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repeat: Last elements not deletable with relevant=""

From: Lorenzo De Tomasi <lorenzo.detomasi@gmail.com>
Date: Fri, 20 Jul 2007 12:18:37 +0200
Message-ID: <5c2a5c380707200318s6e15416bg11cee61f182b7e3c@mail.gmail.com>
To: www-forms@w3.org

I'm trying to make an xform that works like Gmail contacts (
http://sinapsi.isotype.org/describe_person.xhtml ).
I would like to block deleting of all the items: i.e. if there is only
one section it cannot be deleted and if, in a section, there is only
one contact, it cannot be deleted (as in Gmail) .
I know that the solution is to disable the delete triggers using
relevant="...".

Aaron Reed, a member of Mozilla xforms mailing list, has sent me this
example: http://sinapsi.isotype.org/xforms/relevant.xhtml

Junk doesn't store anything in this case.  It is just the instance
data node that the relevancy state is managed on.

I think it's redundant, superfluous for this simple, useful and (for
sure) very used task.
If I omit nodeset="junk", the xforms plugin hides the delete trigger,
but it doesn't display the relative field.
I would like to suggest to the xform team the necessity to make more
understandable this function and to make it easier to implement for
dummies in future versions of xforms, also by adding a specific
command for this. I think it will be better if it will be implemented
as default and if a it can be disabled in specific cases.

What do you think?

Aaron has told me that probably this issue has already been presented
to the W3C, but we were unable to find it in their archive. Where can
I find more infos?

Thank you very much

-- 
Lorenzo De Tomasi
Designer multimodale
http://www.ipernico.it
http://www.isotype.org (in costruzione)
Received on Friday, 20 July 2007 10:18:42 GMT

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