File scoped namespace

src/GuiApp/Avalonia/FileTime.GuiApp/Converters/CompareConverter.cs

@@ -1,54 +1,53 @@
 using System.Globalization;
 using Avalonia.Data.Converters;
 
-namespace FileTime.GuiApp.Converters
+namespace FileTime.GuiApp.Converters;
+
+public enum ComparisonCondition
 {
-    public enum ComparisonCondition
+    Equal,
+    GreaterThan,
+    LessThan,
+    LessThanOrEqual,
+    NotEqual,
+    GreaterThanOrEqual
+}
+
+public class CompareConverter : IValueConverter
+{
+    public ComparisonCondition ComparisonCondition { get; set; } = ComparisonCondition.Equal;
+
+    public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
     {
-        Equal,
-        GreaterThan,
-        LessThan,
-        LessThanOrEqual,
-        NotEqual,
-        GreaterThanOrEqual
+        return Compare(value, parameter);
     }
 
-    public class CompareConverter : IValueConverter
+    public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
     {
-        public ComparisonCondition ComparisonCondition { get; set; } = ComparisonCondition.Equal;
+        throw new NotImplementedException();
+    }
 
-        public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
+    private bool Compare(object? value, object? parameter)
+    {
+        if (ComparisonCondition == ComparisonCondition.GreaterThan)
         {
-            return Compare(value, parameter);
+            if (value is int valueInt && (parameter is int parameterInt || int.TryParse(parameter?.ToString(), out parameterInt))) return valueInt > parameterInt;
+            else if (value is double valueDouble && (parameter is double parameterDouble || double.TryParse(parameter?.ToString(), out parameterDouble))) return valueDouble > parameterDouble;
+            else throw new NotSupportedException();
+        }
+        else if (ComparisonCondition == ComparisonCondition.NotEqual)
+        {
+            if (value is int valueInt && (parameter is int parameterInt || int.TryParse(parameter?.ToString(), out parameterInt))) return valueInt != parameterInt;
+            else if (value is double valueDouble && (parameter is double parameterDouble || double.TryParse(parameter?.ToString(), out parameterDouble))) return valueDouble != parameterDouble;
+            return value != parameter;
+        }
+        else if (ComparisonCondition == ComparisonCondition.Equal)
+        {
+            if (value is int valueInt && (parameter is int parameterInt || int.TryParse(parameter?.ToString(), out parameterInt))) return valueInt == parameterInt;
+            else if (value is double valueDouble && (parameter is double parameterDouble || double.TryParse(parameter?.ToString(), out parameterDouble))) return valueDouble == parameterDouble;
+            else if (value?.GetType().IsEnum ?? false && Enum.TryParse(value.GetType(), parameter?.ToString(), out var _)) return value.ToString() == parameter?.ToString();
         }
 
-        public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
-        {
-            throw new NotImplementedException();
-        }
-
-        private bool Compare(object? value, object? parameter)
-        {
-            if (ComparisonCondition == ComparisonCondition.GreaterThan)
-            {
-                if (value is int valueInt && (parameter is int parameterInt || int.TryParse(parameter?.ToString(), out parameterInt))) return valueInt > parameterInt;
-                else if (value is double valueDouble && (parameter is double parameterDouble || double.TryParse(parameter?.ToString(), out parameterDouble))) return valueDouble > parameterDouble;
-                else throw new NotSupportedException();
-            }
-            else if (ComparisonCondition == ComparisonCondition.NotEqual)
-            {
-                if (value is int valueInt && (parameter is int parameterInt || int.TryParse(parameter?.ToString(), out parameterInt))) return valueInt != parameterInt;
-                else if (value is double valueDouble && (parameter is double parameterDouble || double.TryParse(parameter?.ToString(), out parameterDouble))) return valueDouble != parameterDouble;
-                return value != parameter;
-            }
-            else if (ComparisonCondition == ComparisonCondition.Equal)
-            {
-                if (value is int valueInt && (parameter is int parameterInt || int.TryParse(parameter?.ToString(), out parameterInt))) return valueInt == parameterInt;
-                else if (value is double valueDouble && (parameter is double parameterDouble || double.TryParse(parameter?.ToString(), out parameterDouble))) return valueDouble == parameterDouble;
-                else if (value?.GetType().IsEnum ?? false && Enum.TryParse(value.GetType(), parameter?.ToString(), out var _)) return value.ToString() == parameter?.ToString();
-            }
-
-            return value == parameter;
-        }
+        return value == parameter;
     }
 }

src/GuiApp/Avalonia/FileTime.GuiApp/Converters/DateTimeConverter.cs

@@ -1,18 +1,17 @@
 using System.Globalization;
 using Avalonia.Data.Converters;
 
