xp-dev.com Git - namibia/blob - public/scripts/ckeditor/_source/core/editor.js

   1 /*
   2 Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.
   3 For licensing, see LICENSE.html or http://ckeditor.com/license
   4 */
   5
   6 /**
   7  * @fileOverview Defines the {@link CKEDITOR.editor} class, which represents an
   8  *              editor instance.
   9  */
  10
  11 (function()
  12 {
  13         // The counter for automatic instance names.
  14         var nameCounter = 0;
  15
  16         var getNewName = function()
  17         {
  18                 var name = 'editor' + ( ++nameCounter );
  19                 return ( CKEDITOR.instances && CKEDITOR.instances[ name ] ) ? getNewName() : name;
  20         };
  21
  22         // ##### START: Config Privates
  23
  24         // These function loads custom configuration files and cache the
  25         // CKEDITOR.editorConfig functions defined on them, so there is no need to
  26         // download them more than once for several instances.
  27         var loadConfigLoaded = {};
  28         var loadConfig = function( editor )
  29         {
  30                 var customConfig = editor.config.customConfig;
  31
  32                 // Check if there is a custom config to load.
  33                 if ( !customConfig )
  34                         return false;
  35
  36                 customConfig = CKEDITOR.getUrl( customConfig );
  37
  38                 var loadedConfig = loadConfigLoaded[ customConfig ] || ( loadConfigLoaded[ customConfig ] = {} );
  39
  40                 // If the custom config has already been downloaded, reuse it.
  41                 if ( loadedConfig.fn )
  42                 {
  43                         // Call the cached CKEDITOR.editorConfig defined in the custom
  44                         // config file for the editor instance depending on it.
  45                         loadedConfig.fn.call( editor, editor.config );
  46
  47                         // If there is no other customConfig in the chain, fire the
  48                         // "configLoaded" event.
  49                         if ( CKEDITOR.getUrl( editor.config.customConfig ) == customConfig || !loadConfig( editor ) )
  50                                 editor.fireOnce( 'customConfigLoaded' );
  51                 }
  52                 else
  53                 {
  54                         // Load the custom configuration file.
  55                         CKEDITOR.scriptLoader.load( customConfig, function()
  56                                 {
  57                                         // If the CKEDITOR.editorConfig function has been properly
  58                                         // defined in the custom configuration file, cache it.
  59                                         if ( CKEDITOR.editorConfig )
  60                                                 loadedConfig.fn = CKEDITOR.editorConfig;
  61                                         else
  62                                                 loadedConfig.fn = function(){};
  63
  64                                         // Call the load config again. This time the custom
  65                                         // config is already cached and so it will get loaded.
  66                                         loadConfig( editor );
  67                                 });
  68                 }
  69
  70                 return true;
  71         };
  72
  73         var initConfig = function( editor, instanceConfig )
  74         {
  75                 // Setup the lister for the "customConfigLoaded" event.
  76                 editor.on( 'customConfigLoaded', function()
  77                         {
  78                                 if ( instanceConfig )
  79                                 {
  80                                         // Register the events that may have been set at the instance
  81                                         // configuration object.
  82                                         if ( instanceConfig.on )
  83                                         {
  84                                                 for ( var eventName in instanceConfig.on )
  85                                                 {
  86                                                         editor.on( eventName, instanceConfig.on[ eventName ] );
  87                                                 }
  88                                         }
  89
  90                                         // Overwrite the settings from the in-page config.
  91                                         CKEDITOR.tools.extend( editor.config, instanceConfig, true );
  92
  93                                         delete editor.config.on;
  94                                 }
  95
  96                                 onConfigLoaded( editor );
  97                         });
  98
  99                 // The instance config may override the customConfig setting to avoid
 100                 // loading the default ~/config.js file.
 101                 if ( instanceConfig && instanceConfig.customConfig != undefined )
 102                         editor.config.customConfig = instanceConfig.customConfig;
 103
 104                 // Load configs from the custom configuration files.
 105                 if ( !loadConfig( editor ) )
 106                         editor.fireOnce( 'customConfigLoaded' );
 107         };
 108
 109         // ##### END: Config Privates
 110
 111         var onConfigLoaded = function( editor )
 112         {
 113                 // Set config related properties.
 114
 115                 var skin = editor.config.skin.split( ',' ),
 116                         skinName = skin[ 0 ],
 117                         skinPath = CKEDITOR.getUrl( skin[ 1 ] || (
 118                                 '_source/' +    // @Packager.RemoveLine
 119                                 'skins/' + skinName + '/' ) );
 120
 121                 /**
 122                  * The name of the skin used by this editor instance. The skin name can
 123                  * be set through the <code>{@link CKEDITOR.config.skin}</code> setting.
 124                  * @name CKEDITOR.editor.prototype.skinName
 125                  * @type String
 126                  * @example
 127                  * alert( editor.skinName );  // E.g. "kama"
 128                  */
 129                 editor.skinName = skinName;
 130
 131                 /**
 132                  * The full URL of the skin directory.
 133                  * @name CKEDITOR.editor.prototype.skinPath
 134                  * @type String
 135                  * @example
 136                  * alert( editor.skinPath );  // E.g. "http://example.com/ckeditor/skins/kama/"
 137                  */
 138                 editor.skinPath = skinPath;
 139
 140                 /**
 141                  * The CSS class name used for skin identification purposes.
