def handleCookieCrumblerEvent(ob, event):
""" Event subscriber for (un)registering a CC as a before traverse hook.
"""
if not ICookieCrumbler.providedBy(ob):
return
if IObjectMovedEvent.providedBy(event):
if event.newParent is not None:
# register before traverse hook
handle = ob.meta_type + '/' + ob.getId()
nc = BeforeTraverse.NameCaller(ob.getId())
BeforeTraverse.registerBeforeTraverse(event.newParent, nc, handle)
elif IObjectWillBeMovedEvent.providedBy(event):
if event.oldParent is not None:
# unregister before traverse hook
handle = ob.meta_type + '/' + ob.getId()
BeforeTraverse.unregisterBeforeTraverse(event.oldParent, handle)
def manage_afterAdd(self, item, container):
if item is self:
handle = self.meta_type + '/' + self.getId()
container = container.this()
nc = BeforeTraverse.NameCaller(self.getId())
BeforeTraverse.registerBeforeTraverse(container, nc, handle)
def addedNySite(ob, event):
""" A NySite was added """
handle = ob.meta_type + '/' + ob.getId()
nc = BeforeTraverse.NameCaller(ob.getId())
BeforeTraverse.registerBeforeTraverse(ob, nc, handle)
