I swiped the code from this demo:

http://demo.qooxdoo.org/current/demobrowser/#treevirtual~TreeVirtual_Multiple_Columns.html

Pretty cool, but I really do not need the folder/file icons.

I see the appearnce is being inherited from TreeVirtual:

   properties :
   {
     appearance :
     {
       refine : true,
       init : "tree-folder"
     }
   }


But this made qooxdoo complain about a null property:

   properties :
   {
     appearance : null
   }

I'll dig into the appearance mechanism now, but any hints are welcome.

kxo

-- 
http://www.theoryyalgebra.com/

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