text: /*
   * FCKeditor - The text editor for Internet - http://www.fckeditor.net
   * Copyright (C) 2003-2010 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 ==
   *
   * Tool object to manage HTML lists items (UL, OL and LI).
   */
  
  var FCKListHandler =
  {
  	OutdentListItem : function( listItem )
  	{
  		var eParent = listItem.parentNode ;
  
  		// It may happen that a LI is not in a UL or OL (Orphan).
  		if ( eParent.tagName.toUpperCase().Equals( 'UL','OL' ) )
  		{
  			var oDocument = FCKTools.GetElementDocument( listItem ) ;
  			var oDogFrag = new FCKDocumentFragment( oDocument ) ;
  
  			// All children and successive siblings will be moved to a a DocFrag.
  			var eNextSiblings = oDogFrag.RootNode ;
  			var eHasLiSibling = false ;
  
  			// If we have nested lists inside it, let's move it to the list of siblings.
  			var eChildList = FCKDomTools.GetFirstChild( listItem, ['UL','OL'] ) ;
  			if ( eChildList )
  			{
  				eHasLiSibling = true ;
  
  				var eChild ;
  				// The extra () is to avoid a warning with strict error checking. This is ok.
  				while ( (eChild = eChildList.firstChild) )
  					eNextSiblings.appendChild( eChildList.removeChild( eChild ) ) ;
  
  				FCKDomTools.RemoveNode( eChildList ) ;
  			}
  
  			// Move all successive siblings.
  			var eSibling ;
  			var eHasSuccessiveLiSibling = false ;
  			// The extra () is to avoid a warning with strict error checking. This is ok.
  			while ( (eSibling = listItem.nextSibling) )
  			{
  				if ( !eHasLiSibling && eSibling.nodeType == 1 && eSibling.nodeName.toUpperCase() == 'LI' )
  					eHasSuccessiveLiSibling = eHasLiSibling = true ;
  
  				eNextSiblings.appendChild( eSibling.parentNode.removeChild( eSibling ) ) ;
  
  				// If a sibling is a incorrectly nested UL or OL, consider only its children.
  				if ( !eHasSuccessiveLiSibling && eSibling.nodeType == 1 && eSibling.nodeName.toUpperCase().Equals( 'UL','OL' ) )
  					FCKDomTools.RemoveNode( eSibling, true ) ;
  			}
  
  			// If we are in a list chain.
  			var sParentParentTag = eParent.parentNode.tagName.toUpperCase() ;
  			var bWellNested = ( sParentParentTag == 'LI' ) ;
  			if ( bWellNested || sParentParentTag.Equals( 'UL','OL' ) )
  			{
  				if ( eHasLiSibling )
  				{
  					var eChildList = eParent.cloneNode( false ) ;
  					oDogFrag.AppendTo( eChildList ) ;
  					listItem.appendChild( eChildList ) ;
  				}
  				else if ( bWellNested )
  					oDogFrag.InsertAfterNode( eParent.parentNode ) ;
  				else
  					oDogFrag.InsertAfterNode( eParent ) ;
  
  				// Move the LI after its parent.parentNode (the upper LI in the hierarchy).
  				if ( bWellNested )
  					FCKDomTools.InsertAfterNode( eParent.parentNode, eParent.removeChild( listItem ) ) ;
  				else
  					FCKDomTools.InsertAfterNode( eParent, eParent.removeChild( listItem ) ) ;
  			}
  			else
  			{
  				if ( eHasLiSibling )
  				{
  					var eNextList = eParent.cloneNode( false ) ;
  					oDogFrag.AppendTo( eNextList ) ;
  					FCKDomTools.InsertAfterNode( eParent, eNextList ) ;
  				}
  
  				var eBlock = oDocument.createElement( FCKConfig.EnterMode == 'p' ? 'p' : 'div' ) ;
  				FCKDomTools.MoveChildren( eParent.removeChild( listItem ), eBlock ) ;
  				FCKDomTools.InsertAfterNode( eParent, eBlock ) ;
  
  				if ( FCKConfig.EnterMode == 'br' )
  				{
  					// We need the bogus to make it work properly. In Gecko, we
  					// need it before the new block, on IE, after it.
  					if ( FCKBrowserInfo.IsGecko )
  						eBlock.parentNode.insertBefore( FCKTools.CreateBogusBR( oDocument ), eBlock ) ;
  					else
  						FCKDomTools.InsertAfterNode( eBlock, FCKTools.CreateBogusBR( oDocument ) ) ;
  
  					FCKDomTools.RemoveNode( eBlock, true ) ;
  				}
  			}
  
  			if ( this.CheckEmptyList( eParent ) )
  				FCKDomTools.RemoveNode( eParent, true ) ;
  		}
  	},
  
  	CheckEmptyList : function( listElement )
  	{
  		return ( FCKDomTools.GetFirstChild( listElement, 'LI' ) == null ) ;
  	},
  
  	// Check if the list has contents (excluding nested lists).
  	CheckListHasContents : function( listElement )
  	{
  		var eChildNode = listElement.firstChild ;
  
  		while ( eChildNode )
  		{
  			switch ( eChildNode.nodeType )
  			{
  				case 1 :
  					if ( !eChildNode.nodeName.IEquals( 'UL','LI' ) )
  						return true ;
  					break ;
  
  				case 3 :
  					if ( eChildNode.nodeValue.Trim().length > 0 )
  						return true ;
  			}
  
  			eChildNode = eChildNode.nextSibling ;
  		}
  
  		return false ;
  	}
  } ;
  