class TermDeleteForm

class TermDeleteForm extends ContentEntityDeleteForm {
  
  /**
   * {@inheritdoc}
   */
  public function getCancelUrl() {
    // The cancel URL is the vocabulary collection, terms have no global
    // list page.
    return new Url('entity.taxonomy_vocabulary.collection');
  }
  
  /**
   * {@inheritdoc}
   */
  protected function getRedirectUrl() {
    return $this->getCancelUrl();
  }
  
  /**
   * {@inheritdoc}
   */
  public function getDescription() {
    return $this->t('Deleting a term will delete all its children if there are any. This action cannot be undone.');
  }
  
  /**
   * {@inheritdoc}
   */
  protected function getDeletionMessage() {
    return $this->t('Deleted term %name.', [
      '%name' => $this->entity
        ->label(),
    ]);
  }

}