_source/core/dom/element.js

   1 /*\r
   2 Copyright (c) 2003-2010, CKSource - Frederico Knabben. All rights reserved.\r
   3 For licensing, see LICENSE.html or http://ckeditor.com/license\r
   4 */\r
   5 \r
   6 /**\r
   7  * @fileOverview Defines the {@link CKEDITOR.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                  * @param  {Boolean} defer Whether to asynchronously defer the\r
 311                  *              execution by 100 ms.\r
 312                  * @example\r
 313                  * var element = CKEDITOR.document.getById( 'myTextarea' );\r
 314                  * <b>element.focus()</b>;\r
 315                  */\r
 316                 focus : ( function()\r
 317                 {\r
 318                         function exec()\r
 319                         {\r
 320                         // IE throws error if the element is not visible.\r
 321                         try\r
 322                         {\r
 323                                 this.$.focus();\r
 324                         }\r
 325                         catch (e)\r
 326                         {}\r
 327                         }\r
 328 \r
 329                         return function( defer )\r
 330                         {\r
 331                                 if ( defer )\r
 332                                         CKEDITOR.tools.setTimeout( exec, 100, this );\r
 333                                 else\r
 334                                         exec.call( this );\r
 335                         };\r
 336                 })(),\r
 337 \r
 338                 /**\r
 339                  * Gets the inner HTML of this element.\r
 340                  * @returns {String} The inner HTML of this element.\r
 341                  * @example\r
 342                  * var element = CKEDITOR.dom.element.createFromHtml( '&lt;div&gt;&lt;b&gt;Example&lt;/b&gt;&lt;/div&gt;' );\r
 343                  * alert( <b>p.getHtml()</b> );  // "&lt;b&gt;Example&lt;/b&gt;"\r
 344                  */\r
 345                 getHtml : function()\r
 346                 {\r
 347                         var retval = this.$.innerHTML;\r
 348                         // Strip <?xml:namespace> tags in IE. (#3341).\r
 349                         return CKEDITOR.env.ie ? retval.replace( /<\?[^>]*>/g, '' ) : retval;\r
 350                 },\r
 351 \r
 352                 getOuterHtml : function()\r
 353                 {\r
 354                         if ( this.$.outerHTML )\r
 355                         {\r
 356                                 // IE includes the <?xml:namespace> tag in the outerHTML of\r
 357                                 // namespaced element. So, we must strip it here. (#3341)\r
 358                                 return this.$.outerHTML.replace( /<\?[^>]*>/, '' );\r
 359                         }\r
 360 \r
 361                         var tmpDiv = this.$.ownerDocument.createElement( 'div' );\r
 362                         tmpDiv.appendChild( this.$.cloneNode( true ) );\r
 363                         return tmpDiv.innerHTML;\r
 364                 },\r
 365 \r
 366                 /**\r
 367                  * Sets the inner HTML of this element.\r
 368                  * @param {String} html The HTML to be set for this element.\r
 369                  * @returns {String} The inserted HTML.\r
 370                  * @example\r
 371                  * var p = new CKEDITOR.dom.element( 'p' );\r
 372                  * <b>p.setHtml( '&lt;b&gt;Inner&lt;/b&gt; HTML' );</b>\r
 373                  *\r
 374                  * // result: "&lt;p&gt;&lt;b&gt;Inner&lt;/b&gt; HTML&lt;/p&gt;"\r
 375                  */\r
 376                 setHtml : function( html )\r
 377                 {\r
 378                         return ( this.$.innerHTML = html );\r
 379                 },\r
 380 \r
 381                 /**\r
 382                  * Sets the element contents as plain text.\r
 383                  * @param {String} text The text to be set.\r
 384                  * @returns {String} The inserted text.\r
 385                  * @example\r
 386                  * var element = new CKEDITOR.dom.element( 'div' );\r
 387                  * element.setText( 'A > B & C < D' );\r
 388                  * alert( element.innerHTML );  // "A &amp;gt; B &amp;amp; C &amp;lt; D"\r
 389                  */\r
 390                 setText : function( text )\r
 391                 {\r
 392                         CKEDITOR.dom.element.prototype.setText = ( this.$.innerText != undefined ) ?\r
 393                                 function ( text )\r
 394                                 {\r
 395                                         return this.$.innerText = text;\r
 396                                 } :\r
 397                                 function ( text )\r
 398                                 {\r
 399                                         return this.$.textContent = text;\r
 400                                 };\r
 401 \r
 402                         return this.setText( text );\r
 403                 },\r
 404 \r
 405                 /**\r
 406                  * Gets the value of an element attribute.\r
 407                  * @function\r
 408                  * @param {String} name The attribute name.\r
 409                  * @returns {String} The attribute value or null if not defined.\r
 410                  * @example\r
 411                  * var element = CKEDITOR.dom.element.createFromHtml( '&lt;input type="text" /&gt;' );\r
 412                  * alert( <b>element.getAttribute( 'type' )</b> );  // "text"\r
 413                  */\r
 414                 getAttribute : (function()\r
 415                 {\r
 416                         var standard = function( name )\r
 417                         {\r
 418                                 return this.$.getAttribute( name, 2 );\r
 419                         };\r
 420 \r
 421                         if ( CKEDITOR.env.ie && ( CKEDITOR.env.ie7Compat || CKEDITOR.env.ie6Compat ) )\r
 422                         {\r
 423                                 return function( name )\r
 424                                 {\r
 425                                         switch ( name )\r
 426                                         {\r
 427                                                 case 'class':\r
 428                                                         name = 'className';\r
 429                                                         break;\r
 430 \r
 431                                                 case 'tabindex':\r
 432                                                         var tabIndex = standard.call( this, name );\r
 433 \r
 434                                                         // IE returns tabIndex=0 by default for all\r
 435                                                         // elements. For those elements,\r
 436                                                         // getAtrribute( 'tabindex', 2 ) returns 32768\r
 437                                                         // instead. So, we must make this check to give a\r
 438                                                         // uniform result among all browsers.\r
 439                                                         if ( tabIndex !== 0 && this.$.tabIndex === 0 )\r
 440                                                                 tabIndex = null;\r
 441 \r
 442                                                         return tabIndex;\r
 443                                                         break;\r
 444 \r
 445                                                 case 'checked':\r
 446                                                 {\r
 447                                                         var attr = this.$.attributes.getNamedItem( name ),\r
 448                                                                 attrValue = attr.specified ? attr.nodeValue     // For value given by parser.\r
 449                                                                                                                          : this.$.checked;  // For value created via DOM interface.\r
 450 \r
 451                                                         return attrValue ? 'checked' : null;\r
 452                                                 }\r
 453 \r
 454                                                 case 'hspace':\r
 455                                                         return this.$.hspace;\r
 456 \r
 457                                                 case 'style':\r
 458                                                         // IE does not return inline styles via getAttribute(). See #2947.\r
 459                                                         return this.$.style.cssText;\r
 460                                         }\r
 461 \r
 462                                         return standard.call( this, name );\r
 463                                 };\r
 464                         }\r
 465                         else\r
 466                                 return standard;\r
 467                 })(),\r
 468 \r
