Method removePlotRange

src/frontend/dockwidgets/CartesianPlotDock.cpp:1200–1234

}

void CartesianPlotDock::removePlotRange() {
	DEBUG(Q_FUNC_INFO)

	int currentRow{ui.twPlotRanges->currentRow()};
	QDEBUG(Q_FUNC_INFO << ", current plot range = " << currentRow)
	if (currentRow < 0 || currentRow > m_plot->coordinateSystemCount()) {
		DEBUG(Q_FUNC_INFO << ", no current plot range")
		currentRow = m_plot->coordinateSystemCount() - 1;
	}
	QDEBUG(Q_FUNC_INFO << ", removing plot range " << currentRow)

	// check all children for cSystem usage
	for (auto* element : m_plot->children<WorksheetElement>()) {
		const int cSystemIndex{element->coordinateSystemIndex()};
		DEBUG(Q_FUNC_INFO << ", element x index = " << cSystemIndex)
		if (cSystemIndex == currentRow) {
			DEBUG(Q_FUNC_INFO << ", WARNING: plot range used in element")

			auto status =
				KMessageBox::warningTwoActions(this,
											   i18n("Plot range %1 is used by element \"%2\". ", currentRow + 1, element->name()) + i18n("Really remove it?"),
											   QString(),
											   KStandardGuiItem::remove(),
											   KStandardGuiItem::cancel());
			if (status == KMessageBox::SecondaryAction)
				return;
			else
				element->setCoordinateSystemIndex(0); // reset
		}
	}

	m_plot->removeCoordinateSystem(currentRow);
	updatePlotRangeList();
	m_plot->retransform(); // update plot and elements
}

void CartesianPlotDock::PlotRangeChanged(const int plotRangeIndex, const Dimension dim, const int index) {
	const std::string dimStr = CartesianCoordinateSystem::dimensionToString(dim).toStdString();