Method trigger

lib/matplotlib/backend_tools.py:329–336

Call `draw_rubberband` or `remove_rubberband` based on data.

(self, sender, event, data=None)

class RubberbandBase(ToolBase):
    """Draw and remove a rubberband."""
    def trigger(self, sender, event, data=None):
        """Call `draw_rubberband` or `remove_rubberband` based on data."""
        if not self.figure.canvas.widgetlock.available(sender):
            return
        if data is not None:
            self.draw_rubberband(*data)
        else:
            self.remove_rubberband()

    def draw_rubberband(self, *data):
        """