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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include "boxplotdatareader.h"
#include "boxplotwidget.h"
#include <QBarCategoryAxis>
#include <QBoxPlotSeries>
#include <QBoxSet>
#include <QChart>
#include <QFile>
#include <QLegend>
BoxPlotWidget::BoxPlotWidget(QWidget *parent)
: ContentWidget(parent)
{
}
bool BoxPlotWidget::doLoad()
{
//! [1]
auto acmeSeries = new QBoxPlotSeries;
acmeSeries->setName("Acme Ltd");
auto boxWhiskSeries = new QBoxPlotSeries;
boxWhiskSeries->setName("BoxWhisk Inc");
//! [1]
//! [2]
QFile acmeData(":boxplot_a");
const QString errorTemplate = QStringLiteral("Failed to load '%1' file.");
if (!acmeData.open(QIODevice::ReadOnly | QIODevice::Text)) {
m_loadError = errorTemplate.arg(acmeData.fileName());
return false;
}
BoxPlotDataReader dataReader(&acmeData);
while (!dataReader.atEnd()) {
QBoxSet *set = dataReader.readBox();
if (set)
acmeSeries->append(set);
}
//! [2]
//! [3]
QFile boxwhiskData(":boxplot_b");
if (!boxwhiskData.open(QIODevice::ReadOnly | QIODevice::Text)) {
m_loadError = errorTemplate.arg(acmeData.fileName());
return false;
}
dataReader.readFile(&boxwhiskData);
while (!dataReader.atEnd()) {
QBoxSet *set = dataReader.readBox();
if (set)
boxWhiskSeries->append(set);
}
//! [3]
//! [4]
auto chart = new QChart;
chart->addSeries(acmeSeries);
chart->addSeries(boxWhiskSeries);
chart->setTitle("Acme Ltd. and BoxWhisk Inc. share deviation in 2012");
chart->setAnimationOptions(QChart::SeriesAnimations);
//! [4]
//! [5]
chart->createDefaultAxes();
chart->axes(Qt::Vertical).first()->setMin(15.0);
chart->axes(Qt::Horizontal).first()->setMax(34.0);
//! [5]
//! [6]
chart->legend()->setVisible(true);
chart->legend()->setAlignment(Qt::AlignBottom);
//! [6]
//! [7]
createDefaultChartView(chart);
//! [7]
return true;
}
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