<?php/** * @version		$Id: extension.php 10381 2008-06-01 03:35:53Z pasamio $ * @package		Joomla * @subpackage	Installer * @copyright	Copyright (C) 2005 - 2008 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 included in Joomla!defined('_JEXEC') or die( 'Restricted access' );jimport( 'joomla.application.component.model' );/** * Extension Manager Abstract Extension Model * * @abstract * @package		Joomla * @subpackage	Installer * @since		1.5 */class InstallerModel extends JModel{	/** @var array Array of installed components */	var $_items = array();	/** @var object JPagination object */	var $_pagination = null;	/**	 * Overridden constructor	 * @access	protected	 */	function __construct()	{		global $mainframe;		// Call the parent constructor		parent::__construct();		// Set state variables from the request		$this->setState('pagination.limit',	$mainframe->getUserStateFromRequest('global.list.limit', 'limit', $mainframe->getCfg('list_limit'), 'int'));		$this->setState('pagination.offset',$mainframe->getUserStateFromRequest('com_installer.limitstart.'.$this->_type, 'limitstart', 0, 'int'));		$this->setState('pagination.total',	0);	}	function &getItems()	{		if (empty($this->_items)) {			// Load the items			$this->_loadItems();		}		return $this->_items;	}	function &getPagination()	{		if (empty($this->_pagination)) {			// Make sure items are loaded for a proper total			if (empty($this->_items)) {				// Load the items				$this->_loadItems();			}			// Load the pagination object			jimport('joomla.html.pagination');			$this->_pagination = new JPagination($this->_state->get('pagination.total'), $this->_state->get('pagination.offset'), $this->_state->get('pagination.limit'));		}		return $this->_pagination;	}	/**	 * Remove (uninstall) an extension	 *	 * @static	 * @param	array	An array of identifiers	 * @return	boolean	True on success	 * @since 1.0	 */	function remove($eid=array())	{		global $mainframe;		// Initialize variables		$failed = array ();		/*		 * Ensure eid is an array of extension ids in the form id => client_id		 * TODO: If it isn't an array do we want to set an error and fail?		 */		if (!is_array($eid)) {			$eid = array($eid => 0);		}		// Get a database connector		$db =& JFactory::getDBO();		// Get an installer object for the extension type		jimport('joomla.installer.installer');		$installer = & JInstaller::getInstance();		// Uninstall the chosen extensions		foreach ($eid as $id => $clientId)		{			$id		= trim( $id );			$result	= $installer->uninstall($this->_type, $id, $clientId );			// Build an array of extensions that failed to uninstall			if ($result === false) {				$failed[] = $id;			}		}		if (count($failed)) {			// There was an error in uninstalling the package			$msg = JText::sprintf('UNINSTALLEXT', JText::_($this->_type), JText::_('Error'));			$result = false;		} else {			// Package uninstalled sucessfully			$msg = JText::sprintf('UNINSTALLEXT', JText::_($this->_type), JText::_('Success'));			$result = true;		}		$mainframe->enqueueMessage($msg);		$this->setState('action', 'remove');		$this->setState('name', $installer->get('name'));		$this->setState('message', $installer->message);		$this->setState('extension.message', $installer->get('extension.message'));		return $result;	}	function _loadItems()	{		return JError::raiseError( 500, JText::_('Method Not Implemented'));	}}