/**
*  Copyright Mikael Högdahl - triyana@users.sourceforge.net
*
*  This source is distributed under the terms of the Q Public License version 1.0,
*  created by Trolltech (www.trolltech.com).
*/

#ifndef MHDayChart_h
#define MHDayChart_h

#include "MHDate.h"
#include "MHString.h"
#include "MHVector.h"

class MHDC;
class MHPrice;



/**
*
*/
class MHXValue : public MH {
public:
    MHString                aMinDate;
    MHString                aMaxDate;
    double                  aMin;
    double                  aMax;
    double                  aTick;
    double                  aYPixel;
    bool                    aLeft;

                            MHXValue();
    void                    Clear (bool left = true);
    double                  Diff () {return aMax - aMin;}
    void                    Debug ();
};






/**
* Store data for a chart area
*/
class MHArea : public MH {
public:
    double                  aXPos;
    double                  aYPos;
    double                  aWidth;
    double                  aHeight;
    MHXValue                aLeft;
    MHXValue                aRight;
    double                  aSize;

                            MHArea ();
    void                    Clear ();
    void                    Debug ();
};






/**
* Chart line object
*/
class MHChartLine : public MH {
public:
    int                     aType;
    int                     aAlign;
    int                     aPos;
    MHString                aName;
    MHVector*               aPrices;
    MHVector*               aClosed;

                            MHChartLine ();
    void                    Clear ();
    void                    Debug ();
};






/**
* This is a chart object for date charts.
*/
class MHDayChart : public MH {
public:
    enum {
                            LEFT = 0,
                            RIGHT,

                            MAX_DATA_AREAS  = 5,
                            MAX_DATA_SERIES = 30,
                            MIN_AREA_HEIGHT = 10,

                            LINE_CHART = 1,
                            LINE_CHART_HORIZONTAL_BLACK,
                            LINE_CHART_HORIZONTAL_GRAY,
                            VERTICAL_CHART,
                            BAR_CHART,
                            VOLUME_CHART,
                            RECTANGLE_CHART,
                            GREY_RECTANGLE_CHART,
    };

                            MHDayChart (int vspace, int bspace, int vsize1 = 100, int vsize2 = 0, int vsize3 = 0, int vsize4 = 0, int vsize5 = 0);
    virtual                 ~MHDayChart ();

    void                    AddData (const char* name, int type, int align, int pos, MHVector* ve, MHVector* ve2 = 0);
    void                    AddDates (int timeType = MHDate::WEEKDAY);
    const char*             Class () {return "MHDayChart";}
    void                    Clear ();
    void                    Debug ();
    void                    Init (MHDC* dc);
    void                    Paint (MHDC* dc);
    void                    Query (int x, int y, MHPrice* left, MHPrice* right);

private:
    MHArea                  aAreas[MAX_DATA_AREAS + 1];
    MHChartLine             aLine[MAX_DATA_SERIES + 1];
    int                     aLines;
    int                     aWidth;
    int                     aHeight;
    int                     aVSpace;
    int                     aBSpace;
    int                     aTopBorder;
    int                     aBottomBorder;
    int                     aLeftBorder;
    int                     aRightBorder;
    int                     aTimeType;
    bool                    aFirstTime;

    void                    calcSize (MHDC* dc);
    void                    calcYMinYMax ();
    void                    calcYTick (MHXValue* val);
    void                    drawArea (int f, MHDC* dc);
    void                    drawLabel (int x, int y, int labelpos, MHChartLine* line, MHDC* dc);
    void                    drawLine (MHChartLine* line, MHArea* area, MHDC* dc);
    void                    drawVerLines (int f, MHDC* dc);
    void                    drawXLabels (MHDC* dc);
    void                    drawYLabels (int x1, int x2, double start, double stop, MHXValue* value, MHDC* dc);

public:
    int                     aVerPos[100];
    MHVector                aDates;
    bool                    aHorLines;
    bool                    aVerLines;
    int                     aDateStart;
    int                     aTicks;
    int                     aTickWidth;
    int                     aBgColor;
};

#endif