public function indexAction()
{
$journal = $this->get('ojs.journal_service')->getSelectedJournal();
$eventDispatcher = $this->get('event_dispatcher');
if (!$this->isGranted('VIEW', $journal, 'announcements')) {
throw new AccessDeniedException("You are not authorized for this page!");
}
$source = new Entity('OjsJournalBundle:JournalAnnouncement');
$grid = $this->get('grid')->setSource($source);
$gridAction = $this->get('grid_action');
$actionColumn = new ActionsColumn("actions", 'actions');
$rowAction[] = $gridAction->showAction('ojs_journal_announcement_show', ['id', 'journalId' => $journal->getId()]);
$rowAction[] = $gridAction->editAction('ojs_journal_announcement_edit', ['id', 'journalId' => $journal->getId()]);
$rowAction[] = $gridAction->deleteAction('ojs_journal_announcement_delete', ['id', 'journalId' => $journal->getId()]);
$actionColumn->setRowActions($rowAction);
$grid->addColumn($actionColumn);
$listEvent = new ListEvent();
$listEvent->setGrid($grid);
$eventDispatcher->dispatch(JournalAnnouncementEvents::LISTED, $listEvent);
$grid = $listEvent->getGrid();
return $grid->getGridResponse('OjsJournalBundle:JournalAnnouncement:index.html.twig');
}