/* Copyright 1996 Rujith de Silva.
   This code is in the public domain. */
package NET.industry.pento;
import java.awt.*;
import java.util.*;
import NET.industry.util.*;
import NET.industry.pento.*;
import NET.industry.pento.Piece;
import NET.industry.pento.BoardPiece;
import NET.industry.pento.Board;

public class BoardControls extends Frame implements BoardChange
{
    private CheckboxGroup cbg;
    private Checkbox cb3;
    private Checkbox cb4;
    private Checkbox cb5;
    private Checkbox cb6;
    private Button quit;
    private Panel buttons;
    private Panel cbs;
    private Board board;
    public boolean boardHere = true;
    private BorderLayout bl = new BorderLayout ();
    private BorderLayout buttonsBl = new BorderLayout ();

    public BoardControls ()
    {
        super ("Pentominoes");
        setBackground (Color.lightGray);
        cbg = new CheckboxGroup ();
        cb3 = new Checkbox ("3", cbg, false);
        cb4 = new Checkbox ("4", cbg, false);
        cb5 = new Checkbox ("5", cbg, false);
        cb6 = new Checkbox ("6", cbg, true);
        quit = new Button ("Quit");
        buttons = new Panel ();
        buttons.setLayout (buttonsBl);
        cbs = new Panel ();
        setLayout (bl);
        cbs.setLayout (new GridLayout (4, 2));
        cbs.add (cb3);
        cbs.add (cb4);
        cbs.add (cb5);
        cbs.add (cb6);
        cbs.layout ();
        buttons.add ("West", new Label ("Height: "));
        buttons.add ("East", cbs);
        buttons.add ("South", quit);
        buttons.layout ();
        add ("North", buttons);
        board = new Board (this);
        add ("South", board);
        resize (370, 520);
    }

    public void boardChanged ()
    {
        switch (board.getBoardStatus ())
        {
        case 1:
            setCursor (Frame.MOVE_CURSOR);
            break;
        case 2:
            setCursor (Frame.HAND_CURSOR);
            break;
        default:
            setCursor (Frame.DEFAULT_CURSOR);
            break;
        }
    }

    public boolean action (Event evt, Object arg)
    {
        if (evt.target == quit)
        {
            boardHere = false;
            dispose ();
        }
        else if (evt.target == cb3)
            board.setHeight (3);
        else if (evt.target == cb4)
            board.setHeight (4);
        else if (evt.target == cb5)
            board.setHeight (5);
        else if (evt.target == cb6)
            board.setHeight (6);
        else
            return false;
        return true;
    }

    public Dimension preferredSize ()
    {
        return bl.minimumLayoutSize (this);
    }

    public Dimension minimumSize ()
    {
        return preferredSize ();
    }
}