/**
* {@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 buildForm(array $form, FormStateInterface $form_state, $node = NULL)
{
$account = $this->currentUser;
$langcode = $this->languageManager->getCurrentLanguage(LanguageInterface::TYPE_CONTENT)->getId();
$langname = $this->languageManager->getLanguageName($langcode);
$languages = $node->getTranslationLanguages();
$has_translations = count($languages) > 1;
$node_storage = $this->entityManager->getStorage('node');
$type = $node->getType();
$vids = array_reverse($node_storage->revisionIds($node));
$revision_count = count($vids);
$build['#title'] = $has_translations ? $this->t('@langname revisions for %title', ['@langname' => $langname, '%title' => $node->label()]) : $this->t('Revisions for %title', ['%title' => $node->label()]);
$build['nid'] = array('#type' => 'hidden', '#value' => $node->id());
$table_header = array('revision' => $this->t('Revision'), 'operations' => $this->t('Operations'));
// Allow comparisons only if there are 2 or more revisions.
if ($revision_count > 1) {
$table_header += array('select_column_one' => '', 'select_column_two' => '');
}
$rev_revert_perm = $account->hasPermission("revert {$type} revisions") || $account->hasPermission('revert all revisions') || $account->hasPermission('administer nodes');
$rev_delete_perm = $account->hasPermission("delete {$type} revisions") || $account->hasPermission('delete all revisions') || $account->hasPermission('administer nodes');
$revert_permission = $rev_revert_perm && $node->access('update');
$delete_permission = $rev_delete_perm && $node->access('delete');
// Contains the table listing the revisions.
$build['node_revisions_table'] = array('#type' => 'table', '#header' => $table_header, '#attributes' => array('class' => array('diff-revisions')));
$build['node_revisions_table']['#attached']['library'][] = 'diff/diff.general';
$build['node_revisions_table']['#attached']['drupalSettings']['diffRevisionRadios'] = $this->config->get('general_settings.radio_behavior');
$latest_revision = TRUE;
// Add rows to the table.
foreach ($vids as $vid) {
if ($revision = $node_storage->loadRevision($vid)) {
if ($revision->hasTranslation($langcode) && $revision->getTranslation($langcode)->isRevisionTranslationAffected()) {
$username = array('#theme' => 'username', '#account' => $revision->getRevisionAuthor());
$revision_date = $this->date->format($revision->getRevisionCreationTime(), 'short');
// Use revision link to link to revisions that are not active.
if ($vid != $node->getRevisionId()) {
$link = $this->l($revision_date, new Url('entity.node.revision', ['node' => $node->id(), 'node_revision' => $vid]));
} else {
$link = $node->link($revision_date);
}
// Default revision.
if ($latest_revision) {
$row = array('revision' => array('#type' => 'inline_template', '#template' => '{% trans %}{{ date }} by {{ username }}{% endtrans %}{% if message %}<p class="revision-log">{{ message }}</p>{% endif %}', '#context' => ['date' => $link, 'username' => $this->renderer->renderPlain($username), 'message' => ['#markup' => $revision->revision_log->value, '#allowed_tags' => Xss::getHtmlTagList()]]));
// Allow comparisons only if there are 2 or more revisions.
if ($revision_count > 1) {
$row += array('select_column_one' => array('#type' => 'radio', '#title_display' => 'invisible', '#name' => 'radios_left', '#return_value' => $vid, '#default_value' => FALSE), 'select_column_two' => array('#type' => 'radio', '#title_display' => 'invisible', '#name' => 'radios_right', '#default_value' => $vid, '#return_value' => $vid));
}
$row['operations'] = array('#prefix' => '<em>', '#markup' => $this->t('Current revision'), '#suffix' => '</em>', '#attributes' => array('class' => array('revision-current')));
$latest_revision = FALSE;
} else {
$route_params = array('node' => $node->id(), 'node_revision' => $vid, 'langcode' => $langcode);
$links = array();
if ($revert_permission) {
$links['revert'] = ['title' => $this->t('Revert'), 'url' => $has_translations ? Url::fromRoute('node.revision_revert_translation_confirm', ['node' => $node->id(), 'node_revision' => $vid, 'langcode' => $langcode]) : Url::fromRoute('node.revision_revert_confirm', ['node' => $node->id(), 'node_revision' => $vid])];
}
if ($delete_permission) {
$links['delete'] = array('title' => $this->t('Delete'), 'url' => Url::fromRoute('node.revision_delete_confirm', $route_params));
}
// Here we don't have to deal with 'only one revision' case because
// if there's only one revision it will also be the default one,
// entering on the first branch of this if else statement.
$row = array('revision' => array('#type' => 'inline_template', '#template' => '{% trans %}{{ date }} by {{ username }}{% endtrans %}{% if message %}<p class="revision-log">{{ message }}</p>{% endif %}', '#context' => ['date' => $link, 'username' => $this->renderer->renderPlain($username), 'message' => ['#markup' => $revision->revision_log->value, '#allowed_tags' => Xss::getHtmlTagList()]]), 'select_column_one' => array('#type' => 'radio', '#title_display' => 'invisible', '#name' => 'radios_left', '#return_value' => $vid, '#default_value' => isset($vids[1]) ? $vids[1] : FALSE), 'select_column_two' => array('#type' => 'radio', '#title_display' => 'invisible', '#name' => 'radios_right', '#return_value' => $vid, '#default_value' => FALSE), 'operations' => array('#type' => 'operations', '#links' => $links));
}
// Add the row to the table.
$build['node_revisions_table'][] = $row;
}
}
}
// Allow comparisons only if there are 2 or more revisions.
if ($revision_count > 1) {
$build['submit'] = array('#type' => 'submit', '#value' => t('Compare'), '#attributes' => array('class' => array('diff-button')));
}
return $build;
}