Creating and using Dialog Boxes
// : 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);
}
} ///:~
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