private GridBagLayout gbag = new GridBagLayout();
private GridBagConstraints gbc = new GridBagConstraints();
private Border bs = BorderFactory.createEtchedBorder(EtchedBorder.LOWERED);
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.    
    public void setupIndexPanel()
    {
    	panelIndex = new JPanel();
    	panelIndex.setBorder(new TitledBorder(bs, "Index File Path"));
    	panelIndex.setLayout(gbag);
    	tfIndex = new JTextField(20);
    	tfIndex.setEditable(false);
    	gbc.gridx = 0;
    	gbc.gridy = 0;
    	gbag.setConstraints(tfIndex, gbc);
    	panelIndex.add(tfIndex);
    	btnIndex = new JButton("Get index");
    	btnIndex.setPreferredSize(new Dimension(100, 30));
    	btnIndex.addActionListener(this);
    	gbc.gridx = 1;
    	gbc.gridy = 0;
    	gbag.setConstraints(btnIndex, gbc);
    	panelIndex.add(btnIndex);
    }