_source/plugins/wysiwygarea/plugin.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 The "wysiwygarea" plugin. It registers the "wysiwyg" editing\r
   8  *              mode, which handles the main editing area space.\r
   9  */\r
  10 \r
  11 (function()\r
  12 {\r
  13         // List of elements in which has no way to move editing focus outside.\r
  14         var nonExitableElementNames = { table:1,pre:1 };\r
  15 \r
  16         // Matching an empty paragraph at the end of document.\r
  17         var emptyParagraphRegexp = /\s*<(p|div|address|h\d|center)[^>]*>\s*(?:<br[^>]*>|&nbsp;|\u00A0|&#160;)?\s*(:?<\/\1>)?\s*(?=$|<\/body>)/gi;\r
  18 \r
  19         function onInsertHtml( evt )\r
  20         {\r
  21                 if ( this.mode == 'wysiwyg' )\r
  22                 {\r
  23                         this.focus();\r
  24                         this.fire( 'saveSnapshot' );\r
  25 \r
  26                         var selection = this.getSelection(),\r
  27                                 data = evt.data;\r
  28 \r
  29                         if ( this.dataProcessor )\r
  30                                 data = this.dataProcessor.toHtml( data );\r
  31 \r
  32                         if ( CKEDITOR.env.ie )\r
  33                         {\r
  34                                 var selIsLocked = selection.isLocked;\r
  35 \r
  36                                 if ( selIsLocked )\r
  37                                         selection.unlock();\r
  38 \r
  39                                 var $sel = selection.getNative();\r
  40                                 if ( $sel.type == 'Control' )\r
  41                                         $sel.clear();\r
  42                                 $sel.createRange().pasteHTML( data );\r
  43 \r
  44                                 if ( selIsLocked )\r
  45                                         this.getSelection().lock();\r
  46                         }\r
  47                         else\r
  48                                 this.document.$.execCommand( 'inserthtml', false, data );\r
  49 \r
  50                         CKEDITOR.tools.setTimeout( function()\r
  51                                 {\r
  52                                         this.fire( 'saveSnapshot' );\r
  53                                 }, 0, this );\r
  54                 }\r
  55         }\r
  56 \r
  57         function onInsertElement( evt )\r
  58         {\r
  59                 if ( this.mode == 'wysiwyg' )\r
  60                 {\r
  61                         this.focus();\r
  62                         this.fire( 'saveSnapshot' );\r
  63 \r
  64                         var element = evt.data,\r
  65                                 elementName = element.getName(),\r
  66                                 isBlock = CKEDITOR.dtd.$block[ elementName ];\r
  67 \r
  68                         var selection = this.getSelection(),\r
  69                                 ranges = selection.getRanges();\r
  70 \r
  71                         var selIsLocked = selection.isLocked;\r
  72 \r
  73                         if ( selIsLocked )\r
  74                                 selection.unlock();\r
  75 \r
  76                         var range, clone, lastElement, bookmark;\r
  77 \r
  78                         for ( var i = ranges.length - 1 ; i >= 0 ; i-- )\r
  79                         {\r
  80                                 range = ranges[ i ];\r
  81 \r
  82                                 // Remove the original contents.\r
  83                                 range.deleteContents();\r
  84 \r
  85                                 clone = !i && element || element.clone( true );\r
  86 \r
  87                                 // If we're inserting a block at dtd-violated position, split\r
  88                                 // the parent blocks until we reach blockLimit.\r
  89                                 var current, dtd;\r
  90                                 if ( isBlock )\r
  91                                 {\r
  92                                         while( ( current = range.getCommonAncestor( false, true ) )\r
  93                                                         && ( dtd = CKEDITOR.dtd[ current.getName() ] )\r
  94                                                         && !( dtd && dtd [ elementName ] ) )\r
  95                                         {\r
  96                                                 // Split up inline elements.\r
  97                                                 if ( current.getName() in CKEDITOR.dtd.span )\r
  98                                                         range.splitElement( current );\r
  99                                                 // If we're in an empty block which indicate a new paragraph,\r
 100                                                 // simply replace it with the inserting block.(#3664)\r
 101                                                 else if ( range.checkStartOfBlock()\r
 102                                                          && range.checkEndOfBlock() )\r
 103                                                 {\r
 104                                                         range.setStartBefore( current );\r
 105                                                         range.collapse( true );\r
 106                                                         current.remove();\r
 107                                                 }\r
 108                                                 else\r
 109                                                         range.splitBlock();\r
 110                                         }\r
 111                                 }\r
 112 \r
 113                                 // Insert the new node.\r
 114                                 range.insertNode( clone );\r
 115 \r
 116                                 // Save the last element reference so we can make the\r
 117                                 // selection later.\r
 118                                 if ( !lastElement )\r
 119                                         lastElement = clone;\r
 120                         }\r
 121 \r
 122                         range.moveToPosition( lastElement, CKEDITOR.POSITION_AFTER_END );\r
 123 \r
 124                         var next = lastElement.getNextSourceNode( true );\r
 125                         if ( next && next.type == CKEDITOR.NODE_ELEMENT )\r
 126                                 range.moveToElementEditStart( next );\r
 127 \r
 128                         selection.selectRanges( [ range ] );\r
 129 \r
 130                         if ( selIsLocked )\r
 131                                 this.getSelection().lock();\r
 132 \r
 133                         // Save snaps after the whole execution completed.\r
 134                         // This's a workaround for make DOM modification's happened after\r
 135                         // 'insertElement' to be included either, e.g. Form-based dialogs' 'commitContents'\r
 136                         // call.\r
 137                         CKEDITOR.tools.setTimeout( function(){\r
 138                                 this.fire( 'saveSnapshot' );\r
 139                         }, 0, this );\r
 140                 }\r
 141         }\r
 142 \r
 143         // DOM modification here should not bother dirty flag.(#4385)\r
 144         function restoreDirty( editor )\r
 145         {\r
 146                 if( !editor.checkDirty() )\r
