2 Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.
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3 For licensing, see LICENSE.html or http://ckeditor.com/license
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7 * @fileOverview Defines the {@link CKEDITOR.dom.element} class, which
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8 * represents a DOM element.
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12 * Represents a DOM element.
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14 * @augments CKEDITOR.dom.node
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15 * @param {Object|String} element A native DOM element or the element name for
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17 * @param {CKEDITOR.dom.document} [ownerDocument] The document that will contain
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18 * the element in case of element creation.
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20 * // Create a new <span> element.
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21 * var element = new CKEDITOR.dom.element( 'span' );
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23 * // Create an element based on a native DOM element.
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24 * var element = new CKEDITOR.dom.element( document.getElementById( 'myId' ) );
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26 CKEDITOR.dom.element = function( element, ownerDocument )
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28 if ( typeof element == 'string' )
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29 element = ( ownerDocument ? ownerDocument.$ : document ).createElement( element );
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31 // Call the base constructor (we must not call CKEDITOR.dom.node).
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32 CKEDITOR.dom.domObject.call( this, element );
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35 // PACKAGER_RENAME( CKEDITOR.dom.element )
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38 * The the {@link CKEDITOR.dom.element} representing and element. If the
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39 * element is a native DOM element, it will be transformed into a valid
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40 * CKEDITOR.dom.element object.
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41 * @returns {CKEDITOR.dom.element} The transformed element.
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43 * var element = new CKEDITOR.dom.element( 'span' );
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44 * alert( element == <b>CKEDITOR.dom.element.get( element )</b> ); "true"
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46 * var element = document.getElementById( 'myElement' );
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47 * alert( <b>CKEDITOR.dom.element.get( element )</b>.getName() ); e.g. "p"
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49 CKEDITOR.dom.element.get = function( element )
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51 return element && ( element.$ ? element : new CKEDITOR.dom.element( element ) );
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54 CKEDITOR.dom.element.prototype = new CKEDITOR.dom.node();
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57 * Creates an instance of the {@link CKEDITOR.dom.element} class based on the
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58 * HTML representation of an element.
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59 * @param {String} html The element HTML. It should define only one element in
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60 * the "root" level. The "root" element can have child nodes, but not
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62 * @returns {CKEDITOR.dom.element} The element instance.
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64 * var element = <b>CKEDITOR.dom.element.createFromHtml( '<strong class="anyclass">My element</strong>' )</b>;
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65 * alert( element.getName() ); // "strong"
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67 CKEDITOR.dom.element.createFromHtml = function( html, ownerDocument )
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69 var temp = new CKEDITOR.dom.element( 'div', ownerDocument );
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70 temp.setHtml( html );
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72 // When returning the node, remove it from its parent to detach it.
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73 return temp.getFirst().remove();
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76 CKEDITOR.dom.element.setMarker = function( database, element, name, value )
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78 var id = element.getCustomData( 'list_marker_id' ) ||
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79 ( element.setCustomData( 'list_marker_id', CKEDITOR.tools.getNextNumber() ).getCustomData( 'list_marker_id' ) ),
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80 markerNames = element.getCustomData( 'list_marker_names' ) ||
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81 ( element.setCustomData( 'list_marker_names', {} ).getCustomData( 'list_marker_names' ) );
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82 database[id] = element;
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83 markerNames[name] = 1;
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85 return element.setCustomData( name, value );
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88 CKEDITOR.dom.element.clearAllMarkers = function( database )
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90 for ( var i in database )
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91 CKEDITOR.dom.element.clearMarkers( database, database[i], 1 );
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94 CKEDITOR.dom.element.clearMarkers = function( database, element, removeFromDatabase )
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96 var names = element.getCustomData( 'list_marker_names' ),
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97 id = element.getCustomData( 'list_marker_id' );
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98 for ( var i in names )
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99 element.removeCustomData( i );
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100 element.removeCustomData( 'list_marker_names' );
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101 if ( removeFromDatabase )
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103 element.removeCustomData( 'list_marker_id' );
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104 delete database[id];
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108 CKEDITOR.tools.extend( CKEDITOR.dom.element.prototype,
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109 /** @lends CKEDITOR.dom.element.prototype */
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112 * The node type. This is a constant value set to
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113 * {@link CKEDITOR.NODE_ELEMENT}.
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117 type : CKEDITOR.NODE_ELEMENT,
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120 * Adds a CSS class to the element. It appends the class to the
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121 * already existing names.
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122 * @param {String} className The name of the class to be added.
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124 * var element = new CKEDITOR.dom.element( 'div' );
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125 * element.addClass( 'classA' ); // <div class="classA">
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126 * element.addClass( 'classB' ); // <div class="classA classB">
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127 * element.addClass( 'classA' ); // <div class="classA classB">
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129 addClass : function( className )
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131 var c = this.$.className;
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134 var regex = new RegExp( '(?:^|\\s)' + className + '(?:\\s|$)', '' );
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135 if ( !regex.test( c ) )
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136 c += ' ' + className;
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138 this.$.className = c || className;
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142 * Removes a CSS class name from the elements classes. Other classes
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143 * remain untouched.
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144 * @param {String} className The name of the class to remove.
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146 * var element = new CKEDITOR.dom.element( 'div' );
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147 * element.addClass( 'classA' ); // <div class="classA">
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148 * element.addClass( 'classB' ); // <div class="classA classB">
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149 * element.removeClass( 'classA' ); // <div class="classB">
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150 * element.removeClass( 'classB' ); // <div>
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152 removeClass : function( className )
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154 var c = this.getAttribute( 'class' );
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157 var regex = new RegExp( '(?:^|\\s+)' + className + '(?=\\s|$)', 'i' );
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158 if ( regex.test( c ) )
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160 c = c.replace( regex, '' ).replace( /^\s+/, '' );
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163 this.setAttribute( 'class', c );
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165 this.removeAttribute( 'class' );
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170 hasClass : function( className )
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172 var regex = new RegExp( '(?:^|\\s+)' + className + '(?=\\s|$)', '' );
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173 return regex.test( this.getAttribute('class') );
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177 * Append a node as a child of this element.
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178 * @param {CKEDITOR.dom.node|String} node The node or element name to be
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180 * @param {Boolean} [toStart] Indicates that the element is to be
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181 * appended at the start.
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182 * @returns {CKEDITOR.dom.node} The appended node.
