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

**

** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (developer.feedback@nokia.com)

**

** This file is part of the HbWidgets module of the UI Extensions for Mobile.

**

** GNU Lesser General Public License Usage

** This file may be used under the terms of the GNU Lesser General Public

** License version 2.1 as published by the Free Software Foundation and

** appearing in the file LICENSE.LGPL included in the packaging of this file.

** Please review the following information to ensure the GNU Lesser General

** Public License version 2.1 requirements will be met:

** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at developer.feedback@nokia.com.

**

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

#ifndef HBDATETIMEPICKER_P_H

#define HBDATETIMEPICKER_P_H

#include "hbwidget_p.h"

#include "hbtumbleview.h"

#include "hbdatetimepicker.h"

#include "hbextendedlocale.h"

#include <QStringListModel>

#include <QGraphicsLinearLayout>

#include <QDateTime>

#include <QGraphicsWidget>

#include <QList>

#define HBDATETIMEPICKER_TIME_MIN QTime(0, 0, 0, 0)

#define HBDATETIMEPICKER_TIME_MAX QTime(23, 59, 59, 999)

#define HBDATETIMEPICKER_DATE_MIN QDate(1900, 1, 1) //15th Oct 4713 B.C.

//#define HBDATETIMEPICKER_DATE_MIN QDate(-4713, 10, 15) //15th Oct 4713 B.C.

#define HBDATETIMEPICKER_DATE_MAX QDate(2099, 1, 1)

//#define HBDATETIMEPICKER_DATE_MAX QDate(9999, 12, 31)

#define HBDATETIMEPICKER_DATETIME_MAX QDateTime(HBDATETIMEPICKER_DATE_MAX, HBDATETIMEPICKER_TIME_MAX)

#define HBDATETIMEPICKER_DATETIME_MIN QDateTime(HBDATETIMEPICKER_DATE_MIN, HBDATETIMEPICKER_TIME_MIN)

class HbDateTimeParser

{

public:

    HbDateTimeParser(){

    }

    ~HbDateTimeParser(){

    }

    enum Section {

        NoSection = 0x00000,

        AmPmSection = 0x00001,

        MSecSection = 0x00002,

        SecondSection = 0x00004,

        MinuteSection = 0x00008,

        Hour12Section   = 0x00010,

        Hour24Section   = 0x00020,

        TimeSectionMask = (AmPmSection|MSecSection|SecondSection|MinuteSection|Hour12Section|Hour24Section),

//        Internal = 0x10000,

        DaySection = 0x00100,

        MonthSection = 0x00200,

        YearSection = 0x00400,

        YearSection2Digits = 0x00800,

        DayOfWeekSection = 0x01000,

        DateSectionMask = (DaySection|MonthSection|YearSection|YearSection2Digits|DayOfWeekSection),

        //FirstSection = 0x02000|Internal,

        //LastSection = 0x04000|Internal,

        //CalendarPopupSection = 0x08000|Internal,

        //NoSectionIndex = -1,

        //FirstSectionIndex = -2,

        //LastSectionIndex = -3,

        //CalendarPopupIndex = -4

    }; // duplicated from qdatetimeedit.h

    Q_DECLARE_FLAGS(Sections, Section)

    struct SectionNode {

        Section type;

        mutable int pos;

        int count;

    };

    bool parseFormat(const QString& format);

    int sectionSize(int index) const;

    int sectionPos(int index) const;

    int sectionPos(const SectionNode &sn) const;

    const SectionNode &sectionNode(int index) const;

    QString mDisplayFormat;

    Sections mDisplaySections;

    QVector<SectionNode> mSectionNodes;

    QStringList mSeparators;

};

class HbDateTimePickerPrivate : public HbWidgetPrivate

{

    Q_DECLARE_PUBLIC(HbDateTimePicker)

public:

    HbDateTimePickerPrivate();

    ~HbDateTimePickerPrivate();

    void init(QVariant::Type type = QVariant::Date);

