categorydataset.h

// Name:    categorydataset.h
// Purpose: category dataset declarations
// Author:  Moskvichev Andrey V.
// Created: 2008/11/07
// Copyright:   (c) 2008-2010 Moskvichev Andrey V.
// Licence: wxWidgets licence

#ifndef CATEGORYDATASET_H_
#define CATEGORYDATASET_H_

#include <wx/dataset.h>
#include <wx/bars/barrenderer.h>

class WXDLLIMPEXP_FREECHART CategoryDataset : public XYDataset
{
    DECLARE_CLASS(XYDataset)
public:
    CategoryDataset();
    virtual ~CategoryDataset();

    virtual double GetValue(size_t index, size_t serie) = 0;

    virtual wxString GetName(size_t index) = 0;

    virtual size_t GetCount() = 0;

    virtual bool HasValue(size_t index, size_t serie);

    virtual double GetMinValue(bool verticalAxis);

    virtual double GetMaxValue(bool verticalAxis);

    //
    // XYDataset
    //
    virtual double GetX(size_t index, size_t serie);

    virtual double GetY(size_t index, size_t serie);

    virtual size_t GetCount(size_t serie);

    BarRenderer *GetRenderer()
    {
        return (BarRenderer *) m_renderer;
    }

protected:
    virtual bool AcceptRenderer(Renderer *r);
};

#endif /*CATEGORYDATASET_H_*/