116 lines
4.4 KiB
C#
116 lines
4.4 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Collections;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.ComponentModel;
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using System.Globalization;
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using UnitsNet.Units;
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using UnitsNet;
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namespace CaeGlobals
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{
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public class StringReciprocalTimeConverter : TypeConverter
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{
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// Variables
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protected static DurationUnit _durationUnit = DurationUnit.Second;
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protected static string error = "Unable to parse quantity. Expected the form \"{value} {unit abbreviation}" +
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"\", such as \"5.5 m\". The spacing is optional.";
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// Properties
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public static string SetUnit
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{
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set
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{
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if (value == "")
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{
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_durationUnit = (DurationUnit)MyUnit.NoUnit;
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}
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else
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{
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_durationUnit = Duration.ParseUnit(value);
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}
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}
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}
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public static string GetUnitAbbreviation(DurationUnit durationUnit)
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{
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if ((int)durationUnit == MyUnit.NoUnit) return "";
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else return "/" + Duration.GetAbbreviation(durationUnit);
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}
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// Constructors
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public StringReciprocalTimeConverter()
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{
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}
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// Methods
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public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType)
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{
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if (sourceType == typeof(string)) return true;
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else return base.CanConvertFrom(context, sourceType);
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}
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public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
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{
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// Convert from string
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if (value is string valueString) return MyNCalc.ConvertFromString(valueString, ConvertToCurrentUnits);
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else return base.ConvertFrom(context, culture, value);
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}
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public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
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{
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try
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{
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if (destinationType == typeof(string))
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{
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if (value is double valueDouble)
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{
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string valueString = valueDouble.ToString();
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string unit = GetUnitAbbreviation(_durationUnit);
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if (unit.Length > 0) valueString += " " + unit;
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return valueString;
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}
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}
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return base.ConvertTo(context, culture, value, destinationType);
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}
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catch
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{
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return base.ConvertTo(context, culture, value, destinationType);
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}
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}
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//
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public static double ConvertToCurrentUnits(string valueWithUnitString)
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{
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try
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{
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valueWithUnitString = valueWithUnitString.Trim().Replace(" ", "");
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//
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string[] tmp = valueWithUnitString.Split('/');
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if (tmp.Length != 2) throw new FormatException(error);
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//
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double baseValue;
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if (!double.TryParse(tmp[0], out baseValue)) throw new FormatException(error);
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// NoUnit
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if ((int)_durationUnit == MyUnit.NoUnit) return baseValue;
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//
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DurationUnit durationUnit = Duration.ParseUnit(tmp[1]);
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Duration duration = Duration.From(1, durationUnit).ToUnit(_durationUnit);
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//
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double value = baseValue / duration.Value;
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return value;
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}
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catch (Exception ex)
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{
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throw new Exception(ex.Message + Environment.NewLine + Environment.NewLine + SupportedUnitAbbreviations());
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}
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}
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public static string SupportedUnitAbbreviations()
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{
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return StringTimeConverter.SupportedUnitAbbreviations();
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}
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}
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}
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