Close all tabs when editing preferences

By editing the preferences the context could be changed so all tabs need to be
closed to avoid confusion.
The context should not be reloaded after just a re-login to avoid the same
confusion.

review35009

tryton/gui/main.py

@@ -1103,6 +1103,8 @@ class Main(object):
         self.notebook.set_current_page(page - 1)
 
     def sig_user_preferences(self, widget):
+        if not self.close_pages():
+            return False
         win = Preference(rpc._USER, self.window)
         if win.run():
             rpc.context_reload()
@@ -1124,6 +1126,7 @@ class Main(object):
                 CONFIG['client.lang'] = prefs['language']
             CONFIG.save()
         self.window.present()
+        self.sig_win_menu()
         return True
 
     def sig_win_close(self, widget):
@@ -1193,6 +1196,7 @@ class Main(object):
         except Exception, exception:
             common.process_exception(exception, self.window)
             return
+        rpc.context_reload()
         self.refresh_ssl()
         if log_response > 0:
             try:
@@ -1235,7 +1239,13 @@ class Main(object):
             self.open_url(url)
         return True
 
-    def sig_logout(self, widget, disconnect=True):
+    def close_pages(self):
+        if self.notebook.get_n_pages():
+            if not common.sur(
+                    _('The following action requires to close all tabs.\n'
+                    'Do you want to continue?'),
+                    parent=self.window):
+                return False
         res = True
         while res:
             wid = self.get_page()
@@ -1254,6 +1264,11 @@ class Main(object):
         if self.menu_screen:
             self.menu_screen.destroy()
             self.menu_screen = None
+        return True
+
+    def sig_logout(self, widget, disconnect=True):
+        if not self.close_pages():
+            return False
         self.sb_username.set_text('')
         self.sb_servername.set_text('')
         self.sb_requests.set_text('')
@@ -1373,12 +1388,9 @@ class Main(object):
         cls.tryton_client.quit_mainloop()
 
     def sig_close(self, widget):
-        if common.sur(_("Do you really want to quit?"), parent=self.window):
-            if not self.sig_logout(widget):
-                return False
-            Main.sig_quit()
-        else:
-            return True
+        if not self.sig_logout(widget):
+            return False
+        Main.sig_quit()
 
     def sig_delete(self, widget, event):
         if common.sur(_("Do you really want to quit?"), parent=self.window):

tryton/rpc.py

@@ -157,7 +157,6 @@ def login(username, password, host, port, database):
     _SESSION = res[1]
     _DATABASE = database
     SECURE = _SOCK.ssl
-    context_reload()
     IPCServer(host, port, database).run()
     return 1