--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/pyams_security/zmi/widget/__init__.py	Thu Feb 19 10:53:29 2015 +0100
@@ -0,0 +1,56 @@
+#
+# Copyright (c) 2008-2015 Thierry Florac <tflorac AT ulthar.net>
+# All Rights Reserved.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+#
+from pyams_form.interfaces.form import IFormLayer
+from pyams_form.widget import widgettemplate_config
+
+__docformat__ = 'restructuredtext'
+
+
+# import standard library
+
+# import interfaces
+from z3c.form.interfaces import IDataConverter
+from zope.schema.interfaces import ITuple
+
+# import packages
+from pyams_utils.adapter import adapter_config
+from z3c.form.browser.widget import HTMLFormElement
+from z3c.form.converter import BaseDataConverter
+from z3c.form.widget import FieldWidget, Widget
+
+
+@widgettemplate_config(mode='input', template='templates/ordered-list-input.pt', layer=IFormLayer)
+@widgettemplate_config(mode='display', template='templates/ordered-list-display.pt', layer=IFormLayer)
+class OrderedPluginsWidget(HTMLFormElement, Widget):
+    """Ordered plug-ins list widget"""
+
+    def str_value(self):
+        return ';'.join(self.value)
+
+    def items(self):
+        for name in self.value:
+            yield self.context.get_plugin(name)
+
+
+def OrderedPluginsFieldWidget(field, request):
+    return FieldWidget(field, OrderedPluginsWidget(request))
+
+
+@adapter_config(context=(ITuple, OrderedPluginsWidget), provides=IDataConverter)
+class OrderdedPluginsDataConverter(BaseDataConverter):
+    """Ordered plugins data converter"""
+
+    def toWidgetValue(self, value):
+        return value
+
+    def toFieldValue(self, value):
+        return tuple(value.split(';'))