package zb.swing.renderer;import java.util.*;import java.awt.*;import javax.swing.*;import javax.swing.tree.*;import zb.swing.*;/** * @version 1.0 01/12/99 */public class IconNodeRenderer extends DefaultTreeCellRenderer {  public Component getTreeCellRendererComponent(JTree tree, Object value,      boolean sel, boolean expanded, boolean leaf,      int row, boolean hasFocus) {    super.getTreeCellRendererComponent(tree, value,       sel, expanded, leaf, row, hasFocus);    Icon icon = ((IconNode)value).getIcon();    if (icon == null) {      Hashtable icons = (Hashtable)tree.getClientProperty("JTree.icons");      String name = ((IconNode)value).getIconName();      if ((icons != null) && (name != null)) {        icon = (Icon)icons.get(name);        if (icon != null) {          setIcon(icon);        }      }    } else {      setIcon(icon);    }    return this;  }}