Merge pull request #1415 from Mbucari/master

Fix minor UI bugs

Source/FileManager/BackgroundFileSystem.cs

@@ -14,7 +14,7 @@ namespace FileManager
 	/// </summary>
 	public class BackgroundFileSystem : IDisposable
     {
-        public LongPath RootDirectory { get; private set; }
+        public LongPath? RootDirectory { get; private set; }
         public string SearchPattern { get; private set; }
         public SearchOption SearchOption { get; private set; }
 
@@ -51,7 +51,8 @@ namespace FileManager
             lock (fsCacheLocker)
             {
                 fsCache.Clear();
-                fsCache.AddRange(SafestEnumerateFiles(RootDirectory));
+                if (Directory.Exists(RootDirectory))
+                    fsCache.AddRange(SafestEnumerateFiles(RootDirectory));
             }
         }
 
@@ -60,7 +61,14 @@ namespace FileManager
             Stop();
 
             lock (fsCacheLocker)
-                fsCache.AddRange(SafestEnumerateFiles(RootDirectory));
+            {
+                if (!Directory.Exists(RootDirectory))
+                {
+                    RootDirectory = null;
+					return;
+                }
+				fsCache.AddRange(SafestEnumerateFiles(RootDirectory));
+            }
 
             directoryChangesEvents = new BlockingCollection<FileSystemEventArgs>();
 			fileSystemWatcher = new FileSystemWatcher(RootDirectory)

Source/LibationAvalonia/Controls/DataGridTextColumnExt.cs

@@ -0,0 +1,25 @@
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Interactivity;
+
+namespace LibationAvalonia.Controls;
+internal class DataGridTextColumnExt : DataGridTextColumn
+{
+	public static readonly StyledProperty<int> MaxLengthProperty =
+	AvaloniaProperty.Register<DataGridTextColumnExt, int>(nameof(MaxLength));
+
+	public int MaxLength
+	{
+		get => GetValue(MaxLengthProperty);
+		set => SetValue(MaxLengthProperty, value);
+	}
+
+	protected override object PrepareCellForEdit(Control editingElement, RoutedEventArgs editingEventArgs)
+	{
+		if (editingElement is TextBox textBox)
+		{
+			textBox.MaxLength = MaxLength;
+		}
+		return base.PrepareCellForEdit(editingElement, editingEventArgs);
+	}
+}

Source/LibationAvalonia/Controls/DirectoryOrCustomSelectControl.axaml

@@ -6,29 +6,63 @@
              mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
              x:Class="LibationAvalonia.Controls.DirectoryOrCustomSelectControl">
 	
-	<Grid ColumnDefinitions="Auto,*" RowDefinitions="Auto,Auto" Name="grid">
-		<controls:DirectorySelectControl
-			Grid.Column="1"
-			Grid.Row="0"
-			IsEnabled="{Binding KnownChecked}"
-			SelectedDirectory="{Binding SelectedDirectory, Mode=TwoWay}"
-			SubDirectory="{Binding $parent[1].SubDirectory}"
-			KnownDirectories="{Binding $parent[1].KnownDirectories}" />
+    <Grid
+        RowDefinitions="Auto,Auto,Auto"
+        ColumnDefinitions="Auto,*,Auto">
 
-		<RadioButton
-			Grid.Column="0"
-			Grid.Row="0"
-			IsChecked="{Binding KnownChecked, Mode=TwoWay}"/>
+        <RadioButton
+            Grid.RowSpan="2"
+            Name="rbKnown" />
 
-		<RadioButton
-			Grid.Column="0"
-			Grid.Row="1"
-			IsChecked="{Binding CustomChecked, Mode=TwoWay}"/>
+        <TextBlock
+            Grid.Column="1"
+            Grid.ColumnSpan="2"
+            VerticalAlignment="Center"
+            Margin="10,0"
+            IsEnabled="False"
+            IsVisible="{Binding #cmbKnownDirs.SelectedItem, Converter={x:Static ObjectConverters.IsNull}}"
+            Text="Select Known Directory:" />
 
-		<Grid Grid.Column="1" Grid.Row="1" ColumnDefinitions="*,Auto"
-			  IsEnabled="{Binding CustomChecked}">
-			<TextBox Grid.Column="0" IsReadOnly="True" Text="{Binding CustomDir, Mode=TwoWay}" />
-			<Button Grid.Column="1" Content="..." Margin="5,0,0,0" Padding="10,0,10,0" Click="CustomDirBrowseBtn_Click" VerticalAlignment="Stretch" />
-		</Grid>
-	</Grid>
+		<controls:WheelComboBox
+            Grid.Column="1"
+            Grid.ColumnSpan="2"
+            HorizontalAlignment="Stretch"
+            Margin="0,0,0,3"
+            IsEnabled="{Binding #rbKnown.IsChecked}"
+            Name="cmbKnownDirs" />
+
+        <TextBox
+            Grid.Row="1"
+            Grid.Column="1"
+            Grid.ColumnSpan="2"
+            IsReadOnly="True"
+            Margin="0,0,0,8"
+            Name="tboxKnownDirPath"
+            IsEnabled="{Binding #rbKnown.IsChecked}"
+            Text="{Binding #cmbKnownDirs.SelectedItem.Directory}" />
+
+        
+        <RadioButton
+            Grid.Row="2"
+            Name="rbCustom" />
+
+        <TextBox
+        Grid.Row="2"
+            Grid.Column="1"
+            HorizontalAlignment="Stretch"
+            Name="tboxCustomDirPath"
+            Margin="0,0,10,0"
+            VerticalAlignment="Center"
+            Text="{Binding $parent[1].Directory, Mode=OneWayToSource}"
+            IsEnabled="{Binding #rbCustom.IsChecked}"/>
+
+        <Button
+             Grid.Row="2"
+             Grid.Column="2"
+             Name="btnBrowse"
+             IsEnabled="{Binding #rbCustom.IsChecked}">
+                <TextBlock Text="..." />
+        </Button>
+
+    </Grid>
 </UserControl>

Source/LibationAvalonia/Controls/DirectoryOrCustomSelectControl.axaml.cs

@@ -1,142 +1,184 @@
 using Avalonia;
+using Avalonia.Collections;
 using Avalonia.Controls;
 using Avalonia.Platform.Storage;
 using Dinah.Core;
 using LibationFileManager;
 using ReactiveUI;
 using System.Collections.Generic;
+using System.IO;
 using System.Linq;
 
+#nullable enable
 namespace LibationAvalonia.Controls
 {
 	public partial class DirectoryOrCustomSelectControl : UserControl
 	{
-		public static readonly StyledProperty<List<Configuration.KnownDirectories>> KnownDirectoriesProperty =
-		AvaloniaProperty.Register<DirectorySelectControl, List<Configuration.KnownDirectories>>(nameof(KnownDirectories), DirectorySelectControl.DefaultKnownDirectories);
+		public static readonly StyledProperty<IList<Configuration.KnownDirectories>?> KnownDirectoriesProperty =
+		AvaloniaProperty.Register<DirectoryOrCustomSelectControl, IList<Configuration.KnownDirectories>?>(nameof(KnownDirectories), DefaultKnownDirectories);
 
