77 lines
2.6 KiB
Plaintext
77 lines
2.6 KiB
Plaintext
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using UnityEngine;
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using System;
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using System.Collections;
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using System.Globalization;
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using System.Collections.Generic;
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using System.Linq;
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namespace UI.Dates
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{
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public static class DatePickerUtilities
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{
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public static string DateFormat = "yyyy-MM-dd";
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public static string ToDateString(this SerializableDate date)
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{
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return date.HasValue ? date.Date.ToDateString() : null;
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}
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public static string ToDateString(this DateTime date)
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{
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return date.ToString(DateFormat);
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}
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public static string[] GetAbbreviatedDayNames()
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{
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//return Shift(DateTimeFormatInfo.CurrentInfo.AbbreviatedDayNames, (int)DateTimeFormatInfo.CurrentInfo.FirstDayOfWeek);
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return Shift(DateTimeFormatInfo.CurrentInfo.AbbreviatedDayNames.Where(d => d != "").ToArray(), (int)DateTimeFormatInfo.CurrentInfo.FirstDayOfWeek);
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}
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public static List<DateTime> GetDateRangeForDisplay(DateTime date)
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{
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var list = new List<DateTime>();
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var firstDayOfMonth = new DateTime(date.Year, date.Month, 1);
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var firstDayOfWeekInCulture = DateTimeFormatInfo.CurrentInfo.FirstDayOfWeek;
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var day = firstDayOfMonth;
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while (day.DayOfWeek != firstDayOfWeekInCulture)
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{
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day = day.AddDays(-1);
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}
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for (var x = 0; x < 42; x++)
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{
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list.Add(day);
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day = day.AddDays(1);
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}
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return list;
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}
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public static bool DateFallsWithinMonth(DateTime date, DateTime month)
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{
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// We cache the results of this check because it will be performed often
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var key = date.ToDateString() + "|" + month.ToDateString();
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if (!DatePickerCache._DateFallsWithinMonthResults.ContainsKey(key))
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{
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var firstDay = new DateTime(month.Year, month.Month, 1);
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var lastDay = new DateTime(month.Year, month.Month, DateTime.DaysInMonth(month.Year, month.Month)).AddDays(1).AddTicks(-1);
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DatePickerCache._DateFallsWithinMonthResults.Add(key, date.CompareTo(firstDay) >= 0 && date.CompareTo(lastDay) <= 0);
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}
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return DatePickerCache._DateFallsWithinMonthResults[key];
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}
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internal static T[] Shift<T>(T[] array, int positions)
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{
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T[] copy = new T[array.Length];
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Array.Copy(array, 0, copy, array.Length - positions, positions);
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Array.Copy(array, positions, copy, 0, array.Length - positions);
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return copy;
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}
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}
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}
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