From e4e62178cdcbb48343716cdb3b870667c41862a3 Mon Sep 17 00:00:00 2001 From: dhilt Date: Sun, 22 Oct 2017 13:29:44 +0300 Subject: [PATCH 01/14] applyUpdate and buffer first/next refactoring --- src/modules/adapter.js | 21 +++++++++++---------- src/modules/buffer.js | 22 ++++++++++++++++++++-- 2 files changed, 31 insertions(+), 12 deletions(-) diff --git a/src/modules/adapter.js b/src/modules/adapter.js index ed565d23..a3c39655 100644 --- a/src/modules/adapter.js +++ b/src/modules/adapter.js @@ -192,21 +192,22 @@ class Adapter { return; } - let keepIt; - let pos = (this.buffer.indexOf(wrapper)) + 1; + if (!newItems.reverse().some((newItem) => newItem === wrapper.item)) { + wrapper.op = 'remove'; + if(newItems.length) { + wrapper._op = 'replace'; // to catch "first" edge case on remove + } + } - newItems.reverse().forEach((newItem) => { + let position = (this.buffer.indexOf(wrapper)) + 1; + newItems.forEach((newItem) => { if (newItem === wrapper.item) { - keepIt = true; - pos--; + position--; } else { - this.buffer.insert(pos, newItem); + // 3 parametr is to catch "first" edge case on insert + this.buffer.insert(position, newItem, position === 0); } }); - - if (!keepIt) { - wrapper.op = 'remove'; - } } } diff --git a/src/modules/buffer.js b/src/modules/buffer.js index 3a60eacc..1fb6d5c5 100644 --- a/src/modules/buffer.js +++ b/src/modules/buffer.js @@ -38,7 +38,7 @@ export default function ScrollBuffer(elementRoutines, bufferSize) { * for insert the number is the index for the buffer element the new one have to be inserted after * operations: 'append', 'prepend', 'insert', 'remove', 'update', 'none' */ - insert(operation, item) { + insert(operation, item, isTop) { const wrapper = { item: item }; @@ -46,6 +46,12 @@ export default function ScrollBuffer(elementRoutines, bufferSize) { if (operation % 1 === 0) {// it is an insert wrapper.op = 'insert'; buffer.splice(operation, 0, wrapper); + if(isTop) { + buffer.first--; + } + else { + buffer.next++; + } } else { wrapper.op = operation; switch (operation) { @@ -70,7 +76,19 @@ export default function ScrollBuffer(elementRoutines, bufferSize) { return buffer.splice(arg1, arg2 - arg1); } // removes single item(wrapper) from the buffer - buffer.splice(buffer.indexOf(arg1), 1); + let removedIndex = buffer.indexOf(arg1); + buffer.splice(removedIndex, 1); + if(removedIndex === 0 && arg1._op !== 'replace') { + // move buffer.first only when deleting first item without replacing it + buffer.first++; + } + else { + buffer.next--; + } + if(!buffer.length) { + buffer.first = 1; + buffer.next = 1; + } return elementRoutines.removeElementAnimated(arg1); }, From 4965a4b3448141c1fdf69dc3b276917ca67386d1 Mon Sep 17 00:00:00 2001 From: dhilt Date: Sun, 22 Oct 2017 13:30:20 +0300 Subject: [PATCH 02/14] adapter spec refactoring --- test/AdapterTestsSpec.js | 63 ++++++++++++++++++++-------------------- 1 file changed, 32 insertions(+), 31 deletions(-) diff --git a/test/AdapterTestsSpec.js b/test/AdapterTestsSpec.js index cf3c7734..ec3e1392 100644 --- a/test/AdapterTestsSpec.js +++ b/test/AdapterTestsSpec.js @@ -173,15 +173,15 @@ describe('uiScroll', function () { var row2 = viewport.children()[1]; expect(row2.tagName.toLowerCase()).toBe('div'); - expect(row2.innerHTML).toBe('1: two'); + expect(row2.innerHTML).toBe('2: two'); var row3 = viewport.children()[2]; expect(row3.tagName.toLowerCase()).toBe('div'); - expect(row3.innerHTML).toBe('2: three'); + expect(row3.innerHTML).toBe('3: three'); expect(scope.adapter).toBeTruthy(); - expect(scope.adapter.topVisibleElement[0].innerHTML).toBe('1: two'); - expect(scope.adapter.bottomVisibleElement[0].innerHTML).toBe('2: three'); + expect(scope.adapter.topVisibleElement[0].innerHTML).toBe('2: two'); + expect(scope.adapter.bottomVisibleElement[0].innerHTML).toBe('3: three'); } ); }); @@ -257,35 +257,36 @@ describe('uiScroll', function () { var row0 = viewport.children()[1]; expect(row0.tagName.toLowerCase()).toBe('div'); - expect(row0.innerHTML).toBe('1: before one'); + expect(row0.innerHTML).toBe('0: before one'); var row1 = viewport.children()[2]; expect(row1.tagName.toLowerCase()).toBe('div'); - expect(row1.innerHTML).toBe('2: one'); + expect(row1.innerHTML).toBe('1: one'); var row2 = viewport.children()[3]; expect(row2.tagName.toLowerCase()).toBe('div'); - expect(row2.innerHTML).toBe('3: two'); + expect(row2.innerHTML).toBe('2: two'); var row3 = viewport.children()[4]; expect(row3.tagName.toLowerCase()).toBe('div'); - expect(row3.innerHTML).toBe('4: three'); + expect(row3.innerHTML).toBe('3: three'); expect(scope.adapter).toBeTruthy(); - expect(scope.adapter.topVisibleElement[0].innerHTML).toBe('1: before one'); - expect(scope.adapter.bottomVisibleElement[0].innerHTML).toBe('4: three'); + expect(scope.adapter.topVisibleElement[0].innerHTML).toBe('0: before one'); + expect(scope.adapter.bottomVisibleElement[0].innerHTML).toBe('3: three'); } ); }); it('should insert a new element after selected (first) row', function () { + var scrollSettings = {datasource: 'myObjectDatasource', adapter: 'adapter', template: '{{$index}}: {{item.text}}'}; runTest(scrollSettings, function (viewport, scope) { scope.adapter.applyUpdates( function (item) { - if (item === 'one') - return [item, 'after one']; + if (item.text === 'one') + return [item, {text: 'after one'}]; } ); @@ -535,15 +536,15 @@ describe('uiScroll', function () { var row2 = viewport.children()[1]; expect(row2.tagName.toLowerCase()).toBe('div'); - expect(row2.innerHTML).toBe('1: two'); + expect(row2.innerHTML).toBe('2: two'); var row3 = viewport.children()[2]; expect(row3.tagName.toLowerCase()).toBe('div'); - expect(row3.innerHTML).toBe('2: three'); + expect(row3.innerHTML).toBe('3: three'); expect(scope.adapter).toBeTruthy(); - expect(scope.adapter.topVisibleElement[0].innerHTML).toBe('1: two'); - expect(scope.adapter.bottomVisibleElement[0].innerHTML).toBe('2: three'); + expect(scope.adapter.topVisibleElement[0].innerHTML).toBe('2: two'); + expect(scope.adapter.bottomVisibleElement[0].innerHTML).toBe('3: three'); } ); }); @@ -604,23 +605,23 @@ describe('uiScroll', function () { var row0 = viewport.children()[1]; expect(row0.tagName.toLowerCase()).toBe('div'); - expect(row0.innerHTML).toBe('1: before one'); + expect(row0.innerHTML).toBe('0: before one'); var row1 = viewport.children()[2]; expect(row1.tagName.toLowerCase()).toBe('div'); - expect(row1.innerHTML).toBe('2: one'); + expect(row1.innerHTML).toBe('1: one'); var row2 = viewport.children()[3]; expect(row2.tagName.toLowerCase()).toBe('div'); - expect(row2.innerHTML).toBe('3: two'); + expect(row2.innerHTML).toBe('2: two'); var row3 = viewport.children()[4]; expect(row3.tagName.toLowerCase()).toBe('div'); - expect(row3.innerHTML).toBe('4: three'); + expect(row3.innerHTML).toBe('3: three'); expect(scope.adapter).toBeTruthy(); - expect(scope.adapter.topVisibleElement[0].innerHTML).toBe('1: before one'); - expect(scope.adapter.bottomVisibleElement[0].innerHTML).toBe('4: three'); + expect(scope.adapter.topVisibleElement[0].innerHTML).toBe('0: before one'); + expect(scope.adapter.bottomVisibleElement[0].innerHTML).toBe('3: three'); } ); }); @@ -816,35 +817,35 @@ describe('uiScroll', function () { row1 = viewport.children()[1]; expect(row1.tagName.toLowerCase()).toBe('div'); - expect(row1.innerHTML).toBe('1: one *1 before 1'); + expect(row1.innerHTML).toBe('-1: one *1 before 1'); row1 = viewport.children()[2]; expect(row1.tagName.toLowerCase()).toBe('div'); - expect(row1.innerHTML).toBe('2: one *1 before 2'); + expect(row1.innerHTML).toBe('0: one *1 before 2'); row1 = viewport.children()[3]; expect(row1.tagName.toLowerCase()).toBe('div'); - expect(row1.innerHTML).toBe('3: one *1'); + expect(row1.innerHTML).toBe('1: one *1'); row1 = viewport.children()[4]; expect(row1.tagName.toLowerCase()).toBe('div'); - expect(row1.innerHTML).toBe('4: one *1 after 1'); + expect(row1.innerHTML).toBe('2: one *1 after 1'); row1 = viewport.children()[5]; expect(row1.tagName.toLowerCase()).toBe('div'); - expect(row1.innerHTML).toBe('5: one *1 after 2'); + expect(row1.innerHTML).toBe('3: one *1 after 2'); row2 = viewport.children()[6]; expect(row2.tagName.toLowerCase()).toBe('div'); - expect(row2.innerHTML).toBe('6: two'); + expect(row2.innerHTML).toBe('4: two'); row3 = viewport.children()[7]; expect(row3.tagName.toLowerCase()).toBe('div'); - expect(row3.innerHTML).toBe('7: three'); + expect(row3.innerHTML).toBe('5: three'); expect(scope.adapter).toBeTruthy(); - expect(scope.adapter.topVisibleElement[0].innerHTML).toBe('1: one *1 before 1'); - expect(scope.adapter.bottomVisibleElement[0].innerHTML).toBe('7: three'); + expect(scope.adapter.topVisibleElement[0].innerHTML).toBe('-1: one *1 before 1'); + expect(scope.adapter.bottomVisibleElement[0].innerHTML).toBe('5: three'); } ); }); From 151fb92e6b89b86cd49f327fb2cb05548c1c60fd Mon Sep 17 00:00:00 2001 From: dhilt Date: Sun, 22 Oct 2017 13:35:38 +0300 Subject: [PATCH 03/14] adapter sync demo refactoring --- demo/adapterSync/adapterSync.html | 35 ++++++++++--------- demo/adapterSync/adapterSync.js | 58 +++++++++++++++++++++++-------- 2 files changed, 62 insertions(+), 31 deletions(-) diff --git a/demo/adapterSync/adapterSync.html b/demo/adapterSync/adapterSync.html index f844fe1b..4457922b 100644 --- a/demo/adapterSync/adapterSync.html +++ b/demo/adapterSync/adapterSync.html @@ -3,7 +3,7 @@ Adapter sync - + @@ -16,9 +16,12 @@ .remove:hover { color: #a00; } + .viewport2 .uid { + font-size: x-small; + } - +
@@ -58,22 +61,22 @@

Adapter: append, prepend and remove

-
- - - -
+
+ + + +
-
+
-
    -
  • -
    - {{item.content}} ({{item.id}}) - [x] -
    -
    • -
+
    +
  • +
    + {{$index}}: {{item.content}} ({{item.id}}) + [x] +
    +
    • +
diff --git a/demo/adapterSync/adapterSync.js b/demo/adapterSync/adapterSync.js index a7c363a5..f991272e 100644 --- a/demo/adapterSync/adapterSync.js +++ b/demo/adapterSync/adapterSync.js @@ -13,6 +13,8 @@ app.factory('Server', [ data: [], + absIndex: 1, + generateId: function () { var d = '-'; function S4() { @@ -21,11 +23,11 @@ app.factory('Server', [ return (S4() + S4() + d + S4() + d + S4() + d + S4() + d + S4() + S4() + S4()); }, - generateItem: function (number) { + generateItem: function (index) { return { - index: number, + index: index, id: this.generateId(), - content: 'Item #' + number + content: 'Item #' + this.absIndex++ } }, @@ -91,10 +93,29 @@ app.factory('Server', [ for (var j = i; j < length - 1; j++) { this.data[j].index--; } + this.setIndicies(); return this.returnDeferredResult(true); } } return this.returnDeferredResult(false); + }, + + setIndicies: function() { + if(!this.data.length) { + this.firstIndex = 1; + this.lastIndex = 1; + return; + } + this.firstIndex = this.data[0].index; + this.lastIndex = this.data[0].index; + for (var i = this.data.length - 1; i >= 0; i--) { + if(this.data[i].index > this.lastIndex) { + this.lastIndex = this.data[i].index; + } + if(this.data[i].index < this.firstIndex) { + this.firstIndex = this.data[i].index; + } + } } }; @@ -109,7 +130,9 @@ app.factory('Server', [ app.controller('mainController', [ '$scope', 'Server', function ($scope, Server) { - $scope.datasource = { + var ctrl = this; + + ctrl.datasource = { get: function (index, count, success) { console.log('request by index = ' + index + ', count = ' + count); Server.request(index, count).then(function (result) { @@ -121,34 +144,39 @@ app.controller('mainController', [ } }; - $scope.prepend = function () { + $scope.$watch('adapter', (prev, next) => { + console.log('The adapter has been initialized'); + }); + + ctrl.prepend = function () { Server.prependItem(' ***').then(function (newItem) { - if ($scope.adapter.isBOF()) { - $scope.adapter.prepend([newItem]); + if (ctrl.adapter.isBOF()) { + ctrl.adapter.prepend([newItem]); } }); }; - $scope.append = function () { + ctrl.append = function () { Server.appendItem(' ***').then(function (newItem) { - if ($scope.adapter.isEOF()) { - $scope.adapter.append([newItem]); + if (ctrl.adapter.isEOF()) { + ctrl.adapter.append([newItem]); } }); }; - /*$scope.removeAll = function () { - $scope.adapter.applyUpdates(function (item) { + ctrl.removeAll = function () { + ctrl.adapter.applyUpdates(function (item) { if (item.id) { + Server.removeItemById(item.id); return []; } }); - };*/ + }; - $scope.remove = function (itemRemove) { + ctrl.remove = function (itemRemove) { Server.removeItemById(itemRemove.id).then(function (result) { if (result) { - $scope.adapter.applyUpdates(function (item) { + ctrl.adapter.applyUpdates(function (item) { if (item.id === itemRemove.id) { return []; } From 806624175149ea736408df5aed7a21ae1a60c0dd Mon Sep 17 00:00:00 2001 From: dhilt Date: Mon, 23 Oct 2017 16:49:23 +0300 Subject: [PATCH 04/14] buffer.first adjustment refactoring --- src/modules/adapter.js | 10 +++++----- src/modules/buffer.js | 6 ++---- 2 files changed, 7 insertions(+), 9 deletions(-) diff --git a/src/modules/adapter.js b/src/modules/adapter.js index a3c39655..68a83c3e 100644 --- a/src/modules/adapter.js +++ b/src/modules/adapter.js @@ -192,20 +192,20 @@ class Adapter { return; } + let position = (this.buffer.indexOf(wrapper)); if (!newItems.reverse().some((newItem) => newItem === wrapper.item)) { wrapper.op = 'remove'; - if(newItems.length) { - wrapper._op = 'replace'; // to catch "first" edge case on remove + if(position === 0 && !newItems.length) { + wrapper._op = 'isTop'; // to catch "first" edge case on remove } } - let position = (this.buffer.indexOf(wrapper)) + 1; newItems.forEach((newItem) => { if (newItem === wrapper.item) { position--; } else { - // 3 parametr is to catch "first" edge case on insert - this.buffer.insert(position, newItem, position === 0); + // 3 parameter (isTop) is to catch "first" edge case on insert + this.buffer.insert(position + 1, newItem, position === -1); } }); } diff --git a/src/modules/buffer.js b/src/modules/buffer.js index 1fb6d5c5..83ca10ec 100644 --- a/src/modules/buffer.js +++ b/src/modules/buffer.js @@ -76,10 +76,8 @@ export default function ScrollBuffer(elementRoutines, bufferSize) { return buffer.splice(arg1, arg2 - arg1); } // removes single item(wrapper) from the buffer - let removedIndex = buffer.indexOf(arg1); - buffer.splice(removedIndex, 1); - if(removedIndex === 0 && arg1._op !== 'replace') { - // move buffer.first only when deleting first item without replacing it + buffer.splice(buffer.indexOf(arg1), 1); + if(arg1._op === 'isTop') { buffer.first++; } else { From 385cd57819780f52e33e22d8af182084154d7e97 Mon Sep 17 00:00:00 2001 From: dhilt Date: Mon, 23 Oct 2017 20:13:10 +0300 Subject: [PATCH 05/14] padding cache "first" edge case fix --- src/modules/padding.js | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/src/modules/padding.js b/src/modules/padding.js index 761e4ee6..2d9166b6 100644 --- a/src/modules/padding.js +++ b/src/modules/padding.js @@ -16,16 +16,18 @@ function Cache() { cache.sort((a, b) => ((a.index < b.index) ? -1 : ((a.index > b.index) ? 1 : 0))); }, - remove(item) { + remove(itemToRemove) { for (let i = cache.length - 1; i >= 0; i--) { - if (cache[i].index === item.scope.$index) { + if (cache[i].index === itemToRemove.scope.$index) { cache.splice(i, 1); break; } } - for (let i = cache.length - 1; i >= 0; i--) { - if (cache[i].index > item.scope.$index) { - cache[i].index--; + if(itemToRemove._op !== 'isTop') { + for (let i = cache.length - 1; i >= 0; i--) { + if (cache[i].index > itemToRemove.scope.$index) { + cache[i].index--; + } } } }, From a1efdfb926a494f0d521f9d6945da76290462135 Mon Sep 17 00:00:00 2001 From: dhilt Date: Tue, 24 Oct 2017 01:56:08 +0300 Subject: [PATCH 06/14] Padding cache Array prototype refactoring --- src/modules/padding.js | 65 +++++++++++++++++++++--------------------- 1 file changed, 32 insertions(+), 33 deletions(-) diff --git a/src/modules/padding.js b/src/modules/padding.js index 2d9166b6..5993f8fe 100644 --- a/src/modules/padding.js +++ b/src/modules/padding.js @@ -1,45 +1,44 @@ -function Cache() { - const cache = Object.create(Array.prototype); - - angular.extend(cache, { - add(item) { - for (let i = cache.length - 1; i >= 0; i--) { - if (cache[i].index === item.scope.$index) { - cache[i].height = item.element.outerHeight(); - return; - } +const CacheFactory = { + add(item) { + for (let i = this.length - 1; i >= 0; i--) { + if (this[i].index === item.scope.$index) { + this[i].height = item.element.outerHeight(); + return; } - cache.push({ - index: item.scope.$index, - height: item.element.outerHeight() - }); - cache.sort((a, b) => ((a.index < b.index) ? -1 : ((a.index > b.index) ? 1 : 0))); - }, + } + this.push({ + index: item.scope.$index, + height: item.element.outerHeight() + }); + this.sort((a, b) => ((a.index < b.index) ? -1 : ((a.index > b.index) ? 1 : 0))); + }, - remove(itemToRemove) { - for (let i = cache.length - 1; i >= 0; i--) { - if (cache[i].index === itemToRemove.scope.$index) { - cache.splice(i, 1); - break; - } + remove(itemToRemove) { + for (let i = this.length - 1; i >= 0; i--) { + if (this[i].index === itemToRemove.scope.$index) { + this.splice(i, 1); + break; } - if(itemToRemove._op !== 'isTop') { - for (let i = cache.length - 1; i >= 0; i--) { - if (cache[i].index > itemToRemove.scope.$index) { - cache[i].index--; - } + } + if(itemToRemove._op !== 'isTop') { + for (let i = this.length - 1; i >= 0; i--) { + if (this[i].index > itemToRemove.scope.$index) { + this[i].index--; } } - }, - - clear() { - cache.length = 0; } - }); + }, + + clear() { + this.length = 0; + } +}; - return cache; +function Cache() { + return Object.assign(Object.create(Array.prototype), CacheFactory); } + export default function Padding(template) { let result; From 1381debe2166d02079b67e673039488fc6cf5be7 Mon Sep 17 00:00:00 2001 From: NA Date: Tue, 24 Oct 2017 05:29:31 +0300 Subject: [PATCH 07/14] Padding Cache ES6 class refactoring --- src/modules/padding.js | 18 +++++++++++++----- 1 file changed, 13 insertions(+), 5 deletions(-) diff --git a/src/modules/padding.js b/src/modules/padding.js index 5993f8fe..30584b0d 100644 --- a/src/modules/padding.js +++ b/src/modules/padding.js @@ -1,4 +1,6 @@ -const CacheFactory = { +// Can't just extend the Array, due to Babel does not support built-in classes extending +// This solution was taken from https://stackoverflow.com/questions/46897414/es6-class-extends-array-workaround-for-es5-babel-transpile +class CacheProto { add(item) { for (let i = this.length - 1; i >= 0; i--) { if (this[i].index === item.scope.$index) { @@ -11,7 +13,7 @@ const CacheFactory = { height: item.element.outerHeight() }); this.sort((a, b) => ((a.index < b.index) ? -1 : ((a.index > b.index) ? 1 : 0))); - }, + } remove(itemToRemove) { for (let i = this.length - 1; i >= 0; i--) { @@ -27,7 +29,7 @@ const CacheFactory = { } } } - }, + } clear() { this.length = 0; @@ -35,9 +37,15 @@ const CacheFactory = { }; function Cache() { - return Object.assign(Object.create(Array.prototype), CacheFactory); + const instance = []; + instance.push.apply(instance, arguments); + Object.setPrototypeOf(instance, Cache.prototype); + return instance; } - +Cache.prototype = Object.create(Array.prototype); +Object.getOwnPropertyNames(CacheProto.prototype).forEach(methodName => + Cache.prototype[methodName] = CacheProto.prototype[methodName] +); export default function Padding(template) { let result; From bf8dbd92f7e44079761be57981cc470aca7a0961 Mon Sep 17 00:00:00 2001 From: NA Date: Tue, 24 Oct 2017 06:00:56 +0300 Subject: [PATCH 08/14] Adapter sync demo updates --- demo/adapterSync/adapterSync.html | 98 +++++++++++++++---------------- demo/adapterSync/adapterSync.js | 10 +--- 2 files changed, 52 insertions(+), 56 deletions(-) diff --git a/demo/adapterSync/adapterSync.html b/demo/adapterSync/adapterSync.html index 4457922b..11cfdaae 100644 --- a/demo/adapterSync/adapterSync.html +++ b/demo/adapterSync/adapterSync.html @@ -1,65 +1,65 @@ - - Adapter sync - - - - - +
- browse other examples + browse other examples -

Adapter: append, prepend and remove sync

+

Adapter: append, prepend and remove sync

-
-

- In this demo we are playing with adding/removing items via adapter append, prepend and applyUpdates methods. - All changes have to be synced and stored on the back end. - For this purpose a special Server factory was introduced to emulate the remote. - Some public methods are implemented by this Server factory:
-

    -
  • - appendItem(params) to add one new item (based on params) to the end of the remote data set, -
    • -
  • - prependItem(params) to add one new item (based on params) in the beginning of the remote data - set, -
    • -
  • - removeItemById(id) remove one item (based on id) form the remote data set, - set, -
    • -
  • - request(index, count) just to fetch a bunch of items for the viewport. -
    • -
- The initial data set consists of 90 items and can be extended unlimitedly. -

-

Follow the sources of the demo! The implementation of the Server factory is not so trivial, it is based on - indexes variations. Also you may see that new items would not be appended (adapter.append()) to the - viewport immediately if the EOF (end of file) is not reached. The same is true for prepend operation - (adapter.prepend()): BOF (begin of file) must be reached, otherwise your new item will be rendered - only after scrolling to the very top... This is important to build proper UI. -

-
+
+

+ In this demo we are playing with adding/removing items via adapter append, prepend and applyUpdates methods. + All changes made on the front end have to be synced and stored on the back end. + For this purpose a special Server factory was introduced to emulate the remote. + The following public methods are implemented by this Server factory:
+

    +
  • + appendItem(params) to add one new item (based on params) to the end of the remote data set, +
    • +
  • + prependItem(params) to add one new item (based on params) to the beginning of the remote data + set, +
    • +
  • + removeItemById(id) remove one item (based on id) form the remote data set, + set, +
    • +
  • + request(index, count) just to fetch a bunch of items for the viewport. +
    • +
+ The initial data set consists of 40 items and can be extended unlimitedly. +

+

Follow the sources of the demo! The implementation of the Server factory is not trivial, it is based on + indexes variations. Also you may see that new items would not be appended (adapter.append()) to the + viewport immediately if the EOF (end of file) is not reached. The same is true for prepend operation + (adapter.prepend()): BOF (begin of file) must be reached, otherwise your new item will be rendered + only after scrolling to the very top... This is important to build proper UI. +

