function CommentTypeDeleteForm::buildForm

Overrides EntityDeleteForm::buildForm

File

core/modules/comment/src/Form/CommentTypeDeleteForm.php, line 66

Class

CommentTypeDeleteForm

Provides a confirmation form for deleting a comment type entity.

Namespace

Code

public function buildForm(array $form, FormStateInterface $form_state) {
  $comments = $this->entityTypeManager
    ->getStorage('comment')
    ->getQuery()
    ->condition('comment_type', $this->entity
    ->id())
    ->execute();
  $entity_type = $this->entity
    ->getTargetEntityTypeId();
  $caption = '';
  foreach (array_keys($this->commentManager
    ->getFields($entity_type)) as $field_name) {
    /** @var \Drupal\field\FieldStorageConfigInterface $field_storage */
    if (($field_storage = FieldStorageConfig::loadByName($entity_type, $field_name)) && $field_storage->getSetting('comment_type') == $this->entity
      ->id() && !$field_storage->isDeleted()) {
      $caption .= '<p>' . $this->t('%label is used by the %field field on your site. You can not remove this comment type until you have removed the field.', [
        '%label' => $this->entity
          ->label(),
        '%field' => $field_storage->label(),
      ]) . '</p>';
    }
  }
  if (!empty($comments)) {
    $caption .= '<p>' . $this->formatPlural(count($comments), '%label is used by 1 comment on your site. You can not remove this comment type until you have removed all of the %label comments.', '%label is used by @count comments on your site. You may not remove %label until you have removed all of the %label comments.', [
      '%label' => $this->entity
        ->label(),
    ]) . '</p>';
  }
  if ($caption) {
    $form['description'] = [
      '#markup' => $caption,
    ];
    return $form;
  }
  else {
    return parent::buildForm($form, $form_state);
  }
}