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/****************************************************************************
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**
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** Copyright (C) 2014 Digia Plc
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** All rights reserved.
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** For any questions to Digia, please use contact form at http://qt.io
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**
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** This file is part of the Qt Charts module.
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**
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** Licensees holding valid commercial license for Qt may use this file in
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** accordance with the Qt License Agreement provided with the Software
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** or, alternatively, in accordance with the terms contained in a written
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** agreement between you and Digia.
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**
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** If you have questions regarding the use of this file, please use
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** contact form at http://qt.io
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**
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****************************************************************************/
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#include "charts.h"
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#include <QtCharts/QChart>
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#include <QtCharts/QPieSeries>
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class DonutChart: public Chart
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{
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public:
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QString name() { return QObject::tr("DonutChart"); }
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QString category() { return QObject::tr("PieSeries"); }
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QString subCategory() { return QString::null; }
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QChart *createChart(const DataTable &table)
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{
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QChart *chart = new QChart();
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chart->setTitle("Donut chart");
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for (int i = 0, j = table.count(); i < table.count(); i++, j--) {
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QPieSeries *series = new QPieSeries(chart);
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foreach (Data data, table[i]) {
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QPieSlice *slice = series->append(data.second, data.first.y());
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if (data == table[i].first())
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slice->setLabelVisible();
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}
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series->setPieSize(j / (qreal) table.count());
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if (j > 1)
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series->setHoleSize((j - 1) / (qreal) table.count() + 0.1);
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series->setHorizontalPosition(0.5);
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series->setVerticalPosition(0.5);
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chart->addSeries(series);
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}
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return chart;
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}
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};
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DECLARE_CHART(DonutChart)
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