|
|
#include <QtGui/QApplication>
|
|
|
#include <QMainWindow>
|
|
|
#include <qchartglobal.h>
|
|
|
#include <qchartview.h>
|
|
|
#include <qstackedbarseries.h>
|
|
|
#include <qbarset.h>
|
|
|
#include <qchartaxis.h>
|
|
|
#include <QStringList>
|
|
|
#include <QDebug>
|
|
|
|
|
|
QTCOMMERCIALCHART_USE_NAMESPACE
|
|
|
|
|
|
//! [1]
|
|
|
class DrilldownBarSeries : public QStackedBarSeries
|
|
|
{
|
|
|
Q_OBJECT
|
|
|
public:
|
|
|
DrilldownBarSeries(QStringList categories, QObject* parent=0) : QStackedBarSeries(categories,parent) {}
|
|
|
|
|
|
/*
|
|
|
public Q_SLOTS:
|
|
|
void handleRightClick(QBarSet *barset, QString category)
|
|
|
{
|
|
|
}
|
|
|
*/
|
|
|
};
|
|
|
//! [1]
|
|
|
|
|
|
//! [2]
|
|
|
class DrilldownBarSet : public QBarSet
|
|
|
{
|
|
|
Q_OBJECT
|
|
|
public:
|
|
|
DrilldownBarSet(QString name, DrilldownBarSeries *parent) : QBarSet(name, parent), mSeries(parent) {}
|
|
|
|
|
|
DrilldownBarSeries* drilldownSeries() { return mSeries; }
|
|
|
|
|
|
private:
|
|
|
DrilldownBarSeries* mSeries;
|
|
|
};
|
|
|
//! [2]
|
|
|
|
|
|
//! [3]
|
|
|
class DrilldownChart : public QChartView
|
|
|
{
|
|
|
Q_OBJECT
|
|
|
public:
|
|
|
explicit DrilldownChart(QWidget *parent = 0) : QChartView(parent), m_currentSeries(0) {}
|
|
|
|
|
|
void changeSeries(QSeries* series)
|
|
|
{
|
|
|
if (m_currentSeries)
|
|
|
removeSeries(m_currentSeries);
|
|
|
m_currentSeries = series;
|
|
|
addSeries(series);
|
|
|
setChartTitle(series->title());
|
|
|
}
|
|
|
|
|
|
public Q_SLOTS:
|
|
|
void handleRightClick(QBarSet* barset, QString category)
|
|
|
{
|
|
|
qDebug() << "DrilldownChart::handleRightClick" << barset->name() << category;
|
|
|
// TODO: continue from here
|
|
|
// DrilldownBarSet* drilldownBarSet = static_cast<DrilldownBarSet*>(barset);
|
|
|
// changeSeries(drilldownBarSet->drilldownSeries());
|
|
|
}
|
|
|
|
|
|
private:
|
|
|
QSeries* m_currentSeries;
|
|
|
};
|
|
|
//! [3]
|
|
|
|
|
|
|
|
|
int main(int argc, char *argv[])
|
|
|
{
|
|
|
QApplication a(argc, argv);
|
|
|
QMainWindow window;
|
|
|
|
|
|
DrilldownChart* drilldownChart = new DrilldownChart(&window);
|
|
|
drilldownChart->setChartTheme(QChart::ChartThemeIcy);
|
|
|
|
|
|
//! [1]
|
|
|
// Define categories
|
|
|
QStringList months;
|
|
|
months << "Jun" << "Jul" << "Aug" << "Oct";
|
|
|
QStringList weeks;
|
|
|
weeks << "week 1" << "week 2" << "week 3" << "week 4";
|
|
|
QStringList plants;
|
|
|
plants << "Habanero" << "Lemon Drop" << "Starfish" << "Aji Amarillo";
|
|
|
//! [1]
|
|
|
|
|
|
DrilldownBarSeries* seasonSeries = new DrilldownBarSeries(months, drilldownChart);
|
|
|
seasonSeries->setTitle("Crop by month - Season");
|
|
|
|
|
|
foreach (QString plant, plants) {
|
|
|
DrilldownBarSet *seasonCrop = new DrilldownBarSet(plant, seasonSeries);
|
|
|
foreach(QString month, months) {
|
|
|
DrilldownBarSeries* monthSeries = new DrilldownBarSeries(weeks, drilldownChart);
|
|
|
DrilldownBarSet *monthCrop = new DrilldownBarSet(plant, monthSeries);
|
|
|
foreach(QString week, weeks) {
|
|
|
*monthCrop << (qrand() % 20);
|
|
|
}
|
|
|
monthSeries->addBarSet(monthCrop);
|
|
|
*seasonCrop << monthCrop->valueAt(plants.indexOf(plant));
|
|
|
}
|
|
|
|
|
|
// We want floating values!
|
|
|
QObject::connect(seasonCrop,SIGNAL(clicked(QString)),seasonCrop,SIGNAL(toggleFloatingValues()));
|
|
|
seasonSeries->addBarSet(seasonCrop);
|
|
|
}
|
|
|
|
|
|
QObject::connect(seasonSeries,SIGNAL(rightClicked(QBarSet*,QString)),drilldownChart,SLOT(handleRightClick(QBarSet*,QString)));
|
|
|
|
|
|
seasonSeries->setToolTipEnabled(true);
|
|
|
|
|
|
drilldownChart->addSeries(seasonSeries);
|
|
|
|
|
|
drilldownChart->axisX()->setAxisVisible(false);
|
|
|
drilldownChart->axisX()->setGridVisible(false);
|
|
|
drilldownChart->axisX()->setLabelsVisible(false);
|
|
|
|
|
|
window.setCentralWidget(drilldownChart);
|
|
|
window.resize(400, 300);
|
|
|
window.show();
|
|
|
|
|
|
return a.exec();
|
|
|
}
|
|
|
|
|
|
#include "main.moc"
|
|
|
|