/** Henon..java:            The Henon Attractor       Feb. /98
 *  Daryl Rauhala           Java Application
 */


import java.awt.*;
import java.awt.event.*;

public class Henon extends Frame 
{
   private PlotCanvas pc;              // Canvas to plot points
   private InputPanel inputpanel;      // panel for user input
   private Button Reset, UserInput;
   private Panel reset     = new Panel();
   private Panel userInput = new Panel();
   private Panel main      = new Panel();
 
   public Henon(String title)
   {
      super(title);
      setBounds(0,0,450,400);            // set bounds of the Frame 

      pc = new PlotCanvas();
      pc.setBackground(Color.pink);
      pc.setBounds(0,15,450,300);         // can set Canvas size as desired
      pc.setHenonDefaults();
      add(pc, BorderLayout.CENTER );

      // istantiate the Panel of input varibales
      inputpanel = new InputPanel();
       
      // want it to listen to the two buttons within InputPanel
      // Buttons are Reset and Draw with Your Variables
      // could create the buttons here and separate from the InputPanel

      reset.setLayout (new GridLayout(1,1, 0,0));       // new Panel
      Reset = new Button ( "Reset to Defaults" );
      reset.add( Reset , BorderLayout.WEST  );
     
      userInput.setLayout (new GridLayout(1,1, 0,0));   // new Panel
      UserInput = new Button ( "Redraw with your Input Variables" );
      userInput.add( UserInput, BorderLayout.EAST );

          
      main.setLayout (new BorderLayout() );             // new Panel
      main.add (reset, BorderLayout.NORTH );
      main.add (userInput, BorderLayout.SOUTH);
      main.add (inputpanel, BorderLayout.CENTER );
   
      add (main, BorderLayout.SOUTH);
      
      // register listener for the input variables
      UserInput.addActionListener( new InputPanelHandler( pc, inputpanel ) );
      // register listener for the reset Button
      Reset.addActionListener    ( new InputPanelHandler( pc, inputpanel ) );
      // register listener for the close button of the Frame
      this.addWindowListener     ( new WindowCloseHandler() );
      // register the Mouse listener to the PlotCanvas
      pc.addMouseListener        ( new ZoomHandler( pc, inputpanel ) );

   } // end of the Henon Constructor

/**
 *  Make the actual call to start the application
 */

   public static void main(String args[])
   {
      Frame app = new Henon("Henon Attractor");
      app.setVisible(true);  // would be nice to see the Frame
      app.pack();            // subcomponents are laid out at
                             // their perferred size
   }

}