protected override void OnStateChange()
{
if (State == State.SetDefaults)
{
Name = "Num Touches";
Buys = new ConcurrentDictionary <double, long>();
BackColor = Brushes.Transparent;
BarColor = Application.Current.TryFindResource("brushVolumeColumnBackground") as Brush;
BuyColor = Brushes.Green;
DefaultWidth = 160;
PreviousWidth = -1;
DisplayText = true;
ForeColor = Application.Current.TryFindResource("brushVolumeColumnForeground") as Brush;
ImmutableBarColor = Application.Current.TryFindResource("immutableBrushVolumeColumnBackground") as Brush;
ImmutableForeColor = Application.Current.TryFindResource("immutableBrushVolumeColumnForeground") as Brush;
IsDataSeriesRequired = true;
LastVolumes = new ConcurrentDictionary <double, long>();
SellColor = Brushes.Red;
Sells = new ConcurrentDictionary <double, long>();
Bidask = VolumeSide.bid;
}
else if (State == State.Configure)
{
if (UiWrapper != null && PresentationSource.FromVisual(UiWrapper) != null)
{
Matrix m = PresentationSource.FromVisual(UiWrapper).CompositionTarget.TransformToDevice;
double dpiFactor = 1 / m.M11;
gridPen = new Pen(Application.Current.TryFindResource("BorderThinBrush") as Brush, 1 * dpiFactor);
halfPenWidth = gridPen.Thickness * 0.5;
}
if (SuperDom.Instrument != null && SuperDom.IsConnected)
{
BarsPeriod bp = new BarsPeriod
{
MarketDataType = MarketDataType.Last,
BarsPeriodType = BarsPeriodType.Tick,
Value = 1
};
SuperDom.Dispatcher.InvokeAsync(() => SuperDom.SetLoadingString());
clearLoadingSent = false;
if (BarsRequest != null)
{
BarsRequest.Update -= OnBarsUpdate;
BarsRequest = null;
}
BarsRequest = new BarsRequest(SuperDom.Instrument,
Cbi.Connection.PlaybackConnection != null ? Cbi.Connection.PlaybackConnection.Now : Core.Globals.Now,
Cbi.Connection.PlaybackConnection != null ? Cbi.Connection.PlaybackConnection.Now : Core.Globals.Now);
BarsRequest.BarsPeriod = bp;
BarsRequest.TradingHours = (TradingHoursData == TradingHours.UseInstrumentSettings || TradingHours.Get(TradingHoursData) == null) ? SuperDom.Instrument.MasterInstrument.TradingHours : TradingHours.Get(TradingHoursData);
BarsRequest.Update += OnBarsUpdate;
BarsRequest.Request((request, errorCode, errorMessage) =>
{
// Make sure this isn't a bars callback from another column instance
if (request != BarsRequest)
{
return;
}
lastMaxIndex = 0;
maxVolume = 0;
totalBuyVolume = 0;
totalLastVolume = 0;
totalSellVolume = 0;
Sells.Clear();
Buys.Clear();
LastVolumes.Clear();
if (State >= NinjaTrader.NinjaScript.State.Terminated)
{
return;
}
if (errorCode == Cbi.ErrorCode.UserAbort)
{
if (State <= NinjaTrader.NinjaScript.State.Terminated)
{
if (SuperDom != null && !clearLoadingSent)
{
SuperDom.Dispatcher.InvokeAsync(() => SuperDom.ClearLoadingString());
clearLoadingSent = true;
}
}
request.Update -= OnBarsUpdate;
request.Dispose();
request = null;
return;
}
if (errorCode != Cbi.ErrorCode.NoError)
{
request.Update -= OnBarsUpdate;
request.Dispose();
request = null;
if (SuperDom != null && !clearLoadingSent)
{
SuperDom.Dispatcher.InvokeAsync(() => SuperDom.ClearLoadingString());
clearLoadingSent = true;
}
}
else if (errorCode == Cbi.ErrorCode.NoError)
{
SessionIterator superDomSessionIt = new SessionIterator(request.Bars);
bool isInclude60 = request.Bars.BarsType.IncludesEndTimeStamp(false);
if (superDomSessionIt.IsInSession(Core.Globals.Now, isInclude60, request.Bars.BarsType.IsIntraday))
{
for (int i = 0; i < request.Bars.Count; i++)
{
DateTime time = request.Bars.BarsSeries.GetTime(i);
if ((isInclude60 && time <= superDomSessionIt.ActualSessionBegin) || (!isInclude60 && time < superDomSessionIt.ActualSessionBegin))
{
continue;
}
double ask = request.Bars.BarsSeries.GetAsk(i);