 142                  * @name CKEDITOR.editor.prototype.skinClass
 143                  * @type String
 144                  * @example
 145                  * alert( editor.skinClass );  // E.g. "cke_skin_kama"
 146                  */
 147                 editor.skinClass = 'cke_skin_' + skinName;
 148
 149                 /**
 150                  * The <a href="http://en.wikipedia.org/wiki/Tabbing_navigation">tabbing
 151                  * navigation</a> order that has been calculated for this editor
 152                  * instance. This can be set by the <code>{@link CKEDITOR.config.tabIndex}</code>
 153                  * setting or taken from the <code>tabindex</code> attribute of the
 154                  * <code>{@link #element}</code> associated with the editor.
 155                  * @name CKEDITOR.editor.prototype.tabIndex
 156                  * @type Number
 157                  * @default 0 (zero)
 158                  * @example
 159                  * alert( editor.tabIndex );  // E.g. "0"
 160                  */
 161                 editor.tabIndex = editor.config.tabIndex || editor.element.getAttribute( 'tabindex' ) || 0;
 162
 163                 /**
 164                  * Indicates the read-only state of this editor. This is a read-only property.
 165                  * @name CKEDITOR.editor.prototype.readOnly
 166                  * @type Boolean
 167                  * @since 3.6
 168                  * @see CKEDITOR.editor#setReadOnly
 169                  */
 170                 editor.readOnly = !!( editor.config.readOnly || editor.element.getAttribute( 'disabled' ) );
 171
 172                 // Fire the "configLoaded" event.
 173                 editor.fireOnce( 'configLoaded' );
 174
 175                 // Load language file.
 176                 loadSkin( editor );
 177         };
 178
 179         var loadLang = function( editor )
 180         {
 181                 CKEDITOR.lang.load( editor.config.language, editor.config.defaultLanguage, function( languageCode, lang )
 182                         {
 183                                 /**
 184                                  * The code for the language resources that have been loaded
 185                                  * for the user interface elements of this editor instance.
 186                                  * @name CKEDITOR.editor.prototype.langCode
 187                                  * @type String
 188                                  * @example
 189                                  * alert( editor.langCode );  // E.g. "en"
 190                                  */
 191                                 editor.langCode = languageCode;
 192
 193                                 /**
 194                                  * An object that contains all language strings used by the editor
 195                                  * interface.
 196                                  * @name CKEDITOR.editor.prototype.lang
 197                                  * @type CKEDITOR.lang
 198                                  * @example
 199                                  * alert( editor.lang.bold );  // E.g. "Negrito" (if the language is set to Portuguese)
 200                                  */
 201                                 // As we'll be adding plugin specific entries that could come
 202                                 // from different language code files, we need a copy of lang,
 203                                 // not a direct reference to it.
 204                                 editor.lang = CKEDITOR.tools.prototypedCopy( lang );
 205
 206                                 // We're not able to support RTL in Firefox 2 at this time.
 207                                 if ( CKEDITOR.env.gecko && CKEDITOR.env.version < 10900 && editor.lang.dir == 'rtl' )
 208                                         editor.lang.dir = 'ltr';
 209
 210                                 editor.fire( 'langLoaded' );
 211
 212                                 var config = editor.config;
 213                                 config.contentsLangDirection == 'ui' && ( config.contentsLangDirection = editor.lang.dir );
 214
 215                                 loadPlugins( editor );
 216                         });
 217         };
 218
 219         var loadPlugins = function( editor )
 220         {
 221                 var config                      = editor.config,
 222                         plugins                 = config.plugins,
 223                         extraPlugins    = config.extraPlugins,
 224                         removePlugins   = config.removePlugins;
 225
 226                 if ( extraPlugins )
 227                 {
 228                         // Remove them first to avoid duplications.
 229                         var removeRegex = new RegExp( '(?:^|,)(?:' + extraPlugins.replace( /\s*,\s*/g, '|' ) + ')(?=,|$)' , 'g' );
 230                         plugins = plugins.replace( removeRegex, '' );
 231
 232                         plugins += ',' + extraPlugins;
 233                 }
 234
 235                 if ( removePlugins )
 236                 {
 237                         removeRegex = new RegExp( '(?:^|,)(?:' + removePlugins.replace( /\s*,\s*/g, '|' ) + ')(?=,|$)' , 'g' );
 238                         plugins = plugins.replace( removeRegex, '' );
 239                 }
 240
 241                 // Load the Adobe AIR plugin conditionally.
 242                 CKEDITOR.env.air && ( plugins += ',adobeair' );
 243
 244                 // Load all plugins defined in the "plugins" setting.
 245                 CKEDITOR.plugins.load( plugins.split( ',' ), function( plugins )
 246                         {
 247                                 // The list of plugins.
 248                                 var pluginsArray = [];
 249
 250                                 // The language code to get loaded for each plugin. Null
 251                                 // entries will be appended for plugins with no language files.
 252                                 var languageCodes = [];
 253
 254                                 // The list of URLs to language files.
 255                                 var languageFiles = [];
 256
 257                                 /**
 258                                  * An object that contains references to all plugins used by this
 259                                  * editor instance.
