Method color

src/backend/spreadsheet/SpreadsheetModel.cpp:564–595

}

QVariant SpreadsheetModel::color(const AbstractColumn* column, int row, AbstractColumn::Formatting type) const {
	if (!column->hasHeatmapFormat() || (!column->isNumeric() && column->columnMode() != AbstractColumn::ColumnMode::Text) || !column->isValid(row))
		return {};

	const auto& format = column->heatmapFormat();
	if (format.type != type || format.colors.isEmpty())
		return {};

	int index = 0;
	if (column->isNumeric()) {
		double value = column->valueAt(row);
		double range = (format.max - format.min) / format.colors.count();

		if (value > format.max)
			index = format.colors.count() - 1;
		else {
			for (int i = 0; i < format.colors.count(); ++i) {
				if (value <= format.min + (i + 1) * range) {
					index = i;
					break;
				}
			}
		}
	} else {
		index = column->dictionaryIndex(row);
	}

	if (index < format.colors.count())
		return {QColor(format.colors.at(index))};
	else
		return {QColor(format.colors.constLast())};
}