Render the tag_type label.

modules/core/id_tag/src/Plugin/Field/FieldFormatter/IdTagFormatter.php

@@ -2,8 +2,11 @@
 
 namespace Drupal\farm_id_tag\Plugin\Field\FieldFormatter;
 
+use Drupal\Core\Entity\EntityTypeManagerInterface;
+use Drupal\Core\Field\FieldDefinitionInterface;
 use Drupal\Core\Field\FieldItemListInterface;
 use Drupal\Core\Field\FormatterBase;
+use Symfony\Component\DependencyInjection\ContainerInterface;
 
 /**
  * Plugin implementation of the 'id tag' formatter.
@@ -18,6 +21,54 @@ use Drupal\Core\Field\FormatterBase;
  */
 class IdTagFormatter extends FormatterBase {
 
+  /**
+   * The tag_type entity storage.
+   *
+   * @var \Drupal\Core\Entity\EntityStorageInterface
+   */
+  protected $tagTypeStorage;
+
+  /**
+   * Constructs an IdTagFormatter object.
+   *
+   * @param string $plugin_id
+   *   The plugin_id for the formatter.
+   * @param mixed $plugin_definition
+   *   The plugin implementation definition.
+   * @param \Drupal\Core\Field\FieldDefinitionInterface $field_definition
+   *   The definition of the field to which the formatter is associated.
+   * @param array $settings
+   *   The formatter settings.
+   * @param string $label
+   *   The formatter label display setting.
+   * @param string $view_mode
+   *   The view mode.
+   * @param array $third_party_settings
+   *   Any third party settings.
+   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
+   *   The entity type manager service.
+   */
+  public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, $label, $view_mode, array $third_party_settings, EntityTypeManagerInterface $entity_type_manager) {
+    parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $label, $view_mode, $third_party_settings);
+    $this->tagTypeStorage = $entity_type_manager->getStorage('tag_type');
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
+    return new static(
+      $plugin_id,
+      $plugin_definition,
+      $configuration['field_definition'],
+      $configuration['settings'],
+      $configuration['label'],
+      $configuration['view_mode'],
+      $configuration['third_party_settings'],
+      $container->get('entity_type.manager'),
+    );
+  }
+
   /**
    * {@inheritdoc}
    */
@@ -33,10 +84,10 @@ class IdTagFormatter extends FormatterBase {
         ];
       }
 
-      // Render the type if it exists.
-      if (!empty($item->type)) {
+      // Render the type if it exists. Use the tag_type label.
+      if (!empty($item->type) && $tag_type = $this->tagTypeStorage->load($item->type)) {
         $elements[$delta]['type'] = [
-          '#markup' => $this->t('Type: @value', ['@value' => $item->type]),
+          '#markup' => $this->t('Type: @value', ['@value' => $tag_type->label()]),
         ];
       }