public void Stop()
{
if (runnerThread != null && runnerThread.IsAlive)
{
if (runnerThread.ThreadState == ThreadState.Suspended)
{
runnerThread.Resume();
}
runnerThread.Abort();
}
runnerThread = null;
if (streamReader != null)
{
streamReader.Close();
}
status = DataProviderStatus.Stopped;
if (Stopped != null)
{
Stopped(this, EventArgs.Empty);
}
}
void ddeClient_Advise(object sender, DdeAdviseEventArgs e)
{
if (isPaused)
{
return;
}
//item is instrument name
//text is 2010/07/15 21:27 1.29012 1.29016
Tick t = new Tick();
t.Instrument = instrument;
string[] parts = e.Text.Split(' ');
t.Time = DateTime.Parse(parts[0] + " " + parts[1]);
t.Bid = double.Parse(parts[2]);
t.Ask = double.Parse(parts[3]);
if (ProcessTick != null)
{
ProcessTick(t);
}
tickLimit--;
if (tickLimit == 0)
{
ddeClient.StopAdvise(instrument.ToString(), 1000);
status = DataProviderStatus.Stopped;
}
}
public void Pause()
{
if (runnerThread != null && runnerThread.IsAlive)
{
runnerThread.Suspend();
status = DataProviderStatus.Paused;
}
}
internal void UpdateDataLoadingStatus(DataProviderStatus status)
{
this.dataStatus = status;
foreach (var listener in this.registeredDataLoadingListeners)
{
listener.OnDataStatusChanged(status);
}
}
public void OnDataStatusChanged(DataProviderStatus status)
{
if (this.busyControl != null && this.Owner.IsBusyIndicatorEnabled)
{
var isBusy = status != DataProviderStatus.Ready && status != DataProviderStatus.RequestingData && status != DataProviderStatus.Faulted;
if (this.busyControl.IsBusy != isBusy)
{
this.busyControl.IsBusy = isBusy;
}
}
this.currentStatus = status;
}
public void Process(int ticks)
{
ThreadTickLimit = ticks;
status = DataProviderStatus.Running;
if (runnerThread != null && runnerThread.IsAlive)
{
runnerThread.Resume();
return;
}
runnerThread = new Thread(new ThreadStart(tickThread));
runnerThread.Start();
}
public void Stop()
{
if (ddeClient != null && ddeClient.IsConnected)
{
ddeClient.Disconnect();
}
if (Stopped != null)
{
Stopped(this, EventArgs.Empty);
}
status = DataProviderStatus.Stopped;
}
public void Process(int ticks)
{
tickLimit = ticks;
status = DataProviderStatus.Running;
if (isPaused)
{
isPaused = false;
}
else
{
ddeClient.StartAdvise(instrument.ToString(), 1, true, 6000);
}
}
internal static DataProviderStatus GetDataProviderStatusFromEngineStatus(DataEngineStatus engineStatus)
{
DataProviderStatus status;
switch (engineStatus)
{
case DataEngineStatus.InProgress:
status = DataProviderStatus.ProcessingData;
break;
case DataEngineStatus.Completed:
status = DataProviderStatus.Ready;
break;
case DataEngineStatus.Faulted:
default:
status = DataProviderStatus.Faulted;
break;
}
return(status);
}
public void OnDataStatusChanged(DataProviderStatus status)
{
if (this.busyControl != null && this.Owner.IsBusyIndicatorEnabled)
{
var isBusy = status != DataProviderStatus.Ready && status != DataProviderStatus.RequestingData && status != DataProviderStatus.Faulted;
if (this.BusyControl.IsBusy != isBusy)
{
this.BusyControl.IsBusy = isBusy;
if (isBusy)
{
this.Owner.HitTestService.Suspend();
}
else
{
this.Owner.HitTestService.Resume();
}
}
}
this.currentStatus = status;
}
void IDataStatusListener.OnDataStatusChanged(DataProviderStatus status)
{
this.IsLoadingData = status == DataProviderStatus.RequestingData;
}
void IGridView.OnDataStatusChanged(DataProviderStatus status)
{
this.visualStateService.UpdateDataLoadingStatus(status);
}
/// <summary>
/// Initializes a new instance of the <see cref="DataProviderStatusChangedEventArgs" /> class.
/// </summary>
/// <param name="newStatus">The new status.</param>
/// <param name="resultsChanges">DataProvider results have changed if set to <c>true</c>.</param>
/// <param name="error">Exception if available .</param>
public DataProviderStatusChangedEventArgs(DataProviderStatus newStatus, bool resultsChanges, Exception error)
{
this.NewStatus = newStatus;
this.ResultsChanged = resultsChanges;
this.Error = error;
}
private void NotifyView(DataProviderStatus status)
{
this.View.UpdateService.DispatchOnUIThread(false, () => this.View.OnDataStatusChanged(status));
}
public void Pause()
{
isPaused = true;
status = DataProviderStatus.Paused;
}
public EMGDataProviderStatusEventArgs(DataProviderStatus statusValue)
: base()
{
status = statusValue;
}
