public function postAdmin(Request $request, Page $page)
    {
        $this->authorize('editAdmin', $page);

        $page
            ->setInternalName($request->input('internal_name'))
            ->setAddPageBehaviour($request->input('add_behaviour'))
            ->setChildAddPageBehaviour($request->input('child_add_behaviour'))
            ->setDisableDelete($request->has('disable_delete'));

        PageFacade::save($page);
    }