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<?php
namespace Drupal\node\Form;
use Drupal\Component\Datetime\TimeInterface;
use Drupal\Core\Datetime\DateFormatterInterface;
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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.
*
* @internal
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*/
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\DateFormatterInterface $date_formatter
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* The date formatter service.
* @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
* The language manager.
* @param \Drupal\Component\Datetime\TimeInterface $time
* The time service.
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*/
public function __construct(EntityStorageInterface $node_storage, DateFormatterInterface $date_formatter, LanguageManagerInterface $language_manager, TimeInterface $time) {
parent::__construct($node_storage, $date_formatter, $time);
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$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'),
$container->get('datetime.time')
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);
}
/**
* {@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);
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// Unless untranslatable fields are configured to affect only the default
// translation, we need to ask the user whether they should be included in
// the revert process.
$default_translation_affected = $this->revision->isDefaultTranslationAffectedOnly();
$form['revert_untranslated_fields'] = [
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'#type' => 'checkbox',
'#title' => $this->t('Revert content shared among translations'),
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'#default_value' => $default_translation_affected && $this->revision->getTranslation($this->langcode)->isDefaultTranslation(),
'#access' => !$default_translation_affected,
];
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return $form;
}
/**
* {@inheritdoc}
*/
protected function prepareRevertedRevision(NodeInterface $revision, FormStateInterface $form_state) {
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$revert_untranslated_fields = (bool) $form_state->getValue('revert_untranslated_fields');
$translation = $revision->getTranslation($this->langcode);
return $this->nodeStorage->createRevision($translation, TRUE, $revert_untranslated_fields);