Posted by Hank Ratzesberger on
URL: https://discuss.orbeon.com/How-can-I-get-at-the-document-url-tp44819p44825.html

Hi Mathias,

On Jul 31, 2009, at 2:34 AM, Mathias Picker wrote:

> What would be the right way to get at the document url of the xforms
> document? I only find fn:document-uri(), but can I get at the xforms
> document with xpath, or only at instances defined in the model?
>
> Do I need to escape into javascript for this?

When you say JavaScript, I suppose you mean to get at document
using it.  Orbeon provides a way for you to get values of
controls and dispatch events:

http://wiki.orbeon.com/forms/doc/developer-guide/xforms- 
extensions#TOC-JavaScript-Integration

It is not difficult to pass an instance to javascript by
converting the xml to text and holding it in a (hidden) input
control. I use xxforms:serialize as html, I recall it creates
line breaks that make parsing it in JavaScript better. Roughly:

  <xforms:bind nodeset="text" type="xs:string"
   calculate="xxforms:serialize( instance('my-instance'), 'html' )"/>

...

  var xml = GXml.parse(text); // Google Map API to parse xml


I don't know that you can get the xforms document in JavaScript,
and indeed, the "real" document is on the server, where the full
XPath 2.0, etc., environment is assured.

Hope I understood your question,
Hank


Hank Ratzesberger
NEES@UCSB
Institute for Crustal Studies,
University of California, Santa Barbara
805-893-8042







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