Hi Michael
Betreff: [Zope-dev] z3c.form: GroupForm and ModificationEvents
Hi,
it seems to me that z3c.form.group.GroupForm does not send enough ModificationEvents: only one event for the context of the GroupForm but not for each modified object in the groups.
In a project of mine I have the following situation: I have a folder with some contained objects. A GroupForm displays the schema fields of the folder and the ones of all contained objects. When I modify one of the fields of a contained object I would expect a ModifiedEvent for this object. (Is this a valid expectation?) But GroupForm sends only one ModifiedEvent for the Folder (context of the form). This is even wrong in my case. At least the ModifiedEvent-Subscriber in zope.dublincore can't handle this and wrongly marks only the folder as modified.
Do I have a very special use case which should be handled inside my project? Or should I change GroupForm to send a ModifiedEvent for each modified object?
I'm not using group forms so I can't say if it's wrong or right. But I have a question. Does the ISublocation adapter not dispatch the modified event to the containers items? Are you sure that you use the ISublocation adapter which will dispatch events to container items? If this will not help, I think it's not bad to implement such an event notification. Probably in a method or with a marker which allows others to simply disable the additional event notification. Regards Roger Ineichen
Yours sincerely, -- Michael Howitz · mh@gocept.com · software developer gocept gmbh & co. kg · forsterstraße 29 · 06112 halle (saale) · germany http://gocept.com · tel +49 345 1229889 8 · fax +49 345 1229889 1 Zope and Plone consulting and development
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