/
ui-grid-render-container.js
189 lines (147 loc) · 8.59 KB
/
ui-grid-render-container.js
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(function () {
'use strict';
var module = angular.module('ui.grid');
module.directive('uiGridRenderContainer', ['$timeout', '$document', 'uiGridConstants', 'gridUtil', 'ScrollEvent',
function($timeout, $document, uiGridConstants, gridUtil, ScrollEvent) {
return {
replace: true,
transclude: true,
templateUrl: 'ui-grid/uiGridRenderContainer',
require: ['^uiGrid', 'uiGridRenderContainer'],
scope: {
containerId: '=',
rowContainerName: '=',
colContainerName: '=',
bindScrollHorizontal: '=',
bindScrollVertical: '=',
enableVerticalScrollbar: '=',
enableHorizontalScrollbar: '='
},
controller: 'uiGridRenderContainer as RenderContainer',
compile: function () {
return {
pre: function prelink($scope, $elm, $attrs, controllers) {
var uiGridCtrl = controllers[0];
var containerCtrl = controllers[1];
var grid = $scope.grid = uiGridCtrl.grid;
// Verify that the render container for this element exists
if (!$scope.rowContainerName) {
throw "No row render container name specified";
}
if (!$scope.colContainerName) {
throw "No column render container name specified";
}
if (!grid.renderContainers[$scope.rowContainerName]) {
throw "Row render container '" + $scope.rowContainerName + "' is not registered.";
}
if (!grid.renderContainers[$scope.colContainerName]) {
throw "Column render container '" + $scope.colContainerName + "' is not registered.";
}
var rowContainer = $scope.rowContainer = grid.renderContainers[$scope.rowContainerName];
var colContainer = $scope.colContainer = grid.renderContainers[$scope.colContainerName];
containerCtrl.containerId = $scope.containerId;
containerCtrl.rowContainer = rowContainer;
containerCtrl.colContainer = colContainer;
},
post: function postlink($scope, $elm, $attrs, controllers) {
var uiGridCtrl = controllers[0];
var containerCtrl = controllers[1];
var grid = uiGridCtrl.grid;
var rowContainer = containerCtrl.rowContainer;
var colContainer = containerCtrl.colContainer;
var scrollTop = null;
var scrollLeft = null;
var renderContainer = grid.renderContainers[$scope.containerId];
// Put the container name on this element as a class
$elm.addClass('ui-grid-render-container-' + $scope.containerId);
// Scroll the render container viewport when the mousewheel is used
gridUtil.on.mousewheel($elm, function (event) {
var scrollEvent = new ScrollEvent(grid, rowContainer, colContainer, ScrollEvent.Sources.RenderContainerMouseWheel);
if (event.deltaY !== 0) {
var scrollYAmount = event.deltaY * -1 * event.deltaFactor;
scrollTop = containerCtrl.viewport[0].scrollTop;
// Get the scroll percentage
scrollEvent.verticalScrollLength = rowContainer.getVerticalScrollLength();
var scrollYPercentage = (scrollTop + scrollYAmount) / scrollEvent.verticalScrollLength;
// If we should be scrolled 100%, make sure the scrollTop matches the maximum scroll length
// Viewports that have "overflow: hidden" don't let the mousewheel scroll all the way to the bottom without this check
if (scrollYPercentage >= 1 && scrollTop < scrollEvent.verticalScrollLength) {
containerCtrl.viewport[0].scrollTop = scrollEvent.verticalScrollLength;
}
// Keep scrollPercentage within the range 0-1.
if (scrollYPercentage < 0) { scrollYPercentage = 0; }
else if (scrollYPercentage > 1) { scrollYPercentage = 1; }
scrollEvent.y = { percentage: scrollYPercentage, pixels: scrollYAmount };
}
if (event.deltaX !== 0) {
var scrollXAmount = event.deltaX * event.deltaFactor;
// Get the scroll percentage
scrollLeft = gridUtil.normalizeScrollLeft(containerCtrl.viewport, grid);
scrollEvent.horizontalScrollLength = (colContainer.getCanvasWidth() - colContainer.getViewportWidth());
var scrollXPercentage = (scrollLeft + scrollXAmount) / scrollEvent.horizontalScrollLength;
// Keep scrollPercentage within the range 0-1.
