001        package com.croftsoft.apps.exemplar;
002    
003        import java.awt.*;
004        import java.awt.event.ComponentAdapter;
005        import java.awt.event.ComponentEvent;
006        import javax.swing.JComponent;
007    
008        import com.croftsoft.core.animation.ComponentAnimator;
009        import com.croftsoft.core.animation.animator.FrameRateAnimator;
010        import com.croftsoft.core.lang.NullArgumentException;
011    
012        /***********************************************************************
013        * ComponentAnimator.
014        *
015        * @version
016        *   $Date: 2008/02/15 22:38:03 $
017        * @since
018        *   2005-08-12
019        * @author
020        *   <a href="http://www.CroftSoft.com/">David Wallace Croft</a>
021        ***********************************************************************/
022    
023        public final class  ExemplarAnimator
024          implements ComponentAnimator
025        ////////////////////////////////////////////////////////////////////////
026        ////////////////////////////////////////////////////////////////////////
027        {
028             
029        private final ExemplarConfig     exemplarConfig;
030           
031        private final ExemplarModel      exemplarModel;
032         
033        private final Rectangle          componentBounds;
034         
035        private final FrameRateAnimator  frameRateAnimator;
036         
037        //
038         
039        private String  text;
040         
041        private int     x, y;
042    
043        ////////////////////////////////////////////////////////////////////////
044        // constructor methods
045        ////////////////////////////////////////////////////////////////////////
046    
047        /***********************************************************************
048        * Main constructor.
049        ***********************************************************************/
050        public  ExemplarAnimator (
051          final ExemplarConfig  exemplarConfig,
052          final ExemplarModel   exemplarModel,
053          final JComponent      jComponent )
054        ////////////////////////////////////////////////////////////////////////
055        {
056          NullArgumentException.checkArgs (
057            this.exemplarConfig   = exemplarConfig,
058            this.exemplarModel = exemplarModel,
059            jComponent );
060           
061          componentBounds = new Rectangle ( );
062           
063          jComponent.setOpaque ( true );
064           
065          jComponent.setFont ( exemplarConfig.getFont ( ) );
066             
067          jComponent.setCursor ( exemplarConfig.getCursor ( ) );
068           
069          jComponent.requestFocus ( );
070           
071          jComponent.addComponentListener (
072            new ComponentAdapter ( )
073            {
074              @Override
075              public void  componentResized ( ComponentEvent  componentEvent )
076              {
077                update ( jComponent );
078                         
079                jComponent.repaint ( );
080              }
081            } );
082           
083          frameRateAnimator = new FrameRateAnimator ( jComponent );
084           
085          update ( jComponent );       
086        }
087         
088        ////////////////////////////////////////////////////////////////////////
089        // interface ComponentAnimator methods
090        ////////////////////////////////////////////////////////////////////////
091         
092        public void  paint (
093          final JComponent  jComponent,
094          final Graphics2D  graphics2D )
095        ////////////////////////////////////////////////////////////////////////
096        {
097          graphics2D.setColor ( exemplarConfig.getBackgroundColor ( ) );
098           
099          graphics2D.fill ( componentBounds );
100           
101          graphics2D.setColor ( exemplarConfig.getForegroundColor ( ) );
102           
103          graphics2D.drawString ( text, x, y );
104           
105          frameRateAnimator.paint ( jComponent, graphics2D );
106        }
107         
108        public void  update ( final JComponent  jComponent )
109        ////////////////////////////////////////////////////////////////////////
110        {
111          jComponent.getBounds ( componentBounds );
112             
113          final int  offsetX = componentBounds.width  / 2;
114             
115          final int  offsetY = componentBounds.height / 2;
116             
117          final int  radius = Math.min ( offsetX, offsetY ) / 2;
118        
119          text = "Clicks:  " + exemplarModel.getClickCount ( );
120             
121          x = offsetX + ( int ) Math.round (
122            radius * Math.sin ( exemplarModel.getPhase ( ) ) );
123             
124          y = offsetY + ( int ) Math.round (
125            radius * Math.cos ( exemplarModel.getPhase ( ) ) );
126             
127          frameRateAnimator.update ( jComponent );
128    
129          jComponent.paintImmediately ( componentBounds );
130        }
131    
132        ////////////////////////////////////////////////////////////////////////
133        ////////////////////////////////////////////////////////////////////////
134        }