import java.awt.*;
import java.awt.event.*;
import java.applet.*;
/**
 *  A simple grid guessing game
 */
public class GridGuess extends Applet implements ActionListener
{
    final static int MAXTRIES = 5;
    private Button[][] ButtonGrid = new Button[5][5];
    private Panel p;
    private Label NameLabel;
    private int RowHideSpot, ColHideSpot;
    
    public void init() {
     setLayout(new BorderLayout());    
     p = new Panel();
     p.setLayout(new GridLayout(5,5));
     for(int r=0;r<5;r++)
      for(int c=0;c<5;c++) {
                ButtonGrid[r][c] = new Button("");
                ButtonGrid[r][c].setBackground(Color.WHITE);
                ButtonGrid[r][c].addActionListener(this);
                p.add(ButtonGrid[r][c]);
      }
     add(p,BorderLayout.CENTER);
     
     // Create label at the bottom
     NameLabel = new Label();
     add(NameLabel,BorderLayout.SOUTH);
        // Randomly select the solution
        RowHideSpot = (int) (4  * Math.random() );
        ColHideSpot = (int) (4  * Math.random() );
        NameLabel.setText("" + RowHideSpot  + " " + ColHideSpot);                                
    }

    public void actionPerformed(ActionEvent e) {
        Button b = (Button)e.getSource();
        // Determine which button was pressed by 
        // comparing all of them against the one who fired the event
        for(int r=0; r <5; r++)
         for(int c=0;c <5; c++)
          {
               // if this button fired the event, see if it's correct
               if (b == ButtonGrid[r][c]){
                    b.setBackground(Color.BLUE);
                    if (r == RowHideSpot && c == ColHideSpot)
                    {
                    NameLabel.setText("CORRECT!");
                    b.setBackground(Color.GREEN);
                    }
                    else
                        NameLabel.setText("Nope.");                 
              }
         }
    }
    public void ErrorFound(String s) {
        NameLabel.setText("Fatal error, " +
                          "game terminated: " + s);
    }
}