    QString localeDateTimeFormat(const QVariant::Type &mode);

    bool isFormatValid(const QString &newFormat);

    void parseDisplayFormat(const QString &format);

    void rearrangeTumbleViews();

    void makeConnections();

    void removeConnections();

    void setRanges();

    void emitDateChange();

    void emitTimeChange();

    void emitDateTimeChange();

    void syncVisualDate();

    void setDateTimeRange(const QDateTime &start

        , const QDateTime &end);

    void setDateTime(const QDateTime &newDateTime);

    void setMinimumDateTime(const QDateTime &newMinDateTime);

    void setMaximumDateTime(const QDateTime &newMaxDateTime);

    //helpers

    void setYearRange(int start,int end);

    void setMonthRange(int start,int end);

    void setDayRange(int start,int end);

    void setHourRange(int start,int end);

    void setMinuteRange(int start,int end);

    void setSecondRange(int start,int end);

    void setAmPm();

    //mix max testers

    inline bool isMinimumYear() { return mMinimumDate.date().year() == mDateTime.date().year(); }

    inline bool isMaximumYear() { return mMaximumDate.date().year() == mDateTime.date().year(); }

    inline bool isMinimumMonth() { return mMinimumDate.date().month() == mDateTime.date().month(); }

    inline bool isMaximumMonth() { return mMaximumDate.date().month() == mDateTime.date().month(); }

    inline bool isMinimumHour() { return mMinimumDate.time().hour() == mDateTime.time().hour(); }

    inline bool isMaximumHour() { return mMaximumDate.time().hour() == mDateTime.time().hour(); }

    inline bool isMinimumMinute() { return mMinimumDate.time().minute() == mDateTime.time().minute(); }

    inline bool isMaximumMinute() { return mMaximumDate.time().minute() == mDateTime.time().minute(); }

    QString localeYear(int year);//depending on current format returns the year

    QString localeMonth(int month);

    QString localeDay(int day);

    QString localeHour(int hour);

    QString localeMinute(int minute);

    QString localeSecond(int second);

    QString localeAmPm(bool getAm);

    //helper routine

    void resizeModel(QStringListModel *model,

        int oldStart, int oldEnd,

        int newStart, int newEnd,

        QString (HbDateTimePickerPrivate::*localeFuncPtr)(int));

    void createPrimitives();

    void createDividers();

    void updateDividers();

    void deleteAndNull(HbTumbleView*& t) {

        delete t;t=0;

    }

    void deleteAndNull(QStringListModel*& t) {

        delete t;t=0;

    }

public: 

    void _q_dayChanged(int index);

    void _q_monthChanged(int index);

    void _q_yearChanged(int index);

    void _q_hoursChanged(int index);

    void _q_minutesChanged(int index);

    void _q_secondsChanged(int index);

    void _q_ampmChanged(int index);

public:

    HbTumbleView *mDayPicker;

    HbTumbleView *mMonthPicker;

    HbTumbleView *mYearPicker;

    HbTumbleView *mHourPicker;

    HbTumbleView *mMinutePicker;

    HbTumbleView *mSecondPicker;

    HbTumbleView *mAmPmPicker;

    QStringListModel *mDayModel;

    QStringListModel *mMonthModel;

    QStringListModel *mYearModel;

    QStringListModel *mHourModel;

    QStringListModel *mMinuteModel;

    QStringListModel *mSecondModel;

    QStringListModel *mAmPmModel;

    int mYearOffset; 

    int mMonthOffset;

    int mDayOffset;

    int mHourOffset;

    int mMinuteOffset;

    int mSecondOffset;

    QDateTime mDateTime;

    QDateTime mMinimumDate;

    QDateTime mMaximumDate;

    QVariant::Type mDateTimeMode;

    QGraphicsLinearLayout *mLayout;

    QString mFormat;

    HbDateTimeParser mParser;

    QList<HbDateTimeParser::Section> mDisplaySections;

    QString mYearFormat;

    QString mMonthFormat;

    QString mDayFormat;

    QString mHourFormat;

    QString mMinuteFormat;

    QString mSecondFormat;

    bool mIs24HourFormat;

    bool mIsTwoDigitYearFormat;

    HbExtendedLocale mLocale;

    //graphics items/style items

    QGraphicsItem *mBackground;

    QGraphicsItem *mFrame;

    HbWidget *mContent;

    QList<QGraphicsWidget *> mDividers;

};

#endif //HBDATETIMEPICKER_P_H