Re: [Coefficient-devel] Asynchronous JavaScript -AJAX

[Miguel P. <mr_...@ho...>]

I'll see if I can do it via the page.process

Thanks

-----Original Message-----
From: coe...@li...
[mailto:coe...@li...] On Behalf Of pieter
van zyl
Sent: Wednesday, September 20, 2006 11:46 AM
To: Miguel Perez
Cc: coe...@li...
Subject: Re: [Coefficient-devel] Asynchronous JavaScript -AJAX

My vote goes to Page.process(

On Wed, 2006-09-20 at 11:37 -0400, Miguel Perez wrote:
> Pieter,
> 
> Thanks for pointing me in the right direction. The objective is to be able
> to do a response.getWriter().write("some text") so the web browser can
read
> the response "some text".
> 
> I was not sure if I should modify CoefficientServlet or
> CoefficientWebContext.
> 
> 
> If you (or anyone on the forum) has any other idea, I would appreciate it.
> 
> Regards
> 
> 
> -----Original Message-----
> From: pieter van zyl [mailto:pv...@cs...] 
> Sent: Wednesday, September 20, 2006 11:17 AM
> To: Miguel Perez
> Cc: coe...@li...
> Subject: Re: [Coefficient-devel] Asynchronous JavaScript -AJAX
> 
> I don't know AJAX.
> 
> And now I am going to guess......
> 
> I would suggestion modifying CoefficientServlet.
> 
> Or
> CoefficientServlet.execute() {..........
> CoefficientWebContext ctx = new CoefficientWebContext(request,
> response);
>             interceptor.invoke(ctx);
>             // synchronize with CoefficientContext (reset session
> variables,
>             // update cookies, forward if needed, etc...)
>             ctx.synchronize(request, response);
> 
>             // Write out the page content
>             ctx.getPage().process(response.getWriter());
> ..........
> }
> 
> one could modify the response in page.process method, where we are
> building and adding the page layouts.
> 
> 
> Hope this helps a bit.....
> 
> On Tue, 2006-09-19 at 17:18 -0400, Miguel Perez wrote:
> > I'm trying to write a javascript using AJAX to return some values from
> > the server.
> > 
> >  
> > 
> > For example
> > 
> >  var req;
> > 
> >  
> > 
> > function validate() {
> > 
> >    var idField = document.getElementById("userid");
> > 
> >    var url = "validate?id=" + escape(idField.value);
> > 
> >    if (window.XMLHttpRequest) {
> > 
> >        req = new XMLHttpRequest();
> > 
> >    } else if (window.ActiveXObject) {
> > 
> >        req = new ActiveXObject("Microsoft.XMLHTTP");
> > 
> >    }
> > 
> >    req.open("GET", url, true);
> > 
> >    req.onreadystatechange = callback;
> > 
> >    req.send(null);
> > 
> > }
> > 
> >  
> > 
> > My question is how do I get the values back from coefficient.  I can
> > execute the methods and a module but I don't have access to
> > response.getWriter from ctx.
> > 
> >  
> > 
> > Do I need to write a next class, modify CoefficientServlet, or is
> > there a way to do this via ctx (coefficientcontext)?
> > 
> >  
> > 
> > Any help would be deeply appreciated.
> > 
> >  
> > 
> > regards
> > 
> >  
> > 
> > 
> >
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