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Posted to user@struts.apache.org by Oleg Mikheev <mi...@bigfoot.com> on 2010/06/13 20:02:28 UTC
tag attributes evaluation
Guys,
It took me some quite some time to understand how to pass a
dynamic value to a textfield label.
It appeared that I needed to use this strange notation: %{#var}
like this:
<c:set var="ro" value="qwe" scope="request"/>
<s:textfield name="username" label="%{#request.ro}" />
I haven't found any description that would list which
Struts2 tag attributes accept dynamic values and which
require 'force evaluation'.
The only resource that mentioned it was Dave Newton's letter
http://old.nabble.com/Re%3A-S2-tags---dynamic-attributes-p19292043.html
I really think that this notation must be documented
specifically on this page:
http://struts.apache.org/2.1.8.1/docs/ognl.html
Oleg
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Re: tag attributes evaluation
Posted by Lukasz Lenart <lu...@googlemail.com>.
2010/6/13 Oleg Mikheev <mi...@bigfoot.com>:
> Guys,
>
> It took me some quite some time to understand how to pass a
> dynamic value to a textfield label.
> It appeared that I needed to use this strange notation: %{#var}
> like this:
>
> <c:set var="ro" value="qwe" scope="request"/>
> <s:textfield name="username" label="%{#request.ro}" />
>
> I haven't found any description that would list which
> Struts2 tag attributes accept dynamic values and which
> require 'force evaluation'.
> The only resource that mentioned it was Dave Newton's letter
> http://old.nabble.com/Re%3A-S2-tags---dynamic-attributes-p19292043.html
>
> I really think that this notation must be documented
> specifically on this page:
> http://struts.apache.org/2.1.8.1/docs/ognl.html
Thanks, I already added your comments (just before Collections section)
https://cwiki.apache.org/confluence/display/WW/OGNL
for future please create a ticket
https://issues.apache.org/jira/browse/WW
Kind regards
--
Łukasz
+ 48 606 323 122 http://www.lenart.org.pl/
Kapituła Javarsovia 2010 http://javarsovia.pl
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RE: tag attributes evaluation
Posted by Martin Gainty <mg...@hotmail.com>.
admittedly the doc isnt perfect but i should point out.. the available docs are ALOT more comprehensive and ALOT easier to navigate than many apache sites.. that said
since you have all the build scripts you *have* the ability to create your own javadocs and post them..just remember to put relevant disclaimers / copyrights on bottom
when your site has higher traffic than official struts-site (and your doc is more accurate) then the people who *are supposed to* commit the errata will update the official docs
to keep the IP attorneys happy ..it is a professional courtesy (and a very good idea) to retain the authors name on any posted material..
Martin Gainty
______________________________________________
Standard Caveats Apply
> Date: Mon, 14 Jun 2010 16:39:34 -0400
> From: dale@newfield.org
> To: user@struts.apache.org
> CC: emilu@encs.concordia.ca
> Subject: Re: tag attributes evaluation
>
> On 6/14/10 4:25 PM, Emi Lu wrote:
> > On 06/14/2010 09:59 AM, Dale Newfield wrote:
> >> On 6/13/10 2:02 PM, Oleg Mikheev wrote:
> >>> I really think that this notation must be documented
> >>> specifically on this page:
> >>> http://struts.apache.org/2.1.8.1/docs/ognl.html
> >>
> >> It's a wiki. Please feel free to offer the modifications you think are
> >> appropriate.
> >>
> > Not really. Only specified people are allowed to edit the wiki page.
> >
> > I got:
> > You are not permitted to perform this operation.
>
> Whoops. This is correct, you need to have filed a CLA to get edit
> rights...but you should be able to add a comment with the suggested
> changes which hopefully will get folded in before the next release:
>
> https://cwiki.apache.org/confluence/display/WW/OGNL?showComments=true&showCommentArea=true#addcomment
>
> (note, cwiki.apache.org hosts the source wiki that's used to generate
> the version-specific one hosted at struts.apache.org ).
>
> -Dale
>
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Re: tag attributes evaluation
Posted by Dale Newfield <da...@newfield.org>.
On 6/14/10 4:25 PM, Emi Lu wrote:
> On 06/14/2010 09:59 AM, Dale Newfield wrote:
>> On 6/13/10 2:02 PM, Oleg Mikheev wrote:
>>> I really think that this notation must be documented
>>> specifically on this page:
>>> http://struts.apache.org/2.1.8.1/docs/ognl.html
>>
>> It's a wiki. Please feel free to offer the modifications you think are
>> appropriate.
>>
> Not really. Only specified people are allowed to edit the wiki page.
>
> I got:
> You are not permitted to perform this operation.
Whoops. This is correct, you need to have filed a CLA to get edit
rights...but you should be able to add a comment with the suggested
changes which hopefully will get folded in before the next release:
https://cwiki.apache.org/confluence/display/WW/OGNL?showComments=true&showCommentArea=true#addcomment
(note, cwiki.apache.org hosts the source wiki that's used to generate
the version-specific one hosted at struts.apache.org ).
-Dale
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Re: tag attributes evaluation
Posted by Emi Lu <em...@encs.concordia.ca>.
On 06/14/2010 09:59 AM, Dale Newfield wrote:
> On 6/13/10 2:02 PM, Oleg Mikheev wrote:
>> I really think that this notation must be documented
>> specifically on this page:
>> http://struts.apache.org/2.1.8.1/docs/ognl.html
>
> It's a wiki. Please feel free to offer the modifications you think are
> appropriate.
>
Not really. Only specified people are allowed to edit the wiki page.
I got:
You are not permitted to perform this operation.
--
Lu Ying
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Re: tag attributes evaluation
Posted by Dale Newfield <da...@newfield.org>.
On 6/13/10 2:02 PM, Oleg Mikheev wrote:
> I really think that this notation must be documented
> specifically on this page:
> http://struts.apache.org/2.1.8.1/docs/ognl.html
It's a wiki. Please feel free to offer the modifications you think are
appropriate.
-Dale
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