 147                         setTimeout( function(){ editor.resetDirty(); } );\r
 148         }\r
 149 \r
 150         var isNotWhitespace = CKEDITOR.dom.walker.whitespaces( true ),\r
 151                 isNotBookmark = CKEDITOR.dom.walker.bookmark( false, true );\r
 152 \r
 153         function isNotEmpty( node )\r
 154         {\r
 155                 return isNotWhitespace( node ) && isNotBookmark( node );\r
 156         }\r
 157 \r
 158         function isNbsp( node )\r
 159         {\r
 160                 return node.type == CKEDITOR.NODE_TEXT\r
 161                            && CKEDITOR.tools.trim( node.getText() ).match( /^(?:&nbsp;|\xa0)$/ );\r
 162         }\r
 163 \r
 164         /**\r
 165          *  Auto-fixing block-less content by wrapping paragraph (#3190), prevent\r
 166          *  non-exitable-block by padding extra br.(#3189)\r
 167          */\r
 168         function onSelectionChangeFixBody( evt )\r
 169         {\r
 170                 var editor = evt.editor,\r
 171                         path = evt.data.path,\r
 172                         blockLimit = path.blockLimit,\r
 173                         selection = evt.data.selection,\r
 174                         range = selection.getRanges()[0],\r
 175                         body = editor.document.getBody(),\r
 176                         enterMode = editor.config.enterMode;\r
 177 \r
 178                 // When enterMode set to block, we'll establing new paragraph only if we're\r
 179                 // selecting inline contents right under body. (#3657)\r
 180                 if ( enterMode != CKEDITOR.ENTER_BR\r
 181                      && range.collapsed\r
 182                          && blockLimit.getName() == 'body'\r
 183                          && !path.block )\r
 184                 {\r
 185                         restoreDirty( editor );\r
 186                         var fixedBlock = range.fixBlock( true,\r
 187                                         editor.config.enterMode == CKEDITOR.ENTER_DIV ? 'div' : 'p'  );\r
 188 \r
 189                         // For IE, we should remove any filler node which was introduced before.\r
 190                         if ( CKEDITOR.env.ie )\r
 191                         {\r
 192                                 var first = fixedBlock.getFirst( isNotEmpty );\r
 193                                 first && isNbsp( first ) && first.remove();\r
 194                         }\r
 195 \r
 196                         // If the fixed block is blank and already followed by a exitable\r
 197                         // block, we should revert the fix. (#3684)\r
 198                         if( fixedBlock.getOuterHtml().match( emptyParagraphRegexp ) )\r
 199                         {\r
 200                                 var previousElement = fixedBlock.getPrevious( isNotWhitespace ),\r
 201                                         nextElement = fixedBlock.getNext( isNotWhitespace );\r
 202 \r
 203 \r
 204                                 if ( previousElement && previousElement.getName\r
 205                                          && !( previousElement.getName() in nonExitableElementNames )\r
 206                                          && range.moveToElementEditStart( previousElement )\r
 207                                          || nextElement && nextElement.getName\r
 208                                            && !( nextElement.getName() in nonExitableElementNames )\r
 209                                            && range.moveToElementEditStart( nextElement ) )\r
 210                                 {\r
 211                                         fixedBlock.remove();\r
 212                                 }\r
 213                         }\r
 214 \r
 215                         range.select();\r
 216                         // Notify non-IE that selection has changed.\r
 217                         if( !CKEDITOR.env.ie )\r
 218                                 editor.selectionChange();\r
 219                 }\r
 220 \r
 221                 // All browsers are incapable to moving cursor out of certain non-exitable\r
 222                 // blocks (e.g. table, list, pre) at the end of document, make this happen by\r
 223                 // place a bogus node there, which would be later removed by dataprocessor.\r
 224                 var lastNode = body.getLast( CKEDITOR.dom.walker.whitespaces( true ) );\r
 225                 if ( lastNode && lastNode.getName && ( lastNode.getName() in nonExitableElementNames ) )\r
 226                 {\r
 227                         restoreDirty( editor );\r
 228                         if( !CKEDITOR.env.ie )\r
 229                                 body.appendBogus();\r
 230                         else\r
 231                                 body.append( editor.document.createText( '\xa0' ) );\r
 232                 }\r
 233         }\r
 234 \r
 235         CKEDITOR.plugins.add( 'wysiwygarea',\r
 236         {\r
 237                 requires : [ 'editingblock' ],\r
 238 \r
 239                 init : function( editor )\r
 240                 {\r
 241                         var fixForBody = ( editor.config.enterMode != CKEDITOR.ENTER_BR )\r
 242                                 ? editor.config.enterMode == CKEDITOR.ENTER_DIV ? 'div' : 'p' : false;\r
 243 \r
 244                         editor.on( 'editingBlockReady', function()\r
 245                                 {\r
 246                                         var mainElement,\r
 247                                                 fieldset,\r
 248                                                 iframe,\r
 249                                                 isLoadingData,\r
 250                                                 isPendingFocus,\r
 251                                                 frameLoaded,\r
 252                                                 fireMode;\r
 253 \r
 254                                         // Support for custom document.domain in IE.\r
 255                                         var isCustomDomain = CKEDITOR.env.isCustomDomain();\r
 256 \r
 257                                         // Creates the iframe that holds the editable document.\r
 258                                         var createIFrame = function( data )\r
 259                                         {\r
 260                                                 if ( iframe )\r
 261                                                         iframe.remove();\r
 262                                                 if ( fieldset )\r
 263                                                         fieldset.remove();\r
 264 \r
 265                                                 frameLoaded = 0;\r
 266 \r
 267                                                 iframe = CKEDITOR.dom.element.createFromHtml( '<iframe' +\r
 268                                                         ' style="width:100%;height:100%"' +\r
 269                                                         ' frameBorder="0"' +\r
 270                                                         // Support for custom document.domain in IE.\r
 271                                                         ( isCustomDomain ?\r
 272                                                                 ' src="javascript:void((function(){' +\r
 273                                                                         'document.open();' +\r
 274                                                                         'document.domain=\'' + document.domain + '\';' +\r
