_source/core/editor.js

   1 /*\r
   2 Copyright (c) 2003-2010, CKSource - Frederico Knabben. All rights reserved.\r
   3 For licensing, see LICENSE.html or http://ckeditor.com/license\r
   4 */\r
   5 \r
   6 /**\r
   7  * @fileOverview Defines the {@link CKEDITOR.editor} class, which represents an\r
   8  *              editor instance.\r
   9  */\r
  10 \r
  11 (function()\r
  12 {\r
  13         // The counter for automatic instance names.\r
  14         var nameCounter = 0;\r
  15 \r
  16         var getNewName = function()\r
  17         {\r
  18                 var name = 'editor' + ( ++nameCounter );\r
  19                 return ( CKEDITOR.instances && CKEDITOR.instances[ name ] ) ? getNewName() : name;\r
  20         };\r
  21 \r
  22         // ##### START: Config Privates\r
  23 \r
  24         // These function loads custom configuration files and cache the\r
  25         // CKEDITOR.editorConfig functions defined on them, so there is no need to\r
  26         // download them more than once for several instances.\r
  27         var loadConfigLoaded = {};\r
  28         var loadConfig = function( editor )\r
  29         {\r
  30                 var customConfig = editor.config.customConfig;\r
  31 \r
  32                 // Check if there is a custom config to load.\r
  33                 if ( !customConfig )\r
  34                         return false;\r
  35 \r
  36                 customConfig = CKEDITOR.getUrl( customConfig );\r
  37 \r
  38                 var loadedConfig = loadConfigLoaded[ customConfig ] || ( loadConfigLoaded[ customConfig ] = {} );\r
  39 \r
  40                 // If the custom config has already been downloaded, reuse it.\r
  41                 if ( loadedConfig.fn )\r
  42                 {\r
  43                         // Call the cached CKEDITOR.editorConfig defined in the custom\r
  44                         // config file for the editor instance depending on it.\r
  45                         loadedConfig.fn.call( editor, editor.config );\r
  46 \r
  47                         // If there is no other customConfig in the chain, fire the\r
  48                         // "configLoaded" event.\r
  49                         if ( CKEDITOR.getUrl( editor.config.customConfig ) == customConfig || !loadConfig( editor ) )\r
  50                                 editor.fireOnce( 'customConfigLoaded' );\r
  51                 }\r
  52                 else\r
  53                 {\r
  54                         // Load the custom configuration file.\r
  55                         CKEDITOR.scriptLoader.load( customConfig, function()\r
  56                                 {\r
  57                                         // If the CKEDITOR.editorConfig function has been properly\r
  58                                         // defined in the custom configuration file, cache it.\r
  59                                         if ( CKEDITOR.editorConfig )\r
  60                                                 loadedConfig.fn = CKEDITOR.editorConfig;\r
  61                                         else\r
  62                                                 loadedConfig.fn = function(){};\r
  63 \r
  64                                         // Call the load config again. This time the custom\r
  65                                         // config is already cached and so it will get loaded.\r
  66                                         loadConfig( editor );\r
  67                                 });\r
  68                 }\r
  69 \r
  70                 return true;\r
  71         };\r
  72 \r
  73         var initConfig = function( editor, instanceConfig )\r
  74         {\r
  75                 // Setup the lister for the "customConfigLoaded" event.\r
  76                 editor.on( 'customConfigLoaded', function()\r
  77                         {\r
  78                                 if ( instanceConfig )\r
  79                                 {\r
  80                                         // Register the events that may have been set at the instance\r
  81                                         // configuration object.\r
  82                                         if ( instanceConfig.on )\r
  83                                         {\r
  84                                                 for ( var eventName in instanceConfig.on )\r
  85                                                 {\r
  86                                                         editor.on( eventName, instanceConfig.on[ eventName ] );\r
  87                                                 }\r
  88                                         }\r
  89 \r
  90                                         // Overwrite the settings from the in-page config.\r
  91                                         CKEDITOR.tools.extend( editor.config, instanceConfig, true );\r
  92 \r
  93                                         delete editor.config.on;\r
  94                                 }\r
  95 \r
  96                                 onConfigLoaded( editor );\r
  97                         });\r
  98 \r
  99                 // The instance config may override the customConfig setting to avoid\r
 100                 // loading the default ~/config.js file.\r
 101                 if ( instanceConfig && instanceConfig.customConfig != undefined )\r
 102                         editor.config.customConfig = instanceConfig.customConfig;\r
 103 \r
 104                 // Load configs from the custom configuration files.\r
 105                 if ( !loadConfig( editor ) )\r
 106                         editor.fireOnce( 'customConfigLoaded' );\r
 107         };\r
 108 \r
 109         // ##### END: Config Privates\r
 110 \r
 111         var onConfigLoaded = function( editor )\r
 112         {\r
 113                 // Set config related properties.\r
 114 \r
 115                 var skin = editor.config.skin.split( ',' ),\r
 116                         skinName = skin[ 0 ],\r
 117                         skinPath = CKEDITOR.getUrl( skin[ 1 ] || (\r
 118                                 '_source/' +    // @Packager.RemoveLine\r
 119                                 'skins/' + skinName + '/' ) );\r
 120 \r
 121                 /**\r
 122                  * The name of the skin used by this editor instance. The skin name can\r
