PHP Datetime\DateFormatterInterface类代码示例

 /**
  * {@inheritdoc}
  */
 public function form(array $form, FormStateInterface $form_state)
 {
     /* @var \Drupal\commerce_product\Entity\Product $product */
     $product = $this->entity;
     $form = parent::form($form, $form_state);
     $form['#tree'] = TRUE;
     $form['#theme'] = ['product_form'];
     $form['#attached']['library'][] = 'commerce_product/form';
     $form['#entity_builders']['update_status'] = [$this, 'updateStatus'];
     // Changed must be sent to the client, for later overwrite error checking.
     $form['changed'] = ['#type' => 'hidden', '#default_value' => $product->getChangedTime()];
     $last_saved = t('Not saved yet');
     if (!$product->isNew()) {
         $last_saved = $this->dateFormatter->format($product->getChangedTime(), 'short');
     }
     $form['meta'] = ['#attributes' => ['class' => ['entity-meta__header']], '#type' => 'container', '#group' => 'advanced', '#weight' => -100, 'published' => ['#type' => 'html_tag', '#tag' => 'h3', '#value' => $product->isPublished() ? $this->t('Published') : $this->t('Not published'), '#access' => !$product->isNew(), '#attributes' => ['class' => 'entity-meta__title']], 'changed' => ['#type' => 'item', '#wrapper_attributes' => ['class' => ['entity-meta__last-saved', 'container-inline']], '#markup' => '<h4 class="label inline">' . $this->t('Last saved') . '</h4> ' . $last_saved], 'author' => ['#type' => 'item', '#wrapper_attributes' => ['class' => ['author', 'container-inline']], '#markup' => '<h4 class="label inline">' . $this->t('Author') . '</h4> ' . $product->getOwner()->getDisplayName()]];
     $form['advanced'] = ['#type' => 'container', '#attributes' => ['class' => ['entity-meta']], '#weight' => 99];
     $form['path_settings'] = ['#type' => 'details', '#title' => t('URL path settings'), '#open' => !empty($form['path']['widget'][0]['alias']['#value']), '#group' => 'advanced', '#access' => !empty($form['path']['#access']) && $product->get('path')->access('edit'), '#attributes' => ['class' => ['path-form']], '#attached' => ['library' => ['path/drupal.path']], '#weight' => 30];
     $form['author'] = ['#type' => 'details', '#title' => t('Authoring information'), '#group' => 'advanced', '#attributes' => ['class' => ['product-form-author']], '#attached' => ['library' => ['commerce_product/drupal.commerce_product']], '#weight' => 90, '#optional' => TRUE];
     if (isset($form['uid'])) {
         $form['uid']['#group'] = 'author';
     }
     if (isset($form['created'])) {
         $form['created']['#group'] = 'author';
     }
     if (isset($form['path'])) {
         $form['path']['#group'] = 'path_settings';
     }
     return $form;
 }

 /**
  * {@inheritdoc}
  */
 public function form(array $form, FormStateInterface $form_state)
 {
     $form['label'] = array('#type' => 'textfield', '#title' => 'Name', '#maxlength' => 100, '#description' => t('Name of the date format'), '#default_value' => $this->entity->label());
     $form['id'] = array('#type' => 'machine_name', '#description' => t('A unique machine-readable name. Can only contain lowercase letters, numbers, and underscores.'), '#disabled' => !$this->entity->isNew(), '#default_value' => $this->entity->id(), '#machine_name' => array('exists' => array($this, 'exists'), 'replace_pattern' => '([^a-z0-9_]+)|(^custom$)', 'error' => $this->t('The machine-readable name must be unique, and can only contain lowercase letters, numbers, and underscores. Additionally, it can not be the reserved word "custom".')));
     $form['date_format_pattern'] = array('#type' => 'textfield', '#title' => t('Format string'), '#maxlength' => 100, '#description' => $this->t('A user-defined date format. See the <a href="http://php.net/manual/function.date.php">PHP manual</a> for available options.'), '#required' => TRUE, '#attributes' => ['data-drupal-date-formatter' => 'source'], '#field_suffix' => ' <small class="js-hide" data-drupal-date-formatter="preview">' . $this->t('Displayed as %date_format', ['%date_format' => '']) . '</small>');
     $form['langcode'] = array('#type' => 'language_select', '#title' => t('Language'), '#languages' => LanguageInterface::STATE_ALL, '#default_value' => $this->entity->language()->getId());
     $form['#attached']['drupalSettings']['dateFormats'] = $this->dateFormatter->getSampleDateFormats();
     $form['#attached']['library'][] = 'system/drupal.system.date';
     return parent::form($form, $form_state);
 }

