/**
  * get all timelines
  * @return array
  */
 public function getTimelines()
 {
     $timelines = \TimelineJSModel::findAll();
     $return = array();
     if ($timelines !== null) {
         while ($timelines->next()) {
             $return[$timelines->id] = $timelines->title;
         }
     }
     return $return;
 }