Code Quality: Implemented Command Palette mode in Omnibar

src/Files.App/Data/Items/NavigationBarSuggestionItem.cs

@@ -1,17 +1,22 @@
 // Copyright (c) Files Community
 // Licensed under the MIT License.
 
+using Files.App.Controls;
+using Microsoft.UI.Xaml;
+
 namespace Files.App.Data.Items
 {
 	[Obsolete("Remove once Omnibar goes out of experimental.")]
-	public sealed partial class NavigationBarSuggestionItem : ObservableObject
+	public sealed partial class NavigationBarSuggestionItem : ObservableObject, IOmnibarTextMemberPathProvider
 	{
+		private Style? _ThemedIconStyle;
+		public Style? ThemedIconStyle { get => _ThemedIconStyle; set => SetProperty(ref _ThemedIconStyle, value); }
+
+		private string? _Glyph;
+		public string? Glyph { get => _Glyph; set => SetProperty(ref _Glyph, value); }
+
 		private string? _Text;
-		public string? Text
-		{
-			get => _Text;
-			set => SetProperty(ref _Text, value);
-		}
+		public string? Text { get => _Text; set => SetProperty(ref _Text, value); }
 
 		private string? _PrimaryDisplay;
 		public string? PrimaryDisplay
@@ -88,5 +93,16 @@ private void UpdatePrimaryDisplay()
 				}
 			}
 		}
+
+		public string GetTextMemberPath(string textMemberPath)
+		{
+			return textMemberPath switch
+			{
+				nameof(Text) => Text,
+				nameof(PrimaryDisplay) => PrimaryDisplay,
+				nameof(SearchText) => SearchText,
+				_ => string.Empty
+			};
+		}
 	}
 }

src/Files.App/UserControls/NavigationToolbar.xaml

@@ -1,3 +1,3 @@
 <!--  Copyright (c) Files Community. Licensed under the MIT License.  -->
 <UserControl
 	x:Class="Files.App.UserControls.NavigationToolbar"
@@ -27,6 +27,7 @@
 	<UserControl.Resources>
 		<ResourceDictionary>
 			<converters:NullToTrueConverter x:Key="NullToFalseConverter" Inverse="True" />
+			<converters:NullToVisibilityCollapsedConverter x:Key="NullToVisibilityCollapsedConverter" />
 			<converters1:BoolNegationConverter x:Key="BoolNegationConverter" />
 
 			<ResourceDictionary.MergedDictionaries>
@@ -367,42 +368,50 @@
 				IconOnActive="{controls:ThemedIconMarkup Style={StaticResource App.ThemedIcons.Omnibar.Commands}, IsFilled=True}"
 				IconOnInactive="{controls:ThemedIconMarkup Style={StaticResource App.ThemedIcons.Omnibar.Commands}, IconType=Outline}"
 				ModeName="{x:Bind Commands.OpenCommandPalette.LabelWithHotKey, Mode=OneWay}"
-				PlaceholderText="{helpers:ResourceString Name=OmnibarCommandPaletteModeTextPlaceholder}">
-				<!--<controls:OmnibarMode.SuggestionItemTemplate>
-				<DataTemplate x:DataType="data:OmnibarPaletteSuggestionItem">
-					<Grid Height="48" ColumnSpacing="12">
-						<Grid.ColumnDefinitions>
-							<ColumnDefinition Width="Auto" />
-							<ColumnDefinition Width="*" />
-							<ColumnDefinition Width="Auto" />
-						</Grid.ColumnDefinitions>
-						<controls:ThemedIcon
-							Width="20"
-							Height="20"
-							VerticalAlignment="Center"
-							Style="{StaticResource App.ThemedIcons.Actions.Copying}" />
-						<StackPanel Grid.Column="1" VerticalAlignment="Center">
-							<TextBlock
-								Style="{StaticResource BodyStrongTextBlockStyle}"
-								Text="{x:Bind Title}"
-								TextTrimming="CharacterEllipsis"
-								TextWrapping="NoWrap" />
-							<TextBlock
-								Foreground="{ThemeResource TextFillColorSecondaryBrush}"
-								Style="{StaticResource CaptionTextBlockStyle}"
-								Text="{x:Bind Description}"
-								TextTrimming="CharacterEllipsis"
-								TextWrapping="NoWrap" />
-						</StackPanel>
-						<StackPanel Grid.Column="2" VerticalAlignment="Center">
+				PlaceholderText="{helpers:ResourceString Name=OmnibarCommandPaletteModeTextPlaceholder}"
+				SuggestionItemsSource="{x:Bind ViewModel.OmnibarCommandPaletteModeSuggestionItems, Mode=OneWay}"
+				Text="{x:Bind ViewModel.OmnibarCommandPaletteModeText, Mode=TwoWay}"
+				TextMemberPath="Text"
+				UpdateTextOnSelect="False">
+				<controls:OmnibarMode.SuggestionItemTemplate>
+					<DataTemplate x:DataType="dataitems:NavigationBarSuggestionItem">
+						<Grid ColumnSpacing="12">
+							<Grid.ColumnDefinitions>
+								<ColumnDefinition Width="16" />
+								<ColumnDefinition Width="*" />
+								<ColumnDefinition Width="Auto" />
+							</Grid.ColumnDefinitions>
+
+							<Grid Grid.Column="0">
+								<Viewbox
+									Width="16"
+									Height="16"
+									Visibility="{x:Bind Glyph, Converter={StaticResource NullToVisibilityCollapsedConverter}}">
+									<FontIcon Foreground="{ThemeResource App.Theme.IconBaseBrush}" Glyph="{x:Bind Glyph}" />
+								</Viewbox>
+								<controls:ThemedIcon Style="{x:Bind ThemedIconStyle}" Visibility="{x:Bind ThemedIconStyle, Converter={StaticResource NullToVisibilityCollapsedConverter}}" />
+							</Grid>
+
+							<!--  Primary Title  -->
 							<TextBlock
-								Text="{x:Bind HotKeys}"
+								x:Name="PrimaryDisplayBlock"
+								Grid.Column="1"
+								VerticalAlignment="Center"
+								Foreground="{ThemeResource TextFillColorPrimaryBrush}"
 								TextTrimming="CharacterEllipsis"
-								TextWrapping="NoWrap" />
-						</StackPanel>
-					</Grid>
-				</DataTemplate>
-			</controls:OmnibarMode.SuggestionItemTemplate>-->
+								TextWrapping="NoWrap">
+								<Run FontWeight="Normal" Text="{x:Bind PrimaryDisplayPreMatched, Mode=OneWay}" /><Run FontWeight="Bold" Text="{x:Bind PrimaryDisplayMatched, Mode=OneWay}" /><Run FontWeight="Normal" Text="{x:Bind PrimaryDisplayPostMatched, Mode=OneWay}" />
+							</TextBlock>
+
+							<!--  Keyboard Shortcuts  -->
+							<keyboard:KeyboardShortcut
+								x:Name="RightAlignedKeyboardShortcut"
+								Grid.Column="2"
+								VerticalAlignment="Center"
+								HotKeys="{x:Bind HotKeys}" />
+						</Grid>
+					</DataTemplate>
+				</controls:OmnibarMode.SuggestionItemTemplate>
 			</controls:OmnibarMode>
 
