##// END OF EJS Templates
Added missing example files
Added missing example files

File last commit:

r430:ec0910b997a4
r435:0d574f2c3ab8
Show More
main.cpp
129 lines | 3.5 KiB | text/x-c | CppLexer
#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"