SitewideAlertRevisionRevertTranslationForm.php in Sitewide Alert 8

Namespace

Drupal\sitewide_alert\Form

File

src/Form/SitewideAlertRevisionRevertTranslationForm.php

<?php

namespace Drupal\sitewide_alert\Form;

use Drupal\Core\Datetime\DateFormatterInterface;
use Drupal\Core\Entity\EntityStorageInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Language\LanguageManagerInterface;
use Drupal\sitewide_alert\Entity\SitewideAlertInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Provides a form for reverting a Sitewide Alert revision for a single trans.
 *
 * @ingroup sitewide_alert
 */
class SitewideAlertRevisionRevertTranslationForm extends SitewideAlertRevisionRevertForm {

  /**
   * The language to be reverted.
   *
   * @var string
   */
  protected $langcode;

  /**
   * The language manager.
   *
   * @var \Drupal\Core\Language\LanguageManagerInterface
   */
  protected $languageManager;

  /**
   * Constructs a new SitewideAlertRevisionRevertTranslationForm.
   *
   * @param \Drupal\Core\Entity\EntityStorageInterface $entity_storage
   *   The Sitewide Alert storage.
   * @param \Drupal\Core\Datetime\DateFormatterInterface $date_formatter
   *   The date formatter service.
   * @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
   *   The language manager.
   */
  public function __construct(EntityStorageInterface $entity_storage, DateFormatterInterface $date_formatter, LanguageManagerInterface $language_manager) {
    parent::__construct($entity_storage, $date_formatter);
    $this->languageManager = $language_manager;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('entity_type.manager')
      ->getStorage('sitewide_alert'), $container
      ->get('date.formatter'), $container
      ->get('language_manager'));
  }

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

  /**
   * {@inheritdoc}
   */
  public function getQuestion() {
    return $this
      ->t('Are you sure you want to revert @language translation to the revision from %revision-date?', [
      '@language' => $this->languageManager
        ->getLanguageName($this->langcode),
      '%revision-date' => $this->dateFormatter
        ->format($this->revision
        ->getRevisionCreationTime()),
    ]);
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state, $sitewide_alert_revision = NULL, $langcode = NULL) {
    $this->langcode = $langcode;
    $form = parent::buildForm($form, $form_state, $sitewide_alert_revision);
    $form['revert_untranslated_fields'] = [
      '#type' => 'checkbox',
      '#title' => $this
        ->t('Revert content shared among translations'),
      '#default_value' => FALSE,
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  protected function prepareRevertedRevision(SitewideAlertInterface $revision, FormStateInterface $form_state) {
    $revert_untranslated_fields = $form_state
      ->getValue('revert_untranslated_fields');

    /** @var \Drupal\sitewide_alert\Entity\SitewideAlertInterface $default_revision */
    $latest_revision = $this->SitewideAlertStorage
      ->load($revision
      ->id());
    $latest_revision_translation = $latest_revision
      ->getTranslation($this->langcode);
    $revision_translation = $revision
      ->getTranslation($this->langcode);
    foreach ($latest_revision_translation
      ->getFieldDefinitions() as $field_name => $definition) {
      if ($definition
        ->isTranslatable() || $revert_untranslated_fields) {
        $latest_revision_translation
          ->set($field_name, $revision_translation
          ->get($field_name)
          ->getValue());
      }
    }
    $latest_revision_translation
      ->setNewRevision();
    $latest_revision_translation
      ->isDefaultRevision(TRUE);
    $revision
      ->setRevisionCreationTime(REQUEST_TIME);
    return $latest_revision_translation;
  }

}

Classes

Name	Description
SitewideAlertRevisionRevertTranslationForm	Provides a form for reverting a Sitewide Alert revision for a single trans.