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This commit is contained in:
Ádám Kovács
2022-04-01 20:38:43 +02:00
parent d0edf85e98
commit 8e09bf41bb
76 changed files with 3589 additions and 78 deletions
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18
src/GuiApp/Avalonia/FileTime.GuiApp/Converters/DateTimeConverter.cs Normal file
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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;
public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
{
throw new NotImplementedException();
}
}
}

47
src/GuiApp/Avalonia/FileTime.GuiApp/Converters/FormatSizeConverter.cs Normal file
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using System.Globalization;
using Avalonia.Data.Converters;
namespace FileTime.GuiApp.Converters
{
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)
{
return (value, int.TryParse(parameter?.ToString(), out var prec)) switch
{
(long size, true) => ToSizeString(size, prec),
(long size, false) => ToSizeString(size),
(null, _) => "...",
_ => value
};
}
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
{
> 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(',', '.');
if (result.Contains('.')) result = result.TrimEnd('0').TrimEnd('.');
return result + " " + suffix;
}
}
}

24
src/GuiApp/Avalonia/FileTime.GuiApp/Converters/GetFileExtensionConverter.cs Normal file
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using System.Globalization;
using Avalonia.Data.Converters;
using FileTime.App.Core.Services;
using Microsoft.Extensions.DependencyInjection;
namespace FileTime.GuiApp.Converters
{
public class GetFileExtensionConverter : IValueConverter
{
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>();
return _itemNameConverterService.GetFileExtension(fullName);
}
public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
{
throw new NotImplementedException();
}
}
}

41
src/GuiApp/Avalonia/FileTime.GuiApp/Converters/ItemViewModeToBrushConverter.cs Normal file
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using System.Globalization;
using Avalonia.Data.Converters;
using Avalonia.Media;
using FileTime.App.Core.Models.Enums;
namespace FileTime.GuiApp.Converters
{
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)
{
if (value is ItemViewMode viewMode)
{
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;
}
public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
{
throw new NotImplementedException();
}
}
}

37
src/GuiApp/Avalonia/FileTime.GuiApp/Converters/ItemViewModelIsAttributeTypeConverter.cs Normal file
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using System.Globalization;
using Avalonia.Data.Converters;
using FileTime.App.Core.Models.Enums;
using FileTime.App.Core.ViewModels;
namespace FileTime.GuiApp.Converters
{
public class ItemViewModelIsAttributeTypeConverter : IValueConverter
{
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;
}
private static ItemAttributeType? GetAttributeType(object? value)
{
return value switch
{
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();
}
}
}

115
src/GuiApp/Avalonia/FileTime.GuiApp/Converters/NamePartShrinkerConverter.cs Normal file
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using System.Globalization;
using Avalonia.Data.Converters;
using Avalonia.Media;
using FileTime.App.Core.Models;
using FileTime.GuiApp.ViewModels;
namespace FileTime.GuiApp.Converters
{
public class NamePartShrinkerConverter : IMultiValueConverter
{
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)
{
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();
}
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();
}
//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)
{
var trimmedIndexes = new List<int>();
for (var i = 0; i < newNameParts.Length; i++)
{
if (newNameParts[i] == null)
{
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.OfType<ItemNamePart>().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;
}
}
}