1 /* 2 * CKEditor - The text editor for Internet - http://ckeditor.com 3 * Copyright (C) 2003-2008 Frederico Caldeira Knabben 4 * 5 * == BEGIN LICENSE == 6 * 7 * Licensed under the terms of any of the following licenses at your 8 * choice: 9 * 10 * - GNU General Public License Version 2 or later (the "GPL") 11 * http://www.gnu.org/licenses/gpl.html 12 * 13 * - GNU Lesser General Public License Version 2.1 or later (the "LGPL") 14 * http://www.gnu.org/licenses/lgpl.html 15 * 16 * - Mozilla Public License Version 1.1 or later (the "MPL") 17 * http://www.mozilla.org/MPL/MPL-1.1.html 18 * 19 * == END LICENSE == 20 */ 21 22 /** 23 * @fileOverview Defines the {@link CKEDITOR.loader} objects, which is used to 24 * load core scripts and their dependencies from _source. 25 */ 26 27 if ( typeof CKEDITOR == 'undefined' ) 28 CKEDITOR = {}; 29 30 /** 31 * Load core scripts and their dependencies from _source. 32 * @namespace 33 * @example 34 */ 35 CKEDITOR.loader = (function() 36 { 37 // Table of script names and their dependencies. 38 var scripts = 39 { 40 'lang/en' : [], // TODO: Remove me 41 42 'core/_bootstrap' : [ 'core/config', 'core/ckeditor', 'core/plugins', 'core/scriptLoader', 'core/tools', /* The following are entries that we wnat to force loading to at the end to avoid dependence recursion */ 'core/dom/text' ], 43 'core/ajax' : [ 'core/xml' ], 44 'core/ckeditor' : [ 'core/ajax', 'core/ckeditor_basic', 'core/dom', 'core/dom/document', 'core/dom/element', 'core/editor', 'core/event', 'core/tools' ], 45 'core/ckeditor_base' : [], 46 'core/ckeditor_basic' : [ 'core/env', 'core/event' ], 47 'core/config' : [ 'core/ckeditor_base' ], 48 'core/dom' : [], 49 'core/dom/document' : [ 'core/dom','core/dom/element', 'core/dom/window' ], 50 'core/dom/element' : [ 'core/dom', 'core/dom/document', 'core/dom/node', 'core/tools' ], 51 'core/dom/node' : [], 52 'core/dom/text' : [ 'core/dom/node' ], 53 'core/dom/window' : [], 54 'core/editor' : [ 'core/config', 'core/event', 'core/plugins', 'core/skins', 'core/themes', 'core/tools' ], 55 'core/env' : [], 56 'core/event' : [], 57 'core/plugins' : [ 'core/resourceManager' ], 58 'core/resourceManager' : [ 'core/scriptLoader', 'core/tools' ], 59 'core/scriptLoader' : [ 'core/dom/element', 'core/env' ], 60 'core/skins' : [], 61 'core/themes' : [ 'lang/en', 'core/resourceManager' ], 62 'core/tools' : [ 'core/env' ], 63 'core/xml' : [ 'core/env' ] 64 }; 65 66 var basePath = (function() 67 { 68 // This is a copy of CKEDITOR.basePath, but requires the script having 69 // "_source/core/loader.js". 70 if ( CKEDITOR && CKEDITOR.basePath ) 71 return CKEDITOR.basePath; 72 73 // Find out the editor directory path, based on its <script> tag. 74 var path = ''; 75 var scripts = document.getElementsByTagName( 'script' ); 76 77 for ( var i = 0 ; i < scripts.length ; i++ ) 78 { 79 var match = scripts[i].src.match( /(^|.*[\\\/])core\/loader.js(?:\?.*)?$/i ); 80 81 if ( match ) 82 { 83 path = match[1]; 84 break; 85 } 86 } 87 88 // In IE (only) the script.src string is the raw valued entered in the 89 // HTML. Other browsers return the full resolved URL instead. 90 if ( path.indexOf('://') == -1 ) 91 { 92 // Absolute path. 93 if ( path.indexOf( '/' ) === 0 ) 94 path = location.href.match( /^.*?:\/\/[^\/]*/ )[0] + path; 95 // Relative path. 96 else 97 path = location.href.match( /^[^\?]*\// )[0] + path; 98 } 99 100 return path; 101 })(); 102 103 /** @lends CKEDITOR.loader */ 104 return { 105 /** 106 * The list of loaded scripts in their loading order. 107 * @type Array 108 * @example 109 * // Alert the loaded script names. 110 * alert( <b>CKEDITOR.loader.loadedScripts</b> ); 111 */ 112 loadedScripts : [], 113 114 /** 115 * Loads a specific script, including its dependencies. This is not a 116 * synchronous loading, which means that the code the be loaded will 117 * not necessarily be available after this call. 118 * @example 119 * CKEDITOR.loader.load( 'core/dom/element' ); 120 */ 121 load : function( scriptName ) 122 { 123 // Check if the script has already been loaded. 124 if ( scriptName in this.loadedScripts ) 125 return; 126 127 // Get the script dependencies list. 128 var dependencies = scripts[ scriptName ]; 129 if ( !dependencies ) 130 throw 'The script name"' + scriptName + '" is not defined.'; 131 132 // Mark the script as loaded, even before really loading it, to 133 // avoid cross references recursion. 134 this.loadedScripts[ scriptName ] = true; 135 136 // Load all dependencies first. 137 for ( var i = 0 ; i < dependencies.length ; i++ ) 138 this.load( dependencies[ i ] ); 139 140 // Append this script to the list of loaded scripts. 141 this.loadedScripts.push( scriptName ); 142 143 var scriptSrc = basePath + '_source/' + scriptName + '.js'; 144 145 // Append the <script> element to the DOM. 146 if ( document.body ) 147 { 148 var script = document.createElement( 'script' ); 149 script.type = 'text/javascript'; 150 script.src = scriptSrc; 151 152 document.body.appendChild( script ); 153 } 154 else 155 document.write( '<script src="' + scriptSrc + '" type="text/javascript"><\/script>' ); 156 } 157 }; 158 })(); 159 160 // Check if any script has been defined for autoload. 161 if ( CKEDITOR._autoLoad ) 162 { 163 CKEDITOR.loader.load( CKEDITOR._autoLoad ); 164 delete CKEDITOR._autoLoad; 165 } 166