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BaseLayout.cs
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using Files.Enums;
using Files.EventArguments;
using Files.Events;
using Files.Extensions;
using Files.Filesystem;
using Files.Filesystem.StorageItems;
using Files.Helpers;
using Files.Helpers.ContextFlyouts;
using Files.Interacts;
using Files.UserControls;
using Files.ViewModels;
using Files.ViewModels.Previews;
using Files.Views;
using Microsoft.Toolkit.Uwp;
using Microsoft.Toolkit.Uwp.UI;
using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Threading;
using System.Threading.Tasks;
using Windows.ApplicationModel.DataTransfer;
using Windows.ApplicationModel.DataTransfer.DragDrop;
using Windows.Foundation;
using Windows.Storage;
using Windows.System;
using Windows.UI.Core;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Data;
using Windows.UI.Xaml.Input;
using Windows.UI.Xaml.Navigation;
using static Files.Helpers.PathNormalization;
namespace Files
{
/// <summary>
/// The base class which every layout page must derive from
/// </summary>
public abstract class BaseLayout : Page, IBaseLayout, INotifyPropertyChanged
{
private readonly DispatcherTimer jumpTimer;
protected Task<NamedPipeAsAppServiceConnection> Connection => AppServiceConnectionHelper.Instance;
public SelectedItemsPropertiesViewModel SelectedItemsPropertiesViewModel { get; }
public SettingsViewModel AppSettings => App.AppSettings;
public FolderSettingsViewModel FolderSettings => ParentShellPageInstance.InstanceViewModel.FolderSettings;
public CurrentInstanceViewModel InstanceViewModel => ParentShellPageInstance.InstanceViewModel;
public MainViewModel MainViewModel => App.MainViewModel;
public DirectoryPropertiesViewModel DirectoryPropertiesViewModel { get; }
public Microsoft.UI.Xaml.Controls.CommandBarFlyout ItemContextMenuFlyout { get; set; } = new Microsoft.UI.Xaml.Controls.CommandBarFlyout()
{
AlwaysExpanded = true,
};
public Microsoft.UI.Xaml.Controls.CommandBarFlyout BaseContextMenuFlyout { get; set; } = new Microsoft.UI.Xaml.Controls.CommandBarFlyout();
public BaseLayoutCommandsViewModel CommandsViewModel { get; protected set; }
public IShellPage ParentShellPageInstance { get; private set; } = null;
public PreviewPaneViewModel PreviewPaneViewModel { get; } = new PreviewPaneViewModel();
public bool IsRenamingItem { get; set; } = false;
public ListedItem RenamingItem { get; set; } = null;
public string OldItemName { get; set; } = null;
public TextBlock RenamingTextBlock { get; set; } = null;
private bool isMiddleClickToScrollEnabled = true;
public bool IsMiddleClickToScrollEnabled
{
get => isMiddleClickToScrollEnabled;
set
{
if (isMiddleClickToScrollEnabled != value)
{
isMiddleClickToScrollEnabled = value;
NotifyPropertyChanged(nameof(IsMiddleClickToScrollEnabled));
}
}
}
protected NavigationToolbar NavToolbar => (Window.Current.Content as Frame).FindDescendant<NavigationToolbar>();
private CollectionViewSource collectionViewSource = new CollectionViewSource()
{
IsSourceGrouped = true,
};
public CollectionViewSource CollectionViewSource
{
get => collectionViewSource;
set
{
if (collectionViewSource != value)
{
collectionViewSource = value;
NotifyPropertyChanged(nameof(CollectionViewSource));
}
}
}
private NavigationArguments navigationArguments;
private bool isItemSelected = false;
public bool IsItemSelected
{
get
{
return isItemSelected;
}
internal set
{
if (value != isItemSelected)
{
isItemSelected = value;
NotifyPropertyChanged(nameof(IsItemSelected));
}
}
}
private string jumpString = string.Empty;
public string JumpString
{
get => jumpString;
set
{
// If current string is "a", and the next character typed is "a",
// search for next file that starts with "a" (a.k.a. _jumpString = "a")
if (jumpString.Length == 1 && value == jumpString + jumpString)
{
value = jumpString;
}
if (value != string.Empty)
{
ListedItem jumpedToItem = null;
ListedItem previouslySelectedItem = null;
// Use FilesAndFolders because only displayed entries should be jumped to
IEnumerable<ListedItem> candidateItems = ParentShellPageInstance.FilesystemViewModel.FilesAndFolders.Where(f => f.ItemName.Length >= value.Length && f.ItemName.Substring(0, value.Length).ToLower() == value);
if (IsItemSelected)
{
previouslySelectedItem = SelectedItem;
}
// If the user is trying to cycle through items
// starting with the same letter