+
diff --git a/demo/adapterSync/adapterSync.js b/demo/adapterSync/adapterSync.js index f991272e..fde529da 100644 --- a/demo/adapterSync/adapterSync.js +++ b/demo/adapterSync/adapterSync.js @@ -70,16 +70,14 @@ app.factory('Server', [ }, prependItem: function (params) { - var prependedDataIndex = this.firstIndex-- - 1; - var newItem = this.generateItem(prependedDataIndex); + var newItem = this.generateItem(--this.firstIndex); newItem.content += params; this.data.unshift(newItem); return this.returnDeferredResult(newItem); }, appendItem: function (params) { - var appendedDataIndex = this.lastIndex++ + 1; - var newItem = this.generateItem(appendedDataIndex); + var newItem = this.generateItem(++this.lastIndex); newItem.content += params; this.data.push(newItem); return this.returnDeferredResult(newItem); @@ -90,9 +88,6 @@ app.factory('Server', [ for (var i = 0; i < length; i++) { if (this.data[i].id === itemId) { this.data.splice(i, 1); - for (var j = i; j < length - 1; j++) { - this.data[j].index--; - } this.setIndicies(); return this.returnDeferredResult(true); } @@ -164,6 +159,7 @@ app.controller('mainController', [ }); }; + // todo dhilt : need to implement it properly ctrl.removeAll = function () { ctrl.adapter.applyUpdates(function (item) { if (item.id) { From 6f870aa3783f862eabb52c33cc19e64387cb7bd0 Mon Sep 17 00:00:00 2001 From: NA Date: Tue, 24 Oct 2017 06:04:42 +0300 Subject: [PATCH 09/14] an interim build --- dist/ui-scroll-grid.js | 2 +- dist/ui-scroll-grid.js.map | 2 +- dist/ui-scroll-grid.min.js | 2 +- dist/ui-scroll-grid.min.js.map | 2 +- src/modules/padding.js | 2 +- 5 files changed, 5 insertions(+), 5 deletions(-) diff --git a/dist/ui-scroll-grid.js b/dist/ui-scroll-grid.js index fb0fc148..02a50abe 100644 --- a/dist/ui-scroll-grid.js +++ b/dist/ui-scroll-grid.js @@ -1,7 +1,7 @@ /*! * angular-ui-scroll (uncompressed) * https://github.com/angular-ui/ui-scroll - * Version: 1.7.0-rc.2 -- 2017-09-29T16:03:15.269Z + * Version: 1.7.0-rc.2 -- 2017-10-24T03:02:10.248Z * License: MIT */ /******/ (function(modules) { // webpackBootstrap diff --git a/dist/ui-scroll-grid.js.map b/dist/ui-scroll-grid.js.map index a0622358..eb2c5205 100644 --- a/dist/ui-scroll-grid.js.map +++ b/dist/ui-scroll-grid.js.map @@ -1 +1 @@ -{"version":3,"sources":["webpack:///webpack/bootstrap 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exports\n \treturn __webpack_require__(__webpack_require__.s = 6);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap 1216a0b888ba30877f8b","angular.module('ui.scroll.grid', [])\r\n .directive('uiScrollTh', ['$log', '$timeout', function(console, $timeout) {\r\n\r\n function GridAdapter(controller) {\r\n\r\n this.getLayout = () => controller.getLayout();\r\n\r\n this.applyLayout = (layout) => controller.applyLayout(layout);\r\n\r\n this.columnFromPoint = (x, y) => controller.columnFromPoint(x, y);\r\n\r\n Object.defineProperty(this, 'columns', { get: () => controller.getColumns() });\r\n }\r\n\r\n function ColumnAdapter(controller, column) {\r\n\r\n this.css = function( /* attr, value */ ) {\r\n var attr = arguments[0];\r\n var value = arguments[1];\r\n if (arguments.length == 1) {\r\n return column.header.css(attr);\r\n }\r\n if (arguments.length == 2) {\r\n column.header.css(attr, value);\r\n controller.forEachRow((row) => row[column.id].css(attr, value));\r\n column.css[attr] = value;\r\n }\r\n };\r\n\r\n this.moveBefore = (index) => controller.moveBefore(column, index);\r\n\r\n this.exchangeWith = (index) => controller.exchangeWith(column, index);\r\n\r\n Object.defineProperty(this, 'columnId', { get: () => column.id });\r\n }\r\n\r\n function ColumnController(controller, columns, header) {\r\n\r\n this.header = header;\r\n this.css = {};\r\n this.mapTo = columns.length;\r\n this.id = columns.length;\r\n\r\n // controller api methods\r\n\r\n this.applyLayout = function(layout) {\r\n this.css = angular.extend({}, layout.css);\r\n this.mapTo = layout.mapTo;\r\n applyCss(this.header, this.css);\r\n };\r\n\r\n this.moveBefore = function(target) {\r\n if (target) {\r\n moveBefore(header, target.header);\r\n controller.forEachRow((row) => moveBefore(row[this.id], row[target.id]));\r\n } else {\r\n moveLast(header);\r\n controller.forEachRow((row) => moveLast(row[this.id]));\r\n }\r\n };\r\n\r\n this.columnFromPoint = function(x, y) {\r\n if (insidePoint(header, x, y)) {\r\n return this;\r\n }\r\n let result = null;\r\n controller.forEachRow((row) =>\r\n result = insidePoint(row[this.id], x, y) ? this : result\r\n );\r\n return result;\r\n };\r\n\r\n this.applyCss = function(target) {\r\n applyCss(target, this.css);\r\n };\r\n\r\n // function definitions\r\n\r\n function insidePoint(element, x, y) {\r\n let offset = element.offset();\r\n if (x < offset.left || offset.left + element.outerWidth(true) < x)\r\n return false;\r\n if (y < offset.top || offset.top + element.outerHeight(true) < y)\r\n return false;\r\n return true;\r\n }\r\n\r\n function moveBefore(element, target) {\r\n element.detach();\r\n target.before(element);\r\n }\r\n\r\n function moveLast(element) {\r\n let parent = element.parent();\r\n element.detach();\r\n parent.append(element);\r\n }\r\n\r\n function applyCss(target, css) {\r\n target.removeAttr('style');\r\n for (let attr in css) {\r\n if (css.hasOwnProperty(attr)) {\r\n target.css(attr, css[attr]);\r\n }\r\n }\r\n }\r\n\r\n }\r\n\r\n function GridController(scrollViewport) {\r\n let columns = [];\r\n let rowMap = new Map();\r\n\r\n $timeout(() => {\r\n scrollViewport.adapter.publicContext.gridAdapter = new GridAdapter(this);\r\n scrollViewport.adapter.transform = (scope, item) => transform(rowMap.get(scope), item);\r\n });\r\n\r\n this.registerColumn = function(header) {\r\n columns.push(new ColumnController(this, columns, header));\r\n };\r\n\r\n this.registerCell = function(scope, cell) {\r\n let row = rowMap.get(scope);\r\n if (!row) {\r\n row = [];\r\n rowMap.set(scope, row);\r\n }\r\n if (row.length >= columns.length) {\r\n return false;\r\n }\r\n row.push(cell);\r\n return true;\r\n };\r\n\r\n this.unregisterCell = function(scope, cell) {\r\n let row = rowMap.get(scope);\r\n let i = row.indexOf(cell);\r\n row.splice(i, 1);\r\n if (!row.length) {\r\n rowMap.delete(scope);\r\n }\r\n };\r\n\r\n this.forEachRow = function(callback) {\r\n rowMap.forEach(callback);\r\n };\r\n\r\n this.getColumns = function() {\r\n let result = [];\r\n columns.slice()\r\n .sort((a, b) => a.mapTo - b.mapTo)\r\n .forEach((column) => result.push(new ColumnAdapter(this, column)));\r\n return result;\r\n };\r\n\r\n this.getLayout = function() {\r\n let result = [];\r\n columns.forEach((column, index) => result.push({\r\n index: index,\r\n css: angular.extend({}, column.css),\r\n mapTo: column.mapTo\r\n }));\r\n return result;\r\n };\r\n\r\n this.applyLayout = function(layouts) {\r\n if (!layouts || layouts.length != columns.length) {\r\n throw new Error('Failed to apply layout - number of layouts should match number of columns');\r\n }\r\n layouts.forEach((layout, index) => columns[index].applyLayout(layout));\r\n transform(columns.map((column) => column.header));\r\n rowMap.forEach((row) => transform(row));\r\n };\r\n\r\n this.moveBefore = function(selected, target) {\r\n let index = target;\r\n\r\n if (target % 1 !== 0) {\r\n index = target ? columns[target.columnId].mapTo : columns.length;\r\n }\r\n if (index < 0 || index > columns.length) {\r\n return; // throw an error?\r\n }\r\n\r\n let mapTo = selected.mapTo,\r\n next = null;\r\n index -= mapTo < index ? 1 : 0;\r\n\r\n columns.forEach(c => {\r\n c.mapTo -= c.mapTo > mapTo ? 1 : 0;\r\n c.mapTo += c.mapTo >= index ? 1 : 0;\r\n next = c.mapTo === index + 1 ? c : next;\r\n });\r\n\r\n selected.mapTo = index;\r\n selected.moveBefore(next);\r\n };\r\n\r\n this.exchangeWith = function(selected, index) {\r\n if (index < 0 || index >= columns.length) {\r\n return;\r\n }\r\n columns.find(c => c.mapTo === index).mapTo = selected.mapTo;\r\n selected.mapTo = index;\r\n };\r\n\r\n this.columnFromPoint = function(x, y) {\r\n let column = columns.find(col => col.columnFromPoint(x, y));\r\n return column ? new ColumnAdapter(this, column) : undefined;\r\n };\r\n\r\n // function definitions\r\n\r\n function transform(row) {\r\n let parent = row[0].parent();\r\n let visible = [];\r\n\r\n row.forEach((cell, index) => {\r\n columns[index].applyCss(cell);\r\n visible[columns[index].mapTo] = row[index];\r\n row[index].detach();\r\n });\r\n\r\n visible.forEach(cell => parent.append(cell));\r\n }\r\n\r\n }\r\n\r\n return {\r\n require: ['^^uiScrollViewport'],\r\n restrict: 'A',\r\n link: ($scope, element, $attr, controllers) => {\r\n controllers[0].gridController = controllers[0].gridController || new GridController(controllers[0]);\r\n controllers[0].gridController.registerColumn(element);\r\n }\r\n };\r\n }])\r\n\r\n.directive('uiScrollTd', function() {\r\n return {\r\n require: ['?^^uiScrollViewport'],\r\n restrict: 'A',\r\n link: ($scope, element, $attr, controllers) => {\r\n if (!controllers[0]) {\r\n return;\r\n }\r\n let scope = $scope;\r\n let tdInitializer = $scope.uiScrollTdInitializer;\r\n if (!tdInitializer) {\r\n tdInitializer = $scope.uiScrollTdInitializer = {\r\n linking: true\r\n };\r\n }\r\n if (!tdInitializer.linking) {\r\n scope = tdInitializer.scope;\r\n }\r\n let gridController = controllers[0].gridController;\r\n if (gridController.registerCell(scope, element)) {\r\n $scope.$on('$destroy', () => gridController.unregisterCell(scope, element));\r\n }\r\n if (!tdInitializer.linking) {\r\n tdInitializer.onLink();\r\n }\r\n }\r\n };\r\n});\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/ui-scroll-grid.js"],"sourceRoot":""} \ No newline at end of file diff --git a/dist/ui-scroll-grid.min.js b/dist/ui-scroll-grid.min.js index 425e99ec..3d3c3e9b 100644 --- a/dist/ui-scroll-grid.min.js +++ b/dist/ui-scroll-grid.min.js @@ -1,7 +1,7 @@ /*! * angular-ui-scroll (compressed) * https://github.com/angular-ui/ui-scroll - * Version: 1.7.0-rc.2 -- 2017-09-29T16:03:15.814Z + * Version: 1.7.0-rc.2 -- 2017-10-24T03:02:10.297Z * License: MIT */ !function(t){function n(e){if(r[e])return r[e].exports;var o=r[e]={i:e,l:!1,exports:{}};return t[e].call(o.exports,o,o.exports,n),o.l=!0,o.exports}var r={};n.m=t,n.c=r,n.i=function(t){return 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compatibility with non-harmony modules\n/******/ \t__webpack_require__.n = function(module) {\n/******/ \t\tvar getter = module && module.__esModule ?\n/******/ \t\t\tfunction getDefault() { return module['default']; } :\n/******/ \t\t\tfunction getModuleExports() { return module; };\n/******/ \t\t__webpack_require__.d(getter, 'a', getter);\n/******/ \t\treturn getter;\n/******/ \t};\n/******/\n/******/ \t// Object.prototype.hasOwnProperty.call\n/******/ \t__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n/******/\n/******/ \t// __webpack_public_path__\n/******/ \t__webpack_require__.p = \"\";\n/******/\n/******/ \t// Load entry module and return exports\n/******/ \treturn __webpack_require__(__webpack_require__.s = 6);\n/******/ })\n/************************************************************************/\n/******/ ({\n\n/***/ 6:\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nangular.module('ui.scroll.grid', []).directive('uiScrollTh', ['$log', '$timeout', function (console, $timeout) {\n\n function GridAdapter(controller) {\n\n this.getLayout = function () {\n return controller.getLayout();\n };\n\n this.applyLayout = function (layout) {\n return controller.applyLayout(layout);\n };\n\n this.columnFromPoint = function (x, y) {\n return controller.columnFromPoint(x, y);\n };\n\n Object.defineProperty(this, 'columns', { get: function get() {\n return controller.getColumns();\n } });\n }\n\n function ColumnAdapter(controller, column) {\n\n this.css = function () /* attr, value */{\n var attr = arguments[0];\n var value = arguments[1];\n if (arguments.length == 1) {\n return column.header.css(attr);\n }\n if (arguments.length == 2) {\n column.header.css(attr, value);\n controller.forEachRow(function (row) {\n return row[column.id].css(attr, value);\n });\n column.css[attr] = value;\n }\n };\n\n this.moveBefore = function (index) {\n return controller.moveBefore(column, index);\n };\n\n this.exchangeWith = function (index) {\n return controller.exchangeWith(column, index);\n };\n\n Object.defineProperty(this, 'columnId', { get: function get() {\n return column.id;\n } });\n }\n\n function ColumnController(controller, columns, header) {\n\n this.header = header;\n this.css = {};\n this.mapTo = columns.length;\n this.id = columns.length;\n\n // controller api methods\n\n this.applyLayout = function (layout) {\n this.css = angular.extend({}, layout.css);\n this.mapTo = layout.mapTo;\n applyCss(this.header, this.css);\n };\n\n this.moveBefore = function (target) {\n var _this = this;\n\n if (target) {\n moveBefore(header, target.header);\n controller.forEachRow(function (row) {\n return moveBefore(row[_this.id], row[target.id]);\n });\n } else {\n moveLast(header);\n controller.forEachRow(function (row) {\n return moveLast(row[_this.id]);\n });\n }\n };\n\n this.columnFromPoint = function (x, y) {\n var _this2 = this;\n\n if (insidePoint(header, x, y)) {\n return this;\n }\n var result = null;\n controller.forEachRow(function (row) {\n return result = insidePoint(row[_this2.id], x, y) ? _this2 : result;\n });\n return result;\n };\n\n this.applyCss = function (target) {\n applyCss(target, this.css);\n };\n\n // function definitions\n\n function insidePoint(element, x, y) {\n var offset = element.offset();\n if (x < offset.left || offset.left + element.outerWidth(true) < x) return false;\n if (y < offset.top || offset.top + element.outerHeight(true) < y) return false;\n return true;\n }\n\n function moveBefore(element, target) {\n element.detach();\n target.before(element);\n }\n\n function moveLast(element) {\n var parent = element.parent();\n element.detach();\n parent.append(element);\n }\n\n function applyCss(target, css) {\n target.removeAttr('style');\n for (var attr in css) {\n if (css.hasOwnProperty(attr)) {\n target.css(attr, css[attr]);\n }\n }\n }\n }\n\n function GridController(scrollViewport) {\n var _this3 = this;\n\n var columns = [];\n var rowMap = new Map();\n\n $timeout(function () {\n scrollViewport.adapter.publicContext.gridAdapter = new GridAdapter(_this3);\n scrollViewport.adapter.transform = function (scope, item) {\n return transform(rowMap.get(scope), item);\n };\n });\n\n this.registerColumn = function (header) {\n columns.push(new ColumnController(this, columns, header));\n };\n\n this.registerCell = function (scope, cell) {\n var row = rowMap.get(scope);\n if (!row) {\n row = [];\n rowMap.set(scope, row);\n }\n if (row.length >= columns.length) {\n return false;\n }\n row.push(cell);\n return true;\n };\n\n this.unregisterCell = function (scope, cell) {\n var row = rowMap.get(scope);\n var i = row.indexOf(cell);\n row.splice(i, 1);\n if (!row.length) {\n rowMap.delete(scope);\n }\n };\n\n this.forEachRow = function (callback) {\n rowMap.forEach(callback);\n };\n\n this.getColumns = function () {\n var _this4 = this;\n\n var result = [];\n columns.slice().sort(function (a, b) {\n return a.mapTo - b.mapTo;\n }).forEach(function (column) {\n return result.push(new ColumnAdapter(_this4, column));\n });\n return result;\n };\n\n this.getLayout = function () {\n var result = [];\n columns.forEach(function (column, index) {\n return result.push({\n index: index,\n css: angular.extend({}, column.css),\n mapTo: column.mapTo\n });\n });\n return result;\n };\n\n this.applyLayout = function (layouts) {\n if (!layouts || layouts.length != columns.length) {\n throw new Error('Failed to apply layout - number of layouts should match number of columns');\n }\n layouts.forEach(function (layout, index) {\n return columns[index].applyLayout(layout);\n });\n transform(columns.map(function (column) {\n return column.header;\n }));\n rowMap.forEach(function (row) {\n return transform(row);\n });\n };\n\n this.moveBefore = function (selected, target) {\n var index = target;\n\n if (target % 1 !== 0) {\n index = target ? columns[target.columnId].mapTo : columns.length;\n }\n if (index < 0 || index > columns.length) {\n return; // throw an error?\n }\n\n var mapTo = selected.mapTo,\n next = null;\n index -= mapTo < index ? 1 : 0;\n\n columns.forEach(function (c) {\n c.mapTo -= c.mapTo > mapTo ? 1 : 0;\n c.mapTo += c.mapTo >= index ? 1 : 0;\n next = c.mapTo === index + 1 ? c : next;\n });\n\n selected.mapTo = index;\n selected.moveBefore(next);\n };\n\n this.exchangeWith = function (selected, index) {\n if (index < 0 || index >= columns.length) {\n return;\n }\n columns.find(function (c) {\n return c.mapTo === index;\n }).mapTo = selected.mapTo;\n selected.mapTo = index;\n };\n\n this.columnFromPoint = function (x, y) {\n var column = columns.find(function (col) {\n return col.columnFromPoint(x, y);\n });\n return column ? new ColumnAdapter(this, column) : undefined;\n };\n\n // function definitions\n\n function transform(row) {\n var parent = row[0].parent();\n var visible = [];\n\n row.forEach(function (cell, index) {\n columns[index].applyCss(cell);\n visible[columns[index].mapTo] = row[index];\n row[index].detach();\n });\n\n visible.forEach(function (cell) {\n return parent.append(cell);\n });\n }\n }\n\n return {\n require: ['^^uiScrollViewport'],\n restrict: 'A',\n link: function link($scope, element, $attr, controllers) {\n controllers[0].gridController = controllers[0].gridController || new GridController(controllers[0]);\n controllers[0].gridController.registerColumn(element);\n }\n };\n}]).directive('uiScrollTd', function () {\n return {\n require: ['?^^uiScrollViewport'],\n restrict: 'A',\n link: function link($scope, element, $attr, controllers) {\n if (!controllers[0]) {\n return;\n }\n var scope = $scope;\n var tdInitializer = $scope.uiScrollTdInitializer;\n if (!tdInitializer) {\n tdInitializer = $scope.uiScrollTdInitializer = {\n linking: true\n };\n }\n if (!tdInitializer.linking) {\n scope = tdInitializer.scope;\n }\n var gridController = controllers[0].gridController;\n if (gridController.registerCell(scope, element)) {\n $scope.$on('$destroy', function () {\n return gridController.unregisterCell(scope, element);\n });\n }\n if (!tdInitializer.linking) {\n tdInitializer.onLink();\n }\n }\n };\n});\n\n/***/ })\n\n/******/ });\n\n\n// WEBPACK FOOTER //\n// ui-scroll-grid.min.js"," \t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId]) {\n \t\t\treturn installedModules[moduleId].exports;\n \t\t}\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\ti: moduleId,\n \t\t\tl: false,\n \t\t\texports: {}\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.l = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// identity function for calling harmony imports with the correct context\n \t__webpack_require__.i = function(value) { return value; };\n\n \t// define getter function for harmony exports\n \t__webpack_require__.d = function(exports, name, getter) {\n \t\tif(!__webpack_require__.o(exports, name)) {\n \t\t\tObject.defineProperty(exports, name, {\n \t\t\t\tconfigurable: false,\n \t\t\t\tenumerable: true,\n \t\t\t\tget: getter\n \t\t\t});\n \t\t}\n \t};\n\n \t// getDefaultExport function for compatibility with non-harmony modules\n \t__webpack_require__.n = function(module) {\n \t\tvar getter = module && module.__esModule ?\n \t\t\tfunction getDefault() { return module['default']; } :\n \t\t\tfunction getModuleExports() { return module; };\n \t\t__webpack_require__.d(getter, 'a', getter);\n \t\treturn getter;\n \t};\n\n \t// Object.prototype.hasOwnProperty.call\n \t__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"\";\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(__webpack_require__.s = 6);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap b0424d7cd22095912625","angular.module('ui.scroll.grid', [])\r\n .directive('uiScrollTh', ['$log', '$timeout', function(console, $timeout) {\r\n\r\n function GridAdapter(controller) {\r\n\r\n this.getLayout = () => controller.getLayout();\r\n\r\n this.applyLayout = (layout) => controller.applyLayout(layout);\r\n\r\n this.columnFromPoint = (x, y) => controller.columnFromPoint(x, y);\r\n\r\n Object.defineProperty(this, 'columns', { get: () => controller.getColumns() });\r\n }\r\n\r\n function ColumnAdapter(controller, column) {\r\n\r\n this.css = function( /* attr, value */ ) {\r\n var attr = arguments[0];\r\n var value = arguments[1];\r\n if (arguments.length == 1) {\r\n return column.header.css(attr);\r\n }\r\n if (arguments.length == 2) {\r\n column.header.css(attr, value);\r\n controller.forEachRow((row) => row[column.id].css(attr, value));\r\n column.css[attr] = value;\r\n }\r\n };\r\n\r\n this.moveBefore = (index) => controller.moveBefore(column, index);\r\n\r\n this.exchangeWith = (index) => controller.exchangeWith(column, index);\r\n\r\n Object.defineProperty(this, 'columnId', { get: () => column.id });\r\n }\r\n\r\n function ColumnController(controller, columns, header) {\r\n\r\n this.header = header;\r\n this.css = {};\r\n this.mapTo = columns.length;\r\n this.id = columns.length;\r\n\r\n // controller api methods\r\n\r\n this.applyLayout = function(layout) {\r\n this.css = angular.extend({}, layout.css);\r\n this.mapTo = layout.mapTo;\r\n applyCss(this.header, this.css);\r\n };\r\n\r\n this.moveBefore = function(target) {\r\n if (target) {\r\n moveBefore(header, target.header);\r\n controller.forEachRow((row) => moveBefore(row[this.id], row[target.id]));\r\n } else {\r\n moveLast(header);\r\n controller.forEachRow((row) => moveLast(row[this.id]));\r\n }\r\n };\r\n\r\n this.columnFromPoint = function(x, y) {\r\n if (insidePoint(header, x, y)) {\r\n return this;\r\n }\r\n let result = null;\r\n controller.forEachRow((row) =>\r\n result = insidePoint(row[this.id], x, y) ? this : result\r\n );\r\n return result;\r\n };\r\n\r\n this.applyCss = function(target) {\r\n applyCss(target, this.css);\r\n };\r\n\r\n // function definitions\r\n\r\n function insidePoint(element, x, y) {\r\n let offset = element.offset();\r\n if (x < offset.left || offset.left + element.outerWidth(true) < x)\r\n return false;\r\n if (y < offset.top || offset.top + element.outerHeight(true) < y)\r\n return false;\r\n return true;\r\n }\r\n\r\n function moveBefore(element, target) {\r\n element.detach();\r\n target.before(element);\r\n }\r\n\r\n function moveLast(element) {\r\n let parent = element.parent();\r\n element.detach();\r\n parent.append(element);\r\n }\r\n\r\n function applyCss(target, css) {\r\n target.removeAttr('style');\r\n for (let attr in css) {\r\n if (css.hasOwnProperty(attr)) {\r\n target.css(attr, css[attr]);\r\n }\r\n }\r\n }\r\n\r\n }\r\n\r\n function GridController(scrollViewport) {\r\n let columns = [];\r\n let rowMap = new Map();\r\n\r\n $timeout(() => {\r\n scrollViewport.adapter.publicContext.gridAdapter = new GridAdapter(this);\r\n scrollViewport.adapter.transform = (scope, item) => transform(rowMap.get(scope), item);\r\n });\r\n\r\n this.registerColumn = function(header) {\r\n columns.push(new ColumnController(this, columns, header));\r\n };\r\n\r\n this.registerCell = function(scope, cell) {\r\n let row = rowMap.get(scope);\r\n if (!row) {\r\n row = [];\r\n rowMap.set(scope, row);\r\n }\r\n if (row.length >= columns.length) {\r\n return false;\r\n }\r\n row.push(cell);\r\n return true;\r\n };\r\n\r\n this.unregisterCell = function(scope, cell) {\r\n let row = rowMap.get(scope);\r\n let i = row.indexOf(cell);\r\n row.splice(i, 1);\r\n if (!row.length) {\r\n rowMap.delete(scope);\r\n }\r\n };\r\n\r\n this.forEachRow = function(callback) {\r\n rowMap.forEach(callback);\r\n };\r\n\r\n this.getColumns = function() {\r\n let result = [];\r\n columns.slice()\r\n .sort((a, b) => a.mapTo - b.mapTo)\r\n .forEach((column) => result.push(new ColumnAdapter(this, column)));\r\n return result;\r\n };\r\n\r\n this.getLayout = function() {\r\n let result = [];\r\n columns.forEach((column, index) => result.push({\r\n index: index,\r\n css: angular.extend({}, column.css),\r\n mapTo: column.mapTo\r\n }));\r\n return result;\r\n };\r\n\r\n this.applyLayout = function(layouts) {\r\n if (!layouts || layouts.length != columns.length) {\r\n throw new Error('Failed to apply layout - number of layouts should match number of columns');\r\n }\r\n layouts.forEach((layout, index) => columns[index].applyLayout(layout));\r\n transform(columns.map((column) => column.header));\r\n rowMap.forEach((row) => transform(row));\r\n };\r\n\r\n this.moveBefore = function(selected, target) {\r\n let index = target;\r\n\r\n if (target % 1 !== 0) {\r\n index = target ? columns[target.columnId].mapTo : columns.length;\r\n }\r\n if (index < 0 || index > columns.length) {\r\n return; // throw an error?\r\n }\r\n\r\n let mapTo = selected.mapTo,\r\n next = null;\r\n index -= mapTo < index ? 1 : 0;\r\n\r\n columns.forEach(c => {\r\n c.mapTo -= c.mapTo > mapTo ? 1 : 0;\r\n c.mapTo += c.mapTo >= index ? 1 : 0;\r\n next = c.mapTo === index + 1 ? c : next;\r\n });\r\n\r\n selected.mapTo = index;\r\n selected.moveBefore(next);\r\n };\r\n\r\n this.exchangeWith = function(selected, index) {\r\n if (index < 0 || index >= columns.length) {\r\n return;\r\n }\r\n columns.find(c => c.mapTo === index).mapTo = selected.mapTo;\r\n selected.mapTo = index;\r\n };\r\n\r\n this.columnFromPoint = function(x, y) {\r\n let column = columns.find(col => col.columnFromPoint(x, y));\r\n return column ? new ColumnAdapter(this, column) : undefined;\r\n };\r\n\r\n // function definitions\r\n\r\n function transform(row) {\r\n let parent = row[0].parent();\r\n let visible = [];\r\n\r\n row.forEach((cell, index) => {\r\n columns[index].applyCss(cell);\r\n visible[columns[index].mapTo] = row[index];\r\n row[index].detach();\r\n });\r\n\r\n visible.forEach(cell => parent.append(cell));\r\n }\r\n\r\n }\r\n\r\n return {\r\n require: ['^^uiScrollViewport'],\r\n restrict: 'A',\r\n link: ($scope, element, $attr, controllers) => {\r\n controllers[0].gridController = controllers[0].gridController || new GridController(controllers[0]);\r\n controllers[0].gridController.registerColumn(element);\r\n }\r\n };\r\n }])\r\n\r\n.directive('uiScrollTd', function() {\r\n return {\r\n require: ['?^^uiScrollViewport'],\r\n restrict: 'A',\r\n link: ($scope, element, $attr, controllers) => {\r\n if (!controllers[0]) {\r\n return;\r\n }\r\n let scope = $scope;\r\n let tdInitializer = $scope.uiScrollTdInitializer;\r\n if (!tdInitializer) {\r\n tdInitializer = $scope.uiScrollTdInitializer = {\r\n linking: true\r\n };\r\n }\r\n if (!tdInitializer.linking) {\r\n scope = tdInitializer.scope;\r\n }\r\n let gridController = controllers[0].gridController;\r\n if (gridController.registerCell(scope, element)) {\r\n $scope.$on('$destroy', () => gridController.unregisterCell(scope, element));\r\n }\r\n if (!tdInitializer.linking) {\r\n tdInitializer.onLink();\r\n }\r\n }\r\n };\r\n});\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/ui-scroll-grid.js"],"sourceRoot":""} \ No newline at end of file diff --git a/src/modules/padding.js b/src/modules/padding.js index 30584b0d..eed921fb 100644 --- a/src/modules/padding.js +++ b/src/modules/padding.js @@ -34,7 +34,7 @@ class CacheProto { clear() { this.length = 0; } -}; +} function Cache() { const instance = []; From 3c29747ddb3d7cfac0e0c8f9e261e2b7a9e24b4e Mon Sep 17 00:00:00 2001 From: NA Date: Wed, 25 Oct 2017 03:04:02 +0300 Subject: [PATCH 10/14] introduce ng-ui-scroll-hide class instead of built-in ng-hide --- src/modules/elementRoutines.js | 20 ++++++++++++++++++++ src/ui-scroll.js | 10 +++++----- 2 files changed, 25 insertions(+), 5 deletions(-) diff --git a/src/modules/elementRoutines.js b/src/modules/elementRoutines.js index d7cee9ba..c89585f8 100644 --- a/src/modules/elementRoutines.js +++ b/src/modules/elementRoutines.js @@ -1,9 +1,29 @@ +const hideClassToken = 'ng-ui-scroll-hide'; + +function addCSSRule(sheet, selector, rules, index) { + if("insertRule" in sheet) { + sheet.insertRule(selector + '{' + rules + '}', index); + } + else if("addRule" in sheet) { + sheet.addRule(selector, rules, index); + } +} + export default class ElementRoutines { constructor($injector, $q) { this.$animate = ($injector.has && $injector.has('$animate')) ? $injector.get('$animate') : null; this.isAngularVersionLessThen1_3 = angular.version.major === 1 && angular.version.minor < 3; this.$q = $q; + addCSSRule(document.styleSheets[0], '.' + hideClassToken, 'display: none'); + } + + hideElement(wrapper) { + wrapper.element.addClass(hideClassToken); + } + + showElement(wrapper) { + wrapper.element.removeClass(hideClassToken); } insertElement(newElement, previousElement) { diff --git a/src/ui-scroll.js b/src/ui-scroll.js index f13d8b8d..f61af2fb 100644 --- a/src/ui-scroll.js +++ b/src/ui-scroll.js @@ -234,7 +234,7 @@ angular.module('ui.scroll', []) if (!isElementVisible(wrapper)) { wrapper.unregisterVisibilityWatcher = wrapper.scope.$watch(() => visibilityWatcher(wrapper)); } - wrapper.element.addClass('ng-hide'); // hide inserted elements before data binding + elementRoutines.hideElement(wrapper); // hide inserted elements before data binding } function createElement(wrapper, insertAfter, insertElement) { @@ -351,8 +351,8 @@ angular.module('ui.scroll', []) // We need the item bindings to be processed before we can do adjustment !$scope.$$phase && $scope.$digest(); - updates.inserted.forEach(w => w.element.removeClass('ng-hide')); - updates.prepended.forEach(w => w.element.removeClass('ng-hide')); + updates.inserted.forEach(w => elementRoutines.showElement(w)); + updates.prepended.forEach(w => elementRoutines.showElement(w)); if (isInvalid(rid)) { return; @@ -372,8 +372,8 @@ angular.module('ui.scroll', []) // We need the item bindings to be processed before we can do adjustment !$scope.$$phase && $scope.$digest(); - updates.inserted.forEach(w => w.element.removeClass('ng-hide')); - updates.prepended.forEach(w => w.element.removeClass('ng-hide')); + updates.inserted.forEach(w => elementRoutines.showElement(w)); + updates.prepended.forEach(w => elementRoutines.showElement(w)); viewport.onAfterPrepend(updates); From a4b745ce8a5b002e9130b810dcfc82e62d012475 Mon Sep 17 00:00:00 2001 From: NA Date: Wed, 25 Oct 2017 03:11:17 +0300 Subject: [PATCH 11/14] extract processUpdates method --- src/ui-scroll.js | 27 +++++++++++++-------------- 1 file changed, 13 insertions(+), 14 deletions(-) diff --git a/src/ui-scroll.js b/src/ui-scroll.js index f61af2fb..96b617b0 100644 --- a/src/ui-scroll.js +++ b/src/ui-scroll.js @@ -340,19 +340,24 @@ angular.module('ui.scroll', []) } } + function processUpdates() { + const updates = updateDOM(); + + // We need the item bindings to be processed before we can do adjustments + !$scope.$$phase && $scope.$digest(); + + updates.inserted.forEach(w => elementRoutines.showElement(w)); + updates.prepended.forEach(w => elementRoutines.showElement(w)); + return updates; + } + function adjustBuffer(rid) { if (!rid) { // dismiss pending requests pending = []; rid = ++ridActual; } - let updates = updateDOM(); - - // We need the item bindings to be processed before we can do adjustment - !$scope.$$phase && $scope.$digest(); - - updates.inserted.forEach(w => elementRoutines.showElement(w)); - updates.prepended.forEach(w => elementRoutines.showElement(w)); + const updates = processUpdates(); if (isInvalid(rid)) { return; @@ -367,13 +372,7 @@ angular.module('ui.scroll', []) } function adjustBufferAfterFetch(rid) { - let updates = updateDOM(); - - // We need the item bindings to be processed before we can do adjustment - !$scope.$$phase && $scope.$digest(); - - updates.inserted.forEach(w => elementRoutines.showElement(w)); - updates.prepended.forEach(w => elementRoutines.showElement(w)); + const updates = processUpdates(); viewport.onAfterPrepend(updates); From 7c8659fcbc63b5b997c62ce8d92f0dfccef66fb1 Mon Sep 17 00:00:00 2001 From: NA Date: Wed, 25 Oct 2017 03:13:54 +0300 Subject: [PATCH 12/14] interim build --- dist/ui-scroll.js | 185 ++++++++++++++++++++++----------- dist/ui-scroll.js.map | 2 +- dist/ui-scroll.min.js | 4 +- dist/ui-scroll.min.js.map | 2 +- src/modules/elementRoutines.js | 4 +- 5 files changed, 129 insertions(+), 68 deletions(-) diff --git a/dist/ui-scroll.js b/dist/ui-scroll.js index dc67ac1d..68412449 100644 --- a/dist/ui-scroll.js +++ b/dist/ui-scroll.js @@ -1,7 +1,7 @@ /*! * angular-ui-scroll (uncompressed) * https://github.com/angular-ui/ui-scroll - * Version: 1.7.0-rc.2 -- 2017-10-20T00:12:44.031Z + * Version: 1.7.0-rc.2 -- 2017-10-25T00:12:31.816Z * License: MIT */ /******/ (function(modules) { // webpackBootstrap @@ -313,21 +313,24 @@ var Adapter = function () { return; } - var keepIt = void 0; - var pos = this.buffer.indexOf(wrapper) + 1; + var position = this.buffer.indexOf(wrapper); + if (!newItems.reverse().some(function (newItem) { + return newItem === wrapper.item; + })) { + wrapper.op = 'remove'; + if (position === 0 && !newItems.length) { + wrapper._op = 'isTop'; // to catch "first" edge case on remove + } + } - newItems.reverse().forEach(function (newItem) { + newItems.forEach(function (newItem) { if (newItem === wrapper.item) { - keepIt = true; - pos--; + position--; } else { - _this3.buffer.insert(pos, newItem); + // 3 parameter (isTop) is to catch "first" edge case on insert + _this3.buffer.insert(position + 1, newItem, position === -1); } }); - - if (!keepIt) { - wrapper.op = 'remove'; - } } }]); @@ -386,7 +389,7 @@ function ScrollBuffer(elementRoutines, bufferSize) { * for insert the number is the index for the buffer element the new one have to be inserted after * operations: 'append', 'prepend', 'insert', 'remove', 'update', 'none' */ - insert: function insert(operation, item) { + insert: function insert(operation, item, isTop) { var wrapper = { item: item }; @@ -395,6 +398,11 @@ function ScrollBuffer(elementRoutines, bufferSize) { // it is an insert wrapper.op = 'insert'; buffer.splice(operation, 0, wrapper); + if (isTop) { + buffer.first--; + } else { + buffer.next++; + } } else { wrapper.op = operation; switch (operation) { @@ -421,6 +429,15 @@ function ScrollBuffer(elementRoutines, bufferSize) { } // removes single item(wrapper) from the buffer buffer.splice(buffer.indexOf(arg1), 1); + if (arg1._op === 'isTop') { + buffer.first++; + } else { + buffer.next--; + } + if (!buffer.length) { + buffer.first = 1; + buffer.next = 1; + } return elementRoutines.removeElementAnimated(arg1); }, @@ -459,6 +476,16 @@ var _createClass = function () { function defineProperties(target, props) { for function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } +var hideClassToken = 'ng-ui-scroll-hide'; + +function addCSSRule(sheet, selector, rules, index) { + if ('insertRule' in sheet) { + sheet.insertRule(selector + '{' + rules + '}', index); + } else if ('addRule' in sheet) { + sheet.addRule(selector, rules, index); + } +} + var ElementRoutines = function () { function ElementRoutines($injector, $q) { _classCallCheck(this, ElementRoutines); @@ -466,9 +493,20 @@ var ElementRoutines = function () { this.$animate = $injector.has && $injector.has('$animate') ? $injector.get('$animate') : null; this.isAngularVersionLessThen1_3 = angular.version.major === 1 && angular.version.minor < 3; this.$q = $q; + addCSSRule(document.styleSheets[0], '.' + hideClassToken, 'display: none'); } _createClass(ElementRoutines, [{ + key: 'hideElement', + value: function hideElement(wrapper) { + wrapper.element.addClass(hideClassToken); + } + }, { + key: 'showElement', + value: function showElement(wrapper) { + wrapper.element.removeClass(hideClassToken); + } + }, { key: 'insertElement', value: function insertElement(newElement, previousElement) { previousElement.after(newElement); @@ -1050,46 +1088,74 @@ function Viewport(elementRoutines, buffer, element, viewportController, $rootSco Object.defineProperty(exports, "__esModule", { value: true }); + +var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }(); + exports.default = Padding; -function Cache() { - var cache = Object.create(Array.prototype); - angular.extend(cache, { - add: function add(item) { - for (var i = cache.length - 1; i >= 0; i--) { - if (cache[i].index === item.scope.$index) { - cache[i].height = item.element.outerHeight(); +function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + +// Can't just extend the Array, due to Babel does not support built-in classes extending +// This solution was taken from https://stackoverflow.com/questions/46897414/es6-class-extends-array-workaround-for-es5-babel-transpile +var CacheProto = function () { + function CacheProto() { + _classCallCheck(this, CacheProto); + } + + _createClass(CacheProto, [{ + key: 'add', + value: function add(item) { + for (var i = this.length - 1; i >= 0; i--) { + if (this[i].index === item.scope.$index) { + this[i].height = item.element.outerHeight(); return; } } - cache.push({ + this.push({ index: item.scope.$index, height: item.element.outerHeight() }); - cache.sort(function (a, b) { + this.sort(function (a, b) { return a.index < b.index ? -1 : a.index > b.index ? 1 : 0; }); - }, - remove: function remove(item) { - for (var i = cache.length - 1; i >= 0; i--) { - if (cache[i].index === item.scope.$index) { - cache.splice(i, 1); + } + }, { + key: 'remove', + value: function remove(itemToRemove) { + for (var i = this.length - 1; i >= 0; i--) { + if (this[i].index === itemToRemove.scope.$index) { + this.splice(i, 1); break; } } - for (var _i = cache.length - 1; _i >= 0; _i--) { - if (cache[_i].index > item.scope.$index) { - cache[_i].index--; + if (itemToRemove._op !== 'isTop') { + for (var _i = this.length - 1; _i >= 0; _i--) { + if (this[_i].index > itemToRemove.scope.$index) { + this[_i].index--; + } } } - }, - clear: function clear() { - cache.length = 0; } - }); + }, { + key: 'clear', + value: function clear() { + this.length = 0; + } + }]); - return cache; + return CacheProto; +}(); + +function Cache() { + var instance = []; + instance.push.apply(instance, arguments); + Object.setPrototypeOf(instance, Cache.prototype); + return instance; } +Cache.prototype = Object.create(Array.prototype); +Object.getOwnPropertyNames(CacheProto.prototype).forEach(function (methodName) { + return Cache.prototype[methodName] = CacheProto.prototype[methodName]; +}); function Padding(template) { var result = void 0; @@ -1294,12 +1360,12 @@ angular.module('ui.scroll', []).service('jqLiteExtras', function () { }, success); }; - /** - * Build padding elements - * - * Calling linker is the only way I found to get access to the tag name of the template - * to prevent the directive scope from pollution a new scope is created and destroyed - * right after the builder creation is completed + /** + * Build padding elements + * + * Calling linker is the only way I found to get access to the tag name of the template + * to prevent the directive scope from pollution a new scope is created and destroyed + * right after the builder creation is completed */ linker(function (clone, scope) { viewport.createPaddingElements(clone[0]); @@ -1375,7 +1441,7 @@ angular.module('ui.scroll', []).service('jqLiteExtras', function () { return visibilityWatcher(wrapper); }); } - wrapper.element.addClass('ng-hide'); // hide inserted elements before data binding + elementRoutines.hideElement(wrapper); // hide inserted elements before data binding } function createElement(wrapper, insertAfter, insertElement) { @@ -1485,24 +1551,29 @@ angular.module('ui.scroll', []).service('jqLiteExtras', function () { } } - function adjustBuffer(rid) { - if (!rid) { - // dismiss pending requests - pending = []; - rid = ++ridActual; - } - + function processUpdates() { var updates = updateDOM(); - // We need the item bindings to be processed before we can do adjustment + // We need the item bindings to be processed before we can do adjustments !$scope.$$phase && $scope.$digest(); updates.inserted.forEach(function (w) { - return w.element.removeClass('ng-hide'); + return elementRoutines.showElement(w); }); updates.prepended.forEach(function (w) { - return w.element.removeClass('ng-hide'); + return elementRoutines.showElement(w); }); + return updates; + } + + function adjustBuffer(rid) { + if (!rid) { + // dismiss pending requests + pending = []; + rid = ++ridActual; + } + + var updates = processUpdates(); if (isInvalid(rid)) { return; @@ -1517,17 +1588,7 @@ angular.module('ui.scroll', []).service('jqLiteExtras', function () { } function adjustBufferAfterFetch(rid) { - var updates = updateDOM(); - - // We need the item bindings to be processed before we 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exports\n \treturn __webpack_require__(__webpack_require__.s = 7);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap 19918b905def3093ea75","function getCtrlOnData(attr, element) {\r\n let onSyntax = attr.match(/^(.+)(\\s+on\\s+)(.+)?/);\r\n if (onSyntax && onSyntax.length === 4) {\r\n window.console.log('Angular ui-scroll adapter assignment warning. \"Controller On\" syntax has been deprecated since ui-scroll v1.6.1.');\r\n let ctrl = onSyntax[3];\r\n let tail = onSyntax[1];\r\n let candidate = element;\r\n while (candidate.length) {\r\n let candidateScope = candidate.scope(); // doesn't work when debugInfoEnabled flag = true\r\n let candidateName = (candidate.attr('ng-controller') || '').match(/(\\w(?:\\w|\\d)*)(?:\\s+as\\s+(\\w(?:\\w|\\d)*))?/);\r\n if (candidateName && candidateName[1] === ctrl) {\r\n return {\r\n target: candidateScope,\r\n source: tail\r\n };\r\n }\r\n candidate = candidate.parent();\r\n }\r\n throw new Error('Angular ui-scroll adapter assignment error. Failed to locate target controller \"' + ctrl + '\" to inject \"' + tail + '\"');\r\n }\r\n}\r\n\r\nclass Adapter {\r\n\r\n constructor(viewport, buffer, adjustBuffer, reload, $attr, $parse, element, $scope) {\r\n this.viewport = viewport;\r\n this.buffer = buffer;\r\n this.adjustBuffer = adjustBuffer;\r\n this.reload = reload;\r\n\r\n this.isLoading = false;\r\n this.disabled = false;\r\n\r\n const viewportScope = viewport.getScope();\r\n this.startScope = viewportScope.$parent ? viewportScope : $scope;\r\n\r\n this.publicContext = {};\r\n this.assignAdapter($attr.adapter, $parse, element);\r\n this.generatePublicContext($attr, $parse);\r\n }\r\n\r\n assignAdapter(adapterAttr, $parse, element) {\r\n if (!adapterAttr || !(adapterAttr = adapterAttr.replace(/^\\s+|\\s+$/gm, ''))) {\r\n return;\r\n }\r\n let ctrlOnData = getCtrlOnData(adapterAttr, element);\r\n let adapterOnScope;\r\n\r\n try {\r\n if (ctrlOnData) { // \"Controller On\", deprecated since v1.6.1\r\n $parse(ctrlOnData.source).assign(ctrlOnData.target, {});\r\n adapterOnScope = $parse(ctrlOnData.source)(ctrlOnData.target);\r\n }\r\n else {\r\n $parse(adapterAttr).assign(this.startScope, {});\r\n adapterOnScope = $parse(adapterAttr)(this.startScope);\r\n }\r\n }\r\n catch (error) {\r\n error.message = `Angular ui-scroll Adapter assignment exception.\\n` +\r\n `Can't parse \"${adapterAttr}\" expression.\\n` +\r\n error.message;\r\n throw error;\r\n }\r\n\r\n angular.extend(adapterOnScope, this.publicContext);\r\n this.publicContext = adapterOnScope;\r\n }\r\n\r\n generatePublicContext($attr, $parse) {\r\n // these methods will be accessible out of ui-scroll via user defined adapter\r\n const publicMethods = ['reload', 'applyUpdates', 'append', 'prepend', 'isBOF', 'isEOF', 'isEmpty'];\r\n for (let i = publicMethods.length - 1; i >= 0; i--) {\r\n this.publicContext[publicMethods[i]] = this[publicMethods[i]].bind(this);\r\n }\r\n\r\n // these read-only props will be accessible out of ui-scroll via user defined adapter\r\n const publicProps = ['isLoading', 'topVisible', 'topVisibleElement', 'topVisibleScope', 'bottomVisible', 'bottomVisibleElement', 'bottomVisibleScope'];\r\n for (let i = publicProps.length - 1; i >= 0; i--) {\r\n let property, attr = $attr[publicProps[i]];\r\n Object.defineProperty(this, publicProps[i], {\r\n get: () => property,\r\n set: (value) => {\r\n property = value;\r\n this.publicContext[publicProps[i]] = value;\r\n if (attr) {\r\n $parse(attr).assign(this.startScope, value);\r\n }\r\n }\r\n });\r\n }\r\n\r\n // non-read-only public property\r\n Object.defineProperty(this.publicContext, 'disabled', {\r\n get: () => this.disabled,\r\n set: (value) => (!(this.disabled = value)) ? this.adjustBuffer() : null\r\n });\r\n }\r\n\r\n loading(value) {\r\n this['isLoading'] = value;\r\n }\r\n\r\n isBOF() {\r\n return this.buffer.bof;\r\n }\r\n\r\n isEOF() {\r\n return this.buffer.eof;\r\n }\r\n\r\n isEmpty() {\r\n return !this.buffer.length;\r\n }\r\n\r\n applyUpdates(arg1, arg2) {\r\n if (angular.isFunction(arg1)) {\r\n // arg1 is the updater function, arg2 is ignored\r\n this.buffer.slice(0).forEach((wrapper) => {\r\n // we need to do it on the buffer clone, because buffer content\r\n // may change as we iterate through\r\n this.applyUpdate(wrapper, arg1(wrapper.item, wrapper.scope, wrapper.element));\r\n });\r\n } else {\r\n // arg1 is item index, arg2 is the newItems array\r\n if (arg1 % 1 !== 0) {// checking if it is an integer\r\n throw new Error('applyUpdates - ' + arg1 + ' is not a valid index');\r\n }\r\n\r\n const index = arg1 - this.buffer.first;\r\n if ((index >= 0 && index < this.buffer.length)) {\r\n this.applyUpdate(this.buffer[index], arg2);\r\n }\r\n }\r\n\r\n this.adjustBuffer();\r\n }\r\n\r\n append(newItems) {\r\n this.buffer.append(newItems);\r\n this.adjustBuffer();\r\n this.viewport.clipTop();\r\n this.viewport.clipBottom();\r\n }\r\n\r\n prepend(newItems) {\r\n this.buffer.prepend(newItems);\r\n this.adjustBuffer();\r\n this.viewport.clipTop();\r\n this.viewport.clipBottom();\r\n }\r\n\r\n calculateProperties() {\r\n let rowTop = null, topHeight = 0;\r\n let topDone = false, bottomDone = false;\r\n const length = this.buffer.length;\r\n\r\n for (let i = 0; i < length; i++) {\r\n const item = this.buffer[i];\r\n const itemTop = item.element.offset().top;\r\n\r\n if (rowTop !== itemTop) { // a new row condition\r\n const itemHeight = item.element.outerHeight(true);\r\n const top = this.viewport.topDataPos() + topHeight + itemHeight;\r\n\r\n if (!topDone && top > this.viewport.topVisiblePos()) {\r\n topDone = true;\r\n this['topVisible'] = item.item;\r\n this['topVisibleElement'] = item.element;\r\n this['topVisibleScope'] = item.scope;\r\n }\r\n\r\n if (!bottomDone && (top >= this.viewport.bottomVisiblePos() || (i === length - 1 && this.isEOF()))) {\r\n bottomDone = true;\r\n this['bottomVisible'] = item.item;\r\n this['bottomVisibleElement'] = item.element;\r\n this['bottomVisibleScope'] = item.scope;\r\n }\r\n topHeight += itemHeight;\r\n }\r\n\r\n rowTop = itemTop;\r\n\r\n if (topDone && bottomDone) {\r\n break;\r\n }\r\n }\r\n }\r\n\r\n applyUpdate(wrapper, newItems) {\r\n if (!angular.isArray(newItems)) {\r\n return;\r\n }\r\n\r\n let keepIt;\r\n let pos = (this.buffer.indexOf(wrapper)) + 1;\r\n\r\n newItems.reverse().forEach((newItem) => {\r\n if (newItem === wrapper.item) {\r\n keepIt = true;\r\n pos--;\r\n } else {\r\n this.buffer.insert(pos, newItem);\r\n }\r\n });\r\n\r\n if (!keepIt) {\r\n wrapper.op = 'remove';\r\n }\r\n }\r\n\r\n}\r\n\r\nexport default Adapter;\n\n\n// WEBPACK FOOTER //\n// ./src/modules/adapter.js","export default function ScrollBuffer(elementRoutines, bufferSize) {\r\n const buffer = Object.create(Array.prototype);\r\n\r\n angular.extend(buffer, {\r\n size: bufferSize,\r\n\r\n reset(startIndex) {\r\n buffer.remove(0, buffer.length);\r\n buffer.eof = false;\r\n buffer.bof = false;\r\n buffer.first = startIndex;\r\n buffer.next = startIndex;\r\n buffer.minIndex = startIndex;\r\n buffer.maxIndex = startIndex;\r\n buffer.minIndexUser = null;\r\n buffer.maxIndexUser = null;\r\n },\r\n\r\n append(items) {\r\n items.forEach((item) => {\r\n ++buffer.next;\r\n buffer.insert('append', item);\r\n });\r\n buffer.maxIndex = buffer.eof ? buffer.next - 1 : Math.max(buffer.next - 1, buffer.maxIndex);\r\n },\r\n\r\n prepend(items) {\r\n items.reverse().forEach((item) => {\r\n --buffer.first;\r\n buffer.insert('prepend', item);\r\n });\r\n buffer.minIndex = buffer.bof ? buffer.minIndex = buffer.first : Math.min(buffer.first, buffer.minIndex);\r\n },\r\n\r\n /**\r\n * inserts wrapped element in the buffer\r\n * the first argument is either operation keyword (see below) or a number for operation 'insert'\r\n * for insert the number is the index for the buffer element the new one have to be inserted after\r\n * operations: 'append', 'prepend', 'insert', 'remove', 'update', 'none'\r\n */\r\n insert(operation, item) {\r\n const wrapper = {\r\n item: item\r\n };\r\n\r\n if (operation % 1 === 0) {// it is an insert\r\n wrapper.op = 'insert';\r\n buffer.splice(operation, 0, wrapper);\r\n } else {\r\n wrapper.op = operation;\r\n switch (operation) {\r\n case 'append':\r\n buffer.push(wrapper);\r\n break;\r\n case 'prepend':\r\n buffer.unshift(wrapper);\r\n break;\r\n }\r\n }\r\n },\r\n\r\n // removes elements from buffer\r\n remove(arg1, arg2) {\r\n if (angular.isNumber(arg1)) {\r\n // removes items from arg1 (including) through arg2 (excluding)\r\n for (let i = arg1; i < arg2; i++) {\r\n elementRoutines.removeElement(buffer[i]);\r\n }\r\n\r\n return buffer.splice(arg1, arg2 - arg1);\r\n }\r\n // removes single item(wrapper) from the buffer\r\n buffer.splice(buffer.indexOf(arg1), 1);\r\n\r\n return elementRoutines.removeElementAnimated(arg1);\r\n },\r\n\r\n effectiveHeight(elements) {\r\n if (!elements.length) {\r\n return 0;\r\n }\r\n let top = Number.MAX_VALUE;\r\n let bottom = Number.NEGATIVE_INFINITY;\r\n elements.forEach((wrapper) => {\r\n if (wrapper.element[0].offsetParent) {\r\n // element style is not display:none\r\n top = Math.min(top, wrapper.element.offset().top);\r\n bottom = Math.max(bottom, wrapper.element.offset().top + wrapper.element.outerHeight(true));\r\n }\r\n });\r\n return Math.max(0, bottom - top);\r\n }\r\n\r\n });\r\n\r\n return buffer;\r\n}\n\n\n// WEBPACK FOOTER //\n// ./src/modules/buffer.js","export default class ElementRoutines {\r\n\r\n constructor($injector, $q) {\r\n this.$animate = ($injector.has && $injector.has('$animate')) ? $injector.get('$animate') : null;\r\n this.isAngularVersionLessThen1_3 = angular.version.major === 1 && angular.version.minor < 3;\r\n this.$q = $q;\r\n }\r\n\r\n insertElement(newElement, previousElement) {\r\n previousElement.after(newElement);\r\n return [];\r\n }\r\n\r\n removeElement(wrapper) {\r\n wrapper.element.remove();\r\n wrapper.scope.$destroy();\r\n return [];\r\n }\r\n\r\n insertElementAnimated(newElement, previousElement) {\r\n if (!this.$animate) {\r\n return this.insertElement(newElement, previousElement);\r\n }\r\n\r\n if (this.isAngularVersionLessThen1_3) {\r\n const deferred = this.$q.defer();\r\n // no need for parent - previous element is never null\r\n this.$animate.enter(newElement, null, previousElement, () => deferred.resolve());\r\n\r\n return [deferred.promise];\r\n }\r\n\r\n // no need for parent - previous element is never null\r\n return [this.$animate.enter(newElement, null, previousElement)];\r\n }\r\n\r\n removeElementAnimated(wrapper) {\r\n if (!this.$animate) {\r\n return this.removeElement(wrapper);\r\n }\r\n\r\n if (this.isAngularVersionLessThen1_3) {\r\n const deferred = this.$q.defer();\r\n this.$animate.leave(wrapper.element, () => {\r\n wrapper.scope.$destroy();\r\n return deferred.resolve();\r\n });\r\n\r\n return [deferred.promise];\r\n }\r\n\r\n return [(this.$animate.leave(wrapper.element)).then(() => wrapper.scope.$destroy())];\r\n }\r\n}\n\n\n// WEBPACK FOOTER //\n// ./src/modules/elementRoutines.js","/*!\r\n globals: angular, window\r\n List of used element methods available in JQuery but not in JQuery Lite\r\n element.before(elem)\r\n element.height()\r\n element.outerHeight(true)\r\n element.height(value) = only for Top/Bottom padding elements\r\n element.scrollTop()\r\n element.scrollTop(value)\r\n */\r\n\r\nexport default class JQLiteExtras {\r\n\r\n registerFor(element) {\r\n let convertToPx, css, getStyle, isWindow;\r\n // angular implementation blows up if elem is the window\r\n css = angular.element.prototype.css;\r\n\r\n element.prototype.css = function (name, value) {\r\n let self = this;\r\n let elem = self[0];\r\n if (!(!elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style)) {\r\n return css.call(self, name, value);\r\n }\r\n };\r\n\r\n // as defined in angularjs v1.0.5\r\n isWindow = (obj) => obj && obj.document && obj.location && obj.alert && obj.setInterval;\r\n\r\n function scrollTo(self, direction, value) {\r\n let elem = self[0];\r\n let [method, prop, preserve] = {\r\n top: [\r\n 'scrollTop',\r\n 'pageYOffset',\r\n 'scrollLeft'\r\n ],\r\n left: [\r\n 'scrollLeft',\r\n 'pageXOffset',\r\n 'scrollTop'\r\n ]\r\n }[direction];\r\n\r\n if (isWindow(elem)) {\r\n if (angular.isDefined(value)) {\r\n return elem.scrollTo(self[preserve].call(self), value);\r\n }\r\n return (prop in elem) ? elem[prop] : elem.document.documentElement[method];\r\n } else {\r\n if (angular.isDefined(value)) {\r\n elem[method] = value;\r\n }\r\n return elem[method];\r\n }\r\n }\r\n\r\n if (window.getComputedStyle) {\r\n getStyle = (elem) => window.getComputedStyle(elem, null);\r\n convertToPx = (elem, value) => parseFloat(value);\r\n } else {\r\n getStyle = (elem) => elem.currentStyle;\r\n convertToPx = (elem, value) => {\r\n let left, result, rs, rsLeft, style;\r\n let core_pnum = /[+-]?(?:\\d*\\.|)\\d+(?:[eE][+-]?\\d+|)/.source;\r\n let rnumnonpx = new RegExp('^(' + core_pnum + ')(?!px)[a-z%]+$', 'i');\r\n\r\n if (!rnumnonpx.test(value)) {\r\n return parseFloat(value);\r\n }\r\n\r\n // ported from JQuery\r\n style = elem.style;\r\n left = style.left;\r\n rs = elem.runtimeStyle;\r\n rsLeft = rs && rs.left;\r\n if (rs) {\r\n rs.left = style.left;\r\n }\r\n // put in the new values to get a computed style out\r\n style.left = value;\r\n result = style.pixelLeft;\r\n style.left = left;\r\n if (rsLeft) {\r\n rs.left = rsLeft;\r\n }\r\n return result;\r\n };\r\n }\r\n\r\n function getMeasurements(elem, measure) {\r\n let base, borderA, borderB, computedMarginA, computedMarginB, computedStyle, dirA, dirB, marginA, marginB, paddingA, paddingB;\r\n\r\n if (isWindow(elem)) {\r\n base = document.documentElement[{height: 'clientHeight', width: 'clientWidth'}[measure]];\r\n\r\n return {\r\n base: base,\r\n padding: 0,\r\n border: 0,\r\n margin: 0\r\n };\r\n }\r\n\r\n // Start with offset property\r\n [\r\n base,\r\n dirA,\r\n dirB\r\n ] = {\r\n width: [\r\n elem.offsetWidth,\r\n 'Left',\r\n 'Right'\r\n ],\r\n height: [\r\n elem.offsetHeight,\r\n 'Top',\r\n 'Bottom'\r\n ]\r\n }[measure];\r\n\r\n computedStyle = getStyle(elem);\r\n paddingA = convertToPx(elem, computedStyle['padding' + dirA]) || 0;\r\n paddingB = convertToPx(elem, computedStyle['padding' + dirB]) || 0;\r\n borderA = convertToPx(elem, computedStyle['border' + dirA + 'Width']) || 0;\r\n borderB = convertToPx(elem, computedStyle['border' + dirB + 'Width']) || 0;\r\n computedMarginA = computedStyle['margin' + dirA];\r\n computedMarginB = computedStyle['margin' + dirB];\r\n\r\n // I do not care for width for now, so this hack is irrelevant\r\n // if ( !supportsPercentMargin )\r\n // computedMarginA = hackPercentMargin( elem, computedStyle, computedMarginA )\r\n // computedMarginB = hackPercentMargin( elem, computedStyle, computedMarginB )\r\n marginA = convertToPx(elem, computedMarginA) || 0;\r\n marginB = convertToPx(elem, computedMarginB) || 0;\r\n\r\n return {\r\n base: base,\r\n padding: paddingA + paddingB,\r\n border: borderA + borderB,\r\n margin: marginA + marginB\r\n };\r\n }\r\n\r\n function getWidthHeight(elem, direction, measure) {\r\n let computedStyle, result;\r\n\r\n let measurements = getMeasurements(elem, direction);\r\n\r\n if (measurements.base > 0) {\r\n return {\r\n base: measurements.base - measurements.padding - measurements.border,\r\n outer: measurements.base,\r\n outerfull: measurements.base + measurements.margin\r\n }[measure];\r\n }\r\n\r\n // Fall back to computed then uncomputed css if necessary\r\n computedStyle = getStyle(elem);\r\n result = computedStyle[direction];\r\n\r\n if (result < 0 || result === null) {\r\n result = elem.style[direction] || 0;\r\n }\r\n\r\n // Normalize \"\", auto, and prepare for extra\r\n result = parseFloat(result) || 0;\r\n\r\n return {\r\n base: result - measurements.padding - measurements.border,\r\n outer: result,\r\n outerfull: result + measurements.padding + measurements.border + measurements.margin\r\n }[measure];\r\n }\r\n\r\n // define missing methods\r\n return angular.forEach({\r\n before(newElem) {\r\n var children, elem, i, j, parent, ref, self;\r\n self = this;\r\n elem = self[0];\r\n parent = self.parent();\r\n children = parent.contents();\r\n if (children[0] === elem) {\r\n return parent.prepend(newElem);\r\n } else {\r\n for (i = j = 1, ref = children.length - 1; 1 <= ref ? j <= ref : j >= ref; i = 1 <= ref ? ++j : --j) {\r\n if (children[i] === elem) {\r\n angular.element(children[i - 1]).after(newElem);\r\n return;\r\n }\r\n }\r\n throw new Error('invalid DOM structure ' + elem.outerHTML);\r\n }\r\n },\r\n height (value){\r\n var self;\r\n self = this;\r\n if (angular.isDefined(value)) {\r\n if (angular.isNumber(value)) {\r\n value = value + 'px';\r\n }\r\n return css.call(self, 'height', value);\r\n } else {\r\n return getWidthHeight(this[0], 'height', 'base');\r\n }\r\n },\r\n outerHeight(option) {\r\n return getWidthHeight(this[0], 'height', option ? 'outerfull' : 'outer');\r\n },\r\n outerWidth(option) {\r\n return getWidthHeight(this[0], 'width', option ? 'outerfull' : 'outer');\r\n },\r\n\r\n /*\r\n The offset setter method is not implemented\r\n */\r\n offset(value) {\r\n let docElem, win;\r\n let self = this;\r\n let box = {\r\n top: 0,\r\n left: 0\r\n };\r\n let elem = self[0];\r\n let doc = elem && elem.ownerDocument;\r\n\r\n if (arguments.length) {\r\n if (value === undefined) {\r\n return self;\r\n }\r\n // TODO: implement setter\r\n throw new Error('offset setter method is not implemented');\r\n }\r\n\r\n if (!doc) {\r\n return;\r\n }\r\n\r\n docElem = doc.documentElement;\r\n\r\n // TODO: Make sure it's not a disconnected DOM node\r\n\r\n if (elem.getBoundingClientRect != null) {\r\n box = elem.getBoundingClientRect();\r\n }\r\n\r\n win = doc.defaultView || doc.parentWindow;\r\n\r\n return {\r\n top: box.top + (win.pageYOffset || docElem.scrollTop) - (docElem.clientTop || 0),\r\n left: box.left + (win.pageXOffset || docElem.scrollLeft) - (docElem.clientLeft || 0)\r\n };\r\n },\r\n scrollTop(value) {\r\n return scrollTo(this, 'top', value);\r\n },\r\n scrollLeft(value) {\r\n return scrollTo(this, 'left', value);\r\n }\r\n }, (value, key) => {\r\n if (!element.prototype[key]) {\r\n return element.prototype[key] = value;\r\n }\r\n });\r\n }\r\n\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/modules/jqLiteExtras.js","import Padding from './padding';\r\n\r\nexport default function Viewport(elementRoutines, buffer, element, viewportController, $rootScope, padding) {\r\n let topPadding = null;\r\n let bottomPadding = null;\r\n const viewport = viewportController && viewportController.viewport ? viewportController.viewport : angular.element(window);\r\n const container = viewportController && viewportController.container ? viewportController.container : undefined;\r\n const scope = viewportController && viewportController.scope ? viewportController.scope : $rootScope;\r\n\r\n viewport.css({\r\n 'overflow-anchor': 'none',\r\n 'overflow-y': 'auto',\r\n 'display': 'block'\r\n });\r\n\r\n function bufferPadding() {\r\n return viewport.outerHeight() * padding; // some extra space to initiate preload\r\n }\r\n\r\n angular.extend(viewport, {\r\n getScope() {\r\n return scope;\r\n },\r\n\r\n createPaddingElements(template) {\r\n topPadding = new Padding(template);\r\n bottomPadding = new Padding(template);\r\n element.before(topPadding);\r\n element.after(bottomPadding);\r\n },\r\n\r\n applyContainerStyle() {\r\n if (container && container !== viewport) {\r\n viewport.css('height', window.getComputedStyle(container[0]).height);\r\n }\r\n },\r\n\r\n bottomDataPos() {\r\n let scrollHeight = viewport[0].scrollHeight;\r\n scrollHeight = scrollHeight != null ? scrollHeight : viewport[0].document.documentElement.scrollHeight;\r\n return scrollHeight - bottomPadding.height();\r\n },\r\n\r\n topDataPos() {\r\n return topPadding.height();\r\n },\r\n\r\n bottomVisiblePos() {\r\n return viewport.scrollTop() + viewport.outerHeight();\r\n },\r\n\r\n topVisiblePos() {\r\n return viewport.scrollTop();\r\n },\r\n\r\n insertElement(e, sibling) {\r\n return elementRoutines.insertElement(e, sibling || topPadding);\r\n },\r\n\r\n insertElementAnimated(e, sibling) {\r\n return elementRoutines.insertElementAnimated(e, sibling || topPadding);\r\n },\r\n\r\n shouldLoadBottom() {\r\n return !buffer.eof && viewport.bottomDataPos() < viewport.bottomVisiblePos() + bufferPadding();\r\n },\r\n\r\n clipBottom() {\r\n // clip the invisible items off the bottom\r\n let overage = 0;\r\n let overageHeight = 0;\r\n let itemHeight = 0;\r\n let emptySpaceHeight = viewport.bottomDataPos() - viewport.bottomVisiblePos() - bufferPadding();\r\n\r\n for (let i = buffer.length - 1; i >= 0; i--) {\r\n itemHeight = buffer[i].element.outerHeight(true);\r\n if (overageHeight + itemHeight > emptySpaceHeight) {\r\n break;\r\n }\r\n bottomPadding.cache.add(buffer[i]);\r\n overageHeight += itemHeight;\r\n overage++;\r\n }\r\n\r\n if (overage > 0) {\r\n buffer.eof = false;\r\n buffer.remove(buffer.length - overage, buffer.length);\r\n buffer.next -= overage;\r\n viewport.adjustPaddings();\r\n }\r\n },\r\n\r\n shouldLoadTop() {\r\n return !buffer.bof && (viewport.topDataPos() > viewport.topVisiblePos() - bufferPadding());\r\n },\r\n\r\n clipTop() {\r\n // clip the invisible items off the top\r\n let overage = 0;\r\n let overageHeight = 0;\r\n let itemHeight = 0;\r\n let emptySpaceHeight = viewport.topVisiblePos() - viewport.topDataPos() - bufferPadding();\r\n\r\n for (let i = 0; i < buffer.length; i++) {\r\n itemHeight = buffer[i].element.outerHeight(true);\r\n if (overageHeight + itemHeight > emptySpaceHeight) {\r\n break;\r\n }\r\n topPadding.cache.add(buffer[i]);\r\n overageHeight += itemHeight;\r\n overage++;\r\n }\r\n\r\n if (overage > 0) {\r\n // we need to adjust top padding element before items are removed from top\r\n // to avoid strange behaviour of scroll bar during remove top items when we are at the very bottom\r\n topPadding.height(topPadding.height() + overageHeight);\r\n buffer.bof = false;\r\n buffer.remove(0, overage);\r\n buffer.first += overage;\r\n }\r\n },\r\n\r\n adjustPaddings() {\r\n if (!buffer.length) {\r\n return;\r\n }\r\n\r\n // precise heights calculation, items that were in buffer once\r\n let topPaddingHeight = topPadding.cache.reduce((summ, item) => summ + (item.index < buffer.first ? item.height : 0), 0);\r\n let bottomPaddingHeight = bottomPadding.cache.reduce((summ, item) => summ + (item.index >= buffer.next ? item.height : 0), 0);\r\n\r\n // average item height based on buffer data\r\n let visibleItemsHeight = buffer.reduce((summ, item) => summ + item.element.outerHeight(true), 0);\r\n let averageItemHeight = (visibleItemsHeight + topPaddingHeight + bottomPaddingHeight) / (buffer.maxIndex - buffer.minIndex + 1);\r\n\r\n // average heights calculation, items that have never been reached\r\n let adjustTopPadding = buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser;\r\n let adjustBottomPadding = buffer.maxIndexUser !== null && buffer.maxIndex < buffer.maxIndexUser;\r\n let topPaddingHeightAdd = adjustTopPadding ? (buffer.minIndex - buffer.minIndexUser) * averageItemHeight : 0;\r\n let bottomPaddingHeightAdd = adjustBottomPadding ? (buffer.maxIndexUser - buffer.maxIndex) * averageItemHeight : 0;\r\n\r\n // paddings combine adjustment\r\n topPadding.height(topPaddingHeight + topPaddingHeightAdd);\r\n bottomPadding.height(bottomPaddingHeight + bottomPaddingHeightAdd);\r\n },\r\n\r\n onAfterMinIndexSet(topPaddingHeightOld) {\r\n // additional scrollTop adjustment in case of datasource.minIndex external set\r\n if (buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser) {\r\n let diff = topPadding.height() - topPaddingHeightOld;\r\n viewport.scrollTop(viewport.scrollTop() + diff);\r\n diff -= viewport.scrollTop();\r\n if(diff > 0) {\r\n bottomPadding.height(bottomPadding.height() + diff);\r\n viewport.scrollTop(viewport.scrollTop() + diff);\r\n }\r\n }\r\n },\r\n\r\n onAfterPrepend(updates) {\r\n if (!updates.prepended.length)\r\n return;\r\n const height = buffer.effectiveHeight(updates.prepended);\r\n const paddingHeight = topPadding.height() - height;\r\n if (paddingHeight >= 0) {\r\n topPadding.height(paddingHeight);\r\n }\r\n else {\r\n topPadding.height(0);\r\n viewport.scrollTop(viewport.scrollTop() - paddingHeight);\r\n }\r\n },\r\n\r\n resetTopPadding() {\r\n topPadding.height(0);\r\n topPadding.cache.clear();\r\n },\r\n\r\n resetBottomPadding() {\r\n bottomPadding.height(0);\r\n bottomPadding.cache.clear();\r\n },\r\n\r\n removeItem(item) {\r\n topPadding.cache.remove(item);\r\n bottomPadding.cache.remove(item);\r\n return buffer.remove(item);\r\n }\r\n });\r\n\r\n return viewport;\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/modules/viewport.js","function Cache() {\r\n const cache = Object.create(Array.prototype);\r\n\r\n angular.extend(cache, {\r\n add(item) {\r\n for (let i = cache.length - 1; i >= 0; i--) {\r\n if (cache[i].index === item.scope.$index) {\r\n cache[i].height = item.element.outerHeight();\r\n return;\r\n }\r\n }\r\n cache.push({\r\n index: item.scope.$index,\r\n height: item.element.outerHeight()\r\n });\r\n cache.sort((a, b) => ((a.index < b.index) ? -1 : ((a.index > b.index) ? 1 : 0)));\r\n },\r\n\r\n remove(item) {\r\n for (let i = cache.length - 1; i >= 0; i--) {\r\n if (cache[i].index === item.scope.$index) {\r\n cache.splice(i, 1);\r\n break;\r\n }\r\n }\r\n for (let i = cache.length - 1; i >= 0; i--) {\r\n if (cache[i].index > item.scope.$index) {\r\n cache[i].index--;\r\n }\r\n }\r\n },\r\n\r\n clear() {\r\n cache.length = 0;\r\n }\r\n });\r\n\r\n return cache;\r\n}\r\n\r\nexport default function Padding(template) {\r\n let result;\r\n\r\n if(template.nodeType !== Node.ELEMENT_NODE) {\r\n throw new Error('ui-scroll directive requires an Element node for templating the view');\r\n }\r\n\r\n switch (template.tagName.toLowerCase()) {\r\n case 'dl':\r\n throw new Error(`ui-scroll directive does not support <${template.tagName}> as a repeating tag: ${template.outerHTML}`);\r\n case 'tr':\r\n let table = angular.element('
');\r\n result = table.find('tr');\r\n break;\r\n case 'li':\r\n result = angular.element('
  • ');\r\n break;\r\n default:\r\n result = angular.element('
