Compute attributes name for variant

issue10844
review362271002

product.py

@@ -1,5 +1,6 @@
 # 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.i18n import gettext
 from trytond.model import fields
 from trytond.pool import PoolMeta
 from trytond.pyson import Eval
@@ -34,6 +35,13 @@ class Image(metaclass=PoolMeta):
             'invisible': ~Eval('attribute_set') | Eval('product'),
             },
         depends=['attribute_set', 'product'])
+    attributes_name = fields.Function(fields.Char(
+            "Attributes Name",
+            states={
+                'invisible': ~Eval('attribute_set'),
+                },
+            depends=['attribute_set']),
+        'on_change_with_attributes_name')
 
     attribute_set = fields.Function(
         fields.Many2One('product.attribute.set', "Attribute Set"),
@@ -43,3 +51,20 @@ class Image(metaclass=PoolMeta):
     def on_change_with_attribute_set(self, name=None):
         if self.template and self.template.attribute_set:
             return self.template.attribute_set.id
+
+    @fields.depends('attribute_set', 'attributes')
+    def on_change_with_attributes_name(self, name=None):
+        if not self.attribute_set or not self.attributes:
+            return
+
+        def key(attribute):
+            return getattr(attribute, 'sequence', attribute.name)
+
+        values = []
+        for attribute in sorted(self.attribute_set.attributes, key=key):
+            if attribute.name in self.attributes:
+                value = self.attributes[attribute.name]
+                values.append(gettext('product_attribute.msg_label_value',
+                        label=attribute.string,
+                        value=attribute.format(value)))
+        return " | ".join(filter(None, values))

product.xml

@@ -3,6 +3,12 @@
 this repository contains the full copyright notices and license terms. -->
 <tryton>
     <data>
+        <record model="ir.ui.view" id="image_view_list">
+            <field name="model">product.image</field>
+            <field name="inherit" ref="product_image.image_view_list"/>
+            <field name="name">image_list</field>
+        </record>
+
         <record model="ir.ui.view" id="image_view_form">
             <field name="model">product.image</field>
             <field name="inherit" ref="product_image.image_view_form"/>

view/image_list.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0"?>
+<!-- This file is part of Tryton.  The COPYRIGHT file at the top level of
+this repository contains the full copyright notices and license terms. -->
+<data>
+    <xpath expr="//field[@name='product']" position="after">
+        <field name="attributes_name" expand="1"/>
+    </xpath>
+</data>