[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: fckselection_gecko.js
  22   *     Active selection functions. (Gecko specific implementation)
  23   * 
  24   * File Authors:
  25   *         Frederico Caldeira Knabben (www.fckeditor.net)
  26   */
  27  
  28  // Get the selection type (like document.select.type in IE).
  29  FCKSelection.GetType = function()
  30  {
  31  //    if ( ! this._Type )
  32  //    {
  33          // By default set the type to "Text".
  34          this._Type = 'Text' ;
  35  
  36          // Check if the actual selection is a Control (IMG, TABLE, HR, etc...).
  37          var oSel ;
  38          try { oSel = FCK.EditorWindow.getSelection() ; }
  39          catch (e) {}
  40          
  41          if ( oSel && oSel.rangeCount == 1 )
  42          {
  43              var oRange = oSel.getRangeAt(0) ;
  44              if ( oRange.startContainer == oRange.endContainer && (oRange.endOffset - oRange.startOffset) == 1 && oRange.startContainer.nodeType != Node.TEXT_NODE )
  45                  this._Type = 'Control' ;
  46          }
  47  //    }
  48      return this._Type ;
  49  }
  50  
  51  // Retrieves the selected element (if any), just in the case that a single
  52  // element (object like and image or a table) is selected.
  53  FCKSelection.GetSelectedElement = function()
  54  {
  55      if ( this.GetType() == 'Control' )
  56      {
  57          var oSel = FCK.EditorWindow.getSelection() ;
  58          return oSel.anchorNode.childNodes[ oSel.anchorOffset ] ;
  59      }
  60      return null ;
  61  }
  62  
  63  FCKSelection.GetParentElement = function()
  64  {
  65      if ( this.GetType() == 'Control' )
  66          return FCKSelection.GetSelectedElement().parentNode ;
  67      else
  68      {
  69          var oSel = FCK.EditorWindow.getSelection() ;
  70          if ( oSel )
  71          {
  72              var oNode = oSel.anchorNode ;
  73  
  74              while ( oNode && oNode.nodeType != 1 )
  75                  oNode = oNode.parentNode ;
  76  
  77              return oNode ;
  78          }
  79      }
  80      return null ;
  81  }
  82  
  83  FCKSelection.SelectNode = function( element )
  84  {
  85  //    FCK.Focus() ;
  86  
  87      var oRange = FCK.EditorDocument.createRange() ;
  88      oRange.selectNode( element ) ;
  89  
  90      var oSel = FCK.EditorWindow.getSelection() ;
  91      oSel.removeAllRanges() ;
  92      oSel.addRange( oRange ) ;
  93  }
  94  
  95  FCKSelection.Collapse = function( toStart )
  96  {
  97      var oSel = FCK.EditorWindow.getSelection() ;
  98      
  99      if ( toStart == null || toStart === true )
 100          oSel.collapseToStart() ;
 101      else
 102          oSel.collapseToEnd() ;
 103  }
 104  
 105  // The "nodeTagName" parameter must be Upper Case.
 106  FCKSelection.HasAncestorNode = function( nodeTagName )
 107  {
 108      var oContainer = this.GetSelectedElement() ;
 109      if ( ! oContainer && FCK.EditorWindow )
 110      {
 111          try        { oContainer = FCK.EditorWindow.getSelection().getRangeAt(0).startContainer ; }
 112          catch(e){}
 113      }
 114  
 115      while ( oContainer )
 116      {
 117          if ( oContainer.nodeType == 1 && oContainer.tagName == nodeTagName ) return true ;
 118          oContainer = oContainer.parentNode ;
 119      }
 120  
 121      return false ;
 122  }
 123  
 124  // The "nodeTagName" parameter must be Upper Case.
 125  FCKSelection.MoveToAncestorNode = function( nodeTagName )
 126  {
 127      var oNode ;
 128  
 129      var oContainer = this.GetSelectedElement() ;
 130      if ( ! oContainer )
 131          oContainer = FCK.EditorWindow.getSelection().getRangeAt(0).startContainer ;
 132  
 133      while ( oContainer )
 134      {
 135          if ( oContainer.nodeName == nodeTagName ) 
 136              return oContainer ;
 137  
 138          oContainer = oContainer.parentNode ;
 139      }
 140      return null ;
 141  }
 142  
 143  FCKSelection.Delete = function()
 144  {
 145      // Gets the actual selection.
 146      var oSel = FCK.EditorWindow.getSelection() ;
 147  
 148      // Deletes the actual selection contents.
 149      for ( var i = 0 ; i < oSel.rangeCount ; i++ )
 150      {
 151          oSel.getRangeAt(i).deleteContents() ;
 152      }
 153  
 154      return oSel ;
 155  }