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#ifndef XYCHARTITEM_H
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#define XYCHARTITEM_H
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#include "qchartglobal.h"
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#include "chartitem_p.h"
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#include <QPen>
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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class ChartPresenter;
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class QXYSeries;
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class XYChartItem : public QObject , public ChartItem
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{
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Q_OBJECT
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public:
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explicit XYChartItem(QXYSeries* series, QGraphicsItem *parent = 0);
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~ XYChartItem(){};
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QVector<QPointF> points() const {return m_points;}
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QRectF clipRect() const { return m_clipRect;}
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public slots:
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void handlePointAdded(int index);
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void handlePointRemoved(int index);
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void handlePointReplaced(int index);
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void handleDomainChanged(qreal minX, qreal maxX, qreal minY, qreal maxY);
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void handleGeometryChanged(const QRectF& size);
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signals:
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void clicked(const QPointF& point);
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protected:
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virtual void setLayout(QVector<QPointF>& points);
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virtual void updateLayout(QVector<QPointF>& oldPoints,QVector<QPointF>& newPoints,int index = 0);
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QPointF calculateGeometryPoint(const QPointF& point) const;
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QPointF calculateGeometryPoint(int index) const;
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QPointF calculateDomainPoint(const QPointF& point) const;
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QVector<QPointF> calculateGeometryPoints() const;
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void mousePressEvent( QGraphicsSceneMouseEvent * event );
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private:
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inline bool isEmpty();
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private:
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qreal m_minX;
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qreal m_maxX;
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qreal m_minY;
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qreal m_maxY;
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QXYSeries* m_series;
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QSizeF m_size;
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QRectF m_clipRect;
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QVector<QPointF> m_points;
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friend class XYAnimation;
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friend class AreaChartItem;
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};
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QTCOMMERCIALCHART_END_NAMESPACE
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#endif
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