Method flattenColumns

src/frontend/spreadsheet/SpreadsheetView.cpp:2861–2878

}

void SpreadsheetView::flattenColumns() {
	const auto& columns = selectedColumns();
	if (columns.isEmpty())
		return;

	// ensure all selected columns have the same column mode
	auto mode = columns.at(0)->columnMode();
	for (auto* col : columns) {
		if (col->columnMode() != mode) {
			KMessageBox::error(this, i18n("The selected columns have different data types and cannot be flattened because of this. "));
			return;
		}
	}

	auto* dlg = new FlattenColumnsDialog(m_spreadsheet, this);
	dlg->setColumns(columns);
	dlg->exec();
}

void SpreadsheetView::normalizeSelectedColumns(QAction* action) {
	auto columns = selectedColumns();