protected function do_actions()
 {
     $this->set_return_message('edited note');
     $this->get_variables = array();
     /*
      * The $_POST
      */
     if (isset($_POST['edit_note']) && isset($_POST['note_id']) && isset($_POST['note_text'])) {
         Oedipus_NotesHelper::set_note_text($_POST['note_id'], $_POST['note_text']);
     } elseif (isset($_POST['add_note']) && isset($_POST['frame_id'])) {
         $frame = Oedipus_DramaHelper::get_frame_by_id($_POST['frame_id']);
         if (isset($_POST['note_text'])) {
             Oedipus_NotesHelper::add_note_to_frame($frame, $_POST['note_text']);
         }
     }
     /*
      * The $_GET
      */
     if (isset($_POST['drama_id'])) {
         $this->get_variables['drama_id'] = $_POST['drama_id'];
     }
     if (isset($_POST['frame_id'])) {
         $this->get_variables['frame_id'] = $_POST['frame_id'];
     }
     $return_to_url = $this->get_return_to_url();
     $this->set_return_to_url($return_to_url);
 }