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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def map_callback(self, obj):
        '''called when an event happens on the slipmap'''
        from MAVProxy.modules.mavproxy_map import mp_slipmap
        if isinstance(obj, mp_slipmap.SlipMenuEvent):
            self.handle_menu_event(obj)
            return
        if not isinstance(obj, mp_slipmap.SlipMouseEvent):
            return
        if obj.event.leftIsDown and self.moving_rally is not None:
            self.click_position = obj.latlon
            self.click_time = time.time()
            self.mpstate.functions.process_stdin("rally move %u" % self.moving_rally)
            self.moving_rally = None
            return
        if obj.event.rightIsDown and self.moving_rally is not None:
            print("Cancelled rally move")
            self.moving_rally = None
            return
        if obj.event.leftIsDown and self.moving_wp is not None:
            self.click_position = obj.latlon
            self.click_time = time.time()
            self.mpstate.functions.process_stdin("wp move %u" % self.moving_wp)
            self.moving_wp = None
            return
        if obj.event.leftIsDown and self.moving_fencepoint is not None:
            self.click_position = obj.latlon
            self.click_time = time.time()
            self.mpstate.functions.process_stdin("fence move %u" % (self.moving_fencepoint+1))
            self.moving_fencepoint = None
            return
        if obj.event.rightIsDown and self.moving_wp is not None:
            print("Cancelled wp move")
            self.moving_wp = None
            return
        if obj.event.rightIsDown and self.moving_fencepoint is not None:
            print("Cancelled fence move")
            self.moving_fencepoint = None
            return
        elif obj.event.leftIsDown:
            if time.time() - self.click_time > 0.1:
                self.click_position = obj.latlon
                self.click_time = time.time()
                self.drawing_update()

            if self.module('misseditor') is not None:
                self.module('misseditor').update_map_click_position(self.click_position)

        if obj.event.rightIsDown:
            if self.draw_callback is not None:
                self.drawing_end()
                return
            if time.time() - self.click_time > 0.1:
                self.click_position = obj.latlon
                self.click_time = time.time()