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jugyo on 10/14/06

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Last Edited at 10/14/06 06:09pm

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SimpleTimer.java

/ Published in: Java

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import java.awt.*;
import java.awt.event.*;
import java.text.SimpleDateFormat;
import java.util.*;
import java.util.Timer;
import javax.swing.*;

/**
 * ã‚·ãƒ³ãƒ—ãƒ«ãªã‚¿ã‚¤ãƒžãƒ¼
 */
public class SimpleTimer extends JWindow {

/**
	 * ãƒ¡ã‚¤ãƒ³é–¢æ•°
	 */
	public static void main(String[] args) {

SimpleTimer simpleTimer = new SimpleTimer();
		simpleTimer.pack();
		simpleTimer.setAlwaysOnTop(true);
		simpleTimer.setVisible(true);
	}

private Long startTimeMillis;

private JLabel label;

private SimpleDateFormat dateFormat;

private Timer timer;

/**
	 * ã‚³ãƒ³ã‚¹ãƒˆãƒ©ã‚¯ã‚¿
	 */
	public SimpleTimer() {

initDateFormat();
		initConponents();
		resetTime();
		updateLabelText();
		startTimer();
	}

/**
	 * DateFormatã®åˆæœŸåŒ–
	 */
	private void initDateFormat() {

dateFormat = new SimpleDateFormat("HH:mm:ss");
		dateFormat.setTimeZone(TimeZone.getTimeZone("GMT"));
	}

/**
	 * GUIã‚³ãƒ³ãƒãƒ¼ãƒãƒ³ãƒˆã®åˆæœŸåŒ–
	 */
	private void initConponents() {

label = new JLabel();
		label.setFont(new Font(label.getFont().getName(), Font.BOLD, 14));
		label.setOpaque(true);
		label.setBackground(Color.black);
		label.setForeground(Color.white);
		label.setBorder(BorderFactory.createEmptyBorder(0, 2, 0, 2));
		getContentPane().add(label);

final JPopupMenu popup = new JPopupMenu();
		JMenuItem menuItem1 = new JMenuItem("Reset");
		menuItem1.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

resetTime();
			}
		});
		popup.add(menuItem1);
		JMenuItem menuItem2 = new JMenuItem("Exit");
		menuItem2.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

System.exit(0);
			}
		});
		popup.add(menuItem2);
		label.setComponentPopupMenu(popup);

label.addMouseListener(new MouseAdapter() {

@Override
			public void mouseClicked(MouseEvent e) {

if (e.getButton() == MouseEvent.BUTTON2
						&& e.getClickCount() == 1) {
					popup.setVisible(true);
				}
			}
		});
	}

/**
	 * ãƒªã‚»ãƒƒãƒˆ
	 */
	private void resetTime() {

startTimeMillis = Calendar.getInstance().getTimeInMillis();
	}

SwingUtilities.invokeLater(new Runnable() {

public void run() {

long elapsedTime = Calendar.getInstance().getTimeInMillis()
						- startTimeMillis;

Date date = new Date(elapsedTime);

label.setText(dateFormat.format(date));
			}
		});
	}

/**
	 * ã‚¿ã‚¤ãƒžãƒ¼é–‹å§‹
	 */
	private void startTimer() {

timer = new Timer();
		timer.schedule(new TimerTask() {

@Override
			public void run() {

updateLabelText();

}
		}, 0, 1000);
	}
}

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