 123                  * be set though the {@link CKEDITOR.config.skin} setting.\r
 124                  * @name CKEDITOR.editor.prototype.skinName\r
 125                  * @type String\r
 126                  * @example\r
 127                  * alert( editor.skinName );  // "kama" (e.g.)\r
 128                  */\r
 129                 editor.skinName = skinName;\r
 130 \r
 131                 /**\r
 132                  * The full URL of the skin directory.\r
 133                  * @name CKEDITOR.editor.prototype.skinPath\r
 134                  * @type String\r
 135                  * @example\r
 136                  * alert( editor.skinPath );  // "http://example.com/ckeditor/skins/kama/" (e.g.)\r
 137                  */\r
 138                 editor.skinPath = skinPath;\r
 139 \r
 140                 /**\r
 141                  * The CSS class name used for skin identification purposes.\r
 142                  * @name CKEDITOR.editor.prototype.skinClass\r
 143                  * @type String\r
 144                  * @example\r
 145                  * alert( editor.skinClass );  // "cke_skin_kama" (e.g.)\r
 146                  */\r
 147                 editor.skinClass = 'cke_skin_' + skinName;\r
 148 \r
 149                 /**\r
 150                  * The <a href="http://en.wikipedia.org/wiki/Tabbing_navigation">tabbing\r
 151                  * navigation</a> order that has been calculated for this editor\r
 152                  * instance. This can be set by the {@link CKEDITOR.config.tabIndex}\r
 153                  * setting or taken from the "tabindex" attribute of the\r
 154                  * {@link #element} associated to the editor.\r
 155                  * @name CKEDITOR.editor.prototype.tabIndex\r
 156                  * @type Number\r
 157                  * @default 0 (zero)\r
 158                  * @example\r
 159                  * alert( editor.tabIndex );  // "0" (e.g.)\r
 160                  */\r
 161                 editor.tabIndex = editor.config.tabIndex || editor.element.getAttribute( 'tabindex' ) || 0;\r
 162 \r
 163                 // Fire the "configLoaded" event.\r
 164                 editor.fireOnce( 'configLoaded' );\r
 165 \r
 166                 // Load language file.\r
 167                 loadSkin( editor );\r
 168         };\r
 169 \r
 170         var loadLang = function( editor )\r
 171         {\r
 172                 CKEDITOR.lang.load( editor.config.language, editor.config.defaultLanguage, function( languageCode, lang )\r
 173                         {\r
 174                                 /**\r
 175                                  * The code for the language resources that have been loaded\r
 176                                  * for the user internface elements of this editor instance.\r
 177                                  * @name CKEDITOR.editor.prototype.langCode\r
 178                                  * @type String\r
 179                                  * @example\r
 180                                  * alert( editor.langCode );  // "en" (e.g.)\r
 181                                  */\r
 182                                 editor.langCode = languageCode;\r
 183 \r
 184                                 /**\r
 185                                  * An object holding all language strings used by the editor\r
 186                                  * interface.\r
 187                                  * @name CKEDITOR.editor.prototype.lang\r
 188                                  * @type CKEDITOR.lang\r
 189                                  * @example\r
 190                                  * alert( editor.lang.bold );  // "Negrito" (e.g. if language is Portuguese)\r
 191                                  */\r
 192                                 // As we'll be adding plugin specific entries that could come\r
 193                                 // from different language code files, we need a copy of lang,\r
 194                                 // not a direct reference to it.\r
 195                                 editor.lang = CKEDITOR.tools.prototypedCopy( lang );\r
 196 \r
 197                                 // We're not able to support RTL in Firefox 2 at this time.\r
 198                                 if ( CKEDITOR.env.gecko && CKEDITOR.env.version < 10900 && editor.lang.dir == 'rtl' )\r
 199                                         editor.lang.dir = 'ltr';\r
 200 \r
 201                                 var config = editor.config;\r
 202                                 config.contentsLangDirection == 'ui' && ( config.contentsLangDirection = editor.lang.dir );\r
 203 \r
 204                                 loadPlugins( editor );\r
 205                         });\r
 206         };\r
 207 \r
 208         var loadPlugins = function( editor )\r
 209         {\r
 210                 var config                      = editor.config,\r
 211                         plugins                 = config.plugins,\r
 212                         extraPlugins    = config.extraPlugins,\r
 213                         removePlugins   = config.removePlugins;\r
 214 \r
 215                 if ( extraPlugins )\r
 216                 {\r
 217                         // Remove them first to avoid duplications.\r
 218                         var removeRegex = new RegExp( '(?:^|,)(?:' + extraPlugins.replace( /\s*,\s*/g, '|' ) + ')(?=,|$)' , 'g' );\r
 219                         plugins = plugins.replace( removeRegex, '' );\r
 220 \r
 221                         plugins += ',' + extraPlugins;\r
 222                 }\r
 223 \r
 224                 if ( removePlugins )\r
 225                 {\r
 226                         removeRegex = new RegExp( '(?:^|,)(?:' + removePlugins.replace( /\s*,\s*/g, '|' ) + ')(?=,|$)' , 'g' );\r
 227                         plugins = plugins.replace( removeRegex, '' );\r
 228                 }\r
 229 \r
 230                 // Load all plugins defined in the "plugins" setting.\r
 231                 CKEDITOR.plugins.load( plugins.split( ',' ), function( plugins )\r
 232                         {\r
 233                                 // The list of plugins.\r
 234                                 var pluginsArray = [];\r
 235 \r
