// Represents a display panel for a Craps table

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

public class DisplayPanel extends JPanel
{
  private JTextField wonText, lostText, pointText;
  private int wonCount, lostCount;

  // Constructor
  public DisplayPanel()
  {
    super(new GridLayout(2, 3, 10, 0));
    setBorder(new EmptyBorder(0, 0, 5, 0));

    add(new JLabel("    Won:"));
    add(new JLabel("    Lost:"));
    add(new JLabel("    Point:"));

    Font displayFont = new Font("Monospaced", Font.BOLD, 16);

    wonText = new JTextField("  0", 5);
    wonText.setFont(displayFont);
    wonText.setEditable(false);
    wonText.setBackground(Color.WHITE);
    add(wonText);

    lostText = new JTextField("  0", 5);
    lostText.setFont(displayFont);
    lostText.setEditable(false);
    lostText.setBackground(Color.WHITE);
    add(lostText);

    pointText = new JTextField(5);
    pointText.setFont(displayFont);
    pointText.setEditable(false);
    pointText.setBackground(Color.DARK_GRAY);
    add(pointText);
  }

  // Updates this display, based on the result and
  // "point" in the previous roll
  public void update(int result, int point)
  {
    if (result > 0)
    {
      wonCount++;
      wonText.setText("  " + wonCount);
      pointText.setText("");
      pointText.setBackground(Color.DARK_GRAY);
    }
    else if (result < 0)
    {
      lostCount++;
      lostText.setText("  " + lostCount);
      pointText.setText("");
      pointText.setBackground(Color.DARK_GRAY);
    }
    else
    {
      pointText.setText("  " + point);
      pointText.setBackground(Color.YELLOW);
    }
  }
}