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184 * var p = new CKEDITOR.dom.element( 'p' );
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186 * var strong = new CKEDITOR.dom.element( 'strong' );
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187 * <b>p.append( strong );</b>
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189 * var em = <b>p.append( 'em' );</b>
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191 * // result: "<p><strong></strong><em></em></p>"
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193 append : function( node, toStart )
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195 if ( typeof node == 'string' )
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196 node = this.getDocument().createElement( node );
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199 this.$.insertBefore( node.$, this.$.firstChild );
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201 this.$.appendChild( node.$ );
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206 appendHtml : function( html )
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208 if ( !this.$.childNodes.length )
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209 this.setHtml( html );
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212 var temp = new CKEDITOR.dom.element( 'div', this.getDocument() );
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213 temp.setHtml( html );
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214 temp.moveChildren( this );
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219 * Append text to this element.
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220 * @param {String} text The text to be appended.
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221 * @returns {CKEDITOR.dom.node} The appended node.
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223 * var p = new CKEDITOR.dom.element( 'p' );
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224 * p.appendText( 'This is' );
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225 * p.appendText( ' some text' );
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227 * // result: "<p>This is some text</p>"
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229 appendText : function( text )
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231 if ( this.$.text != undefined )
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232 this.$.text += text;
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234 this.append( new CKEDITOR.dom.text( text ) );
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237 appendBogus : function()
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239 var lastChild = this.getLast() ;
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241 // Ignore empty/spaces text.
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242 while ( lastChild && lastChild.type == CKEDITOR.NODE_TEXT && !CKEDITOR.tools.rtrim( lastChild.getText() ) )
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243 lastChild = lastChild.getPrevious();
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244 if ( !lastChild || !lastChild.is || !lastChild.is( 'br' ) )
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246 var bogus = CKEDITOR.env.opera ?
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247 this.getDocument().createText('') :
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248 this.getDocument().createElement( 'br' );
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250 CKEDITOR.env.gecko && bogus.setAttribute( 'type', '_moz' );
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252 this.append( bogus );
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257 * Breaks one of the ancestor element in the element position, moving
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258 * this element between the broken parts.
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259 * @param {CKEDITOR.dom.element} parent The anscestor element to get broken.
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261 * // Before breaking:
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262 * // <b>This <i>is some<span /> sample</i> test text</b>
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263 * // If "element" is <span /> and "parent" is <i>:
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264 * // <b>This <i>is some</i><span /><i> sample</i> test text</b>
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265 * element.breakParent( parent );
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267 * // Before breaking:
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268 * // <b>This <i>is some<span /> sample</i> test text</b>
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269 * // If "element" is <span /> and "parent" is <b>:
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270 * // <b>This <i>is some</i></b><span /><b><i> sample</i> test text</b>
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271 * element.breakParent( parent );
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273 breakParent : function( parent )
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275 var range = new CKEDITOR.dom.range( this.getDocument() );
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277 // We'll be extracting part of this element, so let's use our
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278 // range to get the correct piece.
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279 range.setStartAfter( this );
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280 range.setEndAfter( parent );
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283 var docFrag = range.extractContents();
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285 // Move the element outside the broken element.
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286 range.insertNode( this.remove() );
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288 // Re-insert the extracted piece after the element.
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289 docFrag.insertAfterNode( this );
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293 CKEDITOR.env.ie || CKEDITOR.env.webkit ?
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298 return node.type != CKEDITOR.NODE_ELEMENT ?
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299 $.contains( node.getParent().$ ) :
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300 $ != node.$ && $.contains( node.$ );
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305 return !!( this.$.compareDocumentPosition( node.$ ) & 16 );
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309 * Moves the selection focus to this element.
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311 * @param {Boolean} defer Whether to asynchronously defer the
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312 * execution by 100 ms.
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314 * var element = CKEDITOR.document.getById( 'myTextarea' );
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315 * <b>element.focus()</b>;
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317 focus : ( function()
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321 // IE throws error if the element is not visible.
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330 return function( defer )
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333 CKEDITOR.tools.setTimeout( exec, 100, this );
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340 * Gets the inner HTML of this element.
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341 * @returns {String} The inner HTML of this element.
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343 * var element = CKEDITOR.dom.element.createFromHtml( '<div><b>Example</b></div>' );
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344 * alert( <b>p.getHtml()</b> ); // "<b>Example</b>"
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346 getHtml : function()
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348 var retval = this.$.innerHTML;
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349 // Strip <?xml:namespace> tags in IE. (#3341).
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350 return CKEDITOR.env.ie ? retval.replace( /<\?[^>]*>/g, '' ) : retval;
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353 getOuterHtml : function()
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355 if ( this.$.outerHTML )
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357 // IE includes the <?xml:namespace> tag in the outerHTML of
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358 // namespaced element. So, we must strip it here. (#3341)
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359 return this.$.outerHTML.replace( /<\?[^>]*>/, '' );
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362 var tmpDiv = this.$.ownerDocument.createElement( 'div' );
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363 tmpDiv.appendChild( this.$.cloneNode( true ) );
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364 return tmpDiv.innerHTML;
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368 * Sets the inner HTML of this element.
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369 * @param {String} html The HTML to be set for this element.
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370 * @returns {String} The inserted HTML.
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372 * var p = new CKEDITOR.dom.element( 'p' );
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373 * <b>p.setHtml( '<b>Inner</b> HTML' );</b>
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375 * // result: "<p><b>Inner</b> HTML</p>"
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377 setHtml : function( html )
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379 return ( this.$.innerHTML = html );
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383 * Sets the element contents as plain text.
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384 * @param {String} text The text to be set.
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385 * @returns {String} The inserted text.
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387 * var element = new CKEDITOR.dom.element( 'div' );
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388 * element.setText( 'A > B & C < D' );
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389 * alert( element.innerHTML ); // "A &gt; B &amp; C &lt; D"
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391 setText : function( text )
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393 CKEDITOR.dom.element.prototype.setText = ( this.$.innerText != undefined ) ?
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396 return this.$.innerText = text;
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400 return this.$.textContent = text;
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403 return this.setText( text );
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407 * Gets the value of an element attribute.
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409 * @param {String} name The attribute name.
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410 * @returns {String} The attribute value or null if not defined.
