/*
 * MyClock.java
 *
 * Created on 19 décembre 2006, 08:37
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package ClockAndCalendar;

import java.awt.Color;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.text.SimpleDateFormat;
import java.util.Date;
import javax.swing.JComponent;

/**
 *
 * @author masy2
 */
public class Clock2 extends JComponent implements Runnable, MouseListener, ClockListener {
    
    private SimpleDateFormat hour;
    private volatile Thread t = null;
    private ClockListener delegate;
    private boolean isStopped, wasSet=false; 
    private String sHour=null;
    private long time = -1;
    
    /** Creates a new instance of MyClock */
    public Clock2() {
        hour = new SimpleDateFormat("HH:mm:ss");
        addMouseListener(this);
        isStopped = false;
    }
    
     public void start()
    {
        t = new Thread(this);
        if(time == -1) time = System.currentTimeMillis();
        if(!wasSet) time = time + (System.currentTimeMillis() - time);
        else
        {
            System.out.println("L'heure a été changé");
            wasSet=false;
        }
        t.start();
        
    }
    
    public void setTime(long newtime)
    {
        System.out.println("plop");
        this.stop();
        time = newtime;
        wasSet=true;
        this.start();
    }
    
    public void resetTime()
    {
        this.stop();
        time = -1;
        this.start();
    }
    
    public void stop()
    {   
        t=null;
    }
    
   public void paint(Graphics g)
    {
        Graphics2D g2d = (Graphics2D)g.create();
        RenderingHints qualityHints = new RenderingHints(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        g2d.setRenderingHints(qualityHints);
        
        if(!isStopped)
        {
            Date date = new Date(this.time);
            sHour = new String("" + hour.format(date));
        }   
        
        Font fnt = new Font("Serif", Font.BOLD, 22);
        FontMetrics fm = getFontMetrics(fnt);
        
        setBackground(Color.BLACK);
        g2d.setColor(Color.GRAY);
        g2d.setFont(fnt);
        
        int y = (getHeight()-fm.getHeight())/2 + fm.getAscent();
        g2d.drawString(sHour,(int)((getWidth()-fm.stringWidth(sHour))/2),y);
    }

    public void run(){
       try
        {
           while(t == Thread.currentThread())
            {
                t.sleep(1000);
                time += 1000;
                repaint();
            }
       }
        catch(InterruptedException e)
        {
            e.printStackTrace();
        }         
    }
    
    public void setDelegate(ClockListener l)
    {
        this.delegate = l;
    }

    public void mouseClicked(MouseEvent mouseEvent) {
        if(isStopped)
        {
            if(delegate != null)
            {
                delegate.clockStarted(this);
            }
        }
        else
        {
            if(delegate != null)
            {
                delegate.clockStopped(this);
            }
        }
    }

    public void mousePressed(MouseEvent mouseEvent) {
    }

    public void mouseReleased(MouseEvent mouseEvent) {
    }

    public void mouseEntered(MouseEvent mouseEvent) {
    }

    public void mouseExited(MouseEvent mouseEvent) {
    }

    public void clockStarted(Clock2 clk) {
        this.isStopped = false;
        this.start();
    }

    public void clockStopped(Clock2 clk) {
        this.isStopped = true;
        this.stop();
    }    
}