Feature: Added support for changing groups direction

src/Files.App/BaseLayout.cs

@@ -38,6 +38,7 @@
 using Windows.System;
 using static Files.App.Helpers.PathNormalization;
 using DispatcherQueueTimer = Microsoft.UI.Dispatching.DispatcherQueueTimer;
+using SortDirection = Files.Shared.Enums.SortDirection;
 
 namespace Files.App
 {
@@ -377,6 +378,7 @@ protected override async void OnNavigatedTo(NavigationEventArgs eventArgs)
 			IsItemSelected = false;
 			FolderSettings!.LayoutModeChangeRequested += BaseFolderSettings_LayoutModeChangeRequested;
 			FolderSettings.GroupOptionPreferenceUpdated += FolderSettings_GroupOptionPreferenceUpdated;
+			FolderSettings.GroupDirectionPreferenceUpdated += FolderSettings_GroupDirectionPreferenceUpdated;
 			ParentShellPageInstance.FilesystemViewModel.EmptyTextType = EmptyTextType.None;
 			ParentShellPageInstance.ToolbarViewModel.UpdateSortAndGroupOptions();
 			ParentShellPageInstance.ToolbarViewModel.CanRefresh = true;
@@ -474,7 +476,13 @@ public void SetSelectedItemsOnNavigation()
 
 		private CancellationTokenSource? groupingCancellationToken;
 
-		private async void FolderSettings_GroupOptionPreferenceUpdated(object? sender, GroupOption e)
+		private void FolderSettings_GroupOptionPreferenceUpdated(object? sender, GroupOption e)
+			=> GroupPreferenceUpdated();
+
+		private void FolderSettings_GroupDirectionPreferenceUpdated(object? sender, SortDirection e)
+			=> GroupPreferenceUpdated();
+
+		private async void GroupPreferenceUpdated()
 		{
 			// Two or more of these running at the same time will cause a crash, so cancel the previous one before beginning
 			groupingCancellationToken?.Cancel();
@@ -492,6 +500,7 @@ protected override void OnNavigatingFrom(NavigatingCancelEventArgs e)
 			CharacterReceived -= Page_CharacterReceived;
 			FolderSettings!.LayoutModeChangeRequested -= BaseFolderSettings_LayoutModeChangeRequested;
 			FolderSettings.GroupOptionPreferenceUpdated -= FolderSettings_GroupOptionPreferenceUpdated;
+			FolderSettings.GroupDirectionPreferenceUpdated -= FolderSettings_GroupDirectionPreferenceUpdated;
 			ItemContextMenuFlyout.Opening -= ItemContextFlyout_Opening;
 			BaseContextMenuFlyout.Opening -= BaseContextFlyout_Opening;
 

src/Files.App/Helpers/ContextFlyoutItemHelper.cs

@@ -469,6 +469,40 @@ public static List<ContextMenuFlyoutItemViewModel> GetBaseLayoutMenuItems(Curren
 							ItemType = ItemType.Toggle,
 							ShowItem = currentInstanceViewModel.IsPageTypeLibrary,
 						},
+						new ContextMenuFlyoutItemViewModel()
+						{
+							ItemType = ItemType.Separator,
+							ShowInRecycleBin = true,
+							ShowInSearchPage = true,
+							ShowInFtpPage = true,
+							ShowInZipPage = true,
+						},
+						new ContextMenuFlyoutItemViewModel()
+						{
+							Text = "Ascending".GetLocalizedResource(),
+							IsChecked = currentInstanceViewModel.FolderSettings.DirectoryGroupDirection == SortDirection.Ascending,
+							IsEnabled = currentInstanceViewModel.FolderSettings.DirectoryGroupOption != GroupOption.None,
+							ShowInRecycleBin = true,
+							ShowInSearchPage = true,
+							ShowInFtpPage = true,
+							ShowInZipPage = true,
+							Command = currentInstanceViewModel.FolderSettings.ChangeGroupDirectionCommand,
+							CommandParameter = SortDirection.Ascending,
+							ItemType = ItemType.Toggle,
+						},
+						new ContextMenuFlyoutItemViewModel()
+						{
+							Text = "Descending".GetLocalizedResource(),
+							IsChecked = currentInstanceViewModel.FolderSettings.DirectoryGroupDirection == SortDirection.Descending,
+							IsEnabled = currentInstanceViewModel.FolderSettings.DirectoryGroupOption != GroupOption.None,
+							ShowInRecycleBin = true,
+							ShowInSearchPage = true,
+							ShowInFtpPage = true,
+							ShowInZipPage = true,
+							Command = currentInstanceViewModel.FolderSettings.ChangeGroupDirectionCommand,
+							CommandParameter = SortDirection.Descending,
+							ItemType = ItemType.Toggle,
+						},
 					}
 				},
 				new ContextMenuFlyoutItemViewModel()

