/* Copyright 2001 Michael R. Wick */

package Controls;

import java.awt.*;
import java.awt.event.*;
import java.util.Vector;
import Scopes.*;

public class KaleidoscopeControl extends Panel
                                 implements Runnable {
  Vector theScopes;

  boolean
    inAutoMode;

  Button
    turnButton,
    runButton,
    stopButton;

  Thread
    animator;
  
  public KaleidoscopeControl(Kaleidoscope kal) {
    theScopes = new Vector();
    theScopes.addElement(kal);

    setLayout( new FlowLayout() );
    setBackground( Color.lightGray );

    turnButton = new Button("Turn");
    runButton = new Button("Run");
    stopButton = new Button("Stop");

    add(turnButton);
    add(runButton);
    add(stopButton);

    turnButton.addActionListener(new ActionListener(){
      public void actionPerformed(ActionEvent e){
        for(int i =0; i < theScopes.size(); i++){
          ((Kaleidoscope)(theScopes.elementAt(i))).turn();
        }
      } });

    stopButton.addActionListener(new ActionListener(){
      public void actionPerformed(ActionEvent e){
        stop();
      } } );

    runButton.addActionListener(new ActionListener(){
      public void actionPerformed(ActionEvent e){
        start();
      } } );

    inAutoMode = false;
  }
  public void start(){
    animator = new Thread(this);
    inAutoMode = true;
    animator.start();
  }

  public void stop(){
    if (animator != null){
      animator.stop();
    }
  }

  public void register( Kaleidoscope k ){
    theScopes.addElement(k);
  }

  public void run(){
     while (inAutoMode){
      for(int i = 0; i < theScopes.size(); i++){
        ((Kaleidoscope)(theScopes.elementAt(i))).turn();
      }
      try{
        animator.sleep(500);
      }
      catch (Exception e){
        e.printStackTrace();
        System.exit(0);
      }
    }
  }

}