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;
    }

}