Found this in the trunk:
http://code.google.com/p/google-web-toolkit/source/browse/trunk/user/src/com/google/gwt/user/cellview/client/HeaderCreator.java?r=10581
Line 37: // TODO(jlabanca): Add API to handle events in the header.
Any idea when this will be added and if the sorting behavior will be
I am trying to add a button to a DataGrid header by extending Header
and I've been able to do that and detect the click event just fine.
My problem is that the underlying AbstractCellTable code is firing
ColumnSortEvents for every click in the header and there is no simple
way to stop that behavior