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<?php
/**
* @version $Id: plugin.php 14401 2010-01-26 14:10:00Z louis $
* @package Joomla.Framework
* @subpackage Plugin
* @copyright Copyright (C) 2005 - 2010 Open Source Matters. All rights reserved.
* @license GNU/GPL, see LICENSE.php
* Joomla! is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*/
// Check to ensure this file is within the rest of the framework
defined('JPATH_BASE') or die();
jimport( 'joomla.event.event' );
/**
* JPlugin Class
*
* @abstract
* @package Joomla.Framework
* @subpackage Plugin
* @since 1.5
*/
class JPlugin extends JEvent
{
/**
* A JParameter object holding the parameters for the plugin
*
* @var A JParameter object
* @access public
* @since 1.5
*/
var $params = null;
/**
* The name of the plugin
*
* @var sring
* @access protected
*/
var $_name = null;
/**
* The plugin type
*
* @var string
* @access protected
*/
var $_type = null;
/**
* Constructor
*
* For php4 compatability we must not use the __constructor as a constructor for plugins
* because func_get_args ( void ) returns a copy of all passed arguments NOT references.
* This causes problems with cross-referencing necessary for the observer design pattern.
*
* @param object $subject The object to observe
* @param array $config An optional associative array of configuration settings.
* Recognized key values include 'name', 'group', 'params'
* (this list is not meant to be comprehensive).
* @since 1.5
*/
function JPlugin(& $subject, $config = array()) {
parent::__construct($subject);
}
/**
* Constructor
*/
function __construct(& $subject, $config = array())
{
//Set the parameters
if ( isset( $config['params'] ) ) {
if(is_a($config['params'], 'JParameter')) {
$this->params = $config['params'];
} else {
$this->params = new JParameter($config['params']);
}
}
if ( isset( $config['name'] ) ) {
$this->_name = $config['name'];
}
if ( isset( $config['type'] ) ) {
$this->_type = $config['type'];
}
parent::__construct($subject);
}
/**
* Loads the plugin language file
*
* @access public
* @param string $extension The extension for which a language file should be loaded
* @param string $basePath The basepath to use
* @return boolean True, if the file has successfully loaded.
* @since 1.5
*/
function loadLanguage($extension = '', $basePath = JPATH_BASE)
{
if(empty($extension)) {
$extension = 'plg_'.$this->_type.'_'.$this->_name;
}
$lang =& JFactory::getLanguage();
return $lang->load( strtolower($extension), $basePath);
}
}