[jsr-314-open] Ajax: Include View State For Forms That Are Partial Render Targets

[Ted Goddard]

If the ViewState is not being updated during Ajax requests, shouldn't
form1 still have the same ViewState from when the page was initially
rendered?

Ted.

On 19-Jun-09, at 4:25 PM, Dan Allen wrote:

>
>
> On Fri, Jun 19, 2009 at 3:07 PM, Roger Kitain <Roger.Kitain at sun.com>  
> wrote:
> Background:
>
> It used to be that when processing an Ajax response on the client,  
> all forms in the view
> would get updated with the view state from the server (which had  
> it's own set of portlet
> related issues).  Before the specification went final it was decided  
> that only the submitting form should have it's view state updated  
> from the server.
>
> Problem:
>
> Consider the case where there are multiple forms in the view, and  
> one of the forms
> is a partial render target.  So here, "form1" is an Ajax render  
> target:
>
> <h:form id="form1">
>  <h:commandButton value="Should be postback" id="button1"/>
> </h:form>
>
> <h:form id="form2">
>  <h:commandButton value="Rerender form1" id="button2">
>     <f:ajax render=":form1"/>
>  </h:commandButton>
> </h:form>
>
> In this scenario, "form1" is missing the view state identifier  
> causing a
> "non postback" when "button1" is clicked.
>
> -----------------------
>
> I think this could get by as an errata for the MR, as we would need  
> to include additional
> spec language.
>
> +1. We need to be very sensitive about these "ghost clicks" because  
> that issue has really spurned JSF users in the past.
>
> -Dan
>
> -- 
> Dan Allen
> Senior Software Engineer, Red Hat | Author of Seam in Action
>
> http://mojavelinux.com
> http://mojavelinux.com/seaminaction
> http://in.relation.to/Bloggers/Dan
>
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