david
802479ed64
git-svn-id: https://192.168.0.254/svn/Proyectos.FundacionLQDVI_WebCongresos/trunk@2 94ccb1af-fd9d-d947-8d90-7f70ea60afc8
73 lines
1.9 KiB
PHP
73 lines
1.9 KiB
PHP
<?php
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/**
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* @version $Id: event.php 14401 2010-01-26 14:10:00Z louis $
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* @package Joomla.Framework
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* @subpackage Event
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* @copyright Copyright (C) 2005 - 2010 Open Source Matters. All rights reserved.
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* @license GNU/GPL, see LICENSE.php
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* Joomla! is free software. This version may have been modified pursuant
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* to the GNU General Public License, and as distributed it includes or
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* is derivative of works licensed under the GNU General Public License or
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* other free or open source software licenses.
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* See COPYRIGHT.php for copyright notices and details.
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*/
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// Check to ensure this file is within the rest of the framework
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defined('JPATH_BASE') or die();
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jimport( 'joomla.base.observer' );
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/**
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* JEvent Class
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*
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* @abstract
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* @package Joomla.Framework
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* @subpackage Event
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* @since 1.5
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*/
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class JEvent extends JObserver
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{
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/**
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* Constructor
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*
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* For php4 compatability we must not use the __constructor as a constructor for plugins
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* because func_get_args ( void ) returns a copy of all passed arguments NOT references.
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* This causes problems with cross-referencing necessary for the observer design pattern.
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*
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* @param object $subject The object to observe
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* @since 1.5
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*/
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function JEvent(& $subject) {
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parent::__construct($subject);
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}
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/**
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* Method to trigger events
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*
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* @access public
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* @param array Arguments
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* @return mixed Routine return value
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* @since 1.5
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*/
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function update(& $args)
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{
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/*
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* First lets get the event from the argument array. Next we will unset the
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* event argument as it has no bearing on the method to handle the event.
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*/
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$event = $args['event'];
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unset($args['event']);
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/*
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* If the method to handle an event exists, call it and return its return
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* value. If it does not exist, return null.
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*/
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if (method_exists($this, $event)) {
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return call_user_func_array ( array($this, $event), $args );
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} else {
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return null;
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}
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}
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}
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