From 4638e7b7b58d39ef1436034deead5d573ca81527 Mon Sep 17 00:00:00 2001
From: mathieui <mathieui@mathieui.net>
Date: Sat, 13 Oct 2012 15:33:32 +0200
Subject: Fixes #2376 (Only open one XMLTab)

- Also make Core.focus_tab_named take an optional type, and return a boolean
---
 src/core.py | 22 ++++++++++++++--------
 src/tabs.py |  2 +-
 2 files changed, 15 insertions(+), 9 deletions(-)

(limited to 'src')

diff --git a/src/core.py b/src/core.py
index c6d7d557..7e21a786 100644
--- a/src/core.py
+++ b/src/core.py
@@ -128,7 +128,7 @@ class Core(object):
 
         self.tab_win = windows.GlobalInfoBar()
         # Number of xml tabs opened, used to avoid useless memory consumption
-        self.xml_tabs = 0
+        self.xml_tab = False
         self.xml_buffer = TextBuffer()
 
         self.tabs = []
@@ -848,10 +848,14 @@ class Core(object):
                 return
         return
 
-    def focus_tab_named(self, tab_name):
+    def focus_tab_named(self, tab_name, type_=None):
+        """Returns True if it found a tab to focus on"""
         for tab in self.tabs:
             if tab.get_name() == tab_name:
-                self.command_win('%s' % (tab.nb,))
+                if (type_ and (isinstance(tab, type_))) or not type_:
+                    self.command_win('%s' % (tab.nb,))
+                return True
+        return False
 
     @property
     def current_tab_nb(self):
@@ -2258,9 +2262,11 @@ class Core(object):
 
     def command_xml_tab(self, arg=''):
         """/xml_tab"""
-        self.xml_tabs += 1
-        tab = tabs.XMLTab()
-        self.add_tab(tab, True)
+        self.xml_tab = True
+        xml_tab = self.focus_tab_named('XMLTab', tabs.XMLTab)
+        if not xml_tab:
+            tab = tabs.XMLTab()
+            self.add_tab(tab, True)
 
     def command_self(self, arg=None):
         """
@@ -2854,7 +2860,7 @@ class Core(object):
         """
         We are sending a new stanza, write it in the xml buffer if needed.
         """
-        if self.xml_tabs:
+        if self.xml_tab:
             self.add_message_to_text_buffer(self.xml_buffer, '\x191}<--\x19o %s' % stanza)
             if isinstance(self.current_tab(), tabs.XMLTab):
                 self.current_tab().refresh()
@@ -2864,7 +2870,7 @@ class Core(object):
         """
         We are receiving a new stanza, write it in the xml buffer if needed.
         """
-        if self.xml_tabs:
+        if self.xml_tab:
             self.add_message_to_text_buffer(self.xml_buffer, '\x192}-->\x19o %s' % stanza)
             if isinstance(self.current_tab(), tabs.XMLTab):
                 self.current_tab().refresh()
diff --git a/src/tabs.py b/src/tabs.py
index 27f79d9b..da6bceaf 100644
--- a/src/tabs.py
+++ b/src/tabs.py
@@ -3244,7 +3244,7 @@ class XMLTab(Tab):
         curses.curs_set(0)
 
     def on_close(self):
-        self.core.xml_tabs -= 1
+        self.core.xml_tab = False
 
 class SimpleTextTab(Tab):
     """
-- 
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