class LanguageNegotiationUI in Drupal 9

Identifies the language from the interface text language selected for page.

Plugin annotation

@LanguageNegotiation(
  id = Drupal\language\Plugin\LanguageNegotiation\LanguageNegotiationUI::METHOD_ID,
  types = {Drupal\Core\Language\LanguageInterface::TYPE_CONTENT},
  weight = 9,
  name = @Translation("Interface"),
  description = @Translation("Use the detected interface language.")
)

Hierarchy

• class \Drupal\language\LanguageNegotiationMethodBase implements LanguageNegotiationMethodInterface
  • class \Drupal\language\Plugin\LanguageNegotiation\LanguageNegotiationUI

4 files declare their use of LanguageNegotiationUI

language.module in core/modules/language/language.module

Add language handling functionality to Drupal.

LanguageNegotiationInfoTest.php in core/modules/language/tests/src/Functional/LanguageNegotiationInfoTest.php

LanguageNegotiator.php in core/modules/language/src/LanguageNegotiator.php

language_test.module in core/modules/language/tests/language_test/language_test.module

Mock module for language layer tests.

File

core/modules/language/src/Plugin/LanguageNegotiation/LanguageNegotiationUI.php, line 19

Namespace

Drupal\language\Plugin\LanguageNegotiation

class LanguageNegotiationUI extends LanguageNegotiationMethodBase {

  /**
   * The language negotiation method id.
   */
  const METHOD_ID = 'language-interface';

  /**
   * {@inheritdoc}
   */
  public function getLangcode(Request $request = NULL) {
    return $this->languageManager ? $this->languageManager
      ->getCurrentLanguage()
      ->getId() : NULL;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
LanguageNegotiationMethodBase::$config	protected	property	The configuration factory.
LanguageNegotiationMethodBase::$currentUser	protected	property	The current active user.
LanguageNegotiationMethodBase::$languageManager	protected	property	The language manager.
LanguageNegotiationMethodBase::persist	public	function	Notifies the plugin that the language code it returned has been accepted. Overrides LanguageNegotiationMethodInterface::persist	1
LanguageNegotiationMethodBase::setConfig	public	function	Injects the configuration factory. Overrides LanguageNegotiationMethodInterface::setConfig
LanguageNegotiationMethodBase::setCurrentUser	public	function	Injects the current user. Overrides LanguageNegotiationMethodInterface::setCurrentUser
LanguageNegotiationMethodBase::setLanguageManager	public	function	Injects the language manager. Overrides LanguageNegotiationMethodInterface::setLanguageManager
LanguageNegotiationUI::getLangcode	public	function	Performs language negotiation. Overrides LanguageNegotiationMethodInterface::getLangcode
LanguageNegotiationUI::METHOD_ID		constant	The language negotiation method id.