CommandPalette WIP

src/AppCommon/FileTime.App.CommandPalette/ViewModels/CommandPaletteViewModel.cs

@@ -0,0 +1,59 @@
+using Avalonia.Input;
+using FileTime.App.CommandPalette.Services;
+using FileTime.App.Core.ViewModels;
+using MvvmGen;
+
+namespace FileTime.App.CommandPalette.ViewModels;
+
+[ViewModel]
+[Inject(typeof(ICommandPaletteService), "_commandPaletteService")]
+public partial class CommandPaletteViewModel : ICommandPaletteViewModel
+{
+    private string _searchText;
+
+    [Property] private IObservable<bool> _showWindow;
+    [Property] private List<ICommandPaletteEntryViewModel> _filteredMatches;
+    [Property] private ICommandPaletteEntryViewModel? _selectedItem;
+    string IModalViewModel.Name => "CommandPalette";
+
+    public string SearchText
+    {
+        get => _searchText;
+        set
+        {
+            if (_searchText == value) return;
+
+            _searchText = value;
+            OnPropertyChanged();
+
+            UpdateFilteredMatches();
+        }
+    }
+
+    public void Close() => throw new NotImplementedException();
+
+    public void HandleKeyDown(KeyEventArgs keyEventArgs) => throw new NotImplementedException();
+
+    partial void OnInitialize()  
+    {
+        ShowWindow = _commandPaletteService.ShowWindow;
+        UpdateFilteredMatches();
+    }
+
+    private void UpdateFilteredMatches()
+    {
+        FilteredMatches = _commandPaletteService
+            .GetCommands()
+            .Select(c =>
+                (ICommandPaletteEntryViewModel) new CommandPaletteEntryViewModel(c.Identifier, c.Title))
+            .Take(30) // TODO remove magic number
+            .OrderBy(c => c.Title)
+            .ToList();
+
+        if (SelectedItem != null && FilteredMatches.Contains(SelectedItem)) return;
+
+        SelectedItem = FilteredMatches.Count > 0
+            ? FilteredMatches[0]
+            : null;
+    }
+}