/* Copyright (C) 2002 J. M. Spivey */

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

public class Turmites extends DemoFrame {
    private Machine machine = new Machine();
    private Arena arena = new Arena(machine);
    private Panel buttons = new Panel();
    private Editor editor = null;
    private Loader loader = null;
    private int delay;
    
    public Turmites() {
        super("Turmites");   
        setLocation(300,0);
        loader = new Loader(this);
        loader.setLocation(200,200);

        addButton("Load", new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                loader.setVisible(true);
            }
        });
        addButton("Play", new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                arena.play();
            }
        });
        addButton("Slow", new ActionListener() {
            public void actionPerformed(ActionEvent e) { start(100); }
        });
        addButton("Medium", new ActionListener() {
            public void actionPerformed(ActionEvent e) { start(30); }
        });
        addButton("Fast", new ActionListener() {
            public void actionPerformed(ActionEvent e) { start(0); }
        });
        addButton("Stop", new ActionListener() {
            public void actionPerformed(ActionEvent e) { stop(); }
        });
        addButton("Clear", new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                stop();
                arena.clear();
            }
        });
        addButton("Zoom Out", new ActionListener() {
            public void actionPerformed(ActionEvent e) { zoomOut(); }
        });
        addButton("Zoom In", new ActionListener() {
            public void actionPerformed(ActionEvent e) { zoomIn(); }
        });
        addButton("Edit", new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                if (editor == null) {
                    editor = new Editor(machine, loader);
                    editor.addWindowListener(new WindowAdapter() {
                        public void windowClosing(WindowEvent e) {
                            editor.setVisible(false);
                        }
                    });
                    editor.setLocation(300,100);
                }
                editor.setVisible(true);
            }
        });
        addButton("Quit", new ActionListener() {
            public void actionPerformed(ActionEvent e) { die(); }
        });
        
        add(arena, "Center");
        add(buttons, "South");
        pack();
        
        machine.setup(loader.defaultDesc());
    }
    
    private void addButton(String label, ActionListener action) {
        Button b = new Button(label);
        if (action != null) b.addActionListener(action);
        buttons.add(b);
    }
    
    public void load(String desc) {
        machine.setup(desc);
        if (editor != null) editor.reload();
    }
    
    private void zoomOut() {
        int scale = arena.getScale();
        if (scale > 1) arena.setScale(scale/2);
    }

    private void zoomIn() {
        int scale = arena.getScale();
        if (scale < arena.MAXSCALE) arena.setScale(scale*2);
    }
    
    private Thread runThread;
    
    private class RunThread extends Thread {
        public void run() {
            int counter = 0;
            while (runThread == this) {
                arena.play();
                try { 
                    if (delay > 0) 
                        sleep(delay); 
                    else if (counter++ % 257 == 0) 
                        sleep(0,1); 
                } catch (InterruptedException e) {}
            }
        }
    }
    
    public void start(int delay) {
        this.delay = delay;
        if (runThread == null) {
            runThread = new RunThread();
            runThread.start();
        }
    }
    
    public void stop() {
        runThread = null;
    }

    public void die() {
        if (editor != null) editor.dispose();
        super.die();
    }

    public static void main(String args[]) {
        Turmites app = new Turmites();
        app.setVisible(true);
    }
}