Method load

src/backend/spreadsheet/StatisticsSpreadsheet.cpp:324–364

! Loads from XML. */

  Loads from XML.
*/
bool StatisticsSpreadsheet::load(XmlStreamReader* reader, bool preview) {
	if (preview)
		return true;

	if (!readBasicAttributes(reader))
		return false;

	const auto& attribs = reader->attributes();
	const auto& str = attribs.value(QStringLiteral("metrics")).toString();
	if (str.isEmpty())
		reader->raiseMissingAttributeWarning(QStringLiteral("metrics"));
	else
		m_metrics = static_cast<StatisticsSpreadsheet::Metric>(str.toInt());

	// read child elements
	while (!reader->atEnd()) {
		reader->readNext();

		if (reader->isEndElement() && reader->name() == QStringLiteral("statisticsSpreadsheet"))
			break;

		if (reader->isStartElement()) {
			if (reader->name() == QStringLiteral("column")) {
				Column* column = new Column(QString());
				column->setIsLoading(true);
				if (!column->load(reader, preview)) {
					delete column;
					setColumnCount(0);
					return false;
				}
				addChildFast(column);
			} else { // unknown element
				reader->raiseUnknownElementWarning();
				if (!reader->skipToEndElement())
					return false;
			}
		}
	}

	return !reader->hasError();
}