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153 行
4.3 KiB

using System;
using Unity.UIWidgets.foundation;
using Unity.UIWidgets.widgets;
namespace Unity.UIWidgets.material {
public enum DayPeriod {
am,
pm,
}
public class TimeOfDay : IEquatable<TimeOfDay> {
public TimeOfDay(int hour, int minute) {
this.hour = hour;
this.minute = minute;
}
public static TimeOfDay fromDateTime(DateTime time) {
return new TimeOfDay(
hour: time.Hour,
minute: time.Minute
);
}
public static TimeOfDay now() {
return fromDateTime(DateTime.Now);
}
public static readonly int hoursPerDay = 24;
public static readonly int hoursPerPeriod = 12;
public static readonly int minutesPerHour = 60;
public TimeOfDay replacing(int? hour = null, int? minute = null) {
D.assert(hour == null || (hour >= 0 && hour < hoursPerDay));
D.assert(minute == null || (minute >= 0 && minute < minutesPerHour));
return new TimeOfDay(hour: hour ?? this.hour, minute: minute ?? this.minute);
}
public readonly int hour;
public readonly int minute;
public DayPeriod period {
get { return hour < hoursPerPeriod ? DayPeriod.am : DayPeriod.pm; }
}
public int hourOfPeriod {
get { return hour - periodOffset; }
}
public int periodOffset {
get { return period == DayPeriod.am ? 0 : hoursPerPeriod; }
}
public string format(BuildContext context) {
D.assert(WidgetsD.debugCheckHasMediaQuery(context));
D.assert(MaterialD.debugCheckHasMaterialLocalizations(context));
MaterialLocalizations localizations = MaterialLocalizations.of(context);
return localizations.formatTimeOfDay(
this,
alwaysUse24HourFormat: MediaQuery.of(context).alwaysUse24HourFormat
);
}
static string _addLeadingZeroIfNeeded(int value) {
if (value < 10) {
return "0" + value;
}
return value.ToString();
}
public bool Equals(TimeOfDay other) {
if (ReferenceEquals(null, other)) {
return false;
}
if (ReferenceEquals(this, other)) {
return true;
}
return hour == other.hour && minute == other.minute;
}
public override bool Equals(object obj) {
if (ReferenceEquals(null, obj)) {
return false;
}
if (ReferenceEquals(this, obj)) {
return true;
}
if (obj.GetType() != GetType()) {
return false;
}
return Equals((TimeOfDay) obj);
}
public override int GetHashCode() {
unchecked {
return (hour * 397) ^ minute;
}
}
public static bool operator ==(TimeOfDay left, TimeOfDay right) {
return Equals(left, right);
}
public static bool operator !=(TimeOfDay left, TimeOfDay right) {
return !Equals(left, right);
}
public override string ToString() {
string hourLabel = _addLeadingZeroIfNeeded(hour);
string minuteLabel = _addLeadingZeroIfNeeded(minute);
return $"TimeOfDay({hourLabel}:{minuteLabel})";
}
}
public enum TimeOfDayFormat {
HH_colon_mm,
HH_dot_mm,
frenchCanadian,
H_colon_mm,
h_colon_mm_space_a,
a_space_h_colon_mm,
}
public enum HourFormat {
HH,
H,
h,
}
public static class HourFormatUtils {
public static HourFormat hourFormat(TimeOfDayFormat of) {
switch (of) {
case TimeOfDayFormat.h_colon_mm_space_a:
case TimeOfDayFormat.a_space_h_colon_mm:
return HourFormat.h;
case TimeOfDayFormat.H_colon_mm:
return HourFormat.H;
case TimeOfDayFormat.HH_dot_mm:
case TimeOfDayFormat.HH_colon_mm:
case TimeOfDayFormat.frenchCanadian:
return HourFormat.HH;
}
throw new Exception("unknown format: " + of);
}
}
}