Merge branch 'master' of http://git.51dayu.com.cn/diamond-cut/SparkClient
sunhonglei
4 months ago
commit
caac05598b
11 changed files with 483 additions and 330 deletions
@ -0,0 +1,300 @@ |
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using System.IO; |
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using System.Windows.Input; |
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using System.Windows.Media; |
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using System.Windows.Media.Imaging; |
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using SparkClient.Model.Common; |
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using SparkClient.Model.Helper; |
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using SparkClient.Model.Services; |
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using SparkClient.Views.Dialog; |
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namespace SparkClient.ViewModel.Grading; |
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public class GradingLoadingVM : BaseViewModel,IDisposable |
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{ |
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private double _progress; |
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private SOCClientService _socClientService; |
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/// <summary> |
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/// 进度 |
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/// </summary> |
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public double Progress |
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{ |
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get => _progress; |
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set |
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{ |
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_progress = value; |
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OnPropertyChanged(nameof(Progress)); |
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} |
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} |
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public ICommand StopCommand { get; } |
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private string _diamondCode; |
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private string _diamnondType; |
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private bool _disposed; |
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private CancellationTokenSource _progressCts; |
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private CancellationTokenSource? _playbackCts; |
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#region 图片播放控制 |
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private PlayStatus _currentStatus = PlayStatus.Stopped; |
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public PlayStatus CurrentStatus |
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{ |
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get => _currentStatus; |
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set |
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{ |
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_currentStatus = value; |
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OnPropertyChanged(nameof(CurrentStatus)); |
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OnPropertyChanged(nameof(ButtonText)); // 状态变更时更新按钮文本 |
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} |
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} |
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public string ButtonText => CurrentStatus switch |
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{ |
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PlayStatus.Playing => "暂停", |
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PlayStatus.Paused => "继续", |
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_ => "重播" // Stopped 状态 |
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}; |
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private CancellationTokenSource _cts; |
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private int _playDelay = 200; // 默认播放速度 |
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public ICommand PlayControlCommand { get; } |
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public ICommand PreviousCommand { get; } |
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public ICommand NextCommand { get; } |
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private int _currentIndex; |
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public int CurrentIndex |
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{ |
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get => _currentIndex; |
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set |
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{ |
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_currentIndex = value; |
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OnPropertyChanged(nameof(CurrentIndex)); |
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UpdateCurrentImage(); |
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} |
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} |
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public string[] ImagePaths { get; set; } |
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public ImageSource CurrentImage { get; private set; } |
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public bool ImageIsEnable { get; private set; } |
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#endregion |
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public GradingLoadingVM(string diamnondType, string diamondCode) |
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{ |
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_diamondCode = diamondCode; |
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_diamnondType = diamnondType; |
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StopCommand = new RelayCommand(Stop); |
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PlayControlCommand = new RelayCommand(async _ => await HandlePlayControl()); |
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PreviousCommand = new RelayCommand(_ => MovePrevious()); |
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NextCommand = new RelayCommand(_ => MoveNext()); |
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ImageIsEnable = false; |
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_progressCts = new CancellationTokenSource(); |
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_playbackCts = new CancellationTokenSource(); |
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} |
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/// <summary> |
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/// 开始检测 |
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/// </summary> |
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public async Task<int> Start() |
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{ |
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//开始显示进度条 |
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//切工仪通讯 拉取图片 延时...5秒 |
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//播放图片 |
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//图片拉取完毕---| |
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// var configValue = ConfigurationHelper.ReadConfigValue("ProgressTime"); |
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// int iProgTime = int.TryParse(configValue, out var result) ? result : 50000; |
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// int stepTime = iProgTime / 97; |
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// |
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// for (int i = 0; i <= 97; i++) |
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// { |
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// _progressCts.Token.ThrowIfCancellationRequested(); |
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// Progress = i; |
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// await Task.Delay(stepTime, _progressCts.Token); |
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// } |
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var progress = RunProgressAsync(_progressCts.Token); |
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_socClientService = new SOCClientService(); |
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var processImage = _socClientService.ProcessImageCollectionAsync(); |
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//通知页面可以播放图片 |
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await processImage; |
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if (!"ok".Equals(processImage.Result.Status)) |
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{ |
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_progressCts.Cancel(); |
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new MessageBox().Show(MultilingualHelper.getString(StatusCodes.GetConstantNameByValue(processImage.Result.Status))); |
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return -1; |
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} |
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LoadImages(processImage.Result.Images); |
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ImageIsEnable = true; |
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await progress; |
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return 0; |
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} |
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private void Stop(object param) |
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{ |
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//询问？停止：忽略 |
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} |
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private async Task RunProgressAsync(CancellationToken token) |
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{ |