 275                                                                         'document.close();' +\r
 276                                                                 '})())"' : '' ) +\r
 277                                                         ' tabIndex="-1"' +\r
 278                                                         ' allowTransparency="true"' +\r
 279                                                         '></iframe>' );\r
 280 \r
 281                                                 // Register onLoad event for iframe element, which\r
 282                                                 // will fill it with content and set custom domain.\r
 283                                                 iframe.on( 'load', function( e )\r
 284                                                 {\r
 285                                                         e.removeListener();\r
 286                                                         var doc = iframe.getFrameDocument().$;\r
 287 \r
 288                                                         // Custom domain handling is needed after each document.open().\r
 289                                                         doc.open();\r
 290                                                         if ( isCustomDomain )\r
 291                                                                 doc.domain = document.domain;\r
 292                                                         doc.write( data );\r
 293                                                         doc.close();\r
 294 \r
 295                                                 } );\r
 296 \r
 297                                                 var accTitle = editor.lang.editorTitle.replace( '%1', editor.name );\r
 298 \r
 299                                                 if ( CKEDITOR.env.gecko )\r
 300                                                 {\r
 301                                                         // Accessibility attributes for Firefox.\r
 302                                                         mainElement.setAttributes(\r
 303                                                                 {\r
 304                                                                         role : 'region',\r
 305                                                                         title : accTitle\r
 306                                                                 } );\r
 307                                                         iframe.setAttributes(\r
 308                                                                 {\r
 309                                                                         role : 'region',\r
 310                                                                         title : ' '\r
 311                                                                 } );\r
 312                                                 }\r
 313                                                 else if ( CKEDITOR.env.webkit )\r
 314                                                 {\r
 315                                                         iframe.setAttribute( 'title', accTitle );       // Safari 4\r
 316                                                         iframe.setAttribute( 'name', accTitle );        // Safari 3\r
 317                                                 }\r
 318                                                 else if ( CKEDITOR.env.ie )\r
 319                                                 {\r
 320                                                         // Accessibility label for IE.\r
 321                                                         fieldset = CKEDITOR.dom.element.createFromHtml(\r
 322                                                                 '<fieldset style="height:100%' +\r
 323                                                                 ( CKEDITOR.env.ie && CKEDITOR.env.quirks ? ';position:relative' : '' ) +\r
 324                                                                 '">' +\r
 325                                                                         '<legend style="display:block;width:0;height:0;overflow:hidden;' +\r
 326                                                                         ( CKEDITOR.env.ie && CKEDITOR.env.quirks ? 'position:absolute' : '' ) +\r
 327                                                                         '">' +\r
 328                                                                                 CKEDITOR.tools.htmlEncode( accTitle ) +\r
 329                                                                         '</legend>' +\r
 330                                                                 '</fieldset>'\r
 331                                                                 , CKEDITOR.document );\r
 332                                                         iframe.appendTo( fieldset );\r
 333                                                         fieldset.appendTo( mainElement );\r
 334                                                 }\r
 335 \r
 336                                                 if ( !CKEDITOR.env.ie )\r
 337                                                         mainElement.append( iframe );\r
 338                                         };\r
 339 \r
 340                                         // The script that launches the bootstrap logic on 'domReady', so the document\r
 341                                         // is fully editable even before the editing iframe is fully loaded (#4455).\r
 342                                         var activationScript =\r
 343                                                 '<script id="cke_actscrpt" type="text/javascript">' +\r
 344                                                         'window.parent.CKEDITOR._["contentDomReady' + editor.name + '"]( window );' +\r
 345                                                 '</script>';\r
 346 \r
 347                                         // Editing area bootstrap code.\r
 348                                         var contentDomReady = function( domWindow )\r
 349                                         {\r
 350                                                 if ( frameLoaded )\r
 351                                                         return;\r
 352 \r
 353                                                 frameLoaded = 1;\r
 354 \r
 355                                                 var domDocument = domWindow.document,\r
 356                                                         body = domDocument.body;\r
 357 \r
 358                                                 // Remove this script from the DOM.\r
 359                                                 var script = domDocument.getElementById( "cke_actscrpt" );\r
 360                                                 script.parentNode.removeChild( script );\r
 361 \r
 362                                                 delete CKEDITOR._[ 'contentDomReady' + editor.name ];\r
 363 \r
 364                                                 body.spellcheck = !editor.config.disableNativeSpellChecker;\r
 365 \r
 366                                                 if ( CKEDITOR.env.ie )\r
 367                                                 {\r
 368                                                         // Don't display the focus border.\r
 369                                                         body.hideFocus = true;\r
 370 \r
 371                                                         // Disable and re-enable the body to avoid IE from\r
