appification of the lang module

Zotlabs/Module/Lang.php

@@ -1,13 +1,28 @@
 <?php
 namespace Zotlabs\Module;
 
+use App;
+use Zotlabs\Lib\Apps;
+use Zotlabs\Web\Controller;
 
-class Lang extends \Zotlabs\Web\Controller {
+class Lang extends Controller {
 
 	function get() {
+
+		if(local_channel()) {
+			if(! Apps::system_app_installed(local_channel(), 'Language')) {
+				//Do not display any associated widgets at this point
+				App::$pdl = '';
+
+				$o = '<b>Language App (Not Installed):</b><br>';
+				$o .= t('Change UI language');
+				return $o;
+			}
+		}
+
 		nav_set_selected('Language');
 		return lang_selector();
+
 	}
 	
-	
 }