 /**
  * {@inheritdoc}
  */
 public function buildForm(array $form, FormStateInterface $form_state)
 {
     $form['description'] = array('#markup' => '<p>' . t('Cron takes care of running periodic tasks like checking for updates and indexing content for search.') . '</p>');
     $form['run'] = array('#type' => 'submit', '#value' => t('Run cron'));
     $status = '<p>' . $this->t('Last run: %time ago.', array('%time' => $this->dateFormatter->formatTimeDiffSince($this->state->get('system.cron_last')))) . '</p>';
     $form['status'] = array('#markup' => $status);
     $cron_url = $this->url('system.cron', array('key' => $this->state->get('system.cron_key')), array('absolute' => TRUE));
     $form['cron_url'] = array('#markup' => '<p>' . t('To run cron from outside the site, go to <a href=":cron">@cron</a>', array(':cron' => $cron_url, '@cron' => $cron_url)) . '</p>');
     if (!$this->moduleHandler->moduleExists('automated_cron')) {
         $form['cron'] = array('#markup' => $this->t('Enable the <em>Automated Cron</em> module to allow cron execution at the end of a server response.'));
     }
     return $form;
 }

 /**
  * Return the default argument.
  */
 public function getArgument()
 {
     $argument = $this->argument;
     // The Date argument handlers provide their own format strings, otherwise
     // use a default.
     if ($argument instanceof \Drupal\calendar_datetime\Plugin\views\argument\Date) {
         /** @var \Drupal\views\Plugin\views\argument\Date $argument */
         $format = $argument->getArgFormat();
     } else {
         $format = 'Y-m-d';
     }
     $request_time = $this->request->server->get('REQUEST_TIME');
     return $this->dateFormatter->format($request_time, 'custom', $format);
 }

 /**
  * {@inheritdoc}
  */
 public function settingsForm(array $form, FormStateInterface $form_state)
 {
     $form['num'] = array('#type' => 'number', '#title' => $this->t('How many users would you like to generate?'), '#default_value' => $this->getSetting('num'), '#required' => TRUE, '#min' => 0);
     $form['kill'] = array('#type' => 'checkbox', '#title' => $this->t('Delete all users (except user id 1) before generating new users.'), '#default_value' => $this->getSetting('kill'));
     $options = user_role_names(TRUE);
     unset($options[DRUPAL_AUTHENTICATED_RID]);
     $form['roles'] = array('#type' => 'checkboxes', '#title' => $this->t('Which roles should the users receive?'), '#description' => $this->t('Users always receive the <em>authenticated user</em> role.'), '#options' => $options);
     $form['pass'] = array('#type' => 'textfield', '#title' => $this->t('Password to be set'), '#default_value' => $this->getSetting('pass'), '#size' => 32, '#description' => $this->t('Leave this field empty if you do not need to set a password'));
     $options = array(1 => $this->t('Now'));
     foreach (array(3600, 86400, 604800, 2592000, 31536000) as $interval) {
         $options[$interval] = $this->dateFormatter->formatInterval($interval, 1) . ' ' . $this->t('ago');
     }
     $form['time_range'] = array('#type' => 'select', '#title' => $this->t('How old should user accounts be?'), '#description' => $this->t('User ages will be distributed randomly from the current time, back to the selected time.'), '#options' => $options, '#default_value' => 604800);
     return $form;
 }

