Method showOverviewPlot

src/frontend/spreadsheet/StatisticsColumnWidget.cpp:253–314

}

void StatisticsColumnWidget::showOverviewPlot() {
	if (!m_column->isNumeric())
		return;

	// add plot
	auto* plot = addPlot(&m_overviewPlotWidget);
	plot->setSymmetricPadding(false);
	const double padding = Worksheet::convertToSceneUnits(0.5, Worksheet::Unit::Centimeter);
	plot->setHorizontalPadding(2 * padding);
	plot->setRightPadding(2 * padding);
	plot->setVerticalPadding(padding);
	plot->setBottomPadding(padding);
	plot->plotArea()->borderLine()->setStyle(Qt::NoPen);

	// set the axes labels
	auto axes = plot->children<Axis>();
	for (auto* axis : std::as_const(axes)) {
		axis->setSuppressRetransform(true);
		if (axis->orientation() == Axis::Orientation::Vertical)
			axis->title()->setText(QString());
		else {
			// TODO: set the font and the offset smaller and show the "Index" title after this
			// axis->title()->setText(i18n("Index"));
			axis->title()->setText(QString());
		}

		auto font = axis->labelsFont();
		font.setPointSizeF(Worksheet::convertToSceneUnits(8, Worksheet::Unit::Point));
		axis->setLabelsFont(font);
		axis->setLabelsOffset(2);
		axis->setMajorTicksDirection(Axis::ticksIn);
		axis->majorGridLine()->setStyle(Qt::NoPen);
		axis->setMinorTicksDirection(Axis::noTicks);
		axis->setArrowType(Axis::ArrowType::NoArrow);
		axis->setSuppressRetransform(false);
	}

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

	// x
	auto* xColumn = new Column(QStringLiteral("x"), AbstractColumn::ColumnMode::Integer);
	m_project->addChild(xColumn);
	int rows = m_column->rowCount();
	QVector<int> xData;
	xData.resize(rows);
	for (int i = 0; i < rows; ++i)
		xData[i] = i;
	xColumn->setIntegers(xData);

	// add curve
	auto* curve = new XYCurve(QString());
	curve->setSuppressRetransform(false);
	plot->addChild(curve);
	curve->line()->setStyle(Qt::SolidLine);
	curve->symbol()->setStyle(Symbol::Style::NoSymbols);
	curve->background()->setPosition(Background::Position::No);
	curve->setXColumn(xColumn);
	curve->setYColumn(m_column);