src/Files.App/Helpers/ItemListDisplayHelpers/GroupingHelper.cs

@@ -140,12 +140,12 @@ public static (string key, string text, string range, int index) GetGroupSizeInf
 				if (size > sizeGp.size)
 				{
 					var rangeStr = i > 0 ? $"{sizeGp.sizeText} - {sizeGroups[i - 1].sizeText}" : $"{sizeGp.sizeText} +";
-					return (sizeGp.size.ToString(), sizeGp.text, rangeStr, i + 1); //i +1 is so that other groups always show below "unspecified"
+					return (sizeGp.size.ToString(), sizeGp.text, rangeStr, sizeGroups.Length - i);
 				}
 				lastSizeStr = sizeGp.sizeText;
 			}
 
-			return ("0", "ItemSizeText_Tiny".GetLocalizedResource(), $"{"0 B".ConvertSizeAbbreviation()} - {lastSizeStr}", sizeGroups.Length + 1);
+			return ("0", "ItemSizeText_Tiny".GetLocalizedResource(), $"{"0 B".ConvertSizeAbbreviation()} - {lastSizeStr}", 0);
 		}
 
 		public static string GetGroupSizeKey(long size)
@@ -175,4 +175,4 @@ public interface IGroupableItem
 	{
 		public string Key { get; set; }
 	}
-}
+}

src/Files.App/Helpers/LayoutPreferences/LayoutPreferences.cs

@@ -13,6 +13,7 @@ public class LayoutPreferences
 		public SortDirection DirectorySortDirection;
 		public bool SortDirectoriesAlongsideFiles;
 		public GroupOption DirectoryGroupOption;
+		public SortDirection DirectoryGroupDirection;
 		public FolderLayoutModes LayoutMode;
 		public int GridViewSize;
 		public bool IsAdaptiveLayoutOverridden;
@@ -31,6 +32,7 @@ public LayoutPreferences()
 			DirectorySortOption = UserSettingsService.FoldersSettingsService.DefaultSortOption;
 			DirectoryGroupOption = UserSettingsService.FoldersSettingsService.DefaultGroupOption;
 			DirectorySortDirection = UserSettingsService.LayoutSettingsService.DefaultDirectorySortDirection;
+			DirectoryGroupDirection = UserSettingsService.LayoutSettingsService.DefaultDirectoryGroupDirection;
 			SortDirectoriesAlongsideFiles = UserSettingsService.LayoutSettingsService.DefaultSortDirectoriesAlongsideFiles;
 			IsAdaptiveLayoutOverridden = defaultLayout is not FolderLayoutModes.Adaptive;
 
@@ -71,6 +73,7 @@ public override bool Equals(object? obj)
 					prefs.DirectoryGroupOption == DirectoryGroupOption &&
 					prefs.DirectorySortOption == DirectorySortOption &&
 					prefs.DirectorySortDirection == DirectorySortDirection &&
+					prefs.DirectoryGroupDirection == DirectoryGroupDirection &&
 					prefs.SortDirectoriesAlongsideFiles == SortDirectoriesAlongsideFiles &&
 					prefs.IsAdaptiveLayoutOverridden == IsAdaptiveLayoutOverridden &&
 					prefs.ColumnsViewModel.Equals(ColumnsViewModel));
@@ -85,6 +88,7 @@ public override int GetHashCode()
 			hashCode = (hashCode * 397) ^ DirectoryGroupOption.GetHashCode();
 			hashCode = (hashCode * 397) ^ DirectorySortOption.GetHashCode();
 			hashCode = (hashCode * 397) ^ DirectorySortDirection.GetHashCode();
+			hashCode = (hashCode * 397) ^ DirectoryGroupDirection.GetHashCode();
 			hashCode = (hashCode * 397) ^ SortDirectoriesAlongsideFiles.GetHashCode();
 			hashCode = (hashCode * 397) ^ IsAdaptiveLayoutOverridden.GetHashCode();
 			hashCode = (hashCode * 397) ^ ColumnsViewModel.GetHashCode();

src/Files.App/ServicesImplementation/DateTimeFormatter/AbstractDateTimeFormatter.cs