 469                 getChildren : function()\r
 470                 {\r
 471                         return new CKEDITOR.dom.nodeList( this.$.childNodes );\r
 472                 },\r
 473 \r
 474                 /**\r
 475                  * Gets the current computed value of one of the element CSS style\r
 476                  * properties.\r
 477                  * @function\r
 478                  * @param {String} propertyName The style property name.\r
 479                  * @returns {String} The property value.\r
 480                  * @example\r
 481                  * var element = new CKEDITOR.dom.element( 'span' );\r
 482                  * alert( <b>element.getComputedStyle( 'display' )</b> );  // "inline"\r
 483                  */\r
 484                 getComputedStyle :\r
 485                         CKEDITOR.env.ie ?\r
 486                                 function( propertyName )\r
 487                                 {\r
 488                                         return this.$.currentStyle[ CKEDITOR.tools.cssStyleToDomStyle( propertyName ) ];\r
 489                                 }\r
 490                         :\r
 491                                 function( propertyName )\r
 492                                 {\r
 493                                         return this.getWindow().$.getComputedStyle( this.$, '' ).getPropertyValue( propertyName );\r
 494                                 },\r
 495 \r
 496                 /**\r
 497                  * Gets the DTD entries for this element.\r
 498                  * @returns {Object} An object containing the list of elements accepted\r
 499                  *              by this element.\r
 500                  */\r
 501                 getDtd : function()\r
 502                 {\r
 503                         var dtd = CKEDITOR.dtd[ this.getName() ];\r
 504 \r
 505                         this.getDtd = function()\r
 506                         {\r
 507                                 return dtd;\r
 508                         };\r
 509 \r
 510                         return dtd;\r
 511                 },\r
 512 \r
 513                 getElementsByTag : CKEDITOR.dom.document.prototype.getElementsByTag,\r
 514 \r
 515                 /**\r
 516                  * Gets the computed tabindex for this element.\r
 517                  * @function\r
 518                  * @returns {Number} The tabindex value.\r
 519                  * @example\r
 520                  * var element = CKEDITOR.document.getById( 'myDiv' );\r
 521                  * alert( <b>element.getTabIndex()</b> );  // e.g. "-1"\r
 522                  */\r
 523                 getTabIndex :\r
 524                         CKEDITOR.env.ie ?\r
 525                                 function()\r
 526                                 {\r
 527                                         var tabIndex = this.$.tabIndex;\r
 528 \r
 529                                         // IE returns tabIndex=0 by default for all elements. In\r
 530                                         // those cases we must check that the element really has\r
 531                                         // the tabindex attribute set to zero, or it is one of\r
 532                                         // those element that should have zero by default.\r
 533                                         if ( tabIndex === 0 && !CKEDITOR.dtd.$tabIndex[ this.getName() ] && parseInt( this.getAttribute( 'tabindex' ), 10 ) !== 0 )\r
 534                                                 tabIndex = -1;\r
 535 \r
 536                                                 return tabIndex;\r
 537                                 }\r
 538                         : CKEDITOR.env.webkit ?\r
 539                                 function()\r
 540                                 {\r
 541                                         var tabIndex = this.$.tabIndex;\r
 542 \r
 543                                         // Safari returns "undefined" for elements that should not\r
 544                                         // have tabindex (like a div). So, we must try to get it\r
 545                                         // from the attribute.\r
 546                                         // https://bugs.webkit.org/show_bug.cgi?id=20596\r
 547                                         if ( tabIndex == undefined )\r
 548                                         {\r
 549                                                 tabIndex = parseInt( this.getAttribute( 'tabindex' ), 10 );\r
 550 \r
 551                                                 // If the element don't have the tabindex attribute,\r
 552                                                 // then we should return -1.\r
 553                                                 if ( isNaN( tabIndex ) )\r
 554                                                         tabIndex = -1;\r
 555                                         }\r
 556 \r
 557                                         return tabIndex;\r
 558                                 }\r
 559                         :\r
 560                                 function()\r
 561                                 {\r
 562                                         return this.$.tabIndex;\r
 563                                 },\r
 564 \r
 565                 /**\r
 566                  * Gets the text value of this element.\r
 567                  *\r
 568                  * Only in IE (which uses innerText), &lt;br&gt; will cause linebreaks,\r
 569                  * and sucessive whitespaces (including line breaks) will be reduced to\r
 570                  * a single space. This behavior is ok for us, for now. It may change\r
 571                  * in the future.\r
 572                  * @returns {String} The text value.\r
 573                  * @example\r
 574                  * var element = CKEDITOR.dom.element.createFromHtml( '&lt;div&gt;Same &lt;i&gt;text&lt;/i&gt;.&lt;/div&gt;' );\r
 575                  * alert( <b>element.getText()</b> );  // "Sample text."\r
 576                  */\r
 577                 getText : function()\r
 578                 {\r
 579                         return this.$.textContent || this.$.innerText || '';\r
 580                 },\r
 581 \r
 582                 /**\r
 583                  * Gets the window object that contains this element.\r
 584                  * @returns {CKEDITOR.dom.window} The window object.\r
 585                  * @example\r
 586                  */\r
 587                 getWindow : function()\r
 588                 {\r
 589                         return this.getDocument().getWindow();\r
 590                 },\r
 591 \r
 592                 /**\r
 593                  * Gets the value of the "id" attribute of this element.\r
 594                  * @returns {String} The element id, or null if not available.\r
 595                  * @example\r
 596                  * var element = CKEDITOR.dom.element.createFromHtml( '&lt;p id="myId"&gt;&lt;/p&gt;' );\r
 597                  * alert( <b>element.getId()</b> );  // "myId"\r
 598                  */\r
 599                 getId : function()\r
 600                 {\r
 601                         return this.$.id || null;\r
 602                 },\r
 603 \r
 604                 /**\r
 605                  * Gets the value of the "name" attribute of this element.\r
 606                  * @returns {String} The element name, or null if not available.\r
 607                  * @example\r
 608                  * var element = CKEDITOR.dom.element.createFromHtml( '&lt;input name="myName"&gt;&lt;/input&gt;' );\r
 609                  * alert( <b>element.getNameAtt()</b> );  // "myName"\r
 610                  */\r
 611                 getNameAtt : function()\r
 612                 {\r
 613                         return this.$.name || null;\r
 614                 },\r
 615 \r
 616                 /**\r
 617                  * Gets the element name (tag name). The returned name is guaranteed to\r
 618                  * be always full lowercased.\r
 619                  * @returns {String} The element name.\r
 620                  * @example\r
 621                  * var element = new CKEDITOR.dom.element( 'span' );\r
 622                  * alert( <b>element.getName()</b> );  // "span"\r
 623                  */\r
 624                 getName : function()\r
 625                 {\r
 626                         // Cache the lowercased name inside a closure.\r
 627                         var nodeName = this.$.nodeName.toLowerCase();\r
 628 \r
 629                         if ( CKEDITOR.env.ie && ! ( document.documentMode > 8 ) )\r
 630                         {\r
 631                                 var scopeName = this.$.scopeName;\r
 632                                 if ( scopeName != 'HTML' )\r
 633                                         nodeName = scopeName.toLowerCase() + ':' + nodeName;\r
 634                         }\r
 635 \r
 636                         return (\r
 637                         this.getName = function()\r
 638                                 {\r
 639                                         return nodeName;\r
