ConfigTranslationContextualLink.php

<?php

namespace Drupal\config_translation\Plugin\Menu\ContextualLink;

use Drupal\Core\Menu\ContextualLinkDefault;
use Drupal\Core\StringTranslation\StringTranslationTrait;
use Symfony\Component\HttpFoundation\Request;

/**
 * Defines a contextual link plugin with a dynamic title.
 */
class ConfigTranslationContextualLink extends ContextualLinkDefault {
  use StringTranslationTrait;
  
  /**
   * The mapper plugin discovery service.
   *
   * @var \Drupal\config_translation\ConfigMapperManagerInterface
   */
  protected $mapperManager;
  
  /**
   * {@inheritdoc}
   */
  public function getTitle(?Request $request = NULL) {
    // Use the custom 'config_translation_plugin_id' plugin definition key to
    // retrieve the title. We need to retrieve a runtime title (as opposed to
    // storing the title on the plugin definition for the link) because it
    // contains translated parts that we need in the runtime language.
    $type_name = mb_strtolower($this->mapperManager()
      ->createInstance($this->pluginDefinition['config_translation_plugin_id'])
      ->getTypeLabel());
    return $this->t('Translate @type_name', [
      '@type_name' => $type_name,
    ]);
  }
  
  /**
   * Gets the mapper manager.
   *
   * @return \Drupal\config_translation\ConfigMapperManagerInterface
   *   The mapper manager.
   */
  protected function mapperManager() {
    if (!$this->mapperManager) {
      $this->mapperManager = \Drupal::service('plugin.manager.config_translation.mapper');
    }
    return $this->mapperManager;
  }

}