    ');\r\n }\r\n\r\n result.cache = new Cache();\r\n\r\n return result;\r\n}\n\n\n// WEBPACK FOOTER //\n// ./src/modules/padding.js","import JQLiteExtras from './modules/jqLiteExtras';\nimport ElementRoutines from './modules/elementRoutines.js';\nimport ScrollBuffer from './modules/buffer.js';\nimport Viewport from './modules/viewport.js';\nimport Adapter from './modules/adapter.js';\n\nangular.module('ui.scroll', [])\n\n .service('jqLiteExtras', () => new JQLiteExtras())\n .run(['jqLiteExtras', (jqLiteExtras) =>\n !window.jQuery ? jqLiteExtras.registerFor(angular.element) : null\n ])\n\n .directive('uiScrollViewport', function () {\n return {\n restrict: 'A',\n controller: [\n '$scope',\n '$element',\n function (scope, element) {\n this.container = element;\n this.viewport = element;\n this.scope = scope;\n\n angular.forEach(element.children(), (child => {\n if (child.tagName.toLowerCase() === 'tbody') {\n this.viewport = angular.element(child);\n }\n }));\n\n return this;\n }\n ]\n };\n })\n\n .directive('uiScroll', [\n '$log',\n '$injector',\n '$rootScope',\n '$timeout',\n '$q',\n '$parse',\n function (console, $injector, $rootScope, $timeout, $q, $parse) {\n\n return {\n require: ['?^uiScrollViewport'],\n restrict: 'A',\n transclude: 'element',\n priority: 1000,\n terminal: true,\n link: link\n };\n\n function link($scope, element, $attr, controllers, linker) {\n const match = $attr.uiScroll.match(/^\\s*(\\w+)\\s+in\\s+([(\\w|\\$)\\.]+)\\s*$/);\n if (!match) {\n throw new Error('Expected uiScroll in form of \\'_item_ in _datasource_\\' but got \\'' + $attr.uiScroll + '\\'');\n }\n\n function parseNumericAttr(value, defaultValue) {\n let result = $parse(value)($scope);\n return isNaN(result) ? defaultValue : result;\n }\n\n const BUFFER_MIN = 3;\n const BUFFER_DEFAULT = 10;\n const PADDING_MIN = 0.3;\n const PADDING_DEFAULT = 0.5;\n\n let datasource = null;\n const itemName = match[1];\n const datasourceName = match[2];\n const viewportController = controllers[0];\n const bufferSize = Math.max(BUFFER_MIN, parseNumericAttr($attr.bufferSize, BUFFER_DEFAULT));\n const padding = Math.max(PADDING_MIN, parseNumericAttr($attr.padding, PADDING_DEFAULT));\n let startIndex = parseNumericAttr($attr.startIndex, 1);\n let ridActual = 0;// current data revision id\n let pending = [];\n\n let elementRoutines = new ElementRoutines($injector, $q);\n let buffer = new ScrollBuffer(elementRoutines, bufferSize);\n let viewport = new Viewport(elementRoutines, buffer, element, viewportController, $rootScope, padding);\n let adapter = new Adapter(viewport, buffer, adjustBuffer, reload, $attr, $parse, element, $scope);\n\n if (viewportController) {\n viewportController.adapter = adapter;\n }\n\n let isDatasourceValid = () => angular.isObject(datasource) && angular.isFunction(datasource.get);\n datasource = $parse(datasourceName)($scope); // try to get datasource on scope\n if (!isDatasourceValid()) {\n datasource = $injector.get(datasourceName); // try to inject datasource as service\n if (!isDatasourceValid()) {\n throw new Error(datasourceName + ' is not a valid datasource');\n }\n }\n\n let onRenderHandlers = [];\n function onRenderHandlersRunner() {\n if(onRenderHandlers.length) {\n angular.forEach(onRenderHandlers, (handler) => handler());\n onRenderHandlers = [];\n }\n }\n function preDefineIndexProperty(datasource, propName) {\n let getter;\n // need to postpone min/maxIndexUser processing if the view is empty\n if(datasource.hasOwnProperty(propName) && !buffer.length) {\n getter = datasource[propName];\n delete datasource[propName];\n onRenderHandlers.push(() => datasource[propName] = getter);\n }\n }\n\n function defineIndexProperty(datasource, propName, propUserName) {\n let descriptor = Object.getOwnPropertyDescriptor(datasource, propName);\n if (descriptor && (descriptor.set || descriptor.get)) {\n return;\n }\n let getter;\n preDefineIndexProperty(datasource, propName);\n Object.defineProperty(datasource, propName, {\n set: (value) => {\n getter = value;\n buffer[propUserName] = value;\n let topPaddingHeightOld = viewport.topDataPos();\n viewport.adjustPaddings();\n if (propName === 'minIndex') {\n viewport.onAfterMinIndexSet(topPaddingHeightOld);\n }\n },\n get: () => getter\n });\n }\n\n defineIndexProperty(datasource, 'minIndex', 'minIndexUser');\n defineIndexProperty(datasource, 'maxIndex', 'maxIndexUser');\n\n const fetchNext = (datasource.get.length !== 2) ?\n (success) => datasource.get(buffer.next, bufferSize, success) :\n (success) => {\n datasource.get({\n index: buffer.next,\n append: buffer.length ? buffer[buffer.length - 1].item : void 0,\n count: bufferSize\n }, success);\n };\n\n const fetchPrevious = (datasource.get.length !== 2) ?\n (success) => datasource.get(buffer.first - bufferSize, bufferSize, success) :\n (success) => {\n datasource.get({\n index: buffer.first - bufferSize,\n prepend: buffer.length ? buffer[0].item : void 0,\n count: bufferSize\n }, success);\n };\n\n /**\n * Build padding elements\n *\n * Calling linker is the only way I found to get access to the tag name of the template\n * to prevent the directive scope from pollution a new scope is created and destroyed\n * right after the builder creation is completed\n */\n linker((clone, scope) => {\n viewport.createPaddingElements(clone[0]);\n // we do not include the clone in the DOM. It means that the nested directives will not\n // be able to reach the parent directives, but in this case it is intentional because we\n // created the clone to access the template tag name\n scope.$destroy();\n clone.remove();\n });\n\n $scope.$on('$destroy', () => {\n unbindEvents();\n viewport.unbind('mousewheel', wheelHandler);\n });\n\n viewport.bind('mousewheel', wheelHandler);\n\n $timeout(() => {\n viewport.applyContainerStyle();\n reload();\n });\n\n /* Private function definitions */\n\n function isInvalid(rid) {\n return (rid && rid !== ridActual) || $scope.$$destroyed;\n }\n\n function bindEvents() {\n viewport.bind('resize', resizeAndScrollHandler);\n viewport.bind('scroll', resizeAndScrollHandler);\n }\n\n function unbindEvents() {\n viewport.unbind('resize', resizeAndScrollHandler);\n viewport.unbind('scroll', resizeAndScrollHandler);\n }\n\n function reload() {\n viewport.resetTopPadding();\n viewport.resetBottomPadding();\n if (arguments.length) {\n startIndex = arguments[0];\n }\n buffer.reset(startIndex);\n adjustBuffer();\n }\n\n function isElementVisible(wrapper) {\n return wrapper.element.height() && wrapper.element[0].offsetParent;\n }\n\n function visibilityWatcher(wrapper) {\n if (isElementVisible(wrapper)) {\n buffer.forEach((item) => {\n if (angular.isFunction(item.unregisterVisibilityWatcher)) {\n item.unregisterVisibilityWatcher();\n delete item.unregisterVisibilityWatcher;\n }\n });\n if (!pending.length) {\n $timeout(() => adjustBuffer());\n }\n }\n }\n\n function insertWrapperContent(wrapper, insertAfter) {\n createElement(wrapper, insertAfter, viewport.insertElement);\n if (!isElementVisible(wrapper)) {\n wrapper.unregisterVisibilityWatcher = wrapper.scope.$watch(() => visibilityWatcher(wrapper));\n }\n wrapper.element.addClass('ng-hide'); // hide inserted elements before data binding\n }\n\n function createElement(wrapper, insertAfter, insertElement) {\n let promises = null;\n let sibling = (insertAfter > 0) ? buffer[insertAfter - 1].element : undefined;\n linker((clone, scope) => {\n promises = insertElement(clone, sibling);\n wrapper.element = clone;\n wrapper.scope = scope;\n scope[itemName] = wrapper.item;\n });\n // ui-scroll-grid apply\n if (adapter.transform) {\n let tdInitializer = wrapper.scope.uiScrollTdInitializer;\n if (tdInitializer && tdInitializer.linking) {\n adapter.transform(wrapper.scope, wrapper.element);\n } else {\n wrapper.scope.uiScrollTdInitializer = {\n onLink: () => adapter.transform(wrapper.scope, wrapper.element),\n scope: wrapper.scope\n };\n }\n }\n return promises;\n }\n\n function updateDOM() {\n let promises = [];\n const toBePrepended = [];\n const toBeRemoved = [];\n const inserted = [];\n\n buffer.forEach((wrapper, i) => {\n switch (wrapper.op) {\n case 'prepend':\n toBePrepended.unshift(wrapper);\n break;\n case 'append':\n insertWrapperContent(wrapper, i);\n wrapper.op = 'none';\n inserted.push(wrapper);\n break;\n case 'insert':\n promises = promises.concat(createElement(wrapper, i, viewport.insertElementAnimated));\n wrapper.op = 'none';\n inserted.push(wrapper);\n break;\n case 'remove':\n toBeRemoved.push(wrapper);\n }\n });\n\n toBeRemoved.forEach((wrapper) => promises = promises.concat(viewport.removeItem(wrapper)));\n\n if (toBePrepended.length)\n toBePrepended.forEach((wrapper) => {\n insertWrapperContent(wrapper);\n wrapper.op = 'none';\n });\n\n buffer.forEach((item, i) => item.scope.$index = buffer.first + i);\n\n return {\n prepended: toBePrepended,\n removed: toBeRemoved,\n inserted: inserted,\n animated: promises\n };\n\n }\n\n function updatePaddings(rid, updates) {\n // schedule another adjustBuffer after animation completion\n if (updates.animated.length) {\n $q.all(updates.animated).then(() => {\n viewport.adjustPaddings();\n adjustBuffer(rid);\n });\n } else {\n viewport.adjustPaddings();\n }\n }\n\n function enqueueFetch(rid, updates) {\n if (viewport.shouldLoadBottom()) {\n if (!updates || buffer.effectiveHeight(updates.inserted) > 0) {\n // this means that at least one item appended in the last batch has height > 0\n if (pending.push(true) === 1) {\n adapter.loading(true);\n fetch(rid);\n }\n }\n } else if (viewport.shouldLoadTop()) {\n if ((!updates || buffer.effectiveHeight(updates.prepended) > 0) || pending[0]) {\n // this means that at least one item appended in the last batch has height > 0\n // pending[0] = true means that previous fetch was appending. We need to force at least one prepend\n // BTW there will always be at least 1 element in the pending array because bottom is fetched first\n if (pending.push(false) === 1) {\n adapter.loading(true);\n fetch(rid);\n }\n }\n }\n }\n\n function adjustBuffer(rid) {\n if (!rid) { // dismiss pending requests\n pending = [];\n rid = ++ridActual;\n }\n\n let updates = updateDOM();\n\n // We need the item bindings to be processed before we can do adjustment\n !$scope.$$phase && $scope.$digest();\n\n updates.inserted.forEach(w => w.element.removeClass('ng-hide'));\n updates.prepended.forEach(w => w.element.removeClass('ng-hide'));\n\n if (isInvalid(rid)) {\n return;\n }\n\n updatePaddings(rid, updates);\n enqueueFetch(rid);\n\n if (!pending.length) {\n adapter.calculateProperties();\n }\n }\n\n function adjustBufferAfterFetch(rid) {\n let updates = updateDOM();\n\n // We need the item bindings to be processed before we can do adjustment\n !$scope.$$phase && $scope.$digest();\n\n updates.inserted.forEach(w => w.element.removeClass('ng-hide'));\n updates.prepended.forEach(w => w.element.removeClass('ng-hide'));\n\n viewport.onAfterPrepend(updates);\n\n if (isInvalid(rid)) {\n return;\n }\n\n updatePaddings(rid, updates);\n onRenderHandlersRunner();\n enqueueFetch(rid, updates);\n pending.shift();\n\n if (pending.length)\n fetch(rid);\n else {\n adapter.loading(false);\n bindEvents();\n adapter.calculateProperties();\n }\n }\n\n function fetch(rid) {\n if (pending[0]) {// scrolling down\n if (buffer.length && !viewport.shouldLoadBottom()) {\n adjustBufferAfterFetch(rid);\n } else {\n fetchNext((result) => {\n if (isInvalid(rid)) {\n return;\n }\n\n if (result.length < bufferSize) {\n buffer.eof = true;\n }\n\n if (result.length > 0) {\n viewport.clipTop();\n buffer.append(result);\n }\n\n adjustBufferAfterFetch(rid);\n });\n }\n } else { // scrolling up\n if (buffer.length && !viewport.shouldLoadTop()) {\n adjustBufferAfterFetch(rid);\n } else {\n fetchPrevious((result) => {\n if (isInvalid(rid)) {\n return;\n }\n\n if (result.length < bufferSize) {\n buffer.bof = true;\n // log 'bof is reached'\n }\n\n if (result.length > 0) {\n if (buffer.length) {\n viewport.clipBottom();\n }\n buffer.prepend(result);\n }\n\n adjustBufferAfterFetch(rid);\n });\n }\n }\n }\n\n function resizeAndScrollHandler() {\n if (!$rootScope.$$phase && !adapter.isLoading && !adapter.disabled) {\n\n enqueueFetch(ridActual);\n\n if (pending.length) {\n unbindEvents();\n } else {\n adapter.calculateProperties();\n !$scope.$$phase && $scope.$digest();\n }\n }\n }\n\n function wheelHandler(event) {\n if (!adapter.disabled) {\n let scrollTop = viewport[0].scrollTop;\n let yMax = viewport[0].scrollHeight - viewport[0].clientHeight;\n\n if ((scrollTop === 0 && !buffer.bof) || (scrollTop === yMax && !buffer.eof)) {\n event.preventDefault();\n }\n }\n }\n }\n\n }\n ]);\n\n\n// WEBPACK FOOTER //\n// ./src/ui-scroll.js"],"sourceRoot":""} \ No newline at end of file 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exports\n \treturn __webpack_require__(__webpack_require__.s = 7);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap a80a038c57c3ae0e92df","function getCtrlOnData(attr, element) {\r\n let onSyntax = attr.match(/^(.+)(\\s+on\\s+)(.+)?/);\r\n if (onSyntax && onSyntax.length === 4) {\r\n window.console.log('Angular ui-scroll adapter assignment warning. \"Controller On\" syntax has been deprecated since ui-scroll v1.6.1.');\r\n let ctrl = onSyntax[3];\r\n let tail = onSyntax[1];\r\n let candidate = element;\r\n while (candidate.length) {\r\n let candidateScope = candidate.scope(); // doesn't work when debugInfoEnabled flag = true\r\n let candidateName = (candidate.attr('ng-controller') || '').match(/(\\w(?:\\w|\\d)*)(?:\\s+as\\s+(\\w(?:\\w|\\d)*))?/);\r\n if (candidateName && candidateName[1] === ctrl) {\r\n return {\r\n target: candidateScope,\r\n source: tail\r\n };\r\n }\r\n candidate = candidate.parent();\r\n }\r\n throw new Error('Angular ui-scroll adapter assignment error. Failed to locate target controller \"' + ctrl + '\" to inject \"' + tail + '\"');\r\n }\r\n}\r\n\r\nclass Adapter {\r\n\r\n constructor(viewport, buffer, adjustBuffer, reload, $attr, $parse, element, $scope) {\r\n this.viewport = viewport;\r\n this.buffer = buffer;\r\n this.adjustBuffer = adjustBuffer;\r\n this.reload = reload;\r\n\r\n this.isLoading = false;\r\n this.disabled = false;\r\n\r\n const viewportScope = viewport.getScope();\r\n this.startScope = viewportScope.$parent ? viewportScope : $scope;\r\n\r\n this.publicContext = {};\r\n this.assignAdapter($attr.adapter, $parse, element);\r\n this.generatePublicContext($attr, $parse);\r\n }\r\n\r\n assignAdapter(adapterAttr, $parse, element) {\r\n if (!adapterAttr || !(adapterAttr = adapterAttr.replace(/^\\s+|\\s+$/gm, ''))) {\r\n return;\r\n }\r\n let ctrlOnData = getCtrlOnData(adapterAttr, element);\r\n let adapterOnScope;\r\n\r\n try {\r\n if (ctrlOnData) { // \"Controller On\", deprecated since v1.6.1\r\n $parse(ctrlOnData.source).assign(ctrlOnData.target, {});\r\n adapterOnScope = $parse(ctrlOnData.source)(ctrlOnData.target);\r\n }\r\n else {\r\n $parse(adapterAttr).assign(this.startScope, {});\r\n adapterOnScope = $parse(adapterAttr)(this.startScope);\r\n }\r\n }\r\n catch (error) {\r\n error.message = `Angular ui-scroll Adapter assignment exception.\\n` +\r\n `Can't parse \"${adapterAttr}\" expression.\\n` +\r\n error.message;\r\n throw error;\r\n }\r\n\r\n angular.extend(adapterOnScope, this.publicContext);\r\n this.publicContext = adapterOnScope;\r\n }\r\n\r\n generatePublicContext($attr, $parse) {\r\n // these methods will be accessible out of ui-scroll via user defined adapter\r\n const publicMethods = ['reload', 'applyUpdates', 'append', 'prepend', 'isBOF', 'isEOF', 'isEmpty'];\r\n for (let i = publicMethods.length - 1; i >= 0; i--) {\r\n this.publicContext[publicMethods[i]] = this[publicMethods[i]].bind(this);\r\n }\r\n\r\n // these read-only props will be accessible out of ui-scroll via user defined adapter\r\n const publicProps = ['isLoading', 'topVisible', 'topVisibleElement', 'topVisibleScope', 'bottomVisible', 'bottomVisibleElement', 'bottomVisibleScope'];\r\n for (let i = publicProps.length - 1; i >= 0; i--) {\r\n let property, attr = $attr[publicProps[i]];\r\n Object.defineProperty(this, publicProps[i], {\r\n get: () => property,\r\n set: (value) => {\r\n property = value;\r\n this.publicContext[publicProps[i]] = value;\r\n if (attr) {\r\n $parse(attr).assign(this.startScope, value);\r\n }\r\n }\r\n });\r\n }\r\n\r\n // non-read-only public property\r\n Object.defineProperty(this.publicContext, 'disabled', {\r\n get: () => this.disabled,\r\n set: (value) => (!(this.disabled = value)) ? this.adjustBuffer() : null\r\n });\r\n }\r\n\r\n loading(value) {\r\n this['isLoading'] = value;\r\n }\r\n\r\n isBOF() {\r\n return this.buffer.bof;\r\n }\r\n\r\n isEOF() {\r\n return this.buffer.eof;\r\n }\r\n\r\n isEmpty() {\r\n return !this.buffer.length;\r\n }\r\n\r\n applyUpdates(arg1, arg2) {\r\n if (angular.isFunction(arg1)) {\r\n // arg1 is the updater function, arg2 is ignored\r\n this.buffer.slice(0).forEach((wrapper) => {\r\n // we need to do it on the buffer clone, because buffer content\r\n // may change as we iterate through\r\n this.applyUpdate(wrapper, arg1(wrapper.item, wrapper.scope, wrapper.element));\r\n });\r\n } else {\r\n // arg1 is item index, arg2 is the newItems array\r\n if (arg1 % 1 !== 0) {// checking if it is an integer\r\n throw new Error('applyUpdates - ' + arg1 + ' is not a valid index');\r\n }\r\n\r\n const index = arg1 - this.buffer.first;\r\n if ((index >= 0 && index < this.buffer.length)) {\r\n this.applyUpdate(this.buffer[index], arg2);\r\n }\r\n }\r\n\r\n this.adjustBuffer();\r\n }\r\n\r\n append(newItems) {\r\n this.buffer.append(newItems);\r\n this.adjustBuffer();\r\n this.viewport.clipTop();\r\n this.viewport.clipBottom();\r\n }\r\n\r\n prepend(newItems) {\r\n this.buffer.prepend(newItems);\r\n this.adjustBuffer();\r\n this.viewport.clipTop();\r\n this.viewport.clipBottom();\r\n }\r\n\r\n calculateProperties() {\r\n let rowTop = null, topHeight = 0;\r\n let topDone = false, bottomDone = false;\r\n const length = this.buffer.length;\r\n\r\n for (let i = 0; i < length; i++) {\r\n const item = this.buffer[i];\r\n const itemTop = item.element.offset().top;\r\n\r\n if (rowTop !== itemTop) { // a new row condition\r\n const itemHeight = item.element.outerHeight(true);\r\n const top = this.viewport.topDataPos() + topHeight + itemHeight;\r\n\r\n if (!topDone && top > this.viewport.topVisiblePos()) {\r\n topDone = true;\r\n this['topVisible'] = item.item;\r\n this['topVisibleElement'] = item.element;\r\n this['topVisibleScope'] = item.scope;\r\n }\r\n\r\n if (!bottomDone && (top >= this.viewport.bottomVisiblePos() || (i === length - 1 && this.isEOF()))) {\r\n bottomDone = true;\r\n this['bottomVisible'] = item.item;\r\n this['bottomVisibleElement'] = item.element;\r\n this['bottomVisibleScope'] = item.scope;\r\n }\r\n topHeight += itemHeight;\r\n }\r\n\r\n rowTop = itemTop;\r\n\r\n if (topDone && bottomDone) {\r\n break;\r\n }\r\n }\r\n }\r\n\r\n applyUpdate(wrapper, newItems) {\r\n if (!angular.isArray(newItems)) {\r\n return;\r\n }\r\n\r\n let position = (this.buffer.indexOf(wrapper));\r\n if (!newItems.reverse().some((newItem) => newItem === wrapper.item)) {\r\n wrapper.op = 'remove';\r\n if(position === 0 && !newItems.length) {\r\n wrapper._op = 'isTop'; // to catch \"first\" edge case on remove\r\n }\r\n }\r\n\r\n newItems.forEach((newItem) => {\r\n if (newItem === wrapper.item) {\r\n position--;\r\n } else {\r\n // 3 parameter (isTop) is to catch \"first\" edge case on insert\r\n this.buffer.insert(position + 1, newItem, position === -1);\r\n }\r\n });\r\n }\r\n\r\n}\r\n\r\nexport default Adapter;\n\n\n// WEBPACK FOOTER //\n// ./src/modules/adapter.js","export default function ScrollBuffer(elementRoutines, bufferSize) {\r\n const buffer = Object.create(Array.prototype);\r\n\r\n angular.extend(buffer, {\r\n size: bufferSize,\r\n\r\n reset(startIndex) {\r\n buffer.remove(0, buffer.length);\r\n buffer.eof = false;\r\n buffer.bof = false;\r\n buffer.first = startIndex;\r\n buffer.next = startIndex;\r\n buffer.minIndex = startIndex;\r\n buffer.maxIndex = startIndex;\r\n buffer.minIndexUser = null;\r\n buffer.maxIndexUser = null;\r\n },\r\n\r\n append(items) {\r\n items.forEach((item) => {\r\n ++buffer.next;\r\n buffer.insert('append', item);\r\n });\r\n buffer.maxIndex = buffer.eof ? buffer.next - 1 : Math.max(buffer.next - 1, buffer.maxIndex);\r\n },\r\n\r\n prepend(items) {\r\n items.reverse().forEach((item) => {\r\n --buffer.first;\r\n buffer.insert('prepend', item);\r\n });\r\n buffer.minIndex = buffer.bof ? buffer.minIndex = buffer.first : Math.min(buffer.first, buffer.minIndex);\r\n },\r\n\r\n /**\r\n * inserts wrapped element in the buffer\r\n * the first argument is either operation keyword (see below) or a number for operation 'insert'\r\n * for insert the number is the index for the buffer element the new one have to be inserted after\r\n * operations: 'append', 'prepend', 'insert', 'remove', 'update', 'none'\r\n */\r\n insert(operation, item, isTop) {\r\n const wrapper = {\r\n item: item\r\n };\r\n\r\n if (operation % 1 === 0) {// it is an insert\r\n wrapper.op = 'insert';\r\n buffer.splice(operation, 0, wrapper);\r\n if(isTop) {\r\n buffer.first--;\r\n }\r\n else {\r\n buffer.next++;\r\n }\r\n } else {\r\n wrapper.op = operation;\r\n switch (operation) {\r\n case 'append':\r\n buffer.push(wrapper);\r\n break;\r\n case 'prepend':\r\n buffer.unshift(wrapper);\r\n break;\r\n }\r\n }\r\n },\r\n\r\n // removes elements from buffer\r\n remove(arg1, arg2) {\r\n if (angular.isNumber(arg1)) {\r\n // removes items from arg1 (including) through arg2 (excluding)\r\n for (let i = arg1; i < arg2; i++) {\r\n elementRoutines.removeElement(buffer[i]);\r\n }\r\n\r\n return buffer.splice(arg1, arg2 - arg1);\r\n }\r\n // removes single item(wrapper) from the buffer\r\n buffer.splice(buffer.indexOf(arg1), 1);\r\n if(arg1._op === 'isTop') {\r\n buffer.first++;\r\n }\r\n else {\r\n buffer.next--;\r\n }\r\n if(!buffer.length) {\r\n buffer.first = 1;\r\n buffer.next = 1;\r\n }\r\n\r\n return elementRoutines.removeElementAnimated(arg1);\r\n },\r\n\r\n effectiveHeight(elements) {\r\n if (!elements.length) {\r\n return 0;\r\n }\r\n let top = Number.MAX_VALUE;\r\n let bottom = Number.NEGATIVE_INFINITY;\r\n elements.forEach((wrapper) => {\r\n if (wrapper.element[0].offsetParent) {\r\n // element style is not display:none\r\n top = Math.min(top, wrapper.element.offset().top);\r\n bottom = Math.max(bottom, wrapper.element.offset().top + wrapper.element.outerHeight(true));\r\n }\r\n });\r\n return Math.max(0, bottom - top);\r\n }\r\n\r\n });\r\n\r\n return buffer;\r\n}\n\n\n// WEBPACK FOOTER //\n// ./src/modules/buffer.js","const hideClassToken = 'ng-ui-scroll-hide';\r\n\r\nfunction addCSSRule(sheet, selector, rules, index) {\r\n if('insertRule' in sheet) {\r\n sheet.insertRule(selector + '{' + rules + '}', index);\r\n }\r\n else if('addRule' in sheet) {\r\n sheet.addRule(selector, rules, index);\r\n }\r\n}\r\n\r\nexport default class ElementRoutines {\r\n\r\n constructor($injector, $q) {\r\n this.$animate = ($injector.has && $injector.has('$animate')) ? $injector.get('$animate') : null;\r\n this.isAngularVersionLessThen1_3 = angular.version.major === 1 && angular.version.minor < 3;\r\n this.$q = $q;\r\n addCSSRule(document.styleSheets[0], '.' + hideClassToken, 'display: none');\r\n }\r\n\r\n hideElement(wrapper) {\r\n wrapper.element.addClass(hideClassToken);\r\n }\r\n\r\n showElement(wrapper) {\r\n wrapper.element.removeClass(hideClassToken);\r\n }\r\n\r\n insertElement(newElement, previousElement) {\r\n previousElement.after(newElement);\r\n return [];\r\n }\r\n\r\n removeElement(wrapper) {\r\n wrapper.element.remove();\r\n wrapper.scope.$destroy();\r\n return [];\r\n }\r\n\r\n insertElementAnimated(newElement, previousElement) {\r\n if (!this.$animate) {\r\n return this.insertElement(newElement, previousElement);\r\n }\r\n\r\n if (this.isAngularVersionLessThen1_3) {\r\n const deferred = this.$q.defer();\r\n // no need for parent - previous element is never null\r\n this.$animate.enter(newElement, null, previousElement, () => deferred.resolve());\r\n\r\n return [deferred.promise];\r\n }\r\n\r\n // no need for parent - previous element is never null\r\n return [this.$animate.enter(newElement, null, previousElement)];\r\n }\r\n\r\n removeElementAnimated(wrapper) {\r\n if (!this.$animate) {\r\n return this.removeElement(wrapper);\r\n }\r\n\r\n if (this.isAngularVersionLessThen1_3) {\r\n const deferred = this.$q.defer();\r\n this.$animate.leave(wrapper.element, () => {\r\n wrapper.scope.$destroy();\r\n return deferred.resolve();\r\n });\r\n\r\n return [deferred.promise];\r\n }\r\n\r\n return [(this.$animate.leave(wrapper.element)).then(() => wrapper.scope.$destroy())];\r\n }\r\n}\n\n\n// WEBPACK FOOTER //\n// ./src/modules/elementRoutines.js","/*!\r\n globals: angular, window\r\n List of used element methods available in JQuery but not in JQuery Lite\r\n element.before(elem)\r\n element.height()\r\n element.outerHeight(true)\r\n element.height(value) = only for Top/Bottom padding elements\r\n element.scrollTop()\r\n element.scrollTop(value)\r\n */\r\n\r\nexport default class JQLiteExtras {\r\n\r\n registerFor(element) {\r\n let convertToPx, css, getStyle, isWindow;\r\n // angular implementation blows up if elem is the window\r\n css = angular.element.prototype.css;\r\n\r\n element.prototype.css = function (name, value) {\r\n let self = this;\r\n let elem = self[0];\r\n if (!(!elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style)) {\r\n return css.call(self, name, value);\r\n }\r\n };\r\n\r\n // as defined in angularjs v1.0.5\r\n isWindow = (obj) => obj && obj.document && obj.location && obj.alert && obj.setInterval;\r\n\r\n function scrollTo(self, direction, value) {\r\n let elem = self[0];\r\n let [method, prop, preserve] = {\r\n top: [\r\n 'scrollTop',\r\n 'pageYOffset',\r\n 'scrollLeft'\r\n ],\r\n left: [\r\n 'scrollLeft',\r\n 'pageXOffset',\r\n 'scrollTop'\r\n ]\r\n }[direction];\r\n\r\n if (isWindow(elem)) {\r\n if (angular.isDefined(value)) {\r\n return elem.scrollTo(self[preserve].call(self), value);\r\n }\r\n return (prop in elem) ? elem[prop] : elem.document.documentElement[method];\r\n } else {\r\n if (angular.isDefined(value)) {\r\n elem[method] = value;\r\n }\r\n return elem[method];\r\n }\r\n }\r\n\r\n if (window.getComputedStyle) {\r\n getStyle = (elem) => window.getComputedStyle(elem, null);\r\n convertToPx = (elem, value) => parseFloat(value);\r\n } else {\r\n getStyle = (elem) => elem.currentStyle;\r\n convertToPx = (elem, value) => {\r\n let left, result, rs, rsLeft, style;\r\n let core_pnum = /[+-]?(?:\\d*\\.|)\\d+(?:[eE][+-]?\\d+|)/.source;\r\n let rnumnonpx = new RegExp('^(' + core_pnum + ')(?!px)[a-z%]+$', 'i');\r\n\r\n if (!rnumnonpx.test(value)) {\r\n return parseFloat(value);\r\n }\r\n\r\n // ported from JQuery\r\n style = elem.style;\r\n left = style.left;\r\n rs = elem.runtimeStyle;\r\n rsLeft = rs && rs.left;\r\n if (rs) {\r\n rs.left = style.left;\r\n }\r\n // put in the new values to get a computed style out\r\n style.left = value;\r\n result = style.pixelLeft;\r\n style.left = left;\r\n if (rsLeft) {\r\n rs.left = rsLeft;\r\n }\r\n return result;\r\n };\r\n }\r\n\r\n function getMeasurements(elem, measure) {\r\n let base, borderA, borderB, computedMarginA, computedMarginB, computedStyle, dirA, dirB, marginA, marginB, paddingA, paddingB;\r\n\r\n if (isWindow(elem)) {\r\n base = document.documentElement[{height: 'clientHeight', width: 'clientWidth'}[measure]];\r\n\r\n return {\r\n base: base,\r\n padding: 0,\r\n border: 0,\r\n margin: 0\r\n };\r\n }\r\n\r\n // Start with offset property\r\n [\r\n base,\r\n dirA,\r\n dirB\r\n ] = {\r\n width: [\r\n elem.offsetWidth,\r\n 'Left',\r\n 'Right'\r\n ],\r\n height: [\r\n elem.offsetHeight,\r\n 'Top',\r\n 'Bottom'\r\n ]\r\n }[measure];\r\n\r\n computedStyle = getStyle(elem);\r\n paddingA = convertToPx(elem, computedStyle['padding' + dirA]) || 0;\r\n paddingB = convertToPx(elem, computedStyle['padding' + dirB]) || 0;\r\n borderA = convertToPx(elem, computedStyle['border' + dirA + 'Width']) || 0;\r\n borderB = convertToPx(elem, computedStyle['border' + dirB + 'Width']) || 0;\r\n computedMarginA = computedStyle['margin' + dirA];\r\n computedMarginB = computedStyle['margin' + dirB];\r\n\r\n // I do not care for width for now, so this hack is irrelevant\r\n // if ( !supportsPercentMargin )\r\n // computedMarginA = hackPercentMargin( elem, computedStyle, computedMarginA )\r\n // computedMarginB = hackPercentMargin( elem, computedStyle, computedMarginB )\r\n marginA = convertToPx(elem, computedMarginA) || 0;\r\n marginB = convertToPx(elem, computedMarginB) || 0;\r\n\r\n return {\r\n base: base,\r\n padding: paddingA + paddingB,\r\n border: borderA + borderB,\r\n margin: marginA + marginB\r\n };\r\n }\r\n\r\n function getWidthHeight(elem, direction, measure) {\r\n let computedStyle, result;\r\n\r\n let measurements = getMeasurements(elem, direction);\r\n\r\n if (measurements.base > 0) {\r\n return {\r\n base: measurements.base - measurements.padding - measurements.border,\r\n outer: measurements.base,\r\n outerfull: measurements.base + measurements.margin\r\n }[measure];\r\n }\r\n\r\n // Fall back to computed then uncomputed css if necessary\r\n computedStyle = getStyle(elem);\r\n result = computedStyle[direction];\r\n\r\n if (result < 0 || result === null) {\r\n result = elem.style[direction] || 0;\r\n }\r\n\r\n // Normalize \"\", auto, and prepare for extra\r\n result = parseFloat(result) || 0;\r\n\r\n return {\r\n base: result - measurements.padding - measurements.border,\r\n outer: result,\r\n outerfull: result + measurements.padding + measurements.border + measurements.margin\r\n }[measure];\r\n }\r\n\r\n // define missing methods\r\n return angular.forEach({\r\n before(newElem) {\r\n var children, elem, i, j, parent, ref, self;\r\n self = this;\r\n elem = self[0];\r\n parent = self.parent();\r\n children = parent.contents();\r\n if (children[0] === elem) {\r\n return parent.prepend(newElem);\r\n } else {\r\n for (i = j = 1, ref = children.length - 1; 1 <= ref ? j <= ref : j >= ref; i = 1 <= ref ? ++j : --j) {\r\n if (children[i] === elem) {\r\n angular.element(children[i - 1]).after(newElem);\r\n return;\r\n }\r\n }\r\n throw new Error('invalid DOM structure ' + elem.outerHTML);\r\n }\r\n },\r\n height (value){\r\n var self;\r\n self = this;\r\n if (angular.isDefined(value)) {\r\n if (angular.isNumber(value)) {\r\n value = value + 'px';\r\n }\r\n return css.call(self, 'height', value);\r\n } else {\r\n return getWidthHeight(this[0], 'height', 'base');\r\n }\r\n },\r\n outerHeight(option) {\r\n return getWidthHeight(this[0], 'height', option ? 'outerfull' : 'outer');\r\n },\r\n outerWidth(option) {\r\n return getWidthHeight(this[0], 'width', option ? 'outerfull' : 'outer');\r\n },\r\n\r\n /*\r\n The offset setter method is not implemented\r\n */\r\n offset(value) {\r\n let docElem, win;\r\n let self = this;\r\n let box = {\r\n top: 0,\r\n left: 0\r\n };\r\n let elem = self[0];\r\n let doc = elem && elem.ownerDocument;\r\n\r\n if (arguments.length) {\r\n if (value === undefined) {\r\n return self;\r\n }\r\n // TODO: implement setter\r\n throw new Error('offset setter method is not implemented');\r\n }\r\n\r\n if (!doc) {\r\n return;\r\n }\r\n\r\n docElem = doc.documentElement;\r\n\r\n // TODO: Make sure it's not a disconnected DOM node\r\n\r\n if (elem.getBoundingClientRect != null) {\r\n box = elem.getBoundingClientRect();\r\n }\r\n\r\n win = doc.defaultView || doc.parentWindow;\r\n\r\n return {\r\n top: box.top + (win.pageYOffset || docElem.scrollTop) - (docElem.clientTop || 0),\r\n left: box.left + (win.pageXOffset || docElem.scrollLeft) - (docElem.clientLeft || 0)\r\n };\r\n },\r\n scrollTop(value) {\r\n return scrollTo(this, 'top', value);\r\n },\r\n scrollLeft(value) {\r\n return scrollTo(this, 'left', value);\r\n }\r\n }, (value, key) => {\r\n if (!element.prototype[key]) {\r\n return element.prototype[key] = value;\r\n }\r\n });\r\n }\r\n\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/modules/jqLiteExtras.js","import Padding from './padding';\r\n\r\nexport default function Viewport(elementRoutines, buffer, element, viewportController, $rootScope, padding) {\r\n let topPadding = null;\r\n let bottomPadding = null;\r\n const viewport = viewportController && viewportController.viewport ? viewportController.viewport : angular.element(window);\r\n const container = viewportController && viewportController.container ? viewportController.container : undefined;\r\n const scope = viewportController && viewportController.scope ? viewportController.scope : $rootScope;\r\n\r\n viewport.css({\r\n 'overflow-anchor': 'none',\r\n 'overflow-y': 'auto',\r\n 'display': 'block'\r\n });\r\n\r\n function bufferPadding() {\r\n return viewport.outerHeight() * padding; // some extra space to initiate preload\r\n }\r\n\r\n angular.extend(viewport, {\r\n getScope() {\r\n return scope;\r\n },\r\n\r\n createPaddingElements(template) {\r\n topPadding = new Padding(template);\r\n bottomPadding = new Padding(template);\r\n element.before(topPadding);\r\n element.after(bottomPadding);\r\n },\r\n\r\n applyContainerStyle() {\r\n if (container && container !== viewport) {\r\n viewport.css('height', window.getComputedStyle(container[0]).height);\r\n }\r\n },\r\n\r\n bottomDataPos() {\r\n let scrollHeight = viewport[0].scrollHeight;\r\n scrollHeight = scrollHeight != null ? scrollHeight : viewport[0].document.documentElement.scrollHeight;\r\n return scrollHeight - bottomPadding.height();\r\n },\r\n\r\n topDataPos() {\r\n return topPadding.height();\r\n },\r\n\r\n bottomVisiblePos() {\r\n return viewport.scrollTop() + viewport.outerHeight();\r\n },\r\n\r\n topVisiblePos() {\r\n return viewport.scrollTop();\r\n },\r\n\r\n insertElement(e, sibling) {\r\n return elementRoutines.insertElement(e, sibling || topPadding);\r\n },\r\n\r\n insertElementAnimated(e, sibling) {\r\n return elementRoutines.insertElementAnimated(e, sibling || topPadding);\r\n },\r\n\r\n shouldLoadBottom() {\r\n return !buffer.eof && viewport.bottomDataPos() < viewport.bottomVisiblePos() + bufferPadding();\r\n },\r\n\r\n clipBottom() {\r\n // clip the invisible items off the bottom\r\n let overage = 0;\r\n let overageHeight = 0;\r\n let itemHeight = 0;\r\n let emptySpaceHeight = viewport.bottomDataPos() - viewport.bottomVisiblePos() - bufferPadding();\r\n\r\n for (let i = buffer.length - 1; i >= 0; i--) {\r\n itemHeight = buffer[i].element.outerHeight(true);\r\n if (overageHeight + itemHeight > emptySpaceHeight) {\r\n break;\r\n }\r\n bottomPadding.cache.add(buffer[i]);\r\n overageHeight += itemHeight;\r\n overage++;\r\n }\r\n\r\n if (overage > 0) {\r\n buffer.eof = false;\r\n buffer.remove(buffer.length - overage, buffer.length);\r\n buffer.next -= overage;\r\n viewport.adjustPaddings();\r\n }\r\n },\r\n\r\n shouldLoadTop() {\r\n return !buffer.bof && (viewport.topDataPos() > viewport.topVisiblePos() - bufferPadding());\r\n },\r\n\r\n clipTop() {\r\n // clip the invisible items off the top\r\n let overage = 0;\r\n let overageHeight = 0;\r\n let itemHeight = 0;\r\n let emptySpaceHeight = viewport.topVisiblePos() - viewport.topDataPos() - bufferPadding();\r\n\r\n for (let i = 0; i < buffer.length; i++) {\r\n itemHeight = buffer[i].element.outerHeight(true);\r\n if (overageHeight + itemHeight > emptySpaceHeight) {\r\n break;\r\n }\r\n topPadding.cache.add(buffer[i]);\r\n overageHeight += itemHeight;\r\n overage++;\r\n }\r\n\r\n if (overage > 0) {\r\n // we need to adjust top padding element before items are removed from top\r\n // to avoid strange behaviour of scroll bar during remove top items when we are at the very bottom\r\n topPadding.height(topPadding.height() + overageHeight);\r\n buffer.bof = false;\r\n buffer.remove(0, overage);\r\n buffer.first += overage;\r\n }\r\n },\r\n\r\n adjustPaddings() {\r\n if (!buffer.length) {\r\n return;\r\n }\r\n\r\n // precise heights calculation, items that were in buffer once\r\n let topPaddingHeight = topPadding.cache.reduce((summ, item) => summ + (item.index < buffer.first ? item.height : 0), 0);\r\n let bottomPaddingHeight = bottomPadding.cache.reduce((summ, item) => summ + (item.index >= buffer.next ? item.height : 0), 0);\r\n\r\n // average item height based on buffer data\r\n let visibleItemsHeight = buffer.reduce((summ, item) => summ + item.element.outerHeight(true), 0);\r\n let averageItemHeight = (visibleItemsHeight + topPaddingHeight + bottomPaddingHeight) / (buffer.maxIndex - buffer.minIndex + 1);\r\n\r\n // average heights calculation, items that have never been reached\r\n let adjustTopPadding = buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser;\r\n let adjustBottomPadding = buffer.maxIndexUser !== null && buffer.maxIndex < buffer.maxIndexUser;\r\n let topPaddingHeightAdd = adjustTopPadding ? (buffer.minIndex - buffer.minIndexUser) * averageItemHeight : 0;\r\n let bottomPaddingHeightAdd = adjustBottomPadding ? (buffer.maxIndexUser - buffer.maxIndex) * averageItemHeight : 0;\r\n\r\n // paddings combine adjustment\r\n topPadding.height(topPaddingHeight + topPaddingHeightAdd);\r\n bottomPadding.height(bottomPaddingHeight + bottomPaddingHeightAdd);\r\n },\r\n\r\n onAfterMinIndexSet(topPaddingHeightOld) {\r\n // additional scrollTop adjustment in case of datasource.minIndex external set\r\n if (buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser) {\r\n let diff = topPadding.height() - topPaddingHeightOld;\r\n viewport.scrollTop(viewport.scrollTop() + diff);\r\n diff -= viewport.scrollTop();\r\n if(diff > 0) {\r\n bottomPadding.height(bottomPadding.height() + diff);\r\n viewport.scrollTop(viewport.scrollTop() + diff);\r\n }\r\n }\r\n },\r\n\r\n onAfterPrepend(updates) {\r\n if (!updates.prepended.length)\r\n return;\r\n const height = buffer.effectiveHeight(updates.prepended);\r\n const paddingHeight = topPadding.height() - height;\r\n if (paddingHeight >= 0) {\r\n topPadding.height(paddingHeight);\r\n }\r\n else {\r\n topPadding.height(0);\r\n viewport.scrollTop(viewport.scrollTop() - paddingHeight);\r\n }\r\n },\r\n\r\n resetTopPadding() {\r\n topPadding.height(0);\r\n topPadding.cache.clear();\r\n },\r\n\r\n resetBottomPadding() {\r\n bottomPadding.height(0);\r\n bottomPadding.cache.clear();\r\n },\r\n\r\n removeItem(item) {\r\n topPadding.cache.remove(item);\r\n bottomPadding.cache.remove(item);\r\n return buffer.remove(item);\r\n }\r\n });\r\n\r\n return viewport;\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/modules/viewport.js","// Can't just extend the Array, due to Babel does not support built-in classes extending\r\n// This solution was taken from https://stackoverflow.com/questions/46897414/es6-class-extends-array-workaround-for-es5-babel-transpile\r\nclass CacheProto {\r\n add(item) {\r\n for (let i = this.length - 1; i >= 0; i--) {\r\n if (this[i].index === item.scope.$index) {\r\n this[i].height = item.element.outerHeight();\r\n return;\r\n }\r\n }\r\n this.push({\r\n index: item.scope.$index,\r\n height: item.element.outerHeight()\r\n });\r\n this.sort((a, b) => ((a.index < b.index) ? -1 : ((a.index > b.index) ? 1 : 0)));\r\n }\r\n\r\n remove(itemToRemove) {\r\n for (let i = this.length - 1; i >= 0; i--) {\r\n if (this[i].index === itemToRemove.scope.$index) {\r\n this.splice(i, 1);\r\n break;\r\n }\r\n }\r\n if(itemToRemove._op !== 'isTop') {\r\n for (let i = this.length - 1; i >= 0; i--) {\r\n if (this[i].index > itemToRemove.scope.$index) {\r\n this[i].index--;\r\n }\r\n }\r\n }\r\n }\r\n\r\n clear() {\r\n this.length = 0;\r\n }\r\n}\r\n\r\nfunction Cache() {\r\n const instance = [];\r\n instance.push.apply(instance, arguments);\r\n Object.setPrototypeOf(instance, Cache.prototype);\r\n return instance;\r\n}\r\nCache.prototype = Object.create(Array.prototype);\r\nObject.getOwnPropertyNames(CacheProto.prototype).forEach(methodName =>\r\n Cache.prototype[methodName] = CacheProto.prototype[methodName]\r\n);\r\n\r\nexport default function Padding(template) {\r\n let result;\r\n\r\n if(template.nodeType !== Node.ELEMENT_NODE) {\r\n throw new Error('ui-scroll directive requires an Element node for templating the view');\r\n }\r\n\r\n switch (template.tagName.toLowerCase()) {\r\n case 'dl':\r\n throw new Error(`ui-scroll directive does not support <${template.tagName}> as a repeating tag: ${template.outerHTML}`);\r\n case 'tr':\r\n let table = angular.element('
    ');\r\n result = table.find('tr');\r\n break;\r\n case 'li':\r\n result = angular.element('
  • ');\r\n break;\r\n default:\r\n result = angular.element('
    ');\r\n }\r\n\r\n result.cache = new Cache();\r\n\r\n return result;\r\n}\n\n\n// WEBPACK FOOTER //\n// ./src/modules/padding.js","import JQLiteExtras from './modules/jqLiteExtras';\r\nimport ElementRoutines from './modules/elementRoutines.js';\r\nimport ScrollBuffer from './modules/buffer.js';\r\nimport Viewport from './modules/viewport.js';\r\nimport Adapter from './modules/adapter.js';\r\n\r\nangular.module('ui.scroll', [])\r\n\r\n .service('jqLiteExtras', () => new JQLiteExtras())\r\n .run(['jqLiteExtras', (jqLiteExtras) =>\r\n !window.jQuery ? jqLiteExtras.registerFor(angular.element) : null\r\n ])\r\n\r\n .directive('uiScrollViewport', function () {\r\n return {\r\n restrict: 'A',\r\n controller: [\r\n '$scope',\r\n '$element',\r\n function (scope, element) {\r\n this.container = element;\r\n this.viewport = element;\r\n this.scope = scope;\r\n\r\n angular.forEach(element.children(), (child => {\r\n if (child.tagName.toLowerCase() === 'tbody') {\r\n this.viewport = angular.element(child);\r\n }\r\n }));\r\n\r\n return this;\r\n }\r\n ]\r\n };\r\n })\r\n\r\n .directive('uiScroll', [\r\n '$log',\r\n '$injector',\r\n '$rootScope',\r\n '$timeout',\r\n '$q',\r\n '$parse',\r\n function (console, $injector, $rootScope, $timeout, $q, $parse) {\r\n\r\n return {\r\n require: ['?^uiScrollViewport'],\r\n restrict: 'A',\r\n transclude: 'element',\r\n priority: 1000,\r\n terminal: true,\r\n link: link\r\n };\r\n\r\n function link($scope, element, $attr, controllers, linker) {\r\n const match = $attr.uiScroll.match(/^\\s*(\\w+)\\s+in\\s+([(\\w|\\$)\\.]+)\\s*$/);\r\n if (!match) {\r\n throw new Error('Expected uiScroll in form of \\'_item_ in _datasource_\\' but got \\'' + $attr.uiScroll + '\\'');\r\n }\r\n\r\n function parseNumericAttr(value, defaultValue) {\r\n let result = $parse(value)($scope);\r\n return isNaN(result) ? defaultValue : result;\r\n }\r\n\r\n const BUFFER_MIN = 3;\r\n const BUFFER_DEFAULT = 10;\r\n const PADDING_MIN = 0.3;\r\n const PADDING_DEFAULT = 0.5;\r\n\r\n let datasource = null;\r\n const itemName = match[1];\r\n const datasourceName = match[2];\r\n const viewportController = controllers[0];\r\n const bufferSize = Math.max(BUFFER_MIN, parseNumericAttr($attr.bufferSize, BUFFER_DEFAULT));\r\n const padding = Math.max(PADDING_MIN, parseNumericAttr($attr.padding, PADDING_DEFAULT));\r\n let startIndex = parseNumericAttr($attr.startIndex, 1);\r\n let ridActual = 0;// current data revision id\r\n let pending = [];\r\n\r\n let elementRoutines = new ElementRoutines($injector, $q);\r\n let buffer = new ScrollBuffer(elementRoutines, bufferSize);\r\n let viewport = new Viewport(elementRoutines, buffer, element, viewportController, $rootScope, padding);\r\n let adapter = new Adapter(viewport, buffer, adjustBuffer, reload, $attr, $parse, element, $scope);\r\n\r\n if (viewportController) {\r\n viewportController.adapter = adapter;\r\n }\r\n\r\n let isDatasourceValid = () => angular.isObject(datasource) && angular.isFunction(datasource.get);\r\n datasource = $parse(datasourceName)($scope); // try to get datasource on scope\r\n if (!isDatasourceValid()) {\r\n datasource = $injector.get(datasourceName); // try to inject datasource as service\r\n if (!isDatasourceValid()) {\r\n throw new Error(datasourceName + ' is not a valid datasource');\r\n }\r\n }\r\n\r\n let onRenderHandlers = [];\r\n function onRenderHandlersRunner() {\r\n if(onRenderHandlers.length) {\r\n angular.forEach(onRenderHandlers, (handler) => handler());\r\n onRenderHandlers = [];\r\n }\r\n }\r\n function preDefineIndexProperty(datasource, propName) {\r\n let getter;\r\n // need to postpone min/maxIndexUser processing if the view is empty\r\n if(datasource.hasOwnProperty(propName) && !buffer.length) {\r\n getter = datasource[propName];\r\n delete datasource[propName];\r\n onRenderHandlers.push(() => datasource[propName] = getter);\r\n }\r\n }\r\n\r\n function defineIndexProperty(datasource, propName, propUserName) {\r\n let descriptor = Object.getOwnPropertyDescriptor(datasource, propName);\r\n if (descriptor && (descriptor.set || descriptor.get)) {\r\n return;\r\n }\r\n let getter;\r\n preDefineIndexProperty(datasource, propName);\r\n Object.defineProperty(datasource, propName, {\r\n set: (value) => {\r\n getter = value;\r\n buffer[propUserName] = value;\r\n let topPaddingHeightOld = viewport.topDataPos();\r\n viewport.adjustPaddings();\r\n if (propName === 'minIndex') {\r\n viewport.onAfterMinIndexSet(topPaddingHeightOld);\r\n }\r\n },\r\n get: () => getter\r\n });\r\n }\r\n\r\n defineIndexProperty(datasource, 'minIndex', 'minIndexUser');\r\n defineIndexProperty(datasource, 'maxIndex', 'maxIndexUser');\r\n\r\n const fetchNext = (datasource.get.length !== 2) ?\r\n (success) => datasource.get(buffer.next, bufferSize, success) :\r\n (success) => {\r\n datasource.get({\r\n index: buffer.next,\r\n append: buffer.length ? buffer[buffer.length - 1].item : void 0,\r\n count: bufferSize\r\n }, success);\r\n };\r\n\r\n const fetchPrevious = (datasource.get.length !== 2) ?\r\n (success) => datasource.get(buffer.first - bufferSize, bufferSize, success) :\r\n (success) => {\r\n datasource.get({\r\n index: buffer.first - bufferSize,\r\n prepend: buffer.length ? buffer[0].item : void 0,\r\n count: bufferSize\r\n }, success);\r\n };\r\n\r\n /**\r\n * Build padding elements\r\n *\r\n * Calling linker is the only way I found to get access to the tag name of the template\r\n * to prevent the directive scope from pollution a new scope is created and destroyed\r\n * right after the builder creation is completed\r\n */\r\n linker((clone, scope) => {\r\n viewport.createPaddingElements(clone[0]);\r\n // we do not include the clone in the DOM. It means that the nested directives will not\r\n // be able to reach the parent directives, but in this case it is intentional because we\r\n // created the clone to access the template tag name\r\n scope.$destroy();\r\n clone.remove();\r\n });\r\n\r\n $scope.$on('$destroy', () => {\r\n unbindEvents();\r\n viewport.unbind('mousewheel', wheelHandler);\r\n });\r\n\r\n viewport.bind('mousewheel', wheelHandler);\r\n\r\n $timeout(() => {\r\n viewport.applyContainerStyle();\r\n reload();\r\n });\r\n\r\n /* Private function definitions */\r\n\r\n function isInvalid(rid) {\r\n return (rid && rid !== ridActual) || $scope.$$destroyed;\r\n }\r\n\r\n function bindEvents() {\r\n viewport.bind('resize', resizeAndScrollHandler);\r\n viewport.bind('scroll', resizeAndScrollHandler);\r\n }\r\n\r\n function unbindEvents() {\r\n viewport.unbind('resize', resizeAndScrollHandler);\r\n viewport.unbind('scroll', resizeAndScrollHandler);\r\n }\r\n\r\n function reload() {\r\n viewport.resetTopPadding();\r\n viewport.resetBottomPadding();\r\n if (arguments.length) {\r\n startIndex = arguments[0];\r\n }\r\n buffer.reset(startIndex);\r\n adjustBuffer();\r\n }\r\n\r\n function isElementVisible(wrapper) {\r\n return wrapper.element.height() && wrapper.element[0].offsetParent;\r\n }\r\n\r\n function visibilityWatcher(wrapper) {\r\n if (isElementVisible(wrapper)) {\r\n buffer.forEach((item) => {\r\n if (angular.isFunction(item.unregisterVisibilityWatcher)) {\r\n item.unregisterVisibilityWatcher();\r\n delete item.unregisterVisibilityWatcher;\r\n }\r\n });\r\n if (!pending.length) {\r\n $timeout(() => adjustBuffer());\r\n }\r\n }\r\n }\r\n\r\n function insertWrapperContent(wrapper, insertAfter) {\r\n createElement(wrapper, insertAfter, viewport.insertElement);\r\n if (!isElementVisible(wrapper)) {\r\n wrapper.unregisterVisibilityWatcher = wrapper.scope.$watch(() => visibilityWatcher(wrapper));\r\n }\r\n elementRoutines.hideElement(wrapper); // hide inserted elements before data binding\r\n }\r\n\r\n function createElement(wrapper, insertAfter, insertElement) {\r\n let promises = null;\r\n let sibling = (insertAfter > 0) ? buffer[insertAfter - 1].element : undefined;\r\n linker((clone, scope) => {\r\n promises = insertElement(clone, sibling);\r\n wrapper.element = clone;\r\n wrapper.scope = scope;\r\n scope[itemName] = wrapper.item;\r\n });\r\n // ui-scroll-grid apply\r\n if (adapter.transform) {\r\n let tdInitializer = wrapper.scope.uiScrollTdInitializer;\r\n if (tdInitializer && tdInitializer.linking) {\r\n adapter.transform(wrapper.scope, wrapper.element);\r\n } else {\r\n wrapper.scope.uiScrollTdInitializer = {\r\n onLink: () => adapter.transform(wrapper.scope, wrapper.element),\r\n scope: wrapper.scope\r\n };\r\n }\r\n }\r\n return promises;\r\n }\r\n\r\n function updateDOM() {\r\n let promises = [];\r\n const toBePrepended = [];\r\n const toBeRemoved = [];\r\n const inserted = [];\r\n\r\n buffer.forEach((wrapper, i) => {\r\n switch (wrapper.op) {\r\n case 'prepend':\r\n toBePrepended.unshift(wrapper);\r\n break;\r\n case 'append':\r\n insertWrapperContent(wrapper, i);\r\n wrapper.op = 'none';\r\n inserted.push(wrapper);\r\n break;\r\n case 'insert':\r\n promises = promises.concat(createElement(wrapper, i, viewport.insertElementAnimated));\r\n wrapper.op = 'none';\r\n inserted.push(wrapper);\r\n break;\r\n case 'remove':\r\n toBeRemoved.push(wrapper);\r\n }\r\n });\r\n\r\n toBeRemoved.forEach((wrapper) => promises = promises.concat(viewport.removeItem(wrapper)));\r\n\r\n if (toBePrepended.length)\r\n toBePrepended.forEach((wrapper) => {\r\n insertWrapperContent(wrapper);\r\n wrapper.op = 'none';\r\n });\r\n\r\n buffer.forEach((item, i) => item.scope.$index = buffer.first + i);\r\n\r\n return {\r\n prepended: toBePrepended,\r\n removed: toBeRemoved,\r\n inserted: inserted,\r\n animated: promises\r\n };\r\n\r\n }\r\n\r\n function updatePaddings(rid, updates) {\r\n // schedule another adjustBuffer after animation completion\r\n if (updates.animated.length) {\r\n $q.all(updates.animated).then(() => {\r\n viewport.adjustPaddings();\r\n adjustBuffer(rid);\r\n });\r\n } else {\r\n viewport.adjustPaddings();\r\n }\r\n }\r\n\r\n function enqueueFetch(rid, updates) {\r\n if (viewport.shouldLoadBottom()) {\r\n if (!updates || buffer.effectiveHeight(updates.inserted) > 0) {\r\n // this means that at least one item appended in the last batch has height > 0\r\n if (pending.push(true) === 1) {\r\n adapter.loading(true);\r\n fetch(rid);\r\n }\r\n }\r\n } else if (viewport.shouldLoadTop()) {\r\n if ((!updates || buffer.effectiveHeight(updates.prepended) > 0) || pending[0]) {\r\n // this means that at least one item appended in the last batch has height > 0\r\n // pending[0] = true means that previous fetch was appending. 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compatibility with non-harmony modules\n/******/ \t__webpack_require__.n = function(module) {\n/******/ \t\tvar getter = module && module.__esModule ?\n/******/ \t\t\tfunction getDefault() { return module['default']; } :\n/******/ \t\t\tfunction getModuleExports() { return module; };\n/******/ \t\t__webpack_require__.d(getter, 'a', getter);\n/******/ \t\treturn getter;\n/******/ \t};\n/******/\n/******/ \t// Object.prototype.hasOwnProperty.call\n/******/ \t__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n/******/\n/******/ \t// __webpack_public_path__\n/******/ \t__webpack_require__.p = \"\";\n/******/\n/******/ \t// Load entry module and return exports\n/******/ \treturn __webpack_require__(__webpack_require__.s = 7);\n/******/ })\n/************************************************************************/\n/******/ ([\n/* 0 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction getCtrlOnData(attr, element) {\n var onSyntax = attr.match(/^(.+)(\\s+on\\s+)(.+)?/);\n if (onSyntax && onSyntax.length === 4) {\n window.console.log('Angular ui-scroll adapter assignment warning. \"Controller On\" syntax has been deprecated since ui-scroll v1.6.1.');\n var ctrl = onSyntax[3];\n var tail = onSyntax[1];\n var candidate = element;\n while (candidate.length) {\n var candidateScope = candidate.scope(); // doesn't work when debugInfoEnabled flag = true\n var candidateName = (candidate.attr('ng-controller') || '').match(/(\\w(?:\\w|\\d)*)(?:\\s+as\\s+(\\w(?:\\w|\\d)*))?/);\n if (candidateName && candidateName[1] === ctrl) {\n return {\n target: candidateScope,\n source: tail\n };\n }\n candidate = candidate.parent();\n }\n throw new Error('Angular ui-scroll adapter assignment error. Failed to locate target controller \"' + ctrl + '\" to inject \"' + tail + '\"');\n }\n}\n\nvar Adapter = function () {\n function Adapter(viewport, buffer, adjustBuffer, reload, $attr, $parse, element, $scope) {\n _classCallCheck(this, Adapter);\n\n this.viewport = viewport;\n this.buffer = buffer;\n this.adjustBuffer = adjustBuffer;\n this.reload = reload;\n\n this.isLoading = false;\n this.disabled = false;\n\n var viewportScope = viewport.getScope();\n this.startScope = viewportScope.$parent ? viewportScope : $scope;\n\n this.publicContext = {};\n this.assignAdapter($attr.adapter, $parse, element);\n this.generatePublicContext($attr, $parse);\n }\n\n _createClass(Adapter, [{\n key: 'assignAdapter',\n value: function assignAdapter(adapterAttr, $parse, element) {\n if (!adapterAttr || !(adapterAttr = adapterAttr.replace(/^\\s+|\\s+$/gm, ''))) {\n return;\n }\n var ctrlOnData = getCtrlOnData(adapterAttr, element);\n var adapterOnScope = void 0;\n\n try {\n if (ctrlOnData) {\n // \"Controller On\", deprecated since v1.6.1\n $parse(ctrlOnData.source).assign(ctrlOnData.target, {});\n adapterOnScope = $parse(ctrlOnData.source)(ctrlOnData.target);\n } else {\n $parse(adapterAttr).assign(this.startScope, {});\n adapterOnScope = $parse(adapterAttr)(this.startScope);\n }\n } catch (error) {\n error.message = 'Angular ui-scroll Adapter assignment exception.\\n' + ('Can\\'t parse \"' + adapterAttr + '\" expression.\\n') + error.message;\n throw error;\n }\n\n angular.extend(adapterOnScope, this.publicContext);\n this.publicContext = adapterOnScope;\n }\n }, {\n key: 'generatePublicContext',\n value: function generatePublicContext($attr, $parse) {\n var _this = this;\n\n // these methods will be accessible out of ui-scroll via user defined adapter\n var publicMethods = ['reload', 'applyUpdates', 'append', 'prepend', 'isBOF', 'isEOF', 'isEmpty'];\n for (var i = publicMethods.length - 1; i >= 0; i--) {\n this.publicContext[publicMethods[i]] = this[publicMethods[i]].bind(this);\n }\n\n // these read-only props will be accessible out of ui-scroll via user defined adapter\n var publicProps = ['isLoading', 'topVisible', 'topVisibleElement', 'topVisibleScope', 'bottomVisible', 'bottomVisibleElement', 'bottomVisibleScope'];\n\n var _loop = function _loop(_i) {\n var property = void 0,\n attr = $attr[publicProps[_i]];\n Object.defineProperty(_this, publicProps[_i], {\n get: function get() {\n return property;\n },\n set: function set(value) {\n property = value;\n _this.publicContext[publicProps[_i]] = value;\n if (attr) {\n $parse(attr).assign(_this.startScope, value);\n }\n }\n });\n };\n\n for (var _i = publicProps.length - 1; _i >= 0; _i--) {\n _loop(_i);\n }\n\n // non-read-only public property\n Object.defineProperty(this.publicContext, 'disabled', {\n get: function get() {\n return _this.disabled;\n },\n set: function set(value) {\n return !(_this.disabled = value) ? _this.adjustBuffer() : null;\n }\n });\n }\n }, {\n key: 'loading',\n value: function loading(value) {\n this['isLoading'] = value;\n }\n }, {\n key: 'isBOF',\n value: function isBOF() {\n return this.buffer.bof;\n }\n }, {\n key: 'isEOF',\n value: function isEOF() {\n return this.buffer.eof;\n }\n }, {\n key: 'isEmpty',\n value: function isEmpty() {\n return !this.buffer.length;\n }\n }, {\n key: 'applyUpdates',\n value: function applyUpdates(arg1, arg2) {\n var _this2 = this;\n\n if (angular.isFunction(arg1)) {\n // arg1 is the updater function, arg2 is ignored\n this.buffer.slice(0).forEach(function (wrapper) {\n // we need to do it on the buffer clone, because buffer content\n // may change as we iterate through\n _this2.applyUpdate(wrapper, arg1(wrapper.item, wrapper.scope, wrapper.element));\n });\n } else {\n // arg1 is item index, arg2 is the newItems array\n if (arg1 % 1 !== 0) {\n // checking if it is an integer\n throw new Error('applyUpdates - ' + arg1 + ' is not a valid index');\n }\n\n var index = arg1 - this.buffer.first;\n if (index >= 0 && index < this.buffer.length) {\n this.applyUpdate(this.buffer[index], arg2);\n }\n }\n\n this.adjustBuffer();\n }\n }, {\n key: 'append',\n value: function append(newItems) {\n this.buffer.append(newItems);\n this.adjustBuffer();\n this.viewport.clipTop();\n this.viewport.clipBottom();\n }\n }, {\n key: 'prepend',\n value: function prepend(newItems) {\n this.buffer.prepend(newItems);\n this.adjustBuffer();\n this.viewport.clipTop();\n this.viewport.clipBottom();\n }\n }, {\n key: 'calculateProperties',\n value: function calculateProperties() {\n var rowTop = null,\n topHeight = 0;\n var topDone = false,\n bottomDone = false;\n var length = this.buffer.length;\n\n for (var i = 0; i < length; i++) {\n var item = this.buffer[i];\n var itemTop = item.element.offset().top;\n\n if (rowTop !== itemTop) {\n // a new row condition\n var itemHeight = item.element.outerHeight(true);\n var top = this.viewport.topDataPos() + topHeight + itemHeight;\n\n if (!topDone && top > this.viewport.topVisiblePos()) {\n topDone = true;\n this['topVisible'] = item.item;\n this['topVisibleElement'] = item.element;\n this['topVisibleScope'] = item.scope;\n }\n\n if (!bottomDone && (top >= this.viewport.bottomVisiblePos() || i === length - 1 && this.isEOF())) {\n bottomDone = true;\n this['bottomVisible'] = item.item;\n this['bottomVisibleElement'] = item.element;\n this['bottomVisibleScope'] = item.scope;\n }\n topHeight += itemHeight;\n }\n\n rowTop = itemTop;\n\n if (topDone && bottomDone) {\n break;\n }\n }\n }\n }, {\n key: 'applyUpdate',\n value: function applyUpdate(wrapper, newItems) {\n var _this3 = this;\n\n if (!angular.isArray(newItems)) {\n return;\n }\n\n var keepIt = void 0;\n var pos = this.buffer.indexOf(wrapper) + 1;\n\n newItems.reverse().forEach(function (newItem) {\n if (newItem === wrapper.item) {\n keepIt = true;\n pos--;\n } else {\n _this3.buffer.insert(pos, newItem);\n }\n });\n\n if (!keepIt) {\n wrapper.op = 'remove';\n }\n }\n }]);\n\n return Adapter;\n}();\n\nexports.default = Adapter;\n\n/***/ }),\n/* 1 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.default = ScrollBuffer;\nfunction ScrollBuffer(elementRoutines, bufferSize) {\n var buffer = Object.create(Array.prototype);\n\n angular.extend(buffer, {\n size: bufferSize,\n\n reset: function reset(startIndex) {\n buffer.remove(0, buffer.length);\n buffer.eof = false;\n buffer.bof = false;\n buffer.first = startIndex;\n buffer.next = startIndex;\n buffer.minIndex = startIndex;\n buffer.maxIndex = startIndex;\n buffer.minIndexUser = null;\n buffer.maxIndexUser = null;\n },\n append: function append(items) {\n items.forEach(function (item) {\n ++buffer.next;\n buffer.insert('append', item);\n });\n buffer.maxIndex = buffer.eof ? buffer.next - 1 : Math.max(buffer.next - 1, buffer.maxIndex);\n },\n prepend: function prepend(items) {\n items.reverse().forEach(function (item) {\n --buffer.first;\n buffer.insert('prepend', item);\n });\n buffer.minIndex = buffer.bof ? buffer.minIndex = buffer.first : Math.min(buffer.first, buffer.minIndex);\n },\n\n\n /**\r\n * inserts wrapped element in the buffer\r\n * the first argument is either operation keyword (see below) or a number for operation 'insert'\r\n * for insert the number is the index for the buffer element the new one have to be inserted after\r\n * operations: 'append', 'prepend', 'insert', 'remove', 'update', 'none'\r\n */\n insert: function insert(operation, item) {\n var wrapper = {\n item: item\n };\n\n if (operation % 1 === 0) {\n // it is an insert\n wrapper.op = 'insert';\n buffer.splice(operation, 0, wrapper);\n } else {\n wrapper.op = operation;\n switch (operation) {\n case 'append':\n buffer.push(wrapper);\n break;\n case 'prepend':\n buffer.unshift(wrapper);\n break;\n }\n }\n },\n\n\n // removes elements from buffer\n remove: function remove(arg1, arg2) {\n if (angular.isNumber(arg1)) {\n // removes items from arg1 (including) through arg2 (excluding)\n for (var i = arg1; i < arg2; i++) {\n elementRoutines.removeElement(buffer[i]);\n }\n\n return buffer.splice(arg1, arg2 - arg1);\n }\n // removes single item(wrapper) from the buffer\n buffer.splice(buffer.indexOf(arg1), 1);\n\n return elementRoutines.removeElementAnimated(arg1);\n },\n effectiveHeight: function effectiveHeight(elements) {\n if (!elements.length) {\n return 0;\n }\n var top = Number.MAX_VALUE;\n var bottom = Number.NEGATIVE_INFINITY;\n elements.forEach(function (wrapper) {\n if (wrapper.element[0].offsetParent) {\n // element style is not display:none\n top = Math.min(top, wrapper.element.offset().top);\n bottom = Math.max(bottom, wrapper.element.offset().top + wrapper.element.outerHeight(true));\n }\n });\n return Math.max(0, bottom - top);\n }\n });\n\n return buffer;\n}\n\n/***/ }),\n/* 2 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nvar ElementRoutines = function () {\n function ElementRoutines($injector, $q) {\n _classCallCheck(this, ElementRoutines);\n\n this.$animate = $injector.has && $injector.has('$animate') ? $injector.get('$animate') : null;\n this.isAngularVersionLessThen1_3 = angular.version.major === 1 && angular.version.minor < 3;\n this.$q = $q;\n }\n\n _createClass(ElementRoutines, [{\n key: 'insertElement',\n value: function insertElement(newElement, previousElement) {\n previousElement.after(newElement);\n return [];\n }\n }, {\n key: 'removeElement',\n value: function removeElement(wrapper) {\n wrapper.element.remove();\n wrapper.scope.$destroy();\n return [];\n }\n }, {\n key: 'insertElementAnimated',\n value: function insertElementAnimated(newElement, previousElement) {\n if (!this.$animate) {\n return this.insertElement(newElement, previousElement);\n }\n\n if (this.isAngularVersionLessThen1_3) {\n var deferred = this.$q.defer();\n // no need for parent - previous element is never null\n this.$animate.enter(newElement, null, previousElement, function () {\n return deferred.resolve();\n });\n\n return [deferred.promise];\n }\n\n // no need for parent - previous element is never null\n return [this.$animate.enter(newElement, null, previousElement)];\n }\n }, {\n key: 'removeElementAnimated',\n value: function removeElementAnimated(wrapper) {\n if (!this.$animate) {\n return this.removeElement(wrapper);\n }\n\n if (this.isAngularVersionLessThen1_3) {\n var deferred = this.$q.defer();\n this.$animate.leave(wrapper.element, function () {\n wrapper.scope.$destroy();\n return deferred.resolve();\n });\n\n return [deferred.promise];\n }\n\n return [this.$animate.leave(wrapper.element).then(function () {\n return wrapper.scope.$destroy();\n })];\n }\n }]);\n\n return ElementRoutines;\n}();\n\nexports.default = ElementRoutines;\n\n/***/ }),\n/* 3 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i[\"return\"]) _i[\"return\"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError(\"Invalid attempt to destructure non-iterable instance\"); } }; }();\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\n/*!\r\n globals: angular, window\r\n List of used element methods available in JQuery but not in JQuery Lite\r\n element.before(elem)\r\n element.height()\r\n element.outerHeight(true)\r\n element.height(value) = only for Top/Bottom padding elements\r\n element.scrollTop()\r\n element.scrollTop(value)\r\n */\n\nvar JQLiteExtras = function () {\n function JQLiteExtras() {\n _classCallCheck(this, JQLiteExtras);\n }\n\n _createClass(JQLiteExtras, [{\n key: 'registerFor',\n value: function registerFor(element) {\n var convertToPx = void 0,\n css = void 0,\n getStyle = void 0,\n isWindow = void 0;\n // angular implementation blows up if elem is the window\n css = angular.element.prototype.css;\n\n element.prototype.css = function (name, value) {\n var self = this;\n var elem = self[0];\n if (!(!elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style)) {\n return css.call(self, name, value);\n }\n };\n\n // as defined in angularjs v1.0.5\n isWindow = function isWindow(obj) {\n return obj && obj.document && obj.location && obj.alert && obj.setInterval;\n };\n\n function scrollTo(self, direction, value) {\n var elem = self[0];\n\n var _top$left$direction = _slicedToArray({\n top: ['scrollTop', 'pageYOffset', 'scrollLeft'],\n left: ['scrollLeft', 'pageXOffset', 'scrollTop']\n }[direction], 3),\n method = _top$left$direction[0],\n prop = _top$left$direction[1],\n preserve = _top$left$direction[2];\n\n if (isWindow(elem)) {\n if (angular.isDefined(value)) {\n return elem.scrollTo(self[preserve].call(self), value);\n }\n return prop in elem ? elem[prop] : elem.document.documentElement[method];\n } else {\n if (angular.isDefined(value)) {\n elem[method] = value;\n }\n return elem[method];\n }\n }\n\n if (window.getComputedStyle) {\n getStyle = function getStyle(elem) {\n return window.getComputedStyle(elem, null);\n };\n convertToPx = function convertToPx(elem, value) {\n return parseFloat(value);\n };\n } else {\n getStyle = function getStyle(elem) {\n return elem.currentStyle;\n };\n convertToPx = function convertToPx(elem, value) {\n var left = void 0,\n result = void 0,\n rs = void 0,\n rsLeft = void 0,\n style = void 0;\n var core_pnum = /[+-]?(?:\\d*\\.|)\\d+(?:[eE][+-]?\\d+|)/.source;\n var rnumnonpx = new RegExp('^(' + core_pnum + ')(?!px)[a-z%]+$', 'i');\n\n if (!rnumnonpx.test(value)) {\n return parseFloat(value);\n }\n\n // ported from JQuery\n style = elem.style;\n left = style.left;\n rs = elem.runtimeStyle;\n rsLeft = rs && rs.left;\n if (rs) {\n rs.left = style.left;\n }\n // put in the new values to get a computed style out\n style.left = value;\n result = style.pixelLeft;\n style.left = left;\n if (rsLeft) {\n rs.left = rsLeft;\n }\n return result;\n };\n }\n\n function getMeasurements(elem, measure) {\n var base = void 0,\n borderA = void 0,\n borderB = void 0,\n computedMarginA = void 0,\n computedMarginB = void 0,\n computedStyle = void 0,\n dirA = void 0,\n dirB = void 0,\n marginA = void 0,\n marginB = void 0,\n paddingA = void 0,\n paddingB = void 0;\n\n if (isWindow(elem)) {\n base = document.documentElement[{ height: 'clientHeight', width: 'clientWidth' }[measure]];\n\n return {\n base: base,\n padding: 0,\n border: 0,\n margin: 0\n };\n }\n\n // Start with offset property\n\n var _width$height$measure = _slicedToArray({\n width: [elem.offsetWidth, 'Left', 'Right'],\n height: [elem.offsetHeight, 'Top', 'Bottom']\n }[measure], 3);\n\n base = _width$height$measure[0];\n dirA = _width$height$measure[1];\n dirB = _width$height$measure[2];\n\n\n computedStyle = getStyle(elem);\n paddingA = convertToPx(elem, computedStyle['padding' + dirA]) || 0;\n paddingB = convertToPx(elem, computedStyle['padding' + dirB]) || 0;\n borderA = convertToPx(elem, computedStyle['border' + dirA + 'Width']) || 0;\n borderB = convertToPx(elem, computedStyle['border' + dirB + 'Width']) || 0;\n computedMarginA = computedStyle['margin' + dirA];\n computedMarginB = computedStyle['margin' + dirB];\n\n // I do not care for width for now, so this hack is irrelevant\n // if ( !supportsPercentMargin )\n // computedMarginA = hackPercentMargin( elem, computedStyle, computedMarginA )\n // computedMarginB = hackPercentMargin( elem, computedStyle, computedMarginB )\n marginA = convertToPx(elem, computedMarginA) || 0;\n marginB = convertToPx(elem, computedMarginB) || 0;\n\n return {\n base: base,\n padding: paddingA + paddingB,\n border: borderA + borderB,\n margin: marginA + marginB\n };\n }\n\n function getWidthHeight(elem, direction, measure) {\n var computedStyle = void 0,\n result = void 0;\n\n var measurements = getMeasurements(elem, direction);\n\n if (measurements.base > 0) {\n return {\n base: measurements.base - measurements.padding - measurements.border,\n outer: measurements.base,\n outerfull: measurements.base + measurements.margin\n }[measure];\n }\n\n // Fall back to computed then uncomputed css if necessary\n computedStyle = getStyle(elem);\n result = computedStyle[direction];\n\n if (result < 0 || result === null) {\n result = elem.style[direction] || 0;\n }\n\n // Normalize \"\", auto, and prepare for extra\n result = parseFloat(result) || 0;\n\n return {\n base: result - measurements.padding - measurements.border,\n outer: result,\n outerfull: result + measurements.padding + measurements.border + measurements.margin\n }[measure];\n }\n\n // define missing methods\n return angular.forEach({\n before: function before(newElem) {\n var children, elem, i, j, parent, ref, self;\n self = this;\n elem = self[0];\n parent = self.parent();\n children = parent.contents();\n if (children[0] === elem) {\n return parent.prepend(newElem);\n } else {\n for (i = j = 1, ref = children.length - 1; 1 <= ref ? j <= ref : j >= ref; i = 1 <= ref ? ++j : --j) {\n if (children[i] === elem) {\n angular.element(children[i - 1]).after(newElem);\n return;\n }\n }\n throw new Error('invalid DOM structure ' + elem.outerHTML);\n }\n },\n height: function height(value) {\n var self;\n self = this;\n if (angular.isDefined(value)) {\n if (angular.isNumber(value)) {\n value = value + 'px';\n }\n return css.call(self, 'height', value);\n } else {\n return getWidthHeight(this[0], 'height', 'base');\n }\n },\n outerHeight: function outerHeight(option) {\n return getWidthHeight(this[0], 'height', option ? 'outerfull' : 'outer');\n },\n outerWidth: function outerWidth(option) {\n return getWidthHeight(this[0], 'width', option ? 'outerfull' : 'outer');\n },\n\n\n /*\r\n The offset setter method is not implemented\r\n */\n offset: function offset(value) {\n var docElem = void 0,\n win = void 0;\n var self = this;\n var box = {\n top: 0,\n left: 0\n };\n var elem = self[0];\n var doc = elem && elem.ownerDocument;\n\n if (arguments.length) {\n if (value === undefined) {\n return self;\n }\n // TODO: implement setter\n throw new Error('offset setter method is not implemented');\n }\n\n if (!doc) {\n return;\n }\n\n docElem = doc.documentElement;\n\n // TODO: Make sure it's not a disconnected DOM node\n\n if (elem.getBoundingClientRect != null) {\n box = elem.getBoundingClientRect();\n }\n\n win = doc.defaultView || doc.parentWindow;\n\n return {\n top: box.top + (win.pageYOffset || docElem.scrollTop) - (docElem.clientTop || 0),\n left: box.left + (win.pageXOffset || docElem.scrollLeft) - (docElem.clientLeft || 0)\n };\n },\n scrollTop: function scrollTop(value) {\n return scrollTo(this, 'top', value);\n },\n scrollLeft: function scrollLeft(value) {\n return scrollTo(this, 'left', value);\n }\n }, function (value, key) {\n if (!element.prototype[key]) {\n return element.prototype[key] = value;\n }\n });\n }\n }]);\n\n return JQLiteExtras;\n}();\n\nexports.default = JQLiteExtras;\n\n/***/ }),\n/* 4 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.default = Viewport;\n\nvar _padding = __webpack_require__(5);\n\nvar _padding2 = _interopRequireDefault(_padding);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction Viewport(elementRoutines, buffer, element, viewportController, $rootScope, padding) {\n var topPadding = null;\n var bottomPadding = null;\n var viewport = viewportController && viewportController.viewport ? viewportController.viewport : angular.element(window);\n var container = viewportController && viewportController.container ? viewportController.container : undefined;\n var scope = viewportController && viewportController.scope ? viewportController.scope : $rootScope;\n\n viewport.css({\n 'overflow-anchor': 'none',\n 'overflow-y': 'auto',\n 'display': 'block'\n });\n\n function bufferPadding() {\n return viewport.outerHeight() * padding; // some extra space to initiate preload\n }\n\n angular.extend(viewport, {\n getScope: function getScope() {\n return scope;\n },\n createPaddingElements: function createPaddingElements(template) {\n topPadding = new _padding2.default(template);\n bottomPadding = new _padding2.default(template);\n element.before(topPadding);\n element.after(bottomPadding);\n },\n applyContainerStyle: function applyContainerStyle() {\n if (container && container !== viewport) {\n viewport.css('height', window.getComputedStyle(container[0]).height);\n }\n },\n bottomDataPos: function bottomDataPos() {\n var scrollHeight = viewport[0].scrollHeight;\n scrollHeight = scrollHeight != null ? scrollHeight : viewport[0].document.documentElement.scrollHeight;\n return scrollHeight - bottomPadding.height();\n },\n topDataPos: function topDataPos() {\n return topPadding.height();\n },\n bottomVisiblePos: function bottomVisiblePos() {\n return viewport.scrollTop() + viewport.outerHeight();\n },\n topVisiblePos: function topVisiblePos() {\n return viewport.scrollTop();\n },\n insertElement: function insertElement(e, sibling) {\n return elementRoutines.insertElement(e, sibling || topPadding);\n },\n insertElementAnimated: function insertElementAnimated(e, sibling) {\n return elementRoutines.insertElementAnimated(e, sibling || topPadding);\n },\n shouldLoadBottom: function shouldLoadBottom() {\n return !buffer.eof && viewport.bottomDataPos() < viewport.bottomVisiblePos() + bufferPadding();\n },\n clipBottom: function clipBottom() {\n // clip the invisible items off the bottom\n var overage = 0;\n var overageHeight = 0;\n var itemHeight = 0;\n var emptySpaceHeight = viewport.bottomDataPos() - viewport.bottomVisiblePos() - bufferPadding();\n\n for (var i = buffer.length - 1; i >= 0; i--) {\n itemHeight = buffer[i].element.outerHeight(true);\n if (overageHeight + itemHeight > emptySpaceHeight) {\n break;\n }\n bottomPadding.cache.add(buffer[i]);\n overageHeight += itemHeight;\n overage++;\n }\n\n if (overage > 0) {\n buffer.eof = false;\n buffer.remove(buffer.length - overage, buffer.length);\n buffer.next -= overage;\n viewport.adjustPaddings();\n }\n },\n shouldLoadTop: function shouldLoadTop() {\n return !buffer.bof && viewport.topDataPos() > viewport.topVisiblePos() - bufferPadding();\n },\n clipTop: function clipTop() {\n // clip the invisible items off the top\n var overage = 0;\n var overageHeight = 0;\n var itemHeight = 0;\n var emptySpaceHeight = viewport.topVisiblePos() - viewport.topDataPos() - bufferPadding();\n\n for (var i = 0; i < buffer.length; i++) {\n itemHeight = buffer[i].element.outerHeight(true);\n if (overageHeight + itemHeight > emptySpaceHeight) {\n break;\n }\n topPadding.cache.add(buffer[i]);\n overageHeight += itemHeight;\n overage++;\n }\n\n if (overage > 0) {\n // we need to adjust top padding element before items are removed from top\n // to avoid strange behaviour of scroll bar during remove top items when we are at the very bottom\n topPadding.height(topPadding.height() + overageHeight);\n buffer.bof = false;\n buffer.remove(0, overage);\n buffer.first += overage;\n }\n },\n adjustPaddings: function adjustPaddings() {\n if (!buffer.length) {\n return;\n }\n\n // precise heights calculation, items that were in buffer once\n var topPaddingHeight = topPadding.cache.reduce(function (summ, item) {\n return summ + (item.index < buffer.first ? item.height : 0);\n }, 0);\n var bottomPaddingHeight = bottomPadding.cache.reduce(function (summ, item) {\n return summ + (item.index >= buffer.next ? item.height : 0);\n }, 0);\n\n // average item height based on buffer data\n var visibleItemsHeight = buffer.reduce(function (summ, item) {\n return summ + item.element.outerHeight(true);\n }, 0);\n var averageItemHeight = (visibleItemsHeight + topPaddingHeight + bottomPaddingHeight) / (buffer.maxIndex - buffer.minIndex + 1);\n\n // average heights calculation, items that have never been reached\n var adjustTopPadding = buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser;\n var adjustBottomPadding = buffer.maxIndexUser !== null && buffer.maxIndex < buffer.maxIndexUser;\n var topPaddingHeightAdd = adjustTopPadding ? (buffer.minIndex - buffer.minIndexUser) * averageItemHeight : 0;\n var bottomPaddingHeightAdd = adjustBottomPadding ? (buffer.maxIndexUser - buffer.maxIndex) * averageItemHeight : 0;\n\n // paddings combine adjustment\n topPadding.height(topPaddingHeight + topPaddingHeightAdd);\n bottomPadding.height(bottomPaddingHeight + bottomPaddingHeightAdd);\n },\n onAfterMinIndexSet: function onAfterMinIndexSet(topPaddingHeightOld) {\n // additional scrollTop adjustment in case of datasource.minIndex external set\n if (buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser) {\n var diff = topPadding.height() - topPaddingHeightOld;\n viewport.scrollTop(viewport.scrollTop() + diff);\n diff -= viewport.scrollTop();\n if (diff > 0) {\n bottomPadding.height(bottomPadding.height() + diff);\n viewport.scrollTop(viewport.scrollTop() + diff);\n }\n }\n },\n onAfterPrepend: function onAfterPrepend(updates) {\n if (!updates.prepended.length) return;\n var height = buffer.effectiveHeight(updates.prepended);\n var paddingHeight = topPadding.height() - height;\n if (paddingHeight >= 0) {\n topPadding.height(paddingHeight);\n } else {\n topPadding.height(0);\n viewport.scrollTop(viewport.scrollTop() - paddingHeight);\n }\n },\n resetTopPadding: function resetTopPadding() {\n topPadding.height(0);\n topPadding.cache.clear();\n },\n resetBottomPadding: function resetBottomPadding() {\n bottomPadding.height(0);\n bottomPadding.cache.clear();\n },\n removeItem: function removeItem(item) {\n topPadding.cache.remove(item);\n bottomPadding.cache.remove(item);\n return buffer.remove(item);\n }\n });\n\n return viewport;\n}\n\n/***/ }),\n/* 5 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.default = Padding;\nfunction Cache() {\n var cache = Object.create(Array.prototype);\n\n angular.extend(cache, {\n add: function add(item) {\n for (var i = cache.length - 1; i >= 0; i--) {\n if (cache[i].index === item.scope.$index) {\n cache[i].height = item.element.outerHeight();\n return;\n }\n }\n cache.push({\n index: item.scope.$index,\n height: item.element.outerHeight()\n });\n cache.sort(function (a, b) {\n return a.index < b.index ? -1 : a.index > b.index ? 1 : 0;\n });\n },\n remove: function remove(item) {\n for (var i = cache.length - 1; i >= 0; i--) {\n if (cache[i].index === item.scope.$index) {\n cache.splice(i, 1);\n break;\n }\n }\n for (var _i = cache.length - 1; _i >= 0; _i--) {\n if (cache[_i].index > item.scope.$index) {\n cache[_i].index--;\n }\n }\n },\n clear: function clear() {\n cache.length = 0;\n }\n });\n\n return cache;\n}\n\nfunction Padding(template) {\n var result = void 0;\n\n if (template.nodeType !== Node.ELEMENT_NODE) {\n throw new Error('ui-scroll directive requires an Element node for templating the view');\n }\n\n switch (template.tagName.toLowerCase()) {\n case 'dl':\n throw new Error('ui-scroll directive does not support <' + template.tagName + '> as a repeating tag: ' + template.outerHTML);\n case 'tr':\n var table = angular.element('
    ');\n result = table.find('tr');\n break;\n case 'li':\n result = angular.element('
  • ');\n break;\n default:\n result = angular.element('
