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http://issues.apache.org/jira/browse/TOMAHAWK-826?page=comments#action_12460073
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Alex Savitsky commented on TOMAHAWK-826:
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Is this a sandbox component? I only looked at the released components, so must
have missed that one.
Still, it's not so clear with the "if" component, either - what kind of
condition would I put there? It would be something on the lines of "#{empty
facesContext.messages[targetControlId] ? 'normalStyle' : 'errorStyle'}", but
where would I get the targetControlId (the Id of control being labeled, that
is) from, without resorting to "forceId"?
> Improve outputLabel component to have a different CSS class in case of an
> error
> -------------------------------------------------------------------------------
>
> Key: TOMAHAWK-826
> URL: http://issues.apache.org/jira/browse/TOMAHAWK-826
> Project: MyFaces Tomahawk
> Issue Type: Improvement
> Reporter: Alex Savitsky
> Priority: Minor
> Attachments: HtmlFlaggableLabelRenderer.java
>
>
> Currently, the only visual cue for validation errors is to display validation
> messages using <t:messages />. However, quite often there's a different
> requirement for error flagging, namely to identify the field labels (e.g.,
> make them red) if the field has an error. This behavior cannot be achieved
> using available controls, and therefore I propose to enhance an existing
> Label control with this functionality. All it would have to do is to set a
> specified CSS class (and/or CSS style) on a label component, if the field
> referenced with the "for" attribute has an error.
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