public function updateDefaultsFromObject()
 {
   parent::updateDefaultsFromObject();
   if ($this->isNew())
   {
     $this->setDefault('internal_published_at', time());
   }
 }
 public function  configure()
 {
   $this->useFields(array('id', 'title', 'content', 'author_id'));
   parent::configure();
   $this->widgetSchema->setNameFormat('sf_simple_quick_post[%s]');
 }