Method updatePoint

src/backend/datapicker/DatapickerCurve.cpp:437–491

! Update datasheet for corresponding curve-point, it is called every time whenever there is any change in position of curve-point or its error-bar so keep it undo unaware no need to create extra entry in undo stack */

	no need to create extra entry in undo stack
*/
void DatapickerCurve::updatePoint(const DatapickerPoint* point) {
	Q_D(DatapickerCurve);

	if (m_supressResizeDatasheet)
		return;

	// TODO: this check shouldn't be required.
	// redesign the retransform()-call in load() to avoid it.
	if (!parentAspect())
		return;

	auto* datapicker = static_cast<Datapicker*>(parentAspect());
	int row = indexOfChild<DatapickerPoint>(point, ChildIndexFlag::IncludeHidden);

	const auto xDateTime = datapicker->xDateTime();
	if ((m_datetime && !xDateTime) || (!m_datetime && xDateTime))
		updateColumns(xDateTime);

	Vector3D data = datapicker->mapSceneToLogical(point->position());

	if (d->posXColumn) {
		if (xDateTime) {
			auto dt = QDateTime::fromMSecsSinceEpoch(data.x());
			dt.setTimeSpec(Qt::TimeSpec::UTC);
			d->posXColumn->setDateTimeAt(row, dt);
		} else
			d->posXColumn->setValueAt(row, data.x());
	}

	if (d->posYColumn)
		d->posYColumn->setValueAt(row, data.y());

	if (d->posZColumn)
		d->posZColumn->setValueAt(row, data.y());

	if (d->plusDeltaXColumn) {
		data = datapicker->mapSceneLengthToLogical(QPointF(point->plusDeltaXPos().x(), 0));
		d->plusDeltaXColumn->setValueAt(row, std::abs(data.x()));
	}

	if (d->minusDeltaXColumn) {
		data = datapicker->mapSceneLengthToLogical(QPointF(point->minusDeltaXPos().x(), 0));
		d->minusDeltaXColumn->setValueAt(row, std::abs(data.x()));
	}

	if (d->plusDeltaYColumn) {
		data = datapicker->mapSceneLengthToLogical(QPointF(0, point->plusDeltaYPos().y()));
		d->plusDeltaYColumn->setValueAt(row, std::abs(data.y()));
	}

	if (d->minusDeltaYColumn) {
		data = datapicker->mapSceneLengthToLogical(QPointF(0, point->minusDeltaYPos().y()));
		d->minusDeltaYColumn->setValueAt(row, std::abs(data.y()));
	}
}

void DatapickerCurve::updateColumns(bool datetime) {
	m_datetime = datetime;