/* Copyright 2002 Rujith de Silva.
   First written in 1996, source-file lost and re-created based on the
   class file.
   Modified 2002-04-04.
   */

package rujith.pentominoes;

import java.applet.Applet;
import java.awt.Button;
import java.awt.Event;
import java.awt.FlowLayout;
import java.awt.Label;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

/**
 * Applet to start off the pentominoes BoardControls.
 */
public class PentoStart extends Applet {
    private BoardControls f;
    private Button restart;

    /**
     * Initialize the applet.
     */
    public void init() {
        this.setLayout(new FlowLayout());
        this.restart = new Button("Restart");
        this.restart.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                PentoStart.this.startFrame();
            }
        });
        this.add(new Label("Pentominoes"));
        this.add(this.restart);
        this.resize(200,100);
    }

    // Restart the BoardControls if it had been closed.
    private void startFrame() {
        if (this.f != null) {
            // Get rid of the old BoardControls.
            if (! this.f.boardHere) {
                this.f.hide();
                this.f = null;
            }
        }

        // Start a new BoardControls going if necessary
        if (this.f == null) {
            this.f = new BoardControls();
            this.f.show();
        }
    }

    /**
     * Start the applet going.
     */
    public void start() { this.startFrame(); }
}