public function addHtml($menuName, $data, $displayedForCurrentUser, $order, $tooltip)
    {
        if ($displayedForCurrentUser) {
            if (!isset($this->menu[$menuName])) {
                $this->menu[$menuName]['_name'] = $menuName;
                $this->menu[$menuName]['_html'] = $data;
                $this->menu[$menuName]['_order'] = $order;
                $this->menu[$menuName]['_url'] = null;
                $this->menu[$menuName]['_icon'] = '';
                $this->menu[$menuName]['_hasSubmenu'] = false;
                $this->menu[$menuName]['_tooltip'] = $tooltip;
            }
        }
    }