Add invisible states on locations

issue2629

product.py

@@ -1,12 +1,15 @@
 #This file is part of Tryton.  The COPYRIGHT file at the top level of
 #this repository contains the full copyright notices and license terms.
 from trytond.model import ModelView, ModelSQL, fields
+from trytond.pyson import Eval
 
 
 class Product(ModelSQL, ModelView):
     _name = 'product.product'
 
     locations = fields.One2Many('stock.product.location', 'product',
-            'Default Locations')
+        'Default Locations', states={
+            'invisible': ~Eval('type').in_(['goods', 'assets']),
+            })
 
 Product()

product.xml

@@ -11,9 +11,10 @@ this repository contains the full copyright notices and license terms. -->
                 <data>
                     <xpath expr="/form/notebook/page[@id=&quot;general&quot;]"
                         position="after">
-                      <page string="Default Locations" id="default_locations">
-                          <field name="locations" colspan="4"/>
-                      </page>
+                        <page string="Default Locations" id="default_locations"
+                            states="{'invisible': ~Eval('type').in_(['goods', 'assets'])}">
+                            <field name="locations" colspan="4"/>
+                        </page>
                     </xpath>
                 </data>
                 ]]>