if (value.Length == 1 && previouslySelectedItem != null)
{
// Try to select item lexicographically bigger than the previous item
jumpedToItem = candidateItems.FirstOrDefault(f => f.ItemName.CompareTo(previouslySelectedItem.ItemName) > 0);
}
if (jumpedToItem == null)
{
jumpedToItem = candidateItems.FirstOrDefault();
}
if (jumpedToItem != null)
{
ItemManipulationModel.SetSelectedItem(jumpedToItem);
ItemManipulationModel.ScrollIntoView(jumpedToItem);
ItemManipulationModel.FocusSelectedItems();
}
// Restart the timer
jumpTimer.Start();
}
jumpString = value;
}
}
private List<ListedItem> selectedItems = new List<ListedItem>();
public List<ListedItem> SelectedItems
{
get
{
return selectedItems;
}
internal set
{
//if (!(value?.All(x => selectedItems?.Contains(x) ?? false) ?? value == selectedItems)) // check if the new list is different then the old one
if (value != selectedItems) // check if the new list is different then the old one
{
if (value?.FirstOrDefault() != selectedItems?.FirstOrDefault())
{
// update preview pane properties
if (value?.Count == 1)
{
PreviewPaneViewModel.IsItemSelected = true;
PreviewPaneViewModel.SelectedItem = value.First();
}
else
{
PreviewPaneViewModel.IsItemSelected = value?.Count > 0;
PreviewPaneViewModel.SelectedItem = null;
}
// check if the preview pane is open before updating the model
if (((Window.Current.Content as Frame)?.Content as MainPage)?.LoadPreviewPane ?? false)
{
PreviewPaneViewModel.UpdateSelectedItemPreview();
}
}
selectedItems = value;
if (selectedItems.Count == 0 || selectedItems[0] == null)
{
IsItemSelected = false;
SelectedItem = null;
SelectedItemsPropertiesViewModel.IsItemSelected = false;
ResetRenameDoubleClick();
}
else
{
IsItemSelected = true;
SelectedItem = selectedItems.First();
SelectedItemsPropertiesViewModel.IsItemSelected = true;
if (SelectedItems.Count >= 1)
{
SelectedItemsPropertiesViewModel.SelectedItemsCount = SelectedItems.Count;
}
if (SelectedItems.Count == 1)
{
SelectedItemsPropertiesViewModel.SelectedItemsCountString = $"{SelectedItems.Count} {"ItemSelected/Text".GetLocalized()}";
SelectedItemsPropertiesViewModel.ItemSize = SelectedItem.FileSize;
DispatcherQueue.GetForCurrentThread().EnqueueAsync(async () =>
{
await Task.Delay(50); // Tapped event must be executed first
preRenamingItem = SelectedItem;
});
}
else
{
SelectedItemsPropertiesViewModel.SelectedItemsCountString = $"{SelectedItems.Count} {"ItemsSelected/Text".GetLocalized()}";
ResetRenameDoubleClick();
if (SelectedItems.All(x => x.PrimaryItemAttribute == StorageItemTypes.File))
{
long size = 0;
foreach (var item in SelectedItems)
{
size += item.FileSizeBytes;
}
SelectedItemsPropertiesViewModel.ItemSize = ByteSizeLib.ByteSize.FromBytes(size).ToBinaryString().ConvertSizeAbbreviation();
}
else
{
SelectedItemsPropertiesViewModel.ItemSize = string.Empty;
}
}
}
NotifyPropertyChanged(nameof(SelectedItems));
//ItemManipulationModel.SetDragModeForItems();
}
ParentShellPageInstance.NavToolbarViewModel.SelectedItems = value;
}
}
public ListedItem SelectedItem { get; private set; }
private DispatcherQueueTimer dragOverTimer, tapDebounceTimer;
public BaseLayout()
{
ItemManipulationModel = new ItemManipulationModel();
HookBaseEvents();
HookEvents();
jumpTimer = new DispatcherTimer();
jumpTimer.Interval = TimeSpan.FromSeconds(0.8);
jumpTimer.Tick += JumpTimer_Tick;
SelectedItemsPropertiesViewModel = new SelectedItemsPropertiesViewModel();
DirectoryPropertiesViewModel = new DirectoryPropertiesViewModel();
// QuickLook Integration
ApplicationDataContainer localSettings = ApplicationData.Current.LocalSettings;
var isQuickLookIntegrationEnabled = localSettings.Values["quicklook_enabled"];
if (isQuickLookIntegrationEnabled != null && isQuickLookIntegrationEnabled.Equals(true))
{
App.MainViewModel.IsQuickLookEnabled = true;
}
dragOverTimer = DispatcherQueue.GetForCurrentThread().CreateTimer();
tapDebounceTimer = DispatcherQueue.GetForCurrentThread().CreateTimer();
}
protected abstract void HookEvents();
protected abstract void UnhookEvents();
private void HookBaseEvents()
{
ItemManipulationModel.RefreshItemsOpacityInvoked += ItemManipulationModel_RefreshItemsOpacityInvoked;
}
private void UnhookBaseEvents()
{
ItemManipulationModel.RefreshItemsOpacityInvoked -= ItemManipulationModel_RefreshItemsOpacityInvoked;
}
public ItemManipulationModel ItemManipulationModel { get; private set; }
