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https://issues.jboss.org/browse/JBSEAM-3251?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12570375#comment-12570375
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Marek Novotny commented on JBSEAM-3251:
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ad 1) I guess you meant moving renderChildren up and not down, as it is the
last call in method now
> ValidateAllRendererBase not robust enough for dynamic components
> ----------------------------------------------------------------
>
> Key: JBSEAM-3251
> URL: https://issues.jboss.org/browse/JBSEAM-3251
> Project: Seam
> Issue Type: Bug
> Components: JSF Controls
> Affects Versions: 2.0.2.SP1, 2.0.3.CR1, 2.1.0.A1
> Environment: Any
> Reporter: Richard Kennard
> Priority: Minor
> Attachments: ValidateAllRendererBase.java
>
> Original Estimate: 30 minutes
> Remaining Estimate: 30 minutes
>
> org.jboss.seam.ui.renderkit.ValidateAllRendererBase has two minor problems
> (with easy fixes) that stop it working with highly dynamic components:
> 1. doEncodeChildren attaches its ModelValidators before calling
> renderChildren. This misses any subcomponents the children may themselves
> dynamically create during their encodeBegin phase. Moving renderChildren down
> fixes this
> 2. A ModelValidator is only attached if the component has no existing
> Validators. This seems a bit of a blunt instrument. Presumably the idea is to
> stop attaching multiple ModelValidators. If the component happens to have,
> say, a LengthValidator that shouldn't stop ModelValidator entirely.
> I have attached an updated ValidateAllRendererBase. It does not break any
> existing unit tests.
> Disclaimer: my vested interest in this is because of Metawidget
> (http://www.metawidget.org).
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