-		public static readonly StyledProperty<string> SubDirectoryProperty =
-		AvaloniaProperty.Register<DirectorySelectControl, string>(nameof(SubDirectory));
+		public static readonly StyledProperty<string?> SubDirectoryProperty =
+		AvaloniaProperty.Register<DirectoryOrCustomSelectControl, string?>(nameof(SubDirectory));
 
-		public static readonly StyledProperty<string> DirectoryProperty =
-		AvaloniaProperty.Register<DirectorySelectControl, string>(nameof(Directory));
+		public static readonly StyledProperty<string?> DirectoryProperty =
+		AvaloniaProperty.Register<DirectoryOrCustomSelectControl, string?>(nameof(Directory));
 
-		public List<Configuration.KnownDirectories> KnownDirectories
+		public IList<Configuration.KnownDirectories>? KnownDirectories
 		{
 			get => GetValue(KnownDirectoriesProperty);
 			set => SetValue(KnownDirectoriesProperty, value);
 		}
 
-		public string Directory
+		public string? Directory
 		{
 			get => GetValue(DirectoryProperty);
 			set => SetValue(DirectoryProperty, value);
 		}
 
-		public string SubDirectory
+		public string? SubDirectory
 		{
 			get => GetValue(SubDirectoryProperty);
 			set => SetValue(SubDirectoryProperty, value);
 		}
 
-		private readonly DirectoryState directoryState = new();
+		public static IList<Configuration.KnownDirectories> DefaultKnownDirectories => [
+			Configuration.KnownDirectories.WinTemp,
+			Configuration.KnownDirectories.UserProfile,
+			Configuration.KnownDirectories.ApplicationData,
+			Configuration.KnownDirectories.AppDir,
+			Configuration.KnownDirectories.MyMusic,
+			Configuration.KnownDirectories.MyDocs,
+			Configuration.KnownDirectories.LibationFiles];
 
+		private readonly AvaloniaList<KnownDirectoryItem> _knownDirNames;
 		public DirectoryOrCustomSelectControl()
 		{
 			InitializeComponent();
-
-			grid.DataContext = directoryState;
-
-			directoryState.PropertyChanged += DirectoryState_PropertyChanged;
-			PropertyChanged += DirectoryOrCustomSelectControl_PropertyChanged;
+			_knownDirNames = new(GetKnownDirectories(DefaultKnownDirectories));
+			cmbKnownDirs.ItemsSource = _knownDirNames;
+			cmbKnownDirs.SelectionChanged += CmbKnownDirs_SelectionChanged;
+			btnBrowse.Click += Browse_Click;
 		}
 
-		private void DirectoryState_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
+		private void CmbKnownDirs_SelectionChanged(object? sender, SelectionChangedEventArgs e)
 		{
-			if (e.PropertyName is nameof(DirectoryState.SelectedDirectory) or nameof(DirectoryState.KnownChecked) &&
-				directoryState.KnownChecked &&
-				directoryState.SelectedDirectory is Configuration.KnownDirectories kdir &&
-				kdir is not Configuration.KnownDirectories.None)
+			if (cmbKnownDirs.SelectedItem is KnownDirectoryItem item && item.Directory is not null)
 			{
-				Directory = kdir is Configuration.KnownDirectories.AppDir ? Configuration.AppDir_Absolute : Configuration.GetKnownDirectoryPath(kdir);
-			}
-			else if (e.PropertyName is nameof(DirectoryState.CustomDir) or nameof(DirectoryState.CustomChecked) &&
-				directoryState.CustomChecked &&
-				directoryState.CustomDir is not null)
-			{
-				Directory = directoryState.CustomDir;
+				Directory = item.Directory;
 			}
 		}
 
-		private class DirectoryState : ViewModels.ViewModelBase
-		{
-			private string _customDir;
-			private string _subDirectory;
-			private bool _knownChecked;
-			private bool _customChecked;
-			private Configuration.KnownDirectories? _selectedDirectory;
-			public string CustomDir { get => _customDir; set => this.RaiseAndSetIfChanged(ref _customDir, value); }
-			public string SubDirectory { get => _subDirectory; set => this.RaiseAndSetIfChanged(ref _subDirectory, value); }
-			public bool KnownChecked { get => _knownChecked; set => this.RaiseAndSetIfChanged(ref _knownChecked, value); }
-			public bool CustomChecked { get => _customChecked; set => this.RaiseAndSetIfChanged(ref _customChecked, value); }
+		private IEnumerable<KnownDirectoryItem> GetKnownDirectories(IEnumerable<Configuration.KnownDirectories> knownDirs)
+			=> knownDirs.Select(k => new KnownDirectoryItem(k, SubDirectory)).Where(k => k.Directory is not null);
 
-			public Configuration.KnownDirectories? SelectedDirectory { get => _selectedDirectory; set => this.RaiseAndSetIfChanged(ref _selectedDirectory, value); }
+		protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change)
+		{
+			if (change.Property == SubDirectoryProperty)
+			{
+				foreach (var item in _knownDirNames)
+				{
+					item.SubDirectory = SubDirectory;
+				}
+				VerifyAndApplyDirectory(Directory);
+			}
+			else if (change.Property == KnownDirectoriesProperty)
+			{
+				var knownDirs = KnownDirectories?.Count > 0 ? KnownDirectories : DefaultKnownDirectories;
+				if (!_knownDirNames.Select(k => k.KnownDirectory).SequenceEqual(knownDirs))
+				{
+					_knownDirNames.Clear();
+					_knownDirNames.AddRange(GetKnownDirectories(knownDirs));
+				}
+				VerifyAndApplyDirectory(Directory);
+			}
+			else if (change.Property == DirectoryProperty)
+			{
+				VerifyAndApplyDirectory(Directory);
+			}
+
+			base.OnPropertyChanged(change);
 		}
 
-		private async void CustomDirBrowseBtn_Click(object sender, Avalonia.Interactivity.RoutedEventArgs e)
+		private void VerifyAndApplyDirectory(string? directory)
 		{
-			var options = new Avalonia.Platform.Storage.FolderPickerOpenOptions
+			if (string.IsNullOrWhiteSpace(Directory))
+				return;
+
+			bool dirIsKnown = false;
+			foreach (var item in _knownDirNames)
+			{
+				if (item.IsSamePathAs(directory))
+				{
+					rbKnown.IsChecked = true;
+					Directory = item.Directory;
+					cmbKnownDirs.SelectedItem = item;
+					dirIsKnown = true;
+					break;
+				}
+			}
+			if (!dirIsKnown)
+			{
+				tboxCustomDirPath.Text = directory;
+				rbCustom.IsChecked = true;
+			}
+		}
+
+		public async void Browse_Click(object? sender, Avalonia.Interactivity.RoutedEventArgs e)
+		{
+			if (VisualRoot is not Window window)
+				return;
+
+			var options = new FolderPickerOpenOptions
 			{
 				AllowMultiple = false
 			};
 
