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What this is

This file is part of the Tame Swing collection that we have compiled. All of the Java source code in these examples was created by Nobuo Tamemasa. As these examples have become hard to find on the internet, we have put them in one place here, supported by minimal advertising. In time we will include images of each running sample Java/Swing application.

The intent of having these files here is to help you learn Java and Swing by example, and Tame certainly created some terrific examples of the power of the Swing framework.

Other links


java, swing, example, sample, source, custom, group, title, titled, check, checkbox

The source code

/* (swing1.1.1) */
package tame.examples;

import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.ButtonGroup;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.swing.border.TitledBorder;

import tame.panel.CompTitledPane;

@author Nobuo Tamemasa
@version 1.0 08/12/99
public class CompTitledPaneExample1 extends JFrame {

  String title = "<html>Title ("
               + "<font color=\"#ffffff\"><i>JLabel</i></font>"
               + ")";

  public CompTitledPaneExample1() {
    JLabel titleLabel = new JLabel(title);
    CompTitledPane p1 = new CompTitledPane(titleLabel);
    JPanel p = p1.getContentPane();
    p.setLayout(new BorderLayout());
    p.add(new SwitchPanel(p1), BorderLayout.CENTER);
    getContentPane().add(p1, BorderLayout.CENTER);

  class SwitchPanel extends JPanel implements ActionListener {
    String[] posStr = {"", "ABOVE_TOP"   , "TOP"   , "BELOW_TOP"
                         , "ABOVE_BOTTOM", "BOTTOM", "BELOW_BOTTOM"};
    String[] jusStr = {"", "LEFT"        , "CENTER", "RIGHT"};
    TitledBorder border;
    CompTitledPane panel;

    SwitchPanel(CompTitledPane panel) {
      this.panel = panel;
      this.border = (TitledBorder)panel.getBorder();
      add(createPanel("Position"     ,posStr, 2));
      add(createPanel("Justification",jusStr, 1));

    JPanel createPanel(String str, String[] strs, int selectPos) {
      JPanel p = new JPanel();
      p.setLayout(new GridLayout(strs.length, 1));
      p.add(new JLabel(str));
      ButtonGroup g = new ButtonGroup();
      for (int i=1;i<strs.length;i++) {
        JRadioButton b = new JRadioButton(strs[i]);
        if (i == selectPos) {
        p.add( b );
        g.add( b );
      return p;

    public void actionPerformed(ActionEvent e) {
      JRadioButton b = (JRadioButton)e.getSource();
      String label = b.getText();
      for (int i=1; i<posStr.length; i++) {
        if (label.equals(posStr[i])) {
      for (int i=1; i<jusStr.length; i++) {
        if (label.equals(jusStr[i])) {

  public static void main (String args[]) {
    CompTitledPaneExample1 frame = new CompTitledPaneExample1();
    frame.addWindowListener(new WindowAdapter() {
      public void windowClosing(WindowEvent e) {
    frame.setSize(280, 230);

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