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412 * var element = CKEDITOR.dom.element.createFromHtml( '<input type="text" />' );
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413 * alert( <b>element.getAttribute( 'type' )</b> ); // "text"
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415 getAttribute : (function()
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417 var standard = function( name )
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419 return this.$.getAttribute( name, 2 );
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422 if ( CKEDITOR.env.ie && ( CKEDITOR.env.ie7Compat || CKEDITOR.env.ie6Compat ) )
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424 return function( name )
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429 name = 'className';
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433 name = 'httpEquiv';
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437 return this.$.name;
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440 var tabIndex = standard.call( this, name );
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442 // IE returns tabIndex=0 by default for all
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443 // elements. For those elements,
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444 // getAtrribute( 'tabindex', 2 ) returns 32768
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445 // instead. So, we must make this check to give a
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446 // uniform result among all browsers.
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447 if ( tabIndex !== 0 && this.$.tabIndex === 0 )
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455 var attr = this.$.attributes.getNamedItem( name ),
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456 attrValue = attr.specified ? attr.nodeValue // For value given by parser.
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457 : this.$.checked; // For value created via DOM interface.
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459 return attrValue ? 'checked' : null;
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464 return this.$[ name ];
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467 // IE does not return inline styles via getAttribute(). See #2947.
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468 return this.$.style.cssText;
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471 return standard.call( this, name );
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478 getChildren : function()
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480 return new CKEDITOR.dom.nodeList( this.$.childNodes );
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484 * Gets the current computed value of one of the element CSS style
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487 * @param {String} propertyName The style property name.
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488 * @returns {String} The property value.
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490 * var element = new CKEDITOR.dom.element( 'span' );
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491 * alert( <b>element.getComputedStyle( 'display' )</b> ); // "inline"
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495 function( propertyName )
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497 return this.$.currentStyle[ CKEDITOR.tools.cssStyleToDomStyle( propertyName ) ];
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500 function( propertyName )
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502 return this.getWindow().$.getComputedStyle( this.$, '' ).getPropertyValue( propertyName );
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506 * Gets the DTD entries for this element.
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507 * @returns {Object} An object containing the list of elements accepted
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510 getDtd : function()
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512 var dtd = CKEDITOR.dtd[ this.getName() ];
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514 this.getDtd = function()
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522 getElementsByTag : CKEDITOR.dom.document.prototype.getElementsByTag,
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525 * Gets the computed tabindex for this element.
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527 * @returns {Number} The tabindex value.
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529 * var element = CKEDITOR.document.getById( 'myDiv' );
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530 * alert( <b>element.getTabIndex()</b> ); // e.g. "-1"
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536 var tabIndex = this.$.tabIndex;
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538 // IE returns tabIndex=0 by default for all elements. In
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539 // those cases we must check that the element really has
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540 // the tabindex attribute set to zero, or it is one of
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541 // those element that should have zero by default.
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542 if ( tabIndex === 0 && !CKEDITOR.dtd.$tabIndex[ this.getName() ] && parseInt( this.getAttribute( 'tabindex' ), 10 ) !== 0 )
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547 : CKEDITOR.env.webkit ?
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550 var tabIndex = this.$.tabIndex;
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552 // Safari returns "undefined" for elements that should not
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553 // have tabindex (like a div). So, we must try to get it
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554 // from the attribute.
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555 // https://bugs.webkit.org/show_bug.cgi?id=20596
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556 if ( tabIndex == undefined )
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558 tabIndex = parseInt( this.getAttribute( 'tabindex' ), 10 );
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560 // If the element don't have the tabindex attribute,
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561 // then we should return -1.
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562 if ( isNaN( tabIndex ) )
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571 return this.$.tabIndex;
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575 * Gets the text value of this element.
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577 * Only in IE (which uses innerText), <br> will cause linebreaks,
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578 * and sucessive whitespaces (including line breaks) will be reduced to
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579 * a single space. This behavior is ok for us, for now. It may change
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581 * @returns {String} The text value.
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583 * var element = CKEDITOR.dom.element.createFromHtml( '<div>Same <i>text</i>.</div>' );
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584 * alert( <b>element.getText()</b> ); // "Sample text."
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586 getText : function()
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588 return this.$.textContent || this.$.innerText || '';
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592 * Gets the window object that contains this element.
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593 * @returns {CKEDITOR.dom.window} The window object.
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596 getWindow : function()
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598 return this.getDocument().getWindow();
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602 * Gets the value of the "id" attribute of this element.
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603 * @returns {String} The element id, or null if not available.
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605 * var element = CKEDITOR.dom.element.createFromHtml( '<p id="myId"></p>' );
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606 * alert( <b>element.getId()</b> ); // "myId"
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610 return this.$.id || null;
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614 * Gets the value of the "name" attribute of this element.
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615 * @returns {String} The element name, or null if not available.
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617 * var element = CKEDITOR.dom.element.createFromHtml( '<input name="myName"></input>' );
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618 * alert( <b>element.getNameAtt()</b> ); // "myName"
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620 getNameAtt : function()
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622 return this.$.name || null;
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626 * Gets the element name (tag name). The returned name is guaranteed to
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627 * be always full lowercased.
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628 * @returns {String} The element name.
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630 * var element = new CKEDITOR.dom.element( 'span' );
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631 * alert( <b>element.getName()</b> ); // "span"
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633 getName : function()
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635 // Cache the lowercased name inside a closure.
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636 var nodeName = this.$.nodeName.toLowerCase();
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638 if ( CKEDITOR.env.ie && ! ( document.documentMode > 8 ) )
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640 var scopeName = this.$.scopeName;
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641 if ( scopeName != 'HTML' )
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642 nodeName = scopeName.toLowerCase() + ':' + nodeName;
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646 this.getName = function()
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653 * Gets the value set to this element. This value is usually available
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654 * for form field elements.
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655 * @returns {String} The element value.
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657 getValue : function()
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659 return this.$.value;
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663 * Gets the first child node of this element.
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664 * @param {Function} evaluator Filtering the result node.
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665 * @returns {CKEDITOR.dom.node} The first child node or null if not
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668 * var element = CKEDITOR.dom.element.createFromHtml( '<div><b>Example</b></div>' );
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669 * var first = <b>element.getFirst()</b>;
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670 * alert( first.getName() ); // "b"
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672 getFirst : function( evaluator )
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674 var first = this.$.firstChild,
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675 retval = first && new CKEDITOR.dom.node( first );
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676 if ( retval && evaluator && !evaluator( retval ) )
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677 retval = retval.getNext( evaluator );
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683 * @param {Function} evaluator Filtering the result node.