-			var selectedFolders = await (VisualRoot as Window).StorageProvider.OpenFolderPickerAsync(options);
-
-			directoryState.CustomDir = selectedFolders.SingleOrDefault()?.TryGetLocalPath() ?? directoryState.CustomDir;
+			var selectedFolders = await window.StorageProvider.OpenFolderPickerAsync(options);
+			Directory = selectedFolders.SingleOrDefault()?.TryGetLocalPath() ?? Directory;
 		}
 
-		private void DirectoryOrCustomSelectControl_PropertyChanged(object sender, AvaloniaPropertyChangedEventArgs e)
+		private class KnownDirectoryItem : ReactiveObject
 		{
-			if (e.Property == DirectoryProperty)
+			public Configuration.KnownDirectories KnownDirectory { get; set; }
+			private string? _directory;
+			public string? Directory { get => _directory; private set => this.RaiseAndSetIfChanged(ref _directory, value); }
+			public string? Name { get; }
+			private string? _subDir;
+			public string? SubDirectory
 			{
-				var directory = Directory?.Trim() ?? "";
-
-				var noSubDir = RemoveSubDirectoryFromPath(directory);
-				var known = Configuration.GetKnownDirectory(noSubDir);
-
-				if (known == Configuration.KnownDirectories.None && noSubDir == Configuration.AppDir_Absolute)
-					known = Configuration.KnownDirectories.AppDir;
-
-				if (known is Configuration.KnownDirectories.None)
+				get => _subDir;
+				set
 				{
-					directoryState.CustomDir = directory;
-					directoryState.CustomChecked = true;
-				}
-				else
-				{
-					directoryState.SelectedDirectory = known;
-					directoryState.KnownChecked = true;
+					_subDir = value;
+					if (Configuration.GetKnownDirectoryPath(KnownDirectory) is string dir)
+					{
+						Directory = Path.Combine(dir, _subDir ?? "");
+					}
 				}
 			}
-			else if (e.Property == KnownDirectoriesProperty &&
-					KnownDirectories.Count > 0 &&
-					directoryState.SelectedDirectory is null or Configuration.KnownDirectories.None)
-				directoryState.SelectedDirectory = KnownDirectories[0];
-		}
 
-		private string RemoveSubDirectoryFromPath(string path)
-		{
-			if (string.IsNullOrWhiteSpace(SubDirectory))
-				return path;
+			public KnownDirectoryItem(Configuration.KnownDirectories known, string? subDir)
+			{
+				Name = known.GetDescription();
+				KnownDirectory = known;
+				SubDirectory = subDir;
+			}
 
-			path = path?.Trim() ?? "";
-			if (string.IsNullOrWhiteSpace(path))
-				return path;
+			public bool IsSamePathAs(string? otherPath)
+			{
+				if (string.IsNullOrWhiteSpace(otherPath) || string.IsNullOrWhiteSpace(Directory))
+					return false;
 
-			var bottomDir = System.IO.Path.GetFileName(path);
-			if (SubDirectory.EqualsInsensitive(bottomDir))
-				return System.IO.Path.GetDirectoryName(path);
+				try
+				{
+					var p1 = Path.GetFullPath(Directory);
+					var p2 = Path.GetFullPath(otherPath);
+					return p1.Equals(p2, System.StringComparison.OrdinalIgnoreCase);
+				}
+				catch { return false; }
+			}
 
-			return path;
+			public override string? ToString() => Name?.ToString();
 		}
 	}
 }

Source/LibationAvalonia/Dialogs/AboutDialog.axaml

@@ -9,15 +9,15 @@
 		xmlns:controls="clr-namespace:LibationAvalonia.Controls"
         Title="About Libation">
 	
-	<Grid Margin="10" ColumnDefinitions="Auto,*" RowDefinitions="Auto,Auto,Auto,*">
+	<Grid Margin="10" RowDefinitions="Auto,Auto,Auto,Auto,*">
 		
-		<controls:LinkLabel Grid.ColumnSpan="2" FontSize="16" FontWeight="Bold" Text="{Binding Version}" ToolTip.Tip="View Release Notes" Tapped="ViewReleaseNotes_Tapped" />
+		<controls:LinkLabel FontSize="16" FontWeight="Bold" Text="{Binding Version}" ToolTip.Tip="View Release Notes" Tapped="ViewReleaseNotes_Tapped" />
 
-		<controls:LinkLabel Grid.Column="1" FontSize="14" VerticalAlignment="Center" HorizontalAlignment="Right" Text="https://getlibation.com" Tapped="Link_getlibation"/>
+		<controls:LinkLabel Grid.Row="1" FontSize="14" VerticalAlignment="Center" Text="https://getlibation.com" Tapped="Link_getlibation"/>
 		
-		<Button Grid.Row="1" Grid.ColumnSpan="2" HorizontalAlignment="Stretch" HorizontalContentAlignment="Center" Margin="0,20,0,0"  IsEnabled="{Binding CanCheckForUpgrade}" Content="{Binding UpgradeButtonText}" Click="CheckForUpgrade_Click" />
+		<Button Grid.Row="2" HorizontalAlignment="Stretch" HorizontalContentAlignment="Center" Margin="0,10,0,0"  IsEnabled="{Binding CanCheckForUpgrade}" Content="{Binding UpgradeButtonText}" Click="CheckForUpgrade_Click" />
 
-		<Canvas Grid.Row="2" Grid.ColumnSpan="2" Margin="0,30,0,20" Width="280" Height="220">
+		<Canvas Grid.Row="3" Margin="0,30,0,20" Width="280" Height="220">
 			<Path Stretch="None" Fill="{DynamicResource IconFill}" Data="{DynamicResource LibationCheersIcon}">
 				<Path.RenderTransform>
 					<TransformGroup>
@@ -39,7 +39,7 @@
 			</Path>
 		</Canvas>
 
-		<controls:GroupBox Grid.Row="3" Label="Acknowledgements" Grid.ColumnSpan="2">
+		<controls:GroupBox Grid.Row="4" Label="Acknowledgements">
 			<StackPanel>
 				<StackPanel.Styles>
 					<Style Selector="controls|LinkLabel">

Source/LibationAvalonia/Dialogs/EditReplacementChars.axaml

@@ -2,92 +2,80 @@
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-        mc:Ignorable="d" d:DesignWidth="500" d:DesignHeight="450"
-		MinWidth="500" MinHeight="450"
-		Width="500" Height="450"
+        mc:Ignorable="d" d:DesignWidth="450" d:DesignHeight="450"
+		MinWidth="450" MinHeight="450"
+		Width="450" Height="450"
         x:Class="LibationAvalonia.Dialogs.EditReplacementChars"
 		xmlns:dialogs="clr-namespace:LibationAvalonia.Dialogs"
+		xmlns:controls="clr-namespace:LibationAvalonia.Controls"
 		x:DataType="dialogs:EditReplacementChars"
-        Title="Illegal Character Replacement">
-
-	<Grid
-		RowDefinitions="*,Auto"
-		ColumnDefinitions="*,Auto">
+		x:CompileBindings="True"
+		Title="File Path Character Replacement">
 
