[Framework-Team] plone.app.locking
Raphael Ritz
r.ritz at biologie.hu-berlin.de
Sun Dec 10 14:12:27 UTC 2006
Martin Aspeli wrote:
> Hi guys,
>
Hi Martin,
thanks for taking a lead on thsi!
> I took a look at the locking bundle last night (which doensn't seem to
> run, but the code doesn't seem too complicated).
>
it's true that it's broken ATM (more below)
> I'm in the process of making a plone.app.locking package which just
> moves the generic locking code out of the AT branch and provides a
> general adapter for the ILockable interface that supports locking using
> WebDAV locks. My understanding of WebDAV and its locks is not so great,
> but I believe this should work on all Zope 2/CMF objects that mix in the
> relevant support, not just Archetypes.
>
That's correct.
> To get the UI to work, I want to provide a couple of viewlets that (a)
> trigger the auto-lock when base_edit is found (b) remove the auto-lock
> when the base_edit form is unloaded (probably in JS) and
That's exactly what Jeff and I did and why it's broken ATM
(I think at least; doing AJAX on top of Zope 2 versus Zope 3's
templating engine seem to be incompatible). :-(
(Please, please prove me wrong ...)
> (c) provides
> the lock status/lock stealing form.
>
Basically this is all there. Seems to me that we are only talking
about some code re-arragnement.
> I imagine the (generalised) viewlet manager will be defined in AT, and
> that plone.app.locking will provide specific viewlets for the locking
> functionality. The actual functionality is found in a couple of views
> (as they are in the locking bundle) so that non-AT edit forms can just
> call the relevant things to get the lock support.
>
correct
> I don't fully understand how/if this will interact with iterate's locks,
> but I imagine they should be separate or that iterate could depend on
> plone.app.locking (expanded however necessary).
>
iterate also uses the WebDAV locks but the suggestion has been that
it should be harder if not impossible to steal a lock issued by iterate.
For that, we might need something like lock levels (or whatever)
in order to be able to distinguish locks.
> What do people think of this? The lock bundle was reviewed and
> principally accepted, though there were some concerns of AT
> invasiveness. By moving things around like this, I think we get around it.
>
> I would *like* to just commit plone.app.locking and merge the remaining
> support into AT and Plone without re-branching and re-bundling, to save
> time. I can do so if people ahve reservations, though.
>
+1 from me. (just do it ...)
Raphael
> Martin
>
>
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