1. 8.2.x core/modules/taxonomy/src/VocabularyForm.php VocabularyForm
  2. 8.0.x core/modules/taxonomy/src/VocabularyForm.php VocabularyForm
  3. 8.1.x core/modules/taxonomy/src/VocabularyForm.php VocabularyForm
  4. 8.3.x core/modules/taxonomy/src/VocabularyForm.php VocabularyForm

Base form for vocabulary edit forms.


Expanded class hierarchy of VocabularyForm


core/modules/taxonomy/src/VocabularyForm.php, line 15


View source
class VocabularyForm extends BundleEntityFormBase {

   * The vocabulary storage.
   * @var \Drupal\taxonomy\VocabularyStorageInterface.
  protected $vocabularyStorage;

   * Constructs a new vocabulary form.
   * @param \Drupal\taxonomy\VocabularyStorageInterface $vocabulary_storage
   *   The vocabulary storage.
  public function __construct(VocabularyStorageInterface $vocabulary_storage) {
    $this->vocabularyStorage = $vocabulary_storage;

   * {@inheritdoc}
  public static function create(ContainerInterface $container) {
    return new static(

   * {@inheritdoc}
  public function form(array $form, FormStateInterface $form_state) {
    $vocabulary = $this->entity;
    if ($vocabulary->isNew()) {
      $form['#title'] = $this->t('Add vocabulary');
    else {
      $form['#title'] = $this->t('Edit vocabulary');

    $form['name'] = array(
      '#type' => 'textfield',
      '#title' => $this->t('Name'),
      '#default_value' => $vocabulary->label(),
      '#maxlength' => 255,
      '#required' => TRUE,
    $form['vid'] = array(
      '#type' => 'machine_name',
      '#default_value' => $vocabulary->id(),
      '#maxlength' => EntityTypeInterface::BUNDLE_MAX_LENGTH,
      '#machine_name' => array(
        'exists' => array($this, 'exists'),
        'source' => array('name'),
    $form['description'] = array(
      '#type' => 'textfield',
      '#title' => $this->t('Description'),
      '#default_value' => $vocabulary->getDescription(),

    // $form['langcode'] is not wrapped in an
    // if ($this->moduleHandler->moduleExists('language')) check because the
    // language_select form element works also without the language module being
    // installed. https://www.drupal.org/node/1749954 documents the new element.
    $form['langcode'] = array(
      '#type' => 'language_select',
      '#title' => $this->t('Vocabulary language'),
      '#languages' => LanguageInterface::STATE_ALL,
      '#default_value' => $vocabulary->language()->getId(),
    if ($this->moduleHandler->moduleExists('language')) {
      $form['default_terms_language'] = array(
        '#type' => 'details',
        '#title' => $this->t('Terms language'),
        '#open' => TRUE,
      $form['default_terms_language']['default_language'] = array(
        '#type' => 'language_configuration',
        '#entity_information' => array(
          'entity_type' => 'taxonomy_term',
          'bundle' => $vocabulary->id(),
        '#default_value' => ContentLanguageSettings::loadByEntityTypeBundle('taxonomy_term', $vocabulary->id()),
    // Set the hierarchy to "multiple parents" by default. This simplifies the
    // vocabulary form and standardizes the term form.
    $form['hierarchy'] = array(
      '#type' => 'value',
      '#value' => '0',

    $form = parent::form($form, $form_state);
    return $this->protectBundleIdElement($form);

   * {@inheritdoc}
  public function save(array $form, FormStateInterface $form_state) {
    $vocabulary = $this->entity;

    // Prevent leading and trailing spaces in vocabulary names.
    $vocabulary->set('name', trim($vocabulary->label()));

    $status = $vocabulary->save();
    $edit_link = $this->entity->link($this->t('Edit'));
    switch ($status) {
      case SAVED_NEW:
        drupal_set_message($this->t('Created new vocabulary %name.', array('%name' => $vocabulary->label())));
        $this->logger('taxonomy')->notice('Created new vocabulary %name.', array('%name' => $vocabulary->label(), 'link' => $edit_link));

      case SAVED_UPDATED:
        drupal_set_message($this->t('Updated vocabulary %name.', array('%name' => $vocabulary->label())));
        $this->logger('taxonomy')->notice('Updated vocabulary %name.', array('%name' => $vocabulary->label(), 'link' => $edit_link));

    $form_state->setValue('vid', $vocabulary->id());
    $form_state->set('vid', $vocabulary->id());

   * Determines if the vocabulary already exists.
   * @param string $vid
   *   The vocabulary ID.
   * @return bool
   *   TRUE if the vocabulary exists, FALSE otherwise.
  public function exists($vid) {
    $action = $this->vocabularyStorage->load($vid);
    return !empty($action);



