/**
* {@inheritdoc}
*/
public function buildForm(FormBuilderInterface $builder, array $options)
{
$builder->add('added', 'oro_entity_identifier', ['class' => $options['class'], 'multiple' => true])->add('removed', 'oro_entity_identifier', ['class' => $options['class'], 'multiple' => true]);
if ($options['extend']) {
$em = $this->entityManager;
$class = $options['class'];
$builder->addEventListener(FormEvents::PRE_SUBMIT, function (FormEvent $event) use($em, $class) {
$data = $event->getData();
$repository = $em->getRepository($class);
$targetData = $event->getForm()->getParent()->getData();
$fieldName = $event->getForm()->getName();
if (!empty($data['added'])) {
foreach (explode(',', $data['added']) as $id) {
$entity = $repository->find($id);
if ($entity) {
FieldAccessor::addValue($targetData, $fieldName, $entity);
}
}
}
if (!empty($data['removed'])) {
foreach (explode(',', $data['removed']) as $id) {
$entity = $repository->find($id);
if ($entity) {
FieldAccessor::removeValue($targetData, $fieldName, $entity);
}
}
}
});
}
}
public function testAddAndRemoveValue()
{
$entity = new FieldAccessorTestEntity();
$this->assertCount(0, $entity->getRelatedEntities());
$this->assertCount(0, $entity->getAnotherRelatedEntities());
$relatedEntity1 = new DemoEntity(1);
$relatedEntity2 = new DemoEntity(2);
FieldAccessor::addValue($entity, 'related_entity', $relatedEntity1);
FieldAccessor::addValue($entity, 'anotherRelatedEntity', $relatedEntity2);
$this->assertCount(1, $entity->getRelatedEntities());
$this->assertSame($relatedEntity1, $entity->getRelatedEntities()->first());
$this->assertCount(1, $entity->getAnotherRelatedEntities());
$this->assertSame($relatedEntity2, $entity->getAnotherRelatedEntities()->first());
FieldAccessor::removeValue($entity, 'related_entity', $relatedEntity1);
FieldAccessor::removeValue($entity, 'anotherRelatedEntity', $relatedEntity2);
$this->assertCount(0, $entity->getRelatedEntities());
$this->assertCount(0, $entity->getAnotherRelatedEntities());
}
