Method generateForColumn

src/frontend/spreadsheet/AddSubtractValueDialog.cpp:744–903

}

void AddSubtractValueDialog::generateForColumn(Column* col, int colIndex) {
	// in case the result was already calculated for the first column for the preview,
	// no need to calculate it again, re-use the already available result
	if (colIndex == 0 && !m_previewDirty) {
		// for the baseline subraction the mode has to be Double, set it if not the case yet
		if (m_operation == SubtractBaseline && col->columnMode() != AbstractColumn::ColumnMode::Double)
			col->setColumnMode(AbstractColumn::ColumnMode::Double);
		col->copy(m_yColumnResult);
		return;
	}

	const auto mode = col->columnMode();
	const int rows = m_spreadsheet->rowCount();

	if (mode == AbstractColumn::ColumnMode::Integer) {
		int value;
		setIntValue(value, colIndex);
		auto* data = static_cast<QVector<int>*>(col->data());
		QVector<int> new_data(rows);

		switch (m_operation) {
		case SubtractBaseline: {
			// copy the int data to doubles
			QVector<double> new_data(rows);
			for (int i = 0; i < rows; ++i)
				new_data[i] = data->at(i);

			subtractBaseline(new_data);

			// convert the column mode from int to double and subtract the baseline
			col->setColumnMode(AbstractColumn::ColumnMode::Double);
			col->setValues(new_data);
			break;
		}
		case Subtract:
			value *= -1.;
			[[fallthrough]];
		case Add: {
			for (int i = 0; i < rows; ++i)
				new_data[i] = data->at(i) + value;

			col->setIntegers(new_data);
			break;
		}
		case Multiply:
			for (int i = 0; i < rows; ++i)
				new_data[i] = data->at(i) * value;

			col->setIntegers(new_data);
			break;
		case Divide:
			for (int i = 0; i < rows; ++i)
				new_data[i] = data->at(i) / value;

			col->setIntegers(new_data);
			break;
		}
	} else if (mode == AbstractColumn::ColumnMode::BigInt) {