From 534ba14d5c898d50ffcdfd8539eedf10165f7fd9 Mon Sep 17 00:00:00 2001
From: mathieui <mathieui@mathieui.net>
Date: Sat, 21 Jul 2018 21:36:46 +0200
Subject: Fix /reorder

---
 plugins/reorder.py  | 29 +++++++++++------------------
 poezio/core/tabs.py | 12 ++++--------
 2 files changed, 15 insertions(+), 26 deletions(-)

diff --git a/plugins/reorder.py b/plugins/reorder.py
index 87e87ee6..5ba23c59 100644
--- a/plugins/reorder.py
+++ b/plugins/reorder.py
@@ -80,18 +80,18 @@ TAB_TO_TEXT = {
     tabs.GapTab: 'empty'
 }
 
-def parse_config(config):
+def parse_config(tab_config):
     result = {}
-    for option in config.options('reorder'):
+    for option in tab_config.options('reorder'):
         if not option.isdecimal():
             continue
         pos = int(option)
         if pos in result or pos <= 0:
-            return
+            return None
 
-        typ, name = config.get(option, default=':').split(':', maxsplit=1)
+        typ, name = tab_config.get(option, default=':').split(':', maxsplit=1)
         if typ not in TEXT_TO_TAB:
-            return
+            return None
         result[pos] = (TEXT_TO_TAB[typ], name)
 
     return result
@@ -132,25 +132,22 @@ class Plugin(BasePlugin):
         """
         /reorder
         """
-        self.core.go_to_roster()
-        self.core.current_tab_nb = 0
-
         tabs_spec = parse_config(self.config)
         if not tabs_spec:
             return self.api.information('Invalid reorder config', 'Error')
 
-        old_tabs = self.core.tabs[1:]
-        roster = self.core.tabs[0]
+        old_tabs = self.core.tabs.get_tabs()
+        roster = old_tabs.pop(0)
 
         create_gaps = config.get('create_gaps')
 
-        new_tabs = []
+        new_tabs = [roster]
         last = 0
         for pos in sorted(tabs_spec):
             if create_gaps and pos > last + 1:
-                new_tabs += [tabs.GapTab(self.core) for i in range(pos - last)]
+                new_tabs += [tabs.GapTab(self.core) for i in range(pos - last - 1)]
             cls, name = tabs_spec[pos]
-            tab = self.core.get_tab_by_name(name, typ=cls)
+            tab = self.core.tabs.by_name_and_class(name, cls=cls)
             if tab and tab in old_tabs:
                 new_tabs.append(tab)
                 old_tabs.remove(tab)
@@ -164,9 +161,5 @@ class Plugin(BasePlugin):
             if tab:
                 new_tabs.append(tab)
 
-        self.core.tabs.clear()
-        self.core.tabs.append(roster)
-        self.core.tabs += new_tabs
-
+        self.core.tabs.replace_tabs(new_tabs)
         self.core.refresh_window()
-
diff --git a/poezio/core/tabs.py b/poezio/core/tabs.py
index 3adaf478..91a10497 100644
--- a/poezio/core/tabs.py
+++ b/poezio/core/tabs.py
@@ -141,20 +141,16 @@ class Tabs:
             self._tab_names[tab.name] = tab
         self._update_numbers()
 
-    def replace_tabs(self, new_tabs: List[tabs.Tab]):
+    def replace_tabs(self, new_tabs: List[tabs.Tab]) -> bool:
         """
         Replace the current tab list with another, and
         rebuild the mappings.
         """
+        if self._current_tab not in new_tabs:
+            return False
         self._tabs = new_tabs
         self._rebuild()
-        current_tab = self.current_tab
-        try:
-            idx = self._tabs.index(current_tab)
-            self._current_index = idx
-        except ValueError:
-            self._current_index = 0
-            self._current_tab = self._tabs[0]
+        return True
 
     def _inc_cursor(self):
         self._current_index = (self._current_index + 1) % len(self._tabs)
-- 
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