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#ifndef PIESERIES_H
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#define PIESERIES_H
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#include "qchartseries.h"
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#include <QObject>
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#include <QRectF>
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#include <QColor>
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class QGraphicsObject;
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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class PiePresenter;
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class PieSlice;
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class QPieSlice
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{
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public:
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QPieSlice()
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:m_value(0), m_label("<empty>"), m_color(QColor::Invalid), m_isExploded(false) {}
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QPieSlice(qreal value, QString label = "<empty>", QColor color = QColor::Invalid, bool exploded = false)
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:m_value(value), m_label(label), m_color(color), m_isExploded(exploded) {}
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public:
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qreal m_value;
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QString m_label;
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QColor m_color; // TODO: should we even define color here?
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bool m_isExploded;
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};
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class PieChangeSet
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{
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public:
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QList<int> m_added;
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QList<int> m_removed;
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QList<int> m_changed;
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};
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class QTCOMMERCIALCHART_EXPORT QPieSeries : public QChartSeries
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{
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Q_OBJECT
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public:
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enum PiePosition {
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PiePositionMaximized = 0,
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PiePositionTopLeft,
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PiePositionTopRight,
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PiePositionBottomLeft,
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PiePositionBottomRight
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};
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public:
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QPieSeries(QObject *parent = 0);
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~QPieSeries();
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public: // from QChartSeries
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QChartSeriesType type() const { return QChartSeries::SeriesTypePie; }
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virtual bool setData(QList<qreal> data);
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public:
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bool set(QList<QPieSlice> slices);
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bool add(QList<QPieSlice> slices);
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bool add(QPieSlice slice);
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int count() const { return m_slices.count(); }
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QList<QPieSlice> slices() const { return m_slices; }
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QPieSlice slice(int index) const;
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bool update(int index, QPieSlice slice);
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// TODO: convenience functions
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//void updateValue(int sliceIndex, qreal value);
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//void updateLabel(int sliceIndex, QString label);
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//void updateColor(int sliceIndex, QColor color);
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//void updateExploded(int slizeIndex, bool exploded);
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void setSizeFactor(qreal sizeFactor);
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qreal sizeFactor() const { return m_sizeFactor; }
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void setPosition(PiePosition position);
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PiePosition position() const { return m_position; }
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Q_SIGNALS:
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void changed(const PieChangeSet& changeSet);
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void sizeFactorChanged();
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void positionChanged();
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private:
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Q_DISABLE_COPY(QPieSeries)
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friend class PiePresenter;
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// TODO: use PIML
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QList<QPieSlice> m_slices;
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qreal m_sizeFactor;
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PiePosition m_position;
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};
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QTCOMMERCIALCHART_END_NAMESPACE
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#endif // PIESERIES_H
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