/**
* {@inheritdoc}
*/
public function build(RouteMatchInterface $route_match)
{
$breadcrumb = new Breadcrumb();
$breadcrumb->addLink(Link::createFromRoute($this->t('Home'), '<front>'));
$term = $route_match->getParameter('taxonomy_term');
// Breadcrumb needs to have terms cacheable metadata as a cacheable
// dependency even though it is not shown in the breadcrumb because e.g. its
// parent might have changed.
$breadcrumb->addCacheableDependency($term);
// @todo This overrides any other possible breadcrumb and is a pure
// hard-coded presumption. Make this behavior configurable per
// vocabulary or term.
$parents = $this->termStorage->loadAllParents($term->id());
// Remove current term being accessed.
array_shift($parents);
foreach (array_reverse($parents) as $term) {
$term = $this->entityManager->getTranslationFromContext($term);
$breadcrumb->addCacheableDependency($term);
$breadcrumb->addLink(Link::createFromRoute($term->getName(), 'entity.taxonomy_term.canonical', array('taxonomy_term' => $term->id())));
}
// This breadcrumb builder is based on a route parameter, and hence it
// depends on the 'route' cache context.
$breadcrumb->addCacheContexts(['route']);
return $breadcrumb;
}
/**
* {@inheritdoc}
*/
public function build(RouteMatchInterface $route_match)
{
$breadcrumb = new Breadcrumb();
$breadcrumb->addCacheContexts(['route']);
// Add all parent forums to breadcrumbs.
/** @var Node $node */
$node = $route_match->getParameter('node');
$breadcrumb->addCacheableDependency($node);
// Add all parent forums to breadcrumbs.
/** @var \Drupal\Taxonomy\TermInterface $term */
$term = !empty($node->field_channel) ? $node->field_channel->entity : '';
$links = [];
if ($term) {
$breadcrumb->addCacheableDependency($term);
$channels = $this->termStorage->loadAllParents($term->id());
foreach (array_reverse($channels) as $term) {
$term = $this->entityManager->getTranslationFromContext($term);
$breadcrumb->addCacheableDependency($term);
$links[] = Link::createFromRoute($term->getName(), 'entity.taxonomy_term.canonical', array('taxonomy_term' => $term->id()));
}
}
if (!$links || '/' . $links[0]->getUrl()->getInternalPath() != $this->configFactory->get('system.site')->get('page.front')) {
array_unshift($links, Link::createFromRoute($this->t('Home'), '<front>'));
}
return $breadcrumb->setLinks($links);
}
