/*----------------------------------------------------------------------*/
/*  SimpleApplet - a simple applet that uses Rotator                    */
/*----------------------------------------------------------------------*/
/*            Jim Morey  -  morey@math.ubc.ca  -  May, 1996             */
/*----------------------------------------------------------------------*/

import java.io.*;
import java.applet.*;
import java.awt.*;
import java.net.*;
import java.lang.*;
import Rotator;
import Board;
import Vertex;

/*----------------------------------------------------------------------*/
public class SimpleApplet extends Applet {
  Rotator rotator;
  Checkbox rotate,black,white,empty;
  Button spin;
  URL    here;
  int     H,W,size;

  /* -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  - */
  public void init() {
    setLayout(new BorderLayout(0,0));
    setBackground(Color.white); 
    String image = getParameter("image");
    try{
      size = Integer.parseInt(getParameter("size"));
    } catch(Exception e) { size = 3; }

    here = this.getDocumentBase();
    Image gif=null;
    MediaTracker tracker;
    tracker = new MediaTracker(this);

    try {
      gif = getImage(new URL(here,image));
      tracker.addImage(gif, 0);
    } catch (MalformedURLException e){
      System.out.println("MalformedURLException --config!");
    } catch (IOException e){
      System.out.println("IOException --config!");
    }

    /* .. get solid info .. */
    W =size().width; 
    H =size().height-40;
 
    Board board = new Board(size,W,H);

    try {
      tracker.waitForID(0);
      tracker.waitForID(1);
    } catch (InterruptedException e) { }

    rotator= new Rotator(this,board,W,H,gif);
    rotator.start(); 
    rotator.background = new Color(255,200,200);
    add("Center",rotator);
    
    Panel check = new Panel();
   
    check.add(spin = new Button("spin"));
    CheckboxGroup colour = new CheckboxGroup(); 
    check.add(black = new Checkbox("black",colour,true));
    check.add(white = new Checkbox("white",colour,false));
    check.add(empty = new Checkbox("empty",colour,false));

    add("South",check);
    show();
  }

 /*  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  */
  public boolean handleEvent (Event evt){
    switch (evt.id){
      case Event.ACTION_EVENT:
        if (evt.target == spin){
          if (!rotator.spin){
            rotator.spin = true;
            rotator.start();
          }
          return true;
        } else if (evt.target == black){
          rotator.stone=Vertex.PTR_BLACK;
          return true;
        } else if (evt.target == white){
          rotator.stone=Vertex.PTR_WHITE;
          return true;
        } else if (evt.target == empty){
          rotator.stone=Vertex.PTR_EMPTY;
          return true;
        } else return false;
      default :
        return false;
    }
  }

  /* -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  - */
  public void stop(){
    rotator.stop();
  }
 
  /* -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  -  - */
  public void start(){
    rotator.start();
  }

}