{% extends "base/class.php.twig" %}
{% block file_path %}
\Drupal\{{module}}\Form\{{ entity_class }}RevisionRevertTranslationForm.
{% endblock %}
{% block namespace_class %}
namespace Drupal\{{module}}\Form;
{% endblock %}
{% block use_class %}
use Drupal\Core\Form\FormStateInterface;
use Drupal\{{module}}\Entity\{{ entity_class }}Interface;
use Symfony\Component\DependencyInjection\ContainerInterface;
{% endblock %}
{% block class_declaration %}
/**
* Provides a form for reverting a {{ label }} revision for a single trans.
*
* @ingroup {{module}}
*/
class {{ entity_class }}RevisionRevertTranslationForm extends {{ entity_class }}RevisionRevertForm {% endblock %}
{% block class_methods %}
/**
* The language to be reverted.
*
* @var string
*/
protected $langcode;
/**
* The language manager.
*
* @var \Drupal\Core\Language\LanguageManagerInterface
*/
protected $languageManager;
/**
* {@inheritdoc}
*/
public static function create(ContainerInterface $container) {
$instance = parent::create($container);
$instance->languageManager = $container->get('language_manager');
return $instance;
}
/**
* {@inheritdoc}
*/
public function getFormId() {
return '{{ entity_name }}_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, ${{ entity_name }}_revision = NULL, $langcode = NULL) {
$this->langcode = $langcode;
$form = parent::buildForm($form, $form_state, ${{ entity_name }}_revision);
$form['revert_untranslated_fields'] = [
'#type' => 'checkbox',
'#title' => $this->t('Revert content shared among translations'),
'#default_value' => FALSE,
];
return $form;
}
/**
* {@inheritdoc}
*/
protected function prepareRevertedRevision({{ entity_class }}Interface $revision, FormStateInterface $form_state) {
$revert_untranslated_fields = $form_state->getValue('revert_untranslated_fields');
/** @var \Drupal\{{module}}\Entity\{{ entity_class }}Interface $default_revision */
$latest_revision = $this->{{ entity_class }}Storage->load($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(\Drupal::time()->getRequestTime());
return $latest_revision_translation;
}
{% endblock %}