102 lines
3.9 KiB
C#
102 lines
3.9 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;
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using UnitsNet.Units;
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namespace CaeGlobals
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{
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public class StringFrequencyConverter : TypeConverter
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{
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// Variables
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protected static FrequencyUnit _frequencyUnit = FrequencyUnit.Hertz;
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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 == "") _frequencyUnit = (FrequencyUnit)MyUnit.NoUnit;
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else _frequencyUnit = Frequency.ParseUnit(value);
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}
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}
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// Constructors
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public StringFrequencyConverter()
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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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// Convert to string
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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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if ((int)_frequencyUnit != MyUnit.NoUnit) valueString += " " + Frequency.GetAbbreviation(_frequencyUnit);
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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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Frequency frequency = Frequency.Parse(valueWithUnitString);
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if ((int)_frequencyUnit != MyUnit.NoUnit) frequency = frequency.ToUnit(_frequencyUnit);
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return frequency.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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string abb;
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string supportedUnitAbbreviations = "Supported frequency abbreviations: ";
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var allUnits = Frequency.Units;
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for (int i = 0; i < allUnits.Length; i++)
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{
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abb = Frequency.GetAbbreviation(allUnits[i]);
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if (abb != null) abb.Trim();
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if (abb.Length > 0) supportedUnitAbbreviations += abb;
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if (i != allUnits.Length - 1) supportedUnitAbbreviations += ", ";
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}
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supportedUnitAbbreviations += ".";
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//
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return supportedUnitAbbreviations;
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}
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}
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}
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