public function setup()
 {
     parent::setup();
     unset($this['id']);
     unset($this['member_id']);
     unset($this['created_at']);
     unset($this['updated_at']);
     $this->widgetSchema['title'] = new sfWidgetFormInput();
     $this->widgetSchema['public_flag'] = new sfWidgetFormChoice(array('choices' => Doctrine::getTable('album')->getPublicFlags(), 'expanded' => true));
     $this->validatorSchema['public_flag'] = new sfValidatorChoice(array('choices' => array_keys(Doctrine::getTable('album')->getPublicFlags())));
 }