def _on_close ( self, info ):
        if (info.ui.owner is not None) and self.close( info, True ):
            info.ui.owner.close()

#-------------------------------------------------------------------------------
#  Default handler:
#-------------------------------------------------------------------------------
read/write of 1D NMRPipe time domain file.
dataset/ETHPy150Open enthought/traitsui/traitsui/handler.py/Handler._on_close--crossover with--dataset/ETHPy150Open jjhelmus/nmrglue/nmrglue/fileio/tests/test_pipe.py/test_1d_time