Tarot game: basic trick

- plugin xep-0045: new method getRoomNick
- plugin tarot: basic trick
- wix: played card are shown in CardPanel

plugins/plugin_xep_0045.py

@@ -110,6 +110,17 @@ class XEP_0045():
             result.append((room.roomIdentifier, room.service, [user.nick for user in room.roster.values()], room.nick))
         return result
 
+    def getRoomNick(self, room_jid, profile_key='@DEFAULT@'):
+        """return nick used in room by user
+        @param room_jid: unicode room id
+        @profile_key: profile
+        @return: nick or empty string in case of error"""
+        profile = self.host.memory.getProfileName(profile_key)
+        if not self.__check_profile(profile) or not self.clients[profile].joined_rooms.has_key(room_jid):
+            return ''
+        return self.clients[profile].joined_rooms[room_jid].nick
+
+
     def getRoomSubjects(self, profile_key='@DEFAULT@'):
         """Return received subjects of rooms"""
         profile = self.host.memory.getProfileName(profile_key)