[Sommaire] [Imprimer]

   1  /*
   2   * FCKeditor - The text editor for Internet - http://www.fckeditor.net
   3   * Copyright (C) 2003-2007 Frederico Caldeira Knabben
   4   * 
   5   * == BEGIN LICENSE ==
   6   * 
   7   * Licensed under the terms of any of the following licenses at your
   8   * choice:
   9   * 
  10   *  - GNU General Public License Version 2 or later (the "GPL")
  11   *    http://www.gnu.org/licenses/gpl.html
  12   * 
  13   *  - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
  14   *    http://www.gnu.org/licenses/lgpl.html
  15   * 
  16   *  - Mozilla Public License Version 1.1 or later (the "MPL")
  17   *    http://www.mozilla.org/MPL/MPL-1.1.html
  18   * 
  19   * == END LICENSE ==
  20   * 
  21   * File Name: fcklisthandler.js
  22   *     Tool object to manage HTML lists items (UL, OL and LI).
  23   * 
  24   * File Authors:
  25   *         Frederico Caldeira Knabben (www.fckeditor.net)
  26   */
  27  
  28  var FCKListHandler = 
  29  {
  30      OutdentListItem : function( listItem )
  31      {
  32          var eParent = listItem.parentNode ;
  33          
  34          // It may happen that a LI is not in a UL or OL (Orphan).
  35          if ( eParent.tagName.toUpperCase().Equals( 'UL','OL' ) )
  36          {
  37              var oDocument = FCKTools.GetElementDocument( listItem ) ;
  38              var oDogFrag = new FCKDocumentFragment( oDocument ) ;
  39              
  40              // All children and successive siblings will be moved to a a DocFrag.
  41              var eNextSiblings = oDogFrag.RootNode ;
  42              var eHasLiSibling = false ;
  43  
  44              // If we have nested lists inside it, let's move it to the list of siblings.
  45              var eChildList = FCKDomTools.GetFirstChild( listItem, ['UL','OL'] ) ;                
  46              if ( eChildList )
  47              {
  48                  eHasLiSibling = true ;
  49  
  50                  var eChild ;
  51                  // The extra () is to avoid a warning with strict error checking. This is ok.
  52                  while ( (eChild = eChildList.firstChild) )
  53                      eNextSiblings.appendChild( eChildList.removeChild( eChild ) ) ;
  54                  
  55                  FCKDomTools.RemoveNode( eChildList ) ;
  56              }
  57              
  58              // Move all successive siblings.
  59              var eSibling ;
  60              var eHasSuccessiveLiSibling = false ;
  61              // The extra () is to avoid a warning with strict error checking. This is ok.
  62              while ( (eSibling = listItem.nextSibling) )
  63              {
  64                  if ( !eHasLiSibling && eSibling.nodeType == 1 && eSibling.nodeName.toUpperCase() == 'LI' )
  65                      eHasSuccessiveLiSibling = eHasLiSibling = true ;
  66                  
  67                  eNextSiblings.appendChild( eSibling.parentNode.removeChild( eSibling ) ) ;
  68                  
  69                  // If a sibling is a incorrectly nested UL or OL, consider only its children.
  70                  if ( !eHasSuccessiveLiSibling && eSibling.nodeType == 1 && eSibling.nodeName.toUpperCase().Equals( 'UL','OL' ) )
  71                      FCKDomTools.RemoveNode( eSibling, true ) ;
  72              }
  73              
  74              // If we are in a list chain.
  75              var sParentParentTag = eParent.parentNode.tagName.toUpperCase() ;
  76              var bWellNested = ( sParentParentTag == 'LI' ) ;
  77              if ( bWellNested || sParentParentTag.Equals( 'UL','OL' ) )
  78              {
  79                  if ( eHasLiSibling )
  80                  {
  81                      var eChildList = eParent.cloneNode( false ) ;
  82                      oDogFrag.AppendTo( eChildList ) ;
  83                      listItem.appendChild( eChildList ) ;
  84                  }
  85                  else if ( bWellNested )
  86                      oDogFrag.InsertAfterNode( eParent.parentNode ) ;
  87                  else
  88                      oDogFrag.InsertAfterNode( eParent ) ;
  89                  
  90                  // Move the LI after its parent.parentNode (the upper LI in the hierarchy).
  91                  if ( bWellNested )
  92                      FCKDomTools.InsertAfterNode( eParent.parentNode, eParent.removeChild( listItem ) ) ;    
  93                  else
  94                      FCKDomTools.InsertAfterNode( eParent, eParent.removeChild( listItem ) ) ;    
  95              }
  96              else
  97              {
  98                  if ( eHasLiSibling )
  99                  {
 100                      var eNextList = eParent.cloneNode( false ) ;
 101                      oDogFrag.AppendTo( eNextList ) ;
 102                      FCKDomTools.InsertAfterNode( eParent, eNextList ) ;
 103                  }
 104  
 105                  var eBlock = oDocument.createElement( 'p' ) ;    // TODO: Get from configuration.
 106                  FCKDomTools.MoveChildren( eParent.removeChild( listItem ), eBlock ) ;
 107                  FCKDomTools.InsertAfterNode( eParent, eBlock ) ;
 108                  
 109                  listItem = eBlock ;
 110              }
 111  
 112              if ( this.CheckEmptyList( eParent ) )
 113                  FCKDomTools.RemoveNode( eParent, true ) ;
 114          }
 115          
 116          return listItem ;
 117      },
 118      
 119      CheckEmptyList : function( listElement )
 120      {
 121          return ( FCKDomTools.GetFirstChild( listElement, 'LI' ) == null ) ;
 122      },
 123      
 124      // Check if the list has contents (excluding nested lists).
 125      CheckListHasContents : function( listElement )
 126      {
 127          var eChildNode = listElement.firstChild ;
 128  
 129          while ( eChildNode )
 130          {
 131              switch ( eChildNode.nodeType ) 
 132              {
 133                  case 1 :
 134                      if ( !eChildNode.nodeName.IEquals( 'UL','LI' ) )
 135                          return true ;
 136                      break ;
 137          
 138                  case 3 :
 139                      if ( eChildNode.nodeValue.Trim().length > 0 )
 140                          return true ;
 141              }
 142              
 143              eChildNode = eChildNode.nextSibling ;
 144          }
 145  
 146          return false ;
 147      }
 148  } ;