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

/**
 * Title: GameControls</p>
 *
 * Description: A game control panel for Pancet, a game applet.
 * It displays game response messages and allows user input.</p>
 *
 * Copyright: Copyright (c) 2004<p>
 *
 * @author Mark Bondurant
 * @version 3.0
 */

class GameControls extends Panel {
    private Label responseMsg, libMoveCnt;
    private Button buttonC, buttonD;
    private GridLayout controlLayout;

   /**
    * This sets up the control panel using a simple grid layout, it
    * adds two message displays, one for the move library stored
    * move count and one for game response, and two buttons that
    * allow users to choose one of their bowls to move.
    */
    GameControls(int m) {
        controlLayout = new GridLayout(0, 1);
        controlLayout.setVgap(10);
        setLayout(controlLayout);
        setBackground(Color.white);

        libMoveCnt = new Label("Stored moves: " + m, Label.CENTER);
        libMoveCnt.setFont(new Font("Helvetica", Font.PLAIN, 16));
        libMoveCnt.setBackground(Color.white);
        add(libMoveCnt);

        responseMsg = new Label("Your Move", Label.CENTER);
        responseMsg.setFont(new Font("Helvetica", Font.BOLD, 22));
        responseMsg.setBackground(Color.white);
        add(responseMsg);

        buttonC = new Button("Bowl C");
        buttonC.setFont(new Font("Helvetica", Font.PLAIN, 16));
        add(buttonC);

        buttonD = new Button("Bowl D");
        buttonD.setFont(new Font("Helvetica", Font.PLAIN, 16));
        add(buttonD);
    }

   /**
    * This is used to connect the action event response to the
    * root class Pancet.
    */
    void connectControls(Pancet b) {
        buttonC.addActionListener(b);
        buttonD.addActionListener(b);
    }

   /**
    * This puts a game response message up for the user to see.
    */
    void setMessage(String m) {
        responseMsg.setText(m);
    }

   /**
    * This displays the stored moves count so the user can see some
    * indication of the move tree in action.
    */
    void setStoredMoves(int m) {
        libMoveCnt.setText("Stored moves: " + m);
    }
}