_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         function restoreSelection( selection )\r
 165         {\r
 166                 if ( selection.isLocked )\r
 167                 {\r
 168                         selection.unlock();\r
 169                         setTimeout( function() { selection.lock(); }, 0 );\r
 170                 }\r
 171         }\r
 172 \r
 173         function isBlankParagraph( block )\r
 174         {\r
 175                 return block.getOuterHtml().match( emptyParagraphRegexp );\r
 176         }\r
 177 \r
 178         isNotWhitespace = CKEDITOR.dom.walker.whitespaces( true );\r
 179 \r
 180         /**\r
 181          *  Auto-fixing block-less content by wrapping paragraph (#3190), prevent\r
 182          *  non-exitable-block by padding extra br.(#3189)\r
 183          */\r
 184         function onSelectionChangeFixBody( evt )\r
 185         {\r
 186                 var editor = evt.editor,\r
 187                         path = evt.data.path,\r
 188                         blockLimit = path.blockLimit,\r
 189                         selection = evt.data.selection,\r
 190                         range = selection.getRanges()[0],\r
 191                         body = editor.document.getBody(),\r
 192                         enterMode = editor.config.enterMode;\r
 193 \r
 194                 // When enterMode set to block, we'll establing new paragraph only if we're\r
 195                 // selecting inline contents right under body. (#3657)\r
 196                 if ( enterMode != CKEDITOR.ENTER_BR\r
 197                      && range.collapsed\r
 198                          && blockLimit.getName() == 'body'\r
 199                          && !path.block )\r
 200                 {\r
 201                         editor.fire( 'updateSnapshot' );\r
 202                         restoreDirty( editor );\r
 203                         CKEDITOR.env.ie && restoreSelection( selection );\r
 204 \r
 205                         var fixedBlock = range.fixBlock( true,\r
 206                                         editor.config.enterMode == CKEDITOR.ENTER_DIV ? 'div' : 'p'  );\r
 207 \r
 208                         // For IE, we should remove any filler node which was introduced before.\r
 209                         if ( CKEDITOR.env.ie )\r
 210                         {\r
 211                                 var first = fixedBlock.getFirst( isNotEmpty );\r
 212                                 first && isNbsp( first ) && first.remove();\r
 213                         }\r
 214 \r
 215                         // If the fixed block is actually blank and is already followed by an exitable blank\r
 216                         // block, we should revert the fix and move into the existed one. (#3684)\r
 217                         if ( isBlankParagraph( fixedBlock ) )\r
 218                         {\r
 219                                 var previousElement = fixedBlock.getPrevious( isNotWhitespace ),\r
 220                                         nextElement = fixedBlock.getNext( isNotWhitespace );\r
 221 \r
 222                                 if ( previousElement && previousElement.getName\r
 223                                          && !( previousElement.getName() in nonExitableElementNames )\r
 224                                          && isBlankParagraph( previousElement )\r
 225                                          && range.moveToElementEditStart( previousElement )\r
 226                                          || nextElement && nextElement.getName\r
 227                                                 && !( nextElement.getName() in nonExitableElementNames )\r
 228                                                 && isBlankParagraph( nextElement )\r
 229                                                 && range.moveToElementEditStart( nextElement ) )\r
 230                                 {\r
 231                                         fixedBlock.remove();\r
 232                                 }\r
 233                         }\r
 234 \r
 235                         range.select();\r
 236                         // Notify non-IE that selection has changed.\r
 237                         if ( !CKEDITOR.env.ie )\r
 238                                 editor.selectionChange();\r
 239                 }\r
 240 \r
 241                 // All browsers are incapable to moving cursor out of certain non-exitable\r
 242                 // blocks (e.g. table, list, pre) at the end of document, make this happen by\r
 243                 // place a bogus node there, which would be later removed by dataprocessor.\r
 244                 var walkerRange = new CKEDITOR.dom.range( editor.document ),\r
 245                         walker = new CKEDITOR.dom.walker( walkerRange );\r
 246                 walkerRange.selectNodeContents( body );\r
 247                 walker.evaluator = function( node )\r
 248                 {\r
 249                         return node.type == CKEDITOR.NODE_ELEMENT && ( node.getName() in nonExitableElementNames );\r
 250                 };\r
 251                 walker.guard = function( node, isMoveout )\r
 252                 {\r
 253                         return !( ( node.type == CKEDITOR.NODE_TEXT && isNotWhitespace( node ) ) || isMoveout );\r
 254                 };\r
 255 \r
 256                 if ( walker.previous() )\r
 257                 {\r
 258                         editor.fire( 'updateSnapshot' );\r
 259                         restoreDirty( editor );\r
 260                         CKEDITOR.env.ie && restoreSelection( selection );\r
 261 \r
 262                         var paddingBlock;\r
 263                         if ( enterMode != CKEDITOR.ENTER_BR )\r
 264                                 paddingBlock = body.append( new CKEDITOR.dom.element( enterMode == CKEDITOR.ENTER_P ? 'p' : 'div' ) );\r
 265                         else\r
 266                                 paddingBlock = body;\r
 267 \r
 268                         if ( !CKEDITOR.env.ie )\r
 269                                 paddingBlock.appendBogus();\r
 270                 }\r
 271         }\r
 272 \r
 273         CKEDITOR.plugins.add( 'wysiwygarea',\r
 274         {\r
 275                 requires : [ 'editingblock' ],\r
 276 \r
 277                 init : function( editor )\r
 278                 {\r
 279                         var fixForBody = ( editor.config.enterMode != CKEDITOR.ENTER_BR )\r
 280                                 ? editor.config.enterMode == CKEDITOR.ENTER_DIV ? 'div' : 'p' : false;\r
 281 \r
 282                         var frameLabel = editor.lang.editorTitle.replace( '%1', editor.name );\r
 283 \r
 284                         var contentDomReadyHandler;\r
 285                         editor.on( 'editingBlockReady', function()\r
 286                                 {\r
 287                                         var mainElement,\r
 288                                                 iframe,\r
 289                                                 isLoadingData,\r
 290                                                 isPendingFocus,\r
 291                                                 frameLoaded,\r
 292                                                 fireMode;\r
 293 \r
 294 \r
 295                                         // Support for custom document.domain in IE.\r
 296                                         var isCustomDomain = CKEDITOR.env.isCustomDomain();\r
 297 \r
 298                                         // Creates the iframe that holds the editable document.\r
