001 package com.croftsoft.apps.fraction;
002
003 import java.applet.*;
004 import java.awt.*;
005 import java.awt.event.*;
006 import java.awt.geom.*;
007 import java.util.Random;
008 import javax.swing.*;
009 import javax.swing.event.*;
010
011 import com.croftsoft.core.lang.NullArgumentException;
012 import com.croftsoft.core.animation.*;
013 import com.croftsoft.core.animation.sprite.*;
014
015 /*********************************************************************
016 * A Fraction door.
017 *
018 * @version
019 * 2002-07-21
020 * @since
021 * 2002-04-28
022 * @author
023 * <a href="https://www.croftsoft.com/">David Wallace Croft</a>
024 *********************************************************************/
025
026 public class FractionDoor
027 implements ComponentAnimator
028 //////////////////////////////////////////////////////////////////////
029 //////////////////////////////////////////////////////////////////////
030 {
031
032 private static final Color DOOR_FRAME_COLOR
033 = Color.ORANGE;
034
035 private static final Color NUMBERS_COLOR
036 = Color.BLACK;
037
038 private static final Color DOOR_COLOR_CLOSED
039 = Color.LIGHT_GRAY;
040
041 private static final Color DOOR_COLOR_HIGHLIGHTED
042 = Color.YELLOW;
043
044 private static final Color DOOR_COLOR_OPEN
045 = Color.WHITE;
046
047 //
048
049 private final Rectangle rectangle;
050
051 private final int numerator;
052
053 private final int denominator;
054
055 private final String numeratorStr;
056
057 private final String denominatorStr;
058
059 private final int numeratorX;
060
061 private final int numeratorY;
062
063 private final int denominatorX;
064
065 private final int denominatorY;
066
067 private final int lineX1;
068
069 private final int lineY1;
070
071 private final int lineX2;
072
073 private final int lineY2;
074
075 private final int horizontalMovementY;
076
077 private final int verticalMovementX;
078
079 //
080
081 private Color doorColor;
082
083 //////////////////////////////////////////////////////////////////////
084 // constructor methods
085 //////////////////////////////////////////////////////////////////////
086
087 public FractionDoor (
088 Rectangle rectangle,
089 int numerator,
090 int denominator,
091 int numeratorX,
092 int numeratorY,
093 int denominatorX,
094 int denominatorY,
095 int lineX1,
096 int lineY1,
097 int lineX2,
098 int lineY2,
099 int horizontalMovementY,
100 int verticalMovementX )
101 //////////////////////////////////////////////////////////////////////
102 {
103 NullArgumentException.check ( this.rectangle = rectangle );
104
105 this.numerator = numerator;
106
107 this.denominator = denominator;
108
109 this.numeratorStr = Integer.toString ( numerator );
110
111 this.denominatorStr = Integer.toString ( denominator );
112
113 this.numeratorX = numeratorX;
114
115 this.numeratorY = numeratorY;
116
117 this.denominatorX = denominatorX;
118
119 this.denominatorY = denominatorY;
120
121 this.lineX1 = lineX1;
122
123 this.lineY1 = lineY1;
124
125 this.lineX2 = lineX2;
126
127 this.lineY2 = lineY2;
128
129 this.horizontalMovementY = horizontalMovementY;
130
131 this.verticalMovementX = verticalMovementX;
132
133 reset ( );
134 }
135
136 //////////////////////////////////////////////////////////////////////
137 // accessor methods
138 //////////////////////////////////////////////////////////////////////
139
140 public int getNumerator ( ) { return numerator; }
141
142 public int getDenominator ( ) { return denominator; }
143
144 //////////////////////////////////////////////////////////////////////
145 // mutator methods
146 //////////////////////////////////////////////////////////////////////
147
148 public void setHighlighted ( )
149 //////////////////////////////////////////////////////////////////////
150 {
151 doorColor = DOOR_COLOR_HIGHLIGHTED;
152 }
153
154 public void setOpen ( )
155 //////////////////////////////////////////////////////////////////////
156 {
157 doorColor = DOOR_COLOR_OPEN;
158 }
159
160 public void reset ( )
161 //////////////////////////////////////////////////////////////////////
162 {
163 doorColor = DOOR_COLOR_CLOSED;
164 }
165
166 //////////////////////////////////////////////////////////////////////
167 //////////////////////////////////////////////////////////////////////
168
169 public boolean contains (
170 int x,
171 int y )
172 //////////////////////////////////////////////////////////////////////
173 {
174 return ( x == verticalMovementX )
175 && ( y == horizontalMovementY );
176 }
177
178 public int getHorizontalMovementY ( )
179 //////////////////////////////////////////////////////////////////////
180 {
181 return horizontalMovementY;
182 }
183
184 public int getVerticalMovementX ( )
185 //////////////////////////////////////////////////////////////////////
186 {
187 return verticalMovementX;
188 }
189
190 //////////////////////////////////////////////////////////////////////
191 // interface ComponentAnimator methods
192 //////////////////////////////////////////////////////////////////////
193
194 public void update ( JComponent component )
195 //////////////////////////////////////////////////////////////////////
196 {
197 }
198
199 public void paint (
200 JComponent component,
201 Graphics2D graphics2D )
202 //////////////////////////////////////////////////////////////////////
203 {
204 graphics2D.setColor ( doorColor );
205
206 graphics2D.fill ( rectangle );
207
208 graphics2D.setColor ( DOOR_FRAME_COLOR );
209
210 graphics2D.draw ( rectangle );
211
212 graphics2D.setColor ( NUMBERS_COLOR );
213
214 graphics2D.drawString (
215 numeratorStr,
216 numeratorX,
217 numeratorY );
218
219 graphics2D.drawLine (
220 lineX1,
221 lineY1,
222 lineX2,
223 lineY2 );
224
225 graphics2D.drawString (
226 denominatorStr,
227 denominatorX,
228 denominatorY );
229 }
230
231 //////////////////////////////////////////////////////////////////////
232 //////////////////////////////////////////////////////////////////////
233 }