801 lines
33 KiB
C#
801 lines
33 KiB
C#
using System.Collections.Specialized;
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using FluidExplorer.Helpers;
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using FluidExplorer.Models;
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using FluidExplorer.Navigation;
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using FluidExplorer.Services;
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using FluidExplorer.Services.Operations;
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using FluidExplorer.Services.Shell;
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using FluidExplorer.ViewModels;
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using Microsoft.UI.Input;
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using Microsoft.UI.Xaml;
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using Microsoft.UI.Xaml.Controls;
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using Microsoft.UI.Xaml.Controls.Primitives;
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using Microsoft.UI.Xaml.Input;
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using Microsoft.UI.Xaml.Media;
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using Windows.ApplicationModel.DataTransfer;
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using Windows.System;
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using Windows.UI.Core;
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namespace FluidExplorer.Views;
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/// <summary>
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/// 单个浏览窗格的视图：命令栏 + 地址栏 + 内容区 + 状态栏。
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/// 所有交互都委托给 <see cref="ExplorerPaneViewModel"/>，视图本身不碰文件系统。
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/// </summary>
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public sealed partial class ExplorerPaneView : UserControl
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{
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private static IReadOnlyList<string> _draggedPaths = [];
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public ExplorerPaneView()
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{
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InitializeComponent();
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Loaded += OnLoaded;
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Unloaded += OnUnloaded;
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}
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public static readonly DependencyProperty PaneProperty = DependencyProperty.Register(
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nameof(Pane),
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typeof(ExplorerPaneViewModel),
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typeof(ExplorerPaneView),
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new PropertyMetadata(null, OnPaneChanged));
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public ExplorerPaneViewModel? Pane
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{
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get => (ExplorerPaneViewModel?)GetValue(PaneProperty);
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set => SetValue(PaneProperty, value);
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}
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public MainViewModel Main => App.Services.Main;
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private static void OnPaneChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
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{
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var view = (ExplorerPaneView)d;
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if (e.OldValue is ExplorerPaneViewModel old)
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{
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old.PropertyChanged -= view.OnPanePropertyChanged;
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old.RenameRequested -= view.OnRenameRequested;
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old.ScrollIntoViewRequested -= view.OnScrollIntoViewRequested;
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old.FocusSearchRequested -= view.OnFocusSearchRequested;
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old.OpenInNewTabRequested -= view.OnOpenInNewTabRequested;
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}
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if (e.NewValue is ExplorerPaneViewModel pane)
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{
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pane.PropertyChanged += view.OnPanePropertyChanged;
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pane.RenameRequested += view.OnRenameRequested;
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pane.ScrollIntoViewRequested += view.OnScrollIntoViewRequested;
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pane.FocusSearchRequested += view.OnFocusSearchRequested;
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pane.OpenInNewTabRequested += view.OnOpenInNewTabRequested;
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view.ApplyIconSize();
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}
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}
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private void OnLoaded(object sender, RoutedEventArgs e)
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{
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ApplyIconSize();
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UpdateRecycleBinUi();
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ApplySidebarLayout();
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if (Pane is not null) SyncSidebarSelection(Pane.CurrentPath);
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}
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private void OnUnloaded(object sender, RoutedEventArgs e)