 299                                         var createIFrame = function( data )\r
 300                                         {\r
 301                                                 if ( iframe )\r
 302                                                         iframe.remove();\r
 303 \r
 304 \r
 305                                                 var srcScript =\r
 306                                                         'document.open();' +\r
 307 \r
 308                                                         // The document domain must be set any time we\r
 309                                                         // call document.open().\r
 310                                                         ( isCustomDomain ? ( 'document.domain="' + document.domain + '";' ) : '' ) +\r
 311 \r
 312                                                         'document.close();';\r
 313 \r
 314                                                 iframe = CKEDITOR.dom.element.createFromHtml( '<iframe' +\r
 315                                                         ' style="width:100%;height:100%"' +\r
 316                                                         ' frameBorder="0"' +\r
 317                                                         ' title="' + frameLabel + '"' +\r
 318                                                         // With IE, the custom domain has to be taken care at first,\r
 319                                                         // for other browers, the 'src' attribute should be left empty to\r
 320                                                         // trigger iframe's 'load' event.\r
 321                                                         ' src="' + ( CKEDITOR.env.ie ? 'javascript:void(function(){' + encodeURIComponent( srcScript ) + '}())' : '' ) + '"' +\r
 322                                                         ' tabIndex="' + ( CKEDITOR.env.webkit? -1 : editor.tabIndex ) + '"' +\r
 323                                                         ' allowTransparency="true"' +\r
 324                                                         '></iframe>' );\r
 325 \r
 326                                                 // With FF, it's better to load the data on iframe.load. (#3894,#4058)\r
 327                                                 iframe.on( 'load', function( ev )\r
 328                                                         {\r
 329                                                                 frameLoaded = 1;\r
 330                                                                 ev.removeListener();\r
 331 \r
 332                                                                 var doc = iframe.getFrameDocument().$;\r
 333 \r
 334                                                                 // Don't leave any history log in IE. (#5657)\r
 335                                                                 doc.open( "text/html","replace" );\r
 336                                                                 doc.write( data );\r
 337                                                                 doc.close();\r
 338                                                         });\r
 339 \r
 340                                                 mainElement.append( iframe );\r
 341                                         };\r
 342 \r
 343                                         // The script that launches the bootstrap logic on 'domReady', so the document\r
 344                                         // is fully editable even before the editing iframe is fully loaded (#4455).\r
 345                                         contentDomReadyHandler = CKEDITOR.tools.addFunction( contentDomReady );\r
 346                                         var activationScript =\r
 347                                                 '<script id="cke_actscrpt" type="text/javascript" cke_temp="1">' +\r
 348                                                         ( isCustomDomain ? ( 'document.domain="' + document.domain + '";' ) : '' ) +\r
 349                                                         'window.parent.CKEDITOR.tools.callFunction( ' + contentDomReadyHandler + ', window );' +\r
 350                                                 '</script>';\r
 351 \r
 352                                         // Editing area bootstrap code.\r
 353                                         function contentDomReady( domWindow )\r
 354                                         {\r
 355                                                 if ( !frameLoaded )\r
 356                                                         return;\r
 357                                                 frameLoaded = 0;\r
 358 \r
 359                                                 editor.fire( 'ariaWidget', iframe );\r
 360 \r
 361                                                 var domDocument = domWindow.document,\r
 362                                                         body = domDocument.body;\r
 363 \r
 364                                                 // Remove this script from the DOM.\r
 365                                                 var script = domDocument.getElementById( "cke_actscrpt" );\r
 366                                                 script.parentNode.removeChild( script );\r
 367 \r
 368                                                 body.spellcheck = !editor.config.disableNativeSpellChecker;\r
 369 \r
 370                                                 if ( CKEDITOR.env.ie )\r
 371                                                 {\r
 372                                                         // Don't display the focus border.\r
 373                                                         body.hideFocus = true;\r
 374 \r
 375                                                         // Disable and re-enable the body to avoid IE from\r
 376                                                         // taking the editing focus at startup. (#141 / #523)\r
 377                                                         body.disabled = true;\r
 378                                                         body.contentEditable = true;\r
 379                                                         body.removeAttribute( 'disabled' );\r
 380                                                 }\r
 381                                                 else\r
 382                                                 {\r
 383                                                         // Avoid opening design mode in a frame window thread,\r
 384                                                         // which will cause host page scrolling.(#4397)\r
 385                                                         setTimeout( function()\r
 386                                                         {\r
 387                                                                 // Prefer 'contentEditable' instead of 'designMode'. (#3593)\r
 388                                                                 if ( CKEDITOR.env.gecko && CKEDITOR.env.version >= 10900\r
 389                                                                                 || CKEDITOR.env.opera )\r
 390                                                                         domDocument.$.body.contentEditable = true;\r
 391                                                                 else if ( CKEDITOR.env.webkit )\r
 392                                                                         domDocument.$.body.parentNode.contentEditable = true;\r
