def reorderAxesEvent(self):
        axisB = self.sender().text()
        self.myParent.swapAxes(self.axisName, axisB)
        self.myParent.setVistrailsVariableAxes()
reorderAxesEvent is called when the user selects 're-order
dataset/ETHPy150Open VisTrails/VisTrails/contrib/cdat/cdat_window.py/QAxis.reorderAxesEvent