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685 getLast : function( evaluator )
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687 var last = this.$.lastChild,
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688 retval = last && new CKEDITOR.dom.node( last );
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689 if ( retval && evaluator && !evaluator( retval ) )
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690 retval = retval.getPrevious( evaluator );
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695 getStyle : function( name )
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697 return this.$.style[ CKEDITOR.tools.cssStyleToDomStyle( name ) ];
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701 * Checks if the element name matches one or more names.
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702 * @param {String} name[,name[,...]] One or more names to be checked.
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703 * @returns {Boolean} true if the element name matches any of the names.
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705 * var element = new CKEDITOR.element( 'span' );
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706 * alert( <b>element.is( 'span' )</b> ); "true"
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707 * alert( <b>element.is( 'p', 'span' )</b> ); "true"
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708 * alert( <b>element.is( 'p' )</b> ); "false"
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709 * alert( <b>element.is( 'p', 'div' )</b> ); "false"
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713 var name = this.getName();
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714 for ( var i = 0 ; i < arguments.length ; i++ )
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716 if ( arguments[ i ] == name )
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723 * Decide whether one element is able to receive cursor.
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724 * @param {Boolean} [textCursor=true] Only consider element that could receive text child.
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726 isEditable : function( textCursor )
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728 var name = this.getName();
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730 if ( this.isReadOnly()
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731 || this.getComputedStyle( 'display' ) == 'none'
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732 || this.getComputedStyle( 'visibility' ) == 'hidden'
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733 || CKEDITOR.dtd.$nonEditable[ name ] )
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738 if ( textCursor !== false )
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740 // Get the element DTD (defaults to span for unknown elements).
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741 var dtd = CKEDITOR.dtd[ name ] || CKEDITOR.dtd.span;
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742 // In the DTD # == text node.
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743 return ( dtd && dtd[ '#'] );
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749 isIdentical : function( otherElement )
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751 if ( this.getName() != otherElement.getName() )
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754 var thisAttribs = this.$.attributes,
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755 otherAttribs = otherElement.$.attributes;
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757 var thisLength = thisAttribs.length,
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758 otherLength = otherAttribs.length;
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760 for ( var i = 0 ; i < thisLength ; i++ )
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762 var attribute = thisAttribs[ i ];
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764 if ( attribute.nodeName == '_moz_dirty' )
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767 if ( ( !CKEDITOR.env.ie || ( attribute.specified && attribute.nodeName != 'data-cke-expando' ) ) && attribute.nodeValue != otherElement.getAttribute( attribute.nodeName ) )
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771 // For IE, we have to for both elements, because it's difficult to
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772 // know how the atttibutes collection is organized in its DOM.
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773 if ( CKEDITOR.env.ie )
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775 for ( i = 0 ; i < otherLength ; i++ )
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777 attribute = otherAttribs[ i ];
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778 if ( attribute.specified && attribute.nodeName != 'data-cke-expando'
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779 && attribute.nodeValue != this.getAttribute( attribute.nodeName ) )
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788 * Checks if this element is visible. May not work if the element is
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789 * child of an element with visibility set to "hidden", but works well
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790 * on the great majority of cases.
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791 * @return {Boolean} True if the element is visible.
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793 isVisible : function()
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795 var isVisible = ( this.$.offsetHeight || this.$.offsetWidth ) && this.getComputedStyle( 'visibility' ) != 'hidden',
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797 elementWindowFrame;
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799 // Webkit and Opera report non-zero offsetHeight despite that
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800 // element is inside an invisible iframe. (#4542)
\r
801 if ( isVisible && ( CKEDITOR.env.webkit || CKEDITOR.env.opera ) )
\r
803 elementWindow = this.getWindow();
\r
805 if ( !elementWindow.equals( CKEDITOR.document.getWindow() )
\r
806 && ( elementWindowFrame = elementWindow.$.frameElement ) )
\r
808 isVisible = new CKEDITOR.dom.element( elementWindowFrame ).isVisible();
\r
812 return !!isVisible;
\r
816 * Whether it's an empty inline elements which has no visual impact when removed.
\r
818 isEmptyInlineRemoveable : function()
\r
820 if ( !CKEDITOR.dtd.$removeEmpty[ this.getName() ] )
\r
823 var children = this.getChildren();
\r
824 for ( var i = 0, count = children.count(); i < count; i++ )
\r
826 var child = children.getItem( i );
\r
828 if ( child.type == CKEDITOR.NODE_ELEMENT && child.data( 'cke-bookmark' ) )
\r
831 if ( child.type == CKEDITOR.NODE_ELEMENT && !child.isEmptyInlineRemoveable()
\r
832 || child.type == CKEDITOR.NODE_TEXT && CKEDITOR.tools.trim( child.getText() ) )
\r
841 * Checks if the element has any defined attributes.
\r
843 * @returns {Boolean} True if the element has attributes.
\r
845 * var element = CKEDITOR.dom.element.createFromHtml( '<div title="Test">Example</div>' );
\r
846 * alert( <b>element.hasAttributes()</b> ); // "true"
\r
848 * var element = CKEDITOR.dom.element.createFromHtml( '<div>Example</div>' );
\r
849 * alert( <b>element.hasAttributes()</b> ); // "false"
\r
852 CKEDITOR.env.ie && ( CKEDITOR.env.ie7Compat || CKEDITOR.env.ie6Compat ) ?
\r
855 var attributes = this.$.attributes;
\r
857 for ( var i = 0 ; i < attributes.length ; i++ )
\r
859 var attribute = attributes[i];
\r
861 switch ( attribute.nodeName )
\r
864 // IE has a strange bug. If calling removeAttribute('className'),
\r
865 // the attributes collection will still contain the "class"
\r
866 // attribute, which will be marked as "specified", even if the
\r
867 // outerHTML of the element is not displaying the class attribute.
\r
868 // Note : I was not able to reproduce it outside the editor,
\r
869 // but I've faced it while working on the TC of #1391.
\r
870 if ( this.getAttribute( 'class' ) )
\r
873 // Attributes to be ignored.
