addCacheContexts(['route']); $entity = _gin_get_route_entity(); $route_name = \Drupal::routeMatch()->getRouteName(); if ($entity !== NULL) { $url = $entity->toUrl(); $entity_type_id = $entity->getEntityTypeId(); $operation_label = _gin_get_route_entity_operation_label($route_name, $entity); $url_access = $url->access(NULL, TRUE); $cacheability->addCacheableDependency($url_access); // Media handling. if ($entity_type_id === 'media') { $media_config = \Drupal::config('media.settings'); $cacheability->addCacheableDependency($media_config); if (!$media_config->get('standalone_url')) { $url = Url::fromRoute(''); } } // Custom block handling (a custom block cannot be viewed standalone). if ($entity_type_id === 'block_content') { $url = Url::fromRoute(''); } } // Back to site item. foreach ($variables['breadcrumb'] as $key => $item) { if ($key === 0) { $variables['breadcrumb'][$key]['text'] = t('Back to site'); $variables['breadcrumb'][$key]['attributes']['title'] = t('Return to site content'); if (isset($url, $url_access) && $url_access->isAllowed()) { // Link to the canonical route of the entity. $variables['breadcrumb'][$key]['url'] = $url; } else { // Let escapeAdmin override the return URL. $variables['breadcrumb'][$key]['attributes']['data'] = 'data-gin-toolbar-escape-admin'; } } elseif (isset($url) && $item['url'] === $url->setAbsolute(FALSE)->toString()) { // Remove as we already have the back to site link set. unset($variables['breadcrumb'][$key]); } } // Adjust breadcrumb for nodes: unset all items, except home link. if ($entity instanceof NodeInterface) { foreach ($variables['breadcrumb'] as $key => $item) { if ($key > 0) { unset($variables['breadcrumb'][$key]); } } } // Adjust breadcrumb for entities. if (isset($operation_label)) { // Add bundle info. $variables['breadcrumb'][] = [ 'text' => $operation_label, 'url' => '', ]; } // Node add: Fix Drupal 9 issue. if ($route_name === 'node.add') { foreach ($variables['breadcrumb'] as $key => $item) { if ($variables['breadcrumb'][$key]['text'] == '') { unset($variables['breadcrumb'][$key]); } } } $cacheability->applyTo($variables); } /** * Helper function to extract the entity for the supplied route. * * @return null|\Drupal\Core\Entity\ContentEntityInterface * Returns the content entity. */ function _gin_get_route_entity() { $route_match = \Drupal::routeMatch(); // Entity will be found in the route parameters. if (($route = $route_match->getRouteObject()) && ($parameters = $route->getOption('parameters'))) { // Determine if the current route represents an entity. foreach ($parameters as $name => $options) { if (isset($options['type']) && strpos($options['type'], 'entity:') === 0) { $entity = $route_match->getParameter($name); if ($entity instanceof ContentEntityInterface && $entity->hasLinkTemplate('canonical')) { return $entity; } // Since entity was found, no need to iterate further. return NULL; } } } } /** * Helper function to extract the entity operation label for the supplied route. * * @return null|string * Returns the label. */ function _gin_get_route_entity_operation_label(string $route_name, EntityInterface $entity) { $entity_type = $entity->getEntityType(); $type_label = $entity_type->getSingularLabel(); $bundle_key = $entity_type->getKey('bundle'); if ($bundle_key && $bundle_entity = $entity->get($bundle_key)->entity) { $type_label = $bundle_entity->label(); } if ($entity_type->id() === 'user') { $type_label = 'account'; } $operation_labels = [ '#entity.(?.+).canonical#' => t('View @bundle', ['@bundle' => $type_label]), '#entity.(?.+).delete_form#' => t('Delete @bundle', ['@bundle' => $type_label]), '#entity.(?.+).delete_multiple_form#' => t('Delete @bundle', ['@bundle' => $type_label]), '#entity.(?.+).edit_form#' => t('Edit @bundle', ['@bundle' => $type_label]), '#entity.(?.+).add_form#' => t('Add @bundle', ['@bundle' => $type_label]), '#entity.(?.+).add_page#' => t('Add @bundle', ['@bundle' => $type_label]), '#entity.(?.+).reset_form#' => t('Reset @bundle', ['@bundle' => $type_label]), '#entity.(?.+).cancel_form#' => t('Cancel @bundle', ['@bundle' => $type_label]), '#entity.(?.+).clone_form#' => t('Clone @bundle', ['@bundle' => $type_label]), ]; foreach ($operation_labels as $regex => $label) { if (preg_match($regex, $route_name)) { return $label; } } return NULL; }