JInternal Frames

Question

Hi all, I am currently writing a program which should allow me to add, delete, search and edit database records. What i would like to do is to click one of the six buttons on the toolbar and it to lauch a form within an internal frame. I have had a go but a cannot make the frame viewable. If you could help me i would be very grateful. Cheers x
package worldfactfile;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import com.borland.jbcl.layout.*;
public class mainScreen extends JFrame implements ActionListener{
  JPanel contentPane, panel;
  private JDesktopPane theDesktop;
  private JButton button1, button2, button3, button4, button5, button6;
  BorderLayout borderLayout1 = new BorderLayout();
  XYLayout xYLayout1 = new XYLayout();
  JLabel jLabel1 = new JLabel();
  //Construct the frame
  public mainScreen() {
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    try {
      jbInit();
    catch(Exception e) {
      e.printStackTrace();
  //Component initialization
  private void jbInit() throws Exception {
    ImageIcon image1 = new ImageIcon("add.gif");
    ImageIcon image2 = new ImageIcon("edit.gif");
    ImageIcon image3 = new ImageIcon("delete.gif");
    ImageIcon image4 = new ImageIcon("search.gif");
    ImageIcon image5 = new ImageIcon("help.gif");
    ImageIcon image6 = new ImageIcon("exit.gif");
    button1 = new JButton(image1);
    button2 = new JButton(image2);
    button3 = new JButton(image3);
    button4 = new JButton(image4);
    button5 = new JButton(image5);
    button6 = new JButton(image6);
    button1.addActionListener(this);
    button6.addActionListener(this);
    JToolBar bar = new JToolBar();
    bar.add(button1);
    bar.add(button2);
    bar.add(button3);
    bar.add(button4);
    bar.add(button5);
    bar.add(button6);
    contentPane = (JPanel) this.getContentPane();
    contentPane.setLayout(borderLayout1);
    theDesktop = new JDesktopPane();
    contentPane.add("Center", theDesktop);
    contentPane.add("South", bar);
    this.getContentPane().setBackground(SystemColor.controlText);
    this.setSize(new Dimension(950, 750));
    this.setTitle("World Fact File");
    panel = new JPanel() {
                 public void paintComponent(Graphics g)     {
                         ImageIcon img = new ImageIcon("globe2.gif");
                         g.drawImage(img.getImage(), -20, -50, null);
                         super.paintComponent(g);
         panel.setOpaque(false);
    contentPane.add(panel);
  public void actionPerformed(ActionEvent e){
    if(e.getSource() == button6){
      System.exit(0);
    if(e.getSource() == button1){
      JInternalFrame iFrame = new JInternalFrame("My Frame, mine i said", true, true, true, true);
      JLabel lb1 = new JLabel("Hey ho...");
      iFrame.getContentPane().add(lb1);
      iFrame.setSize(new Dimension(200,50));
      iFrame.setVisible(true);
      theDesktop.add(iFrame);
  protected void processWindowEvent(WindowEvent e) {
    super.processWindowEvent(e);
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      System.exit(0);
}

Answer 1

here is ur code, i've modifyed some places. its working now.
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class mainScreen extends JFrame implements ActionListener{
  JPanel contentPane, panel;
  JDesktopPane theDesktop;
  JButton button1, button2, button3, button4, button5, button6;
  BorderLayout borderLayout1 = new BorderLayout();
  //XYLayout xYLayout1 = new XYLayout();
  JLabel jLabel1 = new JLabel();
  //Construct the frame
  public mainScreen() {
    button1 = new JButton("One");
    button2 = new JButton("Two");
    button3 = new JButton("Three");
    button4 = new JButton("Four");
    button5 = new JButton("Five");
    button6 = new JButton("Six");
    button1.addActionListener(this);
    button6.addActionListener(this);
    JToolBar bar = new JToolBar();
    bar.add(button1);
    bar.add(button2);
    bar.add(button3);
    bar.add(button4);
    bar.add(button5);
    bar.add(button6);
    //contentPane = (JPanel) this.getContentPane();
    panel = new JPanel();
    panel.setLayout(borderLayout1);
    theDesktop = new JDesktopPane();
    panel.add("Center", theDesktop);
    panel.add("South", bar);
    getContentPane().add(panel);
    setSize(new Dimension(950, 750));
    setTitle("World Fact File");
    setVisible(true);
  public void actionPerformed(ActionEvent e){
    if(e.getSource() == button6){
      System.exit(0);
    if(e.getSource() == button1){
      JInternalFrame iFrame = new JInternalFrame("My Frame, mine i said", true, true, true, true);
      JLabel lb1 = new JLabel("Hey ho...");
      iFrame.getContentPane().add(lb1);
      iFrame.setSize(new Dimension(200,50));
      iFrame.setVisible(true);
      theDesktop.add(iFrame);
  protected void processWindowEvent(WindowEvent e) {
    super.processWindowEvent(e);
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      System.exit(0);
  public static void main(String a[]){
       mainScreen ms = new mainScreen();
}