Java - GridBagLayout, strange problem

waitinforatrain

I generated a simple GridBagLayout, but when I put the result in a frame, it looks weird.

The components are vertical, but they also replicate horizontally. I'm at my wits end with this and can't see what's wrong, help!

public class GaussianNodePanel extends NodePanel {
    public GaussianNodePanel() {
        initComponents();
    }

    public static void main(String[] args) {
        JFrame frame = new JFrame();
        frame.add(new GaussianNodePanel());
        frame.pack();
        frame.setVisible(true);
    }
    
    private JTextField coefficientsTextField;
    private JTextField sigmaTextField;
    private JTextField offsetTextField;
    
    @Override
    protected void initComponents() {
        JLabel label1 = new JLabel();
        coefficientsTextField = new JTextField();
        JLabel label2 = new JLabel();
        sigmaTextField = new JTextField();
        JLabel label3 = new JLabel();
        offsetTextField = new JTextField();

        //======== this ========
        setBorder(new TitledBorder("Properties"));
        setLayout(new GridBagLayout());
        ((GridBagLayout)getLayout()).columnWidths = new int[] {88, 190, 0};
        ((GridBagLayout)getLayout()).rowHeights = new int[] {23, 0, 0, 0};
        ((GridBagLayout)getLayout()).columnWeights = new double[] {0.0, 0.0, 1.0E-4};
        ((GridBagLayout)getLayout()).rowWeights = new double[] {0.0, 0.0, 0.0, 1.0E-4};

        //---- label1 ----
        label1.setText("Coefficients:");
        add(label1, new GridBagConstraints(0, 0, 1, 1, 0.0, 0.0,
            GridBagConstraints.EAST, GridBagConstraints.VERTICAL,
            new Insets(0, 0, 5, 5), 0, 0));
        add(coefficientsTextField, new GridBagConstraints(1, 0, 1, 1, 0.0, 0.0,
            GridBagConstraints.CENTER, GridBagConstraints.BOTH,
            new Insets(0, 0, 5, 0), 0, 0));

        //---- label2 ----
        label2.setText("Sigma:");
        add(label2, new GridBagConstraints(0, 1, 1, 1, 0.0, 0.0,
            GridBagConstraints.EAST, GridBagConstraints.VERTICAL,
            new Insets(0, 0, 5, 5), 0, 0));
        add(sigmaTextField, new GridBagConstraints(1, 1, 1, 1, 0.0, 0.0,
            GridBagConstraints.CENTER, GridBagConstraints.BOTH,
            new Insets(0, 0, 5, 0), 0, 0));

        //---- label3 ----
        label3.setText("Offset:");
        add(label3, new GridBagConstraints(0, 2, 1, 1, 0.0, 0.0,
            GridBagConstraints.EAST, GridBagConstraints.VERTICAL,
            new Insets(0, 0, 0, 5), 0, 0));
        add(offsetTextField, new GridBagConstraints(1, 2, 1, 1, 0.0, 0.0,
            GridBagConstraints.CENTER, GridBagConstraints.BOTH,
            new Insets(0, 0, 0, 0), 0, 0));
    }
}

Reku

Are you sure gridbag is the best layout manager for this?
Do you even need to use a layout manager for this, there aren't many things to be placed?