From 423ca12a8134a8cffb65bc6fe7e8baf8e0f35aef Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Thu, 16 Dec 2021 22:39:44 +0100
Subject: [PATCH] Do not reset period or date if changed fill is empty

issue11035
review370401002
(grafted from d471d45ddc0596f28cbefcf4830db73c60b918cd)

--HG--
branch : 6.0
---
 account.py | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/account.py b/account.py
index d1bdd08b0b..a35b9b5285 100644
--- a/account.py
+++ b/account.py
@@ -1899,7 +1899,7 @@ class GeneralLedgerAccountContext(ModelView):
                 ()),
             ],
         states={
-            'invisible': (Eval('start_period', 'False')
+            'invisible': (Eval('start_period', False)
                 | Eval('end_period', False)),
             },
         depends=['to_date', 'start_period', 'end_period'])
@@ -1910,7 +1910,7 @@ class GeneralLedgerAccountContext(ModelView):
                 ()),
             ],
         states={
-            'invisible': (Eval('start_period', 'False')
+            'invisible': (Eval('start_period', False)
                 | Eval('end_period', False)),
             },
         depends=['from_date', 'start_period', 'end_period'])
@@ -1970,17 +1970,25 @@ class GeneralLedgerAccountContext(ModelView):
                 and self.end_period.fiscalyear != self.fiscalyear):
             self.end_period = None
 
+    @fields.depends('start_period')
     def on_change_start_period(self):
-        self.from_date = self.to_date = None
+        if self.start_period:
+            self.from_date = self.to_date = None
 
+    @fields.depends('end_period')
     def on_change_end_period(self):
-        self.from_date = self.to_date = None
+        if self.end_period:
+            self.from_date = self.to_date = None
 
+    @fields.depends('from_date')
     def on_change_from_date(self):
-        self.start_period = self.end_period = None
+        if self.from_date:
+            self.start_period = self.end_period = None
 
+    @fields.depends('to_date')
     def on_change_to_date(self):
-        self.start_period = self.end_period = None
+        if self.to_date:
+            self.start_period = self.end_period = None
 
 
 class GeneralLedgerAccountParty(_GeneralLedgerAccount):