-namespace FileTime.GuiApp.Converters
-{
-    public class DateTimeConverter : IValueConverter
-    {
-        public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture) =>
-            value is DateTime dateTime && parameter is string parameterS
-                ? dateTime.ToString(parameterS)
-                : value;
+namespace FileTime.GuiApp.Converters;
 
-        public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
-        {
-            throw new NotImplementedException();
-        }
+public class DateTimeConverter : IValueConverter
+{
+    public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture) =>
+        value is DateTime dateTime && parameter is string parameterS
+            ? dateTime.ToString(parameterS)
+            : value;
+
+    public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        throw new NotImplementedException();
     }
 }

src/GuiApp/Avalonia/FileTime.GuiApp/Converters/ExceptionToStringConverter.cs

@@ -1,45 +1,44 @@
 using System.Globalization;
 using Avalonia.Data.Converters;
 
-namespace FileTime.GuiApp.Converters
+namespace FileTime.GuiApp.Converters;
+
+public class ExceptionToStringConverter : IValueConverter
 {
-    public class ExceptionToStringConverter : IValueConverter
+    public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
     {
-        public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
+        if (value is not Exception e) return value;
+
+        if (e is UnauthorizedAccessException)
         {
-            if (value is not Exception e) return value;
-
-            if (e is UnauthorizedAccessException)
-            {
-                return e.Message;
-            }
-            else if (e.InnerException != null)
-            {
-                return TraverseInnerException(e);
-            }
-
-            return FormatException(e);
+            return e.Message;
+        }
+        else if (e.InnerException != null)
+        {
+            return TraverseInnerException(e);
         }
 
-        private static string TraverseInnerException(Exception e)
-        {
-            string s = "";
-            if (e.InnerException != null) s += TraverseInnerException(e.InnerException) + Environment.NewLine;
-            else return FormatException(e);
+        return FormatException(e);
+    }
 
-            s += "In: " + FormatException(e);
+    private static string TraverseInnerException(Exception e)
+    {
+        string s = "";
+        if (e.InnerException != null) s += TraverseInnerException(e.InnerException) + Environment.NewLine;
+        else return FormatException(e);
 
-            return s;
-        }
+        s += "In: " + FormatException(e);
 
-        private static string FormatException(Exception e)
-        {
-            return $"{e.Message} ({e.GetType().FullName})";
-        }
+        return s;
+    }
 
-        public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
-        {
-            throw new NotImplementedException();
-        }
+    private static string FormatException(Exception e)
+    {
+        return $"{e.Message} ({e.GetType().FullName})";
+    }
+
+    public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        throw new NotImplementedException();
     }
 }

src/GuiApp/Avalonia/FileTime.GuiApp/Converters/FormatSizeConverter.cs

@@ -1,47 +1,46 @@
 using System.Globalization;
 using Avalonia.Data.Converters;
 
-namespace FileTime.GuiApp.Converters
+namespace FileTime.GuiApp.Converters;
+
+public class FormatSizeConverter : IValueConverter
 {
-    public class FormatSizeConverter : IValueConverter
+    private const long OneKiloByte = 1024;
+    private const long OneMegaByte = OneKiloByte * 1024;
+    private const long OneGigaByte = OneMegaByte * 1024;
+    private const long OneTerraByte = OneGigaByte * 1024;
+
+    public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
     {
-        private const long OneKiloByte = 1024;
-        private const long OneMegaByte = OneKiloByte * 1024;
-        private const long OneGigaByte = OneMegaByte * 1024;
-        private const long OneTerraByte = OneGigaByte * 1024;
-
-        public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
+        return (value, int.TryParse(parameter?.ToString(), out var prec)) switch
         {
-            return (value, int.TryParse(parameter?.ToString(), out var prec)) switch
-            {
-                (long size, true) => ToSizeString(size, prec),
-                (long size, false) => ToSizeString(size),
-                (null, _) => "...",
-                _ => value
-            };
-        }
+            (long size, true) => ToSizeString(size, prec),
+            (long size, false) => ToSizeString(size),
+            (null, _) => "...",
+            _ => value
+        };
+    }
 