+	<Grid RowDefinitions="*,Auto">
 		<DataGrid
 			Grid.Row="0"
 			Grid.ColumnSpan="2"
-			GridLinesVisibility="All"
 			Margin="5"
-			Name="replacementGrid"
-			AutoGenerateColumns="False"
 			IsReadOnly="False"
-			BeginningEdit="ReplacementGrid_BeginningEdit"
-			CellEditEnding="ReplacementGrid_CellEditEnding"
-			KeyDown="ReplacementGrid_KeyDown"
-			ItemsSource="{CompiledBinding replacements}">
-
+			GridLinesVisibility="All"
+			CanUserSortColumns="False"
+			AutoGenerateColumns="False"
+			ItemsSource="{Binding Replacements}"
+			KeyDown="replacementGrid_KeyDown"
+			BeginningEdit="replacementGrid_BeginningEdit"
+			CellEditEnded="replacementGrid_CellEditEnded"
+			CellEditEnding="replacementGrid_CellEditEnding">
 			<DataGrid.Columns>
 
-				<DataGridTemplateColumn Header="Char to&#xa;Replace">
-					<DataGridTemplateColumn.CellTemplate>
-						<DataTemplate x:DataType="dialogs:EditReplacementChars+ReplacementsExt">
-							<TextBox IsReadOnly="{CompiledBinding Mandatory}" Text="{CompiledBinding CharacterToReplace, Mode=TwoWay}" />
-						</DataTemplate>
-					</DataGridTemplateColumn.CellTemplate>
-				</DataGridTemplateColumn>
-				
-				<DataGridTemplateColumn Header="Replacement&#xa;Text">
-					<DataGridTemplateColumn.CellTemplate>
-						<DataTemplate x:DataType="dialogs:EditReplacementChars+ReplacementsExt">
-							<TextBox Text="{CompiledBinding ReplacementText, Mode=TwoWay}" />
-						</DataTemplate>
-					</DataGridTemplateColumn.CellTemplate>
-				</DataGridTemplateColumn>
+				<controls:DataGridTextColumnExt
+					x:DataType="dialogs:EditReplacementChars+ReplacementsExt"
+					MaxLength="1"
+					Header="Char to&#xa;Replace"
+					Binding="{Binding CharacterToReplace, Mode=TwoWay}"/>
 
-				<DataGridTemplateColumn Width="*" Header="Description">
-					<DataGridTemplateColumn.CellTemplate>
-						<DataTemplate x:DataType="dialogs:EditReplacementChars+ReplacementsExt">
-							<TextBox IsReadOnly="{CompiledBinding Mandatory}" Text="{CompiledBinding Description, Mode=TwoWay}" />
-						</DataTemplate>
-					</DataGridTemplateColumn.CellTemplate>
-				</DataGridTemplateColumn>
+				<DataGridTextColumn
+					x:DataType="dialogs:EditReplacementChars+ReplacementsExt"
+					Header="Replacement&#xa;Text"
+					Binding="{Binding ReplacementText, Mode=TwoWay}"/>
+            
+				<DataGridTextColumn
+					x:DataType="dialogs:EditReplacementChars+ReplacementsExt"
+					Header="Description"
+					Binding="{Binding Description, Mode=TwoWay}"/>
 
 			</DataGrid.Columns>
 		</DataGrid>
 
 		<Grid
 			Grid.Row="1"
-			Grid.Column="0"
 			RowDefinitions="Auto,Auto"
-			Margin="5"
-			ColumnDefinitions="Auto,Auto,Auto,Auto">
+			ColumnDefinitions="Auto,Auto,Auto,*,Auto,Auto"
+			Margin="5">
+			<Grid.Styles>
+				<Style Selector="Button">
+					<Setter Property="Margin" Value="2"/>
+					<Setter Property="Padding" Value="6"/>
+					<Setter Property="VerticalAlignment" Value="Bottom"/>
+				</Style>
+				<Style Selector="TextBlock">
+					<Setter Property="VerticalAlignment" Value="Center"/>
+				</Style>
+			</Grid.Styles>
 
-			<TextBlock IsVisible="{CompiledBinding !EnvironmentIsWindows}" Text="This System:" Margin="0,0,10,0" VerticalAlignment="Center" />
-			<TextBlock IsVisible="{CompiledBinding !EnvironmentIsWindows}" Grid.Row="1" Text="NTFS:" Margin="0,0,10,0" VerticalAlignment="Center" />
+			<TextBlock Grid.Row="0" Text="This&#xa;System:" IsVisible="{Binding !EnvironmentIsWindows}" />
+			<TextBlock Grid.Row="1" Text="NTFS:" IsVisible="{Binding !EnvironmentIsWindows}" />
 
-			<Button Grid.Column="1" Margin="0,0,10,0" Command="{CompiledBinding Defaults}" CommandParameter="{CompiledBinding EnvironmentIsWindows}" Content="Defaults" />
-			<Button Grid.Column="2" Margin="0,0,10,0" Command="{CompiledBinding LoFiDefaults}" CommandParameter="{CompiledBinding EnvironmentIsWindows}" Content="LoFi Defaults" />
-			<Button Grid.Column="3" Command="{CompiledBinding Barebones}" CommandParameter="{CompiledBinding EnvironmentIsWindows}" Content="Barebones" />
+			<Button Grid.Column="1" Command="{Binding Defaults}" CommandParameter="{Binding EnvironmentIsWindows}" Content="Defaults" />
+			<Button Grid.Column="2" Command="{Binding LoFiDefaults}" CommandParameter="{Binding EnvironmentIsWindows}" Content="LoFi Defaults" />
+			<Button Grid.Column="3" Command="{Binding Barebones}" CommandParameter="{Binding EnvironmentIsWindows}" Content="Barebones" />
 
-			<Button IsVisible="{CompiledBinding !EnvironmentIsWindows}" Grid.Row="1" Grid.Column="1" Margin="0,10,10,0" Command="{CompiledBinding Defaults}" CommandParameter="True" Content="Defaults" />
-			<Button IsVisible="{CompiledBinding !EnvironmentIsWindows}" Grid.Row="1" Grid.Column="2" Margin="0,10,10,0" Command="{CompiledBinding LoFiDefaults}" CommandParameter="True" Content="LoFi Defaults" />
-			<Button IsVisible="{CompiledBinding !EnvironmentIsWindows}" Grid.Row="1" Grid.Column="3" Margin="0,10,0,0" Command="{CompiledBinding Barebones}" CommandParameter="True" Content="Barebones" />
-
-		</Grid>
-
-		<StackPanel
-			Grid.Row="1"
-			Grid.Column="1"
-			Margin="5"
-			VerticalAlignment="Bottom"
-			Orientation="Horizontal">
-
-			<Button Margin="0,0,10,0" Command="{Binding Close}" Content="Cancel" />
-			<Button Padding="20,5,20,6" Command="{Binding SaveAndClose}" Content="Save" />
-		</StackPanel>
-		
-	</Grid>
-	
-	
+			<Button Grid.Row="1" Grid.Column="1" IsVisible="{Binding !EnvironmentIsWindows}" Command="{Binding Defaults}" CommandParameter="True" Content="Defaults" />
+			<Button Grid.Row="1" Grid.Column="2" IsVisible="{Binding !EnvironmentIsWindows}" Command="{Binding LoFiDefaults}" CommandParameter="True" Content="LoFi Defaults" />
+			<Button Grid.Row="1" Grid.Column="3" IsVisible="{Binding !EnvironmentIsWindows}" Command="{Binding Barebones}" CommandParameter="True" Content="Barebones" />
+						
+			<Button Grid.RowSpan="2" Grid.Column="4" Command="{Binding Close}" Content="Cancel" />
+			<Button Grid.RowSpan="2" Grid.Column="5" Padding="20,6" Command="{Binding SaveAndClose}" Content="Save" />
+		</Grid>	
+	</Grid>	
 </Window>