private void JumpTimer_Tick(object sender, object e)
{
jumpString = string.Empty;
jumpTimer.Stop();
}
protected abstract void InitializeCommandsViewModel();
protected IEnumerable<ListedItem> GetAllItems()
{
if (CollectionViewSource.IsSourceGrouped)
{
// add all items from each group to the new list
return (CollectionViewSource.Source as BulkConcurrentObservableCollection<GroupedCollection<ListedItem>>)?.SelectMany(g => g);
}
return CollectionViewSource.Source as IEnumerable<ListedItem>;
}
public virtual void ResetItemOpacity()
{
IEnumerable items = GetAllItems();
if (items == null)
{
return;
}
foreach (ListedItem listedItem in items)
{
if (listedItem.IsHiddenItem)
{
listedItem.Opacity = Constants.UI.DimItemOpacity;
}
else
{
listedItem.Opacity = 1;
}
}
}
protected abstract ListedItem GetItemFromElement(object element);
private void FolderSettings_LayoutModeChangeRequested(object sender, LayoutModeEventArgs e)
{
if (ParentShellPageInstance.SlimContentPage != null)
{
var layoutType = FolderSettings.GetLayoutType(ParentShellPageInstance.FilesystemViewModel.WorkingDirectory, false);
if (layoutType != ParentShellPageInstance.CurrentPageType)
{
FolderSettings.IsLayoutModeChanging = true;
ParentShellPageInstance.NavigateWithArguments(layoutType, new NavigationArguments()
{
NavPathParam = navigationArguments.NavPathParam,
IsSearchResultPage = navigationArguments.IsSearchResultPage,
SearchPathParam = navigationArguments.SearchPathParam,
SearchQuery = navigationArguments.SearchQuery,
SearchUnindexedItems = navigationArguments.SearchUnindexedItems,
IsLayoutSwitch = true,
AssociatedTabInstance = ParentShellPageInstance
});
// Remove old layout from back stack
ParentShellPageInstance.RemoveLastPageFromBackStack();
}
}
}
public event PropertyChangedEventHandler PropertyChanged;
protected void NotifyPropertyChanged([CallerMemberName] string propertyName = "")
{
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
}
protected override async void OnNavigatedTo(NavigationEventArgs eventArgs)
{
base.OnNavigatedTo(eventArgs);
// Add item jumping handler
Window.Current.CoreWindow.CharacterReceived += Page_CharacterReceived;
navigationArguments = (NavigationArguments)eventArgs.Parameter;
ParentShellPageInstance = navigationArguments.AssociatedTabInstance;
InitializeCommandsViewModel();
IsItemSelected = false;
FolderSettings.LayoutModeChangeRequested += FolderSettings_LayoutModeChangeRequested;
FolderSettings.GroupOptionPreferenceUpdated += FolderSettings_GroupOptionPreferenceUpdated;
ParentShellPageInstance.FilesystemViewModel.EmptyTextType = EmptyTextType.None;
FolderSettings.SetLayoutInformation();
if (!navigationArguments.IsSearchResultPage)
{
ParentShellPageInstance.NavToolbarViewModel.CanRefresh = true;
string previousDir = ParentShellPageInstance.FilesystemViewModel.WorkingDirectory;
await ParentShellPageInstance.FilesystemViewModel.SetWorkingDirectoryAsync(navigationArguments.NavPathParam);
// pathRoot will be empty on recycle bin path
var workingDir = ParentShellPageInstance.FilesystemViewModel.WorkingDirectory;
string pathRoot = GetPathRoot(workingDir);
if (string.IsNullOrEmpty(pathRoot) || workingDir.StartsWith(AppSettings.RecycleBinPath)) // Can't go up from recycle bin
{
ParentShellPageInstance.NavToolbarViewModel.CanNavigateToParent = false;
}
else
{
ParentShellPageInstance.NavToolbarViewModel.CanNavigateToParent = true;
}
ParentShellPageInstance.InstanceViewModel.IsPageTypeRecycleBin = workingDir.StartsWith(App.AppSettings.RecycleBinPath);
ParentShellPageInstance.InstanceViewModel.IsPageTypeMtpDevice = workingDir.StartsWith("\\\\?\\");
ParentShellPageInstance.InstanceViewModel.IsPageTypeFtp = FtpHelpers.IsFtpPath(workingDir);
ParentShellPageInstance.InstanceViewModel.IsPageTypeSearchResults = false;
ParentShellPageInstance.NavToolbarViewModel.PathControlDisplayText = navigationArguments.NavPathParam;
if (!navigationArguments.IsLayoutSwitch)
{
ParentShellPageInstance.FilesystemViewModel.RefreshItems(previousDir, SetSelectedItemsOnNavigation);
}
else
{
ParentShellPageInstance.NavToolbarViewModel.CanGoForward = false;
}
}
else
{
ParentShellPageInstance.NavToolbarViewModel.CanRefresh = true;
ParentShellPageInstance.NavToolbarViewModel.CanGoForward = false;
ParentShellPageInstance.NavToolbarViewModel.CanGoBack = true; // Impose no artificial restrictions on back navigation. Even in a search results page.
