public Component getListCellRendererComponent(
     JList list, Object value, int index, boolean isSelected, boolean hasFocus) {
   Component comp =
       super.getListCellRendererComponent(list, value, index, isSelected, hasFocus());
   if (!(value instanceof GKInstance)) return comp;
   String text = null;
   GKInstance instance = (GKInstance) value;
   text = instance.getDisplayName();
   if (text == null || (text != null && text.length() == 0)) {
     text = instance.getExtendedDisplayName();
   }
   String type = (String) typeMap.get(instance);
   if (type == DELETE_IN_DB_KEY) setIcon(deleteInDBIcon);
   else if (type == DELETE_KEY) setIcon(deleteIcon);
   else if (type == NEW_KEY) setIcon(newInstanceIcon);
   else if (type == NEW_CHANGE_IN_DB_KEY) setIcon(dbChangeIcon);
   else if (type == NEW_CHANGE_IN_LOCAL_KEY) setIcon(newChangeIcon);
   else if (type == CONFLICT_CHANGE_KEY || type == LOCAL_HAS_MORE_IE_KEY) setIcon(conflictIcon);
   else setIcon(icon);
   if (text == null) {
     text = "";
     setIcon(null);
   }
   setText(text);
   if (text.length() > 0) setToolTipText(text);
   else setToolTipText(null);
   return comp;
 }