-        public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
+    public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        throw new NotImplementedException();
+    }
+
+    public static string ToSizeString(long fileSize, int precision = 1)
+    {
+        var fileSizeD = (decimal)fileSize;
+        var (size, suffix) = fileSize switch
         {
-            throw new NotImplementedException();
-        }
+            > OneTerraByte => (fileSizeD / OneTerraByte, "T"),
+            > OneGigaByte => (fileSizeD / OneGigaByte, "G"),
+            > OneMegaByte => (fileSizeD / OneMegaByte, "M"),
+            > OneKiloByte => (fileSizeD / OneKiloByte, "K"),
+            _ => (fileSizeD, "B")
+        };
 
-        public static string ToSizeString(long fileSize, int precision = 1)
-        {
-            var fileSizeD = (decimal)fileSize;
-            var (size, suffix) = fileSize switch
-            {
-                > OneTerraByte => (fileSizeD / OneTerraByte, "T"),
-                > OneGigaByte => (fileSizeD / OneGigaByte, "G"),
-                > OneMegaByte => (fileSizeD / OneMegaByte, "M"),
-                > OneKiloByte => (fileSizeD / OneKiloByte, "K"),
-                _ => (fileSizeD, "B")
-            };
+        var result = string.Format("{0:N" + precision + "}", size).Replace(',', '.');
 
-            var result = string.Format("{0:N" + precision + "}", size).Replace(',', '.');
-
-            if (result.Contains('.')) result = result.TrimEnd('0').TrimEnd('.');
-            return result + " " + suffix;
-        }
+        if (result.Contains('.')) result = result.TrimEnd('0').TrimEnd('.');
+        return result + " " + suffix;
     }
 }

src/GuiApp/Avalonia/FileTime.GuiApp/Converters/GetFileExtensionConverter.cs

@@ -3,22 +3,21 @@ using Avalonia.Data.Converters;
 using FileTime.App.Core.Services;
 using Microsoft.Extensions.DependencyInjection;
 
-namespace FileTime.GuiApp.Converters
+namespace FileTime.GuiApp.Converters;
+
+public class GetFileExtensionConverter : IValueConverter
 {
-    public class GetFileExtensionConverter : IValueConverter
+    private IItemNameConverterService? _itemNameConverterService;
+    public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
     {
-        private IItemNameConverterService? _itemNameConverterService;
-        public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
-        {
-            if (value is not string fullName) return value;
-            _itemNameConverterService ??= DI.ServiceProvider.GetRequiredService<IItemNameConverterService>();
+        if (value is not string fullName) return value;
+        _itemNameConverterService ??= DI.ServiceProvider.GetRequiredService<IItemNameConverterService>();
 
-            return _itemNameConverterService.GetFileExtension(fullName);
-        }
+        return _itemNameConverterService.GetFileExtension(fullName);
+    }
 
-        public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
-        {
-            throw new NotImplementedException();
-        }
+    public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        throw new NotImplementedException();
     }
 }

src/GuiApp/Avalonia/FileTime.GuiApp/Converters/ItemViewModeToBrushConverter.cs

@@ -3,39 +3,38 @@ using Avalonia.Data.Converters;
 using Avalonia.Media;
 using FileTime.App.Core.Models.Enums;
 
