Method changeSelectedVisible

src/frontend/ProjectExplorer.cpp:869–898

}

void ProjectExplorer::changeSelectedVisible() {
	const auto& items = m_treeView->selectionModel()->selectedIndexes();

	// determine all selected aspects
	QVector<WorksheetElement*> elements;
	const auto columnCount = m_treeView->model()->columnCount();
	for (int i = 0; i < items.size() / columnCount; ++i) {
		const QModelIndex& index = items.at(i * columnCount);
		auto* aspect = static_cast<AbstractAspect*>(index.internalPointer());
		auto* element = dynamic_cast<WorksheetElement*>(aspect);
		if (element)
			elements << element;
	}

	const int numberElements = elements.size();
	if (numberElements == 0)
		return;

	// Use first element as reference
	const auto& firstElement = elements.constFirst();
	const bool newVisible = !firstElement->isVisible();

	if (numberElements > 1) {
		firstElement->beginMacro(i18n("%1 elements: set visible: %2").arg(numberElements, newVisible));
		for (auto* e : elements)
			e->setVisible(newVisible);
		firstElement->endMacro();
	} else
		firstElement->setVisible(newVisible);
}

void ProjectExplorer::deleteSelected() {
	const auto& items = m_treeView->selectionModel()->selectedIndexes();