public function PageVariantAddForm::validateForm in Page Manager 8

Same name and namespace in other branches

1. 8.4 page_manager_ui/src/Form/PageVariantAddForm.php \Drupal\page_manager_ui\Form\PageVariantAddForm::validateForm()

Form validation handler.

Parameters

array $form: An associative array containing the structure of the form.

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

Overrides FormBase::validateForm

File

page_manager_ui/src/Form/PageVariantAddForm.php, line 124

Contains Drupal\page_manager_ui\Form\PageVariantAddForm.

Class

PageVariantAddForm

Provides a form for adding a variant.

Namespace

Drupal\page_manager_ui\Form

Code

public function validateForm(array &$form, FormStateInterface $form_state) {

  // If the label is not present or is an empty string.
  if (!$form_state
    ->hasValue('label') || !$form_state
    ->getValue('label')) {
    $cached_values = $form_state
      ->getTemporaryValue('wizard');

    /** @var $page_variant \Drupal\page_manager\Entity\PageVariant */
    $page_variant = $cached_values['page_variant'];
    $plugin = $page_variant
      ->getVariantPlugin();

    /** @var \Drupal\Core\StringTranslation\TranslatableMarkup $admin_label */
    $admin_label = $plugin
      ->getPluginDefinition()['admin_label'];
    $form_state
      ->setValue('label', (string) $admin_label);
  }

  // Currently the parent does nothing, but that could change.
  parent::validateForm($form, $form_state);
}