@Override
 public void execute() {
   HashMap<Key<GroupDTO>, GroupDTO> invites = VeggieDinner.getGroups(me.getGroups());
   myInvites = new MenuBar(true);
   myStuff.addItem("My Invites", myInvites);
   for (GroupDTO g : invites.values()) {
     final GroupDTO finalGroup = g;
     String hostsString = "Me";
     for (UserDTO u : VeggieDinner.getUsers(g.getHosts()).values())
       if (!u.getKey().equals(me.getKey())) hostsString += ", " + u.getUserName();
     myInvites.addItem(
         hostsString,
         new Command() {
           @Override
           public void execute() {
             VeggieDinner.showGroup(finalGroup.getKey());
           }
         });
   }
 }
 @Override
 public void execute() {
   final GroupDTO g = VeggieDinner.getGroup(me.getSelectedGroup());
   myStuff.addItem(
       "My Group",
       new Command() {
         @Override
         public void execute() {
           VeggieDinner.showGroup(g.getKey());
         }
       });
   Collection<Key<EventDTO>> events = g.getEvents();
   if (events.size() == 1) {
     final Key<EventDTO> e = g.getEvent(0);
     myStuff.addItem(
         "My Event",
         new Command() {
           @Override
           public void execute() {
             VeggieDinner.showEvent(e);
           }
         });
   } else if (events.size() > 1) {
     MenuBar myEvents = new MenuBar(true);
     myStuff.addItem("My Events", myEvents);
     for (int i = 0; i < events.size(); i++) {
       final Key<EventDTO> e = g.getEvent(i);
       // TODO add the schedule to the group and populate the date
       // here as well
       myEvents.addItem(
           "Event #" + e.getId(),
           new Command() {
             @Override
             public void execute() {
               VeggieDinner.showEvent(e);
             }
           });
     }
   }
 }
 private HashSet<Key<EventDTO>> getEventsFromGroups(Collection<GroupDTO> groups) {
   HashSet<Key<EventDTO>> events = new HashSet<Key<EventDTO>>();
   if (groups == null) return events;
   for (GroupDTO g : groups) events.addAll(g.getEvents());
   return events;
 }
 private HashSet<Key<UserDTO>> getHostsFromGroups(Collection<GroupDTO> groups) {
   HashSet<Key<UserDTO>> hosts = new HashSet<Key<UserDTO>>();
   if (groups == null) return hosts;
   for (GroupDTO g : groups) hosts.addAll(g.getHosts());
   return hosts;
 }