 640                                 })();\r
 641                 },\r
 642 \r
 643                 /**\r
 644                  * Gets the value set to this element. This value is usually available\r
 645                  * for form field elements.\r
 646                  * @returns {String} The element value.\r
 647                  */\r
 648                 getValue : function()\r
 649                 {\r
 650                         return this.$.value;\r
 651                 },\r
 652 \r
 653                 /**\r
 654                  * Gets the first child node of this element.\r
 655                  * @param {Function} evaluator Filtering the result node.\r
 656                  * @returns {CKEDITOR.dom.node} The first child node or null if not\r
 657                  *              available.\r
 658                  * @example\r
 659                  * var element = CKEDITOR.dom.element.createFromHtml( '&lt;div&gt;&lt;b&gt;Example&lt;/b&gt;&lt;/div&gt;' );\r
 660                  * var first = <b>element.getFirst()</b>;\r
 661                  * alert( first.getName() );  // "b"\r
 662                  */\r
 663                 getFirst : function( evaluator )\r
 664                 {\r
 665                         var first = this.$.firstChild,\r
 666                                 retval = first && new CKEDITOR.dom.node( first );\r
 667                         if ( retval && evaluator && !evaluator( retval ) )\r
 668                                 retval = retval.getNext( evaluator );\r
 669 \r
 670                         return retval;\r
 671                 },\r
 672 \r
 673                 /**\r
 674                  * @param {Function} evaluator Filtering the result node.\r
 675                  */\r
 676                 getLast : function( evaluator )\r
 677                 {\r
 678                         var last = this.$.lastChild,\r
 679                                 retval = last && new CKEDITOR.dom.node( last );\r
 680                         if ( retval && evaluator && !evaluator( retval ) )\r
 681                                 retval = retval.getPrevious( evaluator );\r
 682 \r
 683                         return retval;\r
 684                 },\r
 685 \r
 686                 getStyle : function( name )\r
 687                 {\r
 688                         return this.$.style[ CKEDITOR.tools.cssStyleToDomStyle( name ) ];\r
 689                 },\r
 690 \r
 691                 /**\r
 692                  * Checks if the element name matches one or more names.\r
 693                  * @param {String} name[,name[,...]] One or more names to be checked.\r
 694                  * @returns {Boolean} true if the element name matches any of the names.\r
 695                  * @example\r
 696                  * var element = new CKEDITOR.element( 'span' );\r
 697                  * alert( <b>element.is( 'span' )</b> );  "true"\r
 698                  * alert( <b>element.is( 'p', 'span' )</b> );  "true"\r
 699                  * alert( <b>element.is( 'p' )</b> );  "false"\r
 700                  * alert( <b>element.is( 'p', 'div' )</b> );  "false"\r
 701                  */\r
 702                 is : function()\r
 703                 {\r
 704                         var name = this.getName();\r
 705                         for ( var i = 0 ; i < arguments.length ; i++ )\r
 706                         {\r
 707                                 if ( arguments[ i ] == name )\r
 708                                         return true;\r
 709                         }\r
 710                         return false;\r
 711                 },\r
 712 \r
 713                 isEditable : function()\r
 714                 {\r
 715                         // Get the element name.\r
 716                         var name = this.getName();\r
 717 \r
 718                         // Get the element DTD (defaults to span for unknown elements).\r
 719                         var dtd = !CKEDITOR.dtd.$nonEditable[ name ]\r
 720                                                 && ( CKEDITOR.dtd[ name ] || CKEDITOR.dtd.span );\r
 721 \r
 722                         // In the DTD # == text node.\r
 723                         return ( dtd && dtd['#'] );\r
 724                 },\r
 725 \r
 726                 isIdentical : function( otherElement )\r
 727                 {\r
 728                         if ( this.getName() != otherElement.getName() )\r
 729                                 return false;\r
 730 \r
 731                         var thisAttribs = this.$.attributes,\r
 732                                 otherAttribs = otherElement.$.attributes;\r
 733 \r
 734                         var thisLength = thisAttribs.length,\r
 735                                 otherLength = otherAttribs.length;\r
 736 \r
 737                         for ( var i = 0 ; i < thisLength ; i++ )\r
 738                         {\r
 739                                 var attribute = thisAttribs[ i ];\r
 740 \r
 741                                 if ( attribute.nodeName == '_moz_dirty' )\r
 742                                         continue;\r
 743 \r
 744                                 if ( ( !CKEDITOR.env.ie || ( attribute.specified && attribute.nodeName != 'data-cke-expando' ) ) && attribute.nodeValue != otherElement.getAttribute( attribute.nodeName ) )\r
 745                                         return false;\r
 746                         }\r
 747 \r
 748                         // For IE, we have to for both elements, because it's difficult to\r
 749                         // know how the atttibutes collection is organized in its DOM.\r
 750                         if ( CKEDITOR.env.ie )\r
 751                         {\r
 752                                 for ( i = 0 ; i < otherLength ; i++ )\r
 753                                 {\r
 754                                         attribute = otherAttribs[ i ];\r
 755                                         if ( attribute.specified && attribute.nodeName != 'data-cke-expando'\r
 756                                                         && attribute.nodeValue != this.getAttribute( attribute.nodeName ) )\r
 757                                                 return false;\r
 758                                 }\r
 759                         }\r
 760 \r
 761                         return true;\r
 762                 },\r
 763 \r
 764                 /**\r
 765                  * Checks if this element is visible. May not work if the element is\r
 766                  * child of an element with visibility set to "hidden", but works well\r
 767                  * on the great majority of cases.\r
 768                  * @return {Boolean} True if the element is visible.\r
 769                  */\r
 770                 isVisible : function()\r
 771                 {\r
 772                         var isVisible = !!this.$.offsetHeight && this.getComputedStyle( 'visibility' ) != 'hidden',\r
 773                                 elementWindow,\r
 774                                 elementWindowFrame;\r
 775 \r
 776                         // Webkit and Opera report non-zero offsetHeight despite that\r
 777                         // element is inside an invisible iframe. (#4542)\r
 778                         if ( isVisible && ( CKEDITOR.env.webkit || CKEDITOR.env.opera ) )\r
 779                         {\r
 780                                 elementWindow = this.getWindow();\r
 781 \r
 782                                 if ( !elementWindow.equals( CKEDITOR.document.getWindow() )\r
 783                                                 && ( elementWindowFrame = elementWindow.$.frameElement ) )\r
 784                                 {\r
 785                                         isVisible = new CKEDITOR.dom.element( elementWindowFrame ).isVisible();\r
 786                                 }\r
 787                         }\r
 788 \r
 789                         return isVisible;\r
 790                 },\r
 791 \r
 792                 /**\r
 793                  * Whether it's an empty inline elements which has no visual impact when removed.\r
 794                  */\r
 795                 isEmptyInlineRemoveable : function()\r
 796                 {\r
 797                         if ( !CKEDITOR.dtd.$removeEmpty[ this.getName() ] )\r
 798                                 return false;\r
 799 \r
 800                         var children = this.getChildren();\r
 801                         for ( var i = 0, count = children.count(); i < count; i++ )\r
 802                         {\r
 803                                 var child = children.getItem( i );\r
 804 \r
 805                                 if ( child.type == CKEDITOR.NODE_ELEMENT && child.data( 'cke-bookmark' ) )\r
 806                                         continue;\r
 807 \r
 808                                 if ( child.type == CKEDITOR.NODE_ELEMENT && !child.isEmptyInlineRemoveable()\r
 809                                         || child.type == CKEDITOR.NODE_TEXT && CKEDITOR.tools.trim( child.getText() ) )\r
 810                                 {\r
