LanguageDropdownBlock.php in Language Switcher Dropdown 8.2
Same filename in this branch
Namespace
Drupal\lang_dropdown\Plugin\DerivativeFile
src/Plugin/Derivative/LanguageDropdownBlock.phpView source
<?php
namespace Drupal\lang_dropdown\Plugin\Derivative;
use Drupal\Component\Plugin\Derivative\DeriverBase;
use Drupal\Core\Language\LanguageManagerInterface;
use Drupal\Core\Plugin\Discovery\ContainerDeriverInterface;
use Drupal\Core\StringTranslation\StringTranslationTrait;
use Drupal\language\ConfigurableLanguageManagerInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
/**
* Provides dropdown switcher block plugin definitions for all languages.
*/
class LanguageDropdownBlock extends DeriverBase implements ContainerDeriverInterface {
use StringTranslationTrait;
/**
* The language manager service.
*
* @var \Drupal\Core\Language\LanguageManagerInterface
*/
protected $languageManager;
/**
* Constructs new LanguageDropdownBlock.
*
* @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
* The language manager service.
*/
public function __construct(LanguageManagerInterface $language_manager) {
$this->languageManager = $language_manager;
}
/**
* {@inheritdoc}
*/
public static function create(ContainerInterface $container, $base_plugin_id) {
return new static($container
->get('language_manager'));
}
/**
* {@inheritdoc}
*/
public function getDerivativeDefinitions($base_plugin_definition) {
if ($this->languageManager instanceof ConfigurableLanguageManagerInterface) {
$info = $this->languageManager
->getDefinedLanguageTypesInfo();
$configurable_types = $this->languageManager
->getLanguageTypes();
foreach ($configurable_types as $type) {
$this->derivatives[$type] = $base_plugin_definition;
$this->derivatives[$type]['admin_label'] = $this
->t('Language dropdown switcher (@type)', [
'@type' => $info[$type]['name'],
]);
}
// If there is just one configurable type
// then change the title of the block.
if (count($configurable_types) === 1) {
$this->derivatives[reset($configurable_types)]['admin_label'] = $this
->t('Language dropdown switcher');
}
}
return parent::getDerivativeDefinitions($base_plugin_definition);
}
}
Classes
Name | Description |
---|---|
LanguageDropdownBlock | Provides dropdown switcher block plugin definitions for all languages. |