-namespace FileTime.GuiApp.Converters
+namespace FileTime.GuiApp.Converters;
+
+public class ItemViewModeToBrushConverter : IValueConverter
 {
-    public class ItemViewModeToBrushConverter : IValueConverter
+    public Brush? DefaultBrush { get; set; }
+    public Brush? AlternativeBrush { get; set; }
+    public Brush? SelectedBrush { get; set; }
+    public Brush? MarkedBrush { get; set; }
+    public Brush? MarkedSelectedBrush { get; set; }
+    public Brush? MarkedAlternativeBrush { get; set; }
+
+    public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
     {
-        public Brush? DefaultBrush { get; set; }
-        public Brush? AlternativeBrush { get; set; }
-        public Brush? SelectedBrush { get; set; }
-        public Brush? MarkedBrush { get; set; }
-        public Brush? MarkedSelectedBrush { get; set; }
-        public Brush? MarkedAlternativeBrush { get; set; }
-
-        public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
+        if (value is ItemViewMode viewMode)
         {
-            if (value is ItemViewMode viewMode)
+            return viewMode switch
             {
-                return viewMode switch
-                {
-                    ItemViewMode.Default => DefaultBrush,
-                    ItemViewMode.Alternative => AlternativeBrush,
-                    ItemViewMode.Selected => SelectedBrush,
-                    ItemViewMode.Marked => MarkedBrush,
-                    ItemViewMode.MarkedSelected => MarkedSelectedBrush,
-                    ItemViewMode.MarkedAlternative => MarkedAlternativeBrush,
-                    _ => throw new NotImplementedException()
-                };
-            }
-
-            return value;
+                ItemViewMode.Default => DefaultBrush,
+                ItemViewMode.Alternative => AlternativeBrush,
+                ItemViewMode.Selected => SelectedBrush,
+                ItemViewMode.Marked => MarkedBrush,
+                ItemViewMode.MarkedSelected => MarkedSelectedBrush,
+                ItemViewMode.MarkedAlternative => MarkedAlternativeBrush,
+                _ => throw new NotImplementedException()
+            };
         }
 
-        public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
-        {
-            throw new NotImplementedException();
-        }
+        return value;
+    }
+
+    public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        throw new NotImplementedException();
     }
 }

src/GuiApp/Avalonia/FileTime.GuiApp/Converters/ItemViewModelIsAttributeTypeConverter.cs

@@ -3,35 +3,34 @@ using Avalonia.Data.Converters;
 using FileTime.App.Core.Models.Enums;
 using FileTime.App.Core.ViewModels;
 
-namespace FileTime.GuiApp.Converters
+namespace FileTime.GuiApp.Converters;
+
+public class ItemViewModelIsAttributeTypeConverter : IValueConverter
 {
-    public class ItemViewModelIsAttributeTypeConverter : IValueConverter
+    public bool Invert { get; set; }
+    public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
     {
-        public bool Invert { get; set; }
-        public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
-        {
-            var attributeType = GetAttributeType(value);
-            if (parameter == null) return attributeType;
-            var result = parameter is ItemAttributeType targetAttribute && attributeType == targetAttribute;
-            if (Invert && parameter is ItemAttributeType) result = !result;
-            return result;
-        }
+        var attributeType = GetAttributeType(value);
+        if (parameter == null) return attributeType;
+        var result = parameter is ItemAttributeType targetAttribute && attributeType == targetAttribute;
+        if (Invert && parameter is ItemAttributeType) result = !result;
+        return result;
+    }
 
-        private static ItemAttributeType? GetAttributeType(object? value)
+    private static ItemAttributeType? GetAttributeType(object? value)
+    {
+        return value switch
         {
-            return value switch
-            {
-                IFileViewModel => ItemAttributeType.File,
-                IContainerSizeContainerViewModel => ItemAttributeType.SizeContainer,
-                IElementViewModel => ItemAttributeType.Element,
-                IContainerViewModel => ItemAttributeType.Container,
-                _ => null
-            };
-        }
+            IFileViewModel => ItemAttributeType.File,
+            IContainerSizeContainerViewModel => ItemAttributeType.SizeContainer,
+            IElementViewModel => ItemAttributeType.Element,
+            IContainerViewModel => ItemAttributeType.Container,
+            _ => null
+        };
+    }
 
-        public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
-        {
-            throw new NotImplementedException();
-        }
+    public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        throw new NotImplementedException();
     }
 }

src/GuiApp/Avalonia/FileTime.GuiApp/Converters/NamePartShrinkerConverter.cs

@@ -4,112 +4,111 @@ using Avalonia.Media;
 using FileTime.App.Core.Models;
 using FileTime.GuiApp.ViewModels;
 