Contains filters are case sensitive
Namesort descending Modifiers Type Description
BundleEntityFormBase::protectBundleIdElement protected function Protects the bundle entity's ID property's form element against changes.
DependencySerializationTrait::$_serviceIds protected property An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep public function Prevents serializing any properties.
DependencySerializationTrait::__wakeup public function
EntityForm::$entity protected property The entity being used by this form.
EntityForm::$entityManager Deprecated protected property The entity manager.
EntityForm::$entityTypeManager protected property The entity type manager.
EntityForm::$moduleHandler protected property The module handler service.
EntityForm::$operation protected property The name of the current operation.
EntityForm::actions protected function Returns an array of supported actions for the current entity form.
EntityForm::actionsElement protected function Returns the action form element for the current entity form.
EntityForm::afterBuild public function Form element #after_build callback: Updates the entity with submitted data.
EntityForm::buildEntity public function Builds an updated entity object based upon the submitted form values. Overrides EntityFormInterface::buildEntity
EntityForm::buildForm public function Form constructor. Overrides FormInterface::buildForm
EntityForm::copyFormValuesToEntity protected function Copies top-level form values to entity properties
EntityForm::getBaseFormId public function Returns a string identifying the base form. Overrides BaseFormIdInterface::getBaseFormId
EntityForm::getEntity public function Gets the form entity. Overrides EntityFormInterface::getEntity
EntityForm::getEntityFromRouteMatch public function Determines which entity will be used by this form from a RouteMatch object. Overrides EntityFormInterface::getEntityFromRouteMatch
EntityForm::getFormId public function Returns a unique string identifying the form. Overrides FormInterface::getFormId
EntityForm::getOperation public function Gets the operation identifying the form. Overrides EntityFormInterface::getOperation
EntityForm::init protected function Initialize the form state and the entity before the first form build.
EntityForm::prepareEntity protected function Prepares the entity object before the form is built first.
EntityForm::prepareInvokeAll protected function Invokes the specified prepare hook variant.
EntityForm::processForm public function Process callback: assigns weights and hides extra fields.
EntityForm::setEntity public function Sets the form entity. Overrides EntityFormInterface::setEntity
EntityForm::setEntityManager public function Sets the entity manager for this form. Overrides EntityFormInterface::setEntityManager
EntityForm::setEntityTypeManager public function Sets the entity type manager for this form. Overrides EntityFormInterface::setEntityTypeManager
EntityForm::setModuleHandler public function Sets the module handler for this form. Overrides EntityFormInterface::setModuleHandler
EntityForm::setOperation public function Sets the operation for this form. Overrides EntityFormInterface::setOperation
EntityForm::submitForm public function This is the default entity object builder function. It is called before any other submit handler to build the new entity object to be used by the following submit handlers. At this point of the form workflow the entity is validated and the form state… Overrides FormInterface::submitForm
FormBase::$configFactory protected property The config factory.
FormBase::$requestStack protected property The request stack.
FormBase::$routeMatch protected property The route match.
FormBase::config protected function Retrieves a configuration object.
FormBase::configFactory protected function Gets the config factory for this form.
FormBase::container private function Returns the service container.
FormBase::currentUser protected function Gets the current user.
FormBase::getRequest protected function Gets the request object.
FormBase::getRouteMatch protected function Gets the route match.
FormBase::logger protected function Gets the logger for a specific channel.
FormBase::resetConfigFactory public function Resets the configuration factory.
FormBase::setConfigFactory public function Sets the config factory for this form.
FormBase::setRequestStack public function Sets the request stack object to use.
FormBase::validateForm public function Form validation handler. Overrides FormInterface::validateForm
LinkGeneratorTrait::$linkGenerator protected property The link generator.
LinkGeneratorTrait::getLinkGenerator 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 public function Sets the link generator service.
LoggerChannelTrait::$loggerFactory protected property The logger channel factory service.
LoggerChannelTrait::getLogger protected function Gets the logger for a specific channel.
LoggerChannelTrait::setLoggerFactory public function Injects the logger channel factory.
RedirectDestinationTrait::$redirectDestination protected property The redirect destination service.
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::$stringTranslation protected property The string translation service.
StringTranslationTrait::formatPlural protected function Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals protected function Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation protected function Gets the string translation service.
StringTranslationTrait::setStringTranslation public function Sets the string translation service to use.
StringTranslationTrait::t protected function Translates a string to the current language or to a given language.
UrlGeneratorTrait::$urlGenerator protected property The url generator.
UrlGeneratorTrait::getUrlGenerator protected function Returns the URL generator service.
UrlGeneratorTrait::redirect protected function Returns a redirect response object for the specified route.
UrlGeneratorTrait::setUrlGenerator 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.
VocabularyForm::$vocabularyStorage protected property The vocabulary storage.
VocabularyForm::create public static function Instantiates a new instance of this class. Overrides FormBase::create
VocabularyForm::exists public function Determines if the vocabulary already exists.
VocabularyForm::form public function Gets the actual form array to be built. Overrides EntityForm::form
VocabularyForm::save public function Form submission handler for the 'save' action. Overrides EntityForm::save
VocabularyForm::__construct public function Constructs a new vocabulary form.