 236                                 // The language code to get loaded for each plugin. Null\r
 237                                 // entries will be appended for plugins with no language files.\r
 238                                 var languageCodes = [];\r
 239 \r
 240                                 // The list of URLs to language files.\r
 241                                 var languageFiles = [];\r
 242 \r
 243                                 /**\r
 244                                  * And object holding references to all plugins used by this\r
 245                                  * editor istance.\r
 246                                  * @name CKEDITOR.editor.prototype.plugins\r
 247                                  * @type Object\r
 248                                  * @example\r
 249                                  * alert( editor.plugins.dialog.path );  // "http://example.com/ckeditor/plugins/dialog/" (e.g.)\r
 250                                  */\r
 251                                 editor.plugins = plugins;\r
 252 \r
 253                                 // Loop through all plugins, to build the list of language\r
 254                                 // files to get loaded.\r
 255                                 for ( var pluginName in plugins )\r
 256                                 {\r
 257                                         var plugin = plugins[ pluginName ],\r
 258                                                 pluginLangs = plugin.lang,\r
 259                                                 pluginPath = CKEDITOR.plugins.getPath( pluginName ),\r
 260                                                 lang = null;\r
 261 \r
 262                                         // Set the plugin path in the plugin.\r
 263                                         plugin.path = pluginPath;\r
 264 \r
 265                                         // If the plugin has "lang".\r
 266                                         if ( pluginLangs )\r
 267                                         {\r
 268                                                 // Resolve the plugin language. If the current language\r
 269                                                 // is not available, get the first one (default one).\r
 270                                                 lang = ( CKEDITOR.tools.indexOf( pluginLangs, editor.langCode ) >= 0 ? editor.langCode : pluginLangs[ 0 ] );\r
 271 \r
 272                                                 if ( !plugin.lang[ lang ] )\r
 273                                                 {\r
 274                                                         // Put the language file URL into the list of files to\r
 275                                                         // get downloaded.\r
 276                                                         languageFiles.push( CKEDITOR.getUrl( pluginPath + 'lang/' + lang + '.js' ) );\r
 277                                                 }\r
 278                                                 else\r
 279                                                 {\r
 280                                                         CKEDITOR.tools.extend( editor.lang, plugin.lang[ lang ] );\r
 281                                                         lang = null;\r
 282                                                 }\r
 283                                         }\r
 284 \r
 285                                         // Save the language code, so we know later which\r
 286                                         // language has been resolved to this plugin.\r
 287                                         languageCodes.push( lang );\r
 288 \r
 289                                         pluginsArray.push( plugin );\r
 290                                 }\r
 291 \r
 292                                 // Load all plugin specific language files in a row.\r
 293                                 CKEDITOR.scriptLoader.load( languageFiles, function()\r
 294                                         {\r
 295                                                 // Initialize all plugins that have the "beforeInit" and "init" methods defined.\r
 296                                                 var methods = [ 'beforeInit', 'init', 'afterInit' ];\r
 297                                                 for ( var m = 0 ; m < methods.length ; m++ )\r
 298                                                 {\r
 299                                                         for ( var i = 0 ; i < pluginsArray.length ; i++ )\r
 300                                                         {\r
 301                                                                 var plugin = pluginsArray[ i ];\r
 302 \r
 303                                                                 // Uses the first loop to update the language entries also.\r
 304                                                                 if ( m === 0 && languageCodes[ i ] && plugin.lang )\r
 305                                                                         CKEDITOR.tools.extend( editor.lang, plugin.lang[ languageCodes[ i ] ] );\r
 306 \r
 307                                                                 // Call the plugin method (beforeInit and init).\r
 308                                                                 if ( plugin[ methods[ m ] ] )\r
 309                                                                         plugin[ methods[ m ] ]( editor );\r
 310                                                         }\r
 311                                                 }\r
 312 \r
 313                                                 // Load the editor skin.\r
 314                                                 editor.fire( 'pluginsLoaded' );\r
 315                                                 loadTheme( editor );\r
 316                                         });\r
 317                         });\r
 318         };\r
 319 \r
 320         var loadSkin = function( editor )\r
 321         {\r
 322                 CKEDITOR.skins.load( editor, 'editor', function()\r
 323                         {\r
 324                                 loadLang( editor );\r
 325                         });\r
 326         };\r
 327 \r
 328         var loadTheme = function( editor )\r
 329         {\r
