Creating and using Dialog Boxes : Dialog « Swing JFC « Java





Creating and using Dialog Boxes

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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