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Date: Thu, 11 Dec 2008 14:13:43 -0800 (PST)
From: Dave Newton <newton.dave@yahoo.com>
Reply-To: newton.dave@yahoo.com
Subject: Re: Nested-tag support
To: Struts Developers List <dev@struts.apache.org>
In-Reply-To: <200812112247.05652.andreak@officenet.no>
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Message-ID: <404449.96363.qm@web110615.mail.gq1.yahoo.com>

--- On Thu, 12/11/08, Andreas Joseph Krogh wrote:
> On Thursday 11 December 2008 22:36:37 Musachy Barroso wrote:
> > I am sort if confused here, what are the advantages of this?
> <s:form name=3D"myForm">
>   <s:push value=3D"person.address">
>  =A0  <s:textfield name=3D"street"/>
>  =A0</s:push>
> [...]

The issue is the generation of the form element name, the input element val=
ue stuff would already work.

If push kept a stack of the names of pushed elements it could be used to ge=
nerate the "name" attribute--but wouldn't you'd have to correlate with the =
depth at which getStreet() was found?

Let's say person.address didn't have a "street" property: currently the val=
ue stack would be searched until a getStreet() is found or the stack runs o=
ut. So you'd have to either change the semantics of value stack lookups (ba=
d, and would break modelDriven, and probably a bunch of other things) or pr=
ovide a way to match pushed objects' names with where objects are found on =
the stack.

That paragraph made sense in my head, and I'm pretty sure I know what I mea=
n, but it's not coming out particularly well.

Dave


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