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var configValue = ConfigurationHelper.ReadConfigValue("ProgressTime"); |
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int totalDuration = int.TryParse(configValue, out var result) ? result : 50000; |
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int stepTime = totalDuration / 97; |
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// 使用 IProgress 实现线程安全的进度报告 |
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var progress = new Progress<double>(value => |
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{ |
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if (!token.IsCancellationRequested) |
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Progress = value; |
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}); |
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await Task.Run(async () => |
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{ |
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for (int i = 0; i <= 97; i++) |
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{ |
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token.ThrowIfCancellationRequested(); |
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// 报告进度 |
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((IProgress<double>)progress).Report(i); |
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// 使用可取消的延迟 |
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await Task.Delay(stepTime, token); |
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} |
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}, token); |
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} |
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public void Dispose() |
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{ |
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Dispose(true); |
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GC.SuppressFinalize(this); |
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} |
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protected virtual void Dispose(bool disposing) |
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{ |
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if (_disposed) return; |
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if (disposing) |
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{ |
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// 取消所有操作 |
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_progressCts?.Cancel(); |
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_playbackCts?.Cancel(); |
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// 释放托管资源 |
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_progressCts?.Dispose(); |
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_playbackCts?.Dispose(); |
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} |
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_disposed = true; |
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} |
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#region 图片播放处理 |
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public void LoadImages(string folderPath) |
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{ |
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ImagePaths = Directory.GetFiles(folderPath, "*.bmp"); |
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CurrentIndex = 0; |
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CurrentStatus = PlayStatus.Stopped; |
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} |
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public void LoadImages(List<string> folderPath) |
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{ |
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ImagePaths = folderPath.ToArray(); |
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CurrentIndex = 0; |
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CurrentStatus = PlayStatus.Stopped; |
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} |
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private async Task HandlePlayControl() |
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{ |
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switch (CurrentStatus) |
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{ |
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case PlayStatus.Stopped: |
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await StartPlayback(); // 开始或重播 |
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break; |
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case PlayStatus.Playing: |
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PausePlayback(); // 暂停 |
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break; |
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case PlayStatus.Paused: |
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await ResumePlayback();// 继续 |
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break; |
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} |
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} |
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private async Task StartPlayback() |
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{ |
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CurrentStatus = PlayStatus.Playing; |
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_cts = new CancellationTokenSource(); |
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try |
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{ |
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for (CurrentIndex = 0; CurrentIndex < ImagePaths.Length; CurrentIndex++) |
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{ |
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if (_cts.Token.IsCancellationRequested) break; |
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await Task.Delay(_playDelay); |
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} |
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// 播放完成处理 |
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if (CurrentIndex >= ImagePaths.Length) |
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{ |
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CurrentStatus = PlayStatus.Stopped; |
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CurrentIndex = 0; // 重置为初始位置 |
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} |
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} |
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catch (TaskCanceledException) { /* 正常取消处理 */ } |
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} |
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private void PausePlayback() |
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{ |
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_cts?.Cancel(); |
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CurrentStatus = PlayStatus.Paused; |
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} |
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private async Task ResumePlayback() |
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{ |
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CurrentStatus = PlayStatus.Playing; |
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_cts = new CancellationTokenSource(); |
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await StartPlayback(); |
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} |
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private void UpdateCurrentImage() |
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{ |
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if (ImagePaths == null || CurrentIndex < 0 || CurrentIndex >= ImagePaths.Length) |
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return; |
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var bitmap = new BitmapImage(); |
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bitmap.BeginInit(); |
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bitmap.CacheOption = BitmapCacheOption.OnLoad; |
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bitmap.UriSource = new Uri(ImagePaths[CurrentIndex]); |
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bitmap.EndInit(); |
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bitmap.Freeze(); // 确保跨线程安全 |
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CurrentImage = bitmap; |
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OnPropertyChanged(nameof(CurrentImage)); |
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} |
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private void MovePrevious() |
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{ |
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if (CurrentStatus == PlayStatus.Playing) |
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PausePlayback(); |
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CurrentIndex = (CurrentIndex - 1 + ImagePaths.Length) % ImagePaths.Length; |
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} |
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private void MoveNext() |
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{ |
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if (CurrentStatus == PlayStatus.Playing) |
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PausePlayback(); |
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CurrentIndex = (CurrentIndex + 1) % ImagePaths.Length; |
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} |
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#endregion |
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} |
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public enum PlayStatus |
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{ |
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Stopped, // 初始/停止状态 |
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Playing, // 播放中 |
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Paused // 暂停中 |
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} |
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