Add StoreFieldRenderer.

Also try to set a good pattern for going forward..

tailbone/app.py

@@ -45,7 +45,7 @@ from pyramid.authentication import SessionAuthenticationPolicy
 
 import tailbone.db
 from tailbone.auth import TailboneAuthorizationPolicy
-from tailbone.forms import GPCFieldRenderer
+from tailbone.forms import renderers
 
 
 log = logging.getLogger(__name__)
@@ -119,7 +119,7 @@ def make_pyramid_config(settings):
 
     # Configure FormAlchemy.
     formalchemy.config.engine = TemplateEngine()
-    formalchemy.FieldSet.default_renderers[GPCType] = GPCFieldRenderer
+    formalchemy.FieldSet.default_renderers[GPCType] = renderers.GPCFieldRenderer
 
     return config
 

tailbone/forms/__init__.py

@@ -1,9 +1,8 @@
-#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 ################################################################################
 #
 #  Rattail -- Retail Software Framework
-#  Copyright © 2010-2012 Lance Edgar
+#  Copyright © 2010-2015 Lance Edgar
 #
 #  This file is part of Rattail.
 #
@@ -21,7 +20,6 @@
 #  along with Rattail.  If not, see <http://www.gnu.org/licenses/>.
 #
 ################################################################################
-
 """
 Forms
 """
@@ -30,3 +28,5 @@ from .simpleform import *
 from .alchemy import *
 from .fields import *
 from .renderers import *
+
+from tailbone.forms import renderers

tailbone/forms/renderers/__init__.py

@@ -33,4 +33,8 @@ from tailbone.forms.renderers.common import (
 
 from .people import *
 from .employees import EmployeeFieldRenderer
-from .products import *
+
+from tailbone.forms.renderers.products import GPCFieldRenderer
+from tailbone.forms.renderers.products import *
+
+from tailbone.forms.renderers.stores import StoreFieldRenderer

tailbone/forms/renderers/stores.py

@@ -0,0 +1,41 @@
+# -*- coding: utf-8 -*-
+################################################################################
+#
+#  Rattail -- Retail Software Framework
+#  Copyright © 2010-2015 Lance Edgar
+#
+#  This file is part of Rattail.
+#
+#  Rattail is free software: you can redistribute it and/or modify it under the
+#  terms of the GNU Affero General Public License as published by the Free
+#  Software Foundation, either version 3 of the License, or (at your option)
+#  any later version.
+#
+#  Rattail is distributed in the hope that it will be useful, but WITHOUT ANY
+#  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+#  FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for
+#  more details.
+#
+#  You should have received a copy of the GNU Affero General Public License
+#  along with Rattail.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+"""
+Store Field Renderers
+"""
+
+from __future__ import unicode_literals
+
+from formalchemy.fields import SelectFieldRenderer
+
+
+class StoreFieldRenderer(SelectFieldRenderer):
+    """
+    Renderer for :class:`rattail.db.model.Store` instance fields.
+    """
+
+    def render_readonly(self, **kwargs):
+        store = self.raw_value
+        if not store:
+            return ''
+        return '{0} - {1}'.format(store.id, store.name)