 			<controls:OmnibarMode
@@ -467,12 +476,12 @@
 				<Grid Margin="-16">
 
 					<!-- Enable icon again if we add option to always display on the toolbar
-						<ThemedIcon
-							x:Name="StatusCenterIcon"
-							Width="16"
-							Height="16"
-							x:Load="{x:Bind OngoingTasksViewModel.HasAnyItemInProgress, Converter={StaticResource BoolNegationConverter}, Mode=OneWay}"
-							Style="{StaticResource App.ThemedIcons.StatusCenter}" />-->
+                        <ThemedIcon
+                            x:Name="StatusCenterIcon"
+                            Width="16"
+                            Height="16"
+                            x:Load="{x:Bind OngoingTasksViewModel.HasAnyItemInProgress, Converter={StaticResource BoolNegationConverter}, Mode=OneWay}"
+                            Style="{StaticResource App.ThemedIcons.StatusCenter}" />-->
 
 					<ProgressRing
 						x:Name="MedianOperationProgressRing"

src/Files.App/UserControls/NavigationToolbar.xaml.cs

@@ -256,19 +256,61 @@ private void ClickablePath_GettingFocus(UIElement sender, GettingFocusEventArgs
 
 		private async void Omnibar_QuerySubmitted(Omnibar sender, OmnibarQuerySubmittedEventArgs args)
 		{
-			await ViewModel.HandleItemNavigationAsync(args.Text);
+			if (Omnibar.CurrentSelectedMode == OmnibarPathMode)
+			{
+				await ViewModel.HandleItemNavigationAsync(args.Text);
+			}
+			else if (Omnibar.CurrentSelectedMode == OmnibarCommandPaletteMode)
+			{
+			}
+			else if (Omnibar.CurrentSelectedMode == OmnibarSearchMode)
+			{
+			}
 		}
 
