_source/core/dom/element.js

   1 /*\r
   2 Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.\r
   3 For licensing, see LICENSE.html or http://ckeditor.com/license\r
   4 */\r
   5 \r
   6 /**\r
   7  * @fileOverview Defines the {@link CKEDITOR.dom.element} class, which\r
   8  *              represents a DOM element.\r
   9  */\r
  10 \r
  11 /**\r
  12  * Represents a DOM element.\r
  13  * @constructor\r
  14  * @augments CKEDITOR.dom.node\r
  15  * @param {Object|String} element A native DOM element or the element name for\r
  16  *              new elements.\r
  17  * @param {CKEDITOR.dom.document} [ownerDocument] The document that will contain\r
  18  *              the element in case of element creation.\r
  19  * @example\r
  20  * // Create a new &lt;span&gt; element.\r
  21  * var element = new CKEDITOR.dom.element( 'span' );\r
  22  * @example\r
  23  * // Create an element based on a native DOM element.\r
  24  * var element = new CKEDITOR.dom.element( document.getElementById( 'myId' ) );\r
  25  */\r
  26 CKEDITOR.dom.element = function( element, ownerDocument )\r
  27 {\r
  28         if ( typeof element == 'string' )\r
  29                 element = ( ownerDocument ? ownerDocument.$ : document ).createElement( element );\r
  30 \r
  31         // Call the base constructor (we must not call CKEDITOR.dom.node).\r
  32         CKEDITOR.dom.domObject.call( this, element );\r
  33 };\r
  34 \r
  35 // PACKAGER_RENAME( CKEDITOR.dom.element )\r
  36 \r
  37 /**\r
  38  * The the {@link CKEDITOR.dom.element} representing and element. If the\r
  39  * element is a native DOM element, it will be transformed into a valid\r
  40  * CKEDITOR.dom.element object.\r
  41  * @returns {CKEDITOR.dom.element} The transformed element.\r
  42  * @example\r
  43  * var element = new CKEDITOR.dom.element( 'span' );\r
  44  * alert( element == <b>CKEDITOR.dom.element.get( element )</b> );  "true"\r
  45  * @example\r
  46  * var element = document.getElementById( 'myElement' );\r
  47  * alert( <b>CKEDITOR.dom.element.get( element )</b>.getName() );  e.g. "p"\r
  48  */\r
  49 CKEDITOR.dom.element.get = function( element )\r
  50 {\r
  51         return element && ( element.$ ? element : new CKEDITOR.dom.element( element ) );\r
  52 };\r
  53 \r
  54 CKEDITOR.dom.element.prototype = new CKEDITOR.dom.node();\r
  55 \r
  56 /**\r
  57  * Creates an instance of the {@link CKEDITOR.dom.element} class based on the\r
  58  * HTML representation of an element.\r
  59  * @param {String} html The element HTML. It should define only one element in\r
  60  *              the "root" level. The "root" element can have child nodes, but not\r
  61  *              siblings.\r
  62  * @returns {CKEDITOR.dom.element} The element instance.\r
  63  * @example\r
  64  * var element = <b>CKEDITOR.dom.element.createFromHtml( '&lt;strong class="anyclass"&gt;My element&lt;/strong&gt;' )</b>;\r
  65  * alert( element.getName() );  // "strong"\r
  66  */\r
  67 CKEDITOR.dom.element.createFromHtml = function( html, ownerDocument )\r
  68 {\r
  69         var temp = new CKEDITOR.dom.element( 'div', ownerDocument );\r
  70         temp.setHtml( html );\r
  71 \r
  72         // When returning the node, remove it from its parent to detach it.\r
  73         return temp.getFirst().remove();\r
  74 };\r
  75 \r
  76 CKEDITOR.dom.element.setMarker = function( database, element, name, value )\r
  77 {\r
  78         var id = element.getCustomData( 'list_marker_id' ) ||\r
  79                         ( element.setCustomData( 'list_marker_id', CKEDITOR.tools.getNextNumber() ).getCustomData( 'list_marker_id' ) ),\r
  80                 markerNames = element.getCustomData( 'list_marker_names' ) ||\r
  81                         ( element.setCustomData( 'list_marker_names', {} ).getCustomData( 'list_marker_names' ) );\r
  82         database[id] = element;\r
  83         markerNames[name] = 1;\r
  84 \r
  85         return element.setCustomData( name, value );\r
  86 };\r
  87 \r
  88 CKEDITOR.dom.element.clearAllMarkers = function( database )\r
  89 {\r
  90         for ( var i in database )\r
  91                 CKEDITOR.dom.element.clearMarkers( database, database[i], 1 );\r
  92 };\r
  93 \r
  94 CKEDITOR.dom.element.clearMarkers = function( database, element, removeFromDatabase )\r
  95 {\r
  96         var names = element.getCustomData( 'list_marker_names' ),\r
  97                 id = element.getCustomData( 'list_marker_id' );\r
  98         for ( var i in names )\r
  99                 element.removeCustomData( i );\r
 100         element.removeCustomData( 'list_marker_names' );\r
 101         if ( removeFromDatabase )\r
 102         {\r
 103                 element.removeCustomData( 'list_marker_id' );\r
 104                 delete database[id];\r
 105         }\r
 106 };\r
 107 \r
 108 CKEDITOR.tools.extend( CKEDITOR.dom.element.prototype,\r
 109         /** @lends CKEDITOR.dom.element.prototype */\r
 110         {\r
 111                 /**\r
 112                  * The node type. This is a constant value set to\r
 113                  * {@link CKEDITOR.NODE_ELEMENT}.\r
 114                  * @type Number\r
 115                  * @example\r
 116                  */\r
 117                 type : CKEDITOR.NODE_ELEMENT,\r
 118 \r
 119                 /**\r
 120                  * Adds a CSS class to the element. It appends the class to the\r
 121                  * already existing names.\r
 122                  * @param {String} className The name of the class to be added.\r
 123                  * @example\r
 124                  * var element = new CKEDITOR.dom.element( 'div' );\r
 125                  * element.addClass( 'classA' );  // &lt;div class="classA"&gt;\r
 126                  * element.addClass( 'classB' );  // &lt;div class="classA classB"&gt;\r
 127                  * element.addClass( 'classA' );  // &lt;div class="classA classB"&gt;\r
 128                  */\r
 129                 addClass : function( className )\r
 130                 {\r
 131                         var c = this.$.className;\r
 132                         if ( c )\r
 133                         {\r
 134                                 var regex = new RegExp( '(?:^|\\s)' + className + '(?:\\s|$)', '' );\r
 135                                 if ( !regex.test( c ) )\r
 136                                         c += ' ' + className;\r
 137                         }\r
 138                         this.$.className = c || className;\r
 139                 },\r
 140 \r
 141                 /**\r
 142                  * Removes a CSS class name from the elements classes. Other classes\r
 143                  * remain untouched.\r
 144                  * @param {String} className The name of the class to remove.\r
 145                  * @example\r
 146                  * var element = new CKEDITOR.dom.element( 'div' );\r
 147                  * element.addClass( 'classA' );  // &lt;div class="classA"&gt;\r
 148                  * element.addClass( 'classB' );  // &lt;div class="classA classB"&gt;\r
 149                  * element.removeClass( 'classA' );  // &lt;div class="classB"&gt;\r
 150                  * element.removeClass( 'classB' );  // &lt;div&gt;\r
 151                  */\r
 152                 removeClass : function( className )\r
 153                 {\r
 154                         var c = this.getAttribute( 'class' );\r
 155                         if ( c )\r
 156                         {\r
 157                                 var regex = new RegExp( '(?:^|\\s+)' + className + '(?=\\s|$)', 'i' );\r
 158                                 if ( regex.test( c ) )\r
 159                                 {\r
 160                                         c = c.replace( regex, '' ).replace( /^\s+/, '' );\r
 161 \r
 162                                         if ( c )\r
 163                                                 this.setAttribute( 'class', c );\r
 164                                         else\r
 165                                                 this.removeAttribute( 'class' );\r
 166                                 }\r
 167                         }\r
 168                 },\r
 169 \r
 170                 hasClass : function( className )\r
 171                 {\r
 172                         var regex = new RegExp( '(?:^|\\s+)' + className + '(?=\\s|$)', '' );\r
 173                         return regex.test( this.getAttribute('class') );\r
 174                 },\r
 175 \r
 176                 /**\r
 177                  * Append a node as a child of this element.\r
 178                  * @param {CKEDITOR.dom.node|String} node The node or element name to be\r
 179                  *              appended.\r
 180                  * @param {Boolean} [toStart] Indicates that the element is to be\r
 181                  *              appended at the start.\r
 182                  * @returns {CKEDITOR.dom.node} The appended node.\r
 183                  * @example\r
 184                  * var p = new CKEDITOR.dom.element( 'p' );\r
 185                  *\r
 186                  * var strong = new CKEDITOR.dom.element( 'strong' );\r
 187                  * <b>p.append( strong );</b>\r
 188                  *\r
 189                  * var em = <b>p.append( 'em' );</b>\r
 190                  *\r
 191                  * // result: "&lt;p&gt;&lt;strong&gt;&lt;/strong&gt;&lt;em&gt;&lt;/em&gt;&lt;/p&gt;"\r
 192                  */\r
 193                 append : function( node, toStart )\r
 194                 {\r
 195                         if ( typeof node == 'string' )\r
 196                                 node = this.getDocument().createElement( node );\r
 197 \r
 198                         if ( toStart )\r
 199                                 this.$.insertBefore( node.$, this.$.firstChild );\r
 200                         else\r
 201                                 this.$.appendChild( node.$ );\r
 202 \r
 203                         return node;\r
 204                 },\r
 205 \r
 206                 appendHtml : function( html )\r
 207                 {\r
 208                         if ( !this.$.childNodes.length )\r
 209                                 this.setHtml( html );\r
 210                         else\r
 211                         {\r
 212                                 var temp = new CKEDITOR.dom.element( 'div', this.getDocument() );\r
 213                                 temp.setHtml( html );\r
 214                                 temp.moveChildren( this );\r
 215                         }\r
 216                 },\r
 217 \r
 218                 /**\r
 219                  * Append text to this element.\r
 220                  * @param {String} text The text to be appended.\r
 221                  * @returns {CKEDITOR.dom.node} The appended node.\r
 222                  * @example\r
 223                  * var p = new CKEDITOR.dom.element( 'p' );\r
 224                  * p.appendText( 'This is' );\r
 225                  * p.appendText( ' some text' );\r
 226                  *\r
 227                  * // result: "&lt;p&gt;This is some text&lt;/p&gt;"\r
 228                  */\r
 229                 appendText : function( text )\r
 230                 {\r