@@ -26,14 +26,14 @@ public ITimeSpanLabel ToTimeSpanLabel(DateTimeOffset offset)
 
 			return 0 switch
 			{
-				_ when now.Date == time.Date => new Label("Today", "\ue184", 0),
-				_ when y.Date == time.Date => new Label("ItemTimeText_Yesterday", "\ue161", 1),
-				_ when diff.Days < 7 && w.Year == time.Year && GetWeekOfYear(w) == GetWeekOfYear(time) => new Label("ItemTimeText_ThisWeek", "\uE162", 2),
-				_ when diff.Days < 14 && w.Year == time.Year && GetWeekOfYear(w) == GetWeekOfYear(time) => new Label("ItemTimeText_LastWeek", "\uE162", 3),
-				_ when now.Year == time.Year && now.Month == time.Month => new Label("ItemTimeText_ThisMonth", "\ue163", 4),
-				_ when now.AddMonths(-1).Year == time.Year && now.AddMonths(-1).Month == time.Month => new Label("ItemTimeText_LastMonth", "\ue163", 5),
-				_ when now.Year == time.Year => new Label("ItemTimeText_ThisYear", "\ue163", 5),
-				_ => new Label("ItemTimeText_Older", "\uEC92", 6),
+				_ when now.Date == time.Date => new Label("Today", "\ue184", 7),
+				_ when y.Date == time.Date => new Label("ItemTimeText_Yesterday", "\ue161", 6),
+				_ when diff.Days < 7 && w.Year == time.Year && GetWeekOfYear(w) == GetWeekOfYear(time) => new Label("ItemTimeText_ThisWeek", "\uE162", 5),
+				_ when diff.Days < 14 && w.Year == time.Year && GetWeekOfYear(w) == GetWeekOfYear(time) => new Label("ItemTimeText_LastWeek", "\uE162", 4),
+				_ when now.Year == time.Year && now.Month == time.Month => new Label("ItemTimeText_ThisMonth", "\ue163", 3),
+				_ when now.AddMonths(-1).Year == time.Year && now.AddMonths(-1).Month == time.Month => new Label("ItemTimeText_LastMonth", "\ue163", 2),
+				_ when now.Year == time.Year => new Label("ItemTimeText_ThisYear", "\ue163", 1),
+				_ => new Label("ItemTimeText_Older", "\uEC92", 0),
 			};
 		}
 

src/Files.App/ServicesImplementation/Settings/LayoutSettingsService.cs

@@ -24,6 +24,12 @@ public SortDirection DefaultDirectorySortDirection
 			set => Set((long)value);
 		}
 
+		public SortDirection DefaultDirectoryGroupDirection
+		{
+			get => (SortDirection)Get((long)SortDirection.Ascending);
+			set => Set((long)value);
+		}
+
 		public bool DefaultSortDirectoriesAlongsideFiles
 		{
 			get => Get(false);

