function PathWidget::validateFormElement

Form element validation handler for URL alias form element.

Parameters

array $element: The form element.

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

File

core/modules/path/src/Plugin/Field/FieldWidget/PathWidget.php, line 83

Class

PathWidget

Plugin implementation of the 'path' widget.

Namespace

Code

public static function validateFormElement(array &$element, FormStateInterface $form_state) {
    // Trim the submitted value of whitespace and slashes.
    $alias = rtrim(trim($element['alias']['#value']), " \\/");
    if ($alias !== '') {
        $form_state->setValueForElement($element['alias'], $alias);
        
        /** @var \Drupal\path_alias\PathAliasInterface $path_alias */
        $path_alias = \Drupal::entityTypeManager()->getStorage('path_alias')
            ->create([
            'path' => $element['source']['#value'],
            'alias' => $alias,
            'langcode' => $element['langcode']['#value'],
        ]);
        $violations = $path_alias->validate();
        foreach ($violations as $violation) {
            // Newly created entities do not have a system path yet, so we need to
            // disregard some violations.
            if (!$path_alias->getPath() && $violation->getPropertyPath() === 'path') {
                continue;
            }
            $form_state->setError($element['alias'], $violation->getMessage());
        }
    }
}