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

public class Bifurcate extends Applet
{
   private Image  offImage;
   private BifurcateCanvas  drawing;
   private BifurcateControl control;
   private Label         status;
   private Button        button;
/* =========================================================== */
   public void init()
   {
      setLayout(new BorderLayout());

      button  = new Button("Controls");
      status  = new Label("Bifurcation Diagram - Applet by B. Wachsmuth");

      Panel bottomRow = new Panel();
      bottomRow.setLayout(new FlowLayout());
      bottomRow.add(status);
      bottomRow.add(button);
      add("South",  bottomRow);

      int width  = super.size().width;
      int height = super.size().height - bottomRow.preferredSize().height;
      offImage = createImage(width, height);
//      drawing = new BifurcateCanvas (this,offImage,width, height,
//                                     -0.1, 4.0, -0.1, 1.2, 100, 100);
      drawing = new BifurcateCanvas (this,offImage,width, height,
                                     -2, 0.4, -2, 2, 100, 100);
      add("Center", drawing);

//      control = new BifurcateControl(this,-0.1, 4.0, -0.1, 1.2, 100, 100);

      control = new BifurcateControl(this,-2, 0.4, -2, 2, 100, 100);

      resize(preferredSize());
      show();
   }
/* =========================================================== */
   public void showMsg(String msg)
   {
      status.setText(msg);
   }
/* =========================================================== */
   public void setControlParams(double xMin, double xMax,
                                double yMin, double yMax,
                                int    iter, int    pixel)
   {
      control.setParams(xMin,xMax,yMin,yMax,iter,pixel);
   }
/* =========================================================== */
   public void setDrawingParams(double xMin, double xMax,
                                double yMin, double yMax,
                                int    iter, int   pixel)
   {
      drawing.stop();
      drawing.setParams(xMin,xMax,yMin,yMax,iter,pixel);     
      drawing.start();
   }
/* =========================================================== */
    public boolean action(Event e, Object arg)
    {
       if (e.target == button)
       {
          control.show();
          control.toFront();
          return true;       
       }
       else 
          return false;
    }
}