    ');\n }\n\n result.cache = new Cache();\n\n return result;\n}\n\n/***/ }),\n/* 6 */,\n/* 7 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nvar _jqLiteExtras = __webpack_require__(3);\n\nvar _jqLiteExtras2 = _interopRequireDefault(_jqLiteExtras);\n\nvar _elementRoutines = __webpack_require__(2);\n\nvar _elementRoutines2 = _interopRequireDefault(_elementRoutines);\n\nvar _buffer = __webpack_require__(1);\n\nvar _buffer2 = _interopRequireDefault(_buffer);\n\nvar _viewport = __webpack_require__(4);\n\nvar _viewport2 = _interopRequireDefault(_viewport);\n\nvar _adapter = __webpack_require__(0);\n\nvar _adapter2 = _interopRequireDefault(_adapter);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nangular.module('ui.scroll', []).service('jqLiteExtras', function () {\n return new _jqLiteExtras2.default();\n}).run(['jqLiteExtras', function (jqLiteExtras) {\n return !window.jQuery ? jqLiteExtras.registerFor(angular.element) : null;\n}]).directive('uiScrollViewport', function () {\n return {\n restrict: 'A',\n controller: ['$scope', '$element', function (scope, element) {\n var _this = this;\n\n this.container = element;\n this.viewport = element;\n this.scope = scope;\n\n angular.forEach(element.children(), function (child) {\n if (child.tagName.toLowerCase() === 'tbody') {\n _this.viewport = angular.element(child);\n }\n });\n\n return this;\n }]\n };\n}).directive('uiScroll', ['$log', '$injector', '$rootScope', '$timeout', '$q', '$parse', function (console, $injector, $rootScope, $timeout, $q, $parse) {\n\n return {\n require: ['?^uiScrollViewport'],\n restrict: 'A',\n transclude: 'element',\n priority: 1000,\n terminal: true,\n link: link\n };\n\n function link($scope, element, $attr, controllers, linker) {\n var match = $attr.uiScroll.match(/^\\s*(\\w+)\\s+in\\s+([(\\w|\\$)\\.]+)\\s*$/);\n if (!match) {\n throw new Error('Expected uiScroll in form of \\'_item_ in _datasource_\\' but got \\'' + $attr.uiScroll + '\\'');\n }\n\n function parseNumericAttr(value, defaultValue) {\n var result = $parse(value)($scope);\n return isNaN(result) ? defaultValue : result;\n }\n\n var BUFFER_MIN = 3;\n var BUFFER_DEFAULT = 10;\n var PADDING_MIN = 0.3;\n var PADDING_DEFAULT = 0.5;\n\n var datasource = null;\n var itemName = match[1];\n var datasourceName = match[2];\n var viewportController = controllers[0];\n var bufferSize = Math.max(BUFFER_MIN, parseNumericAttr($attr.bufferSize, BUFFER_DEFAULT));\n var padding = Math.max(PADDING_MIN, parseNumericAttr($attr.padding, PADDING_DEFAULT));\n var startIndex = parseNumericAttr($attr.startIndex, 1);\n var ridActual = 0; // current data revision id\n var pending = [];\n\n var elementRoutines = new _elementRoutines2.default($injector, $q);\n var buffer = new _buffer2.default(elementRoutines, bufferSize);\n var viewport = new _viewport2.default(elementRoutines, buffer, element, viewportController, $rootScope, padding);\n var adapter = new _adapter2.default(viewport, buffer, adjustBuffer, reload, $attr, $parse, element, $scope);\n\n if (viewportController) {\n viewportController.adapter = adapter;\n }\n\n var isDatasourceValid = function isDatasourceValid() {\n return angular.isObject(datasource) && angular.isFunction(datasource.get);\n };\n datasource = $parse(datasourceName)($scope); // try to get datasource on scope\n if (!isDatasourceValid()) {\n datasource = $injector.get(datasourceName); // try to inject datasource as service\n if (!isDatasourceValid()) {\n throw new Error(datasourceName + ' is not a valid datasource');\n }\n }\n\n var onRenderHandlers = [];\n function onRenderHandlersRunner() {\n if (onRenderHandlers.length) {\n angular.forEach(onRenderHandlers, function (handler) {\n return handler();\n });\n onRenderHandlers = [];\n }\n }\n function preDefineIndexProperty(datasource, propName) {\n var getter = void 0;\n // need to postpone min/maxIndexUser processing if the view is empty\n if (datasource.hasOwnProperty(propName) && !buffer.length) {\n getter = datasource[propName];\n delete datasource[propName];\n onRenderHandlers.push(function () {\n return datasource[propName] = getter;\n });\n }\n }\n\n function defineIndexProperty(datasource, propName, propUserName) {\n var descriptor = Object.getOwnPropertyDescriptor(datasource, propName);\n if (descriptor && (descriptor.set || descriptor.get)) {\n return;\n }\n var getter = void 0;\n preDefineIndexProperty(datasource, propName);\n Object.defineProperty(datasource, propName, {\n set: function set(value) {\n getter = value;\n buffer[propUserName] = value;\n var topPaddingHeightOld = viewport.topDataPos();\n viewport.adjustPaddings();\n if (propName === 'minIndex') {\n viewport.onAfterMinIndexSet(topPaddingHeightOld);\n }\n },\n get: function get() {\n return getter;\n }\n });\n }\n\n defineIndexProperty(datasource, 'minIndex', 'minIndexUser');\n defineIndexProperty(datasource, 'maxIndex', 'maxIndexUser');\n\n var fetchNext = datasource.get.length !== 2 ? function (success) {\n return datasource.get(buffer.next, bufferSize, success);\n } : function (success) {\n datasource.get({\n index: buffer.next,\n append: buffer.length ? buffer[buffer.length - 1].item : void 0,\n count: bufferSize\n }, success);\n };\n\n var fetchPrevious = datasource.get.length !== 2 ? function (success) {\n return datasource.get(buffer.first - bufferSize, bufferSize, success);\n } : function (success) {\n datasource.get({\n index: buffer.first - bufferSize,\n prepend: buffer.length ? buffer[0].item : void 0,\n count: bufferSize\n }, success);\n };\n\n /**\n * Build padding elements\n *\n * Calling linker is the only way I found to get access to the tag name of the template\n * to prevent the directive scope from pollution a new scope is created and destroyed\n * right after the builder creation is completed\n */\n linker(function (clone, scope) {\n viewport.createPaddingElements(clone[0]);\n // we do not include the clone in the DOM. It means that the nested directives will not\n // be able to reach the parent directives, but in this case it is intentional because we\n // created the clone to access the template tag name\n scope.$destroy();\n clone.remove();\n });\n\n $scope.$on('$destroy', function () {\n unbindEvents();\n viewport.unbind('mousewheel', wheelHandler);\n });\n\n viewport.bind('mousewheel', wheelHandler);\n\n $timeout(function () {\n viewport.applyContainerStyle();\n reload();\n });\n\n /* Private function definitions */\n\n function isInvalid(rid) {\n return rid && rid !== ridActual || $scope.$$destroyed;\n }\n\n function bindEvents() {\n viewport.bind('resize', resizeAndScrollHandler);\n viewport.bind('scroll', resizeAndScrollHandler);\n }\n\n function unbindEvents() {\n viewport.unbind('resize', resizeAndScrollHandler);\n viewport.unbind('scroll', resizeAndScrollHandler);\n }\n\n function reload() {\n viewport.resetTopPadding();\n viewport.resetBottomPadding();\n if (arguments.length) {\n startIndex = arguments[0];\n }\n buffer.reset(startIndex);\n adjustBuffer();\n }\n\n function isElementVisible(wrapper) {\n return wrapper.element.height() && wrapper.element[0].offsetParent;\n }\n\n function visibilityWatcher(wrapper) {\n if (isElementVisible(wrapper)) {\n buffer.forEach(function (item) {\n if (angular.isFunction(item.unregisterVisibilityWatcher)) {\n item.unregisterVisibilityWatcher();\n delete item.unregisterVisibilityWatcher;\n }\n });\n if (!pending.length) {\n $timeout(function () {\n return adjustBuffer();\n });\n }\n }\n }\n\n function insertWrapperContent(wrapper, insertAfter) {\n createElement(wrapper, insertAfter, viewport.insertElement);\n if (!isElementVisible(wrapper)) {\n wrapper.unregisterVisibilityWatcher = wrapper.scope.$watch(function () {\n return visibilityWatcher(wrapper);\n });\n }\n wrapper.element.addClass('ng-hide'); // hide inserted elements before data binding\n }\n\n function createElement(wrapper, insertAfter, insertElement) {\n var promises = null;\n var sibling = insertAfter > 0 ? buffer[insertAfter - 1].element : undefined;\n linker(function (clone, scope) {\n promises = insertElement(clone, sibling);\n wrapper.element = clone;\n wrapper.scope = scope;\n scope[itemName] = wrapper.item;\n });\n // ui-scroll-grid apply\n if (adapter.transform) {\n var tdInitializer = wrapper.scope.uiScrollTdInitializer;\n if (tdInitializer && tdInitializer.linking) {\n adapter.transform(wrapper.scope, wrapper.element);\n } else {\n wrapper.scope.uiScrollTdInitializer = {\n onLink: function onLink() {\n return adapter.transform(wrapper.scope, wrapper.element);\n },\n scope: wrapper.scope\n };\n }\n }\n return promises;\n }\n\n function updateDOM() {\n var promises = [];\n var toBePrepended = [];\n var toBeRemoved = [];\n var inserted = [];\n\n buffer.forEach(function (wrapper, i) {\n switch (wrapper.op) {\n case 'prepend':\n toBePrepended.unshift(wrapper);\n break;\n case 'append':\n insertWrapperContent(wrapper, i);\n wrapper.op = 'none';\n inserted.push(wrapper);\n break;\n case 'insert':\n promises = promises.concat(createElement(wrapper, i, viewport.insertElementAnimated));\n wrapper.op = 'none';\n inserted.push(wrapper);\n break;\n case 'remove':\n toBeRemoved.push(wrapper);\n }\n });\n\n toBeRemoved.forEach(function (wrapper) {\n return promises = promises.concat(viewport.removeItem(wrapper));\n });\n\n if (toBePrepended.length) toBePrepended.forEach(function (wrapper) {\n insertWrapperContent(wrapper);\n wrapper.op = 'none';\n });\n\n buffer.forEach(function (item, i) {\n return item.scope.$index = buffer.first + i;\n });\n\n return {\n prepended: toBePrepended,\n removed: toBeRemoved,\n inserted: inserted,\n animated: promises\n };\n }\n\n function updatePaddings(rid, updates) {\n // schedule another adjustBuffer after animation completion\n if (updates.animated.length) {\n $q.all(updates.animated).then(function () {\n viewport.adjustPaddings();\n adjustBuffer(rid);\n });\n } else {\n viewport.adjustPaddings();\n }\n }\n\n function enqueueFetch(rid, updates) {\n if (viewport.shouldLoadBottom()) {\n if (!updates || buffer.effectiveHeight(updates.inserted) > 0) {\n // this means that at least one item appended in the last batch has height > 0\n if (pending.push(true) === 1) {\n adapter.loading(true);\n fetch(rid);\n }\n }\n } else if (viewport.shouldLoadTop()) {\n if (!updates || buffer.effectiveHeight(updates.prepended) > 0 || pending[0]) {\n // this means that at least one item appended in the last batch has height > 0\n // pending[0] = true means that previous fetch was appending. We need to force at least one prepend\n // BTW there will always be at least 1 element in the pending array because bottom is fetched first\n if (pending.push(false) === 1) {\n adapter.loading(true);\n fetch(rid);\n }\n }\n }\n }\n\n function adjustBuffer(rid) {\n if (!rid) {\n // dismiss pending requests\n pending = [];\n rid = ++ridActual;\n }\n\n var updates = updateDOM();\n\n // We need the item bindings to be processed before we can do adjustment\n !$scope.$$phase && $scope.$digest();\n\n updates.inserted.forEach(function (w) {\n return w.element.removeClass('ng-hide');\n });\n updates.prepended.forEach(function (w) {\n return w.element.removeClass('ng-hide');\n });\n\n if (isInvalid(rid)) {\n return;\n }\n\n updatePaddings(rid, updates);\n enqueueFetch(rid);\n\n if (!pending.length) {\n adapter.calculateProperties();\n }\n }\n\n function adjustBufferAfterFetch(rid) {\n var updates = updateDOM();\n\n // We need the item bindings to be processed before we can do adjustment\n !$scope.$$phase && $scope.$digest();\n\n updates.inserted.forEach(function (w) {\n return w.element.removeClass('ng-hide');\n });\n updates.prepended.forEach(function (w) {\n return w.element.removeClass('ng-hide');\n });\n\n viewport.onAfterPrepend(updates);\n\n if (isInvalid(rid)) {\n return;\n }\n\n updatePaddings(rid, updates);\n onRenderHandlersRunner();\n enqueueFetch(rid, updates);\n pending.shift();\n\n if (pending.length) fetch(rid);else {\n adapter.loading(false);\n bindEvents();\n adapter.calculateProperties();\n }\n }\n\n function fetch(rid) {\n if (pending[0]) {\n // scrolling down\n if (buffer.length && !viewport.shouldLoadBottom()) {\n adjustBufferAfterFetch(rid);\n } else {\n fetchNext(function (result) {\n if (isInvalid(rid)) {\n return;\n }\n\n if (result.length < bufferSize) {\n buffer.eof = true;\n }\n\n if (result.length > 0) {\n viewport.clipTop();\n buffer.append(result);\n }\n\n adjustBufferAfterFetch(rid);\n });\n }\n } else {\n // scrolling up\n if (buffer.length && !viewport.shouldLoadTop()) {\n adjustBufferAfterFetch(rid);\n } else {\n fetchPrevious(function (result) {\n if (isInvalid(rid)) {\n return;\n }\n\n if (result.length < bufferSize) {\n buffer.bof = true;\n // log 'bof is reached'\n }\n\n if (result.length > 0) {\n if (buffer.length) {\n viewport.clipBottom();\n }\n buffer.prepend(result);\n }\n\n adjustBufferAfterFetch(rid);\n });\n }\n }\n }\n\n function resizeAndScrollHandler() {\n if (!$rootScope.$$phase && !adapter.isLoading && !adapter.disabled) {\n\n enqueueFetch(ridActual);\n\n if (pending.length) {\n unbindEvents();\n } else {\n adapter.calculateProperties();\n !$scope.$$phase && $scope.$digest();\n }\n }\n }\n\n function wheelHandler(event) {\n if (!adapter.disabled) {\n var scrollTop = viewport[0].scrollTop;\n var yMax = viewport[0].scrollHeight - viewport[0].clientHeight;\n\n if (scrollTop === 0 && !buffer.bof || scrollTop === yMax && !buffer.eof) {\n event.preventDefault();\n }\n }\n }\n }\n}]);\n\n/***/ })\n/******/ ]);\n\n\n// WEBPACK FOOTER //\n// ui-scroll.min.js"," \t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId]) {\n \t\t\treturn installedModules[moduleId].exports;\n \t\t}\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\ti: moduleId,\n \t\t\tl: false,\n \t\t\texports: {}\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.l = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// identity function for calling harmony imports with the correct context\n \t__webpack_require__.i = function(value) { return value; };\n\n \t// define getter function for harmony exports\n \t__webpack_require__.d = function(exports, name, getter) {\n \t\tif(!__webpack_require__.o(exports, name)) {\n \t\t\tObject.defineProperty(exports, name, {\n \t\t\t\tconfigurable: false,\n \t\t\t\tenumerable: true,\n \t\t\t\tget: getter\n \t\t\t});\n \t\t}\n \t};\n\n \t// getDefaultExport function for compatibility with non-harmony modules\n \t__webpack_require__.n = function(module) {\n \t\tvar getter = module && module.__esModule ?\n \t\t\tfunction getDefault() { return module['default']; } :\n \t\t\tfunction getModuleExports() { return module; };\n \t\t__webpack_require__.d(getter, 'a', getter);\n \t\treturn getter;\n \t};\n\n \t// Object.prototype.hasOwnProperty.call\n \t__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"\";\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(__webpack_require__.s = 7);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap 46a2f93695cd00fd813e","function getCtrlOnData(attr, element) {\r\n let onSyntax = attr.match(/^(.+)(\\s+on\\s+)(.+)?/);\r\n if (onSyntax && onSyntax.length === 4) {\r\n window.console.log('Angular ui-scroll adapter assignment warning. \"Controller On\" syntax has been deprecated since ui-scroll v1.6.1.');\r\n let ctrl = onSyntax[3];\r\n let tail = onSyntax[1];\r\n let candidate = element;\r\n while (candidate.length) {\r\n let candidateScope = candidate.scope(); // doesn't work when debugInfoEnabled flag = true\r\n let candidateName = (candidate.attr('ng-controller') || '').match(/(\\w(?:\\w|\\d)*)(?:\\s+as\\s+(\\w(?:\\w|\\d)*))?/);\r\n if (candidateName && candidateName[1] === ctrl) {\r\n return {\r\n target: candidateScope,\r\n source: tail\r\n };\r\n }\r\n candidate = candidate.parent();\r\n }\r\n throw new Error('Angular ui-scroll adapter assignment error. Failed to locate target controller \"' + ctrl + '\" to inject \"' + tail + '\"');\r\n }\r\n}\r\n\r\nclass Adapter {\r\n\r\n constructor(viewport, buffer, adjustBuffer, reload, $attr, $parse, element, $scope) {\r\n this.viewport = viewport;\r\n this.buffer = buffer;\r\n this.adjustBuffer = adjustBuffer;\r\n this.reload = reload;\r\n\r\n this.isLoading = false;\r\n this.disabled = false;\r\n\r\n const viewportScope = viewport.getScope();\r\n this.startScope = viewportScope.$parent ? viewportScope : $scope;\r\n\r\n this.publicContext = {};\r\n this.assignAdapter($attr.adapter, $parse, element);\r\n this.generatePublicContext($attr, $parse);\r\n }\r\n\r\n assignAdapter(adapterAttr, $parse, element) {\r\n if (!adapterAttr || !(adapterAttr = adapterAttr.replace(/^\\s+|\\s+$/gm, ''))) {\r\n return;\r\n }\r\n let ctrlOnData = getCtrlOnData(adapterAttr, element);\r\n let adapterOnScope;\r\n\r\n try {\r\n if (ctrlOnData) { // \"Controller On\", deprecated since v1.6.1\r\n $parse(ctrlOnData.source).assign(ctrlOnData.target, {});\r\n adapterOnScope = $parse(ctrlOnData.source)(ctrlOnData.target);\r\n }\r\n else {\r\n $parse(adapterAttr).assign(this.startScope, {});\r\n adapterOnScope = $parse(adapterAttr)(this.startScope);\r\n }\r\n }\r\n catch (error) {\r\n error.message = `Angular ui-scroll Adapter assignment exception.\\n` +\r\n `Can't parse \"${adapterAttr}\" expression.\\n` +\r\n error.message;\r\n throw error;\r\n }\r\n\r\n angular.extend(adapterOnScope, this.publicContext);\r\n this.publicContext = adapterOnScope;\r\n }\r\n\r\n generatePublicContext($attr, $parse) {\r\n // these methods will be accessible out of ui-scroll via user defined adapter\r\n const publicMethods = ['reload', 'applyUpdates', 'append', 'prepend', 'isBOF', 'isEOF', 'isEmpty'];\r\n for (let i = publicMethods.length - 1; i >= 0; i--) {\r\n this.publicContext[publicMethods[i]] = this[publicMethods[i]].bind(this);\r\n }\r\n\r\n // these read-only props will be accessible out of ui-scroll via user defined adapter\r\n const publicProps = ['isLoading', 'topVisible', 'topVisibleElement', 'topVisibleScope', 'bottomVisible', 'bottomVisibleElement', 'bottomVisibleScope'];\r\n for (let i = publicProps.length - 1; i >= 0; i--) {\r\n let property, attr = $attr[publicProps[i]];\r\n Object.defineProperty(this, publicProps[i], {\r\n get: () => property,\r\n set: (value) => {\r\n property = value;\r\n this.publicContext[publicProps[i]] = value;\r\n if (attr) {\r\n $parse(attr).assign(this.startScope, value);\r\n }\r\n }\r\n });\r\n }\r\n\r\n // non-read-only public property\r\n Object.defineProperty(this.publicContext, 'disabled', {\r\n get: () => this.disabled,\r\n set: (value) => (!(this.disabled = value)) ? this.adjustBuffer() : null\r\n });\r\n }\r\n\r\n loading(value) {\r\n this['isLoading'] = value;\r\n }\r\n\r\n isBOF() {\r\n return this.buffer.bof;\r\n }\r\n\r\n isEOF() {\r\n return this.buffer.eof;\r\n }\r\n\r\n isEmpty() {\r\n return !this.buffer.length;\r\n }\r\n\r\n applyUpdates(arg1, arg2) {\r\n if (angular.isFunction(arg1)) {\r\n // arg1 is the updater function, arg2 is ignored\r\n this.buffer.slice(0).forEach((wrapper) => {\r\n // we need to do it on the buffer clone, because buffer content\r\n // may change as we iterate through\r\n this.applyUpdate(wrapper, arg1(wrapper.item, wrapper.scope, wrapper.element));\r\n });\r\n } else {\r\n // arg1 is item index, arg2 is the newItems array\r\n if (arg1 % 1 !== 0) {// checking if it is an integer\r\n throw new Error('applyUpdates - ' + arg1 + ' is not a valid index');\r\n }\r\n\r\n const index = arg1 - this.buffer.first;\r\n if ((index >= 0 && index < this.buffer.length)) {\r\n this.applyUpdate(this.buffer[index], arg2);\r\n }\r\n }\r\n\r\n this.adjustBuffer();\r\n }\r\n\r\n append(newItems) {\r\n this.buffer.append(newItems);\r\n this.adjustBuffer();\r\n this.viewport.clipTop();\r\n this.viewport.clipBottom();\r\n }\r\n\r\n prepend(newItems) {\r\n this.buffer.prepend(newItems);\r\n this.adjustBuffer();\r\n this.viewport.clipTop();\r\n this.viewport.clipBottom();\r\n }\r\n\r\n calculateProperties() {\r\n let rowTop = null, topHeight = 0;\r\n let topDone = false, bottomDone = false;\r\n const length = this.buffer.length;\r\n\r\n for (let i = 0; i < length; i++) {\r\n const item = this.buffer[i];\r\n const itemTop = item.element.offset().top;\r\n\r\n if (rowTop !== itemTop) { // a new row condition\r\n const itemHeight = item.element.outerHeight(true);\r\n const top = this.viewport.topDataPos() + topHeight + itemHeight;\r\n\r\n if (!topDone && top > this.viewport.topVisiblePos()) {\r\n topDone = true;\r\n this['topVisible'] = item.item;\r\n this['topVisibleElement'] = item.element;\r\n this['topVisibleScope'] = item.scope;\r\n }\r\n\r\n if (!bottomDone && (top >= this.viewport.bottomVisiblePos() || (i === length - 1 && this.isEOF()))) {\r\n bottomDone = true;\r\n this['bottomVisible'] = item.item;\r\n this['bottomVisibleElement'] = item.element;\r\n this['bottomVisibleScope'] = item.scope;\r\n }\r\n topHeight += itemHeight;\r\n }\r\n\r\n rowTop = itemTop;\r\n\r\n if (topDone && bottomDone) {\r\n break;\r\n }\r\n }\r\n }\r\n\r\n applyUpdate(wrapper, newItems) {\r\n if (!angular.isArray(newItems)) {\r\n return;\r\n }\r\n\r\n let keepIt;\r\n let pos = (this.buffer.indexOf(wrapper)) + 1;\r\n\r\n newItems.reverse().forEach((newItem) => {\r\n if (newItem === wrapper.item) {\r\n keepIt = true;\r\n pos--;\r\n } else {\r\n this.buffer.insert(pos, newItem);\r\n }\r\n });\r\n\r\n if (!keepIt) {\r\n wrapper.op = 'remove';\r\n }\r\n }\r\n\r\n}\r\n\r\nexport default Adapter;\n\n\n// WEBPACK FOOTER //\n// ./src/modules/adapter.js","export default function ScrollBuffer(elementRoutines, bufferSize) {\r\n const buffer = Object.create(Array.prototype);\r\n\r\n angular.extend(buffer, {\r\n size: bufferSize,\r\n\r\n reset(startIndex) {\r\n buffer.remove(0, buffer.length);\r\n buffer.eof = false;\r\n buffer.bof = false;\r\n buffer.first = startIndex;\r\n buffer.next = startIndex;\r\n buffer.minIndex = startIndex;\r\n buffer.maxIndex = startIndex;\r\n buffer.minIndexUser = null;\r\n buffer.maxIndexUser = null;\r\n },\r\n\r\n append(items) {\r\n items.forEach((item) => {\r\n ++buffer.next;\r\n buffer.insert('append', item);\r\n });\r\n buffer.maxIndex = buffer.eof ? buffer.next - 1 : Math.max(buffer.next - 1, buffer.maxIndex);\r\n },\r\n\r\n prepend(items) {\r\n items.reverse().forEach((item) => {\r\n --buffer.first;\r\n buffer.insert('prepend', item);\r\n });\r\n buffer.minIndex = buffer.bof ? buffer.minIndex = buffer.first : Math.min(buffer.first, buffer.minIndex);\r\n },\r\n\r\n /**\r\n * inserts wrapped element in the buffer\r\n * the first argument is either operation keyword (see below) or a number for operation 'insert'\r\n * for insert the number is the index for the buffer element the new one have to be inserted after\r\n * operations: 'append', 'prepend', 'insert', 'remove', 'update', 'none'\r\n */\r\n insert(operation, item) {\r\n const wrapper = {\r\n item: item\r\n };\r\n\r\n if (operation % 1 === 0) {// it is an insert\r\n wrapper.op = 'insert';\r\n buffer.splice(operation, 0, wrapper);\r\n } else {\r\n wrapper.op = operation;\r\n switch (operation) {\r\n case 'append':\r\n buffer.push(wrapper);\r\n break;\r\n case 'prepend':\r\n buffer.unshift(wrapper);\r\n break;\r\n }\r\n }\r\n },\r\n\r\n // removes elements from buffer\r\n remove(arg1, arg2) {\r\n if (angular.isNumber(arg1)) {\r\n // removes items from arg1 (including) through arg2 (excluding)\r\n for (let i = arg1; i < arg2; i++) {\r\n elementRoutines.removeElement(buffer[i]);\r\n }\r\n\r\n return buffer.splice(arg1, arg2 - arg1);\r\n }\r\n // removes single item(wrapper) from the buffer\r\n buffer.splice(buffer.indexOf(arg1), 1);\r\n\r\n return elementRoutines.removeElementAnimated(arg1);\r\n },\r\n\r\n effectiveHeight(elements) {\r\n if (!elements.length) {\r\n return 0;\r\n }\r\n let top = Number.MAX_VALUE;\r\n let bottom = Number.NEGATIVE_INFINITY;\r\n elements.forEach((wrapper) => {\r\n if (wrapper.element[0].offsetParent) {\r\n // element style is not display:none\r\n top = Math.min(top, wrapper.element.offset().top);\r\n bottom = Math.max(bottom, wrapper.element.offset().top + wrapper.element.outerHeight(true));\r\n }\r\n });\r\n return Math.max(0, bottom - top);\r\n }\r\n\r\n });\r\n\r\n return buffer;\r\n}\n\n\n// WEBPACK FOOTER //\n// ./src/modules/buffer.js","export default class ElementRoutines {\r\n\r\n constructor($injector, $q) {\r\n this.$animate = ($injector.has && $injector.has('$animate')) ? $injector.get('$animate') : null;\r\n this.isAngularVersionLessThen1_3 = angular.version.major === 1 && angular.version.minor < 3;\r\n this.$q = $q;\r\n }\r\n\r\n insertElement(newElement, previousElement) {\r\n previousElement.after(newElement);\r\n return [];\r\n }\r\n\r\n removeElement(wrapper) {\r\n wrapper.element.remove();\r\n wrapper.scope.$destroy();\r\n return [];\r\n }\r\n\r\n insertElementAnimated(newElement, previousElement) {\r\n if (!this.$animate) {\r\n return this.insertElement(newElement, previousElement);\r\n }\r\n\r\n if (this.isAngularVersionLessThen1_3) {\r\n const deferred = this.$q.defer();\r\n // no need for parent - previous element is never null\r\n this.$animate.enter(newElement, null, previousElement, () => deferred.resolve());\r\n\r\n return [deferred.promise];\r\n }\r\n\r\n // no need for parent - previous element is never null\r\n return [this.$animate.enter(newElement, null, previousElement)];\r\n }\r\n\r\n removeElementAnimated(wrapper) {\r\n if (!this.$animate) {\r\n return this.removeElement(wrapper);\r\n }\r\n\r\n if (this.isAngularVersionLessThen1_3) {\r\n const deferred = this.$q.defer();\r\n this.$animate.leave(wrapper.element, () => {\r\n wrapper.scope.$destroy();\r\n return deferred.resolve();\r\n });\r\n\r\n return [deferred.promise];\r\n }\r\n\r\n return [(this.$animate.leave(wrapper.element)).then(() => wrapper.scope.$destroy())];\r\n }\r\n}\n\n\n// WEBPACK FOOTER //\n// ./src/modules/elementRoutines.js","/*!\r\n globals: angular, window\r\n List of used element methods available in JQuery but not in JQuery Lite\r\n element.before(elem)\r\n element.height()\r\n element.outerHeight(true)\r\n element.height(value) = only for Top/Bottom padding elements\r\n element.scrollTop()\r\n element.scrollTop(value)\r\n */\r\n\r\nexport default class JQLiteExtras {\r\n\r\n registerFor(element) {\r\n let convertToPx, css, getStyle, isWindow;\r\n // angular implementation blows up if elem is the window\r\n css = angular.element.prototype.css;\r\n\r\n element.prototype.css = function (name, value) {\r\n let self = this;\r\n let elem = self[0];\r\n if (!(!elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style)) {\r\n return css.call(self, name, value);\r\n }\r\n };\r\n\r\n // as defined in angularjs v1.0.5\r\n isWindow = (obj) => obj && obj.document && obj.location && obj.alert && obj.setInterval;\r\n\r\n function scrollTo(self, direction, value) {\r\n let elem = self[0];\r\n let [method, prop, preserve] = {\r\n top: [\r\n 'scrollTop',\r\n 'pageYOffset',\r\n 'scrollLeft'\r\n ],\r\n left: [\r\n 'scrollLeft',\r\n 'pageXOffset',\r\n 'scrollTop'\r\n ]\r\n }[direction];\r\n\r\n if (isWindow(elem)) {\r\n if (angular.isDefined(value)) {\r\n return elem.scrollTo(self[preserve].call(self), value);\r\n }\r\n return (prop in elem) ? elem[prop] : elem.document.documentElement[method];\r\n } else {\r\n if (angular.isDefined(value)) {\r\n elem[method] = value;\r\n }\r\n return elem[method];\r\n }\r\n }\r\n\r\n if (window.getComputedStyle) {\r\n getStyle = (elem) => window.getComputedStyle(elem, null);\r\n convertToPx = (elem, value) => parseFloat(value);\r\n } else {\r\n getStyle = (elem) => elem.currentStyle;\r\n convertToPx = (elem, value) => {\r\n let left, result, rs, rsLeft, style;\r\n let core_pnum = /[+-]?(?:\\d*\\.|)\\d+(?:[eE][+-]?\\d+|)/.source;\r\n let rnumnonpx = new RegExp('^(' + core_pnum + ')(?!px)[a-z%]+$', 'i');\r\n\r\n if (!rnumnonpx.test(value)) {\r\n return parseFloat(value);\r\n }\r\n\r\n // ported from JQuery\r\n style = elem.style;\r\n left = style.left;\r\n rs = elem.runtimeStyle;\r\n rsLeft = rs && rs.left;\r\n if (rs) {\r\n rs.left = style.left;\r\n }\r\n // put in the new values to get a computed style out\r\n style.left = value;\r\n result = style.pixelLeft;\r\n style.left = left;\r\n if (rsLeft) {\r\n rs.left = rsLeft;\r\n }\r\n return result;\r\n };\r\n }\r\n\r\n function getMeasurements(elem, measure) {\r\n let base, borderA, borderB, computedMarginA, computedMarginB, computedStyle, dirA, dirB, marginA, marginB, paddingA, paddingB;\r\n\r\n if (isWindow(elem)) {\r\n base = document.documentElement[{height: 'clientHeight', width: 'clientWidth'}[measure]];\r\n\r\n return {\r\n base: base,\r\n padding: 0,\r\n border: 0,\r\n margin: 0\r\n };\r\n }\r\n\r\n // Start with offset property\r\n [\r\n base,\r\n dirA,\r\n dirB\r\n ] = {\r\n width: [\r\n elem.offsetWidth,\r\n 'Left',\r\n 'Right'\r\n ],\r\n height: [\r\n elem.offsetHeight,\r\n 'Top',\r\n 'Bottom'\r\n ]\r\n }[measure];\r\n\r\n computedStyle = getStyle(elem);\r\n paddingA = convertToPx(elem, computedStyle['padding' + dirA]) || 0;\r\n paddingB = convertToPx(elem, computedStyle['padding' + dirB]) || 0;\r\n borderA = convertToPx(elem, computedStyle['border' + dirA + 'Width']) || 0;\r\n borderB = convertToPx(elem, computedStyle['border' + dirB + 'Width']) || 0;\r\n computedMarginA = computedStyle['margin' + dirA];\r\n computedMarginB = computedStyle['margin' + dirB];\r\n\r\n // I do not care for width for now, so this hack is irrelevant\r\n // if ( !supportsPercentMargin )\r\n // computedMarginA = hackPercentMargin( elem, computedStyle, computedMarginA )\r\n // computedMarginB = hackPercentMargin( elem, computedStyle, computedMarginB )\r\n marginA = convertToPx(elem, computedMarginA) || 0;\r\n marginB = convertToPx(elem, computedMarginB) || 0;\r\n\r\n return {\r\n base: base,\r\n padding: paddingA + paddingB,\r\n border: borderA + borderB,\r\n margin: marginA + marginB\r\n };\r\n }\r\n\r\n function getWidthHeight(elem, direction, measure) {\r\n let computedStyle, result;\r\n\r\n let measurements = getMeasurements(elem, direction);\r\n\r\n if (measurements.base > 0) {\r\n return {\r\n base: measurements.base - measurements.padding - measurements.border,\r\n outer: measurements.base,\r\n outerfull: measurements.base + measurements.margin\r\n }[measure];\r\n }\r\n\r\n // Fall back to computed then uncomputed css if necessary\r\n computedStyle = getStyle(elem);\r\n result = computedStyle[direction];\r\n\r\n if (result < 0 || result === null) {\r\n result = elem.style[direction] || 0;\r\n }\r\n\r\n // Normalize \"\", auto, and prepare for extra\r\n result = parseFloat(result) || 0;\r\n\r\n return {\r\n base: result - measurements.padding - measurements.border,\r\n outer: result,\r\n outerfull: result + measurements.padding + measurements.border + measurements.margin\r\n }[measure];\r\n }\r\n\r\n // define missing methods\r\n return angular.forEach({\r\n before(newElem) {\r\n var children, elem, i, j, parent, ref, self;\r\n self = this;\r\n elem = self[0];\r\n parent = self.parent();\r\n children = parent.contents();\r\n if (children[0] === elem) {\r\n return parent.prepend(newElem);\r\n } else {\r\n for (i = j = 1, ref = children.length - 1; 1 <= ref ? j <= ref : j >= ref; i = 1 <= ref ? ++j : --j) {\r\n if (children[i] === elem) {\r\n angular.element(children[i - 1]).after(newElem);\r\n return;\r\n }\r\n }\r\n throw new Error('invalid DOM structure ' + elem.outerHTML);\r\n }\r\n },\r\n height (value){\r\n var self;\r\n self = this;\r\n if (angular.isDefined(value)) {\r\n if (angular.isNumber(value)) {\r\n value = value + 'px';\r\n }\r\n return css.call(self, 'height', value);\r\n } else {\r\n return getWidthHeight(this[0], 'height', 'base');\r\n }\r\n },\r\n outerHeight(option) {\r\n return getWidthHeight(this[0], 'height', option ? 'outerfull' : 'outer');\r\n },\r\n outerWidth(option) {\r\n return getWidthHeight(this[0], 'width', option ? 'outerfull' : 'outer');\r\n },\r\n\r\n /*\r\n The offset setter method is not implemented\r\n */\r\n offset(value) {\r\n let docElem, win;\r\n let self = this;\r\n let box = {\r\n top: 0,\r\n left: 0\r\n };\r\n let elem = self[0];\r\n let doc = elem && elem.ownerDocument;\r\n\r\n if (arguments.length) {\r\n if (value === undefined) {\r\n return self;\r\n }\r\n // TODO: implement setter\r\n throw new Error('offset setter method is not implemented');\r\n }\r\n\r\n if (!doc) {\r\n return;\r\n }\r\n\r\n docElem = doc.documentElement;\r\n\r\n // TODO: Make sure it's not a disconnected DOM node\r\n\r\n if (elem.getBoundingClientRect != null) {\r\n box = elem.getBoundingClientRect();\r\n }\r\n\r\n win = doc.defaultView || doc.parentWindow;\r\n\r\n return {\r\n top: box.top + (win.pageYOffset || docElem.scrollTop) - (docElem.clientTop || 0),\r\n left: box.left + (win.pageXOffset || docElem.scrollLeft) - (docElem.clientLeft || 0)\r\n };\r\n },\r\n scrollTop(value) {\r\n return scrollTo(this, 'top', value);\r\n },\r\n scrollLeft(value) {\r\n return scrollTo(this, 'left', value);\r\n }\r\n }, (value, key) => {\r\n if (!element.prototype[key]) {\r\n return element.prototype[key] = value;\r\n }\r\n });\r\n }\r\n\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/modules/jqLiteExtras.js","import Padding from './padding';\r\n\r\nexport default function Viewport(elementRoutines, buffer, element, viewportController, $rootScope, padding) {\r\n let topPadding = null;\r\n let bottomPadding = null;\r\n const viewport = viewportController && viewportController.viewport ? viewportController.viewport : angular.element(window);\r\n const container = viewportController && viewportController.container ? viewportController.container : undefined;\r\n const scope = viewportController && viewportController.scope ? viewportController.scope : $rootScope;\r\n\r\n viewport.css({\r\n 'overflow-anchor': 'none',\r\n 'overflow-y': 'auto',\r\n 'display': 'block'\r\n });\r\n\r\n function bufferPadding() {\r\n return viewport.outerHeight() * padding; // some extra space to initiate preload\r\n }\r\n\r\n angular.extend(viewport, {\r\n getScope() {\r\n return scope;\r\n },\r\n\r\n createPaddingElements(template) {\r\n topPadding = new Padding(template);\r\n bottomPadding = new Padding(template);\r\n element.before(topPadding);\r\n element.after(bottomPadding);\r\n },\r\n\r\n applyContainerStyle() {\r\n if (container && container !== viewport) {\r\n viewport.css('height', window.getComputedStyle(container[0]).height);\r\n }\r\n },\r\n\r\n bottomDataPos() {\r\n let scrollHeight = viewport[0].scrollHeight;\r\n scrollHeight = scrollHeight != null ? scrollHeight : viewport[0].document.documentElement.scrollHeight;\r\n return scrollHeight - bottomPadding.height();\r\n },\r\n\r\n topDataPos() {\r\n return topPadding.height();\r\n },\r\n\r\n bottomVisiblePos() {\r\n return viewport.scrollTop() + viewport.outerHeight();\r\n },\r\n\r\n topVisiblePos() {\r\n return viewport.scrollTop();\r\n },\r\n\r\n insertElement(e, sibling) {\r\n return elementRoutines.insertElement(e, sibling || topPadding);\r\n },\r\n\r\n insertElementAnimated(e, sibling) {\r\n return elementRoutines.insertElementAnimated(e, sibling || topPadding);\r\n },\r\n\r\n shouldLoadBottom() {\r\n return !buffer.eof && viewport.bottomDataPos() < viewport.bottomVisiblePos() + bufferPadding();\r\n },\r\n\r\n clipBottom() {\r\n // clip the invisible items off the bottom\r\n let overage = 0;\r\n let overageHeight = 0;\r\n let itemHeight = 0;\r\n let emptySpaceHeight = viewport.bottomDataPos() - viewport.bottomVisiblePos() - bufferPadding();\r\n\r\n for (let i = buffer.length - 1; i >= 0; i--) {\r\n itemHeight = buffer[i].element.outerHeight(true);\r\n if (overageHeight + itemHeight > emptySpaceHeight) {\r\n break;\r\n }\r\n bottomPadding.cache.add(buffer[i]);\r\n overageHeight += itemHeight;\r\n overage++;\r\n }\r\n\r\n if (overage > 0) {\r\n buffer.eof = false;\r\n buffer.remove(buffer.length - overage, buffer.length);\r\n buffer.next -= overage;\r\n viewport.adjustPaddings();\r\n }\r\n },\r\n\r\n shouldLoadTop() {\r\n return !buffer.bof && (viewport.topDataPos() > viewport.topVisiblePos() - bufferPadding());\r\n },\r\n\r\n clipTop() {\r\n // clip the invisible items off the top\r\n let overage = 0;\r\n let overageHeight = 0;\r\n let itemHeight = 0;\r\n let emptySpaceHeight = viewport.topVisiblePos() - viewport.topDataPos() - bufferPadding();\r\n\r\n for (let i = 0; i < buffer.length; i++) {\r\n itemHeight = buffer[i].element.outerHeight(true);\r\n if (overageHeight + itemHeight > emptySpaceHeight) {\r\n break;\r\n }\r\n topPadding.cache.add(buffer[i]);\r\n overageHeight += itemHeight;\r\n overage++;\r\n }\r\n\r\n if (overage > 0) {\r\n // we need to adjust top padding element before items are removed from top\r\n // to avoid strange behaviour of scroll bar during remove top items when we are at the very bottom\r\n topPadding.height(topPadding.height() + overageHeight);\r\n buffer.bof = false;\r\n buffer.remove(0, overage);\r\n buffer.first += overage;\r\n }\r\n },\r\n\r\n adjustPaddings() {\r\n if (!buffer.length) {\r\n return;\r\n }\r\n\r\n // precise heights calculation, items that were in buffer once\r\n let topPaddingHeight = topPadding.cache.reduce((summ, item) => summ + (item.index < buffer.first ? item.height : 0), 0);\r\n let bottomPaddingHeight = bottomPadding.cache.reduce((summ, item) => summ + (item.index >= buffer.next ? item.height : 0), 0);\r\n\r\n // average item height based on buffer data\r\n let visibleItemsHeight = buffer.reduce((summ, item) => summ + item.element.outerHeight(true), 0);\r\n let averageItemHeight = (visibleItemsHeight + topPaddingHeight + bottomPaddingHeight) / (buffer.maxIndex - buffer.minIndex + 1);\r\n\r\n // average heights calculation, items that have never been reached\r\n let adjustTopPadding = buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser;\r\n let adjustBottomPadding = buffer.maxIndexUser !== null && buffer.maxIndex < buffer.maxIndexUser;\r\n let topPaddingHeightAdd = adjustTopPadding ? (buffer.minIndex - buffer.minIndexUser) * averageItemHeight : 0;\r\n let bottomPaddingHeightAdd = adjustBottomPadding ? (buffer.maxIndexUser - buffer.maxIndex) * averageItemHeight : 0;\r\n\r\n // paddings combine adjustment\r\n topPadding.height(topPaddingHeight + topPaddingHeightAdd);\r\n bottomPadding.height(bottomPaddingHeight + bottomPaddingHeightAdd);\r\n },\r\n\r\n onAfterMinIndexSet(topPaddingHeightOld) {\r\n // additional scrollTop adjustment in case of datasource.minIndex external set\r\n if (buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser) {\r\n let diff = topPadding.height() - topPaddingHeightOld;\r\n viewport.scrollTop(viewport.scrollTop() + diff);\r\n diff -= viewport.scrollTop();\r\n if(diff > 0) {\r\n bottomPadding.height(bottomPadding.height() + diff);\r\n viewport.scrollTop(viewport.scrollTop() + diff);\r\n }\r\n }\r\n },\r\n\r\n onAfterPrepend(updates) {\r\n if (!updates.prepended.length)\r\n return;\r\n const height = buffer.effectiveHeight(updates.prepended);\r\n const paddingHeight = topPadding.height() - height;\r\n if (paddingHeight >= 0) {\r\n topPadding.height(paddingHeight);\r\n }\r\n else {\r\n topPadding.height(0);\r\n viewport.scrollTop(viewport.scrollTop() - paddingHeight);\r\n }\r\n },\r\n\r\n resetTopPadding() {\r\n topPadding.height(0);\r\n topPadding.cache.clear();\r\n },\r\n\r\n resetBottomPadding() {\r\n bottomPadding.height(0);\r\n bottomPadding.cache.clear();\r\n },\r\n\r\n removeItem(item) {\r\n topPadding.cache.remove(item);\r\n bottomPadding.cache.remove(item);\r\n return buffer.remove(item);\r\n }\r\n });\r\n\r\n return viewport;\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/modules/viewport.js","function Cache() {\r\n const cache = Object.create(Array.prototype);\r\n\r\n angular.extend(cache, {\r\n add(item) {\r\n for (let i = cache.length - 1; i >= 0; i--) {\r\n if (cache[i].index === item.scope.$index) {\r\n cache[i].height = item.element.outerHeight();\r\n return;\r\n }\r\n }\r\n cache.push({\r\n index: item.scope.$index,\r\n height: item.element.outerHeight()\r\n });\r\n cache.sort((a, b) => ((a.index < b.index) ? -1 : ((a.index > b.index) ? 1 : 0)));\r\n },\r\n\r\n remove(item) {\r\n for (let i = cache.length - 1; i >= 0; i--) {\r\n if (cache[i].index === item.scope.$index) {\r\n cache.splice(i, 1);\r\n break;\r\n }\r\n }\r\n for (let i = cache.length - 1; i >= 0; i--) {\r\n if (cache[i].index > item.scope.$index) {\r\n cache[i].index--;\r\n }\r\n }\r\n },\r\n\r\n clear() {\r\n cache.length = 0;\r\n }\r\n });\r\n\r\n return cache;\r\n}\r\n\r\nexport default function Padding(template) {\r\n let result;\r\n\r\n if(template.nodeType !== Node.ELEMENT_NODE) {\r\n throw new Error('ui-scroll directive requires an Element node for templating the view');\r\n }\r\n\r\n switch (template.tagName.toLowerCase()) {\r\n case 'dl':\r\n throw new Error(`ui-scroll directive does not support <${template.tagName}> as a repeating tag: ${template.outerHTML}`);\r\n case 'tr':\r\n let table = angular.element('
    ');\r\n result = table.find('tr');\r\n break;\r\n case 'li':\r\n result = angular.element('
  • ');\r\n break;\r\n default:\r\n result = angular.element('
    ');\r\n }\r\n\r\n result.cache = new Cache();\r\n\r\n return result;\r\n}\n\n\n// WEBPACK FOOTER //\n// ./src/modules/padding.js","import JQLiteExtras from './modules/jqLiteExtras';\nimport ElementRoutines from './modules/elementRoutines.js';\nimport ScrollBuffer from './modules/buffer.js';\nimport Viewport from './modules/viewport.js';\nimport Adapter from './modules/adapter.js';\n\nangular.module('ui.scroll', [])\n\n .service('jqLiteExtras', () => new JQLiteExtras())\n .run(['jqLiteExtras', (jqLiteExtras) =>\n !window.jQuery ? jqLiteExtras.registerFor(angular.element) : null\n ])\n\n .directive('uiScrollViewport', function () {\n return {\n restrict: 'A',\n controller: [\n '$scope',\n '$element',\n function (scope, element) {\n this.container = element;\n this.viewport = element;\n this.scope = scope;\n\n angular.forEach(element.children(), (child => {\n if (child.tagName.toLowerCase() === 'tbody') {\n this.viewport = angular.element(child);\n }\n }));\n\n return this;\n }\n ]\n };\n })\n\n .directive('uiScroll', [\n '$log',\n '$injector',\n '$rootScope',\n '$timeout',\n '$q',\n '$parse',\n function (console, $injector, $rootScope, $timeout, $q, $parse) {\n\n return {\n require: ['?^uiScrollViewport'],\n restrict: 'A',\n transclude: 'element',\n priority: 1000,\n terminal: true,\n link: link\n };\n\n function link($scope, element, $attr, controllers, linker) {\n const match = $attr.uiScroll.match(/^\\s*(\\w+)\\s+in\\s+([(\\w|\\$)\\.]+)\\s*$/);\n if (!match) {\n throw new Error('Expected uiScroll in form of \\'_item_ in _datasource_\\' but got \\'' + $attr.uiScroll + '\\'');\n }\n\n function parseNumericAttr(value, defaultValue) {\n let result = $parse(value)($scope);\n return isNaN(result) ? defaultValue : result;\n }\n\n const BUFFER_MIN = 3;\n const BUFFER_DEFAULT = 10;\n const PADDING_MIN = 0.3;\n const PADDING_DEFAULT = 0.5;\n\n let datasource = null;\n const itemName = match[1];\n const datasourceName = match[2];\n const viewportController = controllers[0];\n const bufferSize = Math.max(BUFFER_MIN, parseNumericAttr($attr.bufferSize, BUFFER_DEFAULT));\n const padding = Math.max(PADDING_MIN, parseNumericAttr($attr.padding, PADDING_DEFAULT));\n let startIndex = parseNumericAttr($attr.startIndex, 1);\n let ridActual = 0;// current data revision id\n let pending = [];\n\n let elementRoutines = new ElementRoutines($injector, $q);\n let buffer = new ScrollBuffer(elementRoutines, bufferSize);\n let viewport = new Viewport(elementRoutines, buffer, element, viewportController, $rootScope, padding);\n let adapter = new Adapter(viewport, buffer, adjustBuffer, reload, $attr, $parse, element, $scope);\n\n if (viewportController) {\n viewportController.adapter = adapter;\n }\n\n let isDatasourceValid = () => angular.isObject(datasource) && angular.isFunction(datasource.get);\n datasource = $parse(datasourceName)($scope); // try to get datasource on scope\n if (!isDatasourceValid()) {\n datasource = $injector.get(datasourceName); // try to inject datasource as service\n if (!isDatasourceValid()) {\n throw new Error(datasourceName + ' is not a valid datasource');\n }\n }\n\n let onRenderHandlers = [];\n function onRenderHandlersRunner() {\n if(onRenderHandlers.length) {\n angular.forEach(onRenderHandlers, (handler) => handler());\n onRenderHandlers = [];\n }\n }\n function preDefineIndexProperty(datasource, propName) {\n let getter;\n // need to postpone min/maxIndexUser processing if the view is empty\n if(datasource.hasOwnProperty(propName) && !buffer.length) {\n getter = datasource[propName];\n delete datasource[propName];\n onRenderHandlers.push(() => datasource[propName] = getter);\n }\n }\n\n function defineIndexProperty(datasource, propName, propUserName) {\n let descriptor = Object.getOwnPropertyDescriptor(datasource, propName);\n if (descriptor && (descriptor.set || descriptor.get)) {\n return;\n }\n let getter;\n preDefineIndexProperty(datasource, propName);\n Object.defineProperty(datasource, propName, {\n set: (value) => {\n getter = value;\n buffer[propUserName] = value;\n let topPaddingHeightOld = viewport.topDataPos();\n viewport.adjustPaddings();\n if (propName === 'minIndex') {\n viewport.onAfterMinIndexSet(topPaddingHeightOld);\n }\n },\n get: () => getter\n });\n }\n\n defineIndexProperty(datasource, 'minIndex', 'minIndexUser');\n defineIndexProperty(datasource, 'maxIndex', 'maxIndexUser');\n\n const fetchNext = (datasource.get.length !== 2) ?\n (success) => datasource.get(buffer.next, bufferSize, success) :\n (success) => {\n datasource.get({\n index: buffer.next,\n append: buffer.length ? buffer[buffer.length - 1].item : void 0,\n count: bufferSize\n }, success);\n };\n\n const fetchPrevious = (datasource.get.length !== 2) ?\n (success) => datasource.get(buffer.first - bufferSize, bufferSize, success) :\n (success) => {\n datasource.get({\n index: buffer.first - bufferSize,\n prepend: buffer.length ? buffer[0].item : void 0,\n count: bufferSize\n }, success);\n };\n\n /**\n * Build padding elements\n *\n * Calling linker is the only way I found to get access to the tag name of the template\n * to prevent the directive scope from pollution a new scope is created and destroyed\n * right after the builder creation is completed\n */\n linker((clone, scope) => {\n viewport.createPaddingElements(clone[0]);\n // we do not include the clone in the DOM. It means that the nested directives will not\n // be able to reach the parent directives, but in this case it is intentional because we\n // created the clone to access the template tag name\n scope.$destroy();\n clone.remove();\n });\n\n $scope.$on('$destroy', () => {\n unbindEvents();\n viewport.unbind('mousewheel', wheelHandler);\n });\n\n viewport.bind('mousewheel', wheelHandler);\n\n $timeout(() => {\n viewport.applyContainerStyle();\n reload();\n });\n\n /* Private function definitions */\n\n function isInvalid(rid) {\n return (rid && rid !== ridActual) || $scope.$$destroyed;\n }\n\n function bindEvents() {\n viewport.bind('resize', resizeAndScrollHandler);\n viewport.bind('scroll', resizeAndScrollHandler);\n }\n\n function unbindEvents() {\n viewport.unbind('resize', resizeAndScrollHandler);\n viewport.unbind('scroll', resizeAndScrollHandler);\n }\n\n function reload() {\n viewport.resetTopPadding();\n viewport.resetBottomPadding();\n if (arguments.length) {\n startIndex = arguments[0];\n }\n buffer.reset(startIndex);\n adjustBuffer();\n }\n\n function isElementVisible(wrapper) {\n return wrapper.element.height() && wrapper.element[0].offsetParent;\n }\n\n function visibilityWatcher(wrapper) {\n if (isElementVisible(wrapper)) {\n buffer.forEach((item) => {\n if (angular.isFunction(item.unregisterVisibilityWatcher)) {\n item.unregisterVisibilityWatcher();\n delete item.unregisterVisibilityWatcher;\n }\n });\n if (!pending.length) {\n $timeout(() => adjustBuffer());\n }\n }\n }\n\n function insertWrapperContent(wrapper, insertAfter) {\n createElement(wrapper, insertAfter, viewport.insertElement);\n if (!isElementVisible(wrapper)) {\n wrapper.unregisterVisibilityWatcher = wrapper.scope.$watch(() => visibilityWatcher(wrapper));\n }\n wrapper.element.addClass('ng-hide'); // hide inserted elements before data binding\n }\n\n function createElement(wrapper, insertAfter, insertElement) {\n let promises = null;\n let sibling = (insertAfter > 0) ? buffer[insertAfter - 1].element : undefined;\n linker((clone, scope) => {\n promises = insertElement(clone, sibling);\n wrapper.element = clone;\n wrapper.scope = scope;\n scope[itemName] = wrapper.item;\n });\n // ui-scroll-grid apply\n if (adapter.transform) {\n let tdInitializer = wrapper.scope.uiScrollTdInitializer;\n if (tdInitializer && tdInitializer.linking) {\n adapter.transform(wrapper.scope, wrapper.element);\n } else {\n wrapper.scope.uiScrollTdInitializer = {\n onLink: () => adapter.transform(wrapper.scope, wrapper.element),\n scope: wrapper.scope\n };\n }\n }\n return promises;\n }\n\n function updateDOM() {\n let promises = [];\n const toBePrepended = [];\n const toBeRemoved = [];\n const inserted = [];\n\n buffer.forEach((wrapper, i) => {\n switch (wrapper.op) {\n case 'prepend':\n toBePrepended.unshift(wrapper);\n break;\n case 'append':\n insertWrapperContent(wrapper, i);\n wrapper.op = 'none';\n inserted.push(wrapper);\n break;\n case 'insert':\n promises = promises.concat(createElement(wrapper, i, viewport.insertElementAnimated));\n wrapper.op = 'none';\n inserted.push(wrapper);\n break;\n case 'remove':\n toBeRemoved.push(wrapper);\n }\n });\n\n toBeRemoved.forEach((wrapper) => promises = promises.concat(viewport.removeItem(wrapper)));\n\n if (toBePrepended.length)\n toBePrepended.forEach((wrapper) => {\n insertWrapperContent(wrapper);\n wrapper.op = 'none';\n });\n\n buffer.forEach((item, i) => item.scope.$index = buffer.first + i);\n\n return {\n prepended: toBePrepended,\n removed: toBeRemoved,\n inserted: inserted,\n animated: promises\n };\n\n }\n\n function updatePaddings(rid, updates) {\n // schedule another adjustBuffer after animation completion\n if (updates.animated.length) {\n $q.all(updates.animated).then(() => {\n viewport.adjustPaddings();\n adjustBuffer(rid);\n });\n } else {\n viewport.adjustPaddings();\n }\n }\n\n function enqueueFetch(rid, updates) {\n if (viewport.shouldLoadBottom()) {\n if (!updates || buffer.effectiveHeight(updates.inserted) > 0) {\n // this means that at least one item appended in the last batch has height > 0\n if (pending.push(true) === 1) {\n adapter.loading(true);\n fetch(rid);\n }\n }\n } else if (viewport.shouldLoadTop()) {\n if ((!updates || buffer.effectiveHeight(updates.prepended) > 0) || pending[0]) {\n // this means that at least one item appended in the last batch has height > 0\n // pending[0] = true means that previous fetch was appending. We need to force at least one prepend\n // BTW there will always be at least 1 element in the pending array because bottom is fetched first\n if (pending.push(false) === 1) {\n adapter.loading(true);\n fetch(rid);\n }\n }\n }\n }\n\n function adjustBuffer(rid) {\n if (!rid) { // dismiss pending requests\n pending = [];\n rid = ++ridActual;\n }\n\n let updates = updateDOM();\n\n // We need the item bindings to be processed before we can do adjustment\n !$scope.$$phase && $scope.$digest();\n\n updates.inserted.forEach(w => w.element.removeClass('ng-hide'));\n updates.prepended.forEach(w => w.element.removeClass('ng-hide'));\n\n if (isInvalid(rid)) {\n return;\n }\n\n updatePaddings(rid, updates);\n enqueueFetch(rid);\n\n if (!pending.length) {\n adapter.calculateProperties();\n }\n }\n\n function adjustBufferAfterFetch(rid) {\n let updates = updateDOM();\n\n // We need the item bindings to be processed before we can do adjustment\n !$scope.$$phase && $scope.$digest();\n\n updates.inserted.forEach(w => w.element.removeClass('ng-hide'));\n updates.prepended.forEach(w => w.element.removeClass('ng-hide'));\n\n viewport.onAfterPrepend(updates);\n\n if (isInvalid(rid)) {\n return;\n }\n\n updatePaddings(rid, updates);\n onRenderHandlersRunner();\n enqueueFetch(rid, updates);\n pending.shift();\n\n if (pending.length)\n fetch(rid);\n else {\n adapter.loading(false);\n bindEvents();\n adapter.calculateProperties();\n }\n }\n\n function fetch(rid) {\n if (pending[0]) {// scrolling down\n if (buffer.length && !viewport.shouldLoadBottom()) {\n adjustBufferAfterFetch(rid);\n } else {\n fetchNext((result) => {\n if (isInvalid(rid)) {\n return;\n }\n\n if (result.length < bufferSize) {\n buffer.eof = true;\n }\n\n if (result.length > 0) {\n viewport.clipTop();\n buffer.append(result);\n }\n\n adjustBufferAfterFetch(rid);\n });\n }\n } else { // scrolling up\n if (buffer.length && !viewport.shouldLoadTop()) {\n adjustBufferAfterFetch(rid);\n } else {\n 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strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction getCtrlOnData(attr, element) {\n var onSyntax = attr.match(/^(.+)(\\s+on\\s+)(.+)?/);\n if (onSyntax && onSyntax.length === 4) {\n window.console.log('Angular ui-scroll adapter assignment warning. \"Controller On\" syntax has been deprecated since ui-scroll v1.6.1.');\n var ctrl = onSyntax[3];\n var tail = onSyntax[1];\n var candidate = element;\n while (candidate.length) {\n var candidateScope = candidate.scope(); // doesn't work when debugInfoEnabled flag = true\n var candidateName = (candidate.attr('ng-controller') || '').match(/(\\w(?:\\w|\\d)*)(?:\\s+as\\s+(\\w(?:\\w|\\d)*))?/);\n if (candidateName && candidateName[1] === ctrl) {\n return {\n target: candidateScope,\n source: tail\n };\n }\n candidate = candidate.parent();\n }\n throw new Error('Angular ui-scroll adapter assignment error. 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(index >= 0 && index < this.buffer.length) {\n this.applyUpdate(this.buffer[index], arg2);\n }\n }\n\n this.adjustBuffer();\n }\n }, {\n key: 'append',\n value: function append(newItems) {\n this.buffer.append(newItems);\n this.adjustBuffer();\n this.viewport.clipTop();\n this.viewport.clipBottom();\n }\n }, {\n key: 'prepend',\n value: function prepend(newItems) {\n this.buffer.prepend(newItems);\n this.adjustBuffer();\n this.viewport.clipTop();\n this.viewport.clipBottom();\n }\n }, {\n key: 'calculateProperties',\n value: function calculateProperties() {\n var rowTop = null,\n topHeight = 0;\n var topDone = false,\n bottomDone = false;\n var length = this.buffer.length;\n\n for (var i = 0; i < length; i++) {\n var item = this.buffer[i];\n var itemTop = item.element.offset().top;\n\n if (rowTop !== itemTop) {\n // a new row condition\n var itemHeight = item.element.outerHeight(true);\n var top = this.viewport.topDataPos() + topHeight + itemHeight;\n\n if (!topDone && top > this.viewport.topVisiblePos()) {\n topDone = true;\n this['topVisible'] = item.item;\n this['topVisibleElement'] = item.element;\n this['topVisibleScope'] = item.scope;\n }\n\n if (!bottomDone && (top >= this.viewport.bottomVisiblePos() || i === length - 1 && this.isEOF())) {\n bottomDone = true;\n this['bottomVisible'] = item.item;\n this['bottomVisibleElement'] = item.element;\n this['bottomVisibleScope'] = item.scope;\n }\n topHeight += itemHeight;\n }\n\n rowTop = itemTop;\n\n if (topDone && bottomDone) {\n break;\n }\n }\n }\n }, {\n key: 'applyUpdate',\n value: function applyUpdate(wrapper, newItems) {\n var _this3 = this;\n\n if (!angular.isArray(newItems)) {\n return;\n }\n\n var position = this.buffer.indexOf(wrapper);\n if (!newItems.reverse().some(function (newItem) {\n return newItem === wrapper.item;\n })) {\n wrapper.op = 'remove';\n if (position === 0 && !newItems.length) {\n wrapper._op = 'isTop'; // to catch \"first\" edge case on remove\n }\n }\n\n newItems.forEach(function (newItem) {\n if (newItem === wrapper.item) {\n position--;\n } else {\n // 3 parameter (isTop) is to catch \"first\" edge case on insert\n _this3.buffer.insert(position + 1, newItem, position === -1);\n }\n });\n }\n }]);\n\n return Adapter;\n}();\n\nexports.default = Adapter;\n\n/***/ }),\n/* 1 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.default = ScrollBuffer;\nfunction ScrollBuffer(elementRoutines, bufferSize) {\n var buffer = Object.create(Array.prototype);\n\n angular.extend(buffer, {\n size: bufferSize,\n\n reset: function reset(startIndex) {\n buffer.remove(0, buffer.length);\n buffer.eof = false;\n buffer.bof = false;\n buffer.first = startIndex;\n buffer.next = startIndex;\n buffer.minIndex = startIndex;\n buffer.maxIndex = startIndex;\n buffer.minIndexUser = null;\n buffer.maxIndexUser = null;\n },\n append: function append(items) {\n items.forEach(function (item) {\n ++buffer.next;\n buffer.insert('append', item);\n });\n buffer.maxIndex = buffer.eof ? buffer.next - 1 : Math.max(buffer.next - 1, buffer.maxIndex);\n },\n prepend: function prepend(items) {\n items.reverse().forEach(function (item) {\n --buffer.first;\n buffer.insert('prepend', item);\n });\n buffer.minIndex = buffer.bof ? buffer.minIndex = buffer.first : Math.min(buffer.first, buffer.minIndex);\n },\n\n\n /**\r\n * inserts wrapped element in the buffer\r\n * the first argument is either operation keyword (see below) or a number for operation 'insert'\r\n * for insert the number is the index for the buffer element the new one have to be inserted after\r\n * operations: 'append', 'prepend', 'insert', 'remove', 'update', 'none'\r\n */\n insert: function insert(operation, item, isTop) {\n var wrapper = {\n item: item\n };\n\n if (operation % 1 === 0) {\n // it is an insert\n wrapper.op = 'insert';\n buffer.splice(operation, 0, wrapper);\n if (isTop) {\n buffer.first--;\n } else {\n buffer.next++;\n }\n } else {\n wrapper.op = operation;\n switch (operation) {\n case 'append':\n buffer.push(wrapper);\n break;\n case 'prepend':\n buffer.unshift(wrapper);\n break;\n }\n }\n },\n\n\n // removes elements from buffer\n remove: function remove(arg1, arg2) {\n if (angular.isNumber(arg1)) {\n // removes items from arg1 (including) through arg2 (excluding)\n for (var i = arg1; i < arg2; i++) {\n elementRoutines.removeElement(buffer[i]);\n }\n\n return buffer.splice(arg1, arg2 - arg1);\n }\n // removes single item(wrapper) from the buffer\n buffer.splice(buffer.indexOf(arg1), 1);\n if (arg1._op === 'isTop') {\n buffer.first++;\n } else {\n buffer.next--;\n }\n if (!buffer.length) {\n buffer.first = 1;\n buffer.next = 1;\n }\n\n return elementRoutines.removeElementAnimated(arg1);\n },\n effectiveHeight: function effectiveHeight(elements) {\n if (!elements.length) {\n return 0;\n }\n var top = Number.MAX_VALUE;\n var bottom = Number.NEGATIVE_INFINITY;\n elements.forEach(function (wrapper) {\n if (wrapper.element[0].offsetParent) {\n // element style is not display:none\n top = Math.min(top, wrapper.element.offset().top);\n bottom = Math.max(bottom, wrapper.element.offset().top + wrapper.element.outerHeight(true));\n }\n });\n return Math.max(0, bottom - top);\n }\n });\n\n return buffer;\n}\n\n/***/ }),\n/* 2 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nvar hideClassToken = 'ng-ui-scroll-hide';\n\nfunction addCSSRule(sheet, selector, rules, index) {\n if ('insertRule' in sheet) {\n sheet.insertRule(selector + '{' + rules + '}', index);\n } else if ('addRule' in sheet) {\n sheet.addRule(selector, rules, index);\n }\n}\n\nvar ElementRoutines = function () {\n function ElementRoutines($injector, $q) {\n _classCallCheck(this, ElementRoutines);\n\n this.$animate = $injector.has && $injector.has('$animate') ? $injector.get('$animate') : null;\n this.isAngularVersionLessThen1_3 = angular.version.major === 1 && angular.version.minor < 3;\n this.$q = $q;\n addCSSRule(document.styleSheets[0], '.' + hideClassToken, 'display: none');\n }\n\n _createClass(ElementRoutines, [{\n key: 'hideElement',\n value: function hideElement(wrapper) {\n wrapper.element.addClass(hideClassToken);\n }\n }, {\n key: 'showElement',\n value: function showElement(wrapper) {\n wrapper.element.removeClass(hideClassToken);\n }\n }, {\n key: 'insertElement',\n value: function insertElement(newElement, previousElement) {\n previousElement.after(newElement);\n return [];\n }\n }, {\n key: 'removeElement',\n value: function removeElement(wrapper) {\n wrapper.element.remove();\n wrapper.scope.$destroy();\n return [];\n }\n }, {\n key: 'insertElementAnimated',\n value: function insertElementAnimated(newElement, previousElement) {\n if (!this.$animate) {\n return this.insertElement(newElement, previousElement);\n }\n\n if (this.isAngularVersionLessThen1_3) {\n var deferred = this.$q.defer();\n // no need for parent - previous element is never null\n this.$animate.enter(newElement, null, previousElement, function () {\n return deferred.resolve();\n });\n\n return [deferred.promise];\n }\n\n // no need for parent - previous element is never null\n return [this.$animate.enter(newElement, null, previousElement)];\n }\n }, {\n key: 'removeElementAnimated',\n value: function removeElementAnimated(wrapper) {\n if (!this.$animate) {\n return this.removeElement(wrapper);\n }\n\n if (this.isAngularVersionLessThen1_3) {\n var deferred = this.$q.defer();\n this.$animate.leave(wrapper.element, function () {\n wrapper.scope.$destroy();\n return deferred.resolve();\n });\n\n return [deferred.promise];\n }\n\n return [this.$animate.leave(wrapper.element).then(function () {\n return wrapper.scope.$destroy();\n })];\n }\n }]);\n\n return ElementRoutines;\n}();\n\nexports.default = ElementRoutines;\n\n/***/ }),\n/* 3 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i[\"return\"]) _i[\"return\"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError(\"Invalid attempt to destructure non-iterable instance\"); } }; }();\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\n/*!\r\n globals: angular, window\r\n List of used element methods available in JQuery but not in JQuery Lite\r\n element.before(elem)\r\n element.height()\r\n element.outerHeight(true)\r\n element.height(value) = only for Top/Bottom padding elements\r\n element.scrollTop()\r\n element.scrollTop(value)\r\n */\n\nvar JQLiteExtras = function () {\n function JQLiteExtras() {\n _classCallCheck(this, JQLiteExtras);\n }\n\n _createClass(JQLiteExtras, [{\n key: 'registerFor',\n value: function registerFor(element) {\n var convertToPx = void 0,\n css = void 0,\n getStyle = void 0,\n isWindow = void 0;\n // angular implementation blows up if elem is the window\n css = angular.element.prototype.css;\n\n element.prototype.css = function (name, value) {\n var self = this;\n var elem = self[0];\n if (!(!elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style)) {\n return css.call(self, name, value);\n }\n };\n\n // as defined in angularjs v1.0.5\n isWindow = function isWindow(obj) {\n return obj && obj.document && obj.location && obj.alert && obj.setInterval;\n };\n\n function scrollTo(self, direction, value) {\n var elem = self[0];\n\n var _top$left$direction = _slicedToArray({\n top: ['scrollTop', 'pageYOffset', 'scrollLeft'],\n left: ['scrollLeft', 'pageXOffset', 'scrollTop']\n }[direction], 3),\n method = _top$left$direction[0],\n prop = _top$left$direction[1],\n preserve = _top$left$direction[2];\n\n if (isWindow(elem)) {\n if (angular.isDefined(value)) {\n return elem.scrollTo(self[preserve].call(self), value);\n }\n return prop in elem ? elem[prop] : elem.document.documentElement[method];\n } else {\n if (angular.isDefined(value)) {\n elem[method] = value;\n }\n return elem[method];\n }\n }\n\n if (window.getComputedStyle) {\n getStyle = function getStyle(elem) {\n return window.getComputedStyle(elem, null);\n };\n convertToPx = function convertToPx(elem, value) {\n return parseFloat(value);\n };\n } else {\n getStyle = function getStyle(elem) {\n return elem.currentStyle;\n };\n convertToPx = function convertToPx(elem, value) {\n var left = void 0,\n result = void 0,\n rs = void 0,\n rsLeft = void 0,\n style = void 0;\n var core_pnum = /[+-]?(?:\\d*\\.|)\\d+(?:[eE][+-]?\\d+|)/.source;\n var rnumnonpx = new RegExp('^(' + core_pnum + ')(?!px)[a-z%]+$', 'i');\n\n if (!rnumnonpx.test(value)) {\n return parseFloat(value);\n }\n\n // ported from JQuery\n style = elem.style;\n left = style.left;\n rs = elem.runtimeStyle;\n rsLeft = rs && rs.left;\n if (rs) {\n rs.left = style.left;\n }\n // put in the new values to get a computed style out\n style.left = value;\n result = style.pixelLeft;\n style.left = left;\n if (rsLeft) {\n rs.left = rsLeft;\n }\n return result;\n };\n }\n\n function getMeasurements(elem, measure) {\n var base = void 0,\n borderA = void 0,\n borderB = void 0,\n computedMarginA = void 0,\n computedMarginB = void 0,\n computedStyle = void 0,\n dirA = void 0,\n dirB = void 0,\n marginA = void 0,\n marginB = void 0,\n paddingA = void 0,\n paddingB = void 0;\n\n if (isWindow(elem)) {\n base = document.documentElement[{ height: 'clientHeight', width: 'clientWidth' }[measure]];\n\n return {\n base: base,\n padding: 0,\n border: 0,\n margin: 0\n };\n }\n\n // Start with offset property\n\n var _width$height$measure = _slicedToArray({\n width: [elem.offsetWidth, 'Left', 'Right'],\n height: [elem.offsetHeight, 'Top', 'Bottom']\n }[measure], 3);\n\n base = _width$height$measure[0];\n dirA = _width$height$measure[1];\n dirB = _width$height$measure[2];\n\n\n computedStyle = getStyle(elem);\n paddingA = convertToPx(elem, computedStyle['padding' + dirA]) || 0;\n paddingB = convertToPx(elem, computedStyle['padding' + dirB]) || 0;\n borderA = convertToPx(elem, computedStyle['border' + dirA + 'Width']) || 0;\n borderB = convertToPx(elem, computedStyle['border' + dirB + 'Width']) || 0;\n computedMarginA = computedStyle['margin' + dirA];\n computedMarginB = computedStyle['margin' + dirB];\n\n // I do not care for width for now, so this hack is irrelevant\n // if ( !supportsPercentMargin )\n // computedMarginA = hackPercentMargin( elem, computedStyle, computedMarginA )\n // computedMarginB = hackPercentMargin( elem, computedStyle, computedMarginB )\n marginA = convertToPx(elem, computedMarginA) || 0;\n marginB = convertToPx(elem, computedMarginB) || 0;\n\n return {\n base: base,\n padding: paddingA + paddingB,\n border: borderA + borderB,\n margin: marginA + marginB\n };\n }\n\n function getWidthHeight(elem, direction, measure) {\n var computedStyle = void 0,\n result = void 0;\n\n var measurements = getMeasurements(elem, direction);\n\n if (measurements.base > 0) {\n return {\n base: measurements.base - measurements.padding - measurements.border,\n outer: measurements.base,\n outerfull: measurements.base + measurements.margin\n }[measure];\n }\n\n // Fall back to computed then uncomputed css if necessary\n computedStyle = getStyle(elem);\n result = computedStyle[direction];\n\n if (result < 0 || result === null) {\n result = elem.style[direction] || 0;\n }\n\n // Normalize \"\", auto, and prepare for extra\n result = parseFloat(result) || 0;\n\n return {\n base: result - measurements.padding - measurements.border,\n outer: result,\n outerfull: result + measurements.padding + measurements.border + measurements.margin\n }[measure];\n }\n\n // define missing methods\n return angular.forEach({\n before: function before(newElem) {\n var children, elem, i, j, parent, ref, self;\n self = this;\n elem = self[0];\n parent = self.parent();\n children = parent.contents();\n if (children[0] === elem) {\n return parent.prepend(newElem);\n } else {\n for (i = j = 1, ref = children.length - 1; 1 <= ref ? j <= ref : j >= ref; i = 1 <= ref ? ++j : --j) {\n if (children[i] === elem) {\n angular.element(children[i - 1]).after(newElem);\n return;\n }\n }\n throw new Error('invalid DOM structure ' + elem.outerHTML);\n }\n },\n height: function height(value) {\n var self;\n self = this;\n if (angular.isDefined(value)) {\n if (angular.isNumber(value)) {\n value = value + 'px';\n }\n return css.call(self, 'height', value);\n } else {\n return getWidthHeight(this[0], 'height', 'base');\n }\n },\n outerHeight: function outerHeight(option) {\n return getWidthHeight(this[0], 'height', option ? 'outerfull' : 'outer');\n },\n outerWidth: function outerWidth(option) {\n return getWidthHeight(this[0], 'width', option ? 'outerfull' : 'outer');\n },\n\n\n /*\r\n The offset setter method is not implemented\r\n */\n offset: function offset(value) {\n var docElem = void 0,\n win = void 0;\n var self = this;\n var box = {\n top: 0,\n left: 0\n };\n var elem = self[0];\n var doc = elem && elem.ownerDocument;\n\n if (arguments.length) {\n if (value === undefined) {\n return self;\n }\n // TODO: implement setter\n throw new Error('offset setter method is not implemented');\n }\n\n if (!doc) {\n return;\n }\n\n docElem = doc.documentElement;\n\n // TODO: Make sure it's not a disconnected DOM node\n\n if (elem.getBoundingClientRect != null) {\n box = elem.getBoundingClientRect();\n }\n\n win = doc.defaultView || doc.parentWindow;\n\n return {\n top: box.top + (win.pageYOffset || docElem.scrollTop) - (docElem.clientTop || 0),\n left: box.left + (win.pageXOffset || docElem.scrollLeft) - (docElem.clientLeft || 0)\n };\n },\n scrollTop: function scrollTop(value) {\n return scrollTo(this, 'top', value);\n },\n scrollLeft: function scrollLeft(value) {\n return scrollTo(this, 'left', value);\n }\n }, function (value, key) {\n if (!element.prototype[key]) {\n return element.prototype[key] = value;\n }\n });\n }\n }]);\n\n return JQLiteExtras;\n}();\n\nexports.default = JQLiteExtras;\n\n/***/ }),\n/* 4 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.default = Viewport;\n\nvar _padding = __webpack_require__(5);\n\nvar _padding2 = _interopRequireDefault(_padding);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction Viewport(elementRoutines, buffer, element, viewportController, $rootScope, padding) {\n var topPadding = null;\n var bottomPadding = null;\n var viewport = viewportController && viewportController.viewport ? viewportController.viewport : angular.element(window);\n var container = viewportController && viewportController.container ? viewportController.container : undefined;\n var scope = viewportController && viewportController.scope ? viewportController.scope : $rootScope;\n\n viewport.css({\n 'overflow-anchor': 'none',\n 'overflow-y': 'auto',\n 'display': 'block'\n });\n\n function bufferPadding() {\n return viewport.outerHeight() * padding; // some extra space to initiate preload\n }\n\n angular.extend(viewport, {\n getScope: function getScope() {\n return scope;\n },\n createPaddingElements: function createPaddingElements(template) {\n topPadding = new _padding2.default(template);\n bottomPadding = new _padding2.default(template);\n element.before(topPadding);\n element.after(bottomPadding);\n },\n applyContainerStyle: function applyContainerStyle() {\n if (container && container !== viewport) {\n viewport.css('height', window.getComputedStyle(container[0]).height);\n }\n },\n bottomDataPos: function bottomDataPos() {\n var scrollHeight = viewport[0].scrollHeight;\n scrollHeight = scrollHeight != null ? scrollHeight : viewport[0].document.documentElement.scrollHeight;\n return scrollHeight - bottomPadding.height();\n },\n topDataPos: function topDataPos() {\n return topPadding.height();\n },\n bottomVisiblePos: function bottomVisiblePos() {\n return viewport.scrollTop() + viewport.outerHeight();\n },\n topVisiblePos: function topVisiblePos() {\n return viewport.scrollTop();\n },\n insertElement: function insertElement(e, sibling) {\n return elementRoutines.insertElement(e, sibling || topPadding);\n },\n insertElementAnimated: function insertElementAnimated(e, sibling) {\n return elementRoutines.insertElementAnimated(e, sibling || topPadding);\n },\n shouldLoadBottom: function shouldLoadBottom() {\n return !buffer.eof && viewport.bottomDataPos() < viewport.bottomVisiblePos() + bufferPadding();\n },\n clipBottom: function clipBottom() {\n // clip the invisible items off the bottom\n var overage = 0;\n var overageHeight = 0;\n var itemHeight = 0;\n var emptySpaceHeight = viewport.bottomDataPos() - viewport.bottomVisiblePos() - bufferPadding();\n\n for (var i = buffer.length - 1; i >= 0; i--) {\n itemHeight = buffer[i].element.outerHeight(true);\n if (overageHeight + itemHeight > emptySpaceHeight) {\n break;\n }\n bottomPadding.cache.add(buffer[i]);\n overageHeight += itemHeight;\n overage++;\n }\n\n if (overage > 0) {\n buffer.eof = false;\n buffer.remove(buffer.length - overage, buffer.length);\n buffer.next -= overage;\n viewport.adjustPaddings();\n }\n },\n shouldLoadTop: function shouldLoadTop() {\n return !buffer.bof && viewport.topDataPos() > viewport.topVisiblePos() - bufferPadding();\n },\n clipTop: function clipTop() {\n // clip the invisible items off the top\n var overage = 0;\n var overageHeight = 0;\n var itemHeight = 0;\n var emptySpaceHeight = viewport.topVisiblePos() - viewport.topDataPos() - bufferPadding();\n\n for (var i = 0; i < buffer.length; i++) {\n itemHeight = buffer[i].element.outerHeight(true);\n if (overageHeight + itemHeight > emptySpaceHeight) {\n break;\n }\n topPadding.cache.add(buffer[i]);\n overageHeight += itemHeight;\n overage++;\n }\n\n if (overage > 0) {\n // we need to adjust top padding element before items are removed from top\n // to avoid strange behaviour of scroll bar during remove top items when we are at the very bottom\n topPadding.height(topPadding.height() + overageHeight);\n buffer.bof = false;\n buffer.remove(0, overage);\n buffer.first += overage;\n }\n },\n adjustPaddings: function adjustPaddings() {\n if (!buffer.length) {\n return;\n }\n\n // precise heights calculation, items that were in buffer once\n var topPaddingHeight = topPadding.cache.reduce(function (summ, item) {\n return summ + (item.index < buffer.first ? item.height : 0);\n }, 0);\n var bottomPaddingHeight = bottomPadding.cache.reduce(function (summ, item) {\n return summ + (item.index >= buffer.next ? item.height : 0);\n }, 0);\n\n // average item height based on buffer data\n var visibleItemsHeight = buffer.reduce(function (summ, item) {\n return summ + item.element.outerHeight(true);\n }, 0);\n var averageItemHeight = (visibleItemsHeight + topPaddingHeight + bottomPaddingHeight) / (buffer.maxIndex - buffer.minIndex + 1);\n\n // average heights calculation, items that have never been reached\n var adjustTopPadding = buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser;\n var adjustBottomPadding = buffer.maxIndexUser !== null && buffer.maxIndex < buffer.maxIndexUser;\n var topPaddingHeightAdd = adjustTopPadding ? (buffer.minIndex - buffer.minIndexUser) * averageItemHeight : 0;\n var bottomPaddingHeightAdd = adjustBottomPadding ? (buffer.maxIndexUser - buffer.maxIndex) * averageItemHeight : 0;\n\n // paddings combine adjustment\n topPadding.height(topPaddingHeight + topPaddingHeightAdd);\n bottomPadding.height(bottomPaddingHeight + bottomPaddingHeightAdd);\n },\n onAfterMinIndexSet: function onAfterMinIndexSet(topPaddingHeightOld) {\n // additional scrollTop adjustment in case of datasource.minIndex external set\n if (buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser) {\n var diff = topPadding.height() - topPaddingHeightOld;\n viewport.scrollTop(viewport.scrollTop() + diff);\n diff -= viewport.scrollTop();\n if (diff > 0) {\n bottomPadding.height(bottomPadding.height() + diff);\n viewport.scrollTop(viewport.scrollTop() + diff);\n }\n }\n },\n onAfterPrepend: function onAfterPrepend(updates) {\n if (!updates.prepended.length) return;\n var height = buffer.effectiveHeight(updates.prepended);\n var paddingHeight = topPadding.height() - height;\n if (paddingHeight >= 0) {\n topPadding.height(paddingHeight);\n } else {\n topPadding.height(0);\n viewport.scrollTop(viewport.scrollTop() - paddingHeight);\n }\n },\n resetTopPadding: function resetTopPadding() {\n topPadding.height(0);\n topPadding.cache.clear();\n },\n resetBottomPadding: function resetBottomPadding() {\n bottomPadding.height(0);\n bottomPadding.cache.clear();\n },\n removeItem: function removeItem(item) {\n topPadding.cache.remove(item);\n bottomPadding.cache.remove(item);\n return buffer.remove(item);\n }\n });\n\n return viewport;\n}\n\n/***/ }),\n/* 5 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nexports.default = Padding;\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\n// Can't just extend the Array, due to Babel does not support built-in classes extending\n// This solution was taken from https://stackoverflow.com/questions/46897414/es6-class-extends-array-workaround-for-es5-babel-transpile\nvar CacheProto = function () {\n function CacheProto() {\n _classCallCheck(this, CacheProto);\n }\n\n _createClass(CacheProto, [{\n key: 'add',\n value: function add(item) {\n for (var i = this.length - 1; i >= 0; i--) {\n if (this[i].index === item.scope.$index) {\n this[i].height = item.element.outerHeight();\n return;\n }\n }\n this.push({\n index: item.scope.$index,\n height: item.element.outerHeight()\n });\n this.sort(function (a, b) {\n return a.index < b.index ? -1 : a.index > b.index ? 1 : 0;\n });\n }\n }, {\n key: 'remove',\n value: function remove(itemToRemove) {\n for (var i = this.length - 1; i >= 0; i--) {\n if (this[i].index === itemToRemove.scope.$index) {\n this.splice(i, 1);\n break;\n }\n }\n if (itemToRemove._op !== 'isTop') {\n for (var _i = this.length - 1; _i >= 0; _i--) {\n if (this[_i].index > itemToRemove.scope.$index) {\n this[_i].index--;\n }\n }\n }\n }\n }, {\n key: 'clear',\n value: function clear() {\n this.length = 0;\n }\n }]);\n\n return CacheProto;\n}();\n\nfunction Cache() {\n var instance = [];\n instance.push.apply(instance, arguments);\n Object.setPrototypeOf(instance, Cache.prototype);\n return instance;\n}\nCache.prototype = Object.create(Array.prototype);\nObject.getOwnPropertyNames(CacheProto.prototype).forEach(function (methodName) {\n return Cache.prototype[methodName] = CacheProto.prototype[methodName];\n});\n\nfunction Padding(template) {\n var result = void 0;\n\n if (template.nodeType !== Node.ELEMENT_NODE) {\n throw new Error('ui-scroll directive requires an Element node for templating the view');\n }\n\n switch (template.tagName.toLowerCase()) {\n case 'dl':\n throw new Error('ui-scroll directive does not support <' + template.tagName + '> as a repeating tag: ' + template.outerHTML);\n case 'tr':\n var table = angular.element('
    ');\n result = table.find('tr');\n break;\n case 'li':\n result = angular.element('
  • ');\n break;\n default:\n result = angular.element('
