Fixes, UI improvements

child container, preview, etc

src/GuiApp/FileTime.Avalonia/Application/TabContainer.cs

@@ -33,7 +33,7 @@ namespace FileTime.Avalonia.Application
         private ContainerViewModel _currentLocation;
 
         [Property]
-        private ContainerViewModel _childContainer;
+        private ContainerViewModel? _childContainer;
 
         [Property]
         private int _tabNumber;
@@ -51,16 +51,16 @@ namespace FileTime.Avalonia.Application
             {
                 if (!_updateFromCode && value != null)
                 {
-                    try
+                    /*try
-                    {
+                    {*/
                     /*var task = SetSelectedItemAsync(value, true);
                     Task.WaitAll(new Task[] { task }, 100);*/
                     SetSelectedItemAsync(value, true);
-                    }
+                    /*}
                     catch
                     {
                         //TODO: Debug, linux start after restore 3 tabs
-                    }
+                    }*/
                 }
             }
         }
@@ -74,23 +74,10 @@ namespace FileTime.Avalonia.Application
             {
                 _selectedItem = value;
 
-                if (value is ElementViewModel elementViewModel)
+                await Tab.SetCurrentSelectedItem(SelectedItem?.Item, fromDataBinding);
-                {
-                    var elementPreview = new ElementPreviewViewModel();
-                    await elementPreview.Init(elementViewModel.Element);
-                    ElementPreview = elementPreview;
-                }
-                else
-                {
-                    ElementPreview = null;
-                }
-
-                if (await Tab.SetCurrentSelectedItem(SelectedItem?.Item, fromDataBinding))
-                {
                 OnPropertyChanged(nameof(SelectedItem));
             }
         }
-        }
 
         partial void OnInitialize()
         {
@@ -161,17 +148,18 @@ namespace FileTime.Avalonia.Application
 
         public async Task UpdateCurrentSelectedItem(CancellationToken token = default)
         {
-            try
+            /*try
-            {
+            {*/
-                var tabCurrentSelectenItem = await Tab.GetCurrentSelectedItem();
 
             if (token.IsCancellationRequested) return;
 
+            var tabCurrentSelectenItem = await Tab.GetCurrentSelectedItem();
+            ContainerViewModel? newChildContainer = null;
+
             IItemViewModel? currentSelectenItem = null;
             if (tabCurrentSelectenItem == null)
             {
                 await SetSelectedItemAsync(null);
-                    ChildContainer = null;
             }
             else
             {
@@ -179,22 +167,49 @@ namespace FileTime.Avalonia.Application
                 if (currentSelectenItem is ContainerViewModel currentSelectedContainer)
                 {
                     await SetSelectedItemAsync(currentSelectedContainer);
-                        ChildContainer = currentSelectedContainer;
+                    newChildContainer = currentSelectedContainer;
                 }
                 else if (currentSelectenItem is ElementViewModel element)
                 {
                     await SetSelectedItemAsync(element);
-                        ChildContainer = null;
                 }
                 else
                 {
                     await SetSelectedItemAsync(null);
-                        ChildContainer = null;
                 }
             }
 
+            await UpdateParents(token);
+
+            var start = DateTime.Now;
+            while (true)
+            {
+                await Task.Delay(1);
                 if (token.IsCancellationRequested) return;
+                if ((DateTime.Now - start).Milliseconds > 500) break;
+            }
 
+            ChildContainer = newChildContainer;
+
+            if (currentSelectenItem is ElementViewModel elementViewModel)
+            {
+                var elementPreview = new ElementPreviewViewModel();
+                await elementPreview.Init(elementViewModel.Element);
+                ElementPreview = elementPreview;
+            }
+            else
+            {
+                ElementPreview = null;
+            }
+            /*}
+            catch
+            {
+                //INFO collection modified exception on: currentSelectenItem = (await _currentLocation.GetItems()).FirstOrDefault(i => i.Item.Name == tabCurrentSelectenItem.Name);
+                //TODO: handle or error message
+            }*/
+
+            async Task UpdateParents(CancellationToken token = default)
+            {
                 var items = await _currentLocation.GetItems(token);
                 if (items?.Count > 0)
                 {
@@ -244,11 +259,6 @@ namespace FileTime.Avalonia.Application
                     }
                 }
             }
-            catch
-            {
-                //INFO collection modified exception on: currentSelectenItem = (await _currentLocation.GetItems()).FirstOrDefault(i => i.Item.Name == tabCurrentSelectenItem.Name);
-                //TODO: handle or error message
-            }
         }
 
         public async Task SetCurrentSelectedItem(IItem newItem)
@@ -269,9 +279,12 @@ namespace FileTime.Avalonia.Application
             }
             catch
             {
-                _updateFromCode = false;
                 throw;
             }
+            finally
+            {
+                _updateFromCode = false;
+            }
         }
 
