fix /list with new SleekXMPP xep_0030 version. Also add some error handling...

fix /list with new SleekXMPP xep_0030 version. Also add some error handling and a '(loading)' information while waiting for the answer

src/core.py

@@ -890,11 +890,7 @@ class Core(object):
             server = arg.strip()
         list_tab = tabs.MucListTab(self, server)
         self.add_tab(list_tab, True)
-        res = self.xmpp.plugin['xep_0030'].getItems(server)
-        items = [{'node-part':JID(item[0]).user,
-                  'jid': item[0],
-                  'name': item[2]} for item in res['disco_items'].getItems()]
-        list_tab.listview.add_lines(items)
+        self.xmpp.plugin['xep_0030'].get_items(jid=server, block=False, callback=list_tab.on_muc_list_item_received)
 
     def command_whois(self, arg):
         """

src/tabs.py

@@ -1010,6 +1010,7 @@ class MucListTab(Tab):
         self._color_state = theme.COLOR_TAB_NORMAL
         self.name = server
         self.upper_message = windows.Topic()
+        self.upper_message.set_message('Chatroom list on server %s (Loading)' % self.name)
         columns = ('node-part','name', 'users')
         self.list_header = windows.ColumnHeaderWin(columns)
         self.listview = windows.ListWin(columns)
@@ -1026,7 +1027,7 @@ class MucListTab(Tab):
         self.resize()
 
     def refresh(self, tabs, informations, roster):
-        self.upper_message.refresh('Chatroom list on server %s' % self.name)
+        self.upper_message.refresh()
         self.list_header.refresh()
         self.listview.refresh()
         self.tab_win.refresh(tabs, tabs[0])
@@ -1057,6 +1058,32 @@ class MucListTab(Tab):
     def join_selected_no_focus(self):
         return
 
+    def set_error(self, msg, code, body):
+        """
+        If there's an error (retrieving the values etc)
+        """
+        self._error_message = _('Error: %(code)s - %(msg)s: %(body)s') % {'msg':msg, 'body':body, 'code':code}
+        self.upper_message.set_message(self._error_message)
+        self.upper_message.refresh()
+        curses.doupdate()
+
+    def on_muc_list_item_received(self, iq):
+        """
+        Callback called when a disco#items result is received
+        Used with command_list
+        """
+        log.debug('res: %s\n\n' % iq)
+        if iq['type'] == 'error':
+            self.set_error(iq['error']['type'], iq['error']['code'], iq['error']['text'])
+            return
+        items = [{'node-part':JID(item[0]).user,
+                  'jid': item[0],
+                  'name': item[2]} for item in iq['disco_items'].get_items()]
+        self.listview.add_lines(items)
+        self.upper_message.set_message('Chatroom list on server %s' % self.name)
+        self.upper_message.refresh()
+        curses.doupdate()
+
     def join_selected(self):
         row = self.listview.get_selected_row()
         if not row:

src/windows.py

@@ -154,14 +154,19 @@ class UserList(Win):
 class Topic(Win):
     def __init__(self):
         Win.__init__(self)
+        self._message = ''
 
     def resize(self, height, width, y, x, stdscr):
         self._resize(height, width, y, x, stdscr)
 
-    def refresh(self, topic):
+    def refresh(self, topic=None):
         with g_lock:
             self._win.erase()
-            self.addstr(0, 0, topic[:self.width-1], curses.color_pair(theme.COLOR_TOPIC_BAR))
+            if topic:
+                msg = topic[:self.width-1]
+            else:
+                msg = self._message[:self.width-1]
+            self.addstr(0, 0, msg, curses.color_pair(theme.COLOR_TOPIC_BAR))
             (y, x) = self._win.getyx()
             remaining_size = self.width - x
             if remaining_size:
@@ -169,6 +174,9 @@ class Topic(Win):
                              curses.color_pair(theme.COLOR_INFORMATION_BAR))
             self._refresh()
 
+    def set_message(self, message):
+        self._message = message
+
 class GlobalInfoBar(Win):
     def __init__(self):
         Win.__init__(self)
@@ -1362,12 +1370,13 @@ class ListWin(Win):
             return
         self.lines += lines
         self.refresh()
+        curses.doupdate()
 
     def get_selected_row(self):
         """
         Return the tuple representing the selected row
         """
-        if self._selected_row is not None:
+        if self._selected_row is not None and self.lines:
             return self.lines[self._selected_row]
         return None