Re: A component can have two parent?

From:

Knute Johnson <nospam@rabbitbrush.frazmtn.com>

Newsgroups:

comp.lang.java.programmer

Date:

Mon, 18 Feb 2008 19:16:19 -0800

Message-ID:

<47ba4a04$0$27884$b9f67a60@news.newsdemon.com>

andric(www.oksbt.com) wrote:

in fact, i wish a JCheckBox displayed in two Container, and they have
same select status.

thanks in advance.

andric.

No.

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class test {
     public static void main(String[] args) {
         EventQueue.invokeLater(new Runnable() {
             public void run() {
                 JFrame f = new JFrame();
                 f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

                 final JCheckBox cb1 = new JCheckBox("First");
                 final JCheckBox cb2 = new JCheckBox("Second");

                 cb1.addActionListener(new ActionListener() {
                    public void actionPerformed(ActionEvent ae) {
                       cb2.setSelected(cb1.isSelected());
                    }
                 });

                 cb2.addActionListener(new ActionListener() {
                     public void actionPerformed(ActionEvent ae) {
                         cb1.setSelected(cb2.isSelected());
                     }
                 });

                 f.add(cb1,BorderLayout.NORTH);
                 f.add(cb2,BorderLayout.SOUTH);

                 f.pack();
                 f.setVisible(true);
             }
         });
     }
}

--

Knute Johnson
email s/nospam/knute/

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