--- /dev/null
+<?php
+
+/**
+ * @file
+ * Provide Views data for options.module.
+ *
+ * @ingroup views_module_handlers
+ */
+
+use Drupal\field\FieldStorageConfigInterface;
+
+/**
+ * Implements hook_field_views_data().
+ *
+ * Views integration for list fields. Have a different filter handler and
+ * argument handlers for list fields. This should allow to select values of
+ * the list.
+ */
+function options_field_views_data(FieldStorageConfigInterface $field) {
+ $data = views_field_default_views_data($field);
+
+ 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][$field_name]['filter']['id'] = 'list_field';
+ }
+ if (isset($field_data['argument']) && $field_name != 'delta') {
+ if ($field->getType() == 'list_string') {
+ $data[$table_name][$field_name]['argument']['id'] = 'string_list_field';
+ }
+ else {
+ $data[$table_name][$field_name]['argument']['id'] = 'number_list_field';
+ }
+ }
+ }
+ }
+
+ return $data;
+}