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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include "piedrilldownchart.h"
#include "piedrilldownslice.h"
#include "piedrilldownwidget.h"
#include <QChart>
#include <QLegend>
#include <QPieSeries>
#include <QRandomGenerator>
PieDrilldownWidget::PieDrilldownWidget(QWidget *parent)
: ContentWidget(parent)
{
auto *chart = new PieDrilldownChart;
chart->setTheme(QChart::ChartThemeLight);
chart->setAnimationOptions(QChart::AllAnimations);
chart->legend()->setVisible(true);
chart->legend()->setAlignment(Qt::AlignRight);
auto yearSeries = new QPieSeries(this);
yearSeries->setName("Sales by year - All (Click on slice to drill down)");
const QStringList months = {
"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
};
const QStringList names = {
"Jane", "John", "Axel", "Mary", "Susan", "Bob"
};
for (const QString &name : names) {
auto series = new QPieSeries(this);
series->setName("Sales by month - " + name);
for (const QString &month : months)
*series << new PieDrilldownSlice(QRandomGenerator::global()->bounded(1000), month, yearSeries);
QObject::connect(series, &QPieSeries::clicked, chart, &PieDrilldownChart::handleSliceClicked);
*yearSeries << new PieDrilldownSlice(series->sum(), name, series);
}
QObject::connect(yearSeries, &QPieSeries::clicked, chart, &PieDrilldownChart::handleSliceClicked);
chart->changeSeries(yearSeries);
createDefaultChartView(chart);
}
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