Then how about renaming the "name" attribute to "list", since, as you
said, it is a reference to a list object, and no longer the name of a
list object? It still seems silly to me to have an attribute that can
never be used without escaping the value with ${}, but it's not my
project. :)
On Thu, 2004-03-11 at 10:43, Fabrizio Giustina wrote:
> Right, you will never use <display:table name="userList"> without ${}...
>
> the "name" attribute expects a reference to a list object: in the "old style" this
> was done using a custom sintax, in the EL version this is done using the standard
> expression language. It works in the same way all the other jstl tags work.
> If you need your list to be choosen dinamically you can set a different variable
> before the display:table tag.
>
> Sorry Tim, but I still don't think that using el to generate an expression which is
> then re-evaluated using a different sintax can be a good design...
>
> fabrizio
>
>
> ________________________________
>
> From: [EMAIL PROTECTED] on behalf of Tim McCune
> Sent: Thu 11/03/2004 16.36
> To: [EMAIL PROTECTED]
> Subject: RE: [displaytag-devel] EL Tag and getting lists in the "name"attribute
>
>
>
> Fabrizio, that seems wrong. With that implementation, when would you
> ever use the "name" attribute without ${}? A proper implementation
> should look like either:
>
> <display:table name="userList">
>
> or
>
> <display:table name="${listName}">
>
> The second case uses double indirection, so it would only be used in a
> situation where you have several different lists in the page context
> that you can choose from, keyed by names, and the name of the list you
> choose needs to be dynamic. Granted, this is a very odd-sounding use
> case, but it could happen. The reason that EL tags seem weird in this
> case is because the value of the "name" attribute should be a variable
> reference. EL tags make much more sense in attributes that are
> constants, e.g.
>
> <display:table name="userList" cellspacing="${cellspacing}">
>
> On Thu, 2004-03-11 at 10:19, Fabrizio Giustina wrote:
> > yes, this is absolutely intentional, see my first mail on the thread:
> > http://sourceforge.net/mailarchive/message.php?msg_id=7406316
> >
> > fabrizio
> >
> > ________________________________
> >
> > From: [EMAIL PROTECTED] on behalf of Matt Raible
> > Sent: Thu 11/03/2004 16.04
> > To: [EMAIL PROTECTED]
> > Subject: [displaytag-devel] EL Tag and getting lists in the "name" attribute
> >
> >
> >
> > One thing I noticed with the nightly build. Before I was using the
> > following with the EL tag and it worked:
> >
> > <display:table name="userList" cellspacing="0" cellpadding="0"
> >
> > Now I have to use:
> >
> > <display:table name="${userList}" cellspacing="0" cellpadding="0"
> >
> > I just want to make sure this is intentional. I'll update my code to
> > reflect this (as it makes sense). I guess my main question is - will
> > this change or is this behavior from here on out. Will the name in the
> > EL tag always require ${}? If I try to use name="userList", I get:
> >
> > Exception: [.LookupUtil] Error looking up property "username" in object
> > type "java.lang.String"
> > Cause: Unknown property 'username'
> >
> > Thanks,
> >
> > Matt
> >
> >
> >
> >
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> >
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>
>
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