public static function AsyncMetatagFirehose::ajaxFormRefresh in Metatag Asynchronous Widget 1.0.x

Ajax callback for the "Customize meta tags" button.

File

src/Plugin/Field/FieldWidget/AsyncMetatagFirehose.php, line 29

Class

AsyncMetatagFirehose

Asynchronous widget for the Metatag field.

Namespace

Drupal\metatag_async_widget\Plugin\Field\FieldWidget

Code

public static function ajaxFormRefresh(array $form, FormStateInterface $form_state) {
  $triggering_element = $form_state
    ->getTriggeringElement();

  // This will be placed inside a details element so remove everything that
  // would make add a nested details element.
  $form = NestedArray::getValue($form, array_slice($triggering_element['#array_parents'], 0, -1));
  $children = Element::children($form);
  $form = array_intersect_key($form, array_flip($children));
  return $form;
}