-namespace FileTime.GuiApp.Converters
+namespace FileTime.GuiApp.Converters;
+
+public class NamePartShrinkerConverter : IMultiValueConverter
 {
-    public class NamePartShrinkerConverter : IMultiValueConverter
+    private const int PixelPerChar = 8;
+    public object? Convert(IList<object?> values, Type targetType, object? parameter, CultureInfo culture)
     {
-        private const int PixelPerChar = 8;
-        public object? Convert(IList<object?> values, Type targetType, object? parameter, CultureInfo culture)
+        if (values.Count > 0 && values[0] is IList<ItemNamePart> nameParts)
         {
-            if (values.Count > 0 && values[0] is IList<ItemNamePart> nameParts)
+            var attributeWidth = values[2] is bool b && b ? 340 : 0;
+            var newNameParts = nameParts;
+            if (values.Count > 1 && values[1] is double width && width > 0)
             {
-                var attributeWidth = values[2] is bool b && b ? 340 : 0;
-                var newNameParts = nameParts;
-                if (values.Count > 1 && values[1] is double width && width > 0)
-                {
-                    newNameParts = GetNamePartsForWidth(nameParts, width - attributeWidth);
-                }
-
-                return newNameParts.Select(p => new ItemNamePartViewModel(p.Text, p.IsSpecial ? TextDecorations.Underline : null)).ToList();
+                newNameParts = GetNamePartsForWidth(nameParts, width - attributeWidth);
             }
-            return null;
+
+            return newNameParts.Select(p => new ItemNamePartViewModel(p.Text, p.IsSpecial ? TextDecorations.Underline : null)).ToList();
+        }
+        return null;
+    }
+
+    private static List<ItemNamePart> GetNamePartsForWidth(IList<ItemNamePart> nameParts, double maxWidth)
+    {
+        //Best case, we are in the range
+        var textLength = nameParts.Select(p => p.Text.Length).Sum();
+        if (textLength * PixelPerChar <= maxWidth)
+        {
+            return nameParts.ToList();
         }
 
-        private static List<ItemNamePart> GetNamePartsForWidth(IList<ItemNamePart> nameParts, double maxWidth)
+        //Trying at least with the special parts
+        var newNameParts = new ItemNamePart?[nameParts.Count];
+        for (var i = 0; i < nameParts.Count; i++)
         {
-            //Best case, we are in the range
-            var textLength = nameParts.Select(p => p.Text.Length).Sum();
-            if (textLength * PixelPerChar <= maxWidth)
+            if (nameParts[i].IsSpecial)
             {
-                return nameParts.ToList();
+                newNameParts[i] = nameParts[i];
             }
-
-            //Trying at least with the special parts
-            var newNameParts = new ItemNamePart?[nameParts.Count];
-            for (var i = 0; i < nameParts.Count; i++)
-            {
-                if (nameParts[i].IsSpecial)
-                {
-                    newNameParts[i] = nameParts[i];
-                }
-            }
-
-            return GetNamePartsForWidthOptimistic(nameParts, newNameParts, maxWidth);
         }
 
-        private static List<ItemNamePart> GetNamePartsForWidthOptimistic(IList<ItemNamePart> nameParts, ItemNamePart?[] newNameParts, double maxWidth)
+        return GetNamePartsForWidthOptimistic(nameParts, newNameParts, maxWidth);
+    }
+
+    private static List<ItemNamePart> GetNamePartsForWidthOptimistic(IList<ItemNamePart> nameParts, ItemNamePart?[] newNameParts, double maxWidth)
+    {
+        var trimmedIndexes = new List<int>();
+        for (var i = 0; i < newNameParts.Length; i++)
         {
-            var trimmedIndexes = new List<int>();
-            for (var i = 0; i < newNameParts.Length; i++)
+            if (newNameParts[i] == null)
             {
-                if (newNameParts[i] == null)
-                {
-                    trimmedIndexes.Add(i);
-                    newNameParts[i] = new ItemNamePart("...");
-                }
+                trimmedIndexes.Add(i);
+                newNameParts[i] = new ItemNamePart("...");
             }
-
-            var textLength = newNameParts.Select(p => p?.Text.Length ?? 0).Sum();
-            if (textLength * PixelPerChar > maxWidth)
-            {
-                return GetNamePartsForWidthPessimistic(nameParts, maxWidth);
-            }
-
-            foreach (var trimmedIndex in trimmedIndexes)
-            {
-                var baseTextLength = newNameParts.Select((p, i) => i == trimmedIndex ? 0 : (p?.Text.Length ?? 0)).Sum();
-                var proposedText = nameParts[trimmedIndex].Text;
-                var trimmed = false;
-                while ((baseTextLength + proposedText.Length + (trimmed ? 3 : 0)) * PixelPerChar > maxWidth)
-                {
-                    proposedText = proposedText[0..^1];
-                    trimmed = true;
-                }
-                newNameParts[trimmedIndex] = new ItemNamePart(proposedText + (trimmed ? "..." : ""));
-                if (trimmed) break;
-            }
-
-            return newNameParts.Where(f => f is not null).ToList()!;
         }
 