         private CancellationToken CancelAndGenerateNextMovementToken()

src/GuiApp/FileTime.Avalonia/Services/KeyInputHandlerService.cs

@@ -80,9 +80,9 @@ namespace FileTime.Avalonia.Services
                 else if (selectedCommandBinding != null)
                 {
                     setHandled(true);
-                    await _commandHandlerService.HandleCommandAsync(selectedCommandBinding.Command);
                     _appState.PreviousKeys.Clear();
                     _appState.PossibleCommands = new();
+                    await _commandHandlerService.HandleCommandAsync(selectedCommandBinding.Command);
                 }
                 else if (_keysToSkip.Any(k => AreKeysEqual(k, _appState.PreviousKeys)))
                 {
@@ -99,6 +99,7 @@ namespace FileTime.Avalonia.Services
                 }
                 else
                 {
+                    setHandled(true);
                     var possibleCommands = _keyboardConfigurationService.AllShortcut.Where(c => AreKeysEqual(c.Keys[0], keyWithModifiers)).ToList();
 
                     if (possibleCommands.Count == 0)
@@ -110,7 +111,6 @@ namespace FileTime.Avalonia.Services
                     {
                         _appState.PossibleCommands = possibleCommands;
                     }
-                    setHandled(true);
                 }
             }
             else

src/GuiApp/FileTime.Avalonia/ViewModels/ContainerViewModel.cs

@@ -67,71 +67,6 @@ namespace FileTime.Avalonia.ViewModels
 
         public List<ItemNamePart> DisplayName => ItemNameConverterService.GetDisplayName(this);
 
-        /*[Obsolete($"This property is for databinding only, use {nameof(GetContainers)} method instead.")]
-        public ObservableCollection<ContainerViewModel> Containers
-        {
-            get
-            {
-                try
-                {
-                    if (!_isInitialized) Task.Run(Refresh).Wait();
-                }
-                catch(Exception e) { }
-                return _containers;
-            }
-            set
-            {
-                if (value != _containers)
-                {
-                    _containers = value;
-                    OnPropertyChanged(nameof(Containers));
-                }
-            }
-        }
-
-        [Obsolete($"This property is for databinding only, use {nameof(GetElements)} method instead.")]
-        public ObservableCollection<ElementViewModel> Elements
-        {
-            get
-            {
-                try
-                {
-                    if (!_isInitialized) Task.Run(Refresh).Wait();
-                }
-                catch(Exception e) { }
-                return _elements;
-            }
-            set
-            {
-                if (value != _elements)
-                {
-                    _elements = value;
-                    OnPropertyChanged(nameof(Elements));
-                }
-            }
-        }
-        [Obsolete($"This property is for databinding only, use {nameof(GetItems)} method instead.")]
-        public ObservableCollection<IItemViewModel> Items
-        {
-            get
-            {
-                try
-                {
-                    if (!_isInitialized) Task.Run(Refresh).Wait();
-                }
-                catch(Exception e) { }
-                return _items;
-            }
-            set
-            {
-                if (value != _items)
-                {
-                    _items = value;
-                    OnPropertyChanged(nameof(Items));
-                }
-            }
-        }*/
-
         public Task Containers => GetContainers();
         public Task Elements => GetElements();
         public Task Items => GetItems();

src/GuiApp/FileTime.Avalonia/Views/MainWindow.axaml

@@ -248,9 +248,10 @@
 									AutoScrollToSelectedItem="True"
 									IsTabStop="True"
 									Items="{Binding AppState.SelectedTab.CurrentLocation.Items^}"
-									ScrollViewer.HorizontalScrollBarVisibility="Disabled"
+									ScrollViewer.HorizontalScrollBarVisibility="Hidden"
 									ScrollViewer.VerticalScrollBarVisibility="Hidden"
 									SelectedItem="{Binding AppState.SelectedTab.SelectedItem, Mode=TwoWay}"
+									SelectionChanged="OnCurrentItemsSelectionChanged"
 									Classes="ContentListView">
 									<ListBox.ItemTemplate>
 										<DataTemplate>

src/GuiApp/FileTime.Avalonia/Views/MainWindow.axaml.cs

@@ -154,5 +154,11 @@ namespace FileTime.Avalonia.Views
                 BeginMoveDrag(e);
             }
         }
+
+        private void OnCurrentItemsSelectionChanged(object sender, SelectionChangedEventArgs e)
+        {
+            var listBox = this.FindControl<ListBox>("CurrentItems");
+            listBox.ScrollIntoView(listBox.SelectedIndex);
+        }
     }
 }