package com.croftsoft.apps.exemplar;
     
     import java.awt.*;
     import java.awt.event.*;
     import java.util.*;
     import javax.swing.*;
     
     import com.croftsoft.core.animation.ComponentAnimator;
     import com.croftsoft.core.animation.animator.NullComponentAnimator;
     import com.croftsoft.core.gui.WindowLib;
     import com.croftsoft.core.lang.NullArgumentException;
     import com.croftsoft.core.lang.lifecycle.Lifecycle;
     import com.croftsoft.core.lang.lifecycle.Updatable;
     
     /*********************************************************************
     * Exemplar view.
     *  
     * @version
     *   $Id: View.java,v 1.14 2006/06/22 13:46:22 croft Exp $
     * @since
     *   2006-01-03
     * @author
     *   <a href="http://www.croftsoft.com/">David Wallace Croft</a>
     *********************************************************************/

     public final class  View
       implements Lifecycle, Updatable
     //////////////////////////////////////////////////////////////////////
     //////////////////////////////////////////////////////////////////////
     {
    	 
     private final Config          config;
     
     private final Accessor        accessor;
     
     private final Queue<Message>  eventQueue;
     
     private final JFrame          jFrame;
     
     private final JComponent      jComponent;
     
     //
     
     private ComponentAnimator  componentAnimator;
     
     //////////////////////////////////////////////////////////////////////
     //////////////////////////////////////////////////////////////////////
     
     public  View (
       final Config          config,
       final Accessor        accessor,
       final Queue<Message>  eventQueue,
       final JFrame          jFrame )
     //////////////////////////////////////////////////////////////////////
     {
       NullArgumentException.checkArgs (
         this.config     = config,
         this.accessor   = accessor,
         this.eventQueue = eventQueue,
         this.jFrame     = jFrame );
       
       jFrame.setTitle ( config.getFrameTitle ( ) );
       
       WindowLib.centerOnScreen ( jFrame, config.getFrameSize ( ) );
       
       componentAnimator = NullComponentAnimator.INSTANCE;
       
       jComponent = new JComponent ( )
         {
           private static final long  serialVersionUID = 0L;
    	   
           @Override
           public void  paintComponent ( final Graphics  graphics )
           {
             componentAnimator.paint ( this, ( Graphics2D ) graphics );
           }
         };
         
       final Container  contentPane = jFrame.getContentPane ( );
       
       contentPane.setLayout ( new BorderLayout ( ) );
       
       contentPane.add ( jComponent, BorderLayout.CENTER );
     }
     
     //////////////////////////////////////////////////////////////////////
     //////////////////////////////////////////////////////////////////////
     
     public void  addMouseListener ( final MouseListener  mouseListener )
     //////////////////////////////////////////////////////////////////////
     {
       jComponent.addMouseListener ( mouseListener );
     }
     
     //////////////////////////////////////////////////////////////////////
     // lifecycle methods
     //////////////////////////////////////////////////////////////////////
     
     public void  init ( )
     //////////////////////////////////////////////////////////////////////
     {
       System.out.println ( "View.init()" );
       
       componentAnimator = new Animator ( config, accessor, jComponent );
     }
     
     public void  start ( )
     //////////////////////////////////////////////////////////////////////
     {
       System.out.println ( "View.start()" );       
     }
     
     public void  stop ( )
     //////////////////////////////////////////////////////////////////////
     {
       System.out.println ( "View.stop()" );       
     }
     
     public void  destroy ( )
     //////////////////////////////////////////////////////////////////////
     {
       System.out.println ( "View.destroy()" );
       
       jFrame.setVisible ( false );
           
       jFrame.dispose ( );           
     }
     
     public void  update ( )
     //////////////////////////////////////////////////////////////////////
     {
       Message  message = null;
       
       while ( ( message = eventQueue.poll ( ) ) != null )
       {
         final Message.Type  type = message.getType ( );
         
         switch ( type )
         {
           case CLICK_COUNT_CHANGED:
             
             // Could play a sound here.
             
             System.out.println ( "Click!" );
             
             break;
             
           default:
             
             System.out.println ( getClass ( ).getName ( ) + ":  "
               + "unknown message type:  " + type );
         }
       }
       
       componentAnimator.update ( jComponent );
     }       
     
     //////////////////////////////////////////////////////////////////////
     //////////////////////////////////////////////////////////////////////
     }