movingaverage.h

// Name:    movingavg.h
// Purpose: moving average declaration
// Author:  Moskvichev Andrey V.
// Created: 2010/12/17
// Copyright:   (c) 2010 Moskvichev Andrey V.
// Licence: wxWidgets licence

#ifndef MOVINGAVERAGE_H_
#define MOVINGAVERAGE_H_

#include <wx/xy/xydataset.h>
#include <wx/ohlc/ohlcdataset.h>

class WXDLLIMPEXP_FREECHART MovingAverage : public XYDataset, public DatasetObserver
{
    DECLARE_CLASS(MovingAverage)
public:
    MovingAverage(OHLCDataset *ohlcDataset, int period);
    virtual ~MovingAverage();

    virtual size_t GetSerieCount();

    virtual wxString GetSerieName(size_t serie);

    virtual size_t GetCount(size_t serie);

    virtual double GetX(size_t index, size_t serie);

    virtual double GetY(size_t index, size_t serie);

    //
    // DatasetObserver
    //
    virtual void DatasetChanged(Dataset *dataset);

private:
    OHLCDataset *m_ohlcDataset;
    int m_period;
};

#endif /* MOVINGAVERAGE_H_ */