hide map for Character groups Quest Stations when there are no stations

www/analytics/plugins/LanguagesManager/Controller.php

@@ -0,0 +1,37 @@
+<?php
+/**
+ * Piwik - Open source web analytics
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ *
+ *
+ */
+namespace Piwik\Plugins\LanguagesManager;
+
+use Piwik\Common;
+use Piwik\DbHelper;
+use Piwik\Piwik;
+use Piwik\Url;
+
+/**
+ */
+class Controller extends \Piwik\Plugin\Controller
+{
+    /**
+     * anonymous = in the session
+     * authenticated user = in the session
+     */
+    public function saveLanguage()
+    {
+        $language = Common::getRequestVar('language');
+
+        // Prevent CSRF only when piwik is not installed yet (During install user can change language)
+        if (DbHelper::isInstalled()) {
+            $this->checkTokenInUrl();
+        }
+
+        LanguagesManager::setLanguageForSession($language);
+        Url::redirectToReferrer();
+    }
+}