--- /dev/null
+<?php
+
+namespace Drupal\taxonomy\Plugin\views\argument_validator;
+
+use Drupal\views\ViewExecutable;
+use Drupal\views\Plugin\views\display\DisplayPluginBase;
+use Drupal\views\Plugin\views\argument_validator\Entity;
+
+/**
+ * Adds legacy vocabulary handling to standard Entity Argument validation..
+ */
+class Term extends Entity {
+
+ /**
+ * {@inheritdoc}
+ */
+ public function init(ViewExecutable $view, DisplayPluginBase $display, array &$options = NULL) {
+ parent::init($view, $display, $options);
+
+ // @todo Remove the legacy code.
+ // Convert legacy vids option to machine name vocabularies.
+ if (!empty($this->options['vids'])) {
+ $vocabularies = taxonomy_vocabulary_get_names();
+ foreach ($this->options['vids'] as $vid) {
+ if (isset($vocabularies[$vid], $vocabularies[$vid]->machine_name)) {
+ $this->options['vocabularies'][$vocabularies[$vid]->machine_name] = $vocabularies[$vid]->machine_name;
+ }
+ }
+ }
+ }
+
+}