public function PageGeneralForm::validatePath in Page Manager 8

Same name and namespace in other branches

1. 8.4 page_manager_ui/src/Form/PageGeneralForm.php \Drupal\page_manager_ui\Form\PageGeneralForm::validatePath()

File

page_manager_ui/src/Form/PageGeneralForm.php, line 168

Contains \Drupal\page_manager_ui\Form\PageGeneralForm.

Class

PageGeneralForm

Namespace

Drupal\page_manager_ui\Form

Code

public function validatePath(&$element, FormStateInterface $form_state) {
  $cached_values = $form_state
    ->getTemporaryValue('wizard');

  /** @var $page \Drupal\page_manager\Entity\Page */
  $page = $cached_values['page'];

  // Ensure the path has a leading slash.
  $value = '/' . trim($element['#value'], '/');
  $form_state
    ->setValueForElement($element, $value);

  // Ensure each path is unique.
  $path_query = $this->entityQuery
    ->get('page')
    ->condition('path', $value);
  if (!$page
    ->isNew()) {
    $path_query
      ->condition('id', $page
      ->id(), '<>');
  }
  $path = $path_query
    ->execute();
  if ($path) {
    $form_state
      ->setErrorByName('path', $this
      ->t('The page path must be unique.'));
  }
}