public static function Registrants::submitArityChange in RNG - Events and Registrations 8

For_arity radios submission handler.

Parameters

array $form:

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

File

src/Element/Registrants.php, line 862

Class

Registrants

Provides a form element for a registrant and person association.

Namespace

Drupal\rng\Element

Code

public static function submitArityChange(array $form, FormStateInterface $form_state) {
  $form_state
    ->setRebuild();
  $trigger = $form_state
    ->getTriggeringElement();
  $element = RegistrantsElement::findElement($form, $form_state);
  $utility = new RegistrantsElement($element, $form_state);

  /** @var \Drupal\rng\RegistrantInterface[] $people */
  $people = $element['#value'];
  $new_arity = $trigger['#value'];
  $utility
    ->setArity($new_arity);
  if (count($people) > 0) {
    if ($new_arity === 'single') {
      $utility
        ->clearPeopleFormInput();
      $utility
        ->setForBundleAsFirstRegistrant();
    }
    else {
      $utility
        ->clearPeopleFormInput();
      $parents = array_merge($element['#parents'], [
        'entities',
        'for_bundle',
      ]);
      NestedArray::unsetValue($form_state
        ->getUserInput(), $parents);
    }
  }
}