Derek Richardson wrote:
Hey. I'm upgrading from 2.5.1 to 3.0.2 and have sharing tab issues.
My current (2.5.1) site uses roles 'Reader', 'Writer', and 'Owner'. These show
on the sharing tab and all my users understand them.
When I migrate to 3.0.2, I get 'can add', 'can edit', 'can view' and 'can
review'. My users will not understand these (my users have limited adaptive
expertise).
So, I want to revert to the old roles. I know I can add them as utilities ala
localroles.py and configure.zcml in plone.app.workflow. That's the note on page
85 of _Professional Plone Development_. (Thanks jonstahl for pointing me at this
note!).
The trick seems to be, not adding my new/old roles, but deleting the old/new
roles (the ones added in 3.0). I can write python code to unregister the
utilities (I think...). I know of no zcml directive to unregister a utility.
There isn't an official one, though zc.configuration has some "turn off"
ZCML behaviour.
This seems like a difficult (and, security-wise, somewhat scary) road to travel.
Is there a better way of accomplishing what I want ('Reader', 'Writer', and
'Owner' replacing 'can add', 'can edit', 'can view', and 'can review')?
The easiest way is with overrides.zcml. A slightly cleaner way is local
utilities. In both cases, you create a new utility which can rename the
role and/or give admin rights over it e.g. only to the Manager role (so
that it's effectively hidden). A slightly more hacky way would be to
restrict management of a particular local role to a role that doesn't
exist, so that no-one sees it.
BTW, what use is seeing the 'can add' role on the sharing page of an ATDocument?
This is an aside, but it struck me as strange and somewhat confusing...
No real use, but it'd be hard to predict all the situations in which a
role is non-sensical, so we can't make them conditional like that.
By the way - the Editor, Contributor, Viewer roles (whatever you want to
call them) are pretty fundamental and useful in Plone 3. I'd advice you
against disabling them.
Oh - and we should have a control panel to make this stuff TTW-mangable.
It's on my list for 3.1 if I can get to it (we didn't have time for 3.0)
but if someone wants to help ... :)
Martin
--
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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