 393                                                                 else\r
 394                                                                         domDocument.$.designMode = 'on';\r
 395                                                         }, 0 );\r
 396                                                 }\r
 397 \r
 398                                                 // Gecko need a key event to 'wake up' the editing\r
 399                                                 // ability when document is empty.(#3864)\r
 400                                                 if ( CKEDITOR.env.gecko && !body.childNodes.length )\r
 401                                                 {\r
 402                                                         setTimeout( function()\r
 403                                                         {\r
 404                                                                 restoreDirty( editor );\r
 405 \r
 406                                                                 // Simulating keyboard character input by dispatching a keydown of white-space text.\r
 407                                                                 var keyEventSimulate = domDocument.$.createEvent( "KeyEvents" );\r
 408                                                                 keyEventSimulate.initKeyEvent( 'keypress', true, true, domWindow.$, false,\r
 409                                                                         false, false, false, 0, 32 );\r
 410                                                                 domDocument.$.dispatchEvent( keyEventSimulate );\r
 411 \r
 412                                                                 // Restore the original document status by placing the cursor before a bogus br created (#5021).\r
 413                                                                 domDocument.createElement( 'br', { attributes: { '_moz_editor_bogus_node' : 'TRUE', '_moz_dirty' : "" } } )\r
 414                                                                         .replace( domDocument.getBody().getFirst() );\r
 415                                                                 var nativeRange = new CKEDITOR.dom.range( domDocument );\r
 416                                                                 nativeRange.setStartAt( new CKEDITOR.dom.element( body ) , CKEDITOR.POSITION_AFTER_START );\r
 417                                                                 nativeRange.select();\r
 418                                                         }, 0 );\r
 419                                                 }\r
 420 \r
 421                                                 // IE, Opera and Safari may not support it and throw\r
 422                                                 // errors.\r
 423                                                 try { domDocument.execCommand( 'enableObjectResizing', false, !editor.config.disableObjectResizing ) ; } catch(e) {}\r
 424                                                 try { domDocument.execCommand( 'enableInlineTableEditing', false, !editor.config.disableNativeTableHandles ) ; } catch(e) {}\r
 425 \r
 426                                                 domWindow       = editor.window         = new CKEDITOR.dom.window( domWindow );\r
 427                                                 domDocument     = editor.document       = new CKEDITOR.dom.document( domDocument );\r
 428 \r
 429                                                 domDocument.on( 'dblclick', function( evt )\r
 430                                                 {\r
 431                                                         var element = evt.data.getTarget(),\r
 432                                                                 data = { element : element, dialog : '' };\r
 433                                                         editor.fire( 'doubleclick', data );\r
 434                                                         data.dialog && editor.openDialog( data.dialog );\r
 435                                                 });\r
 436 \r
 437                                                 // Gecko/Webkit need some help when selecting control type elements. (#3448)\r
 438                                                 if ( !( CKEDITOR.env.ie || CKEDITOR.env.opera) )\r
 439                                                 {\r
 440                                                         domDocument.on( 'mousedown', function( ev )\r
 441                                                         {\r
 442                                                                 var control = ev.data.getTarget();\r
 443                                                                 if ( control.is( 'img', 'hr', 'input', 'textarea', 'select' ) )\r
 444                                                                         editor.getSelection().selectElement( control );\r
 445                                                         } );\r
 446                                                 }\r
 447 \r
 448                                                 // Webkit: avoid from editing form control elements content.\r
 449                                                 if ( CKEDITOR.env.webkit )\r
 450                                                 {\r
 451                                                         // Prevent from tick checkbox/radiobox/select\r
 452                                                         domDocument.on( 'click', function( ev )\r
 453                                                         {\r
 454                                                                 if ( ev.data.getTarget().is( 'input', 'select' ) )\r
 455                                                                         ev.data.preventDefault();\r
 456                                                         } );\r
 457 \r
 458                                                         // Prevent from editig textfield/textarea value.\r
 459                                                         domDocument.on( 'mouseup', function( ev )\r
 460                                                         {\r
 461                                                                 if ( ev.data.getTarget().is( 'input', 'textarea' ) )\r
 462                                                                         ev.data.preventDefault();\r
 463                                                         } );\r
 464                                                 }\r
 465 \r
 466                                                 // IE standard compliant in editing frame doesn't focus the editor when\r
 467                                                 // clicking outside actual content, manually apply the focus. (#1659)\r
 468                                                 if ( CKEDITOR.env.ie\r
 469                                                         && domDocument.$.compatMode == 'CSS1Compat'\r
 470                                                                 || CKEDITOR.env.gecko\r
 471                                                                 || CKEDITOR.env.opera )\r
 472                                                 {\r
 473                                                         var htmlElement = domDocument.getDocumentElement();\r
 474                                                         htmlElement.on( 'mousedown', function( evt )\r
 475                                                         {\r
