Hi,

I have a model (mymodel) with a property 'p1' and a qx.ui.form.SelectBox 
(mySelectBox).

mymodel.bind('p1', mySelectBox, 'modelSelection[0]');

If mymodel.p1 is null the binding attempt to do modelSelection[0]=null, 
but I want the binding to do a modelSelection.removeAll().

I apply a patch on all version of qooxdoo to do that. I understand that 
it's not a bug, selecting null could be usefull for other persons.

Any idea to remove my hack ?

Thank you,
David


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