 260                                  * @name CKEDITOR.editor.prototype.plugins
 261                                  * @type Object
 262                                  * @example
 263                                  * alert( editor.plugins.dialog.path );  // E.g. "http://example.com/ckeditor/plugins/dialog/"
 264                                  */
 265                                 editor.plugins = plugins;
 266
 267                                 // Loop through all plugins, to build the list of language
 268                                 // files to get loaded.
 269                                 for ( var pluginName in plugins )
 270                                 {
 271                                         var plugin = plugins[ pluginName ],
 272                                                 pluginLangs = plugin.lang,
 273                                                 pluginPath = CKEDITOR.plugins.getPath( pluginName ),
 274                                                 lang = null;
 275
 276                                         // Set the plugin path in the plugin.
 277                                         plugin.path = pluginPath;
 278
 279                                         // If the plugin has "lang".
 280                                         if ( pluginLangs )
 281                                         {
 282                                                 // Resolve the plugin language. If the current language
 283                                                 // is not available, get the first one (default one).
 284                                                 lang = ( CKEDITOR.tools.indexOf( pluginLangs, editor.langCode ) >= 0 ? editor.langCode : pluginLangs[ 0 ] );
 285
 286                                                 if ( !plugin.langEntries || !plugin.langEntries[ lang ] )
 287                                                 {
 288                                                         // Put the language file URL into the list of files to
 289                                                         // get downloaded.
 290                                                         languageFiles.push( CKEDITOR.getUrl( pluginPath + 'lang/' + lang + '.js' ) );
 291                                                 }
 292                                                 else
 293                                                 {
 294                                                         CKEDITOR.tools.extend( editor.lang, plugin.langEntries[ lang ] );
 295                                                         lang = null;
 296                                                 }
 297                                         }
 298
 299                                         // Save the language code, so we know later which
 300                                         // language has been resolved to this plugin.
 301                                         languageCodes.push( lang );
 302
 303                                         pluginsArray.push( plugin );
 304                                 }
 305
 306                                 // Load all plugin specific language files in a row.
 307                                 CKEDITOR.scriptLoader.load( languageFiles, function()
 308                                         {
 309                                                 // Initialize all plugins that have the "beforeInit" and "init" methods defined.
 310                                                 var methods = [ 'beforeInit', 'init', 'afterInit' ];
 311                                                 for ( var m = 0 ; m < methods.length ; m++ )
 312                                                 {
 313                                                         for ( var i = 0 ; i < pluginsArray.length ; i++ )
 314                                                         {
 315                                                                 var plugin = pluginsArray[ i ];
 316
 317                                                                 // Uses the first loop to update the language entries also.
 318                                                                 if ( m === 0 && languageCodes[ i ] && plugin.lang )
 319                                                                         CKEDITOR.tools.extend( editor.lang, plugin.langEntries[ languageCodes[ i ] ] );
 320
 321                                                                 // Call the plugin method (beforeInit and init).
 322                                                                 if ( plugin[ methods[ m ] ] )
 323                                                                         plugin[ methods[ m ] ]( editor );
 324                                                         }
 325                                                 }
 326
 327                                                 // Load the editor skin.
 328                                                 editor.fire( 'pluginsLoaded' );
 329                                                 loadTheme( editor );
 330                                         });
 331                         });
 332         };
 333
 334         var loadSkin = function( editor )
 335         {
 336                 CKEDITOR.skins.load( editor, 'editor', function()
 337                         {
 338                                 loadLang( editor );
 339                         });
 340         };
 341
 342         var loadTheme = function( editor )
 343         {
 344                 var theme = editor.config.theme;
 345                 CKEDITOR.themes.load( theme, function()
 346                         {
 347                                 /**
 348                                  * The theme used by this editor instance.
 349                                  * @name CKEDITOR.editor.prototype.theme
 350                                  * @type CKEDITOR.theme
 351                                  * @example
 352                                  * alert( editor.theme );  // E.g. "http://example.com/ckeditor/themes/default/"
 353                                  */
 354                                 var editorTheme = editor.theme = CKEDITOR.themes.get( theme );
 355                                 editorTheme.path = CKEDITOR.themes.getPath( theme );
 356                                 editorTheme.build( editor );
 357
 358                                 if ( editor.config.autoUpdateElement )
 359                                         attachToForm( editor );
 360                         });
 361         };
 362
 363         var attachToForm = function( editor )
 364         {
 365                 var element = editor.element;
 366
 367                 // If are replacing a textarea, we must
 368                 if ( editor.elementMode == CKEDITOR.ELEMENT_MODE_REPLACE && element.is( 'textarea' ) )
 369                 {
 370                         var form = element.$.form && new CKEDITOR.dom.element( element.$.form );
 371                         if ( form )
 372                         {
 373                                 function onSubmit()
 374                                 {
 375                                         editor.updateElement();
 376                                 }
 377                                 form.on( 'submit',onSubmit );
 378
 379                                 // Setup the submit function because it doesn't fire the
 380                                 // "submit" event.
 381                                 if ( !form.$.submit.nodeName && !form.$.submit.length )
 382                                 {
 383                                         form.$.submit = CKEDITOR.tools.override( form.$.submit, function( originalSubmit )
 384                                                 {
 385                                                         return function()
 386                                                                 {
 387                                                                         editor.updateElement();
 388
 389                                                                         // For IE, the DOM submit function is not a
 390                                                                         // function, so we need thid check.
