public function GeneralSettingsForm::validateForm in Diff 8

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

src/Form/GeneralSettingsForm.php, line 209

Class

GeneralSettingsForm

Configure global diff settings.

Namespace

Drupal\diff\Form

Code

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

  // Make sure there is at least one layout enabled.
  $enabled_layouts = [];
  foreach ($form_state
    ->getValue('layout_plugins') as $key => $layout) {
    if ($layout['enabled']) {
      $enabled_layouts[] = $key;
    }
  }
  if (!$enabled_layouts) {
    $form_state
      ->setErrorByName('layout_plugins', t('At least one layout plugin needs to be enabled.'));
  }
}