package Views;

/*
 * SWView.java
 * This file implements a countdown timer view of a stopwatch2
 * Created on February 9, 2002
 *
 * @author  Stuart Hansen
 * @version
 */

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

// The TimerDisplay has a count down timer that flashes when it
// reaches 0
public class TimerDisplay extends SWView {

    long time;               // the duration of the timer
    JTextField display;      // where the timer is being displayed

    // The constructor
    public TimerDisplay (long seconds) {
        super("Count Down Timer");

	// time is in tenths of seconds
	time = 10*seconds;
        display = new JTextField("00:00");
	display.setEditable(false);
	setDisplayTime(0);
        display.setBounds(110, 25, 45, 30);
        getContentPane().add(display);
        setSize(300, 100);
        show();
    }

    // setDisplayTime has to translate the parameter to a string
    // and place it in the textField
    protected void setDisplayTime (long timeArg) {
        long displayTime = time - timeArg;

	// If there is still time, display how much is remaining
        if (displayTime >= 0) {
            getContentPane().setBackground(Color.lightGray);
            String minutes = Long.toString((displayTime/600)%60);
            if ((displayTime/600)%60 < 10) minutes = "0"+ minutes;
            
            String seconds = Long.toString((displayTime/10%60));
            if ((displayTime/10%60) < 10) seconds = "0" + seconds;
            
            display.setText( minutes + ":" + seconds);
        }

	// If the time has expired, flash Green and Gold
    	if (displayTime <= 0) {
            if ((displayTime % 20) == 0){
	        getContentPane().setBackground(new Color(0, 125, 0));
            }
            else if ((displayTime % 10) == 0) {
                getContentPane().setBackground(Color.yellow);
            }   
	}
    }
}