\r
874 case 'data-cke-expando' :
\r
880 if ( attribute.specified )
\r
890 var attrs = this.$.attributes,
\r
891 attrsNum = attrs.length;
\r
893 // The _moz_dirty attribute might get into the element after pasting (#5455)
\r
894 var execludeAttrs = { 'data-cke-expando' : 1, _moz_dirty : 1 };
\r
896 return attrsNum > 0 &&
\r
898 !execludeAttrs[ attrs[0].nodeName ] ||
\r
899 ( attrsNum == 2 && !execludeAttrs[ attrs[1].nodeName ] ) );
\r
903 * Checks if the specified attribute is defined for this element.
\r
904 * @returns {Boolean} True if the specified attribute is defined.
\r
905 * @param {String} name The attribute name.
\r
908 hasAttribute : (function()
\r
910 function standard( name )
\r
912 var $attr = this.$.attributes.getNamedItem( name );
\r
913 return !!( $attr && $attr.specified );
\r
916 return ( CKEDITOR.env.ie && CKEDITOR.env.version < 8 ) ?
\r
919 // On IE < 8 the name attribute cannot be retrieved
\r
920 // right after the element creation and setting the
\r
921 // name with setAttribute.
\r
922 if ( name == 'name' )
\r
923 return !!this.$.name;
\r
925 return standard.call( this, name );
\r
932 * Hides this element (display:none).
\r
934 * var element = CKEDITOR.dom.element.getById( 'myElement' );
\r
935 * <b>element.hide()</b>;
\r
939 this.setStyle( 'display', 'none' );
\r
942 moveChildren : function( target, toStart )
\r
954 while ( ( child = $.lastChild ) )
\r
955 target.insertBefore( $.removeChild( child ), target.firstChild );
\r
959 while ( ( child = $.firstChild ) )
\r
960 target.appendChild( $.removeChild( child ) );
\r
965 * Merges sibling elements that are identical to this one.<br>
\r
967 * Identical child elements are also merged. For example:<br>
\r
968 * <b><i></i></b><b><i></i></b> => <b><i></i></b>
\r
970 * @param {Boolean} [inlineOnly] Allow only inline elements to be merged. Defaults to "true".
\r
972 mergeSiblings : ( function()
\r
974 function mergeElements( element, sibling, isNext )
\r
976 if ( sibling && sibling.type == CKEDITOR.NODE_ELEMENT )
\r
978 // Jumping over bookmark nodes and empty inline elements, e.g. <b><i></i></b>,
\r
979 // queuing them to be moved later. (#5567)
\r
980 var pendingNodes = [];
\r
982 while ( sibling.data( 'cke-bookmark' )
\r
983 || sibling.isEmptyInlineRemoveable() )
\r
985 pendingNodes.push( sibling );
\r
986 sibling = isNext ? sibling.getNext() : sibling.getPrevious();
\r
987 if ( !sibling || sibling.type != CKEDITOR.NODE_ELEMENT )
\r
991 if ( element.isIdentical( sibling ) )
\r
993 // Save the last child to be checked too, to merge things like
\r
994 // <b><i></i></b><b><i></i></b> => <b><i></i></b>
\r
995 var innerSibling = isNext ? element.getLast() : element.getFirst();
\r
997 // Move pending nodes first into the target element.
\r
998 while( pendingNodes.length )
\r
999 pendingNodes.shift().move( element, !isNext );
\r
1001 sibling.moveChildren( element, !isNext );
\r
1004 // Now check the last inner child (see two comments above).
\r
1005 if ( innerSibling && innerSibling.type == CKEDITOR.NODE_ELEMENT )
\r
1006 innerSibling.mergeSiblings();
\r
1011 return function( inlineOnly )
\r
1013 if ( ! ( inlineOnly === false
\r
1014 || CKEDITOR.dtd.$removeEmpty[ this.getName() ]
\r
1015 || this.is( 'a' ) ) ) // Merge empty links and anchors also. (#5567)
\r
1020 mergeElements( this, this.getNext(), true );
\r
1021 mergeElements( this, this.getPrevious() );
\r
1026 * Shows this element (display it).
\r
1028 * var element = CKEDITOR.dom.element.getById( 'myElement' );
\r
1029 * <b>element.show()</b>;
\r
1041 * Sets the value of an element attribute.
\r
1042 * @param {String} name The name of the attribute.
\r
1043 * @param {String} value The value to be set to the attribute.
\r
1045 * @returns {CKEDITOR.dom.element} This element instance.
\r
1047 * var element = CKEDITOR.dom.element.getById( 'myElement' );
\r
1048 * <b>element.setAttribute( 'class', 'myClass' )</b>;
\r
1049 * <b>element.setAttribute( 'title', 'This is an example' )</b>;
\r
1051 setAttribute : (function()
\r
1053 var standard = function( name, value )
\r
1055 this.$.setAttribute( name, value );
\r
1059 if ( CKEDITOR.env.ie && ( CKEDITOR.env.ie7Compat || CKEDITOR.env.ie6Compat ) )
\r
1061 return function( name, value )
\r
1063 if ( name == 'class' )
\r
1064 this.$.className = value;
\r
1065 else if ( name == 'style' )
\r
1066 this.$.style.cssText = value;
\r
1067 else if ( name == 'tabindex' ) // Case sensitive.
\r
1068 this.$.tabIndex = value;
\r
1069 else if ( name == 'checked' )
\r
1070 this.$.checked = value;
\r
1072 standard.apply( this, arguments );
\r
1076 else if ( CKEDITOR.env.ie8Compat && CKEDITOR.env.secure )
\r
1078 return function( name, value )
\r
1080 // IE8 throws error when setting src attribute to non-ssl value. (#7847)
\r
1081 if ( name == 'src' && value.match( /^http:\/\// ) )
\r
1082 try { standard.apply( this, arguments ); } catch( e ){}
\r
1084 standard.apply( this, arguments );
\r
1093 * Sets the value of several element attributes.
\r
1094 * @param {Object} attributesPairs An object containing the names and
\r
1095 * values of the attributes.
\r
1096 * @returns {CKEDITOR.dom.element} This element instance.
\r
1098 * var element = CKEDITOR.dom.element.getById( 'myElement' );
\r
1099 * <b>element.setAttributes({
\r
1100 * 'class' : 'myClass',
\r
1101 * 'title' : 'This is an example' })</b>;
\r
1103 setAttributes : function( attributesPairs )
\r
1105 for ( var name in attributesPairs )
\r
1106 this.setAttribute( name, attributesPairs[ name ] );
\r
1111 * Sets the element value. This function is usually used with form
\r
1113 * @param {String} value The element value.
