Add SVG icons to field types.

controlled_access_terms.field_type_categories.yml

@@ -0,0 +1,6 @@
+typed_relation:
+  label: 'Typed Relation'
+  description: 'A Reference field, with an associated type selected from a configurable list.'
+  weight: 100
+  libraries:
+    - controlled_access_terms/controlled_access_terms.icons

controlled_access_terms.libraries.yml

@@ -0,0 +1,4 @@
+controlled_access_terms.icons:
+  css:
+    theme:
+      css/controlled_access_terms.icons-min.css: {}

controlled_access_terms.module

@@ -5,11 +5,11 @@
  * Controlled Access Terms stuff.
  */
 
-use Drupal\jsonld\Normalizer\NormalizerBase;
-use Drupal\Core\Entity\EntityInterface;
 use Drupal\controlled_access_terms\EDTFConverter;
-use Drupal\field\Entity\FieldStorageConfig;
+use Drupal\Core\Entity\EntityInterface;
 use Drupal\field\Entity\FieldConfig;
+use Drupal\field\Entity\FieldStorageConfig;
+use Drupal\jsonld\Normalizer\NormalizerBase;
 
 /**
  * Implements hook_rdf_namespaces().
@@ -104,6 +104,34 @@ function controlled_access_terms_jsonld_field_mappings() {
   ];
 }
 
+/**
+ * Implements hook_form_FORM_ID_alter().
+ */
+function controlled_access_terms_form_field_ui_field_storage_add_form_alter(&$form, &$form_state, $form_id) {
+  $form['#attached']['library'][] = 'controlled_access_terms/controlled_access_terms.icons';
+}
+
+/**
+ * Implements hook_field_info_entity_type_ui_definitions_alter().
+ */
+function controlled_access_terms_field_info_entity_type_ui_definitions_alter(array &$ui_definitions, string $entity_type_id) {
+  // Put the generic typed relation field last and name it 'Other'.
+  if (isset($ui_definitions['typed_relation'])) {
+    $ui_definitions['typed_relation']['label'] = t('Other');
+    $ui_definitions['typed_relation']['weight'] = 10;
+  }
+  // Undo some shenanigans done by the Media module to the media option.
+  if (isset($ui_definitions['field_ui:typed_relation:media'])) {
+    $ui_definitions['field_ui:typed_relation:media']['category'] = 'typed_relation';
+    $ui_definitions['field_ui:typed_relation:media']['description'] = 'A reference field with a configurable type selector.';
+    $ui_definitions['field_ui:typed_relation:media']['weight'] = 0;
+  }
+  // Put taxonomy term first in the option list.
+  if (isset($ui_definitions['field_ui:typed_relation:taxonomy_term'])) {
+    $ui_definitions['field_ui:typed_relation:taxonomy_term']['weight'] = -10;
+  }
+}
+
 /**
  * Update EDTF fields from the 2012 draft to match the 2018 spec.
  */

src/Plugin/Field/FieldType/AuthorityLink.php

@@ -14,7 +14,7 @@
  * @FieldType(
  *   id = "authority_link",
  *   label = @Translation("Authority Link"),
- *   description = @Translation("Stores a URL string, an authority source dropdown, an optional varchar link text, and optional blob of attributes to assemble a link."),
+ *   description = @Translation("A Link field, with an authority source selected from a configurable list."),
  *   default_widget = "authority_link_default",
  *   default_formatter = "authority_formatter_default",
  *   constraints = {

src/Plugin/Field/FieldType/TypedRelation.php

@@ -14,8 +14,8 @@
  *   id = "typed_relation",
  *   label = @Translation("Typed Relation"),
  *   module = "controlled_access_terms",
- *   category = @Translation("Typed Relation"),
- *   description = @Translation("Implements a typed relation field"),
+ *   category = "typed_relation",
+ *   description = @Translation("A reference field with a configurable type selector."),
  *   default_formatter = "typed_relation_default",
  *   default_widget = "typed_relation_default",
  *   list_class = "\Drupal\Core\Field\EntityReferenceFieldItemList",