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{
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if (Pane is not null) Pane.PropertyChanged -= OnPanePropertyChanged;
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}
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private void OnPanePropertyChanged(object? sender, System.ComponentModel.PropertyChangedEventArgs e)
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{
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switch (e.PropertyName)
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{
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case nameof(ExplorerPaneViewModel.IconSize):
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ApplyIconSize();
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break;
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case nameof(ExplorerPaneViewModel.IsRecycleBin):
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UpdateRecycleBinUi();
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break;
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case nameof(ExplorerPaneViewModel.CurrentPath):
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if (Pane is not null) SyncSidebarSelection(Pane.CurrentPath);
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break;
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case nameof(ExplorerPaneViewModel.ShowSidebar):
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ApplySidebarLayout();
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break;
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}
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}
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private void UpdateRecycleBinUi()
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{
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RestoreButton.Visibility = Pane is { IsRecycleBin: true } ? Visibility.Visible : Visibility.Collapsed;
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HiddenToggle.IsChecked = Pane?.ShowHidden ?? false;
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ExtensionToggle.IsChecked = Main.ShowFileExtensions;
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}
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/// <summary>图标/磁贴尺寸跟随视图方式（网格用 ItemsWrapGrid 的单元格尺寸，避免布局跳动）。</summary>
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private void ApplyIconSize()
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{
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var pane = Pane;
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if (pane is null) return;
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foreach (var item in pane.Items) item.IconSize = Math.Min(pane.IconSize, 96);
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if (IconsGrid.ItemsPanelRoot is ItemsWrapGrid wrap)
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{
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wrap.ItemWidth = pane.TileWidth;
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wrap.ItemHeight = pane.TileHeight;
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}
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if (pane.IsIconsView && pane.Items.Count > 0)
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{
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// 视图切换后重新为可见项请求合适尺寸的缩略图
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foreach (var item in pane.Items.Take(120)) pane.Visuals.RequestThumbnail(item, pane.IconSize);
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}
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}
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// ── 导航窗格（侧边栏） ──────────────────────────────────────────────────
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private bool _sidebarCollapsed;
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private void OnToggleSidebarClick(object sender, RoutedEventArgs e)
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{
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_sidebarCollapsed = !_sidebarCollapsed;
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ApplySidebarLayout();
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}
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private void ApplySidebarLayout()
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{
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var show = Pane?.ShowSidebar != false && !_sidebarCollapsed;
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SidebarHost.Visibility = show ? Visibility.Visible : Visibility.Collapsed;
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SidebarColumn.Width = show ? new GridLength(242) : new GridLength(0);
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}
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private void OnSidebarItemInvoked(TreeView sender, TreeViewItemInvokedEventArgs args)
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{
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if (args.InvokedItem is SidebarNode node && Pane is not null)
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_ = Pane.NavigateAsync(node.Location);
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}
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private void OnSidebarExpanding(TreeView sender, TreeViewExpandingEventArgs args)
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{
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// 子项已在构建侧边栏时填充（驱动器数量少且读取廉价）
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}
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/// <summary>当前路径变化时高亮侧边栏对应节点（对齐资源管理器）。</summary>
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private void SyncSidebarSelection(string path)
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{
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if (string.IsNullOrEmpty(path)) return;
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foreach (var node in EnumerateNodes(SidebarTree.RootNodes))