 /**
  * {@inheritdoc}
  */
 public function filter(DataDefinitionInterface $definition, $value, array $arguments, BubbleableMetadata $bubbleable_metadata = NULL)
 {
     if ($definition->getDataType() != 'timestamp') {
         // Convert the date to an timestamp.
         $value = $this->getTypedDataManager()->create($definition, $value)->getDateTime()->getTimestamp();
     }
     $arguments += [0 => 'medium', 1 => '', 2 => NULL, 3 => NULL];
     if ($arguments[0] != 'custom' && $bubbleable_metadata) {
         $config = $this->dateFormatStorage->load($arguments[0]);
         if (!$config) {
             throw new \InvalidArgumentException("Unknown date format {$arguments['0']} given.");
         }
         $bubbleable_metadata->addCacheableDependency($config);
     }
     return $this->dateFormatter->format($value, $arguments[0], $arguments[1], $arguments[2], $arguments[3]);
 }

 /**
  * Returns the user password reset form.
  *
  * @param \Symfony\Component\HttpFoundation\Request $request
  *   The request.
  * @param int $uid
  *   User ID of the user requesting reset.
  *
  * @return array|\Symfony\Component\HttpFoundation\RedirectResponse
  *   The form structure or a redirect response.
  *
  * @throws \Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException
  *   If the pass_reset_timeout or pass_reset_hash are not available in the
  *   session. Or if $uid is for a blocked user or invalid user ID.
  */
 public function getResetPassForm(Request $request, $uid)
 {
     $session = $request->getSession();
     $timestamp = $session->get('pass_reset_timeout');
     $hash = $session->get('pass_reset_hash');
     // As soon as the session variables are used they are removed to prevent the
     // hash and timestamp from being leaked unexpectedly. This could occur if
     // the user does not click on the log in button on the form.
     $session->remove('pass_reset_timeout');
     $session->remove('pass_reset_hash');
     if (!$hash || !$timestamp) {
         throw new AccessDeniedHttpException();
     }
     /** @var \Drupal\user\UserInterface $user */
     $user = $this->userStorage->load($uid);
     if ($user === NULL || !$user->isActive()) {
         // Blocked or invalid user ID, so deny access. The parameters will be in
         // the watchdog's URL for the administrator to check.
         throw new AccessDeniedHttpException();
     }
     // Time out, in seconds, until login URL expires.
     $timeout = $this->config('user.settings')->get('password_reset_timeout');
     $expiration_date = $user->getLastLoginTime() ? $this->dateFormatter->format($timestamp + $timeout) : NULL;
     return $this->formBuilder()->getForm(UserPasswordResetForm::class, $user, $expiration_date, $timestamp, $hash);
 }

 /**
  * {@inheritdoc}
  */
 public function validateForm(array &$form, FormStateInterface $form_state)
 {
     // Replace all contiguous whitespaces (including tabs and newlines) with a
     // single plain space.
     $form_state->setValue(['date_format'], trim(preg_replace('/\\s+/', ' ', $form_state->getValue(['date_format']))));
     // Validate the letters used in the scheduler date format. All punctuation
     // is accepted, so remove everything except word characters then check that
     // there is nothing else which is not in the list of acceptable date/time
     // letters.
     $no_punctuation = preg_replace('/[^\\w+]/', '', $form_state->getValue(['date_format']));
     if (preg_match_all('/[^' . SCHEDULER_DATE_LETTERS . SCHEDULER_TIME_LETTERS . ']/', $no_punctuation, $extra)) {
         $form_state->setErrorByName('date_format', $this->t('You may only use the letters $date_letters for the date and $time_letters for the time. Remove the extra characters $extra', ['$date_letters' => SCHEDULER_DATE_LETTERS, '$time_letters' => SCHEDULER_TIME_LETTERS, '$extra' => implode(' ', $extra[0])]));
     }
     // If date-only is enabled then check if a valid default time was entered.
     // Leading zeros and seconds can be omitted, eg. 6:30 is considered valid.
     if ($form_state->getValue(['allow_date_only'])) {
         $default_time = date_parse($form_state->getValue(['default_time']));
         if ($default_time['error_count']) {
             $form_state->setErrorByName('default_time', $this->t('The default time should be in the format HH:MM:SS'));
         } else {
             // Insert any possibly omitted leading zeroes.
             $unix_time = mktime($default_time['hour'], $default_time['minute'], $default_time['second']);
             $form_state->setValue(['default_time'], $this->dateFormatter->format($unix_time, 'custom', 'H:i:s'));
         }
     }
     // Check that either the date format has a time part or the date-only option
     // is turned on.
     $time_format = $this->getTimeOnlyFormat($form_state->getValue(['date_format']));
     if ($time_format == '' && !$form_state->getValue(['allow_date_only'])) {
         $form_state->setErrorByName('date_format', $this->t('You must either include a time within the date format or enable the date-only option.'));
     }
 }

