/** * 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; }