 476                                                                 // Setting focus directly on editor doesn't work, we\r
 477                                                                 // have to use here a temporary element to 'redirect'\r
 478                                                                 // the focus.\r
 479                                                                 if ( evt.data.getTarget().equals( htmlElement ) )\r
 480                                                                 {\r
 481                                                                         if ( CKEDITOR.env.gecko && CKEDITOR.env.version >= 10900 )\r
 482                                                                                 blinkCursor();\r
 483                                                                         focusGrabber.focus();\r
 484                                                                 }\r
 485                                                         } );\r
 486                                                 }\r
 487 \r
 488                                                 domWindow.on( 'blur', function()\r
 489                                                         {\r
 490                                                                 editor.focusManager.blur();\r
 491                                                         });\r
 492 \r
 493                                                 domWindow.on( 'focus', function()\r
 494                                                         {\r
 495                                                                 var doc = editor.document;\r
 496 \r
 497                                                                 if ( CKEDITOR.env.gecko && CKEDITOR.env.version >= 10900 )\r
 498                                                                         blinkCursor();\r
 499                                                                 else if ( CKEDITOR.env.opera )\r
 500                                                                         doc.getBody().focus();\r
 501                                                                 else if ( CKEDITOR.env.webkit )\r
 502                                                                 {\r
 503                                                                         // Selection will get lost after move focus\r
 504                                                                         // to document element, save it first.\r
 505                                                                         var sel = editor.getSelection(),\r
 506                                                                                         type = sel.getType(),\r
 507                                                                                         range = ( type != CKEDITOR.SELECTION_NONE ) && sel.getRanges()[ 0 ];\r
 508 \r
 509                                                                         doc.getDocumentElement().focus();\r
 510                                                                         range && range.select();\r
 511                                                                 }\r
 512 \r
 513                                                                 editor.focusManager.focus();\r
 514                                                         });\r
 515 \r
 516                                                 var keystrokeHandler = editor.keystrokeHandler;\r
 517                                                 if ( keystrokeHandler )\r
 518                                                         keystrokeHandler.attach( domDocument );\r
 519 \r
 520                                                 if ( CKEDITOR.env.ie )\r
 521                                                 {\r
 522                                                         domDocument.getDocumentElement().addClass( domDocument.$.compatMode );\r
 523                                                         // Override keystrokes which should have deletion behavior\r
 524                                                         //  on control types in IE . (#4047)\r
 525                                                         domDocument.on( 'keydown', function( evt )\r
 526                                                         {\r
 527                                                                 var keyCode = evt.data.getKeystroke();\r
 528 \r
 529                                                                 // Backspace OR Delete.\r
 530                                                                 if ( keyCode in { 8 : 1, 46 : 1 } )\r
 531                                                                 {\r
 532                                                                         var sel = editor.getSelection(),\r
 533                                                                                 control = sel.getSelectedElement();\r
 534 \r
 535                                                                         if ( control )\r
 536                                                                         {\r
 537                                                                                 // Make undo snapshot.\r
 538                                                                                 editor.fire( 'saveSnapshot' );\r
 539 \r
 540                                                                                 // Delete any element that 'hasLayout' (e.g. hr,table) in IE8 will\r
 541                                                                                 // break up the selection, safely manage it here. (#4795)\r
 542                                                                                 var bookmark = sel.getRanges()[ 0 ].createBookmark();\r
 543                                                                                 // Remove the control manually.\r
 544                                                                                 control.remove();\r
 545                                                                                 sel.selectBookmarks( [ bookmark ] );\r
 546 \r
 547                                                                                 editor.fire( 'saveSnapshot' );\r
 548 \r
 549                                                                                 evt.data.preventDefault();\r
 550                                                                         }\r
 551                                                                 }\r
 552                                                         } );\r
 553 \r
 554                                                         // PageUp/PageDown scrolling is broken in document\r
 555                                                         // with standard doctype, manually fix it. (#4736)\r
 556                                                         if ( domDocument.$.compatMode == 'CSS1Compat' )\r
 557                                                         {\r
 558                                                                 var pageUpDownKeys = { 33 : 1, 34 : 1 };\r
 559                                                                 domDocument.on( 'keydown', function( evt )\r
 560                                                                 {\r
 561                                                                         if ( evt.data.getKeystroke() in pageUpDownKeys )\r
 562                                                                         {\r
