Inherit standard options for computed fields in views

recurring_events.views.inc

@@ -36,6 +36,7 @@ function recurring_events_views_data_alter(array &$data) {
       'title' => t('Event instance title'),
       'help' => t('The inherited title of an event instance.'),
       'id' => 'eventinstance_title',
+      'field_name' => 'title',
     ],
   ];
 
@@ -46,6 +47,7 @@ function recurring_events_views_data_alter(array &$data) {
       'title' => t('Event instance description'),
       'help' => t('The inherited description of an event instance.'),
       'id' => 'eventinstance_description',
+      'field_name' => 'description',
     ],
   ];
 }

src/Plugin/views/field/EventInstanceDescription.php

@@ -4,6 +4,7 @@ namespace Drupal\recurring_events\Plugin\views\field;
 
 use Drupal\views\Plugin\views\field\FieldPluginBase;
 use Drupal\views\ResultRow;
+use Drupal\views\Plugin\views\field\EntityField;
 
 /**
  * Field handler to show the inherited event instance description.
@@ -12,21 +13,6 @@ use Drupal\views\ResultRow;
  *
  * @ViewsField("eventinstance_description")
  */
-class EventInstanceDescription extends FieldPluginBase {
-
-  /**
-   * {@inheritdoc}
-   */
-  public function query() {
-    // Leave empty to avoid a query on this field.
-  }
-
-  /**
-   * {@inheritdoc}
-   */
-  public function render(ResultRow $values) {
-    $event = $values->_entity;
-    return $event->getInheritedDescription();
-  }
+class EventInstanceDescription extends EntityField {
 
 }

src/Plugin/views/field/EventInstanceTitle.php

@@ -2,8 +2,7 @@
 
 namespace Drupal\recurring_events\Plugin\views\field;
 
-use Drupal\views\Plugin\views\field\FieldPluginBase;
-use Drupal\views\ResultRow;
+use Drupal\views\Plugin\views\field\EntityField;
 
 /**
  * Field handler to show the inherited event instance title.
@@ -12,21 +11,6 @@ use Drupal\views\ResultRow;
  *
  * @ViewsField("eventinstance_title")
  */
-class EventInstanceTitle extends FieldPluginBase {
-
-  /**
-   * {@inheritdoc}
-   */
-  public function query() {
-    // Leave empty to avoid a query on this field.
-  }
-
-  /**
-   * {@inheritdoc}
-   */
-  public function render(ResultRow $values) {
-    $event = $values->_entity;
-    return $event->getInheritedTitle();
-  }
+class EventInstanceTitle extends EntityField {
 
 }