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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\field_ui\Form\FieldConfigDeleteForm. | |
| */ | |
| namespace Drupal\field_ui\Form; | |
| use Drupal\Core\Config\Entity\ConfigEntityInterface; | |
| use Drupal\Core\Entity\EntityDeleteForm; | |
| use Drupal\Core\Entity\EntityManagerInterface; | |
| use Drupal\Core\Form\FormStateInterface; | |
| use Drupal\Core\Render\Element; | |
| use Drupal\field_ui\FieldUI; | |
| use Symfony\Component\DependencyInjection\ContainerInterface; | |
| /** | |
| * Provides a form for removing a field from a bundle. | |
| */ | |
| class FieldConfigDeleteForm extends EntityDeleteForm { | |
| /** | |
| * The entity manager. | |
| * | |
| * @var \Drupal\Core\Entity\EntityManagerInterface | |
| */ | |
| protected $entityManager; | |
| /** | |
| * Constructs a new FieldConfigDeleteForm object. | |
| * | |
| * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager | |
| * The entity manager. | |
| */ | |
| public function __construct(EntityManagerInterface $entity_manager) { | |
| $this->entityManager = $entity_manager; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public static function create(ContainerInterface $container) { | |
| return new static( | |
| $container->get('entity.manager') | |
| ); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function buildForm(array $form, FormStateInterface $form_state) { | |
| $form = parent::buildForm($form, $form_state); | |
| // If we are adding the field storage as a dependency to delete, then that | |
| // will list the field as a dependency. That is confusing, so remove it. | |
| // Also remove the entity type and the whole entity deletions details | |
| // element if nothing else is in there. | |
| if (isset($form['entity_deletes']['field_config']['#items']) && isset($form['entity_deletes']['field_config']['#items'][$this->entity->id()])) { | |
| unset($form['entity_deletes']['field_config']['#items'][$this->entity->id()]); | |
| if (empty($form['entity_deletes']['field_config']['#items'])) { | |
| unset($form['entity_deletes']['field_config']); | |
| if (!Element::children($form['entity_deletes'])) { | |
| $form['entity_deletes']['#access'] = FALSE; | |
| } | |
| } | |
| } | |
| return $form; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| protected function getConfigNamesToDelete(ConfigEntityInterface $entity) { | |
| /** @var \Drupal\field\FieldStorageConfigInterface $field_storage */ | |
| $field_storage = $entity->getFieldStorageDefinition(); | |
| $config_names = [$entity->getConfigDependencyName()]; | |
| // If there is only one bundle left for this field storage, it will be | |
| // deleted too, notify the user about dependencies. | |
| if (count($field_storage->getBundles()) <= 1) { | |
| $config_names[] = $field_storage->getConfigDependencyName(); | |
| } | |
| return $config_names; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function getCancelUrl() { | |
| return FieldUI::getOverviewRouteInfo($this->entity->getTargetEntityTypeId(), $this->entity->getTargetBundle()); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function submitForm(array &$form, FormStateInterface $form_state) { | |
| $field_storage = $this->entity->getFieldStorageDefinition(); | |
| $bundles = $this->entityManager->getBundleInfo($this->entity->getTargetEntityTypeId()); | |
| $bundle_label = $bundles[$this->entity->getTargetBundle()]['label']; | |
| if ($field_storage && !$field_storage->isLocked()) { | |
| $this->entity->delete(); | |
| drupal_set_message($this->t('The field %field has been deleted from the %type content type.', array('%field' => $this->entity->label(), '%type' => $bundle_label))); | |
| } | |
| else { | |
| drupal_set_message($this->t('There was a problem removing the %field from the %type content type.', array('%field' => $this->entity->label(), '%type' => $bundle_label)), 'error'); | |
| } | |
| $form_state->setRedirectUrl($this->getCancelUrl()); | |
| // Fields are purged on cron. However field module prevents disabling modules | |
| // when field types they provided are used in a field until it is fully | |
| // purged. In the case that a field has minimal or no content, a single call | |
| // to field_purge_batch() will remove it from the system. Call this with a | |
| // low batch limit to avoid administrators having to wait for cron runs when | |
| // removing fields that meet this criteria. | |
| field_purge_batch(10); | |
| } | |
| } |