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1
7
8 package javax.swing.plaf.basic;
9
10 import javax.swing.*;
11 import javax.swing.plaf.UIResource  ;
12
13 import java.awt.Graphics ;
14 import java.awt.Color ;
15 import java.awt.Component ;
16 import java.awt.Polygon ;
17 import java.io.Serializable ;
18
19
35 public class BasicIconFactory implements Serializable
36 {
37 private static Icon frame_icon;
38 private static Icon checkBoxIcon;
39 private static Icon radioButtonIcon;
40 private static Icon checkBoxMenuItemIcon;
41 private static Icon radioButtonMenuItemIcon;
42 private static Icon menuItemCheckIcon;
43 private static Icon menuItemArrowIcon;
44 private static Icon menuArrowIcon;
45
46 public static Icon getMenuItemCheckIcon() {
47 if (menuItemCheckIcon == null) {
48 menuItemCheckIcon = new MenuItemCheckIcon();
49 }
50 return menuItemCheckIcon;
51 }
52
53 public static Icon getMenuItemArrowIcon() {
54 if (menuItemArrowIcon == null) {
55 menuItemArrowIcon = new MenuItemArrowIcon();
56 }
57 return menuItemArrowIcon;
58 }
59
60 public static Icon getMenuArrowIcon() {
61 if (menuArrowIcon == null) {
62 menuArrowIcon = new MenuArrowIcon();
63 }
64 return menuArrowIcon;
65 }
66
67 public static Icon getCheckBoxIcon() {
68 if (checkBoxIcon == null) {
69 checkBoxIcon = new CheckBoxIcon();
70 }
71 return checkBoxIcon;
72 }
73
74 public static Icon getRadioButtonIcon() {
75 if (radioButtonIcon == null) {
76 radioButtonIcon = new RadioButtonIcon();
77 }
78 return radioButtonIcon;
79 }
80
81 public static Icon getCheckBoxMenuItemIcon() {
82 if (checkBoxMenuItemIcon == null) {
83 checkBoxMenuItemIcon = new CheckBoxMenuItemIcon();
84 }
85 return checkBoxMenuItemIcon;
86 }
87
88 public static Icon getRadioButtonMenuItemIcon() {
89 if (radioButtonMenuItemIcon == null) {
90 radioButtonMenuItemIcon = new RadioButtonMenuItemIcon();
91 }
92 return radioButtonMenuItemIcon;
93 }
94
95 public static Icon createEmptyFrameIcon() {
96 if(frame_icon == null)
97 frame_icon = new EmptyFrameIcon();
98 return frame_icon;
99 }
100
101 private static class EmptyFrameIcon implements Icon, Serializable {
102 int height = 16;
103 int width = 14;
104 public void paintIcon(Component c, Graphics g, int x, int y) {
105 }
106 public int getIconWidth() { return width; }
107 public int getIconHeight() { return height; }
108 };
109
110 private static class CheckBoxIcon implements Icon, Serializable
111 {
112 final static int csize = 13;
113 public void paintIcon(Component c, Graphics g, int x, int y) {
114 }
115
116 public int getIconWidth() {
117 return csize;
118 }
119
120 public int getIconHeight() {
121 return csize;
122 }
123 }
124
125 private static class RadioButtonIcon implements Icon, UIResource , Serializable
126 {
127 public void paintIcon(Component c, Graphics g, int x, int y) {
128 }
129
130 public int getIconWidth() {
131 return 13;
132 }
133
134 public int getIconHeight() {
135 return 13;
136 }
137 }
139
140 private static class CheckBoxMenuItemIcon implements Icon, UIResource , Serializable
141 {
142 public void paintIcon(Component c, Graphics g, int x, int y) {
143 AbstractButton b = (AbstractButton) c;
144 ButtonModel model = b.getModel();
145 boolean isSelected = model.isSelected();
146 if (isSelected) {
147 g.drawLine(x+7, y+1, x+7, y+3);
148 g.drawLine(x+6, y+2, x+6, y+4);
149 g.drawLine(x+5, y+3, x+5, y+5);
150 g.drawLine(x+4, y+4, x+4, y+6);
151 g.drawLine(x+3, y+5, x+3, y+7);
152 g.drawLine(x+2, y+4, x+2, y+6);
153 g.drawLine(x+1, y+3, x+1, y+5);
154 }
155 }
156 public int getIconWidth() { return 9; }
157 public int getIconHeight() { return 9; }
158
159 }
161
162 private static class RadioButtonMenuItemIcon implements Icon, UIResource , Serializable
163 {
164 public void paintIcon(Component c, Graphics g, int x, int y) {
165 AbstractButton b = (AbstractButton) c;
166 ButtonModel model = b.getModel();
167 if (b.isSelected() == true) {
168 g.fillOval(x+1, y+1, getIconWidth(), getIconHeight());
169 }
170 }
171 public int getIconWidth() { return 6; }
172 public int getIconHeight() { return 6; }
173
174 }
176
177 private static class MenuItemCheckIcon implements Icon, UIResource , Serializable {
178 public void paintIcon(Component c, Graphics g, int x, int y) {
179 }
180 public int getIconWidth() { return 9; }
181 public int getIconHeight() { return 9; }
182
183 }
185 private static class MenuItemArrowIcon implements Icon, UIResource , Serializable {
186 public void paintIcon(Component c, Graphics g, int x, int y) {
187 }
188 public int getIconWidth() { return 4; }
189 public int getIconHeight() { return 8; }
190
191 }
193 private static class MenuArrowIcon implements Icon, UIResource , Serializable {
194 public void paintIcon(Component c, Graphics g, int x, int y) {
195 Polygon p = new Polygon ();
196 p.addPoint(x, y);
197 p.addPoint(x+getIconWidth(), y+getIconHeight()/2);
198 p.addPoint(x, y+getIconHeight());
199 g.fillPolygon(p);
200
201 }
202 public int getIconWidth() { return 4; }
203 public int getIconHeight() { return 8; }
204 } }
206
207 |
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