\r
1114 * @returns {CKEDITOR.dom.element} This element instance.
\r
1116 setValue : function( value )
\r
1118 this.$.value = value;
\r
1123 * Removes an attribute from the element.
\r
1124 * @param {String} name The attribute name.
\r
1127 * var element = CKEDITOR.dom.element.createFromHtml( '<div class="classA"></div>' );
\r
1128 * element.removeAttribute( 'class' );
\r
1130 removeAttribute : (function()
\r
1132 var standard = function( name )
\r
1134 this.$.removeAttribute( name );
\r
1137 if ( CKEDITOR.env.ie && ( CKEDITOR.env.ie7Compat || CKEDITOR.env.ie6Compat ) )
\r
1139 return function( name )
\r
1141 if ( name == 'class' )
\r
1142 name = 'className';
\r
1143 else if ( name == 'tabindex' )
\r
1144 name = 'tabIndex';
\r
1145 standard.call( this, name );
\r
1152 removeAttributes : function ( attributes )
\r
1154 if ( CKEDITOR.tools.isArray( attributes ) )
\r
1156 for ( var i = 0 ; i < attributes.length ; i++ )
\r
1157 this.removeAttribute( attributes[ i ] );
\r
1161 for ( var attr in attributes )
\r
1162 attributes.hasOwnProperty( attr ) && this.removeAttribute( attr );
\r
1167 * Removes a style from the element.
\r
1168 * @param {String} name The style name.
\r
1171 * var element = CKEDITOR.dom.element.createFromHtml( '<div style="display:none"></div>' );
\r
1172 * element.removeStyle( 'display' );
\r
1174 removeStyle : function( name )
\r
1176 this.setStyle( name, '' );
\r
1177 if ( this.$.style.removeAttribute )
\r
1178 this.$.style.removeAttribute( CKEDITOR.tools.cssStyleToDomStyle( name ) );
\r
1180 if ( !this.$.style.cssText )
\r
1181 this.removeAttribute( 'style' );
\r
1185 * Sets the value of an element style.
\r
1186 * @param {String} name The name of the style. The CSS naming notation
\r
1187 * must be used (e.g. "background-color").
\r
1188 * @param {String} value The value to be set to the style.
\r
1189 * @returns {CKEDITOR.dom.element} This element instance.
\r
1191 * var element = CKEDITOR.dom.element.getById( 'myElement' );
\r
1192 * <b>element.setStyle( 'background-color', '#ff0000' )</b>;
\r
1193 * <b>element.setStyle( 'margin-top', '10px' )</b>;
\r
1194 * <b>element.setStyle( 'float', 'right' )</b>;
\r
1196 setStyle : function( name, value )
\r
1198 this.$.style[ CKEDITOR.tools.cssStyleToDomStyle( name ) ] = value;
\r
1203 * Sets the value of several element styles.
\r
1204 * @param {Object} stylesPairs An object containing the names and
\r
1205 * values of the styles.
\r
1206 * @returns {CKEDITOR.dom.element} This element instance.
\r
1208 * var element = CKEDITOR.dom.element.getById( 'myElement' );
\r
1209 * <b>element.setStyles({
\r
1210 * 'position' : 'absolute',
\r
1211 * 'float' : 'right' })</b>;
\r
1213 setStyles : function( stylesPairs )
\r
1215 for ( var name in stylesPairs )
\r
1216 this.setStyle( name, stylesPairs[ name ] );
\r
1221 * Sets the opacity of an element.
\r
1222 * @param {Number} opacity A number within the range [0.0, 1.0].
\r
1224 * var element = CKEDITOR.dom.element.getById( 'myElement' );
\r
1225 * <b>element.setOpacity( 0.75 )</b>;
\r
1227 setOpacity : function( opacity )
\r
1229 if ( CKEDITOR.env.ie )
\r
1231 opacity = Math.round( opacity * 100 );
\r
1232 this.setStyle( 'filter', opacity >= 100 ? '' : 'progid:DXImageTransform.Microsoft.Alpha(opacity=' + opacity + ')' );
\r
1235 this.setStyle( 'opacity', opacity );
\r
1239 * Makes the element and its children unselectable.
\r
1242 * var element = CKEDITOR.dom.element.getById( 'myElement' );
\r
1243 * element.unselectable();
\r
1246 CKEDITOR.env.gecko ?
\r
1249 this.$.style.MozUserSelect = 'none';
\r
1250 this.on( 'dragstart', function( evt ) { evt.data.preventDefault(); } );
\r
1252 : CKEDITOR.env.webkit ?
\r
1255 this.$.style.KhtmlUserSelect = 'none';
\r
1256 this.on( 'dragstart', function( evt ) { evt.data.preventDefault(); } );
\r
1261 if ( CKEDITOR.env.ie || CKEDITOR.env.opera )
\r
1263 var element = this.$,
\r
1267 element.unselectable = 'on';
\r
1269 while ( ( e = element.all[ i++ ] ) )
\r
1271 switch ( e.tagName.toLowerCase() )
\r
1277 /* Ignore the above tags */
\r
1280 e.unselectable = 'on';
\r
1286 getPositionedAncestor : function()
\r
1288 var current = this;
\r
1289 while ( current.getName() != 'html' )
\r
1291 if ( current.getComputedStyle( 'position' ) != 'static' )
\r
1294 current = current.getParent();
\r
1299 getDocumentPosition : function( refDocument )
\r
1302 doc = this.getDocument(),
\r
1303 body = doc.getBody(),
\r
1304 quirks = doc.$.compatMode == 'BackCompat';
\r
1306 if ( document.documentElement[ "getBoundingClientRect" ] )
\r
1308 var box = this.$.getBoundingClientRect(),
\r
1310 $docElem = $doc.documentElement;
\r
1312 var clientTop = $docElem.clientTop || body.$.clientTop || 0,
\r
1313 clientLeft = $docElem.clientLeft || body.$.clientLeft || 0,
\r
1314 needAdjustScrollAndBorders = true;
\r
1317 * #3804: getBoundingClientRect() works differently on IE and non-IE
\r
1318 * browsers, regarding scroll positions.
\r
1320 * On IE, the top position of the <html> element is always 0, no matter
\r
1321 * how much you scrolled down.
