ScaleDraw.h

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/***************************************************************************
    File                 : ScaleDraw.h
    Project              : SciDAVis
    --------------------------------------------------------------------
    Copyright            : (C) 2006 by Ion Vasilief, Tilman Benkert
    Email (use @ for *)  : ion_vasilief*yahoo.fr, thzs*gmx.net
    Description          : Extension to QwtScaleDraw

 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *  This program is free software; you can redistribute it and/or modify   *
 *  it under the terms of the GNU General Public License as published by   *
 *  the Free Software Foundation; either version 2 of the License, or      *
 *  (at your option) any later version.                                    *
 *                                                                         *
 *  This program is distributed in the hope that it will be useful,        *
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of         *
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
 *  GNU General Public License for more details.                           *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the Free Software           *
 *   Foundation, Inc., 51 Franklin Street, Fifth Floor,                    *
 *   Boston, MA  02110-1301  USA                                           *
 *                                                                         *
 ***************************************************************************/
#ifndef SCALES_H
#define SCALES_H

#include <QDateTime>
#include <QStringList>
#include <QLocale>
#include <QMap>

#include <qwt_scale_draw.h>

class ScaleDraw: public QwtScaleDraw
{
public:
    enum TicksStyle{None = 0, Out = 1, Both = 2, In = 3};

    ScaleDraw(const QString& s = QString::null);
    ScaleDraw(const ScaleDraw &other, const QString &s = QString::null);
    virtual ~ScaleDraw(){};

    QString formulaString() {return formula_string;};
    void setFormulaString(const QString& formula) {formula_string = formula;};

    double transformValue(double value) const;

    virtual QwtText label(double value) const
    {
    return QwtText(QLocale().toString(transformValue(value), d_fmt, d_prec));
    };

    void labelFormat(char &f, int &prec) const;
    void setLabelFormat(char f, int prec);

    int labelNumericPrecision() const { return d_prec; };

    int majorTicksStyle() const { return d_majTicks; };
    void setMajorTicksStyle(TicksStyle type){d_majTicks = type;};

    int minorTicksStyle() const { return d_minTicks; };
    void setMinorTicksStyle(TicksStyle type){d_minTicks = type;};

protected:
    void drawTick(QPainter *p, double value, int len) const;

private:
    QString formula_string;
    char d_fmt;
    int d_prec;
    int d_minTicks, d_majTicks;
};

class QwtTextScaleDraw: public ScaleDraw
{
public:
    QwtTextScaleDraw(const QMap<int, QString>& list);
    QwtTextScaleDraw(const ScaleDraw &other, const QMap<int, QString>& list) :
        ScaleDraw(other), labels(list)
    {}
    ~QwtTextScaleDraw(){};

    QwtText label(double value) const;

    QStringList labelsList() { return QStringList(labels.values()); }
    QMap<int, QString> labelsMap() { return labels; }
    void setLabelsMap(const QMap<int, QString>& list) { labels = list; }
private:
    QMap<int, QString> labels;
};

class TimeScaleDraw: public ScaleDraw
{
public:
    TimeScaleDraw(const QTime& t, const QString& format);
    TimeScaleDraw(const ScaleDraw &other, const QTime& t, const QString& format) :
        ScaleDraw(other), t_origin(t), t_format(format)
    {}
    ~TimeScaleDraw(){};

    QString origin();
    QString timeFormat() {return t_format;};

    QwtText label(double value) const;

private:
    QTime t_origin;
    QString t_format;
};

class DateScaleDraw: public ScaleDraw
{
public:
    DateScaleDraw(const QDate& t, const QString& format);
    DateScaleDraw(const ScaleDraw &other, const QDate& t, const QString& format) :
        ScaleDraw(other), t_origin(t), t_format(format)
    {}
    ~DateScaleDraw(){};

    QString origin();

    QString format() {return t_format;};
    QwtText label(double value) const;

private:
    QDate t_origin;
    QString t_format;
};

class DateTimeScaleDraw: public ScaleDraw
{
public:
    DateTimeScaleDraw(const QDateTime & origin, const QString & format);
    DateTimeScaleDraw(const ScaleDraw &other, const QDateTime & origin, const QString & format)
        : ScaleDraw(other), d_origin(origin), d_format(format)
    {}
    ~DateTimeScaleDraw(){};

    QString origin();

    QString format() { return d_format; };
    QwtText label(double value) const;

private:
    QDateTime d_origin;
    QString d_format;
};

class WeekDayScaleDraw: public ScaleDraw
{
public:
    enum NameFormat{ShortName, LongName, Initial};

    WeekDayScaleDraw(NameFormat format = ShortName);
    WeekDayScaleDraw(const ScaleDraw &other, NameFormat format = ShortName) :
        ScaleDraw(other), d_format(format)
    {}
    ~WeekDayScaleDraw(){};

    NameFormat format() {return d_format;};
    QwtText label(double value) const;

private:
    NameFormat d_format;
};

class MonthScaleDraw: public ScaleDraw
{
public:
    enum NameFormat{ShortName, LongName, Initial};

    MonthScaleDraw(NameFormat format = ShortName);
    MonthScaleDraw(const ScaleDraw &other, NameFormat format = ShortName) :
        ScaleDraw(other), d_format(format)
    {}
    ~MonthScaleDraw(){};

    NameFormat format() {return d_format;};
    QwtText label(double value) const;

private:
    NameFormat d_format;
};

class QwtSupersciptsScaleDraw: public ScaleDraw
{
public:
    QwtSupersciptsScaleDraw(const QString& s = QString::null);
    QwtSupersciptsScaleDraw(const ScaleDraw &other, const QString& s = QString::null) :
        ScaleDraw(other)
    {
        setFormulaString(s);
    }
    ~QwtSupersciptsScaleDraw(){};

    QwtText label(double value) const;
};

#endif