Chris@0: <?php
Chris@0: 
Chris@0: /**
Chris@0:  * @file
Chris@0:  * Provides views data for taxonomy.module.
Chris@0:  */
Chris@0: 
Chris@0: use Drupal\field\FieldStorageConfigInterface;
Chris@0: 
Chris@0: /**
Chris@0:  * Implements hook_views_data_alter().
Chris@0:  */
Chris@0: function taxonomy_views_data_alter(&$data) {
Chris@0:   $data['node_field_data']['term_node_tid'] = [
Chris@0:     'title' => t('Taxonomy terms on node'),
Chris@0:     '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.'),
Chris@0:     'relationship' => [
Chris@0:       'id' => 'node_term_data',
Chris@0:       'label' => t('term'),
Chris@0:       'base' => 'taxonomy_term_field_data',
Chris@0:     ],
Chris@0:     'field' => [
Chris@0:       'title' => t('All taxonomy terms'),
Chris@0:       'help' => t('Display all taxonomy terms associated with a node from specified vocabularies.'),
Chris@0:       'id' => 'taxonomy_index_tid',
Chris@0:       'no group by' => TRUE,
Chris@0:       'click sortable' => FALSE,
Chris@0:     ],
Chris@0:   ];
Chris@0: 
Chris@0:   $data['node_field_data']['term_node_tid_depth'] = [
Chris@0:     '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.'),
Chris@0:     'real field' => 'nid',
Chris@0:     'argument' => [
Chris@0:       'title' => t('Has taxonomy term ID (with depth)'),
Chris@0:       'id' => 'taxonomy_index_tid_depth',
Chris@0:       'accept depth modifier' => TRUE,
Chris@0:     ],
Chris@0:     'filter' => [
Chris@0:       'title' => t('Has taxonomy terms (with depth)'),
Chris@0:       'id' => 'taxonomy_index_tid_depth',
Chris@0:     ],
Chris@0:   ];
Chris@0: 
Chris@0:   $data['node_field_data']['term_node_tid_depth_modifier'] = [
Chris@0:     'title' => t('Has taxonomy term ID depth modifier'),
Chris@0:     'help' => t('Allows the "depth" for Taxonomy: Term ID (with depth) to be modified via an additional contextual filter value.'),
Chris@0:     'argument' => [
Chris@0:       'id' => 'taxonomy_index_tid_depth_modifier',
Chris@0:     ],
Chris@0:   ];
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Implements hook_field_views_data_alter().
Chris@0:  *
Chris@0:  * Views integration for entity reference fields which reference taxonomy terms.
Chris@0:  * Adds a term relationship to the default field data.
Chris@0:  *
Chris@0:  * @see views_field_default_views_data()
Chris@0:  */
Chris@0: function taxonomy_field_views_data_alter(array &$data, FieldStorageConfigInterface $field_storage) {
Chris@0:   if ($field_storage->getType() == 'entity_reference' && $field_storage->getSetting('target_type') == 'taxonomy_term') {
Chris@0:     foreach ($data as $table_name => $table_data) {
Chris@0:       foreach ($table_data as $field_name => $field_data) {
Chris@0:         if (isset($field_data['filter']) && $field_name != 'delta') {
Chris@0:           $data[$table_name][$field_name]['filter']['id'] = 'taxonomy_index_tid';
Chris@0:         }
Chris@0:       }
Chris@0:     }
Chris@0:   }
Chris@0: }
Chris@0: 
Chris@0: /**
Chris@0:  * Implements hook_views_plugins_argument_validator_alter().
Chris@0:  *
Chris@0:  * Extend the generic entity argument validator.
Chris@0:  *
Chris@0:  * @see \Drupal\views\Plugin\views\argument_validator\Entity
Chris@0:  */
Chris@0: function taxonomy_views_plugins_argument_validator_alter(array &$plugins) {
Chris@0:   $plugins['entity:taxonomy_term']['title'] = t('Taxonomy term ID');
Chris@0:   $plugins['entity:taxonomy_term']['class'] = 'Drupal\taxonomy\Plugin\views\argument_validator\Term';
Chris@0:   $plugins['entity:taxonomy_term']['provider'] = 'taxonomy';
Chris@0: }