 811                                         return false;\r
 812                                 }\r
 813                         }\r
 814                         return true;\r
 815                 },\r
 816 \r
 817                 /**\r
 818                  * Indicates that the element has defined attributes.\r
 819                  * @returns {Boolean} True if the element has attributes.\r
 820                  * @example\r
 821                  * var element = CKEDITOR.dom.element.createFromHtml( '<div title="Test">Example</div>' );\r
 822                  * alert( <b>element.hasAttributes()</b> );  "true"\r
 823                  * @example\r
 824                  * var element = CKEDITOR.dom.element.createFromHtml( '<div>Example</div>' );\r
 825                  * alert( <b>element.hasAttributes()</b> );  "false"\r
 826                  */\r
 827                 hasAttributes :\r
 828                         CKEDITOR.env.ie && ( CKEDITOR.env.ie7Compat || CKEDITOR.env.ie6Compat ) ?\r
 829                                 function()\r
 830                                 {\r
 831                                         var attributes = this.$.attributes;\r
 832 \r
 833                                         for ( var i = 0 ; i < attributes.length ; i++ )\r
 834                                         {\r
 835                                                 var attribute = attributes[i];\r
 836 \r
 837                                                 switch ( attribute.nodeName )\r
 838                                                 {\r
 839                                                         case 'class' :\r
 840                                                                 // IE has a strange bug. If calling removeAttribute('className'),\r
 841                                                                 // the attributes collection will still contain the "class"\r
 842                                                                 // attribute, which will be marked as "specified", even if the\r
 843                                                                 // outerHTML of the element is not displaying the class attribute.\r
 844                                                                 // Note : I was not able to reproduce it outside the editor,\r
 845                                                                 // but I've faced it while working on the TC of #1391.\r
 846                                                                 if ( this.getAttribute( 'class' ) )\r
 847                                                                         return true;\r
 848 \r
 849                                                         // Attributes to be ignored.\r
 850                                                         case 'data-cke-expando' :\r
 851                                                                 continue;\r
 852 \r
 853                                                         /*jsl:fallthru*/\r
 854 \r
 855                                                         default :\r
 856                                                                 if ( attribute.specified )\r
 857                                                                         return true;\r
 858                                                 }\r
 859                                         }\r
 860 \r
 861                                         return false;\r
 862                                 }\r
 863                         :\r
 864                                 function()\r
 865                                 {\r
 866                                         var attrs = this.$.attributes,\r
 867                                                 attrsNum = attrs.length;\r
 868 \r
 869                                         // The _moz_dirty attribute might get into the element after pasting (#5455)\r
 870                                         var execludeAttrs = { 'data-cke-expando' : 1, _moz_dirty : 1 };\r
 871 \r
 872                                         return attrsNum > 0 &&\r
 873                                                 ( attrsNum > 2 ||\r
 874                                                         !execludeAttrs[ attrs[0].nodeName ] ||\r
 875                                                         ( attrsNum == 2 && !execludeAttrs[ attrs[1].nodeName ] ) );\r
 876                                 },\r
 877 \r
 878                 /**\r
 879                  * Indicates whether a specified attribute is defined for this element.\r
 880                  * @returns {Boolean} True if the specified attribute is defined.\r
 881                  * @param (String) name The attribute name.\r
 882                  * @example\r
 883                  */\r
 884                 hasAttribute : function( name )\r
 885                 {\r
 886                         var $attr = this.$.attributes.getNamedItem( name );\r
 887                         return !!( $attr && $attr.specified );\r
 888                 },\r
 889 \r
 890                 /**\r
 891                  * Hides this element (display:none).\r
 892                  * @example\r
 893                  * var element = CKEDITOR.dom.element.getById( 'myElement' );\r
 894                  * <b>element.hide()</b>;\r
 895                  */\r
 896                 hide : function()\r
 897                 {\r
 898                         this.setStyle( 'display', 'none' );\r
 899                 },\r
 900 \r
 901                 moveChildren : function( target, toStart )\r
 902                 {\r
 903                         var $ = this.$;\r
 904                         target = target.$;\r
 905 \r
 906                         if ( $ == target )\r
 907                                 return;\r
 908 \r
 909                         var child;\r
 910 \r
 911                         if ( toStart )\r
 912                         {\r
 913                                 while ( ( child = $.lastChild ) )\r
 914                                         target.insertBefore( $.removeChild( child ), target.firstChild );\r
 915                         }\r
 916                         else\r
 917                         {\r
 918                                 while ( ( child = $.firstChild ) )\r
 919                                         target.appendChild( $.removeChild( child ) );\r
 920                         }\r
 921                 },\r
 922 \r
 923                 mergeSiblings : ( function()\r
 924                 {\r
 925                         function mergeElements( element, sibling, isNext )\r
 926                         {\r
 927                                 if ( sibling && sibling.type == CKEDITOR.NODE_ELEMENT )\r
 928                                 {\r
 929                                         // Jumping over bookmark nodes and empty inline elements, e.g. <b><i></i></b>,\r
 930                                         // queuing them to be moved later. (#5567)\r
 931                                         var pendingNodes = [];\r
 932 \r
 933                                         while ( sibling.data( 'cke-bookmark' )\r
 934                                                 || sibling.isEmptyInlineRemoveable() )\r
 935                                         {\r
 936                                                 pendingNodes.push( sibling );\r
 937                                                 sibling = isNext ? sibling.getNext() : sibling.getPrevious();\r
 938                                                 if ( !sibling || sibling.type != CKEDITOR.NODE_ELEMENT )\r
 939                                                         return;\r
 940                                         }\r
 941 \r
 942                                         if ( element.isIdentical( sibling ) )\r
 943                                         {\r
 944                                                 // Save the last child to be checked too, to merge things like\r
 945                                                 // <b><i></i></b><b><i></i></b> => <b><i></i></b>\r
 946                                                 var innerSibling = isNext ? element.getLast() : element.getFirst();\r
 947 \r
 948                                                 // Move pending nodes first into the target element.\r
 949                                                 while( pendingNodes.length )\r
 950                                                         pendingNodes.shift().move( element, !isNext );\r
 951 \r
 952                                                 sibling.moveChildren( element, !isNext );\r
 953                                                 sibling.remove();\r
 954 \r
 955                                                 // Now check the last inner child (see two comments above).\r
 956                                                 if ( innerSibling && innerSibling.type == CKEDITOR.NODE_ELEMENT )\r
 957                                                         innerSibling.mergeSiblings();\r
 958                                         }\r
 959                                 }\r
