--- /dev/null
+<?php
+
+namespace Drupal\config_translation\Plugin\Derivative;
+
+use Drupal\Component\Plugin\Derivative\DeriverBase;
+use Drupal\config_translation\ConfigMapperManagerInterface;
+use Drupal\Core\Plugin\Discovery\ContainerDeriverInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Provides dynamic contextual links for configuration translation.
+ */
+class ConfigTranslationContextualLinks extends DeriverBase implements ContainerDeriverInterface {
+
+ /**
+ * The mapper plugin discovery service.
+ *
+ * @var \Drupal\config_translation\ConfigMapperManagerInterface
+ */
+ protected $mapperManager;
+
+ /**
+ * Constructs a new ConfigTranslationContextualLinks.
+ *
+ * @param \Drupal\config_translation\ConfigMapperManagerInterface $mapper_manager
+ * The mapper plugin discovery service.
+ */
+ public function __construct(ConfigMapperManagerInterface $mapper_manager) {
+ $this->mapperManager = $mapper_manager;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public static function create(ContainerInterface $container, $base_plugin_id) {
+ return new static(
+ $container->get('plugin.manager.config_translation.mapper')
+ );
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getDerivativeDefinitions($base_plugin_definition) {
+ // Create contextual links for all mappers.
+ $mappers = $this->mapperManager->getMappers();
+ foreach ($mappers as $plugin_id => $mapper) {
+ // @todo Contextual groups do not map to entity types in a predictable
+ // way. See https://www.drupal.org/node/2134841 to make them
+ // predictable.
+ $group_name = $mapper->getContextualLinkGroup();
+ if (empty($group_name)) {
+ continue;
+ }
+
+ /** @var \Drupal\config_translation\ConfigMapperInterface $mapper */
+ $route_name = $mapper->getOverviewRouteName();
+ $this->derivatives[$route_name] = $base_plugin_definition;
+ $this->derivatives[$route_name]['config_translation_plugin_id'] = $plugin_id;
+ $this->derivatives[$route_name]['class'] = '\Drupal\config_translation\Plugin\Menu\ContextualLink\ConfigTranslationContextualLink';
+ $this->derivatives[$route_name]['route_name'] = $route_name;
+ $this->derivatives[$route_name]['group'] = $group_name;
+ }
+ return parent::getDerivativeDefinitions($base_plugin_definition);
+ }
+
+}