Source/LibationAvalonia/Dialogs/EditReplacementChars.axaml.cs

@@ -1,27 +1,27 @@
 using Avalonia.Collections;
 using Avalonia.Controls;
-using Avalonia.Data;
 using FileManager;
 using LibationFileManager;
 using ReactiveUI;
 using System.Collections.Generic;
 using System.Linq;
 
+#nullable enable
 namespace LibationAvalonia.Dialogs
 {
 	public partial class EditReplacementChars : DialogWindow
 	{
-		Configuration config;
+		private Configuration? Config { get; }
 
 		public bool EnvironmentIsWindows => Configuration.IsWindows;
 
-		private readonly List<ReplacementsExt> SOURCE = new();
-		public DataGridCollectionView replacements { get; }
+		private readonly AvaloniaList<ReplacementsExt> SOURCE = new();
+		public DataGridCollectionView Replacements { get; }
 		public EditReplacementChars()
 		{
 			InitializeComponent();
 
-			replacements = new(SOURCE);
+			Replacements = new(SOURCE);
 
 			if (Design.IsDesignMode)
 			{
@@ -33,7 +33,7 @@ namespace LibationAvalonia.Dialogs
 
 		public EditReplacementChars(Configuration config) : this()
 		{
-			this.config = config;
+			Config = config;
 			LoadTable(config.ReplacementCharacters.Replacements);
 		}
 
@@ -44,15 +44,14 @@ namespace LibationAvalonia.Dialogs
 		public void Barebones(bool isNtfs)
 			=> LoadTable(ReplacementCharacters.Barebones(isNtfs).Replacements);
 
-		protected override void SaveAndClose()
+		public new void Close() => base.Close();
+		public new void SaveAndClose()
 		{
-			var replacements = SOURCE
-				.Where(r => !r.IsDefault)
-				.Select(r => new Replacement(r.Character, r.ReplacementText, r.Description) { Mandatory = r.Mandatory })
-				.ToList();
-
-			if (config is not null)
-				config.ReplacementCharacters = new ReplacementCharacters { Replacements = replacements };
+			if (Config is not null)
+			{
+				var replacements = SOURCE.Where(r => !r.IsDefault).Select(r => r.ToReplacement()).ToArray();
+				Config.ReplacementCharacters = new ReplacementCharacters { Replacements = replacements };
+			}
 			base.SaveAndClose();
 		}
 
@@ -61,59 +60,64 @@ namespace LibationAvalonia.Dialogs
 			SOURCE.Clear();
 			SOURCE.AddRange(replacements.Select(r => new ReplacementsExt(r)));
 			SOURCE.Add(new ReplacementsExt());
-			this.replacements.Refresh();
 		}
 
-		public void ReplacementGrid_KeyDown(object sender, Avalonia.Input.KeyEventArgs e)
+		private bool ColumnIsCharacter(DataGridColumn column)
+			=> column.DisplayIndex is 0;
+
+		private bool ColumnIsReplacement(DataGridColumn column)
+			=> column.DisplayIndex is 1;
+
+		private bool RowIsReadOnly(DataGridRow row)
+			=> row.DataContext is ReplacementsExt rep && rep.Mandatory;
+
+		private bool CanDeleteSelectedItem(ReplacementsExt selectedItem)
+			=> !selectedItem.Mandatory && (!selectedItem.IsDefault || SOURCE[^1] != selectedItem);
+
+		private void replacementGrid_BeginningEdit(object sender, DataGridBeginningEditEventArgs e)
 		{
-			if (e.Key == Avalonia.Input.Key.Delete
-				&& ((DataGrid)sender).SelectedItem is ReplacementsExt repl
-				&& !repl.Mandatory
-				&& !repl.IsDefault)
-			{
-				replacements.Remove(repl);
-			}
+			e.Cancel = RowIsReadOnly(e.Row) && !ColumnIsReplacement(e.Column);
 		}
 
-		public void ReplacementGrid_CellEditEnding(object sender, DataGridCellEditEndingEventArgs e)
+		private void replacementGrid_CellEditEnding(object? sender, DataGridCellEditEndingEventArgs e)
 		{
-			var replacement = e.Row.DataContext as ReplacementsExt;
-			var colBinding = columnBindingPath(e.Column);
-
-			//Prevent duplicate CharacterToReplace
-			if (e.EditingElement is TextBox tbox
-				&& colBinding == nameof(replacement.CharacterToReplace)
-				&& SOURCE.Any(r => r != replacement && r.CharacterToReplace == tbox.Text))
+			//Disallow duplicates of CharacterToReplace
+			if (ColumnIsCharacter(e.Column) && e.Row.DataContext is ReplacementsExt r && r.CharacterToReplace.Length > 0 && SOURCE.Count(rep => rep.CharacterToReplace == r.CharacterToReplace) > 1)
 			{
-				tbox.Text = replacement.CharacterToReplace;
-			}
-
-			//Add new blank row
-			void Replacement_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
-			{
-				if (!SOURCE.Any(r => r.IsDefault))
-				{
-					var rewRepl = new ReplacementsExt();
-					SOURCE.Add(rewRepl);
-				}
-				replacement.PropertyChanged -= Replacement_PropertyChanged;
-			}
-
-			replacement.PropertyChanged += Replacement_PropertyChanged;
-		}
-
-		public void ReplacementGrid_BeginningEdit(object sender, DataGridBeginningEditEventArgs e)
-		{
-			var replacement = e.Row.DataContext as ReplacementsExt;
-
-			//Disallow editing of Mandatory CharacterToReplace and Descriptions
-			if (replacement.Mandatory
-				&& columnBindingPath(e.Column) != nameof(replacement.ReplacementText))
+				r.CharacterToReplace = "";
 				e.Cancel = true;
+			}
 		}
 
