use partner_shipping-carrier_id for sales order; make property_delivery_carrier_id visible in quick_form

ext/custom-addons/dp_custom/models/sale.py

@@ -107,6 +107,13 @@ class SaleOrder(models.Model):
             if record.partner_invoice_id.is_retailer:
                 record.payment_term_id = record.partner_invoice_id.property_payment_term_id
 
+    @api.multi
+    @api.onchange('partner_shipping_id')
+    def onchange_partner_shipping_id(self):
+        res = super(SaleOrder, self).onchange_partner_shipping_id()
+        self.carrier_id = self.partner_shipping_id.property_delivery_carrier_id
+        return {}
+
     @api.multi
     def _compute_weight_total(self):
         for record in self:

ext/custom-addons/dp_custom/views/res_partner_views.xml

@@ -12,6 +12,9 @@
                             class="btn-danger" attrs="{'invisible':[('portal_pending','=',False)]}"/>
                 </header>
             </xpath>
+            <xpath expr="//group/field[@name='name']" position="after">
+                    <field name="property_delivery_carrier_id"/>
+            </xpath>
             <xpath expr="//field[@name='parent_id']/.." position="before">
                 <h3>
                     <field name="name2" placeholder="Unternehmen 2"/>