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#ifndef SCATTERPRESENTER_H
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#define SCATTERPRESENTER_H
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#include "qchartglobal.h"
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#include "xychartitem_p.h"
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#include <QGraphicsEllipseItem>
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#include <QPen>
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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class QScatterSeries;
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class Marker;
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class ScatterChartItem : public XYChartItem
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{
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Q_OBJECT
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public:
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explicit ScatterChartItem(QScatterSeries *series, QGraphicsItem *parent = 0);
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public:
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//from QGraphicsItem
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QRectF boundingRect() const;
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void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
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void setPen(const QPen& pen);
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void setBrush(const QBrush& brush);
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void markerSelected(Marker* item);
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signals:
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void clicked(const QPointF& point);
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public slots:
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void handleUpdated();
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private:
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void createPoints(int count);
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void deletePoints(int count);
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protected:
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virtual void setGeometry(QVector<QPointF>& points);
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private:
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QScatterSeries *m_series;
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QGraphicsItemGroup m_items;
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int m_shape;
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int m_size;
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QRectF m_rect;
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};
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class Marker: public QAbstractGraphicsShapeItem
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{
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public:
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Marker(QAbstractGraphicsShapeItem* item , ScatterChartItem* parent):QAbstractGraphicsShapeItem(0),m_item(item),m_parent(parent)
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{
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};
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~Marker()
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{
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delete m_item;
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}
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void setIndex(int index)
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{
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m_index=index;
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}
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int index() const
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{
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return m_index;
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}
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QPainterPath shape() const
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{
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return m_item->shape();
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}
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QRectF boundingRect() const
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{
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return m_item->boundingRect();
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}
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bool contains(const QPointF &point) const
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{
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return m_item->contains(point);
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}
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void setPen(const QPen& pen)
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{
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m_item->setPen(pen);
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}
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void setBrush(const QBrush& brush)
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{
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m_item->setBrush(brush);
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}
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void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
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{
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m_item->paint(painter,option,widget);
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}
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protected:
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void mousePressEvent( QGraphicsSceneMouseEvent * event )
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{
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m_parent->markerSelected(this);
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}
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private:
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QAbstractGraphicsShapeItem* m_item;
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ScatterChartItem* m_parent;
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int m_index;
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};
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QTCOMMERCIALCHART_END_NAMESPACE
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#endif // SCATTERPRESENTER_H
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