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{
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if (node.Content is SidebarNode sidebarNode && sidebarNode.Contains(path))
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{
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SidebarTree.SelectedNode = node;
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return;
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}
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}
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}
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private static IEnumerable<TreeViewNode> EnumerateNodes(IEnumerable<TreeViewNode> nodes)
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{
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foreach (var node in nodes)
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{
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yield return node;
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foreach (var child in EnumerateNodes(node.Children)) yield return child;
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}
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}
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// ── 地址栏导航按钮 ──────────────────────────────────────────────────────
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private void OnBackClick(object sender, RoutedEventArgs e) => Pane?.BackCommand.Execute(null);
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private void OnForwardClick(object sender, RoutedEventArgs e) => Pane?.ForwardCommand.Execute(null);
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private void OnUpClick(object sender, RoutedEventArgs e) => Pane?.UpCommand.Execute(null);
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private void OnRefreshClick(object sender, RoutedEventArgs e) => Pane?.RefreshCommand.Execute(null);
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// ── 命令栏 ──────────────────────────────────────────────────────────────
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private void OnNewFolderClick(object sender, RoutedEventArgs e) => Pane?.NewFolderCommand.Execute(null);
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private void OnNewTextFileClick(object sender, RoutedEventArgs e)
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{
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if (Pane is null || Pane.Location.Kind is not (LocationKind.Folder or LocationKind.Drive)) return;
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try
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{
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var path = Path.Combine(Pane.CurrentPath, "新建文本文档.txt");
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var i = 2;
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while (File.Exists(path)) path = Path.Combine(Pane.CurrentPath, $"新建文本文档 ({i++}).txt");
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File.WriteAllText(path, string.Empty);
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_ = Pane.RefreshCommand.ExecuteAsync(null);
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}
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catch (Exception ex)
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{
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Pane.ReportError($"无法新建文件：{ex.Message}");
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}
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}
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private void OnNewTabClick(object sender, RoutedEventArgs e)
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=> Main.AddTab(NavigationLocation.FromPath(Pane?.CurrentPath ?? string.Empty));
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private void OnCutClick(object sender, RoutedEventArgs e) => Pane?.CutSelectedCommand.Execute(SelectedItems());
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private void OnCopyClick(object sender, RoutedEventArgs e) => Pane?.CopySelectedCommand.Execute(SelectedItems());
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private void OnPasteClick(object sender, RoutedEventArgs e) => Pane?.PasteCommand.Execute(null);
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private void OnRenameClick(object sender, RoutedEventArgs e)
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{
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var item = SelectedItems().FirstOrDefault();
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if (item is not null) Pane?.StartRenameCommand.Execute(item);
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}
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private void OnDeleteClick(object sender, RoutedEventArgs e)
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{
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var items = SelectedItems();
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if (items.Count == 0) return;
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var shift = IsKeyDown(VirtualKey.Shift);
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if (shift) Pane?.PermanentDeleteSelectedCommand.Execute(items);
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else Pane?.DeleteSelectedCommand.Execute(items);
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}
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private void OnUndoClick(object sender, RoutedEventArgs e) => Main.UndoCommand.Execute(null);
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private void OnRestoreClick(object sender, RoutedEventArgs e) => Pane?.RestoreSelectedCommand.Execute(SelectedItems());
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private void OnSortClick(object sender, RoutedEventArgs e)
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{
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if (sender is FrameworkElement { Tag: string tag } && Enum.TryParse<SortColumn>(tag, out var column))
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Pane?.SortByCommand.Execute(column);
