field_ui_entity_operation

field_ui_entity_operation(EntityInterface $entity)

function field_ui_entity_operation(EntityInterface $entity) {
  $operations = array();
  $info = $entity->getEntityType();
  // Add manage fields and display links if this entity type is the bundle
  // of another and that type has field UI enabled.
  if (($bundle_of = $info->getBundleOf()) && \Drupal::entityManager()->getDefinition($bundle_of)->get('field_ui_base_route')) {
    $account = \Drupal::currentUser();
    if ($account->hasPermission('administer ' . $bundle_of . ' fields')) {
      $operations['manage-fields'] = array(
        'title' => t('Manage fields'),
        'weight' => 15,
        'url' => Url::fromRoute("entity.{$bundle_of}.field_ui_fields", array(
          $entity->getEntityTypeId() => $entity->id(),
        )),
      );
    }
    if ($account->hasPermission('administer ' . $bundle_of . ' form display')) {
      $operations['manage-form-display'] = array(
        'title' => t('Manage form display'),
        'weight' => 20,
        'url' => Url::fromRoute("entity.entity_form_display.{$bundle_of}.default", array(
          $entity->getEntityTypeId() => $entity->id(),
        )),
      );
    }
    if ($account->hasPermission('administer ' . $bundle_of . ' display')) {
      $operations['manage-display'] = array(
        'title' => t('Manage display'),
        'weight' => 25,
        'url' => Url::fromRoute("entity.entity_view_display.{$bundle_of}.default", array(
          $entity->getEntityTypeId() => $entity->id(),
        )),
      );
    }
  }

  return $operations;
}