[jira] Commented: (TOMAHAWK-764) ValueBinding lost for first attribute

["Martin Marinschek (JIRA)" <de...@myfaces.apache.org>]

    [ http://issues.apache.org/jira/browse/TOMAHAWK-764?page=comments#action_12446317 ] 
            
Martin Marinschek commented on TOMAHAWK-764:
--------------------------------------------

But how will the data-scroller ever update the first attribute then?

regards,

Martin

> ValueBinding lost for first attribute
> -------------------------------------
>
>                 Key: TOMAHAWK-764
>                 URL: http://issues.apache.org/jira/browse/TOMAHAWK-764
>             Project: MyFaces Tomahawk
>          Issue Type: Bug
>          Components: Extended Datatable
>    Affects Versions: 1.1.4-SNAPSHOT, 1.1.3
>         Environment: myFaces core1.1.4
> tomahawk 1.1.4 Snapshot
>            Reporter: Michael Heinen
>
> There is a major bug using the t:datatable in conjunction with the t:datascroller and a valueBinding for the first attribute.
> The HtmlDataScroller erases this value binding due to the fact, that it calls setFirst with an int in the broadcast method.
> If the page is then reloaded via ajax, then first contains a pagenumber instead of the valuebinding.
> Patch for setFirst:
>     public void setFirst(int first)
>     {
>       ValueBinding vb = getValueBinding("first");
>       if (vb != null)
>       {
>         //do nothing and keep the valueBinding
>         return;
>       }
>       else
>         if (_preservedDataModel != null)
>         {
>             //Also change the currently restored DataModel attribute
>             _preservedDataModel.setFirst(first);
>         }
>         super.setFirst(first);
>     }   
> see this threads:
> http://marc.theaimsgroup.com/?l=myfaces-user&m=116211813709147&w=2
> http://marc.theaimsgroup.com/?l=myfaces-user&m=114529361608223&w=2
> Michael

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