 		private async void Omnibar_SuggestionChosen(Omnibar sender, OmnibarSuggestionChosenEventArgs args)
 		{
-			if (args.SelectedItem is OmnibarPathModeSuggestionModel item &&
-				!string.IsNullOrEmpty(item.Path))
-				await ViewModel.HandleItemNavigationAsync(item.Path);
+			if (Omnibar.CurrentSelectedMode == OmnibarPathMode)
+			{
+				if (args.SelectedItem is OmnibarPathModeSuggestionModel item &&
+					!string.IsNullOrEmpty(item.Path))
+					await ViewModel.HandleItemNavigationAsync(item.Path);
+			}
+			else if (Omnibar.CurrentSelectedMode == OmnibarCommandPaletteMode)
+			{
+				if (args.SelectedItem is not NavigationBarSuggestionItem item || item.Text is not { } commandText)
+					return;
+
+				var command = Commands[commandText];
+				if (command == Commands.None)
+					await DialogDisplayHelper.ShowDialogAsync(Strings.InvalidCommand.GetLocalizedResource(),
+						string.Format(Strings.InvalidCommandContent.GetLocalizedResource(), commandText));
+				else if (!command.IsExecutable)
+					await DialogDisplayHelper.ShowDialogAsync(Strings.CommandNotExecutable.GetLocalizedResource(),
+						string.Format(Strings.CommandNotExecutableContent.GetLocalizedResource(), command.Code));
+				else
+					await command.ExecuteAsync();
+
+				Omnibar.ChangeMode(OmnibarPathMode);
+			}
+			else if (Omnibar.CurrentSelectedMode == OmnibarSearchMode)
+			{
+			}
 		}
 
 		private async void Omnibar_TextChanged(Omnibar sender, OmnibarTextChangedEventArgs args)
 		{
-			await ViewModel.PopulateOmnibarSuggestionsForPathMode();
+			if (Omnibar.CurrentSelectedMode == OmnibarPathMode)
+			{
+				await ViewModel.PopulateOmnibarSuggestionsForPathMode();
+			}
+			else if (Omnibar.CurrentSelectedMode == OmnibarCommandPaletteMode)
+			{
+				ViewModel.PopulateOmnibarSuggestionsForCommandPaletteMode();
+			}
+			else if (Omnibar.CurrentSelectedMode == OmnibarSearchMode)
+			{
+			}
 		}
 
 		private async void BreadcrumbBar_ItemClicked(Controls.BreadcrumbBar sender, Controls.BreadcrumbBarItemClickedEventArgs args)

src/Files.App/ViewModels/UserControls/NavigationToolbarViewModel.cs

@@ -71,6 +71,8 @@ public sealed partial class NavigationToolbarViewModel : ObservableObject, IAddr
 
 		internal ObservableCollection<OmnibarPathModeSuggestionModel> PathModeSuggestionItems { get; } = [];
 
+		internal ObservableCollection<NavigationBarSuggestionItem> OmnibarCommandPaletteModeSuggestionItems { get; } = [];
+
 		public bool IsSingleItemOverride { get; set; }
 
 		public bool SearchHasFocus { get; private set; }
@@ -218,6 +220,8 @@ public string? PathText
 			}
 		}
 
+		private string? _OmnibarCommandPaletteModeText;
+		public string? OmnibarCommandPaletteModeText { get => _OmnibarCommandPaletteModeText; set => SetProperty(ref _OmnibarCommandPaletteModeText, value); }
 
 		private bool _IsOmnibarFocused;
 		public  bool IsOmnibarFocused
@@ -239,6 +243,8 @@ public  bool IsOmnibarFocused
 								_ = PopulateOmnibarSuggestionsForPathMode();
 								break;
 							case OmnibarPaletteModeName:
+								if (OmnibarCommandPaletteModeSuggestionItems.Count is 0)
+									PopulateOmnibarSuggestionsForCommandPaletteMode();
 								break;
 							case OmnibarSearchModeName:
 								break;
@@ -1126,6 +1132,30 @@ void AddNoResultsItem()
 			}
 		}
 
+		public void PopulateOmnibarSuggestionsForCommandPaletteMode()
+		{
+			OmnibarCommandPaletteModeText ??= string.Empty;
+			OmnibarCommandPaletteModeSuggestionItems.Clear();
+
+			var suggestionItems = Commands.Where(command =>
+				command.IsExecutable &&
+				command.IsAccessibleGlobally &&
+				(command.Description.Contains(OmnibarCommandPaletteModeText, StringComparison.OrdinalIgnoreCase) ||
+				command.Code.ToString().Contains(OmnibarCommandPaletteModeText, StringComparison.OrdinalIgnoreCase)))
+			.Select(command => new NavigationBarSuggestionItem()
+			{
+				ThemedIconStyle = command.Glyph.ToThemedIconStyle(),
+				Glyph = command.Glyph.BaseGlyph,
+				Text = command.Code.ToString(),
+				PrimaryDisplay = command.Description,
+				HotKeys = command.HotKeys,
+				SearchText = OmnibarCommandPaletteModeText,
+			});
+
+			foreach (var item in suggestionItems)
+				OmnibarCommandPaletteModeSuggestionItems.Add(item);
+		}
+
 		[Obsolete("Remove once Omnibar goes out of experimental.")]
 		public async Task SetAddressBarSuggestionsAsync(AutoSuggestBox sender, IShellPage shellpage)
 		{