Method checkSpreadsheetMenu

src/frontend/spreadsheet/SpreadsheetView.cpp:1506–1556

! * disables cell data relevant actions in the spreadsheet menu if there're no cells available */

 * disables cell data relevant actions in the spreadsheet menu if there're no cells available
 */
void SpreadsheetView::checkSpreadsheetMenu() {
	if (!m_plotDataMenu)
		initMenus();

	const auto& columns = m_spreadsheet->children<Column>();

	const bool cellsAvail = m_spreadsheet->columnCount() > 0 && m_spreadsheet->rowCount() > 0;
	bool hasValues = this->hasValues(columns);
	m_plotDataMenu->setEnabled(hasValues);
	m_analyzePlotMenu->setEnabled(hasValues);
	m_selectionMenu->setEnabled(hasValues);
	action_select_all->setEnabled(hasValues);
	action_clear_spreadsheet->setEnabled(hasValues);
	action_statistics_all_columns->setEnabled(hasValues);
	action_go_to_cell->setEnabled(cellsAvail);

	// deactivate the "Clear masks" action if there are no masked cells
	bool hasMasked = false;
	for (auto* column : columns) {
		if (column->maskedIntervals().size() > 0) {
			hasMasked = true;
			break;
		}
	}

	action_clear_masks->setVisible(hasMasked);

	// deactivate the "Remove format" action if no columns are formatted
	bool hasFormat = false;
	for (auto* column : columns) {
		if (column->hasHeatmapFormat()) {
			hasFormat = true;
			break;
		}
	}

	action_formatting_remove->setVisible(hasFormat);

	bool hasStatisticsSpreadsheet = (m_spreadsheet->children<StatisticsSpreadsheet>().size() == 1);
	action_statistics_spreadsheet->setChecked(hasStatisticsSpreadsheet);

	if (m_spreadsheet->showComments())
		action_toggle_comments->setText(i18n("Hide Comments"));
	else
		action_toggle_comments->setText(i18n("Show Comments"));

	if (m_spreadsheet->showSparklines())
		action_toggle_sparklines->setText(i18n("Hide Sparklines"));
	else
		action_toggle_sparklines->setText(i18n("Show Sparklines"));
}

void SpreadsheetView::checkSpreadsheetSelectionMenu() {
	// deactivate mask/unmask actions for the selection