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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,175 @@ | ||
| 'use strict'; | ||
|
|
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| /** | ||
| * @ngdoc object | ||
| * @module ui.drop | ||
| * @name ui.drop.$dndDOM | ||
| * @requires $document | ||
| * @requires $window | ||
| * | ||
| * @description | ||
| * | ||
| * A set of utility methods that can be use to retrieve and manipulate DOM properties. | ||
| * | ||
| * (based on https://github.com/angular-ui/bootstrap/blob/master/src/position/position.js) | ||
| * | ||
| */ | ||
| var $dndDOMFactory = ['$document', '$window', function ($document, $window) { | ||
|
|
||
| function getStyle(el, cssprop) { | ||
| if (el.currentStyle) { //IE | ||
| return el.currentStyle[cssprop]; | ||
| } else if ($window.getComputedStyle) { | ||
| return $window.getComputedStyle(el)[cssprop]; | ||
| } | ||
| // finally try and get inline style | ||
| return el.style[cssprop]; | ||
| } | ||
|
|
||
| /** | ||
| * Checks if a given element is statically positioned | ||
| * @param element - raw DOM element | ||
| */ | ||
| function isStaticPositioned(element) { | ||
| return (getStyle(element, 'position') || 'static' ) === 'static'; | ||
| } | ||
|
|
||
| /** | ||
| * returns the closest, non-statically positioned parentOffset of a given element | ||
| * @param element | ||
| */ | ||
| var parentOffsetEl = function (element) { | ||
| var docDomEl = $document[0]; | ||
| var offsetParent = element.offsetParent || docDomEl; | ||
| while (offsetParent && offsetParent !== docDomEl && isStaticPositioned(offsetParent) ) { | ||
| offsetParent = offsetParent.offsetParent; | ||
| } | ||
| return offsetParent || docDomEl; | ||
| }; | ||
|
|
||
| function contains(a, b) { | ||
| var adown = a.nodeType === 9 ? a.documentElement : a, | ||
| bup = b && b.parentNode; | ||
| return a === bup || !!( bup && bup.nodeType === 1 && contains(adown, bup) ); | ||
| }; | ||
|
|
||
| function swapCss(element, css, callback, args) { | ||
| var ret, prop, old = {}; | ||
| for (prop in css) { | ||
| old[prop] = element.style[prop]; | ||
| element.style[prop] = css[prop]; | ||
| } | ||
|
|
||
| ret = callback.apply(element, args || []); | ||
|
|
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| for (prop in css) { | ||
| element.style[prop] = old[prop]; | ||
| } | ||
|
|
||
| return ret; | ||
| }; | ||
|
|
||
| var swapDisplay = /^(none|table(?!-c[ea]).+)/; | ||
|
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| var cssShow = { | ||
| position: 'absolute', | ||
| visibility: 'hidden', | ||
| display: 'block' | ||
| }; | ||
|
|
||
| return { | ||
| /** | ||
| * Provides read-only equivalent of jQuery's position function: | ||
| * http://api.jquery.com/position/ | ||
| */ | ||
| position: function (element) { | ||
| var elBCR = this.offset(element); | ||
| var offsetParentBCR = { top: 0, left: 0 }; | ||
| var offsetParentEl = parentOffsetEl(element[0]); | ||
| if (offsetParentEl != $document[0]) { | ||
| offsetParentBCR = this.offset(angular.element(offsetParentEl)); | ||
| offsetParentBCR.top += offsetParentEl.clientTop - offsetParentEl.scrollTop; | ||
| offsetParentBCR.left += offsetParentEl.clientLeft - offsetParentEl.scrollLeft; | ||
| } | ||
|
|
||
| var boundingClientRect = element[0].getBoundingClientRect(); | ||
| return { | ||
| width: boundingClientRect.width || element.prop('offsetWidth'), | ||
| height: boundingClientRect.height || element.prop('offsetHeight'), | ||
| top: elBCR.top - offsetParentBCR.top, | ||
| left: elBCR.left - offsetParentBCR.left | ||
| }; | ||
| }, | ||
|
|
||
| /** | ||
| * Provides read-only equivalent of jQuery's offset function: | ||
| * http://api.jquery.com/offset/ | ||
| */ | ||
| offset: function (element) { | ||
|
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| var doc = element[0] && element[0].ownerDocument; | ||
|
|
||
| if (!doc) { | ||
| return; | ||
| } | ||
|
|
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| doc = doc.documentElement; | ||
|
|
||
| if (!contains(doc, element[0])) { | ||
| return { top: 0, left: 0 }; | ||
| } | ||
|
|
||
| var boundingClientRect = element[0].getBoundingClientRect(); | ||
| return { | ||
| width: boundingClientRect.width || element.prop('offsetWidth'), | ||
| height: boundingClientRect.height || element.prop('offsetHeight'), | ||
| top: boundingClientRect.top + ($window.pageYOffset || $document[0].documentElement.scrollTop), | ||
| left: boundingClientRect.left + ($window.pageXOffset || $document[0].documentElement.scrollLeft) | ||
| }; | ||
| }, | ||
|
|
||
| /** | ||
| * Partial implementation of https://api.jquery.com/closest/ | ||
| * @param element | ||
| * @param value | ||
| * @returns {angular.element} | ||
| */ | ||
| closest: function(element, value) { | ||
| element = angular.element(element); | ||
| if ($.fn && angular.isFunction($.fn.closest)) { | ||
| return element.closest(value); | ||
| } | ||
| // Otherwise, assume it's a tag name... | ||
| element = element[0]; | ||
| value = value.toLowerCase(); | ||
| do { | ||
| if (element.nodeName.toLowerCase() === value) { | ||
| return angular.element(element); | ||
| } | ||
| } while (element = element.parentNode); | ||
| }, | ||
|
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||
| size: function(element) { | ||
| var jq = angular.element(element); | ||
| element = element.nodeName ? element : element[0]; | ||
| if (element.offsetWidth === 0 && swapDisplay.test(jq.css('display'))) { | ||
| return swapCss(element, cssShow, getHeightAndWidth, [element]); | ||
| } | ||
| return getHeightAndWidth(element); | ||
|
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| function getHeightAndWidth(element) { | ||
| return { | ||
| width: element.offsetWidth, | ||
| height: element.offsetHeight | ||
| }; | ||
| } | ||
| }, | ||
|
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||
| keepSize: function(element) { | ||
| var css = this.size(element); | ||
| css.width = css.width + 'px'; | ||
| css.height = css.height + 'px'; | ||
| return css; | ||
| } | ||
| }; | ||
| }]; |
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