\r
1323 * On other browsers, the top position of the <html> element is negative
\r
1326 if ( CKEDITOR.env.ie )
\r
1328 var inDocElem = doc.getDocumentElement().contains( this ),
\r
1329 inBody = doc.getBody().contains( this );
\r
1331 needAdjustScrollAndBorders = ( quirks && inBody ) || ( !quirks && inDocElem );
\r
1334 if ( needAdjustScrollAndBorders )
\r
1336 x = box.left + ( !quirks && $docElem.scrollLeft || body.$.scrollLeft );
\r
1338 y = box.top + ( !quirks && $docElem.scrollTop || body.$.scrollTop );
\r
1344 var current = this, previous = null, offsetParent;
\r
1345 while ( current && !( current.getName() == 'body' || current.getName() == 'html' ) )
\r
1347 x += current.$.offsetLeft - current.$.scrollLeft;
\r
1348 y += current.$.offsetTop - current.$.scrollTop;
\r
1350 // Opera includes clientTop|Left into offsetTop|Left.
\r
1351 if ( !current.equals( this ) )
\r
1353 x += ( current.$.clientLeft || 0 );
\r
1354 y += ( current.$.clientTop || 0 );
\r
1357 var scrollElement = previous;
\r
1358 while ( scrollElement && !scrollElement.equals( current ) )
\r
1360 x -= scrollElement.$.scrollLeft;
\r
1361 y -= scrollElement.$.scrollTop;
\r
1362 scrollElement = scrollElement.getParent();
\r
1365 previous = current;
\r
1366 current = ( offsetParent = current.$.offsetParent ) ?
\r
1367 new CKEDITOR.dom.element( offsetParent ) : null;
\r
1371 if ( refDocument )
\r
1373 var currentWindow = this.getWindow(),
\r
1374 refWindow = refDocument.getWindow();
\r
1376 if ( !currentWindow.equals( refWindow ) && currentWindow.$.frameElement )
\r
1378 var iframePosition = ( new CKEDITOR.dom.element( currentWindow.$.frameElement ) ).getDocumentPosition( refDocument );
\r
1380 x += iframePosition.x;
\r
1381 y += iframePosition.y;
\r
1385 if ( !document.documentElement[ "getBoundingClientRect" ] )
\r
1387 // In Firefox, we'll endup one pixel before the element positions,
\r
1388 // so we must add it here.
\r
1389 if ( CKEDITOR.env.gecko && !quirks )
\r
1391 x += this.$.clientLeft ? 1 : 0;
\r
1392 y += this.$.clientTop ? 1 : 0;
\r
1396 return { x : x, y : y };
\r
1399 scrollIntoView : function( alignTop )
\r
1401 // Get the element window.
\r
1402 var win = this.getWindow(),
\r
1403 winHeight = win.getViewPaneSize().height;
\r
1405 // Starts from the offset that will be scrolled with the negative value of
\r
1406 // the visible window height.
\r
1407 var offset = winHeight * -1;
\r
1409 // Append the view pane's height if align to top.
\r
1410 // Append element height if we are aligning to the bottom.
\r
1412 offset += winHeight;
\r
1415 offset += this.$.offsetHeight || 0;
\r
1417 // Consider the margin in the scroll, which is ok for our current needs, but
\r
1418 // needs investigation if we will be using this function in other places.
\r
1419 offset += parseInt( this.getComputedStyle( 'marginBottom' ) || 0, 10 ) || 0;
\r
1422 // Append the offsets for the entire element hierarchy.
\r
1423 var elementPosition = this.getDocumentPosition();
\r
1424 offset += elementPosition.y;
\r
1426 // offset value might be out of range(nagative), fix it(#3692).
\r
1427 offset = offset < 0 ? 0 : offset;
\r
1429 // Scroll the window to the desired position, if not already visible(#3795).
\r
1430 var currentScroll = win.getScrollPosition().y;
\r
1431 if ( offset > currentScroll || offset < currentScroll - winHeight )
\r
1432 win.$.scrollTo( 0, offset );
\r
1435 setState : function( state )
\r
1439 case CKEDITOR.TRISTATE_ON :
\r
1440 this.addClass( 'cke_on' );
\r
1441 this.removeClass( 'cke_off' );
\r
1442 this.removeClass( 'cke_disabled' );
\r
1444 case CKEDITOR.TRISTATE_DISABLED :
\r
1445 this.addClass( 'cke_disabled' );
\r
1446 this.removeClass( 'cke_off' );
\r
1447 this.removeClass( 'cke_on' );
\r
1450 this.addClass( 'cke_off' );
\r
1451 this.removeClass( 'cke_on' );
\r
1452 this.removeClass( 'cke_disabled' );
\r
1458 * Returns the inner document of this IFRAME element.
\r
1459 * @returns {CKEDITOR.dom.document} The inner document.
\r
1461 getFrameDocument : function()
\r
1467 // In IE, with custom document.domain, it may happen that
\r
1468 // the iframe is not yet available, resulting in "Access
\r
1469 // Denied" for the following property access.
\r
1470 $.contentWindow.document;
\r
1474 // Trick to solve this issue, forcing the iframe to get ready
\r
1475 // by simply setting its "src" property.
\r
1478 // In IE6 though, the above is not enough, so we must pause the
\r
1479 // execution for a while, giving it time to think.
\r
1480 if ( CKEDITOR.env.ie && CKEDITOR.env.version < 7 )
\r
1482 window.showModalDialog(
\r
1483 'javascript:document.write("' +
\r
1485 'window.setTimeout(' +
\r
1486 'function(){window.close();}' +
\r
1492 return $ && new CKEDITOR.dom.document( $.contentWindow.document );
\r
1496 * Copy all the attributes from one node to the other, kinda like a clone
\r
1497 * skipAttributes is an object with the attributes that must NOT be copied.
\r
1498 * @param {CKEDITOR.dom.element} dest The destination element.
\r
1499 * @param {Object} skipAttributes A dictionary of attributes to skip.
\r
1502 copyAttributes : function( dest, skipAttributes )
\r
1504 var attributes = this.$.attributes;
\r
1505 skipAttributes = skipAttributes || {};
\r
1507 for ( var n = 0 ; n < attributes.length ; n++ )
\r
1509 var attribute = attributes[n];
\r
1511 // Lowercase attribute name hard rule is broken for
\r
1512 // some attribute on IE, e.g. CHECKED.