ParentShellPageInstance.NavToolbarViewModel.CanNavigateToParent = false;
ParentShellPageInstance.InstanceViewModel.IsPageTypeRecycleBin = false;
ParentShellPageInstance.InstanceViewModel.IsPageTypeFtp = false;
ParentShellPageInstance.InstanceViewModel.IsPageTypeMtpDevice = false;
ParentShellPageInstance.InstanceViewModel.IsPageTypeSearchResults = true;
if (!navigationArguments.IsLayoutSwitch)
{
var displayName = App.LibraryManager.TryGetLibrary(navigationArguments.SearchPathParam, out var lib) ? lib.Text : navigationArguments.SearchPathParam;
ParentShellPageInstance.UpdatePathUIToWorkingDirectory(null, string.Format("SearchPagePathBoxOverrideText".GetLocalized(), navigationArguments.SearchQuery, displayName));
var searchInstance = new Filesystem.Search.FolderSearch
{
Query = navigationArguments.SearchQuery,
Folder = navigationArguments.SearchPathParam,
ThumbnailSize = InstanceViewModel.FolderSettings.GetIconSize(),
SearchUnindexedItems = navigationArguments.SearchUnindexedItems
};
_ = ParentShellPageInstance.FilesystemViewModel.SearchAsync(searchInstance);
}
}
ParentShellPageInstance.InstanceViewModel.IsPageTypeNotHome = true; // show controls that were hidden on the home page
ParentShellPageInstance.FilesystemViewModel.UpdateGroupOptions();
UpdateCollectionViewSource();
FolderSettings.IsLayoutModeChanging = false;
ItemManipulationModel.FocusFileList(); // Set focus on layout specific file list control
SetSelectedItemsOnNavigation();
ItemContextMenuFlyout.Opening += ItemContextFlyout_Opening;
BaseContextMenuFlyout.Opening += BaseContextFlyout_Opening;
}
public void SetSelectedItemsOnNavigation()
{
try
{
if (navigationArguments != null && navigationArguments.SelectItems != null && navigationArguments.SelectItems.Any())
{
List<ListedItem> liItemsToSelect = new List<ListedItem>();
foreach (string item in navigationArguments.SelectItems)
{
liItemsToSelect.Add(ParentShellPageInstance.FilesystemViewModel.FilesAndFolders.Where((li) => li.ItemName == item).First());
}
ItemManipulationModel.SetSelectedItems(liItemsToSelect);
ItemManipulationModel.FocusSelectedItems();
}
}
catch (Exception)
{
}
}
private CancellationTokenSource groupingCancellationToken;
private async void FolderSettings_GroupOptionPreferenceUpdated(object sender, GroupOption e)
{
// Two or more of these running at the same time will cause a crash, so cancel the previous one before beginning
groupingCancellationToken?.Cancel();
groupingCancellationToken = new CancellationTokenSource();
var token = groupingCancellationToken.Token;
await ParentShellPageInstance.FilesystemViewModel.GroupOptionsUpdated(token);
UpdateCollectionViewSource();
await ParentShellPageInstance.FilesystemViewModel.ReloadItemGroupHeaderImagesAsync();
}
protected override void OnNavigatingFrom(NavigatingCancelEventArgs e)
{
base.OnNavigatingFrom(e);
// Remove item jumping handler
Window.Current.CoreWindow.CharacterReceived -= Page_CharacterReceived;
FolderSettings.LayoutModeChangeRequested -= FolderSettings_LayoutModeChangeRequested;
FolderSettings.GroupOptionPreferenceUpdated -= FolderSettings_GroupOptionPreferenceUpdated;
ItemContextMenuFlyout.Opening -= ItemContextFlyout_Opening;
BaseContextMenuFlyout.Opening -= BaseContextFlyout_Opening;
var parameter = e.Parameter as NavigationArguments;
if (!parameter.IsLayoutSwitch)
{
ParentShellPageInstance.FilesystemViewModel.CancelLoadAndClearFiles();
}
}
public async void ItemContextFlyout_Opening(object sender, object e)
{
try
{
if (!IsItemSelected) // Workaround for item sometimes not getting selected
{
if (((sender as Microsoft.UI.Xaml.Controls.CommandBarFlyout)?.Target as ListViewItem)?.Content is ListedItem li)
{
ItemManipulationModel.SetSelectedItem(li);
}
}
if (IsItemSelected)
{
await LoadMenuItemsAsync();
}
}
catch (Exception error)
{
Debug.WriteLine(error);
}
}
private CancellationTokenSource shellContextMenuItemCancellationToken;