-        private static List<ItemNamePart> GetNamePartsForWidthPessimistic(IList<ItemNamePart> nameParts, double maxWidth)
+        var textLength = newNameParts.Select(p => p?.Text.Length ?? 0).Sum();
+        if (textLength * PixelPerChar > maxWidth)
         {
-            var newNameParts = new List<ItemNamePart>(nameParts);
-            foreach (var namePart in nameParts)
-            {
-                var baseTextLength = newNameParts.Select(p => p.Text.Length).Sum();
-                var proposedText = namePart.Text;
-                var trimmed = false;
-
-                while ((baseTextLength + 3) * PixelPerChar > maxWidth && proposedText != "")
-                {
-                    proposedText = proposedText[0..^1];
-                    trimmed = true;
-                }
-
-                if (!string.IsNullOrWhiteSpace(proposedText)) newNameParts.Add(new ItemNamePart(proposedText, namePart.IsSpecial));
-                if (trimmed) break;
-            }
-            if (newNameParts.Last().IsSpecial)
-            {
-                newNameParts.Add(new ItemNamePart("..."));
-            }
-            else
-            {
-                var last = newNameParts.Last();
-                last.Text += "...";
-            }
-            return newNameParts;
+            return GetNamePartsForWidthPessimistic(nameParts, maxWidth);
         }
+
+        foreach (var trimmedIndex in trimmedIndexes)
+        {
+            var baseTextLength = newNameParts.Select((p, i) => i == trimmedIndex ? 0 : (p?.Text.Length ?? 0)).Sum();
+            var proposedText = nameParts[trimmedIndex].Text;
+            var trimmed = false;
+            while ((baseTextLength + proposedText.Length + (trimmed ? 3 : 0)) * PixelPerChar > maxWidth)
+            {
+                proposedText = proposedText[0..^1];
+                trimmed = true;
+            }
+            newNameParts[trimmedIndex] = new ItemNamePart(proposedText + (trimmed ? "..." : ""));
+            if (trimmed) break;
+        }
+
+        return newNameParts.Where(f => f is not null).ToList()!;
+    }
+
+    private static List<ItemNamePart> GetNamePartsForWidthPessimistic(IList<ItemNamePart> nameParts, double maxWidth)
+    {
+        var newNameParts = new List<ItemNamePart>(nameParts);
+        foreach (var namePart in nameParts)
+        {
+            var baseTextLength = newNameParts.Select(p => p.Text.Length).Sum();
+            var proposedText = namePart.Text;
+            var trimmed = false;
+
+            while ((baseTextLength + 3) * PixelPerChar > maxWidth && proposedText != "")
+            {
+                proposedText = proposedText[0..^1];
+                trimmed = true;
+            }
+
+            if (!string.IsNullOrWhiteSpace(proposedText)) newNameParts.Add(new ItemNamePart(proposedText, namePart.IsSpecial));
+            if (trimmed) break;
+        }
+        if (newNameParts.Last().IsSpecial)
+        {
+            newNameParts.Add(new ItemNamePart("..."));
+        }
+        else
+        {
+            var last = newNameParts.Last();
+            last.Text += "...";
+        }
+        return newNameParts;
     }
 }

src/GuiApp/Avalonia/FileTime.GuiApp/Converters/SplitStringConverter.cs

@@ -1,27 +1,26 @@
 using System.Globalization;
 using Avalonia.Data.Converters;
 
-namespace FileTime.GuiApp.Converters
+namespace FileTime.GuiApp.Converters;
+
+public class SplitStringConverter : IValueConverter
 {
-    public class SplitStringConverter : IValueConverter
+    public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
     {
-        public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
+        if (value is string path && parameter is string separator)
         {
-            if (value is string path && parameter is string separator)
-            {
-                return path.Split(separator);
-            }
-            else if (value is string path2 && parameter is char separator2)
-            {
-                return path2.Split(separator2);
-            }
-
-            return value;
+            return path.Split(separator);
+        }
+        else if (value is string path2 && parameter is char separator2)
+        {
+            return path2.Split(separator2);
         }
 
-        public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
-        {
-            throw new NotImplementedException();
-        }
+        return value;
+    }
+
+    public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        throw new NotImplementedException();
     }
 }