|
|
/****************************************************************************
|
|
|
**
|
|
|
** Copyright (C) 2012 Digia Plc
|
|
|
** All rights reserved.
|
|
|
** For any questions to Digia, please use contact form at http://qt.digia.com
|
|
|
**
|
|
|
** This file is part of the Qt Commercial Charts Add-on.
|
|
|
**
|
|
|
** $QT_BEGIN_LICENSE$
|
|
|
** Licensees holding valid Qt Commercial licenses may use this file in
|
|
|
** accordance with the Qt Commercial 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.digia.com
|
|
|
** $QT_END_LICENSE$
|
|
|
**
|
|
|
****************************************************************************/
|
|
|
|
|
|
#include <QtGui/QApplication>
|
|
|
#include <QMainWindow>
|
|
|
#include <QChartView>
|
|
|
#include <QBarSet>
|
|
|
#include <QLegend>
|
|
|
#include "drilldownseries.h"
|
|
|
#include "drilldownchart.h"
|
|
|
|
|
|
QTCOMMERCIALCHART_USE_NAMESPACE
|
|
|
|
|
|
int main(int argc, char *argv[])
|
|
|
{
|
|
|
//! [1]
|
|
|
QApplication a(argc, argv);
|
|
|
QMainWindow window;
|
|
|
//! [1]
|
|
|
|
|
|
//! [2]
|
|
|
DrilldownChart* drilldownChart = new DrilldownChart();
|
|
|
drilldownChart->setTheme(QChart::ChartThemeBlueIcy);
|
|
|
drilldownChart->setAnimationOptions(QChart::SeriesAnimations);
|
|
|
//! [2]
|
|
|
|
|
|
//! [3]
|
|
|
// 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";
|
|
|
//! [3]
|
|
|
|
|
|
//! [4]
|
|
|
// 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
|
|
|
foreach (QString month, months) {
|
|
|
|
|
|
// 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.
|
|
|
foreach (QString week, weeks) {
|
|
|
weeklySeries->mapDrilldownSeries(week, seasonSeries);
|
|
|
weeklySeries->setName(QString("Crop by week - " + month));
|
|
|
}
|
|
|
|
|
|
// Use right click signal to implement drilldown
|
|
|
QObject::connect(weeklySeries, SIGNAL(clicked(QBarSet*,QString)), drilldownChart, SLOT(handleClicked(QBarSet*,QString)));
|
|
|
}
|
|
|
|
|
|
// Enable drilldown from season series using right click.
|
|
|
QObject::connect(seasonSeries, SIGNAL(clicked(QBarSet*,QString)), drilldownChart, SLOT(handleClicked(QBarSet*,QString)));
|
|
|
//! [4]
|
|
|
|
|
|
//! [5]
|
|
|
// Fill monthly and weekly series with data
|
|
|
foreach (QString plant, plants) {
|
|
|
QBarSet* monthlyCrop = new QBarSet(plant);
|
|
|
foreach (QString month, months) {
|
|
|
QBarSet* weeklyCrop = new QBarSet(plant);
|
|
|
foreach (QString week, weeks )
|
|
|
*weeklyCrop << (qrand() % 20);
|
|
|
// Get the drilldown series from season series and add crop to it.
|
|
|
seasonSeries->drilldownSeries(month)->appendBarSet(weeklyCrop);
|
|
|
*monthlyCrop << weeklyCrop->sum();
|
|
|
}
|
|
|
seasonSeries->appendBarSet(monthlyCrop);
|
|
|
}
|
|
|
//! [5]
|
|
|
|
|
|
//! [6]
|
|
|
// Show season series in initial view
|
|
|
drilldownChart->changeSeries(seasonSeries);
|
|
|
drilldownChart->setTitle(seasonSeries->name());
|
|
|
//! [6]
|
|
|
|
|
|
//! [7]
|
|
|
drilldownChart->axisX()->setGridLineVisible(false);
|
|
|
drilldownChart->axisY()->setNiceNumbersEnabled(true);
|
|
|
drilldownChart->legend()->setVisible(true);
|
|
|
drilldownChart->legend()->setAlignment(QLegend::AlignmentBottom);
|
|
|
//! [7]
|
|
|
|
|
|
QChartView *chartView = new QChartView(drilldownChart);
|
|
|
window.setCentralWidget(chartView);
|
|
|
window.resize(400, 300);
|
|
|
window.show();
|
|
|
|
|
|
return a.exec();
|
|
|
}
|
|
|
|
|
|
|
