public function HierarchyBreadcrumbBuilder::applies in Entity Reference Hierarchy 8

Whether this breadcrumb builder should be used to build the breadcrumb.

Parameters

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

Return value

bool TRUE if this builder should be used or FALSE to let other builders decide.

Overrides BreadcrumbBuilderInterface::applies

File

src/HierarchyBreadcrumbBuilder.php, line 29

Contains \Drupal\entity_hierarchy\HierarchyBreadcrumbBuilder.

Class

HierarchyBreadcrumbBuilder

Provides a breadcrumb builder for nodes in a book.

Namespace

Drupal\entity_hierarchy

Code

public function applies(RouteMatchInterface $route_match) {
  $node = $route_match
    ->getParameter('node');
  $parent = null;
  if ($node instanceof NodeInterface) {
    $current_nid = $node
      ->id();
    $hierarchy_storage = \Drupal::service('entity_hierarchy.outline_storage');
    $parent = $hierarchy_storage
      ->hierarchyGetParent($current_nid);
  }
  return !empty($parent) ? true : false;
}