fckevents.js
71 lines
| 1.9 KiB
| application/javascript
|
JavascriptLexer
|
r0 | /* | ||
* FCKeditor - The text editor for Internet - http://www.fckeditor.net | ||||
* Copyright (C) 2003-2008 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 ; | ||||
} | ||||