 231                         if ( this.$.text != undefined )\r
 232                                 this.$.text += text;\r
 233                         else\r
 234                                 this.append( new CKEDITOR.dom.text( text ) );\r
 235                 },\r
 236 \r
 237                 appendBogus : function()\r
 238                 {\r
 239                         var lastChild = this.getLast() ;\r
 240 \r
 241                         // Ignore empty/spaces text.\r
 242                         while ( lastChild && lastChild.type == CKEDITOR.NODE_TEXT && !CKEDITOR.tools.rtrim( lastChild.getText() ) )\r
 243                                 lastChild = lastChild.getPrevious();\r
 244                         if ( !lastChild || !lastChild.is || !lastChild.is( 'br' ) )\r
 245                         {\r
 246                                 var bogus = CKEDITOR.env.opera ?\r
 247                                                 this.getDocument().createText('') :\r
 248                                                 this.getDocument().createElement( 'br' );\r
 249 \r
 250                                 CKEDITOR.env.gecko && bogus.setAttribute( 'type', '_moz' );\r
 251 \r
 252                                 this.append( bogus );\r
 253                         }\r
 254                 },\r
 255 \r
 256                 /**\r
 257                  * Breaks one of the ancestor element in the element position, moving\r
 258                  * this element between the broken parts.\r
 259                  * @param {CKEDITOR.dom.element} parent The anscestor element to get broken.\r
 260                  * @example\r
 261                  * // Before breaking:\r
 262                  * //     &lt;b&gt;This &lt;i&gt;is some&lt;span /&gt; sample&lt;/i&gt; test text&lt;/b&gt;\r
 263                  * // If "element" is &lt;span /&gt; and "parent" is &lt;i&gt;:\r
 264                  * //     &lt;b&gt;This &lt;i&gt;is some&lt;/i&gt;&lt;span /&gt;&lt;i&gt; sample&lt;/i&gt; test text&lt;/b&gt;\r
 265                  * element.breakParent( parent );\r
 266                  * @example\r
 267                  * // Before breaking:\r
 268                  * //     &lt;b&gt;This &lt;i&gt;is some&lt;span /&gt; sample&lt;/i&gt; test text&lt;/b&gt;\r
 269                  * // If "element" is &lt;span /&gt; and "parent" is &lt;b&gt;:\r
 270                  * //     &lt;b&gt;This &lt;i&gt;is some&lt;/i&gt;&lt;/b&gt;&lt;span /&gt;&lt;b&gt;&lt;i&gt; sample&lt;/i&gt; test text&lt;/b&gt;\r
 271                  * element.breakParent( parent );\r
 272                  */\r
 273                 breakParent : function( parent )\r
 274                 {\r
 275                         var range = new CKEDITOR.dom.range( this.getDocument() );\r
 276 \r
 277                         // We'll be extracting part of this element, so let's use our\r
 278                         // range to get the correct piece.\r
 279                         range.setStartAfter( this );\r
 280                         range.setEndAfter( parent );\r
 281 \r
 282                         // Extract it.\r
 283                         var docFrag = range.extractContents();\r
 284 \r
 285                         // Move the element outside the broken element.\r
 286                         range.insertNode( this.remove() );\r
 287 \r
 288                         // Re-insert the extracted piece after the element.\r
 289                         docFrag.insertAfterNode( this );\r
 290                 },\r
 291 \r
 292                 contains :\r
 293                         CKEDITOR.env.ie || CKEDITOR.env.webkit ?\r
 294                                 function( node )\r
 295                                 {\r
 296                                         var $ = this.$;\r
 297 \r
 298                                         return node.type != CKEDITOR.NODE_ELEMENT ?\r
 299                                                 $.contains( node.getParent().$ ) :\r
 300                                                 $ != node.$ && $.contains( node.$ );\r
 301                                 }\r
 302                         :\r
 303                                 function( node )\r
 304                                 {\r
 305                                         return !!( this.$.compareDocumentPosition( node.$ ) & 16 );\r
 306                                 },\r
 307 \r
 308                 /**\r
 309                  * Moves the selection focus to this element.\r
 310                  * @function\r
 311                  * @param  {Boolean} defer Whether to asynchronously defer the\r
 312                  *              execution by 100 ms.\r
 313                  * @example\r
 314                  * var element = CKEDITOR.document.getById( 'myTextarea' );\r
 315                  * <b>element.focus()</b>;\r
 316                  */\r
 317                 focus : ( function()\r
 318                 {\r
 319                         function exec()\r
 320                         {\r
 321                         // IE throws error if the element is not visible.\r
 322                         try\r
 323                         {\r
 324                                 this.$.focus();\r
 325                         }\r
 326                         catch (e)\r
 327                         {}\r
 328                         }\r
 329 \r
 330                         return function( defer )\r
 331                         {\r
 332                                 if ( defer )\r
 333                                         CKEDITOR.tools.setTimeout( exec, 100, this );\r
 334                                 else\r
 335                                         exec.call( this );\r
 336                         };\r
 337                 })(),\r
 338 \r
 339                 /**\r
 340                  * Gets the inner HTML of this element.\r
 341                  * @returns {String} The inner HTML of this element.\r
 342                  * @example\r
 343                  * var element = CKEDITOR.dom.element.createFromHtml( '&lt;div&gt;&lt;b&gt;Example&lt;/b&gt;&lt;/div&gt;' );\r
 344                  * alert( <b>p.getHtml()</b> );  // "&lt;b&gt;Example&lt;/b&gt;"\r
 345                  */\r
 346                 getHtml : function()\r
 347                 {\r
 348                         var retval = this.$.innerHTML;\r
 349                         // Strip <?xml:namespace> tags in IE. (#3341).\r
 350                         return CKEDITOR.env.ie ? retval.replace( /<\?[^>]*>/g, '' ) : retval;\r
 351                 },\r
 352 \r
 353                 getOuterHtml : function()\r
 354                 {\r
 355                         if ( this.$.outerHTML )\r
 356                         {\r
 357                                 // IE includes the <?xml:namespace> tag in the outerHTML of\r
 358                                 // namespaced element. So, we must strip it here. (#3341)\r
 359                                 return this.$.outerHTML.replace( /<\?[^>]*>/, '' );\r
 360                         }\r
 361 \r
 362                         var tmpDiv = this.$.ownerDocument.createElement( 'div' );\r
 363                         tmpDiv.appendChild( this.$.cloneNode( true ) );\r
 364                         return tmpDiv.innerHTML;\r
 365                 },\r
 366 \r
 367                 /**\r
 368                  * Sets the inner HTML of this element.\r
 369                  * @param {String} html The HTML to be set for this element.\r
 370                  * @returns {String} The inserted HTML.\r
 371                  * @example\r
 372                  * var p = new CKEDITOR.dom.element( 'p' );\r
 373                  * <b>p.setHtml( '&lt;b&gt;Inner&lt;/b&gt; HTML' );</b>\r
 374                  *\r
 375                  * // result: "&lt;p&gt;&lt;b&gt;Inner&lt;/b&gt; HTML&lt;/p&gt;"\r
 376                  */\r
 377                 setHtml : function( html )\r
 378                 {\r
 379                         return ( this.$.innerHTML = html );\r
 380                 },\r
 381 \r
 382                 /**\r
 383                  * Sets the element contents as plain text.\r
 384                  * @param {String} text The text to be set.\r
 385                  * @returns {String} The inserted text.\r
 386                  * @example\r
 387                  * var element = new CKEDITOR.dom.element( 'div' );\r
 388                  * element.setText( 'A > B & C < D' );\r
 389                  * alert( element.innerHTML );  // "A &amp;gt; B &amp;amp; C &amp;lt; D"\r
 390                  */\r
 391                 setText : function( text )\r
 392                 {\r
 393                         CKEDITOR.dom.element.prototype.setText = ( this.$.innerText != undefined ) ?\r
 394                                 function ( text )\r
 395                                 {\r
 396                                         return this.$.innerText = text;\r
 397                                 } :\r
 398                                 function ( text )\r
 399                                 {\r
 400                                         return this.$.textContent = text;\r
 401                                 };\r
 402 \r
 403                         return this.setText( text );\r
 404                 },\r
 405 \r
 406                 /**\r
 407                  * Gets the value of an element attribute.\r
 408                  * @function\r
 409                  * @param {String} name The attribute name.\r
 410                  * @returns {String} The attribute value or null if not defined.\r
 411                  * @example\r
 412                  * var element = CKEDITOR.dom.element.createFromHtml( '&lt;input type="text" /&gt;' );\r
 413                  * alert( <b>element.getAttribute( 'type' )</b> );  // "text"\r
 414                  */\r
 415                 getAttribute : (function()\r
 416                 {\r
 417                         var standard = function( name )\r
 418                         {\r
 419                                 return this.$.getAttribute( name, 2 );\r
 420                         };\r
 421 \r
 422                         if ( CKEDITOR.env.ie && ( CKEDITOR.env.ie7Compat || CKEDITOR.env.ie6Compat ) )\r
 423                         {\r
 424                                 return function( name )\r
 425                                 {\r
 426                                         switch ( name )\r
 427                                         {\r
 428                                                 case 'class':\r
 429                                                         name = 'className';\r
 430                                                         break;\r
 431 \r
 432                                                 case 'tabindex':\r
 433                                                         var tabIndex = standard.call( this, name );\r
 434 \r
 435                                                         // IE returns tabIndex=0 by default for all\r
 436                                                         // elements. For those elements,\r
 437                                                         // getAtrribute( 'tabindex', 2 ) returns 32768\r
