Kunstmaan / KunstmaanBundlesCMS

        $locale = $this->locale;

        $acl = $this->authorizationChecker;

        $itemRoute = function (EntityInterface $item) use ($locale, $acl) {

            if ($acl->isGranted(PermissionMap::PERMISSION_VIEW, $item->getNode())) {

                return array(

                    'path' => '_slug_preview',

                    'params' => ['_locale' => $locale, 'url' => $item->getUrl()],

                );

            }

            return null;

        };

        $nodeAdminListConfigurator->addSimpleItemAction('action.preview', $itemRoute, 'eye');

        $nodeAdminListConfigurator->addListAction(

        $nodeAdminListConfigurator->addSimpleItemAction(

            'action.undo_delete',

            function (EntityInterface $item) use ($locale, $acl) {

                if ($acl->isGranted(PermissionMap::PERMISSION_DELETE, $item->getNode())) {

                    return [

                        'path' => 'KunstmaanNodeBundle_nodes_delete_undo',

                        'params' => [

                            '_locale' => $locale,

                            'id' => $item->getNode()->getId()

                        ],

                    ];

                }

                return null;

            },

            'undo'

        );