Networking\InitCmsBundle\Controller\MenuItemAdminController::listAction PHP Method

    public function listAction($pageId = false, $menuId = false, $ajaxTemplate = 'menu_tabs', $rootMenuId = null)
    {
        if (false === $this->admin->isGranted('LIST')) {
            throw new AccessDeniedException();
        }
        /** @var Request $request */
        $request = $this->get('request_stack')->getCurrentRequest();
        if ($request->get('page_id')) {
            $pageId = $request->get('page_id');
        }
        if ($request->get('menu_id')) {
            $menuId = $request->get('menu_id');
            if ($menuId) {
                $this->get('session')->set('MenuItem.last_edited', $menuId);
            }
        }
        $this->get('session')->set('admin/last_page_id', $pageId);
        if ($request->get('show_now_confirm_dialog')) {
            $user = $this->getUser();
            $user->setAdminSetting('menuAdmin.show_now_confirm_dialog', true);
            $em = $this->getDoctrine()->getManager();
            $em->persist($user);
            $em->flush();
        }
        $menus = array();
        /** @var MenuItemManager $menuItemManager */
        $menuItemManager = $this->get('networking_init_cms.menu_item_manager');
        /*
         * if the list was filtered or a new menu entry was posted,
         * use the submitted locale for list, else set the locale
         * to the users default within the availble CMS frontend languages
         */
        if ($menuId) {
            $menu = $menuItemManager->find($menuId);
            if ($menu) {
                $this->currentMenuLanguage = $menu->getLocale();
            }
        }
        if ($postArray = $request->get($this->admin->getUniqid())) {
            // posted locale
            if (array_key_exists('locale', $request->get($this->admin->getUniqid()))) {
                $this->currentMenuLanguage = $postArray['locale'];
            }
        } elseif ($filterParameters = $this->admin->getFilterParameters()) {
            // filter locale
            if (array_key_exists('locale', $filterParameters) && $filterParameters['locale']['value']) {
                $this->currentMenuLanguage = $filterParameters['locale']['value'];
            }
        }
        if (!$this->currentMenuLanguage) {
            // fallback to default
            $this->currentMenuLanguage = $this->admin->getDefaultLocale();
        }
        if (!$this->currentMenuLanguage) {
            throw new \Sonata\AdminBundle\Exception\NoValueException('No locale has been provided to generate a menu list');
        }
        //use one of the locale to filter the list of menu entries (see above
        $rootNodes = $menuItemManager->getRootNodesByLocale($this->currentMenuLanguage, 'id');
        $childOpen = function ($node) {
            return sprintf('<li class="table-row-style" id="listItem_%s">', $node['id']);
        };
        $admin = $this->admin;
        $controller = $this;
        /** @var ArrayCollection $menuAllItems */
        $menuAllItems = new ArrayCollection($menuItemManager->findAllJoinPage());
        $nodeDecorator = function ($node) use($admin, $controller, $menuItemManager, $menuAllItems) {
            $items = $menuAllItems->filter(function ($menuItem) use($node) {
                if ($menuItem->getId() == $node['id']) {
                    return $menuItem;
                }
            });
            $node = $items->first();
            return $controller->renderView('NetworkingInitCmsBundle:MenuItemAdmin:menu_list_item.html.twig', array('admin' => $admin, 'node' => $node));
        };
        foreach ($rootNodes as $rootNode) {
            if ($rootMenuId) {
                if ($rootMenuId == $rootNode->getId()) {
                    $menus = array('rootNode' => $rootNode, 'navigation' => $this->createPlacementNavigation($rootNode, $admin, $controller, $menuItemManager));
                    break;
                }
            } else {
                $navigation = $menuItemManager->childrenHierarchy($rootNode, null, array('rootOpen' => '<ul class="table-row-style">', 'decorate' => true, 'childOpen' => $childOpen, 'childClose' => '</li>', 'nodeDecorator' => $nodeDecorator), false);
                $menus[] = array('rootNode' => $rootNode, 'navigation' => $navigation);
            }
        }
        $datagrid = $this->admin->getDatagrid();
        if ($menuId) {
            $menu = $menuItemManager->find($menuId);
            if ($menu) {
                $locale = $menu->getLocale();
                $datagrid->setValue('locale', null, $locale);
                $datagrid->buildPager();
            }
        }
        $formView = $datagrid->getForm()->createView();
        // set the theme for the current Admin Form
        $this->get('twig')->getExtension('form')->renderer->setTheme($formView, $this->admin->getFilterTheme());
        if ($this->isXmlHttpRequest()) {
            if ($request->get('render')) {
                return $this->render('NetworkingInitCmsBundle:MenuItemAdmin:' . $ajaxTemplate . '.html.twig', array('menus' => $menus, 'admin' => $this->admin, 'page_id' => $pageId));
            } else {
                return $this->renderView('NetworkingInitCmsBundle:MenuItemAdmin:' . $ajaxTemplate . '.html.twig', array('menus' => $menus, 'admin' => $this->admin, 'page_id' => $pageId));
            }
        }
        $lastEdited = $this->get('session')->get('MenuItem.last_edited');
        return $this->render($this->admin->getTemplate('list'), array('action' => 'navigation', 'form' => $formView, 'datagrid' => $datagrid, 'menus' => $menus, 'last_edited' => $lastEdited, 'page_id' => $pageId, 'menu_id' => $menuId));
    }