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}
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private void OnSortDirectionClick(object sender, RoutedEventArgs e)
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{
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if (Pane is null || sender is not FrameworkElement { Tag: string tag }) return;
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Pane.Sort = Pane.Sort with { Direction = tag == "Descending" ? SortDirection.Descending : SortDirection.Ascending };
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Pane.ApplySortAndRefresh();
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}
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private void OnViewModeClick(object sender, RoutedEventArgs e)
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{
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if (sender is FrameworkElement { Tag: string tag }) Pane?.SetViewModeCommand.Execute(tag);
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}
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private void OnCycleViewClick(object sender, RoutedEventArgs e) => Pane?.CycleViewModeCommand.Execute(null);
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private void OnToggleDualPaneClick(object sender, RoutedEventArgs e) => Main.ToggleDualPaneCommand.Execute(null);
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private void OnToggleHiddenClick(object sender, RoutedEventArgs e) => Pane?.ToggleHiddenCommand.Execute(null);
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private void OnToggleExtensionClick(object sender, RoutedEventArgs e) => Main.ShowFileExtensions = !Main.ShowFileExtensions;
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private async void OnShellContextMenuClick(object sender, RoutedEventArgs e)
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{
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var paths = SelectedItems().Select(i => i.FullPath).ToList();
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if (paths.Count == 0)
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{
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var dir = Pane?.CurrentPath;
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if (!string.IsNullOrEmpty(dir) && Directory.Exists(dir)) paths.Add(dir);
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}
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if (paths.Count > 0) await ShowShellContextMenuAsync(paths);
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}
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private async Task ShowShellContextMenuAsync(IReadOnlyList<string> paths)
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{
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if (paths.Count == 0) return;
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var hwnd = WinRT.Interop.WindowNative.GetWindowHandle(App.MainWindowInstance);
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var anchor = DetailsList.TransformToVisual(null).TransformPoint(new Windows.Foundation.Point(48, 48));
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var scale = XamlRoot?.RasterizationScale ?? 1.0;
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var origin = App.MainWindowInstance.AppWindow.Position;
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var screen = new Windows.Graphics.PointInt32(
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origin.X + (int)(anchor.X * scale),
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origin.Y + (int)(anchor.Y * scale));
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await ShellContextMenu.ShowAsync(hwnd, paths, screen);
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}
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// ── 地址栏 ──────────────────────────────────────────────────────────────
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private async void OnBreadcrumbClicked(BreadcrumbBar sender, BreadcrumbBarItemClickedEventArgs args)
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{
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if (args.Item is BreadcrumbSegment segment && Pane is not null)
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await Pane.NavigateAsync(new NavigationLocation(
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segment.IsDriveRoot ? LocationKind.Drive : LocationKind.Folder,
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segment.Path,
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segment.DisplayName,
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"\uE8B7"));
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}
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private void OnAddressEditorKeyDown(object sender, KeyRoutedEventArgs e)
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{
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if (e.Key == VirtualKey.Enter)
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{
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e.Handled = true;
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var text = AddressEditor.Text;
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AddressEditor.Visibility = Visibility.Collapsed;
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AddressBreadcrumb.Visibility = Visibility.Visible;
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_ = Pane?.NavigatePathCommand.ExecuteAsync(text);
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}
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else if (e.Key == VirtualKey.Escape)
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{
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e.Handled = true;
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AddressEditor.Visibility = Visibility.Collapsed;
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AddressBreadcrumb.Visibility = Visibility.Visible;
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}
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}
