def SetPackageView(self, directoryView):
        """Set whether to use directory/package based view"""
        self.directoryView = not self.directoryView
        self.packageMenuItem.Check(self.directoryView)
        self.packageViewTool.SetValue(self.directoryView)
        if self.loader:
            self.SetModel(self.loader)
        self.RecordHistory()
Set whether to use directory/package based view