@Override
  public void update(@NotNull AnActionEvent e) {
    Project project = e.getProject();
    VirtualFile virtualFile = project == null ? null : e.getData(CommonDataKeys.VIRTUAL_FILE);
    Document document = virtualFile == null ? null : FileDocumentManager.getInstance().getDocument(virtualFile);
    e.getPresentation().setEnabled(document != null);
  }
@Override
  public void update(@NotNull AnActionEvent e)