 372                                                         // taking the editing focus at startup. (#141 / #523)\r
 373                                                         body.disabled = true;\r
 374                                                         body.contentEditable = true;\r
 375                                                         body.removeAttribute( 'disabled' );\r
 376                                                 }\r
 377                                                 else\r
 378                                                         domDocument.designMode = 'on';\r
 379 \r
 380                                                 // IE, Opera and Safari may not support it and throw\r
 381                                                 // errors.\r
 382                                                 try { domDocument.execCommand( 'enableObjectResizing', false, !editor.config.disableObjectResizing ) ; } catch(e) {}\r
 383                                                 try { domDocument.execCommand( 'enableInlineTableEditing', false, !editor.config.disableNativeTableHandles ) ; } catch(e) {}\r
 384 \r
 385                                                 domWindow       = editor.window         = new CKEDITOR.dom.window( domWindow );\r
 386                                                 domDocument     = editor.document       = new CKEDITOR.dom.document( domDocument );\r
 387 \r
 388                                                 // Gecko/Webkit need some help when selecting control type elements. (#3448)\r
 389                                                 if ( !( CKEDITOR.env.ie || CKEDITOR.env.opera) )\r
 390                                                 {\r
 391                                                         domDocument.on( 'mousedown', function( ev )\r
 392                                                         {\r
 393                                                                 var control = ev.data.getTarget();\r
 394                                                                 if ( control.is( 'img', 'hr', 'input', 'textarea', 'select' ) )\r
 395                                                                         editor.getSelection().selectElement( control );\r
 396                                                         } );\r
 397                                                 }\r
 398 \r
 399                                                 // Webkit: avoid from editing form control elements content.\r
 400                                                 if ( CKEDITOR.env.webkit )\r
 401                                                 {\r
 402                                                         // Prevent from tick checkbox/radiobox/select\r
 403                                                         domDocument.on( 'click', function( ev )\r
 404                                                         {\r
 405                                                                 if ( ev.data.getTarget().is( 'input', 'select' ) )\r
 406                                                                         ev.data.preventDefault();\r
 407                                                         } );\r
 408 \r
 409                                                         // Prevent from editig textfield/textarea value.\r
 410                                                         domDocument.on( 'mouseup', function( ev )\r
 411                                                         {\r
 412                                                                 if ( ev.data.getTarget().is( 'input', 'textarea' ) )\r
 413                                                                         ev.data.preventDefault();\r
 414                                                         } );\r
 415                                                 }\r
 416 \r
 417                                                 // IE standard compliant in editing frame doesn't focus the editor when\r
 418                                                 // clicking outside actual content, manually apply the focus. (#1659)\r
 419                                                 if( CKEDITOR.env.ie\r
 420                                                         && domDocument.$.compatMode == 'CSS1Compat' )\r
 421                                                 {\r
 422                                                         var htmlElement = domDocument.getDocumentElement();\r
 423                                                         htmlElement.on( 'mousedown', function( evt )\r
 424                                                         {\r
 425                                                                 // Setting focus directly on editor doesn't work, we\r
 426                                                                 // have to use here a temporary element to 'redirect'\r
 427                                                                 // the focus.\r
 428                                                                 if ( evt.data.getTarget().equals( htmlElement ) )\r
 429                                                                         ieFocusGrabber.focus();\r
 430                                                         } );\r
 431                                                 }\r
 432 \r
 433                                                 var focusTarget = ( CKEDITOR.env.ie || CKEDITOR.env.webkit ) ?\r
 434                                                                 domWindow : domDocument;\r
 435 \r
 436                                                 focusTarget.on( 'blur', function()\r
 437                                                         {\r
 438                                                                 editor.focusManager.blur();\r
 439                                                         });\r
 440 \r
 441                                                 focusTarget.on( 'focus', function()\r
 442                                                         {\r
 443                                                                 // Gecko need a key event to 'wake up' the editing\r
 444                                                                 // ability when document is empty.(#3864)\r
 445                                                                 if ( CKEDITOR.env.gecko )\r
 446                                                                 {\r
 447                                                                         var first = body;\r
 448                                                                         while( first.firstChild )\r
 449                                                                                 first = first.firstChild;\r
 450 \r
 451                                                                         if( !first.nextSibling\r
 452                                                                                 && ( 'BR' == first.tagName )\r
 453                                                                                 && first.hasAttribute( '_moz_editor_bogus_node' ) )\r
 454                                                                         {\r
 455                                                                                 var keyEventSimulate = domDocument.$.createEvent( "KeyEvents" );\r
 456                                                                                 keyEventSimulate.initKeyEvent( 'keypress', true, true, domWindow.$, false,\r
