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1
11
12 package contrib.javapro;
13
14 import java.awt.*;
15 import javax.swing.*;
16 import javax.swing.table.*;
17
18 public class SortHeaderRenderer
19 extends DefaultTableCellRenderer
20 {
21 public static Icon NONSORTED =
22 new SortArrowIcon(SortArrowIcon.NONE);
23 public static Icon ASCENDING =
24 new SortArrowIcon(SortArrowIcon.ASCENDING);
25 public static Icon DECENDING =
26 new SortArrowIcon(SortArrowIcon.DECENDING);
27
28 public SortHeaderRenderer()
29 {
30 setHorizontalTextPosition(LEFT);
31 setHorizontalAlignment(CENTER);
32 }
33
34 public Component getTableCellRendererComponent(
35 JTable table, Object  value, boolean isSelected,
36 boolean hasFocus, int row, int col)
37 {
38 int index = -1;
39 boolean ascending = true;
40 if (table instanceof JSortTable)
41 {
42 JSortTable sortTable = (JSortTable)table;
43 index = sortTable.getSortedColumnIndex();
44 ascending = sortTable.isSortedColumnAscending();
45 }
46 if (table != null)
47 {
48 JTableHeader header = table.getTableHeader();
49 if (header != null)
50 {
51 setForeground(header.getForeground());
52 setBackground(header.getBackground());
53 setFont(header.getFont());
54 }
55 }
56 Icon icon = ascending ? ASCENDING : DECENDING;
57 setIcon(col == index ? icon : NONSORTED);
58 setText((value == null) ? "" : value.toString());
59 setBorder(UIManager.getBorder("TableHeader.cellBorder"));
60 return this;
61 }
62 }
63
64 |
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