[Zope-CMF] Re: [dev] newstyle content creation

Martin Aspeli optilude at gmx.net
Tue Apr 22 17:54:28 EDT 2008

Hi Yuppie,

> Implementing newstyle content factories[1] and using events for content 
> creation[2] made it much easier to create content without using 
> invokeFactory and friends.


> These steps are still necessary:
> - check portal_type exists (*)
> - check allowType(portal_type) for the container (*)
> - get factory name for portal_type (*)
> - get IFactory utility for the factory name
> - use factory for creating an object
> - set object's portal_type (*)
> - set other object attributes if necessary
> - send ObjectCreatedEvent
> - add the object to the container using _setObject
> The steps marked with (*) are CMF specific.


> Today I checked in a formlib based add view for File objects[3].

Have you looked at z3c.form at all? There's a package called 
plone.z3cform that provides Zope 2 integration for this (it shouldn't be 
Plone specific beyond that). I'm only asking since people seem to be 
going in this direction.


Author of `Professional Plone Development`, a book for developers who
want to work with Plone. See http://martinaspeli.net/plone-book

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