48 lines
1.4 KiB
C#
48 lines
1.4 KiB
C#
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma warning disable CS8600
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#pragma warning disable CS8602
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Reflection;
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namespace Timing_Data_Investigator
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{
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public class PropertyComparer<TClassType> : IComparer<TClassType>
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{
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private string sCompareProperty;
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private bool bSortDescending;
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public PropertyComparer(string CompareProperty, bool SortDescending)
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{
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sCompareProperty = CompareProperty;
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bSortDescending = SortDescending;
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}
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public int Compare(TClassType? x, TClassType? y)
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{
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PropertyInfo ComparePropertyInfo = typeof(TClassType).GetProperties().FirstOrDefault(p => p.Name == sCompareProperty);
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if (ComparePropertyInfo == null)
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{
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throw new InvalidOperationException($"Class '{nameof(TClassType)}' does not contain a property named '{sCompareProperty}'!");
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}
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if (!ComparePropertyInfo.PropertyType.GetInterfaces().Any(i => i.Name.Contains("IComparable")))
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{
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throw new InvalidOperationException($"Property type '{ComparePropertyInfo.PropertyType.Name}' is not an IComparable!");
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}
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IComparable xPropValue = ComparePropertyInfo.GetValue(x) as IComparable;
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IComparable yPropValue = ComparePropertyInfo.GetValue(y) as IComparable;
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if (bSortDescending)
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{
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return yPropValue.CompareTo(xPropValue);
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}
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return xPropValue.CompareTo(yPropValue);
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}
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}
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}
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