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private void OnAddressEditorLostFocus(object sender, RoutedEventArgs e)
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{
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AddressEditor.Visibility = Visibility.Collapsed;
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AddressBreadcrumb.Visibility = Visibility.Visible;
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}
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/// <summary>Ctrl+L / F4：切换到可编辑的地址输入（资源管理器行为）。</summary>
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private void BeginAddressEdit()
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{
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AddressEditor.Text = Pane?.CurrentPath ?? string.Empty;
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AddressEditor.Visibility = Visibility.Visible;
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AddressBreadcrumb.Visibility = Visibility.Collapsed;
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AddressEditor.Focus(FocusState.Programmatic);
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AddressEditor.SelectAll();
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}
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// ── 搜索 ────────────────────────────────────────────────────────────────
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private async void OnSearchTextChanged(AutoSuggestBox sender, AutoSuggestBoxTextChangedEventArgs args)
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{
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// SuggestionChosen 是我们自己回填的，不重复搜索；其余变化（含程序化写入、粘贴）都要触发
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if (args.Reason == AutoSuggestionBoxTextChangeReason.SuggestionChosen) return;
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if (Pane is null) return;
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if (!Main.Settings.SearchAsYouType && args.Reason == AutoSuggestionBoxTextChangeReason.UserInput)
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{
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// 关闭"键入即搜"时只在回车/提交时搜索
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return;
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}
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await Pane.SearchAsync(sender.Text);
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// 顶部建议：直接把最快命中的前 8 条塞进下拉框（Everything 式即时反馈）
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var suggestions = Pane.SearchResults.Take(8).Select(r => r.FullPath).ToList();
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sender.ItemsSource = suggestions;
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}
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private async void OnSearchQuerySubmitted(AutoSuggestBox sender, AutoSuggestBoxQuerySubmittedEventArgs args)
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{
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if (Pane is null) return;
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await Pane.SearchAsync(args.QueryText);
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}
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private async void OnSearchSuggestionChosen(AutoSuggestBox sender, AutoSuggestBoxSuggestionChosenEventArgs args)
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{
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if (Pane is null || args.SelectedItem is not string path) return;
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sender.Text = path;
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await Pane.SearchAsync(path);
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}
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private void OnDismissErrorClick(InfoBar sender, object args) => Pane?.DismissError();
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// ── 列表交互 ────────────────────────────────────────────────────────────
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private List<ExplorerItem> SelectedItems()
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=> Pane is null
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? []
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: (Pane.IsDetailsView || Pane.IsIconsView
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? (Pane.IsDetailsView ? DetailsList.SelectedItems : IconsGrid.SelectedItems).OfType<ExplorerItem>().ToList()
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: []);
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private void OnListSelectionChanged(object sender, SelectionChangedEventArgs e)
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{
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if (Pane is null) return;
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var listView = sender as ListViewBase;
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var selected = listView?.SelectedItems.OfType<ExplorerItem>().ToList() ?? [];
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Pane.OnSelectionChanged(selected);
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}
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private void OnDetailsContainerChanging(ListViewBase sender, ContainerContentChangingEventArgs args)
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{
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if (args.InRecycleQueue || args.Item is not ExplorerItem item) return;
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Pane?.Visuals.RequestIcon(item, 16);
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}
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private void OnIconsContainerChanging(ListViewBase sender, ContainerContentChangingEventArgs args)
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{
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if (args.InRecycleQueue || args.Item is not ExplorerItem item || Pane is null) return;
