Re: XML Schemas [Xydra driving XHTML form to create XML document instance based on XML Schema]

Hi, thanks for your replies.
We'll look into Xydra and XMLSchema.

Thansk for your help!

Patrick Smith

On Thu, 2005-09-15 at 11:37 -0500, Aleksander Slominski wrote:
> Patrick Smith wrote:
> 
> >My teammate and I are currently working on a web based XML editor (that
> >extracts XML files from rars/jars/wars and ears) to configure
> >applications running on an application server while they're still
> >deployed.
> >
> >One of the editor's views is a form based view. You can take a look at a
> >simple mock-up of the UI we are building at:
> >http://people.redhat.com/pasmith/third.html
> >
> >We are required to validate the XML against its associated schemas.
> >Though we also need to get information from the schema for the UI.  For
> >example, if the schema specifies that only 3 specific elements can be
> >added as children to an element, then the form will have a drop down
> >menu with only those 3 options.  
> >
> >My question is, are there any existing projects or APIs available that
> >will help in loading a schema and extracting such information.
> >  
> >
> hi Patrick,
> 
> you may want to take a look on Xydra (under BSD-like license)
> 
> http://www.extreme.indiana.edu/xgws/xydra/
> 
>  - it has a simple version of what you have in your mockup (no arrays 
> but nested complexTypes are supported) and uses this functionality to 
> generate XML instance document to send to service described in WSDL - we 
> have used a special XML instance tree building code - XML schema was 
> parsed to generate sample XML instance with placeholders to fill data-in 
> and then XHTML form was generated with each field name having XPath like 
> address where form filed value should go into XML instance. on top of it 
> we experimented with Protege and intelligent defaults/learning. all 
> source code is available and maybe you find some of those ideas useful 
> in your work and i think having AJAX-enabled XHTML form to create XML 
> instance document guided by XML Schemas would be very cool ;-)
> 
> best,
> 
> alek
>