Fixed issue related to inheritances in Form fields and ZMI.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@16636 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/Interactor.py

 from Products.ERP5Type.Accessor.Accessor import Accessor as Method
 from Products.ERP5Type.Base import _aq_reset
-
+import Acquisition
+from Acquisition import aq_parent
 """
   Current implementation uses callable objects.
   Using decorator would be more modern and consistent with
@@ -27,7 +28,10 @@ class InteractorMethodCall:
     self.method = method
 
   def __call__(self):
-    return self.method(self.instance, *self.args, **self.kw)
+    # We use self.__dict__['instance'] to prevent inserting the
+    # InteractorMethodCall instance in the acquisition chain
+    # which has some side effects
+    return self.method(self.__dict__['instance'], *self.args, **self.kw)
 
 class InteractorMethod(Method):
 
@@ -174,6 +178,37 @@ class FieldValueInteractor(Interactor):
     Form.purgeFieldValueCache()
     ProxyField.purgeFieldValueCache()
 
+class TypeInteractorExample(Interactor):
+  def __init__(self, portal_type):
+    self.portal_type = portal_type
+
+  def install(self):
+    from Products.CMFCore.TypesTool import TypesTool
+    self.on(TypesTool.manage_edit).doAfter(self.doSomething)
+
+  def doSomething(self, method_call_object):
+    if self.portal_type == method_call_object.instance.portal_type:
+      pass
+      # do whatever
+
+class InteractorOfInteractor(Interactor):
+
+  def __init__(self, interactor):
+    self.interactor = interactor
+
+  def install(self):
+    self.on(interactor.doSomething).doAfter(self.doSomething)
+
+  def doSomething(self, method_call_object):
+    pass
+
+
+#test = AqDynamicInteractor()
+#test.install()
+
+
+#interactor_of_interactor = InteractorOfInteractor(test)
+#interactor_of_interactor.install()
 # This is used in ERP5Form and install method is called in ERP5Form
 fielf_value_interactor = FieldValueInteractor()
-#fielf_value_interactor.install()
+fielf_value_interactor.install()