Method loadDataColumns

src/frontend/dockwidgets/BoxPlotDock.cpp:197–245

}

void BoxPlotDock::loadDataColumns() {
	// add the combobox for the first column, is always present
	if (m_dataComboBoxes.count() == 0)
		addDataColumn();

	int count = m_boxPlot->dataColumns().count();
	ui.cbNumber->clear();

	auto* model = aspectModel();
	if (count != 0) {
		// box plot has already data columns, make sure we have the proper number of comboboxes
		int diff = count - m_dataComboBoxes.count();
		if (diff > 0) {
			for (int i = 0; i < diff; ++i)
				addDataColumn();
		} else if (diff < 0) {
			for (int i = diff; i != 0; ++i)
				removeDataColumn();
		}

		// show the columns in the comboboxes
		for (int i = 0; i < count; ++i) {
			m_dataComboBoxes.at(i)->setModel(model); // the model might have changed in-between, reset the current model
			m_dataComboBoxes.at(i)->setAspect(m_boxPlot->dataColumns().at(i), m_boxPlot->dataColumnPaths().at(i));
		}

		// show columns names in the combobox for the selection of the box to be modified
		for (int i = 0; i < count; ++i)
			if (m_boxPlot->dataColumns().at(i))
				ui.cbNumber->addItem(m_boxPlot->dataColumns().at(i)->name());
	} else {
		// no data columns set in the box plot yet, we show the first combo box only and reset its model
		m_dataComboBoxes.first()->setModel(model);
		m_dataComboBoxes.first()->setAspect(nullptr);
		for (int i = 1; i < m_dataComboBoxes.count(); ++i)
			removeDataColumn();
	}

	// disable data column widgets if we're modifying more than one box plot at the same time
	bool enabled = (m_boxPlots.count() == 1);
	m_buttonNew->setVisible(enabled);
	for (auto* cb : m_dataComboBoxes)
		cb->setEnabled(enabled);
	for (auto* b : m_removeButtons)
		b->setVisible(enabled);

	// select the first column after all of them were added to the combobox
	ui.cbNumber->setCurrentIndex(0);
}

void BoxPlotDock::setDataColumns() const {
	QVector<const AbstractColumn*> columns;