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| <?php | |
| namespace Ibms\AppBundle\Form\EventListener; | |
| use Doctrine\ORM\EntityRepository; | |
| use Doctrine\ORM\Query\Expr\From; | |
| use Ibms\SupplierBundle\Entity\Supplier; | |
| use Symfony\Component\Form\FormEvent; | |
| use Symfony\Component\Form\FormEvents; | |
| use Symfony\Component\Form\FormFactoryInterface; | |
| use Symfony\Component\Form\FormInterface; | |
| use Symfony\Component\EventDispatcher\EventSubscriberInterface; | |
| class ApplianceTypeListener implements EventSubscriberInterface | |
| { | |
| private $factory; | |
| private $fieldName; | |
| public function __construct($fieldName, FormFactoryInterface $factory) | |
| { | |
| $this->factory = $factory; | |
| $this->fieldName = $fieldName; | |
| } | |
| public function preBind(FormEvent $event) | |
| { | |
| $form = $event->getForm(); | |
| $data = $event->getData(); | |
| $this->addApplianceType($form, $data['supplier']); | |
| } | |
| public function preSetData(FormEvent $event) | |
| { | |
| $form = $event->getForm(); | |
| $data = $event->getData(); | |
| if (null === $data) { | |
| return; | |
| } | |
| $supplierId = $data->getSupplier() ? | |
| $data->getSupplier()->getId() : | |
| null; | |
| $this->addApplianceType($form, $supplierId); | |
| } | |
| protected function addApplianceType(FormInterface $form, $supplierId) | |
| { | |
| $form->add($this->factory->createNamed($this->fieldName, 'entity', null, array( | |
| 'class' => 'Ibms\\SupplierBundle\\Entity\\ApplianceType', | |
| 'empty_value' => 'Pick one', | |
| 'property' => 'type', | |
| 'required' => false, | |
| 'query_builder' => function (EntityRepository $er) use ($supplierId) { | |
| $qb = $er->createQueryBuilder('a'); | |
| $qb->add('from', new From('Ibms\\SupplierBundle\\Entity\\Supplier', 's'), true) | |
| ->andWhere('a MEMBER OF s.applianceTypes') | |
| ->andWhere('s.id = :supplierId'); | |
| $qb->setParameters(array( | |
| 'supplierId' => $supplierId, | |
| )); | |
| return $qb; | |
| } | |
| ))); | |
| } | |
| public static function getSubscribedEvents() | |
| { | |
| return array( | |
| FormEvents::PRE_BIND => 'preBind', | |
| FormEvents::PRE_SET_DATA => 'preSetData' | |
| ); | |
| } | |
| } |
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| <?php | |
| class ConsumingType extends AbstractType | |
| { | |
| public function buildForm(FormBuilderInterface $builder, array $options) | |
| { | |
| // ... | |
| // Handles adding a dropdown for Type given the forms set data | |
| $builder->addEventSubscriber(new ApplianceTypeListener('type', $builder->getFormFactory())); | |
| } | |
| } |
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