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="https://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 }