106 lines
2.9 KiB
C#
106 lines
2.9 KiB
C#
using CommunityToolkit.Mvvm.ComponentModel;
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using CommunityToolkit.Mvvm.Input;
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using NLog;
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using SpineViewer.Resources;
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using SpineViewer.Services;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace SpineViewer.ViewModels
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{
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public partial class ProgressDialogViewModel : ObservableObject, IProgressReporter, IDisposable
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{
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private static readonly Logger _logger = LogManager.GetCurrentClassLogger();
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private readonly CancellationTokenSource _cts = new();
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private readonly Task _task;
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public ProgressDialogViewModel(Action<IProgressReporter, CancellationToken> work)
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{
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_task = new(() =>
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{
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try
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{
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work(this, _cts.Token);
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WorkFinished?.Invoke(this, true);
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}
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catch (OperationCanceledException)
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{
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_logger.Info("Work cancelled by user: {0}", _title);
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WorkFinished?.Invoke(this, false);
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}
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catch (Exception ex)
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{
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_logger.Debug(ex.ToString());
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_logger.Error("Failed to finish work: {0}, {1}", _title, ex.Message);
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WorkFinished?.Invoke(this, false);
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}
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});
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}
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public void Start() => _task.Start();
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public event EventHandler<bool>? WorkFinished;
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[ObservableProperty]
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private string _title = "Progress";
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[ObservableProperty]
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private float _total = 100;
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[ObservableProperty]
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private float _done = 0;
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[ObservableProperty]
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private string _progressText = "Working...";
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public RelayCommand Cmd_Cancel => _cmd_Cancel ??= new(Cancel_Execute, Cancel_CanExecute);
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private RelayCommand? _cmd_Cancel;
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private void Cancel_Execute()
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{
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if (!Cancel_CanExecute()) return;
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if (!MessagePopupService.OKCancel(AppResource.Str_CancelQuest)) return;
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_cts.Cancel();
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Cmd_Cancel.NotifyCanExecuteChanged();
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}
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private bool Cancel_CanExecute() => !_cts.IsCancellationRequested;
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#region IDisposable 接口实现
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private bool _disposed = false;
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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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_cts.Dispose();
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_task.Dispose();
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}
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_disposed = true;
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}
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~ProgressDialogViewModel()
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{
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Dispose(false);
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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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if (_disposed)
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{
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GC.SuppressFinalize(this);
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}
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}
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#endregion
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}
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}
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