 438                                                         // instead. So, we must make this check to give a\r
 439                                                         // uniform result among all browsers.\r
 440                                                         if ( tabIndex !== 0 && this.$.tabIndex === 0 )\r
 441                                                                 tabIndex = null;\r
 442 \r
 443                                                         return tabIndex;\r
 444                                                         break;\r
 445 \r
 446                                                 case 'checked':\r
 447                                                 {\r
 448                                                         var attr = this.$.attributes.getNamedItem( name ),\r
 449                                                                 attrValue = attr.specified ? attr.nodeValue     // For value given by parser.\r
 450                                                                                                                          : this.$.checked;  // For value created via DOM interface.\r
 451 \r
 452                                                         return attrValue ? 'checked' : null;\r
 453                                                 }\r
 454 \r
 455                                                 case 'hspace':\r
 456                                                 case 'value':\r
 457                                                         return this.$[ name ];\r
 458 \r
 459                                                 case 'style':\r
 460                                                         // IE does not return inline styles via getAttribute(). See #2947.\r
 461                                                         return this.$.style.cssText;\r
 462                                         }\r
 463 \r
 464                                         return standard.call( this, name );\r
 465                                 };\r
 466                         }\r
 467                         else\r
 468                                 return standard;\r
 469                 })(),\r
 470 \r
 471                 getChildren : function()\r
 472                 {\r
 473                         return new CKEDITOR.dom.nodeList( this.$.childNodes );\r
 474                 },\r
 475 \r
 476                 /**\r
 477                  * Gets the current computed value of one of the element CSS style\r
 478                  * properties.\r
 479                  * @function\r
 480                  * @param {String} propertyName The style property name.\r
 481                  * @returns {String} The property value.\r
 482                  * @example\r
 483                  * var element = new CKEDITOR.dom.element( 'span' );\r
 484                  * alert( <b>element.getComputedStyle( 'display' )</b> );  // "inline"\r
 485                  */\r
 486                 getComputedStyle :\r
 487                         CKEDITOR.env.ie ?\r
 488                                 function( propertyName )\r
 489                                 {\r
 490                                         return this.$.currentStyle[ CKEDITOR.tools.cssStyleToDomStyle( propertyName ) ];\r
 491                                 }\r
 492                         :\r
 493                                 function( propertyName )\r
 494                                 {\r
 495                                         return this.getWindow().$.getComputedStyle( this.$, '' ).getPropertyValue( propertyName );\r
 496                                 },\r
 497 \r
 498                 /**\r
 499                  * Gets the DTD entries for this element.\r
 500                  * @returns {Object} An object containing the list of elements accepted\r
 501                  *              by this element.\r
 502                  */\r
 503                 getDtd : function()\r
 504                 {\r
 505                         var dtd = CKEDITOR.dtd[ this.getName() ];\r
 506 \r
 507                         this.getDtd = function()\r
 508                         {\r
 509                                 return dtd;\r
 510                         };\r
 511 \r
 512                         return dtd;\r
 513                 },\r
 514 \r
 515                 getElementsByTag : CKEDITOR.dom.document.prototype.getElementsByTag,\r
 516 \r
 517                 /**\r
 518                  * Gets the computed tabindex for this element.\r
 519                  * @function\r
 520                  * @returns {Number} The tabindex value.\r
 521                  * @example\r
 522                  * var element = CKEDITOR.document.getById( 'myDiv' );\r
 523                  * alert( <b>element.getTabIndex()</b> );  // e.g. "-1"\r
 524                  */\r
 525                 getTabIndex :\r
 526                         CKEDITOR.env.ie ?\r
 527                                 function()\r
 528                                 {\r
 529                                         var tabIndex = this.$.tabIndex;\r
 530 \r
 531                                         // IE returns tabIndex=0 by default for all elements. In\r
 532                                         // those cases we must check that the element really has\r
 533                                         // the tabindex attribute set to zero, or it is one of\r
 534                                         // those element that should have zero by default.\r
 535                                         if ( tabIndex === 0 && !CKEDITOR.dtd.$tabIndex[ this.getName() ] && parseInt( this.getAttribute( 'tabindex' ), 10 ) !== 0 )\r
 536                                                 tabIndex = -1;\r
 537 \r
 538                                                 return tabIndex;\r
 539                                 }\r
 540                         : CKEDITOR.env.webkit ?\r
 541                                 function()\r
 542                                 {\r
 543                                         var tabIndex = this.$.tabIndex;\r
 544 \r
 545                                         // Safari returns "undefined" for elements that should not\r
 546                                         // have tabindex (like a div). So, we must try to get it\r
 547                                         // from the attribute.\r
 548                                         // https://bugs.webkit.org/show_bug.cgi?id=20596\r
 549                                         if ( tabIndex == undefined )\r
 550                                         {\r
 551                                                 tabIndex = parseInt( this.getAttribute( 'tabindex' ), 10 );\r
 552 \r
 553                                                 // If the element don't have the tabindex attribute,\r
 554                                                 // then we should return -1.\r
 555                                                 if ( isNaN( tabIndex ) )\r
 556                                                         tabIndex = -1;\r
 557                                         }\r
 558 \r
 559                                         return tabIndex;\r
 560                                 }\r
 561                         :\r
 562                                 function()\r
 563                                 {\r
 564                                         return this.$.tabIndex;\r
 565                                 },\r
 566 \r
 567                 /**\r
 568                  * Gets the text value of this element.\r
 569                  *\r
 570                  * Only in IE (which uses innerText), &lt;br&gt; will cause linebreaks,\r
 571                  * and sucessive whitespaces (including line breaks) will be reduced to\r
 572                  * a single space. This behavior is ok for us, for now. It may change\r
 573                  * in the future.\r
 574                  * @returns {String} The text value.\r
 575                  * @example\r
 576                  * var element = CKEDITOR.dom.element.createFromHtml( '&lt;div&gt;Same &lt;i&gt;text&lt;/i&gt;.&lt;/div&gt;' );\r
 577                  * alert( <b>element.getText()</b> );  // "Sample text."\r
 578                  */\r
 579                 getText : function()\r
 580                 {\r
 581                         return this.$.textContent || this.$.innerText || '';\r
 582                 },\r
 583 \r
 584                 /**\r
 585                  * Gets the window object that contains this element.\r
 586                  * @returns {CKEDITOR.dom.window} The window object.\r
 587                  * @example\r
 588                  */\r
 589                 getWindow : function()\r
 590                 {\r
 591                         return this.getDocument().getWindow();\r
 592                 },\r
 593 \r
 594                 /**\r
 595                  * Gets the value of the "id" attribute of this element.\r
 596                  * @returns {String} The element id, or null if not available.\r
 597                  * @example\r
 598                  * var element = CKEDITOR.dom.element.createFromHtml( '&lt;p id="myId"&gt;&lt;/p&gt;' );\r
 599                  * alert( <b>element.getId()</b> );  // "myId"\r
 600                  */\r
 601                 getId : function()\r
 602                 {\r
 603                         return this.$.id || null;\r
 604                 },\r
 605 \r
 606                 /**\r
 607                  * Gets the value of the "name" attribute of this element.\r
 608                  * @returns {String} The element name, or null if not available.\r
 609                  * @example\r
 610                  * var element = CKEDITOR.dom.element.createFromHtml( '&lt;input name="myName"&gt;&lt;/input&gt;' );\r
 611                  * alert( <b>element.getNameAtt()</b> );  // "myName"\r
 612                  */\r
 613                 getNameAtt : function()\r
 614                 {\r
 615                         return this.$.name || null;\r
 616                 },\r
 617 \r
 618                 /**\r
 619                  * Gets the element name (tag name). The returned name is guaranteed to\r
 620                  * be always full lowercased.\r
 621                  * @returns {String} The element name.\r
 622                  * @example\r
 623                  * var element = new CKEDITOR.dom.element( 'span' );\r
 624                  * alert( <b>element.getName()</b> );  // "span"\r
 625                  */\r
 626                 getName : function()\r
 627                 {\r
 628                         // Cache the lowercased name inside a closure.\r
 629                         var nodeName = this.$.nodeName.toLowerCase();\r
 630 \r
 631                         if ( CKEDITOR.env.ie && ! ( document.documentMode > 8 ) )\r
 632                         {\r
 633                                 var scopeName = this.$.scopeName;\r
 634                                 if ( scopeName != 'HTML' )\r
 635                                         nodeName = scopeName.toLowerCase() + ':' + nodeName;\r
 636                         }\r
 637 \r
 638                         return (\r
 639                         this.getName = function()\r
