[ZDP] Edited version of Principia Draft FAQ
Fri, 05 Mar 1999 10:21:40 +0100
* What is a Principia Draft?
A Principia Draft is a special copy of any Zope object, that is
invisible to visitors of your site. You can make changes to this copy,
and grant access to outsiders to view your changes (or work along with
you). When all changes are done, you can approve all the changes, or
discard them. Approving will make the changes permanent and visible to
your audience. However, currently Drafts can appear to be broken.
To add a draft, choose Principia Draft from the popup menu and click
'Add'. Next, you will have to supply an ID for the Draft, and specify on
what base object you are going to work. Clicking 'Add' in this screen
will create the Draft for you. Next, you will have to specify who will
have access to the Draft.
Here the problem starts, because of the way Drafts are managed. First, a
Draft doesn't acquire any users from it's parent, so you will have to
add anyone who has to have access explicitly, even if they have already
been access to a parent Folder. But the biggest problem is that you
can't reach the UserFolder and Approval screens via the management
screens. This will make a Draft a bit harder to use, but it still is
This second problem is caused by convention changes in the Folder object
(or the ObjectManager class really, used by Folder). I think that Folder
objects *used* to call 'title_and_id' on a object when displaying it in
it's management screen, but the current release of Zope constructs the
id and title of an object by using its id and title separately.
Principia Drafts made use of the call to 'title_and_id' to insert links
to its UserFolder and Approval management screens. As this now doesn't
happen anymore, you will have to type in the URLs to the screens
You can reach the screens calling the Draft object's
users__draft__.manage_main and 'manage_approve__draft__' methods. The
So, the next step is typing in the URL to the Draft's UserFolder
management screen, and adding all users that should have access to the
Draft. These users can now edit and view all changes made to this Draft.
When done, you go to the manage_approve__draft__ management screen, and
approve, or discard the changes.
M.J. Pieters, Web Developer
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