/**
* @version $Id: extension.php 10094 2008-03-02 04:35:10Z instance $
* @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'));
}
}
