fckevents.js
上传用户:dbstep
上传日期:2022-08-06
资源大小:2803k
文件大小:2k
- /*
- * FCKeditor - The text editor for Internet - http://www.fckeditor.net
- * Copyright (C) 2003-2009 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 ==
- *
- * FCKEvents Class: used to handle events is a advanced way.
- */
- var FCKEvents = function( eventsOwner )
- {
- this.Owner = eventsOwner ;
- this._RegisteredEvents = new Object() ;
- }
- FCKEvents.prototype.AttachEvent = function( eventName, functionPointer )
- {
- var aTargets ;
- if ( !( aTargets = this._RegisteredEvents[ eventName ] ) )
- this._RegisteredEvents[ eventName ] = [ functionPointer ] ;
- else
- {
- // Check that the event handler isn't already registered with the same listener
- // It doesn't detect function pointers belonging to an object (at least in Gecko)
- if ( aTargets.IndexOf( functionPointer ) == -1 )
- aTargets.push( functionPointer ) ;
- }
- }
- FCKEvents.prototype.FireEvent = function( eventName, params )
- {
- var bReturnValue = true ;
- var oCalls = this._RegisteredEvents[ eventName ] ;
- if ( oCalls )
- {
- for ( var i = 0 ; i < oCalls.length ; i++ )
- {
- try
- {
- bReturnValue = ( oCalls[ i ]( this.Owner, params ) && bReturnValue ) ;
- }
- catch(e)
- {
- // Ignore the following error. It may happen if pointing to a
- // script not anymore available (#934):
- // -2146823277 = Can't execute code from a freed script
- if ( e.number != -2146823277 )
- throw e ;
- }
- }
- }
- return bReturnValue ;
- }