/* Timer GUI by Chuck Liang, Hofstra University Computer Science.

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

/* gui *********************** */
class mywindow extends JFrame implements ActionListener
{
  
  private final int BSIZE = 100;
  private final int WGAP = 20;

  private Container pane;    
  private JTextField m0;  // pair of minute and second windows
  private JTextField m1;
  private JTextField s0;
  private JTextField s1;
  private JButton resetB;
  private JButton startB;
  private JButton stopB;
  private JButton reverseB;
  private JLabel colonL;    // label for colon
   
  public timer thetimer;  // instance of student-defined class

  public void actionPerformed(ActionEvent e) // event handler
     {
      if (e.getSource() == startB) starthandler(); 
      if (e.getSource() == resetB) resethandler();
     }

    void starthandler()
     {
       int tm1, tm0, ts1, ts0;
       tm1 = Integer.parseInt(m1.getText());
       tm0 = Integer.parseInt(m0.getText());
       ts1 = Integer.parseInt(s1.getText());
       ts0 = Integer.parseInt(s0.getText());
       thetimer = new timer(tm1,tm0,ts1,ts0,this);
       thetimer.start();
     }

    
    public void resethandler()
     { ((timer)thetimer).reset();
     }
    

    public mywindow()
     { 
        setBounds(100,100,BSIZE*4+WGAP*6,2*BSIZE+BSIZE);
        m1 = new JTextField("0",4);
        m1.setBounds(WGAP,WGAP,BSIZE,BSIZE);
        m0 = new JTextField("0",4);
        m0.setBounds((WGAP*2+BSIZE),WGAP,BSIZE,BSIZE);
 
        colonL = new JLabel(":");
        colonL.setBounds((WGAP*3)+BSIZE+BSIZE,WGAP,WGAP,BSIZE);  
        colonL.setFont(new Font("Serif",Font.BOLD,24));
        colonL.setHorizontalAlignment(JTextField.CENTER);

        s1 = new JTextField("0",4);
        s1.setBounds((WGAP*4)+BSIZE+BSIZE,WGAP,BSIZE,BSIZE);
        s0 = new JTextField("0",4);
        s0.setBounds((WGAP*5)+BSIZE+BSIZE+BSIZE,WGAP,BSIZE,BSIZE);
        m1.setFont(new Font("Serif",Font.BOLD,BSIZE-2));
        m0.setFont(new Font("Serif",Font.BOLD,BSIZE-2));
        s1.setFont(new Font("Serif",Font.BOLD,BSIZE-2));
        s0.setFont(new Font("Serif",Font.BOLD,BSIZE-2));
        s0.setHorizontalAlignment(JTextField.CENTER);
        m0.setHorizontalAlignment(JTextField.CENTER);
        s1.setHorizontalAlignment(JTextField.CENTER);
        m1.setHorizontalAlignment(JTextField.CENTER);
	startB = new JButton("Start");
	startB.setBounds(2*WGAP,WGAP*2+BSIZE,6*BSIZE/3,BSIZE/2);
	resetB = new JButton("Reset");
	resetB.setBounds(WGAP*4+(6*BSIZE/3),WGAP*2+BSIZE,6*BSIZE/3,BSIZE/2);
	//	stopB = new JButton("Stop");
	//	stopB->setGeometry(WGAP*3+(6*BSIZE/3),WGAP*2+BSIZE,4*BSIZE/3,BSIZE/2);


       pane = getContentPane();
       pane.setLayout(null);
       pane.add(m0);  pane.add(s0);
       pane.add(colonL);
       pane.add(m1);  pane.add(s1);
       pane.add(startB);
       pane.add(resetB);
       startB.addActionListener(this);
       resetB.addActionListener(this);
     } // end of constructor


    public void displayUpdate(int mm1, int mm0 ,int ss1 ,int ss0)
    {
	m1.setText(""+mm1);
	m0.setText(""+mm0);
	s1.setText(""+ss1);
	s0.setText(""+ss0);
	repaint();
	//	paint(getGraphics());
    }

    public void delay(int ms)
    {
	try
	    {
		Thread.sleep(ms);
	    }
	catch (Exception DE) {}
    }

 }  // end of class mywindow

public class timergui
{
  public static void main(String[] args)
    {
      mywindow s = new mywindow();
      s.setVisible(true);
      s.addWindowListener(new WindowAdapter() {
	  public void windowClosing(WindowEvent e) {System.exit(0);} });
    } // end main
}// timergui