* */
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);
if (value.getClass() == Overlay.class) {
Overlay overlay = (Overlay)value;
ImageIcon icon;
if(overlay.isAlternative()){
icon = new ImageIcon(RecordModel.RelativeIconDirectoryName + "altTreeIcon.gif");
setForeground(Color.GRAY);
}else{
icon = new ImageIcon(RecordModel.RelativeIconDirectoryName + "regionTreeIcon.gif");
setForeground(Color.BLACK);