public async void BaseContextFlyout_Opening(object sender, object e)
{
try
{
if (BaseContextMenuFlyout.GetValue(ContextMenuExtensions.ItemsControlProperty) is ItemsControl itc)
{
itc.MaxHeight = 480; // Reset menu max height
}
shellContextMenuItemCancellationToken?.Cancel();
shellContextMenuItemCancellationToken = new CancellationTokenSource();
var shiftPressed = Window.Current.CoreWindow.GetKeyState(VirtualKey.Shift).HasFlag(CoreVirtualKeyStates.Down);
var items = ContextFlyoutItemHelper.GetBaseContextCommandsWithoutShellItems(connection: await Connection, currentInstanceViewModel: InstanceViewModel, itemViewModel: ParentShellPageInstance.FilesystemViewModel, commandsViewModel: CommandsViewModel, shiftPressed: shiftPressed, false);
BaseContextMenuFlyout.PrimaryCommands.Clear();
BaseContextMenuFlyout.SecondaryCommands.Clear();
var (primaryElements, secondaryElements) = ItemModelListToContextFlyoutHelper.GetAppBarItemsFromModel(items);
primaryElements.Where(i => i is AppBarButton).ForEach(i =>
{
(i as AppBarButton).Click += new RoutedEventHandler((s, e) => BaseContextMenuFlyout.Hide()); // Workaround for WinUI (#5508)
});
primaryElements.ForEach(i => BaseContextMenuFlyout.PrimaryCommands.Add(i));
secondaryElements.OfType<FrameworkElement>().ForEach(i => i.MinWidth = 250); // Set menu min width
secondaryElements.ForEach(i => BaseContextMenuFlyout.SecondaryCommands.Add(i));
if (!InstanceViewModel.IsPageTypeSearchResults)
{
var shellMenuItems = await ContextFlyoutItemHelper.GetBaseContextShellCommandsAsync(connection: await Connection, currentInstanceViewModel: InstanceViewModel, workingDir: ParentShellPageInstance.FilesystemViewModel.WorkingDirectory, shiftPressed: shiftPressed, showOpenMenu: false);
if (shellContextMenuItemCancellationToken.IsCancellationRequested)
{
return;
}
AddShellItemsToMenu(shellMenuItems, BaseContextMenuFlyout, shiftPressed);
}
}
catch (Exception error)
{
Debug.WriteLine(error);
}
}
private async Task LoadMenuItemsAsync()
{
if (ItemContextMenuFlyout.GetValue(ContextMenuExtensions.ItemsControlProperty) is ItemsControl itc)
{
itc.MaxHeight = 480; // Reset menu max height
}
shellContextMenuItemCancellationToken?.Cancel();
shellContextMenuItemCancellationToken = new CancellationTokenSource();
SelectedItemsPropertiesViewModel.CheckFileExtension(SelectedItem?.FileExtension);
var shiftPressed = Window.Current.CoreWindow.GetKeyState(VirtualKey.Shift).HasFlag(CoreVirtualKeyStates.Down);
var items = ContextFlyoutItemHelper.GetItemContextCommandsWithoutShellItems(currentInstanceViewModel: InstanceViewModel, workingDir: ParentShellPageInstance.FilesystemViewModel.WorkingDirectory, selectedItems: SelectedItems, selectedItemsPropertiesViewModel: SelectedItemsPropertiesViewModel, commandsViewModel: CommandsViewModel, shiftPressed: shiftPressed, showOpenMenu: false);
ItemContextMenuFlyout.PrimaryCommands.Clear();
ItemContextMenuFlyout.SecondaryCommands.Clear();
var (primaryElements, secondaryElements) = ItemModelListToContextFlyoutHelper.GetAppBarItemsFromModel(items);
primaryElements.Where(i => i is AppBarButton).ForEach(i =>
{
(i as AppBarButton).Click += new RoutedEventHandler((s, e) => ItemContextMenuFlyout.Hide()); // Workaround for WinUI (#5508)
});
primaryElements.ForEach(i => ItemContextMenuFlyout.PrimaryCommands.Add(i));
secondaryElements.OfType<FrameworkElement>().ForEach(i => i.MinWidth = 250); // Set menu min width
secondaryElements.ForEach(i => ItemContextMenuFlyout.SecondaryCommands.Add(i));
if (AppSettings.AreFileTagsEnabled && !InstanceViewModel.IsPageTypeSearchResults && !InstanceViewModel.IsPageTypeRecycleBin && !InstanceViewModel.IsPageTypeFtp)
{
AddFileTagsItemToMenu(ItemContextMenuFlyout);
}
var shellMenuItems = await ContextFlyoutItemHelper.GetItemContextShellCommandsAsync(connection: await Connection, currentInstanceViewModel: InstanceViewModel, workingDir: ParentShellPageInstance.FilesystemViewModel.WorkingDirectory, selectedItems: SelectedItems, shiftPressed: shiftPressed, showOpenMenu: false);