    ');\n }\n\n result.cache = new Cache();\n\n return result;\n}\n\n/***/ }),\n/* 6 */,\n/* 7 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nvar _jqLiteExtras = __webpack_require__(3);\n\nvar _jqLiteExtras2 = _interopRequireDefault(_jqLiteExtras);\n\nvar _elementRoutines = __webpack_require__(2);\n\nvar _elementRoutines2 = _interopRequireDefault(_elementRoutines);\n\nvar _buffer = __webpack_require__(1);\n\nvar _buffer2 = _interopRequireDefault(_buffer);\n\nvar _viewport = __webpack_require__(4);\n\nvar _viewport2 = _interopRequireDefault(_viewport);\n\nvar _adapter = __webpack_require__(0);\n\nvar _adapter2 = _interopRequireDefault(_adapter);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nangular.module('ui.scroll', []).service('jqLiteExtras', function () {\n return new _jqLiteExtras2.default();\n}).run(['jqLiteExtras', function (jqLiteExtras) {\n return !window.jQuery ? jqLiteExtras.registerFor(angular.element) : null;\n}]).directive('uiScrollViewport', function () {\n return {\n restrict: 'A',\n controller: ['$scope', '$element', function (scope, element) {\n var _this = this;\n\n this.container = element;\n this.viewport = element;\n this.scope = scope;\n\n angular.forEach(element.children(), function (child) {\n if (child.tagName.toLowerCase() === 'tbody') {\n _this.viewport = angular.element(child);\n }\n });\n\n return this;\n }]\n };\n}).directive('uiScroll', ['$log', '$injector', '$rootScope', '$timeout', '$q', '$parse', function (console, $injector, $rootScope, $timeout, $q, $parse) {\n\n return {\n require: ['?^uiScrollViewport'],\n restrict: 'A',\n transclude: 'element',\n priority: 1000,\n terminal: true,\n link: link\n };\n\n function link($scope, element, $attr, controllers, linker) {\n var match = $attr.uiScroll.match(/^\\s*(\\w+)\\s+in\\s+([(\\w|\\$)\\.]+)\\s*$/);\n if (!match) {\n throw new Error('Expected uiScroll in form of \\'_item_ in _datasource_\\' but got \\'' + $attr.uiScroll + '\\'');\n }\n\n function parseNumericAttr(value, defaultValue) {\n var result = $parse(value)($scope);\n return isNaN(result) ? defaultValue : result;\n }\n\n var BUFFER_MIN = 3;\n var BUFFER_DEFAULT = 10;\n var PADDING_MIN = 0.3;\n var PADDING_DEFAULT = 0.5;\n\n var datasource = null;\n var itemName = match[1];\n var datasourceName = match[2];\n var viewportController = controllers[0];\n var bufferSize = Math.max(BUFFER_MIN, parseNumericAttr($attr.bufferSize, BUFFER_DEFAULT));\n var padding = Math.max(PADDING_MIN, parseNumericAttr($attr.padding, PADDING_DEFAULT));\n var startIndex = parseNumericAttr($attr.startIndex, 1);\n var ridActual = 0; // current data revision id\n var pending = [];\n\n var elementRoutines = new _elementRoutines2.default($injector, $q);\n var buffer = new _buffer2.default(elementRoutines, bufferSize);\n var viewport = new _viewport2.default(elementRoutines, buffer, element, viewportController, $rootScope, padding);\n var adapter = new _adapter2.default(viewport, buffer, adjustBuffer, reload, $attr, $parse, element, $scope);\n\n if (viewportController) {\n viewportController.adapter = adapter;\n }\n\n var isDatasourceValid = function isDatasourceValid() {\n return angular.isObject(datasource) && angular.isFunction(datasource.get);\n };\n datasource = $parse(datasourceName)($scope); // try to get datasource on scope\n if (!isDatasourceValid()) {\n datasource = $injector.get(datasourceName); // try to inject datasource as service\n if (!isDatasourceValid()) {\n throw new Error(datasourceName + ' is not a valid datasource');\n }\n }\n\n var onRenderHandlers = [];\n function onRenderHandlersRunner() {\n if (onRenderHandlers.length) {\n angular.forEach(onRenderHandlers, function (handler) {\n return handler();\n });\n onRenderHandlers = [];\n }\n }\n function preDefineIndexProperty(datasource, propName) {\n var getter = void 0;\n // need to postpone min/maxIndexUser processing if the view is empty\n if (datasource.hasOwnProperty(propName) && !buffer.length) {\n getter = datasource[propName];\n delete datasource[propName];\n onRenderHandlers.push(function () {\n return datasource[propName] = getter;\n });\n }\n }\n\n function defineIndexProperty(datasource, propName, propUserName) {\n var descriptor = Object.getOwnPropertyDescriptor(datasource, propName);\n if (descriptor && (descriptor.set || descriptor.get)) {\n return;\n }\n var getter = void 0;\n preDefineIndexProperty(datasource, propName);\n Object.defineProperty(datasource, propName, {\n set: function set(value) {\n getter = value;\n buffer[propUserName] = value;\n var topPaddingHeightOld = viewport.topDataPos();\n viewport.adjustPaddings();\n if (propName === 'minIndex') {\n viewport.onAfterMinIndexSet(topPaddingHeightOld);\n }\n },\n get: function get() {\n return getter;\n }\n });\n }\n\n defineIndexProperty(datasource, 'minIndex', 'minIndexUser');\n defineIndexProperty(datasource, 'maxIndex', 'maxIndexUser');\n\n var fetchNext = datasource.get.length !== 2 ? function (success) {\n return datasource.get(buffer.next, bufferSize, success);\n } : function (success) {\n datasource.get({\n index: buffer.next,\n append: buffer.length ? buffer[buffer.length - 1].item : void 0,\n count: bufferSize\n }, success);\n };\n\n var fetchPrevious = datasource.get.length !== 2 ? function (success) {\n return datasource.get(buffer.first - bufferSize, bufferSize, success);\n } : function (success) {\n datasource.get({\n index: buffer.first - bufferSize,\n prepend: buffer.length ? buffer[0].item : void 0,\n count: bufferSize\n }, success);\n };\n\n /**\r\n * Build padding elements\r\n *\r\n * Calling linker is the only way I found to get access to the tag name of the template\r\n * to prevent the directive scope from pollution a new scope is created and destroyed\r\n * right after the builder creation is completed\r\n */\n linker(function (clone, scope) {\n viewport.createPaddingElements(clone[0]);\n // we do not include the clone in the DOM. It means that the nested directives will not\n // be able to reach the parent directives, but in this case it is intentional because we\n // created the clone to access the template tag name\n scope.$destroy();\n clone.remove();\n });\n\n $scope.$on('$destroy', function () {\n unbindEvents();\n viewport.unbind('mousewheel', wheelHandler);\n });\n\n viewport.bind('mousewheel', wheelHandler);\n\n $timeout(function () {\n viewport.applyContainerStyle();\n reload();\n });\n\n /* Private function definitions */\n\n function isInvalid(rid) {\n return rid && rid !== ridActual || $scope.$$destroyed;\n }\n\n function bindEvents() {\n viewport.bind('resize', resizeAndScrollHandler);\n viewport.bind('scroll', resizeAndScrollHandler);\n }\n\n function unbindEvents() {\n viewport.unbind('resize', resizeAndScrollHandler);\n viewport.unbind('scroll', resizeAndScrollHandler);\n }\n\n function reload() {\n viewport.resetTopPadding();\n viewport.resetBottomPadding();\n if (arguments.length) {\n startIndex = arguments[0];\n }\n buffer.reset(startIndex);\n adjustBuffer();\n }\n\n function isElementVisible(wrapper) {\n return wrapper.element.height() && wrapper.element[0].offsetParent;\n }\n\n function visibilityWatcher(wrapper) {\n if (isElementVisible(wrapper)) {\n buffer.forEach(function (item) {\n if (angular.isFunction(item.unregisterVisibilityWatcher)) {\n item.unregisterVisibilityWatcher();\n delete item.unregisterVisibilityWatcher;\n }\n });\n if (!pending.length) {\n $timeout(function () {\n return adjustBuffer();\n });\n }\n }\n }\n\n function insertWrapperContent(wrapper, insertAfter) {\n createElement(wrapper, insertAfter, viewport.insertElement);\n if (!isElementVisible(wrapper)) {\n wrapper.unregisterVisibilityWatcher = wrapper.scope.$watch(function () {\n return visibilityWatcher(wrapper);\n });\n }\n elementRoutines.hideElement(wrapper); // hide inserted elements before data binding\n }\n\n function createElement(wrapper, insertAfter, insertElement) {\n var promises = null;\n var sibling = insertAfter > 0 ? buffer[insertAfter - 1].element : undefined;\n linker(function (clone, scope) {\n promises = insertElement(clone, sibling);\n wrapper.element = clone;\n wrapper.scope = scope;\n scope[itemName] = wrapper.item;\n });\n // ui-scroll-grid apply\n if (adapter.transform) {\n var tdInitializer = wrapper.scope.uiScrollTdInitializer;\n if (tdInitializer && tdInitializer.linking) {\n adapter.transform(wrapper.scope, wrapper.element);\n } else {\n wrapper.scope.uiScrollTdInitializer = {\n onLink: function onLink() {\n return adapter.transform(wrapper.scope, wrapper.element);\n },\n scope: wrapper.scope\n };\n }\n }\n return promises;\n }\n\n function updateDOM() {\n var promises = [];\n var toBePrepended = [];\n var toBeRemoved = [];\n var inserted = [];\n\n buffer.forEach(function (wrapper, i) {\n switch (wrapper.op) {\n case 'prepend':\n toBePrepended.unshift(wrapper);\n break;\n case 'append':\n insertWrapperContent(wrapper, i);\n wrapper.op = 'none';\n inserted.push(wrapper);\n break;\n case 'insert':\n promises = promises.concat(createElement(wrapper, i, viewport.insertElementAnimated));\n wrapper.op = 'none';\n inserted.push(wrapper);\n break;\n case 'remove':\n toBeRemoved.push(wrapper);\n }\n });\n\n toBeRemoved.forEach(function (wrapper) {\n return promises = promises.concat(viewport.removeItem(wrapper));\n });\n\n if (toBePrepended.length) toBePrepended.forEach(function (wrapper) {\n insertWrapperContent(wrapper);\n wrapper.op = 'none';\n });\n\n buffer.forEach(function (item, i) {\n return item.scope.$index = buffer.first + i;\n });\n\n return {\n prepended: toBePrepended,\n removed: toBeRemoved,\n inserted: inserted,\n animated: promises\n };\n }\n\n function updatePaddings(rid, updates) {\n // schedule another adjustBuffer after animation completion\n if (updates.animated.length) {\n $q.all(updates.animated).then(function () {\n viewport.adjustPaddings();\n adjustBuffer(rid);\n });\n } else {\n viewport.adjustPaddings();\n }\n }\n\n function enqueueFetch(rid, updates) {\n if (viewport.shouldLoadBottom()) {\n if (!updates || buffer.effectiveHeight(updates.inserted) > 0) {\n // this means that at least one item appended in the last batch has height > 0\n if (pending.push(true) === 1) {\n adapter.loading(true);\n fetch(rid);\n }\n }\n } else if (viewport.shouldLoadTop()) {\n if (!updates || buffer.effectiveHeight(updates.prepended) > 0 || pending[0]) {\n // this means that at least one item appended in the last batch has height > 0\n // pending[0] = true means that previous fetch was appending. We need to force at least one prepend\n // BTW there will always be at least 1 element in the pending array because bottom is fetched first\n if (pending.push(false) === 1) {\n adapter.loading(true);\n fetch(rid);\n }\n }\n }\n }\n\n function processUpdates() {\n var updates = updateDOM();\n\n // We need the item bindings to be processed before we can do adjustments\n !$scope.$$phase && $scope.$digest();\n\n updates.inserted.forEach(function (w) {\n return elementRoutines.showElement(w);\n });\n updates.prepended.forEach(function (w) {\n return elementRoutines.showElement(w);\n });\n return updates;\n }\n\n function adjustBuffer(rid) {\n if (!rid) {\n // dismiss pending requests\n pending = [];\n rid = ++ridActual;\n }\n\n var updates = processUpdates();\n\n if (isInvalid(rid)) {\n return;\n }\n\n updatePaddings(rid, updates);\n enqueueFetch(rid);\n\n if (!pending.length) {\n adapter.calculateProperties();\n }\n }\n\n function adjustBufferAfterFetch(rid) {\n var updates = processUpdates();\n\n viewport.onAfterPrepend(updates);\n\n if (isInvalid(rid)) {\n return;\n }\n\n updatePaddings(rid, updates);\n onRenderHandlersRunner();\n enqueueFetch(rid, updates);\n pending.shift();\n\n if (pending.length) fetch(rid);else {\n adapter.loading(false);\n bindEvents();\n adapter.calculateProperties();\n }\n }\n\n function fetch(rid) {\n if (pending[0]) {\n // scrolling down\n if (buffer.length && !viewport.shouldLoadBottom()) {\n adjustBufferAfterFetch(rid);\n } else {\n fetchNext(function (result) {\n if (isInvalid(rid)) {\n return;\n }\n\n if (result.length < bufferSize) {\n buffer.eof = true;\n }\n\n if (result.length > 0) {\n viewport.clipTop();\n buffer.append(result);\n }\n\n adjustBufferAfterFetch(rid);\n });\n }\n } else {\n // scrolling up\n if (buffer.length && !viewport.shouldLoadTop()) {\n adjustBufferAfterFetch(rid);\n } else {\n fetchPrevious(function (result) {\n if (isInvalid(rid)) {\n return;\n }\n\n if (result.length < bufferSize) {\n buffer.bof = true;\n // log 'bof is reached'\n }\n\n if (result.length > 0) {\n if (buffer.length) {\n viewport.clipBottom();\n }\n buffer.prepend(result);\n }\n\n adjustBufferAfterFetch(rid);\n });\n }\n }\n }\n\n function resizeAndScrollHandler() {\n if (!$rootScope.$$phase && !adapter.isLoading && !adapter.disabled) {\n\n enqueueFetch(ridActual);\n\n if (pending.length) {\n unbindEvents();\n } else {\n adapter.calculateProperties();\n !$scope.$$phase && $scope.$digest();\n }\n }\n }\n\n function wheelHandler(event) {\n if (!adapter.disabled) {\n var scrollTop = viewport[0].scrollTop;\n var yMax = viewport[0].scrollHeight - viewport[0].clientHeight;\n\n if (scrollTop === 0 && !buffer.bof || scrollTop === yMax && !buffer.eof) {\n event.preventDefault();\n }\n }\n }\n }\n}]);\n\n/***/ })\n/******/ ]);\n\n\n// WEBPACK FOOTER //\n// ui-scroll.min.js"," \t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId]) {\n \t\t\treturn installedModules[moduleId].exports;\n \t\t}\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\ti: moduleId,\n \t\t\tl: false,\n \t\t\texports: {}\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.l = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// identity function for calling harmony imports with the correct context\n \t__webpack_require__.i = function(value) { return value; };\n\n \t// define getter function for harmony exports\n \t__webpack_require__.d = function(exports, name, getter) {\n \t\tif(!__webpack_require__.o(exports, name)) {\n \t\t\tObject.defineProperty(exports, name, {\n \t\t\t\tconfigurable: false,\n \t\t\t\tenumerable: true,\n \t\t\t\tget: getter\n \t\t\t});\n \t\t}\n \t};\n\n \t// getDefaultExport function for compatibility with non-harmony modules\n \t__webpack_require__.n = function(module) {\n \t\tvar getter = module && module.__esModule ?\n \t\t\tfunction getDefault() { return module['default']; } :\n \t\t\tfunction getModuleExports() { return module; };\n \t\t__webpack_require__.d(getter, 'a', getter);\n \t\treturn getter;\n \t};\n\n \t// Object.prototype.hasOwnProperty.call\n \t__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"\";\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(__webpack_require__.s = 7);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap cc2ee8bfebb152b1baab","function getCtrlOnData(attr, element) {\r\n let onSyntax = attr.match(/^(.+)(\\s+on\\s+)(.+)?/);\r\n if (onSyntax && onSyntax.length === 4) {\r\n window.console.log('Angular ui-scroll adapter assignment warning. \"Controller On\" syntax has been deprecated since ui-scroll v1.6.1.');\r\n let ctrl = onSyntax[3];\r\n let tail = onSyntax[1];\r\n let candidate = element;\r\n while (candidate.length) {\r\n let candidateScope = candidate.scope(); // doesn't work when debugInfoEnabled flag = true\r\n let candidateName = (candidate.attr('ng-controller') || '').match(/(\\w(?:\\w|\\d)*)(?:\\s+as\\s+(\\w(?:\\w|\\d)*))?/);\r\n if (candidateName && candidateName[1] === ctrl) {\r\n return {\r\n target: candidateScope,\r\n source: tail\r\n };\r\n }\r\n candidate = candidate.parent();\r\n }\r\n throw new Error('Angular ui-scroll adapter assignment error. Failed to locate target controller \"' + ctrl + '\" to inject \"' + tail + '\"');\r\n }\r\n}\r\n\r\nclass Adapter {\r\n\r\n constructor(viewport, buffer, adjustBuffer, reload, $attr, $parse, element, $scope) {\r\n this.viewport = viewport;\r\n this.buffer = buffer;\r\n this.adjustBuffer = adjustBuffer;\r\n this.reload = reload;\r\n\r\n this.isLoading = false;\r\n this.disabled = false;\r\n\r\n const viewportScope = viewport.getScope();\r\n this.startScope = viewportScope.$parent ? viewportScope : $scope;\r\n\r\n this.publicContext = {};\r\n this.assignAdapter($attr.adapter, $parse, element);\r\n this.generatePublicContext($attr, $parse);\r\n }\r\n\r\n assignAdapter(adapterAttr, $parse, element) {\r\n if (!adapterAttr || !(adapterAttr = adapterAttr.replace(/^\\s+|\\s+$/gm, ''))) {\r\n return;\r\n }\r\n let ctrlOnData = getCtrlOnData(adapterAttr, element);\r\n let adapterOnScope;\r\n\r\n try {\r\n if (ctrlOnData) { // \"Controller On\", deprecated since v1.6.1\r\n $parse(ctrlOnData.source).assign(ctrlOnData.target, {});\r\n adapterOnScope = $parse(ctrlOnData.source)(ctrlOnData.target);\r\n }\r\n else {\r\n $parse(adapterAttr).assign(this.startScope, {});\r\n adapterOnScope = $parse(adapterAttr)(this.startScope);\r\n }\r\n }\r\n catch (error) {\r\n error.message = `Angular ui-scroll Adapter assignment exception.\\n` +\r\n `Can't parse \"${adapterAttr}\" expression.\\n` +\r\n error.message;\r\n throw error;\r\n }\r\n\r\n angular.extend(adapterOnScope, this.publicContext);\r\n this.publicContext = adapterOnScope;\r\n }\r\n\r\n generatePublicContext($attr, $parse) {\r\n // these methods will be accessible out of ui-scroll via user defined adapter\r\n const publicMethods = ['reload', 'applyUpdates', 'append', 'prepend', 'isBOF', 'isEOF', 'isEmpty'];\r\n for (let i = publicMethods.length - 1; i >= 0; i--) {\r\n this.publicContext[publicMethods[i]] = this[publicMethods[i]].bind(this);\r\n }\r\n\r\n // these read-only props will be accessible out of ui-scroll via user defined adapter\r\n const publicProps = ['isLoading', 'topVisible', 'topVisibleElement', 'topVisibleScope', 'bottomVisible', 'bottomVisibleElement', 'bottomVisibleScope'];\r\n for (let i = publicProps.length - 1; i >= 0; i--) {\r\n let property, attr = $attr[publicProps[i]];\r\n Object.defineProperty(this, publicProps[i], {\r\n get: () => property,\r\n set: (value) => {\r\n property = value;\r\n this.publicContext[publicProps[i]] = value;\r\n if (attr) {\r\n $parse(attr).assign(this.startScope, value);\r\n }\r\n }\r\n });\r\n }\r\n\r\n // non-read-only public property\r\n Object.defineProperty(this.publicContext, 'disabled', {\r\n get: () => this.disabled,\r\n set: (value) => (!(this.disabled = value)) ? this.adjustBuffer() : null\r\n });\r\n }\r\n\r\n loading(value) {\r\n this['isLoading'] = value;\r\n }\r\n\r\n isBOF() {\r\n return this.buffer.bof;\r\n }\r\n\r\n isEOF() {\r\n return this.buffer.eof;\r\n }\r\n\r\n isEmpty() {\r\n return !this.buffer.length;\r\n }\r\n\r\n applyUpdates(arg1, arg2) {\r\n if (angular.isFunction(arg1)) {\r\n // arg1 is the updater function, arg2 is ignored\r\n this.buffer.slice(0).forEach((wrapper) => {\r\n // we need to do it on the buffer clone, because buffer content\r\n // may change as we iterate through\r\n this.applyUpdate(wrapper, arg1(wrapper.item, wrapper.scope, wrapper.element));\r\n });\r\n } else {\r\n // arg1 is item index, arg2 is the newItems array\r\n if (arg1 % 1 !== 0) {// checking if it is an integer\r\n throw new Error('applyUpdates - ' + arg1 + ' is not a valid index');\r\n }\r\n\r\n const index = arg1 - this.buffer.first;\r\n if ((index >= 0 && index < this.buffer.length)) {\r\n this.applyUpdate(this.buffer[index], arg2);\r\n }\r\n }\r\n\r\n this.adjustBuffer();\r\n }\r\n\r\n append(newItems) {\r\n this.buffer.append(newItems);\r\n this.adjustBuffer();\r\n this.viewport.clipTop();\r\n this.viewport.clipBottom();\r\n }\r\n\r\n prepend(newItems) {\r\n this.buffer.prepend(newItems);\r\n this.adjustBuffer();\r\n this.viewport.clipTop();\r\n this.viewport.clipBottom();\r\n }\r\n\r\n calculateProperties() {\r\n let rowTop = null, topHeight = 0;\r\n let topDone = false, bottomDone = false;\r\n const length = this.buffer.length;\r\n\r\n for (let i = 0; i < length; i++) {\r\n const item = this.buffer[i];\r\n const itemTop = item.element.offset().top;\r\n\r\n if (rowTop !== itemTop) { // a new row condition\r\n const itemHeight = item.element.outerHeight(true);\r\n const top = this.viewport.topDataPos() + topHeight + itemHeight;\r\n\r\n if (!topDone && top > this.viewport.topVisiblePos()) {\r\n topDone = true;\r\n this['topVisible'] = item.item;\r\n this['topVisibleElement'] = item.element;\r\n this['topVisibleScope'] = item.scope;\r\n }\r\n\r\n if (!bottomDone && (top >= this.viewport.bottomVisiblePos() || (i === length - 1 && this.isEOF()))) {\r\n bottomDone = true;\r\n this['bottomVisible'] = item.item;\r\n this['bottomVisibleElement'] = item.element;\r\n this['bottomVisibleScope'] = item.scope;\r\n }\r\n topHeight += itemHeight;\r\n }\r\n\r\n rowTop = itemTop;\r\n\r\n if (topDone && bottomDone) {\r\n break;\r\n }\r\n }\r\n }\r\n\r\n applyUpdate(wrapper, newItems) {\r\n if (!angular.isArray(newItems)) {\r\n return;\r\n }\r\n\r\n let position = (this.buffer.indexOf(wrapper));\r\n if (!newItems.reverse().some((newItem) => newItem === wrapper.item)) {\r\n wrapper.op = 'remove';\r\n if(position === 0 && !newItems.length) {\r\n wrapper._op = 'isTop'; // to catch \"first\" edge case on remove\r\n }\r\n }\r\n\r\n newItems.forEach((newItem) => {\r\n if (newItem === wrapper.item) {\r\n position--;\r\n } else {\r\n // 3 parameter (isTop) is to catch \"first\" edge case on insert\r\n this.buffer.insert(position + 1, newItem, position === -1);\r\n }\r\n });\r\n }\r\n\r\n}\r\n\r\nexport default Adapter;\n\n\n// WEBPACK FOOTER //\n// ./src/modules/adapter.js","export default function ScrollBuffer(elementRoutines, bufferSize) {\r\n const buffer = Object.create(Array.prototype);\r\n\r\n angular.extend(buffer, {\r\n size: bufferSize,\r\n\r\n reset(startIndex) {\r\n buffer.remove(0, buffer.length);\r\n buffer.eof = false;\r\n buffer.bof = false;\r\n buffer.first = startIndex;\r\n buffer.next = startIndex;\r\n buffer.minIndex = startIndex;\r\n buffer.maxIndex = startIndex;\r\n buffer.minIndexUser = null;\r\n buffer.maxIndexUser = null;\r\n },\r\n\r\n append(items) {\r\n items.forEach((item) => {\r\n ++buffer.next;\r\n buffer.insert('append', item);\r\n });\r\n buffer.maxIndex = buffer.eof ? buffer.next - 1 : Math.max(buffer.next - 1, buffer.maxIndex);\r\n },\r\n\r\n prepend(items) {\r\n items.reverse().forEach((item) => {\r\n --buffer.first;\r\n buffer.insert('prepend', item);\r\n });\r\n buffer.minIndex = buffer.bof ? buffer.minIndex = buffer.first : Math.min(buffer.first, buffer.minIndex);\r\n },\r\n\r\n /**\r\n * inserts wrapped element in the buffer\r\n * the first argument is either operation keyword (see below) or a number for operation 'insert'\r\n * for insert the number is the index for the buffer element the new one have to be inserted after\r\n * operations: 'append', 'prepend', 'insert', 'remove', 'update', 'none'\r\n */\r\n insert(operation, item, isTop) {\r\n const wrapper = {\r\n item: item\r\n };\r\n\r\n if (operation % 1 === 0) {// it is an insert\r\n wrapper.op = 'insert';\r\n buffer.splice(operation, 0, wrapper);\r\n if(isTop) {\r\n buffer.first--;\r\n }\r\n else {\r\n buffer.next++;\r\n }\r\n } else {\r\n wrapper.op = operation;\r\n switch (operation) {\r\n case 'append':\r\n buffer.push(wrapper);\r\n break;\r\n case 'prepend':\r\n buffer.unshift(wrapper);\r\n break;\r\n }\r\n }\r\n },\r\n\r\n // removes elements from buffer\r\n remove(arg1, arg2) {\r\n if (angular.isNumber(arg1)) {\r\n // removes items from arg1 (including) through arg2 (excluding)\r\n for (let i = arg1; i < arg2; i++) {\r\n elementRoutines.removeElement(buffer[i]);\r\n }\r\n\r\n return buffer.splice(arg1, arg2 - arg1);\r\n }\r\n // removes single item(wrapper) from the buffer\r\n buffer.splice(buffer.indexOf(arg1), 1);\r\n if(arg1._op === 'isTop') {\r\n buffer.first++;\r\n }\r\n else {\r\n buffer.next--;\r\n }\r\n if(!buffer.length) {\r\n buffer.first = 1;\r\n buffer.next = 1;\r\n }\r\n\r\n return elementRoutines.removeElementAnimated(arg1);\r\n },\r\n\r\n effectiveHeight(elements) {\r\n if (!elements.length) {\r\n return 0;\r\n }\r\n let top = Number.MAX_VALUE;\r\n let bottom = Number.NEGATIVE_INFINITY;\r\n elements.forEach((wrapper) => {\r\n if (wrapper.element[0].offsetParent) {\r\n // element style is not display:none\r\n top = Math.min(top, wrapper.element.offset().top);\r\n bottom = Math.max(bottom, wrapper.element.offset().top + wrapper.element.outerHeight(true));\r\n }\r\n });\r\n return Math.max(0, bottom - top);\r\n }\r\n\r\n });\r\n\r\n return buffer;\r\n}\n\n\n// WEBPACK FOOTER //\n// ./src/modules/buffer.js","const hideClassToken = 'ng-ui-scroll-hide';\r\n\r\nfunction addCSSRule(sheet, selector, rules, index) {\r\n if('insertRule' in sheet) {\r\n sheet.insertRule(selector + '{' + rules + '}', index);\r\n }\r\n else if('addRule' in sheet) {\r\n sheet.addRule(selector, rules, index);\r\n }\r\n}\r\n\r\nexport default class ElementRoutines {\r\n\r\n constructor($injector, $q) {\r\n this.$animate = ($injector.has && $injector.has('$animate')) ? $injector.get('$animate') : null;\r\n this.isAngularVersionLessThen1_3 = angular.version.major === 1 && angular.version.minor < 3;\r\n this.$q = $q;\r\n addCSSRule(document.styleSheets[0], '.' + hideClassToken, 'display: none');\r\n }\r\n\r\n hideElement(wrapper) {\r\n wrapper.element.addClass(hideClassToken);\r\n }\r\n\r\n showElement(wrapper) {\r\n wrapper.element.removeClass(hideClassToken);\r\n }\r\n\r\n insertElement(newElement, previousElement) {\r\n previousElement.after(newElement);\r\n return [];\r\n }\r\n\r\n removeElement(wrapper) {\r\n wrapper.element.remove();\r\n wrapper.scope.$destroy();\r\n return [];\r\n }\r\n\r\n insertElementAnimated(newElement, previousElement) {\r\n if (!this.$animate) {\r\n return this.insertElement(newElement, previousElement);\r\n }\r\n\r\n if (this.isAngularVersionLessThen1_3) {\r\n const deferred = this.$q.defer();\r\n // no need for parent - previous element is never null\r\n this.$animate.enter(newElement, null, previousElement, () => deferred.resolve());\r\n\r\n return [deferred.promise];\r\n }\r\n\r\n // no need for parent - previous element is never null\r\n return [this.$animate.enter(newElement, null, previousElement)];\r\n }\r\n\r\n removeElementAnimated(wrapper) {\r\n if (!this.$animate) {\r\n return this.removeElement(wrapper);\r\n }\r\n\r\n if (this.isAngularVersionLessThen1_3) {\r\n const deferred = this.$q.defer();\r\n this.$animate.leave(wrapper.element, () => {\r\n wrapper.scope.$destroy();\r\n return deferred.resolve();\r\n });\r\n\r\n return [deferred.promise];\r\n }\r\n\r\n return [(this.$animate.leave(wrapper.element)).then(() => wrapper.scope.$destroy())];\r\n }\r\n}\n\n\n// WEBPACK FOOTER //\n// ./src/modules/elementRoutines.js","/*!\r\n globals: angular, window\r\n List of used element methods available in JQuery but not in JQuery Lite\r\n element.before(elem)\r\n element.height()\r\n element.outerHeight(true)\r\n element.height(value) = only for Top/Bottom padding elements\r\n element.scrollTop()\r\n element.scrollTop(value)\r\n */\r\n\r\nexport default class JQLiteExtras {\r\n\r\n registerFor(element) {\r\n let convertToPx, css, getStyle, isWindow;\r\n // angular implementation blows up if elem is the window\r\n css = angular.element.prototype.css;\r\n\r\n element.prototype.css = function (name, value) {\r\n let self = this;\r\n let elem = self[0];\r\n if (!(!elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style)) {\r\n return css.call(self, name, value);\r\n }\r\n };\r\n\r\n // as defined in angularjs v1.0.5\r\n isWindow = (obj) => obj && obj.document && obj.location && obj.alert && obj.setInterval;\r\n\r\n function scrollTo(self, direction, value) {\r\n let elem = self[0];\r\n let [method, prop, preserve] = {\r\n top: [\r\n 'scrollTop',\r\n 'pageYOffset',\r\n 'scrollLeft'\r\n ],\r\n left: [\r\n 'scrollLeft',\r\n 'pageXOffset',\r\n 'scrollTop'\r\n ]\r\n }[direction];\r\n\r\n if (isWindow(elem)) {\r\n if (angular.isDefined(value)) {\r\n return elem.scrollTo(self[preserve].call(self), value);\r\n }\r\n return (prop in elem) ? elem[prop] : elem.document.documentElement[method];\r\n } else {\r\n if (angular.isDefined(value)) {\r\n elem[method] = value;\r\n }\r\n return elem[method];\r\n }\r\n }\r\n\r\n if (window.getComputedStyle) {\r\n getStyle = (elem) => window.getComputedStyle(elem, null);\r\n convertToPx = (elem, value) => parseFloat(value);\r\n } else {\r\n getStyle = (elem) => elem.currentStyle;\r\n convertToPx = (elem, value) => {\r\n let left, result, rs, rsLeft, style;\r\n let core_pnum = /[+-]?(?:\\d*\\.|)\\d+(?:[eE][+-]?\\d+|)/.source;\r\n let rnumnonpx = new RegExp('^(' + core_pnum + ')(?!px)[a-z%]+$', 'i');\r\n\r\n if (!rnumnonpx.test(value)) {\r\n return parseFloat(value);\r\n }\r\n\r\n // ported from JQuery\r\n style = elem.style;\r\n left = style.left;\r\n rs = elem.runtimeStyle;\r\n rsLeft = rs && rs.left;\r\n if (rs) {\r\n rs.left = style.left;\r\n }\r\n // put in the new values to get a computed style out\r\n style.left = value;\r\n result = style.pixelLeft;\r\n style.left = left;\r\n if (rsLeft) {\r\n rs.left = rsLeft;\r\n }\r\n return result;\r\n };\r\n }\r\n\r\n function getMeasurements(elem, measure) {\r\n let base, borderA, borderB, computedMarginA, computedMarginB, computedStyle, dirA, dirB, marginA, marginB, paddingA, paddingB;\r\n\r\n if (isWindow(elem)) {\r\n base = document.documentElement[{height: 'clientHeight', width: 'clientWidth'}[measure]];\r\n\r\n return {\r\n base: base,\r\n padding: 0,\r\n border: 0,\r\n margin: 0\r\n };\r\n }\r\n\r\n // Start with offset property\r\n [\r\n base,\r\n dirA,\r\n dirB\r\n ] = {\r\n width: [\r\n elem.offsetWidth,\r\n 'Left',\r\n 'Right'\r\n ],\r\n height: [\r\n elem.offsetHeight,\r\n 'Top',\r\n 'Bottom'\r\n ]\r\n }[measure];\r\n\r\n computedStyle = getStyle(elem);\r\n paddingA = convertToPx(elem, computedStyle['padding' + dirA]) || 0;\r\n paddingB = convertToPx(elem, computedStyle['padding' + dirB]) || 0;\r\n borderA = convertToPx(elem, computedStyle['border' + dirA + 'Width']) || 0;\r\n borderB = convertToPx(elem, computedStyle['border' + dirB + 'Width']) || 0;\r\n computedMarginA = computedStyle['margin' + dirA];\r\n computedMarginB = computedStyle['margin' + dirB];\r\n\r\n // I do not care for width for now, so this hack is irrelevant\r\n // if ( !supportsPercentMargin )\r\n // computedMarginA = hackPercentMargin( elem, computedStyle, computedMarginA )\r\n // computedMarginB = hackPercentMargin( elem, computedStyle, computedMarginB )\r\n marginA = convertToPx(elem, computedMarginA) || 0;\r\n marginB = convertToPx(elem, computedMarginB) || 0;\r\n\r\n return {\r\n base: base,\r\n padding: paddingA + paddingB,\r\n border: borderA + borderB,\r\n margin: marginA + marginB\r\n };\r\n }\r\n\r\n function getWidthHeight(elem, direction, measure) {\r\n let computedStyle, result;\r\n\r\n let measurements = getMeasurements(elem, direction);\r\n\r\n if (measurements.base > 0) {\r\n return {\r\n base: measurements.base - measurements.padding - measurements.border,\r\n outer: measurements.base,\r\n outerfull: measurements.base + measurements.margin\r\n }[measure];\r\n }\r\n\r\n // Fall back to computed then uncomputed css if necessary\r\n computedStyle = getStyle(elem);\r\n result = computedStyle[direction];\r\n\r\n if (result < 0 || result === null) {\r\n result = elem.style[direction] || 0;\r\n }\r\n\r\n // Normalize \"\", auto, and prepare for extra\r\n result = parseFloat(result) || 0;\r\n\r\n return {\r\n base: result - measurements.padding - measurements.border,\r\n outer: result,\r\n outerfull: result + measurements.padding + measurements.border + measurements.margin\r\n }[measure];\r\n }\r\n\r\n // define missing methods\r\n return angular.forEach({\r\n before(newElem) {\r\n var children, elem, i, j, parent, ref, self;\r\n self = this;\r\n elem = self[0];\r\n parent = self.parent();\r\n children = parent.contents();\r\n if (children[0] === elem) {\r\n return parent.prepend(newElem);\r\n } else {\r\n for (i = j = 1, ref = children.length - 1; 1 <= ref ? j <= ref : j >= ref; i = 1 <= ref ? ++j : --j) {\r\n if (children[i] === elem) {\r\n angular.element(children[i - 1]).after(newElem);\r\n return;\r\n }\r\n }\r\n throw new Error('invalid DOM structure ' + elem.outerHTML);\r\n }\r\n },\r\n height (value){\r\n var self;\r\n self = this;\r\n if (angular.isDefined(value)) {\r\n if (angular.isNumber(value)) {\r\n value = value + 'px';\r\n }\r\n return css.call(self, 'height', value);\r\n } else {\r\n return getWidthHeight(this[0], 'height', 'base');\r\n }\r\n },\r\n outerHeight(option) {\r\n return getWidthHeight(this[0], 'height', option ? 'outerfull' : 'outer');\r\n },\r\n outerWidth(option) {\r\n return getWidthHeight(this[0], 'width', option ? 'outerfull' : 'outer');\r\n },\r\n\r\n /*\r\n The offset setter method is not implemented\r\n */\r\n offset(value) {\r\n let docElem, win;\r\n let self = this;\r\n let box = {\r\n top: 0,\r\n left: 0\r\n };\r\n let elem = self[0];\r\n let doc = elem && elem.ownerDocument;\r\n\r\n if (arguments.length) {\r\n if (value === undefined) {\r\n return self;\r\n }\r\n // TODO: implement setter\r\n throw new Error('offset setter method is not implemented');\r\n }\r\n\r\n if (!doc) {\r\n return;\r\n }\r\n\r\n docElem = doc.documentElement;\r\n\r\n // TODO: Make sure it's not a disconnected DOM node\r\n\r\n if (elem.getBoundingClientRect != null) {\r\n box = elem.getBoundingClientRect();\r\n }\r\n\r\n win = doc.defaultView || doc.parentWindow;\r\n\r\n return {\r\n top: box.top + (win.pageYOffset || docElem.scrollTop) - (docElem.clientTop || 0),\r\n left: box.left + (win.pageXOffset || docElem.scrollLeft) - (docElem.clientLeft || 0)\r\n };\r\n },\r\n scrollTop(value) {\r\n return scrollTo(this, 'top', value);\r\n },\r\n scrollLeft(value) {\r\n return scrollTo(this, 'left', value);\r\n }\r\n }, (value, key) => {\r\n if (!element.prototype[key]) {\r\n return element.prototype[key] = value;\r\n }\r\n });\r\n }\r\n\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/modules/jqLiteExtras.js","import Padding from './padding';\r\n\r\nexport default function Viewport(elementRoutines, buffer, element, viewportController, $rootScope, padding) {\r\n let topPadding = null;\r\n let bottomPadding = null;\r\n const viewport = viewportController && viewportController.viewport ? viewportController.viewport : angular.element(window);\r\n const container = viewportController && viewportController.container ? viewportController.container : undefined;\r\n const scope = viewportController && viewportController.scope ? viewportController.scope : $rootScope;\r\n\r\n viewport.css({\r\n 'overflow-anchor': 'none',\r\n 'overflow-y': 'auto',\r\n 'display': 'block'\r\n });\r\n\r\n function bufferPadding() {\r\n return viewport.outerHeight() * padding; // some extra space to initiate preload\r\n }\r\n\r\n angular.extend(viewport, {\r\n getScope() {\r\n return scope;\r\n },\r\n\r\n createPaddingElements(template) {\r\n topPadding = new Padding(template);\r\n bottomPadding = new Padding(template);\r\n element.before(topPadding);\r\n element.after(bottomPadding);\r\n },\r\n\r\n applyContainerStyle() {\r\n if (container && container !== viewport) {\r\n viewport.css('height', window.getComputedStyle(container[0]).height);\r\n }\r\n },\r\n\r\n bottomDataPos() {\r\n let scrollHeight = viewport[0].scrollHeight;\r\n scrollHeight = scrollHeight != null ? scrollHeight : viewport[0].document.documentElement.scrollHeight;\r\n return scrollHeight - bottomPadding.height();\r\n },\r\n\r\n topDataPos() {\r\n return topPadding.height();\r\n },\r\n\r\n bottomVisiblePos() {\r\n return viewport.scrollTop() + viewport.outerHeight();\r\n },\r\n\r\n topVisiblePos() {\r\n return viewport.scrollTop();\r\n },\r\n\r\n insertElement(e, sibling) {\r\n return elementRoutines.insertElement(e, sibling || topPadding);\r\n },\r\n\r\n insertElementAnimated(e, sibling) {\r\n return elementRoutines.insertElementAnimated(e, sibling || topPadding);\r\n },\r\n\r\n shouldLoadBottom() {\r\n return !buffer.eof && viewport.bottomDataPos() < viewport.bottomVisiblePos() + bufferPadding();\r\n },\r\n\r\n clipBottom() {\r\n // clip the invisible items off the bottom\r\n let overage = 0;\r\n let overageHeight = 0;\r\n let itemHeight = 0;\r\n let emptySpaceHeight = viewport.bottomDataPos() - viewport.bottomVisiblePos() - bufferPadding();\r\n\r\n for (let i = buffer.length - 1; i >= 0; i--) {\r\n itemHeight = buffer[i].element.outerHeight(true);\r\n if (overageHeight + itemHeight > emptySpaceHeight) {\r\n break;\r\n }\r\n bottomPadding.cache.add(buffer[i]);\r\n overageHeight += itemHeight;\r\n overage++;\r\n }\r\n\r\n if (overage > 0) {\r\n buffer.eof = false;\r\n buffer.remove(buffer.length - overage, buffer.length);\r\n buffer.next -= overage;\r\n viewport.adjustPaddings();\r\n }\r\n },\r\n\r\n shouldLoadTop() {\r\n return !buffer.bof && (viewport.topDataPos() > viewport.topVisiblePos() - bufferPadding());\r\n },\r\n\r\n clipTop() {\r\n // clip the invisible items off the top\r\n let overage = 0;\r\n let overageHeight = 0;\r\n let itemHeight = 0;\r\n let emptySpaceHeight = viewport.topVisiblePos() - viewport.topDataPos() - bufferPadding();\r\n\r\n for (let i = 0; i < buffer.length; i++) {\r\n itemHeight = buffer[i].element.outerHeight(true);\r\n if (overageHeight + itemHeight > emptySpaceHeight) {\r\n break;\r\n }\r\n topPadding.cache.add(buffer[i]);\r\n overageHeight += itemHeight;\r\n overage++;\r\n }\r\n\r\n if (overage > 0) {\r\n // we need to adjust top padding element before items are removed from top\r\n // to avoid strange behaviour of scroll bar during remove top items when we are at the very bottom\r\n topPadding.height(topPadding.height() + overageHeight);\r\n buffer.bof = false;\r\n buffer.remove(0, overage);\r\n buffer.first += overage;\r\n }\r\n },\r\n\r\n adjustPaddings() {\r\n if (!buffer.length) {\r\n return;\r\n }\r\n\r\n // precise heights calculation, items that were in buffer once\r\n let topPaddingHeight = topPadding.cache.reduce((summ, item) => summ + (item.index < buffer.first ? item.height : 0), 0);\r\n let bottomPaddingHeight = bottomPadding.cache.reduce((summ, item) => summ + (item.index >= buffer.next ? item.height : 0), 0);\r\n\r\n // average item height based on buffer data\r\n let visibleItemsHeight = buffer.reduce((summ, item) => summ + item.element.outerHeight(true), 0);\r\n let averageItemHeight = (visibleItemsHeight + topPaddingHeight + bottomPaddingHeight) / (buffer.maxIndex - buffer.minIndex + 1);\r\n\r\n // average heights calculation, items that have never been reached\r\n let adjustTopPadding = buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser;\r\n let adjustBottomPadding = buffer.maxIndexUser !== null && buffer.maxIndex < buffer.maxIndexUser;\r\n let topPaddingHeightAdd = adjustTopPadding ? (buffer.minIndex - buffer.minIndexUser) * averageItemHeight : 0;\r\n let bottomPaddingHeightAdd = adjustBottomPadding ? (buffer.maxIndexUser - buffer.maxIndex) * averageItemHeight : 0;\r\n\r\n // paddings combine adjustment\r\n topPadding.height(topPaddingHeight + topPaddingHeightAdd);\r\n bottomPadding.height(bottomPaddingHeight + bottomPaddingHeightAdd);\r\n },\r\n\r\n onAfterMinIndexSet(topPaddingHeightOld) {\r\n // additional scrollTop adjustment in case of datasource.minIndex external set\r\n if (buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser) {\r\n let diff = topPadding.height() - topPaddingHeightOld;\r\n viewport.scrollTop(viewport.scrollTop() + diff);\r\n diff -= viewport.scrollTop();\r\n if(diff > 0) {\r\n bottomPadding.height(bottomPadding.height() + diff);\r\n viewport.scrollTop(viewport.scrollTop() + diff);\r\n }\r\n }\r\n },\r\n\r\n onAfterPrepend(updates) {\r\n if (!updates.prepended.length)\r\n return;\r\n const height = buffer.effectiveHeight(updates.prepended);\r\n const paddingHeight = topPadding.height() - height;\r\n if (paddingHeight >= 0) {\r\n topPadding.height(paddingHeight);\r\n }\r\n else {\r\n topPadding.height(0);\r\n viewport.scrollTop(viewport.scrollTop() - paddingHeight);\r\n }\r\n },\r\n\r\n resetTopPadding() {\r\n topPadding.height(0);\r\n topPadding.cache.clear();\r\n },\r\n\r\n resetBottomPadding() {\r\n bottomPadding.height(0);\r\n bottomPadding.cache.clear();\r\n },\r\n\r\n removeItem(item) {\r\n topPadding.cache.remove(item);\r\n bottomPadding.cache.remove(item);\r\n return buffer.remove(item);\r\n }\r\n });\r\n\r\n return viewport;\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/modules/viewport.js","// Can't just extend the Array, due to Babel does not support built-in classes extending\r\n// This solution was taken from https://stackoverflow.com/questions/46897414/es6-class-extends-array-workaround-for-es5-babel-transpile\r\nclass CacheProto {\r\n add(item) {\r\n for (let i = this.length - 1; i >= 0; i--) {\r\n if (this[i].index === item.scope.$index) {\r\n this[i].height = item.element.outerHeight();\r\n return;\r\n }\r\n }\r\n this.push({\r\n index: item.scope.$index,\r\n height: item.element.outerHeight()\r\n });\r\n this.sort((a, b) => ((a.index < b.index) ? -1 : ((a.index > b.index) ? 1 : 0)));\r\n }\r\n\r\n remove(itemToRemove) {\r\n for (let i = this.length - 1; i >= 0; i--) {\r\n if (this[i].index === itemToRemove.scope.$index) {\r\n this.splice(i, 1);\r\n break;\r\n }\r\n }\r\n if(itemToRemove._op !== 'isTop') {\r\n for (let i = this.length - 1; i >= 0; i--) {\r\n if (this[i].index > itemToRemove.scope.$index) {\r\n this[i].index--;\r\n }\r\n }\r\n }\r\n }\r\n\r\n clear() {\r\n this.length = 0;\r\n }\r\n}\r\n\r\nfunction Cache() {\r\n const instance = [];\r\n instance.push.apply(instance, arguments);\r\n Object.setPrototypeOf(instance, Cache.prototype);\r\n return instance;\r\n}\r\nCache.prototype = Object.create(Array.prototype);\r\nObject.getOwnPropertyNames(CacheProto.prototype).forEach(methodName =>\r\n Cache.prototype[methodName] = CacheProto.prototype[methodName]\r\n);\r\n\r\nexport default function Padding(template) {\r\n let result;\r\n\r\n if(template.nodeType !== Node.ELEMENT_NODE) {\r\n throw new Error('ui-scroll directive requires an Element node for templating the view');\r\n }\r\n\r\n switch (template.tagName.toLowerCase()) {\r\n case 'dl':\r\n throw new Error(`ui-scroll directive does not support <${template.tagName}> as a repeating tag: ${template.outerHTML}`);\r\n case 'tr':\r\n let table = angular.element('
    ');\r\n result = table.find('tr');\r\n break;\r\n case 'li':\r\n result = angular.element('
  • ');\r\n break;\r\n default:\r\n result = angular.element('
    ');\r\n }\r\n\r\n result.cache = new Cache();\r\n\r\n return result;\r\n}\n\n\n// WEBPACK FOOTER //\n// ./src/modules/padding.js","import JQLiteExtras from './modules/jqLiteExtras';\r\nimport ElementRoutines from './modules/elementRoutines.js';\r\nimport ScrollBuffer from './modules/buffer.js';\r\nimport Viewport from './modules/viewport.js';\r\nimport Adapter from './modules/adapter.js';\r\n\r\nangular.module('ui.scroll', [])\r\n\r\n .service('jqLiteExtras', () => new JQLiteExtras())\r\n .run(['jqLiteExtras', (jqLiteExtras) =>\r\n !window.jQuery ? jqLiteExtras.registerFor(angular.element) : null\r\n ])\r\n\r\n .directive('uiScrollViewport', function () {\r\n return {\r\n restrict: 'A',\r\n controller: [\r\n '$scope',\r\n '$element',\r\n function (scope, element) {\r\n this.container = element;\r\n this.viewport = element;\r\n this.scope = scope;\r\n\r\n angular.forEach(element.children(), (child => {\r\n if (child.tagName.toLowerCase() === 'tbody') {\r\n this.viewport = angular.element(child);\r\n }\r\n }));\r\n\r\n return this;\r\n }\r\n ]\r\n };\r\n })\r\n\r\n .directive('uiScroll', [\r\n '$log',\r\n '$injector',\r\n '$rootScope',\r\n '$timeout',\r\n '$q',\r\n '$parse',\r\n function (console, $injector, $rootScope, $timeout, $q, $parse) {\r\n\r\n return {\r\n require: ['?^uiScrollViewport'],\r\n restrict: 'A',\r\n transclude: 'element',\r\n priority: 1000,\r\n terminal: true,\r\n link: link\r\n };\r\n\r\n function link($scope, element, $attr, controllers, linker) {\r\n const match = $attr.uiScroll.match(/^\\s*(\\w+)\\s+in\\s+([(\\w|\\$)\\.]+)\\s*$/);\r\n if (!match) {\r\n throw new Error('Expected uiScroll in form of \\'_item_ in _datasource_\\' but got \\'' + $attr.uiScroll + '\\'');\r\n }\r\n\r\n function parseNumericAttr(value, defaultValue) {\r\n let result = $parse(value)($scope);\r\n return isNaN(result) ? defaultValue : result;\r\n }\r\n\r\n const BUFFER_MIN = 3;\r\n const BUFFER_DEFAULT = 10;\r\n const PADDING_MIN = 0.3;\r\n const PADDING_DEFAULT = 0.5;\r\n\r\n let datasource = null;\r\n const itemName = match[1];\r\n const datasourceName = match[2];\r\n const viewportController = controllers[0];\r\n const bufferSize = Math.max(BUFFER_MIN, parseNumericAttr($attr.bufferSize, BUFFER_DEFAULT));\r\n const padding = Math.max(PADDING_MIN, parseNumericAttr($attr.padding, PADDING_DEFAULT));\r\n let startIndex = parseNumericAttr($attr.startIndex, 1);\r\n let ridActual = 0;// current data revision id\r\n let pending = [];\r\n\r\n let elementRoutines = new ElementRoutines($injector, $q);\r\n let buffer = new ScrollBuffer(elementRoutines, bufferSize);\r\n let viewport = new Viewport(elementRoutines, buffer, element, viewportController, $rootScope, padding);\r\n let adapter = new Adapter(viewport, buffer, adjustBuffer, reload, $attr, $parse, element, $scope);\r\n\r\n if (viewportController) {\r\n viewportController.adapter = adapter;\r\n }\r\n\r\n let isDatasourceValid = () => angular.isObject(datasource) && angular.isFunction(datasource.get);\r\n datasource = $parse(datasourceName)($scope); // try to get datasource on scope\r\n if (!isDatasourceValid()) {\r\n datasource = $injector.get(datasourceName); // try to inject datasource as service\r\n if (!isDatasourceValid()) {\r\n throw new Error(datasourceName + ' is not a valid datasource');\r\n }\r\n }\r\n\r\n let onRenderHandlers = [];\r\n function onRenderHandlersRunner() {\r\n if(onRenderHandlers.length) {\r\n angular.forEach(onRenderHandlers, (handler) => handler());\r\n onRenderHandlers = [];\r\n }\r\n }\r\n function preDefineIndexProperty(datasource, propName) {\r\n let getter;\r\n // need to postpone min/maxIndexUser processing if the view is empty\r\n if(datasource.hasOwnProperty(propName) && !buffer.length) {\r\n getter = datasource[propName];\r\n delete datasource[propName];\r\n onRenderHandlers.push(() => datasource[propName] = getter);\r\n }\r\n }\r\n\r\n function defineIndexProperty(datasource, propName, propUserName) {\r\n let descriptor = Object.getOwnPropertyDescriptor(datasource, propName);\r\n if (descriptor && (descriptor.set || descriptor.get)) {\r\n return;\r\n }\r\n let getter;\r\n preDefineIndexProperty(datasource, propName);\r\n Object.defineProperty(datasource, propName, {\r\n set: (value) => {\r\n getter = value;\r\n buffer[propUserName] = value;\r\n let topPaddingHeightOld = viewport.topDataPos();\r\n viewport.adjustPaddings();\r\n if (propName === 'minIndex') {\r\n viewport.onAfterMinIndexSet(topPaddingHeightOld);\r\n }\r\n },\r\n get: () => getter\r\n });\r\n }\r\n\r\n defineIndexProperty(datasource, 'minIndex', 'minIndexUser');\r\n defineIndexProperty(datasource, 'maxIndex', 'maxIndexUser');\r\n\r\n const fetchNext = (datasource.get.length !== 2) ?\r\n (success) => datasource.get(buffer.next, bufferSize, success) :\r\n (success) => {\r\n datasource.get({\r\n index: buffer.next,\r\n append: buffer.length ? buffer[buffer.length - 1].item : void 0,\r\n count: bufferSize\r\n }, success);\r\n };\r\n\r\n const fetchPrevious = (datasource.get.length !== 2) ?\r\n (success) => datasource.get(buffer.first - bufferSize, bufferSize, success) :\r\n (success) => {\r\n datasource.get({\r\n index: buffer.first - bufferSize,\r\n prepend: buffer.length ? buffer[0].item : void 0,\r\n count: bufferSize\r\n }, success);\r\n };\r\n\r\n /**\r\n * Build padding elements\r\n *\r\n * Calling linker is the only way I found to get access to the tag name of the template\r\n * to prevent the directive scope from pollution a new scope is created and destroyed\r\n * right after the builder creation is completed\r\n */\r\n linker((clone, scope) => {\r\n viewport.createPaddingElements(clone[0]);\r\n // we do not include the clone in the DOM. It means that the nested directives will not\r\n // be able to reach the parent directives, but in this case it is intentional because we\r\n // created the clone to access the template tag name\r\n scope.$destroy();\r\n clone.remove();\r\n });\r\n\r\n $scope.$on('$destroy', () => {\r\n unbindEvents();\r\n viewport.unbind('mousewheel', wheelHandler);\r\n });\r\n\r\n viewport.bind('mousewheel', wheelHandler);\r\n\r\n $timeout(() => {\r\n viewport.applyContainerStyle();\r\n reload();\r\n });\r\n\r\n /* Private function definitions */\r\n\r\n function isInvalid(rid) {\r\n return (rid && rid !== ridActual) || $scope.$$destroyed;\r\n }\r\n\r\n function bindEvents() {\r\n viewport.bind('resize', resizeAndScrollHandler);\r\n viewport.bind('scroll', resizeAndScrollHandler);\r\n }\r\n\r\n function unbindEvents() {\r\n viewport.unbind('resize', resizeAndScrollHandler);\r\n viewport.unbind('scroll', resizeAndScrollHandler);\r\n }\r\n\r\n function reload() {\r\n viewport.resetTopPadding();\r\n viewport.resetBottomPadding();\r\n if (arguments.length) {\r\n startIndex = arguments[0];\r\n }\r\n buffer.reset(startIndex);\r\n adjustBuffer();\r\n }\r\n\r\n function isElementVisible(wrapper) {\r\n return wrapper.element.height() && wrapper.element[0].offsetParent;\r\n }\r\n\r\n function visibilityWatcher(wrapper) {\r\n if (isElementVisible(wrapper)) {\r\n buffer.forEach((item) => {\r\n if (angular.isFunction(item.unregisterVisibilityWatcher)) {\r\n item.unregisterVisibilityWatcher();\r\n delete item.unregisterVisibilityWatcher;\r\n }\r\n });\r\n if (!pending.length) {\r\n $timeout(() => adjustBuffer());\r\n }\r\n }\r\n }\r\n\r\n function insertWrapperContent(wrapper, insertAfter) {\r\n createElement(wrapper, insertAfter, viewport.insertElement);\r\n if (!isElementVisible(wrapper)) {\r\n wrapper.unregisterVisibilityWatcher = wrapper.scope.$watch(() => visibilityWatcher(wrapper));\r\n }\r\n elementRoutines.hideElement(wrapper); // hide inserted elements before data binding\r\n }\r\n\r\n function createElement(wrapper, insertAfter, insertElement) {\r\n let promises = null;\r\n let sibling = (insertAfter > 0) ? buffer[insertAfter - 1].element : undefined;\r\n linker((clone, scope) => {\r\n promises = insertElement(clone, sibling);\r\n wrapper.element = clone;\r\n wrapper.scope = scope;\r\n scope[itemName] = wrapper.item;\r\n });\r\n // ui-scroll-grid apply\r\n if (adapter.transform) {\r\n let tdInitializer = wrapper.scope.uiScrollTdInitializer;\r\n if (tdInitializer && tdInitializer.linking) {\r\n adapter.transform(wrapper.scope, wrapper.element);\r\n } else {\r\n wrapper.scope.uiScrollTdInitializer = {\r\n onLink: () => adapter.transform(wrapper.scope, wrapper.element),\r\n scope: wrapper.scope\r\n };\r\n }\r\n }\r\n return promises;\r\n }\r\n\r\n function updateDOM() {\r\n let promises = [];\r\n const toBePrepended = [];\r\n const toBeRemoved = [];\r\n const inserted = [];\r\n\r\n buffer.forEach((wrapper, i) => {\r\n switch (wrapper.op) {\r\n case 'prepend':\r\n toBePrepended.unshift(wrapper);\r\n break;\r\n case 'append':\r\n insertWrapperContent(wrapper, i);\r\n wrapper.op = 'none';\r\n inserted.push(wrapper);\r\n break;\r\n case 'insert':\r\n promises = promises.concat(createElement(wrapper, i, viewport.insertElementAnimated));\r\n wrapper.op = 'none';\r\n inserted.push(wrapper);\r\n break;\r\n case 'remove':\r\n toBeRemoved.push(wrapper);\r\n }\r\n });\r\n\r\n toBeRemoved.forEach((wrapper) => promises = promises.concat(viewport.removeItem(wrapper)));\r\n\r\n if (toBePrepended.length)\r\n toBePrepended.forEach((wrapper) => {\r\n insertWrapperContent(wrapper);\r\n wrapper.op = 'none';\r\n });\r\n\r\n buffer.forEach((item, i) => item.scope.$index = buffer.first + i);\r\n\r\n return {\r\n prepended: toBePrepended,\r\n removed: toBeRemoved,\r\n inserted: inserted,\r\n animated: promises\r\n };\r\n\r\n }\r\n\r\n function updatePaddings(rid, updates) {\r\n // schedule another adjustBuffer after animation completion\r\n if (updates.animated.length) {\r\n $q.all(updates.animated).then(() => {\r\n viewport.adjustPaddings();\r\n adjustBuffer(rid);\r\n });\r\n } else {\r\n viewport.adjustPaddings();\r\n }\r\n }\r\n\r\n function enqueueFetch(rid, updates) {\r\n if (viewport.shouldLoadBottom()) {\r\n if (!updates || buffer.effectiveHeight(updates.inserted) > 0) {\r\n // this means that at least one item appended in the last batch has height > 0\r\n if (pending.push(true) === 1) {\r\n adapter.loading(true);\r\n fetch(rid);\r\n }\r\n }\r\n } else if (viewport.shouldLoadTop()) {\r\n if ((!updates || buffer.effectiveHeight(updates.prepended) > 0) || pending[0]) {\r\n // this means that at least one item appended in the last batch has height > 0\r\n // pending[0] = true means that previous fetch was appending. We need to force at least one prepend\r\n // BTW there will always be at least 1 element in the pending array because bottom is fetched first\r\n if (pending.push(false) === 1) {\r\n adapter.loading(true);\r\n fetch(rid);\r\n }\r\n }\r\n }\r\n }\r\n\r\n function processUpdates() {\r\n const updates = updateDOM();\r\n\r\n // We need the item bindings to be processed before we can do adjustments\r\n !$scope.$$phase && $scope.$digest();\r\n\r\n updates.inserted.forEach(w => elementRoutines.showElement(w));\r\n updates.prepended.forEach(w => elementRoutines.showElement(w));\r\n return updates;\r\n }\r\n\r\n function adjustBuffer(rid) {\r\n if (!rid) { // dismiss pending requests\r\n pending = [];\r\n rid = ++ridActual;\r\n }\r\n\r\n const updates = processUpdates();\r\n\r\n if (isInvalid(rid)) {\r\n return;\r\n }\r\n\r\n updatePaddings(rid, updates);\r\n enqueueFetch(rid);\r\n\r\n if (!pending.length) {\r\n adapter.calculateProperties();\r\n }\r\n }\r\n\r\n function adjustBufferAfterFetch(rid) {\r\n const updates = processUpdates();\r\n\r\n viewport.onAfterPrepend(updates);\r\n\r\n if (isInvalid(rid)) {\r\n return;\r\n }\r\n\r\n updatePaddings(rid, updates);\r\n onRenderHandlersRunner();\r\n enqueueFetch(rid, updates);\r\n pending.shift();\r\n\r\n if (pending.length)\r\n fetch(rid);\r\n else {\r\n adapter.loading(false);\r\n bindEvents();\r\n adapter.calculateProperties();\r\n }\r\n }\r\n\r\n function fetch(rid) {\r\n if (pending[0]) {// scrolling down\r\n if (buffer.length && !viewport.shouldLoadBottom()) {\r\n adjustBufferAfterFetch(rid);\r\n } else {\r\n fetchNext((result) => {\r\n if (isInvalid(rid)) {\r\n return;\r\n }\r\n\r\n if (result.length < bufferSize) {\r\n buffer.eof = true;\r\n }\r\n\r\n if (result.length > 0) {\r\n viewport.clipTop();\r\n buffer.append(result);\r\n }\r\n\r\n adjustBufferAfterFetch(rid);\r\n });\r\n }\r\n } else { // scrolling up\r\n if (buffer.length && !viewport.shouldLoadTop()) {\r\n adjustBufferAfterFetch(rid);\r\n } else {\r\n fetchPrevious((result) => {\r\n if (isInvalid(rid)) {\r\n return;\r\n }\r\n\r\n if (result.length < bufferSize) {\r\n buffer.bof = true;\r\n // log 'bof is reached'\r\n }\r\n\r\n if (result.length > 0) {\r\n if (buffer.length) {\r\n viewport.clipBottom();\r\n }\r\n buffer.prepend(result);\r\n }\r\n\r\n adjustBufferAfterFetch(rid);\r\n });\r\n }\r\n }\r\n }\r\n\r\n function resizeAndScrollHandler() {\r\n if (!$rootScope.$$phase && !adapter.isLoading && !adapter.disabled) {\r\n\r\n enqueueFetch(ridActual);\r\n\r\n if (pending.length) {\r\n unbindEvents();\r\n } else {\r\n adapter.calculateProperties();\r\n !$scope.$$phase && $scope.$digest();\r\n }\r\n }\r\n }\r\n\r\n function wheelHandler(event) {\r\n if (!adapter.disabled) {\r\n let scrollTop = viewport[0].scrollTop;\r\n let yMax = viewport[0].scrollHeight - viewport[0].clientHeight;\r\n\r\n if ((scrollTop === 0 && !buffer.bof) || (scrollTop === yMax && !buffer.eof)) {\r\n event.preventDefault();\r\n }\r\n }\r\n }\r\n }\r\n\r\n }\r\n ]);\n\n\n// WEBPACK FOOTER //\n// ./src/ui-scroll.js"],"sourceRoot":""} \ No newline at end of file diff --git a/src/modules/elementRoutines.js b/src/modules/elementRoutines.js index c89585f8..39a14032 100644 --- a/src/modules/elementRoutines.js +++ b/src/modules/elementRoutines.js @@ -1,10 +1,10 @@ const hideClassToken = 'ng-ui-scroll-hide'; function addCSSRule(sheet, selector, rules, index) { - if("insertRule" in sheet) { + if('insertRule' in sheet) { sheet.insertRule(selector + '{' + rules + '}', index); } - else if("addRule" in sheet) { + else if('addRule' in sheet) { sheet.addRule(selector, rules, index); } } From a438a8e5f95f1d4d1ab4b1239672df6fa481d7e2 Mon Sep 17 00:00:00 2001 From: dhilt Date: Thu, 26 Oct 2017 17:11:54 +0300 Subject: [PATCH 13/14] split Adapter.applyUpdates method --- src/modules/adapter.js | 96 +++++++++++++++++++++--------------------- 1 file changed, 48 insertions(+), 48 deletions(-) diff --git a/src/modules/adapter.js b/src/modules/adapter.js index 68a83c3e..e52490ce 100644 --- a/src/modules/adapter.js +++ b/src/modules/adapter.js @@ -113,29 +113,6 @@ class Adapter { return !this.buffer.length; } - applyUpdates(arg1, arg2) { - if (angular.isFunction(arg1)) { - // arg1 is the updater function, arg2 is ignored - this.buffer.slice(0).forEach((wrapper) => { - // we need to do it on the buffer clone, because buffer content - // may change as we iterate through - this.applyUpdate(wrapper, arg1(wrapper.item, wrapper.scope, wrapper.element)); - }); - } else { - // arg1 is item index, arg2 is the newItems array - if (arg1 % 1 !== 0) {// checking if it is an integer - throw new Error('applyUpdates - ' + arg1 + ' is not a valid index'); - } - - const index = arg1 - this.buffer.first; - if ((index >= 0 && index < this.buffer.length)) { - this.applyUpdate(this.buffer[index], arg2); - } - } - - this.adjustBuffer(); - } - append(newItems) { this.buffer.append(newItems); this.adjustBuffer(); @@ -150,6 +127,54 @@ class Adapter { this.viewport.clipBottom(); } + applyUpdates(arg1, arg2) { + if (angular.isFunction(arg1)) { + this.applyUpdatesFunc(arg1); + } else { + this.applyUpdatesIndex(arg1, arg2); + } + this.adjustBuffer(); + } + + applyUpdatesFunc(cb) { + this.buffer.slice(0).forEach((wrapper) => { + // we need to do it on the buffer clone, because buffer content + // may change as we iterate through + this.applyUpdate(wrapper, cb(wrapper.item, wrapper.scope, wrapper.element)); + }); + } + + applyUpdatesIndex(index, newItems) { + if (index % 1 !== 0) { // checking if it is an integer + throw new Error('applyUpdates - ' + index + ' is not a valid index'); + } + index -= this.buffer.first; + if ((index >= 0 && index < this.buffer.length)) { + this.applyUpdate(this.buffer[index], newItems); + } + } + + applyUpdate(wrapper, newItems) { + if (!angular.isArray(newItems)) { + return; + } + let position = (this.buffer.indexOf(wrapper)); + if (!newItems.reverse().some((newItem) => newItem === wrapper.item)) { + wrapper.op = 'remove'; + if(position === 0 && !newItems.length) { + wrapper._op = 'isTop'; // to catch "first" edge case on remove + } + } + newItems.forEach((newItem) => { + if (newItem === wrapper.item) { + position--; + } else { + // 3 parameter (isTop) is to catch "first" edge case on insert + this.buffer.insert(position + 1, newItem, position === -1); + } + }); + } + calculateProperties() { let rowTop = null, topHeight = 0; let topDone = false, bottomDone = false; @@ -169,7 +194,6 @@ class Adapter { this['topVisibleElement'] = item.element; this['topVisibleScope'] = item.scope; } - if (!bottomDone && (top >= this.viewport.bottomVisiblePos() || (i === length - 1 && this.isEOF()))) { bottomDone = true; this['bottomVisible'] = item.item; @@ -178,7 +202,6 @@ class Adapter { } topHeight += itemHeight; } - rowTop = itemTop; if (topDone && bottomDone) { @@ -187,29 +210,6 @@ class Adapter { } } - applyUpdate(wrapper, newItems) { - if (!angular.isArray(newItems)) { - return; - } - - let position = (this.buffer.indexOf(wrapper)); - if (!newItems.reverse().some((newItem) => newItem === wrapper.item)) { - wrapper.op = 'remove'; - if(position === 0 && !newItems.length) { - wrapper._op = 'isTop'; // to catch "first" edge case on remove - } - } - - newItems.forEach((newItem) => { - if (newItem === wrapper.item) { - position--; - } else { - // 3 parameter (isTop) is to catch "first" edge case on insert - this.buffer.insert(position + 1, newItem, position === -1); - } - }); - } - } export default Adapter; \ No newline at end of file From cd6a5cfd12f340873a888fc35548c5373747947f Mon Sep 17 00:00:00 2001 From: dhilt Date: Fri, 27 Oct 2017 17:40:17 +0300 Subject: [PATCH 14/14] merge fix --- dist/ui-scroll.js | 4 ++-- dist/ui-scroll.js.map | 2 +- dist/ui-scroll.min.js | 4 ++-- dist/ui-scroll.min.js.map | 2 +- src/ui-scroll.js | 2 +- 5 files changed, 7 insertions(+), 7 deletions(-) diff --git a/dist/ui-scroll.js b/dist/ui-scroll.js index a2b030b1..5d47f403 100644 --- a/dist/ui-scroll.js +++ b/dist/ui-scroll.js @@ -1,7 +1,7 @@ /*! * angular-ui-scroll (uncompressed) * https://github.com/angular-ui/ui-scroll - * Version: 1.7.0-rc.4 -- 2017-10-27T14:30:17.323Z + * Version: 1.7.0-rc.4 -- 2017-10-27T14:37:56.031Z * License: MIT */ /******/ (function(modules) { // webpackBootstrap @@ -1557,7 +1557,7 @@ angular.module('ui.scroll', []).service('jqLiteExtras', function () { var updates = updateDOM(); // We need the item bindings to be processed before we can do adjustments - !$scope.$$phase && !$scope.$root.$$phase && $scope.$digest(); + !$scope.$$phase && !$rootScope.$$phase && $scope.$digest(); updates.inserted.forEach(function (w) { return elementRoutines.showElement(w); diff --git a/dist/ui-scroll.js.map b/dist/ui-scroll.js.map index da17ff58..bc4f6322 100644 --- a/dist/ui-scroll.js.map +++ b/dist/ui-scroll.js.map @@ -1 +1 @@ -{"version":3,"sources":["webpack:///webpack/bootstrap 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exports\n \treturn __webpack_require__(__webpack_require__.s = 7);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap 4b130958d678aa2654a3","function getCtrlOnData(attr, element) {\r\n let onSyntax = attr.match(/^(.+)(\\s+on\\s+)(.+)?/);\r\n if (onSyntax && onSyntax.length === 4) {\r\n window.console.log('Angular ui-scroll adapter assignment warning. \"Controller On\" syntax has been deprecated since ui-scroll v1.6.1.');\r\n let ctrl = onSyntax[3];\r\n let tail = onSyntax[1];\r\n let candidate = element;\r\n while (candidate.length) {\r\n let candidateScope = candidate.scope(); // doesn't work when debugInfoEnabled flag = true\r\n let candidateName = (candidate.attr('ng-controller') || '').match(/(\\w(?:\\w|\\d)*)(?:\\s+as\\s+(\\w(?:\\w|\\d)*))?/);\r\n if (candidateName && candidateName[1] === ctrl) {\r\n return {\r\n target: candidateScope,\r\n source: tail\r\n };\r\n }\r\n candidate = candidate.parent();\r\n }\r\n throw new Error('Angular ui-scroll adapter assignment error. Failed to locate target controller \"' + ctrl + '\" to inject \"' + tail + '\"');\r\n }\r\n}\r\n\r\nclass Adapter {\r\n\r\n constructor(viewport, buffer, adjustBuffer, reload, $attr, $parse, element, $scope) {\r\n this.viewport = viewport;\r\n this.buffer = buffer;\r\n this.adjustBuffer = adjustBuffer;\r\n this.reload = reload;\r\n\r\n this.isLoading = false;\r\n this.disabled = false;\r\n\r\n const viewportScope = viewport.getScope();\r\n this.startScope = viewportScope.$parent ? viewportScope : $scope;\r\n\r\n this.publicContext = {};\r\n this.assignAdapter($attr.adapter, $parse, element);\r\n this.generatePublicContext($attr, $parse);\r\n }\r\n\r\n assignAdapter(adapterAttr, $parse, element) {\r\n if (!adapterAttr || !(adapterAttr = adapterAttr.replace(/^\\s+|\\s+$/gm, ''))) {\r\n return;\r\n }\r\n let ctrlOnData = getCtrlOnData(adapterAttr, element);\r\n let adapterOnScope;\r\n\r\n try {\r\n if (ctrlOnData) { // \"Controller On\", deprecated since v1.6.1\r\n $parse(ctrlOnData.source).assign(ctrlOnData.target, {});\r\n adapterOnScope = $parse(ctrlOnData.source)(ctrlOnData.target);\r\n }\r\n else {\r\n $parse(adapterAttr).assign(this.startScope, {});\r\n adapterOnScope = $parse(adapterAttr)(this.startScope);\r\n }\r\n }\r\n catch (error) {\r\n error.message = `Angular ui-scroll Adapter assignment exception.\\n` +\r\n `Can't parse \"${adapterAttr}\" expression.\\n` +\r\n error.message;\r\n throw error;\r\n }\r\n\r\n angular.extend(adapterOnScope, this.publicContext);\r\n this.publicContext = adapterOnScope;\r\n }\r\n\r\n generatePublicContext($attr, $parse) {\r\n // these methods will be accessible out of ui-scroll via user defined adapter\r\n const publicMethods = ['reload', 'applyUpdates', 'append', 'prepend', 'isBOF', 'isEOF', 'isEmpty'];\r\n for (let i = publicMethods.length - 1; i >= 0; i--) {\r\n this.publicContext[publicMethods[i]] = this[publicMethods[i]].bind(this);\r\n }\r\n\r\n // these read-only props will be accessible out of ui-scroll via user defined adapter\r\n const publicProps = ['isLoading', 'topVisible', 'topVisibleElement', 'topVisibleScope', 'bottomVisible', 'bottomVisibleElement', 'bottomVisibleScope'];\r\n for (let i = publicProps.length - 1; i >= 0; i--) {\r\n let property, attr = $attr[publicProps[i]];\r\n Object.defineProperty(this, publicProps[i], {\r\n get: () => property,\r\n set: (value) => {\r\n property = value;\r\n this.publicContext[publicProps[i]] = value;\r\n if (attr) {\r\n $parse(attr).assign(this.startScope, value);\r\n }\r\n }\r\n });\r\n }\r\n\r\n // non-read-only public property\r\n Object.defineProperty(this.publicContext, 'disabled', {\r\n get: () => this.disabled,\r\n set: (value) => (!(this.disabled = value)) ? this.adjustBuffer() : null\r\n });\r\n }\r\n\r\n loading(value) {\r\n this['isLoading'] = value;\r\n }\r\n\r\n isBOF() {\r\n return this.buffer.bof;\r\n }\r\n\r\n isEOF() {\r\n return this.buffer.eof;\r\n }\r\n\r\n isEmpty() {\r\n return !this.buffer.length;\r\n }\r\n\r\n append(newItems) {\r\n this.buffer.append(newItems);\r\n this.adjustBuffer();\r\n this.viewport.clipTop();\r\n this.viewport.clipBottom();\r\n }\r\n\r\n prepend(newItems) {\r\n this.buffer.prepend(newItems);\r\n this.adjustBuffer();\r\n this.viewport.clipTop();\r\n this.viewport.clipBottom();\r\n }\r\n\r\n applyUpdates(arg1, arg2) {\r\n if (angular.isFunction(arg1)) {\r\n this.applyUpdatesFunc(arg1);\r\n } else {\r\n this.applyUpdatesIndex(arg1, arg2);\r\n }\r\n this.adjustBuffer();\r\n }\r\n\r\n applyUpdatesFunc(cb) {\r\n this.buffer.slice(0).forEach((wrapper) => {\r\n // we need to do it on the buffer clone, because buffer content\r\n // may change as we iterate through\r\n this.applyUpdate(wrapper, cb(wrapper.item, wrapper.scope, wrapper.element));\r\n });\r\n }\r\n\r\n applyUpdatesIndex(index, newItems) {\r\n if (index % 1 !== 0) { // checking if it is an integer\r\n throw new Error('applyUpdates - ' + index + ' is not a valid index');\r\n }\r\n index -= this.buffer.first;\r\n if ((index >= 0 && index < this.buffer.length)) {\r\n this.applyUpdate(this.buffer[index], newItems);\r\n }\r\n }\r\n\r\n applyUpdate(wrapper, newItems) {\r\n if (!angular.isArray(newItems)) {\r\n return;\r\n }\r\n let position = (this.buffer.indexOf(wrapper));\r\n if (!newItems.reverse().some((newItem) => newItem === wrapper.item)) {\r\n wrapper.op = 'remove';\r\n if(position === 0 && !newItems.length) {\r\n wrapper._op = 'isTop'; // to catch \"first\" edge case on remove\r\n }\r\n }\r\n newItems.forEach((newItem) => {\r\n if (newItem === wrapper.item) {\r\n position--;\r\n } else {\r\n // 3 parameter (isTop) is to catch \"first\" edge case on insert\r\n this.buffer.insert(position + 1, newItem, position === -1);\r\n }\r\n });\r\n }\r\n\r\n calculateProperties() {\r\n let rowTop = null, topHeight = 0;\r\n let topDone = false, bottomDone = false;\r\n const length = this.buffer.length;\r\n\r\n for (let i = 0; i < length; i++) {\r\n const item = this.buffer[i];\r\n const itemTop = item.element.offset().top;\r\n\r\n if (rowTop !== itemTop) { // a new row condition\r\n const itemHeight = item.element.outerHeight(true);\r\n const top = this.viewport.topDataPos() + topHeight + itemHeight;\r\n\r\n if (!topDone && top > this.viewport.topVisiblePos()) {\r\n topDone = true;\r\n this['topVisible'] = item.item;\r\n this['topVisibleElement'] = item.element;\r\n this['topVisibleScope'] = item.scope;\r\n }\r\n if (!bottomDone && (top >= this.viewport.bottomVisiblePos() || (i === length - 1 && this.isEOF()))) {\r\n bottomDone = true;\r\n this['bottomVisible'] = item.item;\r\n this['bottomVisibleElement'] = item.element;\r\n this['bottomVisibleScope'] = item.scope;\r\n }\r\n topHeight += itemHeight;\r\n }\r\n rowTop = itemTop;\r\n\r\n if (topDone && bottomDone) {\r\n break;\r\n }\r\n }\r\n }\r\n\r\n}\r\n\r\nexport default Adapter;\n\n\n// WEBPACK FOOTER //\n// ./src/modules/adapter.js","export default function ScrollBuffer(elementRoutines, bufferSize) {\r\n const buffer = Object.create(Array.prototype);\r\n\r\n angular.extend(buffer, {\r\n size: bufferSize,\r\n\r\n reset(startIndex) {\r\n buffer.remove(0, buffer.length);\r\n buffer.eof = false;\r\n buffer.bof = false;\r\n buffer.first = startIndex;\r\n buffer.next = startIndex;\r\n buffer.minIndex = startIndex;\r\n buffer.maxIndex = startIndex;\r\n buffer.minIndexUser = null;\r\n buffer.maxIndexUser = null;\r\n },\r\n\r\n append(items) {\r\n items.forEach((item) => {\r\n ++buffer.next;\r\n buffer.insert('append', item);\r\n });\r\n buffer.maxIndex = buffer.eof ? buffer.next - 1 : Math.max(buffer.next - 1, buffer.maxIndex);\r\n },\r\n\r\n prepend(items) {\r\n items.reverse().forEach((item) => {\r\n --buffer.first;\r\n buffer.insert('prepend', item);\r\n });\r\n buffer.minIndex = buffer.bof ? buffer.minIndex = buffer.first : Math.min(buffer.first, buffer.minIndex);\r\n },\r\n\r\n /**\r\n * inserts wrapped element in the buffer\r\n * the first argument is either operation keyword (see below) or a number for operation 'insert'\r\n * for insert the number is the index for the buffer element the new one have to be inserted after\r\n * operations: 'append', 'prepend', 'insert', 'remove', 'update', 'none'\r\n */\r\n insert(operation, item, isTop) {\r\n const wrapper = {\r\n item: item\r\n };\r\n\r\n if (operation % 1 === 0) {// it is an insert\r\n wrapper.op = 'insert';\r\n buffer.splice(operation, 0, wrapper);\r\n if(isTop) {\r\n buffer.first--;\r\n }\r\n else {\r\n buffer.next++;\r\n }\r\n } else {\r\n wrapper.op = operation;\r\n switch (operation) {\r\n case 'append':\r\n buffer.push(wrapper);\r\n break;\r\n case 'prepend':\r\n buffer.unshift(wrapper);\r\n break;\r\n }\r\n }\r\n },\r\n\r\n // removes elements from buffer\r\n remove(arg1, arg2) {\r\n if (angular.isNumber(arg1)) {\r\n // removes items from arg1 (including) through arg2 (excluding)\r\n for (let i = arg1; i < arg2; i++) {\r\n elementRoutines.removeElement(buffer[i]);\r\n }\r\n\r\n return buffer.splice(arg1, arg2 - arg1);\r\n }\r\n // removes single item(wrapper) from the buffer\r\n buffer.splice(buffer.indexOf(arg1), 1);\r\n if(arg1._op === 'isTop') {\r\n buffer.first++;\r\n }\r\n else {\r\n buffer.next--;\r\n }\r\n if(!buffer.length) {\r\n buffer.first = 1;\r\n buffer.next = 1;\r\n }\r\n\r\n return elementRoutines.removeElementAnimated(arg1);\r\n },\r\n\r\n effectiveHeight(elements) {\r\n if (!elements.length) {\r\n return 0;\r\n }\r\n let top = Number.MAX_VALUE;\r\n let bottom = Number.NEGATIVE_INFINITY;\r\n elements.forEach((wrapper) => {\r\n if (wrapper.element[0].offsetParent) {\r\n // element style is not display:none\r\n top = Math.min(top, wrapper.element.offset().top);\r\n bottom = Math.max(bottom, wrapper.element.offset().top + wrapper.element.outerHeight(true));\r\n }\r\n });\r\n return Math.max(0, bottom - top);\r\n }\r\n\r\n });\r\n\r\n return buffer;\r\n}\n\n\n// WEBPACK FOOTER //\n// ./src/modules/buffer.js","const hideClassToken = 'ng-ui-scroll-hide';\r\n\r\nfunction addCSSRule(sheet, selector, rules, index) {\r\n if('insertRule' in sheet) {\r\n sheet.insertRule(selector + '{' + rules + '}', index);\r\n }\r\n else if('addRule' in sheet) {\r\n sheet.addRule(selector, rules, index);\r\n }\r\n}\r\n\r\nexport default class ElementRoutines {\r\n\r\n constructor($injector, $q) {\r\n this.$animate = ($injector.has && $injector.has('$animate')) ? $injector.get('$animate') : null;\r\n this.isAngularVersionLessThen1_3 = angular.version.major === 1 && angular.version.minor < 3;\r\n this.$q = $q;\r\n addCSSRule(document.styleSheets[0], '.' + hideClassToken, 'display: none');\r\n }\r\n\r\n hideElement(wrapper) {\r\n wrapper.element.addClass(hideClassToken);\r\n }\r\n\r\n showElement(wrapper) {\r\n wrapper.element.removeClass(hideClassToken);\r\n }\r\n\r\n insertElement(newElement, previousElement) {\r\n previousElement.after(newElement);\r\n return [];\r\n }\r\n\r\n removeElement(wrapper) {\r\n wrapper.element.remove();\r\n wrapper.scope.$destroy();\r\n return [];\r\n }\r\n\r\n insertElementAnimated(newElement, previousElement) {\r\n if (!this.$animate) {\r\n return this.insertElement(newElement, previousElement);\r\n }\r\n\r\n if (this.isAngularVersionLessThen1_3) {\r\n const deferred = this.$q.defer();\r\n // no need for parent - previous element is never null\r\n this.$animate.enter(newElement, null, previousElement, () => deferred.resolve());\r\n\r\n return [deferred.promise];\r\n }\r\n\r\n // no need for parent - previous element is never null\r\n return [this.$animate.enter(newElement, null, previousElement)];\r\n }\r\n\r\n removeElementAnimated(wrapper) {\r\n if (!this.$animate) {\r\n return this.removeElement(wrapper);\r\n }\r\n\r\n if (this.isAngularVersionLessThen1_3) {\r\n const deferred = this.$q.defer();\r\n this.$animate.leave(wrapper.element, () => {\r\n wrapper.scope.$destroy();\r\n return deferred.resolve();\r\n });\r\n\r\n return [deferred.promise];\r\n }\r\n\r\n return [(this.$animate.leave(wrapper.element)).then(() => wrapper.scope.$destroy())];\r\n }\r\n}\n\n\n// WEBPACK FOOTER //\n// ./src/modules/elementRoutines.js","/*!\r\n globals: angular, window\r\n List of used element methods available in JQuery but not in JQuery Lite\r\n element.before(elem)\r\n element.height()\r\n element.outerHeight(true)\r\n element.height(value) = only for Top/Bottom padding elements\r\n element.scrollTop()\r\n element.scrollTop(value)\r\n */\r\n\r\nexport default class JQLiteExtras {\r\n\r\n registerFor(element) {\r\n let convertToPx, css, getStyle, isWindow;\r\n // angular implementation blows up if elem is the window\r\n css = angular.element.prototype.css;\r\n\r\n element.prototype.css = function (name, value) {\r\n let self = this;\r\n let elem = self[0];\r\n if (!(!elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style)) {\r\n return css.call(self, name, value);\r\n }\r\n };\r\n\r\n // as defined in angularjs v1.0.5\r\n isWindow = (obj) => obj && obj.document && obj.location && obj.alert && obj.setInterval;\r\n\r\n function scrollTo(self, direction, value) {\r\n let elem = self[0];\r\n let [method, prop, preserve] = {\r\n top: [\r\n 'scrollTop',\r\n 'pageYOffset',\r\n 'scrollLeft'\r\n ],\r\n left: [\r\n 'scrollLeft',\r\n 'pageXOffset',\r\n 'scrollTop'\r\n ]\r\n }[direction];\r\n\r\n if (isWindow(elem)) {\r\n if (angular.isDefined(value)) {\r\n return elem.scrollTo(self[preserve].call(self), value);\r\n }\r\n return (prop in elem) ? elem[prop] : elem.document.documentElement[method];\r\n } else {\r\n if (angular.isDefined(value)) {\r\n elem[method] = value;\r\n }\r\n return elem[method];\r\n }\r\n }\r\n\r\n if (window.getComputedStyle) {\r\n getStyle = (elem) => window.getComputedStyle(elem, null);\r\n convertToPx = (elem, value) => parseFloat(value);\r\n } else {\r\n getStyle = (elem) => elem.currentStyle;\r\n convertToPx = (elem, value) => {\r\n let left, result, rs, rsLeft, style;\r\n let core_pnum = /[+-]?(?:\\d*\\.|)\\d+(?:[eE][+-]?\\d+|)/.source;\r\n let rnumnonpx = new RegExp('^(' + core_pnum + ')(?!px)[a-z%]+$', 'i');\r\n\r\n if (!rnumnonpx.test(value)) {\r\n return parseFloat(value);\r\n }\r\n\r\n // ported from JQuery\r\n style = elem.style;\r\n left = style.left;\r\n rs = elem.runtimeStyle;\r\n rsLeft = rs && rs.left;\r\n if (rs) {\r\n rs.left = style.left;\r\n }\r\n // put in the new values to get a computed style out\r\n style.left = value;\r\n result = style.pixelLeft;\r\n style.left = left;\r\n if (rsLeft) {\r\n rs.left = rsLeft;\r\n }\r\n return result;\r\n };\r\n }\r\n\r\n function getMeasurements(elem, measure) {\r\n let base, borderA, borderB, computedMarginA, computedMarginB, computedStyle, dirA, dirB, marginA, marginB, paddingA, paddingB;\r\n\r\n if (isWindow(elem)) {\r\n base = document.documentElement[{height: 'clientHeight', width: 'clientWidth'}[measure]];\r\n\r\n return {\r\n base: base,\r\n padding: 0,\r\n border: 0,\r\n margin: 0\r\n };\r\n }\r\n\r\n // Start with offset property\r\n [\r\n base,\r\n dirA,\r\n dirB\r\n ] = {\r\n width: [\r\n elem.offsetWidth,\r\n 'Left',\r\n 'Right'\r\n ],\r\n height: [\r\n elem.offsetHeight,\r\n 'Top',\r\n 'Bottom'\r\n ]\r\n }[measure];\r\n\r\n computedStyle = getStyle(elem);\r\n paddingA = convertToPx(elem, computedStyle['padding' + dirA]) || 0;\r\n paddingB = convertToPx(elem, computedStyle['padding' + dirB]) || 0;\r\n borderA = convertToPx(elem, computedStyle['border' + dirA + 'Width']) || 0;\r\n borderB = convertToPx(elem, computedStyle['border' + dirB + 'Width']) || 0;\r\n computedMarginA = computedStyle['margin' + dirA];\r\n computedMarginB = computedStyle['margin' + dirB];\r\n\r\n // I do not care for width for now, so this hack is irrelevant\r\n // if ( !supportsPercentMargin )\r\n // computedMarginA = hackPercentMargin( elem, computedStyle, computedMarginA )\r\n // computedMarginB = hackPercentMargin( elem, computedStyle, computedMarginB )\r\n marginA = convertToPx(elem, computedMarginA) || 0;\r\n marginB = convertToPx(elem, computedMarginB) || 0;\r\n\r\n return {\r\n base: base,\r\n padding: paddingA + paddingB,\r\n border: borderA + borderB,\r\n margin: marginA + marginB\r\n };\r\n }\r\n\r\n function getWidthHeight(elem, direction, measure) {\r\n let computedStyle, result;\r\n\r\n let measurements = getMeasurements(elem, direction);\r\n\r\n if (measurements.base > 0) {\r\n return {\r\n base: measurements.base - measurements.padding - measurements.border,\r\n outer: measurements.base,\r\n outerfull: measurements.base + measurements.margin\r\n }[measure];\r\n }\r\n\r\n // Fall back to computed then uncomputed css if necessary\r\n computedStyle = getStyle(elem);\r\n result = computedStyle[direction];\r\n\r\n if (result < 0 || result === null) {\r\n result = elem.style[direction] || 0;\r\n }\r\n\r\n // Normalize \"\", auto, and prepare for extra\r\n result = parseFloat(result) || 0;\r\n\r\n return {\r\n base: result - measurements.padding - measurements.border,\r\n outer: result,\r\n outerfull: result + measurements.padding + measurements.border + measurements.margin\r\n }[measure];\r\n }\r\n\r\n // define missing methods\r\n return angular.forEach({\r\n before(newElem) {\r\n var children, elem, i, j, parent, ref, self;\r\n self = this;\r\n elem = self[0];\r\n parent = self.parent();\r\n children = parent.contents();\r\n if (children[0] === elem) {\r\n return parent.prepend(newElem);\r\n } else {\r\n for (i = j = 1, ref = children.length - 1; 1 <= ref ? j <= ref : j >= ref; i = 1 <= ref ? ++j : --j) {\r\n if (children[i] === elem) {\r\n angular.element(children[i - 1]).after(newElem);\r\n return;\r\n }\r\n }\r\n throw new Error('invalid DOM structure ' + elem.outerHTML);\r\n }\r\n },\r\n height (value){\r\n var self;\r\n self = this;\r\n if (angular.isDefined(value)) {\r\n if (angular.isNumber(value)) {\r\n value = value + 'px';\r\n }\r\n return css.call(self, 'height', value);\r\n } else {\r\n return getWidthHeight(this[0], 'height', 'base');\r\n }\r\n },\r\n outerHeight(option) {\r\n return getWidthHeight(this[0], 'height', option ? 'outerfull' : 'outer');\r\n },\r\n outerWidth(option) {\r\n return getWidthHeight(this[0], 'width', option ? 'outerfull' : 'outer');\r\n },\r\n\r\n /*\r\n The offset setter method is not implemented\r\n */\r\n offset(value) {\r\n let docElem, win;\r\n let self = this;\r\n let box = {\r\n top: 0,\r\n left: 0\r\n };\r\n let elem = self[0];\r\n let doc = elem && elem.ownerDocument;\r\n\r\n if (arguments.length) {\r\n if (value === undefined) {\r\n return self;\r\n }\r\n // TODO: implement setter\r\n throw new Error('offset setter method is not implemented');\r\n }\r\n\r\n if (!doc) {\r\n return;\r\n }\r\n\r\n docElem = doc.documentElement;\r\n\r\n // TODO: Make sure it's not a disconnected DOM node\r\n\r\n if (elem.getBoundingClientRect != null) {\r\n box = elem.getBoundingClientRect();\r\n }\r\n\r\n win = doc.defaultView || doc.parentWindow;\r\n\r\n return {\r\n top: box.top + (win.pageYOffset || docElem.scrollTop) - (docElem.clientTop || 0),\r\n left: box.left + (win.pageXOffset || docElem.scrollLeft) - (docElem.clientLeft || 0)\r\n };\r\n },\r\n scrollTop(value) {\r\n return scrollTo(this, 'top', value);\r\n },\r\n scrollLeft(value) {\r\n return scrollTo(this, 'left', value);\r\n }\r\n }, (value, key) => {\r\n if (!element.prototype[key]) {\r\n return element.prototype[key] = value;\r\n }\r\n });\r\n }\r\n\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/modules/jqLiteExtras.js","import Padding from './padding';\r\n\r\nexport default function Viewport(elementRoutines, buffer, element, viewportController, $rootScope, padding) {\r\n let topPadding = null;\r\n let bottomPadding = null;\r\n const viewport = viewportController && viewportController.viewport ? viewportController.viewport : angular.element(window);\r\n const container = viewportController && viewportController.container ? viewportController.container : undefined;\r\n const scope = viewportController && viewportController.scope ? viewportController.scope : $rootScope;\r\n\r\n viewport.css({\r\n 'overflow-anchor': 'none',\r\n 'overflow-y': 'auto',\r\n 'display': 'block'\r\n });\r\n\r\n function bufferPadding() {\r\n return viewport.outerHeight() * padding; // some extra space to initiate preload\r\n }\r\n\r\n angular.extend(viewport, {\r\n getScope() {\r\n return scope;\r\n },\r\n\r\n createPaddingElements(template) {\r\n topPadding = new Padding(template);\r\n bottomPadding = new Padding(template);\r\n element.before(topPadding);\r\n element.after(bottomPadding);\r\n },\r\n\r\n applyContainerStyle() {\r\n if (container && container !== viewport) {\r\n viewport.css('height', window.getComputedStyle(container[0]).height);\r\n }\r\n },\r\n\r\n bottomDataPos() {\r\n let scrollHeight = viewport[0].scrollHeight;\r\n scrollHeight = scrollHeight != null ? scrollHeight : viewport[0].document.documentElement.scrollHeight;\r\n return scrollHeight - bottomPadding.height();\r\n },\r\n\r\n topDataPos() {\r\n return topPadding.height();\r\n },\r\n\r\n bottomVisiblePos() {\r\n return viewport.scrollTop() + viewport.outerHeight();\r\n },\r\n\r\n topVisiblePos() {\r\n return viewport.scrollTop();\r\n },\r\n\r\n insertElement(e, sibling) {\r\n return elementRoutines.insertElement(e, sibling || topPadding);\r\n },\r\n\r\n insertElementAnimated(e, sibling) {\r\n return elementRoutines.insertElementAnimated(e, sibling || topPadding);\r\n },\r\n\r\n shouldLoadBottom() {\r\n return !buffer.eof && viewport.bottomDataPos() < viewport.bottomVisiblePos() + bufferPadding();\r\n },\r\n\r\n clipBottom() {\r\n // clip the invisible items off the bottom\r\n let overage = 0;\r\n let overageHeight = 0;\r\n let itemHeight = 0;\r\n let emptySpaceHeight = viewport.bottomDataPos() - viewport.bottomVisiblePos() - bufferPadding();\r\n\r\n for (let i = buffer.length - 1; i >= 0; i--) {\r\n itemHeight = buffer[i].element.outerHeight(true);\r\n if (overageHeight + itemHeight > emptySpaceHeight) {\r\n break;\r\n }\r\n bottomPadding.cache.add(buffer[i]);\r\n overageHeight += itemHeight;\r\n overage++;\r\n }\r\n\r\n if (overage > 0) {\r\n buffer.eof = false;\r\n buffer.remove(buffer.length - overage, buffer.length);\r\n buffer.next -= overage;\r\n viewport.adjustPaddings();\r\n }\r\n },\r\n\r\n shouldLoadTop() {\r\n return !buffer.bof && (viewport.topDataPos() > viewport.topVisiblePos() - bufferPadding());\r\n },\r\n\r\n clipTop() {\r\n // clip the invisible items off the top\r\n let overage = 0;\r\n let overageHeight = 0;\r\n let itemHeight = 0;\r\n let emptySpaceHeight = viewport.topVisiblePos() - viewport.topDataPos() - bufferPadding();\r\n\r\n for (let i = 0; i < buffer.length; i++) {\r\n itemHeight = buffer[i].element.outerHeight(true);\r\n if (overageHeight + itemHeight > emptySpaceHeight) {\r\n break;\r\n }\r\n topPadding.cache.add(buffer[i]);\r\n overageHeight += itemHeight;\r\n overage++;\r\n }\r\n\r\n if (overage > 0) {\r\n // we need to adjust top padding element before items are removed from top\r\n // to avoid strange behaviour of scroll bar during remove top items when we are at the very bottom\r\n topPadding.height(topPadding.height() + overageHeight);\r\n buffer.bof = false;\r\n buffer.remove(0, overage);\r\n buffer.first += overage;\r\n }\r\n },\r\n\r\n adjustPaddings() {\r\n if (!buffer.length) {\r\n return;\r\n }\r\n\r\n // precise heights calculation, items that were in buffer once\r\n let topPaddingHeight = topPadding.cache.reduce((summ, item) => summ + (item.index < buffer.first ? item.height : 0), 0);\r\n let bottomPaddingHeight = bottomPadding.cache.reduce((summ, item) => summ + (item.index >= buffer.next ? item.height : 0), 0);\r\n\r\n // average item height based on buffer data\r\n let visibleItemsHeight = buffer.reduce((summ, item) => summ + item.element.outerHeight(true), 0);\r\n let averageItemHeight = (visibleItemsHeight + topPaddingHeight + bottomPaddingHeight) / (buffer.maxIndex - buffer.minIndex + 1);\r\n\r\n // average heights calculation, items that have never been reached\r\n let adjustTopPadding = buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser;\r\n let adjustBottomPadding = buffer.maxIndexUser !== null && buffer.maxIndex < buffer.maxIndexUser;\r\n let topPaddingHeightAdd = adjustTopPadding ? (buffer.minIndex - buffer.minIndexUser) * averageItemHeight : 0;\r\n let bottomPaddingHeightAdd = adjustBottomPadding ? (buffer.maxIndexUser - buffer.maxIndex) * averageItemHeight : 0;\r\n\r\n // paddings combine adjustment\r\n topPadding.height(topPaddingHeight + topPaddingHeightAdd);\r\n bottomPadding.height(bottomPaddingHeight + bottomPaddingHeightAdd);\r\n },\r\n\r\n onAfterMinIndexSet(topPaddingHeightOld) {\r\n // additional scrollTop adjustment in case of datasource.minIndex external set\r\n if (buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser) {\r\n let diff = topPadding.height() - topPaddingHeightOld;\r\n viewport.scrollTop(viewport.scrollTop() + diff);\r\n diff -= viewport.scrollTop();\r\n if(diff > 0) {\r\n bottomPadding.height(bottomPadding.height() + diff);\r\n viewport.scrollTop(viewport.scrollTop() + diff);\r\n }\r\n }\r\n },\r\n\r\n onAfterPrepend(updates) {\r\n if (!updates.prepended.length)\r\n return;\r\n const height = buffer.effectiveHeight(updates.prepended);\r\n const paddingHeight = topPadding.height() - height;\r\n if (paddingHeight >= 0) {\r\n topPadding.height(paddingHeight);\r\n }\r\n else {\r\n topPadding.height(0);\r\n viewport.scrollTop(viewport.scrollTop() - paddingHeight);\r\n }\r\n },\r\n\r\n resetTopPadding() {\r\n topPadding.height(0);\r\n topPadding.cache.clear();\r\n },\r\n\r\n resetBottomPadding() {\r\n bottomPadding.height(0);\r\n bottomPadding.cache.clear();\r\n },\r\n\r\n removeItem(item) {\r\n topPadding.cache.remove(item);\r\n bottomPadding.cache.remove(item);\r\n return buffer.remove(item);\r\n }\r\n });\r\n\r\n return viewport;\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/modules/viewport.js","// Can't just extend the Array, due to Babel does not support built-in classes extending\r\n// This solution was taken from https://stackoverflow.com/questions/46897414/es6-class-extends-array-workaround-for-es5-babel-transpile\r\nclass CacheProto {\r\n add(item) {\r\n for (let i = this.length - 1; i >= 0; i--) {\r\n if (this[i].index === item.scope.$index) {\r\n this[i].height = item.element.outerHeight();\r\n return;\r\n }\r\n }\r\n this.push({\r\n index: item.scope.$index,\r\n height: item.element.outerHeight()\r\n });\r\n this.sort((a, b) => ((a.index < b.index) ? -1 : ((a.index > b.index) ? 1 : 0)));\r\n }\r\n\r\n remove(itemToRemove) {\r\n for (let i = this.length - 1; i >= 0; i--) {\r\n if (this[i].index === itemToRemove.scope.$index) {\r\n this.splice(i, 1);\r\n break;\r\n }\r\n }\r\n if(itemToRemove._op !== 'isTop') {\r\n for (let i = this.length - 1; i >= 0; i--) {\r\n if (this[i].index > itemToRemove.scope.$index) {\r\n this[i].index--;\r\n }\r\n }\r\n }\r\n }\r\n\r\n clear() {\r\n this.length = 0;\r\n }\r\n}\r\n\r\nfunction Cache() {\r\n const instance = [];\r\n instance.push.apply(instance, arguments);\r\n Object.setPrototypeOf(instance, Cache.prototype);\r\n return instance;\r\n}\r\nCache.prototype = Object.create(Array.prototype);\r\nObject.getOwnPropertyNames(CacheProto.prototype).forEach(methodName =>\r\n Cache.prototype[methodName] = CacheProto.prototype[methodName]\r\n);\r\n\r\nexport default function Padding(template) {\r\n let result;\r\n\r\n if(template.nodeType !== Node.ELEMENT_NODE) {\r\n throw new Error('ui-scroll directive requires an Element node for templating the view');\r\n }\r\n\r\n switch (template.tagName.toLowerCase()) {\r\n case 'dl':\r\n throw new Error(`ui-scroll directive does not support <${template.tagName}> as a repeating tag: ${template.outerHTML}`);\r\n case 'tr':\r\n let table = angular.element('