 330                 var theme = editor.config.theme;\r
 331                 CKEDITOR.themes.load( theme, function()\r
 332                         {\r
 333                                 /**\r
 334                                  * The theme used by this editor instance.\r
 335                                  * @name CKEDITOR.editor.prototype.theme\r
 336                                  * @type CKEDITOR.theme\r
 337                                  * @example\r
 338                                  * alert( editor.theme );  "http://example.com/ckeditor/themes/default/" (e.g.)\r
 339                                  */\r
 340                                 var editorTheme = editor.theme = CKEDITOR.themes.get( theme );\r
 341                                 editorTheme.path = CKEDITOR.themes.getPath( theme );\r
 342                                 editorTheme.build( editor );\r
 343 \r
 344                                 if ( editor.config.autoUpdateElement )\r
 345                                         attachToForm( editor );\r
 346                         });\r
 347         };\r
 348 \r
 349         var attachToForm = function( editor )\r
 350         {\r
 351                 var element = editor.element;\r
 352 \r
 353                 // If are replacing a textarea, we must\r
 354                 if ( editor.elementMode == CKEDITOR.ELEMENT_MODE_REPLACE && element.is( 'textarea' ) )\r
 355                 {\r
 356                         var form = element.$.form && new CKEDITOR.dom.element( element.$.form );\r
 357                         if ( form )\r
 358                         {\r
 359                                 function onSubmit()\r
 360                                 {\r
 361                                         editor.updateElement();\r
 362                                 }\r
 363                                 form.on( 'submit',onSubmit );\r
 364 \r
 365                                 // Setup the submit function because it doesn't fire the\r
 366                                 // "submit" event.\r
 367                                 if ( !form.$.submit.nodeName )\r
 368                                 {\r
 369                                         form.$.submit = CKEDITOR.tools.override( form.$.submit, function( originalSubmit )\r
 370                                                 {\r
 371                                                         return function()\r
 372                                                                 {\r
 373                                                                         editor.updateElement();\r
 374 \r
 375                                                                         // For IE, the DOM submit function is not a\r
 376                                                                         // function, so we need thid check.\r
 377                                                                         if ( originalSubmit.apply )\r
 378                                                                                 originalSubmit.apply( this, arguments );\r
 379                                                                         else\r
 380                                                                                 originalSubmit();\r
 381                                                                 };\r
 382                                                 });\r
 383                                 }\r
 384 \r
 385                                 // Remove 'submit' events registered on form element before destroying.(#3988)\r
 386                                 editor.on( 'destroy', function()\r
 387                                 {\r
 388                                         form.removeListener( 'submit', onSubmit );\r
 389                                 } );\r
 390                         }\r
 391                 }\r
 392         };\r
 393 \r
 394         function updateCommandsMode()\r
 395         {\r
 396                 var command,\r
 397                         commands = this._.commands,\r
 398                         mode = this.mode;\r
 399 \r
 400                 for ( var name in commands )\r
 401                 {\r
 402                         command = commands[ name ];\r
 403                         command[ command.startDisabled ? 'disable' : command.modes[ mode ] ? 'enable' : 'disable' ]();\r
 404                 }\r
 405         }\r
 406 \r
 407         /**\r
 408          * Initializes the editor instance. This function is called by the editor\r
 409          * contructor (editor_basic.js).\r
 410          * @private\r
 411          */\r
 412         CKEDITOR.editor.prototype._init = function()\r
 413                 {\r
 414                         // Get the properties that have been saved in the editor_base\r
 415                         // implementation.\r
 416                         var element                     = CKEDITOR.dom.element.get( this._.element ),\r
 417                                 instanceConfig  = this._.instanceConfig;\r
 418                         delete this._.element;\r
 419                         delete this._.instanceConfig;\r
 420 \r
 421                         this._.commands = {};\r
 422                         this._.styles = [];\r
 423 \r
 424                         /**\r
 425                          * The DOM element that has been replaced by this editor instance. This\r
 426                          * element holds the editor data on load and post.\r
 427                          * @name CKEDITOR.editor.prototype.element\r
 428                          * @type CKEDITOR.dom.element\r
 429                          * @example\r
 430                          * var editor = CKEDITOR.instances.editor1;\r
 431                          * alert( <b>editor.element</b>.getName() );  "textarea"\r
 432                          */\r
 433                         this.element = element;\r
 434 \r
 435                         /**\r
 436                          * The editor instance name. It hay be the replaced element id, name or\r
 437                          * a default name using a progressive counter (editor1, editor2, ...).\r
 438                          * @name CKEDITOR.editor.prototype.name\r
 439                          * @type String\r