if (shellContextMenuItemCancellationToken.IsCancellationRequested)
{
return;
}
AddShellItemsToMenu(shellMenuItems, ItemContextMenuFlyout, shiftPressed);
}
private void AddFileTagsItemToMenu(Microsoft.UI.Xaml.Controls.CommandBarFlyout contextMenu)
{
var fileTagMenuFlyout = new MenuFlyoutItemFileTag()
{
ItemsSource = AppSettings.FileTagsSettings.FileTagList,
SelectedItems = SelectedItems
};
var overflowSeparator = contextMenu.SecondaryCommands.FirstOrDefault(x => x is FrameworkElement fe && fe.Tag as string == "OverflowSeparator") as AppBarSeparator;
var index = contextMenu.SecondaryCommands.IndexOf(overflowSeparator);
index = index >= 0 ? index : contextMenu.SecondaryCommands.Count;
contextMenu.SecondaryCommands.Insert(index, new AppBarSeparator());
contextMenu.SecondaryCommands.Insert(index + 1, new AppBarElementContainer()
{
Content = fileTagMenuFlyout
});
}
private void AddShellItemsToMenu(List<ContextMenuFlyoutItemViewModel> shellMenuItems, Microsoft.UI.Xaml.Controls.CommandBarFlyout contextMenuFlyout, bool shiftPressed)
{
var openWithSubItems = ItemModelListToContextFlyoutHelper.GetMenuFlyoutItemsFromModel(ShellContextmenuHelper.GetOpenWithItems(shellMenuItems));
var mainShellMenuItems = shellMenuItems.RemoveFrom(!App.AppSettings.MoveOverflowMenuItemsToSubMenu ? int.MaxValue : shiftPressed ? 6 : 4);
var overflowShellMenuItems = shellMenuItems.Except(mainShellMenuItems).ToList();
var overflowItems = ItemModelListToContextFlyoutHelper.GetMenuFlyoutItemsFromModel(overflowShellMenuItems);
var mainItems = ItemModelListToContextFlyoutHelper.GetAppBarButtonsFromModelIgnorePrimary(mainShellMenuItems);
var openedPopups = Windows.UI.Xaml.Media.VisualTreeHelper.GetOpenPopups(Window.Current);
var secondaryMenu = openedPopups.FirstOrDefault(popup => popup.Name == "OverflowPopup");
var itemsControl = secondaryMenu?.Child.FindDescendant<ItemsControl>();
if (itemsControl is not null)
{
contextMenuFlyout.SetValue(ContextMenuExtensions.ItemsControlProperty, itemsControl);
itemsControl.MaxHeight = Math.Min(480, itemsControl.ActualHeight); // Set menu max height to current height (avoids menu repositioning)
mainItems.OfType<FrameworkElement>().ForEach(x => x.MaxWidth = itemsControl.ActualWidth - 10); // Set items max width to current menu width (#5555)
}
var overflowItem = contextMenuFlyout.SecondaryCommands.FirstOrDefault(x => x is AppBarButton appBarButton && (appBarButton.Tag as string) == "ItemOverflow") as AppBarButton;
if (overflowItem is not null)
{
var overflowItemFlyout = overflowItem.Flyout as MenuFlyout;
if (overflowItemFlyout.Items.Count > 0)
{
overflowItemFlyout.Items.Insert(0, new MenuFlyoutSeparator());
}
var index = contextMenuFlyout.SecondaryCommands.Count - 2;
foreach (var i in mainItems)
{
index++;
contextMenuFlyout.SecondaryCommands.Insert(index, i);
}
index = 0;
foreach (var i in overflowItems)
{
overflowItemFlyout.Items.Insert(index, i);
index++;
}
if (overflowItemFlyout.Items.Count > 0)
{
(contextMenuFlyout.SecondaryCommands.First(x => x is FrameworkElement fe && fe.Tag as string == "OverflowSeparator") as AppBarSeparator).Visibility = Visibility.Visible;
overflowItem.Visibility = Visibility.Visible;
}
}
else
{
mainItems.ForEach(x => contextMenuFlyout.SecondaryCommands.Add(x));
}
// add items to openwith dropdown
var openWithOverflow = contextMenuFlyout.SecondaryCommands.FirstOrDefault(x => x is AppBarButton abb && (abb.Tag as string) == "OpenWithOverflow") as AppBarButton;
if (openWithSubItems is not null && openWithOverflow is not null)
{
var openWith = contextMenuFlyout.SecondaryCommands.FirstOrDefault(x => x is AppBarButton abb && (abb.Tag as string) == "OpenWith") as AppBarButton;
var flyout = openWithOverflow.Flyout as MenuFlyout;
flyout.Items.Clear();
foreach (var item in openWithSubItems)
{
flyout.Items.Add(item);