 640                                 {\r
 641                                         return nodeName;\r
 642                                 })();\r
 643                 },\r
 644 \r
 645                 /**\r
 646                  * Gets the value set to this element. This value is usually available\r
 647                  * for form field elements.\r
 648                  * @returns {String} The element value.\r
 649                  */\r
 650                 getValue : function()\r
 651                 {\r
 652                         return this.$.value;\r
 653                 },\r
 654 \r
 655                 /**\r
 656                  * Gets the first child node of this element.\r
 657                  * @param {Function} evaluator Filtering the result node.\r
 658                  * @returns {CKEDITOR.dom.node} The first child node or null if not\r
 659                  *              available.\r
 660                  * @example\r
 661                  * var element = CKEDITOR.dom.element.createFromHtml( '&lt;div&gt;&lt;b&gt;Example&lt;/b&gt;&lt;/div&gt;' );\r
 662                  * var first = <b>element.getFirst()</b>;\r
 663                  * alert( first.getName() );  // "b"\r
 664                  */\r
 665                 getFirst : function( evaluator )\r
 666                 {\r
 667                         var first = this.$.firstChild,\r
 668                                 retval = first && new CKEDITOR.dom.node( first );\r
 669                         if ( retval && evaluator && !evaluator( retval ) )\r
 670                                 retval = retval.getNext( evaluator );\r
 671 \r
 672                         return retval;\r
 673                 },\r
 674 \r
 675                 /**\r
 676                  * @param {Function} evaluator Filtering the result node.\r
 677                  */\r
 678                 getLast : function( evaluator )\r
 679                 {\r
 680                         var last = this.$.lastChild,\r
 681                                 retval = last && new CKEDITOR.dom.node( last );\r
 682                         if ( retval && evaluator && !evaluator( retval ) )\r
 683                                 retval = retval.getPrevious( evaluator );\r
 684 \r
 685                         return retval;\r
 686                 },\r
 687 \r
 688                 getStyle : function( name )\r
 689                 {\r
 690                         return this.$.style[ CKEDITOR.tools.cssStyleToDomStyle( name ) ];\r
 691                 },\r
 692 \r
 693                 /**\r
 694                  * Checks if the element name matches one or more names.\r
 695                  * @param {String} name[,name[,...]] One or more names to be checked.\r
 696                  * @returns {Boolean} true if the element name matches any of the names.\r
 697                  * @example\r
 698                  * var element = new CKEDITOR.element( 'span' );\r
 699                  * alert( <b>element.is( 'span' )</b> );  "true"\r
 700                  * alert( <b>element.is( 'p', 'span' )</b> );  "true"\r
 701                  * alert( <b>element.is( 'p' )</b> );  "false"\r
 702                  * alert( <b>element.is( 'p', 'div' )</b> );  "false"\r
 703                  */\r
 704                 is : function()\r
 705                 {\r
 706                         var name = this.getName();\r
 707                         for ( var i = 0 ; i < arguments.length ; i++ )\r
 708                         {\r
 709                                 if ( arguments[ i ] == name )\r
 710                                         return true;\r
 711                         }\r
 712                         return false;\r
 713                 },\r
 714 \r
 715                 isEditable : function()\r
 716                 {\r
 717                         // Get the element name.\r
 718                         var name = this.getName();\r
 719 \r
 720                         // Get the element DTD (defaults to span for unknown elements).\r
 721                         var dtd = !CKEDITOR.dtd.$nonEditable[ name ]\r
 722                                                 && ( CKEDITOR.dtd[ name ] || CKEDITOR.dtd.span );\r
 723 \r
 724                         // In the DTD # == text node.\r
 725                         return ( dtd && dtd['#'] );\r
 726                 },\r
 727 \r
 728                 isIdentical : function( otherElement )\r
 729                 {\r
 730                         if ( this.getName() != otherElement.getName() )\r
 731                                 return false;\r
 732 \r
 733                         var thisAttribs = this.$.attributes,\r
 734                                 otherAttribs = otherElement.$.attributes;\r
 735 \r
 736                         var thisLength = thisAttribs.length,\r
 737                                 otherLength = otherAttribs.length;\r
 738 \r
 739                         for ( var i = 0 ; i < thisLength ; i++ )\r
 740                         {\r
 741                                 var attribute = thisAttribs[ i ];\r
 742 \r
 743                                 if ( attribute.nodeName == '_moz_dirty' )\r
 744                                         continue;\r
 745 \r
 746                                 if ( ( !CKEDITOR.env.ie || ( attribute.specified && attribute.nodeName != 'data-cke-expando' ) ) && attribute.nodeValue != otherElement.getAttribute( attribute.nodeName ) )\r
 747                                         return false;\r
 748                         }\r
 749 \r
 750                         // For IE, we have to for both elements, because it's difficult to\r
 751                         // know how the atttibutes collection is organized in its DOM.\r
 752                         if ( CKEDITOR.env.ie )\r
 753                         {\r
 754                                 for ( i = 0 ; i < otherLength ; i++ )\r
 755                                 {\r
 756                                         attribute = otherAttribs[ i ];\r
 757                                         if ( attribute.specified && attribute.nodeName != 'data-cke-expando'\r
 758                                                         && attribute.nodeValue != this.getAttribute( attribute.nodeName ) )\r
 759                                                 return false;\r
 760                                 }\r
 761                         }\r
 762 \r
 763                         return true;\r
 764                 },\r
 765 \r
 766                 /**\r
 767                  * Checks if this element is visible. May not work if the element is\r
 768                  * child of an element with visibility set to "hidden", but works well\r
 769                  * on the great majority of cases.\r
 770                  * @return {Boolean} True if the element is visible.\r
 771                  */\r
 772                 isVisible : function()\r
 773                 {\r
 774                         var isVisible = !!this.$.offsetHeight && this.getComputedStyle( 'visibility' ) != 'hidden',\r
 775                                 elementWindow,\r
 776                                 elementWindowFrame;\r
 777 \r
 778                         // Webkit and Opera report non-zero offsetHeight despite that\r
 779                         // element is inside an invisible iframe. (#4542)\r
 780                         if ( isVisible && ( CKEDITOR.env.webkit || CKEDITOR.env.opera ) )\r
 781                         {\r
 782                                 elementWindow = this.getWindow();\r
 783 \r
 784                                 if ( !elementWindow.equals( CKEDITOR.document.getWindow() )\r
 785                                                 && ( elementWindowFrame = elementWindow.$.frameElement ) )\r
 786                                 {\r
 787                                         isVisible = new CKEDITOR.dom.element( elementWindowFrame ).isVisible();\r
 788                                 }\r
 789                         }\r
 790 \r
 791                         return isVisible;\r
 792                 },\r
 793 \r
 794                 /**\r
 795                  * Whether it's an empty inline elements which has no visual impact when removed.\r
 796                  */\r
 797                 isEmptyInlineRemoveable : function()\r
 798                 {\r
 799                         if ( !CKEDITOR.dtd.$removeEmpty[ this.getName() ] )\r
 800                                 return false;\r
 801 \r
 802                         var children = this.getChildren();\r
 803                         for ( var i = 0, count = children.count(); i < count; i++ )\r
 804                         {\r
 805                                 var child = children.getItem( i );\r
 806 \r
 807                                 if ( child.type == CKEDITOR.NODE_ELEMENT && child.data( 'cke-bookmark' ) )\r
 808                                         continue;\r
 809 \r
 810                                 if ( child.type == CKEDITOR.NODE_ELEMENT && !child.isEmptyInlineRemoveable()\r
 811                                         || child.type == CKEDITOR.NODE_TEXT && CKEDITOR.tools.trim( child.getText() ) )\r
 812                                 {\r
 813                                         return false;\r
 814                                 }\r
 815                         }\r
 816                         return true;\r
 817                 },\r
 818 \r
 819                 /**\r
 820                  * Checks if the element has any defined attributes.\r
 821                  * @function\r
 822                  * @returns {Boolean} True if the element has attributes.\r
 823                  * @example\r
 824                  * var element = CKEDITOR.dom.element.createFromHtml( '&lt;div title="Test"&gt;Example&lt;/div&gt;' );\r
 825                  * alert( <b>element.hasAttributes()</b> );  // "true"\r
 826                  * @example\r
 827                  * var element = CKEDITOR.dom.element.createFromHtml( '&lt;div&gt;Example&lt;/div&gt;' );\r
 828                  * alert( <b>element.hasAttributes()</b> );  // "false"\r
 829                  */\r
 830                 hasAttributes :\r
 831                         CKEDITOR.env.ie && ( CKEDITOR.env.ie7Compat || CKEDITOR.env.ie6Compat ) ?\r
 832                                 function()\r
 833                                 {\r
 834                                         var attributes = this.$.attributes;\r
 835 \r
 836                                         for ( var i = 0 ; i < attributes.length ; i++ )\r
 837                                         {\r
 838                                                 var attribute = attributes[i];\r
 839 \r
 840                                                 switch ( attribute.nodeName )\r
 841                                                 {\r
 842                                                         case 'class' :\r
 843                                                                 // IE has a strange bug. If calling removeAttribute('className'),\r
 844                                                                 // the attributes collection will still contain the "class"\r
