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Original file line number | Diff line number | Diff line change |
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using ReactiveUI; | ||
using ReactiveUI.Fody.Helpers; | ||
using Splat; | ||
using System.Collections.Concurrent; | ||
using System.Diagnostics; | ||
using System.Text.RegularExpressions; | ||
|
||
namespace ServiceLib.ViewModels | ||
{ | ||
public class MsgViewModel : MyReactiveObject | ||
{ | ||
private ConcurrentQueue<string> _queueMsg = new(); | ||
private int _numMaxMsg = 500; | ||
private string _lastMsgFilter = string.Empty; | ||
private bool _lastMsgFilterNotAvailable; | ||
private bool _blLockShow = false; | ||
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[Reactive] | ||
public string MsgFilter { get; set; } | ||
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[Reactive] | ||
public bool AutoRefresh { get; set; } | ||
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public MsgViewModel(Func<EViewAction, object?, Task<bool>>? updateView) | ||
{ | ||
_config = LazyConfig.Instance.Config; | ||
_updateView = updateView; | ||
_noticeHandler = Locator.Current.GetService<NoticeHandler>(); | ||
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MessageBus.Current.Listen<string>(Global.CommandSendMsgView).Subscribe(async x => await AppendQueueMsg(x)); | ||
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MsgFilter = _config.msgUIItem.mainMsgFilter ?? string.Empty; | ||
AutoRefresh = _config.msgUIItem.autoRefresh ?? true; | ||
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this.WhenAnyValue( | ||
x => x.MsgFilter) | ||
.Subscribe(c => _config.msgUIItem.mainMsgFilter = MsgFilter); | ||
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this.WhenAnyValue( | ||
x => x.AutoRefresh, | ||
y => y == true) | ||
.Subscribe(c => { _config.msgUIItem.autoRefresh = AutoRefresh; }); | ||
} | ||
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private async Task AppendQueueMsg(string msg) | ||
{ | ||
//if (msg == Global.CommandClearMsg) | ||
//{ | ||
// ClearMsg(); | ||
// return; | ||
//} | ||
if (AutoRefresh == false) | ||
{ | ||
return; | ||
} | ||
_ = EnqueueQueueMsg(msg); | ||
|
||
if (_blLockShow) | ||
{ | ||
return; | ||
} | ||
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_blLockShow = true; | ||
|
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await Task.Delay(100); | ||
var txt = string.Join("", _queueMsg.ToArray()); | ||
await _updateView?.Invoke(EViewAction.DispatcherShowMsg, txt); | ||
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_blLockShow = false; | ||
} | ||
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private async Task EnqueueQueueMsg(string msg) | ||
{ | ||
//filter msg | ||
if (MsgFilter != _lastMsgFilter) _lastMsgFilterNotAvailable = false; | ||
if (!Utils.IsNullOrEmpty(MsgFilter) && !_lastMsgFilterNotAvailable) | ||
{ | ||
try | ||
{ | ||
if (!Regex.IsMatch(msg, MsgFilter)) | ||
{ | ||
return; | ||
} | ||
} | ||
catch (Exception) | ||
{ | ||
_lastMsgFilterNotAvailable = true; | ||
} | ||
} | ||
_lastMsgFilter = MsgFilter; | ||
|
||
//Enqueue | ||
if (_queueMsg.Count > _numMaxMsg) | ||
{ | ||
for (int k = 0; k < _queueMsg.Count - _numMaxMsg; k++) | ||
{ | ||
_queueMsg.TryDequeue(out _); | ||
} | ||
} | ||
_queueMsg.Enqueue(msg); | ||
if (!msg.EndsWith(Environment.NewLine)) | ||
{ | ||
_queueMsg.Enqueue(Environment.NewLine); | ||
} | ||
} | ||
|
||
public void ClearMsg() | ||
{ | ||
_queueMsg.Clear(); | ||
} | ||
} | ||
} |
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