Method importTo

src/frontend/datasources/ImportFileDialog.cpp:168–343

! triggers data import to the currently selected data container */

  triggers data import to the currently selected data container
*/
bool ImportFileDialog::importTo(QStatusBar* statusBar) const {
	QDEBUG("	cbAddTo->currentModelIndex() =" << cbAddTo->currentModelIndex());
	AbstractAspect* aspect = static_cast<AbstractAspect*>(cbAddTo->currentModelIndex().internalPointer());
	if (!aspect) {
		DEBUG(Q_FUNC_INFO << ", ERROR: No aspect available");
		DEBUG("	cbAddTo->currentModelIndex().isValid() = " << cbAddTo->currentModelIndex().isValid());
		DEBUG("	cbAddTo->currentModelIndex() row/column = " << cbAddTo->currentModelIndex().row() << ' ' << cbAddTo->currentModelIndex().column());
		const_cast<ImportFileDialog*>(this)->showErrorMessage(i18n("No target data container selected"));
		return false;
	}

	QString fileName = m_importFileWidget->fileName();
	DEBUG(Q_FUNC_INFO << ", file name: " << fileName.toStdString());
	auto mode = AbstractFileFilter::ImportMode(cbPosition->currentIndex());

	// show a progress bar in the status bar
	auto* progressBar = new QProgressBar();
	progressBar->setRange(0, 100);
	auto* filter = m_importFileWidget->currentFileFilter();
	filter->setLastError(QString()); // clear the previos error, if any available
	filter->clearLastWarnings(); // clear the previos warnings, if any available
	connect(filter, &AbstractFileFilter::completed, progressBar, &QProgressBar::setValue);

	statusBar->clearMessage();
	statusBar->addWidget(progressBar, 1);

	WAIT_CURSOR;
	QApplication::processEvents(QEventLoop::AllEvents, 100);

	QElapsedTimer timer;
	timer.start();

	if (aspect->inherits(AspectType::Matrix)) {
		DEBUG(Q_FUNC_INFO << ", to Matrix");
		auto* matrix = qobject_cast<Matrix*>(aspect);
		filter->readDataFromFile(fileName, matrix, mode);
	} else if (aspect->inherits(AspectType::Spreadsheet)) {
		DEBUG(Q_FUNC_INFO << ", to Spreadsheet");
		auto* spreadsheet = qobject_cast<Spreadsheet*>(aspect);
		DEBUG("CALLING filter->readDataFromFile()")
		// TODO: which extension (table) is imported?
		filter->readDataFromFile(fileName, spreadsheet, mode);
	} else if (aspect->inherits(AspectType::Workbook)) {
		DEBUG(Q_FUNC_INFO << ", to Workbook");
		auto* workbook = static_cast<Workbook*>(aspect);
		workbook->setUndoAware(false);
		auto sheets = workbook->children<AbstractAspect>();

		auto fileType = m_importFileWidget->currentFileType();
		// types supporting multiple data sets/variables
		if (fileType == AbstractFileFilter::FileType::HDF5 || fileType == AbstractFileFilter::FileType::NETCDF || fileType == AbstractFileFilter::FileType::ROOT
			|| fileType == AbstractFileFilter::FileType::MATIO || fileType == AbstractFileFilter::FileType::XLSX
			|| fileType == AbstractFileFilter::FileType::Ods || fileType == AbstractFileFilter::FileType::VECTOR_BLF) {
			QStringList names;
			if (fileType == AbstractFileFilter::FileType::HDF5)
				names = m_importFileWidget->selectedHDF5Names();
			else if (fileType == AbstractFileFilter::FileType::VECTOR_BLF)
				names = QStringList({QStringLiteral("TODO")}); // m_importFileWidget->selectedVectorBLFNames();