public function edit_articleAction(Request $request, $id)
    {
        $em = $this->getDoctrine()->getEntityManager();
        $article = $em->getRepository('PageNewsBundle:Article')
            ->find($id);

        if (!$article) {
            return $this->redirect($this->generateUrl('page_core_admin'));
        }

        $form = $this->createFormBuilder($article)
            ->add('title', 'text')
            ->add('subtitle', 'textarea')
            ->add('body','textarea', array('required' => false, 'attr' => array('class' => 'ckeditor')))
            ->add('articlecategory', 'entity', array(
                            'class' => 'PageNewsBundle:ArticleCategory',
                            //'preferred_choices' => array($article->getArticlecategory()->getId()),
                         ))
            ->getForm();

        if ($request->getMethod() == 'POST') {
                $form->bindRequest($request);
                if ($form->isValid()) {

                    $em->flush();

                    return $this->redirect($this->generateUrl('page_core_admin'));
                }
        }

        return $this->render('PageNewsBundle:Article:edit_article.html.twig', array(
                       'form' => $form->createView(),
                       'result' => $article,
        ));
    }

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