    ');\r\n result = table.find('tr');\r\n break;\r\n case 'li':\r\n result = angular.element('
  • ');\r\n break;\r\n default:\r\n result = angular.element('
    ');\r\n }\r\n\r\n result.cache = new Cache();\r\n\r\n return result;\r\n}\n\n\n// WEBPACK FOOTER //\n// ./src/modules/padding.js","import JQLiteExtras from './modules/jqLiteExtras';\nimport ElementRoutines from './modules/elementRoutines.js';\nimport ScrollBuffer from './modules/buffer.js';\nimport Viewport from './modules/viewport.js';\nimport Adapter from './modules/adapter.js';\n\nangular.module('ui.scroll', [])\n\n .service('jqLiteExtras', () => new JQLiteExtras())\n .run(['jqLiteExtras', (jqLiteExtras) =>\n !window.jQuery ? jqLiteExtras.registerFor(angular.element) : null\n ])\n\n .directive('uiScrollViewport', function () {\n return {\n restrict: 'A',\n controller: [\n '$scope',\n '$element',\n function (scope, element) {\n this.container = element;\n this.viewport = element;\n this.scope = scope;\n\n angular.forEach(element.children(), (child => {\n if (child.tagName.toLowerCase() === 'tbody') {\n this.viewport = angular.element(child);\n }\n }));\n\n return this;\n }\n ]\n };\n })\n\n .directive('uiScroll', [\n '$log',\n '$injector',\n '$rootScope',\n '$timeout',\n '$q',\n '$parse',\n function (console, $injector, $rootScope, $timeout, $q, $parse) {\n\n return {\n require: ['?^uiScrollViewport'],\n restrict: 'A',\n transclude: 'element',\n priority: 1000,\n terminal: true,\n link: link\n };\n\n function link($scope, element, $attr, controllers, linker) {\n const match = $attr.uiScroll.match(/^\\s*(\\w+)\\s+in\\s+([(\\w|\\$)\\.]+)\\s*$/);\n if (!match) {\n throw new Error('Expected uiScroll in form of \\'_item_ in _datasource_\\' but got \\'' + $attr.uiScroll + '\\'');\n }\n\n function parseNumericAttr(value, defaultValue) {\n let result = $parse(value)($scope);\n return isNaN(result) ? defaultValue : result;\n }\n\n const BUFFER_MIN = 3;\n const BUFFER_DEFAULT = 10;\n const PADDING_MIN = 0.3;\n const PADDING_DEFAULT = 0.5;\n\n let datasource = null;\n const itemName = match[1];\n const datasourceName = match[2];\n const viewportController = controllers[0];\n const bufferSize = Math.max(BUFFER_MIN, parseNumericAttr($attr.bufferSize, BUFFER_DEFAULT));\n const padding = Math.max(PADDING_MIN, parseNumericAttr($attr.padding, PADDING_DEFAULT));\n let startIndex = parseNumericAttr($attr.startIndex, 1);\n let ridActual = 0;// current data revision id\n let pending = [];\n\n let elementRoutines = new ElementRoutines($injector, $q);\n let buffer = new ScrollBuffer(elementRoutines, bufferSize);\n let viewport = new Viewport(elementRoutines, buffer, element, viewportController, $rootScope, padding);\n let adapter = new Adapter(viewport, buffer, adjustBuffer, reload, $attr, $parse, element, $scope);\n\n if (viewportController) {\n viewportController.adapter = adapter;\n }\n\n let isDatasourceValid = () => angular.isObject(datasource) && angular.isFunction(datasource.get);\n datasource = $parse(datasourceName)($scope); // try to get datasource on scope\n if (!isDatasourceValid()) {\n datasource = $injector.get(datasourceName); // try to inject datasource as service\n if (!isDatasourceValid()) {\n throw new Error(datasourceName + ' is not a valid datasource');\n }\n }\n\n let onRenderHandlers = [];\n function onRenderHandlersRunner() {\n if(onRenderHandlers.length) {\n angular.forEach(onRenderHandlers, (handler) => handler());\n onRenderHandlers = [];\n }\n }\n function preDefineIndexProperty(datasource, propName) {\n let getter;\n // need to postpone min/maxIndexUser processing if the view is empty\n if(datasource.hasOwnProperty(propName) && !buffer.length) {\n getter = datasource[propName];\n delete datasource[propName];\n onRenderHandlers.push(() => datasource[propName] = getter);\n }\n }\n\n function defineIndexProperty(datasource, propName, propUserName) {\n let descriptor = Object.getOwnPropertyDescriptor(datasource, propName);\n if (descriptor && (descriptor.set || descriptor.get)) {\n return;\n }\n let getter;\n preDefineIndexProperty(datasource, propName);\n Object.defineProperty(datasource, propName, {\n set: (value) => {\n getter = value;\n buffer[propUserName] = value;\n let topPaddingHeightOld = viewport.topDataPos();\n viewport.adjustPaddings();\n if (propName === 'minIndex') {\n viewport.onAfterMinIndexSet(topPaddingHeightOld);\n }\n },\n get: () => getter\n });\n }\n\n defineIndexProperty(datasource, 'minIndex', 'minIndexUser');\n defineIndexProperty(datasource, 'maxIndex', 'maxIndexUser');\n\n const fetchNext = (datasource.get.length !== 2) ?\n (success) => datasource.get(buffer.next, bufferSize, success) :\n (success) => {\n datasource.get({\n index: buffer.next,\n append: buffer.length ? buffer[buffer.length - 1].item : void 0,\n count: bufferSize\n }, success);\n };\n\n const fetchPrevious = (datasource.get.length !== 2) ?\n (success) => datasource.get(buffer.first - bufferSize, bufferSize, success) :\n (success) => {\n datasource.get({\n index: buffer.first - bufferSize,\n prepend: buffer.length ? buffer[0].item : void 0,\n count: bufferSize\n }, success);\n };\n\n /**\n * Build padding elements\n *\n * Calling linker is the only way I found to get access to the tag name of the template\n * to prevent the directive scope from pollution a new scope is created and destroyed\n * right after the builder creation is completed\n */\n linker((clone, scope) => {\n viewport.createPaddingElements(clone[0]);\n // we do not include the clone in the DOM. It means that the nested directives will not\n // be able to reach the parent directives, but in this case it is intentional because we\n // created the clone to access the template tag name\n scope.$destroy();\n clone.remove();\n });\n\n $scope.$on('$destroy', () => {\n unbindEvents();\n viewport.unbind('mousewheel', wheelHandler);\n });\n\n viewport.bind('mousewheel', wheelHandler);\n\n $timeout(() => {\n viewport.applyContainerStyle();\n reload();\n });\n\n /* Private function definitions */\n\n function isInvalid(rid) {\n return (rid && rid !== ridActual) || $scope.$$destroyed;\n }\n\n function bindEvents() {\n viewport.bind('resize', resizeAndScrollHandler);\n viewport.bind('scroll', resizeAndScrollHandler);\n }\n\n function unbindEvents() {\n viewport.unbind('resize', resizeAndScrollHandler);\n viewport.unbind('scroll', resizeAndScrollHandler);\n }\n\n function reload() {\n viewport.resetTopPadding();\n viewport.resetBottomPadding();\n if (arguments.length) {\n startIndex = arguments[0];\n }\n buffer.reset(startIndex);\n adjustBuffer();\n }\n\n function isElementVisible(wrapper) {\n return wrapper.element.height() && wrapper.element[0].offsetParent;\n }\n\n function visibilityWatcher(wrapper) {\n if (isElementVisible(wrapper)) {\n buffer.forEach((item) => {\n if (angular.isFunction(item.unregisterVisibilityWatcher)) {\n item.unregisterVisibilityWatcher();\n delete item.unregisterVisibilityWatcher;\n }\n });\n if (!pending.length) {\n $timeout(() => adjustBuffer());\n }\n }\n }\n\n function insertWrapperContent(wrapper, insertAfter) {\n createElement(wrapper, insertAfter, viewport.insertElement);\n if (!isElementVisible(wrapper)) {\n wrapper.unregisterVisibilityWatcher = wrapper.scope.$watch(() => visibilityWatcher(wrapper));\n }\n elementRoutines.hideElement(wrapper); // hide inserted elements before data binding\n }\n\n function createElement(wrapper, insertAfter, insertElement) {\n let promises = null;\n let sibling = (insertAfter > 0) ? buffer[insertAfter - 1].element : undefined;\n linker((clone, scope) => {\n promises = insertElement(clone, sibling);\n wrapper.element = clone;\n wrapper.scope = scope;\n scope[itemName] = wrapper.item;\n });\n // ui-scroll-grid apply\n if (adapter.transform) {\n let tdInitializer = wrapper.scope.uiScrollTdInitializer;\n if (tdInitializer && tdInitializer.linking) {\n adapter.transform(wrapper.scope, wrapper.element);\n } else {\n wrapper.scope.uiScrollTdInitializer = {\n onLink: () => adapter.transform(wrapper.scope, wrapper.element),\n scope: wrapper.scope\n };\n }\n }\n return promises;\n }\n\n function updateDOM() {\n let promises = [];\n const toBePrepended = [];\n const toBeRemoved = [];\n const inserted = [];\n\n buffer.forEach((wrapper, i) => {\n switch (wrapper.op) {\n case 'prepend':\n toBePrepended.unshift(wrapper);\n break;\n case 'append':\n insertWrapperContent(wrapper, i);\n wrapper.op = 'none';\n inserted.push(wrapper);\n break;\n case 'insert':\n promises = promises.concat(createElement(wrapper, i, viewport.insertElementAnimated));\n wrapper.op = 'none';\n inserted.push(wrapper);\n break;\n case 'remove':\n toBeRemoved.push(wrapper);\n }\n });\n\n toBeRemoved.forEach((wrapper) => promises = promises.concat(viewport.removeItem(wrapper)));\n\n if (toBePrepended.length)\n toBePrepended.forEach((wrapper) => {\n insertWrapperContent(wrapper);\n wrapper.op = 'none';\n });\n\n buffer.forEach((item, i) => item.scope.$index = buffer.first + i);\n\n return {\n prepended: toBePrepended,\n removed: toBeRemoved,\n inserted: inserted,\n animated: promises\n };\n\n }\n\n function updatePaddings(rid, updates) {\n // schedule another adjustBuffer after animation completion\n if (updates.animated.length) {\n $q.all(updates.animated).then(() => {\n viewport.adjustPaddings();\n adjustBuffer(rid);\n });\n } else {\n viewport.adjustPaddings();\n }\n }\n\n function enqueueFetch(rid, updates) {\n if (viewport.shouldLoadBottom()) {\n if (!updates || buffer.effectiveHeight(updates.inserted) > 0) {\n // this means that at least one item appended in the last batch has height > 0\n if (pending.push(true) === 1) {\n adapter.loading(true);\n fetch(rid);\n }\n }\n } else if (viewport.shouldLoadTop()) {\n if ((!updates || buffer.effectiveHeight(updates.prepended) > 0) || pending[0]) {\n // this means that at least one item appended in the last batch has height > 0\n // pending[0] = true means that previous fetch was appending. We need to force at least one prepend\n // BTW there will always be at least 1 element in the pending array because bottom is fetched first\n if (pending.push(false) === 1) {\n adapter.loading(true);\n fetch(rid);\n }\n }\n }\n }\n\n function processUpdates() {\n const updates = updateDOM();\n\n // We need the item bindings to be processed before we can do adjustments\n !$scope.$$phase && !$scope.$root.$$phase && $scope.$digest();\n\n updates.inserted.forEach(w => elementRoutines.showElement(w));\n updates.prepended.forEach(w => elementRoutines.showElement(w));\n return updates;\n }\n\n function adjustBuffer(rid) {\n if (!rid) { // dismiss pending requests\n pending = [];\n rid = ++ridActual;\n }\n\n const updates = processUpdates();\n\n if (isInvalid(rid)) {\n return;\n }\n\n updatePaddings(rid, updates);\n enqueueFetch(rid);\n\n if (!pending.length) {\n adapter.calculateProperties();\n }\n }\n\n function adjustBufferAfterFetch(rid) {\n const updates = processUpdates();\n\n viewport.onAfterPrepend(updates);\n\n if (isInvalid(rid)) {\n return;\n }\n\n updatePaddings(rid, updates);\n onRenderHandlersRunner();\n enqueueFetch(rid, updates);\n pending.shift();\n\n if (pending.length)\n fetch(rid);\n else {\n adapter.loading(false);\n bindEvents();\n adapter.calculateProperties();\n }\n }\n\n function fetch(rid) {\n if (pending[0]) {// scrolling down\n if (buffer.length && !viewport.shouldLoadBottom()) {\n adjustBufferAfterFetch(rid);\n } else {\n fetchNext((result) => {\n if (isInvalid(rid)) {\n return;\n }\n\n if (result.length < bufferSize) {\n buffer.eof = true;\n }\n\n if (result.length > 0) {\n viewport.clipTop();\n buffer.append(result);\n }\n\n adjustBufferAfterFetch(rid);\n });\n }\n } else { // scrolling up\n if (buffer.length && !viewport.shouldLoadTop()) {\n adjustBufferAfterFetch(rid);\n } else {\n fetchPrevious((result) => {\n if (isInvalid(rid)) {\n return;\n }\n\n if (result.length < bufferSize) {\n buffer.bof = true;\n // log 'bof is reached'\n }\n\n if (result.length > 0) {\n if (buffer.length) {\n viewport.clipBottom();\n }\n buffer.prepend(result);\n }\n\n adjustBufferAfterFetch(rid);\n });\n }\n }\n }\n\n function resizeAndScrollHandler() {\n if (!$rootScope.$$phase && !adapter.isLoading && !adapter.disabled) {\n\n enqueueFetch(ridActual);\n\n if (pending.length) {\n unbindEvents();\n } else {\n adapter.calculateProperties();\n !$scope.$$phase && $scope.$digest();\n }\n }\n }\n\n function wheelHandler(event) {\n if (!adapter.disabled) {\n let scrollTop = viewport[0].scrollTop;\n let yMax = viewport[0].scrollHeight - viewport[0].clientHeight;\n\n if ((scrollTop === 0 && !buffer.bof) || (scrollTop === yMax && !buffer.eof)) {\n event.preventDefault();\n }\n }\n }\n }\n\n }\n ]);\n\n\n// WEBPACK FOOTER //\n// ./src/ui-scroll.js"],"sourceRoot":""} \ No newline at end of file +{"version":3,"sources":["webpack:///webpack/bootstrap 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exports\n \treturn __webpack_require__(__webpack_require__.s = 7);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap 3ddab4c41c0955d84bfb","function getCtrlOnData(attr, element) {\r\n let onSyntax = attr.match(/^(.+)(\\s+on\\s+)(.+)?/);\r\n if (onSyntax && onSyntax.length === 4) {\r\n window.console.log('Angular ui-scroll adapter assignment warning. \"Controller On\" syntax has been deprecated since ui-scroll v1.6.1.');\r\n let ctrl = onSyntax[3];\r\n let tail = onSyntax[1];\r\n let candidate = element;\r\n while (candidate.length) {\r\n let candidateScope = candidate.scope(); // doesn't work when debugInfoEnabled flag = true\r\n let candidateName = (candidate.attr('ng-controller') || '').match(/(\\w(?:\\w|\\d)*)(?:\\s+as\\s+(\\w(?:\\w|\\d)*))?/);\r\n if (candidateName && candidateName[1] === ctrl) {\r\n return {\r\n target: candidateScope,\r\n source: tail\r\n };\r\n }\r\n candidate = candidate.parent();\r\n }\r\n throw new Error('Angular ui-scroll adapter assignment error. Failed to locate target controller \"' + ctrl + '\" to inject \"' + tail + '\"');\r\n }\r\n}\r\n\r\nclass Adapter {\r\n\r\n constructor(viewport, buffer, adjustBuffer, reload, $attr, $parse, element, $scope) {\r\n this.viewport = viewport;\r\n this.buffer = buffer;\r\n this.adjustBuffer = adjustBuffer;\r\n this.reload = reload;\r\n\r\n this.isLoading = false;\r\n this.disabled = false;\r\n\r\n const viewportScope = viewport.getScope();\r\n this.startScope = viewportScope.$parent ? viewportScope : $scope;\r\n\r\n this.publicContext = {};\r\n this.assignAdapter($attr.adapter, $parse, element);\r\n this.generatePublicContext($attr, $parse);\r\n }\r\n\r\n assignAdapter(adapterAttr, $parse, element) {\r\n if (!adapterAttr || !(adapterAttr = adapterAttr.replace(/^\\s+|\\s+$/gm, ''))) {\r\n return;\r\n }\r\n let ctrlOnData = getCtrlOnData(adapterAttr, element);\r\n let adapterOnScope;\r\n\r\n try {\r\n if (ctrlOnData) { // \"Controller On\", deprecated since v1.6.1\r\n $parse(ctrlOnData.source).assign(ctrlOnData.target, {});\r\n adapterOnScope = $parse(ctrlOnData.source)(ctrlOnData.target);\r\n }\r\n else {\r\n $parse(adapterAttr).assign(this.startScope, {});\r\n adapterOnScope = $parse(adapterAttr)(this.startScope);\r\n }\r\n }\r\n catch (error) {\r\n error.message = `Angular ui-scroll Adapter assignment exception.\\n` +\r\n `Can't parse \"${adapterAttr}\" expression.\\n` +\r\n error.message;\r\n throw error;\r\n }\r\n\r\n angular.extend(adapterOnScope, this.publicContext);\r\n this.publicContext = adapterOnScope;\r\n }\r\n\r\n generatePublicContext($attr, $parse) {\r\n // these methods will be accessible out of ui-scroll via user defined adapter\r\n const publicMethods = ['reload', 'applyUpdates', 'append', 'prepend', 'isBOF', 'isEOF', 'isEmpty'];\r\n for (let i = publicMethods.length - 1; i >= 0; i--) {\r\n this.publicContext[publicMethods[i]] = this[publicMethods[i]].bind(this);\r\n }\r\n\r\n // these read-only props will be accessible out of ui-scroll via user defined adapter\r\n const publicProps = ['isLoading', 'topVisible', 'topVisibleElement', 'topVisibleScope', 'bottomVisible', 'bottomVisibleElement', 'bottomVisibleScope'];\r\n for (let i = publicProps.length - 1; i >= 0; i--) {\r\n let property, attr = $attr[publicProps[i]];\r\n Object.defineProperty(this, publicProps[i], {\r\n get: () => property,\r\n set: (value) => {\r\n property = value;\r\n this.publicContext[publicProps[i]] = value;\r\n if (attr) {\r\n $parse(attr).assign(this.startScope, value);\r\n }\r\n }\r\n });\r\n }\r\n\r\n // non-read-only public property\r\n Object.defineProperty(this.publicContext, 'disabled', {\r\n get: () => this.disabled,\r\n set: (value) => (!(this.disabled = value)) ? this.adjustBuffer() : null\r\n });\r\n }\r\n\r\n loading(value) {\r\n this['isLoading'] = value;\r\n }\r\n\r\n isBOF() {\r\n return this.buffer.bof;\r\n }\r\n\r\n isEOF() {\r\n return this.buffer.eof;\r\n }\r\n\r\n isEmpty() {\r\n return !this.buffer.length;\r\n }\r\n\r\n append(newItems) {\r\n this.buffer.append(newItems);\r\n this.adjustBuffer();\r\n this.viewport.clipTop();\r\n this.viewport.clipBottom();\r\n }\r\n\r\n prepend(newItems) {\r\n this.buffer.prepend(newItems);\r\n this.adjustBuffer();\r\n this.viewport.clipTop();\r\n this.viewport.clipBottom();\r\n }\r\n\r\n applyUpdates(arg1, arg2) {\r\n if (angular.isFunction(arg1)) {\r\n this.applyUpdatesFunc(arg1);\r\n } else {\r\n this.applyUpdatesIndex(arg1, arg2);\r\n }\r\n this.adjustBuffer();\r\n }\r\n\r\n applyUpdatesFunc(cb) {\r\n this.buffer.slice(0).forEach((wrapper) => {\r\n // we need to do it on the buffer clone, because buffer content\r\n // may change as we iterate through\r\n this.applyUpdate(wrapper, cb(wrapper.item, wrapper.scope, wrapper.element));\r\n });\r\n }\r\n\r\n applyUpdatesIndex(index, newItems) {\r\n if (index % 1 !== 0) { // checking if it is an integer\r\n throw new Error('applyUpdates - ' + index + ' is not a valid index');\r\n }\r\n index -= this.buffer.first;\r\n if ((index >= 0 && index < this.buffer.length)) {\r\n this.applyUpdate(this.buffer[index], newItems);\r\n }\r\n }\r\n\r\n applyUpdate(wrapper, newItems) {\r\n if (!angular.isArray(newItems)) {\r\n return;\r\n }\r\n let position = (this.buffer.indexOf(wrapper));\r\n if (!newItems.reverse().some((newItem) => newItem === wrapper.item)) {\r\n wrapper.op = 'remove';\r\n if(position === 0 && !newItems.length) {\r\n wrapper._op = 'isTop'; // to catch \"first\" edge case on remove\r\n }\r\n }\r\n newItems.forEach((newItem) => {\r\n if (newItem === wrapper.item) {\r\n position--;\r\n } else {\r\n // 3 parameter (isTop) is to catch \"first\" edge case on insert\r\n this.buffer.insert(position + 1, newItem, position === -1);\r\n }\r\n });\r\n }\r\n\r\n calculateProperties() {\r\n let rowTop = null, topHeight = 0;\r\n let topDone = false, bottomDone = false;\r\n const length = this.buffer.length;\r\n\r\n for (let i = 0; i < length; i++) {\r\n const item = this.buffer[i];\r\n const itemTop = item.element.offset().top;\r\n\r\n if (rowTop !== itemTop) { // a new row condition\r\n const itemHeight = item.element.outerHeight(true);\r\n const top = this.viewport.topDataPos() + topHeight + itemHeight;\r\n\r\n if (!topDone && top > this.viewport.topVisiblePos()) {\r\n topDone = true;\r\n this['topVisible'] = item.item;\r\n this['topVisibleElement'] = item.element;\r\n this['topVisibleScope'] = item.scope;\r\n }\r\n if (!bottomDone && (top >= this.viewport.bottomVisiblePos() || (i === length - 1 && this.isEOF()))) {\r\n bottomDone = true;\r\n this['bottomVisible'] = item.item;\r\n this['bottomVisibleElement'] = item.element;\r\n this['bottomVisibleScope'] = item.scope;\r\n }\r\n topHeight += itemHeight;\r\n }\r\n rowTop = itemTop;\r\n\r\n if (topDone && bottomDone) {\r\n break;\r\n }\r\n }\r\n }\r\n\r\n}\r\n\r\nexport default Adapter;\n\n\n// WEBPACK FOOTER //\n// ./src/modules/adapter.js","export default function ScrollBuffer(elementRoutines, bufferSize) {\r\n const buffer = Object.create(Array.prototype);\r\n\r\n angular.extend(buffer, {\r\n size: bufferSize,\r\n\r\n reset(startIndex) {\r\n buffer.remove(0, buffer.length);\r\n buffer.eof = false;\r\n buffer.bof = false;\r\n buffer.first = startIndex;\r\n buffer.next = startIndex;\r\n buffer.minIndex = startIndex;\r\n buffer.maxIndex = startIndex;\r\n buffer.minIndexUser = null;\r\n buffer.maxIndexUser = null;\r\n },\r\n\r\n append(items) {\r\n items.forEach((item) => {\r\n ++buffer.next;\r\n buffer.insert('append', item);\r\n });\r\n buffer.maxIndex = buffer.eof ? buffer.next - 1 : Math.max(buffer.next - 1, buffer.maxIndex);\r\n },\r\n\r\n prepend(items) {\r\n items.reverse().forEach((item) => {\r\n --buffer.first;\r\n buffer.insert('prepend', item);\r\n });\r\n buffer.minIndex = buffer.bof ? buffer.minIndex = buffer.first : Math.min(buffer.first, buffer.minIndex);\r\n },\r\n\r\n /**\r\n * inserts wrapped element in the buffer\r\n * the first argument is either operation keyword (see below) or a number for operation 'insert'\r\n * for insert the number is the index for the buffer element the new one have to be inserted after\r\n * operations: 'append', 'prepend', 'insert', 'remove', 'update', 'none'\r\n */\r\n insert(operation, item, isTop) {\r\n const wrapper = {\r\n item: item\r\n };\r\n\r\n if (operation % 1 === 0) {// it is an insert\r\n wrapper.op = 'insert';\r\n buffer.splice(operation, 0, wrapper);\r\n if(isTop) {\r\n buffer.first--;\r\n }\r\n else {\r\n buffer.next++;\r\n }\r\n } else {\r\n wrapper.op = operation;\r\n switch (operation) {\r\n case 'append':\r\n buffer.push(wrapper);\r\n break;\r\n case 'prepend':\r\n buffer.unshift(wrapper);\r\n break;\r\n }\r\n }\r\n },\r\n\r\n // removes elements from buffer\r\n remove(arg1, arg2) {\r\n if (angular.isNumber(arg1)) {\r\n // removes items from arg1 (including) through arg2 (excluding)\r\n for (let i = arg1; i < arg2; i++) {\r\n elementRoutines.removeElement(buffer[i]);\r\n }\r\n\r\n return buffer.splice(arg1, arg2 - arg1);\r\n }\r\n // removes single item(wrapper) from the buffer\r\n buffer.splice(buffer.indexOf(arg1), 1);\r\n if(arg1._op === 'isTop') {\r\n buffer.first++;\r\n }\r\n else {\r\n buffer.next--;\r\n }\r\n if(!buffer.length) {\r\n buffer.first = 1;\r\n buffer.next = 1;\r\n }\r\n\r\n return elementRoutines.removeElementAnimated(arg1);\r\n },\r\n\r\n effectiveHeight(elements) {\r\n if (!elements.length) {\r\n return 0;\r\n }\r\n let top = Number.MAX_VALUE;\r\n let bottom = Number.NEGATIVE_INFINITY;\r\n elements.forEach((wrapper) => {\r\n if (wrapper.element[0].offsetParent) {\r\n // element style is not display:none\r\n top = Math.min(top, wrapper.element.offset().top);\r\n bottom = Math.max(bottom, wrapper.element.offset().top + wrapper.element.outerHeight(true));\r\n }\r\n });\r\n return Math.max(0, bottom - top);\r\n }\r\n\r\n });\r\n\r\n return buffer;\r\n}\n\n\n// WEBPACK FOOTER //\n// ./src/modules/buffer.js","const hideClassToken = 'ng-ui-scroll-hide';\r\n\r\nfunction addCSSRule(sheet, selector, rules, index) {\r\n if('insertRule' in sheet) {\r\n sheet.insertRule(selector + '{' + rules + '}', index);\r\n }\r\n else if('addRule' in sheet) {\r\n sheet.addRule(selector, rules, index);\r\n }\r\n}\r\n\r\nexport default class ElementRoutines {\r\n\r\n constructor($injector, $q) {\r\n this.$animate = ($injector.has && $injector.has('$animate')) ? $injector.get('$animate') : null;\r\n this.isAngularVersionLessThen1_3 = angular.version.major === 1 && angular.version.minor < 3;\r\n this.$q = $q;\r\n addCSSRule(document.styleSheets[0], '.' + hideClassToken, 'display: none');\r\n }\r\n\r\n hideElement(wrapper) {\r\n wrapper.element.addClass(hideClassToken);\r\n }\r\n\r\n showElement(wrapper) {\r\n wrapper.element.removeClass(hideClassToken);\r\n }\r\n\r\n insertElement(newElement, previousElement) {\r\n previousElement.after(newElement);\r\n return [];\r\n }\r\n\r\n removeElement(wrapper) {\r\n wrapper.element.remove();\r\n wrapper.scope.$destroy();\r\n return [];\r\n }\r\n\r\n insertElementAnimated(newElement, previousElement) {\r\n if (!this.$animate) {\r\n return this.insertElement(newElement, previousElement);\r\n }\r\n\r\n if (this.isAngularVersionLessThen1_3) {\r\n const deferred = this.$q.defer();\r\n // no need for parent - previous element is never null\r\n this.$animate.enter(newElement, null, previousElement, () => deferred.resolve());\r\n\r\n return [deferred.promise];\r\n }\r\n\r\n // no need for parent - previous element is never null\r\n return [this.$animate.enter(newElement, null, previousElement)];\r\n }\r\n\r\n removeElementAnimated(wrapper) {\r\n if (!this.$animate) {\r\n return this.removeElement(wrapper);\r\n }\r\n\r\n if (this.isAngularVersionLessThen1_3) {\r\n const deferred = this.$q.defer();\r\n this.$animate.leave(wrapper.element, () => {\r\n wrapper.scope.$destroy();\r\n return deferred.resolve();\r\n });\r\n\r\n return [deferred.promise];\r\n }\r\n\r\n return [(this.$animate.leave(wrapper.element)).then(() => wrapper.scope.$destroy())];\r\n }\r\n}\n\n\n// WEBPACK FOOTER //\n// ./src/modules/elementRoutines.js","/*!\r\n globals: angular, window\r\n List of used element methods available in JQuery but not in JQuery Lite\r\n element.before(elem)\r\n element.height()\r\n element.outerHeight(true)\r\n element.height(value) = only for Top/Bottom padding elements\r\n element.scrollTop()\r\n element.scrollTop(value)\r\n */\r\n\r\nexport default class JQLiteExtras {\r\n\r\n registerFor(element) {\r\n let convertToPx, css, getStyle, isWindow;\r\n // angular implementation blows up if elem is the window\r\n css = angular.element.prototype.css;\r\n\r\n element.prototype.css = function (name, value) {\r\n let self = this;\r\n let elem = self[0];\r\n if (!(!elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style)) {\r\n return css.call(self, name, value);\r\n }\r\n };\r\n\r\n // as defined in angularjs v1.0.5\r\n isWindow = (obj) => obj && obj.document && obj.location && obj.alert && obj.setInterval;\r\n\r\n function scrollTo(self, direction, value) {\r\n let elem = self[0];\r\n let [method, prop, preserve] = {\r\n top: [\r\n 'scrollTop',\r\n 'pageYOffset',\r\n 'scrollLeft'\r\n ],\r\n left: [\r\n 'scrollLeft',\r\n 'pageXOffset',\r\n 'scrollTop'\r\n ]\r\n }[direction];\r\n\r\n if (isWindow(elem)) {\r\n if (angular.isDefined(value)) {\r\n return elem.scrollTo(self[preserve].call(self), value);\r\n }\r\n return (prop in elem) ? elem[prop] : elem.document.documentElement[method];\r\n } else {\r\n if (angular.isDefined(value)) {\r\n elem[method] = value;\r\n }\r\n return elem[method];\r\n }\r\n }\r\n\r\n if (window.getComputedStyle) {\r\n getStyle = (elem) => window.getComputedStyle(elem, null);\r\n convertToPx = (elem, value) => parseFloat(value);\r\n } else {\r\n getStyle = (elem) => elem.currentStyle;\r\n convertToPx = (elem, value) => {\r\n let left, result, rs, rsLeft, style;\r\n let core_pnum = /[+-]?(?:\\d*\\.|)\\d+(?:[eE][+-]?\\d+|)/.source;\r\n let rnumnonpx = new RegExp('^(' + core_pnum + ')(?!px)[a-z%]+$', 'i');\r\n\r\n if (!rnumnonpx.test(value)) {\r\n return parseFloat(value);\r\n }\r\n\r\n // ported from JQuery\r\n style = elem.style;\r\n left = style.left;\r\n rs = elem.runtimeStyle;\r\n rsLeft = rs && rs.left;\r\n if (rs) {\r\n rs.left = style.left;\r\n }\r\n // put in the new values to get a computed style out\r\n style.left = value;\r\n result = style.pixelLeft;\r\n style.left = left;\r\n if (rsLeft) {\r\n rs.left = rsLeft;\r\n }\r\n return result;\r\n };\r\n }\r\n\r\n function getMeasurements(elem, measure) {\r\n let base, borderA, borderB, computedMarginA, computedMarginB, computedStyle, dirA, dirB, marginA, marginB, paddingA, paddingB;\r\n\r\n if (isWindow(elem)) {\r\n base = document.documentElement[{height: 'clientHeight', width: 'clientWidth'}[measure]];\r\n\r\n return {\r\n base: base,\r\n padding: 0,\r\n border: 0,\r\n margin: 0\r\n };\r\n }\r\n\r\n // Start with offset property\r\n [\r\n base,\r\n dirA,\r\n dirB\r\n ] = {\r\n width: [\r\n elem.offsetWidth,\r\n 'Left',\r\n 'Right'\r\n ],\r\n height: [\r\n elem.offsetHeight,\r\n 'Top',\r\n 'Bottom'\r\n ]\r\n }[measure];\r\n\r\n computedStyle = getStyle(elem);\r\n paddingA = convertToPx(elem, computedStyle['padding' + dirA]) || 0;\r\n paddingB = convertToPx(elem, computedStyle['padding' + dirB]) || 0;\r\n borderA = convertToPx(elem, computedStyle['border' + dirA + 'Width']) || 0;\r\n borderB = convertToPx(elem, computedStyle['border' + dirB + 'Width']) || 0;\r\n computedMarginA = computedStyle['margin' + dirA];\r\n computedMarginB = computedStyle['margin' + dirB];\r\n\r\n // I do not care for width for now, so this hack is irrelevant\r\n // if ( !supportsPercentMargin )\r\n // computedMarginA = hackPercentMargin( elem, computedStyle, computedMarginA )\r\n // computedMarginB = hackPercentMargin( elem, computedStyle, computedMarginB )\r\n marginA = convertToPx(elem, computedMarginA) || 0;\r\n marginB = convertToPx(elem, computedMarginB) || 0;\r\n\r\n return {\r\n base: base,\r\n padding: paddingA + paddingB,\r\n border: borderA + borderB,\r\n margin: marginA + marginB\r\n };\r\n }\r\n\r\n function getWidthHeight(elem, direction, measure) {\r\n let computedStyle, result;\r\n\r\n let measurements = getMeasurements(elem, direction);\r\n\r\n if (measurements.base > 0) {\r\n return {\r\n base: measurements.base - measurements.padding - measurements.border,\r\n outer: measurements.base,\r\n outerfull: measurements.base + measurements.margin\r\n }[measure];\r\n }\r\n\r\n // Fall back to computed then uncomputed css if necessary\r\n computedStyle = getStyle(elem);\r\n result = computedStyle[direction];\r\n\r\n if (result < 0 || result === null) {\r\n result = elem.style[direction] || 0;\r\n }\r\n\r\n // Normalize \"\", auto, and prepare for extra\r\n result = parseFloat(result) || 0;\r\n\r\n return {\r\n base: result - measurements.padding - measurements.border,\r\n outer: result,\r\n outerfull: result + measurements.padding + measurements.border + measurements.margin\r\n }[measure];\r\n }\r\n\r\n // define missing methods\r\n return angular.forEach({\r\n before(newElem) {\r\n var children, elem, i, j, parent, ref, self;\r\n self = this;\r\n elem = self[0];\r\n parent = self.parent();\r\n children = parent.contents();\r\n if (children[0] === elem) {\r\n return parent.prepend(newElem);\r\n } else {\r\n for (i = j = 1, ref = children.length - 1; 1 <= ref ? j <= ref : j >= ref; i = 1 <= ref ? ++j : --j) {\r\n if (children[i] === elem) {\r\n angular.element(children[i - 1]).after(newElem);\r\n return;\r\n }\r\n }\r\n throw new Error('invalid DOM structure ' + elem.outerHTML);\r\n }\r\n },\r\n height (value){\r\n var self;\r\n self = this;\r\n if (angular.isDefined(value)) {\r\n if (angular.isNumber(value)) {\r\n value = value + 'px';\r\n }\r\n return css.call(self, 'height', value);\r\n } else {\r\n return getWidthHeight(this[0], 'height', 'base');\r\n }\r\n },\r\n outerHeight(option) {\r\n return getWidthHeight(this[0], 'height', option ? 'outerfull' : 'outer');\r\n },\r\n outerWidth(option) {\r\n return getWidthHeight(this[0], 'width', option ? 'outerfull' : 'outer');\r\n },\r\n\r\n /*\r\n The offset setter method is not implemented\r\n */\r\n offset(value) {\r\n let docElem, win;\r\n let self = this;\r\n let box = {\r\n top: 0,\r\n left: 0\r\n };\r\n let elem = self[0];\r\n let doc = elem && elem.ownerDocument;\r\n\r\n if (arguments.length) {\r\n if (value === undefined) {\r\n return self;\r\n }\r\n // TODO: implement setter\r\n throw new Error('offset setter method is not implemented');\r\n }\r\n\r\n if (!doc) {\r\n return;\r\n }\r\n\r\n docElem = doc.documentElement;\r\n\r\n // TODO: Make sure it's not a disconnected DOM node\r\n\r\n if (elem.getBoundingClientRect != null) {\r\n box = elem.getBoundingClientRect();\r\n }\r\n\r\n win = doc.defaultView || doc.parentWindow;\r\n\r\n return {\r\n top: box.top + (win.pageYOffset || docElem.scrollTop) - (docElem.clientTop || 0),\r\n left: box.left + (win.pageXOffset || docElem.scrollLeft) - (docElem.clientLeft || 0)\r\n };\r\n },\r\n scrollTop(value) {\r\n return scrollTo(this, 'top', value);\r\n },\r\n scrollLeft(value) {\r\n return scrollTo(this, 'left', value);\r\n }\r\n }, (value, key) => {\r\n if (!element.prototype[key]) {\r\n return element.prototype[key] = value;\r\n }\r\n });\r\n }\r\n\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/modules/jqLiteExtras.js","import Padding from './padding';\r\n\r\nexport default function Viewport(elementRoutines, buffer, element, viewportController, $rootScope, padding) {\r\n let topPadding = null;\r\n let bottomPadding = null;\r\n const viewport = viewportController && viewportController.viewport ? viewportController.viewport : angular.element(window);\r\n const container = viewportController && viewportController.container ? viewportController.container : undefined;\r\n const scope = viewportController && viewportController.scope ? viewportController.scope : $rootScope;\r\n\r\n viewport.css({\r\n 'overflow-anchor': 'none',\r\n 'overflow-y': 'auto',\r\n 'display': 'block'\r\n });\r\n\r\n function bufferPadding() {\r\n return viewport.outerHeight() * padding; // some extra space to initiate preload\r\n }\r\n\r\n angular.extend(viewport, {\r\n getScope() {\r\n return scope;\r\n },\r\n\r\n createPaddingElements(template) {\r\n topPadding = new Padding(template);\r\n bottomPadding = new Padding(template);\r\n element.before(topPadding);\r\n element.after(bottomPadding);\r\n },\r\n\r\n applyContainerStyle() {\r\n if (container && container !== viewport) {\r\n viewport.css('height', window.getComputedStyle(container[0]).height);\r\n }\r\n },\r\n\r\n bottomDataPos() {\r\n let scrollHeight = viewport[0].scrollHeight;\r\n scrollHeight = scrollHeight != null ? scrollHeight : viewport[0].document.documentElement.scrollHeight;\r\n return scrollHeight - bottomPadding.height();\r\n },\r\n\r\n topDataPos() {\r\n return topPadding.height();\r\n },\r\n\r\n bottomVisiblePos() {\r\n return viewport.scrollTop() + viewport.outerHeight();\r\n },\r\n\r\n topVisiblePos() {\r\n return viewport.scrollTop();\r\n },\r\n\r\n insertElement(e, sibling) {\r\n return elementRoutines.insertElement(e, sibling || topPadding);\r\n },\r\n\r\n insertElementAnimated(e, sibling) {\r\n return elementRoutines.insertElementAnimated(e, sibling || topPadding);\r\n },\r\n\r\n shouldLoadBottom() {\r\n return !buffer.eof && viewport.bottomDataPos() < viewport.bottomVisiblePos() + bufferPadding();\r\n },\r\n\r\n clipBottom() {\r\n // clip the invisible items off the bottom\r\n let overage = 0;\r\n let overageHeight = 0;\r\n let itemHeight = 0;\r\n let emptySpaceHeight = viewport.bottomDataPos() - viewport.bottomVisiblePos() - bufferPadding();\r\n\r\n for (let i = buffer.length - 1; i >= 0; i--) {\r\n itemHeight = buffer[i].element.outerHeight(true);\r\n if (overageHeight + itemHeight > emptySpaceHeight) {\r\n break;\r\n }\r\n bottomPadding.cache.add(buffer[i]);\r\n overageHeight += itemHeight;\r\n overage++;\r\n }\r\n\r\n if (overage > 0) {\r\n buffer.eof = false;\r\n buffer.remove(buffer.length - overage, buffer.length);\r\n buffer.next -= overage;\r\n viewport.adjustPaddings();\r\n }\r\n },\r\n\r\n shouldLoadTop() {\r\n return !buffer.bof && (viewport.topDataPos() > viewport.topVisiblePos() - bufferPadding());\r\n },\r\n\r\n clipTop() {\r\n // clip the invisible items off the top\r\n let overage = 0;\r\n let overageHeight = 0;\r\n let itemHeight = 0;\r\n let emptySpaceHeight = viewport.topVisiblePos() - viewport.topDataPos() - bufferPadding();\r\n\r\n for (let i = 0; i < buffer.length; i++) {\r\n itemHeight = buffer[i].element.outerHeight(true);\r\n if (overageHeight + itemHeight > emptySpaceHeight) {\r\n break;\r\n }\r\n topPadding.cache.add(buffer[i]);\r\n overageHeight += itemHeight;\r\n overage++;\r\n }\r\n\r\n if (overage > 0) {\r\n // we need to adjust top padding element before items are removed from top\r\n // to avoid strange behaviour of scroll bar during remove top items when we are at the very bottom\r\n topPadding.height(topPadding.height() + overageHeight);\r\n buffer.bof = false;\r\n buffer.remove(0, overage);\r\n buffer.first += overage;\r\n }\r\n },\r\n\r\n adjustPaddings() {\r\n if (!buffer.length) {\r\n return;\r\n }\r\n\r\n // precise heights calculation, items that were in buffer once\r\n let topPaddingHeight = topPadding.cache.reduce((summ, item) => summ + (item.index < buffer.first ? item.height : 0), 0);\r\n let bottomPaddingHeight = bottomPadding.cache.reduce((summ, item) => summ + (item.index >= buffer.next ? item.height : 0), 0);\r\n\r\n // average item height based on buffer data\r\n let visibleItemsHeight = buffer.reduce((summ, item) => summ + item.element.outerHeight(true), 0);\r\n let averageItemHeight = (visibleItemsHeight + topPaddingHeight + bottomPaddingHeight) / (buffer.maxIndex - buffer.minIndex + 1);\r\n\r\n // average heights calculation, items that have never been reached\r\n let adjustTopPadding = buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser;\r\n let adjustBottomPadding = buffer.maxIndexUser !== null && buffer.maxIndex < buffer.maxIndexUser;\r\n let topPaddingHeightAdd = adjustTopPadding ? (buffer.minIndex - buffer.minIndexUser) * averageItemHeight : 0;\r\n let bottomPaddingHeightAdd = adjustBottomPadding ? (buffer.maxIndexUser - buffer.maxIndex) * averageItemHeight : 0;\r\n\r\n // paddings combine adjustment\r\n topPadding.height(topPaddingHeight + topPaddingHeightAdd);\r\n bottomPadding.height(bottomPaddingHeight + bottomPaddingHeightAdd);\r\n },\r\n\r\n onAfterMinIndexSet(topPaddingHeightOld) {\r\n // additional scrollTop adjustment in case of datasource.minIndex external set\r\n if (buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser) {\r\n let diff = topPadding.height() - topPaddingHeightOld;\r\n viewport.scrollTop(viewport.scrollTop() + diff);\r\n diff -= viewport.scrollTop();\r\n if(diff > 0) {\r\n bottomPadding.height(bottomPadding.height() + diff);\r\n viewport.scrollTop(viewport.scrollTop() + diff);\r\n }\r\n }\r\n },\r\n\r\n onAfterPrepend(updates) {\r\n if (!updates.prepended.length)\r\n return;\r\n const height = buffer.effectiveHeight(updates.prepended);\r\n const paddingHeight = topPadding.height() - height;\r\n if (paddingHeight >= 0) {\r\n topPadding.height(paddingHeight);\r\n }\r\n else {\r\n topPadding.height(0);\r\n viewport.scrollTop(viewport.scrollTop() - paddingHeight);\r\n }\r\n },\r\n\r\n resetTopPadding() {\r\n topPadding.height(0);\r\n topPadding.cache.clear();\r\n },\r\n\r\n resetBottomPadding() {\r\n bottomPadding.height(0);\r\n bottomPadding.cache.clear();\r\n },\r\n\r\n removeItem(item) {\r\n topPadding.cache.remove(item);\r\n bottomPadding.cache.remove(item);\r\n return buffer.remove(item);\r\n }\r\n });\r\n\r\n return viewport;\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/modules/viewport.js","// Can't just extend the Array, due to Babel does not support built-in classes extending\r\n// This solution was taken from https://stackoverflow.com/questions/46897414/es6-class-extends-array-workaround-for-es5-babel-transpile\r\nclass CacheProto {\r\n add(item) {\r\n for (let i = this.length - 1; i >= 0; i--) {\r\n if (this[i].index === item.scope.$index) {\r\n this[i].height = item.element.outerHeight();\r\n return;\r\n }\r\n }\r\n this.push({\r\n index: item.scope.$index,\r\n height: item.element.outerHeight()\r\n });\r\n this.sort((a, b) => ((a.index < b.index) ? -1 : ((a.index > b.index) ? 1 : 0)));\r\n }\r\n\r\n remove(itemToRemove) {\r\n for (let i = this.length - 1; i >= 0; i--) {\r\n if (this[i].index === itemToRemove.scope.$index) {\r\n this.splice(i, 1);\r\n break;\r\n }\r\n }\r\n if(itemToRemove._op !== 'isTop') {\r\n for (let i = this.length - 1; i >= 0; i--) {\r\n if (this[i].index > itemToRemove.scope.$index) {\r\n this[i].index--;\r\n }\r\n }\r\n }\r\n }\r\n\r\n clear() {\r\n this.length = 0;\r\n }\r\n}\r\n\r\nfunction Cache() {\r\n const instance = [];\r\n instance.push.apply(instance, arguments);\r\n Object.setPrototypeOf(instance, Cache.prototype);\r\n return instance;\r\n}\r\nCache.prototype = Object.create(Array.prototype);\r\nObject.getOwnPropertyNames(CacheProto.prototype).forEach(methodName =>\r\n Cache.prototype[methodName] = CacheProto.prototype[methodName]\r\n);\r\n\r\nexport default function Padding(template) {\r\n let result;\r\n\r\n if(template.nodeType !== Node.ELEMENT_NODE) {\r\n throw new Error('ui-scroll directive requires an Element node for templating the view');\r\n }\r\n\r\n switch (template.tagName.toLowerCase()) {\r\n case 'dl':\r\n throw new Error(`ui-scroll directive does not support <${template.tagName}> as a repeating tag: ${template.outerHTML}`);\r\n case 'tr':\r\n let table = angular.element('
    ');\r\n result = table.find('tr');\r\n break;\r\n case 'li':\r\n result = angular.element('
  • ');\r\n break;\r\n default:\r\n result = angular.element('
    ');\r\n }\r\n\r\n result.cache = new Cache();\r\n\r\n return result;\r\n}\n\n\n// WEBPACK FOOTER //\n// ./src/modules/padding.js","import JQLiteExtras from './modules/jqLiteExtras';\nimport ElementRoutines from './modules/elementRoutines.js';\nimport ScrollBuffer from './modules/buffer.js';\nimport Viewport from './modules/viewport.js';\nimport Adapter from './modules/adapter.js';\n\nangular.module('ui.scroll', [])\n\n .service('jqLiteExtras', () => new JQLiteExtras())\n .run(['jqLiteExtras', (jqLiteExtras) =>\n !window.jQuery ? jqLiteExtras.registerFor(angular.element) : null\n ])\n\n .directive('uiScrollViewport', function () {\n return {\n restrict: 'A',\n controller: [\n '$scope',\n '$element',\n function (scope, element) {\n this.container = element;\n this.viewport = element;\n this.scope = scope;\n\n angular.forEach(element.children(), (child => {\n if (child.tagName.toLowerCase() === 'tbody') {\n this.viewport = angular.element(child);\n }\n }));\n\n return this;\n }\n ]\n };\n })\n\n .directive('uiScroll', [\n '$log',\n '$injector',\n '$rootScope',\n '$timeout',\n '$q',\n '$parse',\n function (console, $injector, $rootScope, $timeout, $q, $parse) {\n\n return {\n require: ['?^uiScrollViewport'],\n restrict: 'A',\n transclude: 'element',\n priority: 1000,\n terminal: true,\n link: link\n };\n\n function link($scope, element, $attr, controllers, linker) {\n const match = $attr.uiScroll.match(/^\\s*(\\w+)\\s+in\\s+([(\\w|\\$)\\.]+)\\s*$/);\n if (!match) {\n throw new Error('Expected uiScroll in form of \\'_item_ in _datasource_\\' but got \\'' + $attr.uiScroll + '\\'');\n }\n\n function parseNumericAttr(value, defaultValue) {\n let result = $parse(value)($scope);\n return isNaN(result) ? defaultValue : result;\n }\n\n const BUFFER_MIN = 3;\n const BUFFER_DEFAULT = 10;\n const PADDING_MIN = 0.3;\n const PADDING_DEFAULT = 0.5;\n\n let datasource = null;\n const itemName = match[1];\n const datasourceName = match[2];\n const viewportController = controllers[0];\n const bufferSize = Math.max(BUFFER_MIN, parseNumericAttr($attr.bufferSize, BUFFER_DEFAULT));\n const padding = Math.max(PADDING_MIN, parseNumericAttr($attr.padding, PADDING_DEFAULT));\n let startIndex = parseNumericAttr($attr.startIndex, 1);\n let ridActual = 0;// current data revision id\n let pending = [];\n\n let elementRoutines = new ElementRoutines($injector, $q);\n let buffer = new ScrollBuffer(elementRoutines, bufferSize);\n let viewport = new Viewport(elementRoutines, buffer, element, viewportController, $rootScope, padding);\n let adapter = new Adapter(viewport, buffer, adjustBuffer, reload, $attr, $parse, element, $scope);\n\n if (viewportController) {\n viewportController.adapter = adapter;\n }\n\n let isDatasourceValid = () => angular.isObject(datasource) && angular.isFunction(datasource.get);\n datasource = $parse(datasourceName)($scope); // try to get datasource on scope\n if (!isDatasourceValid()) {\n datasource = $injector.get(datasourceName); // try to inject datasource as service\n if (!isDatasourceValid()) {\n throw new Error(datasourceName + ' is not a valid datasource');\n }\n }\n\n let onRenderHandlers = [];\n function onRenderHandlersRunner() {\n if(onRenderHandlers.length) {\n angular.forEach(onRenderHandlers, (handler) => handler());\n onRenderHandlers = [];\n }\n }\n function preDefineIndexProperty(datasource, propName) {\n let getter;\n // need to postpone min/maxIndexUser processing if the view is empty\n if(datasource.hasOwnProperty(propName) && !buffer.length) {\n getter = datasource[propName];\n delete datasource[propName];\n onRenderHandlers.push(() => datasource[propName] = getter);\n }\n }\n\n function defineIndexProperty(datasource, propName, propUserName) {\n let descriptor = Object.getOwnPropertyDescriptor(datasource, propName);\n if (descriptor && (descriptor.set || descriptor.get)) {\n return;\n }\n let getter;\n preDefineIndexProperty(datasource, propName);\n Object.defineProperty(datasource, propName, {\n set: (value) => {\n getter = value;\n buffer[propUserName] = value;\n let topPaddingHeightOld = viewport.topDataPos();\n viewport.adjustPaddings();\n if (propName === 'minIndex') {\n viewport.onAfterMinIndexSet(topPaddingHeightOld);\n }\n },\n get: () => getter\n });\n }\n\n defineIndexProperty(datasource, 'minIndex', 'minIndexUser');\n defineIndexProperty(datasource, 'maxIndex', 'maxIndexUser');\n\n const fetchNext = (datasource.get.length !== 2) ?\n (success) => datasource.get(buffer.next, bufferSize, success) :\n (success) => {\n datasource.get({\n index: buffer.next,\n append: buffer.length ? buffer[buffer.length - 1].item : void 0,\n count: bufferSize\n }, success);\n };\n\n const fetchPrevious = (datasource.get.length !== 2) ?\n (success) => datasource.get(buffer.first - bufferSize, bufferSize, success) :\n (success) => {\n datasource.get({\n index: buffer.first - bufferSize,\n prepend: buffer.length ? buffer[0].item : void 0,\n count: bufferSize\n }, success);\n };\n\n /**\n * Build padding elements\n *\n * Calling linker is the only way I found to get access to the tag name of the template\n * to prevent the directive scope from pollution a new scope is created and destroyed\n * right after the builder creation is completed\n */\n linker((clone, scope) => {\n viewport.createPaddingElements(clone[0]);\n // we do not include the clone in the DOM. It means that the nested directives will not\n // be able to reach the parent directives, but in this case it is intentional because we\n // created the clone to access the template tag name\n scope.$destroy();\n clone.remove();\n });\n\n $scope.$on('$destroy', () => {\n unbindEvents();\n viewport.unbind('mousewheel', wheelHandler);\n });\n\n viewport.bind('mousewheel', wheelHandler);\n\n $timeout(() => {\n viewport.applyContainerStyle();\n reload();\n });\n\n /* Private function definitions */\n\n function isInvalid(rid) {\n return (rid && rid !== ridActual) || $scope.$$destroyed;\n }\n\n function bindEvents() {\n viewport.bind('resize', resizeAndScrollHandler);\n viewport.bind('scroll', resizeAndScrollHandler);\n }\n\n function unbindEvents() {\n viewport.unbind('resize', resizeAndScrollHandler);\n viewport.unbind('scroll', resizeAndScrollHandler);\n }\n\n function reload() {\n viewport.resetTopPadding();\n viewport.resetBottomPadding();\n if (arguments.length) {\n startIndex = arguments[0];\n }\n buffer.reset(startIndex);\n adjustBuffer();\n }\n\n function isElementVisible(wrapper) {\n return wrapper.element.height() && wrapper.element[0].offsetParent;\n }\n\n function visibilityWatcher(wrapper) {\n if (isElementVisible(wrapper)) {\n buffer.forEach((item) => {\n if (angular.isFunction(item.unregisterVisibilityWatcher)) {\n item.unregisterVisibilityWatcher();\n delete item.unregisterVisibilityWatcher;\n }\n });\n if (!pending.length) {\n $timeout(() => adjustBuffer());\n }\n }\n }\n\n function insertWrapperContent(wrapper, insertAfter) {\n createElement(wrapper, insertAfter, viewport.insertElement);\n if (!isElementVisible(wrapper)) {\n wrapper.unregisterVisibilityWatcher = wrapper.scope.$watch(() => visibilityWatcher(wrapper));\n }\n elementRoutines.hideElement(wrapper); // hide inserted elements before data binding\n }\n\n function createElement(wrapper, insertAfter, insertElement) {\n let promises = null;\n let sibling = (insertAfter > 0) ? buffer[insertAfter - 1].element : undefined;\n linker((clone, scope) => {\n promises = insertElement(clone, sibling);\n wrapper.element = clone;\n wrapper.scope = scope;\n scope[itemName] = wrapper.item;\n });\n // ui-scroll-grid apply\n if (adapter.transform) {\n let tdInitializer = wrapper.scope.uiScrollTdInitializer;\n if (tdInitializer && tdInitializer.linking) {\n adapter.transform(wrapper.scope, wrapper.element);\n } else {\n wrapper.scope.uiScrollTdInitializer = {\n onLink: () => adapter.transform(wrapper.scope, wrapper.element),\n scope: wrapper.scope\n };\n }\n }\n return promises;\n }\n\n function updateDOM() {\n let promises = [];\n const toBePrepended = [];\n const toBeRemoved = [];\n const inserted = [];\n\n buffer.forEach((wrapper, i) => {\n switch (wrapper.op) {\n case 'prepend':\n toBePrepended.unshift(wrapper);\n break;\n case 'append':\n insertWrapperContent(wrapper, i);\n wrapper.op = 'none';\n inserted.push(wrapper);\n break;\n case 'insert':\n promises = promises.concat(createElement(wrapper, i, viewport.insertElementAnimated));\n wrapper.op = 'none';\n inserted.push(wrapper);\n break;\n case 'remove':\n toBeRemoved.push(wrapper);\n }\n });\n\n toBeRemoved.forEach((wrapper) => promises = promises.concat(viewport.removeItem(wrapper)));\n\n if (toBePrepended.length)\n toBePrepended.forEach((wrapper) => {\n insertWrapperContent(wrapper);\n wrapper.op = 'none';\n });\n\n buffer.forEach((item, i) => item.scope.$index = buffer.first + i);\n\n return {\n prepended: toBePrepended,\n removed: toBeRemoved,\n inserted: inserted,\n animated: promises\n };\n\n }\n\n function updatePaddings(rid, updates) {\n // schedule another adjustBuffer after animation completion\n if (updates.animated.length) {\n $q.all(updates.animated).then(() => {\n viewport.adjustPaddings();\n adjustBuffer(rid);\n });\n } else {\n viewport.adjustPaddings();\n }\n }\n\n function enqueueFetch(rid, updates) {\n if (viewport.shouldLoadBottom()) {\n if (!updates || buffer.effectiveHeight(updates.inserted) > 0) {\n // this means that at least one item appended in the last batch has height > 0\n if (pending.push(true) === 1) {\n adapter.loading(true);\n fetch(rid);\n }\n }\n } else if (viewport.shouldLoadTop()) {\n if ((!updates || buffer.effectiveHeight(updates.prepended) > 0) || pending[0]) {\n // this means that at least one item appended in the last batch has height > 0\n // pending[0] = true means that previous fetch was appending. We need to force at least one prepend\n // BTW there will always be at least 1 element in the pending array because bottom is fetched first\n if (pending.push(false) === 1) {\n adapter.loading(true);\n fetch(rid);\n }\n }\n }\n }\n\n function processUpdates() {\n const updates = updateDOM();\n\n // We need the item bindings to be processed before we can do adjustments\n !$scope.$$phase && !$rootScope.$$phase && $scope.$digest();\n\n updates.inserted.forEach(w => elementRoutines.showElement(w));\n updates.prepended.forEach(w => elementRoutines.showElement(w));\n return updates;\n }\n\n function adjustBuffer(rid) {\n if (!rid) { // dismiss pending requests\n pending = [];\n rid = ++ridActual;\n }\n\n const updates = processUpdates();\n\n if (isInvalid(rid)) {\n return;\n }\n\n updatePaddings(rid, updates);\n enqueueFetch(rid);\n\n if (!pending.length) {\n adapter.calculateProperties();\n }\n }\n\n function adjustBufferAfterFetch(rid) {\n const updates = processUpdates();\n\n viewport.onAfterPrepend(updates);\n\n if (isInvalid(rid)) {\n return;\n }\n\n updatePaddings(rid, updates);\n onRenderHandlersRunner();\n enqueueFetch(rid, updates);\n pending.shift();\n\n if (pending.length)\n fetch(rid);\n else {\n adapter.loading(false);\n bindEvents();\n adapter.calculateProperties();\n }\n }\n\n function fetch(rid) {\n if (pending[0]) {// scrolling down\n if (buffer.length && !viewport.shouldLoadBottom()) {\n adjustBufferAfterFetch(rid);\n } else {\n fetchNext((result) => {\n if (isInvalid(rid)) {\n return;\n }\n\n if (result.length < bufferSize) {\n buffer.eof = true;\n }\n\n if (result.length > 0) {\n viewport.clipTop();\n buffer.append(result);\n }\n\n adjustBufferAfterFetch(rid);\n });\n }\n } else { // scrolling up\n if (buffer.length && !viewport.shouldLoadTop()) {\n adjustBufferAfterFetch(rid);\n } else {\n fetchPrevious((result) => {\n if (isInvalid(rid)) {\n return;\n }\n\n if (result.length < bufferSize) {\n buffer.bof = true;\n // log 'bof is reached'\n }\n\n if (result.length > 0) {\n if (buffer.length) {\n viewport.clipBottom();\n }\n buffer.prepend(result);\n }\n\n adjustBufferAfterFetch(rid);\n });\n }\n }\n }\n\n function resizeAndScrollHandler() {\n if (!$rootScope.$$phase && !adapter.isLoading && !adapter.disabled) {\n\n enqueueFetch(ridActual);\n\n if (pending.length) {\n unbindEvents();\n } else {\n adapter.calculateProperties();\n !$scope.$$phase && $scope.$digest();\n }\n }\n }\n\n function wheelHandler(event) {\n if (!adapter.disabled) {\n let scrollTop = viewport[0].scrollTop;\n let yMax = viewport[0].scrollHeight - viewport[0].clientHeight;\n\n if ((scrollTop === 0 && !buffer.bof) || (scrollTop === yMax && !buffer.eof)) {\n event.preventDefault();\n }\n }\n }\n }\n\n }\n ]);\n\n\n// WEBPACK FOOTER //\n// ./src/ui-scroll.js"],"sourceRoot":""} \ No newline at end of file diff --git a/dist/ui-scroll.min.js b/dist/ui-scroll.min.js index 5dc745eb..ffbea4c9 100644 --- a/dist/ui-scroll.min.js +++ b/dist/ui-scroll.min.js @@ -1,8 +1,8 @@ /*! * angular-ui-scroll (compressed) * https://github.com/angular-ui/ui-scroll - * Version: 1.7.0-rc.4 -- 2017-10-27T14:30:17.370Z + * Version: 1.7.0-rc.4 -- 2017-10-27T14:37:56.068Z * License: MIT */ -!function(e){function t(r){if(n[r])return n[r].exports;var i=n[r]={i:r,l:!1,exports:{}};return e[r].call(i.exports,i,i.exports,t),i.l=!0,i.exports}var n={};t.m=e,t.c=n,t.i=function(e){return e},t.d=function(e,n,r){t.o(e,n)||Object.defineProperty(e,n,{configurable:!1,enumerable:!0,get:r})},t.n=function(e){var n=e&&e.__esModule?function(){return e.default}:function(){return e};return t.d(n,"a",n),n},t.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},t.p="",t(t.s=7)}([function(e,t,n){"use strict";function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function i(e,t){var n=e.match(/^(.+)(\s+on\s+)(.+)?/);if(n&&4===n.length){window.console.log('Angular ui-scroll adapter assignment warning. "Controller On" syntax has been deprecated since ui-scroll v1.6.1.');for(var r=n[3],i=n[1],o=t;o.length;){var a=o.scope(),u=(o.attr("ng-controller")||"").match(/(\w(?:\w|\d)*)(?:\s+as\s+(\w(?:\w|\d)*))?/);if(u&&u[1]===r)return{target:a,source:i};o=o.parent()}throw new Error('Angular ui-scroll adapter assignment error. 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strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction getCtrlOnData(attr, element) {\n var onSyntax = attr.match(/^(.+)(\\s+on\\s+)(.+)?/);\n if (onSyntax && onSyntax.length === 4) {\n window.console.log('Angular ui-scroll adapter assignment warning. \"Controller On\" syntax has been deprecated since ui-scroll v1.6.1.');\n var ctrl = onSyntax[3];\n var tail = onSyntax[1];\n var candidate = element;\n while (candidate.length) {\n var candidateScope = candidate.scope(); // doesn't work when debugInfoEnabled flag = true\n var candidateName = (candidate.attr('ng-controller') || '').match(/(\\w(?:\\w|\\d)*)(?:\\s+as\\s+(\\w(?:\\w|\\d)*))?/);\n if (candidateName && candidateName[1] === ctrl) {\n return {\n target: candidateScope,\n source: tail\n };\n }\n candidate = candidate.parent();\n }\n throw new Error('Angular ui-scroll adapter assignment error. 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this;\n\n this.buffer.slice(0).forEach(function (wrapper) {\n // we need to do it on the buffer clone, because buffer content\n // may change as we iterate through\n _this2.applyUpdate(wrapper, cb(wrapper.item, wrapper.scope, wrapper.element));\n });\n }\n }, {\n key: 'applyUpdatesIndex',\n value: function applyUpdatesIndex(index, newItems) {\n if (index % 1 !== 0) {\n // checking if it is an integer\n throw new Error('applyUpdates - ' + index + ' is not a valid index');\n }\n index -= this.buffer.first;\n if (index >= 0 && index < this.buffer.length) {\n this.applyUpdate(this.buffer[index], newItems);\n }\n }\n }, {\n key: 'applyUpdate',\n value: function applyUpdate(wrapper, newItems) {\n var _this3 = this;\n\n if (!angular.isArray(newItems)) {\n return;\n }\n var position = this.buffer.indexOf(wrapper);\n if (!newItems.reverse().some(function (newItem) {\n return newItem === wrapper.item;\n })) {\n wrapper.op = 'remove';\n if (position === 0 && !newItems.length) {\n wrapper._op = 'isTop'; // to catch \"first\" edge case on remove\n }\n }\n newItems.forEach(function (newItem) {\n if (newItem === wrapper.item) {\n position--;\n } else {\n // 3 parameter (isTop) is to catch \"first\" edge case on insert\n _this3.buffer.insert(position + 1, newItem, position === -1);\n }\n });\n }\n }, {\n key: 'calculateProperties',\n value: function calculateProperties() {\n var rowTop = null,\n topHeight = 0;\n var topDone = false,\n bottomDone = false;\n var length = this.buffer.length;\n\n for (var i = 0; i < length; i++) {\n var item = this.buffer[i];\n var itemTop = item.element.offset().top;\n\n if (rowTop !== itemTop) {\n // a new row condition\n var itemHeight = item.element.outerHeight(true);\n var top = this.viewport.topDataPos() + topHeight + itemHeight;\n\n if (!topDone && top > this.viewport.topVisiblePos()) {\n topDone = true;\n this['topVisible'] = item.item;\n this['topVisibleElement'] = item.element;\n this['topVisibleScope'] = item.scope;\n }\n if (!bottomDone && (top >= this.viewport.bottomVisiblePos() || i === length - 1 && this.isEOF())) {\n bottomDone = true;\n this['bottomVisible'] = item.item;\n this['bottomVisibleElement'] = item.element;\n this['bottomVisibleScope'] = item.scope;\n }\n topHeight += itemHeight;\n }\n rowTop = itemTop;\n\n if (topDone && bottomDone) {\n break;\n }\n }\n }\n }]);\n\n return Adapter;\n}();\n\nexports.default = Adapter;\n\n/***/ }),\n/* 1 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.default = ScrollBuffer;\nfunction ScrollBuffer(elementRoutines, bufferSize) {\n var buffer = Object.create(Array.prototype);\n\n angular.extend(buffer, {\n size: bufferSize,\n\n reset: function reset(startIndex) {\n buffer.remove(0, buffer.length);\n buffer.eof = false;\n buffer.bof = false;\n buffer.first = startIndex;\n buffer.next = startIndex;\n buffer.minIndex = startIndex;\n buffer.maxIndex = startIndex;\n buffer.minIndexUser = null;\n buffer.maxIndexUser = null;\n },\n append: function append(items) {\n items.forEach(function (item) {\n ++buffer.next;\n buffer.insert('append', item);\n });\n buffer.maxIndex = buffer.eof ? buffer.next - 1 : Math.max(buffer.next - 1, buffer.maxIndex);\n },\n prepend: function prepend(items) {\n items.reverse().forEach(function (item) {\n --buffer.first;\n buffer.insert('prepend', item);\n });\n buffer.minIndex = buffer.bof ? buffer.minIndex = buffer.first : Math.min(buffer.first, buffer.minIndex);\n },\n\n\n /**\r\n * inserts wrapped element in the buffer\r\n * the first argument is either operation keyword (see below) or a number for operation 'insert'\r\n * for insert the number is the index for the buffer element the new one have to be inserted after\r\n * operations: 'append', 'prepend', 'insert', 'remove', 'update', 'none'\r\n */\n insert: function insert(operation, item, isTop) {\n var wrapper = {\n item: item\n };\n\n if (operation % 1 === 0) {\n // it is an insert\n wrapper.op = 'insert';\n buffer.splice(operation, 0, wrapper);\n if (isTop) {\n buffer.first--;\n } else {\n buffer.next++;\n }\n } else {\n wrapper.op = operation;\n switch (operation) {\n case 'append':\n buffer.push(wrapper);\n break;\n case 'prepend':\n buffer.unshift(wrapper);\n break;\n }\n }\n },\n\n\n // removes elements from buffer\n remove: function remove(arg1, arg2) {\n if (angular.isNumber(arg1)) {\n // removes items from arg1 (including) through arg2 (excluding)\n for (var i = arg1; i < arg2; i++) {\n elementRoutines.removeElement(buffer[i]);\n }\n\n return buffer.splice(arg1, arg2 - arg1);\n }\n // removes single item(wrapper) from the buffer\n buffer.splice(buffer.indexOf(arg1), 1);\n if (arg1._op === 'isTop') {\n buffer.first++;\n } else {\n buffer.next--;\n }\n if (!buffer.length) {\n buffer.first = 1;\n buffer.next = 1;\n }\n\n return elementRoutines.removeElementAnimated(arg1);\n },\n effectiveHeight: function effectiveHeight(elements) {\n if (!elements.length) {\n return 0;\n }\n var top = Number.MAX_VALUE;\n var bottom = Number.NEGATIVE_INFINITY;\n elements.forEach(function (wrapper) {\n if (wrapper.element[0].offsetParent) {\n // element style is not display:none\n top = Math.min(top, wrapper.element.offset().top);\n bottom = Math.max(bottom, wrapper.element.offset().top + wrapper.element.outerHeight(true));\n }\n });\n return Math.max(0, bottom - top);\n }\n });\n\n return buffer;\n}\n\n/***/ }),\n/* 2 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nvar hideClassToken = 'ng-ui-scroll-hide';\n\nfunction addCSSRule(sheet, selector, rules, index) {\n if ('insertRule' in sheet) {\n sheet.insertRule(selector + '{' + rules + '}', index);\n } else if ('addRule' in sheet) {\n sheet.addRule(selector, rules, index);\n }\n}\n\nvar ElementRoutines = function () {\n function ElementRoutines($injector, $q) {\n _classCallCheck(this, ElementRoutines);\n\n this.$animate = $injector.has && $injector.has('$animate') ? $injector.get('$animate') : null;\n this.isAngularVersionLessThen1_3 = angular.version.major === 1 && angular.version.minor < 3;\n this.$q = $q;\n addCSSRule(document.styleSheets[0], '.' + hideClassToken, 'display: none');\n }\n\n _createClass(ElementRoutines, [{\n key: 'hideElement',\n value: function hideElement(wrapper) {\n wrapper.element.addClass(hideClassToken);\n }\n }, {\n key: 'showElement',\n value: function showElement(wrapper) {\n wrapper.element.removeClass(hideClassToken);\n }\n }, {\n key: 'insertElement',\n value: function insertElement(newElement, previousElement) {\n previousElement.after(newElement);\n return [];\n }\n }, {\n key: 'removeElement',\n value: function removeElement(wrapper) {\n wrapper.element.remove();\n wrapper.scope.$destroy();\n return [];\n }\n }, {\n key: 'insertElementAnimated',\n value: function insertElementAnimated(newElement, previousElement) {\n if (!this.$animate) {\n return this.insertElement(newElement, previousElement);\n }\n\n if (this.isAngularVersionLessThen1_3) {\n var deferred = this.$q.defer();\n // no need for parent - previous element is never null\n this.$animate.enter(newElement, null, previousElement, function () {\n return deferred.resolve();\n });\n\n return [deferred.promise];\n }\n\n // no need for parent - previous element is never null\n return [this.$animate.enter(newElement, null, previousElement)];\n }\n }, {\n key: 'removeElementAnimated',\n value: function removeElementAnimated(wrapper) {\n if (!this.$animate) {\n return this.removeElement(wrapper);\n }\n\n if (this.isAngularVersionLessThen1_3) {\n var deferred = this.$q.defer();\n this.$animate.leave(wrapper.element, function () {\n wrapper.scope.$destroy();\n return deferred.resolve();\n });\n\n return [deferred.promise];\n }\n\n return [this.$animate.leave(wrapper.element).then(function () {\n return wrapper.scope.$destroy();\n })];\n }\n }]);\n\n return ElementRoutines;\n}();\n\nexports.default = ElementRoutines;\n\n/***/ }),\n/* 3 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i[\"return\"]) _i[\"return\"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError(\"Invalid attempt to destructure non-iterable instance\"); } }; }();\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\n/*!\r\n globals: angular, window\r\n List of used element methods available in JQuery but not in JQuery Lite\r\n element.before(elem)\r\n element.height()\r\n element.outerHeight(true)\r\n element.height(value) = only for Top/Bottom padding elements\r\n element.scrollTop()\r\n element.scrollTop(value)\r\n */\n\nvar JQLiteExtras = function () {\n function JQLiteExtras() {\n _classCallCheck(this, JQLiteExtras);\n }\n\n _createClass(JQLiteExtras, [{\n key: 'registerFor',\n value: function registerFor(element) {\n var convertToPx = void 0,\n css = void 0,\n getStyle = void 0,\n isWindow = void 0;\n // angular implementation blows up if elem is the window\n css = angular.element.prototype.css;\n\n element.prototype.css = function (name, value) {\n var self = this;\n var elem = self[0];\n if (!