def filter_group_dict(self):
        d = {}
        for n, m in self.filter_managers.iteritems():
            d[n] = m.list_group_names()
        return d
Return a dictionary with filter groups for each filter type.
dataset/ETHPy150Open rproepp/spykeviewer/spykeviewer/ui/filter_dock.py/FilterDock.filter_group_dict