 457                                                                                         false, false, false, 0, 32 );\r
 458                                                                                 domDocument.$.dispatchEvent( keyEventSimulate );\r
 459                                                                                 var bogusText = domDocument.getBody().getFirst() ;\r
 460                                                                                 // Compensate the line maintaining <br> if enterMode is not block.\r
 461                                                                                 if ( editor.config.enterMode == CKEDITOR.ENTER_BR )\r
 462                                                                                         domDocument.createElement( 'br', { attributes: { '_moz_dirty' : "" } } )\r
 463                                                                                                 .replace( bogusText );\r
 464                                                                                 else\r
 465                                                                                         bogusText.remove();\r
 466                                                                         }\r
 467                                                                 }\r
 468 \r
 469                                                                 editor.focusManager.focus();\r
 470                                                         });\r
 471 \r
 472                                                 var keystrokeHandler = editor.keystrokeHandler;\r
 473                                                 if ( keystrokeHandler )\r
 474                                                         keystrokeHandler.attach( domDocument );\r
 475 \r
 476                                                 if ( CKEDITOR.env.ie )\r
 477                                                 {\r
 478                                                         // Cancel default action for backspace in IE on control types. (#4047)\r
 479                                                         domDocument.on( 'keydown', function( evt )\r
 480                                                         {\r
 481                                                                 // Backspace.\r
 482                                                                 var control = evt.data.getKeystroke() == 8\r
 483                                                                                           && editor.getSelection().getSelectedElement();\r
 484                                                                 if ( control )\r
 485                                                                 {\r
 486                                                                         // Make undo snapshot.\r
 487                                                                         editor.fire( 'saveSnapshot' );\r
 488                                                                         // Remove manually.\r
 489                                                                         control.remove();\r
 490                                                                         editor.fire( 'saveSnapshot' );\r
 491                                                                         evt.cancel();\r
 492                                                                 }\r
 493                                                         } );\r
 494 \r
 495                                                         // PageUp/PageDown scrolling is broken in document\r
 496                                                         // with standard doctype, manually fix it. (#4736)\r
 497                                                         if( domDocument.$.compatMode == 'CSS1Compat' )\r
 498                                                         {\r
 499                                                                 var pageUpDownKeys = { 33 : 1, 34 : 1 };\r
 500                                                                 domDocument.on( 'keydown', function( evt )\r
 501                                                                 {\r
 502                                                                         if( evt.data.getKeystroke() in pageUpDownKeys )\r
 503                                                                         {\r
 504                                                                                 setTimeout( function ()\r
 505                                                                                 {\r
 506                                                                                         editor.getSelection().scrollIntoView();\r
 507                                                                                 }, 0 );\r
 508                                                                         }\r
 509                                                                 } );\r
 510                                                         }\r
 511                                                 }\r
 512 \r
 513                                                 // Adds the document body as a context menu target.\r
 514                                                 if ( editor.contextMenu )\r
 515                                                         editor.contextMenu.addTarget( domDocument, editor.config.browserContextMenuOnCtrl !== false );\r
 516 \r
 517                                                 setTimeout( function()\r
 518                                                         {\r
 519                                                                 editor.fire( 'contentDom' );\r
 520 \r
 521                                                                 if ( fireMode )\r
 522                                                                 {\r
 523                                                                         editor.mode = 'wysiwyg';\r
 524                                                                         editor.fire( 'mode' );\r
 525                                                                         fireMode = false;\r
 526                                                                 }\r
 527 \r
 528                                                                 isLoadingData = false;\r
 529 \r
 530                                                                 if ( isPendingFocus )\r
 531                                                                 {\r
 532                                                                         editor.focus();\r
 533                                                                         isPendingFocus = false;\r
 534                                                                 }\r
 535                                                                 setTimeout( function()\r
 536                                                                 {\r
 537                                                                         editor.fire( 'dataReady' );\r
 538                                                                 }, 0 );\r
 539 \r
 540                                                                 /*\r
 541                                                                  * IE BUG: IE might have rendered the iframe with invisible contents.\r
