protected function RevisionControllerTrait::revisionOverview in Entity API 8

Same name and namespace in other branches

1. 8.0 src/Controller/RevisionControllerTrait.php \Drupal\entity\Controller\RevisionControllerTrait::revisionOverview()

Generates an overview table of older revisions of an entity.

Parameters

\Drupal\Core\Entity\ContentEntityInterface $entity: An entity object.

Return value

array A render array.

1 call to RevisionControllerTrait::revisionOverview()

RevisionOverviewController::revisionOverviewController in src/Controller/RevisionOverviewController.php

Generates an overview table of older revisions of an entity.

File

src/Controller/RevisionControllerTrait.php, line 115

Class

RevisionControllerTrait

Defines a trait for common revision UI functionality.

Namespace

Drupal\entity\Controller

Code

protected function revisionOverview(ContentEntityInterface $entity) {
  $langcode = $this
    ->languageManager()
    ->getCurrentLanguage(LanguageInterface::TYPE_CONTENT)
    ->getId();

  /** @var \Drupal\Core\Entity\ContentEntityStorageInterface $entity_storage */
  $entity_storage = $this
    ->entityTypeManager()
    ->getStorage($entity
    ->getEntityTypeId());
  $revision_ids = $this
    ->revisionIds($entity);
  $entity_revisions = $entity_storage
    ->loadMultipleRevisions($revision_ids);
  $translatable = $entity
    ->getEntityType()
    ->isTranslatable();
  $header = [
    $this
      ->t('Revision'),
    $this
      ->t('Operations'),
  ];
  $rows = [];
  foreach ($entity_revisions as $revision) {
    $row = [];

    /** @var \Drupal\Core\Entity\ContentEntityInterface $revision */
    if (!$translatable || $revision
      ->hasTranslation($langcode) && $revision
      ->getTranslation($langcode)
      ->isRevisionTranslationAffected()) {
      $row[] = $this
        ->getRevisionDescription($revision, $revision
        ->isDefaultRevision());
      if ($revision
        ->isDefaultRevision()) {
        $row[] = [
          'data' => [
            '#prefix' => '<em>',
            '#markup' => $this
              ->t('Current revision'),
            '#suffix' => '</em>',
          ],
        ];
        foreach ($row as &$current) {
          $current['class'] = [
            'revision-current',
          ];
        }
      }
      else {
        $links = $this
          ->getOperationLinks($revision);
        $row[] = [
          'data' => [
            '#type' => 'operations',
            '#links' => $links,
          ],
        ];
      }
    }
    $rows[] = $row;
  }
  $build[$entity
    ->getEntityTypeId() . '_revisions_table'] = [
    '#theme' => 'table',
    '#rows' => $rows,
    '#header' => $header,
  ];

  // We have no clue about caching yet.
  $build['#cache']['max-age'] = 0;
  return $build;
}