 /**
  * {@inheritdoc}
  */
 protected function getRevisionDescription(ContentEntityInterface $revision, $is_default = FALSE)
 {
     /** @var \Drupal\Core\Entity\ContentEntityInterface|\Drupal\user\EntityOwnerInterface|\Drupal\Core\Entity\RevisionLogInterface $revision */
     if ($revision instanceof RevisionLogInterface) {
         // Use revision link to link to revisions that are not active.
         $date = $this->dateFormatter->format($revision->getRevisionCreationTime(), 'short');
         $link = $revision->toLink($date, 'revision');
         // @todo: Simplify this when https://www.drupal.org/node/2334319 lands.
         $username = ['#theme' => 'username', '#account' => $revision->getRevisionUser()];
         $username = $this->renderer->render($username);
     } else {
         $link = $revision->toLink($revision->label(), 'revision');
         $username = '';
     }
     $markup = '';
     if ($revision instanceof RevisionLogInterface) {
         $markup = $revision->getRevisionLogMessage();
     }
     if ($username) {
         $template = '{% trans %}{{ date }} by {{ username }}{% endtrans %}{% if message %}<p class="revision-log">{{ message }}</p>{% endif %}';
     } else {
         $template = '{% trans %} {{ date }} {% endtrans %}{% if message %}<p class="revision-log">{{ message }}</p>{% endif %}';
     }
     $column = ['data' => ['#type' => 'inline_template', '#template' => $template, '#context' => ['date' => $link->toString(), 'username' => $username, 'message' => ['#markup' => $markup, '#allowed_tags' => Xss::getHtmlTagList()]]]];
     return $column;
 }

 /**
  * {@inheritdoc}
  */
 public function buildRow(EntityInterface $entity)
 {
     $row['username']['data'] = array('#theme' => 'username', '#account' => $entity);
     $row['status'] = $entity->isActive() ? $this->t('active') : $this->t('blocked');
     $roles = user_role_names(TRUE);
     unset($roles[RoleInterface::AUTHENTICATED_ID]);
     $users_roles = array();
     foreach ($entity->getRoles() as $role) {
         if (isset($roles[$role])) {
             $users_roles[] = $roles[$role];
         }
     }
     asort($users_roles);
     $row['roles']['data'] = array('#theme' => 'item_list', '#items' => $users_roles);
     $options = ['return_as_object' => TRUE];
     $row['member_for']['data'] = $this->dateFormatter->formatTimeDiffSince($entity->getCreatedTime(), $options)->toRenderable();
     $last_access = $this->dateFormatter->formatTimeDiffSince($entity->getLastAccessedTime(), $options);
     if ($entity->getLastAccessedTime()) {
         $row['access']['data']['#markup'] = $last_access->getString();
         CacheableMetadata::createFromObject($last_access)->applyTo($row['access']['data']);
     } else {
         $row['access']['data']['#markup'] = t('never');
     }
     return $row + parent::buildRow($entity);
 }

