Same name and namespace in other branches

1. 9 core/modules/comment/src/CommentBreadcrumbBuilder.php \Drupal\comment\CommentBreadcrumbBuilder::build()
2. 8.9.x core/modules/comment/src/CommentBreadcrumbBuilder.php \Drupal\comment\CommentBreadcrumbBuilder::build()
3. 11.x core/modules/comment/src/CommentBreadcrumbBuilder.php \Drupal\comment\CommentBreadcrumbBuilder::build()

Builds the breadcrumb.

Parameters

\Drupal\Core\Routing\RouteMatchInterface $route_match: The current route match.

Return value

\Drupal\Core\Breadcrumb\Breadcrumb A breadcrumb.

Overrides BreadcrumbBuilderInterface::build

File

core/modules/comment/src/CommentBreadcrumbBuilder.php, line 45

Class

CommentBreadcrumbBuilder

Class to define the comment breadcrumb builder.

Namespace

Drupal\comment

Code

public function build(RouteMatchInterface $route_match) {
  $breadcrumb = new Breadcrumb();
  $breadcrumb->addCacheContexts([
    'route',
  ]);
  $breadcrumb->addLink(Link::createFromRoute($this->t('Home'), '<front>'));
  $entity = $route_match->getParameter('entity');
  $breadcrumb->addLink(new Link($entity->label(), $entity->toUrl()));
  $breadcrumb->addCacheableDependency($entity);
  if (($pid = $route_match->getParameter('pid')) && ($comment = $this->entityTypeManager
    ->getStorage('comment')
    ->load($pid))) {
    /** @var \Drupal\comment\CommentInterface $comment */
    $breadcrumb->addCacheableDependency($comment);
    // Display link to parent comment.
    // @todo Clean-up permalink in https://www.drupal.org/node/2198041
    $breadcrumb->addLink(new Link($comment->getSubject(), $comment->toUrl()));
  }
  return $breadcrumb;
}

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