<?php
/**
 * @version		$Id: controller.php 20264 2011-01-10 22:38:46Z chdemko $
 * @package		Joomla.Installation
 * @copyright	Copyright (C) 2005 - 2011 Open Source Matters, Inc. All rights reserved.
 * @license		GNU General Public License version 2 or later; see LICENSE.txt
 */

defined('_JEXEC') or die;

jimport('joomla.application.component.controller');
jimport('joomla.application.component.helper');

/**
 * Base controller class for the Joomla Core Installer.
 *
 * @package		Joomla.Installation
 * @since		1.6
 */
class JInstallationController extends JController
{
	/**
	 * Method to display a view.
	 *
	 * @param	boolean			If true, the view output will be cached
	 * @param	array			An array of safe url parameters and their variable types, for valid values see {@link JFilterInput::clean()}.
	 *
	 * @return	JController		This object to support chaining.
	 * @since	1.5
	 */
	public function display($cachable = false, $urlparams = false)
	{
		// Get the current URI to redirect to.
		$uri		= JURI::getInstance();
		$redirect	= base64_encode($uri);

		// Get the document object.
		$document	= JFactory::getDocument();

		// Set the default view name and format from the Request.
		if (file_exists( JPATH_CONFIGURATION . DS . 'configuration.php' ) && (filesize( JPATH_CONFIGURATION . DS . 'configuration.php' ) > 10) && file_exists( JPATH_INSTALLATION . DS . 'index.php' )) {
			$default_view	= 'remove';
		} else {
			$default_view	= 'language';
		}

		$vName		= JRequest::getWord('view', $default_view);
		$vFormat	= $document->getType();
		$lName		= JRequest::getWord('layout', 'default');

		if ($view = $this->getView($vName, $vFormat)) {

			switch ($vName) {
				default:
					$model = $this->getModel('Setup', 'JInstallationModel', array('dbo' => null));
					break;
			}

			// Push the model into the view (as default).
			$view->setModel($model, true);
			$view->setLayout($lName);

			// Push document object into the view.
			$view->assignRef('document', $document);

			$view->display();
		}

		return $this;
	}
}