#ifndef LINECHARTITEM_H
#define LINECHARTITEM_H

#include "qchartglobal.h"
#include "xychartitem_p.h"
#include "xychartanimationitem_p.h"
#include <QPen>

QTCOMMERCIALCHART_BEGIN_NAMESPACE

class ChartPresenter;
class QLineSeries;

class LineChartItem :  public XYChartItem
{
     Q_OBJECT
public:
     explicit LineChartItem(QLineSeries* series,QGraphicsItem *parent = 0);
    ~ LineChartItem(){};

    //from QGraphicsItem
    QRectF boundingRect() const;
    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
    QPainterPath shape() const;

    void setLinePen(const QPen& pen);
    void setPointsVisible(bool visible);

public slots:
    void handleUpdated();

protected:
    virtual void setGeometry(QVector<QPointF>& points);

private:
    void createPoints(int count);
    void deletePoints(int count);

private:
    QLineSeries* m_series;
    QGraphicsItemGroup m_items;
    QPainterPath m_path;
    QRectF m_rect;
    QPen m_pen;

    template<class,class> friend class XYChartAnimator;

};

typedef XYChartAnimationItem<LineChartItem,QLineSeries> LineChartAnimationItem;

QTCOMMERCIALCHART_END_NAMESPACE

#endif