vendor/symfony/ux-autocomplete/src/Form/AutocompleteEntityTypeSubscriber.php line 31

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  1. <?php
  3. /*
  4.  * This file is part of the Symfony package.
  5.  *
  6.  * (c) Fabien Potencier <fabien@symfony.com>
  7.  *
  8.  * For the full copyright and license information, please view the LICENSE
  9.  * file that was distributed with this source code.
  10.  */
  12. namespace Symfony\UX\Autocomplete\Form;
  14. use Symfony\Bridge\Doctrine\Form\Type\EntityType;
  15. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  16. use Symfony\Component\Form\FormEvent;
  17. use Symfony\Component\Form\FormEvents;
  19. /**
  20.  * Helps transform ParentEntityAutocompleteType into a EntityType that will not load all options.
  21.  *
  22.  * @internal
  23.  */
  24. final class AutocompleteEntityTypeSubscriber implements EventSubscriberInterface
  25. {
  26.     public function __construct(
  27.         private ?string $autocompleteUrl = null
  28.     ) {
  29.     }
  31.     public function preSetData(FormEvent $event)
  32.     {
  33.         $form = $event->getForm();
  34.         $data = $event->getData() ?: [];
  36.         $options = $form->getConfig()->getOptions();
  37.         $options['compound'] = false;
  38.         $options['choices'] = is_iterable($data) ? $data : [$data];
  39.         // pass to AutocompleteChoiceTypeExtension
  40.         $options['autocomplete'] = true;
  41.         $options['autocomplete_url'] = $this->autocompleteUrl;
  42.         unset($options['searchable_fields'], $options['security'], $options['filter_query']);
  44.         $form->add('autocomplete', EntityType::class, $options);
  45.     }
  47.     public function preSubmit(FormEvent $event)
  48.     {
  49.         $data = $event->getData();
  50.         $form = $event->getForm();
  51.         $options = $form->get('autocomplete')->getConfig()->getOptions();
  53.         if (!isset($data['autocomplete']) || '' === $data['autocomplete']) {
  54.             $options['choices'] = [];
  55.         } else {
  56.             $options['choices'] = $options['em']->getRepository($options['class'])->findBy([
  57.                 $options['id_reader']->getIdField() => $data['autocomplete'],
  58.             ]);
  59.         }
  61.         // reset some critical lazy options
  62.         unset($options['em'], $options['loader'], $options['empty_data'], $options['choice_list'], $options['choices_as_values']);
  64.         $form->add('autocomplete', EntityType::class, $options);
  65.     }
  67.     public static function getSubscribedEvents(): array
  68.     {
  69.         return [
  70.             FormEvents::PRE_SET_DATA => 'preSetData',
  71.             FormEvents::PRE_SUBMIT => 'preSubmit',
  72.         ];
  73.     }
  74. }