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1   package org.catacomb.druid.swing;
2   
3   
4   
5   import java.awt.Component;
6   
7   import javax.swing.Icon;
8   import javax.swing.JTree;
9   import javax.swing.tree.DefaultTreeCellRenderer;
10  
11  import org.catacomb.icon.IconLoader;
12  
13  
14  
15  
16  public class TCRenderer extends DefaultTreeCellRenderer {
17      static final long serialVersionUID = 1001;
18  
19      static Icon leafIcon;
20      static Icon closedIcon;
21      static Icon openIcon;
22  
23  
24      static {
25          leafIcon = IconLoader.createImageIcon("leaf.gif");
26          closedIcon = IconLoader.createImageIcon("closed.gif");
27          openIcon = IconLoader.createImageIcon("open.gif");
28      }
29  
30  
31  
32  
33  
34      public Component getTreeCellRendererComponent(JTree tree,
35              Object value,
36              boolean sel,
37              boolean expanded,
38              boolean leaf,
39              int row,
40              boolean lhasFocus) {
41  
42          super.getTreeCellRendererComponent(tree, value, sel,expanded, leaf, row, lhasFocus);
43  
44          if (leaf) {
45              setIcon(leafIcon);
46          } else if (expanded) {
47              setIcon(openIcon);
48          } else {
49              setIcon(closedIcon);
50          }
51  
52  
53          return this;
54      }
55  
56  
57  }