 440                          * @example\r
 441                          * var editor = CKEDITOR.instances.editor1;\r
 442                          * alert( <b>editor.name</b> );  "editor1"\r
 443                          */\r
 444                         this.name = ( element && ( this.elementMode == CKEDITOR.ELEMENT_MODE_REPLACE )\r
 445                                                         && ( element.getId() || element.getNameAtt() ) )\r
 446                                                 || getNewName();\r
 447 \r
 448                         if ( this.name in CKEDITOR.instances )\r
 449                                 throw '[CKEDITOR.editor] The instance "' + this.name + '" already exists.';\r
 450 \r
 451                         /**\r
 452                          * A unique random string assigned to each editor instance in the page.\r
 453                          * @name CKEDITOR.editor.prototype.id\r
 454                          * @type String\r
 455                          */\r
 456                         this.id = CKEDITOR.tools.getNextId();\r
 457 \r
 458                         /**\r
 459                          * The configurations for this editor instance. It inherits all\r
 460                          * settings defined in (@link CKEDITOR.config}, combined with settings\r
 461                          * loaded from custom configuration files and those defined inline in\r
 462                          * the page when creating the editor.\r
 463                          * @name CKEDITOR.editor.prototype.config\r
 464                          * @type Object\r
 465                          * @example\r
 466                          * var editor = CKEDITOR.instances.editor1;\r
 467                          * alert( <b>editor.config.theme</b> );  "default" e.g.\r
 468                          */\r
 469                         this.config = CKEDITOR.tools.prototypedCopy( CKEDITOR.config );\r
 470 \r
 471                         /**\r
 472                          * Namespace containing UI features related to this editor instance.\r
 473                          * @name CKEDITOR.editor.prototype.ui\r
 474                          * @type CKEDITOR.ui\r
 475                          * @example\r
 476                          */\r
 477                         this.ui = new CKEDITOR.ui( this );\r
 478 \r
 479                         /**\r
 480                          * Controls the focus state of this editor instance. This property\r
 481                          * is rarely used for normal API operations. It is mainly\r
 482                          * destinated to developer adding UI elements to the editor interface.\r
 483                          * @name CKEDITOR.editor.prototype.focusManager\r
 484                          * @type CKEDITOR.focusManager\r
 485                          * @example\r
 486                          */\r
 487                         this.focusManager = new CKEDITOR.focusManager( this );\r
 488 \r
 489                         CKEDITOR.fire( 'instanceCreated', null, this );\r
 490 \r
 491                         this.on( 'mode', updateCommandsMode, null, null, 1 );\r
 492 \r
 493                         initConfig( this, instanceConfig );\r
 494                 };\r
 495 })();\r
 496 \r
 497 CKEDITOR.tools.extend( CKEDITOR.editor.prototype,\r
 498         /** @lends CKEDITOR.editor.prototype */\r
 499         {\r
 500                 /**\r
 501                  * Adds a command definition to the editor instance. Commands added with\r
 502                  * this function can be later executed with {@link #execCommand}.\r
 503                  * @param {String} commandName The indentifier name of the command.\r
 504                  * @param {CKEDITOR.commandDefinition} commandDefinition The command definition.\r
 505                  * @example\r
 506                  * editorInstance.addCommand( 'sample',\r
 507                  * {\r
 508                  *     exec : function( editor )\r
 509                  *     {\r
 510                  *         alert( 'Executing a command for the editor name "' + editor.name + '"!' );\r
 511                  *     }\r
 512                  * });\r
 513                  */\r
 514                 addCommand : function( commandName, commandDefinition )\r
 515                 {\r
 516                         return this._.commands[ commandName ] = new CKEDITOR.command( this, commandDefinition );\r
 517                 },\r
 518 \r
 519                 /**\r
 520                  * Add a trunk of css text to the editor which will be applied to the wysiwyg editing document.\r
 521                  * Note: This function should be called before editor is loaded to take effect.\r
 522                  * @param css {String} CSS text.\r
 523                  * @example\r
 524                  * editorInstance.addCss( 'body { background-color: grey; }' );\r
 525                  */\r
 526                 addCss : function( css )\r
 527                 {\r
 528                         this._.styles.push( css );\r
 529                 },\r
 530 \r
 531                 /**\r
 532                  * Destroys the editor instance, releasing all resources used by it.\r
 533                  * If the editor replaced an element, the element will be recovered.\r
 534                  * @param {Boolean} [noUpdate] If the instance is replacing a DOM\r
 535                  *              element, this parameter indicates whether or not to update the\r
 536                  *              element with the instance contents.\r
 537                  * @example\r
 538                  * alert( CKEDITOR.instances.editor1 );  e.g "object"\r
 539                  * <b>CKEDITOR.instances.editor1.destroy()</b>;\r
 540                  * alert( CKEDITOR.instances.editor1 );  "undefined"\r
 541                  */\r
 542                 destroy : function( noUpdate )\r
 543                 {\r
 544                         if ( !noUpdate )\r
 545                                 this.updateElement();\r
 546 \r
 547                         if ( this.mode )\r
 548                         {\r
 549                                 // ->           currentMode.unload( holderElement );\r
