From dbc091688f1edbbffb8c70e29778a9437b2d0e47 Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Sun, 22 Apr 2012 17:43:15 +0200
Subject: Improved topic module

---
 connection/xmpp.py |  1 +
 modules/topic.py   | 60 +++++++++++++++++++++++++++++++++++++++---------------
 2 files changed, 45 insertions(+), 16 deletions(-)

diff --git a/connection/xmpp.py b/connection/xmpp.py
index dd1c061..d6e3a3f 100644
--- a/connection/xmpp.py
+++ b/connection/xmpp.py
@@ -33,6 +33,7 @@ class MucHandler(MucRoomHandler):
     
     def set_topic(self, topic):
         self.room_state.set_subject(topic)
+        self.room_state.subject = topic
     
     def message_received(self, user, stanza):
         if(user == None or user.same_as(self.room_state.me) or stanza.get_body() == None):
diff --git a/modules/topic.py b/modules/topic.py
index d878a91..7f4ca10 100644
--- a/modules/topic.py
+++ b/modules/topic.py
@@ -6,24 +6,52 @@ import re
 class Module(ModuleBase):
     def __init__(self, manager):
         ModuleBase.__init__(self, manager)
-    
+
     def commands(self):
-        return [('!topic [<Topic>]', 'Fügt einen Text zum Thema des Chatraums hinzu oder zeigt das aktuelle Topic an')]
-    
+        return [
+            ('!topic [s[how]]', 'Zeigt das aktuelle Topic mit IDs an'),
+            ('!topic a[dd] <Topic>', 'Fügt einen Text zum Thema des Chatraums hinzu'),
+            ('!topic d[el[ete]] <ID>', 'Entfernt das Topic mit der ID')
+            ]
+
     def groupchat(self, room, nick, text, handler):
-        if not re.match(r'!topic(?:\W|\Z)', text):
+        if not re.match(r'!topic(?:\s|\Z)', text):
             return
-        
-        if not re.match(r'!topic\W', text):
-            handler.reply(handler.get_topic())
-            return
-        
-        topic = re.sub(r'!topic\W+', '', text)
-        if topic == '':
+
+        if re.match(r'!topic(?:\s+(?:s(?:how)?)?\s*)?\Z', text):
+            topic = handler.get_topic()
+            if topic is None or topic == '':
+                handler.reply('Es ist kein Topic gesetzt.')
+                return
+            topics = [s.strip() for s in topic.split('|')]
+            idtopics = zip(range(len(topics)), topics)
+            idtopicstrings = ["%i: %s" % t for t in idtopics]
+            handler.reply('Aktuelles Topic:\n\n' + '\n'.join(idtopicstrings))
             return
-        
+
         oldtopic = handler.get_topic()
-        if oldtopic != '' and oldtopic != None:
-            topic += ' | ' + oldtopic
-        
-        handler.set_topic(topic)
+
+        if re.match(r'!topic\s+a(?:dd)?\s', text):
+            topic = re.sub(r'!topic\s+a(?:dd)?\s+', '', text)
+            if topic == '':
+                return
+
+            if oldtopic != '' and oldtopic is not None:
+                topic += ' | ' + oldtopic
+
+            handler.set_topic(topic)
+            return
+
+        if re.match(r'!topic\s+d(?:el(?:ete)?)?\s', text):
+            try:
+                topicid = int(re.sub(r'!topic\s+d(?:el(?:ete)?)?\s+', '', text))
+            except:
+                return
+
+            topics = [s.strip() for s in oldtopic.split('|')]
+            if topicid < 0 or topicid >= len(topics):
+                return
+
+            del topics[topicid]
+
+            handler.set_topic(' | '.join(topics))
-- 
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