 542                                                                  * (#3623). Push some inconsequential CSS style changes to force IE to\r
 543                                                                  * refresh it.\r
 544                                                                  *\r
 545                                                                  * Also, for some unknown reasons, short timeouts (e.g. 100ms) do not\r
 546                                                                  * fix the problem. :(\r
 547                                                                  */\r
 548                                                                 if ( CKEDITOR.env.ie )\r
 549                                                                 {\r
 550                                                                         setTimeout( function()\r
 551                                                                                 {\r
 552                                                                                         if ( editor.document )\r
 553                                                                                         {\r
 554                                                                                                 var $body = editor.document.$.body;\r
 555                                                                                                 $body.runtimeStyle.marginBottom = '0px';\r
 556                                                                                                 $body.runtimeStyle.marginBottom = '';\r
 557                                                                                         }\r
 558                                                                                 }, 1000 );\r
 559                                                                 }\r
 560                                                         },\r
 561                                                         0 );\r
 562                                         };\r
 563 \r
 564                                         editor.addMode( 'wysiwyg',\r
 565                                                 {\r
 566                                                         load : function( holderElement, data, isSnapshot )\r
 567                                                         {\r
 568                                                                 mainElement = holderElement;\r
 569 \r
 570                                                                 if ( CKEDITOR.env.ie && CKEDITOR.env.quirks )\r
 571                                                                         holderElement.setStyle( 'position', 'relative' );\r
 572 \r
 573                                                                 // The editor data "may be dirty" after this\r
 574                                                                 // point.\r
 575                                                                 editor.mayBeDirty = true;\r
 576 \r
 577                                                                 fireMode = true;\r
 578 \r
 579                                                                 if ( isSnapshot )\r
 580                                                                         this.loadSnapshotData( data );\r
 581                                                                 else\r
 582                                                                         this.loadData( data );\r
 583                                                         },\r
 584 \r
 585                                                         loadData : function( data )\r
 586                                                         {\r
 587                                                                 isLoadingData = true;\r
 588 \r
 589                                                                 var config = editor.config,\r
 590                                                                         fullPage = config.fullPage,\r
 591                                                                         docType = config.docType;\r
 592 \r
 593                                                                 // Build the additional stuff to be included into <head>.\r
 594                                                                 var headExtra =\r
 595                                                                         '<style type="text/css" cke_temp="1">' +\r
 596                                                                                 editor._.styles.join( '\n' ) +\r
 597                                                                         '</style>';\r
 598 \r
 599                                                                 !fullPage && ( headExtra =\r
 600                                                                         CKEDITOR.tools.buildStyleHtml( editor.config.contentsCss ) +\r
 601                                                                         headExtra );\r
 602 \r
 603                                                                 var baseTag = config.baseHref ? '<base href="' + config.baseHref + '" cke_temp="1" />' : '';\r
 604 \r
 605                                                                 if ( fullPage )\r
 606                                                                 {\r
 607                                                                         // Search and sweep out the doctype declaration.\r
 608                                                                         data = data.replace( /<!DOCTYPE[^>]*>/i, function( match )\r
 609                                                                                 {\r
 610                                                                                         editor.docType = docType = match;\r
 611                                                                                         return '';\r
 612                                                                                 });\r
 613                                                                 }\r
 614 \r
 615                                                                 // Get the HTML version of the data.\r
 616                                                                 if ( editor.dataProcessor )\r
 617                                                                         data = editor.dataProcessor.toHtml( data, fixForBody );\r
 618 \r
 619                                                                 if ( fullPage )\r
 620                                                                 {\r
 621                                                                         // Check if the <body> tag is available.\r
 622                                                                         if ( !(/<body[\s|>]/).test( data ) )\r
 623                                                                                 data = '<body>' + data;\r
 624 \r
 625                                                                         // Check if the <html> tag is available.\r
 626                                                                         if ( !(/<html[\s|>]/).test( data ) )\r
 627                                                                                 data = '<html>' + data + '</html>';\r
 628 \r
 629                                                                         // Check if the <head> tag is available.\r
