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

Same name and namespace in other branches

1. 8.2 src/Element/Registrants.php \Drupal\rng\Element\Registrants::validateIdentityElement()
2. 3.x src/Element/Registrants.php \Drupal\rng\Element\Registrants::validateIdentityElement()

Generic validator for the element.

File

src/Element/Registrants.php, line 613

Class

Registrants

Provides a form element for a registrant and person association.

Namespace

Drupal\rng\Element

Code

public static function validateIdentityElement(&$element, FormStateInterface $form_state, &$complete_form) {
  $utility = new RegistrantsElement($element, $form_state);
  $registrants = $element['#value'];
  $arity_is_single = $utility
    ->getArity() === 'single';
  if ($arity_is_single) {
    $registrants = array_slice($registrants, 0, 1);
    $change_it = $utility
      ->getChangeIt();
    if ($change_it) {

      // Ensure if the change it is TRUE and single form is open then throw
      // error.
      $form_state
        ->setError($element, t('You must select a person.'));
    }
  }

  // Store original form submission in temporary values.
  $values = $form_state
    ->getValue($element['#parents']);
  $form_state
    ->setTemporaryValue(array_merge([
    '_registrants_values',
  ], $element['#parents']), $values);

  // Change element value to registrant entities.
  $form_state
    ->setValueForElement($element, $registrants);
}