Initial commit: FluidExplorer：从零实现的 WinUI 3 文件资源管理器替代品（Mica、命令栏、面包屑）

2026-09-19 11:54:03 +08:00
commit 5780fde61a
60 changed files with 15035 additions and 0 deletions
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+using CommunityToolkit.Mvvm.ComponentModel;
+using FluidExplorer.Models;
+using FluidExplorer.Services.Operations;
+
+namespace FluidExplorer.ViewModels;
+
+/// <summary>
+/// 操作队列面板里的一行。作业对象是在后台线程上更新并抛 PropertyChanged 的，
+/// 直接绑定会跨线程更新 UI 而崩溃，因此这里在 UI 线程维护一份快照，由定时器按 250ms 刷新。
+/// </summary>
+public sealed partial class JobRowViewModel : ObservableObject
+{
+    [ObservableProperty] private string _title = string.Empty;
+    [ObservableProperty] private string _stateText = string.Empty;
+    [ObservableProperty] private string _progressText = string.Empty;
+    [ObservableProperty] private string _currentItem = string.Empty;
+    [ObservableProperty] private double _progress;
+    [ObservableProperty] private bool _isIndeterminate;
+    [ObservableProperty] private bool _canPause;
+    [ObservableProperty] private bool _canCancel;
+    [ObservableProperty] private bool _isFinished;
+    [ObservableProperty] private string _pauseGlyph = "\uE769";
+
+    public JobRowViewModel(FileOperationJob job)
+    {
+        Job = job;
+        Refresh();
+    }
+
+    public FileOperationJob Job { get; }
+
+    public void Refresh()
+    {
+        Title = Job.Title;
+        StateText = Job.State switch
+        {
+            JobState.Queued => "排队中",
+            JobState.Running => "进行中",
+            JobState.Paused => "已暂停",
+            JobState.Completed => "已完成",
+            JobState.CompletedWithErrors => "已完成（部分出错）",
+            JobState.Cancelled => "已取消",
+            JobState.Failed => "失败",
+            _ => Job.State.ToString()
+        };
+
+        var parts = new List<string> { $"{Job.CompletedItems:N0} / {Job.TotalItems:N0} 个项目" };
+        if (Job.TotalBytes > 0)
+            parts.Add($"{FileEntry.FormatSize(Job.CompletedBytes)} / {FileEntry.FormatSize(Job.TotalBytes)}");
+        if (Job.BytesPerSecond > 1) parts.Add($"{FileEntry.FormatSize((long)Job.BytesPerSecond)}/s");
+        if (Job.Eta is { } eta && eta.TotalSeconds > 1 && eta.TotalHours < 24) parts.Add($"剩余 {eta:mm\\:ss}");
+        ProgressText = string.Join(" · ", parts);
+
+        CurrentItem = Job.CurrentItem ?? string.Empty;
+        if (!string.IsNullOrEmpty(Job.Error)) CurrentItem = Job.Error!;
+
+        Progress = Job.Progress;
+        IsIndeterminate = Job.IsIndeterminate;
+        CanPause = Job.CanPause;
+        CanCancel = Job.CanCancel;
+        IsFinished = Job.IsFinished;
+        PauseGlyph = Job.State == JobState.Paused ? "\uE768" : "\uE769";
+    }
+}