cleaned things up a bit

src/Plugin/Field/FieldWidget/DisableAutocompleteWidget.php

@@ -2,7 +2,7 @@
 
 namespace Drupal\disable_field_autocomplete\Plugin\Field\FieldWidget;
 
-use Drupal\Core\Field\Plugin\Field\FieldWidget\EntityReferenceAutocompleteWidget;
+use Drupal\controlled_access_terms\Plugin\Field\FieldWidget\TypedRelationWidget;
 use Drupal\Core\Form\FormStateInterface;
 use Drupal\Core\Field\FieldItemListInterface;
 
@@ -17,26 +17,14 @@ use Drupal\Core\Field\FieldItemListInterface;
  *   },
  * )
  */
-class DisableAutocompleteWidget extends EntityReferenceAutocompleteWidget {
+class DisableAutocompleteWidget extends TypedRelationWidget {
 
   /**
    * {@inheritdoc}
    */
   public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {
     $widget = parent::formElement($items, $delta, $element, $form, $form_state);
-
-    $item =& $items[$delta];
-    $settings = $item->getFieldDefinition()->getSettings();
-    // Set the target bundles to an empty array so autocomplete does
-    // not find anything.  We want an uncontrolled vocabulary.
     $widget['target_id']['#selection_settings']['target_bundles'] = [];
-    $widget['rel_type'] = [
-      '#title' => t('Relationship Type'),
-      '#type' => 'select',
-      '#options' => $settings['rel_types'],
-      '#default_value' => isset($item->rel_type) ? $item->rel_type : '',
-      '#weight' => -1,
-    ];
 
     return $widget;
   }