i am guessing DockLayoutPanel got fixed size, u can use SplitLayoutPanel, & 
i am sure u can set Size for Splitlayoutpanel.

On Friday, February 14, 2014 9:30:44 AM UTC+11, Thomas Rodenhausen wrote:
>
> I use a DockLayoutPanel using UIBinder like this:
>
>          <g:DockLayoutPanel unit='PX' ui:field='dockLayoutPanel'>
>              <g:north size='200'>
>                     <g:HTMLPanel ui:field="northPanel">...</g:HTMLPanel>
>              </g:north>
>              <g:center>
>                   <g:ScrollPanel ui:field="centerPanel">
>                           ...
>                    </g:ScrollPanel>
>             </g:center>
>             <g:south size='0'>
>                  <g:HTMLPanel></g:HTMLPanel>
>             </g:south>
>         </g:DockLayoutPanel>
>
> At some point I want to set the size of the north widget to 100px only.
> I tried dockLayoutPanel.setWidgetSize(northPanel, 100), but it does not 
> work: 
> - When I debug everything looks ok, the doLayout() of DockLayoutPanel 
> seems to be processed correctly, looking at the top and bottom values that 
> are set on the layers of the northPanel and centerPanel. 
> - However, in the browser, it ends up staying the same when I look at the 
> produced HTML + CSS. 
> - I tried to manually call animate() and forceLayout() without a 
> difference.
>
> Any ideas why that could be?
>
>

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