Many SelectOneMenuRadio in a forEach [duplicate] - jsf

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input component inside ui:repeat, how to save submitted values
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Closed 7 years ago.
I have a bean called Question with a lot of alternatives -->
Question have 1:N Alternative.
I have a Page with a lot of Question, like:
Page have 1:N Question
I need create a XHTML page showing the amount of questions and your alternatives, like this:
<c:forEach var="questaoCurso"
items="#{cursandoMB.paginaAtualProva.questoesCurso}">
<h:outputText value="#{questaoCurso.questao.texto}" />
<br />
<h:selectOneRadio style="font-weight: normal"
value="#{cursandoMB.alternativasEscolhida}" layout="pageDirection">
<f:selectItems value="#{questaoCurso.questao.alternativasPreenchidas}"
var="c"
itemValue="#{c}"
itemLabel="#{c.texto}" />
</h:selectOneRadio>
<br />
<br />
</c:forEach>
The problem is that I don't know how I can set each choose alternative in a List in my ManagedBean. I can't create one variable for each Question, because this is dynamic and I don't know the amount of questions in design-time.
SOLVED:
I used a Map in RadioButton, see:
<h:selectOneRadio
value="#{cursandoMB.alternativasEscolhidas[questaoCurso]}" converter="entityConverter" layout="pageDirection">
<f:selectItems
value="#{questaoCurso.questao.alternativasPreenchidas}" var="c"
itemValue="#{c}" itemLabel="#{c.texto}" />
</h:selectOneRadio>

Answer 1

First, You must not mix render-time (e.g. f:selectItems, h:inputText ...) and build-time tags (JSTL tags, f:actionListener, ui:include ... ), for more understanding of the view build time and render time concepts and how that works please take a look to this BalusC's answer: JSTL in JSF2 Facelets... makes sense?
So IMO the only thing to replace is the c:forEach tag with ui:repeat like this:
<ui:repeat var="questaoCurso"
value="#{cursandoMB.paginaAtualProva.questoesCurso}">
<h:outputText value="#{questaoCurso.questao.texto}" />
<br />
<h:selectOneRadio style="font-weight: normal"
value="#{cursandoMB.alternativasEscolhida}" layout="pageDirection">
<f:selectItems value="#{questaoCurso.questao.alternativasPreenchidas}"
var="c"
itemValue="#{c}"
itemLabel="#{c.texto}" />
</h:selectOneRadio>
<br />
<br />
</ui:repeat>
The value attribute of ui:repeat Tag is:
The name of a collection of items that this tag iterates over. The
collection may be a List, array, java.sql.ResultSet, or an individual
java Object. If the collection is null, this tag does nothing.
So you can use a List of Object in that value which in your case will be a List of Question objects, and in your Question bean you can include a List of answers (while Answer may also be a bean).