import java.util.Calendar;
import java.util.Date;
import com.nttdocomo.ui.*;
import com.nttdocomo.util.Timer;
import com.nttdocomo.util.TimerListener;

public class Watch extends IApplication
                   implements SoftKeyListener,ComponentListener,TimerListener
{
	/*   ---   Field   ---   */

	private Panel panel;
	private Label now;
	private Button button;
	private TextBox snapshot;

	private Timer timer;

	/*   ---   Constructor   ---   */

	public Watch()
	{
	}

	/*   ---   開始   ---   */

	public void start()
	{
		panel=new Panel();
		panel.add(now=new Label("",Label.CENTER));
		panel.add(button=new Button("計測"));
		panel.add(snapshot=new TextBox("",10,1,TextBox.DISPLAY_ANY));
		panel.setSoftLabel(Panel.SOFT_KEY_1,"終了");
		panel.setSoftKeyListener(this);
		panel.setComponentListener(this);
		Display.setCurrent(panel);
		
		timer=new Timer();
		timer.setListener(this);
		timer.setRepeat(true);
		timer.setTime(500);
		timer.start();
	}

	/*   ---   定期処理   ---   */

	public void timerExpired(Timer source)
	{
		now.setText(getTime());
	}

	private String getTime()
	{
		Calendar calendar;
		String time;
	
		calendar=Calendar.getInstance();
		calendar.setTime(new Date());
		time=calendar.get(Calendar.HOUR_OF_DAY)+":";
		time=time+(calendar.get(Calendar.MINUTE)<10 ? "0" : "");
		time=time+calendar.get(Calendar.MINUTE)+":";
		time=time+(calendar.get(Calendar.SECOND)<10 ? "0" : "");
		time=time+calendar.get(Calendar.SECOND);
		return time;
	}

	/*   ---   イベント   ---   */

	public void componentAction(Component source,int type,int param)
	{
		if (source==button && type==ComponentListener.BUTTON_PRESSED)
		{
			snapshot.setText(getTime());
		}
	}

	public void softKeyPressed(int softKey)
	{
		if (softKey==Frame.SOFT_KEY_1)
		{
			timer.stop();
			timer.dispose();
			
			terminate();
		}
	}

	public void softKeyReleased(int softKey) {}
}