/**
* Constructor
*/
protected function __construct()
{
global $section;
parent::__construct(__FILE__);
// register backend
if (class_exists('backend') && class_exists('shop')) {
$backend = backend::getInstance();
$method_menu = $backend->getMenu('shop_delivery_methods');
if (!is_null($method_menu)) {
$method_menu->addChild('', new backend_MenuItem($this->getLanguageConstant('menu_fedex'), url_GetFromFilePath($this->path . 'images/icon.png'), window_Open('fedex', 350, $this->getLanguageConstant('title_settings'), true, true, backend_UrlMake($this->name, 'settings')), $level = 5));
}
}
// register delivery method
if (class_exists('shop')) {
require_once 'units/fedex_delivery_method.php';
FedEx_DeliveryMethod::getInstance($this);
}
}
/**
* Public function that creates a single instance
*/
public static function getInstance($parent)
{
if (!isset(self::$_instance)) {
self::$_instance = new self($parent);
}
return self::$_instance;
}
