public function buildForm(FormBuilderInterface $builder, array $options)
{
$builder->add('index', 'entity', ['class' => 'Ojs\\JournalBundle\\Entity\\Index', 'attr' => ['class' => ' form-control select2-element'], 'query_builder' => function (EntityRepository $er) {
return $er->createQueryBuilder('i')->andWhere('i.status = :status')->setParameter('status', true);
}, 'label' => 'journalindex.list'])->add('link', 'url', array('label' => 'journalindex.link'));
}