Use boolean search filter for batch column filters of 'FLAG' type.

tailbone/views/batches/rows.py

@@ -1,9 +1,8 @@
-#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 ################################################################################
 #
 #  Rattail -- Retail Software Framework
-#  Copyright © 2010-2012 Lance Edgar
+#  Copyright © 2010-2014 Lance Edgar
 #
 #  This file is part of Rattail.
 #
@@ -21,17 +20,20 @@
 #  along with Rattail.  If not, see <http://www.gnu.org/licenses/>.
 #
 ################################################################################
-
 """
 Batch Row Views
 """
 
-from .. import SearchableAlchemyGridView, CrudView
+from __future__ import unicode_literals
+
 from pyramid.httpexceptions import HTTPFound
 
-from ...db import Session
+from tailbone.views import SearchableAlchemyGridView, CrudView
+from tailbone.forms import GPCFieldRenderer
+from tailbone.grids.search import BooleanSearchFilter
+from tailbone.db import Session
+
 from rattail.db.model import Batch, LabelProfile
-from ...forms import GPCFieldRenderer
 
 
 def field_with_renderer(field, column):
@@ -76,6 +78,8 @@ def BatchRowsGrid(request):
             for column in batch.columns:
                 if column.visible:
                     config['filter_label_%s' % column.name] = column.display_name
+                if column.data_type == 'FLAG(1)':
+                    config['filter_factory_{0}'.format(column.name)] = BooleanSearchFilter
             return config
 
         def grid(self):