--- /dev/null
+<?php
+
+/**
+ * @file
+ * Provides views data for taxonomy.module.
+ */
+
+use Drupal\field\FieldStorageConfigInterface;
+
+/**
+ * Implements hook_views_data_alter().
+ */
+function taxonomy_views_data_alter(&$data) {
+ $data['node_field_data']['term_node_tid'] = [
+ 'title' => t('Taxonomy terms on node'),
+ 'help' => t('Relate nodes to taxonomy terms, specifying which vocabulary or vocabularies to use. This relationship will cause duplicated records if there are multiple terms.'),
+ 'relationship' => [
+ 'id' => 'node_term_data',
+ 'label' => t('term'),
+ 'base' => 'taxonomy_term_field_data',
+ ],
+ 'field' => [
+ 'title' => t('All taxonomy terms'),
+ 'help' => t('Display all taxonomy terms associated with a node from specified vocabularies.'),
+ 'id' => 'taxonomy_index_tid',
+ 'no group by' => TRUE,
+ 'click sortable' => FALSE,
+ ],
+ ];
+
+ $data['node_field_data']['term_node_tid_depth'] = [
+ 'help' => t('Display content if it has the selected taxonomy terms, or children of the selected terms. Due to additional complexity, this has fewer options than the versions without depth.'),
+ 'real field' => 'nid',
+ 'argument' => [
+ 'title' => t('Has taxonomy term ID (with depth)'),
+ 'id' => 'taxonomy_index_tid_depth',
+ 'accept depth modifier' => TRUE,
+ ],
+ 'filter' => [
+ 'title' => t('Has taxonomy terms (with depth)'),
+ 'id' => 'taxonomy_index_tid_depth',
+ ],
+ ];
+
+ $data['node_field_data']['term_node_tid_depth_modifier'] = [
+ 'title' => t('Has taxonomy term ID depth modifier'),
+ 'help' => t('Allows the "depth" for Taxonomy: Term ID (with depth) to be modified via an additional contextual filter value.'),
+ 'argument' => [
+ 'id' => 'taxonomy_index_tid_depth_modifier',
+ ],
+ ];
+}
+
+/**
+ * Implements hook_field_views_data_alter().
+ *
+ * Views integration for entity reference fields which reference taxonomy terms.
+ * Adds a term relationship to the default field data.
+ *
+ * @see views_field_default_views_data()
+ */
+function taxonomy_field_views_data_alter(array &$data, FieldStorageConfigInterface $field_storage) {
+ if ($field_storage->getType() == 'entity_reference' && $field_storage->getSetting('target_type') == 'taxonomy_term') {
+ foreach ($data as $table_name => $table_data) {
+ foreach ($table_data as $field_name => $field_data) {
+ if (isset($field_data['filter']) && $field_name != 'delta') {
+ $data[$table_name][$field_name]['filter']['id'] = 'taxonomy_index_tid';
+ }
+ }
+ }
+ }
+}
+
+/**
+ * Implements hook_views_plugins_argument_validator_alter().
+ *
+ * Extend the generic entity argument validator.
+ *
+ * @see \Drupal\views\Plugin\views\argument_validator\Entity
+ */
+function taxonomy_views_plugins_argument_validator_alter(array &$plugins) {
+ $plugins['entity:taxonomy_term']['title'] = t('Taxonomy term ID');
+ $plugins['entity:taxonomy_term']['class'] = 'Drupal\taxonomy\Plugin\views\argument_validator\Term';
+ $plugins['entity:taxonomy_term']['provider'] = 'taxonomy';
+}