[ http://issues.apache.org/jira/browse/MYFACES-189?page=history ]
Manfred Geiler updated MYFACES-189:
-----------------------------------
type: New Feature (was: Bug)
If you really want to add this feature, please do it in a derived
x:convertNumber tag/converter so that it is clearly separated as an extension
to specified standard behaviour.
> Valuebinding in Converter and Validator attributes do not work for dynamic
> beans
> --------------------------------------------------------------------------------
>
> Key: MYFACES-189
> URL: http://issues.apache.org/jira/browse/MYFACES-189
> Project: MyFaces
> Type: New Feature
> Versions: Nightly Build
> Reporter: Mathias Broekelmann
>
> It is not possible to use a value binding which references a dynamically
> created bean (like the row in a datatable) in the converter and validator
> tags. These valuebindings are evaluated at creation time (doStartTag() method
> in the tag).
> Here is an example which will not work:
> <h:datatable value="#{data.rows}" var="row">
> <h:column>
> <h:outputText value="#{row.numberValue}">
> <f:convertNumber minFractionDigits="#{row.numberScale}"/> <-- this will
> not work since row is not found.
> </h:outputText>
> </h:column>
> </h:datatable>
> I'will provide the patches if there will be an agreement that this should
> work. Since it is not a problem to evaluate the bindings at the right time
> (when converting or validating the value).
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