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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.io
**
** This file is part of the Qt Charts module.
**
** Licensees holding valid commercial license for Qt may use this file in
** accordance with the Qt License Agreement provided with the Software
** or, alternatively, in accordance with the terms contained in a written
** agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.io
**
****************************************************************************/
#include <QtWidgets/QApplication>
#include <QtWidgets/QMainWindow>
#include <QtCharts/QChartView>
#include <QtCharts/QBarSet>
#include <QtCharts/QLegend>
#include "drilldownseries.h"
#include "drilldownchart.h"
QT_CHARTS_USE_NAMESPACE
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
QMainWindow window;
//! [1]
DrilldownChart *drilldownChart = new DrilldownChart();
drilldownChart->setTheme(QChart::ChartThemeBlueIcy);
drilldownChart->setAnimationOptions(QChart::SeriesAnimations);
//! [1]
//! [2]
// Define categories
QStringList months;
months << "May" << "Jun" << "Jul" << "Aug" << "Sep";
QStringList weeks;
weeks << "week 1" << "week 2" << "week 3" << "week 4";
QStringList plants;
plants << "Habanero" << "Lemon Drop" << "Starfish" << "Aji Amarillo";
//! [2]
//! [3]
// Create drilldown structure
DrilldownBarSeries *seasonSeries = new DrilldownBarSeries(months, drilldownChart);
seasonSeries->setName("Crop by month - Season");
// Each month in season series has drilldown series for weekly data
for (int month = 0; month < months.count(); month++) {
// Create drilldown series for every week
DrilldownBarSeries *weeklySeries = new DrilldownBarSeries(weeks, drilldownChart);
seasonSeries->mapDrilldownSeries(month, weeklySeries);
// Drilling down from weekly data brings us back to season data.
for (int week = 0; week < weeks.count(); week++) {
weeklySeries->mapDrilldownSeries(week, seasonSeries);
weeklySeries->setName(QString("Crop by week - " + months.at(month)));
}
// Use clicked signal to implement drilldown
QObject::connect(weeklySeries, SIGNAL(clicked(int,QBarSet*)), drilldownChart, SLOT(handleClicked(int,QBarSet*)));
}
// Enable drilldown from season series using clicked signal
QObject::connect(seasonSeries, SIGNAL(clicked(int,QBarSet*)), drilldownChart, SLOT(handleClicked(int,QBarSet*)));
//! [3]
//! [4]
// Fill monthly and weekly series with data
foreach (QString plant, plants) {
QBarSet *monthlyCrop = new QBarSet(plant);
for (int month = 0; month < months.count(); month++) {
QBarSet *weeklyCrop = new QBarSet(plant);
for (int week = 0; week < weeks.count(); week++)
*weeklyCrop << (qrand() % 20);
// Get the drilldown series from season series and add crop to it.
seasonSeries->drilldownSeries(month)->append(weeklyCrop);
*monthlyCrop << weeklyCrop->sum();
}
seasonSeries->append(monthlyCrop);
}
//! [4]
//! [5]
// Show season series in initial view
drilldownChart->changeSeries(seasonSeries);
drilldownChart->setTitle(seasonSeries->name());
//! [5]
//! [6]
drilldownChart->axisX()->setGridLineVisible(false);
drilldownChart->legend()->setVisible(true);
drilldownChart->legend()->setAlignment(Qt::AlignBottom);
//! [6]
QChartView *chartView = new QChartView(drilldownChart);
window.setCentralWidget(chartView);
window.resize(480, 300);
window.show();
return a.exec();
}
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