W3C home > Mailing lists > Public > www-forms@w3.org > February 2006

What is the best way to send arguments not in the model?

From: Flinton Adam <Adam.Flinton@cfh.nhs.uk>
Date: Thu, 2 Feb 2006 21:24:13 -0000
Message-ID: <595299DD7F30014BBCE48B93DCB60652039EB5F4@EXCHAQ2.nhsia.nhs.uk>
To: <www-forms@w3.org>

Dear All,

We have a system which uses XSLT to Transform some XML into XHTML. When
the transform runs, it takes a note of the Xpath to that element in the
XML & puts it into the XHTML as a link to a popup which is used to edit
that small chunk of a much larger document.


1) The Servlet loads the XML file & holds onto it as a DOM in a
hashtable key'ed using it's url/filepath-name. 
2) The XML is then rendered into a viewable (XHTML form) via an XSLT
3) The XLST puts in the Xpath of the pretransformed XML element into the
XHTML as a link.
4) Clicking on that link makes the servlet use Xpath to pull the
contents of the XML element out as string & send it to a popup.
5) You do your editing in the pop-up
6) Clicking save posts the (changed) contents back to the servlet as
string & it is placed back into the DOM using the same Xpath which
originally extracted it.

Wht I am wondering wrt Xpath is that we need to post back various hidden
form values such as the xpath, the url of the file (which is the key to
get the relevant DOM) & a value to say it's a op-up posting back so
plaease put it into that DOM using this XPATH.

Given I would like to use Xforms to do this as I can save on
transforming XML > XHTML > XML in the popup, where would I be best off
putting these values?

i.e. at present the servlet would simply receive the XML Instance w/o
the relevant url & xpath to insert it back in.

I can obviously create a 2nd model to store the information as it comes
in so I can post it back, however it's the actual posting back I am
asking about i.e. is my only option to put these values within the url I
am posting e.g. some kind of MyServletURL/?xpath=/mynode/ etc?



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Received on Thursday, 2 February 2006 21:24:20 UTC

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