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fcklisthandler.js
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/*
* FCKeditor - The text editor for Internet - http://www.fckeditor.net
* Copyright (C) 2003-2007 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 ;
}
} ;

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