protected function viewFile($module, $controller, $action)
{
if ($module) {
$module = str_replace('-', '_', $module);
$module = substr($module, -1) == '/' ? substr($module, 0, -1) : $module;
}
$controller = str_replace('-', '_', $controller);
$action = str_replace('-', '_', $action);
return $this->application->viewPath() . $module . DIRECTORY_SEPARATOR . $controller . DIRECTORY_SEPARATOR . $action . '.phtml';
}