}
openWithOverflow.Flyout = flyout;
openWith.Visibility = Visibility.Collapsed;
openWithOverflow.Visibility = Visibility.Visible;
}
if (itemsControl is not null)
{
itemsControl.Items.OfType<FrameworkElement>().ForEach(item =>
{
if (item.FindDescendant("OverflowTextLabel") is TextBlock label) // Enable CharacterEllipsis text trimming for menu items
{
label.TextTrimming = TextTrimming.CharacterEllipsis;
}
if ((item as AppBarButton)?.Flyout as MenuFlyout is MenuFlyout flyout) // Close main menu when clicking on subitems (#5508)
{
Action<IList<MenuFlyoutItemBase>> clickAction = null;
clickAction = (items) =>
{
items.OfType<MenuFlyoutItem>().ForEach(i =>
{
i.Click += new RoutedEventHandler((s, e) => contextMenuFlyout.Hide());
});
items.OfType<MenuFlyoutSubItem>().ForEach(i =>
{
clickAction(i.Items);
});
};
clickAction(flyout.Items);
}
});
}
}
protected virtual void Page_CharacterReceived(CoreWindow sender, CharacterReceivedEventArgs args)
{
if (ParentShellPageInstance.IsCurrentInstance)
{
char letter = Convert.ToChar(args.KeyCode);
JumpString += letter.ToString().ToLowerInvariant();
}
}
protected async void FileList_DragItemsStarting(object sender, DragItemsStartingEventArgs e)
{
List<IStorageItem> selectedStorageItems = new List<IStorageItem>();
var result = (FilesystemResult)false;
e.Items.OfType<ListedItem>().ForEach(item => SelectedItems.Add(item));
foreach (var item in e.Items.OfType<ListedItem>())
{
if (item is FtpItem ftpItem)
{
if (item.PrimaryItemAttribute == StorageItemTypes.File)
{
selectedStorageItems.Add(await new FtpStorageFile(ParentShellPageInstance.FilesystemViewModel, ftpItem).ToStorageFileAsync());
}
}
else if (item.PrimaryItemAttribute == StorageItemTypes.File)
{
result = await ParentShellPageInstance.FilesystemViewModel.GetFileFromPathAsync(item.ItemPath)
.OnSuccess(t => selectedStorageItems.Add(t));
if (!result)
{
break;
}
}
else if (item.PrimaryItemAttribute == StorageItemTypes.Folder)
{
result = await ParentShellPageInstance.FilesystemViewModel.GetFolderFromPathAsync(item.ItemPath)
.OnSuccess(t => selectedStorageItems.Add(t));
if (!result)
{
break;
}
}
}
if (result.ErrorCode == FileSystemStatusCode.Unauthorized)
{
var itemList = e.Items.OfType<ListedItem>().Select(x => StorageItemHelpers.FromPathAndType(
x.ItemPath, x.PrimaryItemAttribute == StorageItemTypes.File ? FilesystemItemType.File : FilesystemItemType.Directory));
e.Data.Properties["FileDrop"] = itemList.ToList();
return;
}
if (selectedStorageItems.Count == 1)
{
if (selectedStorageItems[0] is IStorageFile file)
{
var itemExtension = System.IO.Path.GetExtension(file.Name);
if (ImagePreviewViewModel.Extensions.Any((ext) => ext.Equals(itemExtension, StringComparison.OrdinalIgnoreCase)))
{
var streamRef = Windows.Storage.Streams.RandomAccessStreamReference.CreateFromFile(file);
e.Data.SetBitmap(streamRef);
}
}
e.Data.SetStorageItems(selectedStorageItems, false);
}
else if (selectedStorageItems.Count > 1)
{
e.Data.SetStorageItems(selectedStorageItems, false);
}
else
{
e.Cancel = true;
}
}
private ListedItem dragOverItem = null;
private void Item_DragLeave(object sender, DragEventArgs e)
{
ListedItem item = GetItemFromElement(sender);
if (item == dragOverItem)
{
// Reset dragged over item
dragOverItem = null;
}
}
protected async void Item_DragOver(object sender, DragEventArgs e)
{
ListedItem item = GetItemFromElement(sender);
if (item is null)
{
return;
}
var deferral = e.GetDeferral();
ItemManipulationModel.SetSelectedItem(item);
if (dragOverItem != item)
{
dragOverItem = item;
dragOverTimer.Stop();
dragOverTimer.Debounce(() =>
{
if (dragOverItem != null && !dragOverItem.IsExecutable)
{
dragOverItem = null;
dragOverTimer.Stop();
NavigationHelpers.OpenSelectedItems(ParentShellPageInstance, false);
}
}, TimeSpan.FromMilliseconds(1000), false);
}
if (Filesystem.FilesystemHelpers.HasDraggedStorageItems(e.DataView))
{
e.Handled = true;