 960                         }\r
 961 \r
 962                         return function()\r
 963                                 {\r
 964                                         // Merge empty links and anchors also. (#5567)\r
 965                                         if ( !( CKEDITOR.dtd.$removeEmpty[ this.getName() ] || this.is( 'a' ) ) )\r
 966                                                 return;\r
 967 \r
 968                                         mergeElements( this, this.getNext(), true );\r
 969                                         mergeElements( this, this.getPrevious() );\r
 970                                 };\r
 971                 } )(),\r
 972 \r
 973                 /**\r
 974                  * Shows this element (display it).\r
 975                  * @example\r
 976                  * var element = CKEDITOR.dom.element.getById( 'myElement' );\r
 977                  * <b>element.show()</b>;\r
 978                  */\r
 979                 show : function()\r
 980                 {\r
 981                         this.setStyles(\r
 982                                 {\r
 983                                         display : '',\r
 984                                         visibility : ''\r
 985                                 });\r
 986                 },\r
 987 \r
 988                 /**\r
 989                  * Sets the value of an element attribute.\r
 990                  * @param {String} name The name of the attribute.\r
 991                  * @param {String} value The value to be set to the attribute.\r
 992                  * @function\r
 993                  * @returns {CKEDITOR.dom.element} This element instance.\r
 994                  * @example\r
 995                  * var element = CKEDITOR.dom.element.getById( 'myElement' );\r
 996                  * <b>element.setAttribute( 'class', 'myClass' )</b>;\r
 997                  * <b>element.setAttribute( 'title', 'This is an example' )</b>;\r
 998                  */\r
 999                 setAttribute : (function()\r
1000                 {\r
1001                         var standard = function( name, value )\r
1002                         {\r
1003                                 this.$.setAttribute( name, value );\r
1004                                 return this;\r
1005                         };\r
1006 \r
1007                         if ( CKEDITOR.env.ie && ( CKEDITOR.env.ie7Compat || CKEDITOR.env.ie6Compat ) )\r
1008                         {\r
1009                                 return function( name, value )\r
1010                                 {\r
1011                                         if ( name == 'class' )\r
1012                                                 this.$.className = value;\r
1013                                         else if ( name == 'style' )\r
1014                                                 this.$.style.cssText = value;\r
1015                                         else if ( name == 'tabindex' )  // Case sensitive.\r
1016                                                 this.$.tabIndex = value;\r
1017                                         else if ( name == 'checked' )\r
1018                                                 this.$.checked = value;\r
1019                                         else\r
1020                                                 standard.apply( this, arguments );\r
1021                                         return this;\r
1022                                 };\r
1023                         }\r
1024                         else\r
1025                                 return standard;\r
1026                 })(),\r
1027 \r
1028                 /**\r
1029                  * Sets the value of several element attributes.\r
1030                  * @param {Object} attributesPairs An object containing the names and\r
1031                  *              values of the attributes.\r
1032                  * @returns {CKEDITOR.dom.element} This element instance.\r
1033                  * @example\r
1034                  * var element = CKEDITOR.dom.element.getById( 'myElement' );\r
1035                  * <b>element.setAttributes({\r
1036                  *     'class' : 'myClass',\r
1037                  *     'title' : 'This is an example' })</b>;\r
1038                  */\r
1039                 setAttributes : function( attributesPairs )\r
1040                 {\r
1041                         for ( var name in attributesPairs )\r
1042                                 this.setAttribute( name, attributesPairs[ name ] );\r
1043                         return this;\r
1044                 },\r
1045 \r
1046                 /**\r
1047                  * Sets the element value. This function is usually used with form\r
1048                  * field element.\r
1049                  * @param {String} value The element value.\r
1050                  * @returns {CKEDITOR.dom.element} This element instance.\r
1051                  */\r
1052                 setValue : function( value )\r
1053                 {\r
1054                         this.$.value = value;\r
1055                         return this;\r
1056                 },\r
1057 \r
1058                 /**\r
1059                  * Removes an attribute from the element.\r
1060                  * @param {String} name The attribute name.\r
1061                  * @function\r
1062                  * @example\r
1063                  * var element = CKEDITOR.dom.element.createFromHtml( '<div class="classA"></div>' );\r
1064                  * element.removeAttribute( 'class' );\r
1065                  */\r
1066                 removeAttribute : (function()\r
1067                 {\r
1068                         var standard = function( name )\r
1069                         {\r
1070                                 this.$.removeAttribute( name );\r
1071                         };\r
1072 \r
1073                         if ( CKEDITOR.env.ie && ( CKEDITOR.env.ie7Compat || CKEDITOR.env.ie6Compat ) )\r
1074                         {\r
1075                                 return function( name )\r
1076                                 {\r
1077                                         if ( name == 'class' )\r
1078                                                 name = 'className';\r
1079                                         else if ( name == 'tabindex' )\r
1080                                                 name = 'tabIndex';\r
1081                                         standard.call( this, name );\r
1082                                 };\r
1083                         }\r
1084                         else\r
1085                                 return standard;\r
1086                 })(),\r
1087 \r
1088                 removeAttributes : function ( attributes )\r
1089                 {\r
1090                         if ( CKEDITOR.tools.isArray( attributes ) )\r
1091                         {\r
1092                                 for ( var i = 0 ; i < attributes.length ; i++ )\r
1093                                         this.removeAttribute( attributes[ i ] );\r
1094                         }\r
1095                         else\r
1096                         {\r
1097                                 for ( var attr in attributes )\r
1098                                         attributes.hasOwnProperty( attr ) && this.removeAttribute( attr );\r
1099                         }\r
1100                 },\r
1101 \r
1102                 /**\r
1103                  * Removes a style from the element.\r
1104                  * @param {String} name The style name.\r
1105                  * @function\r
1106                  * @example\r
1107                  * var element = CKEDITOR.dom.element.createFromHtml( '<div style="display:none"></div>' );\r
1108                  * element.removeStyle( 'display' );\r
1109                  */\r
1110                 removeStyle : function( name )\r
1111                 {\r
1112                         this.setStyle( name, '' );\r
1113                         if ( this.$.style.removeAttribute )\r
1114                                 this.$.style.removeAttribute( CKEDITOR.tools.cssStyleToDomStyle( name ) );\r
1115 \r
1116                         if ( !this.$.style.cssText )\r
1117                                 this.removeAttribute( 'style' );\r
1118                 },\r
1119 \r
1120                 /**\r
1121                  * Sets the value of an element style.\r
1122                  * @param {String} name The name of the style. The CSS naming notation\r
1123                  *              must be used (e.g. "background-color").\r
1124                  * @param {String} value The value to be set to the style.\r
1125                  * @returns {CKEDITOR.dom.element} This element instance.\r
1126                  * @example\r
1127                  * var element = CKEDITOR.dom.element.getById( 'myElement' );\r
1128                  * <b>element.setStyle( 'background-color', '#ff0000' )</b>;\r
1129                  * <b>element.setStyle( 'margin-top', '10px' )</b>;\r
1130                  * <b>element.setStyle( 'float', 'right' )</b>;\r