src/Files.App/UserControls/InnerNavigationToolbar.xaml

@@ -493,6 +493,9 @@
 								IsChecked="{x:Bind ViewModel.IsSortedByDateDeleted, Mode=TwoWay}"
 								IsEnabled="{x:Bind ViewModel.InstanceViewModel.IsPageTypeRecycleBin, Mode=OneWay}"
 								Text="{helpers:ResourceString Name=DateDeleted}" />
+							<MenuFlyoutSeparator />
+							<ToggleMenuFlyoutItem IsChecked="{x:Bind ViewModel.IsSortedAscending, Mode=TwoWay}" Text="{helpers:ResourceString Name=Ascending}" />
+							<ToggleMenuFlyoutItem IsChecked="{x:Bind ViewModel.IsSortedDescending, Mode=TwoWay}" Text="{helpers:ResourceString Name=Descending}" />
 						</MenuFlyoutSubItem>
 						<MenuFlyoutSubItem Text="{helpers:ResourceString Name=NavToolbarGroupByRadioButtons/Text}">
 							<ToggleMenuFlyoutItem IsChecked="{x:Bind ViewModel.IsGroupedByNone, Mode=TwoWay}" Text="{helpers:ResourceString Name=None}" />
@@ -518,11 +521,17 @@
 								IsChecked="{x:Bind ViewModel.IsGroupedByFolderPath, Mode=TwoWay}"
 								IsEnabled="{x:Bind ViewModel.InstanceViewModel.IsPageTypeLibrary, Mode=OneWay}"
 								Text="{helpers:ResourceString Name=NavToolbarArrangementOptionFolderPath/Text}" />
+							<MenuFlyoutSeparator />
+							<ToggleMenuFlyoutItem
+								IsChecked="{x:Bind ViewModel.IsGroupedAscending, Mode=TwoWay}"
+								IsEnabled="{x:Bind ViewModel.IsGroupedByNone, Mode=OneWay, Converter={StaticResource BoolNegationConverter}}"
+								Text="{helpers:ResourceString Name=Ascending}" />
+							<ToggleMenuFlyoutItem
+								IsChecked="{x:Bind ViewModel.IsGroupedDescending, Mode=TwoWay}"
+								IsEnabled="{x:Bind ViewModel.IsGroupedByNone, Mode=OneWay, Converter={StaticResource BoolNegationConverter}}"
+								Text="{helpers:ResourceString Name=Descending}" />
 						</MenuFlyoutSubItem>
 						<MenuFlyoutSeparator />
-						<ToggleMenuFlyoutItem IsChecked="{x:Bind ViewModel.IsSortedAscending, Mode=TwoWay}" Text="{helpers:ResourceString Name=Ascending}" />
-						<ToggleMenuFlyoutItem IsChecked="{x:Bind ViewModel.IsSortedDescending, Mode=TwoWay}" Text="{helpers:ResourceString Name=Descending}" />
-						<MenuFlyoutSeparator />
 						<ToggleMenuFlyoutItem IsChecked="{x:Bind ViewModel.AreDirectoriesSortedAlongsideFiles, Mode=TwoWay}" Text="{helpers:ResourceString Name=SettingsListAndSortDirectoriesAlongsideFiles}" />
 					</MenuFlyout>
 				</AppBarButton.Flyout>

src/Files.App/ViewModels/FolderSettingsViewModel.cs

@@ -43,6 +43,7 @@ public FolderSettingsViewModel()
 			ToggleLayoutModeAdaptiveCommand = new RelayCommand(ToggleLayoutModeAdaptive);
 
 			ChangeGroupOptionCommand = new RelayCommand<GroupOption>(ChangeGroupOption);
+			ChangeGroupDirectionCommand = new RelayCommand<SortDirection>(ChangeGroupDirection);
 		}
 		public FolderSettingsViewModel(FolderLayoutModes modeOverride) : this()
 			=> (rootLayoutMode, LayoutPreference.IsAdaptiveLayoutOverridden) = (modeOverride, true);
@@ -215,6 +216,8 @@ public int GridViewSize
 
 		public event EventHandler<SortDirection>? SortDirectionPreferenceUpdated;
 
+		public event EventHandler<SortDirection>? GroupDirectionPreferenceUpdated;
+
 		public event EventHandler<bool>? SortDirectoriesAlongsideFilesPreferenceUpdated;
 
 		public SortOption DirectorySortOption
@@ -258,6 +261,21 @@ public SortDirection DirectorySortDirection
 			}
 		}
 
