Add Explorer Workbench with hierarchical, off-UI Storage analysis.

Storage queries run in the background with cancellation and covering indexes so switching views no longer freezes the UI. Co-authored-by: Cursor <cursoragent@cursor.com>
2026-08-22 12:43:05 +02:00
commit e9aba73552
130 changed files with 15110 additions and 0 deletions
--- a/src/Explorer.Presentation/ViewModels/FolderItemViewModel.cs
+++ b/src/Explorer.Presentation/ViewModels/FolderItemViewModel.cs
@@ -0,0 +1,75 @@
+using CommunityToolkit.Mvvm.ComponentModel;
+using Explorer.Domain;
+
+namespace Explorer.Presentation;
+
+public sealed partial class FolderItemViewModel : ObservableObject
+{
+    [ObservableProperty] private bool _isSelected;
+
+    public FolderItemViewModel(FileSystemItem item, bool sizeFromIndex)
+    {
+        Item = item;
+        SizeFromIndex = sizeFromIndex;
+    }
+
+    public FileSystemItem Item { get; }
+    public bool SizeFromIndex { get; }
+    public string Name => Item.Name;
+    public string FullPath => Item.FullPath;
+    public bool IsDirectory => Item.IsDirectory;
+    public string TypeLabel => Item.IsDirectory ? "File folder" : (Item.ExtensionDisplay());
+    public string SizeLabel => Item.IsDirectory && !SizeFromIndex && Item.SizeBytes == 0
+        ? ""
+        : Formatters.Size(Item.SizeBytes);
+    public string ModifiedLabel => Formatters.Date(Item.ModifiedUtc);
+    public string CreatedLabel => Formatters.Date(Item.CreatedUtc);
+    public string IconGlyph => Item.IsDirectory ? "\uE8B7" : "\uE8A5";
+    public bool IsImage => !Item.IsDirectory && MediaKinds.IsImage(Item.Name);
+    public bool IsVideo => !Item.IsDirectory && MediaKinds.IsVideo(Item.Name);
+    public bool MayHydrateOnRead => Item.Cloud?.MayHydrateOnRead == true
+        || AttributeFlags.MayHydrateOnRead(Item.Attributes);
+    public string CloudStatus => Item.Cloud?.StatusText ?? "";
+    public bool HasCloudStatus => !string.IsNullOrEmpty(CloudStatus);
+    public string SizeTooltip
+    {
+        get
+        {
+            var logical = SizeLabel;
+            var allocated = Item.AllocatedSizeBytes ?? Item.Cloud?.AllocatedSizeBytes;
+            if (allocated is long disk && disk != Item.SizeBytes && !Item.IsDirectory)
+            {
+                return string.IsNullOrEmpty(CloudStatus)
+                    ? $"Size {logical} · On disk {Formatters.Size(disk)}"
+                    : $"{CloudStatus} · Size {logical} · On disk {Formatters.Size(disk)}";
+            }
+
+            return string.IsNullOrEmpty(CloudStatus) ? logical : $"{CloudStatus} · {logical}";
+        }
+    }
+}
+
+internal static class MediaKinds
+{
+    private static readonly HashSet<string> Images = new(StringComparer.OrdinalIgnoreCase)
+    {
+        ".jpg", ".jpeg", ".png", ".gif", ".bmp", ".webp", ".tif", ".tiff", ".ico", ".jfif"
+    };
+
+    private static readonly HashSet<string> Videos = new(StringComparer.OrdinalIgnoreCase)
+    {
+        ".mp4", ".mkv", ".avi", ".mov", ".wmv", ".webm", ".m4v", ".mpg", ".mpeg"
+    };
+
+    public static bool IsImage(string name) => Images.Contains(Path.GetExtension(name));
+    public static bool IsVideo(string name) => Videos.Contains(Path.GetExtension(name));
+}
+
+file static class ItemExt
+{
+    public static string ExtensionDisplay(this FileSystemItem item)
+    {
+        var ext = NameNormalizer.Extension(item.Name);
+        return string.IsNullOrEmpty(ext) ? "File" : ext.ToUpperInvariant() + " file";
+    }
+}