##// END OF EJS Templates
model prototyping for bar chart
model prototyping for bar chart

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bargroupbase.h
74 lines | 2.0 KiB | text/x-c | CLexer
#ifndef BARGROUPBASE_H
#define BARGROUPBASE_H
#include "charttheme_p.h"
#include "chartitem_p.h"
//#include "barlabel_p.h"
//#include "bar_p.h"
#include "barchartseriesbase.h"
#include "barchartmodel_p.h"
#include <QGraphicsItem>
QTCOMMERCIALCHART_BEGIN_NAMESPACE
// Base Class for bar groups. Common implemantation of different groups. Not to be instantiated.
class BarGroupBase : public QObject, public ChartItem
{
Q_OBJECT
public:
BarGroupBase(BarChartSeriesBase& series, QGraphicsItem *parent = 0);
// BarGroupBase(BarChartModel& model, QGraphicsItem *parent = 0);
void setSeparatorsVisible(bool visible = true);
public: // From ChartItem
void setSize(const QSizeF &size){};
void setPlotDomain(const PlotDomain& data){};
// From QGraphicsItem
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
QRectF boundingRect() const;
// From ChartThemeObserver
void themeChanged(ChartTheme *theme);
// TODO: these may change with layout awarness.
void setBarWidth( int w );
int addColor( QColor color );
void resetColors();
virtual void dataChanged(); // data of series has changed -> need to recalculate bar sizes
virtual void layoutChanged() = 0; // layout has changed -> need to recalculate bar sizes
protected slots:
void handleModelChanged(int index);
void handleDomainChanged(const Domain& domain);
void handleGeometryChanged(const QRectF& size);
protected:
//BarChartSeriesBase& mSeries;
// TODO: consider these.
int mMin; // Min and max values of data. (updated when data is changed, used when drawing)
int mMax;
int mHeight; // Layout spesific
int mWidth;
int mBarDefaultWidth;
bool mLayoutSet; // True, if component has been laid out.
bool mLayoutDirty;
QList<QColor> mColors; // List of colors for series for now
ChartTheme* mTheme;
bool mSeparatorsVisible;
BarChartModel mModel;
};
QTCOMMERCIALCHART_END_NAMESPACE
#endif // BARGROUPBASE_H