/**
  * Creates a form to delete a Article entity.
  *
  * @param Article $article The Article entity
  *
  * @return \Symfony\Component\Form\Form The form
  */
 private function createDeleteForm(Article $article)
 {
     return $this->createFormBuilder()->setAction($this->generateUrl('admin_article_delete', array('id' => $article->getId())))->setMethod('DELETE')->getForm();
 }