/* reversi.java - jpq - 18/12/04
 * modification et ajout de main() le 13/02/18
 */

import java.awt.event.*;
import java.awt.*;
import java.applet.*;
import java.util.Random;

public class reversi extends java.applet.Applet {
  static final long serialVersionUID = 180213L;
  controles C;
  dessin D;

  private int gparmi (String s, int i) {
    try {
      s = getParameter (s);
      i = Integer.parseInt (s);
    }
    catch (NumberFormatException e) {}
    catch (NullPointerException e) {}
    return i;
  }

  public void init ()
  { setLayout (new BorderLayout ());
    setFont (new Font ("Arial", Font.PLAIN, 10));
    int n = gparmi ("n", 4);
    D = new dessin (n);
    C = new controles ();
    add (C, BorderLayout.NORTH);
    add (D, BorderLayout.CENTER);
  }

  public void destroy ()
  { remove (D); remove (C); }

  public String getAppletInfo ()
  { return "reversi par j.-p. Quelen"; }

////////////////////////////////////////////////////////////////////////////////
protected class dessin extends Canvas implements MouseListener {
  static final long serialVersionUID = 180213L;
  Image img;
  Graphics g;
  int n, w, h, N, p, pn;
  Random r;
//  boolean [] [] grille;
  boolean unpion;

  public dessin (int n)
  { addMouseListener (this);
    setCursor (new Cursor (Cursor.HAND_CURSOR));
    r = new Random ();
    init1 (n);
  }

  private void init1 (int n)
  { this.n = n;
    reversitab.grille = new boolean [n] [n];
    for (int i = 0; i < n; i ++)
      for (int j = 0; j < n; j ++)
//        grille [i] [j] = r.nextBoolean (); la machine Java de IE n'aime pas
        reversitab.grille [i] [j] = (r.nextDouble () > 0.5);
  }

  public void update (Graphics g)
  { paint (g); }

  public void paint (Graphics g1)
  { if (img == null || w != getSize().width || h != getSize().height) {
	  w = getSize().width;
      h = getSize().height;
      N = Math.min (w, h);
      img = createImage (w, h);
      g = img.getGraphics ();
    }
    p = N / n;
    pn = p * n;
    g.setColor (Color.white);
    g.fillRect (0, 0, w, h);
    if (p < 5) g.drawString ("n trop grand", 10, 10);
    else
    { int njn = 0;
      g.setColor (Color.yellow);
      int pi, pj;
      for (int i = pi = 0; i <= n; i ++, pi += p)
        g.drawLine (0, pi, pn, pi);
      for (int i = pi = 0; i <= n; i ++, pi += p)
        g.drawLine (pi, 0, pi, pn);
      g.setColor (Color.black);
      for (int i = pi = 0; i < n; i ++, pi += p)
        for (int j = pj = 0; j < n; j ++, pj += p)
          if (reversitab.grille [i] [j])
            g.drawOval (pi + 1, pj + 1 , p - 2 , p - 2);
          else
          { g.fillOval (pi + 1, pj + 1 , p - 2 , p - 2);
            njn ++;
          }
      String s = Integer.toString (njn) + " jeton";
      if (njn >= 2) s += "s";
      s += " noir";
      if (njn >= 2) s += "s";
      C.lnjb.setText (s);
    }
    g1.drawImage (img, 0, 0, this);
  }

  public void mouseClicked (MouseEvent e)
  { e.consume ();
    int i = e.getX ();
    int j = e.getY ();
    if ((i < pn) && (j < pn))
    { i = i / p;
      j = j / p;
      reversitab.grille [i] [j] = ! reversitab.grille [i] [j];
      if (! unpion)
      { if (i > 0) reversitab.grille [i - 1] [j] = ! reversitab.grille [i - 1] [j];
        if (j > 0) reversitab.grille [i] [j - 1] = ! reversitab.grille [i] [j - 1];
        if (i < n - 1) reversitab.grille [i + 1] [j] = ! reversitab.grille [i + 1] [j];
        if (j < n - 1) reversitab.grille [i] [j + 1] = ! reversitab.grille [i] [j + 1];
      }
    }
  D.repaint ();
  }

  public void mousePressed (MouseEvent e) { }
  public void mouseReleased (MouseEvent e) { }
  public void mouseEntered (MouseEvent e) { }
  public void mouseExited (MouseEvent e) { }

}
////////////////////////////////////////////////////////////////////////////////
protected class controles extends Panel implements ActionListener, ItemListener {
  static final long serialVersionUID = 180213L;
  TextField tn;
  Button ok, ng;
  Label lnjb;
  Checkbox cbunpion;

  public controles ()
  { setBackground (Color.lightGray);
    add (tn = new TextField (Integer.toString(D.n), 4));
    add (ng = new Button ("Nouvelle partie"));
    ng.addActionListener (this);
    add (lnjb = new Label ("    jetons noirs"));
    add (cbunpion = new Checkbox ("retourne 1 seul pion", false));
//    D.cbunpion = false;
    cbunpion.addItemListener (this);
  }

  public void itemStateChanged (ItemEvent e)
  { if (e.getSource () == cbunpion) D.unpion = cbunpion.getState ();
  }

  public void actionPerformed (ActionEvent e)
  { if (e.getSource () == ng)
    { int n = D.n;
      try { n = Integer.parseInt (tn.getText ()); }
      catch (NumberFormatException nfe) { }
      if (n < 2) n = 2;
      tn.setText (Integer.toString (n));
      D.init1 (n);
    }
    D.repaint ();
  }
}

////////////////////////////////////////////////////////////////////////////////

    public static void main (String [] args) {

        reversi a = new reversi();
        a.init ();
        a.start ();

        reversihisto a1 = new reversihisto();
        a1.init ();
        a1.start ();

        Frame f = new Frame ("reversi");
        f.addWindowListener (new fermer ());
        f.add (a);
        f.setSize (400, 400);
        f.setVisible (true);

        Frame f1 = new Frame ("reversihisto");
        f1.addWindowListener (new fermer ());
        f1.add (a1);
        f1.setSize (450, 300);
        f1.setVisible (true);
    }

// Permet la fermeture de la fenêtre contenant l'applet
    protected static final class fermer extends WindowAdapter {
        public void windowClosing (WindowEvent e) {
            System.exit (0);
        }
    }

}

class reversitab {
  static final long serialVersionUID = 180213L;
  static boolean [] [] grille;
}