-		private static string columnBindingPath(DataGridColumn column)
-			=> ((Binding)((DataGridBoundColumn)column).Binding).Path;
+		private void replacementGrid_CellEditEnded(object? sender, DataGridCellEditEndedEventArgs e)
+		{
+			if (ColumnIsCharacter(e.Column) && e.Row.DataContext is ReplacementsExt r && r.CharacterToReplace.Length > 0 && !SOURCE[^1].IsDefault)
+			{
+				Replacements.AddNew();
+			}
+		}
+
+		private void replacementGrid_KeyDown(object? sender, Avalonia.Input.KeyEventArgs e)
+		{
+			if (e.Key == Avalonia.Input.Key.Delete && (sender as DataGrid)?.SelectedItem is ReplacementsExt r && CanDeleteSelectedItem(r))
+			{
+				if (Replacements.IsEditingItem)
+				{
+					if (Replacements.CanCancelEdit)
+						Replacements.CancelEdit();
+					else
+						Replacements.CommitEdit();
+				}
+				if (Replacements.IsAddingNew)
+				{
+					Replacements.CancelNew();
+				}
+				if (Replacements.CanRemove)
+				{
+					Replacements.Remove(r);
+				}
+			}
+		}
 
 		public class ReplacementsExt : ViewModels.ViewModelBase
 		{
@@ -122,7 +126,6 @@ namespace LibationAvalonia.Dialogs
 				_replacementText = string.Empty;
 				_description = string.Empty;
 				_characterToReplace = string.Empty;
-				IsDefault = true;
 			}
 			public ReplacementsExt(Replacement replacement)
 			{
@@ -131,41 +134,19 @@ namespace LibationAvalonia.Dialogs
 				_description = replacement.Description;
 				Mandatory = replacement.Mandatory;
 			}
+
 			private string _replacementText;
 			private string _description;
 			private string _characterToReplace;
-			public bool Mandatory { get; }
-			public string ReplacementText
-			{
-				get => _replacementText;
-				set
-				{
-					if (ReplacementCharacters.ContainsInvalidFilenameChar(value))
-						this.RaisePropertyChanged(nameof(ReplacementText));
-					else
-						this.RaiseAndSetIfChanged(ref _replacementText, value);
-				}
-			}
-
+			public string ReplacementText { get => _replacementText; set => this.RaiseAndSetIfChanged(ref _replacementText, value); }
 			public string Description { get => _description; set => this.RaiseAndSetIfChanged(ref _description, value); }
-
-			public string CharacterToReplace
-			{
-				get => _characterToReplace;
-
-				set
-				{
-					if (value?.Length != 1)
-						this.RaisePropertyChanged(nameof(CharacterToReplace));
-					else
-					{
-						IsDefault = false;
-						this.RaiseAndSetIfChanged(ref _characterToReplace, value);
-					}
-				}
-			}
+			public string CharacterToReplace { get => _characterToReplace; set => this.RaiseAndSetIfChanged(ref _characterToReplace, value); }
 			public char Character => string.IsNullOrEmpty(_characterToReplace) ? default : _characterToReplace[0];
-			public bool IsDefault { get; private set; }
+			public bool IsDefault => !Mandatory && string.IsNullOrEmpty(CharacterToReplace);
+			public bool Mandatory { get; }
+
+			public Replacement ToReplacement()
+				=> new(Character, ReplacementText, Description) { Mandatory = Mandatory };
 		}
 	}
 }

Source/LibationAvalonia/Dialogs/ScanAccountsDialog.axaml

@@ -1,15 +1,23 @@
-<Window xmlns="https://github.com/avaloniaui"
-        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
-        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-        mc:Ignorable="d" d:DesignWidth="500" d:DesignHeight="200"
-        x:Class="LibationAvalonia.Dialogs.ScanAccountsDialog"
-		MinWidth="500" MinHeight="160"
-		Width="500" Height="200"
-        Title="Which Accounts?"
-		WindowStartupLocation="CenterOwner">
+<Window
+	xmlns="https://github.com/avaloniaui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    mc:Ignorable="d"
+	d:DesignWidth="500" d:DesignHeight="340"
+	MinWidth="200" MinHeight="210"
+	Width="500" Height="500"
+    x:Class="LibationAvalonia.Dialogs.ScanAccountsDialog"
+	xmlns:dialogs="clr-namespace:LibationAvalonia.Dialogs"
+	x:DataType="dialogs:ScanAccountsDialog"
+	x:CompileBindings="True"
+    Title="Which Accounts?"
+	WindowStartupLocation="CenterOwner">
 
-	<Grid ColumnDefinitions="*,Auto" RowDefinitions="Auto,*,Auto">
+	<Grid
+		ColumnDefinitions="*,Auto"
+		RowDefinitions="Auto,*,Auto"
+		Margin="10">
 		
 		<Grid.Styles>
 			<Style Selector="Button:focus">
@@ -22,54 +30,38 @@
 			Grid.Row="0"
 			Grid.Column="0"
 			Grid.ColumnSpan="2"
-			Margin="10"
 			Text="Check the accounts to scan and import.&#xa;To change default selections, go to: Settings > Accounts"/>
 
-		<ScrollViewer
+		<DockPanel
 			Grid.Row="1"
 			Grid.Column="0"
 			Grid.ColumnSpan="2"
-			Margin="10,0"
-			VerticalAlignment="Stretch"
-			HorizontalScrollBarVisibility="Disabled"
-			VerticalScrollBarVisibility="Auto">
+			Margin="0,10"
+			VerticalAlignment="Stretch">
 
-			<ListBox ItemsSource="{Binding Accounts}">
+			<ListBox Name="lbAccounts" ItemsSource="{Binding Accounts}">
 				<ListBox.ItemTemplate>
 					<DataTemplate>
-
-						<StackPanel Height="20" Orientation="Horizontal">
-	
-							<CheckBox
-								Margin="0,0,10,0" 
-								IsChecked="{Binding IsChecked, Mode=TwoWay}" />
-							<TextBlock
-								FontSize="12"
-								VerticalAlignment="Center"
-								Text="{Binding Text}" />
-							
-						</StackPanel>
-
+						<CheckBox
+							IsChecked="{Binding IsChecked, Mode=TwoWay}">
+							<TextBlock Text="{Binding Text}" />
+						</CheckBox>
 					</DataTemplate>
-				</ListBox.ItemTemplate>
-				
-			</ListBox>
-			
-		</ScrollViewer>
+				</ListBox.ItemTemplate>				
+			</ListBox>			
+		</DockPanel>
 		
 		<Button
 			Grid.Row="2"
 			Grid.Column="0"
-			Padding="20,5"
-			Margin="10"
+			Padding="20,6"
 			Content="Edit Accounts"
 			Command="{Binding EditAccountsAsync}"/>
 		
 		<Button
 			Grid.Row="2"
 			Grid.Column="1"
-			Padding="30,5"
-			Margin="10"
+			Padding="30,6"
 			HorizontalAlignment="Right"
 			Content="Import"
 			Name="ImportButton"

