public function loadViews($viewNames = array(), $data = array(), $mergeData = array())
    {
        $this->children = array();
        foreach ($viewNames as $key => $viewName) {
            $className = get_class();
            $item = new $className($this->cmd, $this->folder);
            $item->loadView($viewName, $data, $mergeData);
            $this->children[] = $item;
        }

        return $this;
    }