[239] | 1 | /*
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| 2 | Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.
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| 3 | For licensing, see LICENSE.html or http://ckeditor.com/license
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| 4 | */
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| 5 |
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| 6 | /**
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| 7 | * @fileOverview Defines the {@link CKEDITOR.skins} object, which is used to
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| 8 | * manage skins loading.
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| 9 | */
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| 10 |
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| 11 | /**
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| 12 | * Manages skins loading.
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| 13 | * @namespace
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| 14 | * @example
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| 15 | */
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| 16 | CKEDITOR.skins = (function()
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| 17 | {
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| 18 | // Holds the list of loaded skins.
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| 19 | var loaded = {},
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| 20 | paths = {};
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| 21 |
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| 22 | var loadPart = function( editor, skinName, part, callback )
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| 23 | {
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| 24 | // Get the skin definition.
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| 25 | var skinDefinition = loaded[ skinName ];
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| 26 |
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| 27 | if ( !editor.skin )
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| 28 | {
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| 29 | editor.skin = skinDefinition;
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| 30 |
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| 31 | // Trigger init function if any.
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| 32 | if ( skinDefinition.init )
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| 33 | skinDefinition.init( editor );
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| 34 | }
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| 35 |
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| 36 | var appendSkinPath = function( fileNames )
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| 37 | {
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| 38 | for ( var n = 0 ; n < fileNames.length ; n++ )
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| 39 | {
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| 40 | fileNames[ n ] = CKEDITOR.getUrl( paths[ skinName ] + fileNames[ n ] );
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| 41 | }
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| 42 | };
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| 43 |
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| 44 | function fixCSSTextRelativePath( cssStyleText, baseUrl )
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| 45 | {
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| 46 | return cssStyleText.replace( /url\s*\(([\s'"]*)(.*?)([\s"']*)\)/g,
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| 47 | function( match, opener, path, closer )
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| 48 | {
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| 49 | if ( /^\/|^\w?:/.test( path ) )
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| 50 | return match;
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| 51 | else
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| 52 | return 'url(' + baseUrl + opener + path + closer + ')';
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| 53 | } );
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| 54 | }
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| 55 |
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| 56 | // Get the part definition.
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| 57 | part = skinDefinition[ part ];
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| 58 | var partIsLoaded = !part || !!part._isLoaded;
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| 59 |
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| 60 | // Call the callback immediately if already loaded.
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| 61 | if ( partIsLoaded )
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| 62 | callback && callback();
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| 63 | else
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| 64 | {
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| 65 | // Put the callback in a queue.
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| 66 | var pending = part._pending || ( part._pending = [] );
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| 67 | pending.push( callback );
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| 68 |
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| 69 | // We may have more than one skin part load request. Just the first
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| 70 | // one must do the loading job.
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| 71 | if ( pending.length > 1 )
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| 72 | return;
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| 73 |
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| 74 | // Check whether the "css" and "js" properties have been defined
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| 75 | // for that part.
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| 76 | var cssIsLoaded = !part.css || !part.css.length,
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| 77 | jsIsLoaded = !part.js || !part.js.length;
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| 78 |
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| 79 | // This is the function that will trigger the callback calls on
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| 80 | // load.
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| 81 | var checkIsLoaded = function()
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| 82 | {
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| 83 | if ( cssIsLoaded && jsIsLoaded )
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| 84 | {
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| 85 | // Mark the part as loaded.
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| 86 | part._isLoaded = 1;
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| 87 |
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| 88 | // Call all pending callbacks.
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| 89 | for ( var i = 0 ; i < pending.length ; i++ )
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| 90 | {
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| 91 | if ( pending[ i ] )
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| 92 | pending[ i ]();
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| 93 | }
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| 94 | }
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| 95 | };
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| 96 |
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| 97 | // Load the "css" pieces.
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| 98 | if ( !cssIsLoaded )
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| 99 | {
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| 100 | var cssPart = part.css;
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| 101 |
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| 102 | if ( CKEDITOR.tools.isArray( cssPart ) )
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| 103 | {
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| 104 | appendSkinPath( cssPart );
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| 105 | for ( var c = 0 ; c < cssPart.length ; c++ )
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| 106 | CKEDITOR.document.appendStyleSheet( cssPart[ c ] );
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| 107 | }
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| 108 | else
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| 109 | {
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| 110 | cssPart = fixCSSTextRelativePath(
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| 111 | cssPart, CKEDITOR.getUrl( paths[ skinName ] ) );
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| 112 | // Processing Inline CSS part.
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| 113 | CKEDITOR.document.appendStyleText( cssPart );
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| 114 | }
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| 115 |
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| 116 | part.css = cssPart;
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| 117 |
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| 118 | cssIsLoaded = 1;
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| 119 | }
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| 120 |
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| 121 | // Load the "js" pieces.
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| 122 | if ( !jsIsLoaded )
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| 123 | {
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| 124 | appendSkinPath( part.js );
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| 125 | CKEDITOR.scriptLoader.load( part.js, function()
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| 126 | {
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| 127 | jsIsLoaded = 1;
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| 128 | checkIsLoaded();
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| 129 | });
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| 130 | }
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| 131 |
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| 132 | // We may have nothing to load, so check it immediately.
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| 133 | checkIsLoaded();
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| 134 | }
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| 135 | };
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| 136 |
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| 137 | return /** @lends CKEDITOR.skins */ {
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| 138 |
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| 139 | /**
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| 140 | * Registers a skin definition.
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| 141 | * @param {String} skinName The skin name.
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| 142 | * @param {Object} skinDefinition The skin definition.
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| 143 | * @example
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| 144 | */
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| 145 | add : function( skinName, skinDefinition )
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| 146 | {
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| 147 | loaded[ skinName ] = skinDefinition;
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| 148 |
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| 149 | skinDefinition.skinPath = paths[ skinName ]
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| 150 | || ( paths[ skinName ] =
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| 151 | CKEDITOR.getUrl(
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| 152 | '_source/' + // @Packager.RemoveLine
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| 153 | 'skins/' + skinName + '/' ) );
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| 154 | },
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| 155 |
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| 156 | /**
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| 157 | * Loads a skin part. Skins are defined in parts, which are basically
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| 158 | * separated CSS files. This function is mainly used by the core code and
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| 159 | * should not have much use out of it.
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| 160 | * @param {String} skinName The name of the skin to be loaded.
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| 161 | * @param {String} skinPart The skin part to be loaded. Common skin parts
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| 162 | * are "editor" and "dialog".
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| 163 | * @param {Function} [callback] A function to be called once the skin
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| 164 | * part files are loaded.
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| 165 | * @example
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| 166 | */
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| 167 | load : function( editor, skinPart, callback )
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| 168 | {
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| 169 | var skinName = editor.skinName,
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| 170 | skinPath = editor.skinPath;
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| 171 |
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| 172 | if ( loaded[ skinName ] )
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| 173 | loadPart( editor, skinName, skinPart, callback );
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| 174 | else
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| 175 | {
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| 176 | paths[ skinName ] = skinPath;
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| 177 | CKEDITOR.scriptLoader.load( CKEDITOR.getUrl( skinPath + 'skin.js' ), function()
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| 178 | {
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| 179 | loadPart( editor, skinName, skinPart, callback );
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| 180 | });
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| 181 | }
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| 182 | }
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| 183 | };
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| 184 | })();
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