 563                                                                                 setTimeout( function ()\r
 564                                                                                 {\r
 565                                                                                         editor.getSelection().scrollIntoView();\r
 566                                                                                 }, 0 );\r
 567                                                                         }\r
 568                                                                 } );\r
 569                                                         }\r
 570                                                 }\r
 571 \r
 572                                                 // Adds the document body as a context menu target.\r
 573                                                 if ( editor.contextMenu )\r
 574                                                         editor.contextMenu.addTarget( domDocument, editor.config.browserContextMenuOnCtrl !== false );\r
 575 \r
 576                                                 setTimeout( function()\r
 577                                                         {\r
 578                                                                 editor.fire( 'contentDom' );\r
 579 \r
 580                                                                 if ( fireMode )\r
 581                                                                 {\r
 582                                                                         editor.mode = 'wysiwyg';\r
 583                                                                         editor.fire( 'mode' );\r
 584                                                                         fireMode = false;\r
 585                                                                 }\r
 586 \r
 587                                                                 isLoadingData = false;\r
 588 \r
 589                                                                 if ( isPendingFocus )\r
 590                                                                 {\r
 591                                                                         editor.focus();\r
 592                                                                         isPendingFocus = false;\r
 593                                                                 }\r
 594                                                                 setTimeout( function()\r
 595                                                                 {\r
 596                                                                         editor.fire( 'dataReady' );\r
 597                                                                 }, 0 );\r
 598 \r
 599                                                                 /*\r
 600                                                                  * IE BUG: IE might have rendered the iframe with invisible contents.\r
 601                                                                  * (#3623). Push some inconsequential CSS style changes to force IE to\r
 602                                                                  * refresh it.\r
 603                                                                  *\r
 604                                                                  * Also, for some unknown reasons, short timeouts (e.g. 100ms) do not\r
 605                                                                  * fix the problem. :(\r
 606                                                                  */\r
 607                                                                 if ( CKEDITOR.env.ie )\r
 608                                                                 {\r
 609                                                                         setTimeout( function()\r
 610                                                                                 {\r
 611                                                                                         if ( editor.document )\r
 612                                                                                         {\r
 613                                                                                                 var $body = editor.document.$.body;\r
 614                                                                                                 $body.runtimeStyle.marginBottom = '0px';\r
 615                                                                                                 $body.runtimeStyle.marginBottom = '';\r
 616                                                                                         }\r
 617                                                                                 }, 1000 );\r
 618                                                                 }\r
 619                                                         },\r
 620                                                         0 );\r
 621                                         }\r
 622 \r
 623                                         editor.addMode( 'wysiwyg',\r
 624                                                 {\r
 625                                                         load : function( holderElement, data, isSnapshot )\r
 626                                                         {\r
 627                                                                 mainElement = holderElement;\r
 628 \r
 629                                                                 if ( CKEDITOR.env.ie && CKEDITOR.env.quirks )\r
 630                                                                         holderElement.setStyle( 'position', 'relative' );\r
 631 \r
 632                                                                 // The editor data "may be dirty" after this\r
 633                                                                 // point.\r
 634                                                                 editor.mayBeDirty = true;\r
 635 \r
 636                                                                 fireMode = true;\r
 637 \r
 638                                                                 if ( isSnapshot )\r
 639                                                                         this.loadSnapshotData( data );\r
 640                                                                 else\r
 641                                                                         this.loadData( data );\r
 642                                                         },\r
 643 \r
 644                                                         loadData : function( data )\r
 645                                                         {\r
 646                                                                 isLoadingData = true;\r
 647 \r
 648                                                                 var config = editor.config,\r
 649                                                                         fullPage = config.fullPage,\r
 650                                                                         docType = config.docType;\r
 651 \r
 652                                                                 // Build the additional stuff to be included into <head>.\r
 653                                                                 var headExtra =\r
 654                                                                         '<style type="text/css" cke_temp="1">' +\r
 655                                                                                 editor._.styles.join( '\n' ) +\r
