public function FieldConfigDeleteForm::buildForm in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/field_ui/src/Form/FieldConfigDeleteForm.php \Drupal\field_ui\Form\FieldConfigDeleteForm::buildForm()
2. 10 core/modules/field_ui/src/Form/FieldConfigDeleteForm.php \Drupal\field_ui\Form\FieldConfigDeleteForm::buildForm()

Form constructor.

Parameters

array $form: An associative array containing the structure of the form.

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

Return value

array The form structure.

Overrides EntityDeleteForm::buildForm

File

core/modules/field_ui/src/Form/FieldConfigDeleteForm.php, line 49

Class

FieldConfigDeleteForm

Provides a form for removing a field from a bundle.

Namespace

Drupal\field_ui\Form

Code

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;
}