 845                                                                 // attribute, which will be marked as "specified", even if the\r
 846                                                                 // outerHTML of the element is not displaying the class attribute.\r
 847                                                                 // Note : I was not able to reproduce it outside the editor,\r
 848                                                                 // but I've faced it while working on the TC of #1391.\r
 849                                                                 if ( this.getAttribute( 'class' ) )\r
 850                                                                         return true;\r
 851 \r
 852                                                         // Attributes to be ignored.\r
 853                                                         case 'data-cke-expando' :\r
 854                                                                 continue;\r
 855 \r
 856                                                         /*jsl:fallthru*/\r
 857 \r
 858                                                         default :\r
 859                                                                 if ( attribute.specified )\r
 860                                                                         return true;\r
 861                                                 }\r
 862                                         }\r
 863 \r
 864                                         return false;\r
 865                                 }\r
 866                         :\r
 867                                 function()\r
 868                                 {\r
 869                                         var attrs = this.$.attributes,\r
 870                                                 attrsNum = attrs.length;\r
 871 \r
 872                                         // The _moz_dirty attribute might get into the element after pasting (#5455)\r
 873                                         var execludeAttrs = { 'data-cke-expando' : 1, _moz_dirty : 1 };\r
 874 \r
 875                                         return attrsNum > 0 &&\r
 876                                                 ( attrsNum > 2 ||\r
 877                                                         !execludeAttrs[ attrs[0].nodeName ] ||\r
 878                                                         ( attrsNum == 2 && !execludeAttrs[ attrs[1].nodeName ] ) );\r
 879                                 },\r
 880 \r
 881                 /**\r
 882                  * Checks if the specified attribute is defined for this element.\r
 883                  * @returns {Boolean} True if the specified attribute is defined.\r
 884                  * @param {String} name The attribute name.\r
 885                  * @example\r
 886                  */\r
 887                 hasAttribute : function( name )\r
 888                 {\r
 889                         var $attr = this.$.attributes.getNamedItem( name );\r
 890                         return !!( $attr && $attr.specified );\r
 891                 },\r
 892 \r
 893                 /**\r
 894                  * Hides this element (display:none).\r
 895                  * @example\r
 896                  * var element = CKEDITOR.dom.element.getById( 'myElement' );\r
 897                  * <b>element.hide()</b>;\r
 898                  */\r
 899                 hide : function()\r
 900                 {\r
 901                         this.setStyle( 'display', 'none' );\r
 902                 },\r
 903 \r
 904                 moveChildren : function( target, toStart )\r
 905                 {\r
 906                         var $ = this.$;\r
 907                         target = target.$;\r
 908 \r
 909                         if ( $ == target )\r
 910                                 return;\r
 911 \r
 912                         var child;\r
 913 \r
 914                         if ( toStart )\r
 915                         {\r
 916                                 while ( ( child = $.lastChild ) )\r
 917                                         target.insertBefore( $.removeChild( child ), target.firstChild );\r
 918                         }\r
 919                         else\r
 920                         {\r
 921                                 while ( ( child = $.firstChild ) )\r
 922                                         target.appendChild( $.removeChild( child ) );\r
 923                         }\r
 924                 },\r
 925 \r
 926                 /**\r
 927                  * Merges sibling elements that are identical to this one.<br>\r
 928                  * <br>\r
 929                  * Identical child elements are also merged. For example:<br>\r
 930                  * &lt;b&gt;&lt;i&gt;&lt;/i&gt;&lt;/b&gt;&lt;b&gt;&lt;i&gt;&lt;/i&gt;&lt;/b&gt; =&gt; &lt;b&gt;&lt;i&gt;&lt;/i&gt;&lt;/b&gt;\r
 931                  * @function\r
 932                  * @param {Boolean} [inlineOnly] Allow only inline elements to be merged. Defaults to "true".\r
 933                  */\r
 934                 mergeSiblings : ( function()\r
 935                 {\r
 936                         function mergeElements( element, sibling, isNext )\r
 937                         {\r
 938                                 if ( sibling && sibling.type == CKEDITOR.NODE_ELEMENT )\r
 939                                 {\r
 940                                         // Jumping over bookmark nodes and empty inline elements, e.g. <b><i></i></b>,\r
 941                                         // queuing them to be moved later. (#5567)\r
 942                                         var pendingNodes = [];\r
 943 \r
 944                                         while ( sibling.data( 'cke-bookmark' )\r
 945                                                 || sibling.isEmptyInlineRemoveable() )\r
 946                                         {\r
 947                                                 pendingNodes.push( sibling );\r
 948                                                 sibling = isNext ? sibling.getNext() : sibling.getPrevious();\r
 949                                                 if ( !sibling || sibling.type != CKEDITOR.NODE_ELEMENT )\r
 950                                                         return;\r
 951                                         }\r
 952 \r
 953                                         if ( element.isIdentical( sibling ) )\r
 954                                         {\r
 955                                                 // Save the last child to be checked too, to merge things like\r
 956                                                 // <b><i></i></b><b><i></i></b> => <b><i></i></b>\r
 957                                                 var innerSibling = isNext ? element.getLast() : element.getFirst();\r
 958 \r
 959                                                 // Move pending nodes first into the target element.\r
 960                                                 while( pendingNodes.length )\r
 961                                                         pendingNodes.shift().move( element, !isNext );\r
 962 \r
 963                                                 sibling.moveChildren( element, !isNext );\r
 964                                                 sibling.remove();\r
 965 \r
 966                                                 // Now check the last inner child (see two comments above).\r
 967                                                 if ( innerSibling && innerSibling.type == CKEDITOR.NODE_ELEMENT )\r
 968                                                         innerSibling.mergeSiblings();\r
 969                                         }\r
 970                                 }\r
 971                         }\r
 972 \r
 973                         return function( inlineOnly )\r
 974                                 {\r
 975                                         if ( ! ( inlineOnly === false\r
 976                                                         || CKEDITOR.dtd.$removeEmpty[ this.getName() ]\r
 977                                                         || this.is( 'a' ) ) )   // Merge empty links and anchors also. (#5567)\r
 978                                         {\r
 979                                                 return;\r
 980                                         }\r
 981 \r
 982                                         mergeElements( this, this.getNext(), true );\r
 983                                         mergeElements( this, this.getPrevious() );\r
 984                                 };\r
 985                 } )(),\r
 986 \r
 987                 /**\r
 988                  * Shows this element (display it).\r
 989                  * @example\r
 990                  * var element = CKEDITOR.dom.element.getById( 'myElement' );\r
 991                  * <b>element.show()</b>;\r
 992                  */\r
 993                 show : function()\r
 994                 {\r
 995                         this.setStyles(\r
 996                                 {\r
 997                                         display : '',\r
 998                                         visibility : ''\r
 999                                 });\r
1000                 },\r
1001 \r
1002                 /**\r
1003                  * Sets the value of an element attribute.\r
1004                  * @param {String} name The name of the attribute.\r
1005                  * @param {String} value The value to be set to the attribute.\r
1006                  * @function\r
1007                  * @returns {CKEDITOR.dom.element} This element instance.\r
1008                  * @example\r
1009                  * var element = CKEDITOR.dom.element.getById( 'myElement' );\r
1010                  * <b>element.setAttribute( 'class', 'myClass' )</b>;\r
1011                  * <b>element.setAttribute( 'title', 'This is an example' )</b>;\r
1012                  */\r
1013                 setAttribute : (function()\r
1014                 {\r
1015                         var standard = function( name, value )\r
1016                         {\r
1017                                 this.$.setAttribute( name, value );\r
1018                                 return this;\r
1019                         };\r
1020 \r
1021                         if ( CKEDITOR.env.ie && ( CKEDITOR.env.ie7Compat || CKEDITOR.env.ie6Compat ) )\r
1022                         {\r
1023                                 return function( name, value )\r
1024                                 {\r
1025                                         if ( name == 'class' )\r
1026                                                 this.$.className = value;\r
1027                                         else if ( name == 'style' )\r
1028                                                 this.$.style.cssText = value;\r
1029                                         else if ( name == 'tabindex' )  // Case sensitive.\r
1030                                                 this.$.tabIndex = value;\r
1031                                         else if ( name == 'checked' )\r
1032                                                 this.$.checked = value;\r
1033                                         else\r
