[richfaces-issues] [JBoss JIRA] (RF-12611) rich:dataTable doesn't call restoreState() on a row-level composite component

[Mark Cave-Ayland (JIRA)]

    [ https://issues.jboss.org/browse/RF-12611?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12736005#comment-12736005 ] 

Mark Cave-Ayland commented on RF-12611:
---------------------------------------

After a little bit of work, I've managed to set up a suitable development environment on my workstation which is capable of building RichFaces from source.

I can now confirm that making the following change to requiresRowIteration() in UIDataAdapter.java allows my embedded row-level composite component to function correctly within rich:dataTable:

    private boolean requiresRowIteration(FacesContext context) {
        return true;
    }

I'm not necessarily confident enough in this as a solution to submit a formal patch (it may have other side-effects I am not aware of), but I thought I should document it here anyway.
                
> rich:dataTable doesn't call restoreState() on a row-level composite component
> -----------------------------------------------------------------------------
>
>                 Key: RF-12611
>                 URL: https://issues.jboss.org/browse/RF-12611
>             Project: RichFaces
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: component-tables
>    Affects Versions: 4.2.3.Final
>         Environment: Debian Wheezy, Linux, amd64
>            Reporter: Mark Cave-Ayland
>         Attachments: RFStateBug1.tar.gz
>
>
> I currently have a row-level composite component that works well within a h:dataTable which I am looking to migrate to rich:dataTable for more flexibility with layout. However when embedded within a rich:dataTable, the component state is not preserved during the RESTORE_VIEW phase.
> Further investigation with a debugger shows that the problem is within UIDataAdapter::restoreState() in that requiresRowIteration() returns false during the RESTORE_VIEW phase, and so the restoreState() function within the row-level composite component is never called.
> The related transcript from IRC can be found here: http://transcripts.jboss.org/channel/irc.freenode.org/%23richfaces/2012/%23richfaces.2012-11-14.log.html.
> Many thanks,
> Mark.

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