(!elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style)) {\n return css.call(self, name, value);\n }\n };\n\n // as defined in angularjs v1.0.5\n isWindow = function isWindow(obj) {\n return obj && obj.document && obj.location && obj.alert && obj.setInterval;\n };\n\n function scrollTo(self, direction, value) {\n var elem = self[0];\n\n var _top$left$direction = _slicedToArray({\n top: ['scrollTop', 'pageYOffset', 'scrollLeft'],\n left: ['scrollLeft', 'pageXOffset', 'scrollTop']\n }[direction], 3),\n method = _top$left$direction[0],\n prop = _top$left$direction[1],\n preserve = _top$left$direction[2];\n\n if (isWindow(elem)) {\n if (angular.isDefined(value)) {\n return elem.scrollTo(self[preserve].call(self), value);\n }\n return prop in elem ? elem[prop] : elem.document.documentElement[method];\n } else {\n if (angular.isDefined(value)) {\n elem[method] = value;\n }\n return elem[method];\n }\n }\n\n if (window.getComputedStyle) {\n getStyle = function getStyle(elem) {\n return window.getComputedStyle(elem, null);\n };\n convertToPx = function convertToPx(elem, value) {\n return parseFloat(value);\n };\n } else {\n getStyle = function getStyle(elem) {\n return elem.currentStyle;\n };\n convertToPx = function convertToPx(elem, value) {\n var left = void 0,\n result = void 0,\n rs = void 0,\n rsLeft = void 0,\n style = void 0;\n var core_pnum = /[+-]?(?:\\d*\\.|)\\d+(?:[eE][+-]?\\d+|)/.source;\n var rnumnonpx = new RegExp('^(' + core_pnum + ')(?!px)[a-z%]+$', 'i');\n\n if (!rnumnonpx.test(value)) {\n return parseFloat(value);\n }\n\n // ported from JQuery\n style = elem.style;\n left = style.left;\n rs = elem.runtimeStyle;\n rsLeft = rs && rs.left;\n if (rs) {\n rs.left = style.left;\n }\n // put in the new values to get a computed style out\n style.left = value;\n result = style.pixelLeft;\n style.left = left;\n if (rsLeft) {\n rs.left = rsLeft;\n }\n return result;\n };\n }\n\n function getMeasurements(elem, measure) {\n var base = void 0,\n borderA = void 0,\n borderB = void 0,\n computedMarginA = void 0,\n computedMarginB = void 0,\n computedStyle = void 0,\n dirA = void 0,\n dirB = void 0,\n marginA = void 0,\n marginB = void 0,\n paddingA = void 0,\n paddingB = void 0;\n\n if (isWindow(elem)) {\n base = document.documentElement[{ height: 'clientHeight', width: 'clientWidth' }[measure]];\n\n return {\n base: base,\n padding: 0,\n border: 0,\n margin: 0\n };\n }\n\n // Start with offset property\n\n var _width$height$measure = _slicedToArray({\n width: [elem.offsetWidth, 'Left', 'Right'],\n height: [elem.offsetHeight, 'Top', 'Bottom']\n }[measure], 3);\n\n base = _width$height$measure[0];\n dirA = _width$height$measure[1];\n dirB = _width$height$measure[2];\n\n\n computedStyle = getStyle(elem);\n paddingA = convertToPx(elem, computedStyle['padding' + dirA]) || 0;\n paddingB = convertToPx(elem, computedStyle['padding' + dirB]) || 0;\n borderA = convertToPx(elem, computedStyle['border' + dirA + 'Width']) || 0;\n borderB = convertToPx(elem, computedStyle['border' + dirB + 'Width']) || 0;\n computedMarginA = computedStyle['margin' + dirA];\n computedMarginB = computedStyle['margin' + dirB];\n\n // I do not care for width for now, so this hack is irrelevant\n // if ( !supportsPercentMargin )\n // computedMarginA = hackPercentMargin( elem, computedStyle, computedMarginA )\n // computedMarginB = hackPercentMargin( elem, computedStyle, computedMarginB )\n marginA = convertToPx(elem, computedMarginA) || 0;\n marginB = convertToPx(elem, computedMarginB) || 0;\n\n return {\n base: base,\n padding: paddingA + paddingB,\n border: borderA + borderB,\n margin: marginA + marginB\n };\n }\n\n function getWidthHeight(elem, direction, measure) {\n var computedStyle = void 0,\n result = void 0;\n\n var measurements = getMeasurements(elem, direction);\n\n if (measurements.base > 0) {\n return {\n base: measurements.base - measurements.padding - measurements.border,\n outer: measurements.base,\n outerfull: measurements.base + measurements.margin\n }[measure];\n }\n\n // Fall back to computed then uncomputed css if necessary\n computedStyle = getStyle(elem);\n result = computedStyle[direction];\n\n if (result < 0 || result === null) {\n result = elem.style[direction] || 0;\n }\n\n // Normalize \"\", auto, and prepare for extra\n result = parseFloat(result) || 0;\n\n return {\n base: result - measurements.padding - measurements.border,\n outer: result,\n outerfull: result + measurements.padding + measurements.border + measurements.margin\n }[measure];\n }\n\n // define missing methods\n return angular.forEach({\n before: function before(newElem) {\n var children, elem, i, j, parent, ref, self;\n self = this;\n elem = self[0];\n parent = self.parent();\n children = parent.contents();\n if (children[0] === elem) {\n return parent.prepend(newElem);\n } else {\n for (i = j = 1, ref = children.length - 1; 1 <= ref ? j <= ref : j >= ref; i = 1 <= ref ? ++j : --j) {\n if (children[i] === elem) {\n angular.element(children[i - 1]).after(newElem);\n return;\n }\n }\n throw new Error('invalid DOM structure ' + elem.outerHTML);\n }\n },\n height: function height(value) {\n var self;\n self = this;\n if (angular.isDefined(value)) {\n if (angular.isNumber(value)) {\n value = value + 'px';\n }\n return css.call(self, 'height', value);\n } else {\n return getWidthHeight(this[0], 'height', 'base');\n }\n },\n outerHeight: function outerHeight(option) {\n return getWidthHeight(this[0], 'height', option ? 'outerfull' : 'outer');\n },\n outerWidth: function outerWidth(option) {\n return getWidthHeight(this[0], 'width', option ? 'outerfull' : 'outer');\n },\n\n\n /*\r\n The offset setter method is not implemented\r\n */\n offset: function offset(value) {\n var docElem = void 0,\n win = void 0;\n var self = this;\n var box = {\n top: 0,\n left: 0\n };\n var elem = self[0];\n var doc = elem && elem.ownerDocument;\n\n if (arguments.length) {\n if (value === undefined) {\n return self;\n }\n // TODO: implement setter\n throw new Error('offset setter method is not implemented');\n }\n\n if (!doc) {\n return;\n }\n\n docElem = doc.documentElement;\n\n // TODO: Make sure it's not a disconnected DOM node\n\n if (elem.getBoundingClientRect != null) {\n box = elem.getBoundingClientRect();\n }\n\n win = doc.defaultView || doc.parentWindow;\n\n return {\n top: box.top + (win.pageYOffset || docElem.scrollTop) - (docElem.clientTop || 0),\n left: box.left + (win.pageXOffset || docElem.scrollLeft) - (docElem.clientLeft || 0)\n };\n },\n scrollTop: function scrollTop(value) {\n return scrollTo(this, 'top', value);\n },\n scrollLeft: function scrollLeft(value) {\n return scrollTo(this, 'left', value);\n }\n }, function (value, key) {\n if (!element.prototype[key]) {\n return element.prototype[key] = value;\n }\n });\n }\n }]);\n\n return JQLiteExtras;\n}();\n\nexports.default = JQLiteExtras;\n\n/***/ }),\n/* 4 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.default = Viewport;\n\nvar _padding = __webpack_require__(5);\n\nvar _padding2 = _interopRequireDefault(_padding);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction Viewport(elementRoutines, buffer, element, viewportController, $rootScope, padding) {\n var topPadding = null;\n var bottomPadding = null;\n var viewport = viewportController && viewportController.viewport ? viewportController.viewport : angular.element(window);\n var container = viewportController && viewportController.container ? viewportController.container : undefined;\n var scope = viewportController && viewportController.scope ? viewportController.scope : $rootScope;\n\n viewport.css({\n 'overflow-anchor': 'none',\n 'overflow-y': 'auto',\n 'display': 'block'\n });\n\n function bufferPadding() {\n return viewport.outerHeight() * padding; // some extra space to initiate preload\n }\n\n angular.extend(viewport, {\n getScope: function getScope() {\n return scope;\n },\n createPaddingElements: function createPaddingElements(template) {\n topPadding = new _padding2.default(template);\n bottomPadding = new _padding2.default(template);\n element.before(topPadding);\n element.after(bottomPadding);\n },\n applyContainerStyle: function applyContainerStyle() {\n if (container && container !== viewport) {\n viewport.css('height', window.getComputedStyle(container[0]).height);\n }\n },\n bottomDataPos: function bottomDataPos() {\n var scrollHeight = viewport[0].scrollHeight;\n scrollHeight = scrollHeight != null ? scrollHeight : viewport[0].document.documentElement.scrollHeight;\n return scrollHeight - bottomPadding.height();\n },\n topDataPos: function topDataPos() {\n return topPadding.height();\n },\n bottomVisiblePos: function bottomVisiblePos() {\n return viewport.scrollTop() + viewport.outerHeight();\n },\n topVisiblePos: function topVisiblePos() {\n return viewport.scrollTop();\n },\n insertElement: function insertElement(e, sibling) {\n return elementRoutines.insertElement(e, sibling || topPadding);\n },\n insertElementAnimated: function insertElementAnimated(e, sibling) {\n return elementRoutines.insertElementAnimated(e, sibling || topPadding);\n },\n shouldLoadBottom: function shouldLoadBottom() {\n return !buffer.eof && viewport.bottomDataPos() < viewport.bottomVisiblePos() + bufferPadding();\n },\n clipBottom: function clipBottom() {\n // clip the invisible items off the bottom\n var overage = 0;\n var overageHeight = 0;\n var itemHeight = 0;\n var emptySpaceHeight = viewport.bottomDataPos() - viewport.bottomVisiblePos() - bufferPadding();\n\n for (var i = buffer.length - 1; i >= 0; i--) {\n itemHeight = buffer[i].element.outerHeight(true);\n if (overageHeight + itemHeight > emptySpaceHeight) {\n break;\n }\n bottomPadding.cache.add(buffer[i]);\n overageHeight += itemHeight;\n overage++;\n }\n\n if (overage > 0) {\n buffer.eof = false;\n buffer.remove(buffer.length - overage, buffer.length);\n buffer.next -= overage;\n viewport.adjustPaddings();\n }\n },\n shouldLoadTop: function shouldLoadTop() {\n return !buffer.bof && viewport.topDataPos() > viewport.topVisiblePos() - bufferPadding();\n },\n clipTop: function clipTop() {\n // clip the invisible items off the top\n var overage = 0;\n var overageHeight = 0;\n var itemHeight = 0;\n var emptySpaceHeight = viewport.topVisiblePos() - viewport.topDataPos() - bufferPadding();\n\n for (var i = 0; i < buffer.length; i++) {\n itemHeight = buffer[i].element.outerHeight(true);\n if (overageHeight + itemHeight > emptySpaceHeight) {\n break;\n }\n topPadding.cache.add(buffer[i]);\n overageHeight += itemHeight;\n overage++;\n }\n\n if (overage > 0) {\n // we need to adjust top padding element before items are removed from top\n // to avoid strange behaviour of scroll bar during remove top items when we are at the very bottom\n topPadding.height(topPadding.height() + overageHeight);\n buffer.bof = false;\n buffer.remove(0, overage);\n buffer.first += overage;\n }\n },\n adjustPaddings: function adjustPaddings() {\n if (!buffer.length) {\n return;\n }\n\n // precise heights calculation, items that were in buffer once\n var topPaddingHeight = topPadding.cache.reduce(function (summ, item) {\n return summ + (item.index < buffer.first ? item.height : 0);\n }, 0);\n var bottomPaddingHeight = bottomPadding.cache.reduce(function (summ, item) {\n return summ + (item.index >= buffer.next ? item.height : 0);\n }, 0);\n\n // average item height based on buffer data\n var visibleItemsHeight = buffer.reduce(function (summ, item) {\n return summ + item.element.outerHeight(true);\n }, 0);\n var averageItemHeight = (visibleItemsHeight + topPaddingHeight + bottomPaddingHeight) / (buffer.maxIndex - buffer.minIndex + 1);\n\n // average heights calculation, items that have never been reached\n var adjustTopPadding = buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser;\n var adjustBottomPadding = buffer.maxIndexUser !== null && buffer.maxIndex < buffer.maxIndexUser;\n var topPaddingHeightAdd = adjustTopPadding ? (buffer.minIndex - buffer.minIndexUser) * averageItemHeight : 0;\n var bottomPaddingHeightAdd = adjustBottomPadding ? (buffer.maxIndexUser - buffer.maxIndex) * averageItemHeight : 0;\n\n // paddings combine adjustment\n topPadding.height(topPaddingHeight + topPaddingHeightAdd);\n bottomPadding.height(bottomPaddingHeight + bottomPaddingHeightAdd);\n },\n onAfterMinIndexSet: function onAfterMinIndexSet(topPaddingHeightOld) {\n // additional scrollTop adjustment in case of datasource.minIndex external set\n if (buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser) {\n var diff = topPadding.height() - topPaddingHeightOld;\n viewport.scrollTop(viewport.scrollTop() + diff);\n diff -= viewport.scrollTop();\n if (diff > 0) {\n bottomPadding.height(bottomPadding.height() + diff);\n viewport.scrollTop(viewport.scrollTop() + diff);\n }\n }\n },\n onAfterPrepend: function onAfterPrepend(updates) {\n if (!updates.prepended.length) return;\n var height = buffer.effectiveHeight(updates.prepended);\n var paddingHeight = topPadding.height() - height;\n if (paddingHeight >= 0) {\n topPadding.height(paddingHeight);\n } else {\n topPadding.height(0);\n viewport.scrollTop(viewport.scrollTop() - paddingHeight);\n }\n },\n resetTopPadding: function resetTopPadding() {\n topPadding.height(0);\n topPadding.cache.clear();\n },\n resetBottomPadding: function resetBottomPadding() {\n bottomPadding.height(0);\n bottomPadding.cache.clear();\n },\n removeItem: function removeItem(item) {\n topPadding.cache.remove(item);\n bottomPadding.cache.remove(item);\n return buffer.remove(item);\n }\n });\n\n return viewport;\n}\n\n/***/ }),\n/* 5 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nexports.default = Padding;\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\n// Can't just extend the Array, due to Babel does not support built-in classes extending\n// This solution was taken from https://stackoverflow.com/questions/46897414/es6-class-extends-array-workaround-for-es5-babel-transpile\nvar CacheProto = function () {\n function CacheProto() {\n _classCallCheck(this, CacheProto);\n }\n\n _createClass(CacheProto, [{\n key: 'add',\n value: function add(item) {\n for (var i = this.length - 1; i >= 0; i--) {\n if (this[i].index === item.scope.$index) {\n this[i].height = item.element.outerHeight();\n return;\n }\n }\n this.push({\n index: item.scope.$index,\n height: item.element.outerHeight()\n });\n this.sort(function (a, b) {\n return a.index < b.index ? -1 : a.index > b.index ? 1 : 0;\n });\n }\n }, {\n key: 'remove',\n value: function remove(itemToRemove) {\n for (var i = this.length - 1; i >= 0; i--) {\n if (this[i].index === itemToRemove.scope.$index) {\n this.splice(i, 1);\n break;\n }\n }\n if (itemToRemove._op !== 'isTop') {\n for (var _i = this.length - 1; _i >= 0; _i--) {\n if (this[_i].index > itemToRemove.scope.$index) {\n this[_i].index--;\n }\n }\n }\n }\n }, {\n key: 'clear',\n value: function clear() {\n this.length = 0;\n }\n }]);\n\n return CacheProto;\n}();\n\nfunction Cache() {\n var instance = [];\n instance.push.apply(instance, arguments);\n Object.setPrototypeOf(instance, Cache.prototype);\n return instance;\n}\nCache.prototype = Object.create(Array.prototype);\nObject.getOwnPropertyNames(CacheProto.prototype).forEach(function (methodName) {\n return Cache.prototype[methodName] = CacheProto.prototype[methodName];\n});\n\nfunction Padding(template) {\n var result = void 0;\n\n if (template.nodeType !== Node.ELEMENT_NODE) {\n throw new Error('ui-scroll directive requires an Element node for templating the view');\n }\n\n switch (template.tagName.toLowerCase()) {\n case 'dl':\n throw new Error('ui-scroll directive does not support <' + template.tagName + '> as a repeating tag: ' + template.outerHTML);\n case 'tr':\n var table = angular.element('
    ');\n result = table.find('tr');\n break;\n case 'li':\n result = angular.element('
  • ');\n break;\n default:\n result = angular.element('
    ');\n }\n\n result.cache = new Cache();\n\n return result;\n}\n\n/***/ }),\n/* 6 */,\n/* 7 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nvar _jqLiteExtras = __webpack_require__(3);\n\nvar _jqLiteExtras2 = _interopRequireDefault(_jqLiteExtras);\n\nvar _elementRoutines = __webpack_require__(2);\n\nvar _elementRoutines2 = _interopRequireDefault(_elementRoutines);\n\nvar _buffer = __webpack_require__(1);\n\nvar _buffer2 = _interopRequireDefault(_buffer);\n\nvar _viewport = __webpack_require__(4);\n\nvar _viewport2 = _interopRequireDefault(_viewport);\n\nvar _adapter = __webpack_require__(0);\n\nvar _adapter2 = _interopRequireDefault(_adapter);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nangular.module('ui.scroll', []).service('jqLiteExtras', function () {\n return new _jqLiteExtras2.default();\n}).run(['jqLiteExtras', function (jqLiteExtras) {\n return !window.jQuery ? jqLiteExtras.registerFor(angular.element) : null;\n}]).directive('uiScrollViewport', function () {\n return {\n restrict: 'A',\n controller: ['$scope', '$element', function (scope, element) {\n var _this = this;\n\n this.container = element;\n this.viewport = element;\n this.scope = scope;\n\n angular.forEach(element.children(), function (child) {\n if (child.tagName.toLowerCase() === 'tbody') {\n _this.viewport = angular.element(child);\n }\n });\n\n return this;\n }]\n };\n}).directive('uiScroll', ['$log', '$injector', '$rootScope', '$timeout', '$q', '$parse', function (console, $injector, $rootScope, $timeout, $q, $parse) {\n\n return {\n require: ['?^uiScrollViewport'],\n restrict: 'A',\n transclude: 'element',\n priority: 1000,\n terminal: true,\n link: link\n };\n\n function link($scope, element, $attr, controllers, linker) {\n var match = $attr.uiScroll.match(/^\\s*(\\w+)\\s+in\\s+([(\\w|\\$)\\.]+)\\s*$/);\n if (!match) {\n throw new Error('Expected uiScroll in form of \\'_item_ in _datasource_\\' but got \\'' + $attr.uiScroll + '\\'');\n }\n\n function parseNumericAttr(value, defaultValue) {\n var result = $parse(value)($scope);\n return isNaN(result) ? defaultValue : result;\n }\n\n var BUFFER_MIN = 3;\n var BUFFER_DEFAULT = 10;\n var PADDING_MIN = 0.3;\n var PADDING_DEFAULT = 0.5;\n\n var datasource = null;\n var itemName = match[1];\n var datasourceName = match[2];\n var viewportController = controllers[0];\n var bufferSize = Math.max(BUFFER_MIN, parseNumericAttr($attr.bufferSize, BUFFER_DEFAULT));\n var padding = Math.max(PADDING_MIN, parseNumericAttr($attr.padding, PADDING_DEFAULT));\n var startIndex = parseNumericAttr($attr.startIndex, 1);\n var ridActual = 0; // current data revision id\n var pending = [];\n\n var elementRoutines = new _elementRoutines2.default($injector, $q);\n var buffer = new _buffer2.default(elementRoutines, bufferSize);\n var viewport = new _viewport2.default(elementRoutines, buffer, element, viewportController, $rootScope, padding);\n var adapter = new _adapter2.default(viewport, buffer, adjustBuffer, reload, $attr, $parse, element, $scope);\n\n if (viewportController) {\n viewportController.adapter = adapter;\n }\n\n var isDatasourceValid = function isDatasourceValid() {\n return angular.isObject(datasource) && angular.isFunction(datasource.get);\n };\n datasource = $parse(datasourceName)($scope); // try to get datasource on scope\n if (!isDatasourceValid()) {\n datasource = $injector.get(datasourceName); // try to inject datasource as service\n if (!isDatasourceValid()) {\n throw new Error(datasourceName + ' is not a valid datasource');\n }\n }\n\n var onRenderHandlers = [];\n function onRenderHandlersRunner() {\n if (onRenderHandlers.length) {\n angular.forEach(onRenderHandlers, function (handler) {\n return handler();\n });\n onRenderHandlers = [];\n }\n }\n function preDefineIndexProperty(datasource, propName) {\n var getter = void 0;\n // need to postpone min/maxIndexUser processing if the view is empty\n if (datasource.hasOwnProperty(propName) && !buffer.length) {\n getter = datasource[propName];\n delete datasource[propName];\n onRenderHandlers.push(function () {\n return datasource[propName] = getter;\n });\n }\n }\n\n function defineIndexProperty(datasource, propName, propUserName) {\n var descriptor = Object.getOwnPropertyDescriptor(datasource, propName);\n if (descriptor && (descriptor.set || descriptor.get)) {\n return;\n }\n var getter = void 0;\n preDefineIndexProperty(datasource, propName);\n Object.defineProperty(datasource, propName, {\n set: function set(value) {\n getter = value;\n buffer[propUserName] = value;\n var topPaddingHeightOld = viewport.topDataPos();\n viewport.adjustPaddings();\n if (propName === 'minIndex') {\n viewport.onAfterMinIndexSet(topPaddingHeightOld);\n }\n },\n get: function get() {\n return getter;\n }\n });\n }\n\n defineIndexProperty(datasource, 'minIndex', 'minIndexUser');\n defineIndexProperty(datasource, 'maxIndex', 'maxIndexUser');\n\n var fetchNext = datasource.get.length !== 2 ? function (success) {\n return datasource.get(buffer.next, bufferSize, success);\n } : function (success) {\n datasource.get({\n index: buffer.next,\n append: buffer.length ? buffer[buffer.length - 1].item : void 0,\n count: bufferSize\n }, success);\n };\n\n var fetchPrevious = datasource.get.length !== 2 ? function (success) {\n return datasource.get(buffer.first - bufferSize, bufferSize, success);\n } : function (success) {\n datasource.get({\n index: buffer.first - bufferSize,\n prepend: buffer.length ? buffer[0].item : void 0,\n count: bufferSize\n }, success);\n };\n\n /**\n * Build padding elements\n *\n * Calling linker is the only way I found to get access to the tag name of the template\n * to prevent the directive scope from pollution a new scope is created and destroyed\n * right after the builder creation is completed\n */\n linker(function (clone, scope) {\n viewport.createPaddingElements(clone[0]);\n // we do not include the clone in the DOM. It means that the nested directives will not\n // be able to reach the parent directives, but in this case it is intentional because we\n // created the clone to access the template tag name\n scope.$destroy();\n clone.remove();\n });\n\n $scope.$on('$destroy', function () {\n unbindEvents();\n viewport.unbind('mousewheel', wheelHandler);\n });\n\n viewport.bind('mousewheel', wheelHandler);\n\n $timeout(function () {\n viewport.applyContainerStyle();\n reload();\n });\n\n /* Private function definitions */\n\n function isInvalid(rid) {\n return rid && rid !== ridActual || $scope.$$destroyed;\n }\n\n function bindEvents() {\n viewport.bind('resize', resizeAndScrollHandler);\n viewport.bind('scroll', resizeAndScrollHandler);\n }\n\n function unbindEvents() {\n viewport.unbind('resize', resizeAndScrollHandler);\n viewport.unbind('scroll', resizeAndScrollHandler);\n }\n\n function reload() {\n viewport.resetTopPadding();\n viewport.resetBottomPadding();\n if (arguments.length) {\n startIndex = arguments[0];\n }\n buffer.reset(startIndex);\n adjustBuffer();\n }\n\n function isElementVisible(wrapper) {\n return wrapper.element.height() && wrapper.element[0].offsetParent;\n }\n\n function visibilityWatcher(wrapper) {\n if (isElementVisible(wrapper)) {\n buffer.forEach(function (item) {\n if (angular.isFunction(item.unregisterVisibilityWatcher)) {\n item.unregisterVisibilityWatcher();\n delete item.unregisterVisibilityWatcher;\n }\n });\n if (!pending.length) {\n $timeout(function () {\n return adjustBuffer();\n });\n }\n }\n }\n\n function insertWrapperContent(wrapper, insertAfter) {\n createElement(wrapper, insertAfter, viewport.insertElement);\n if (!isElementVisible(wrapper)) {\n wrapper.unregisterVisibilityWatcher = wrapper.scope.$watch(function () {\n return visibilityWatcher(wrapper);\n });\n }\n elementRoutines.hideElement(wrapper); // hide inserted elements before data binding\n }\n\n function createElement(wrapper, insertAfter, insertElement) {\n var promises = null;\n var sibling = insertAfter > 0 ? buffer[insertAfter - 1].element : undefined;\n linker(function (clone, scope) {\n promises = insertElement(clone, sibling);\n wrapper.element = clone;\n wrapper.scope = scope;\n scope[itemName] = wrapper.item;\n });\n // ui-scroll-grid apply\n if (adapter.transform) {\n var tdInitializer = wrapper.scope.uiScrollTdInitializer;\n if (tdInitializer && tdInitializer.linking) {\n adapter.transform(wrapper.scope, wrapper.element);\n } else {\n wrapper.scope.uiScrollTdInitializer = {\n onLink: function onLink() {\n return adapter.transform(wrapper.scope, wrapper.element);\n },\n scope: wrapper.scope\n };\n }\n }\n return promises;\n }\n\n function updateDOM() {\n var promises = [];\n var toBePrepended = [];\n var toBeRemoved = [];\n var inserted = [];\n\n buffer.forEach(function (wrapper, i) {\n switch (wrapper.op) {\n case 'prepend':\n toBePrepended.unshift(wrapper);\n break;\n case 'append':\n insertWrapperContent(wrapper, i);\n wrapper.op = 'none';\n inserted.push(wrapper);\n break;\n case 'insert':\n promises = promises.concat(createElement(wrapper, i, viewport.insertElementAnimated));\n wrapper.op = 'none';\n inserted.push(wrapper);\n break;\n case 'remove':\n toBeRemoved.push(wrapper);\n }\n });\n\n toBeRemoved.forEach(function (wrapper) {\n return promises = promises.concat(viewport.removeItem(wrapper));\n });\n\n if (toBePrepended.length) toBePrepended.forEach(function (wrapper) {\n insertWrapperContent(wrapper);\n wrapper.op = 'none';\n });\n\n buffer.forEach(function (item, i) {\n return item.scope.$index = buffer.first + i;\n });\n\n return {\n prepended: toBePrepended,\n removed: toBeRemoved,\n inserted: inserted,\n animated: promises\n };\n }\n\n function updatePaddings(rid, updates) {\n // schedule another adjustBuffer after animation completion\n if (updates.animated.length) {\n $q.all(updates.animated).then(function () {\n viewport.adjustPaddings();\n adjustBuffer(rid);\n });\n } else {\n viewport.adjustPaddings();\n }\n }\n\n function enqueueFetch(rid, updates) {\n if (viewport.shouldLoadBottom()) {\n if (!updates || buffer.effectiveHeight(updates.inserted) > 0) {\n // this means that at least one item appended in the last batch has height > 0\n if (pending.push(true) === 1) {\n adapter.loading(true);\n fetch(rid);\n }\n }\n } else if (viewport.shouldLoadTop()) {\n if (!updates || buffer.effectiveHeight(updates.prepended) > 0 || pending[0]) {\n // this means that at least one item appended in the last batch has height > 0\n // pending[0] = true means that previous fetch was appending. We need to force at least one prepend\n // BTW there will always be at least 1 element in the pending array because bottom is fetched first\n if (pending.push(false) === 1) {\n adapter.loading(true);\n fetch(rid);\n }\n }\n }\n }\n\n function processUpdates() {\n var updates = updateDOM();\n\n // We need the item bindings to be processed before we can do adjustments\n !$scope.$$phase && !$scope.$root.$$phase && $scope.$digest();\n\n updates.inserted.forEach(function (w) {\n return elementRoutines.showElement(w);\n });\n updates.prepended.forEach(function (w) {\n return elementRoutines.showElement(w);\n });\n return updates;\n }\n\n function adjustBuffer(rid) {\n if (!rid) {\n // dismiss pending requests\n pending = [];\n rid = ++ridActual;\n }\n\n var updates = processUpdates();\n\n if (isInvalid(rid)) {\n return;\n }\n\n updatePaddings(rid, updates);\n enqueueFetch(rid);\n\n if (!pending.length) {\n adapter.calculateProperties();\n }\n }\n\n function adjustBufferAfterFetch(rid) {\n var updates = processUpdates();\n\n viewport.onAfterPrepend(updates);\n\n if (isInvalid(rid)) {\n return;\n }\n\n updatePaddings(rid, updates);\n onRenderHandlersRunner();\n enqueueFetch(rid, updates);\n pending.shift();\n\n if (pending.length) fetch(rid);else {\n adapter.loading(false);\n bindEvents();\n adapter.calculateProperties();\n }\n }\n\n function fetch(rid) {\n if (pending[0]) {\n // scrolling down\n if (buffer.length && !viewport.shouldLoadBottom()) {\n adjustBufferAfterFetch(rid);\n } else {\n fetchNext(function (result) {\n if (isInvalid(rid)) {\n return;\n }\n\n if (result.length < bufferSize) {\n buffer.eof = true;\n }\n\n if (result.length > 0) {\n viewport.clipTop();\n buffer.append(result);\n }\n\n adjustBufferAfterFetch(rid);\n });\n }\n } else {\n // scrolling up\n if (buffer.length && !viewport.shouldLoadTop()) {\n adjustBufferAfterFetch(rid);\n } else {\n fetchPrevious(function (result) {\n if (isInvalid(rid)) {\n return;\n }\n\n if (result.length < bufferSize) {\n buffer.bof = true;\n // log 'bof is reached'\n }\n\n if (result.length > 0) {\n if (buffer.length) {\n viewport.clipBottom();\n }\n buffer.prepend(result);\n }\n\n adjustBufferAfterFetch(rid);\n });\n }\n }\n }\n\n function resizeAndScrollHandler() {\n if (!$rootScope.$$phase && !adapter.isLoading && !adapter.disabled) {\n\n enqueueFetch(ridActual);\n\n if (pending.length) {\n unbindEvents();\n } else {\n adapter.calculateProperties();\n !$scope.$$phase && $scope.$digest();\n }\n }\n }\n\n function wheelHandler(event) {\n if (!adapter.disabled) {\n var scrollTop = viewport[0].scrollTop;\n var yMax = viewport[0].scrollHeight - viewport[0].clientHeight;\n\n if (scrollTop === 0 && !buffer.bof || scrollTop === yMax && !buffer.eof) {\n event.preventDefault();\n }\n }\n }\n }\n}]);\n\n/***/ })\n/******/ ]);\n\n\n// WEBPACK FOOTER //\n// ui-scroll.min.js"," \t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId]) {\n \t\t\treturn installedModules[moduleId].exports;\n \t\t}\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\ti: moduleId,\n \t\t\tl: false,\n \t\t\texports: {}\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.l = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// identity function for calling harmony imports with the correct context\n \t__webpack_require__.i = function(value) { return value; };\n\n \t// define getter function for harmony exports\n \t__webpack_require__.d = function(exports, name, getter) {\n \t\tif(!__webpack_require__.o(exports, name)) {\n \t\t\tObject.defineProperty(exports, name, {\n \t\t\t\tconfigurable: false,\n \t\t\t\tenumerable: true,\n \t\t\t\tget: getter\n \t\t\t});\n \t\t}\n \t};\n\n \t// getDefaultExport function for compatibility with non-harmony modules\n \t__webpack_require__.n = function(module) {\n \t\tvar getter = module && module.__esModule ?\n \t\t\tfunction getDefault() { return module['default']; } :\n \t\t\tfunction getModuleExports() { return module; };\n \t\t__webpack_require__.d(getter, 'a', getter);\n \t\treturn getter;\n \t};\n\n \t// Object.prototype.hasOwnProperty.call\n \t__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"\";\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(__webpack_require__.s = 7);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap 89278db0f17c3b04f1d1","function getCtrlOnData(attr, element) {\r\n let onSyntax = attr.match(/^(.+)(\\s+on\\s+)(.+)?/);\r\n if (onSyntax && onSyntax.length === 4) {\r\n window.console.log('Angular ui-scroll adapter assignment warning. \"Controller On\" syntax has been deprecated since ui-scroll v1.6.1.');\r\n let ctrl = onSyntax[3];\r\n let tail = onSyntax[1];\r\n let candidate = element;\r\n while (candidate.length) {\r\n let candidateScope = candidate.scope(); // doesn't work when debugInfoEnabled flag = true\r\n let candidateName = (candidate.attr('ng-controller') || '').match(/(\\w(?:\\w|\\d)*)(?:\\s+as\\s+(\\w(?:\\w|\\d)*))?/);\r\n if (candidateName && candidateName[1] === ctrl) {\r\n return {\r\n target: candidateScope,\r\n source: tail\r\n };\r\n }\r\n candidate = candidate.parent();\r\n }\r\n throw new Error('Angular ui-scroll adapter assignment error. Failed to locate target controller \"' + ctrl + '\" to inject \"' + tail + '\"');\r\n }\r\n}\r\n\r\nclass Adapter {\r\n\r\n constructor(viewport, buffer, adjustBuffer, reload, $attr, $parse, element, $scope) {\r\n this.viewport = viewport;\r\n this.buffer = buffer;\r\n this.adjustBuffer = adjustBuffer;\r\n this.reload = reload;\r\n\r\n this.isLoading = false;\r\n this.disabled = false;\r\n\r\n const viewportScope = viewport.getScope();\r\n this.startScope = viewportScope.$parent ? viewportScope : $scope;\r\n\r\n this.publicContext = {};\r\n this.assignAdapter($attr.adapter, $parse, element);\r\n this.generatePublicContext($attr, $parse);\r\n }\r\n\r\n assignAdapter(adapterAttr, $parse, element) {\r\n if (!adapterAttr || !(adapterAttr = adapterAttr.replace(/^\\s+|\\s+$/gm, ''))) {\r\n return;\r\n }\r\n let ctrlOnData = getCtrlOnData(adapterAttr, element);\r\n let adapterOnScope;\r\n\r\n try {\r\n if (ctrlOnData) { // \"Controller On\", deprecated since v1.6.1\r\n $parse(ctrlOnData.source).assign(ctrlOnData.target, {});\r\n adapterOnScope = $parse(ctrlOnData.source)(ctrlOnData.target);\r\n }\r\n else {\r\n $parse(adapterAttr).assign(this.startScope, {});\r\n adapterOnScope = $parse(adapterAttr)(this.startScope);\r\n }\r\n }\r\n catch (error) {\r\n error.message = `Angular ui-scroll Adapter assignment exception.\\n` +\r\n `Can't parse \"${adapterAttr}\" expression.\\n` +\r\n error.message;\r\n throw error;\r\n }\r\n\r\n angular.extend(adapterOnScope, this.publicContext);\r\n this.publicContext = adapterOnScope;\r\n }\r\n\r\n generatePublicContext($attr, $parse) {\r\n // these methods will be accessible out of ui-scroll via user defined adapter\r\n const publicMethods = ['reload', 'applyUpdates', 'append', 'prepend', 'isBOF', 'isEOF', 'isEmpty'];\r\n for (let i = publicMethods.length - 1; i >= 0; i--) {\r\n this.publicContext[publicMethods[i]] = this[publicMethods[i]].bind(this);\r\n }\r\n\r\n // these read-only props will be accessible out of ui-scroll via user defined adapter\r\n const publicProps = ['isLoading', 'topVisible', 'topVisibleElement', 'topVisibleScope', 'bottomVisible', 'bottomVisibleElement', 'bottomVisibleScope'];\r\n for (let i = publicProps.length - 1; i >= 0; i--) {\r\n let property, attr = $attr[publicProps[i]];\r\n Object.defineProperty(this, publicProps[i], {\r\n get: () => property,\r\n set: (value) => {\r\n property = value;\r\n this.publicContext[publicProps[i]] = value;\r\n if (attr) {\r\n $parse(attr).assign(this.startScope, value);\r\n }\r\n }\r\n });\r\n }\r\n\r\n // non-read-only public property\r\n Object.defineProperty(this.publicContext, 'disabled', {\r\n get: () => this.disabled,\r\n set: (value) => (!(this.disabled = value)) ? this.adjustBuffer() : null\r\n });\r\n }\r\n\r\n loading(value) {\r\n this['isLoading'] = value;\r\n }\r\n\r\n isBOF() {\r\n return this.buffer.bof;\r\n }\r\n\r\n isEOF() {\r\n return this.buffer.eof;\r\n }\r\n\r\n isEmpty() {\r\n return !this.buffer.length;\r\n }\r\n\r\n append(newItems) {\r\n this.buffer.append(newItems);\r\n this.adjustBuffer();\r\n this.viewport.clipTop();\r\n this.viewport.clipBottom();\r\n }\r\n\r\n prepend(newItems) {\r\n this.buffer.prepend(newItems);\r\n this.adjustBuffer();\r\n this.viewport.clipTop();\r\n this.viewport.clipBottom();\r\n }\r\n\r\n applyUpdates(arg1, arg2) {\r\n if (angular.isFunction(arg1)) {\r\n this.applyUpdatesFunc(arg1);\r\n } else {\r\n this.applyUpdatesIndex(arg1, arg2);\r\n }\r\n this.adjustBuffer();\r\n }\r\n\r\n applyUpdatesFunc(cb) {\r\n this.buffer.slice(0).forEach((wrapper) => {\r\n // we need to do it on the buffer clone, because buffer content\r\n // may change as we iterate through\r\n this.applyUpdate(wrapper, cb(wrapper.item, wrapper.scope, wrapper.element));\r\n });\r\n }\r\n\r\n applyUpdatesIndex(index, newItems) {\r\n if (index % 1 !== 0) { // checking if it is an integer\r\n throw new Error('applyUpdates - ' + index + ' is not a valid index');\r\n }\r\n index -= this.buffer.first;\r\n if ((index >= 0 && index < this.buffer.length)) {\r\n this.applyUpdate(this.buffer[index], newItems);\r\n }\r\n }\r\n\r\n applyUpdate(wrapper, newItems) {\r\n if (!angular.isArray(newItems)) {\r\n return;\r\n }\r\n let position = (this.buffer.indexOf(wrapper));\r\n if (!newItems.reverse().some((newItem) => newItem === wrapper.item)) {\r\n wrapper.op = 'remove';\r\n if(position === 0 && !newItems.length) {\r\n wrapper._op = 'isTop'; // to catch \"first\" edge case on remove\r\n }\r\n }\r\n newItems.forEach((newItem) => {\r\n if (newItem === wrapper.item) {\r\n position--;\r\n } else {\r\n // 3 parameter (isTop) is to catch \"first\" edge case on insert\r\n this.buffer.insert(position + 1, newItem, position === -1);\r\n }\r\n });\r\n }\r\n\r\n calculateProperties() {\r\n let rowTop = null, topHeight = 0;\r\n let topDone = false, bottomDone = false;\r\n const length = this.buffer.length;\r\n\r\n for (let i = 0; i < length; i++) {\r\n const item = this.buffer[i];\r\n const itemTop = item.element.offset().top;\r\n\r\n if (rowTop !== itemTop) { // a new row condition\r\n const itemHeight = item.element.outerHeight(true);\r\n const top = this.viewport.topDataPos() + topHeight + itemHeight;\r\n\r\n if (!topDone && top > this.viewport.topVisiblePos()) {\r\n topDone = true;\r\n this['topVisible'] = item.item;\r\n this['topVisibleElement'] = item.element;\r\n this['topVisibleScope'] = item.scope;\r\n }\r\n if (!bottomDone && (top >= this.viewport.bottomVisiblePos() || (i === length - 1 && this.isEOF()))) {\r\n bottomDone = true;\r\n this['bottomVisible'] = item.item;\r\n this['bottomVisibleElement'] = item.element;\r\n this['bottomVisibleScope'] = item.scope;\r\n }\r\n topHeight += itemHeight;\r\n }\r\n rowTop = itemTop;\r\n\r\n if (topDone && bottomDone) {\r\n break;\r\n }\r\n }\r\n }\r\n\r\n}\r\n\r\nexport default Adapter;\n\n\n// WEBPACK FOOTER //\n// ./src/modules/adapter.js","export default function ScrollBuffer(elementRoutines, bufferSize) {\r\n const buffer = Object.create(Array.prototype);\r\n\r\n angular.extend(buffer, {\r\n size: bufferSize,\r\n\r\n reset(startIndex) {\r\n buffer.remove(0, buffer.length);\r\n buffer.eof = false;\r\n buffer.bof = false;\r\n buffer.first = startIndex;\r\n buffer.next = startIndex;\r\n buffer.minIndex = startIndex;\r\n buffer.maxIndex = startIndex;\r\n buffer.minIndexUser = null;\r\n buffer.maxIndexUser = null;\r\n },\r\n\r\n append(items) {\r\n items.forEach((item) => {\r\n ++buffer.next;\r\n buffer.insert('append', item);\r\n });\r\n buffer.maxIndex = buffer.eof ? buffer.next - 1 : Math.max(buffer.next - 1, buffer.maxIndex);\r\n },\r\n\r\n prepend(items) {\r\n items.reverse().forEach((item) => {\r\n --buffer.first;\r\n buffer.insert('prepend', item);\r\n });\r\n buffer.minIndex = buffer.bof ? buffer.minIndex = buffer.first : Math.min(buffer.first, buffer.minIndex);\r\n },\r\n\r\n /**\r\n * inserts wrapped element in the buffer\r\n * the first argument is either operation keyword (see below) or a number for operation 'insert'\r\n * for insert the number is the index for the buffer element the new one have to be inserted after\r\n * operations: 'append', 'prepend', 'insert', 'remove', 'update', 'none'\r\n */\r\n insert(operation, item, isTop) {\r\n const wrapper = {\r\n item: item\r\n };\r\n\r\n if (operation % 1 === 0) {// it is an insert\r\n wrapper.op = 'insert';\r\n buffer.splice(operation, 0, wrapper);\r\n if(isTop) {\r\n buffer.first--;\r\n }\r\n else {\r\n buffer.next++;\r\n }\r\n } else {\r\n wrapper.op = operation;\r\n switch (operation) {\r\n case 'append':\r\n buffer.push(wrapper);\r\n break;\r\n case 'prepend':\r\n buffer.unshift(wrapper);\r\n break;\r\n }\r\n }\r\n },\r\n\r\n // removes elements from buffer\r\n remove(arg1, arg2) {\r\n if (angular.isNumber(arg1)) {\r\n // removes items from arg1 (including) through arg2 (excluding)\r\n for (let i = arg1; i < arg2; i++) {\r\n elementRoutines.removeElement(buffer[i]);\r\n }\r\n\r\n return buffer.splice(arg1, arg2 - arg1);\r\n }\r\n // removes single item(wrapper) from the buffer\r\n buffer.splice(buffer.indexOf(arg1), 1);\r\n if(arg1._op === 'isTop') {\r\n buffer.first++;\r\n }\r\n else {\r\n buffer.next--;\r\n }\r\n if(!buffer.length) {\r\n buffer.first = 1;\r\n buffer.next = 1;\r\n }\r\n\r\n return elementRoutines.removeElementAnimated(arg1);\r\n },\r\n\r\n effectiveHeight(elements) {\r\n if (!elements.length) {\r\n return 0;\r\n }\r\n let top = Number.MAX_VALUE;\r\n let bottom = Number.NEGATIVE_INFINITY;\r\n elements.forEach((wrapper) => {\r\n if (wrapper.element[0].offsetParent) {\r\n // element style is not display:none\r\n top = Math.min(top, wrapper.element.offset().top);\r\n bottom = Math.max(bottom, wrapper.element.offset().top + wrapper.element.outerHeight(true));\r\n }\r\n });\r\n return Math.max(0, bottom - top);\r\n }\r\n\r\n });\r\n\r\n return buffer;\r\n}\n\n\n// WEBPACK FOOTER //\n// ./src/modules/buffer.js","const hideClassToken = 'ng-ui-scroll-hide';\r\n\r\nfunction addCSSRule(sheet, selector, rules, index) {\r\n if('insertRule' in sheet) {\r\n sheet.insertRule(selector + '{' + rules + '}', index);\r\n }\r\n else if('addRule' in sheet) {\r\n sheet.addRule(selector, rules, index);\r\n }\r\n}\r\n\r\nexport default class ElementRoutines {\r\n\r\n constructor($injector, $q) {\r\n this.$animate = ($injector.has && $injector.has('$animate')) ? $injector.get('$animate') : null;\r\n this.isAngularVersionLessThen1_3 = angular.version.major === 1 && angular.version.minor < 3;\r\n this.$q = $q;\r\n addCSSRule(document.styleSheets[0], '.' + hideClassToken, 'display: none');\r\n }\r\n\r\n hideElement(wrapper) {\r\n wrapper.element.addClass(hideClassToken);\r\n }\r\n\r\n showElement(wrapper) {\r\n wrapper.element.removeClass(hideClassToken);\r\n }\r\n\r\n insertElement(newElement, previousElement) {\r\n previousElement.after(newElement);\r\n return [];\r\n }\r\n\r\n removeElement(wrapper) {\r\n wrapper.element.remove();\r\n wrapper.scope.$destroy();\r\n return [];\r\n }\r\n\r\n insertElementAnimated(newElement, previousElement) {\r\n if (!this.$animate) {\r\n return this.insertElement(newElement, previousElement);\r\n }\r\n\r\n if (this.isAngularVersionLessThen1_3) {\r\n const deferred = this.$q.defer();\r\n // no need for parent - previous element is never null\r\n this.$animate.enter(newElement, null, previousElement, () => deferred.resolve());\r\n\r\n return [deferred.promise];\r\n }\r\n\r\n // no need for parent - previous element is never null\r\n return [this.$animate.enter(newElement, null, previousElement)];\r\n }\r\n\r\n removeElementAnimated(wrapper) {\r\n if (!this.$animate) {\r\n return this.removeElement(wrapper);\r\n }\r\n\r\n if (this.isAngularVersionLessThen1_3) {\r\n const deferred = this.$q.defer();\r\n this.$animate.leave(wrapper.element, () => {\r\n wrapper.scope.$destroy();\r\n return deferred.resolve();\r\n });\r\n\r\n return [deferred.promise];\r\n }\r\n\r\n return [(this.$animate.leave(wrapper.element)).then(() => wrapper.scope.$destroy())];\r\n }\r\n}\n\n\n// WEBPACK FOOTER //\n// ./src/modules/elementRoutines.js","/*!\r\n globals: angular, window\r\n List of used element methods available in JQuery but not in JQuery Lite\r\n element.before(elem)\r\n element.height()\r\n element.outerHeight(true)\r\n element.height(value) = only for Top/Bottom padding elements\r\n element.scrollTop()\r\n element.scrollTop(value)\r\n */\r\n\r\nexport default class JQLiteExtras {\r\n\r\n registerFor(element) {\r\n let convertToPx, css, getStyle, isWindow;\r\n // angular implementation blows up if elem is the window\r\n css = angular.element.prototype.css;\r\n\r\n element.prototype.css = function (name, value) {\r\n let self = this;\r\n let elem = self[0];\r\n if (!(!elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style)) {\r\n return css.call(self, name, value);\r\n }\r\n };\r\n\r\n // as defined in angularjs v1.0.5\r\n isWindow = (obj) => obj && obj.document && obj.location && obj.alert && obj.setInterval;\r\n\r\n function scrollTo(self, direction, value) {\r\n let elem = self[0];\r\n let [method, prop, preserve] = {\r\n top: [\r\n 'scrollTop',\r\n 'pageYOffset',\r\n 'scrollLeft'\r\n ],\r\n left: [\r\n 'scrollLeft',\r\n 'pageXOffset',\r\n 'scrollTop'\r\n ]\r\n }[direction];\r\n\r\n if (isWindow(elem)) {\r\n if (angular.isDefined(value)) {\r\n return elem.scrollTo(self[preserve].call(self), value);\r\n }\r\n return (prop in elem) ? elem[prop] : elem.document.documentElement[method];\r\n } else {\r\n if (angular.isDefined(value)) {\r\n elem[method] = value;\r\n }\r\n return elem[method];\r\n }\r\n }\r\n\r\n if (window.getComputedStyle) {\r\n getStyle = (elem) => window.getComputedStyle(elem, null);\r\n convertToPx = (elem, value) => parseFloat(value);\r\n } else {\r\n getStyle = (elem) => elem.currentStyle;\r\n convertToPx = (elem, value) => {\r\n let left, result, rs, rsLeft, style;\r\n let core_pnum = /[+-]?(?:\\d*\\.|)\\d+(?:[eE][+-]?\\d+|)/.source;\r\n let rnumnonpx = new RegExp('^(' + core_pnum + ')(?!px)[a-z%]+$', 'i');\r\n\r\n if (!rnumnonpx.test(value)) {\r\n return parseFloat(value);\r\n }\r\n\r\n // ported from JQuery\r\n style = elem.style;\r\n left = style.left;\r\n rs = elem.runtimeStyle;\r\n rsLeft = rs && rs.left;\r\n if (rs) {\r\n rs.left = style.left;\r\n }\r\n // put in the new values to get a computed style out\r\n style.left = value;\r\n result = style.pixelLeft;\r\n style.left = left;\r\n if (rsLeft) {\r\n rs.left = rsLeft;\r\n }\r\n return result;\r\n };\r\n }\r\n\r\n function getMeasurements(elem, measure) {\r\n let base, borderA, borderB, computedMarginA, computedMarginB, computedStyle, dirA, dirB, marginA, marginB, paddingA, paddingB;\r\n\r\n if (isWindow(elem)) {\r\n base = document.documentElement[{height: 'clientHeight', width: 'clientWidth'}[measure]];\r\n\r\n return {\r\n base: base,\r\n padding: 0,\r\n border: 0,\r\n margin: 0\r\n };\r\n }\r\n\r\n // Start with offset property\r\n [\r\n base,\r\n dirA,\r\n dirB\r\n ] = {\r\n width: [\r\n elem.offsetWidth,\r\n 'Left',\r\n 'Right'\r\n ],\r\n height: [\r\n elem.offsetHeight,\r\n 'Top',\r\n 'Bottom'\r\n ]\r\n }[measure];\r\n\r\n computedStyle = getStyle(elem);\r\n paddingA = convertToPx(elem, computedStyle['padding' + dirA]) || 0;\r\n paddingB = convertToPx(elem, computedStyle['padding' + dirB]) || 0;\r\n borderA = convertToPx(elem, computedStyle['border' + dirA + 'Width']) || 0;\r\n borderB = convertToPx(elem, computedStyle['border' + dirB + 'Width']) || 0;\r\n computedMarginA = computedStyle['margin' + dirA];\r\n computedMarginB = computedStyle['margin' + dirB];\r\n\r\n // I do not care for width for now, so this hack is irrelevant\r\n // if ( !supportsPercentMargin )\r\n // computedMarginA = hackPercentMargin( elem, computedStyle, computedMarginA )\r\n // computedMarginB = hackPercentMargin( elem, computedStyle, computedMarginB )\r\n marginA = convertToPx(elem, computedMarginA) || 0;\r\n marginB = convertToPx(elem, computedMarginB) || 0;\r\n\r\n return {\r\n base: base,\r\n padding: paddingA + paddingB,\r\n border: borderA + borderB,\r\n margin: marginA + marginB\r\n };\r\n }\r\n\r\n function getWidthHeight(elem, direction, measure) {\r\n let computedStyle, result;\r\n\r\n let measurements = getMeasurements(elem, direction);\r\n\r\n if (measurements.base > 0) {\r\n return {\r\n base: measurements.base - measurements.padding - measurements.border,\r\n outer: measurements.base,\r\n outerfull: measurements.base + measurements.margin\r\n }[measure];\r\n }\r\n\r\n // Fall back to computed then uncomputed css if necessary\r\n computedStyle = getStyle(elem);\r\n result = computedStyle[direction];\r\n\r\n if (result < 0 || result === null) {\r\n result = elem.style[direction] || 0;\r\n }\r\n\r\n // Normalize \"\", auto, and prepare for extra\r\n result = parseFloat(result) || 0;\r\n\r\n return {\r\n base: result - measurements.padding - measurements.border,\r\n outer: result,\r\n outerfull: result + measurements.padding + measurements.border + measurements.margin\r\n }[measure];\r\n }\r\n\r\n // define missing methods\r\n return angular.forEach({\r\n before(newElem) {\r\n var children, elem, i, j, parent, ref, self;\r\n self = this;\r\n elem = self[0];\r\n parent = self.parent();\r\n children = parent.contents();\r\n if (children[0] === elem) {\r\n return parent.prepend(newElem);\r\n } else {\r\n for (i = j = 1, ref = children.length - 1; 1 <= ref ? j <= ref : j >= ref; i = 1 <= ref ? ++j : --j) {\r\n if (children[i] === elem) {\r\n angular.element(children[i - 1]).after(newElem);\r\n return;\r\n }\r\n }\r\n throw new Error('invalid DOM structure ' + elem.outerHTML);\r\n }\r\n },\r\n height (value){\r\n var self;\r\n self = this;\r\n if (angular.isDefined(value)) {\r\n if (angular.isNumber(value)) {\r\n value = value + 'px';\r\n }\r\n return css.call(self, 'height', value);\r\n } else {\r\n return getWidthHeight(this[0], 'height', 'base');\r\n }\r\n },\r\n outerHeight(option) {\r\n return getWidthHeight(this[0], 'height', option ? 'outerfull' : 'outer');\r\n },\r\n outerWidth(option) {\r\n return getWidthHeight(this[0], 'width', option ? 'outerfull' : 'outer');\r\n },\r\n\r\n /*\r\n The offset setter method is not implemented\r\n */\r\n offset(value) {\r\n let docElem, win;\r\n let self = this;\r\n let box = {\r\n top: 0,\r\n left: 0\r\n };\r\n let elem = self[0];\r\n let doc = elem && elem.ownerDocument;\r\n\r\n if (arguments.length) {\r\n if (value === undefined) {\r\n return self;\r\n }\r\n // TODO: implement setter\r\n throw new Error('offset setter method is not implemented');\r\n }\r\n\r\n if (!doc) {\r\n return;\r\n }\r\n\r\n docElem = doc.documentElement;\r\n\r\n // TODO: Make sure it's not a disconnected DOM node\r\n\r\n if (elem.getBoundingClientRect != null) {\r\n box = elem.getBoundingClientRect();\r\n }\r\n\r\n win = doc.defaultView || doc.parentWindow;\r\n\r\n return {\r\n top: box.top + (win.pageYOffset || docElem.scrollTop) - (docElem.clientTop || 0),\r\n left: box.left + (win.pageXOffset || docElem.scrollLeft) - (docElem.clientLeft || 0)\r\n };\r\n },\r\n scrollTop(value) {\r\n return scrollTo(this, 'top', value);\r\n },\r\n scrollLeft(value) {\r\n return scrollTo(this, 'left', value);\r\n }\r\n }, (value, key) => {\r\n if (!element.prototype[key]) {\r\n return element.prototype[key] = value;\r\n }\r\n });\r\n }\r\n\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/modules/jqLiteExtras.js","import Padding from './padding';\r\n\r\nexport default function Viewport(elementRoutines, buffer, element, viewportController, $rootScope, padding) {\r\n let topPadding = null;\r\n let bottomPadding = null;\r\n const viewport = viewportController && viewportController.viewport ? viewportController.viewport : angular.element(window);\r\n const container = viewportController && viewportController.container ? viewportController.container : undefined;\r\n const scope = viewportController && viewportController.scope ? viewportController.scope : $rootScope;\r\n\r\n viewport.css({\r\n 'overflow-anchor': 'none',\r\n 'overflow-y': 'auto',\r\n 'display': 'block'\r\n });\r\n\r\n function bufferPadding() {\r\n return viewport.outerHeight() * padding; // some extra space to initiate preload\r\n }\r\n\r\n angular.extend(viewport, {\r\n getScope() {\r\n return scope;\r\n },\r\n\r\n createPaddingElements(template) {\r\n topPadding = new Padding(template);\r\n bottomPadding = new Padding(template);\r\n element.before(topPadding);\r\n element.after(bottomPadding);\r\n },\r\n\r\n applyContainerStyle() {\r\n if (container && container !== viewport) {\r\n viewport.css('height', window.getComputedStyle(container[0]).height);\r\n }\r\n },\r\n\r\n bottomDataPos() {\r\n let scrollHeight = viewport[0].scrollHeight;\r\n scrollHeight = scrollHeight != null ? scrollHeight : viewport[0].document.documentElement.scrollHeight;\r\n return scrollHeight - bottomPadding.height();\r\n },\r\n\r\n topDataPos() {\r\n return topPadding.height();\r\n },\r\n\r\n bottomVisiblePos() {\r\n return viewport.scrollTop() + viewport.outerHeight();\r\n },\r\n\r\n topVisiblePos() {\r\n return viewport.scrollTop();\r\n },\r\n\r\n insertElement(e, sibling) {\r\n return elementRoutines.insertElement(e, sibling || topPadding);\r\n },\r\n\r\n insertElementAnimated(e, sibling) {\r\n return elementRoutines.insertElementAnimated(e, sibling || topPadding);\r\n },\r\n\r\n shouldLoadBottom() {\r\n return !buffer.eof && viewport.bottomDataPos() < viewport.bottomVisiblePos() + bufferPadding();\r\n },\r\n\r\n clipBottom() {\r\n // clip the invisible items off the bottom\r\n let overage = 0;\r\n let overageHeight = 0;\r\n let itemHeight = 0;\r\n let emptySpaceHeight = viewport.bottomDataPos() - viewport.bottomVisiblePos() - bufferPadding();\r\n\r\n for (let i = buffer.length - 1; i >= 0; i--) {\r\n itemHeight = buffer[i].element.outerHeight(true);\r\n if (overageHeight + itemHeight > emptySpaceHeight) {\r\n break;\r\n }\r\n bottomPadding.cache.add(buffer[i]);\r\n overageHeight += itemHeight;\r\n overage++;\r\n }\r\n\r\n if (overage > 0) {\r\n buffer.eof = false;\r\n buffer.remove(buffer.length - overage, buffer.length);\r\n buffer.next -= overage;\r\n viewport.adjustPaddings();\r\n }\r\n },\r\n\r\n shouldLoadTop() {\r\n return !buffer.bof && (viewport.topDataPos() > viewport.topVisiblePos() - bufferPadding());\r\n },\r\n\r\n clipTop() {\r\n // clip the invisible items off the top\r\n let overage = 0;\r\n let overageHeight = 0;\r\n let itemHeight = 0;\r\n let emptySpaceHeight = viewport.topVisiblePos() - viewport.topDataPos() - bufferPadding();\r\n\r\n for (let i = 0; i < buffer.length; i++) {\r\n itemHeight = buffer[i].element.outerHeight(true);\r\n if (overageHeight + itemHeight > emptySpaceHeight) {\r\n break;\r\n }\r\n topPadding.cache.add(buffer[i]);\r\n overageHeight += itemHeight;\r\n overage++;\r\n }\r\n\r\n if (overage > 0) {\r\n // we need to adjust top padding element before items are removed from top\r\n // to avoid strange behaviour of scroll bar during remove top items when we are at the very bottom\r\n topPadding.height(topPadding.height() + overageHeight);\r\n buffer.bof = false;\r\n buffer.remove(0, overage);\r\n buffer.first += overage;\r\n }\r\n },\r\n\r\n adjustPaddings() {\r\n if (!buffer.length) {\r\n return;\r\n }\r\n\r\n // precise heights calculation, items that were in buffer once\r\n let topPaddingHeight = topPadding.cache.reduce((summ, item) => summ + (item.index < buffer.first ? item.height : 0), 0);\r\n let bottomPaddingHeight = bottomPadding.cache.reduce((summ, item) => summ + (item.index >= buffer.next ? item.height : 0), 0);\r\n\r\n // average item height based on buffer data\r\n let visibleItemsHeight = buffer.reduce((summ, item) => summ + item.element.outerHeight(true), 0);\r\n let averageItemHeight = (visibleItemsHeight + topPaddingHeight + bottomPaddingHeight) / (buffer.maxIndex - buffer.minIndex + 1);\r\n\r\n // average heights calculation, items that have never been reached\r\n let adjustTopPadding = buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser;\r\n let adjustBottomPadding = buffer.maxIndexUser !== null && buffer.maxIndex < buffer.maxIndexUser;\r\n let topPaddingHeightAdd = adjustTopPadding ? (buffer.minIndex - buffer.minIndexUser) * averageItemHeight : 0;\r\n let bottomPaddingHeightAdd = adjustBottomPadding ? (buffer.maxIndexUser - buffer.maxIndex) * averageItemHeight : 0;\r\n\r\n // paddings combine adjustment\r\n topPadding.height(topPaddingHeight + topPaddingHeightAdd);\r\n bottomPadding.height(bottomPaddingHeight + bottomPaddingHeightAdd);\r\n },\r\n\r\n onAfterMinIndexSet(topPaddingHeightOld) {\r\n // additional scrollTop adjustment in case of datasource.minIndex external set\r\n if (buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser) {\r\n let diff = topPadding.height() - topPaddingHeightOld;\r\n viewport.scrollTop(viewport.scrollTop() + diff);\r\n diff -= viewport.scrollTop();\r\n if(diff > 0) {\r\n bottomPadding.height(bottomPadding.height() + diff);\r\n viewport.scrollTop(viewport.scrollTop() + diff);\r\n }\r\n }\r\n },\r\n\r\n onAfterPrepend(updates) {\r\n if (!updates.prepended.length)\r\n return;\r\n const height = buffer.effectiveHeight(updates.prepended);\r\n const paddingHeight = topPadding.height() - height;\r\n if (paddingHeight >= 0) {\r\n topPadding.height(paddingHeight);\r\n }\r\n else {\r\n topPadding.height(0);\r\n viewport.scrollTop(viewport.scrollTop() - paddingHeight);\r\n }\r\n },\r\n\r\n resetTopPadding() {\r\n topPadding.height(0);\r\n topPadding.cache.clear();\r\n },\r\n\r\n resetBottomPadding() {\r\n bottomPadding.height(0);\r\n bottomPadding.cache.clear();\r\n },\r\n\r\n removeItem(item) {\r\n topPadding.cache.remove(item);\r\n bottomPadding.cache.remove(item);\r\n return buffer.remove(item);\r\n }\r\n });\r\n\r\n return viewport;\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/modules/viewport.js","// Can't just extend the Array, due to Babel does not support built-in classes extending\r\n// This solution was taken from https://stackoverflow.com/questions/46897414/es6-class-extends-array-workaround-for-es5-babel-transpile\r\nclass CacheProto {\r\n add(item) {\r\n for (let i = this.length - 1; i >= 0; i--) {\r\n if (this[i].index === item.scope.$index) {\r\n this[i].height = item.element.outerHeight();\r\n return;\r\n }\r\n }\r\n this.push({\r\n index: item.scope.$index,\r\n height: item.element.outerHeight()\r\n });\r\n this.sort((a, b) => ((a.index < b.index) ? -1 : ((a.index > b.index) ? 1 : 0)));\r\n }\r\n\r\n remove(itemToRemove) {\r\n for (let i = this.length - 1; i >= 0; i--) {\r\n if (this[i].index === itemToRemove.scope.$index) {\r\n this.splice(i, 1);\r\n break;\r\n }\r\n }\r\n if(itemToRemove._op !== 'isTop') {\r\n for (let i = this.length - 1; i >= 0; i--) {\r\n if (this[i].index > itemToRemove.scope.$index) {\r\n this[i].index--;\r\n }\r\n }\r\n }\r\n }\r\n\r\n clear() {\r\n this.length = 0;\r\n }\r\n}\r\n\r\nfunction Cache() {\r\n const instance = [];\r\n instance.push.apply(instance, arguments);\r\n Object.setPrototypeOf(instance, Cache.prototype);\r\n return instance;\r\n}\r\nCache.prototype = Object.create(Array.prototype);\r\nObject.getOwnPropertyNames(CacheProto.prototype).forEach(methodName =>\r\n Cache.prototype[methodName] = CacheProto.prototype[methodName]\r\n);\r\n\r\nexport default function Padding(template) {\r\n let result;\r\n\r\n if(template.nodeType !== Node.ELEMENT_NODE) {\r\n throw new Error('ui-scroll directive requires an Element node for templating the view');\r\n }\r\n\r\n switch (template.tagName.toLowerCase()) {\r\n case 'dl':\r\n throw new Error(`ui-scroll directive does not support <${template.tagName}> as a repeating tag: ${template.outerHTML}`);\r\n case 'tr':\r\n let table = angular.element('
    ');\r\n result = table.find('tr');\r\n break;\r\n case 'li':\r\n result = angular.element('
  • ');\r\n break;\r\n default:\r\n result = angular.element('
    ');\r\n }\r\n\r\n result.cache = new Cache();\r\n\r\n return result;\r\n}\n\n\n// WEBPACK FOOTER //\n// ./src/modules/padding.js","import JQLiteExtras from './modules/jqLiteExtras';\nimport ElementRoutines from './modules/elementRoutines.js';\nimport ScrollBuffer from './modules/buffer.js';\nimport Viewport from './modules/viewport.js';\nimport Adapter from './modules/adapter.js';\n\nangular.module('ui.scroll', [])\n\n .service('jqLiteExtras', () => new JQLiteExtras())\n .run(['jqLiteExtras', (jqLiteExtras) =>\n !window.jQuery ? jqLiteExtras.registerFor(angular.element) : null\n ])\n\n .directive('uiScrollViewport', function () {\n return {\n restrict: 'A',\n controller: [\n '$scope',\n '$element',\n function (scope, element) {\n this.container = element;\n this.viewport = element;\n this.scope = scope;\n\n angular.forEach(element.children(), (child => {\n if (child.tagName.toLowerCase() === 'tbody') {\n this.viewport = angular.element(child);\n }\n }));\n\n return this;\n }\n ]\n };\n })\n\n .directive('uiScroll', [\n '$log',\n '$injector',\n '$rootScope',\n '$timeout',\n '$q',\n '$parse',\n function (console, $injector, $rootScope, $timeout, $q, $parse) {\n\n return {\n require: ['?^uiScrollViewport'],\n restrict: 'A',\n transclude: 'element',\n priority: 1000,\n terminal: true,\n link: link\n };\n\n function link($scope, element, $attr, controllers, linker) {\n const match = $attr.uiScroll.match(/^\\s*(\\w+)\\s+in\\s+([(\\w|\\$)\\.]+)\\s*$/);\n if (!match) {\n throw new Error('Expected uiScroll in form of \\'_item_ in _datasource_\\' but got \\'' + $attr.uiScroll + '\\'');\n }\n\n function parseNumericAttr(value, defaultValue) {\n let result = $parse(value)($scope);\n return isNaN(result) ? defaultValue : result;\n }\n\n const BUFFER_MIN = 3;\n const BUFFER_DEFAULT = 10;\n const PADDING_MIN = 0.3;\n const PADDING_DEFAULT = 0.5;\n\n let datasource = null;\n const itemName = match[1];\n const datasourceName = match[2];\n const viewportController = controllers[0];\n const bufferSize = Math.max(BUFFER_MIN, parseNumericAttr($attr.bufferSize, BUFFER_DEFAULT));\n const padding = Math.max(PADDING_MIN, parseNumericAttr($attr.padding, PADDING_DEFAULT));\n let startIndex = parseNumericAttr($attr.startIndex, 1);\n let ridActual = 0;// current data revision id\n let pending = [];\n\n let elementRoutines = new ElementRoutines($injector, $q);\n let buffer = new ScrollBuffer(elementRoutines, bufferSize);\n let viewport = new Viewport(elementRoutines, buffer, element, viewportController, $rootScope, padding);\n let adapter = new Adapter(viewport, buffer, adjustBuffer, reload, $attr, $parse, element, $scope);\n\n if (viewportController) {\n viewportController.adapter = adapter;\n }\n\n let isDatasourceValid = () => angular.isObject(datasource) && angular.isFunction(datasource.get);\n datasource = $parse(datasourceName)($scope); // try to get datasource on scope\n if (!isDatasourceValid()) {\n datasource = $injector.get(datasourceName); // try to inject datasource as service\n if (!isDatasourceValid()) {\n throw new Error(datasourceName + ' is not a valid datasource');\n }\n }\n\n let onRenderHandlers = [];\n function onRenderHandlersRunner() {\n if(onRenderHandlers.length) {\n angular.forEach(onRenderHandlers, (handler) => handler());\n onRenderHandlers = [];\n }\n }\n function preDefineIndexProperty(datasource, propName) {\n let getter;\n // need to postpone min/maxIndexUser processing if the view is empty\n if(datasource.hasOwnProperty(propName) && !buffer.length) {\n getter = datasource[propName];\n delete datasource[propName];\n onRenderHandlers.push(() => datasource[propName] = getter);\n }\n }\n\n function defineIndexProperty(datasource, propName, propUserName) {\n let descriptor = Object.getOwnPropertyDescriptor(datasource, propName);\n if (descriptor && (descriptor.set || descriptor.get)) {\n return;\n }\n let getter;\n preDefineIndexProperty(datasource, propName);\n Object.defineProperty(datasource, propName, {\n set: (value) => {\n getter = value;\n buffer[propUserName] = value;\n let topPaddingHeightOld = viewport.topDataPos();\n viewport.adjustPaddings();\n if (propName === 'minIndex') {\n viewport.onAfterMinIndexSet(topPaddingHeightOld);\n }\n },\n get: () => getter\n });\n }\n\n defineIndexProperty(datasource, 'minIndex', 'minIndexUser');\n defineIndexProperty(datasource, 'maxIndex', 'maxIndexUser');\n\n const fetchNext = (datasource.get.length !== 2) ?\n (success) => datasource.get(buffer.next, bufferSize, success) :\n (success) => {\n datasource.get({\n index: buffer.next,\n append: buffer.length ? buffer[buffer.length - 1].item : void 0,\n count: bufferSize\n }, success);\n };\n\n const fetchPrevious = (datasource.get.length !== 2) ?\n (success) => datasource.get(buffer.first - bufferSize, bufferSize, success) :\n (success) => {\n datasource.get({\n index: buffer.first - bufferSize,\n prepend: buffer.length ? buffer[0].item : void 0,\n count: bufferSize\n }, success);\n };\n\n /**\n * Build padding elements\n *\n * Calling linker is the only way I found to get access to the tag name of the template\n * to prevent the directive scope from pollution a new scope is created and destroyed\n * right after the builder creation is completed\n */\n linker((clone, scope) => {\n viewport.createPaddingElements(clone[0]);\n // we do not include the clone in the DOM. It means that the nested directives will not\n // be able to reach the parent directives, but in this case it is intentional because we\n // created the clone to access the template tag name\n scope.$destroy();\n clone.remove();\n });\n\n $scope.$on('$destroy', () => {\n unbindEvents();\n viewport.unbind('mousewheel', wheelHandler);\n });\n\n viewport.bind('mousewheel', wheelHandler);\n\n $timeout(() => {\n viewport.applyContainerStyle();\n reload();\n });\n\n /* Private function definitions */\n\n function isInvalid(rid) {\n return (rid && rid !== ridActual) || $scope.$$destroyed;\n }\n\n function bindEvents() {\n viewport.bind('resize', resizeAndScrollHandler);\n viewport.bind('scroll', resizeAndScrollHandler);\n }\n\n function unbindEvents() {\n viewport.unbind('resize', resizeAndScrollHandler);\n viewport.unbind('scroll', resizeAndScrollHandler);\n }\n\n function reload() {\n viewport.resetTopPadding();\n viewport.resetBottomPadding();\n if (arguments.length) {\n startIndex = arguments[0];\n }\n buffer.reset(startIndex);\n adjustBuffer();\n }\n\n function isElementVisible(wrapper) {\n return wrapper.element.height() && wrapper.element[0].offsetParent;\n }\n\n function visibilityWatcher(wrapper) {\n if (isElementVisible(wrapper)) {\n buffer.forEach((item) => {\n if (angular.isFunction(item.unregisterVisibilityWatcher)) {\n item.unregisterVisibilityWatcher();\n delete item.unregisterVisibilityWatcher;\n }\n });\n if (!pending.length) {\n $timeout(() => adjustBuffer());\n }\n }\n }\n\n function insertWrapperContent(wrapper, insertAfter) {\n createElement(wrapper, insertAfter, viewport.insertElement);\n if (!isElementVisible(wrapper)) {\n wrapper.unregisterVisibilityWatcher = wrapper.scope.$watch(() => visibilityWatcher(wrapper));\n }\n elementRoutines.hideElement(wrapper); // hide inserted elements before data binding\n }\n\n function createElement(wrapper, insertAfter, insertElement) {\n let promises = null;\n let sibling = (insertAfter > 0) ? buffer[insertAfter - 1].element : undefined;\n linker((clone, scope) => {\n promises = insertElement(clone, sibling);\n wrapper.element = clone;\n wrapper.scope = scope;\n scope[itemName] = wrapper.item;\n });\n // ui-scroll-grid apply\n if (adapter.transform) {\n let tdInitializer = wrapper.scope.uiScrollTdInitializer;\n if (tdInitializer && tdInitializer.linking) {\n adapter.transform(wrapper.scope, wrapper.element);\n } else {\n wrapper.scope.uiScrollTdInitializer = {\n onLink: () => adapter.transform(wrapper.scope, wrapper.element),\n scope: wrapper.scope\n };\n }\n }\n return promises;\n }\n\n function updateDOM() {\n let promises = [];\n const toBePrepended = [];\n const toBeRemoved = [];\n const inserted = [];\n\n buffer.forEach((wrapper, i) => {\n switch (wrapper.op) {\n case 'prepend':\n toBePrepended.unshift(wrapper);\n break;\n case 'append':\n insertWrapperContent(wrapper, i);\n wrapper.op = 'none';\n inserted.push(wrapper);\n break;\n case 'insert':\n promises = promises.concat(createElement(wrapper, i, viewport.insertElementAnimated));\n wrapper.op = 'none';\n inserted.push(wrapper);\n break;\n case 'remove':\n toBeRemoved.push(wrapper);\n }\n });\n\n toBeRemoved.forEach((wrapper) => promises = promises.concat(viewport.removeItem(wrapper)));\n\n if (toBePrepended.length)\n toBePrepended.forEach((wrapper) => {\n insertWrapperContent(wrapper);\n wrapper.op = 'none';\n });\n\n buffer.forEach((item, i) => item.scope.$index = buffer.first + i);\n\n return {\n prepended: toBePrepended,\n removed: toBeRemoved,\n inserted: inserted,\n animated: promises\n };\n\n }\n\n function updatePaddings(rid, updates) {\n // schedule another adjustBuffer after animation completion\n if (updates.animated.length) {\n $q.all(updates.animated).then(() => {\n viewport.adjustPaddings();\n adjustBuffer(rid);\n });\n } else {\n viewport.adjustPaddings();\n }\n }\n\n function enqueueFetch(rid, updates) {\n if (viewport.shouldLoadBottom()) {\n if (!updates || buffer.effectiveHeight(updates.inserted) > 0) {\n // this means that at least one item appended in the last batch has height > 0\n if (pending.push(true) === 1) {\n adapter.loading(true);\n fetch(rid);\n }\n }\n } else if (viewport.shouldLoadTop()) {\n if ((!updates || buffer.effectiveHeight(updates.prepended) > 0) || pending[0]) {\n // this means that at least one item appended in the last batch has height > 0\n // pending[0] = true means that previous fetch was appending. We need to force at least one prepend\n // BTW there will always be at least 1 element in the pending array because bottom is fetched first\n if (pending.push(false) === 1) {\n adapter.loading(true);\n fetch(rid);\n }\n }\n }\n }\n\n function processUpdates() {\n const updates = updateDOM();\n\n // We need the item bindings to be processed before we can do adjustments\n !$scope.$$phase && !$scope.$root.$$phase && $scope.$digest();\n\n updates.inserted.forEach(w => elementRoutines.showElement(w));\n updates.prepended.forEach(w => elementRoutines.showElement(w));\n return updates;\n }\n\n function adjustBuffer(rid) {\n if (!rid) { // dismiss pending requests\n pending = [];\n rid = ++ridActual;\n }\n\n const updates = processUpdates();\n\n if (isInvalid(rid)) {\n return;\n }\n\n updatePaddings(rid, updates);\n enqueueFetch(rid);\n\n if (!pending.length) {\n adapter.calculateProperties();\n }\n }\n\n function adjustBufferAfterFetch(rid) {\n const updates = processUpdates();\n\n viewport.onAfterPrepend(updates);\n\n if (isInvalid(rid)) {\n return;\n }\n\n updatePaddings(rid, updates);\n onRenderHandlersRunner();\n enqueueFetch(rid, updates);\n pending.shift();\n\n if (pending.length)\n fetch(rid);\n else {\n adapter.loading(false);\n bindEvents();\n adapter.calculateProperties();\n }\n }\n\n function fetch(rid) {\n if (pending[0]) {// scrolling down\n if (buffer.length && !viewport.shouldLoadBottom()) {\n adjustBufferAfterFetch(rid);\n } else {\n fetchNext((result) => {\n if (isInvalid(rid)) {\n return;\n }\n\n if (result.length < bufferSize) {\n buffer.eof = true;\n }\n\n if (result.length > 0) {\n viewport.clipTop();\n buffer.append(result);\n }\n\n adjustBufferAfterFetch(rid);\n });\n }\n } else { // scrolling up\n if (buffer.length && !viewport.shouldLoadTop()) {\n adjustBufferAfterFetch(rid);\n } else {\n fetchPrevious((result) => {\n if (isInvalid(rid)) {\n return;\n }\n\n if (result.length < bufferSize) {\n buffer.bof = true;\n // log 'bof is reached'\n 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strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction getCtrlOnData(attr, element) {\n var onSyntax = attr.match(/^(.+)(\\s+on\\s+)(.+)?/);\n if (onSyntax && onSyntax.length === 4) {\n window.console.log('Angular ui-scroll adapter assignment warning. \"Controller On\" syntax has been deprecated since ui-scroll v1.6.1.');\n var ctrl = onSyntax[3];\n var tail = onSyntax[1];\n var candidate = element;\n while (candidate.length) {\n var candidateScope = candidate.scope(); // doesn't work when debugInfoEnabled flag = true\n var candidateName = (candidate.attr('ng-controller') || '').match(/(\\w(?:\\w|\\d)*)(?:\\s+as\\s+(\\w(?:\\w|\\d)*))?/);\n if (candidateName && candidateName[1] === ctrl) {\n return {\n target: candidateScope,\n source: tail\n };\n }\n candidate = candidate.parent();\n }\n throw new Error('Angular ui-scroll adapter assignment error. 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this;\n\n this.buffer.slice(0).forEach(function (wrapper) {\n // we need to do it on the buffer clone, because buffer content\n // may change as we iterate through\n _this2.applyUpdate(wrapper, cb(wrapper.item, wrapper.scope, wrapper.element));\n });\n }\n }, {\n key: 'applyUpdatesIndex',\n value: function applyUpdatesIndex(index, newItems) {\n if (index % 1 !== 0) {\n // checking if it is an integer\n throw new Error('applyUpdates - ' + index + ' is not a valid index');\n }\n index -= this.buffer.first;\n if (index >= 0 && index < this.buffer.length) {\n this.applyUpdate(this.buffer[index], newItems);\n }\n }\n }, {\n key: 'applyUpdate',\n value: function applyUpdate(wrapper, newItems) {\n var _this3 = this;\n\n if (!angular.isArray(newItems)) {\n return;\n }\n var position = this.buffer.indexOf(wrapper);\n if (!newItems.reverse().some(function (newItem) {\n return newItem === wrapper.item;\n })) {\n wrapper.op = 'remove';\n if (position === 0 && !newItems.length) {\n wrapper._op = 'isTop'; // to catch \"first\" edge case on remove\n }\n }\n newItems.forEach(function (newItem) {\n if (newItem === wrapper.item) {\n position--;\n } else {\n // 3 parameter (isTop) is to catch \"first\" edge case on insert\n _this3.buffer.insert(position + 1, newItem, position === -1);\n }\n });\n }\n }, {\n key: 'calculateProperties',\n value: function calculateProperties() {\n var rowTop = null,\n topHeight = 0;\n var topDone = false,\n bottomDone = false;\n var length = this.buffer.length;\n\n for (var i = 0; i < length; i++) {\n var item = this.buffer[i];\n var itemTop = item.element.offset().top;\n\n if (rowTop !== itemTop) {\n // a new row condition\n var itemHeight = item.element.outerHeight(true);\n var top = this.viewport.topDataPos() + topHeight + itemHeight;\n\n if (!topDone && top > this.viewport.topVisiblePos()) {\n topDone = true;\n this['topVisible'] = item.item;\n this['topVisibleElement'] = item.element;\n this['topVisibleScope'] = item.scope;\n }\n if (!bottomDone && (top >= this.viewport.bottomVisiblePos() || i === length - 1 && this.isEOF())) {\n bottomDone = true;\n this['bottomVisible'] = item.item;\n this['bottomVisibleElement'] = item.element;\n this['bottomVisibleScope'] = item.scope;\n }\n topHeight += itemHeight;\n }\n rowTop = itemTop;\n\n if (topDone && bottomDone) {\n break;\n }\n }\n }\n }]);\n\n return Adapter;\n}();\n\nexports.default = Adapter;\n\n/***/ }),\n/* 1 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.default = ScrollBuffer;\nfunction ScrollBuffer(elementRoutines, bufferSize) {\n var buffer = Object.create(Array.prototype);\n\n angular.extend(buffer, {\n size: bufferSize,\n\n reset: function reset(startIndex) {\n buffer.remove(0, buffer.length);\n buffer.eof = false;\n buffer.bof = false;\n buffer.first = startIndex;\n buffer.next = startIndex;\n buffer.minIndex = startIndex;\n buffer.maxIndex = startIndex;\n buffer.minIndexUser = null;\n buffer.maxIndexUser = null;\n },\n append: function append(items) {\n items.forEach(function (item) {\n ++buffer.next;\n buffer.insert('append', item);\n });\n buffer.maxIndex = buffer.eof ? buffer.next - 1 : Math.max(buffer.next - 1, buffer.maxIndex);\n },\n prepend: function prepend(items) {\n items.reverse().forEach(function (item) {\n --buffer.first;\n buffer.insert('prepend', item);\n });\n buffer.minIndex = buffer.bof ? buffer.minIndex = buffer.first : Math.min(buffer.first, buffer.minIndex);\n },\n\n\n /**\r\n * inserts wrapped element in the buffer\r\n * the first argument is either operation keyword (see below) or a number for operation 'insert'\r\n * for insert the number is the index for the buffer element the new one have to be inserted after\r\n * operations: 'append', 'prepend', 'insert', 'remove', 'update', 'none'\r\n */\n insert: function insert(operation, item, isTop) {\n var wrapper = {\n item: item\n };\n\n if (operation % 1 === 0) {\n // it is an insert\n wrapper.op = 'insert';\n buffer.splice(operation, 0, wrapper);\n if (isTop) {\n buffer.first--;\n } else {\n buffer.next++;\n }\n } else {\n wrapper.op = operation;\n switch (operation) {\n case 'append':\n buffer.push(wrapper);\n break;\n case 'prepend':\n buffer.unshift(wrapper);\n break;\n }\n }\n },\n\n\n // removes elements from buffer\n remove: function remove(arg1, arg2) {\n if (angular.isNumber(arg1)) {\n // removes items from arg1 (including) through arg2 (excluding)\n for (var i = arg1; i < arg2; i++) {\n elementRoutines.removeElement(buffer[i]);\n }\n\n return buffer.splice(arg1, arg2 - arg1);\n }\n // removes single item(wrapper) from the buffer\n buffer.splice(buffer.indexOf(arg1), 1);\n if (arg1._op === 'isTop') {\n buffer.first++;\n } else {\n buffer.next--;\n }\n if (!buffer.length) {\n buffer.first = 1;\n buffer.next = 1;\n }\n\n return elementRoutines.removeElementAnimated(arg1);\n },\n effectiveHeight: function effectiveHeight(elements) {\n if (!elements.length) {\n return 0;\n }\n var top = Number.MAX_VALUE;\n var bottom = Number.NEGATIVE_INFINITY;\n elements.forEach(function (wrapper) {\n if (wrapper.element[0].offsetParent) {\n // element style is not display:none\n top = Math.min(top, wrapper.element.offset().top);\n bottom = Math.max(bottom, wrapper.element.offset().top + wrapper.element.outerHeight(true));\n }\n });\n return Math.max(0, bottom - top);\n }\n });\n\n return buffer;\n}\n\n/***/ }),\n/* 2 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nvar hideClassToken = 'ng-ui-scroll-hide';\n\nfunction addCSSRule(sheet, selector, rules, index) {\n if ('insertRule' in sheet) {\n sheet.insertRule(selector + '{' + rules + '}', index);\n } else if ('addRule' in sheet) {\n sheet.addRule(selector, rules, index);\n }\n}\n\nvar ElementRoutines = function () {\n function ElementRoutines($injector, $q) {\n _classCallCheck(this, ElementRoutines);\n\n this.