public function showFolderListAction(Request $request, ContentView $view)
    {
        $languages = $this->getConfigResolver()->getParameter('languages');

        // Using the criteria helper (a demobundle custom service) to generate our query's criteria.
        // This is a good practice in order to have less code in your controller.
        $criteria = $this->get('ezdemo.criteria_helper')->generateListFolderCriterion(
            $view->getLocation(),
            $this->container->getParameter('ezdemo.folder.folder_view.excluded_content_types'),
            $languages
        );

        // Generating query
        $query = new LocationQuery();
        $query->query = $criteria;
        $query->sortClauses = array(
            new SortClause\DatePublished(),
        );

        // Initialize pagination.
        $pager = new Pagerfanta(
            new ContentSearchAdapter($query, $this->getRepository()->getSearchService())
        );

        $pager->setMaxPerPage($this->container->getParameter('ezdemo.folder.folder_list.limit'));
        $pager->setCurrentPage($request->get('page', 1));

        $includedContentTypeIdentifiers = $this->container->getParameter('ezdemo.folder.folder_tree.included_content_types');

        // Get sub folder structure
        $subContentCriteria = $this->get('ezdemo.criteria_helper')->generateSubContentCriterion(
            $view->getLocation(), $includedContentTypeIdentifiers, $languages
        );

        $subContentQuery = new LocationQuery();
        $subContentQuery->query = $subContentCriteria;
        $subContentQuery->sortClauses = array(
            new SortClause\ContentName(),
        );

        $searchService = $this->getRepository()->getSearchService();
        $subContent = $searchService->findLocations($subContentQuery);

        $treeItems = array();
        foreach ($subContent->searchHits as $hit) {
            $treeItems[] = $hit->valueObject;
        }

        $view->addParameters(['pagerFolder' => $pager, 'treeItems' => $treeItems]);

        return $view;
    }