1034                                                 standard.apply( this, arguments );\r
1035                                         return this;\r
1036                                 };\r
1037                         }\r
1038                         else\r
1039                                 return standard;\r
1040                 })(),\r
1041 \r
1042                 /**\r
1043                  * Sets the value of several element attributes.\r
1044                  * @param {Object} attributesPairs An object containing the names and\r
1045                  *              values of the attributes.\r
1046                  * @returns {CKEDITOR.dom.element} This element instance.\r
1047                  * @example\r
1048                  * var element = CKEDITOR.dom.element.getById( 'myElement' );\r
1049                  * <b>element.setAttributes({\r
1050                  *     'class' : 'myClass',\r
1051                  *     'title' : 'This is an example' })</b>;\r
1052                  */\r
1053                 setAttributes : function( attributesPairs )\r
1054                 {\r
1055                         for ( var name in attributesPairs )\r
1056                                 this.setAttribute( name, attributesPairs[ name ] );\r
1057                         return this;\r
1058                 },\r
1059 \r
1060                 /**\r
1061                  * Sets the element value. This function is usually used with form\r
1062                  * field element.\r
1063                  * @param {String} value The element value.\r
1064                  * @returns {CKEDITOR.dom.element} This element instance.\r
1065                  */\r
1066                 setValue : function( value )\r
1067                 {\r
1068                         this.$.value = value;\r
1069                         return this;\r
1070                 },\r
1071 \r
1072                 /**\r
1073                  * Removes an attribute from the element.\r
1074                  * @param {String} name The attribute name.\r
1075                  * @function\r
1076                  * @example\r
1077                  * var element = CKEDITOR.dom.element.createFromHtml( '<div class="classA"></div>' );\r
1078                  * element.removeAttribute( 'class' );\r
1079                  */\r
1080                 removeAttribute : (function()\r
1081                 {\r
1082                         var standard = function( name )\r
1083                         {\r
1084                                 this.$.removeAttribute( name );\r
1085                         };\r
1086 \r
1087                         if ( CKEDITOR.env.ie && ( CKEDITOR.env.ie7Compat || CKEDITOR.env.ie6Compat ) )\r
1088                         {\r
1089                                 return function( name )\r
1090                                 {\r
1091                                         if ( name == 'class' )\r
1092                                                 name = 'className';\r
1093                                         else if ( name == 'tabindex' )\r
1094                                                 name = 'tabIndex';\r
1095                                         standard.call( this, name );\r
1096                                 };\r
1097                         }\r
1098                         else\r
1099                                 return standard;\r
1100                 })(),\r
1101 \r
1102                 removeAttributes : function ( attributes )\r
1103                 {\r
1104                         if ( CKEDITOR.tools.isArray( attributes ) )\r
1105                         {\r
1106                                 for ( var i = 0 ; i < attributes.length ; i++ )\r
1107                                         this.removeAttribute( attributes[ i ] );\r
1108                         }\r
1109                         else\r
1110                         {\r
1111                                 for ( var attr in attributes )\r
1112                                         attributes.hasOwnProperty( attr ) && this.removeAttribute( attr );\r
1113                         }\r
1114                 },\r
1115 \r
1116                 /**\r
1117                  * Removes a style from the element.\r
1118                  * @param {String} name The style name.\r
1119                  * @function\r
1120                  * @example\r
1121                  * var element = CKEDITOR.dom.element.createFromHtml( '<div style="display:none"></div>' );\r
1122                  * element.removeStyle( 'display' );\r
1123                  */\r
1124                 removeStyle : function( name )\r
1125                 {\r
1126                         this.setStyle( name, '' );\r
1127                         if ( this.$.style.removeAttribute )\r
1128                                 this.$.style.removeAttribute( CKEDITOR.tools.cssStyleToDomStyle( name ) );\r
1129 \r
1130                         if ( !this.$.style.cssText )\r
1131                                 this.removeAttribute( 'style' );\r
1132                 },\r
1133 \r
1134                 /**\r
1135                  * Sets the value of an element style.\r
1136                  * @param {String} name The name of the style. The CSS naming notation\r
1137                  *              must be used (e.g. "background-color").\r
1138                  * @param {String} value The value to be set to the style.\r
1139                  * @returns {CKEDITOR.dom.element} This element instance.\r
1140                  * @example\r
1141                  * var element = CKEDITOR.dom.element.getById( 'myElement' );\r
1142                  * <b>element.setStyle( 'background-color', '#ff0000' )</b>;\r
1143                  * <b>element.setStyle( 'margin-top', '10px' )</b>;\r
1144                  * <b>element.setStyle( 'float', 'right' )</b>;\r
1145                  */\r
1146                 setStyle : function( name, value )\r
1147                 {\r
1148                         this.$.style[ CKEDITOR.tools.cssStyleToDomStyle( name ) ] = value;\r
1149                         return this;\r
1150                 },\r
1151 \r
1152                 /**\r
1153                  * Sets the value of several element styles.\r
1154                  * @param {Object} stylesPairs An object containing the names and\r
1155                  *              values of the styles.\r
1156                  * @returns {CKEDITOR.dom.element} This element instance.\r
1157                  * @example\r
1158                  * var element = CKEDITOR.dom.element.getById( 'myElement' );\r
1159                  * <b>element.setStyles({\r
1160                  *     'position' : 'absolute',\r
1161                  *     'float' : 'right' })</b>;\r
1162                  */\r
1163                 setStyles : function( stylesPairs )\r
1164                 {\r
1165                         for ( var name in stylesPairs )\r
1166                                 this.setStyle( name, stylesPairs[ name ] );\r
1167                         return this;\r
1168                 },\r
1169 \r
1170                 /**\r
1171                  * Sets the opacity of an element.\r
1172                  * @param {Number} opacity A number within the range [0.0, 1.0].\r
1173                  * @example\r
1174                  * var element = CKEDITOR.dom.element.getById( 'myElement' );\r
1175                  * <b>element.setOpacity( 0.75 )</b>;\r
1176                  */\r
1177                 setOpacity : function( opacity )\r
1178                 {\r
1179                         if ( CKEDITOR.env.ie )\r
1180                         {\r
1181                                 opacity = Math.round( opacity * 100 );\r
1182                                 this.setStyle( 'filter', opacity >= 100 ? '' : 'progid:DXImageTransform.Microsoft.Alpha(opacity=' + opacity + ')' );\r
1183                         }\r
1184                         else\r
1185                                 this.setStyle( 'opacity', opacity );\r
1186                 },\r
1187 \r
1188                 /**\r
1189                  * Makes the element and its children unselectable.\r
1190                  * @function\r
1191                  * @example\r
1192                  * var element = CKEDITOR.dom.element.getById( 'myElement' );\r
1193                  * element.unselectable();\r
1194                  */\r
1195                 unselectable :\r
1196                         CKEDITOR.env.gecko ?\r
1197                                 function()\r
1198                                 {\r
1199                                         this.$.style.MozUserSelect = 'none';\r
1200                                         this.on( 'dragstart', function( evt ) { evt.data.preventDefault(); } );\r
1201                                 }\r
1202                         : CKEDITOR.env.webkit ?\r
1203                                 function()\r
1204                                 {\r
1205                                         this.$.style.KhtmlUserSelect = 'none';\r
1206                                         this.on( 'dragstart', function( evt ) { evt.data.preventDefault(); } );\r
1207                                 }\r
1208                         :\r
1209                                 function()\r
1210                                 {\r
1211                                         if ( CKEDITOR.env.ie || CKEDITOR.env.opera )\r
1212                                         {\r
1213                                                 var element = this.$,\r
1214                                                         e,\r
1215                                                         i = 0;\r
1216 \r
1217                                                 element.unselectable = 'on';\r
1218 \r
1219                                                 while ( ( e = element.all[ i++ ] ) )\r
1220                                                 {\r
1221                                                         switch ( e.tagName.toLowerCase() )\r
1222                                                         {\r
1223                                                                 case 'iframe' :\r
1224                                                                 case 'textarea' :\r
1225                                                                 case 'input' :\r
1226                                                                 case 'select' :\r
1227                                                                         /* Ignore the above tags */\r
1228                                                                         break;\r
1229                                                                 default :\r
1230                                                                         e.unselectable = 'on';\r
1231                                                         }\r
1232                                                 }\r
1233                                         }\r
1234                                 },\r
1235 \r
1236                 getPositionedAncestor : function()\r
1237                 {\r
1238                         var current = this;\r
1239                         while ( current.getName() != 'html' )\r
1240                         {\r
