--- /dev/null
+<?php
+
+/**
+ * @file
+ * Builds placeholder replacement tokens for taxonomy terms and vocabularies.
+ */
+
+use Drupal\Core\Render\BubbleableMetadata;
+use Drupal\taxonomy\Entity\Vocabulary;
+
+/**
+ * Implements hook_token_info().
+ */
+function taxonomy_token_info() {
+ $types['term'] = [
+ 'name' => t("Taxonomy terms"),
+ 'description' => t("Tokens related to taxonomy terms."),
+ 'needs-data' => 'term',
+ ];
+ $types['vocabulary'] = [
+ 'name' => t("Vocabularies"),
+ 'description' => t("Tokens related to taxonomy vocabularies."),
+ 'needs-data' => 'vocabulary',
+ ];
+
+ // Taxonomy term related variables.
+ $term['tid'] = [
+ 'name' => t("Term ID"),
+ 'description' => t("The unique ID of the taxonomy term."),
+ ];
+ $term['name'] = [
+ 'name' => t("Name"),
+ 'description' => t("The name of the taxonomy term."),
+ ];
+ $term['description'] = [
+ 'name' => t("Description"),
+ 'description' => t("The optional description of the taxonomy term."),
+ ];
+ $term['node-count'] = [
+ 'name' => t("Node count"),
+ 'description' => t("The number of nodes tagged with the taxonomy term."),
+ ];
+ $term['url'] = [
+ 'name' => t("URL"),
+ 'description' => t("The URL of the taxonomy term."),
+ ];
+
+ // Taxonomy vocabulary related variables.
+ $vocabulary['vid'] = [
+ 'name' => t("Vocabulary ID"),
+ 'description' => t("The unique ID of the taxonomy vocabulary."),
+ ];
+ $vocabulary['name'] = [
+ 'name' => t("Name"),
+ 'description' => t("The name of the taxonomy vocabulary."),
+ ];
+ $vocabulary['description'] = [
+ 'name' => t("Description"),
+ 'description' => t("The optional description of the taxonomy vocabulary."),
+ ];
+ $vocabulary['node-count'] = [
+ 'name' => t("Node count"),
+ 'description' => t("The number of nodes tagged with terms belonging to the taxonomy vocabulary."),
+ ];
+ $vocabulary['term-count'] = [
+ 'name' => t("Term count"),
+ 'description' => t("The number of terms belonging to the taxonomy vocabulary."),
+ ];
+
+ // Chained tokens for taxonomies
+ $term['vocabulary'] = [
+ 'name' => t("Vocabulary"),
+ 'description' => t("The vocabulary the taxonomy term belongs to."),
+ 'type' => 'vocabulary',
+ ];
+ $term['parent'] = [
+ 'name' => t("Parent term"),
+ 'description' => t("The parent term of the taxonomy term, if one exists."),
+ 'type' => 'term',
+ ];
+
+ return [
+ 'types' => $types,
+ 'tokens' => [
+ 'term' => $term,
+ 'vocabulary' => $vocabulary,
+ ],
+ ];
+}
+
+/**
+ * Implements hook_tokens().
+ */
+function taxonomy_tokens($type, $tokens, array $data, array $options, BubbleableMetadata $bubbleable_metadata) {
+ $token_service = \Drupal::token();
+
+ $replacements = [];
+ $taxonomy_storage = \Drupal::entityManager()->getStorage('taxonomy_term');
+ if ($type == 'term' && !empty($data['term'])) {
+ $term = $data['term'];
+
+ foreach ($tokens as $name => $original) {
+ switch ($name) {
+ case 'tid':
+ $replacements[$original] = $term->id();
+ break;
+
+ case 'name':
+ $replacements[$original] = $term->getName();
+ break;
+
+ case 'description':
+ // "processed" returns a \Drupal\Component\Render\MarkupInterface via
+ // check_markup().
+ $replacements[$original] = $term->description->processed;
+ break;
+
+ case 'url':
+ $replacements[$original] = $term->url('canonical', ['absolute' => TRUE]);
+ break;
+
+ case 'node-count':
+ $query = db_select('taxonomy_index');
+ $query->condition('tid', $term->id());
+ $query->addTag('term_node_count');
+ $count = $query->countQuery()->execute()->fetchField();
+ $replacements[$original] = $count;
+ break;
+
+ case 'vocabulary':
+ $vocabulary = Vocabulary::load($term->bundle());
+ $bubbleable_metadata->addCacheableDependency($vocabulary);
+ $replacements[$original] = $vocabulary->label();
+ break;
+
+ case 'parent':
+ if ($parents = $taxonomy_storage->loadParents($term->id())) {
+ $parent = array_pop($parents);
+ $bubbleable_metadata->addCacheableDependency($parent);
+ $replacements[$original] = $parent->getName();
+ }
+ break;
+ }
+ }
+
+ if ($vocabulary_tokens = $token_service->findWithPrefix($tokens, 'vocabulary')) {
+ $vocabulary = Vocabulary::load($term->bundle());
+ $replacements += $token_service->generate('vocabulary', $vocabulary_tokens, ['vocabulary' => $vocabulary], $options, $bubbleable_metadata);
+ }
+
+ if (($vocabulary_tokens = $token_service->findWithPrefix($tokens, 'parent')) && $parents = $taxonomy_storage->loadParents($term->id())) {
+ $parent = array_pop($parents);
+ $replacements += $token_service->generate('term', $vocabulary_tokens, ['term' => $parent], $options, $bubbleable_metadata);
+ }
+ }
+
+ elseif ($type == 'vocabulary' && !empty($data['vocabulary'])) {
+ $vocabulary = $data['vocabulary'];
+
+ foreach ($tokens as $name => $original) {
+ switch ($name) {
+ case 'vid':
+ $replacements[$original] = $vocabulary->id();
+ break;
+
+ case 'name':
+ $replacements[$original] = $vocabulary->label();
+ break;
+
+ case 'description':
+ $build = ['#markup' => $vocabulary->getDescription()];
+ // @todo Fix in https://www.drupal.org/node/2577827
+ $replacements[$original] = \Drupal::service('renderer')->renderPlain($build);
+ break;
+
+ case 'term-count':
+ $replacements[$original] = \Drupal::entityQuery('taxonomy_term')
+ ->condition('vid', $vocabulary->id())
+ ->addTag('vocabulary_term_count')
+ ->count()
+ ->execute();
+ break;
+
+ case 'node-count':
+ $replacements[$original] = $taxonomy_storage->nodeCount($vocabulary->id());
+ break;
+ }
+ }
+ }
+
+ return $replacements;
+}