 550                                 this._.modes[ this.mode ].unload( this.getThemeSpace( 'contents' ) );\r
 551                         }\r
 552 \r
 553                         this.theme.destroy( this );\r
 554 \r
 555                         var toolbars,\r
 556                                 index = 0,\r
 557                                 j,\r
 558                                 items,\r
 559                                 instance;\r
 560 \r
 561                         if ( this.toolbox )\r
 562                         {\r
 563                                 toolbars = this.toolbox.toolbars;\r
 564                                 for ( ; index < toolbars.length ; index++ )\r
 565                                 {\r
 566                                         items = toolbars[ index ].items;\r
 567                                         for ( j = 0 ; j < items.length ; j++ )\r
 568                                         {\r
 569                                                 instance = items[ j ];\r
 570                                                 if ( instance.clickFn ) CKEDITOR.tools.removeFunction( instance.clickFn );\r
 571                                                 if ( instance.keyDownFn ) CKEDITOR.tools.removeFunction( instance.keyDownFn );\r
 572 \r
 573                                                 if ( instance.index ) CKEDITOR.ui.button._.instances[ instance.index ] = null;\r
 574                                         }\r
 575                                 }\r
 576                         }\r
 577 \r
 578                         if ( this.contextMenu )\r
 579                                 CKEDITOR.tools.removeFunction( this.contextMenu._.functionId );\r
 580 \r
 581                         if ( this._.filebrowserFn )\r
 582                                 CKEDITOR.tools.removeFunction( this._.filebrowserFn );\r
 583 \r
 584                         this.fire( 'destroy' );\r
 585                         CKEDITOR.remove( this );\r
 586                         CKEDITOR.fire( 'instanceDestroyed', null, this );\r
 587                 },\r
 588 \r
 589                 /**\r
 590                  * Executes a command.\r
 591                  * @param {String} commandName The indentifier name of the command.\r
 592                  * @param {Object} [data] Data to be passed to the command\r
 593                  * @returns {Boolean} "true" if the command has been successfuly\r
 594                  *              executed, otherwise "false".\r
 595                  * @example\r
 596                  * editorInstance.execCommand( 'Bold' );\r
 597                  */\r
 598                 execCommand : function( commandName, data )\r
 599                 {\r
 600                         var command = this.getCommand( commandName );\r
 601 \r
 602                         var eventData =\r
 603                         {\r
 604                                 name: commandName,\r
 605                                 commandData: data,\r
 606                                 command: command\r
 607                         };\r
 608 \r
 609                         if ( command && command.state != CKEDITOR.TRISTATE_DISABLED )\r
 610                         {\r
 611                                 if ( this.fire( 'beforeCommandExec', eventData ) !== true )\r
 612                                 {\r
 613                                         eventData.returnValue = command.exec( eventData.commandData );\r
 614 \r
 615                                         // Fire the 'afterCommandExec' immediately if command is synchronous.\r
 616                                         if ( !command.async && this.fire( 'afterCommandExec', eventData ) !== true )\r
 617                                                 return eventData.returnValue;\r
 618                                 }\r
 619                         }\r
 620 \r
 621                         // throw 'Unknown command name "' + commandName + '"';\r
 622                         return false;\r
 623                 },\r
 624 \r
 625                 /**\r
 626                  * Gets one of the registered commands. Note that, after registering a\r
 627                  * command definition with addCommand, it is transformed internally\r
 628                  * into an instance of {@link CKEDITOR.command}, which will be then\r
 629                  * returned by this function.\r
 630                  * @param {String} commandName The name of the command to be returned.\r
 631                  * This is the same used to register the command with addCommand.\r
 632                  * @returns {CKEDITOR.command} The command object identified by the\r
 633                  * provided name.\r
 634                  */\r
 635                 getCommand : function( commandName )\r
 636                 {\r
 637                         return this._.commands[ commandName ];\r
 638                 },\r
 639 \r
 640                 /**\r
 641                  * Gets the editor data. The data will be in raw format. It is the same\r
 642                  * data that is posted by the editor.\r
 643                  * @type String\r
 644                  * @returns (String) The editor data.\r
 645                  * @example\r
 646                  * if ( CKEDITOR.instances.editor1.<b>getData()</b> == '' )\r
 647                  *     alert( 'There is no data available' );\r
 648                  */\r
 649                 getData : function()\r
 650                 {\r
 651                         this.fire( 'beforeGetData' );\r
 652 \r
 653                         var eventData = this._.data;\r
 654 \r
 655                         if ( typeof eventData != 'string' )\r
 656                         {\r
 657                                 var element = this.element;\r
 658                                 if ( element && this.elementMode == CKEDITOR.ELEMENT_MODE_REPLACE )\r
 659                                         eventData = element.is( 'textarea' ) ? element.getValue() : element.getHtml();\r
 660                                 else\r
 661                                         eventData = '';\r
 662                         }\r
 663 \r
 664                         eventData = { dataValue : eventData };\r
 665 \r
