public function breadcrumbAction(Request $request, $title = '') {
        if (!$this->getDispatcher()->hasListeners(ThemeEvents::THEME_BREADCRUMB)) {
            return new Response();
        }

        $active = $this->getDispatcher()->dispatch(ThemeEvents::THEME_BREADCRUMB, new SidebarMenuEvent($request))->getActive();
        /** @var $active MenuItemInterface */
        $list = [];
        if($active) {
            $list[] = $active;
            while(null !== ($item = $active->getActiveChild())) {
                $list[] = $item;
                $active = $item;
            }
        }

        return $this->render('AvanzuAdminThemeBundle:Breadcrumb:breadcrumb.html.twig', [
                'active' => $list,
                'title' => $title,
            ]);
    }