double bid = request.Bars.BarsSeries.GetBid(i);
double close = request.Bars.BarsSeries.GetClose(i);
long volume = request.Bars.BarsSeries.GetVolume(i);
if (ask != double.MinValue && close >= ask)
{
Buys.AddOrUpdate(close, volume, (price, oldVolume) => oldVolume + volume);
totalBuyVolume += volume;
}
else if (bid != double.MinValue && close <= bid)
{
Sells.AddOrUpdate(close, volume, (price, oldVolume) => oldVolume + volume);
totalSellVolume += volume;
}
long newVolume;
LastVolumes.AddOrUpdate(close, newVolume = volume, (price, oldVolume) => newVolume = 0);
totalLastVolume += volume;
if (newVolume > maxVolume)
{
maxVolume = newVolume;
}
}
lastMaxIndex = request.Bars.Count - 1;
// Repaint the column on the SuperDOM
OnPropertyChanged();
}
if (SuperDom != null && !clearLoadingSent)
{
SuperDom.Dispatcher.InvokeAsync(() => SuperDom.ClearLoadingString());
clearLoadingSent = true;
}
}
});
}
}
else if (State == State.Active)
{
if (!DisplayText)
{
WeakEventManager <System.Windows.Controls.Panel, MouseEventArgs> .AddHandler(UiWrapper, "MouseMove", OnMouseMove);
WeakEventManager <System.Windows.Controls.Panel, MouseEventArgs> .AddHandler(UiWrapper, "MouseEnter", OnMouseEnter);
WeakEventManager <System.Windows.Controls.Panel, MouseEventArgs> .AddHandler(UiWrapper, "MouseLeave", OnMouseLeave);
mouseEventsSubscribed = true;
}
}
else if (State == State.Terminated)
{
if (BarsRequest != null)
{
BarsRequest.Update -= OnBarsUpdate;
BarsRequest.Dispose();
}
BarsRequest = null;
if (SuperDom != null && !clearLoadingSent)
{
SuperDom.Dispatcher.InvokeAsync(() => SuperDom.ClearLoadingString());
clearLoadingSent = true;
}
if (!DisplayText && mouseEventsSubscribed)
{
WeakEventManager <System.Windows.Controls.Panel, MouseEventArgs> .RemoveHandler(UiWrapper, "MouseMove", OnMouseMove);
WeakEventManager <System.Windows.Controls.Panel, MouseEventArgs> .RemoveHandler(UiWrapper, "MouseEnter", OnMouseEnter);
WeakEventManager <System.Windows.Controls.Panel, MouseEventArgs> .RemoveHandler(UiWrapper, "MouseLeave", OnMouseLeave);
mouseEventsSubscribed = false;
}
lastMaxIndex = 0;
maxVolume = 0;
totalBuyVolume = 0;
totalLastVolume = 0;
totalSellVolume = 0;
Sells.Clear();
Buys.Clear();
LastVolumes.Clear();
}
}
private void OnBarsUpdate(object sender, BarsUpdateEventArgs e)
{
if (State == State.Active && SuperDom != null && SuperDom.IsConnected)
{
if (SuperDom.IsReloading)
{
OnPropertyChanged();
return;
}
BarsUpdateEventArgs barsUpdate = e;
lock (barsSync)
{
int currentMaxIndex = barsUpdate.MaxIndex;
for (int i = lastMaxIndex + 1; i <= currentMaxIndex; i++)
{
if (barsUpdate.BarsSeries.GetIsFirstBarOfSession(i))
{
// If a new session starts, clear out the old values and start fresh
maxVolume = 0;
totalBuyVolume = 0;
totalLastVolume = 0;
totalSellVolume = 0;
Sells.Clear();
Buys.Clear();
LastVolumes.Clear();
}
double ask = barsUpdate.BarsSeries.GetAsk(i);
double bid = barsUpdate.BarsSeries.GetBid(i);
double close = barsUpdate.BarsSeries.GetClose(i);
long volume = barsUpdate.BarsSeries.GetVolume(i);
if (ask != double.MinValue && close >= ask)
{
Buys.AddOrUpdate(close, volume, (price, oldVolume) => oldVolume + volume);
totalBuyVolume += volume;
}
else if (bid != double.MinValue && close <= bid)
{
Sells.AddOrUpdate(close, volume, (price, oldVolume) => oldVolume + volume);
totalSellVolume += volume;
}
long newVolume;
LastVolumes.AddOrUpdate(close, newVolume = volume, (price, oldVolume) => newVolume = oldVolume + volume);
totalLastVolume += volume;
if (newVolume > maxVolume)
{
maxVolume = newVolume;
}
}
lastMaxIndex = barsUpdate.MaxIndex;
if (!clearLoadingSent)
{
SuperDom.Dispatcher.InvokeAsync(() => SuperDom.ClearLoadingString());
clearLoadingSent = true;
}
}
}
}