code: function (type, args, obj) {
              var el = this.lastElement;
  
              if (args && args[1]) {
                  Event.stopEvent(args[1]);
              }
  
              if (el) {
                  try {
                      el.focus();
                  } catch(err) {
                      // Ignore
                  }
              }
          }
docs: Sets focus to the last element in the Panel.
  
  @method focusLast