backward.php

<?php
/*
* 2007-2014 PrestaShop
*
* NOTICE OF LICENSE
*
* This source file is subject to the Open Software License (OSL 3.0)
* that is bundled with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://opensource.org/licenses/osl-3.0.php
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@prestashop.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
* versions in the future. If you wish to customize PrestaShop for your
* needs please refer to http://www.prestashop.com for more information.
*
*  @author PrestaShop SA <contact@prestashop.com>
*  @copyright  2007-2014 PrestaShop SA
*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/

/**
 * Backward function compatibility
 * Need to be called for each module in 1.4
 */

// Get out if the context is already defined
if (!in_array('Context', get_declared_classes()))
	require_once(dirname(__FILE__).'/Context.php');

// Get out if the Display (BWDisplay to avoid any conflict)) is already defined
if (!in_array('BWDisplay', get_declared_classes()))
	require_once(dirname(__FILE__).'/Display.php');

// If not under an object we don't have to set the context
if (!isset($this))
	return;
else if (isset($this->context))
{
	// If we are under an 1.5 version and backoffice, we have to set some backward variable
	if (_PS_VERSION_ >= '1.5' && isset($this->context->employee->id) && $this->context->employee->id && isset(AdminController::$currentIndex) && !empty(AdminController::$currentIndex))
	{
		global $currentIndex;
		$currentIndex = AdminController::$currentIndex;
	}
	return;
}

$this->context = Context::getContext();
$this->smarty = $this->context->smarty;