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00021 #ifndef KPTDURATION_H
00022 #define KPTDURATION_H
00023
00024 #include <qglobal.h>
00025 #include <QString>
00026
00027 namespace KPlato
00028 {
00029
00034 class Duration {
00035 public:
00042 enum Format { Format_DayTime, Format_Day, Format_Hour, Format_HourFraction, Format_i18nDayTime, Format_i18nDay, Format_i18nHour, Format_i18nHourFraction };
00043
00044 Duration();
00045 Duration(const Duration &d);
00046 Duration(unsigned d, unsigned h, unsigned m, unsigned s=0, unsigned ms=0);
00047 Duration(qint64 seconds);
00048 ~Duration();
00049
00053 void addMilliseconds(qint64 delta) { add(delta); }
00054
00058 void addSeconds(qint64 delta) { addMilliseconds(delta * 1000); }
00059
00063 void addMinutes(qint64 delta) { addSeconds(delta * 60); }
00064
00068 void addHours(qint64 delta) { addMinutes(delta * 60); }
00069
00073 void addDays(qint64 delta) { addHours(delta * 24); }
00074
00075
00076 qint64 milliseconds() const { return m_ms; }
00077 qint64 seconds() const { return m_ms / 1000; }
00078 qint64 minutes() const { return seconds() / 60; }
00079 unsigned hours() const { return minutes() / 60; }
00080 unsigned days() const { return hours() / 24; }
00081 void get(unsigned *days, unsigned *hours, unsigned *minutes, unsigned *seconds=0, unsigned *milliseconds=0) const;
00082
00083 bool operator==( const Duration &d ) const { return m_ms == d.m_ms; }
00084 bool operator==( qint64 d ) const { return m_ms == d; }
00085 bool operator!=( const Duration &d ) const { return m_ms != d.m_ms; }
00086 bool operator!=( qint64 d ) const { return m_ms != d; }
00087 bool operator<( const Duration &d ) const { return m_ms < d.m_ms; }
00088 bool operator<( qint64 d ) const { return m_ms < d; }
00089 bool operator<=( const Duration &d ) const { return m_ms <= d.m_ms; }
00090 bool operator<=( qint64 d ) const { return m_ms <= d; }
00091 bool operator>( const Duration &d ) const { return m_ms > d.m_ms; }
00092 bool operator>( qint64 d ) const { return m_ms > d; }
00093 bool operator>=( const Duration &d ) const { return m_ms >= d.m_ms; }
00094 bool operator>=( qint64 d ) const { return m_ms >= d; }
00095 Duration &operator=(const Duration &d ) { m_ms = d.m_ms; return *this;}
00096 Duration operator*(int unit) const;
00097 Duration operator*(const double value) const;
00098 Duration operator/(int unit) const;
00099 double operator/(const Duration &d) const;
00100
00101 Duration operator+(const Duration &d) const
00102 {Duration dur(*this); dur.add(d); return dur; }
00103 Duration &operator+=(const Duration &d) {add(d); return *this; }
00104
00105 Duration operator-(const Duration &d) const
00106 {Duration dur(*this); dur.subtract(d); return dur; }
00107 Duration &operator-=(const Duration &d) {subtract(d); return *this; }
00108
00109 QString toString(Format format = Format_DayTime) const;
00110 static Duration fromString(const QString &s, Format format = Format_DayTime, bool *ok=0);
00111
00112
00113 enum Unit { Unit_d, Unit_h, Unit_m, Unit_s, Unit_ms };
00114 double toDouble(Unit u=Unit_ms) const {
00115 if (u == Unit_ms) return (double)m_ms;
00116 else if (u == Unit_s) return (double)m_ms/1000.0;
00117 else if (u == Unit_m) return (double)m_ms/(1000.0*60.0);
00118 else if (u == Unit_h) return (double)m_ms/(1000.0*60.0*60.0);
00119 else if (u == Unit_d) return (double)m_ms/(1000.0*60.0*60.0*24.0);
00120 return (double)m_ms;
00121 }
00122
00126 static const Duration zeroDuration;
00127
00128 private:
00133 qint64 m_ms;
00134
00135 void add(qint64 delta);
00136 void add(const Duration &delta);
00137
00141 void subtract(const Duration &delta);
00142 };
00143
00144 }
00145
00146 #endif