1131                  */\r
1132                 setStyle : function( name, value )\r
1133                 {\r
1134                         this.$.style[ CKEDITOR.tools.cssStyleToDomStyle( name ) ] = value;\r
1135                         return this;\r
1136                 },\r
1137 \r
1138                 /**\r
1139                  * Sets the value of several element styles.\r
1140                  * @param {Object} stylesPairs An object containing the names and\r
1141                  *              values of the styles.\r
1142                  * @returns {CKEDITOR.dom.element} This element instance.\r
1143                  * @example\r
1144                  * var element = CKEDITOR.dom.element.getById( 'myElement' );\r
1145                  * <b>element.setStyles({\r
1146                  *     'position' : 'absolute',\r
1147                  *     'float' : 'right' })</b>;\r
1148                  */\r
1149                 setStyles : function( stylesPairs )\r
1150                 {\r
1151                         for ( var name in stylesPairs )\r
1152                                 this.setStyle( name, stylesPairs[ name ] );\r
1153                         return this;\r
1154                 },\r
1155 \r
1156                 /**\r
1157                  * Sets the opacity of an element.\r
1158                  * @param {Number} opacity A number within the range [0.0, 1.0].\r
1159                  * @example\r
1160                  * var element = CKEDITOR.dom.element.getById( 'myElement' );\r
1161                  * <b>element.setOpacity( 0.75 )</b>;\r
1162                  */\r
1163                 setOpacity : function( opacity )\r
1164                 {\r
1165                         if ( CKEDITOR.env.ie )\r
1166                         {\r
1167                                 opacity = Math.round( opacity * 100 );\r
1168                                 this.setStyle( 'filter', opacity >= 100 ? '' : 'progid:DXImageTransform.Microsoft.Alpha(opacity=' + opacity + ')' );\r
1169                         }\r
1170                         else\r
1171                                 this.setStyle( 'opacity', opacity );\r
1172                 },\r
1173 \r
1174                 /**\r
1175                  * Makes the element and its children unselectable.\r
1176                  * @function\r
1177                  * @example\r
1178                  * var element = CKEDITOR.dom.element.getById( 'myElement' );\r
1179                  * element.unselectable();\r
1180                  */\r
1181                 unselectable :\r
1182                         CKEDITOR.env.gecko ?\r
1183                                 function()\r
1184                                 {\r
1185                                         this.$.style.MozUserSelect = 'none';\r
1186                                         this.on( 'dragstart', function( evt ) { evt.data.preventDefault(); } );\r
1187                                 }\r
1188                         : CKEDITOR.env.webkit ?\r
1189                                 function()\r
1190                                 {\r
1191                                         this.$.style.KhtmlUserSelect = 'none';\r
1192                                         this.on( 'dragstart', function( evt ) { evt.data.preventDefault(); } );\r
1193                                 }\r
1194                         :\r
1195                                 function()\r
1196                                 {\r
1197                                         if ( CKEDITOR.env.ie || CKEDITOR.env.opera )\r
1198                                         {\r
1199                                                 var element = this.$,\r
1200                                                         e,\r
1201                                                         i = 0;\r
1202 \r
1203                                                 element.unselectable = 'on';\r
1204 \r
1205                                                 while ( ( e = element.all[ i++ ] ) )\r
1206                                                 {\r
1207                                                         switch ( e.tagName.toLowerCase() )\r
1208                                                         {\r
1209                                                                 case 'iframe' :\r
1210                                                                 case 'textarea' :\r
1211                                                                 case 'input' :\r
1212                                                                 case 'select' :\r
1213                                                                         /* Ignore the above tags */\r
1214                                                                         break;\r
1215                                                                 default :\r
1216                                                                         e.unselectable = 'on';\r
1217                                                         }\r
1218                                                 }\r
1219                                         }\r
1220                                 },\r
1221 \r
1222                 getPositionedAncestor : function()\r
1223                 {\r
1224                         var current = this;\r
1225                         while ( current.getName() != 'html' )\r
1226                         {\r
1227                                 if ( current.getComputedStyle( 'position' ) != 'static' )\r
1228                                         return current;\r
1229 \r
1230                                 current = current.getParent();\r
1231                         }\r
1232                         return null;\r
1233                 },\r
1234 \r
1235                 getDocumentPosition : function( refDocument )\r
1236                 {\r
1237                         var x = 0, y = 0,\r
1238                                 body = this.getDocument().getBody(),\r
1239                                 quirks = this.getDocument().$.compatMode == 'BackCompat';\r
1240 \r
1241                         var doc = this.getDocument();\r
1242 \r
1243                         if ( document.documentElement[ "getBoundingClientRect" ] )\r
1244                         {\r
1245                                 var box  = this.$.getBoundingClientRect(),\r
1246                                         $doc = doc.$,\r
1247                                         $docElem = $doc.documentElement;\r
1248 \r
1249                                 var clientTop = $docElem.clientTop || body.$.clientTop || 0,\r
1250                                         clientLeft = $docElem.clientLeft || body.$.clientLeft || 0,\r
1251                                         needAdjustScrollAndBorders = true;\r
1252 \r
1253                                 /*\r
1254                                  * #3804: getBoundingClientRect() works differently on IE and non-IE\r
1255                                  * browsers, regarding scroll positions.\r
1256                                  *\r
1257                                  * On IE, the top position of the <html> element is always 0, no matter\r
1258                                  * how much you scrolled down.\r
1259                                  *\r
1260                                  * On other browsers, the top position of the <html> element is negative\r
1261                                  * scrollTop.\r
1262                                  */\r
1263                                 if ( CKEDITOR.env.ie )\r
1264                                 {\r
1265                                         var inDocElem = doc.getDocumentElement().contains( this ),\r
1266                                                 inBody = doc.getBody().contains( this );\r
1267 \r
1268                                         needAdjustScrollAndBorders = ( quirks && inBody ) || ( !quirks && inDocElem );\r
1269                                 }\r
1270 \r
1271                                 if ( needAdjustScrollAndBorders )\r
1272                                 {\r
1273                                         x = box.left + ( !quirks && $docElem.scrollLeft || body.$.scrollLeft );\r
1274                                         x -= clientLeft;\r
1275                                         y = box.top  + ( !quirks && $docElem.scrollTop || body.$.scrollTop );\r
1276                                         y -= clientTop;\r
1277                                 }\r
1278                         }\r
1279                         else\r
1280                         {\r
1281                                 var current = this, previous = null, offsetParent;\r
1282                                 while ( current && !( current.getName() == 'body' || current.getName() == 'html' ) )\r
1283                                 {\r
1284                                         x += current.$.offsetLeft - current.$.scrollLeft;\r
1285                                         y += current.$.offsetTop - current.$.scrollTop;\r
1286 \r
1287                                         // Opera includes clientTop|Left into offsetTop|Left.\r
