onZoomFactorChanged method
void
onZoomFactorChanged(
- covariant ZoomController controller,
- ScaleUpdateDetails details
override
Triggered when the day view zoom factor has changed.
Implementation
@override
void onZoomFactorChanged(ZoomController controller, ScaleUpdateDetails details) {
if (!mounted) {
return;
}
double hourRowHeight = _calculateHourRowHeight(controller);
double widgetHeight = (context.findRenderObject() as RenderBox).size.height;
double maxPixels = calculateHeight(hourRowHeight) - widgetHeight + widget.style.headerSize;
if (verticalScrollController != null) {
verticalScrollController!.jumpTo(math.min(maxPixels, controller.contentOffset * controller.zoomFactor - details.localFocalPoint.dy));
}
setState(() {
this.hourRowHeight = hourRowHeight;
});
}