 /**
  * Displays the aggregator administration page.
  *
  * @return array
  *   A render array as expected by drupal_render().
  */
 public function adminOverview()
 {
     $entity_manager = $this->entityManager();
     $feeds = $entity_manager->getStorage('aggregator_feed')->loadMultiple();
     $header = array($this->t('Title'), $this->t('Items'), $this->t('Last update'), $this->t('Next update'), $this->t('Operations'));
     $rows = array();
     /** @var \Drupal\aggregator\FeedInterface[] $feeds */
     foreach ($feeds as $feed) {
         $row = array();
         $row[] = $feed->link();
         $row[] = $this->formatPlural($entity_manager->getStorage('aggregator_item')->getItemCount($feed), '1 item', '@count items');
         $last_checked = $feed->getLastCheckedTime();
         $refresh_rate = $feed->getRefreshRate();
         $row[] = $last_checked ? $this->t('@time ago', array('@time' => $this->dateFormatter->formatInterval(REQUEST_TIME - $last_checked))) : $this->t('never');
         if (!$last_checked && $refresh_rate) {
             $next_update = $this->t('imminently');
         } elseif ($last_checked && $refresh_rate) {
             $next_update = $next = $this->t('%time left', array('%time' => $this->dateFormatter->formatInterval($last_checked + $refresh_rate - REQUEST_TIME)));
         } else {
             $next_update = $this->t('never');
         }
         $row[] = $next_update;
         $links['edit'] = ['title' => $this->t('Edit'), 'url' => Url::fromRoute('entity.aggregator_feed.edit_form', ['aggregator_feed' => $feed->id()])];
         $links['delete'] = array('title' => $this->t('Delete'), 'url' => Url::fromRoute('entity.aggregator_feed.delete_form', ['aggregator_feed' => $feed->id()]));
         $links['delete_items'] = array('title' => $this->t('Delete items'), 'url' => Url::fromRoute('aggregator.feed_items_delete', ['aggregator_feed' => $feed->id()]));
         $links['update'] = array('title' => $this->t('Update items'), 'url' => Url::fromRoute('aggregator.feed_refresh', ['aggregator_feed' => $feed->id()]));
         $row[] = array('data' => array('#type' => 'operations', '#links' => $links));
         $rows[] = $row;
     }
     $build['feeds'] = array('#prefix' => '<h3>' . $this->t('Feed overview') . '</h3>', '#type' => 'table', '#header' => $header, '#rows' => $rows, '#empty' => $this->t('No feeds available. <a href=":link">Add feed</a>.', array(':link' => $this->url('aggregator.feed_add'))));
     return $build;
 }

