public static function EntityReferenceHierarchySelect::validateElement in Entity Reference Hierarchy 3.x

Same name and namespace in other branches

1. 8.2 src/Plugin/Field/FieldWidget/EntityReferenceHierarchySelect.php \Drupal\entity_hierarchy\Plugin\Field\FieldWidget\EntityReferenceHierarchySelect::validateElement()

Form validation handler for widget elements.

Parameters

array $element: The form element.

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

Overrides OptionsWidgetBase::validateElement

File

src/Plugin/Field/FieldWidget/EntityReferenceHierarchySelect.php, line 132

Class

EntityReferenceHierarchySelect

Select widget.

Namespace

Drupal\entity_hierarchy\Plugin\Field\FieldWidget

Code

public static function validateElement(array $element, FormStateInterface $form_state) {
  if ($element['#value'] == '_none') {
    if ($element['#required'] && $element['#value'] == '_none') {
      $form_state
        ->setError($element, t('@name field is required.', [
        '@name' => $element['#title'],
      ]));
    }
    else {
      $form_state
        ->setValueForElement($element, NULL);
    }
  }
  else {
    $form_state
      ->setValueForElement($element, $element['#value']);
  }
}