Method restorePointers

src/backend/datasources/projects/OriginProjectParser.cpp:312–515

! * restores the column pointers from the column paths after the project was loaded and all objects instantiated. * TODO: why do we need this extra logic here and why Project::restorePointers() is not enough which is already called in ProjectParser::importTo() at the end * of the import anyway? */

 * of the import anyway?
 */
void OriginProjectParser::restorePointers(Project* project) {
	// 1. extend the paths to contain the parent structures first
	// 2. restore the pointers from the paths
	const auto& columns = project->children<Column>(AbstractAspect::ChildIndexFlag::Recursive);
	const auto& spreadsheets = project->children<Spreadsheet>(AbstractAspect::ChildIndexFlag::Recursive);
	DEBUG(Q_FUNC_INFO << ", NUMBER of spreadsheets/columns = " << spreadsheets.count() << "/" << columns.count())

	// xy-curves
	const auto& curves = project->children<XYCurve>(AbstractAspect::ChildIndexFlag::Recursive);
	for (auto* curve : curves) {
		DEBUG(Q_FUNC_INFO << ", RESTORE CURVE with x/y column path " << STDSTRING(curve->xColumnPath()) << " " << STDSTRING(curve->yColumnPath()))
		curve->setSuppressRetransform(true);

		// x-column
		auto spreadsheetName = curve->xColumnPath();
		spreadsheetName.truncate(curve->xColumnPath().lastIndexOf(QLatin1Char('/')));
		// DEBUG(Q_FUNC_INFO << ", SPREADSHEET name from column: " << STDSTRING(spreadsheetName))
		for (const auto* spreadsheet : spreadsheets) {
			QString container, containerPath = spreadsheet->parentAspect()->path();
			if (spreadsheetName.contains(QLatin1Char('/'))) { // part of a workbook
				container = containerPath.mid(containerPath.lastIndexOf(QLatin1Char('/')) + 1) + QLatin1Char('/');
				containerPath = containerPath.left(containerPath.lastIndexOf(QLatin1Char('/')));
			}
			// DEBUG("CONTAINER = " << STDSTRING(container))
			// DEBUG("CONTAINER PATH = " << STDSTRING(containerPath))
			// DEBUG(Q_FUNC_INFO << ", LOOP spreadsheet names = \"" << STDSTRING(container) +
			//	STDSTRING(spreadsheet->name()) << "\", path = " << STDSTRING(spreadsheetName))
			// DEBUG("SPREADSHEET parent path = " << STDSTRING(spreadsheet->parentAspect()->path()))
			if (container + spreadsheet->name() == spreadsheetName) {
				const QString& newPath = containerPath + QLatin1Char('/') + curve->xColumnPath();
				// DEBUG(Q_FUNC_INFO << ", SET COLUMN PATH to \"" << STDSTRING(newPath) << "\"")
				curve->setXColumnPath(newPath);

				RESTORE_COLUMN_POINTER(curve, xColumn, XColumn);
				break;
			}
		}

		// y-column
		spreadsheetName = curve->yColumnPath();
		spreadsheetName.truncate(curve->yColumnPath().lastIndexOf(QLatin1Char('/')));
		for (const auto* spreadsheet : spreadsheets) {
			QString container, containerPath = spreadsheet->parentAspect()->path();
			if (spreadsheetName.contains(QLatin1Char('/'))) { // part of a workbook
				container = containerPath.mid(containerPath.lastIndexOf(QLatin1Char('/')) + 1) + QLatin1Char('/');
				containerPath = containerPath.left(containerPath.lastIndexOf(QLatin1Char('/')));
			}
			if (container + spreadsheet->name() == spreadsheetName) {
				const QString& newPath = containerPath + QLatin1Char('/') + curve->yColumnPath();
				curve->setYColumnPath(newPath);

				RESTORE_COLUMN_POINTER(curve, yColumn, YColumn);
				break;
			}
		}
		DEBUG(Q_FUNC_INFO << ", curve x/y COLUMNS = " << curve->xColumn() << "/" << curve->yColumn())

		// error columns