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item.IconSize = Math.Min(Pane.IconSize, 96);
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Pane.Visuals.RequestThumbnail(item, Pane.IconSize);
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}
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private void OnSearchContainerChanging(ListViewBase sender, ContainerContentChangingEventArgs args)
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{
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if (args.InRecycleQueue || args.Item is not SearchResultItem item) return;
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Pane?.Visuals.RequestIcon(item, 16);
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}
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private void OnItemDoubleTapped(object sender, DoubleTappedRoutedEventArgs e)
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{
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if (Pane is null) return;
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var item = ResolveItemAt(e.OriginalSource as DependencyObject);
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if (item is not null) _ = Pane.OpenItemAsync(item);
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}
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private void OnSearchResultDoubleTapped(object sender, DoubleTappedRoutedEventArgs e)
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{
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var item = ResolveSearchItemAt(e.OriginalSource as DependencyObject);
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if (item is not null) _ = Pane!.OpenSearchResultAsync(item);
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}
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private static ExplorerItem? ResolveItemAt(DependencyObject? source)
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{
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while (source is not null)
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{
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if (source is FrameworkElement { DataContext: ExplorerItem item }) return item;
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source = VisualTreeHelper.GetParent(source);
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}
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return null;
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}
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private static SearchResultItem? ResolveSearchItemAt(DependencyObject? source)
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{
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while (source is not null)
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{
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if (source is FrameworkElement { DataContext: SearchResultItem item }) return item;
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source = VisualTreeHelper.GetParent(source);
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}
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return null;
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}
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private void OnListKeyDown(object sender, KeyRoutedEventArgs e)
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{
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if (Pane is null) return;
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var ctrl = IsKeyDown(VirtualKey.Control);
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var shift = IsKeyDown(VirtualKey.Shift);
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switch (e.Key)
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{
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case VirtualKey.Enter when !ctrl:
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e.Handled = true;
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Pane.OpenSelectedCommand.Execute(SelectedItems());
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break;
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case VirtualKey.F2:
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e.Handled = true;
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Pane.StartRenameCommand.Execute(SelectedItems().FirstOrDefault());
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break;
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case VirtualKey.Back when !ctrl:
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e.Handled = true;
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Pane.UpCommand.Execute(null);
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break;
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case VirtualKey.Delete:
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e.Handled = true;
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OnDeleteClick(sender, e);
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break;
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case VirtualKey.F5:
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e.Handled = true;
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Pane.RefreshCommand.Execute(null);
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break;
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case VirtualKey.C when ctrl && shift:
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e.Handled = true;
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Pane.CopyPathSelectedCommand.Execute(SelectedItems());
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break;
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case VirtualKey.C when ctrl:
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e.Handled = true;
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Pane.CopySelectedCommand.Execute(SelectedItems());
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break;
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case VirtualKey.X when ctrl:
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e.Handled = true;
