@Override
  protected void doOKAction() {
    final PsiClass clazz = (PsiClass)myContext.getScope();
    final String name = getName();
    String message = RefactoringBundle.message("field.exists", name, clazz.getQualifiedName());
    if (clazz.findFieldByName(name, true) != null &&
        Messages.showYesNoDialog(myContext.getProject(), message, IntroduceFieldHandler.getRefactoringNameText(), Messages.getWarningIcon()) != Messages.YES) {
      return;
    }
    super.doOKAction();
  }
@Override
  protected void doOKAction()