|
|
/****************************************************************************
|
|
|
**
|
|
|
** 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 "charts.h"
|
|
|
#include "qchart.h"
|
|
|
#include "qpieseries.h"
|
|
|
|
|
|
class PieChart: public Chart
|
|
|
{
|
|
|
public:
|
|
|
QString name() { return QObject::tr("PieChart"); }
|
|
|
QString category() { return QString::null; }
|
|
|
QString subCategory() { return QString::null; }
|
|
|
|
|
|
QChart* createChart(const DataTable& table)
|
|
|
{
|
|
|
QChart* chart = new QChart();
|
|
|
chart->setTitle("Pie chart");
|
|
|
|
|
|
qreal pieSize = 1.0 / table.count();
|
|
|
for (int i = 0; i < table.count(); i++) {
|
|
|
QPieSeries *series = new QPieSeries(chart);
|
|
|
foreach (Data data, table[i]) {
|
|
|
QPieSlice *slice = series->append(data.second, data.first.y());
|
|
|
if (data == table[i].first()) {
|
|
|
slice->setLabelVisible();
|
|
|
slice->setExploded();
|
|
|
}
|
|
|
}
|
|
|
qreal hPos = (pieSize / 2) + (i / (qreal) table.count());
|
|
|
series->setPieSize(pieSize);
|
|
|
series->setHorizontalPosition(hPos);
|
|
|
series->setVerticalPosition(0.5);
|
|
|
chart->addSeries(series);
|
|
|
}
|
|
|
return chart;
|
|
|
}
|
|
|
|
|
|
};
|
|
|
|
|
|
DECLARE_CHART(PieChart)
|
|
|
|
|
|
|