fckimagepreloader.js
64 lines
| 1.7 KiB
| application/javascript
|
JavascriptLexer
arturo
|
r0 | /* | ||
| * FCKeditor - The text editor for Internet - http://www.fckeditor.net | ||||
| * Copyright (C) 2003-2008 Frederico Caldeira Knabben | ||||
| * | ||||
| * == BEGIN LICENSE == | ||||
| * | ||||
| * Licensed under the terms of any of the following licenses at your | ||||
| * choice: | ||||
| * | ||||
| * - GNU General Public License Version 2 or later (the "GPL") | ||||
| * http://www.gnu.org/licenses/gpl.html | ||||
| * | ||||
| * - GNU Lesser General Public License Version 2.1 or later (the "LGPL") | ||||
| * http://www.gnu.org/licenses/lgpl.html | ||||
| * | ||||
| * - Mozilla Public License Version 1.1 or later (the "MPL") | ||||
| * http://www.mozilla.org/MPL/MPL-1.1.html | ||||
| * | ||||
| * == END LICENSE == | ||||
| * | ||||
| * Preload a list of images, firing an event when complete. | ||||
| */ | ||||
| var FCKImagePreloader = function() | ||||
| { | ||||
| this._Images = new Array() ; | ||||
| } | ||||
| FCKImagePreloader.prototype = | ||||
| { | ||||
| AddImages : function( images ) | ||||
| { | ||||
| if ( typeof( images ) == 'string' ) | ||||
| images = images.split( ';' ) ; | ||||
| this._Images = this._Images.concat( images ) ; | ||||
| }, | ||||
| Start : function() | ||||
| { | ||||
| var aImages = this._Images ; | ||||
| this._PreloadCount = aImages.length ; | ||||
| for ( var i = 0 ; i < aImages.length ; i++ ) | ||||
| { | ||||
| var eImg = document.createElement( 'img' ) ; | ||||
| FCKTools.AddEventListenerEx( eImg, 'load', _FCKImagePreloader_OnImage, this ) ; | ||||
| FCKTools.AddEventListenerEx( eImg, 'error', _FCKImagePreloader_OnImage, this ) ; | ||||
| eImg.src = aImages[i] ; | ||||
| _FCKImagePreloader_ImageCache.push( eImg ) ; | ||||
| } | ||||
| } | ||||
| }; | ||||
| // All preloaded images must be placed in a global array, otherwise the preload | ||||
| // magic will not happen. | ||||
| var _FCKImagePreloader_ImageCache = new Array() ; | ||||
| function _FCKImagePreloader_OnImage( ev, imagePreloader ) | ||||
| { | ||||
| if ( (--imagePreloader._PreloadCount) == 0 && imagePreloader.OnComplete ) | ||||
| imagePreloader.OnComplete() ; | ||||
| } | ||||