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1 package org.columba.core.gui.base;
2
3 import java.awt.Component  ;
4 import java.awt.Graphics ;
5
6 import javax.swing.Icon ;
7
8 public class IconDecorator implements Icon {
9
10 private Icon originalIcon;
11
12 private Icon decorationIcon;
13
14 private int xDiff;
15
16 private int yDiff;
17
18 private Location location;
19
20 public enum Location {
22 UPPER_LEFT, UPPER_RIGHT, LOWER_LEFT, LOWER_RIGHT
23 };
24
25 public IconDecorator(Icon original, Icon decoration) {
26 this(original, decoration, Location.LOWER_LEFT);
27 }
28
29 public IconDecorator(Icon original, Icon decoration, Location loc) {
30
31 this.location = loc;
32 this.originalIcon = original;
33 this.decorationIcon = decoration;
34 if (decoration.getIconHeight() > original.getIconHeight()
35 || decoration.getIconWidth() > original.getIconWidth()) {
36 throw new IllegalArgumentException (
37 "Decoration must be smaller than the original");
38 }
39 this.xDiff = originalIcon.getIconWidth()
40 + decorationIcon.getIconWidth()/4;
41 this.yDiff = originalIcon.getIconHeight() - decorationIcon.getIconHeight();
42 }
43
44 public int getIconHeight() {
45 return originalIcon.getIconHeight();
46 }
47
48 public int getIconWidth() {
49 return originalIcon.getIconWidth();
50 }
51
52 public void paintIcon(Component owner, Graphics g, int x, int y) {
53 originalIcon.paintIcon(owner, g, x, y);
55
56 int decorationX = x;
57 int decorationY = y;
58 if (location == Location.UPPER_RIGHT
60 || location == Location.LOWER_RIGHT) {
61 decorationX += xDiff;
62 }
63 if (location == Location.LOWER_LEFT || location == Location.LOWER_RIGHT) {
65 decorationY += yDiff;
66 }
67
68 decorationIcon.paintIcon(owner, g, decorationX, decorationY);
69 }
70
71 } |
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