Icons, Style refactor

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

@@ -0,0 +1,61 @@
+using System.Globalization;
+using Avalonia.Data.Converters;
+using Avalonia.Svg.Skia;
+using FileTime.App.Core.ViewModels;
+using FileTime.Core.Models;
+using FileTime.GuiApp.IconProviders;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace FileTime.GuiApp.Converters;
+
+public class ItemToImageConverter : IValueConverter
+{
+    private readonly IIconProvider _iconProvider;
+
+    public ItemToImageConverter()
+    {
+        _iconProvider = DI.ServiceProvider.GetRequiredService<IIconProvider>();
+    }
+
+    public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        if (value == null) return null;
+
+        IItem item = value switch
+        {
+            IContainerViewModel container => container.Container!,
+            IElementViewModel element => element.Element!,
+            IItem i => i,
+            _ => throw new NotImplementedException()
+        };
+
+        SvgSource? source;
+        try
+        {
+            var path = _iconProvider.GetImage(item)!;
+            if (path.Type == Models.ImagePathType.Absolute)
+            {
+                source = SvgSource.Load<SvgSource>(path.Path!, null);
+            }
+            else if (path.Type == Models.ImagePathType.Raw)
+            {
+                return path.Image;
+            }
+            else
+            {
+                source = SvgSource.Load<SvgSource>("avares://FileTime.GuiApp" + path.Path, null);
+            }
+        }
+        catch
+        {
+            source = SvgSource.Load<SvgSource>("avares://FileTime.GuiApp/Assets/material/file.svg", null);
+        }
+
+        return new SvgImage {Source = source};
+    }
+
+    public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        throw new NotImplementedException();
+    }
+}