MyDialog.java Source code

Introduction

Here is the source code for MyDialog.java

Source

// : c14:Dialogs.java
// Creating and using Dialog Boxes.
// <applet code=Dialogs width=125 height=75></applet>
// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
// www.BruceEckel.com. See copyright notice in CopyRight.txt.

import java.awt.Container;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JApplet;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JLabel;

class MyDialog extends JDialog {
    public MyDialog(JFrame parent) {
        super(parent, "My dialog", true);
        Container cp = getContentPane();
        cp.setLayout(new FlowLayout());
        cp.add(new JLabel("Here is my dialog"));
        JButton ok = new JButton("OK");
        ok.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                dispose(); // Closes the dialog
            }
        });
        cp.add(ok);
        setSize(150, 125);
    }
}

public class Dialogs extends JApplet {
    private JButton b1 = new JButton("Dialog Box");

    private MyDialog dlg = new MyDialog(null);

    public void init() {
        b1.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                dlg.show();
            }
        });
        getContentPane().add(b1);
    }

    public static void main(String[] args) {
        run(new Dialogs(), 125, 75);
    }

    public static void run(JApplet applet, int width, int height) {
        JFrame frame = new JFrame();
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.getContentPane().add(applet);
        frame.setSize(width, height);
        applet.init();
        applet.start();
        frame.setVisible(true);
    }
} ///:~