 666                         // Fire "getData" so data manipulation may happen.\r
 667                         this.fire( 'getData', eventData );\r
 668 \r
 669                         return eventData.dataValue;\r
 670                 },\r
 671 \r
 672                 /**\r
 673                  * Gets the "raw data" currently available in the editor. This is a\r
 674                  * fast method which return the data as is, without processing, so it's\r
 675                  * not recommended to use it on resulting pages. It can be used instead\r
 676                  * combined with the {@link #loadSnapshot} so one can automatic save\r
 677                  * the editor data from time to time while the user is using the\r
 678                  * editor, to avoid data loss, without risking performance issues.\r
 679                  * @example\r
 680                  * alert( editor.getSnapshot() );\r
 681                  */\r
 682                 getSnapshot : function()\r
 683                 {\r
 684                         var data = this.fire( 'getSnapshot' );\r
 685 \r
 686                         if ( typeof data != 'string' )\r
 687                         {\r
 688                                 var element = this.element;\r
 689                                 if ( element && this.elementMode == CKEDITOR.ELEMENT_MODE_REPLACE )\r
 690                                         data = element.is( 'textarea' ) ? element.getValue() : element.getHtml();\r
 691                         }\r
 692 \r
 693                         return data;\r
 694                 },\r
 695 \r
 696                 /**\r
 697                  * Loads "raw data" in the editor. This data is loaded with processing\r
 698                  * straight to the editing area. It should not be used as a way to load\r
 699                  * any kind of data, but instead in combination with\r
 700                  * {@link #getSnapshot} produced data.\r
 701                  * @example\r
 702                  * var data = editor.getSnapshot();\r
 703                  * editor.<b>loadSnapshot( data )</b>;\r
 704                  */\r
 705                 loadSnapshot : function( snapshot )\r
 706                 {\r
 707                         this.fire( 'loadSnapshot', snapshot );\r
 708                 },\r
 709 \r
 710                 /**\r
 711                  * Sets the editor data. The data must be provided in raw format (HTML).<br />\r
 712                  * <br />\r
 713                  * Note that this menthod is asynchronous. The "callback" parameter must\r
 714                  * be used if interaction with the editor is needed after setting the data.\r
 715                  * @param {String} data HTML code to replace the curent content in the\r
 716                  *              editor.\r
 717                  * @param {Function} callback Function to be called after the setData\r
 718                  *              is completed.\r
 719                  * @example\r
 720                  * CKEDITOR.instances.editor1.<b>setData</b>( '&lt;p&gt;This is the editor data.&lt;/p&gt;' );\r
 721                  * @example\r
 722                  * CKEDITOR.instances.editor1.<b>setData</b>( '&lt;p&gt;Some other editor data.&lt;/p&gt;', function()\r
 723                  *     {\r
 724                  *         this.checkDirty();    // true\r
 725                  *     });\r
 726                  */\r
 727                 setData : function( data , callback )\r
 728                 {\r
 729                         if( callback )\r
 730                         {\r
 731                                 this.on( 'dataReady', function( evt )\r
 732                                 {\r
 733                                         evt.removeListener();\r
 734                                         callback.call( evt.editor );\r
 735                                 } );\r
 736                         }\r
 737 \r
 738                         // Fire "setData" so data manipulation may happen.\r
 739                         var eventData = { dataValue : data };\r
 740                         this.fire( 'setData', eventData );\r
 741 \r
 742                         this._.data = eventData.dataValue;\r
 743 \r
 744                         this.fire( 'afterSetData', eventData );\r
 745                 },\r
 746 \r
 747                 /**\r
 748                  * Inserts HTML into the currently selected position in the editor.\r
 749                  * @param {String} data HTML code to be inserted into the editor.\r
 750                  * @example\r
 751                  * CKEDITOR.instances.editor1.<b>insertHtml( '&lt;p&gt;This is a new paragraph.&lt;/p&gt;' )</b>;\r
 752                  */\r
 753                 insertHtml : function( data )\r
 754                 {\r
 755                         this.fire( 'insertHtml', data );\r
 756                 },\r
 757 \r
 758                 /**\r
 759                  * Inserts an element into the currently selected position in the\r
 760                  * editor.\r
 761                  * @param {CKEDITOR.dom.element} element The element to be inserted\r
 762                  *              into the editor.\r
 763                  * @example\r
 764                  * var element = CKEDITOR.dom.element.createFromHtml( '&lt;img src="hello.png" border="0" title="Hello" /&gt;' );\r
 765                  * CKEDITOR.instances.editor1.<b>insertElement( element )</b>;\r
 766                  */\r
 767                 insertElement : function( element )\r
 768                 {\r
 769                         this.fire( 'insertElement', element );\r
 770                 },\r
 771 \r
 772                 /**\r
 773                  * Checks whether the current editor contents present changes when\r
 774                  * compared to the contents loaded into the editor at startup, or to\r
 775                  * the contents available in the editor when {@link #resetDirty} has\r
 776                  * been called.\r
 777                  * @returns {Boolean} "true" is the contents present changes.\r
 778                  * @example\r
 779                  * function beforeUnload( e )\r
 780                  * {\r
 781                  *     if ( CKEDITOR.instances.editor1.<b>checkDirty()</b> )\r
