diff -r 000000000000 -r 747fc65e13e2 src/ztfy/baseskin/form.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/ztfy/baseskin/form.py	Sun May 11 02:03:37 2014 +0200
@@ -0,0 +1,38 @@
+#
+# Copyright (c) 2012 Thierry Florac <tflorac AT onf.fr>
+# All Rights Reserved.
+#
+
+
+# import standard packages
+
+# import Zope3 interfaces
+
+# import local interfaces
+
+# import Zope3 packages
+from zope.interface import implements
+from zope.lifecycleevent import ObjectCreatedEvent, ObjectModifiedEvent
+
+# import local packages
+from ztfy.baseskin.interfaces.form import IFormObjectCreatedEvent, IFormObjectModifiedEvent
+
+
+class FormObjectCreatedEvent(ObjectCreatedEvent):
+    """Form object created event"""
+
+    implements(IFormObjectCreatedEvent)
+
+    def __init__(self, object, view):
+        self.object = object
+        self.view = view
+
+
+class FormObjectModifiedEvent(ObjectModifiedEvent):
+    """Form object modified event"""
+
+    implements(IFormObjectModifiedEvent)
+
+    def __init__(self, object, view, *descriptions):
+        ObjectModifiedEvent.__init__(self, object, *descriptions)
+        self.view = view