82 lines
3.1 KiB
C#
82 lines
3.1 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 StringLengthPixelConverter : TypeConverter
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{
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// Variables
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protected static string pixelAbbreviation = "px";
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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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// Constructors
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public StringLengthPixelConverter()
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{
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}
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// Methods
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public override bool CanConvertFrom(ITypeDescriptorContext context, System.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 (int)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 int valueInt)
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{
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return valueInt.ToString() + " " + pixelAbbreviation;
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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.Replace(pixelAbbreviation, "");
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return int.Parse(valueWithUnitString);
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}
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catch (Exception ex)
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{
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throw new Exception(error + 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 supportedUnitAbbreviations = "Supported pixel abbreviations: " + pixelAbbreviation + ".";
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return supportedUnitAbbreviations;
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}
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}
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}
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