Source/LibationAvalonia/Dialogs/ScanAccountsDialog.axaml.cs

@@ -1,7 +1,6 @@
 using AudibleUtilities;
-using Avalonia.Controls;
+using Avalonia.Collections;
 using LibationUiBase.Forms;
-using System.Collections;
 using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
@@ -10,41 +9,36 @@ namespace LibationAvalonia.Dialogs
 {
 	public partial class ScanAccountsDialog : DialogWindow
 	{
-		public List<Account> CheckedAccounts { get; } = new();
-		private List<listItem> _accounts { get; } = new();
-		public IList Accounts => _accounts;
-		private class listItem
+		public IEnumerable<Account> CheckedAccounts => Accounts.Where(a => a.IsChecked).Select(a => a.Account);
+		public AvaloniaList<ListItem> Accounts { get; } = new();
+		public class ListItem
 		{
-			public Account Account { get; set; }
-			public string Text { get; set; }
-			public bool IsChecked { get; set; } = true;
+			public ListItem(Account account)
+			{
+				Account = account;
+				IsChecked = account.LibraryScan;
+				Text = $"{account.AccountName} ({account.AccountId} - {account.Locale.Name})";
+			}
+			public Account Account { get; }
+			public string Text { get; }
+			public bool IsChecked { get; set; }
 			public override string ToString() => Text;
 		}
 
 		public ScanAccountsDialog()
 		{
 			InitializeComponent();
-
-			ControlToFocusOnShow = this.FindControl<Button>(nameof(ImportButton));
-
+			ControlToFocusOnShow = ImportButton;
+			DataContext = this;
 			LoadAccounts();
 		}
 
 		private void LoadAccounts()
 		{
-			_accounts.Clear();
+			Accounts.Clear();
 			using var persister = AudibleApiStorage.GetAccountsSettingsPersister();
 			var accounts = persister.AccountsSettings.Accounts;
-
-			foreach (var account in accounts)
-				_accounts.Add(new listItem
-				{
-					Account = account,
-					IsChecked = account.LibraryScan,
-					Text = $"{account.AccountName} ({account.AccountId} - {account.Locale.Name})"
-				});
-
-			DataContext = this;
+			Accounts.AddRange(accounts.Select(account => new ListItem(account)));
 		}
 
 		public async Task EditAccountsAsync()
@@ -56,12 +50,7 @@ namespace LibationAvalonia.Dialogs
 			}
 		}
 
-		protected override void SaveAndClose()
-		{
-			foreach (listItem item in _accounts.Where(a => a.IsChecked))
-				CheckedAccounts.Add(item.Account);
-
-			base.SaveAndClose();
-		}
+		public new void SaveAndClose()
+			=> base.SaveAndClose();
 	}
 }

Source/LibationAvalonia/Dialogs/SearchSyntaxDialog.axaml

@@ -50,25 +50,25 @@
 		<Grid Grid.Row="1" RowDefinitions="Auto,Auto,*">
 			<TextBlock Text="STRING FIELDS" />
 			<TextBlock Grid.Row="1" Text="{CompiledBinding StringUsage}" />
-			<ListBox Grid.Row="2" ItemsSource="{CompiledBinding StringFields}"/>
+			<ListBox Grid.Row="2" DoubleTapped="ListBox_DoubleTapped" ItemsSource="{CompiledBinding StringFields}"/>
 		</Grid>
 
 		<Grid Grid.Row="1" Grid.Column="1" RowDefinitions="Auto,Auto,*">
 			<TextBlock Text="NUMBER FIELDS" />
 			<TextBlock Grid.Row="1" Text="{CompiledBinding NumberUsage}" />
-			<ListBox Grid.Row="2" ItemsSource="{CompiledBinding NumberFields}"/>
+			<ListBox Grid.Row="2" DoubleTapped="ListBox_DoubleTapped" ItemsSource="{CompiledBinding NumberFields}"/>
 		</Grid>
 
 		<Grid Grid.Row="1" Grid.Column="2" RowDefinitions="Auto,Auto,*">
 			<TextBlock Text="BOOLEAN (TRUE/FALSE) FIELDS" />
 			<TextBlock Grid.Row="1" Text="{CompiledBinding BoolUsage}" />
-			<ListBox Grid.Row="2" ItemsSource="{CompiledBinding BoolFields}"/>
+			<ListBox Grid.Row="2" DoubleTapped="ListBox_DoubleTapped" ItemsSource="{CompiledBinding BoolFields}"/>
 		</Grid>
 
 		<Grid Grid.Row="1" Grid.Column="3" RowDefinitions="Auto,Auto,*">
 			<TextBlock Text="ID FIELDS" />
 			<TextBlock Grid.Row="1" Text="{CompiledBinding IdUsage}" />
-			<ListBox Grid.Row="2" ItemsSource="{CompiledBinding IdFields}"/>
+			<ListBox Grid.Row="2" DoubleTapped="ListBox_DoubleTapped" ItemsSource="{CompiledBinding IdFields}"/>
 		</Grid>		
 	</Grid>
 </Window>

Source/LibationAvalonia/Dialogs/SearchSyntaxDialog.axaml.cs

@@ -1,10 +1,14 @@
+using Avalonia;
 using LibationSearchEngine;
+using System;
 using System.Linq;
 
+#nullable enable
 namespace LibationAvalonia.Dialogs
 {
 	public partial class SearchSyntaxDialog : DialogWindow
 	{
+		public event EventHandler<string>? TagDoubleClicked;
 		public string StringUsage { get; }
 		public string NumberUsage { get; }
 		public string BoolUsage { get; }
@@ -51,5 +55,13 @@ namespace LibationAvalonia.Dialogs
 
 			DataContext = this;
 		}
+
+		private void ListBox_DoubleTapped(object? sender, Avalonia.Input.TappedEventArgs e)
+		{
+			if (e.Source is StyledElement { DataContext: string tag })
+			{
+				TagDoubleClicked?.Invoke(this, tag);
+			}
+		}
 	}
 }

Source/LibationAvalonia/Dialogs/UpgradeNotificationDialog.axaml.cs

@@ -20,7 +20,7 @@ namespace LibationAvalonia.Dialogs
 			{
 				TopMessage = UpdateMessage;
 				Title = "Libation version 8.7.0 is now available.";
-				DownloadLinkText = "Libation.8.7.0-macos-chardonnay.tar.gz";
+				DownloadLinkText = "\r\nLibation.12.7.0-macOS-chardonnay-arm64.tgz ";
 				ReleaseNotes = "New features:\r\n\r\n* 'Remove' now removes forever. Removed books won't be re-added on next scan\r\n* #406 : Right Click Menu for Stop-Light Icon\r\n* #398 : Grid, right-click, copy\r\n* Add option for user to choose custom temp folder\r\n* Build Docker image\r\n\r\nEnhancements\r\n\r\n* Illegal Char Replace dialog in Chardonnay\r\n* Filename character replacement allows replacing any char, not just illegal\r\n* #352 : Better error messages for license denial\r\n* Improve 'cancel download'\r\n\r\nThanks to @Mbucari (u/MSWMan), @pixil98 (u/pixil)\r\n\r\nLibation is a free, open source audible library manager for Windows. Decrypt, backup, organize, and search your audible library\r\n\r\nI intend to keep Libation free and open source, but if you want to leave a tip, who am I to argue?";
 				OkText = "Yes";
 				DataContext = this;

