LanguageBlock.php
Same filename in this branch
Same filename in other branches
- 9 core/modules/language/src/Plugin/Derivative/LanguageBlock.php
- 9 core/modules/language/src/Plugin/Block/LanguageBlock.php
- 8.9.x core/modules/language/src/Plugin/Derivative/LanguageBlock.php
- 8.9.x core/modules/language/src/Plugin/Block/LanguageBlock.php
- 10 core/modules/language/src/Plugin/Derivative/LanguageBlock.php
- 10 core/modules/language/src/Plugin/Block/LanguageBlock.php
Namespace
Drupal\language\Plugin\BlockFile
-
core/
modules/ language/ src/ Plugin/ Block/ LanguageBlock.php
View source
<?php
namespace Drupal\language\Plugin\Block;
use Drupal\Core\Access\AccessResult;
use Drupal\Core\Block\Attribute\Block;
use Drupal\Core\Block\BlockBase;
use Drupal\Core\Path\PathMatcherInterface;
use Drupal\Core\Session\AccountInterface;
use Drupal\Core\Language\LanguageManagerInterface;
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Drupal\Core\StringTranslation\TranslatableMarkup;
use Drupal\Core\Url;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Drupal\language\Plugin\Derivative\LanguageBlock as LanguageBlockDeriver;
/**
* Provides a 'Language switcher' block.
*/
class LanguageBlock extends BlockBase implements ContainerFactoryPluginInterface {
/**
* The language manager.
*
* @var \Drupal\Core\Language\LanguageManagerInterface
*/
protected $languageManager;
/**
* The path matcher.
*
* @var \Drupal\Core\Path\PathMatcherInterface
*/
protected $pathMatcher;
/**
* Constructs a LanguageBlock object.
*
* @param array $configuration
* A configuration array containing information about the plugin instance.
* @param string $plugin_id
* The plugin_id for the plugin instance.
* @param mixed $plugin_definition
* The plugin implementation definition.
* @param \Drupal\Core\Language\LanguageManagerInterface $language_manager
* The language manager.
* @param \Drupal\Core\Path\PathMatcherInterface $path_matcher
* The path matcher.
*/
public function __construct(array $configuration, $plugin_id, $plugin_definition, LanguageManagerInterface $language_manager, PathMatcherInterface $path_matcher) {
parent::__construct($configuration, $plugin_id, $plugin_definition);
$this->languageManager = $language_manager;
$this->pathMatcher = $path_matcher;
}
/**
* {@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('path.matcher'));
}
/**
* {@inheritdoc}
*/
protected function blockAccess(AccountInterface $account) {
$access = $this->languageManager
->isMultilingual() ? AccessResult::allowed() : AccessResult::forbidden();
return $access->addCacheTags([
'config:configurable_language_list',
]);
}
/**
* {@inheritdoc}
*/
public function build() {
$build = [];
$type = $this->getDerivativeId();
$route_match = \Drupal::routeMatch();
// If there is no route match, for example when creating blocks on 404 pages
// for logged-in users with big_pipe enabled using the front page instead.
if ($this->pathMatcher
->isFrontPage() || !$route_match->getRouteObject()) {
// We are skipping the route match on both 404 and front page.
// Example: If on front page, there is no route match like when creating
// blocks on 404 pages for logged-in users with big_pipe enabled, use the
// front page.
$url = Url::fromRoute('<front>');
}
else {
$url = Url::fromRouteMatch($route_match);
}
$links = $this->languageManager
->getLanguageSwitchLinks($type, $url);
if (isset($links->links)) {
$build = [
'#theme' => 'links__language_block',
'#links' => $links->links,
'#attributes' => [
'class' => [
"language-switcher-{$links->method_id}",
],
],
'#set_active_class' => TRUE,
];
}
return $build;
}
/**
* {@inheritdoc}
*
* @todo Make cacheable in https://www.drupal.org/node/2232375.
*/
public function getCacheMaxAge() {
return 0;
}
}
Classes
Title | Deprecated | Summary |
---|---|---|
LanguageBlock | Provides a 'Language switcher' block. |
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