 /**
  * {@inheritdoc}
  */
 public function settingsForm(array $form, FormStateInterface $form_state)
 {
     $types = $this->nodeTypeStorage->loadMultiple();
     if (empty($types)) {
         $create_url = $this->urlGenerator->generateFromRoute('node.type_add');
         $this->setMessage($this->t('You do not have any content types that can be generated. <a href=":create-type">Go create a new content type</a>', array(':create-type' => $create_url)), 'error', FALSE);
         return;
     }
     $options = array();
     foreach ($types as $type) {
         $options[$type->id()] = array('type' => array('#markup' => $type->label()));
         if ($this->commentManager) {
             $comment_fields = $this->commentManager->getFields('node');
             $map = array($this->t('Hidden'), $this->t('Closed'), $this->t('Open'));
             $fields = array();
             foreach ($comment_fields as $field_name => $info) {
                 // Find all comment fields for the bundle.
                 if (in_array($type->id(), $info['bundles'])) {
                     $instance = FieldConfig::loadByName('node', $type->id(), $field_name);
                     $default_value = $instance->getDefaultValueLiteral();
                     $default_mode = reset($default_value);
                     $fields[] = new FormattableMarkup('@field: @state', array('@field' => $instance->label(), '@state' => $map[$default_mode['status']]));
                 }
             }
             // @todo Refactor display of comment fields.
             if (!empty($fields)) {
                 $options[$type->id()]['comments'] = array('data' => array('#theme' => 'item_list', '#items' => $fields));
             } else {
                 $options[$type->id()]['comments'] = $this->t('No comment fields');
             }
         }
     }
     $header = array('type' => $this->t('Content type'));
     if ($this->commentManager) {
         $header['comments'] = array('data' => $this->t('Comments'), 'class' => array(RESPONSIVE_PRIORITY_MEDIUM));
     }
     $form['node_types'] = array('#type' => 'tableselect', '#header' => $header, '#options' => $options);
     $form['kill'] = array('#type' => 'checkbox', '#title' => $this->t('<strong>Delete all content</strong> in these content types before generating new content.'), '#default_value' => $this->getSetting('kill'));
     $form['num'] = array('#type' => 'number', '#title' => $this->t('How many nodes would you like to generate?'), '#default_value' => $this->getSetting('num'), '#required' => TRUE, '#min' => 0);
     $options = array(1 => $this->t('Now'));
     foreach (array(3600, 86400, 604800, 2592000, 31536000) as $interval) {
         $options[$interval] = $this->dateFormatter->formatInterval($interval, 1) . ' ' . $this->t('ago');
     }
     $form['time_range'] = array('#type' => 'select', '#title' => $this->t('How far back in time should the nodes be dated?'), '#description' => $this->t('Node creation dates will be distributed randomly from the current time, back to the selected time.'), '#options' => $options, '#default_value' => 604800);
     $form['max_comments'] = array('#type' => $this->moduleHandler->moduleExists('comment') ? 'number' : 'value', '#title' => $this->t('Maximum number of comments per node.'), '#description' => $this->t('You must also enable comments for the content types you are generating. Note that some nodes will randomly receive zero comments. Some will receive the max.'), '#default_value' => $this->getSetting('max_comments'), '#min' => 0, '#access' => $this->moduleHandler->moduleExists('comment'));
     $form['title_length'] = array('#type' => 'number', '#title' => $this->t('Maximum number of words in titles'), '#default_value' => $this->getSetting('title_length'), '#required' => TRUE, '#min' => 1, '#max' => 255);
     $form['add_alias'] = array('#type' => 'checkbox', '#disabled' => !$this->moduleHandler->moduleExists('path'), '#description' => $this->t('Requires path.module'), '#title' => $this->t('Add an url alias for each node.'), '#default_value' => FALSE);
     $form['add_statistics'] = array('#type' => 'checkbox', '#title' => $this->t('Add statistics for each node (node_counter table).'), '#default_value' => TRUE, '#access' => $this->moduleHandler->moduleExists('statistics'));
     $options = array();
     // We always need a language.
     $languages = $this->languageManager->getLanguages(LanguageInterface::STATE_ALL);
     foreach ($languages as $langcode => $language) {
         $options[$langcode] = $language->getName();
     }
     $form['add_language'] = array('#type' => 'select', '#title' => $this->t('Set language on nodes'), '#multiple' => TRUE, '#description' => $this->t('Requires locale.module'), '#options' => $options, '#default_value' => array($this->languageManager->getDefaultLanguage()->getId()));
     $form['#redirect'] = FALSE;
     return $form;
 }