\r
1513 var attrName = attribute.nodeName.toLowerCase(),
\r
1516 // We can set the type only once, so do it with the proper value, not copying it.
\r
1517 if ( attrName in skipAttributes )
\r
1520 if ( attrName == 'checked' && ( attrValue = this.getAttribute( attrName ) ) )
\r
1521 dest.setAttribute( attrName, attrValue );
\r
1522 // IE BUG: value attribute is never specified even if it exists.
\r
1523 else if ( attribute.specified ||
\r
1524 ( CKEDITOR.env.ie && attribute.nodeValue && attrName == 'value' ) )
\r
1526 attrValue = this.getAttribute( attrName );
\r
1527 if ( attrValue === null )
\r
1528 attrValue = attribute.nodeValue;
\r
1530 dest.setAttribute( attrName, attrValue );
\r
1535 if ( this.$.style.cssText !== '' )
\r
1536 dest.$.style.cssText = this.$.style.cssText;
\r
1540 * Changes the tag name of the current element.
\r
1541 * @param {String} newTag The new tag for the element.
\r
1543 renameNode : function( newTag )
\r
1545 // If it's already correct exit here.
\r
1546 if ( this.getName() == newTag )
\r
1549 var doc = this.getDocument();
\r
1551 // Create the new node.
\r
1552 var newNode = new CKEDITOR.dom.element( newTag, doc );
\r
1554 // Copy all attributes.
\r
1555 this.copyAttributes( newNode );
\r
1557 // Move children to the new node.
\r
1558 this.moveChildren( newNode );
\r
1560 // Replace the node.
\r
1561 this.getParent() && this.$.parentNode.replaceChild( newNode.$, this.$ );
\r
1562 newNode.$[ 'data-cke-expando' ] = this.$[ 'data-cke-expando' ];
\r
1563 this.$ = newNode.$;
\r
1567 * Gets a DOM tree descendant under the current node.
\r
1568 * @param {Array|Number} indices The child index or array of child indices under the node.
\r
1569 * @returns {CKEDITOR.dom.node} The specified DOM child under the current node. Null if child does not exist.
\r
1571 * var strong = p.getChild(0);
\r
1573 getChild : function( indices )
\r
1575 var rawNode = this.$;
\r
1577 if ( !indices.slice )
\r
1578 rawNode = rawNode.childNodes[ indices ];
\r
1581 while ( indices.length > 0 && rawNode )
\r
1582 rawNode = rawNode.childNodes[ indices.shift() ];
\r
1585 return rawNode ? new CKEDITOR.dom.node( rawNode ) : null;
\r
1588 getChildCount : function()
\r
1590 return this.$.childNodes.length;
\r
1593 disableContextMenu : function()
\r
1595 this.on( 'contextmenu', function( event )
\r
1597 // Cancel the browser context menu.
\r
1598 if ( !event.data.getTarget().hasClass( 'cke_enable_context_menu' ) )
\r
1599 event.data.preventDefault();
\r
1604 * Gets element's direction. Supports both CSS 'direction' prop and 'dir' attr.
\r
1606 getDirection : function( useComputed )
\r
1608 return useComputed ?
\r
1609 this.getComputedStyle( 'direction' )
\r
1610 // Webkit: offline element returns empty direction (#8053).
\r
1611 || this.getDirection()
\r
1612 || this.getDocument().$.dir
\r
1613 || this.getDocument().getBody().getDirection( 1 )
\r
1614 : this.getStyle( 'direction' ) || this.getAttribute( 'dir' );
\r
1618 * Gets, sets and removes custom data to be stored as HTML5 data-* attributes.
\r
1619 * @param {String} name The name of the attribute, excluding the 'data-' part.
\r
1620 * @param {String} [value] The value to set. If set to false, the attribute will be removed.
\r
1622 * element.data( 'extra-info', 'test' ); // appended the attribute data-extra-info="test" to the element
\r
1623 * alert( element.data( 'extra-info' ) ); // "test"
\r
1624 * element.data( 'extra-info', false ); // remove the data-extra-info attribute from the element
\r
1626 data : function ( name, value )
\r
1628 name = 'data-' + name;
\r
1629 if ( value === undefined )
\r
1630 return this.getAttribute( name );
\r
1631 else if ( value === false )
\r
1632 this.removeAttribute( name );
\r
1634 this.setAttribute( name, value );
\r
1643 width : [ "border-left-width", "border-right-width","padding-left", "padding-right" ],
\r
1644 height : [ "border-top-width", "border-bottom-width", "padding-top", "padding-bottom" ]
\r
1647 function marginAndPaddingSize( type )
\r
1649 var adjustment = 0;
\r
1650 for ( var i = 0, len = sides[ type ].length; i < len; i++ )
\r
1651 adjustment += parseInt( this.getComputedStyle( sides [ type ][ i ] ) || 0, 10 ) || 0;
\r
1652 return adjustment;
\r
1656 * Sets the element size considering the box model.
\r
1657 * @name CKEDITOR.dom.element.prototype.setSize
\r
1659 * @param {String} type The dimension to set. It accepts "width" and "height".
\r
1660 * @param {Number} size The length unit in px.
\r
1661 * @param {Boolean} isBorderBox Apply the size based on the border box model.
\r
1663 CKEDITOR.dom.element.prototype.setSize = function( type, size, isBorderBox )
\r
1665 if ( typeof size == 'number' )
\r
1667 if ( isBorderBox && !( CKEDITOR.env.ie && CKEDITOR.env.quirks ) )
\r
1668 size -= marginAndPaddingSize.call( this, type );
\r
1670 this.setStyle( type, size + 'px' );
\r
1675 * Gets the element size, possibly considering the box model.
\r
1676 * @name CKEDITOR.dom.element.prototype.getSize
\r
1678 * @param {String} type The dimension to get. It accepts "width" and "height".
\r
1679 * @param {Boolean} isBorderBox Get the size based on the border box model.
\r
1681 CKEDITOR.dom.element.prototype.getSize = function( type, isBorderBox )
\r
1683 var size = Math.max( this.$[ 'offset' + CKEDITOR.tools.capitalize( type ) ],
\r
1684 this.$[ 'client' + CKEDITOR.tools.capitalize( type ) ] ) || 0;
\r
1686 if ( isBorderBox )
\r
1687 size -= marginAndPaddingSize.call( this, type );
\r
Got questions, comments, patches, etc.? Contact Jason Woofenden