import java.awt.*;
import javax.swing.*;
import java.util.*;
import java.awt.event.*;

/**
 * Title:        spider - SpiderBox
 * Description:  Projekt zur Einfuehrung der Objektorientierten Programmierung
 * Copyright:    Copyright (c) 2003
 * Company:      MezMedia
 * @author Oliver Mezger
 * @version 4.1
 */

public class SpiderBox extends JFrame {
  
  MyPanel mPan = new MyPanel();
 
  public SpiderBox() {
    getContentPane().add(mPan);
    addWindowListener(new WindowAdapter(){  // Objekt soll beendet werden kšnnen
       public void windowClosing(WindowEvent e) {
         System.exit(0);
       }
    }); 
  }  
}

class MyPanel extends JPanel implements Runnable {
  private Vector scene;
  private long clk = 0;
  private long uptim = 0;
  private boolean morelive = false;
  JLabel versi = new JLabel("Spider 4.1 (c) MezMedia");
  JButton exit = new JButton("Exit");
  
  public MyPanel(){
    setBackground(Color.yellow);
    setLayout(new FlowLayout());
    add(versi);
    add(exit);
    exit.addMouseListener(new java.awt.event.MouseAdapter() {
      public void mouseClicked(MouseEvent e) {
        System.exit(0);
      }
    });
    addMouseListener(new java.awt.event.MouseAdapter() {
      public void mousePressed(MouseEvent e) {
        canvas_mousePressed(e);
      }
    });
    scene = new Vector();
    scene.addElement(new Spider(100,100,40,0.5,0.5));
    scene.addElement( new Spider(200,200,40,0.5,0.5));
    Thread liveDaemon = new Thread(this);
    liveDaemon.start();
  }
  public void paintComponent(Graphics g)  {
    super.paintComponent(g);
    Enumeration enum = scene.elements();
    while (enum.hasMoreElements()){
      Spider s = (Spider) enum.nextElement();
      s.malen(g);
    }
    g.drawString("Uptime: "+uptim,g.getClipBounds().width-150,30);
    if (morelive){
        scene.addElement(new Spider((int)(g.getClipBounds().width*Math.random()),
                                    (int)(g.getClipBounds().height*Math.random()),
                                    (int)(30*Math.random()+20),
                                    Math.random(),
                                    Math.random()));
        morelive=false;                            
    }
  }  
  public void canvas_mousePressed(MouseEvent e) {
    int x=e.getX();
    int y=e.getY();
    scene.addElement(new Spider(x,y,x/10,Math.random(),Math.random()));
  }
  public void run() {
    long temp; 
    while (true){  
      Enumeration enum = scene.elements();
      while (enum.hasMoreElements()){
        Spider s = (Spider) enum.nextElement();
        s.live(scene);
      }
      temp = new Date().getTime();
      if (temp > clk+1000){
        uptim++;  
        clk = temp;
        if (uptim % 20 ==0)morelive=true;
      }
      repaint();
      try {
        Thread.sleep (120);
      }
      catch (InterruptedException ex){
      }
    }  
  }
}