+		public ICommand ChangeGroupDirectionCommand { get; }
+
+		public SortDirection DirectoryGroupDirection
+		{
+			get => LayoutPreference.DirectoryGroupDirection;
+			set
+			{
+				if (SetProperty(ref LayoutPreference.DirectoryGroupDirection, value, nameof(DirectoryGroupDirection)))
+				{
+					LayoutPreferencesUpdateRequired?.Invoke(this, new LayoutPreferenceEventArgs(LayoutPreference));
+					GroupDirectionPreferenceUpdated?.Invoke(this, DirectoryGroupDirection);
+				}
+			}
+		}
+
 		public bool SortDirectoriesAlongsideFiles
 		{
 			get
@@ -327,6 +345,7 @@ public static void SetLayoutPreferencesForPath(string folderPath, LayoutPreferen
 					userSettingsService.FoldersSettingsService.DefaultGroupOption = prefs.DirectoryGroupOption;
 				}
 				userSettingsService.LayoutSettingsService.DefaultDirectorySortDirection = prefs.DirectorySortDirection;
+				userSettingsService.LayoutSettingsService.DefaultDirectoryGroupDirection = prefs.DirectoryGroupDirection;
 				userSettingsService.LayoutSettingsService.DefaultSortDirectoriesAlongsideFiles = prefs.SortDirectoriesAlongsideFiles;
 
 				userSettingsService.FoldersSettingsService.ShowDateColumn = !prefs.ColumnsViewModel.DateModifiedColumn.UserCollapsed;
@@ -376,7 +395,10 @@ private static LayoutPreferences GetDefaultLayoutPreferences(string folderPath)
 
 			if (folderPath == CommonPaths.DownloadsPath)
 				// Default for downloads folder is to group by date created
-				return new LayoutPreferences() { DirectoryGroupOption = GroupOption.DateCreated };
+				return new LayoutPreferences() {
+					DirectoryGroupOption = GroupOption.DateCreated,
+					DirectoryGroupDirection = SortDirection.Descending
+				};
 			else if (LibraryManager.IsLibraryPath(folderPath))
 				// Default for libraries is to group by folder path
 				return new LayoutPreferences() { DirectoryGroupOption = GroupOption.FolderPath };
@@ -414,6 +436,7 @@ private set
 					OnPropertyChanged(nameof(DirectoryGroupOption));
 					OnPropertyChanged(nameof(DirectorySortOption));
 					OnPropertyChanged(nameof(DirectorySortDirection));
+					OnPropertyChanged(nameof(DirectoryGroupDirection));
 					OnPropertyChanged(nameof(SortDirectoriesAlongsideFiles));
 					OnPropertyChanged(nameof(ColumnsViewModel));
 				}
@@ -498,6 +521,8 @@ public void ToggleLayoutModeAdaptive()
 
 		private void ChangeGroupOption(GroupOption option) => DirectoryGroupOption = option;
 
+		private void ChangeGroupDirection(SortDirection option) => DirectoryGroupDirection = option;
+
 		public void OnDefaultPreferencesChanged(string folderPath, string settingsName)
 		{
 			var prefs = GetLayoutPreferencesForPath(folderPath);

src/Files.App/ViewModels/ItemViewModel.cs

@@ -706,7 +706,22 @@ private void OrderGroups(CancellationToken token = default)
 
 			if (FilesAndFolders.GroupedCollection is null || FilesAndFolders.GroupedCollection.IsSorted)
 				return;
-			FilesAndFolders.GroupedCollection.Order(x => x.OrderBy(y => y.Model.SortIndexOverride).ThenBy(y => y.Model.Text));
+			if (folderSettings.DirectoryGroupDirection == SortDirection.Ascending)
+			{
+				if (folderSettings.DirectoryGroupOption == GroupOption.Size)
+					// Always show file sections below folders
+					FilesAndFolders.GroupedCollection.Order(x => x.OrderBy(y => y.First().PrimaryItemAttribute != StorageItemTypes.Folder).ThenBy(y => y.Model.SortIndexOverride).ThenBy(y => y.Model.Text));
+				else
+					FilesAndFolders.GroupedCollection.Order(x => x.OrderBy(y => y.Model.SortIndexOverride).ThenBy(y => y.Model.Text));
+			}
+			else
+			{
+				if (folderSettings.DirectoryGroupOption == GroupOption.Size)
+					// Always show file sections below folders
+					FilesAndFolders.GroupedCollection.Order(x => x.OrderBy(y => y.First().PrimaryItemAttribute != StorageItemTypes.Folder).ThenByDescending(y => y.Model.SortIndexOverride).ThenByDescending(y => y.Model.Text));
+				else
+					FilesAndFolders.GroupedCollection.Order(x => x.OrderByDescending(y => y.Model.SortIndexOverride).ThenByDescending(y => y.Model.Text));
+			}
 			FilesAndFolders.GroupedCollection.IsSorted = true;
 		}