menuoverview.java

来自「java编程开发技巧与实例的编译测试通过的所有例程」· Java 代码 · 共 61 行

import java.awt.event.*;
import javax.swing.*;

public class MenuOverview extends JFrame implements ActionListener
{
	JMenuItem fileOpen	=	new JMenuItem("Open", new ImageIcon("./Icons/open.gif"));
	JMenuItem fileSave	=	new JMenuItem("Save", new ImageIcon("./Icons/save.gif"));
	JMenuItem fileExit	=	new JMenuItem("Exit", new ImageIcon("./Icons/exit.gif"));
	
	JCheckBoxMenuItem		toolView		=	new JCheckBoxMenuItem("View Tools");
	JRadioButtonMenuItem	toolConverts	=	new JRadioButtonMenuItem("Convert Hyperlinks");
	JRadioButtonMenuItem	toolDisplays	=	new JRadioButtonMenuItem("Display Hyperlinks", true);
	JLabel status	=	new JLabel("This is a status bar to show the events");
	
	public MenuOverview()
	{
		super("Menu Overview");
		JMenu file	=	new JMenu("File");
		JMenu tools	=	new JMenu("Tools");
		file.add("fileOpen");
		fileOpen.addActionListener(this);
		file.add("fileSave");
		fileSave.addActionListener(this);
		file.add(new JSeparator());
		file.add(fileExit);
		fileExit.addActionListener(this);
		tools.add(toolView);
		toolView.addActionListener(this);
		JMenu toolLinks	=	new JMenu("Links . . .");
		toolLinks.add(toolConverts);
		toolConverts.addActionListener(this);
		toolLinks.add(toolDisplays);
		toolDisplays.addActionListener(this);
		tools.add(toolLinks);
		JMenuBar menu	=	new JMenuBar();
		menu.add(file);
		menu.add(tools);
		getContentPane().add(status);
		setJMenuBar(menu);
		validate();
		pack();
		setSize(700, 300);
		setLocationRelativeTo(null);
		setVisible(true);
	}
	public void actionPerformed(ActionEvent ae)
	{
		if (ae.getSource() == fileExit)
			System.exit(0);
		else
			status.setText("Command: " + ae.getActionCommand());
	}
	public static void main(String args[])
	{
		MenuOverview mo	=	new MenuOverview();
		mo.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	}
	
	
}