 391                                                                         if ( originalSubmit.apply )
 392                                                                                 originalSubmit.apply( this, arguments );
 393                                                                         else
 394                                                                                 originalSubmit();
 395                                                                 };
 396                                                 });
 397                                 }
 398
 399                                 // Remove 'submit' events registered on form element before destroying.(#3988)
 400                                 editor.on( 'destroy', function()
 401                                 {
 402                                         form.removeListener( 'submit', onSubmit );
 403                                 } );
 404                         }
 405                 }
 406         };
 407
 408         function updateCommands()
 409         {
 410                 var command,
 411                         commands = this._.commands,
 412                         mode = this.mode;
 413
 414                 if ( !mode )
 415                         return;
 416
 417                 for ( var name in commands )
 418                 {
 419                         command = commands[ name ];
 420                         command[ command.startDisabled ? 'disable' :
 421                                          this.readOnly && !command.readOnly ? 'disable' : command.modes[ mode ] ? 'enable' : 'disable' ]();
 422                 }
 423         }
 424
 425         /**
 426          * Initializes the editor instance. This function is called by the editor
 427          * contructor (<code>editor_basic.js</code>).
 428          * @private
 429          */
 430         CKEDITOR.editor.prototype._init = function()
 431                 {
 432                         // Get the properties that have been saved in the editor_base
 433                         // implementation.
 434                         var element                     = CKEDITOR.dom.element.get( this._.element ),
 435                                 instanceConfig  = this._.instanceConfig;
 436                         delete this._.element;
 437                         delete this._.instanceConfig;
 438
 439                         this._.commands = {};
 440                         this._.styles = [];
 441
 442                         /**
 443                          * The DOM element that was replaced by this editor instance. This
 444                          * element stores the editor data on load and post.
 445                          * @name CKEDITOR.editor.prototype.element
 446                          * @type CKEDITOR.dom.element
 447                          * @example
 448                          * var editor = CKEDITOR.instances.editor1;
 449                          * alert( <strong>editor.element</strong>.getName() );  // E.g. "textarea"
 450                          */
 451                         this.element = element;
 452
 453                         /**
 454                          * The editor instance name. It may be the replaced element ID, name, or
 455                          * a default name using the progressive counter (<code>editor1</code>,
 456                          * <code>editor2</code>, ...).
 457                          * @name CKEDITOR.editor.prototype.name
 458                          * @type String
 459                          * @example
 460                          * var editor = CKEDITOR.instances.editor1;
 461                          * alert( <strong>editor.name</strong> );  // "editor1"
 462                          */
 463                         this.name = ( element && ( this.elementMode == CKEDITOR.ELEMENT_MODE_REPLACE )
 464                                                         && ( element.getId() || element.getNameAtt() ) )
 465                                                 || getNewName();
 466
 467                         if ( this.name in CKEDITOR.instances )
 468                                 throw '[CKEDITOR.editor] The instance "' + this.name + '" already exists.';
 469
 470                         /**
 471                          * A unique random string assigned to each editor instance on the page.
 472                          * @name CKEDITOR.editor.prototype.id
 473                          * @type String
 474                          */
 475                         this.id = CKEDITOR.tools.getNextId();
 476
 477                         /**
 478                          * The configurations for this editor instance. It inherits all
 479                          * settings defined in <code>(@link CKEDITOR.config}</code>, combined with settings
 480                          * loaded from custom configuration files and those defined inline in
 481                          * the page when creating the editor.
 482                          * @name CKEDITOR.editor.prototype.config
 483                          * @type Object
 484                          * @example
 485                          * var editor = CKEDITOR.instances.editor1;
 486                          * alert( <strong>editor.config.theme</strong> );  // E.g. "default"
 487                          */
 488                         this.config = CKEDITOR.tools.prototypedCopy( CKEDITOR.config );
 489
 490                         /**
 491                          * The namespace containing UI features related to this editor instance.
 492                          * @name CKEDITOR.editor.prototype.ui
 493                          * @type CKEDITOR.ui
 494                          * @example
 495                          */
 496                         this.ui = new CKEDITOR.ui( this );
 497
 498                         /**
 499                          * Controls the focus state of this editor instance. This property
 500                          * is rarely used for normal API operations. It is mainly
 501                          * intended for developers adding UI elements to the editor interface.
 502                          * @name CKEDITOR.editor.prototype.focusManager
 503                          * @type CKEDITOR.focusManager
 504                          * @example
 505                          */
 506                         this.focusManager = new CKEDITOR.focusManager( this );
 507
 508                         CKEDITOR.fire( 'instanceCreated', null, this );
 509
 510                         this.on( 'mode', updateCommands, null, null, 1 );
 511                         this.on( 'readOnly', updateCommands, null, null, 1 );
 512
 513                         initConfig( this, instanceConfig );
 514                 };
 515 })();
 516
 517 CKEDITOR.tools.extend( CKEDITOR.editor.prototype,
 518         /** @lends CKEDITOR.editor.prototype */
 519         {
 520                 /**
 521                  * Adds a command definition to the editor instance. Commands added with
 522                  * this function can be executed later with the <code>{@link #execCommand}</code> method.
 523                  * @param {String} commandName The indentifier name of the command.
 524                  * @param {CKEDITOR.commandDefinition} commandDefinition The command definition.
