> Hi all,
>
> I have a page which iterates over a collection of questions,
> with each question having a number of radio buttons which can
> be used to select the answer to that question. For example:
>
> Question 1: Unanswered O Yes O No O
> Question 2: Unanswered O Yes O No O
> etc..
>
> If the question has already been answered previously when the
> pages loads then the appropriate Yes/No is selected;
> otherwise Unanswered is selected.
> I've got this working fine using the following:
>
> class Question {
> long id;
> String name;
> String answer;
> }
>
> class ViewQuestionsAction {
> List<Question> questions;
> Map<String,String> answersMap; // key == value at the
> moment because didn't seem to work with int keys
>
> <s:set name="answersMap" value="%{answersMap}"/> <s:iterator
> value="questions">
> <s:property value="name"/>
> <s:radio name="%{id}" value="%{answer}"
> list="#answersMap"/> </s:iterator>
>
> I need the name=%{id} bit so that I can group the radio
> buttons per question. And this is the problem, because then I
> can't find a way for when you submit the form to receive an
> array of the selected buttons into the target action. The
> above works on page load (grouped nicely), but on submit I
> get all kinds of OGNL errors complaining about long id
> invalid expressions (understandable I guess). But when I
> choose a sensible name, for example:
>
> <s:radio name="responses" value="%{answer}" list="#answersMap"/>
>
> I get an array of selected buttons in the target action's
> responses property on submit but the radio grouping isn't
> working - you can only select on radio button from the whole
> page because they all share the same name element in the
> HTML. I then tried:
>
> <s:radio id="ViewQuestions_responses" name="%{id}" value="%{answer}"
> list="#answersMap"/>
>
> To try and force struts to set the responses property, but it
> still tries to set the property from the name. Which makes me
> think: if struts always uses the name to set the property,
> and the browser always groups the radio buttons based on the
> same name, is what I'm trying to do even possible?!?!
>
> Any help gratefully received :)
>
> Many thanks
> James
>
>
>
>
> --
> View this message in context:
> http://www.nabble.com/Radio-button-grouping-in-Struts-2-tp2336
> 5502p23365502.html
> Sent from the Struts - User mailing list archive at Nabble.com.
>
>
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>
You could, instead of relying on Struts2 to automatically call the
proper set* routines on submit, implement Preparable and manually parse
the results in the prepare() function, which is called BEFORE any set*
functions.
~Jonathan
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