 656                                                                         '</style>';\r
 657 \r
 658                                                                 !fullPage && ( headExtra =\r
 659                                                                         CKEDITOR.tools.buildStyleHtml( editor.config.contentsCss ) +\r
 660                                                                         headExtra );\r
 661 \r
 662                                                                 var baseTag = config.baseHref ? '<base href="' + config.baseHref + '" cke_temp="1" />' : '';\r
 663 \r
 664                                                                 if ( fullPage )\r
 665                                                                 {\r
 666                                                                         // Search and sweep out the doctype declaration.\r
 667                                                                         data = data.replace( /<!DOCTYPE[^>]*>/i, function( match )\r
 668                                                                                 {\r
 669                                                                                         editor.docType = docType = match;\r
 670                                                                                         return '';\r
 671                                                                                 });\r
 672                                                                 }\r
 673 \r
 674                                                                 // Get the HTML version of the data.\r
 675                                                                 if ( editor.dataProcessor )\r
 676                                                                         data = editor.dataProcessor.toHtml( data, fixForBody );\r
 677 \r
 678                                                                 if ( fullPage )\r
 679                                                                 {\r
 680                                                                         // Check if the <body> tag is available.\r
 681                                                                         if ( !(/<body[\s|>]/).test( data ) )\r
 682                                                                                 data = '<body>' + data;\r
 683 \r
 684                                                                         // Check if the <html> tag is available.\r
 685                                                                         if ( !(/<html[\s|>]/).test( data ) )\r
 686                                                                                 data = '<html>' + data + '</html>';\r
 687 \r
 688                                                                         // Check if the <head> tag is available.\r
 689                                                                         if ( !(/<head[\s|>]/).test( data ) )\r
 690                                                                                 data = data.replace( /<html[^>]*>/, '$&<head><title></title></head>' ) ;\r
 691                                                                         else if ( !(/<title[\s|>]/).test( data ) )\r
 692                                                                                 data = data.replace( /<head[^>]*>/, '$&<title></title>' ) ;\r
 693 \r
 694                                                                         // The base must be the first tag in the HEAD, e.g. to get relative\r
 695                                                                         // links on styles.\r
 696                                                                         baseTag && ( data = data.replace( /<head>/, '$&' + baseTag ) );\r
 697 \r
 698                                                                         // Inject the extra stuff into <head>.\r
 699                                                                         // Attention: do not change it before testing it well. (V2)\r
 700                                                                         // This is tricky... if the head ends with <meta ... content type>,\r
 701                                                                         // Firefox will break. But, it works if we place our extra stuff as\r
 702                                                                         // the last elements in the HEAD.\r
 703                                                                         data = data.replace( /<\/head\s*>/, headExtra + '$&' );\r
 704 \r
 705                                                                         // Add the DOCTYPE back to it.\r
 706                                                                         data = docType + data;\r
 707                                                                 }\r
 708                                                                 else\r
 709                                                                 {\r
 710                                                                         data =\r
 711                                                                                 config.docType +\r
 712                                                                                 '<html dir="' + config.contentsLangDirection + '"' +\r
 713                                                                                         ' lang="' + ( config.contentsLanguage || editor.langCode ) + '">' +\r
 714                                                                                 '<head>' +\r
 715                                                                                         '<title>' + frameLabel + '</title>' +\r
 716                                                                                         baseTag +\r
 717                                                                                         headExtra +\r
 718                                                                                 '</head>' +\r
 719                                                                                 '<body' + ( config.bodyId ? ' id="' + config.bodyId + '"' : '' ) +\r
 720                                                                                                   ( config.bodyClass ? ' class="' + config.bodyClass + '"' : '' ) +\r
 721                                                                                                   '>' +\r
 722                                                                                         data +\r
 723                                                                                 '</html>';\r
 724                                                                 }\r
 725 \r
 726                                                                 data += activationScript;\r
 727 \r
 728 \r
 729                                                                 // The iframe is recreated on each call of setData, so we need to clear DOM objects\r
 730                                                                 this.onDispose();\r
 731                                                                 createIFrame( data );\r
 732                                                         },\r
 733 \r
 734                                                         getData : function()\r
 735                                                         {\r