 525                  * @example
 526                  * editorInstance.addCommand( 'sample',
 527                  * {
 528                  *     exec : function( editor )
 529                  *     {
 530                  *         alert( 'Executing a command for the editor name "' + editor.name + '"!' );
 531                  *     }
 532                  * });
 533                  */
 534                 addCommand : function( commandName, commandDefinition )
 535                 {
 536                         return this._.commands[ commandName ] = new CKEDITOR.command( this, commandDefinition );
 537                 },
 538
 539                 /**
 540                  * Adds a piece of CSS code to the editor which will be applied to the WYSIWYG editing document.
 541                  * This CSS would not be added to the output, and is there mainly for editor-specific editing requirements.
 542                  * Note: This function should be called before the editor is loaded to take effect.
 543                  * @param css {String} CSS text.
 544                  * @example
 545                  * editorInstance.addCss( 'body { background-color: grey; }' );
 546                  */
 547                 addCss : function( css )
 548                 {
 549                         this._.styles.push( css );
 550                 },
 551
 552                 /**
 553                  * Destroys the editor instance, releasing all resources used by it.
 554                  * If the editor replaced an element, the element will be recovered.
 555                  * @param {Boolean} [noUpdate] If the instance is replacing a DOM
 556                  *              element, this parameter indicates whether or not to update the
 557                  *              element with the instance contents.
 558                  * @example
 559                  * alert( CKEDITOR.instances.editor1 );  //  E.g "object"
 560                  * <strong>CKEDITOR.instances.editor1.destroy()</strong>;
 561                  * alert( CKEDITOR.instances.editor1 );  // "undefined"
 562                  */
 563                 destroy : function( noUpdate )
 564                 {
 565                         if ( !noUpdate )
 566                                 this.updateElement();
 567
 568                         this.fire( 'destroy' );
 569                         this.theme && this.theme.destroy( this );
 570
 571                         CKEDITOR.remove( this );
 572                         CKEDITOR.fire( 'instanceDestroyed', null, this );
 573                 },
 574
 575                 /**
 576                  * Executes a command associated with the editor.
 577                  * @param {String} commandName The indentifier name of the command.
 578                  * @param {Object} [data] Data to be passed to the command.
 579                  * @returns {Boolean} <code>true</code> if the command was executed
 580                  *              successfully, otherwise <code>false</code>.
 581                  * @see CKEDITOR.editor.addCommand
 582                  * @example
 583                  * editorInstance.execCommand( 'bold' );
 584                  */
 585                 execCommand : function( commandName, data )
 586                 {
 587                         var command = this.getCommand( commandName );
 588
 589                         var eventData =
 590                         {
 591                                 name: commandName,
 592                                 commandData: data,
 593                                 command: command
 594                         };
 595
 596                         if ( command && command.state != CKEDITOR.TRISTATE_DISABLED )
 597                         {
 598                                 if ( this.fire( 'beforeCommandExec', eventData ) !== true )
 599                                 {
 600                                         eventData.returnValue = command.exec( eventData.commandData );
 601
 602                                         // Fire the 'afterCommandExec' immediately if command is synchronous.
 603                                         if ( !command.async && this.fire( 'afterCommandExec', eventData ) !== true )
 604                                                 return eventData.returnValue;
 605                                 }
 606                         }
 607
 608                         // throw 'Unknown command name "' + commandName + '"';
 609                         return false;
 610                 },
 611
 612                 /**
 613                  * Gets one of the registered commands. Note that after registering a
 614                  * command definition with <code>{@link #addCommand}</code>, it is
 615                  * transformed internally into an instance of
 616                  * <code>{@link CKEDITOR.command}</code>, which will then be returned
 617                  * by this function.
 618                  * @param {String} commandName The name of the command to be returned.
 619                  * This is the same name that is used to register the command with
 620                  *              <code>addCommand</code>.
 621                  * @returns {CKEDITOR.command} The command object identified by the
 622                  * provided name.
 623                  */
 624                 getCommand : function( commandName )
 625                 {
 626                         return this._.commands[ commandName ];
 627                 },
 628
 629                 /**
 630                  * Gets the editor data. The data will be in raw format. It is the same
 631                  * data that is posted by the editor.
 632                  * @type String
 633                  * @returns (String) The editor data.
 634                  * @example
 635                  * if ( CKEDITOR.instances.editor1.<strong>getData()</strong> == '' )
 636                  *     alert( 'There is no data available' );
 637                  */
 638                 getData : function()
 639                 {
 640                         this.fire( 'beforeGetData' );
 641
 642                         var eventData = this._.data;
 643
 644                         if ( typeof eventData != 'string' )
 645                         {
 646                                 var element = this.element;
 647                                 if ( element && this.elementMode == CKEDITOR.ELEMENT_MODE_REPLACE )
 648                                         eventData = element.is( 'textarea' ) ? element.getValue() : element.getHtml();
 649                                 else
 650                                         eventData = '';
 651                         }
 652
 653                         eventData = { dataValue : eventData };
 654
 655                         // Fire "getData" so data manipulation may happen.
