Add autocomplete employee field renderer.

tailbone/forms/renderers/__init__.py

@@ -32,4 +32,5 @@ from tailbone.forms.renderers.common import (
     )
 
 from .people import *
+from .employees import EmployeeFieldRenderer
 from .products import *

tailbone/forms/renderers/employees.py

@@ -0,0 +1,42 @@
+# -*- 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/>.
+#
+################################################################################
+"""
+Employee Field Renderers
+"""
+
+from __future__ import unicode_literals
+
+from .common import AutocompleteFieldRenderer
+
+
+class EmployeeFieldRenderer(AutocompleteFieldRenderer):
+    """
+    Renderer for :class:`rattail.db.model.Employee` instance fields.
+    """
+    service_route = 'employees.autocomplete'
+
+    def render_readonly(self, **kwargs):
+        employee = self.raw_value
+        if not employee:
+            return ''
+        return unicode(employee.person)