Returns a location for the given component, or None if
        it is not in the model

        :param component: Component to get index for
        :type component: :class:`AbstractStimulusComponent<sparkle.stim.abstract_component.AbstractStimulusComponent>`
        :returns: (int, int) -- (row, column) of component

def indexByComponent(self, component):
        """Returns a location for the given component, or None if
        it is not in the model

        :param component: Component to get index for
        :type component: :class:`AbstractStimulusComponent<sparkle.stim.abstract_component.AbstractStimulusComponent>`
        :returns: (int, int) -- (row, column) of component
        """
        for row, rowcontents in enumerate(self._segments):
            if component in rowcontents:
                column = rowcontents.index(component)
                return (row, column)