public function EntityTypeInfo::entityPrepareForm in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/content_moderation/src/EntityTypeInfo.php \Drupal\content_moderation\EntityTypeInfo::entityPrepareForm()

Replaces the entity form entity object with a proper revision object.

Parameters

\Drupal\Core\Entity\EntityInterface $entity: The entity being edited.

string $operation: The entity form operation.

\Drupal\Core\Form\FormStateInterface $form_state: The form state.

See also

hook_entity_prepare_form()

File

core/modules/content_moderation/src/EntityTypeInfo.php, line 287

Class

EntityTypeInfo

Manipulates entity type information.

Namespace

Drupal\content_moderation

Code

public function entityPrepareForm(EntityInterface $entity, $operation, FormStateInterface $form_state) {

  /** @var \Drupal\Core\Entity\EntityFormInterface $form_object */
  $form_object = $form_state
    ->getFormObject();
  if ($this
    ->isModeratedEntityEditForm($form_object) && !$entity
    ->isNew()) {

    // Generate a proper revision object for the current entity. This allows
    // to correctly handle translatable entities having pending revisions.

    /** @var \Drupal\Core\Entity\ContentEntityStorageInterface $storage */
    $storage = $this->entityTypeManager
      ->getStorage($entity
      ->getEntityTypeId());

    /** @var \Drupal\Core\Entity\ContentEntityInterface $new_revision */
    $new_revision = $storage
      ->createRevision($entity, FALSE);

    // Restore the revision ID as other modules may expect to find it still
    // populated. This will reset the "new revision" flag, however the entity
    // object will be marked as a new revision again on submit.
    // @see \Drupal\Core\Entity\ContentEntityForm::buildEntity()
    $revision_key = $new_revision
      ->getEntityType()
      ->getKey('revision');
    $new_revision
      ->set($revision_key, $new_revision
      ->getLoadedRevisionId());
    $form_object
      ->setEntity($new_revision);
  }
}