 630                                                                         if ( !(/<head[\s|>]/).test( data ) )\r
 631                                                                                 data = data.replace( /<html[^>]*>/, '$&<head><title></title></head>' ) ;\r
 632 \r
 633                                                                         // The base must be the first tag in the HEAD, e.g. to get relative\r
 634                                                                         // links on styles.\r
 635                                                                         baseTag && ( data = data.replace( /<head>/, '$&' + baseTag ) );\r
 636 \r
 637                                                                         // Inject the extra stuff into <head>.\r
 638                                                                         // Attention: do not change it before testing it well. (V2)\r
 639                                                                         // This is tricky... if the head ends with <meta ... content type>,\r
 640                                                                         // Firefox will break. But, it works if we place our extra stuff as\r
 641                                                                         // the last elements in the HEAD.\r
 642                                                                         data = data.replace( /<\/head\s*>/, headExtra + '$&' );\r
 643 \r
 644                                                                         // Add the DOCTYPE back to it.\r
 645                                                                         data = docType + data;\r
 646                                                                 }\r
 647                                                                 else\r
 648                                                                 {\r
 649                                                                         data =\r
 650                                                                                 config.docType +\r
 651                                                                                 '<html dir="' + config.contentsLangDirection + '">' +\r
 652                                                                                 '<head>' +\r
 653                                                                                         baseTag +\r
 654                                                                                         headExtra +\r
 655                                                                                 '</head>' +\r
 656                                                                                 '<body' + ( config.bodyId ? ' id="' + config.bodyId + '"' : '' ) +\r
 657                                                                                                   ( config.bodyClass ? ' class="' + config.bodyClass + '"' : '' ) +\r
 658                                                                                                   '>' +\r
 659                                                                                         data +\r
 660                                                                                 '</html>';\r
 661                                                                 }\r
 662 \r
 663                                                                 data += activationScript;\r
 664 \r
 665                                                                 CKEDITOR._[ 'contentDomReady' + editor.name ] = contentDomReady;\r
 666                                                                 createIFrame( data );\r
 667                                                         },\r
 668 \r
 669                                                         getData : function()\r
 670                                                         {\r
 671                                                                 var config = editor.config,\r
 672                                                                         fullPage = config.fullPage,\r
 673                                                                         docType = fullPage && editor.docType,\r
 674                                                                         doc = iframe.getFrameDocument();\r
 675 \r
 676                                                                 var data = fullPage\r
 677                                                                         ? doc.getDocumentElement().getOuterHtml()\r
 678                                                                         : doc.getBody().getHtml();\r
 679 \r
 680                                                                 if ( editor.dataProcessor )\r
 681                                                                         data = editor.dataProcessor.toDataFormat( data, fixForBody );\r
 682 \r
 683                                                                 // Strip the last blank paragraph within document.\r
 684                                                                 if ( config.ignoreEmptyParagraph )\r
 685                                                                         data = data.replace( emptyParagraphRegexp, '' );\r
 686 \r
 687                                                                 if ( docType )\r
 688                                                                         data = docType + '\n' + data;\r
 689 \r
 690                                                                 return data;\r
 691                                                         },\r
 692 \r
 693                                                         getSnapshotData : function()\r
 694                                                         {\r
 695                                                                 return iframe.getFrameDocument().getBody().getHtml();\r
 696                                                         },\r
 697 \r
 698                                                         loadSnapshotData : function( data )\r
 699                                                         {\r
 700                                                                 iframe.getFrameDocument().getBody().setHtml( data );\r
 701                                                         },\r
 702 \r
 703                                                         unload : function( holderElement )\r
 704                                                         {\r
 705                                                                 editor.window = editor.document = iframe = mainElement = isPendingFocus = null;\r
 706 \r
 707                                                                 editor.fire( 'contentDomUnload' );\r
 708                                                         },\r
 709 \r
 710                                                         focus : function()\r
 711                                                         {\r
 712                                                                 if ( isLoadingData )\r
 713                                                                         isPendingFocus = true;\r
 714                                                                 else if ( editor.window )\r
 715                                                                 {\r
 716                                                                         editor.window.focus();\r
 717 \r
