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/*
* FCKeditor - The text editor for Internet - http://www.fckeditor.net
* Copyright (C) 2003-2009 Frederico Caldeira Knabben
*
* == BEGIN LICENSE ==
*
* Licensed under the terms of any of the following licenses at your
* choice:
*
* - GNU General Public License Version 2 or later (the "GPL")
* http://www.gnu.org/licenses/gpl.html
*
* - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
* http://www.gnu.org/licenses/lgpl.html
*
* - Mozilla Public License Version 1.1 or later (the "MPL")
* http://www.mozilla.org/MPL/MPL-1.1.html
*
* == END LICENSE ==
*
* Manages the DOM ascensors element list of a specific DOM node
* (limited to body, inclusive).
*/
var FCKElementPath = function( lastNode )
{
var eBlock = null ;
var eBlockLimit = null ;
var aElements = new Array() ;
var e = lastNode ;
while ( e )
{
if ( e.nodeType == 1 )
{
if ( !this.LastElement )
this.LastElement = e ;
var sElementName = e.nodeName.toLowerCase() ;
if ( FCKBrowserInfo.IsIE && e.scopeName != 'HTML' )
sElementName = e.scopeName.toLowerCase() + ':' + sElementName ;
if ( !eBlockLimit )
{
if ( !eBlock && FCKListsLib.PathBlockElements[ sElementName ] != null )
eBlock = e ;
if ( FCKListsLib.PathBlockLimitElements[ sElementName ] != null )
{
// DIV is considered the Block, if no block is available (#525)
// and if it doesn't contain other blocks.
if ( !eBlock && sElementName == 'div' && !FCKElementPath._CheckHasBlock( e ) )
eBlock = e ;
else
eBlockLimit = e ;
}
}
aElements.push( e ) ;
if ( sElementName == 'body' )
break ;
}
e = e.parentNode ;
}
this.Block = eBlock ;
this.BlockLimit = eBlockLimit ;
this.Elements = aElements ;
}
/**
* Check if an element contains any block element.
*/
FCKElementPath._CheckHasBlock = function( element )
{
var childNodes = element.childNodes ;
for ( var i = 0, count = childNodes.length ; i < count ; i++ )
{
var child = childNodes[i] ;
if ( child.nodeType == 1 && FCKListsLib.BlockElements[ child.nodeName.toLowerCase() ] )
return true ;
}
return false ;
}
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