private JPanel getDataPanel() {
        if (dataPanel == null) {
            dataPanel = new JPanel(new GridBagLayout());
            dataPanel.setBorder(BorderFactory.createTitledBorder(bundle
                    .getString("pnl.data")));
            dataPanel.add(this.jbUpdate, new GridBagConstraints(0, 0, 1, 1,
                    0, 0, GridBagConstraints.SOUTHWEST,
                    GridBagConstraints.NONE, new Insets(2, 2, 2, 2), 0, 0));
            dataPanel.add(this.taUpdate, new GridBagConstraints(1, 0, 1, 1,
                    1, .5, GridBagConstraints.CENTER, GridBagConstraints.BOTH,
                    new Insets(2, 2, 2, 2), 0, 0));
        }
        return dataPanel;
    }