 656                         this.fire( 'getData', eventData );
 657
 658                         return eventData.dataValue;
 659                 },
 660
 661                 /**
 662                  * Gets the "raw data" currently available in the editor. This is a
 663                  * fast method which returns the data as is, without processing, so it is
 664                  * not recommended to use it on resulting pages. Instead it can be used
 665                  * combined with the <code>{@link #loadSnapshot}</code> method in order
 666                  * to be able to automatically save the editor data from time to time
 667                  * while the user is using the editor, to avoid data loss, without risking
 668                  * performance issues.
 669                  * @see CKEDITOR.editor.getData
 670                  * @example
 671                  * alert( editor.getSnapshot() );
 672                  */
 673                 getSnapshot : function()
 674                 {
 675                         var data = this.fire( 'getSnapshot' );
 676
 677                         if ( typeof data != 'string' )
 678                         {
 679                                 var element = this.element;
 680                                 if ( element && this.elementMode == CKEDITOR.ELEMENT_MODE_REPLACE )
 681                                         data = element.is( 'textarea' ) ? element.getValue() : element.getHtml();
 682                         }
 683
 684                         return data;
 685                 },
 686
 687                 /**
 688                  * Loads "raw data" into the editor. The data is loaded with processing
 689                  * straight to the editing area. It should not be used as a way to load
 690                  * any kind of data, but instead in combination with
 691                  * <code>{@link #getSnapshot}</code> produced data.
 692                  * @see CKEDITOR.editor.setData
 693                  * @example
 694                  * var data = editor.getSnapshot();
 695                  * editor.<strong>loadSnapshot( data )</strong>;
 696                  */
 697                 loadSnapshot : function( snapshot )
 698                 {
 699                         this.fire( 'loadSnapshot', snapshot );
 700                 },
 701
 702                 /**
 703                  * Sets the editor data. The data must be provided in the raw format (HTML).<br />
 704                  * <br />
 705                  * Note that this method is asynchronous. The <code>callback</code> parameter must
 706                  * be used if interaction with the editor is needed after setting the data.
 707                  * @param {String} data HTML code to replace the curent content in the
 708                  *              editor.
 709                  * @param {Function} callback Function to be called after the <code>setData</code>
 710                  *              is completed.
 711                  *@param {Boolean} internal Whether to suppress any event firing when copying data
 712                  *              internally inside the editor.
 713                  * @example
 714                  * CKEDITOR.instances.editor1.<strong>setData</strong>( '&lt;p&gt;This is the editor data.&lt;/p&gt;' );
 715                  * @example
 716                  * CKEDITOR.instances.editor1.<strong>setData</strong>( '&lt;p&gt;Some other editor data.&lt;/p&gt;', function()
 717                  *     {
 718                  *         this.checkDirty();  // true
 719                  *     });
 720                  */
 721                 setData : function( data , callback, internal )
 722                 {
 723                         if( callback )
 724                         {
 725                                 this.on( 'dataReady', function( evt )
 726                                 {
 727                                         evt.removeListener();
 728                                         callback.call( evt.editor );
 729                                 } );
 730                         }
 731
 732                         // Fire "setData" so data manipulation may happen.
 733                         var eventData = { dataValue : data };
 734                         !internal && this.fire( 'setData', eventData );
 735
 736                         this._.data = eventData.dataValue;
 737
 738                         !internal && this.fire( 'afterSetData', eventData );
 739                 },
 740
 741                 /**
 742                  * Puts or restores the editor into read-only state. When in read-only,
 743                  * the user is not able to change the editor contents, but can still use
 744                  * some editor features. This function sets the <code>{@link CKEDITOR.config.readOnly}</code>
 745                  * property of the editor, firing the <code>{@link CKEDITOR.editor#readOnly}</code> event.<br><br>
 746                  * <strong>Note:</strong> the current editing area will be reloaded.
 747                  * @param {Boolean} [isReadOnly] Indicates that the editor must go
 748                  *              read-only (<code>true</code>, default) or be restored and made editable
 749                  *              (<code>false</code>).
 750                  * @since 3.6
 751                  */
 752                 setReadOnly : function( isReadOnly )
 753                 {
 754                         isReadOnly = ( isReadOnly == undefined ) || isReadOnly;
 755
 756                         if ( this.readOnly != isReadOnly )
 757                         {
 758                                 this.readOnly = isReadOnly;
 759
 760                                 // Fire the readOnly event so the editor features can update
 761                                 // their state accordingly.
 762                                 this.fire( 'readOnly' );
 763                         }
 764                 },
 765
 766                 /**
 767                  * Inserts HTML code into the currently selected position in the editor in WYSIWYG mode.
 768                  * @param {String} data HTML code to be inserted into the editor.
 769                  * @example
 770                  * CKEDITOR.instances.editor1.<strong>insertHtml( '&lt;p&gt;This is a new paragraph.&lt;/p&gt;' )</strong>;
 771                  */
 772                 insertHtml : function( data )
 773                 {
 774                         this.fire( 'insertHtml', data );
 775                 },
 776
 777                 /**
 778                  * Insert text content into the currently selected position in the
 779                  * editor in WYSIWYG mode. The styles of the selected element will be applied to the inserted text.
 780                  * Spaces around the text will be leaving untouched.
 781                  * <strong>Note:</strong> two subsequent line-breaks will introduce one paragraph. This depends on <code>{@link CKEDITOR.config.enterMode}</code>;
 782                  * A single line-break will be instead translated into one &lt;br /&gt;.
