categoryaxis.h

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

#ifndef CATEGORYAXIS_H_
#define CATEGORYAXIS_H_

#include <wx/axis/labelaxis.h>

class WXDLLIMPEXP_FREECHART CategoryAxis : public LabelAxis
{
    DECLARE_CLASS(CategoryAxis)
public:
    CategoryAxis(AXIS_LOCATION location);
    virtual ~CategoryAxis();

    virtual void UpdateBounds();

    virtual void GetDataBounds(double &minValue, double &maxValue) const;

protected:
    virtual bool AcceptDataset(Dataset *dataset);

    //
    // LabelAxis
    //
    virtual double GetValue(size_t step);

    virtual void GetLabel(size_t step, wxString &label);

    virtual bool IsEnd(size_t step);

    virtual wxSize GetLongestLabelExtent(wxDC &dc);

private:
    size_t m_categoryCount;
    wxString m_longestCategory;
};

#endif /*CATEGORYAXIS_H_*/