def get_selected(self):
        """Get the selected row."""
        selection = self.view.get_selection()
        if selection == None or selection.get_selected_rows()[1] == None:
            return None

        return selection.get_selected_rows()[1][0].get_indices()[0]


#OR:

    def get_selected(self):
        """Get the selected row."""
        selection = self.view.get_selection()
        if selection == None or len(selection.get_selected_rows()[1]) == 0:
            return None

        return selection.get_selected_rows()[1][0].get_indices()[0]