1241                                 if ( current.getComputedStyle( 'position' ) != 'static' )\r
1242                                         return current;\r
1243 \r
1244                                 current = current.getParent();\r
1245                         }\r
1246                         return null;\r
1247                 },\r
1248 \r
1249                 getDocumentPosition : function( refDocument )\r
1250                 {\r
1251                         var x = 0, y = 0,\r
1252                                 body = this.getDocument().getBody(),\r
1253                                 quirks = this.getDocument().$.compatMode == 'BackCompat';\r
1254 \r
1255                         var doc = this.getDocument();\r
1256 \r
1257                         if ( document.documentElement[ "getBoundingClientRect" ] )\r
1258                         {\r
1259                                 var box  = this.$.getBoundingClientRect(),\r
1260                                         $doc = doc.$,\r
1261                                         $docElem = $doc.documentElement;\r
1262 \r
1263                                 var clientTop = $docElem.clientTop || body.$.clientTop || 0,\r
1264                                         clientLeft = $docElem.clientLeft || body.$.clientLeft || 0,\r
1265                                         needAdjustScrollAndBorders = true;\r
1266 \r
1267                                 /*\r
1268                                  * #3804: getBoundingClientRect() works differently on IE and non-IE\r
1269                                  * browsers, regarding scroll positions.\r
1270                                  *\r
1271                                  * On IE, the top position of the <html> element is always 0, no matter\r
1272                                  * how much you scrolled down.\r
1273                                  *\r
1274                                  * On other browsers, the top position of the <html> element is negative\r
1275                                  * scrollTop.\r
1276                                  */\r
1277                                 if ( CKEDITOR.env.ie )\r
1278                                 {\r
1279                                         var inDocElem = doc.getDocumentElement().contains( this ),\r
1280                                                 inBody = doc.getBody().contains( this );\r
1281 \r
1282                                         needAdjustScrollAndBorders = ( quirks && inBody ) || ( !quirks && inDocElem );\r
1283                                 }\r
1284 \r
1285                                 if ( needAdjustScrollAndBorders )\r
1286                                 {\r
1287                                         x = box.left + ( !quirks && $docElem.scrollLeft || body.$.scrollLeft );\r
1288                                         x -= clientLeft;\r
1289                                         y = box.top  + ( !quirks && $docElem.scrollTop || body.$.scrollTop );\r
1290                                         y -= clientTop;\r
1291                                 }\r
1292                         }\r
1293                         else\r
1294                         {\r
1295                                 var current = this, previous = null, offsetParent;\r
1296                                 while ( current && !( current.getName() == 'body' || current.getName() == 'html' ) )\r
1297                                 {\r
1298                                         x += current.$.offsetLeft - current.$.scrollLeft;\r
1299                                         y += current.$.offsetTop - current.$.scrollTop;\r
1300 \r
1301                                         // Opera includes clientTop|Left into offsetTop|Left.\r
1302                                         if ( !current.equals( this ) )\r
1303                                         {\r
1304                                                 x += ( current.$.clientLeft || 0 );\r
1305                                                 y += ( current.$.clientTop || 0 );\r
1306                                         }\r
1307 \r
1308                                         var scrollElement = previous;\r
1309                                         while ( scrollElement && !scrollElement.equals( current ) )\r
1310                                         {\r
1311                                                 x -= scrollElement.$.scrollLeft;\r
1312                                                 y -= scrollElement.$.scrollTop;\r
1313                                                 scrollElement = scrollElement.getParent();\r
1314                                         }\r
1315 \r
1316                                         previous = current;\r
1317                                         current = ( offsetParent = current.$.offsetParent ) ?\r
1318                                                   new CKEDITOR.dom.element( offsetParent ) : null;\r
1319                                 }\r
1320                         }\r
1321 \r
1322                         if ( refDocument )\r
1323                         {\r
1324                                 var currentWindow = this.getWindow(),\r
1325                                         refWindow = refDocument.getWindow();\r
1326 \r
1327                                 if ( !currentWindow.equals( refWindow ) && currentWindow.$.frameElement )\r
1328                                 {\r
1329                                         var iframePosition = ( new CKEDITOR.dom.element( currentWindow.$.frameElement ) ).getDocumentPosition( refDocument );\r
1330 \r
1331                                         x += iframePosition.x;\r
1332                                         y += iframePosition.y;\r
1333                                 }\r
1334                         }\r
1335 \r
1336                         if ( !document.documentElement[ "getBoundingClientRect" ] )\r
1337                         {\r
1338                                 // In Firefox, we'll endup one pixel before the element positions,\r
1339                                 // so we must add it here.\r
1340                                 if ( CKEDITOR.env.gecko && !quirks )\r
1341                                 {\r
1342                                         x += this.$.clientLeft ? 1 : 0;\r
1343                                         y += this.$.clientTop ? 1 : 0;\r
1344                                 }\r
1345                         }\r
1346 \r
1347                         return { x : x, y : y };\r
1348                 },\r
1349 \r
1350                 scrollIntoView : function( alignTop )\r
1351                 {\r
1352                         // Get the element window.\r
1353                         var win = this.getWindow(),\r
1354                                 winHeight = win.getViewPaneSize().height;\r
1355 \r
1356                         // Starts from the offset that will be scrolled with the negative value of\r
1357                         // the visible window height.\r
1358                         var offset = winHeight * -1;\r
1359 \r
1360                         // Append the view pane's height if align to top.\r
1361                         // Append element height if we are aligning to the bottom.\r
1362                         if ( alignTop )\r
1363                                 offset += winHeight;\r
1364                         else\r
1365                         {\r
1366                                 offset += this.$.offsetHeight || 0;\r
1367 \r
1368                                 // Consider the margin in the scroll, which is ok for our current needs, but\r
1369                                 // needs investigation if we will be using this function in other places.\r
1370                                 offset += parseInt( this.getComputedStyle( 'marginBottom' ) || 0, 10 ) || 0;\r
1371                         }\r
1372 \r
1373                         // Append the offsets for the entire element hierarchy.\r
1374                         var elementPosition = this.getDocumentPosition();\r
1375                         offset += elementPosition.y;\r
1376 \r
1377                         // offset value might be out of range(nagative), fix it(#3692).\r
1378                         offset = offset < 0 ? 0 : offset;\r
1379 \r
1380                         // Scroll the window to the desired position, if not already visible(#3795).\r
1381                         var currentScroll = win.getScrollPosition().y;\r
1382                         if ( offset > currentScroll || offset < currentScroll - winHeight )\r
1383                                 win.$.scrollTo( 0, offset );\r
1384                 },\r
1385 \r
1386                 setState : function( state )\r
1387                 {\r
1388                         switch ( state )\r
1389                         {\r
1390                                 case CKEDITOR.TRISTATE_ON :\r
1391                                         this.addClass( 'cke_on' );\r
1392                                         this.removeClass( 'cke_off' );\r
1393                                         this.removeClass( 'cke_disabled' );\r
1394                                         break;\r
1395                                 case CKEDITOR.TRISTATE_DISABLED :\r
1396                                         this.addClass( 'cke_disabled' );\r
1397                                         this.removeClass( 'cke_off' );\r
1398                                         this.removeClass( 'cke_on' );\r
1399                                         break;\r
1400                                 default :\r
1401                                         this.addClass( 'cke_off' );\r
1402                                         this.removeClass( 'cke_on' );\r
1403                                         this.removeClass( 'cke_disabled' );\r
1404                                         break;\r
1405                         }\r
1406                 },\r
1407 \r
1408                 /**\r
1409                  * Returns the inner document of this IFRAME element.\r
1410                  * @returns {CKEDITOR.dom.document} The inner document.\r
1411                  */\r
1412                 getFrameDocument : function()\r
1413                 {\r
1414                         var $ = this.$;\r
1415 \r
1416                         try\r
1417                         {\r
1418                                 // In IE, with custom document.domain, it may happen that\r
1419                                 // the iframe is not yet available, resulting in "Access\r
1420                                 // Denied" for the following property access.\r
1421                                 $.contentWindow.document;\r
1422                         }\r
1423                         catch ( e )\r
1424                         {\r
1425                                 // Trick to solve this issue, forcing the iframe to get ready\r
1426                                 // by simply setting its "src" property.\r
1427                                 $.src = $.src;\r
1428 \r
1429                                 // In IE6 though, the above is not enough, so we must pause the\r
