public static function PaymentReferenceBase::processMaxWeight in Payment 8.2

Implements form #process callback.

File

src/Element/PaymentReferenceBase.php, line 299

Class

PaymentReferenceBase

Provides a base for payment reference elements.

Namespace

Drupal\payment\Element

Code

public static function processMaxWeight(array &$element, FormStateInterface $form_state, array $form) {
  $parent_element = NestedArray::getValue($form, array_slice($element['#array_parents'], 0, -1));
  $weights = [];
  foreach (Element::children($parent_element) as $sibling_key) {
    $weights[] = isset($parent_element[$sibling_key]['#weight']) ? $parent_element[$sibling_key]['#weight'] : 0;
  }
  $element['#weight'] = max($weights) + 1;
  return $element;
}