import java.awt.*;
import java.awt.event.*;

public class Tallies extends java.applet.Applet implements ActionListener
{
    TextField mQuery,mAnsStu, mAnsFac, mAnsSta, mTotal;
    Button bStudents,bFaculty,bStaff;
    int noStu=0, noFac=0, noSta=0, noTotal=0;

    public void init ()
    {
	mQuery = new TextField(80);
  	mQuery.setText("Keep track of attendance by pushing the buttons.");
  	bStudents = new Button("Students");
  	bFaculty = new Button("Faculty");
  	bStaff = new Button("Staff");
  	mAnsStu = new TextField(12);
  	mAnsFac = new TextField(12);
  	mAnsSta = new TextField(12);
  	mTotal = new TextField(80);
        bStudents.addActionListener(this);
        bFaculty.addActionListener(this);
        bStaff.addActionListener(this);
  	add(mQuery) ;
  	add(bStudents) ;
  	add(bFaculty) ;
  	add(bStaff) ;
  	add(mTotal) ;
  	add(mAnsStu) ;
  	add(mAnsFac) ;
  	add(mAnsSta) ;
	mTotal.setText("The total attendance is " + noTotal + 
		"   Subtotals are shown below.");
	mAnsStu.setText(noStu + " students");
	mAnsFac.setText(noFac + " faculty");
	mAnsSta.setText(noSta + " staff");
    }

    public void actionPerformed(ActionEvent event)
    {
	Object cause = event.getSource();
        if (cause == bStudents)
        {
	    noStu = noStu + 1;
	    noTotal = noTotal + 1;
	    mTotal.setText("The total attendance is " + noTotal + 
		"   Subtotals are shown below.");
	    mAnsStu.setText(noStu + " students");
        }
        if (cause == bFaculty)
        {
	    noFac = noFac + 1;
	    noTotal = noTotal + 1;
	    mTotal.setText("The total attendance is " + noTotal + 
		"   Subtotals are shown below.");
	    mAnsFac.setText(noFac + " faculty");
        }
        if (cause == bStaff)
        {
	    noSta = noSta + 1;
	    noTotal = noTotal + 1;
	    mTotal.setText("The total attendance is " + noTotal + 
		"   Subtotals are shown below.");
	    mAnsSta.setText(noSta + " staff");
        }
    }	
}