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   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: fckevents.js
  22   *     FCKEvents Class: used to handle events is a advanced way.
  23   * 
  24   * File Authors:
  25   *         Frederico Caldeira Knabben (www.fckeditor.net)
  26   */
  27  
  28  var FCKEvents = function( eventsOwner )
  29  {
  30      this.Owner = eventsOwner ;
  31      this._RegisteredEvents = new Object() ;
  32  }
  33  
  34  FCKEvents.prototype.AttachEvent = function( eventName, functionPointer )
  35  {
  36      var aTargets ;
  37  
  38      if ( !( aTargets = this._RegisteredEvents[ eventName ] ) ) 
  39          this._RegisteredEvents[ eventName ] = [ functionPointer ] ;
  40      else
  41          aTargets.push( functionPointer ) ;
  42  }
  43  
  44  FCKEvents.prototype.FireEvent = function( eventName, params )
  45  {
  46      var bReturnValue = true ;
  47  
  48      var oCalls = this._RegisteredEvents[ eventName ] ;
  49  
  50      if ( oCalls )
  51      {
  52          for ( var i = 0 ; i < oCalls.length ; i++ )
  53              bReturnValue = ( oCalls[ i ]( this.Owner, params ) && bReturnValue ) ;
  54      }
  55  
  56      return bReturnValue ;
  57  }