def _last_index(self, s):
        self.set_index(max(0, self._find_one_after_last_labeled_index() - 1))
def activate(self, callingWindow, fullContext, mainItem, i):
        fitID = self.mainFrame.getActiveFit()
        Fit.getInstance().setAsPattern(fitID, mainItem)
        wx.PostEvent(self.mainFrame, GE.FitChanged(fitIDs=(fitID,)))