var (handledByFtp, draggedItems) = await Filesystem.FilesystemHelpers.GetDraggedStorageItems(e.DataView);
if (draggedItems.Any(draggedItem => draggedItem.Path == item.ItemPath))
{
e.AcceptedOperation = DataPackageOperation.None;
}
else if (handledByFtp)
{
e.DragUIOverride.IsCaptionVisible = true;
e.DragUIOverride.Caption = string.Format("CopyToFolderCaptionText".GetLocalized(), item.ItemName);
e.AcceptedOperation = DataPackageOperation.Copy;
}
else if (!draggedItems.Any())
{
e.AcceptedOperation = DataPackageOperation.None;
}
else
{
e.DragUIOverride.IsCaptionVisible = true;
if (item.IsExecutable)
{
e.DragUIOverride.Caption = $"{"OpenItemsWithCaptionText".GetLocalized()} {item.ItemName}";
e.AcceptedOperation = DataPackageOperation.Link;
} // Items from the same drive as this folder are dragged into this folder, so we move the items instead of copy
else if (e.Modifiers.HasFlag(DragDropModifiers.Alt) || e.Modifiers.HasFlag(DragDropModifiers.Control | DragDropModifiers.Shift))
{
e.DragUIOverride.Caption = string.Format("LinkToFolderCaptionText".GetLocalized(), item.ItemName);
e.AcceptedOperation = DataPackageOperation.Link;
}
else if (e.Modifiers.HasFlag(DragDropModifiers.Control))
{
e.DragUIOverride.Caption = string.Format("CopyToFolderCaptionText".GetLocalized(), item.ItemName);
e.AcceptedOperation = DataPackageOperation.Copy;
}
else if (e.Modifiers.HasFlag(DragDropModifiers.Shift))
{
e.DragUIOverride.Caption = string.Format("MoveToFolderCaptionText".GetLocalized(), item.ItemName);
e.AcceptedOperation = DataPackageOperation.Move;
}
else if (draggedItems.AreItemsInSameDrive(item.ItemPath))
{
e.DragUIOverride.Caption = string.Format("MoveToFolderCaptionText".GetLocalized(), item.ItemName);
e.AcceptedOperation = DataPackageOperation.Move;
}
else
{
e.DragUIOverride.Caption = string.Format("CopyToFolderCaptionText".GetLocalized(), item.ItemName);
e.AcceptedOperation = DataPackageOperation.Copy;
}
}
}
deferral.Complete();
}
protected async void Item_Drop(object sender, DragEventArgs e)
{
var deferral = e.GetDeferral();
e.Handled = true;
dragOverItem = null; // Reset dragged over item
ListedItem item = GetItemFromElement(sender);
if (item != null)
{
await ParentShellPageInstance.FilesystemHelpers.PerformOperationTypeAsync(e.AcceptedOperation, e.DataView, (item as ShortcutItem)?.TargetPath ?? item.ItemPath, false, true, item.IsExecutable);
}
deferral.Complete();
}
protected void InitializeDrag(UIElement element)
{
ListedItem item = GetItemFromElement(element);
if (item != null)
{
element.AllowDrop = false;
element.DragOver -= Item_DragOver;
element.DragLeave -= Item_DragLeave;
element.Drop -= Item_Drop;
if (item.PrimaryItemAttribute == StorageItemTypes.Folder || item.IsExecutable)
{
element.AllowDrop = true;
element.DragOver += Item_DragOver;
element.DragLeave += Item_DragLeave;
element.Drop += Item_Drop;
}
}
}
protected void UninitializeDrag(UIElement element)
{
element.AllowDrop = false;
element.DragOver -= Item_DragOver;
element.DragLeave -= Item_DragLeave;
element.Drop -= Item_Drop;
}
// VirtualKey doesn't support / accept plus and minus by default.
public readonly VirtualKey PlusKey = (VirtualKey)187;
public readonly VirtualKey MinusKey = (VirtualKey)189;
public abstract void Dispose();
protected void ItemsLayout_DragOver(object sender, DragEventArgs e)
{
CommandsViewModel?.DragOverCommand?.Execute(e);
}
protected void ItemsLayout_Drop(object sender, DragEventArgs e)
{
CommandsViewModel?.DropCommand?.Execute(e);
}
public void UpdateCollectionViewSource()
{
if (ParentShellPageInstance.FilesystemViewModel.FilesAndFolders.IsGrouped)
{
CollectionViewSource = new CollectionViewSource()
{
IsSourceGrouped = true,
Source = ParentShellPageInstance.FilesystemViewModel.FilesAndFolders.GroupedCollection
};
}
else
{
CollectionViewSource = new CollectionViewSource()
{
IsSourceGrouped = false,
Source = ParentShellPageInstance.FilesystemViewModel.FilesAndFolders