import java.applet.*;
import java.awt.*;
import java.net.*;

public class Beh extends Thread {

  public static int MAXX = 200, MAXY = 200, PAUSE = 5;

  Graphics g, os;
  Image offscreen;
  Applet app;
  Rotate rotate;
  Item item;

  public Beh(Applet ap) {
    app = ap;
    MAXX = new Integer(app.getParameter("MAXX")).intValue();
    MAXY = new Integer(app.getParameter("MAXY")).intValue();
//    app.resize(MAXX, MAXY);
    PAUSE = new Integer(app.getParameter("PAUSE")).intValue();

    int pocet = new Integer(app.getParameter("POC")).intValue();
    if (pocet < 1) pocet = 1;
    int rtxt = new Integer(app.getParameter("RTXT")).intValue();
    int rmax = new Integer(app.getParameter("RMAX")).intValue();
    int rmin = new Integer(app.getParameter("RMIN")).intValue();
    int color = new Integer(app.getParameter("COLOR")).intValue();
    double a = new Double(app.getParameter("A")).doubleValue();
    int w = new Integer(app.getParameter("TEXTWIDTH")).intValue();
    int tr = new Integer(app.getParameter("TXTR")).intValue();
    int tg = new Integer(app.getParameter("TXTG")).intValue();
    int tb = new Integer(app.getParameter("TXTB")).intValue();

    int i;
    for (i = 0; app.getParameter("Text"+i) != null; i ++) {}
    String []s = new String[i];
    URL []u = new URL[i];
    for (i = 0; i < s.length; i ++) {
      s[i] = app.getParameter("TEXT"+i);
    }
    for (i = 0; i < u.length; i ++) {
      try {
        u[i] = new URL(app.getDocumentBase(), app.getParameter("URL"+i));
      } catch (MalformedURLException e) {
        System.out.println("Špatná URL adresa: " + u[i]);
      } 
    }


    g = app.getGraphics();
    offscreen = app.createImage(MAXX, MAXY);
    os = offscreen.getGraphics();
    rotate = new Rotate(pocet, MAXX/2, MAXY/2, rmin, rmax, color, a, os);
    item = new Item(s, u, MAXX/2, MAXY/2, color, new Color(tr, tg, tb), w, rtxt, os);
  }

  public void kresli() {
    os.setColor(new Color(0, 0, 0));
    os.fillRect(0, 0, MAXX, MAXY);
    item.kresli();
    rotate.kresli();

    g.drawImage(offscreen, 0, 0, app);
  }

  public void run() {
    while (true) {
        kresli();
        try { Thread.sleep(PAUSE);
        } catch(InterruptedException e) { System.out.println("Preruseni behu"); }
    }
  }

  public void setActive(int x, int y) {
    item.setActive(x, y);
  }

  public void setDocument() {
    URL url = item.getUrl();
    if (url != null) {
      	AppletContext ac = app.getAppletContext();
        ac.showDocument(url);
    }
  }

}