From 738213b07dab228c7490299508d432898461e64b Mon Sep 17 00:00:00 2001
From: Albert Cervera i Areny <albert@nan-tic.com>
Date: Mon, 31 Aug 2015 10:31:26 +0200
Subject: [PATCH] Make sale_invoice_grouping_period visible only when
 sale_invoice_grouping_method is set.

---
 party.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/party.py b/party.py
index eb39deb..ce476a9 100644
--- a/party.py
+++ b/party.py
@@ -18,4 +18,6 @@ class Party:
     __name__ = 'party.party'
 
     sale_invoice_grouping_period = fields.Property(fields.Selection(
-            GROUPING_PERIODS, 'Sale Invoice Grouping Period'))
+            GROUPING_PERIODS, 'Sale Invoice Grouping Period', states={
+                'invisible': Eval('sale_invoice_grouping_method') == None,
+                }, depends=['sale_invoice_grouping_method']))