--- /dev/null
+<?php
+
+namespace Drupal\taxonomy\Plugin\views\argument;
+
+use Drupal\views\Plugin\views\argument\NumericArgument;
+use Drupal\taxonomy\VocabularyStorageInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Argument handler to accept a vocabulary id.
+ *
+ * @ingroup views_argument_handlers
+ *
+ * @ViewsArgument("vocabulary_vid")
+ */
+class VocabularyVid extends NumericArgument {
+
+ /**
+ * The vocabulary storage.
+ *
+ * @var \Drupal\taxonomy\VocabularyStorageInterface
+ */
+ protected $vocabularyStorage;
+
+ /**
+ * Constructs the VocabularyVid object.
+ *
+ * @param array $configuration
+ * A configuration array containing information about the plugin instance.
+ * @param string $plugin_id
+ * The plugin_id for the plugin instance.
+ * @param mixed $plugin_definition
+ * The plugin implementation definition.
+ * @param VocabularyStorageInterface $vocabulary_storage
+ * The vocabulary storage.
+ */
+ public function __construct(array $configuration, $plugin_id, $plugin_definition, VocabularyStorageInterface $vocabulary_storage) {
+ parent::__construct($configuration, $plugin_id, $plugin_definition);
+ $this->vocabularyStorage = $vocabulary_storage;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
+ return new static(
+ $configuration,
+ $plugin_id,
+ $plugin_definition,
+ $container->get('entity.manager')->getStorage('taxonomy_vocabulary')
+ );
+ }
+
+ /**
+ * Override the behavior of title(). Get the name of the vocabulary.
+ */
+ public function title() {
+ $vocabulary = $this->vocabularyStorage->load($this->argument);
+ if ($vocabulary) {
+ return $vocabulary->label();
+ }
+
+ return $this->t('No vocabulary');
+ }
+
+}