1430                                 // execution for a while, giving it time to think.\r
1431                                 if ( CKEDITOR.env.ie && CKEDITOR.env.version < 7 )\r
1432                                 {\r
1433                                         window.showModalDialog(\r
1434                                                 'javascript:document.write("' +\r
1435                                                         '<script>' +\r
1436                                                                 'window.setTimeout(' +\r
1437                                                                         'function(){window.close();}' +\r
1438                                                                         ',50);' +\r
1439                                                         '</script>")' );\r
1440                                 }\r
1441                         }\r
1442 \r
1443                         return $ && new CKEDITOR.dom.document( $.contentWindow.document );\r
1444                 },\r
1445 \r
1446                 /**\r
1447                  * Copy all the attributes from one node to the other, kinda like a clone\r
1448                  * skipAttributes is an object with the attributes that must NOT be copied.\r
1449                  * @param {CKEDITOR.dom.element} dest The destination element.\r
1450                  * @param {Object} skipAttributes A dictionary of attributes to skip.\r
1451                  * @example\r
1452                  */\r
1453                 copyAttributes : function( dest, skipAttributes )\r
1454                 {\r
1455                         var attributes = this.$.attributes;\r
1456                         skipAttributes = skipAttributes || {};\r
1457 \r
1458                         for ( var n = 0 ; n < attributes.length ; n++ )\r
1459                         {\r
1460                                 var attribute = attributes[n];\r
1461 \r
1462                                 // Lowercase attribute name hard rule is broken for\r
1463                                 // some attribute on IE, e.g. CHECKED.\r
1464                                 var attrName = attribute.nodeName.toLowerCase(),\r
1465                                         attrValue;\r
1466 \r
1467                                 // We can set the type only once, so do it with the proper value, not copying it.\r
1468                                 if ( attrName in skipAttributes )\r
1469                                         continue;\r
1470 \r
1471                                 if ( attrName == 'checked' && ( attrValue = this.getAttribute( attrName ) ) )\r
1472                                         dest.setAttribute( attrName, attrValue );\r
1473                                 // IE BUG: value attribute is never specified even if it exists.\r
1474                                 else if ( attribute.specified ||\r
1475                                   ( CKEDITOR.env.ie && attribute.nodeValue && attrName == 'value' ) )\r
1476                                 {\r
1477                                         attrValue = this.getAttribute( attrName );\r
1478                                         if ( attrValue === null )\r
1479                                                 attrValue = attribute.nodeValue;\r
1480 \r
1481                                         dest.setAttribute( attrName, attrValue );\r
1482                                 }\r
1483                         }\r
1484 \r
1485                         // The style:\r
1486                         if ( this.$.style.cssText !== '' )\r
1487                                 dest.$.style.cssText = this.$.style.cssText;\r
1488                 },\r
1489 \r
1490                 /**\r
1491                  * Changes the tag name of the current element.\r
1492                  * @param {String} newTag The new tag for the element.\r
1493                  */\r
1494                 renameNode : function( newTag )\r
1495                 {\r
1496                         // If it's already correct exit here.\r
1497                         if ( this.getName() == newTag )\r
1498                                 return;\r
1499 \r
1500                         var doc = this.getDocument();\r
1501 \r
1502                         // Create the new node.\r
1503                         var newNode = new CKEDITOR.dom.element( newTag, doc );\r
1504 \r
1505                         // Copy all attributes.\r
1506                         this.copyAttributes( newNode );\r
1507 \r
1508                         // Move children to the new node.\r
1509                         this.moveChildren( newNode );\r
1510 \r
1511                         // Replace the node.\r
1512                         this.getParent() && this.$.parentNode.replaceChild( newNode.$, this.$ );\r
1513                         newNode.$[ 'data-cke-expando' ] = this.$[ 'data-cke-expando' ];\r
1514                         this.$ = newNode.$;\r
1515                 },\r
1516 \r
1517                 /**\r
1518                  * Gets a DOM tree descendant under the current node.\r
1519                  * @param {Array|Number} indices The child index or array of child indices under the node.\r
1520                  * @returns {CKEDITOR.dom.node} The specified DOM child under the current node. Null if child does not exist.\r
1521                  * @example\r
1522                  * var strong = p.getChild(0);\r
1523                  */\r
1524                 getChild : function( indices )\r
1525                 {\r
1526                         var rawNode = this.$;\r
1527 \r
1528                         if ( !indices.slice )\r
1529                                 rawNode = rawNode.childNodes[ indices ];\r
1530                         else\r
1531                         {\r
1532                                 while ( indices.length > 0 && rawNode )\r
1533                                         rawNode = rawNode.childNodes[ indices.shift() ];\r
1534                         }\r
1535 \r
1536                         return rawNode ? new CKEDITOR.dom.node( rawNode ) : null;\r
1537                 },\r
1538 \r
1539                 getChildCount : function()\r
1540                 {\r
1541                         return this.$.childNodes.length;\r
1542                 },\r
1543 \r
1544                 disableContextMenu : function()\r
1545                 {\r
1546                         this.on( 'contextmenu', function( event )\r
1547                                 {\r
1548                                         // Cancel the browser context menu.\r
1549                                         if ( !event.data.getTarget().hasClass( 'cke_enable_context_menu' ) )\r
1550                                                 event.data.preventDefault();\r
1551                                 } );\r
1552                 },\r
1553 \r
1554                 /**\r
1555                  * Gets element's direction. Supports both CSS 'direction' prop and 'dir' attr.\r
1556                  */\r
1557                 getDirection : function( useComputed )\r
1558                 {\r
1559                         return useComputed ? this.getComputedStyle( 'direction' ) : this.getStyle( 'direction' ) || this.getAttribute( 'dir' );\r
1560                 },\r
1561 \r
1562                 /**\r
1563                  * Gets, sets and removes custom data to be stored as HTML5 data-* attributes.\r
1564                  * @param {String} name The name of the attribute, excluding the 'data-' part.\r
1565                  * @param {String} [value] The value to set. If set to false, the attribute will be removed.\r
1566                  * @example\r
1567                  * element.data( 'extra-info', 'test' );   // appended the attribute data-extra-info="test" to the element\r
1568                  * alert( element.data( 'extra-info' ) );  // "test"\r
1569                  * element.data( 'extra-info', false );    // remove the data-extra-info attribute from the element\r
1570                  */\r
1571                 data : function ( name, value )\r
1572                 {\r
1573                         name = 'data-' + name;\r
1574                         if ( value === undefined )\r
1575                                 return this.getAttribute( name );\r
1576                         else if ( value === false )\r
1577                                 this.removeAttribute( name );\r
1578                         else\r
1579                                 this.setAttribute( name, value );\r
1580 \r
1581                         return null;\r
1582                 }\r
1583         });\r
1584 \r
1585 ( function()\r
1586 {\r
1587         var sides = {\r
1588                 width : [ "border-left-width", "border-right-width","padding-left", "padding-right" ],\r
1589                 height : [ "border-top-width", "border-bottom-width", "padding-top",  "padding-bottom" ]\r
1590         };\r
1591 \r
1592         function marginAndPaddingSize( type )\r
1593         {\r
1594                 var adjustment = 0;\r
1595                 for ( var i = 0, len = sides[ type ].length; i < len; i++ )\r
1596                         adjustment += parseInt( this.getComputedStyle( sides [ type ][ i ] ) || 0, 10 ) || 0;\r
1597                 return adjustment;\r
1598         }\r
1599 \r
1600         /**\r
1601          * Sets the element size considering the box model.\r
1602          * @name CKEDITOR.dom.element.prototype.setSize\r
1603          * @function\r
1604          * @param {String} type The dimension to set. It accepts "width" and "height".\r
1605          * @param {Number} size The length unit in px.\r
1606          * @param {Boolean} isBorderBox Apply the size based on the border box model.\r
1607          */\r
1608         CKEDITOR.dom.element.prototype.setSize = function( type, size, isBorderBox )\r
1609                 {\r
1610                         if ( typeof size == 'number' )\r
1611                         {\r
1612                                 if ( isBorderBox && !( CKEDITOR.env.ie && CKEDITOR.env.quirks ) )\r
1613                                         size -= marginAndPaddingSize.call( this, type );\r
1614 \r
1615                                 this.setStyle( type, size + 'px' );\r
1616                         }\r
1617                 };\r
1618 \r
1619         /**\r
1620          * Gets the element size, possibly considering the box model.\r
1621          * @name CKEDITOR.dom.element.prototype.getSize\r
1622          * @function\r
1623          * @param {String} type The dimension to get. It accepts "width" and "height".\r
1624          * @param {Boolean} isBorderBox Get the size based on the border box model.\r
1625          */\r
1626         CKEDITOR.dom.element.prototype.getSize = function( type, isBorderBox )\r
1627                 {\r
1628                         var size = Math.max( this.$[ 'offset' + CKEDITOR.tools.capitalize( type )  ],\r
1629                                 this.$[ 'client' + CKEDITOR.tools.capitalize( type )  ] ) || 0;\r
1630 \r
1631                         if ( isBorderBox )\r
1632                                 size -= marginAndPaddingSize.call( this, type );\r
1633 \r
1634                         return size;\r
1635                 };\r
1636 })();\r