 736                                                                 var config = editor.config,\r
 737                                                                         fullPage = config.fullPage,\r
 738                                                                         docType = fullPage && editor.docType,\r
 739                                                                         doc = iframe.getFrameDocument();\r
 740 \r
 741                                                                 var data = fullPage\r
 742                                                                         ? doc.getDocumentElement().getOuterHtml()\r
 743                                                                         : doc.getBody().getHtml();\r
 744 \r
 745                                                                 if ( editor.dataProcessor )\r
 746                                                                         data = editor.dataProcessor.toDataFormat( data, fixForBody );\r
 747 \r
 748                                                                 // Strip the last blank paragraph within document.\r
 749                                                                 if ( config.ignoreEmptyParagraph )\r
 750                                                                         data = data.replace( emptyParagraphRegexp, '' );\r
 751 \r
 752                                                                 if ( docType )\r
 753                                                                         data = docType + '\n' + data;\r
 754 \r
 755                                                                 return data;\r
 756                                                         },\r
 757 \r
 758                                                         getSnapshotData : function()\r
 759                                                         {\r
 760                                                                 return iframe.getFrameDocument().getBody().getHtml();\r
 761                                                         },\r
 762 \r
 763                                                         loadSnapshotData : function( data )\r
 764                                                         {\r
 765                                                                 iframe.getFrameDocument().getBody().setHtml( data );\r
 766                                                         },\r
 767 \r
 768                                                         onDispose : function()\r
 769                                                         {\r
 770                                                                 if ( !editor.document )\r
 771                                                                         return;\r
 772 \r
 773                                                                 editor.document.getDocumentElement().clearCustomData();\r
 774                                                                 editor.document.getBody().clearCustomData();\r
 775 \r
 776                                                                 editor.window.clearCustomData();\r
 777                                                                 editor.document.clearCustomData();\r
 778 \r
 779                                                                 iframe.clearCustomData();\r
 780                                                         },\r
 781 \r
 782                                                         unload : function( holderElement )\r
 783                                                         {\r
 784                                                                 this.onDispose();\r
 785 \r
 786                                                                 editor.window = editor.document = iframe = mainElement = isPendingFocus = null;\r
 787 \r
 788                                                                 editor.fire( 'contentDomUnload' );\r
 789                                                         },\r
 790 \r
 791                                                         focus : function()\r
 792                                                         {\r
 793                                                                 if ( isLoadingData )\r
 794                                                                         isPendingFocus = true;\r
 795                                                                 else if ( editor.window )\r
 796                                                                 {\r
 797                                                                         editor.window.focus();\r
 798 \r
 799                                                                         editor.selectionChange();\r
 800                                                                 }\r
 801                                                         }\r
 802                                                 });\r
 803 \r
 804                                         editor.on( 'insertHtml', onInsertHtml, null, null, 20 );\r
 805                                         editor.on( 'insertElement', onInsertElement, null, null, 20 );\r
 806                                         // Auto fixing on some document structure weakness to enhance usabilities. (#3190 and #3189)\r
 807                                         editor.on( 'selectionChange', onSelectionChangeFixBody, null, null, 1 );\r
 808                                 });\r
 809 \r
 810                         var titleBackup;\r
 811                         // Setting voice label as window title, backup the original one\r
 812                         // and restore it before running into use.\r
 813                         editor.on( 'contentDom', function ()\r
 814                                 {\r
 815                                         var title = editor.document.getElementsByTag( 'title' ).getItem( 0 );\r
 816                                         title.setAttribute( '_cke_title', editor.document.$.title );\r
 817                                         editor.document.$.title = frameLabel;\r
 818                                 });\r
 819 \r
 820                         // IE8 stricts mode doesn't have 'contentEditable' in effect\r
 821                         // on element unless it has layout. (#5562)\r
 822                         if ( CKEDITOR.env.ie8Compat )\r
 823                         {\r
 824                                 editor.addCss( 'html.CSS1Compat [contenteditable=false]{ min-height:0 !important;}' );\r
 825 \r
 826                                 var selectors = [];\r
 827                                 for ( var tag in CKEDITOR.dtd.$removeEmpty )\r
 828                                         selectors.push( 'html.CSS1Compat ' + tag + '[contenteditable=false]' );\r
 829                                 editor.addCss( selectors.join( ',' ) + '{ display:inline-block;}' );\r
 830                         }\r
 831 \r
 832                         // Switch on design mode for a short while and close it after then.\r
 833                         function blinkCursor( retry )\r
 834                         {\r
 835                                 CKEDITOR.tools.tryThese(\r
 836                                         function()\r
 837                                         {\r
 838                                                 editor.document.$.designMode = 'on';\r
 839                                                 setTimeout( function ()\r
 840                                                 {\r
