[jbossseam-issues] [JBoss JIRA] Commented: (JBSEAM-1913) EL with parameters not work in a <ui:composition> facelet component

Tue Apr 15 02:48:54 EDT 2008

    [ http://jira.jboss.com/jira/browse/JBSEAM-1913?page=comments#action_12408809 ] 

Shane Fitzgibbon commented on JBSEAM-1913:
------------------------------------------

This is a facelets issue and not a SEAM bug. What you are trying to do is pass a Method Binding to your facelets composition, however this is not supported as facelets will always pass it as a ValueBinding to the composition.

Andrew Robinson has posted a blog entry on this at http://andrewfacelets.blogspot.com/2006/06/creating-composite-controls-with-jsf.html and he has described some facelets extensions that he has developed to allow the passing of MethodBindings into facelet compositions/components.

Rick Hightower also mentioned this shortcoming of facelets in an article (http://www-128.ibm.com/developerworks/java/library/j-facelets/) where he provides a workaround for the problem. See the "Passing Actions" section towards the end of the article.

I hope this helps a little but you have probably moved on from this problem by now. At the very least this issue could be closed.

> EL with parameters not work in a <ui:composition> facelet component
> -------------------------------------------------------------------
>
>                 Key: JBSEAM-1913
>                 URL: http://jira.jboss.com/jira/browse/JBSEAM-1913
>             Project: Seam
>          Issue Type: Bug
>          Components: EL
>    Affects Versions: 1.2.1.GA
>         Environment: Windows or Linux, Java 6, Tomcat 6.0.14
>            Reporter: Gilliard Cordeiro
>         Assigned To: Norman Richards
>             Fix For: 2.1.x
>
>
> EL with parameters not work in a <ui:composition> facelet component. The value of parameters is available in a <h:outputText>, for instance, but is null when executing a Java action methods.

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