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https://issues.apache.org/jira/browse/MYFACES-4115?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15994318#comment-15994318
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Leonardo Uribe commented on MYFACES-4115:
-----------------------------------------
I started this one some days ago, with the expectation that this one could be
easily solved, but later I found that implement the spec javadoc "as is" does
not work.
The problem starts in this example:
{code:xml}
<h:form id="mainForm">
<h:selectOneRadio id="radio0" group="someGroup"
value="#{selectOneGroupBean.selectedValue}">
<f:selectItems value="#{selectOneGroupBean.myValues}" />
</h:selectOneRadio>
<h:selectOneRadio id="radio1" group="someGroup" />
<h:selectOneRadio id="radio2" group="someGroup" />
<br/>
<h:outputText value="Selected Value:
#{selectOneGroupBean.selectedValue}"/>
<br/>
<h:commandButton value="Submit"
actionListener="#{selectOneGroupBean.update}"/>
</h:form>
{code}
The rendered markup by Mojarra (RI) is this:
{code:xml}
<input type="radio" name="mainForm:someGroup" id="mainForm:radio0"
value="mainForm:radio0:A A" />
<label for="mainForm:radio0"> A A</label>
<input type="radio" name="mainForm:someGroup" id="mainForm:radio1"
value="mainForm:radio1:B-B" />
<label for="mainForm:radio1"> B-B</label>
<input type="radio" name="mainForm:someGroup" id="mainForm:radio2"
value="mainForm:radio2:C_C" />
<label for="mainForm:radio2"> C_C</label>
{code:xml}
Take a look at the "value" attribute. It appends the clientId and the value.
This means when decode() happens, only the component with the right clientId
takes the value. But please note only radio0 has the EL expression pointing to
the model. Which means at some point setSubmittedValue(...) is called, but if
is not in decode(), when?
There is also another problem caused by submitted values not processed by the
validation step. The spec talks about skip processValidation(...) with some
conditions, to avoid validation step over components that does not have the
validators and the EL "value" expression.
In my opinion this part is unstable. I guess I could find more holes in it, but
by some reason the implementation in Mojarra works, at least for the basic
example.
> Implement h:selectOneRadio "group" (distributed radio button)
> -------------------------------------------------------------
>
> Key: MYFACES-4115
> URL: https://issues.apache.org/jira/browse/MYFACES-4115
> Project: MyFaces Core
> Issue Type: New Feature
> Reporter: Leonardo Uribe
> Assignee: Leonardo Uribe
>
> Implement h:selectOneRadio "group" (distributed radio button)
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