@Override
    public void update(@NotNull AnActionEvent e) {
      AnAction action = ActionUtil.getAction(myHorizontal ? "SplitVertically" : "SplitHorizontally");
      if (action != null) {
        e.getPresentation().setIcon(action.getTemplatePresentation().getIcon());
      }
      e.getPresentation().setEnabledAndVisible(myManager.getContents().length > 1);
    }
@Override
    public void update(@NotNull AnActionEvent e)