$animate = $injector.has && $injector.has('$animate') ? $injector.get('$animate') : null;\n this.isAngularVersionLessThen1_3 = angular.version.major === 1 && angular.version.minor < 3;\n this.$q = $q;\n addCSSRule(document.styleSheets[0], '.' + hideClassToken, 'display: none');\n }\n\n _createClass(ElementRoutines, [{\n key: 'hideElement',\n value: function hideElement(wrapper) {\n wrapper.element.addClass(hideClassToken);\n }\n }, {\n key: 'showElement',\n value: function showElement(wrapper) {\n wrapper.element.removeClass(hideClassToken);\n }\n }, {\n key: 'insertElement',\n value: function insertElement(newElement, previousElement) {\n previousElement.after(newElement);\n return [];\n }\n }, {\n key: 'removeElement',\n value: function removeElement(wrapper) {\n wrapper.element.remove();\n wrapper.scope.$destroy();\n return [];\n }\n }, {\n key: 'insertElementAnimated',\n value: function insertElementAnimated(newElement, previousElement) {\n if (!this.$animate) {\n return this.insertElement(newElement, previousElement);\n }\n\n if (this.isAngularVersionLessThen1_3) {\n var deferred = this.$q.defer();\n // no need for parent - previous element is never null\n this.$animate.enter(newElement, null, previousElement, function () {\n return deferred.resolve();\n });\n\n return [deferred.promise];\n }\n\n // no need for parent - previous element is never null\n return [this.$animate.enter(newElement, null, previousElement)];\n }\n }, {\n key: 'removeElementAnimated',\n value: function removeElementAnimated(wrapper) {\n if (!this.$animate) {\n return this.removeElement(wrapper);\n }\n\n if (this.isAngularVersionLessThen1_3) {\n var deferred = this.$q.defer();\n this.$animate.leave(wrapper.element, function () {\n wrapper.scope.$destroy();\n return deferred.resolve();\n });\n\n return [deferred.promise];\n }\n\n return [this.$animate.leave(wrapper.element).then(function () {\n return wrapper.scope.$destroy();\n })];\n }\n }]);\n\n return ElementRoutines;\n}();\n\nexports.default = ElementRoutines;\n\n/***/ }),\n/* 3 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i[\"return\"]) _i[\"return\"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError(\"Invalid attempt to destructure non-iterable instance\"); } }; }();\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\n/*!\r\n globals: angular, window\r\n List of used element methods available in JQuery but not in JQuery Lite\r\n element.before(elem)\r\n element.height()\r\n element.outerHeight(true)\r\n element.height(value) = only for Top/Bottom padding elements\r\n element.scrollTop()\r\n element.scrollTop(value)\r\n */\n\nvar JQLiteExtras = function () {\n function JQLiteExtras() {\n _classCallCheck(this, JQLiteExtras);\n }\n\n _createClass(JQLiteExtras, [{\n key: 'registerFor',\n value: function registerFor(element) {\n var convertToPx = void 0,\n css = void 0,\n getStyle = void 0,\n isWindow = void 0;\n // angular implementation blows up if elem is the window\n css = angular.element.prototype.css;\n\n element.prototype.css = function (name, value) {\n var self = this;\n var elem = self[0];\n if (!(!elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style)) {\n return css.call(self, name, value);\n }\n };\n\n // as defined in angularjs v1.0.5\n isWindow = function isWindow(obj) {\n return obj && obj.document && obj.location && obj.alert && obj.setInterval;\n };\n\n function scrollTo(self, direction, value) {\n var elem = self[0];\n\n var _top$left$direction = _slicedToArray({\n top: ['scrollTop', 'pageYOffset', 'scrollLeft'],\n left: ['scrollLeft', 'pageXOffset', 'scrollTop']\n }[direction], 3),\n method = _top$left$direction[0],\n prop = _top$left$direction[1],\n preserve = _top$left$direction[2];\n\n if (isWindow(elem)) {\n if (angular.isDefined(value)) {\n return elem.scrollTo(self[preserve].call(self), value);\n }\n return prop in elem ? elem[prop] : elem.document.documentElement[method];\n } else {\n if (angular.isDefined(value)) {\n elem[method] = value;\n }\n return elem[method];\n }\n }\n\n if (window.getComputedStyle) {\n getStyle = function getStyle(elem) {\n return window.getComputedStyle(elem, null);\n };\n convertToPx = function convertToPx(elem, value) {\n return parseFloat(value);\n };\n } else {\n getStyle = function getStyle(elem) {\n return elem.currentStyle;\n };\n convertToPx = function convertToPx(elem, value) {\n var left = void 0,\n result = void 0,\n rs = void 0,\n rsLeft = void 0,\n style = void 0;\n var core_pnum = /[+-]?(?:\\d*\\.|)\\d+(?:[eE][+-]?\\d+|)/.source;\n var rnumnonpx = new RegExp('^(' + core_pnum + ')(?!px)[a-z%]+$', 'i');\n\n if (!rnumnonpx.test(value)) {\n return parseFloat(value);\n }\n\n // ported from JQuery\n style = elem.style;\n left = style.left;\n rs = elem.runtimeStyle;\n rsLeft = rs && rs.left;\n if (rs) {\n rs.left = style.left;\n }\n // put in the new values to get a computed style out\n style.left = value;\n result = style.pixelLeft;\n style.left = left;\n if (rsLeft) {\n rs.left = rsLeft;\n }\n return result;\n };\n }\n\n function getMeasurements(elem, measure) {\n var base = void 0,\n borderA = void 0,\n borderB = void 0,\n computedMarginA = void 0,\n computedMarginB = void 0,\n computedStyle = void 0,\n dirA = void 0,\n dirB = void 0,\n marginA = void 0,\n marginB = void 0,\n paddingA = void 0,\n paddingB = void 0;\n\n if (isWindow(elem)) {\n base = document.documentElement[{ height: 'clientHeight', width: 'clientWidth' }[measure]];\n\n return {\n base: base,\n padding: 0,\n border: 0,\n margin: 0\n };\n }\n\n // Start with offset property\n\n var _width$height$measure = _slicedToArray({\n width: [elem.offsetWidth, 'Left', 'Right'],\n height: [elem.offsetHeight, 'Top', 'Bottom']\n }[measure], 3);\n\n base = _width$height$measure[0];\n dirA = _width$height$measure[1];\n dirB = _width$height$measure[2];\n\n\n computedStyle = getStyle(elem);\n paddingA = convertToPx(elem, computedStyle['padding' + dirA]) || 0;\n paddingB = convertToPx(elem, computedStyle['padding' + dirB]) || 0;\n borderA = convertToPx(elem, computedStyle['border' + dirA + 'Width']) || 0;\n borderB = convertToPx(elem, computedStyle['border' + dirB + 'Width']) || 0;\n computedMarginA = computedStyle['margin' + dirA];\n computedMarginB = computedStyle['margin' + dirB];\n\n // I do not care for width for now, so this hack is irrelevant\n // if ( !supportsPercentMargin )\n // computedMarginA = hackPercentMargin( elem, computedStyle, computedMarginA )\n // computedMarginB = hackPercentMargin( elem, computedStyle, computedMarginB )\n marginA = convertToPx(elem, computedMarginA) || 0;\n marginB = convertToPx(elem, computedMarginB) || 0;\n\n return {\n base: base,\n padding: paddingA + paddingB,\n border: borderA + borderB,\n margin: marginA + marginB\n };\n }\n\n function getWidthHeight(elem, direction, measure) {\n var computedStyle = void 0,\n result = void 0;\n\n var measurements = getMeasurements(elem, direction);\n\n if (measurements.base > 0) {\n return {\n base: measurements.base - measurements.padding - measurements.border,\n outer: measurements.base,\n outerfull: measurements.base + measurements.margin\n }[measure];\n }\n\n // Fall back to computed then uncomputed css if necessary\n computedStyle = getStyle(elem);\n result = computedStyle[direction];\n\n if (result < 0 || result === null) {\n result = elem.style[direction] || 0;\n }\n\n // Normalize \"\", auto, and prepare for extra\n result = parseFloat(result) || 0;\n\n return {\n base: result - measurements.padding - measurements.border,\n outer: result,\n outerfull: result + measurements.padding + measurements.border + measurements.margin\n }[measure];\n }\n\n // define missing methods\n return angular.forEach({\n before: function before(newElem) {\n var children, elem, i, j, parent, ref, self;\n self = this;\n elem = self[0];\n parent = self.parent();\n children = parent.contents();\n if (children[0] === elem) {\n return parent.prepend(newElem);\n } else {\n for (i = j = 1, ref = children.length - 1; 1 <= ref ? j <= ref : j >= ref; i = 1 <= ref ? ++j : --j) {\n if (children[i] === elem) {\n angular.element(children[i - 1]).after(newElem);\n return;\n }\n }\n throw new Error('invalid DOM structure ' + elem.outerHTML);\n }\n },\n height: function height(value) {\n var self;\n self = this;\n if (angular.isDefined(value)) {\n if (angular.isNumber(value)) {\n value = value + 'px';\n }\n return css.call(self, 'height', value);\n } else {\n return getWidthHeight(this[0], 'height', 'base');\n }\n },\n outerHeight: function outerHeight(option) {\n return getWidthHeight(this[0], 'height', option ? 'outerfull' : 'outer');\n },\n outerWidth: function outerWidth(option) {\n return getWidthHeight(this[0], 'width', option ? 'outerfull' : 'outer');\n },\n\n\n /*\r\n The offset setter method is not implemented\r\n */\n offset: function offset(value) {\n var docElem = void 0,\n win = void 0;\n var self = this;\n var box = {\n top: 0,\n left: 0\n };\n var elem = self[0];\n var doc = elem && elem.ownerDocument;\n\n if (arguments.length) {\n if (value === undefined) {\n return self;\n }\n // TODO: implement setter\n throw new Error('offset setter method is not implemented');\n }\n\n if (!doc) {\n return;\n }\n\n docElem = doc.documentElement;\n\n // TODO: Make sure it's not a disconnected DOM node\n\n if (elem.getBoundingClientRect != null) {\n box = elem.getBoundingClientRect();\n }\n\n win = doc.defaultView || doc.parentWindow;\n\n return {\n top: box.top + (win.pageYOffset || docElem.scrollTop) - (docElem.clientTop || 0),\n left: box.left + (win.pageXOffset || docElem.scrollLeft) - (docElem.clientLeft || 0)\n };\n },\n scrollTop: function scrollTop(value) {\n return scrollTo(this, 'top', value);\n },\n scrollLeft: function scrollLeft(value) {\n return scrollTo(this, 'left', value);\n }\n }, function (value, key) {\n if (!element.prototype[key]) {\n return element.prototype[key] = value;\n }\n });\n }\n }]);\n\n return JQLiteExtras;\n}();\n\nexports.default = JQLiteExtras;\n\n/***/ }),\n/* 4 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\nexports.default = Viewport;\n\nvar _padding = __webpack_require__(5);\n\nvar _padding2 = _interopRequireDefault(_padding);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction Viewport(elementRoutines, buffer, element, viewportController, $rootScope, padding) {\n var topPadding = null;\n var bottomPadding = null;\n var viewport = viewportController && viewportController.viewport ? viewportController.viewport : angular.element(window);\n var container = viewportController && viewportController.container ? viewportController.container : undefined;\n var scope = viewportController && viewportController.scope ? viewportController.scope : $rootScope;\n\n viewport.css({\n 'overflow-anchor': 'none',\n 'overflow-y': 'auto',\n 'display': 'block'\n });\n\n function bufferPadding() {\n return viewport.outerHeight() * padding; // some extra space to initiate preload\n }\n\n angular.extend(viewport, {\n getScope: function getScope() {\n return scope;\n },\n createPaddingElements: function createPaddingElements(template) {\n topPadding = new _padding2.default(template);\n bottomPadding = new _padding2.default(template);\n element.before(topPadding);\n element.after(bottomPadding);\n },\n applyContainerStyle: function applyContainerStyle() {\n if (container && container !== viewport) {\n viewport.css('height', window.getComputedStyle(container[0]).height);\n }\n },\n bottomDataPos: function bottomDataPos() {\n var scrollHeight = viewport[0].scrollHeight;\n scrollHeight = scrollHeight != null ? scrollHeight : viewport[0].document.documentElement.scrollHeight;\n return scrollHeight - bottomPadding.height();\n },\n topDataPos: function topDataPos() {\n return topPadding.height();\n },\n bottomVisiblePos: function bottomVisiblePos() {\n return viewport.scrollTop() + viewport.outerHeight();\n },\n topVisiblePos: function topVisiblePos() {\n return viewport.scrollTop();\n },\n insertElement: function insertElement(e, sibling) {\n return elementRoutines.insertElement(e, sibling || topPadding);\n },\n insertElementAnimated: function insertElementAnimated(e, sibling) {\n return elementRoutines.insertElementAnimated(e, sibling || topPadding);\n },\n shouldLoadBottom: function shouldLoadBottom() {\n return !buffer.eof && viewport.bottomDataPos() < viewport.bottomVisiblePos() + bufferPadding();\n },\n clipBottom: function clipBottom() {\n // clip the invisible items off the bottom\n var overage = 0;\n var overageHeight = 0;\n var itemHeight = 0;\n var emptySpaceHeight = viewport.bottomDataPos() - viewport.bottomVisiblePos() - bufferPadding();\n\n for (var i = buffer.length - 1; i >= 0; i--) {\n itemHeight = buffer[i].element.outerHeight(true);\n if (overageHeight + itemHeight > emptySpaceHeight) {\n break;\n }\n bottomPadding.cache.add(buffer[i]);\n overageHeight += itemHeight;\n overage++;\n }\n\n if (overage > 0) {\n buffer.eof = false;\n buffer.remove(buffer.length - overage, buffer.length);\n buffer.next -= overage;\n viewport.adjustPaddings();\n }\n },\n shouldLoadTop: function shouldLoadTop() {\n return !buffer.bof && viewport.topDataPos() > viewport.topVisiblePos() - bufferPadding();\n },\n clipTop: function clipTop() {\n // clip the invisible items off the top\n var overage = 0;\n var overageHeight = 0;\n var itemHeight = 0;\n var emptySpaceHeight = viewport.topVisiblePos() - viewport.topDataPos() - bufferPadding();\n\n for (var i = 0; i < buffer.length; i++) {\n itemHeight = buffer[i].element.outerHeight(true);\n if (overageHeight + itemHeight > emptySpaceHeight) {\n break;\n }\n topPadding.cache.add(buffer[i]);\n overageHeight += itemHeight;\n overage++;\n }\n\n if (overage > 0) {\n // we need to adjust top padding element before items are removed from top\n // to avoid strange behaviour of scroll bar during remove top items when we are at the very bottom\n topPadding.height(topPadding.height() + overageHeight);\n buffer.bof = false;\n buffer.remove(0, overage);\n buffer.first += overage;\n }\n },\n adjustPaddings: function adjustPaddings() {\n if (!buffer.length) {\n return;\n }\n\n // precise heights calculation, items that were in buffer once\n var topPaddingHeight = topPadding.cache.reduce(function (summ, item) {\n return summ + (item.index < buffer.first ? item.height : 0);\n }, 0);\n var bottomPaddingHeight = bottomPadding.cache.reduce(function (summ, item) {\n return summ + (item.index >= buffer.next ? item.height : 0);\n }, 0);\n\n // average item height based on buffer data\n var visibleItemsHeight = buffer.reduce(function (summ, item) {\n return summ + item.element.outerHeight(true);\n }, 0);\n var averageItemHeight = (visibleItemsHeight + topPaddingHeight + bottomPaddingHeight) / (buffer.maxIndex - buffer.minIndex + 1);\n\n // average heights calculation, items that have never been reached\n var adjustTopPadding = buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser;\n var adjustBottomPadding = buffer.maxIndexUser !== null && buffer.maxIndex < buffer.maxIndexUser;\n var topPaddingHeightAdd = adjustTopPadding ? (buffer.minIndex - buffer.minIndexUser) * averageItemHeight : 0;\n var bottomPaddingHeightAdd = adjustBottomPadding ? (buffer.maxIndexUser - buffer.maxIndex) * averageItemHeight : 0;\n\n // paddings combine adjustment\n topPadding.height(topPaddingHeight + topPaddingHeightAdd);\n bottomPadding.height(bottomPaddingHeight + bottomPaddingHeightAdd);\n },\n onAfterMinIndexSet: function onAfterMinIndexSet(topPaddingHeightOld) {\n // additional scrollTop adjustment in case of datasource.minIndex external set\n if (buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser) {\n var diff = topPadding.height() - topPaddingHeightOld;\n viewport.scrollTop(viewport.scrollTop() + diff);\n diff -= viewport.scrollTop();\n if (diff > 0) {\n bottomPadding.height(bottomPadding.height() + diff);\n viewport.scrollTop(viewport.scrollTop() + diff);\n }\n }\n },\n onAfterPrepend: function onAfterPrepend(updates) {\n if (!updates.prepended.length) return;\n var height = buffer.effectiveHeight(updates.prepended);\n var paddingHeight = topPadding.height() - height;\n if (paddingHeight >= 0) {\n topPadding.height(paddingHeight);\n } else {\n topPadding.height(0);\n viewport.scrollTop(viewport.scrollTop() - paddingHeight);\n }\n },\n resetTopPadding: function resetTopPadding() {\n topPadding.height(0);\n topPadding.cache.clear();\n },\n resetBottomPadding: function resetBottomPadding() {\n bottomPadding.height(0);\n bottomPadding.cache.clear();\n },\n removeItem: function removeItem(item) {\n topPadding.cache.remove(item);\n bottomPadding.cache.remove(item);\n return buffer.remove(item);\n }\n });\n\n return viewport;\n}\n\n/***/ }),\n/* 5 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();\n\nexports.default = Padding;\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\n// Can't just extend the Array, due to Babel does not support built-in classes extending\n// This solution was taken from https://stackoverflow.com/questions/46897414/es6-class-extends-array-workaround-for-es5-babel-transpile\nvar CacheProto = function () {\n function CacheProto() {\n _classCallCheck(this, CacheProto);\n }\n\n _createClass(CacheProto, [{\n key: 'add',\n value: function add(item) {\n for (var i = this.length - 1; i >= 0; i--) {\n if (this[i].index === item.scope.$index) {\n this[i].height = item.element.outerHeight();\n return;\n }\n }\n this.push({\n index: item.scope.$index,\n height: item.element.outerHeight()\n });\n this.sort(function (a, b) {\n return a.index < b.index ? -1 : a.index > b.index ? 1 : 0;\n });\n }\n }, {\n key: 'remove',\n value: function remove(itemToRemove) {\n for (var i = this.length - 1; i >= 0; i--) {\n if (this[i].index === itemToRemove.scope.$index) {\n this.splice(i, 1);\n break;\n }\n }\n if (itemToRemove._op !== 'isTop') {\n for (var _i = this.length - 1; _i >= 0; _i--) {\n if (this[_i].index > itemToRemove.scope.$index) {\n this[_i].index--;\n }\n }\n }\n }\n }, {\n key: 'clear',\n value: function clear() {\n this.length = 0;\n }\n }]);\n\n return CacheProto;\n}();\n\nfunction Cache() {\n var instance = [];\n instance.push.apply(instance, arguments);\n Object.setPrototypeOf(instance, Cache.prototype);\n return instance;\n}\nCache.prototype = Object.create(Array.prototype);\nObject.getOwnPropertyNames(CacheProto.prototype).forEach(function (methodName) {\n return Cache.prototype[methodName] = CacheProto.prototype[methodName];\n});\n\nfunction Padding(template) {\n var result = void 0;\n\n if (template.nodeType !== Node.ELEMENT_NODE) {\n throw new Error('ui-scroll directive requires an Element node for templating the view');\n }\n\n switch (template.tagName.toLowerCase()) {\n case 'dl':\n throw new Error('ui-scroll directive does not support <' + template.tagName + '> as a repeating tag: ' + template.outerHTML);\n case 'tr':\n var table = angular.element('
    ');\n result = table.find('tr');\n break;\n case 'li':\n result = angular.element('
  • ');\n break;\n default:\n result = angular.element('
    ');\n }\n\n result.cache = new Cache();\n\n return result;\n}\n\n/***/ }),\n/* 6 */,\n/* 7 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\"use strict\";\n\n\nvar _jqLiteExtras = __webpack_require__(3);\n\nvar _jqLiteExtras2 = _interopRequireDefault(_jqLiteExtras);\n\nvar _elementRoutines = __webpack_require__(2);\n\nvar _elementRoutines2 = _interopRequireDefault(_elementRoutines);\n\nvar _buffer = __webpack_require__(1);\n\nvar _buffer2 = _interopRequireDefault(_buffer);\n\nvar _viewport = __webpack_require__(4);\n\nvar _viewport2 = _interopRequireDefault(_viewport);\n\nvar _adapter = __webpack_require__(0);\n\nvar _adapter2 = _interopRequireDefault(_adapter);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nangular.module('ui.scroll', []).service('jqLiteExtras', function () {\n return new _jqLiteExtras2.default();\n}).run(['jqLiteExtras', function (jqLiteExtras) {\n return !window.jQuery ? jqLiteExtras.registerFor(angular.element) : null;\n}]).directive('uiScrollViewport', function () {\n return {\n restrict: 'A',\n controller: ['$scope', '$element', function (scope, element) {\n var _this = this;\n\n this.container = element;\n this.viewport = element;\n this.scope = scope;\n\n angular.forEach(element.children(), function (child) {\n if (child.tagName.toLowerCase() === 'tbody') {\n _this.viewport = angular.element(child);\n }\n });\n\n return this;\n }]\n };\n}).directive('uiScroll', ['$log', '$injector', '$rootScope', '$timeout', '$q', '$parse', function (console, $injector, $rootScope, $timeout, $q, $parse) {\n\n return {\n require: ['?^uiScrollViewport'],\n restrict: 'A',\n transclude: 'element',\n priority: 1000,\n terminal: true,\n link: link\n };\n\n function link($scope, element, $attr, controllers, linker) {\n var match = $attr.uiScroll.match(/^\\s*(\\w+)\\s+in\\s+([(\\w|\\$)\\.]+)\\s*$/);\n if (!match) {\n throw new Error('Expected uiScroll in form of \\'_item_ in _datasource_\\' but got \\'' + $attr.uiScroll + '\\'');\n }\n\n function parseNumericAttr(value, defaultValue) {\n var result = $parse(value)($scope);\n return isNaN(result) ? defaultValue : result;\n }\n\n var BUFFER_MIN = 3;\n var BUFFER_DEFAULT = 10;\n var PADDING_MIN = 0.3;\n var PADDING_DEFAULT = 0.5;\n\n var datasource = null;\n var itemName = match[1];\n var datasourceName = match[2];\n var viewportController = controllers[0];\n var bufferSize = Math.max(BUFFER_MIN, parseNumericAttr($attr.bufferSize, BUFFER_DEFAULT));\n var padding = Math.max(PADDING_MIN, parseNumericAttr($attr.padding, PADDING_DEFAULT));\n var startIndex = parseNumericAttr($attr.startIndex, 1);\n var ridActual = 0; // current data revision id\n var pending = [];\n\n var elementRoutines = new _elementRoutines2.default($injector, $q);\n var buffer = new _buffer2.default(elementRoutines, bufferSize);\n var viewport = new _viewport2.default(elementRoutines, buffer, element, viewportController, $rootScope, padding);\n var adapter = new _adapter2.default(viewport, buffer, adjustBuffer, reload, $attr, $parse, element, $scope);\n\n if (viewportController) {\n viewportController.adapter = adapter;\n }\n\n var isDatasourceValid = function isDatasourceValid() {\n return angular.isObject(datasource) && angular.isFunction(datasource.get);\n };\n datasource = $parse(datasourceName)($scope); // try to get datasource on scope\n if (!isDatasourceValid()) {\n datasource = $injector.get(datasourceName); // try to inject datasource as service\n if (!isDatasourceValid()) {\n throw new Error(datasourceName + ' is not a valid datasource');\n }\n }\n\n var onRenderHandlers = [];\n function onRenderHandlersRunner() {\n if (onRenderHandlers.length) {\n angular.forEach(onRenderHandlers, function (handler) {\n return handler();\n });\n onRenderHandlers = [];\n }\n }\n function preDefineIndexProperty(datasource, propName) {\n var getter = void 0;\n // need to postpone min/maxIndexUser processing if the view is empty\n if (datasource.hasOwnProperty(propName) && !buffer.length) {\n getter = datasource[propName];\n delete datasource[propName];\n onRenderHandlers.push(function () {\n return datasource[propName] = getter;\n });\n }\n }\n\n function defineIndexProperty(datasource, propName, propUserName) {\n var descriptor = Object.getOwnPropertyDescriptor(datasource, propName);\n if (descriptor && (descriptor.set || descriptor.get)) {\n return;\n }\n var getter = void 0;\n preDefineIndexProperty(datasource, propName);\n Object.defineProperty(datasource, propName, {\n set: function set(value) {\n getter = value;\n buffer[propUserName] = value;\n var topPaddingHeightOld = viewport.topDataPos();\n viewport.adjustPaddings();\n if (propName === 'minIndex') {\n viewport.onAfterMinIndexSet(topPaddingHeightOld);\n }\n },\n get: function get() {\n return getter;\n }\n });\n }\n\n defineIndexProperty(datasource, 'minIndex', 'minIndexUser');\n defineIndexProperty(datasource, 'maxIndex', 'maxIndexUser');\n\n var fetchNext = datasource.get.length !== 2 ? function (success) {\n return datasource.get(buffer.next, bufferSize, success);\n } : function (success) {\n datasource.get({\n index: buffer.next,\n append: buffer.length ? buffer[buffer.length - 1].item : void 0,\n count: bufferSize\n }, success);\n };\n\n var fetchPrevious = datasource.get.length !== 2 ? function (success) {\n return datasource.get(buffer.first - bufferSize, bufferSize, success);\n } : function (success) {\n datasource.get({\n index: buffer.first - bufferSize,\n prepend: buffer.length ? buffer[0].item : void 0,\n count: bufferSize\n }, success);\n };\n\n /**\n * Build padding elements\n *\n * Calling linker is the only way I found to get access to the tag name of the template\n * to prevent the directive scope from pollution a new scope is created and destroyed\n * right after the builder creation is completed\n */\n linker(function (clone, scope) {\n viewport.createPaddingElements(clone[0]);\n // we do not include the clone in the DOM. It means that the nested directives will not\n // be able to reach the parent directives, but in this case it is intentional because we\n // created the clone to access the template tag name\n scope.$destroy();\n clone.remove();\n });\n\n $scope.$on('$destroy', function () {\n unbindEvents();\n viewport.unbind('mousewheel', wheelHandler);\n });\n\n viewport.bind('mousewheel', wheelHandler);\n\n $timeout(function () {\n viewport.applyContainerStyle();\n reload();\n });\n\n /* Private function definitions */\n\n function isInvalid(rid) {\n return rid && rid !== ridActual || $scope.$$destroyed;\n }\n\n function bindEvents() {\n viewport.bind('resize', resizeAndScrollHandler);\n viewport.bind('scroll', resizeAndScrollHandler);\n }\n\n function unbindEvents() {\n viewport.unbind('resize', resizeAndScrollHandler);\n viewport.unbind('scroll', resizeAndScrollHandler);\n }\n\n function reload() {\n viewport.resetTopPadding();\n viewport.resetBottomPadding();\n if (arguments.length) {\n startIndex = arguments[0];\n }\n buffer.reset(startIndex);\n adjustBuffer();\n }\n\n function isElementVisible(wrapper) {\n return wrapper.element.height() && wrapper.element[0].offsetParent;\n }\n\n function visibilityWatcher(wrapper) {\n if (isElementVisible(wrapper)) {\n buffer.forEach(function (item) {\n if (angular.isFunction(item.unregisterVisibilityWatcher)) {\n item.unregisterVisibilityWatcher();\n delete item.unregisterVisibilityWatcher;\n }\n });\n if (!pending.length) {\n $timeout(function () {\n return adjustBuffer();\n });\n }\n }\n }\n\n function insertWrapperContent(wrapper, insertAfter) {\n createElement(wrapper, insertAfter, viewport.insertElement);\n if (!isElementVisible(wrapper)) {\n wrapper.unregisterVisibilityWatcher = wrapper.scope.$watch(function () {\n return visibilityWatcher(wrapper);\n });\n }\n elementRoutines.hideElement(wrapper); // hide inserted elements before data binding\n }\n\n function createElement(wrapper, insertAfter, insertElement) {\n var promises = null;\n var sibling = insertAfter > 0 ? buffer[insertAfter - 1].element : undefined;\n linker(function (clone, scope) {\n promises = insertElement(clone, sibling);\n wrapper.element = clone;\n wrapper.scope = scope;\n scope[itemName] = wrapper.item;\n });\n // ui-scroll-grid apply\n if (adapter.transform) {\n var tdInitializer = wrapper.scope.uiScrollTdInitializer;\n if (tdInitializer && tdInitializer.linking) {\n adapter.transform(wrapper.scope, wrapper.element);\n } else {\n wrapper.scope.uiScrollTdInitializer = {\n onLink: function onLink() {\n return adapter.transform(wrapper.scope, wrapper.element);\n },\n scope: wrapper.scope\n };\n }\n }\n return promises;\n }\n\n function updateDOM() {\n var promises = [];\n var toBePrepended = [];\n var toBeRemoved = [];\n var inserted = [];\n\n buffer.forEach(function (wrapper, i) {\n switch (wrapper.op) {\n case 'prepend':\n toBePrepended.unshift(wrapper);\n break;\n case 'append':\n insertWrapperContent(wrapper, i);\n wrapper.op = 'none';\n inserted.push(wrapper);\n break;\n case 'insert':\n promises = promises.concat(createElement(wrapper, i, viewport.insertElementAnimated));\n wrapper.op = 'none';\n inserted.push(wrapper);\n break;\n case 'remove':\n toBeRemoved.push(wrapper);\n }\n });\n\n toBeRemoved.forEach(function (wrapper) {\n return promises = promises.concat(viewport.removeItem(wrapper));\n });\n\n if (toBePrepended.length) toBePrepended.forEach(function (wrapper) {\n insertWrapperContent(wrapper);\n wrapper.op = 'none';\n });\n\n buffer.forEach(function (item, i) {\n return item.scope.$index = buffer.first + i;\n });\n\n return {\n prepended: toBePrepended,\n removed: toBeRemoved,\n inserted: inserted,\n animated: promises\n };\n }\n\n function updatePaddings(rid, updates) {\n // schedule another adjustBuffer after animation completion\n if (updates.animated.length) {\n $q.all(updates.animated).then(function () {\n viewport.adjustPaddings();\n adjustBuffer(rid);\n });\n } else {\n viewport.adjustPaddings();\n }\n }\n\n function enqueueFetch(rid, updates) {\n if (viewport.shouldLoadBottom()) {\n if (!updates || buffer.effectiveHeight(updates.inserted) > 0) {\n // this means that at least one item appended in the last batch has height > 0\n if (pending.push(true) === 1) {\n adapter.loading(true);\n fetch(rid);\n }\n }\n } else if (viewport.shouldLoadTop()) {\n if (!updates || buffer.effectiveHeight(updates.prepended) > 0 || pending[0]) {\n // this means that at least one item appended in the last batch has height > 0\n // pending[0] = true means that previous fetch was appending. We need to force at least one prepend\n // BTW there will always be at least 1 element in the pending array because bottom is fetched first\n if (pending.push(false) === 1) {\n adapter.loading(true);\n fetch(rid);\n }\n }\n }\n }\n\n function processUpdates() {\n var updates = updateDOM();\n\n // We need the item bindings to be processed before we can do adjustments\n !$scope.$$phase && !$rootScope.$$phase && $scope.$digest();\n\n updates.inserted.forEach(function (w) {\n return elementRoutines.showElement(w);\n });\n updates.prepended.forEach(function (w) {\n return elementRoutines.showElement(w);\n });\n return updates;\n }\n\n function adjustBuffer(rid) {\n if (!rid) {\n // dismiss pending requests\n pending = [];\n rid = ++ridActual;\n }\n\n var updates = processUpdates();\n\n if (isInvalid(rid)) {\n return;\n }\n\n updatePaddings(rid, updates);\n enqueueFetch(rid);\n\n if (!pending.length) {\n adapter.calculateProperties();\n }\n }\n\n function adjustBufferAfterFetch(rid) {\n var updates = processUpdates();\n\n viewport.onAfterPrepend(updates);\n\n if (isInvalid(rid)) {\n return;\n }\n\n updatePaddings(rid, updates);\n onRenderHandlersRunner();\n enqueueFetch(rid, updates);\n pending.shift();\n\n if (pending.length) fetch(rid);else {\n adapter.loading(false);\n bindEvents();\n adapter.calculateProperties();\n }\n }\n\n function fetch(rid) {\n if (pending[0]) {\n // scrolling down\n if (buffer.length && !viewport.shouldLoadBottom()) {\n adjustBufferAfterFetch(rid);\n } else {\n fetchNext(function (result) {\n if (isInvalid(rid)) {\n return;\n }\n\n if (result.length < bufferSize) {\n buffer.eof = true;\n }\n\n if (result.length > 0) {\n viewport.clipTop();\n buffer.append(result);\n }\n\n adjustBufferAfterFetch(rid);\n });\n }\n } else {\n // scrolling up\n if (buffer.length && !viewport.shouldLoadTop()) {\n adjustBufferAfterFetch(rid);\n } else {\n fetchPrevious(function (result) {\n if (isInvalid(rid)) {\n return;\n }\n\n if (result.length < bufferSize) {\n buffer.bof = true;\n // log 'bof is reached'\n }\n\n if (result.length > 0) {\n if (buffer.length) {\n viewport.clipBottom();\n }\n buffer.prepend(result);\n }\n\n adjustBufferAfterFetch(rid);\n });\n }\n }\n }\n\n function resizeAndScrollHandler() {\n if (!$rootScope.$$phase && !adapter.isLoading && !adapter.disabled) {\n\n enqueueFetch(ridActual);\n\n if (pending.length) {\n unbindEvents();\n } else {\n adapter.calculateProperties();\n !$scope.$$phase && $scope.$digest();\n }\n }\n }\n\n function wheelHandler(event) {\n if (!adapter.disabled) {\n var scrollTop = viewport[0].scrollTop;\n var yMax = viewport[0].scrollHeight - viewport[0].clientHeight;\n\n if (scrollTop === 0 && !buffer.bof || scrollTop === yMax && !buffer.eof) {\n event.preventDefault();\n }\n }\n }\n }\n}]);\n\n/***/ })\n/******/ ]);\n\n\n// WEBPACK FOOTER //\n// ui-scroll.min.js"," \t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId]) {\n \t\t\treturn installedModules[moduleId].exports;\n \t\t}\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\ti: moduleId,\n \t\t\tl: false,\n \t\t\texports: {}\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.l = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// identity function for calling harmony imports with the correct context\n \t__webpack_require__.i = function(value) { return value; };\n\n \t// define getter function for harmony exports\n \t__webpack_require__.d = function(exports, name, getter) {\n \t\tif(!__webpack_require__.o(exports, name)) {\n \t\t\tObject.defineProperty(exports, name, {\n \t\t\t\tconfigurable: false,\n \t\t\t\tenumerable: true,\n \t\t\t\tget: getter\n \t\t\t});\n \t\t}\n \t};\n\n \t// getDefaultExport function for compatibility with non-harmony modules\n \t__webpack_require__.n = function(module) {\n \t\tvar getter = module && module.__esModule ?\n \t\t\tfunction getDefault() { return module['default']; } :\n \t\t\tfunction getModuleExports() { return module; };\n \t\t__webpack_require__.d(getter, 'a', getter);\n \t\treturn getter;\n \t};\n\n \t// Object.prototype.hasOwnProperty.call\n \t__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"\";\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(__webpack_require__.s = 7);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap 86fa6c49a99646d439cd","function getCtrlOnData(attr, element) {\r\n let onSyntax = attr.match(/^(.+)(\\s+on\\s+)(.+)?/);\r\n if (onSyntax && onSyntax.length === 4) {\r\n window.console.log('Angular ui-scroll adapter assignment warning. \"Controller On\" syntax has been deprecated since ui-scroll v1.6.1.');\r\n let ctrl = onSyntax[3];\r\n let tail = onSyntax[1];\r\n let candidate = element;\r\n while (candidate.length) {\r\n let candidateScope = candidate.scope(); // doesn't work when debugInfoEnabled flag = true\r\n let candidateName = (candidate.attr('ng-controller') || '').match(/(\\w(?:\\w|\\d)*)(?:\\s+as\\s+(\\w(?:\\w|\\d)*))?/);\r\n if (candidateName && candidateName[1] === ctrl) {\r\n return {\r\n target: candidateScope,\r\n source: tail\r\n };\r\n }\r\n candidate = candidate.parent();\r\n }\r\n throw new Error('Angular ui-scroll adapter assignment error. Failed to locate target controller \"' + ctrl + '\" to inject \"' + tail + '\"');\r\n }\r\n}\r\n\r\nclass Adapter {\r\n\r\n constructor(viewport, buffer, adjustBuffer, reload, $attr, $parse, element, $scope) {\r\n this.viewport = viewport;\r\n this.buffer = buffer;\r\n this.adjustBuffer = adjustBuffer;\r\n this.reload = reload;\r\n\r\n this.isLoading = false;\r\n this.disabled = false;\r\n\r\n const viewportScope = viewport.getScope();\r\n this.startScope = viewportScope.$parent ? viewportScope : $scope;\r\n\r\n this.publicContext = {};\r\n this.assignAdapter($attr.adapter, $parse, element);\r\n this.generatePublicContext($attr, $parse);\r\n }\r\n\r\n assignAdapter(adapterAttr, $parse, element) {\r\n if (!adapterAttr || !(adapterAttr = adapterAttr.replace(/^\\s+|\\s+$/gm, ''))) {\r\n return;\r\n }\r\n let ctrlOnData = getCtrlOnData(adapterAttr, element);\r\n let adapterOnScope;\r\n\r\n try {\r\n if (ctrlOnData) { // \"Controller On\", deprecated since v1.6.1\r\n $parse(ctrlOnData.source).assign(ctrlOnData.target, {});\r\n adapterOnScope = $parse(ctrlOnData.source)(ctrlOnData.target);\r\n }\r\n else {\r\n $parse(adapterAttr).assign(this.startScope, {});\r\n adapterOnScope = $parse(adapterAttr)(this.startScope);\r\n }\r\n }\r\n catch (error) {\r\n error.message = `Angular ui-scroll Adapter assignment exception.\\n` +\r\n `Can't parse \"${adapterAttr}\" expression.\\n` +\r\n error.message;\r\n throw error;\r\n }\r\n\r\n angular.extend(adapterOnScope, this.publicContext);\r\n this.publicContext = adapterOnScope;\r\n }\r\n\r\n generatePublicContext($attr, $parse) {\r\n // these methods will be accessible out of ui-scroll via user defined adapter\r\n const publicMethods = ['reload', 'applyUpdates', 'append', 'prepend', 'isBOF', 'isEOF', 'isEmpty'];\r\n for (let i = publicMethods.length - 1; i >= 0; i--) {\r\n this.publicContext[publicMethods[i]] = this[publicMethods[i]].bind(this);\r\n }\r\n\r\n // these read-only props will be accessible out of ui-scroll via user defined adapter\r\n const publicProps = ['isLoading', 'topVisible', 'topVisibleElement', 'topVisibleScope', 'bottomVisible', 'bottomVisibleElement', 'bottomVisibleScope'];\r\n for (let i = publicProps.length - 1; i >= 0; i--) {\r\n let property, attr = $attr[publicProps[i]];\r\n Object.defineProperty(this, publicProps[i], {\r\n get: () => property,\r\n set: (value) => {\r\n property = value;\r\n this.publicContext[publicProps[i]] = value;\r\n if (attr) {\r\n $parse(attr).assign(this.startScope, value);\r\n }\r\n }\r\n });\r\n }\r\n\r\n // non-read-only public property\r\n Object.defineProperty(this.publicContext, 'disabled', {\r\n get: () => this.disabled,\r\n set: (value) => (!(this.disabled = value)) ? this.adjustBuffer() : null\r\n });\r\n }\r\n\r\n loading(value) {\r\n this['isLoading'] = value;\r\n }\r\n\r\n isBOF() {\r\n return this.buffer.bof;\r\n }\r\n\r\n isEOF() {\r\n return this.buffer.eof;\r\n }\r\n\r\n isEmpty() {\r\n return !this.buffer.length;\r\n }\r\n\r\n append(newItems) {\r\n this.buffer.append(newItems);\r\n this.adjustBuffer();\r\n this.viewport.clipTop();\r\n this.viewport.clipBottom();\r\n }\r\n\r\n prepend(newItems) {\r\n this.buffer.prepend(newItems);\r\n this.adjustBuffer();\r\n this.viewport.clipTop();\r\n this.viewport.clipBottom();\r\n }\r\n\r\n applyUpdates(arg1, arg2) {\r\n if (angular.isFunction(arg1)) {\r\n this.applyUpdatesFunc(arg1);\r\n } else {\r\n this.applyUpdatesIndex(arg1, arg2);\r\n }\r\n this.adjustBuffer();\r\n }\r\n\r\n applyUpdatesFunc(cb) {\r\n this.buffer.slice(0).forEach((wrapper) => {\r\n // we need to do it on the buffer clone, because buffer content\r\n // may change as we iterate through\r\n this.applyUpdate(wrapper, cb(wrapper.item, wrapper.scope, wrapper.element));\r\n });\r\n }\r\n\r\n applyUpdatesIndex(index, newItems) {\r\n if (index % 1 !== 0) { // checking if it is an integer\r\n throw new Error('applyUpdates - ' + index + ' is not a valid index');\r\n }\r\n index -= this.buffer.first;\r\n if ((index >= 0 && index < this.buffer.length)) {\r\n this.applyUpdate(this.buffer[index], newItems);\r\n }\r\n }\r\n\r\n applyUpdate(wrapper, newItems) {\r\n if (!angular.isArray(newItems)) {\r\n return;\r\n }\r\n let position = (this.buffer.indexOf(wrapper));\r\n if (!newItems.reverse().some((newItem) => newItem === wrapper.item)) {\r\n wrapper.op = 'remove';\r\n if(position === 0 && !newItems.length) {\r\n wrapper._op = 'isTop'; // to catch \"first\" edge case on remove\r\n }\r\n }\r\n newItems.forEach((newItem) => {\r\n if (newItem === wrapper.item) {\r\n position--;\r\n } else {\r\n // 3 parameter (isTop) is to catch \"first\" edge case on insert\r\n this.buffer.insert(position + 1, newItem, position === -1);\r\n }\r\n });\r\n }\r\n\r\n calculateProperties() {\r\n let rowTop = null, topHeight = 0;\r\n let topDone = false, bottomDone = false;\r\n const length = this.buffer.length;\r\n\r\n for (let i = 0; i < length; i++) {\r\n const item = this.buffer[i];\r\n const itemTop = item.element.offset().top;\r\n\r\n if (rowTop !== itemTop) { // a new row condition\r\n const itemHeight = item.element.outerHeight(true);\r\n const top = this.viewport.topDataPos() + topHeight + itemHeight;\r\n\r\n if (!topDone && top > this.viewport.topVisiblePos()) {\r\n topDone = true;\r\n this['topVisible'] = item.item;\r\n this['topVisibleElement'] = item.element;\r\n this['topVisibleScope'] = item.scope;\r\n }\r\n if (!bottomDone && (top >= this.viewport.bottomVisiblePos() || (i === length - 1 && this.isEOF()))) {\r\n bottomDone = true;\r\n this['bottomVisible'] = item.item;\r\n this['bottomVisibleElement'] = item.element;\r\n this['bottomVisibleScope'] = item.scope;\r\n }\r\n topHeight += itemHeight;\r\n }\r\n rowTop = itemTop;\r\n\r\n if (topDone && bottomDone) {\r\n break;\r\n }\r\n }\r\n }\r\n\r\n}\r\n\r\nexport default Adapter;\n\n\n// WEBPACK FOOTER //\n// ./src/modules/adapter.js","export default function ScrollBuffer(elementRoutines, bufferSize) {\r\n const buffer = Object.create(Array.prototype);\r\n\r\n angular.extend(buffer, {\r\n size: bufferSize,\r\n\r\n reset(startIndex) {\r\n buffer.remove(0, buffer.length);\r\n buffer.eof = false;\r\n buffer.bof = false;\r\n buffer.first = startIndex;\r\n buffer.next = startIndex;\r\n buffer.minIndex = startIndex;\r\n buffer.maxIndex = startIndex;\r\n buffer.minIndexUser = null;\r\n buffer.maxIndexUser = null;\r\n },\r\n\r\n append(items) {\r\n items.forEach((item) => {\r\n ++buffer.next;\r\n buffer.insert('append', item);\r\n });\r\n buffer.maxIndex = buffer.eof ? buffer.next - 1 : Math.max(buffer.next - 1, buffer.maxIndex);\r\n },\r\n\r\n prepend(items) {\r\n items.reverse().forEach((item) => {\r\n --buffer.first;\r\n buffer.insert('prepend', item);\r\n });\r\n buffer.minIndex = buffer.bof ? buffer.minIndex = buffer.first : Math.min(buffer.first, buffer.minIndex);\r\n },\r\n\r\n /**\r\n * inserts wrapped element in the buffer\r\n * the first argument is either operation keyword (see below) or a number for operation 'insert'\r\n * for insert the number is the index for the buffer element the new one have to be inserted after\r\n * operations: 'append', 'prepend', 'insert', 'remove', 'update', 'none'\r\n */\r\n insert(operation, item, isTop) {\r\n const wrapper = {\r\n item: item\r\n };\r\n\r\n if (operation % 1 === 0) {// it is an insert\r\n wrapper.op = 'insert';\r\n buffer.splice(operation, 0, wrapper);\r\n if(isTop) {\r\n buffer.first--;\r\n }\r\n else {\r\n buffer.next++;\r\n }\r\n } else {\r\n wrapper.op = operation;\r\n switch (operation) {\r\n case 'append':\r\n buffer.push(wrapper);\r\n break;\r\n case 'prepend':\r\n buffer.unshift(wrapper);\r\n break;\r\n }\r\n }\r\n },\r\n\r\n // removes elements from buffer\r\n remove(arg1, arg2) {\r\n if (angular.isNumber(arg1)) {\r\n // removes items from arg1 (including) through arg2 (excluding)\r\n for (let i = arg1; i < arg2; i++) {\r\n elementRoutines.removeElement(buffer[i]);\r\n }\r\n\r\n return buffer.splice(arg1, arg2 - arg1);\r\n }\r\n // removes single item(wrapper) from the buffer\r\n buffer.splice(buffer.indexOf(arg1), 1);\r\n if(arg1._op === 'isTop') {\r\n buffer.first++;\r\n }\r\n else {\r\n buffer.next--;\r\n }\r\n if(!buffer.length) {\r\n buffer.first = 1;\r\n buffer.next = 1;\r\n }\r\n\r\n return elementRoutines.removeElementAnimated(arg1);\r\n },\r\n\r\n effectiveHeight(elements) {\r\n if (!elements.length) {\r\n return 0;\r\n }\r\n let top = Number.MAX_VALUE;\r\n let bottom = Number.NEGATIVE_INFINITY;\r\n elements.forEach((wrapper) => {\r\n if (wrapper.element[0].offsetParent) {\r\n // element style is not display:none\r\n top = Math.min(top, wrapper.element.offset().top);\r\n bottom = Math.max(bottom, wrapper.element.offset().top + wrapper.element.outerHeight(true));\r\n }\r\n });\r\n return Math.max(0, bottom - top);\r\n }\r\n\r\n });\r\n\r\n return buffer;\r\n}\n\n\n// WEBPACK FOOTER //\n// ./src/modules/buffer.js","const hideClassToken = 'ng-ui-scroll-hide';\r\n\r\nfunction addCSSRule(sheet, selector, rules, index) {\r\n if('insertRule' in sheet) {\r\n sheet.insertRule(selector + '{' + rules + '}', index);\r\n }\r\n else if('addRule' in sheet) {\r\n sheet.addRule(selector, rules, index);\r\n }\r\n}\r\n\r\nexport default class ElementRoutines {\r\n\r\n constructor($injector, $q) {\r\n this.$animate = ($injector.has && $injector.has('$animate')) ? $injector.get('$animate') : null;\r\n this.isAngularVersionLessThen1_3 = angular.version.major === 1 && angular.version.minor < 3;\r\n this.$q = $q;\r\n addCSSRule(document.styleSheets[0], '.' + hideClassToken, 'display: none');\r\n }\r\n\r\n hideElement(wrapper) {\r\n wrapper.element.addClass(hideClassToken);\r\n }\r\n\r\n showElement(wrapper) {\r\n wrapper.element.removeClass(hideClassToken);\r\n }\r\n\r\n insertElement(newElement, previousElement) {\r\n previousElement.after(newElement);\r\n return [];\r\n }\r\n\r\n removeElement(wrapper) {\r\n wrapper.element.remove();\r\n wrapper.scope.$destroy();\r\n return [];\r\n }\r\n\r\n insertElementAnimated(newElement, previousElement) {\r\n if (!this.$animate) {\r\n return this.insertElement(newElement, previousElement);\r\n }\r\n\r\n if (this.isAngularVersionLessThen1_3) {\r\n const deferred = this.$q.defer();\r\n // no need for parent - previous element is never null\r\n this.$animate.enter(newElement, null, previousElement, () => deferred.resolve());\r\n\r\n return [deferred.promise];\r\n }\r\n\r\n // no need for parent - previous element is never null\r\n return [this.$animate.enter(newElement, null, previousElement)];\r\n }\r\n\r\n removeElementAnimated(wrapper) {\r\n if (!this.$animate) {\r\n return this.removeElement(wrapper);\r\n }\r\n\r\n if (this.isAngularVersionLessThen1_3) {\r\n const deferred = this.$q.defer();\r\n this.$animate.leave(wrapper.element, () => {\r\n wrapper.scope.$destroy();\r\n return deferred.resolve();\r\n });\r\n\r\n return [deferred.promise];\r\n }\r\n\r\n return [(this.$animate.leave(wrapper.element)).then(() => wrapper.scope.$destroy())];\r\n }\r\n}\n\n\n// WEBPACK FOOTER //\n// ./src/modules/elementRoutines.js","/*!\r\n globals: angular, window\r\n List of used element methods available in JQuery but not in JQuery Lite\r\n element.before(elem)\r\n element.height()\r\n element.outerHeight(true)\r\n element.height(value) = only for Top/Bottom padding elements\r\n element.scrollTop()\r\n element.scrollTop(value)\r\n */\r\n\r\nexport default class JQLiteExtras {\r\n\r\n registerFor(element) {\r\n let convertToPx, css, getStyle, isWindow;\r\n // angular implementation blows up if elem is the window\r\n css = angular.element.prototype.css;\r\n\r\n element.prototype.css = function (name, value) {\r\n let self = this;\r\n let elem = self[0];\r\n if (!(!elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style)) {\r\n return css.call(self, name, value);\r\n }\r\n };\r\n\r\n // as defined in angularjs v1.0.5\r\n isWindow = (obj) => obj && obj.document && obj.location && obj.alert && obj.setInterval;\r\n\r\n function scrollTo(self, direction, value) {\r\n let elem = self[0];\r\n let [method, prop, preserve] = {\r\n top: [\r\n 'scrollTop',\r\n 'pageYOffset',\r\n 'scrollLeft'\r\n ],\r\n left: [\r\n 'scrollLeft',\r\n 'pageXOffset',\r\n 'scrollTop'\r\n ]\r\n }[direction];\r\n\r\n if (isWindow(elem)) {\r\n if (angular.isDefined(value)) {\r\n return elem.scrollTo(self[preserve].call(self), value);\r\n }\r\n return (prop in elem) ? elem[prop] : elem.document.documentElement[method];\r\n } else {\r\n if (angular.isDefined(value)) {\r\n elem[method] = value;\r\n }\r\n return elem[method];\r\n }\r\n }\r\n\r\n if (window.getComputedStyle) {\r\n getStyle = (elem) => window.getComputedStyle(elem, null);\r\n convertToPx = (elem, value) => parseFloat(value);\r\n } else {\r\n getStyle = (elem) => elem.currentStyle;\r\n convertToPx = (elem, value) => {\r\n let left, result, rs, rsLeft, style;\r\n let core_pnum = /[+-]?(?:\\d*\\.|)\\d+(?:[eE][+-]?\\d+|)/.source;\r\n let rnumnonpx = new RegExp('^(' + core_pnum + ')(?!px)[a-z%]+$', 'i');\r\n\r\n if (!rnumnonpx.test(value)) {\r\n return parseFloat(value);\r\n }\r\n\r\n // ported from JQuery\r\n style = elem.style;\r\n left = style.left;\r\n rs = elem.runtimeStyle;\r\n rsLeft = rs && rs.left;\r\n if (rs) {\r\n rs.left = style.left;\r\n }\r\n // put in the new values to get a computed style out\r\n style.left = value;\r\n result = style.pixelLeft;\r\n style.left = left;\r\n if (rsLeft) {\r\n rs.left = rsLeft;\r\n }\r\n return result;\r\n };\r\n }\r\n\r\n function getMeasurements(elem, measure) {\r\n let base, borderA, borderB, computedMarginA, computedMarginB, computedStyle, dirA, dirB, marginA, marginB, paddingA, paddingB;\r\n\r\n if (isWindow(elem)) {\r\n base = document.documentElement[{height: 'clientHeight', width: 'clientWidth'}[measure]];\r\n\r\n return {\r\n base: base,\r\n padding: 0,\r\n border: 0,\r\n margin: 0\r\n };\r\n }\r\n\r\n // Start with offset property\r\n [\r\n base,\r\n dirA,\r\n dirB\r\n ] = {\r\n width: [\r\n elem.offsetWidth,\r\n 'Left',\r\n 'Right'\r\n ],\r\n height: [\r\n elem.offsetHeight,\r\n 'Top',\r\n 'Bottom'\r\n ]\r\n }[measure];\r\n\r\n computedStyle = getStyle(elem);\r\n paddingA = convertToPx(elem, computedStyle['padding' + dirA]) || 0;\r\n paddingB = convertToPx(elem, computedStyle['padding' + dirB]) || 0;\r\n borderA = convertToPx(elem, computedStyle['border' + dirA + 'Width']) || 0;\r\n borderB = convertToPx(elem, computedStyle['border' + dirB + 'Width']) || 0;\r\n computedMarginA = computedStyle['margin' + dirA];\r\n computedMarginB = computedStyle['margin' + dirB];\r\n\r\n // I do not care for width for now, so this hack is irrelevant\r\n // if ( !supportsPercentMargin )\r\n // computedMarginA = hackPercentMargin( elem, computedStyle, computedMarginA )\r\n // computedMarginB = hackPercentMargin( elem, computedStyle, computedMarginB )\r\n marginA = convertToPx(elem, computedMarginA) || 0;\r\n marginB = convertToPx(elem, computedMarginB) || 0;\r\n\r\n return {\r\n base: base,\r\n padding: paddingA + paddingB,\r\n border: borderA + borderB,\r\n margin: marginA + marginB\r\n };\r\n }\r\n\r\n function getWidthHeight(elem, direction, measure) {\r\n let computedStyle, result;\r\n\r\n let measurements = getMeasurements(elem, direction);\r\n\r\n if (measurements.base > 0) {\r\n return {\r\n base: measurements.base - measurements.padding - measurements.border,\r\n outer: measurements.base,\r\n outerfull: measurements.base + measurements.margin\r\n }[measure];\r\n }\r\n\r\n // Fall back to computed then uncomputed css if necessary\r\n computedStyle = getStyle(elem);\r\n result = computedStyle[direction];\r\n\r\n if (result < 0 || result === null) {\r\n result = elem.style[direction] || 0;\r\n }\r\n\r\n // Normalize \"\", auto, and prepare for extra\r\n result = parseFloat(result) || 0;\r\n\r\n return {\r\n base: result - measurements.padding - measurements.border,\r\n outer: result,\r\n outerfull: result + measurements.padding + measurements.border + measurements.margin\r\n }[measure];\r\n }\r\n\r\n // define missing methods\r\n return angular.forEach({\r\n before(newElem) {\r\n var children, elem, i, j, parent, ref, self;\r\n self = this;\r\n elem = self[0];\r\n parent = self.parent();\r\n children = parent.contents();\r\n if (children[0] === elem) {\r\n return parent.prepend(newElem);\r\n } else {\r\n for (i = j = 1, ref = children.length - 1; 1 <= ref ? j <= ref : j >= ref; i = 1 <= ref ? ++j : --j) {\r\n if (children[i] === elem) {\r\n angular.element(children[i - 1]).after(newElem);\r\n return;\r\n }\r\n }\r\n throw new Error('invalid DOM structure ' + elem.outerHTML);\r\n }\r\n },\r\n height (value){\r\n var self;\r\n self = this;\r\n if (angular.isDefined(value)) {\r\n if (angular.isNumber(value)) {\r\n value = value + 'px';\r\n }\r\n return css.call(self, 'height', value);\r\n } else {\r\n return getWidthHeight(this[0], 'height', 'base');\r\n }\r\n },\r\n outerHeight(option) {\r\n return getWidthHeight(this[0], 'height', option ? 'outerfull' : 'outer');\r\n },\r\n outerWidth(option) {\r\n return getWidthHeight(this[0], 'width', option ? 'outerfull' : 'outer');\r\n },\r\n\r\n /*\r\n The offset setter method is not implemented\r\n */\r\n offset(value) {\r\n let docElem, win;\r\n let self = this;\r\n let box = {\r\n top: 0,\r\n left: 0\r\n };\r\n let elem = self[0];\r\n let doc = elem && elem.ownerDocument;\r\n\r\n if (arguments.length) {\r\n if (value === undefined) {\r\n return self;\r\n }\r\n // TODO: implement setter\r\n throw new Error('offset setter method is not implemented');\r\n }\r\n\r\n if (!doc) {\r\n return;\r\n }\r\n\r\n docElem = doc.documentElement;\r\n\r\n // TODO: Make sure it's not a disconnected DOM node\r\n\r\n if (elem.getBoundingClientRect != null) {\r\n box = elem.getBoundingClientRect();\r\n }\r\n\r\n win = doc.defaultView || doc.parentWindow;\r\n\r\n return {\r\n top: box.top + (win.pageYOffset || docElem.scrollTop) - (docElem.clientTop || 0),\r\n left: box.left + (win.pageXOffset || docElem.scrollLeft) - (docElem.clientLeft || 0)\r\n };\r\n },\r\n scrollTop(value) {\r\n return scrollTo(this, 'top', value);\r\n },\r\n scrollLeft(value) {\r\n return scrollTo(this, 'left', value);\r\n }\r\n }, (value, key) => {\r\n if (!element.prototype[key]) {\r\n return element.prototype[key] = value;\r\n }\r\n });\r\n }\r\n\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/modules/jqLiteExtras.js","import Padding from './padding';\r\n\r\nexport default function Viewport(elementRoutines, buffer, element, viewportController, $rootScope, padding) {\r\n let topPadding = null;\r\n let bottomPadding = null;\r\n const viewport = viewportController && viewportController.viewport ? viewportController.viewport : angular.element(window);\r\n const container = viewportController && viewportController.container ? viewportController.container : undefined;\r\n const scope = viewportController && viewportController.scope ? viewportController.scope : $rootScope;\r\n\r\n viewport.css({\r\n 'overflow-anchor': 'none',\r\n 'overflow-y': 'auto',\r\n 'display': 'block'\r\n });\r\n\r\n function bufferPadding() {\r\n return viewport.outerHeight() * padding; // some extra space to initiate preload\r\n }\r\n\r\n angular.extend(viewport, {\r\n getScope() {\r\n return scope;\r\n },\r\n\r\n createPaddingElements(template) {\r\n topPadding = new Padding(template);\r\n bottomPadding = new Padding(template);\r\n element.before(topPadding);\r\n element.after(bottomPadding);\r\n },\r\n\r\n applyContainerStyle() {\r\n if (container && container !== viewport) {\r\n viewport.css('height', window.getComputedStyle(container[0]).height);\r\n }\r\n },\r\n\r\n bottomDataPos() {\r\n let scrollHeight = viewport[0].scrollHeight;\r\n scrollHeight = scrollHeight != null ? scrollHeight : viewport[0].document.documentElement.scrollHeight;\r\n return scrollHeight - bottomPadding.height();\r\n },\r\n\r\n topDataPos() {\r\n return topPadding.height();\r\n },\r\n\r\n bottomVisiblePos() {\r\n return viewport.scrollTop() + viewport.outerHeight();\r\n },\r\n\r\n topVisiblePos() {\r\n return viewport.scrollTop();\r\n },\r\n\r\n insertElement(e, sibling) {\r\n return elementRoutines.insertElement(e, sibling || topPadding);\r\n },\r\n\r\n insertElementAnimated(e, sibling) {\r\n return elementRoutines.insertElementAnimated(e, sibling || topPadding);\r\n },\r\n\r\n shouldLoadBottom() {\r\n return !buffer.eof && viewport.bottomDataPos() < viewport.bottomVisiblePos() + bufferPadding();\r\n },\r\n\r\n clipBottom() {\r\n // clip the invisible items off the bottom\r\n let overage = 0;\r\n let overageHeight = 0;\r\n let itemHeight = 0;\r\n let emptySpaceHeight = viewport.bottomDataPos() - viewport.bottomVisiblePos() - bufferPadding();\r\n\r\n for (let i = buffer.length - 1; i >= 0; i--) {\r\n itemHeight = buffer[i].element.outerHeight(true);\r\n if (overageHeight + itemHeight > emptySpaceHeight) {\r\n break;\r\n }\r\n bottomPadding.cache.add(buffer[i]);\r\n overageHeight += itemHeight;\r\n overage++;\r\n }\r\n\r\n if (overage > 0) {\r\n buffer.eof = false;\r\n buffer.remove(buffer.length - overage, buffer.length);\r\n buffer.next -= overage;\r\n viewport.adjustPaddings();\r\n }\r\n },\r\n\r\n shouldLoadTop() {\r\n return !buffer.bof && (viewport.topDataPos() > viewport.topVisiblePos() - bufferPadding());\r\n },\r\n\r\n clipTop() {\r\n // clip the invisible items off the top\r\n let overage = 0;\r\n let overageHeight = 0;\r\n let itemHeight = 0;\r\n let emptySpaceHeight = viewport.topVisiblePos() - viewport.topDataPos() - bufferPadding();\r\n\r\n for (let i = 0; i < buffer.length; i++) {\r\n itemHeight = buffer[i].element.outerHeight(true);\r\n if (overageHeight + itemHeight > emptySpaceHeight) {\r\n break;\r\n }\r\n topPadding.cache.add(buffer[i]);\r\n overageHeight += itemHeight;\r\n overage++;\r\n }\r\n\r\n if (overage > 0) {\r\n // we need to adjust top padding element before items are removed from top\r\n // to avoid strange behaviour of scroll bar during remove top items when we are at the very bottom\r\n topPadding.height(topPadding.height() + overageHeight);\r\n buffer.bof = false;\r\n buffer.remove(0, overage);\r\n buffer.first += overage;\r\n }\r\n },\r\n\r\n adjustPaddings() {\r\n if (!buffer.length) {\r\n return;\r\n }\r\n\r\n // precise heights calculation, items that were in buffer once\r\n let topPaddingHeight = topPadding.cache.reduce((summ, item) => summ + (item.index < buffer.first ? item.height : 0), 0);\r\n let bottomPaddingHeight = bottomPadding.cache.reduce((summ, item) => summ + (item.index >= buffer.next ? item.height : 0), 0);\r\n\r\n // average item height based on buffer data\r\n let visibleItemsHeight = buffer.reduce((summ, item) => summ + item.element.outerHeight(true), 0);\r\n let averageItemHeight = (visibleItemsHeight + topPaddingHeight + bottomPaddingHeight) / (buffer.maxIndex - buffer.minIndex + 1);\r\n\r\n // average heights calculation, items that have never been reached\r\n let adjustTopPadding = buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser;\r\n let adjustBottomPadding = buffer.maxIndexUser !== null && buffer.maxIndex < buffer.maxIndexUser;\r\n let topPaddingHeightAdd = adjustTopPadding ? (buffer.minIndex - buffer.minIndexUser) * averageItemHeight : 0;\r\n let bottomPaddingHeightAdd = adjustBottomPadding ? (buffer.maxIndexUser - buffer.maxIndex) * averageItemHeight : 0;\r\n\r\n // paddings combine adjustment\r\n topPadding.height(topPaddingHeight + topPaddingHeightAdd);\r\n bottomPadding.height(bottomPaddingHeight + bottomPaddingHeightAdd);\r\n },\r\n\r\n onAfterMinIndexSet(topPaddingHeightOld) {\r\n // additional scrollTop adjustment in case of datasource.minIndex external set\r\n if (buffer.minIndexUser !== null && buffer.minIndex > buffer.minIndexUser) {\r\n let diff = topPadding.height() - topPaddingHeightOld;\r\n viewport.scrollTop(viewport.scrollTop() + diff);\r\n diff -= viewport.scrollTop();\r\n if(diff > 0) {\r\n bottomPadding.height(bottomPadding.height() + diff);\r\n viewport.scrollTop(viewport.scrollTop() + diff);\r\n }\r\n }\r\n },\r\n\r\n onAfterPrepend(updates) {\r\n if (!updates.prepended.length)\r\n return;\r\n const height = buffer.effectiveHeight(updates.prepended);\r\n const paddingHeight = topPadding.height() - height;\r\n if (paddingHeight >= 0) {\r\n topPadding.height(paddingHeight);\r\n }\r\n else {\r\n topPadding.height(0);\r\n viewport.scrollTop(viewport.scrollTop() - paddingHeight);\r\n }\r\n },\r\n\r\n resetTopPadding() {\r\n topPadding.height(0);\r\n topPadding.cache.clear();\r\n },\r\n\r\n resetBottomPadding() {\r\n bottomPadding.height(0);\r\n bottomPadding.cache.clear();\r\n },\r\n\r\n removeItem(item) {\r\n topPadding.cache.remove(item);\r\n bottomPadding.cache.remove(item);\r\n return buffer.remove(item);\r\n }\r\n });\r\n\r\n return viewport;\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ./src/modules/viewport.js","// Can't just extend the Array, due to Babel does not support built-in classes extending\r\n// This solution was taken from https://stackoverflow.com/questions/46897414/es6-class-extends-array-workaround-for-es5-babel-transpile\r\nclass CacheProto {\r\n add(item) {\r\n for (let i = this.length - 1; i >= 0; i--) {\r\n if (this[i].index === item.scope.$index) {\r\n this[i].height = item.element.outerHeight();\r\n return;\r\n }\r\n }\r\n this.push({\r\n index: item.scope.$index,\r\n height: item.element.outerHeight()\r\n });\r\n this.sort((a, b) => ((a.index < b.index) ? -1 : ((a.index > b.index) ? 1 : 0)));\r\n }\r\n\r\n remove(itemToRemove) {\r\n for (let i = this.length - 1; i >= 0; i--) {\r\n if (this[i].index === itemToRemove.scope.$index) {\r\n this.splice(i, 1);\r\n break;\r\n }\r\n }\r\n if(itemToRemove._op !== 'isTop') {\r\n for (let i = this.length - 1; i >= 0; i--) {\r\n if (this[i].index > itemToRemove.scope.$index) {\r\n this[i].index--;\r\n }\r\n }\r\n }\r\n }\r\n\r\n clear() {\r\n this.length = 0;\r\n }\r\n}\r\n\r\nfunction Cache() {\r\n const instance = [];\r\n instance.push.apply(instance, arguments);\r\n Object.setPrototypeOf(instance, Cache.prototype);\r\n return instance;\r\n}\r\nCache.prototype = Object.create(Array.prototype);\r\nObject.getOwnPropertyNames(CacheProto.prototype).forEach(methodName =>\r\n Cache.prototype[methodName] = CacheProto.prototype[methodName]\r\n);\r\n\r\nexport default function Padding(template) {\r\n let result;\r\n\r\n if(template.nodeType !== Node.ELEMENT_NODE) {\r\n throw new Error('ui-scroll directive requires an Element node for templating the view');\r\n }\r\n\r\n switch (template.tagName.toLowerCase()) {\r\n case 'dl':\r\n throw new Error(`ui-scroll directive does not support <${template.tagName}> as a repeating tag: ${template.outerHTML}`);\r\n case 'tr':\r\n let table = angular.element('
    ');\r\n result = table.find('tr');\r\n break;\r\n case 'li':\r\n result = angular.element('
  • ');\r\n break;\r\n default:\r\n result = angular.element('
    ');\r\n }\r\n\r\n result.cache = new Cache();\r\n\r\n return result;\r\n}\n\n\n// WEBPACK FOOTER //\n// ./src/modules/padding.js","import JQLiteExtras from './modules/jqLiteExtras';\nimport ElementRoutines from './modules/elementRoutines.js';\nimport ScrollBuffer from './modules/buffer.js';\nimport Viewport from './modules/viewport.js';\nimport Adapter from './modules/adapter.js';\n\nangular.module('ui.scroll', [])\n\n .service('jqLiteExtras', () => new JQLiteExtras())\n .run(['jqLiteExtras', (jqLiteExtras) =>\n !window.jQuery ? jqLiteExtras.registerFor(angular.element) : null\n ])\n\n .directive('uiScrollViewport', function () {\n return {\n restrict: 'A',\n controller: [\n '$scope',\n '$element',\n function (scope, element) {\n this.container = element;\n this.viewport = element;\n this.scope = scope;\n\n angular.forEach(element.children(), (child => {\n if (child.tagName.toLowerCase() === 'tbody') {\n this.viewport = angular.element(child);\n }\n }));\n\n return this;\n }\n ]\n };\n })\n\n .directive('uiScroll', [\n '$log',\n '$injector',\n '$rootScope',\n '$timeout',\n '$q',\n '$parse',\n function (console, $injector, $rootScope, $timeout, $q, $parse) {\n\n return {\n require: ['?^uiScrollViewport'],\n restrict: 'A',\n transclude: 'element',\n priority: 1000,\n terminal: true,\n link: link\n };\n\n function link($scope, element, $attr, controllers, linker) {\n const match = $attr.uiScroll.match(/^\\s*(\\w+)\\s+in\\s+([(\\w|\\$)\\.]+)\\s*$/);\n if (!match) {\n throw new Error('Expected uiScroll in form of \\'_item_ in _datasource_\\' but got \\'' + $attr.uiScroll + '\\'');\n }\n\n function parseNumericAttr(value, defaultValue) {\n let result = $parse(value)($scope);\n return isNaN(result) ? defaultValue : result;\n }\n\n const BUFFER_MIN = 3;\n const BUFFER_DEFAULT = 10;\n const PADDING_MIN = 0.3;\n const PADDING_DEFAULT = 0.5;\n\n let datasource = null;\n const itemName = match[1];\n const datasourceName = match[2];\n const viewportController = controllers[0];\n const bufferSize = Math.max(BUFFER_MIN, parseNumericAttr($attr.bufferSize, BUFFER_DEFAULT));\n const padding = Math.max(PADDING_MIN, parseNumericAttr($attr.padding, PADDING_DEFAULT));\n let startIndex = parseNumericAttr($attr.startIndex, 1);\n let ridActual = 0;// current data revision id\n let pending = [];\n\n let elementRoutines = new ElementRoutines($injector, $q);\n let buffer = new ScrollBuffer(elementRoutines, bufferSize);\n let viewport = new Viewport(elementRoutines, buffer, element, viewportController, $rootScope, padding);\n let adapter = new Adapter(viewport, buffer, adjustBuffer, reload, $attr, $parse, element, $scope);\n\n if (viewportController) {\n viewportController.adapter = adapter;\n }\n\n let isDatasourceValid = () => angular.isObject(datasource) && angular.isFunction(datasource.get);\n datasource = $parse(datasourceName)($scope); // try to get datasource on scope\n if (!isDatasourceValid()) {\n datasource = $injector.get(datasourceName); // try to inject datasource as service\n if (!isDatasourceValid()) {\n throw new Error(datasourceName + ' is not a valid datasource');\n }\n }\n\n let onRenderHandlers = [];\n function onRenderHandlersRunner() {\n if(onRenderHandlers.length) {\n angular.forEach(onRenderHandlers, (handler) => handler());\n onRenderHandlers = [];\n }\n }\n function preDefineIndexProperty(datasource, propName) {\n let getter;\n // need to postpone min/maxIndexUser processing if the view is empty\n if(datasource.hasOwnProperty(propName) && !buffer.length) {\n getter = datasource[propName];\n delete datasource[propName];\n onRenderHandlers.push(() => datasource[propName] = getter);\n }\n }\n\n function defineIndexProperty(datasource, propName, propUserName) {\n let descriptor = Object.getOwnPropertyDescriptor(datasource, propName);\n if (descriptor && (descriptor.set || descriptor.get)) {\n return;\n }\n let getter;\n preDefineIndexProperty(datasource, propName);\n Object.defineProperty(datasource, propName, {\n set: (value) => {\n getter = value;\n buffer[propUserName] = value;\n let topPaddingHeightOld = viewport.topDataPos();\n viewport.adjustPaddings();\n if (propName === 'minIndex') {\n viewport.onAfterMinIndexSet(topPaddingHeightOld);\n }\n },\n get: () => getter\n });\n }\n\n defineIndexProperty(datasource, 'minIndex', 'minIndexUser');\n defineIndexProperty(datasource, 'maxIndex', 'maxIndexUser');\n\n const fetchNext = (datasource.get.length !== 2) ?\n (success) => datasource.get(buffer.next, bufferSize, success) :\n (success) => {\n datasource.get({\n index: buffer.next,\n append: buffer.length ? buffer[buffer.length - 1].item : void 0,\n count: bufferSize\n }, success);\n };\n\n const fetchPrevious = (datasource.get.length !== 2) ?\n (success) => datasource.get(buffer.first - bufferSize, bufferSize, success) :\n (success) => {\n datasource.get({\n index: buffer.first - bufferSize,\n prepend: buffer.length ? buffer[0].item : void 0,\n count: bufferSize\n }, success);\n };\n\n /**\n * Build padding elements\n *\n * Calling linker is the only way I found to get access to the tag name of the template\n * to prevent the directive scope from pollution a new scope is created and destroyed\n * right after the builder creation is completed\n */\n linker((clone, scope) => {\n viewport.createPaddingElements(clone[0]);\n // we do not include the clone in the DOM. It means that the nested directives will not\n // be able to reach the parent directives, but in this case it is intentional because we\n // created the clone to access the template tag name\n scope.$destroy();\n clone.remove();\n });\n\n $scope.$on('$destroy', () => {\n unbindEvents();\n viewport.unbind('mousewheel', wheelHandler);\n });\n\n viewport.bind('mousewheel', wheelHandler);\n\n $timeout(() => {\n viewport.applyContainerStyle();\n reload();\n });\n\n /* Private function definitions */\n\n function isInvalid(rid) {\n return (rid && rid !== ridActual) || $scope.$$destroyed;\n }\n\n function bindEvents() {\n viewport.bind('resize', resizeAndScrollHandler);\n viewport.bind('scroll', resizeAndScrollHandler);\n }\n\n function unbindEvents() {\n viewport.unbind('resize', resizeAndScrollHandler);\n viewport.unbind('scroll', resizeAndScrollHandler);\n }\n\n function reload() {\n viewport.resetTopPadding();\n viewport.resetBottomPadding();\n if (arguments.length) {\n startIndex = arguments[0];\n }\n buffer.reset(startIndex);\n adjustBuffer();\n }\n\n function isElementVisible(wrapper) {\n return wrapper.element.height() && wrapper.element[0].offsetParent;\n }\n\n function visibilityWatcher(wrapper) {\n if (isElementVisible(wrapper)) {\n buffer.forEach((item) => {\n if (angular.isFunction(item.unregisterVisibilityWatcher)) {\n item.unregisterVisibilityWatcher();\n delete item.unregisterVisibilityWatcher;\n }\n });\n if (!pending.length) {\n $timeout(() => adjustBuffer());\n }\n }\n }\n\n function insertWrapperContent(wrapper, insertAfter) {\n createElement(wrapper, insertAfter, viewport.insertElement);\n if (!isElementVisible(wrapper)) {\n wrapper.unregisterVisibilityWatcher = wrapper.scope.$watch(() => visibilityWatcher(wrapper));\n }\n elementRoutines.hideElement(wrapper); // hide inserted elements before data binding\n }\n\n function createElement(wrapper, insertAfter, insertElement) {\n let promises = null;\n let sibling = (insertAfter > 0) ? buffer[insertAfter - 1].element : undefined;\n linker((clone, scope) => {\n promises = insertElement(clone, sibling);\n wrapper.element = clone;\n wrapper.scope = scope;\n scope[itemName] = wrapper.item;\n });\n // ui-scroll-grid apply\n if (adapter.transform) {\n let tdInitializer = wrapper.scope.uiScrollTdInitializer;\n if (tdInitializer && tdInitializer.linking) {\n adapter.transform(wrapper.scope, wrapper.element);\n } else {\n wrapper.scope.uiScrollTdInitializer = {\n onLink: () => adapter.transform(wrapper.scope, wrapper.element),\n scope: wrapper.scope\n };\n }\n }\n return promises;\n }\n\n function updateDOM() {\n let promises = [];\n const toBePrepended = [];\n const toBeRemoved = [];\n const inserted = [];\n\n buffer.forEach((wrapper, i) => {\n switch (wrapper.op) {\n case 'prepend':\n toBePrepended.unshift(wrapper);\n break;\n case 'append':\n insertWrapperContent(wrapper, i);\n wrapper.op = 'none';\n inserted.push(wrapper);\n break;\n case 'insert':\n promises = promises.concat(createElement(wrapper, i, viewport.insertElementAnimated));\n wrapper.op = 'none';\n inserted.push(wrapper);\n break;\n case 'remove':\n toBeRemoved.push(wrapper);\n }\n });\n\n toBeRemoved.forEach((wrapper) => promises = promises.concat(viewport.removeItem(wrapper)));\n\n if (toBePrepended.length)\n toBePrepended.forEach((wrapper) => {\n insertWrapperContent(wrapper);\n wrapper.op = 'none';\n });\n\n buffer.forEach((item, i) => item.scope.$index = buffer.first + i);\n\n return {\n prepended: toBePrepended,\n removed: toBeRemoved,\n inserted: inserted,\n animated: promises\n };\n\n }\n\n function updatePaddings(rid, updates) {\n // schedule another adjustBuffer after animation completion\n if (updates.animated.length) {\n $q.all(updates.animated).then(() => {\n viewport.adjustPaddings();\n adjustBuffer(rid);\n });\n } else {\n viewport.adjustPaddings();\n }\n }\n\n function enqueueFetch(rid, updates) {\n if (viewport.shouldLoadBottom()) {\n if (!updates || buffer.effectiveHeight(updates.inserted) > 0) {\n // this means that at least one item appended in the last batch has height > 0\n if (pending.push(true) === 1) {\n adapter.loading(true);\n fetch(rid);\n }\n }\n } else if (viewport.shouldLoadTop()) {\n if ((!updates || buffer.effectiveHeight(updates.prepended) > 0) || pending[0]) {\n // this means that at least one item appended in the last batch has height > 0\n // pending[0] = true means that previous fetch was appending. We need to force at least one prepend\n // BTW there will always be at least 1 element in the pending array because bottom is fetched first\n if (pending.push(false) === 1) {\n adapter.loading(true);\n fetch(rid);\n }\n }\n }\n }\n\n function processUpdates() {\n const updates = updateDOM();\n\n // We need the item bindings to be processed before we can do adjustments\n !$scope.$$phase && !$rootScope.$$phase && $scope.$digest();\n\n updates.inserted.forEach(w => elementRoutines.showElement(w));\n updates.prepended.forEach(w => elementRoutines.showElement(w));\n return updates;\n }\n\n function adjustBuffer(rid) {\n if (!rid) { // dismiss pending requests\n pending = [];\n rid = ++ridActual;\n }\n\n const updates = processUpdates();\n\n if (isInvalid(rid)) {\n return;\n }\n\n updatePaddings(rid, updates);\n enqueueFetch(rid);\n\n if (!pending.length) {\n adapter.calculateProperties();\n }\n }\n\n function adjustBufferAfterFetch(rid) {\n const updates = processUpdates();\n\n viewport.onAfterPrepend(updates);\n\n if (isInvalid(rid)) {\n return;\n }\n\n updatePaddings(rid, updates);\n onRenderHandlersRunner();\n enqueueFetch(rid, updates);\n pending.shift();\n\n if (pending.length)\n fetch(rid);\n else {\n adapter.loading(false);\n bindEvents();\n adapter.calculateProperties();\n }\n }\n\n function fetch(rid) {\n if (pending[0]) {// scrolling down\n if (buffer.length && !viewport.shouldLoadBottom()) {\n adjustBufferAfterFetch(rid);\n } else {\n fetchNext((result) => {\n if (isInvalid(rid)) {\n return;\n }\n\n if (result.length < bufferSize) {\n buffer.eof = true;\n }\n\n if (result.length > 0) {\n viewport.clipTop();\n buffer.append(result);\n }\n\n adjustBufferAfterFetch(rid);\n });\n }\n } else { // scrolling up\n if (buffer.length && !viewport.shouldLoadTop()) {\n adjustBufferAfterFetch(rid);\n } else {\n fetchPrevious((result) => {\n if (isInvalid(rid)) {\n return;\n }\n\n if (result.length < bufferSize) {\n buffer.bof = true;\n // log 'bof is reached'\n }\n\n if (result.length > 0) {\n if (buffer.length) {\n viewport.clipBottom();\n }\n buffer.prepend(result);\n }\n\n adjustBufferAfterFetch(rid);\n });\n }\n }\n }\n\n function resizeAndScrollHandler() {\n if (!$rootScope.$$phase && !adapter.isLoading && !adapter.disabled) {\n\n enqueueFetch(ridActual);\n\n if (pending.length) {\n unbindEvents();\n } else {\n adapter.calculateProperties();\n !$scope.$$phase && $scope.$digest();\n }\n }\n }\n\n function wheelHandler(event) {\n if (!adapter.disabled) {\n let scrollTop = viewport[0].scrollTop;\n let yMax = viewport[0].scrollHeight - viewport[0].clientHeight;\n\n if ((scrollTop === 0 && !buffer.bof) || (scrollTop === yMax && !buffer.eof)) {\n event.preventDefault();\n }\n }\n }\n }\n\n }\n ]);\n\n\n// WEBPACK FOOTER //\n// ./src/ui-scroll.js"],"sourceRoot":""} \ No newline at end of file diff --git a/src/ui-scroll.js b/src/ui-scroll.js index 976d631e..1ef81428 100644 --- a/src/ui-scroll.js +++ b/src/ui-scroll.js @@ -344,7 +344,7 @@ angular.module('ui.scroll', []) const updates = updateDOM(); // We need the item bindings to be processed before we can do adjustments - !$scope.$$phase && !$scope.$root.$$phase && $scope.$digest(); + !$scope.$$phase && !$rootScope.$$phase && $scope.$digest(); updates.inserted.forEach(w => elementRoutines.showElement(w)); updates.prepended.forEach(w => elementRoutines.showElement(w));