Source/LibationAvalonia/ViewModels/MainVM.Filters.cs

@@ -55,7 +55,7 @@ namespace LibationAvalonia.ViewModels
 
 		public void AddQuickFilterBtn() { if (SelectedNamedFilter != null) QuickFilters.Add(SelectedNamedFilter); }
 		public async Task FilterBtn(string filterString) => await PerformFilter(new(filterString, null));
-		public async Task FilterHelpBtn() => await new LibationAvalonia.Dialogs.SearchSyntaxDialog().ShowDialog(MainWindow);
+		public void FilterHelpBtn() => MainWindow.ShowSearchSyntaxDialog();
 		public void ToggleFirstFilterIsDefault() => FirstFilterIsDefault = !FirstFilterIsDefault;
 		public async Task EditQuickFiltersAsync() => await new LibationAvalonia.Dialogs.EditQuickFilters().ShowDialog(MainWindow);
 		public async Task PerformFilter(QuickFilters.NamedFilter? namedFilter)

Source/LibationAvalonia/ViewModels/Settings/ImportantSettingsVM.cs

@@ -67,10 +67,11 @@ namespace LibationAvalonia.ViewModels.Settings
 
 		public List<Configuration.KnownDirectories> KnownDirectories { get; } = new()
 		{
-			Configuration.KnownDirectories.UserProfile,
-			Configuration.KnownDirectories.AppDir,
-			Configuration.KnownDirectories.MyDocs,
+			Configuration.KnownDirectories.LibationFiles,
 			Configuration.KnownDirectories.MyMusic,
+			Configuration.KnownDirectories.MyDocs,
+			Configuration.KnownDirectories.AppDir,
+			Configuration.KnownDirectories.UserProfile
 		};
 
 		public string BooksText { get; } = Configuration.GetDescription(nameof(Configuration.Books));

Source/LibationAvalonia/Views/MainWindow.axaml.cs

@@ -223,5 +223,28 @@ namespace LibationAvalonia.Views
 		}
 
 		private void setProgressVisible(bool visible) => ViewModel.DownloadProgress = visible ? 0 : null;
+
+		public SearchSyntaxDialog ShowSearchSyntaxDialog()
+		{
+			var dialog = new SearchSyntaxDialog();
+			dialog.TagDoubleClicked += Dialog_TagDoubleClicked;
+			dialog.Closed += Dialog_Closed;
+			filterHelpBtn.IsEnabled = false;
+			dialog.Show(this);
+			return dialog;
+
+			void Dialog_Closed(object sender, EventArgs e)
+			{
+				dialog.TagDoubleClicked -= Dialog_TagDoubleClicked;
+				filterHelpBtn.IsEnabled = true;
+			}
+			void Dialog_TagDoubleClicked(object sender, string tag)
+			{
+				var text = filterSearchTb.Text;
+				filterSearchTb.Text = text.Insert(Math.Min(Math.Max(0, filterSearchTb.CaretIndex), text.Length), tag);
+				filterSearchTb.CaretIndex += tag.Length;
+				filterSearchTb.Focus();
+			}
+		}
 	}
 }

Source/LibationAvalonia/Walkthrough.cs

@@ -203,9 +203,10 @@ namespace LibationAvalonia
 			
 			await displayControlAsync(MainForm.filterHelpBtn);
 
-			var filterHelp = new SearchSyntaxDialog();
-			await filterHelp.ShowDialog(MainForm);
-
+			var searchDialog = MainForm.ShowSearchSyntaxDialog();
+			var tcs = new TaskCompletionSource();
+			searchDialog.Closed += (_, _) => tcs.SetResult();
+			await tcs.Task;
 			return true;
 		}
 

Source/LibationFileManager/AudibleFileStorage.cs

@@ -146,16 +146,7 @@ namespace LibationFileManager
 
 		protected override List<LongPath> GetFilePathsCustom(string productId)
 		{
-			// If user changed the BooksDirectory: reinitialize
-			lock (bookDirectoryFilesLocker)
-			{
-				if (BooksDirectory != BookDirectoryFiles?.RootDirectory)
-				{
-					BookDirectoryFiles?.Dispose();
-					BookDirectoryFiles = newBookDirectoryFiles();
-				}
-			}
-
+			ValidateBookDirectoryFiles();
 			var regex = GetBookSearchRegex(productId);
 			var diskFiles = BookDirectoryFiles?.FindFiles(regex) ?? [];
 
@@ -172,14 +163,25 @@ namespace LibationFileManager
 
 		public void Refresh()
 		{
-			lock (bookDirectoryFilesLocker)
-			{
-				BookDirectoryFiles ??= newBookDirectoryFiles();
-			}
-
+			ValidateBookDirectoryFiles();
 			BookDirectoryFiles?.RefreshFiles();
 		}
 
+		private void ValidateBookDirectoryFiles()
+		{
+			lock (bookDirectoryFilesLocker)
+			{
+				if (BooksDirectory != BookDirectoryFiles?.RootDirectory)
+				{
+					//Will happen if the user changed the Books directory
+					//or if BackgroundFileSystem errored out.
+					BookDirectoryFiles?.Dispose();
+					BookDirectoryFiles = newBookDirectoryFiles();
+				}
+			}
+		}
+
+
 		public LongPath? GetPath(string productId) => GetFilePath(productId);
 
 		public static async IAsyncEnumerable<FilePathCache.CacheEntry> FindAudiobooksAsync(LongPath searchDirectory, [EnumeratorCancellation] CancellationToken cancellationToken)

Source/LibationFileManager/Configuration.KnownDirectories.cs

@@ -10,8 +10,8 @@ namespace LibationFileManager
 {
     public partial class Configuration
     {
-        public static string ProcessDirectory { get; } = Path.GetDirectoryName(Exe.FileLocationOnDisk)!;
-		public static string AppDir_Relative => $@".{Path.PathSeparator}{LIBATION_FILES_KEY}";
+        public static string ProcessDirectory { get; } = Path.GetDirectoryName(Environment.ProcessPath)!;
+		public static string AppDir_Relative => $@".{Path.DirectorySeparatorChar}{LIBATION_FILES_KEY}";
         public static string AppDir_Absolute => Path.GetFullPath(Path.Combine(ProcessDirectory, LIBATION_FILES_KEY));
         public static string MyDocs => Path.GetFullPath(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments), "Libation"));
         public static string MyMusic => Path.GetFullPath(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyMusic), "Libation"));

Source/LibationUiBase/LibationContributor.cs

@@ -43,6 +43,8 @@ public class LibationContributor
 			GitHubUser("patienttruth"),
 			GitHubUser("stickystyle"),
 			GitHubUser("cherez"),
+			GitHubUser("delebash"),
+			GitHubUser("twsouthwick"),
 		]);
 
 	private LibationContributor(string name, LibationContributorType type,Uri link)