[FIX] website_quote: take suggested product lang from partner

Use the lang from the sale order's partner when updating suggested
product line. To achieve this, the onchange has been replaced by an
onchange of the new api which gives access to all the fields.

closes #7268
opw-643098

addons/website_quote/models/order.py

@@ -19,6 +19,7 @@
 #
 ##############################################################################
 
+from openerp import api
 from openerp.osv import osv, fields
 import uuid
 import time
@@ -290,6 +291,8 @@ class sale_order_option(osv.osv):
     _defaults = {
         'quantity': 1,
     }
+
+    # TODO master: to remove, replaced by onchange of the new api
     def on_change_product_id(self, cr, uid, ids, product, context=None):
         vals = {}
         if not product:
@@ -305,6 +308,17 @@ class sale_order_option(osv.osv):
             vals['name'] += '\n'+product_obj.description_sale
         return {'value': vals}
 
+    @api.onchange('product_id')
+    def _onchange_product_id(self):
+        product = self.product_id.with_context(lang=self.order_id.partner_id.lang)
+        self.price_unit = product.list_price
+        self.website_description = product.quote_description or product.website_description
+        self.name = product.name
+        if product.description_sale:
+            self.name += '\n' + product.description_sale
+        self.uom_id = product.product_tmpl_id.uom_id
+
+
 class product_template(osv.Model):
     _inherit = "product.template"
 

addons/website_quote/views/website_quotation_backend.xml

@@ -15,7 +15,7 @@
                         <label string="Optional Products &amp; Services" for="options"/>
                         <field name="options">
                             <tree string="Sales Quote Template Lines" editable="bottom">
-                                    <field name="product_id" on_change="on_change_product_id(product_id)"/>
+                                    <field name="product_id"/>
                                     <field name="name"/>
                                     <field name="quantity"/>
                                     <field name="uom_id" groups="product.group_uom"/>