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#ifndef AXISITEM_H_
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#define AXISITEM_H_
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#include "domain_p.h"
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#include "chartitem_p.h"
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#include <QGraphicsItem>
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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class QChartAxis;
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class ChartPresenter;
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class AxisItem : public QObject, public ChartItem
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{
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Q_OBJECT
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public:
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enum AxisType{X_AXIS,Y_AXIS};
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AxisItem(QChartAxis* axis,ChartPresenter* presenter,AxisType type = X_AXIS,QGraphicsItem* parent = 0);
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~AxisItem();
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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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AxisType axisType() const {return m_type;};
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void setAxisOpacity(qreal opacity);
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qreal axisOpacity() const;
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void setGridOpacity(qreal opacity);
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qreal gridOpacity() const;
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void setLabelsOpacity(qreal opacity);
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qreal labelsOpacity() const;
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void setShadesOpacity(qreal opacity);
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qreal shadesOpacity() const;
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void setLabelsAngle(int angle);
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int labelsAngle()const { return m_labelsAngle; }
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void setShadesBrush(const QBrush& brush);
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void setShadesPen(const QPen& pen);
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void setAxisPen(const QPen& pen);
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void setGridPen(const QPen& pen);
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void setLabelsPen(const QPen& pen);
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void setLabelsBrush(const QBrush& brush);
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void setLabelsFont(const QFont& font);
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inline QRectF geometry() const { return m_rect; }
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inline QVector<qreal> layout() { return m_layoutVector;};
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public slots:
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void handleAxisUpdated();
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void handleAxisCategoriesUpdated();
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void handleRangeChanged(qreal min , qreal max,int tickCount);
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void handleGeometryChanged(const QRectF& size);
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private:
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inline bool isEmpty();
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void createItems(int count);
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void deleteItems(int count);
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QVector<qreal> calculateLayout() const;
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void updateLayout(QVector<qreal>& layout);
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void setLayout(QVector<qreal>& layout);
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QStringList createLabels(int ticks, qreal min, qreal max) const;
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private:
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ChartPresenter* m_presenter;
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QChartAxis* m_chartAxis;
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AxisType m_type;
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QRectF m_rect;
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int m_labelsAngle;
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QGraphicsItemGroup m_grid;
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QGraphicsItemGroup m_shades;
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QGraphicsItemGroup m_labels;
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QGraphicsItemGroup m_axis;
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QVector<qreal> m_layoutVector;
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qreal m_min;
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qreal m_max;
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int m_ticksCount;
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qreal m_zoomFactor;
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friend class AxisAnimation;
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};
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QTCOMMERCIALCHART_END_NAMESPACE
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#endif /* AXISITEM_H_ */
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