/**
  * BeforeFilter Event
  *
  * This method will check if the `initPostTypes`-method exists in the
  * `AppController`. That method contains PostTypes to add.
  *
  * @param \Cake\Event\Event $event Event.
  * @return void
  */
 public function beforeFilter($event)
 {
     $this->setController($event->subject());
     if ($this->Controller->Manager->prefix('admin')) {
         if (method_exists($this->Controller, 'initPostTypes')) {
             $this->Controller->initPostTypes($event);
         }
     }
 }