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t/samples/kdelibs/daterange.cpp  view on Meta::CPAN

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.

*/

#include "daterange.h"

#include "kglobal.h"
#include "klocale.h"
#include "kcalendarsystem.h"

#include <QtCore/QSharedData>
#include <QtCore/QDebug>


class DateRange::Private : public QSharedData
{
public:
    QDate m_start;
    QDate m_end;

t/samples/kdelibs/daterange.cpp  view on Meta::CPAN

QDate DateRange::end() const
{
    return d->m_end;
}


bool DateRange::isValid() const
{
    return KGlobal::locale()->calendar()->isValid(d->m_start) && KGlobal::locale()->calendar()->isValid(d->m_end) && d->m_start <= d->m_end;
}


void DateRange::setStart( const QDate& date )
{
    d->m_start = date;
}


void DateRange::setEnd( const QDate& date )

t/samples/kdelibs/daterange.cpp  view on Meta::CPAN

// static
DateRange DateRange::thisWeek( DateRangeFlags flags )
{
    return weekOf( QDate::currentDate(), flags );
}


// static
DateRange DateRange::weekOf( const QDate& date, DateRangeFlags flags )
{
    const int daysInWeek = KGlobal::locale()->calendar()->daysInWeek( date );
    const int weekStartDay = KGlobal::locale()->weekStartDay();
    const int weekEndDay = dateModulo( weekStartDay+daysInWeek-1, daysInWeek );
    const int dayOfWeek = KGlobal::locale()->calendar()->dayOfWeek( date );

    DateRange range;

    if ( weekStartDay > dayOfWeek )
        range.d->m_start = date.addDays( - (dayOfWeek + daysInWeek - weekStartDay) );
    else
        range.d->m_start = date.addDays( - (dayOfWeek - weekStartDay) );

    if ( weekEndDay < dayOfWeek )
        range.d->m_end = date.addDays( weekEndDay + daysInWeek - dayOfWeek );

t/samples/kdelibs/daterange.cpp  view on Meta::CPAN

// static
DateRange DateRange::thisMonth( DateRangeFlags flags )
{
    return monthOf( QDate::currentDate(), flags );
}


// static
DateRange DateRange::monthOf( const QDate& date, DateRangeFlags flags )
{
    DateRange range( KGlobal::locale()->calendar()->firstDayOfMonth( date ),
                     KGlobal::locale()->calendar()->lastDayOfMonth( date ) );
    if( flags & ExcludeFutureDays ) {
        const QDate today = QDate::currentDate();
        if( range.start() <= today && range.end() >= today )
            range.setEnd( today );
    }
    return range;
}



// static
DateRange DateRange::thisYear( DateRangeFlags flags )
{
    return yearOf( QDate::currentDate(), flags );
}


// static
DateRange DateRange::yearOf( const QDate& date, DateRangeFlags flags )
{
    DateRange range( KGlobal::locale()->calendar()->firstDayOfYear( date ),
                     KGlobal::locale()->calendar()->lastDayOfYear( date ) );
    if( flags & ExcludeFutureDays ) {
        const QDate today = QDate::currentDate();
        if( date.year() == today.year() )
            range.setEnd( today );
    }
    return range;
}


// static

t/samples/kdelibs/daterange.cpp  view on Meta::CPAN

{
    // This week is the first week
    DateRange range = thisWeek( false );

    // go into the previous week
    range.setStart( range.start().addDays( -1 ) );

    // from that on we go back n-1 weeks, for each of those we call daysInWeek
    for( int i = 1; i < n; ++i ) {
        QDate weekDay = range.start();
        weekDay.addDays( -KGlobal::locale()->calendar()->daysInWeek( weekDay ) );
        range.setStart( weekDay );
    }

    // go back to the start of the next week, thus, reverting the -1 we did above
    range.setStart( range.start().addDays( 1 ) );

    return range;
}


// static
DateRange DateRange::lastNMonths( int n )
{
    // This month is the first month
    DateRange range = thisMonth( false );

    // move the start n-1 months back
    range.setStart( KGlobal::locale()->calendar()->addMonths(range.start(), n-1 ) );

    return range;
}


bool operator==( const DateRange& r1, const DateRange& r2 )
{
    return r1.start() == r2.start() && r1.end() == r2.end();
}

t/samples/kdelibs/daterange.h  view on Meta::CPAN

class QDebug;

/**
 * \class DateRange daterange.h DateRange
 *
 * \brief A simple data structure storing a start and an end date.
 *
 * %DateRange is a very simple data structure storing a start and an end date.
 * The really interesting parts are the static factory methods which take the
 * current calendar system into account and, thus, create accurate values.
 *
 * \author Sebastian Trueg <trueg@kde.org>
 */
class DateRange
{
public:
    /**
     * Create a new range
     */
    DateRange( const QDate& s = QDate(),