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#ifndef CHART_H
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#define CHART_H
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#include <qchartglobal.h>
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#include <qchartseries.h>
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#include <QGraphicsObject>
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#include <QLinearGradient>
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#include <QFont>
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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class AxisItem;
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class QChartSeries;
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class PlotDomain;
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class ChartItem;
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class BarGroup;
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class QChartAxis;
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// TODO: We don't need to have QChart tied to QGraphicsItem:
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//class QTCOMMERCIALCHART_EXPORT QChart
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//class QTCOMMERCIALCHART_EXPORT QChartGraphicsItem : public QGraphicsItem {
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// public: QChartGraphicsItem(QChart &chart);
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/*!
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* TODO: define the responsibilities
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*/
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class QTCOMMERCIALCHART_EXPORT QChart : public QGraphicsObject
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{
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Q_OBJECT
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public:
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enum GradientOrientation {
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HorizonatlGradientOrientation,
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VerticalGradientOrientation
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};
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enum ChartThemeId {
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/*! The default theme follows the GUI style of the Operating System */
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ChartThemeDefault = 0,
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ChartThemeVanilla,
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ChartThemeIcy,
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ChartThemeGrayscale,
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//ChartThemeScientific,
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ChartThemeUnnamed1
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};
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public:
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QChart(QGraphicsObject* parent = 0);
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~QChart();
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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 addSeries(QChartSeries* series);
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//TODO: QChartSeries* createSeries(QSeriesData *data, QChartSeries::QChartSeriesType type);
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// TODO: who owns the series now? maybe owned by chart and returned a reference instead...
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QChartSeries* createSeries(QChartSeries::QChartSeriesType type);
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void setSize(const QSize& size);
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void setMargin(int margin);
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int margin() const;
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void setTheme(QChart::ChartThemeId theme);
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void setTitle(const QString& title,const QFont& font = QFont());
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void setBackground(const QColor& startColor, const QColor& endColor = Qt::white, GradientOrientation orientation = VerticalGradientOrientation);
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void zoomInToRect(const QRect& rectangle);
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void zoomIn();
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void zoomOut();
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void setAxisX(const QChartAxis& axis);
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void setAxisY(const QChartAxis& axis);
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void setAxisY(const QList<QChartAxis>& axis);
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private:
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void setAxis(AxisItem *item, const QChartAxis& axis);
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signals:
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//TODO chage to const QSize& size
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void sizeChanged(QRectF rect);
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void scaleChanged(qreal xscale, qreal yscale);
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private:
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QColor nextColor();
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Q_DISABLE_COPY(QChart)
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QGraphicsRectItem* m_backgroundItem;
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QLinearGradient m_backgroundGradient;
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GradientOrientation m_bacgroundOrinetation;
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QGraphicsTextItem* m_titleItem;
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AxisItem* m_axisXItem;
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QList<AxisItem*> m_axisYItem;
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QRect m_rect;
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QList<QChartSeries*> m_chartSeries;
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QVector<PlotDomain> m_plotDomainList;
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QList<ChartItem*> m_chartItems;
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int m_plotDataIndex;
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int m_marginSize;
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QList<QColor> m_themeColors;
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};
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QTCOMMERCIALCHART_END_NAMESPACE
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#endif
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