/**
  * Display a list of new widgets added to widgetManager
  */
 function show()
 {
     if (count($_SESSION['plugin']) > 0) {
         self::$newWidgetList = $_SESSION['plugin'];
         $_SESSION['plugin'] = null;
     }
     if (count(self::$newWidgetList) > 0) {
         echo '<div class="notfi"><strong>Recently added widgets</strong> <ul style="list-style:disc; padding: 1px; list-style-position: inside;">';
         foreach (self::$newWidgetList as $nw) {
             echo $nw;
         }
         $shown = true;
     }
     echo '</ul></div>';
     self::$newWidgetList = null;
 }