public function ServerForm::validateForm in Search API 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/ServerForm.php, line 265

Class

ServerForm

Provides a form for creating and editing search servers.

Namespace

Drupal\search_api\Form

Code

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

  /** @var \Drupal\search_api\ServerInterface $server */
  $server = $this
    ->getEntity();

  // Check if the backend plugin changed.
  $backend_id = $server
    ->getBackendId();
  if ($backend_id != $form_state
    ->get('backend')) {

    // This can only happen during initial server creation, since we don't
    // allow switching the backend afterwards. The user has selected a
    // different backend, so any values entered for the other backend should
    // be discarded.
    $input =& $form_state
      ->getUserInput();
    $input['backend_config'] = [];
    $new_backend = $this->backendPluginManager
      ->createInstance($form_state
      ->getValue('backend'));
    if ($new_backend instanceof PluginFormInterface) {
      $form_state
        ->setRebuild();
    }
  }
  elseif ($server
    ->hasValidBackend()) {
    $backend = $server
      ->getBackend();
    if ($backend instanceof PluginFormInterface) {
      $backend_form_state = SubformState::createForSubform($form['backend_config'], $form, $form_state);
      $backend
        ->validateConfigurationForm($form['backend_config'], $backend_form_state);
    }
  }
}