Ojs\AdminBundle\Controller\AdminMailTemplateController::editAction PHP Method

    public function editAction($id)
    {
        $mailEventsChain = $this->get('ojs_core.mail.event_chain');
        $em = $this->getDoctrine()->getManager();
        /** @var MailTemplate $entity */
        $entity = $em->getRepository('OjsJournalBundle:MailTemplate')->find($id);
        $this->throw404IfNotFound($entity);
        $editForm = $this->createEditForm($entity);
        $eventDetail = $mailEventsChain->getEventOptionsByName($entity->getType());
        $eventParamsAsString = $mailEventsChain->getEventParamsAsString($eventDetail);
        return $this->render('OjsAdminBundle:AdminMailTemplate:edit.html.twig', array('entity' => $entity, 'form' => $editForm->createView(), 'eventDetail' => $eventDetail, 'eventParamsAsString' => $eventParamsAsString));
    }