/**
  * @EXT\Route(
  *     "/simple_text_update/config/{widget}",
  *     name="claro_rss_config_update"
  * )
  * @EXT\Method("POST")
  */
 public function updateSimpleTextWidgetConfig(WidgetInstance $widget)
 {
     if (!$this->get('security.authorization_checker')->isGranted('edit', $widget)) {
         throw new AccessDeniedException();
     }
     $rssConfig = $this->get('claroline.manager.rss_manager')->getConfig($widget);
     $form = $this->container->get('form.factory')->create(new ConfigType(), new Config());
     $form->bind($this->getRequest());
     if ($rssConfig) {
         if ($form->isValid()) {
             $rssConfig->setUrl($form->get('url')->getData());
         } else {
             return $this->render('ClarolineRssReaderBundle::formRss.html.twig', array('form' => $form->createView(), 'isAdmin' => $widget->isAdmin(), 'config' => $widget));
         }
     } else {
         if ($form->isValid()) {
             $rssConfig = new Config();
             $rssConfig->setWidgetInstance($widget);
             $rssConfig->setUrl($form->get('url')->getData());
         } else {
             return $this->render('ClarolineRssReaderBundle::formRss.html.twig', array('form' => $form->createView(), 'isAdmin' => $widget->isAdmin(), 'config' => $widget));
         }
     }
     $em = $this->get('doctrine.orm.entity_manager');
     $em->persist($rssConfig);
     $em->flush();
     return new Response('', 204);
 }
 /**
  * @DI\Observe("copy_widget_config_claroline_rssreader")
  *
  * @param CopyWidgetConfigurationEvent $event
  */
 public function onCopyWidgetConfiguration(CopyWidgetConfigurationEvent $event)
 {
     $source = $event->getWidgetInstance();
     $copy = $event->getWidgetInstanceCopy();
     $widgetConfig = $this->rssManager->getConfig($source);
     if (!is_null($widgetConfig)) {
         $widgetConfigCopy = new Config();
         $widgetConfigCopy->setWidgetInstance($copy);
         $widgetConfigCopy->setUrl($widgetConfig->getUrl());
         $this->om->persist($widgetConfigCopy);
         $this->om->flush();
     }
     $event->validateCopy();
     $event->stopPropagation();
 }