Cannot edit filter field after setting a values map

[jtaber]

v8.3_2012_11_20/LGPL Development Only (built 2012-11-20) on Firefox 26.0

After I add a values map to a ListGridField, I can no longer edit the filter field

public void provisionFilter(ListGridField field) {
    String[] filters = {"A","B","C","D"};
    field.setValueMap(filters);
    field.setCanEdit(true);
    field.setCanFilter(true);
}

I get the drop down list on the field allowing me to select a value, but I cannot edit the value in the filter textbox which I need to be able to do so users can add things like '!' to the selected filter value or build their own filter. Filters which are not given pre-defined values can be edited.


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