void printButton_actionPerformed(ActionEvent e) {
    DetailSaleDocVO vo = (DetailSaleDocVO) headerFormPanel.getVOModel().getValueObject();

    HashMap params = new HashMap();
    params.put("COMPANY_CODE", vo.getCompanyCodeSys01DOC01());
    params.put("DOC_TYPE", vo.getDocTypeDOC01());
    params.put("DOC_YEAR", vo.getDocYearDOC01());
    params.put("DOC_NUMBER", vo.getDocNumberDOC01());

    HashMap map = new HashMap();
    map.put(ApplicationConsts.COMPANY_CODE_SYS01, vo.getCompanyCodeSys01DOC01());
    map.put(ApplicationConsts.FUNCTION_CODE_SYS06, headerFormPanel.getFunctionId());
    map.put(ApplicationConsts.EXPORT_PARAMS, params);
    Response res = ClientUtils.getData("getJasperReport", map);
    if (!res.isError()) {
      JasperPrint print = (JasperPrint) ((VOResponse) res).getVo();
      JRViewer viewer = new JRViewer(print);
      JFrame frame = new JFrame();
      frame.setSize(MDIFrame.getInstance().getSize());
      frame.setContentPane(viewer);
      frame.setTitle(this.getTitle());
      frame.setIconImage(MDIFrame.getInstance().getIconImage());
      frame.setVisible(true);
    } else
      JOptionPane.showMessageDialog(
          ClientUtils.getParentFrame(this),
          res.getErrorMessage(),
          ClientSettings.getInstance().getResources().getResource("print document"),
          JOptionPane.ERROR_MESSAGE);
  }
  void confirmButton_actionPerformed(ActionEvent e) {
    // view close dialog...
    if (JOptionPane.showConfirmDialog(
            ClientUtils.getParentFrame(this),
            ClientSettings.getInstance().getResources().getResource("close credit note?"),
            ClientSettings.getInstance().getResources().getResource("credit note closing"),
            JOptionPane.YES_NO_OPTION)
        == JOptionPane.YES_OPTION) {

      Response res = ClientUtils.getData("closeSaleDoc", controller.getPk());
      if (!res.isError()) {
        confirmButton.setEnabled(false);
        headerFormPanel.setMode(Consts.READONLY);
        headerFormPanel.executeReload();
        if (getInvoices() != null) getInvoices().reloadCurrentBlockOfData();
      } else
        JOptionPane.showMessageDialog(
            ClientUtils.getParentFrame(this),
            res.getErrorMessage(),
            ClientSettings.getInstance().getResources().getResource("credit note closing"),
            JOptionPane.ERROR_MESSAGE);
    }
  }