NodeRevisionRevertTranslationForm.php in Zircon Profile 8.0

Contains \Drupal\node\Form\NodeRevisionRevertTranslationForm.

Namespace

Drupal\node\Form

File

core/modules/node/src/Form/NodeRevisionRevertTranslationForm.php

<?php

/**
 * @file
 * Contains \Drupal\node\Form\NodeRevisionRevertTranslationForm.
 */
namespace Drupal\node\Form;

use Drupal\Core\Datetime\DateFormatter;
use Drupal\Core\Entity\EntityStorageInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Language\LanguageManagerInterface;
use Drupal\node\NodeInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Provides a form for reverting a node revision for a single translation.
 */
class NodeRevisionRevertTranslationForm extends NodeRevisionRevertForm {

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

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

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

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

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

  /**
   * {@inheritdoc}
   */
  public function getQuestion() {
    return 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 getDescription() {
    return '';
  }

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

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

    /** @var \Drupal\node\NodeInterface $default_revision */
    $latest_revision = $this->nodeStorage
      ->load($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);
    return $latest_revision_translation;
  }

}

Classes

Name	Description
NodeRevisionRevertTranslationForm	Provides a form for reverting a node revision for a single translation.