1288                                         if ( !current.equals( this ) )\r
1289                                         {\r
1290                                                 x += ( current.$.clientLeft || 0 );\r
1291                                                 y += ( current.$.clientTop || 0 );\r
1292                                         }\r
1293 \r
1294                                         var scrollElement = previous;\r
1295                                         while ( scrollElement && !scrollElement.equals( current ) )\r
1296                                         {\r
1297                                                 x -= scrollElement.$.scrollLeft;\r
1298                                                 y -= scrollElement.$.scrollTop;\r
1299                                                 scrollElement = scrollElement.getParent();\r
1300                                         }\r
1301 \r
1302                                         previous = current;\r
1303                                         current = ( offsetParent = current.$.offsetParent ) ?\r
1304                                                   new CKEDITOR.dom.element( offsetParent ) : null;\r
1305                                 }\r
1306                         }\r
1307 \r
1308                         if ( refDocument )\r
1309                         {\r
1310                                 var currentWindow = this.getWindow(),\r
1311                                         refWindow = refDocument.getWindow();\r
1312 \r
1313                                 if ( !currentWindow.equals( refWindow ) && currentWindow.$.frameElement )\r
1314                                 {\r
1315                                         var iframePosition = ( new CKEDITOR.dom.element( currentWindow.$.frameElement ) ).getDocumentPosition( refDocument );\r
1316 \r
1317                                         x += iframePosition.x;\r
1318                                         y += iframePosition.y;\r
1319                                 }\r
1320                         }\r
1321 \r
1322                         if ( !document.documentElement[ "getBoundingClientRect" ] )\r
1323                         {\r
1324                                 // In Firefox, we'll endup one pixel before the element positions,\r
1325                                 // so we must add it here.\r
1326                                 if ( CKEDITOR.env.gecko && !quirks )\r
1327                                 {\r
1328                                         x += this.$.clientLeft ? 1 : 0;\r
1329                                         y += this.$.clientTop ? 1 : 0;\r
1330                                 }\r
1331                         }\r
1332 \r
1333                         return { x : x, y : y };\r
1334                 },\r
1335 \r
1336                 scrollIntoView : function( alignTop )\r
1337                 {\r
1338                         // Get the element window.\r
1339                         var win = this.getWindow(),\r
1340                                 winHeight = win.getViewPaneSize().height;\r
1341 \r
1342                         // Starts from the offset that will be scrolled with the negative value of\r
1343                         // the visible window height.\r
1344                         var offset = winHeight * -1;\r
1345 \r
1346                         // Append the view pane's height if align to top.\r
1347                         // Append element height if we are aligning to the bottom.\r
1348                         if ( alignTop )\r
1349                                 offset += winHeight;\r
1350                         else\r
1351                         {\r
1352                                 offset += this.$.offsetHeight || 0;\r
1353 \r
1354                                 // Consider the margin in the scroll, which is ok for our current needs, but\r
1355                                 // needs investigation if we will be using this function in other places.\r
1356                                 offset += parseInt( this.getComputedStyle( 'marginBottom' ) || 0, 10 ) || 0;\r
1357                         }\r
1358 \r
1359                         // Append the offsets for the entire element hierarchy.\r
1360                         var elementPosition = this.getDocumentPosition();\r
1361                         offset += elementPosition.y;\r
1362 \r
1363                         // offset value might be out of range(nagative), fix it(#3692).\r
1364                         offset = offset < 0 ? 0 : offset;\r
1365 \r
1366                         // Scroll the window to the desired position, if not already visible(#3795).\r
1367                         var currentScroll = win.getScrollPosition().y;\r
1368                         if ( offset > currentScroll || offset < currentScroll - winHeight )\r
1369                                 win.$.scrollTo( 0, offset );\r
1370                 },\r
1371 \r
1372                 setState : function( state )\r
1373                 {\r
1374                         switch ( state )\r
1375                         {\r
1376                                 case CKEDITOR.TRISTATE_ON :\r
1377                                         this.addClass( 'cke_on' );\r
1378                                         this.removeClass( 'cke_off' );\r
1379                                         this.removeClass( 'cke_disabled' );\r
1380                                         break;\r
1381                                 case CKEDITOR.TRISTATE_DISABLED :\r
1382                                         this.addClass( 'cke_disabled' );\r
1383                                         this.removeClass( 'cke_off' );\r
1384                                         this.removeClass( 'cke_on' );\r
1385                                         break;\r
1386                                 default :\r
1387                                         this.addClass( 'cke_off' );\r
1388                                         this.removeClass( 'cke_on' );\r
1389                                         this.removeClass( 'cke_disabled' );\r
1390                                         break;\r
1391                         }\r
1392                 },\r
1393 \r
1394                 /**\r
1395                  * Returns the inner document of this IFRAME element.\r
1396                  * @returns {CKEDITOR.dom.document} The inner document.\r
1397                  */\r
1398                 getFrameDocument : function()\r
1399                 {\r
1400                         var $ = this.$;\r
1401 \r
1402                         try\r
1403                         {\r
1404                                 // In IE, with custom document.domain, it may happen that\r
1405                                 // the iframe is not yet available, resulting in "Access\r
1406                                 // Denied" for the following property access.\r
1407                                 $.contentWindow.document;\r
1408                         }\r
1409                         catch ( e )\r
1410                         {\r
1411                                 // Trick to solve this issue, forcing the iframe to get ready\r
1412                                 // by simply setting its "src" property.\r
1413                                 $.src = $.src;\r
1414 \r
1415                                 // In IE6 though, the above is not enough, so we must pause the\r
1416                                 // execution for a while, giving it time to think.\r
1417                                 if ( CKEDITOR.env.ie && CKEDITOR.env.version < 7 )\r
1418                                 {\r
1419                                         window.showModalDialog(\r
1420                                                 'javascript:document.write("' +\r
1421                                                         '<script>' +\r
1422                                                                 'window.setTimeout(' +\r
1423                                                                         'function(){window.close();}' +\r
1424                                                                         ',50);' +\r
1425                                                         '</script>")' );\r
1426                                 }\r
1427                         }\r
1428 \r
1429                         return $ && new CKEDITOR.dom.document( $.contentWindow.document );\r
1430                 },\r
1431 \r
1432                 /**\r
1433                  * Copy all the attributes from one node to the other, kinda like a clone\r
1434                  * skipAttributes is an object with the attributes that must NOT be copied.\r
1435                  * @param {CKEDITOR.dom.element} dest The destination element.\r
1436                  * @param {Object} skipAttributes A dictionary of attributes to skip.\r
1437                  * @example\r
1438                  */\r
1439                 copyAttributes : function( dest, skipAttributes )\r
1440                 {\r
1441                         var attributes = this.$.attributes;\r
