onLinkScaleStart method
Implementation
@override
void onLinkScaleStart(String linkId, ScaleStartDetails details) {
canvasWriter.model.hideAllLinkJoints();
canvasWriter.model.showLinkJoints(linkId);
_segmentIndex = canvasReader.model
.determineLinkSegmentIndex(linkId, details.localFocalPoint);
if (_segmentIndex != null) {
canvasWriter.model.insertLinkMiddlePoint(
linkId, details.localFocalPoint, _segmentIndex!);
canvasWriter.model.updateLink(linkId);
}
}