@Override
 public void logsFound(Object source, Log... found) {
   for (Log log : found) {
     LogReference ref = log.getReference();
     if (ref != null) {
       model.showReferenceAdded(ref);
     }
   }
 }
 @Override
 public void logRefsFound(Object source, LogReference... found) {
   for (LogReference ref : found) {
     model.showReferenceAdded(ref);
   }
 }
 @Override
 public void groupAdded(Object source, Group group) {
   model.showGroupAdded(group);
 }