Remove use of extra_columns and move logic to app.py module.

mayan/apps/converter/apps.py

@@ -3,6 +3,8 @@ from __future__ import unicode_literals
 from django.utils.translation import ugettext_lazy as _
 
 from common import MayanAppConfig, menu_object, menu_sidebar
+from common.utils import encapsulate
+from navigation import SourceColumn
 
 from .links import (
     link_transformation_create, link_transformation_delete,
@@ -18,6 +20,17 @@ class ConverterApp(MayanAppConfig):
     def ready(self):
         super(ConverterApp, self).ready()
 
+        SourceColumn(source=Transformation, label=_('Order'), attribute='order')
+        SourceColumn(
+            source=Transformation, label=_('Transformation'),
+            attribute=encapsulate(
+                lambda transformation: unicode(transformation)
+            )
+        )
+        SourceColumn(
+            source=Transformation, label=_('Arguments'), attribute='arguments'
+        )
+
         menu_object.bind_links(
             links=(link_transformation_edit, link_transformation_delete),
             sources=(Transformation,)

mayan/apps/converter/views.py

@@ -10,7 +10,6 @@ from django.shortcuts import get_object_or_404
 from django.utils.translation import ugettext_lazy as _
 
 from acls.models import AccessControlList
-from common.utils import encapsulate
 from common.views import (
     SingleObjectCreateView, SingleObjectDeleteView, SingleObjectEditView,
     SingleObjectListView
@@ -231,15 +230,6 @@ class TransformationListView(SingleObjectListView):
     def get_extra_context(self):
         return {
             'content_object': self.content_object,
-            'extra_columns': [
-                {'name': _('Order'), 'attribute': 'order'},
-                {
-                    'name': _('Transformation'), 'attribute': encapsulate(
-                        lambda transformation: unicode(transformation)
-                    )
-                },
-                {'name': _('Arguments'), 'attribute': 'arguments'}
-            ],
             'hide_link': True,
             'hide_object': True,
             'navigation_object_list': ('content_object',),