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Pane.CutSelectedCommand.Execute(SelectedItems());
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break;
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case VirtualKey.V when ctrl:
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e.Handled = true;
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Pane.PasteCommand.Execute(null);
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break;
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case VirtualKey.N when ctrl && shift:
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e.Handled = true;
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Pane.NewFolderCommand.Execute(null);
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break;
|
|
case VirtualKey.L when ctrl:
|
|
e.Handled = true;
|
|
BeginAddressEdit();
|
|
break;
|
|
case VirtualKey.Up when IsKeyDown(VirtualKey.Menu):
|
|
e.Handled = true;
|
|
Pane.UpCommand.Execute(null);
|
|
break;
|
|
case VirtualKey.Left when IsKeyDown(VirtualKey.Menu):
|
|
e.Handled = true;
|
|
Pane.BackCommand.Execute(null);
|
|
break;
|
|
case VirtualKey.Right when IsKeyDown(VirtualKey.Menu):
|
|
e.Handled = true;
|
|
Pane.ForwardCommand.Execute(null);
|
|
break;
|
|
}
|
|
}
|
|
|
|
private static bool IsKeyDown(VirtualKey key)
|
|
=> InputKeyboardSource.GetKeyStateForCurrentThread(key).HasFlag(CoreVirtualKeyStates.Down);
|
|
|
|
// ── 重命名输入框 ────────────────────────────────────────────────────────
|
|
private void OnRenameRequested(object? sender, ExplorerItem item)
|
|
{
|
|
DispatcherQueue.TryEnqueue(() => FocusRenameBox(item));
|
|
}
|
|
|
|
private void FocusRenameBox(ExplorerItem item)
|
|
{
|
|
var host = Pane?.IsDetailsView == true ? (DependencyObject)DetailsList : IconsGrid;
|
|
var container = host is ListViewBase list
|
|
? list.ContainerFromItem(item) as DependencyObject
|
|
: null;
|
|
if (container is null) return;
|
|
if (FindRenameBox(container) is { } box)
|
|
{
|
|
box.Focus(FocusState.Programmatic);
|
|
box.SelectAll();
|
|
}
|
|
}
|
|
|
|
private static TextBox? FindRenameBox(DependencyObject root)
|
|
{
|
|
if (root is TextBox { Tag: "rename" } box) return box;
|
|
var count = VisualTreeHelper.GetChildrenCount(root);
|
|
for (var i = 0; i < count; i++)
|
|
{
|
|
var child = VisualTreeHelper.GetChild(root, i);
|
|
if (FindRenameBox(child) is { } found) return found;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
private void OnRenameBoxKeyDown(object sender, KeyRoutedEventArgs e)
|
|
{
|
|
if (sender is not TextBox box || box.DataContext is not ExplorerItem item) return;
|
|
if (e.Key == VirtualKey.Enter)
|
|
{
|
|
e.Handled = true;
|
|
Pane?.CommitRenameCommand.Execute(item);
|
|
}
|
|
else if (e.Key == VirtualKey.Escape)
|
|
{
|
|
e.Handled = true;
|
|
Pane?.CancelRenameCommand.Execute(item);
|
|
}
|
|
}
|
|
|
|
private void OnRenameBoxLostFocus(object sender, RoutedEventArgs e)
|
|
{
|
|
if (sender is TextBox { DataContext: ExplorerItem item } && item.IsRenaming)
|
|
Pane?.CommitRenameCommand.Execute(item);
|
|
}
|
|
|
|
private void OnScrollIntoViewRequested(object? sender, ExplorerItem item)
|
|
{
|
|
if (Pane?.IsDetailsView == true) DetailsList.ScrollIntoView(item);
|
|
else IconsGrid.ScrollIntoView(item);
|
|
}
|
|
|
|
private void OnFocusSearchRequested(object? sender, EventArgs e)
|
|
{
|
|
SearchBox.Focus(FocusState.Programmatic);
|
|
}
|
|
|
|
private void OnOpenInNewTabRequested(object? sender, NavigationLocation location)
|
|
{
|
|
Main.AddTab(location);
|
|
}
|
|
|
|
// ── 右键菜单（应用内 + 系统原版） ───────────────────────────────────────
|
|
private void OnContextRequested(UIElement sender, ContextRequestedEventArgs args)
|
|
{
|
|
if (Pane is null || sender is not FrameworkElement target) return;
|
|
var selected = SelectedItems();
|
|
var flyout = BuildContextFlyout(selected);
|
|
if (args.TryGetPosition(sender, out var position)) flyout.ShowAt(target, new FlyoutShowOptions { Position = position });
|
|
else flyout.ShowAt(target);
|
|
args.Handled = true;
|
|
}
|
|
|
|
private void OnSearchResultContextRequested(UIElement sender, ContextRequestedEventArgs args)
|
|
{
|
|
if (sender is not FrameworkElement target) return;
|
|
var flyout = new MenuFlyout();
|
|
var openItem = new MenuFlyoutItem { Text = "打开" };
|
|
openItem.Click += (_, _) => _ = Pane?.OpenSearchResultCommand.ExecuteAsync(SingleSearchResult(sender));
|
|
var openFolder = new MenuFlyoutItem { Text = "打开所在文件夹" };
|
|
openFolder.Click += (_, _) => _ = Pane?.OpenSearchResultFolderCommand.ExecuteAsync(SingleSearchResult(sender));
|
|
var copyPath = new MenuFlyoutItem { Text = "复制完整路径" };
|
|
copyPath.Click += (_, _) =>
|
|
{
|
|
var item = SingleSearchResult(sender);
|
|
if (item is null) return;
|
|
var package = new DataPackage();
|
|
package.SetText(item.FullPath);
|
|
Clipboard.SetContent(package);
|
|
};
|
|
flyout.Items.Add(openItem);
|
|
flyout.Items.Add(openFolder);
|
|
flyout.Items.Add(copyPath);
|
|
if (args.TryGetPosition(sender, out var position)) flyout.ShowAt(target, new FlyoutShowOptions { Position = position });
|
|
else flyout.ShowAt(target);
|
|
args.Handled = true;
|
|
|
|
SearchResultItem? SingleSearchResult(UIElement element)
|
|
=> (element as ListViewBase)?.SelectedItems.OfType<SearchResultItem>().FirstOrDefault();
|
|
}
|
|
|
|
private MenuFlyout BuildContextFlyout(IReadOnlyList<ExplorerItem> selection)
|
|
{
|
|
var flyout = new MenuFlyout();
|
|
|
|
if (selection.Count > 0)
|
|
{
|
|
var open = new MenuFlyoutItem { Text = "打开", Icon = new FontIcon { Glyph = "\uE8E5" } };
|
|
open.Click += (_, _) => Pane?.OpenSelectedCommand.Execute(selection);
|
|
flyout.Items.Add(open);
|
|
|
|
if (selection.Count == 1 && !selection[0].IsDirectory)
|
|
{
|
|
var openWith = new MenuFlyoutItem { Text = "打开方式" };
|
|
openWith.Click += (_, _) => Pane?.OpenWithSelectedCommand.Execute(selection);
|
|
flyout.Items.Add(openWith);
|
|
}
|
|
|
|
if (selection.Count == 1 && selection[0].IsDirectory)
|
|
{
|
|
var newTab = new MenuFlyoutItem { Text = "在新标签页中打开" };
|
|
newTab.Click += (_, _) => Pane?.OpenInNewTabCommand.Execute(selection[0]);
