smoove_e wrote:
the problem applies only to registered users, who still
shouldn't
> be able to navigate backwards into a breadcrumb trail
(in certain
> circumstances; e.g. as outlined below).
>
> Is it possible to disable breadcrumbs only for specific
pages?
> If so, anyone have the syntax to perform this?
> (Perhaps an expansion of the code provided below)
Wendi,
Since the breadcrumbs is hierarchical, what I don't
understand is how
you ever end up in a situation where you're looking at
object X which
you've got permission to look at, while folder Y is
appearing in the
breadcrumb trail which you don't have permission to look at.
Surely in this case when you try to access object X,
it'll try to
traverse down via folder Y and on hitting Y will not let you
any
further. (Unless you've done something a bit too clever with
the
permissions...)
In other words, if you're looking at X, then obviously
you MUST be
able to see everything above X, in order to get to X. So how
could the
breadcrumbs possibly contain something you're not meant to
see? 
The breadcrumbs is autogenerated just like navigation.
You'd have to
make your own version to get it to do what you're asking.
Maybe I'm not understanding you correctly but it seems to
me :
1) You may be able to achieve what you want by just
rearranging your
site a bit
and/or
2) You may have done something a bit strange with your
permissions
and/or
3) Its possible (though unlikely) you may have stumbled
across a bug in
Plone.
Hope this helps....
Regards,
Nick
--
Nick Davis
Web Application Developer
University of Leicester
http://www2.le.ac.uk
http://ebulletin.le.ac.uk
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