protected function do_actions()
 {
     //                print_r($_POST);exit;
     $return_to_url = $this->get_redirect_script_return_url();
     if (isset($_GET['add_scene']) && isset($_GET['act_id'])) {
         $act = Oedipus_DramaHelper::get_act_by_id($_GET['act_id']);
         // an act, one scene.
         $scene = Oedipus_DramaHelper::add_scene($act);
         $scene_note = Oedipus_NotesHelper::add_note_to_scene_with_default_content($scene);
         $frame = Oedipus_DramaHelper::add_frame($scene, 'First frame', '0');
         $frame_note = Oedipus_NotesHelper::add_note_to_frame_with_default_content($frame);
         $return_to_url = Oedipus_DramaHelper::get_drama_page_url_for_scene_id($scene->get_id());
     }
     $this->set_return_to_url($return_to_url);
 }