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   1  /*
   2   * FCKeditor - The text editor for internet
   3   * Copyright (C) 2003-2005 Frederico Caldeira Knabben
   4   * 
   5   * Licensed under the terms of the GNU Lesser General Public License:
   6   *         http://www.opensource.org/licenses/lgpl-license.php
   7   * 
   8   * For further information visit:
   9   *         http://www.fckeditor.net/
  10   * 
  11   * "Support Open Source software. What about a donation today?"
  12   * 
  13   * File Name: fckstyledef_gecko.js
  14   *     FCKStyleDef Class: represents a single stylke definition. (Gecko specific)
  15   * 
  16   * File Authors:
  17   *         Frederico Caldeira Knabben (fredck@fckeditor.net)
  18   */
  19  
  20  FCKStyleDef.prototype.ApplyToSelection = function()
  21  {
  22      if ( FCKSelection.GetType() == 'Text' && !this.IsObjectElement )
  23      {
  24          var oSelection = FCK.EditorWindow.getSelection() ;
  25          
  26          // Create the main element.
  27          var e = FCK.EditorDocument.createElement( this.Element ) ;
  28          
  29          for ( var i = 0 ; i < oSelection.rangeCount ; i++ )
  30          {
  31              e.appendChild( oSelection.getRangeAt(i).extractContents() ) ;
  32          }
  33          
  34          // Set the attributes.
  35          this._AddAttributes( e ) ;
  36          
  37          // Remove the duplicated elements.
  38          this._RemoveDuplicates( e ) ;
  39  
  40          var oRange = oSelection.getRangeAt(0) ;        
  41          oRange.insertNode( e ) ;
  42      }
  43      else
  44      {
  45          var oControl = FCKSelection.GetSelectedElement() ;
  46          if ( oControl.tagName == this.Element )
  47              this._AddAttributes( oControl ) ;
  48      }
  49  }
  50  
  51  FCKStyleDef.prototype._AddAttributes = function( targetElement )
  52  {
  53      for ( var a in this.Attributes )
  54          targetElement.setAttribute( a, this.Attributes[a], 0 ) ;
  55  }
  56  
  57  FCKStyleDef.prototype._RemoveDuplicates = function( parent )
  58  {
  59      for ( var i = 0 ; i < parent.childNodes.length ; i++ )
  60      {
  61          var oChild = parent.childNodes[i] ;
  62          
  63          if ( oChild.nodeType != 1 )
  64              continue ;
  65          
  66          this._RemoveDuplicates( oChild ) ;
  67          
  68          if ( this.IsEqual( oChild ) )
  69              FCKTools.RemoveOuterTags( oChild ) ;
  70      }
  71  }
  72  
  73  FCKStyleDef.prototype.IsEqual = function( e )
  74  {
  75      if ( e.tagName != this.Element )
  76          return false ;
  77      
  78      for ( var a in this.Attributes )
  79      {
  80          if ( e.getAttribute( a ) != this.Attributes[a] )
  81              return false ;
  82      }
  83      
  84      return true ;
  85  }
  86  
  87  FCKStyleDef.prototype._RemoveMe = function( elementToCheck )
  88  {
  89      if ( ! elementToCheck )
  90          return ;
  91  
  92      var oParent = elementToCheck.parentNode ;
  93  
  94      if ( elementToCheck.nodeType == 1 && this.IsEqual( elementToCheck ) )
  95      {
  96          if ( this.IsObjectElement )
  97          {
  98              for ( var a in this.Attributes )
  99                  elementToCheck.removeAttribute( a, 0 ) ;
 100              return ;
 101          }
 102          else
 103              FCKTools.RemoveOuterTags( elementToCheck ) ;
 104      }
 105      
 106      this._RemoveMe( oParent ) ;
 107  }