Java The Complete Reference, Seventh Edition

Chapter 24: Using AWT Controls, Layout Managers, and Menus 743

import java.applet.;
/

// Create a subclass of Dialog.
class SampleDialog extends Dialog implements ActionListener {
SampleDialog(Frame parent, String title) {
super(parent, title, false);
setLayout(new FlowLayout());
setSize(300, 200);

add(new Label("Press this button:"));

Button b;

add(b = new Button("Cancel"));

b.addActionListener(this);

}

public void actionPerformed(ActionEvent ae) {

dispose();

}

public void paint(Graphics g) {
g.drawString("This is in the dialog box", 10, 70);
}
}

// Create a subclass of Frame.
class MenuFrame extends Frame {
String msg = "";
CheckboxMenuItem debug, test;

MenuFrame(String title) {

super(title);

// create menu bar and add it to frame

MenuBar mbar = new MenuBar();

setMenuBar(mbar);

// create the menu items

Menu file = new Menu("File");

MenuItem item1, item2, item3, item4;

file.add(item1 = new MenuItem("New..."));

file.add(item2 = new MenuItem("Open..."));

file.add(item3 = new MenuItem("Close"));

file.add(new MenuItem("-"));

file.add(item4 = new MenuItem("Quit..."));

mbar.add(file);

Menu edit = new Menu("Edit");

MenuItem item5, item6, item7;

edit.add(item5 = new MenuItem("Cut"));

edit.add(item6 = new MenuItem("Copy"));