 783                  * @since 3.5
 784                  * @param {String} text Text to be inserted into the editor.
 785                  * @example
 786                  * CKEDITOR.instances.editor1.<strong>insertText( ' line1 \n\n line2' )</strong>;
 787                  */
 788                 insertText : function( text )
 789                 {
 790                         this.fire( 'insertText', text );
 791                 },
 792
 793                 /**
 794                  * Inserts an element into the currently selected position in the
 795                  * editor in WYSIWYG mode.
 796                  * @param {CKEDITOR.dom.element} element The element to be inserted
 797                  *              into the editor.
 798                  * @example
 799                  * var element = CKEDITOR.dom.element.createFromHtml( '&lt;img src="hello.png" border="0" title="Hello" /&gt;' );
 800                  * CKEDITOR.instances.editor1.<strong>insertElement( element )</strong>;
 801                  */
 802                 insertElement : function( element )
 803                 {
 804                         this.fire( 'insertElement', element );
 805                 },
 806
 807                 /**
 808                  * Checks whether the current editor contents contain changes when
 809                  * compared to the contents loaded into the editor at startup, or to
 810                  * the contents available in the editor when <code>{@link #resetDirty}</code>
 811                  * was called.
 812                  * @returns {Boolean} "true" is the contents contain changes.
 813                  * @example
 814                  * function beforeUnload( e )
 815                  * {
 816                  *     if ( CKEDITOR.instances.editor1.<strong>checkDirty()</strong> )
 817                  *              return e.returnValue = "You will lose the changes made in the editor.";
 818                  * }
 819                  *
 820                  * if ( window.addEventListener )
 821                  *     window.addEventListener( 'beforeunload', beforeUnload, false );
 822                  * else
 823                  *     window.attachEvent( 'onbeforeunload', beforeUnload );
 824                  */
 825                 checkDirty : function()
 826                 {
 827                         return ( this.mayBeDirty && this._.previousValue !== this.getSnapshot() );
 828                 },
 829
 830                 /**
 831                  * Resets the "dirty state" of the editor so subsequent calls to
 832                  * <code>{@link #checkDirty}</code> will return <code>false</code> if the user will not
 833                  * have made further changes to the contents.
 834                  * @example
 835                  * alert( editor.checkDirty() );  // E.g. "true"
 836                  * editor.<strong>resetDirty()</strong>;
 837                  * alert( editor.checkDirty() );  // "false"
 838                  */
 839                 resetDirty : function()
 840                 {
 841                         if ( this.mayBeDirty )
 842                                 this._.previousValue = this.getSnapshot();
 843                 },
 844
 845                 /**
 846                  * Updates the <code>&lt;textarea&gt;</code> element that was replaced by the editor with
 847                  * the current data available in the editor.
 848                  * @see CKEDITOR.editor.element
 849                  * @example
 850                  * CKEDITOR.instances.editor1.updateElement();
 851                  * alert( document.getElementById( 'editor1' ).value );  // The current editor data.
 852                  */
 853                 updateElement : function()
 854                 {
 855                         var element = this.element;
 856                         if ( element && this.elementMode == CKEDITOR.ELEMENT_MODE_REPLACE )
 857                         {
 858                                 var data = this.getData();
 859
 860                                 if ( this.config.htmlEncodeOutput )
 861                                         data = CKEDITOR.tools.htmlEncode( data );
 862
 863                                 if ( element.is( 'textarea' ) )
 864                                         element.setValue( data );
 865                                 else
 866                                         element.setHtml( data );
 867                         }
 868                 }
 869         });
 870
 871 CKEDITOR.on( 'loaded', function()
 872         {
 873                 // Run the full initialization for pending editors.
 874                 var pending = CKEDITOR.editor._pending;
 875                 if ( pending )
 876                 {
 877                         delete CKEDITOR.editor._pending;
 878
 879                         for ( var i = 0 ; i < pending.length ; i++ )
 880                                 pending[ i ]._init();
 881                 }
 882         });
 883
 884 /**
 885  * Whether to escape HTML when the editor updates the original input element.
 886  * @name CKEDITOR.config.htmlEncodeOutput
 887  * @since 3.1
 888  * @type Boolean
 889  * @default false
 890  * @example
 891  * config.htmlEncodeOutput = true;
 892  */
 893
 894 /**
 895  * If <code>true</code>, makes the editor start in read-only state. Otherwise, it will check
 896  * if the linked <code>&lt;textarea&gt;</code> element has the <code>disabled</code> attribute.
 897  * @name CKEDITOR.config.readOnly
 898  * @see CKEDITOR.editor#setReadOnly
 899  * @type Boolean
 900  * @default false
 901  * @since 3.6
 902  * @example
 903  * config.readOnly = true;
 904  */
 905
 906 /**
 907  * Fired when a CKEDITOR instance is created, but still before initializing it.
 908  * To interact with a fully initialized instance, use the
 909  * <code>{@link CKEDITOR#instanceReady}</code> event instead.
 910  * @name CKEDITOR#instanceCreated
 911  * @event
 912  * @param {CKEDITOR.editor} editor The editor instance that has been created.
 913  */
 914
 915 /**
 916  * Fired when a CKEDITOR instance is destroyed.
 917  * @name CKEDITOR#instanceDestroyed
 918  * @event
 919  * @param {CKEDITOR.editor} editor The editor instance that has been destroyed.