 718                                                                         // Force the selection to happen, in this way\r
 719                                                                         // we guarantee the focus will be there. (#4848)\r
 720                                                                         if ( CKEDITOR.env.ie )\r
 721                                                                         {\r
 722                                                                                 try\r
 723                                                                                 {\r
 724                                                                                         var sel = editor.getSelection();\r
 725                                                                                         sel = sel && sel.getNative();\r
 726                                                                                         var range = sel && sel.type && sel.createRange();\r
 727                                                                                         if ( range )\r
 728                                                                                         {\r
 729                                                                                                         sel.empty();\r
 730                                                                                                         range.select();\r
 731                                                                                         }\r
 732                                                                                 }\r
 733                                                                                 catch (e) {}\r
 734                                                                         }\r
 735 \r
 736                                                                         editor.selectionChange();\r
 737                                                                 }\r
 738                                                         }\r
 739                                                 });\r
 740 \r
 741                                         editor.on( 'insertHtml', onInsertHtml, null, null, 20 );\r
 742                                         editor.on( 'insertElement', onInsertElement, null, null, 20 );\r
 743                                         // Auto fixing on some document structure weakness to enhance usabilities. (#3190 and #3189)\r
 744                                         editor.on( 'selectionChange', onSelectionChangeFixBody, null, null, 1 );\r
 745                                 });\r
 746 \r
 747                         // Create an invisible element to grab focus.\r
 748                         if( CKEDITOR.env.ie )\r
 749                         {\r
 750                                 var ieFocusGrabber;\r
 751                                 editor.on( 'uiReady', function()\r
 752                                 {\r
 753                                         ieFocusGrabber = editor.container.append( CKEDITOR.dom.element.createFromHtml(\r
 754                                         '<input tabindex="-1" style="position:absolute; left:-10000">' ) );\r
 755 \r
 756                                         ieFocusGrabber.on( 'focus', function()\r
 757                                                 {\r
 758                                                         editor.focus();\r
 759                                                 } );\r
 760                                 } );\r
 761                         }\r
 762                 }\r
 763         });\r
 764 \r
 765         // Fixing Firefox 'Back-Forward Cache' break design mode. (#4514)\r
 766         if( CKEDITOR.env.gecko )\r
 767         {\r
 768                 var topWin = window.top;\r
 769 \r
 770                 ( function ()\r
 771                 {\r
 772                         var topBody = topWin.document.body;\r
 773 \r
 774                         if( !topBody )\r
 775                                 topWin.addEventListener( 'load', arguments.callee, false );\r
 776                         else\r
 777                         {\r
 778                                 topBody.setAttribute( 'onpageshow', topBody.getAttribute( 'onpageshow' )\r
 779                                                 + ';event.persisted && CKEDITOR.tools.callFunction(' +\r
 780                                                 CKEDITOR.tools.addFunction( function()\r
 781                                                 {\r
 782                                                         var allInstances = CKEDITOR.instances,\r
 783                                                                 editor,\r
 784                                                                 doc;\r
 785                                                         for( var i in allInstances )\r
 786                                                         {\r
 787                                                                 editor = allInstances[ i ];\r
 788                                                                 doc = editor.document;\r
 789                                                                 if( doc )\r
 790                                                                 {\r
 791                                                                         doc.$.designMode = 'off';\r
 792                                                                         doc.$.designMode = 'on';\r
 793                                                                 }\r
 794                                                         }\r
 795                                                 } ) + ')' );\r
 796                         }\r
 797                 } )();\r
 798 \r
 799         }\r
 800 })();\r
 801 \r
 802 /**\r
 803  * Disables the ability of resize objects (image and tables) in the editing\r
 804  * area.\r
 805  * @type Boolean\r
 806  * @default false\r
 807  * @example\r
 808  * config.disableObjectResizing = true;\r
 809  */\r
 810 CKEDITOR.config.disableObjectResizing = false;\r
 811 \r
 812 /**\r
 813  * Disables the "table tools" offered natively by the browser (currently\r
 814  * Firefox only) to make quick table editing operations, like adding or\r
 815  * deleting rows and columns.\r
 816  * @type Boolean\r
 817  * @default true\r
 818  * @example\r
 819  * config.disableNativeTableHandles = false;\r
 820  */\r
 821 CKEDITOR.config.disableNativeTableHandles = true;\r
 822 \r
 823 /**\r
 824  * Disables the built-in spell checker while typing natively available in the\r
 825  * browser (currently Firefox and Safari only).<br /><br />\r
 826  *\r
 827  * Even if word suggestions will not appear in the CKEditor context menu, this\r
 828  * feature is useful to help quickly identifying misspelled words.<br /><br />\r
 829  *\r
 830  * This setting is currently compatible with Firefox only due to limitations in\r
 831  * other browsers.\r
 832  * @type Boolean\r
 833  * @default true\r
 834  * @example\r
 835  * config.disableNativeSpellChecker = false;\r
 836  */\r
 837 CKEDITOR.config.disableNativeSpellChecker = true;\r
 838 \r
 839 /**\r
 840  * Whether the editor must output an empty value ("") if it's contents is made\r
 841  * by an empty paragraph only.\r
 842  * @type Boolean\r
 843  * @default true\r
 844  * @example\r
 845  * config.ignoreEmptyParagraph = false;\r
 846  */\r
 847 CKEDITOR.config.ignoreEmptyParagraph = true;\r