--- /dev/null
+<?php
+
+namespace Drupal\config_translation;
+
+use Drupal\Core\Config\ConfigFactoryInterface;
+use Drupal\Core\Config\Entity\ConfigEntityInterface;
+use Drupal\Core\Config\TypedConfigManagerInterface;
+use Drupal\Core\Entity\EntityManagerInterface;
+use Drupal\Core\Language\LanguageManagerInterface;
+use Drupal\Core\Routing\RouteMatchInterface;
+use Drupal\Core\Routing\RouteProviderInterface;
+use Drupal\Core\StringTranslation\TranslationInterface;
+use Drupal\Core\Url;
+use Drupal\locale\LocaleConfigManager;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\Routing\Route;
+
+/**
+ * Configuration mapper for configuration entities.
+ */
+class ConfigEntityMapper extends ConfigNamesMapper {
+
+ /**
+ * The entity manager.
+ *
+ * @var \Drupal\Core\Entity\EntityManagerInterface
+ */
+ protected $entityManager;
+
+ /**
+ * Configuration entity type name.
+ *
+ * @var string
+ */
+ protected $entityType;
+
+ /**
+ * Loaded entity instance to help produce the translation interface.
+ *
+ * @var \Drupal\Core\Config\Entity\ConfigEntityInterface
+ */
+ protected $entity;
+
+ /**
+ * The label for the entity type.
+ *
+ * @var string
+ */
+ protected $typeLabel;
+
+ /**
+ * Constructs a ConfigEntityMapper.
+ *
+ * @param string $plugin_id
+ * The config mapper plugin ID.
+ * @param mixed $plugin_definition
+ * An array of plugin information as documented in
+ * ConfigNamesMapper::__construct() with the following additional keys:
+ * - entity_type: The name of the entity type this mapper belongs to.
+ * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
+ * The configuration factory.
+ * @param \Drupal\Core\Config\TypedConfigManagerInterface $typed_config
+ * The typed configuration manager.
+ * @param \Drupal\locale\LocaleConfigManager $locale_config_manager
+ * The locale configuration manager.
+ * @param \Drupal\config_translation\ConfigMapperManagerInterface $config_mapper_manager
+ * The mapper plugin discovery service.
+ * @param \Drupal\Core\Routing\RouteProviderInterface $route_provider
+ * The route provider.
+ * @param \Drupal\Core\StringTranslation\TranslationInterface $translation_manager
+ * The string translation manager.
+ * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
+ * The entity manager.
+ * @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
+ * The language manager.
+ */
+ public function __construct($plugin_id, $plugin_definition, ConfigFactoryInterface $config_factory, TypedConfigManagerInterface $typed_config, LocaleConfigManager $locale_config_manager, ConfigMapperManagerInterface $config_mapper_manager, RouteProviderInterface $route_provider, TranslationInterface $translation_manager, EntityManagerInterface $entity_manager, LanguageManagerInterface $language_manager) {
+ parent::__construct($plugin_id, $plugin_definition, $config_factory, $typed_config, $locale_config_manager, $config_mapper_manager, $route_provider, $translation_manager, $language_manager);
+ $this->setType($plugin_definition['entity_type']);
+
+ $this->entityManager = $entity_manager;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
+ // Note that we ignore the plugin $configuration because mappers have
+ // nothing to configure in themselves.
+ return new static (
+ $plugin_id,
+ $plugin_definition,
+ $container->get('config.factory'),
+ $container->get('config.typed'),
+ $container->get('locale.config_manager'),
+ $container->get('plugin.manager.config_translation.mapper'),
+ $container->get('router.route_provider'),
+ $container->get('string_translation'),
+ $container->get('entity.manager'),
+ $container->get('language_manager')
+ );
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function populateFromRouteMatch(RouteMatchInterface $route_match) {
+ parent::populateFromRouteMatch($route_match);
+ $entity = $route_match->getParameter($this->entityType);
+ $this->setEntity($entity);
+ }
+
+ /**
+ * Gets the entity instance for this mapper.