1442                         skipAttributes = skipAttributes || {};\r
1443 \r
1444                         for ( var n = 0 ; n < attributes.length ; n++ )\r
1445                         {\r
1446                                 var attribute = attributes[n];\r
1447 \r
1448                                 // Lowercase attribute name hard rule is broken for\r
1449                                 // some attribute on IE, e.g. CHECKED.\r
1450                                 var attrName = attribute.nodeName.toLowerCase(),\r
1451                                         attrValue;\r
1452 \r
1453                                 // We can set the type only once, so do it with the proper value, not copying it.\r
1454                                 if ( attrName in skipAttributes )\r
1455                                         continue;\r
1456 \r
1457                                 if ( attrName == 'checked' && ( attrValue = this.getAttribute( attrName ) ) )\r
1458                                         dest.setAttribute( attrName, attrValue );\r
1459                                 // IE BUG: value attribute is never specified even if it exists.\r
1460                                 else if ( attribute.specified ||\r
1461                                   ( CKEDITOR.env.ie && attribute.nodeValue && attrName == 'value' ) )\r
1462                                 {\r
1463                                         attrValue = this.getAttribute( attrName );\r
1464                                         if ( attrValue === null )\r
1465                                                 attrValue = attribute.nodeValue;\r
1466 \r
1467                                         dest.setAttribute( attrName, attrValue );\r
1468                                 }\r
1469                         }\r
1470 \r
1471                         // The style:\r
1472                         if ( this.$.style.cssText !== '' )\r
1473                                 dest.$.style.cssText = this.$.style.cssText;\r
1474                 },\r
1475 \r
1476                 /**\r
1477                  * Changes the tag name of the current element.\r
1478                  * @param {String} newTag The new tag for the element.\r
1479                  */\r
1480                 renameNode : function( newTag )\r
1481                 {\r
1482                         // If it's already correct exit here.\r
1483                         if ( this.getName() == newTag )\r
1484                                 return;\r
1485 \r
1486                         var doc = this.getDocument();\r
1487 \r
1488                         // Create the new node.\r
1489                         var newNode = new CKEDITOR.dom.element( newTag, doc );\r
1490 \r
1491                         // Copy all attributes.\r
1492                         this.copyAttributes( newNode );\r
1493 \r
1494                         // Move children to the new node.\r
1495                         this.moveChildren( newNode );\r
1496 \r
1497                         // Replace the node.\r
1498                         this.getParent() && this.$.parentNode.replaceChild( newNode.$, this.$ );\r
1499                         newNode.$[ 'data-cke-expando' ] = this.$[ 'data-cke-expando' ];\r
1500                         this.$ = newNode.$;\r
1501                 },\r
1502 \r
1503                 /**\r
1504                  * Gets a DOM tree descendant under the current node.\r
1505                  * @param {Array|Number} indices The child index or array of child indices under the node.\r
1506                  * @returns {CKEDITOR.dom.node} The specified DOM child under the current node. Null if child does not exist.\r
1507                  * @example\r
1508                  * var strong = p.getChild(0);\r
1509                  */\r
1510                 getChild : function( indices )\r
1511                 {\r
1512                         var rawNode = this.$;\r
1513 \r
1514                         if ( !indices.slice )\r
1515                                 rawNode = rawNode.childNodes[ indices ];\r
1516                         else\r
1517                         {\r
1518                                 while ( indices.length > 0 && rawNode )\r
1519                                         rawNode = rawNode.childNodes[ indices.shift() ];\r
1520                         }\r
1521 \r
1522                         return rawNode ? new CKEDITOR.dom.node( rawNode ) : null;\r
1523                 },\r
1524 \r
1525                 getChildCount : function()\r
1526                 {\r
1527                         return this.$.childNodes.length;\r
1528                 },\r
1529 \r
1530                 disableContextMenu : function()\r
1531                 {\r
1532                         this.on( 'contextmenu', function( event )\r
1533                                 {\r
1534                                         // Cancel the browser context menu.\r
1535                                         if ( !event.data.getTarget().hasClass( 'cke_enable_context_menu' ) )\r
1536                                                 event.data.preventDefault();\r
1537                                 } );\r
1538                 },\r
1539 \r
1540                 /**\r
1541                  * Gets element's direction. Supports both CSS 'direction' prop and 'dir' attr.\r
1542                  */\r
1543                 getDirection : function( useComputed )\r
1544                 {\r
1545                         return useComputed ? this.getComputedStyle( 'direction' ) : this.getStyle( 'direction' ) || this.getAttribute( 'dir' );\r
1546                 },\r
1547 \r
1548                 /**\r
1549                  * Gets, sets and removes custom data to be stored as HTML5 data-* attributes.\r
1550                  * @name CKEDITOR.dom.element.data\r
1551                  * @param {String} name The name of the attribute, execluding the 'data-' part.\r
1552                  * @param {String} [value] The value to set. If set to false, the attribute will be removed.\r
1553                  */\r
1554                 data : function ( name, value )\r
1555                 {\r
1556                         name = 'data-' + name;\r
1557                         if ( value === undefined )\r
1558                                 return this.getAttribute( name );\r
1559                         else if ( value === false )\r
1560                                 this.removeAttribute( name );\r
1561                         else\r
1562                                 this.setAttribute( name, value );\r
1563                 }\r
1564         });\r
1565 \r
1566 ( function()\r
1567 {\r
1568         var sides = {\r
1569                 width : [ "border-left-width", "border-right-width","padding-left", "padding-right" ],\r
1570                 height : [ "border-top-width", "border-bottom-width", "padding-top",  "padding-bottom" ]\r
1571         };\r
1572 \r
1573         function marginAndPaddingSize( type )\r
1574         {\r
1575                 var adjustment = 0;\r
1576                 for ( var i = 0, len = sides[ type ].length; i < len; i++ )\r
1577                         adjustment += parseInt( this.getComputedStyle( sides [ type ][ i ] ) || 0, 10 ) || 0;\r
1578                 return adjustment;\r
1579         }\r
1580 \r
1581         /**\r
1582          * Update the element's size with box model awareness.\r
1583          * @name CKEDITOR.dom.element.setSize\r
1584          * @param {String} type [width|height]\r
1585          * @param {Number} size The length unit in px.\r
1586          * @param isBorderBox Apply the {@param width} and {@param height} based on border box model.\r
1587          */\r
1588         CKEDITOR.dom.element.prototype.setSize = function( type, size, isBorderBox )\r
1589                 {\r
1590                         if ( typeof size == 'number' )\r
1591                         {\r
1592                                 if ( isBorderBox && !( CKEDITOR.env.ie && CKEDITOR.env.quirks ) )\r
1593                                         size -= marginAndPaddingSize.call( this, type );\r
1594 \r
1595                                 this.setStyle( type, size + 'px' );\r
1596                         }\r
1597                 };\r
1598 \r
1599         /**\r
1600          * Get the element's size, possibly with box model awareness.\r
1601          * @name CKEDITOR.dom.element.getSize\r
1602          * @param {String} type [width|height]\r
1603          * @param {Boolean} contentSize Get the {@param width} or {@param height} based on border box model.\r
1604          */\r
1605         CKEDITOR.dom.element.prototype.getSize = function( type, contentSize )\r
1606                 {\r
1607                         var size = Math.max( this.$[ 'offset' + CKEDITOR.tools.capitalize( type )  ],\r
1608                                 this.$[ 'client' + CKEDITOR.tools.capitalize( type )  ] ) || 0;\r
1609 \r
1610                         if ( contentSize )\r
1611                                 size -= marginAndPaddingSize.call( this, type );\r
1612 \r
1613                         return size;\r
1614                 };\r
1615 })();\r