if (scrollXPercentage < 0) { scrollXPercentage = 0; }
else if (scrollXPercentage > 1) { scrollXPercentage = 1; }
scrollEvent.x = { percentage: scrollXPercentage, pixels: scrollXAmount };
}
// Let the parent container scroll if the grid is already at the top/bottom
if ((event.deltaY !== 0 && (scrollEvent.atTop(scrollTop) || scrollEvent.atBottom(scrollTop))) ||
(event.deltaX !== 0 && (scrollEvent.atLeft(scrollLeft) || scrollEvent.atRight(scrollLeft)))) {
//parent controller scrolls
}
else {
event.preventDefault();
scrollEvent.fireThrottledScrollingEvent('', scrollEvent);
}
});
$elm.bind('$destroy', function() {
$elm.unbind('keydown');
['touchstart', 'touchmove', 'touchend','keydown', 'wheel', 'mousewheel', 'DomMouseScroll', 'MozMousePixelScroll'].forEach(function (eventName) {
$elm.unbind(eventName);
});
});
// TODO(c0bra): Handle resizing the inner canvas based on the number of elements
function update() {
var ret = '';
var canvasWidth = colContainer.canvasWidth;
var viewportWidth = colContainer.getViewportWidth();
var canvasHeight = rowContainer.getCanvasHeight();
//add additional height for scrollbar on left and right container
//if ($scope.containerId !== 'body') {
// canvasHeight -= grid.scrollbarHeight;
//}
var viewportHeight = rowContainer.getViewportHeight();
//shorten the height to make room for a scrollbar placeholder
if (colContainer.needsHScrollbarPlaceholder()) {
viewportHeight -= grid.scrollbarHeight;
}
var headerViewportWidth,
footerViewportWidth;
headerViewportWidth = footerViewportWidth = colContainer.getHeaderViewportWidth();
// Set canvas dimensions
ret += '\n .grid' + uiGridCtrl.grid.id + ' .ui-grid-render-container-' + $scope.containerId + ' .ui-grid-canvas { width: ' + canvasWidth + 'px; height: ' + canvasHeight + 'px; }';
ret += '\n .grid' + uiGridCtrl.grid.id + ' .ui-grid-render-container-' + $scope.containerId + ' .ui-grid-header-canvas { width: ' + (canvasWidth + grid.scrollbarWidth) + 'px; }';
if (renderContainer.explicitHeaderCanvasHeight) {
ret += '\n .grid' + uiGridCtrl.grid.id + ' .ui-grid-render-container-' + $scope.containerId + ' .ui-grid-header-canvas { height: ' + renderContainer.explicitHeaderCanvasHeight + 'px; }';
}
else {
ret += '\n .grid' + uiGridCtrl.grid.id + ' .ui-grid-render-container-' + $scope.containerId + ' .ui-grid-header-canvas { height: inherit; }';
}
ret += '\n .grid' + uiGridCtrl.grid.id + ' .ui-grid-render-container-' + $scope.containerId + ' .ui-grid-viewport { width: ' + viewportWidth + 'px; height: ' + viewportHeight + 'px; }';
ret += '\n .grid' + uiGridCtrl.grid.id + ' .ui-grid-render-container-' + $scope.containerId + ' .ui-grid-header-viewport { width: ' + headerViewportWidth + 'px; }';
ret += '\n .grid' + uiGridCtrl.grid.id + ' .ui-grid-render-container-' + $scope.containerId + ' .ui-grid-footer-canvas { width: ' + (canvasWidth + grid.scrollbarWidth) + 'px; }';
ret += '\n .grid' + uiGridCtrl.grid.id + ' .ui-grid-render-container-' + $scope.containerId + ' .ui-grid-footer-viewport { width: ' + footerViewportWidth + 'px; }';
return ret;
}
uiGridCtrl.grid.registerStyleComputation({
priority: 6,
func: update
});
}
};
}
};
}]);
module.controller('uiGridRenderContainer', ['$scope', 'gridUtil', function ($scope, gridUtil) {
}]);
})();