 /**
  * Generates an overview table of older revisions of a node.
  *
  * @param \Drupal\node\NodeInterface $node
  *   A node object.
  *
  * @return array
  *   An array as expected by drupal_render().
  */
 public function revisionOverview(NodeInterface $node)
 {
     $account = $this->currentUser();
     $langcode = $node->language()->getId();
     $langname = $node->language()->getName();
     $languages = $node->getTranslationLanguages();
     $has_translations = count($languages) > 1;
     $node_storage = $this->entityManager()->getStorage('node');
     $type = $node->getType();
     $build['#title'] = $has_translations ? $this->t('@langname revisions for %title', ['@langname' => $langname, '%title' => $node->label()]) : $this->t('Revisions for %title', ['%title' => $node->label()]);
     $header = array($this->t('Revision'), $this->t('Operations'));
     $revert_permission = ($account->hasPermission("revert {$type} revisions") || $account->hasPermission('revert all revisions') || $account->hasPermission('administer nodes')) && $node->access('update');
     $delete_permission = ($account->hasPermission("delete {$type} revisions") || $account->hasPermission('delete all revisions') || $account->hasPermission('administer nodes')) && $node->access('delete');
     $rows = array();
     $vids = $node_storage->revisionIds($node);
     $latest_revision = TRUE;
     foreach (array_reverse($vids) as $vid) {
         /** @var \Drupal\node\NodeInterface $revision */
         $revision = $node_storage->loadRevision($vid);
         // Only show revisions that are affected by the language that is being
         // displayed.
         if ($revision->hasTranslation($langcode) && $revision->getTranslation($langcode)->isRevisionTranslationAffected()) {
             $username = ['#theme' => 'username', '#account' => $revision->getRevisionAuthor()];
             // Use revision link to link to revisions that are not active.
             $date = $this->dateFormatter->format($revision->revision_timestamp->value, 'short');
             if ($vid != $node->getRevisionId()) {
                 $link = $this->l($date, new Url('entity.node.revision', ['node' => $node->id(), 'node_revision' => $vid]));
             } else {
                 $link = $node->link($date);
             }
             $row = [];
             $column = ['data' => ['#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()]]]];
             // @todo Simplify once https://www.drupal.org/node/2334319 lands.
             $this->renderer->addCacheableDependency($column['data'], $username);
             $row[] = $column;
             if ($latest_revision) {
                 $row[] = ['data' => ['#prefix' => '<em>', '#markup' => $this->t('Current revision'), '#suffix' => '</em>']];
                 foreach ($row as &$current) {
                     $current['class'] = ['revision-current'];
                 }
                 $latest_revision = FALSE;
             } else {
                 $links = [];
                 if ($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'] = ['title' => $this->t('Delete'), 'url' => Url::fromRoute('node.revision_delete_confirm', ['node' => $node->id(), 'node_revision' => $vid])];
                 }
                 $row[] = ['data' => ['#type' => 'operations', '#links' => $links]];
             }
             $rows[] = $row;
         }
     }
     $build['node_revisions_table'] = array('#theme' => 'table', '#rows' => $rows, '#header' => $header, '#attached' => array('library' => array('node/drupal.node.admin')));
     return $build;
 }

 /**
  * Formats a timestamp.
  *
  * @param int $timestamp
  *   A UNIX timestamp to format.
  *
  * @return string
  *   The formatted timestamp string using the past or future format setting.
  */
 protected function formatTimestamp($timestamp)
 {
     $granularity = $this->getSetting('granularity');
     $options = ['granularity' => $granularity];
     if ($this->request->server->get('REQUEST_TIME') > $timestamp) {
         return SafeMarkup::format($this->getSetting('past_format'), ['@interval' => $this->dateFormatter->formatTimeDiffSince($timestamp, $options)]);
     } else {
         return SafeMarkup::format($this->getSetting('future_format'), ['@interval' => $this->dateFormatter->formatTimeDiffUntil($timestamp, $options)]);
     }
 }

 /**
  * Override parent method, which deals with dates as integers.
  */
 protected function opSimple($field)
 {
     $origin = !empty($this->value['type']) && $this->value['type'] == 'offset' ? $this->requestStack->getCurrentRequest()->server->get('REQUEST_TIME') : 0;
     $value = intval(strtotime($this->value['value'], $origin));
     // Convert to ISO. UTC is used since dates are stored in UTC.
     $value = $this->query->getDateFormat("'" . $this->dateFormatter->format($value, 'custom', DATETIME_DATETIME_STORAGE_FORMAT, DATETIME_STORAGE_TIMEZONE) . "'", $this->dateFormat, TRUE);
     // This is safe because we are manually scrubbing the value.
     $field = $this->query->getDateFormat($field, $this->dateFormat, TRUE);
     $this->query->addWhereExpression($this->options['group'], "{$field} {$this->operator} {$value}");
 }