simplemenus.java

来自「java编程思想的源码,11-16,和上次上传的1-10的源码是一块的,希望大家」· Java 代码 · 共 45 行

//: c14:SimpleMenus.java
// <applet code=SimpleMenus width=200 height=75></applet>
// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
// www.BruceEckel.com. See copyright notice in CopyRight.txt.
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
import com.bruceeckel.swing.*;

public class SimpleMenus extends JApplet {
  private JTextField t = new JTextField(15);
  private ActionListener al = new ActionListener() {
    public void actionPerformed(ActionEvent e) {
      t.setText(((JMenuItem)e.getSource()).getText());
    }
  };
  private JMenu[] menus = {
    new JMenu("Winken"), new JMenu("Blinken"),
    new JMenu("Nod")
  };
  private JMenuItem[] items = {
    new JMenuItem("Fee"), new JMenuItem("Fi"),
    new JMenuItem("Fo"),  new JMenuItem("Zip"),
    new JMenuItem("Zap"), new JMenuItem("Zot"),
    new JMenuItem("Olly"), new JMenuItem("Oxen"),
    new JMenuItem("Free")
  };
  public void init() {
    for(int i = 0; i < items.length; i++) {
      items[i].addActionListener(al);
      menus[i % 3].add(items[i]);
    }
    JMenuBar mb = new JMenuBar();
    for(int i = 0; i < menus.length; i++)
      mb.add(menus[i]);
    setJMenuBar(mb);
    Container cp = getContentPane();
    cp.setLayout(new FlowLayout());
    cp.add(t);
  }
  public static void main(String[] args) {
    Console.run(new SimpleMenus(), 200, 75);
  }
} ///:~