 782                  *              return e.returnValue = "You'll loose the changes made in the editor.";\r
 783                  * }\r
 784                  *\r
 785                  * if ( window.addEventListener )\r
 786                  *     window.addEventListener( 'beforeunload', beforeUnload, false );\r
 787                  * else\r
 788                  *     window.attachEvent( 'onbeforeunload', beforeUnload );\r
 789                  */\r
 790                 checkDirty : function()\r
 791                 {\r
 792                         return ( this.mayBeDirty && this._.previousValue !== this.getSnapshot() );\r
 793                 },\r
 794 \r
 795                 /**\r
 796                  * Resets the "dirty state" of the editor so subsequent calls to\r
 797                  * {@link #checkDirty} will return "false" if the user will not make\r
 798                  * further changes to the contents.\r
 799                  * @example\r
 800                  * alert( editor.checkDirty() );  // "true" (e.g.)\r
 801                  * editor.<b>resetDirty()</b>;\r
 802                  * alert( editor.checkDirty() );  // "false"\r
 803                  */\r
 804                 resetDirty : function()\r
 805                 {\r
 806                         if ( this.mayBeDirty )\r
 807                                 this._.previousValue = this.getSnapshot();\r
 808                 },\r
 809 \r
 810                 /**\r
 811                  * Updates the &lt;textarea&gt; element that has been replaced by the editor with\r
 812                  * the current data available in the editor.\r
 813                  * @example\r
 814                  * CKEDITOR.instances.editor1.updateElement();\r
 815                  * alert( document.getElementById( 'editor1' ).value );  // The current editor data.\r
 816                  */\r
 817                 updateElement : function()\r
 818                 {\r
 819                         var element = this.element;\r
 820                         if ( element && this.elementMode == CKEDITOR.ELEMENT_MODE_REPLACE )\r
 821                         {\r
 822                                 var data = this.getData();\r
 823 \r
 824                                 if ( this.config.htmlEncodeOutput )\r
 825                                         data = CKEDITOR.tools.htmlEncode( data );\r
 826 \r
 827                                 if ( element.is( 'textarea' ) )\r
 828                                         element.setValue( data );\r
 829                                 else\r
 830                                         element.setHtml( data );\r
 831                         }\r
 832                 }\r
 833         });\r
 834 \r
 835 CKEDITOR.on( 'loaded', function()\r
 836         {\r
 837                 // Run the full initialization for pending editors.\r
 838                 var pending = CKEDITOR.editor._pending;\r
 839                 if ( pending )\r
 840                 {\r
 841                         delete CKEDITOR.editor._pending;\r
 842 \r
 843                         for ( var i = 0 ; i < pending.length ; i++ )\r
 844                                 pending[ i ]._init();\r
 845                 }\r
 846         });\r
 847 \r
 848 /**\r
 849  * Whether escape HTML when editor update original input element.\r
 850  * @name CKEDITOR.config.htmlEncodeOutput\r
 851  * @since 3.1\r
 852  * @type Boolean\r
 853  * @default false\r
 854  * @example\r
 855  * config.htmlEncodeOutput = true;\r
 856  */\r
 857 \r
 858 /**\r
 859  * Fired when a CKEDITOR instance is created, but still before initializing it.\r
 860  * To interact with a fully initialized instance, use the\r
 861  * {@link CKEDITOR#instanceReady} event instead.\r
 862  * @name CKEDITOR#instanceCreated\r
 863  * @event\r
 864  * @param {CKEDITOR.editor} editor The editor instance that has been created.\r
 865  */\r
 866 \r
 867 /**\r
 868  * Fired when a CKEDITOR instance is destroyed.\r
 869  * @name CKEDITOR#instanceDestroyed\r
 870  * @event\r
 871  * @param {CKEDITOR.editor} editor The editor instance that has been destroyed.\r
 872  */\r
 873 \r
 874 /**\r
 875  * Fired when all plugins are loaded and initialized into the editor instance.\r
 876  * @name CKEDITOR#pluginsLoaded\r
 877  * @event\r
 878  * @param {CKEDITOR.editor} editor The editor instance that has been destroyed.\r
 879  */\r
 880 \r
 881 /**\r
 882  * Fired before the command execution when {@link #execCommand} is called.\r
 883  * @name CKEDITOR.editor#beforeCommandExec\r
 884  * @event\r
 885  * @param {CKEDITOR.editor} editor This editor instance.\r
 886  * @param {String} data.name The command name.\r
 887  * @param {Object} data.commandData The data to be sent to the command. This\r
 888  *              can be manipulated by the event listener.\r
 889  * @param {CKEDITOR.command} data.command The command itself.\r
 890  */\r
 891 \r
 892 /**\r
 893  * Fired after the command execution when {@link #execCommand} is called.\r
 894  * @name CKEDITOR.editor#afterCommandExec\r
 895  * @event\r
 896  * @param {CKEDITOR.editor} editor This editor instance.\r
 897  * @param {String} data.name The command name.\r
 898  * @param {Object} data.commandData The data sent to the command.\r
 899  * @param {CKEDITOR.command} data.command The command itself.\r
 900  * @param {Object} data.returnValue The value returned by the command execution.\r
 901  */\r
 902 \r
 903 /**\r
 904  * Fired every custom configuration file is loaded, before the final\r
 905  * configurations initialization.<br />\r
 906  * <br />\r
 907  * Custom configuration files can be loaded thorugh the\r
 908  * {@link CKEDITOR.config.customConfig} setting. Several files can be loading\r
 909  * by chaning this setting.\r
 910  * @name CKEDITOR.editor#customConfigLoaded\r
 911  * @event\r
 912  * @param {CKEDITOR.editor} editor This editor instance.\r
 913  * @example\r
 914  */\r
 915 \r
 916 /**\r
 917  * Fired once the editor configuration is ready (loaded and processed).\r
 918  * @name CKEDITOR.editor#configLoaded\r
 919  * @event\r
 920  * @param {CKEDITOR.editor} editor This editor instance.\r
 921  * @example\r
 922  * if( editor.config.fullPage )\r
 923  *     alert( 'This is a full page editor' );\r
 924  */\r