 920  */
 921
 922 /**
 923  * Fired when the language is loaded into the editor instance.
 924  * @name CKEDITOR.editor#langLoaded
 925  * @event
 926  * @since 3.6.1
 927  * @param {CKEDITOR.editor} editor This editor instance.
 928  */
 929
 930 /**
 931  * Fired when all plugins are loaded and initialized into the editor instance.
 932  * @name CKEDITOR.editor#pluginsLoaded
 933  * @event
 934  * @param {CKEDITOR.editor} editor This editor instance.
 935  */
 936
 937 /**
 938  * Fired before the command execution when <code>{@link #execCommand}</code> is called.
 939  * @name CKEDITOR.editor#beforeCommandExec
 940  * @event
 941  * @param {CKEDITOR.editor} editor This editor instance.
 942  * @param {String} data.name The command name.
 943  * @param {Object} data.commandData The data to be sent to the command. This
 944  *              can be manipulated by the event listener.
 945  * @param {CKEDITOR.command} data.command The command itself.
 946  */
 947
 948 /**
 949  * Fired after the command execution when <code>{@link #execCommand}</code> is called.
 950  * @name CKEDITOR.editor#afterCommandExec
 951  * @event
 952  * @param {CKEDITOR.editor} editor This editor instance.
 953  * @param {String} data.name The command name.
 954  * @param {Object} data.commandData The data sent to the command.
 955  * @param {CKEDITOR.command} data.command The command itself.
 956  * @param {Object} data.returnValue The value returned by the command execution.
 957  */
 958
 959 /**
 960  * Fired when the custom configuration file is loaded, before the final
 961  * configurations initialization.<br />
 962  * <br />
 963  * Custom configuration files can be loaded thorugh the
 964  * <code>{@link CKEDITOR.config.customConfig}</code> setting. Several files can be loaded
 965  * by changing this setting.
 966  * @name CKEDITOR.editor#customConfigLoaded
 967  * @event
 968  * @param {CKEDITOR.editor} editor This editor instance.
 969  */
 970
 971 /**
 972  * Fired once the editor configuration is ready (loaded and processed).
 973  * @name CKEDITOR.editor#configLoaded
 974  * @event
 975  * @param {CKEDITOR.editor} editor This editor instance.
 976  */
 977
 978 /**
 979  * Fired when this editor instance is destroyed. The editor at this
 980  * point is not usable and this event should be used to perform the clean-up
 981  * in any plugin.
 982  * @name CKEDITOR.editor#destroy
 983  * @event
 984  */
 985
 986 /**
 987  * Internal event to get the current data.
 988  * @name CKEDITOR.editor#beforeGetData
 989  * @event
 990  */
 991
 992 /**
 993  * Internal event to perform the <code>#getSnapshot</code> call.
 994  * @name CKEDITOR.editor#getSnapshot
 995  * @event
 996  */
 997
 998 /**
 999  * Internal event to perform the <code>#loadSnapshot</code> call.
1000  * @name CKEDITOR.editor#loadSnapshot
1001  * @event
1002  */
1003
1004 /**
1005  * Event fired before the <code>#getData</code> call returns allowing additional manipulation.
1006  * @name CKEDITOR.editor#getData
1007  * @event
1008  * @param {CKEDITOR.editor} editor This editor instance.
1009  * @param {String} data.dataValue The data that will be returned.
1010  */
1011
1012 /**
1013  * Event fired before the <code>#setData</code> call is executed allowing additional manipulation.
1014  * @name CKEDITOR.editor#setData
1015  * @event
1016  * @param {CKEDITOR.editor} editor This editor instance.
1017  * @param {String} data.dataValue The data that will be used.
1018  */
1019
1020 /**
1021  * Event fired at the end of the <code>#setData</code> call execution. Usually it is better to use the
1022  * <code>{@link CKEDITOR.editor.prototype.dataReady}</code> event.
1023  * @name CKEDITOR.editor#afterSetData
1024  * @event
1025  * @param {CKEDITOR.editor} editor This editor instance.
1026  * @param {String} data.dataValue The data that has been set.
1027  */
1028
1029 /**
1030  * Internal event to perform the <code>#insertHtml</code> call
1031  * @name CKEDITOR.editor#insertHtml
1032  * @event
1033  * @param {CKEDITOR.editor} editor This editor instance.
1034  * @param {String} data The HTML to insert.
1035  */
1036
1037 /**
1038  * Internal event to perform the <code>#insertText</code> call
1039  * @name CKEDITOR.editor#insertText
1040  * @event
1041  * @param {CKEDITOR.editor} editor This editor instance.
1042  * @param {String} text The text to insert.
1043  */
1044
1045 /**
1046  * Internal event to perform the <code>#insertElement</code> call
1047  * @name CKEDITOR.editor#insertElement
1048  * @event
1049  * @param {CKEDITOR.editor} editor This editor instance.
1050  * @param {Object} element The element to insert.
1051  */
1052
1053 /**
1054  * Event fired after the <code>{@link CKEDITOR.editor#readOnly}</code> property changes.
1055  * @name CKEDITOR.editor#readOnly
1056  * @event
1057  * @since 3.6
1058  * @param {CKEDITOR.editor} editor This editor instance.
1059  */