+ *
+ * @return \Drupal\Core\Config\Entity\ConfigEntityInterface
+ * The configuration entity.
+ */
+ public function getEntity() {
+ return $this->entity;
+ }
+
+ /**
+ * Sets the entity instance for this mapper.
+ *
+ * This method can only be invoked when the concrete entity is known, that is
+ * in a request for an entity translation path. After this method is called,
+ * the mapper is fully populated with the proper display title and
+ * configuration names to use to check permissions or display a translation
+ * screen.
+ *
+ * @param \Drupal\Core\Config\Entity\ConfigEntityInterface $entity
+ * The configuration entity to set.
+ *
+ * @return bool
+ * TRUE, if the entity was set successfully; FALSE otherwise.
+ */
+ public function setEntity(ConfigEntityInterface $entity) {
+ if (isset($this->entity)) {
+ return FALSE;
+ }
+
+ $this->entity = $entity;
+
+ // Add the list of configuration IDs belonging to this entity. We add on a
+ // possibly existing list of names. This allows modules to alter the entity
+ // page with more names if form altering added more configuration to an
+ // entity. This is not a Drupal 8 best practice (ideally the configuration
+ // would have pluggable components), but this may happen as well.
+ /** @var \Drupal\Core\Config\Entity\ConfigEntityTypeInterface $entity_type_info */
+ $entity_type_info = $this->entityManager->getDefinition($this->entityType);
+ $this->addConfigName($entity_type_info->getConfigPrefix() . '.' . $entity->id());
+
+ return TRUE;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getTitle() {
+ return $this->entity->label() . ' ' . $this->pluginDefinition['title'];
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getBaseRouteParameters() {
+ return [$this->entityType => $this->entity->id()];
+ }
+
+ /**
+ * Set entity type for this mapper.
+ *
+ * This should be set in initialization. A mapper that knows its type but
+ * not yet its names is still useful for router item and tab generation. The
+ * concrete entity only turns out later with actual controller invocations,
+ * when the setEntity() method is invoked before the rest of the methods are
+ * used.
+ *
+ * @param string $entity_type
+ * The entity type to set.
+ *
+ * @return bool
+ * TRUE if the entity type was set correctly; FALSE otherwise.
+ */
+ public function setType($entity_type) {
+ if (isset($this->entityType)) {
+ return FALSE;
+ }
+ $this->entityType = $entity_type;
+ return TRUE;
+ }
+
+ /**
+ * Gets the entity type from this mapper.
+ *
+ * @return string
+ */
+ public function getType() {
+ return $this->entityType;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getTypeName() {
+ $entity_type_info = $this->entityManager->getDefinition($this->entityType);
+ return $entity_type_info->getLabel();
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getTypeLabel() {
+ $entityType = $this->entityManager->getDefinition($this->entityType);
+ return $entityType->getLabel();
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getOperations() {
+ return [
+ 'list' => [
+ 'title' => $this->t('List'),
+ 'url' => Url::fromRoute('config_translation.entity_list', [
+ 'mapper_id' => $this->getPluginId(),
+ ]),
+ ],
+ ];
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getContextualLinkGroup() {
+ // @todo Contextual groups do not map to entity types in a predictable
+ // way. See https://www.drupal.org/node/2134841 to make them predictable.
+ switch ($this->entityType) {
+ case 'menu':
+ case 'block':
+ return $this->entityType;
+ case 'view':
+ return 'entity.view.edit_form';
+ default:
+ return NULL;
+ }
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getOverviewRouteName() {
+ return 'entity.' . $this->entityType . '.config_translation_overview';
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function processRoute(Route $route) {
+ // Add entity upcasting information.
+ $parameters = $route->getOption('parameters') ?: [];
+ $parameters += [
+ $this->entityType => [
+ 'type' => 'entity:' . $this->entityType,
+ ]
+ ];
+ $route->setOption('parameters', $parameters);
+ }
+
+}