class LanguageSwitchLinks in GraphQL 8.3

Plugin annotation

@GraphQLField(
  id = "url_language_switch_links",
  secure = true,
  name = "languageSwitchLinks",
  type = "[LanguageSwitchLink]",
  parents = {"InternalUrl"},
  arguments = {
    "language" = "LanguageId"
  },
  response_cache_contexts = {
    "languages:language_url",
    "languages:language_interface",
  },
  contextual_arguments = {"language"}
)

Hierarchy

• class \Drupal\Component\Plugin\PluginBase implements DerivativeInspectionInterface, PluginInspectionInterface
  • class \Drupal\graphql\Plugin\GraphQL\Fields\FieldPluginBase implements FieldPluginInterface uses ArgumentAwarePluginTrait, CacheablePluginTrait, DeprecatablePluginTrait, DescribablePluginTrait, TypedPluginTrait
    • class \Drupal\graphql_core\Plugin\GraphQL\Fields\LanguageSwitch\LanguageSwitchLinks implements ContainerFactoryPluginInterface

File

modules/graphql_core/src/Plugin/GraphQL/Fields/LanguageSwitch/LanguageSwitchLinks.php, line 33

Namespace

Drupal\graphql_core\Plugin\GraphQL\Fields\LanguageSwitch

class LanguageSwitchLinks extends FieldPluginBase implements ContainerFactoryPluginInterface {

  /**
   * The language manager.
   *
   * @var \Drupal\Core\Language\LanguageManagerInterface
   */
  protected $languageManager;

  /**
   * The subrequest buffer service.
   *
   * @var \Drupal\graphql\GraphQL\Buffers\SubRequestBuffer
   */
  protected $subRequestBuffer;

  /**
   * The config factory.
   *
   * @var \Drupal\Core\Config\ConfigFactoryInterface
   */
  protected $configFactory;

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static($configuration, $plugin_id, $plugin_definition, $container
      ->get('language_manager'), $container
      ->get('graphql.buffer.subrequest'), $container
      ->get('config.factory'));
  }

  /**
   * {@inheritdoc}
   */
  public function __construct(array $configuration, $pluginId, $pluginDefinition, LanguageManagerInterface $languageManager, SubRequestBuffer $subRequestBuffer, ConfigFactoryInterface $configFactory) {
    parent::__construct($configuration, $pluginId, $pluginDefinition);
    $this->languageManager = $languageManager;
    $this->subRequestBuffer = $subRequestBuffer;
    $this->configFactory = $configFactory;
  }

  /**
   * {@inheritdoc}
   */
  protected function resolveValues($value, array $args, ResolveContext $context, ResolveInfo $info) {
    if ($value instanceof Url) {

      // Use the <front> route if the requested url is the frontpage.
      $frontpage = $this->configFactory
        ->get('system.site')
        ->get('page.front');
      if ('/' . $value
        ->getInternalPath() === $frontpage) {
        $value = Url::fromRoute('<front>');
      }
      $links = $this->languageManager
        ->getLanguageSwitchLinks(LanguageInterface::TYPE_URL, $value);
      $current = $this->languageManager
        ->getLanguage($args['language']);
      if (!$current) {
        $current = $this->languageManager
          ->getDefaultLanguage();
      }
      if (!empty($links->links)) {
        foreach ($links->links as $link) {

          // Yield the link array and the language object of the language
          // context resolved from the sub-request.
          (yield [
            'link' => $link,
            'context' => $current,
          ]);
        }
      }
    }
  }

}

Members

Name	Modifiers	Type	Description	Overrides
ArgumentAwarePluginTrait::buildArgumentDefault	protected	function	Builds an argument's default value.
ArgumentAwarePluginTrait::buildArgumentDescription	protected	function	Builds an argument's description.
ArgumentAwarePluginTrait::buildArguments	protected	function	Builds the list of arguments.
ArgumentAwarePluginTrait::buildArgumentType	protected	function	Builds an argument's type.
CacheablePluginTrait::buildCacheContexts	protected	function
DeprecatablePluginTrait::buildDeprecationReason	protected	function
DescribablePluginTrait::buildDescription	protected	function
FieldPluginBase::$isLanguageAware	protected	property	Static cache for `isLanguageAwareField()`
FieldPluginBase::$languageContext	protected	property	The language context service.
FieldPluginBase::$renderer	protected	property	The renderer service.	1
FieldPluginBase::createInstance	public static	function	Overrides FieldPluginInterface::createInstance
FieldPluginBase::getCacheDependencies	protected	function	Retrieve the list of cache dependencies for a given value and arguments.	1
FieldPluginBase::getDefinition	public	function	Returns the plugin's type or field definition for the schema. Overrides FieldPluginInterface::getDefinition
FieldPluginBase::getLanguageContext	protected	function	Get the language context instance.
FieldPluginBase::getRenderer	protected	function	Get the renderer service.
FieldPluginBase::isLanguageAwareField	protected	function	Indicator if the field is language aware.	1
FieldPluginBase::resolve	public	function		1
FieldPluginBase::resolveDeferred	protected	function
FieldPluginBase::unwrapResult	protected	function	Unwrap the resolved values.
LanguageSwitchLinks::$configFactory	protected	property	The config factory.
LanguageSwitchLinks::$languageManager	protected	property	The language manager.
LanguageSwitchLinks::$subRequestBuffer	protected	property	The subrequest buffer service.
LanguageSwitchLinks::create	public static	function	Creates an instance of the plugin. Overrides ContainerFactoryPluginInterface::create
LanguageSwitchLinks::resolveValues	protected	function	Retrieve the list of field values. Overrides FieldPluginBase::resolveValues
LanguageSwitchLinks::__construct	public	function	Constructs a \Drupal\Component\Plugin\PluginBase object. Overrides PluginBase::__construct
PluginBase::$configuration	protected	property	Configuration information passed into the plugin.	1
PluginBase::$pluginDefinition	protected	property	The plugin implementation definition.	1
PluginBase::$pluginId	protected	property	The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR		constant	A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::getBaseId	public	function	Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId	public	function	Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition	public	function	Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition	3
PluginBase::getPluginId	public	function	Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::isConfigurable	public	function	Determines if the plugin is configurable.
TypedPluginTrait::buildType	protected	function