dateaxis.h

// Name:    dateaxis.h
// Purpose: Date/time axis declaration
// Author:  Moskvichev Andrey V.
// Created: 2008/11/07
// Copyright:   (c) 2008-2010 Moskvichev Andrey V.
// Licence: wxWidgets licence

#ifndef DATEAXIS_H_
#define DATEAXIS_H_

#include <wx/axis/labelaxis.h>


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

    virtual void UpdateBounds();

    void SetDateFormat(const wxString &dateFormat)
    {
        m_dateFormat = dateFormat;
        FireAxisChanged();
    }

    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_dateCount;

    wxString m_dateFormat;
};

#endif /*DATEAXIS_H_*/