mirror of https://github.com/wagesj45/mdfinder.git
64 lines
2.5 KiB
C#
64 lines
2.5 KiB
C#
using System;
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using System.Collections.Generic;
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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.Windows.Data;
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namespace mdfinder
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{
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public class SizeConverter : IValueConverter
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{
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/// <summary> Suffix for size. </summary>
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private static readonly string[] SUFFIX = { "B", "KB", "MB", "GB", "TB", "PB", "EB" };
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/// <summary> Converts a value. </summary>
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/// <param name="value"> The value produced by the binding source. </param>
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/// <param name="targetType"> The type of the binding target property. </param>
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/// <param name="parameter"> The converter parameter to use. </param>
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/// <param name="culture"> The culture to use in the converter. </param>
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/// <returns>
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/// A converted value. If the method returns <see langword="null" />, the valid null value is
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/// used.
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/// </returns>
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/// <remarks>
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/// Thanks to user deepee1 on stackoverflow for the implementation.
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/// https://stackoverflow.com/a/4975942/1210377.
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/// </remarks>
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public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
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{
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if (value != null)
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{
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var size = (long)value;
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if (size == 0)
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{
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return "0" + SUFFIX[0];
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}
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int place = System.Convert.ToInt32(Math.Floor(Math.Log(size, 1024)));
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double num = Math.Round(size / Math.Pow(1024, place), 1);
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return (Math.Sign(size) * num).ToString() + SUFFIX[place];
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}
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else
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{
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return string.Empty;
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}
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}
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/// <summary> Converts a value. </summary>
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/// <param name="value"> The value that is produced by the binding target. </param>
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/// <param name="targetType"> The type to convert to. </param>
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/// <param name="parameter"> The converter parameter to use. </param>
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/// <param name="culture"> The culture to use in the converter. </param>
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/// <returns>
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/// A converted value. If the method returns <see langword="null" />, the valid null value is
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/// used.
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/// </returns>
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public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
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{
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throw new NotSupportedException();
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}
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}
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}
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