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yacalendar.cpp
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yacalendar.cpp
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#include "yacalendar.h"
#include <QQmlEngine>
yacalendar::yacalendar()
{
}
QCalendar yacalendar::get_calendar() const
{
return m_calendar;
}
yacalendar::CalendarTypes yacalendar::get_type() const
{
return m_type;
}
void yacalendar::set_type(const CalendarTypes &type)
{
m_type = type;
init_calendar(m_type);
emit type_changed(m_type);
}
void yacalendar::register_calendar()
{
qmlRegisterType<yacalendar>("yacalendar", 1, 0, "CalendarSystem");
}
void yacalendar::init_calendar(yacalendar::CalendarTypes type)
{
QCalendar::System system = QCalendar::System::Gregorian;
switch (type)
{
case yacalendar::CalendarTypes::Gregorian:
system = QCalendar::System::Gregorian;
break;
case yacalendar::CalendarTypes::Julian:
system = QCalendar::System::Julian;
break;
case yacalendar::CalendarTypes::Jalali:
system = QCalendar::System::Jalali;
break;
case yacalendar::CalendarTypes::IslamicCivil:
system = QCalendar::System::IslamicCivil;
break;
case yacalendar::CalendarTypes::Milankovic:
system = QCalendar::System::Milankovic;
break;
}
m_calendar = QCalendar(system);
}
QString yacalendar::zero_pad(int number) const
{
return QString("%1").arg(number, 2, 10, QChar('0'));
}
QString yacalendar::month_name(int month, int format)
{
QLocale::FormatType format_enum = static_cast<QLocale::FormatType>(format);
return m_calendar.monthName(m_locale, month, QCalendar::Unspecified, format_enum);
}
QString yacalendar::month_name(int month, int year, int format)
{
QLocale::FormatType format_enum = static_cast<QLocale::FormatType>(format);
return m_calendar.monthName(m_locale, month, year, format_enum);
}
int yacalendar::months_in_year(int year) const
{
return m_calendar.monthsInYear(year);
}
int yacalendar::days_in_month(int month) const
{
return m_calendar.daysInMonth(month);
}
int yacalendar::days_in_month(int month, int year) const
{
return m_calendar.daysInMonth(month, year);
}
QVariantMap yacalendar::today()
{
QCalendar::YearMonthDay raw_date = m_calendar.partsFromDate(QDate::currentDate());
QVariantMap today;
today["year"] = raw_date.year;
today["month"] = raw_date.month;
today["day"] = raw_date.day;
return today;
}
QString yacalendar::format_date(const QDate &date, const QString &format)
{
return date.toString(format);
}
QString yacalendar::format_date(int year, int month, int day, const QString &format)
{
return QDate(year, month, day).toString(format);
}
QString yacalendar::date_time_tostring(const QDateTime &datetime, const QString &format)
{
return m_calendar.dateTimeToString(format, datetime, datetime.date(), datetime.time(), m_locale);
}
QVariantMap yacalendar::to_gregorian(int year, int month, int day) const
{
QDate date = m_calendar.dateFromParts(year, month, day);
QVariantMap date_map;
date_map["year"] = date.year();
date_map["month"] = date.month();
date_map["day"] = date.day();
return date_map;
}
QVariantMap yacalendar::to_system_date(int year, int month, int day) const
{
QCalendar::YearMonthDay date = m_calendar.partsFromDate(QDate(year, month, day));
QVariantMap date_map;
date_map["year"] = date.year;
date_map["month"] = date.month;
date_map["day"] = date.day;
return date_map;
}
QString yacalendar::to_system_date(const QDate &date, QChar separator, bool zero_padding) const
{
QCalendar::YearMonthDay system_date = m_calendar.partsFromDate(date);
QString year = (zero_padding) ? zero_pad(system_date.year) : QString::number(system_date.year);
QString month = (zero_padding) ? zero_pad(system_date.month) : QString::number(system_date.month);
QString day = (zero_padding) ? zero_pad(system_date.day) : QString::number(system_date.day);
QStringList result = {
year,
month,
day
};
return result.join(separator);
}
QString yacalendar::to_system_date(const QString &date, QString in_format, QChar separator, bool zero_padding) const
{
QDate gregorian_date = QDate::fromString(date, in_format);
return to_system_date(gregorian_date, separator, zero_padding);
}
QVariantMap yacalendar::diff_dates(const QDate from, const QDate to)
{
QCalendar::YearMonthDay start = m_calendar.partsFromDate(from);
QCalendar::YearMonthDay end = m_calendar.partsFromDate(to);
QVariantMap diff_map;
QCalendar::YearMonthDay diff;
if (!start.isValid() || !end.isValid())
{
diff_map["year"] = diff.year;
diff_map["month"] = diff.month;
diff_map["day"] = diff.day;
return diff_map;
}
diff.year = end.year - start.year;
diff.month = end.month - start.month;
diff.day = end.day - start.day;
if (diff.day < 0)
{
diff.month--;
if(end.month == 1)
diff.day = m_calendar.daysInMonth(m_calendar.monthsInYear(end.year-1), end.year-1) - start.day + end.day;
else
diff.day = m_calendar.daysInMonth(end.month-1, end.year) - start.day + end.day;
}
while ( from < to && diff.month < 0 )
{
diff.month = m_calendar.monthsInYear(diff.year) + diff.month;
diff.year--;
}
diff_map["year"] = diff.year;
diff_map["month"] = diff.month;
diff_map["day"] = diff.day;
return diff_map;
}
QVariantMap yacalendar::add_month(int year, int month, int day, int n_month)
{
QDate target_date = m_calendar.dateFromParts(year, month, day);
target_date = target_date.addMonths(n_month, m_calendar);
return to_system_date(target_date.year(), target_date.month(), target_date.day());
}
QVariantMap yacalendar::add_days(int year, int month, int day, int n_day)
{
QDate target_date = m_calendar.dateFromParts(year, month, day);
target_date = target_date.addDays(n_day);
return to_system_date(target_date.year(), target_date.month(), target_date.day());
}
bool yacalendar::is_between(const QDate &source_date, const QDate &from_date, const QDate &to_date, bool by_boundaries)
{
if (!by_boundaries)
return (source_date > from_date && source_date < to_date);
return (source_date >= from_date && source_date <= to_date);
}
bool yacalendar::is_date_valid(int year, int month, int day) const
{
return m_calendar.isDateValid(year, month, day);
}
QString yacalendar::to_gregorian(const QString& date, QChar in_separator, QString out_format) const
{
QStringList year_month_day = date.split(in_separator);
if (year_month_day.count() < 3)
return QString();
QDate result = m_calendar.dateFromParts(
year_month_day.at(0).toUInt(),
year_month_day.at(1).toInt(),
year_month_day.at(2).toInt()
);
return result.toString(out_format);
}
QDate yacalendar::first_day_of_month(int month, int year) const
{
QDate first_day_date = m_calendar.dateFromParts(year, month, 1);
return first_day_date;
}