attachTo method
Injects the behavior into a chart.
Implementation
@override
void attachTo(BaseChart<D> chart) {
_chart = chart;
chart.addGestureListener(_listener);
// TODO: Update this dynamically based on tappable location.
switch (eventTrigger) {
case SelectionTrigger.tap:
case SelectionTrigger.tapAndDrag:
case SelectionTrigger.pressHold:
case SelectionTrigger.longPressHold:
chart.registerTappable(this);
case SelectionTrigger.hover:
chart.unregisterTappable(this);
}
}