Hi Alf,
these warning is caused by the incomplete analysis at this point in
the layoutmanager. You can ignore this.
In the layout calculation the fixed rows/cells are handled first,
after layouting the first and the last row the full available space is
used, but there is one row left, the hidden (rendered=false) one.
At this point the layoutmanager gives this warning, without respecting
that the unlayouted rows don't need any space.
In cases with broken layout you can use this warnings to find the
problem, but in cases with rendered=false or tokens like "0px" this
warning can be ignored.
I suggest to disable WARN level for
"org.apache.myfaces.tobago.util.LayoutInfo" and
"org.apache.myfaces.tobago.renderkit.html.scarborough.standard.tag.GridLayoutRenderer"
in production environment.
Regards,
Volker
2011/8/17 Alf Felis <[email protected]>:
> Hi all,
>
> I have a question using the rendered attribute within a fixed row.
>
> The test page below always shows 2 warnings:
> WARN org.apache.myfaces.tobago.util.LayoutInfo - There are columns left but
> no more space! cellsLeft=1, tokens=fixed;hide;fixed;
> clientId='_idJsp0:_idJsp3'
> WARN org.apache.myfaces.tobago.util.LayoutInfo - calculated spaces =
> "20;-1;20" clientId='_idJsp0:_idJsp3'
>
>
> The resulting page looks ok, but why there are these warnings?
>
> I'm using Tobago 1.0.37 and MyFaces: 1.1.7.
>
> Thanks for your help :)
>
> Alf
>
>
> My example page:
>
> <%@ taglib uri="http://myfaces.apache.org/tobago/component"; prefix="tc"%>
> <%@ taglib uri="http://java.sun.com/jsf/core"; prefix="f"%>
>
> <f:view>
> <tc:page>
> <f:facet name="layout">
> <tc:gridLayout rows="fixed;*" columns="*" />
> </f:facet>
>
> <tc:box label="Rendered Test">
> <f:facet name="layout">
> <tc:gridLayout rows="fixed;fixed;fixed" columns="*" />
> </f:facet>
>
> <tc:out value="Row 1" />
> <tc:out value="Row 2" rendered="false" />
> <tc:out value="Row 3" />
> </tc:box>
>
> <tc:panel />
>
> </tc:page>
> </f:view>
>
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