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1
7
8 package org.jdesktop.swing.icon;
9
10 import java.awt.Color  ;
11 import java.awt.Component ;
12 import java.awt.Graphics ;
13
14 import javax.swing.Icon ;
15
16 public class SortArrowIcon implements Icon {
17 private boolean ascending = true;
18 private int width = 8;
20 private int height = 8;
21
22 public SortArrowIcon(boolean ascending) {
23 this.ascending = ascending;
24 }
25
26 public int getIconWidth() {
27 return width;
28 }
29
30 public int getIconHeight() {
31 return height;
32 }
33
34 public void paintIcon(Component c, Graphics g, int x, int y) {
35 Color base = c.getBackground();
36 Color shadow = base.darker().darker();
37 Color highlight = Color.white;
38
39 if (ascending) {
40 g.setColor(shadow);
41 int y1 = height-1;
42 for(int x1=0; x1 < width/2 ; x1++) {
43 g.drawLine(x + x1, y + y1, x + x1, y + y1 - 1);
44 y1 -= ((x1+1 == (width/2)-1)? 1 : 2);
45 }
46 g.setColor(highlight);
47 y1 = height-1;
48 for (int x1 = width-1; x1 >= width / 2; x1--) {
49 g.drawLine(x + x1, y + y1, x + x1, y + y1 - 1);
50 y1 -= ( (x1 - 1 == (width / 2)) ? 1 : 2);
51 }
52 g.drawLine(x + 1, y + height-1, x + width - 1, y + height-1);
53 } else {
54 g.setColor(shadow);
56 int y1 = 1;
57 for (int x1 = 0; x1 < width/2 ; x1++) {
58 g.drawLine(x + x1, y + y1, x + x1, y + y1 + 1);
59 y1 += (x1+1 == (width/2-1))? 1 : 2;
60 }
61 g.setColor(highlight);
62 y1 = 1;
63 for (int x1 = width - 1; x1 >= width/2; x1--) {
64 g.drawLine(x + x1, y + y1, x + x1, y + y1 + 1);
65 y1 += (x1-1 == width/2)? 1 : 2;
66 }
67 g.setColor(shadow);
68 g.drawLine(x + 1, y + 1, x + width - 1, y + 1);
69 }
70 }
71 }
72 |
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