public function indexAction(Request $request, AbstractAdmin $admin)
    {
        $this->secure($admin, ContentVoter::LIST_CONTENT);

        // create our datagrid
        $datagrid = $this->get('shuwee_admin.datagrid');

        // bind our request to the datagrid
        $datagrid->bind($admin, $request);

        return $this->render(
            'ShuweeAdminBundle:Content:index.html.twig',
            [
                'datagrid' => $datagrid,
            ]
        );
    }