public function _smartyDefaultTemplateHandler($resourceType, $resourceName, &$resourceContent, &$resourceTimestamp, $smarty)
    {
        $config = \OxidEsales\Eshop\Core\Registry::getConfig();
        if ($resourceType == 'file' && !is_readable($resourceName)) {
            $resourceName = $config->getTemplatePath($resourceName, $config->isAdmin());
            $resourceContent = $smarty->_read_file($resourceName);
            $resourceTimestamp = filemtime($resourceName);

            return is_file($resourceName) && is_readable($resourceName);
        }

        return false;
    }