From 9f7337da14b582cc0d3fbd6e51a8d0de5cbbc249 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicolas=20=C3=89vrard?= <nicoe@b2ck.com>
Date: Tue, 29 Mar 2011 16:09:23 +0200
Subject: [PATCH] Check subdivision field when on_changing country

---
 address.py | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/address.py b/address.py
index 155791a4c4..aeed740fe7 100644
--- a/address.py
+++ b/address.py
@@ -25,7 +25,7 @@ class Address(ModelSQL, ModelView):
             states=STATES)
     city = fields.Char('City', states=STATES)
     country = fields.Many2One('country.country', 'Country',
-            states=STATES)
+        on_change=['country', 'subdivision'], states=STATES)
     subdivision = fields.Many2One("country.subdivision",
             'Subdivision', domain=[('country', '=', Eval('country'))],
             states=STATES)
@@ -109,4 +109,14 @@ class Address(ModelSQL, ModelView):
                     self.raise_user_error('write_party')
         return super(Address, self).write(ids, vals)
 
+    def on_change_country(self, vals):
+        subdivision_obj = self.pool.get('country.subdivision')
+        result = dict((k, vals.get(k, False))
+            for k in ('country', 'subdivision'))
+        if vals['subdivision']:
+            subdivision = subdivision_obj.browse(vals['subdivision'])
+            if subdivision.country.id != vals['country']:
+                result['subdivision'] = False
+        return result
+
 Address()