 841                                                         editor.document.$.designMode = 'off';\r
 842                                                         editor.document.getBody().focus();\r
 843                                                 }, 50 );\r
 844                                         },\r
 845                                         function()\r
 846                                         {\r
 847                                                 // The above call is known to fail when parent DOM\r
 848                                                 // tree layout changes may break design mode. (#5782)\r
 849                                                 // Refresh the 'contentEditable' is a cue to this.\r
 850                                                 editor.document.$.designMode = 'off';\r
 851                                                 var body = editor.document.getBody();\r
 852                                                 body.setAttribute( 'contentEditable', false );\r
 853                                                 body.setAttribute( 'contentEditable', true );\r
 854                                                 // Try it again once..\r
 855                                                 !retry && blinkCursor( 1 );\r
 856                                         });\r
 857                         }\r
 858 \r
 859                         // Create an invisible element to grab focus.\r
 860                         if ( CKEDITOR.env.gecko || CKEDITOR.env.ie || CKEDITOR.env.opera )\r
 861                         {\r
 862                                 var focusGrabber;\r
 863                                 editor.on( 'uiReady', function()\r
 864                                 {\r
 865                                         focusGrabber = editor.container.append( CKEDITOR.dom.element.createFromHtml(\r
 866                                                 // Use 'span' instead of anything else to fly under the screen-reader radar. (#5049)\r
 867                                                 '<span tabindex="-1" style="position:absolute; left:-10000" role="presentation"></span>' ) );\r
 868 \r
 869                                         focusGrabber.on( 'focus', function()\r
 870                                                 {\r
 871                                                         editor.focus();\r
 872                                                 } );\r
 873                                 } );\r
 874                                 editor.on( 'destroy', function()\r
 875                                 {\r
 876                                         CKEDITOR.tools.removeFunction( contentDomReadyHandler );\r
 877                                         focusGrabber.clearCustomData();\r
 878                                 } );\r
 879                         }\r
 880 \r
 881                         // Disable form elements editing mode provided by some browers. (#5746)\r
 882                         editor.on( 'insertElement', function ( evt )\r
 883                         {\r
 884                                 var element = evt.data;\r
 885                                 if ( element.type = CKEDITOR.NODE_ELEMENT\r
 886                                                 && ( element.is( 'input' ) || element.is( 'textarea' ) ) )\r
 887                                 {\r
 888                                         element.setAttribute( 'contentEditable', false );\r
 889                                 }\r
 890                         });\r
 891 \r
 892                 }\r
 893         });\r
 894 \r
 895         // Fixing Firefox 'Back-Forward Cache' break design mode. (#4514)\r
 896         if ( CKEDITOR.env.gecko )\r
 897         {\r
 898                 ( function ()\r
 899                 {\r
 900                         var body = document.body;\r
 901 \r
 902                         if ( !body )\r
 903                                 window.addEventListener( 'load', arguments.callee, false );\r
 904                         else\r
 905                         {\r
 906                                 var currentHandler = body.getAttribute( 'onpageshow' );\r
 907                                 body.setAttribute( 'onpageshow', ( currentHandler ? currentHandler + ';' : '') +\r
 908                                                         'event.persisted && (function(){' +\r
 909                                                                 'var allInstances = CKEDITOR.instances, editor, doc;' +\r
 910                                                                 'for ( var i in allInstances )' +\r
 911                                                                 '{' +\r
 912                                                                 '       editor = allInstances[ i ];' +\r
 913                                                                 '       doc = editor.document;' +\r
 914                                                                 '       if ( doc )' +\r
 915                                                                 '       {' +\r
 916                                                                 '               doc.$.designMode = "off";' +\r
 917                                                                 '               doc.$.designMode = "on";' +\r
 918                                                                 '       }' +\r
 919                                                                 '}' +\r
 920                                                 '})();' );\r
 921                         }\r
 922                 } )();\r
 923 \r
 924         }\r
 925 })();\r
 926 \r
 927 /**\r
 928  * Disables the ability of resize objects (image and tables) in the editing\r
 929  * area.\r
 930  * @type Boolean\r
 931  * @default false\r
 932  * @example\r
 933  * config.disableObjectResizing = true;\r
 934  */\r
 935 CKEDITOR.config.disableObjectResizing = false;\r
 936 \r
 937 /**\r
 938  * Disables the "table tools" offered natively by the browser (currently\r
 939  * Firefox only) to make quick table editing operations, like adding or\r
 940  * deleting rows and columns.\r
 941  * @type Boolean\r
 942  * @default true\r
 943  * @example\r
 944  * config.disableNativeTableHandles = false;\r
 945  */\r
 946 CKEDITOR.config.disableNativeTableHandles = true;\r
 947 \r
 948 /**\r
 949  * Disables the built-in spell checker while typing natively available in the\r
 950  * browser (currently Firefox and Safari only).<br /><br />\r
 951  *\r
 952  * Even if word suggestions will not appear in the CKEditor context menu, this\r
 953  * feature is useful to help quickly identifying misspelled words.<br /><br />\r
 954  *\r
 955  * This setting is currently compatible with Firefox only due to limitations in\r
 956  * other browsers.\r
 957  * @type Boolean\r
 958  * @default true\r
 959  * @example\r
 960  * config.disableNativeSpellChecker = false;\r
 961  */\r
 962 CKEDITOR.config.disableNativeSpellChecker = true;\r
 963 \r
 964 /**\r
 965  * Whether the editor must output an empty value ("") if it's contents is made\r
 966  * by an empty paragraph only.\r
 967  * @type Boolean\r
 968  * @default true\r
 969  * @example\r
 970  * config.ignoreEmptyParagraph = false;\r
 971  */\r
 972 CKEDITOR.config.ignoreEmptyParagraph = true;\r
 973 \r
 974 /**\r
 975  * Fired when data is loaded and ready for retrieval in an editor instance.\r
 976  * @name CKEDITOR.editor#dataReady\r
 977  * @event\r
 978  */\r