|
|
flyout.Items.Add(newTab);
|
|
}
|
|
|
|
flyout.Items.Add(new MenuFlyoutSeparator());
|
|
|
|
var cut = new MenuFlyoutItem { Text = "剪切", Icon = new FontIcon { Glyph = "\uE8C6" } };
|
|
cut.Click += (_, _) => Pane?.CutSelectedCommand.Execute(selection);
|
|
var copy = new MenuFlyoutItem { Text = "复制", Icon = new FontIcon { Glyph = "\uE8C8" } };
|
|
copy.Click += (_, _) => Pane?.CopySelectedCommand.Execute(selection);
|
|
var copyPath = new MenuFlyoutItem { Text = "复制完整路径" };
|
|
copyPath.Click += (_, _) => Pane?.CopyPathSelectedCommand.Execute(selection);
|
|
var rename = new MenuFlyoutItem { Text = "重命名", Icon = new FontIcon { Glyph = "\uE8AC" } };
|
|
rename.Click += (_, _) => Pane?.StartRenameCommand.Execute(selection[0]);
|
|
var delete = new MenuFlyoutItem { Text = "删除", Icon = new FontIcon { Glyph = "\uE74D" } };
|
|
delete.Click += (_, _) => Pane?.DeleteSelectedCommand.Execute(selection);
|
|
|
|
flyout.Items.Add(cut);
|
|
flyout.Items.Add(copy);
|
|
flyout.Items.Add(copyPath);
|
|
flyout.Items.Add(rename);
|
|
flyout.Items.Add(delete);
|
|
|
|
if (Pane is { IsRecycleBin: true })
|
|
{
|
|
var restore = new MenuFlyoutItem { Text = "还原" };
|
|
restore.Click += (_, _) => Pane?.RestoreSelectedCommand.Execute(selection);
|
|
flyout.Items.Add(restore);
|
|
}
|
|
|
|
flyout.Items.Add(new MenuFlyoutSeparator());
|
|
|
|
var properties = new MenuFlyoutItem { Text = "属性", Icon = new FontIcon { Glyph = "\uE946" } };
|
|
properties.Click += (_, _) => Pane?.ShowPropertiesSelectedCommand.Execute(selection);
|
|
var reveal = new MenuFlyoutItem { Text = "在资源管理器中显示" };
|
|
reveal.Click += (_, _) => Pane?.RevealSelectedCommand.Execute(selection);
|
|
flyout.Items.Add(properties);
|
|
flyout.Items.Add(reveal);
|
|
}
|
|
else
|
|
{
|
|
var refresh = new MenuFlyoutItem { Text = "刷新", Icon = new FontIcon { Glyph = "\uE72C" } };
|
|
refresh.Click += (_, _) => Pane?.RefreshCommand.Execute(null);
|
|
var newFolder = new MenuFlyoutItem { Text = "新建文件夹", Icon = new FontIcon { Glyph = "\uE8B7" } };
|
|
newFolder.Click += (_, _) => Pane?.NewFolderCommand.Execute(null);
|
|
var paste = new MenuFlyoutItem { Text = "粘贴", Icon = new FontIcon { Glyph = "\uE77F" } };
|
|
paste.Click += (_, _) => Pane?.PasteCommand.Execute(null);
|
|
flyout.Items.Add(refresh);
|
|
flyout.Items.Add(newFolder);
|
|
flyout.Items.Add(paste);
|
|
}
|
|
|
|
flyout.Items.Add(new MenuFlyoutSeparator());
|
|
var showMore = new MenuFlyoutItem { Text = "显示更多选项（系统菜单）" };
|
|
showMore.Click += async (_, _) => await ShowShellContextMenuAsync(
|
|
selection.Count > 0
|
|
? selection.Select(i => i.FullPath).ToList()
|
|
: (Pane?.CurrentPath is { Length: > 0 } p && Directory.Exists(p) ? [p] : []));
|
|
flyout.Items.Add(showMore);
|
|
|
|
return flyout;
|
|
}
|
|
|
|
// ── 拖放 ────────────────────────────────────────────────────────────────
|
|
private void OnDragItemsStarting(object sender, DragItemsStartingEventArgs e)
|
|
{
|
|
var items = e.Items.OfType<ExplorerItem>().ToList();
|
|
var paths = items.Select(i => i.FullPath).ToList();
|
|
_draggedPaths = paths;
|
|
e.Data.RequestedOperation = DataPackageOperation.Copy | DataPackageOperation.Move;
|
|
|
|
e.Data.SetDataProvider(StandardDataFormats.StorageItems, async request =>
|
|
{
|
|
var deferral = request.GetDeferral();
|
|
try
|
|
{
|
|
var storageItems = new List<Windows.Storage.IStorageItem>();
|
|
foreach (var path in paths)
|
|
{
|
|
try
|
|
{
|
|
if (Directory.Exists(path))
|
|
storageItems.Add(await Windows.Storage.StorageFolder.GetFolderFromPathAsync(path));
|
|
else if (File.Exists(path))
|
|
storageItems.Add(await Windows.Storage.StorageFile.GetFileFromPathAsync(path));
|
|
}
|
|
catch
|
|
{
|
|
// 单个项目不可用时跳过，不阻断整次拖放
|
|
}
|
|
}
|
|
request.SetData(storageItems);
|
|
}
|
|
finally
|
|
{
|
|
deferral.Complete();
|
|
}
|
|
});
|
|
}
|
|
|
|
private void OnDragOver(object sender, DragEventArgs e)
|
|
{
|
|
if (!e.DataView.Contains(StandardDataFormats.StorageItems)) return;
|
|
var copy = IsKeyDown(VirtualKey.Control);
|
|
e.AcceptedOperation = copy ? DataPackageOperation.Copy : DataPackageOperation.Move;
|
|
e.DragUIOverride.Caption = copy ? $"复制到“{Pane?.Title}”" : $"移动到“{Pane?.Title}”";
|
|
e.DragUIOverride.IsCaptionVisible = true;
|
|
}
|
|
|
|
private async void OnDrop(object sender, DragEventArgs e)
|
|
{
|
|
if (Pane is null || !e.DataView.Contains(StandardDataFormats.StorageItems)) return;
|
|
var deferral = e.GetDeferral();
|
|
try
|
|
{
|
|
var target = ResolveDropTarget(e);
|
|
var pathCopy = IsKeyDown(VirtualKey.Control);
|
|
|
|
// 优先使用应用内拖动的路径（避免 StorageItem 往返），否则从数据包读取
|
|
var paths = _draggedPaths.Count > 0
|
|
? _draggedPaths.ToList()
|
|
: (await e.DataView.GetStorageItemsAsync()).Select(i => i.Path).ToList();
|
|
|
|
await Pane.DropIntoAsync(paths, target, pathCopy);
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Pane.ReportError($"拖放失败：{ex.Message}");
|
|
}
|
|
finally
|
|
{
|
|
deferral.Complete();
|
|
}
|
|
}
|
|
|
|
/// <summary>拖到文件夹行上 → 放进该文件夹；拖到空白处 → 放进当前文件夹。</summary>
|
|
private string ResolveDropTarget(DragEventArgs e)
|
|
{
|
|
var dropPoint = e.GetPosition(DetailsList);
|
|
var elements = VisualTreeHelper.FindElementsInHostCoordinates(dropPoint, DetailsList);
|
|
foreach (var element in elements)
|
|
{
|
|
if (element is FrameworkElement { DataContext: ExplorerItem { IsDirectory: true } folder })
|
|
return folder.FullPath;
|
|
}
|
|
return Pane?.CurrentPath ?? string.Empty;
|
|
}
|
|
|
|
// ── 状态栏 ──────────────────────────────────────────────────────────────
|
|
private void OnIndexChipTapped(object sender, TappedRoutedEventArgs e)
|
|
{
|
|
if (Main.IndexNeedsElevation) Main.RestartElevatedCommand.Execute(null);
|
|
else Main.BuildIndexCommand.Execute(null);
|
|
}
|
|
|
|
private void OnOpenQueueClick(object sender, RoutedEventArgs e)
|
|
{
|
|
Main.IsQueueExpanded = true;
|
|
App.MainWindowInstance.ShowOperationQueue();
|
|
}
|
|
|
|
private async void OnOpenSettingsClick(object sender, RoutedEventArgs e)
|
|
{
|
|
var dialog = new SettingsDialog(Main) { XamlRoot = XamlRoot };
|
|
await dialog.ShowAsync();
|
|
}
|
|
}
|