function FieldConfigDeleteForm::buildForm

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

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;
}