You are here

class WebformInvitationForm in Webform Invitation 8

Same name and namespace in other branches
  1. 2.0.x src/Form/WebformInvitationForm.php \Drupal\webform_invitation\Form\WebformInvitationForm

Enable or disable invitations for the current webform.

Hierarchy

Expanded class hierarchy of WebformInvitationForm

1 string reference to 'WebformInvitationForm'
webform_invitation.routing.yml in ./webform_invitation.routing.yml
webform_invitation.routing.yml

File

src/Form/WebformInvitationForm.php, line 14

Namespace

Drupal\webform_invitation\Form
View source
class WebformInvitationForm extends FormBase {
  use MessengerTrait;

  /**
   * {@inheritdoc}
   */
  public function getFormId() {
    return 'webform_invitation_form';
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state, WebformInterface $webform = NULL) {
    $elements = $webform
      ->getElementsDecodedAndFlattened();

    // Check if current webform has enabled invitations.
    $enabled = isset($elements['webform_invitation_code']);
    $form['webform_invitation'] = [
      '#type' => 'details',
      '#title' => $this
        ->t('Webform Invitation'),
      '#open' => TRUE,
    ];
    $form['webform_invitation']['enable'] = [
      '#type' => 'checkbox',
      '#title' => $this
        ->t('Enable invitations for this webform'),
      '#default_value' => $enabled,
      '#description' => $this
        ->t('If checked, invitations will be enabled for this webform.'),
    ];
    $form['webform'] = [
      '#type' => 'value',
      '#value' => $webform,
    ];
    $form['submit'] = [
      '#type' => 'submit',
      '#value' => $this
        ->t('Save'),
      '#button_type' => 'primary',
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {

    /** @var \Drupal\webform\Entity\Webform $webform */
    $webform = $form_state
      ->getValue('webform');

    // Check if user wants to enable invitations.
    $enable = boolval($form_state
      ->getValue('enable'));
    $elements = $webform
      ->getElementsDecodedAndFlattened();

    // Check if current webform has enabled invitations.
    $enabled = isset($elements['webform_invitation_code']);

    // User wants invitations to be enabled.
    if ($enable) {

      // Only if invitations are not enabled.
      if (!$enabled) {

        // Create new code element.
        $element = [
          'webform_invitation_code' => [
            '#type' => 'textfield',
            '#title' => $this
              ->t('Invitation Code')
              ->render(),
            '#default_value' => '[current-page:query:code:clear]',
            '#description' => $this
              ->t('Enter your personal invitation code (only applies if the field is not populated yet).')
              ->render(),
            '#maxlength' => 64,
            '#required' => TRUE,
          ],
        ];

        // Prepend code element before others.
        $elements = $element + $elements;

        // Save changed elements into webform.
        $webform
          ->setElements($elements);
        $webform
          ->save();
      }
      $this
        ->messenger()
        ->addMessage($this
        ->t('Invitation mode has been activated. You should now <a href="@link">create some invitation codes</a>.', [
        '@link' => Url::fromRoute('entity.webform.invitation_generate', [
          'webform' => $webform
            ->id(),
        ])
          ->toString(),
      ]));
    }
    else {

      // Only if invitations are enabled.
      if ($enabled) {

        // Delete code element from webform.
        $webform
          ->deleteElement('webform_invitation_code');
        $webform
          ->save();
      }
      $this
        ->messenger()
        ->addMessage($this
        ->t('Invitation mode has been disabled.'));
    }
  }

}

Members

Namesort descending Modifiers Type Description Overrides
DependencySerializationTrait::$_entityStorages protected property An array of entity type IDs keyed by the property name of their storages.
DependencySerializationTrait::$_serviceIds protected property An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep public function 1
DependencySerializationTrait::__wakeup public function 2
FormBase::$configFactory protected property The config factory. 1
FormBase::$requestStack protected property The request stack. 1
FormBase::$routeMatch protected property The route match.
FormBase::config protected function Retrieves a configuration object.
FormBase::configFactory protected function Gets the config factory for this form. 1
FormBase::container private function Returns the service container.
FormBase::create public static function Instantiates a new instance of this class. Overrides ContainerInjectionInterface::create 87
FormBase::currentUser protected function Gets the current user.
FormBase::getRequest protected function Gets the request object.
FormBase::getRouteMatch protected function Gets the route match.
FormBase::logger protected function Gets the logger for a specific channel.
FormBase::redirect protected function Returns a redirect response object for the specified route. Overrides UrlGeneratorTrait::redirect
FormBase::resetConfigFactory public function Resets the configuration factory.
FormBase::setConfigFactory public function Sets the config factory for this form.
FormBase::setRequestStack public function Sets the request stack object to use.
FormBase::validateForm public function Form validation handler. Overrides FormInterface::validateForm 62
LinkGeneratorTrait::$linkGenerator protected property The link generator. 1
LinkGeneratorTrait::getLinkGenerator Deprecated protected function Returns the link generator.
LinkGeneratorTrait::l Deprecated protected function Renders a link to a route given a route name and its parameters.
LinkGeneratorTrait::setLinkGenerator Deprecated public function Sets the link generator service.
LoggerChannelTrait::$loggerFactory protected property The logger channel factory service.
LoggerChannelTrait::getLogger protected function Gets the logger for a specific channel.
LoggerChannelTrait::setLoggerFactory public function Injects the logger channel factory.
MessengerTrait::$messenger protected property The messenger. 29
MessengerTrait::messenger public function Gets the messenger. 29
MessengerTrait::setMessenger public function Sets the messenger.
RedirectDestinationTrait::$redirectDestination protected property The redirect destination service. 1
RedirectDestinationTrait::getDestinationArray protected function Prepares a 'destination' URL query parameter for use with \Drupal\Core\Url.
RedirectDestinationTrait::getRedirectDestination protected function Returns the redirect destination service.
RedirectDestinationTrait::setRedirectDestination public function Sets the redirect destination service.
StringTranslationTrait::$stringTranslation protected property The string translation service. 1
StringTranslationTrait::formatPlural protected function Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals protected function Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation protected function Gets the string translation service.
StringTranslationTrait::setStringTranslation public function Sets the string translation service to use. 2
StringTranslationTrait::t protected function Translates a string to the current language or to a given language.
UrlGeneratorTrait::$urlGenerator protected property The url generator.
UrlGeneratorTrait::getUrlGenerator Deprecated protected function Returns the URL generator service.
UrlGeneratorTrait::setUrlGenerator Deprecated public function Sets the URL generator service.
UrlGeneratorTrait::url Deprecated protected function Generates a URL or path for a specific route based on the given parameters.
WebformInvitationForm::buildForm public function Form constructor. Overrides FormInterface::buildForm
WebformInvitationForm::getFormId public function Returns a unique string identifying the form. Overrides FormInterface::getFormId
WebformInvitationForm::submitForm public function Form submission handler. Overrides FormInterface::submitForm