/// <summary>
/// Called on each bar update event (incoming tick)
/// </summary>
protected override void OnBarUpdate()
{
/// ensure bar has EmProps
if (props is IEmProps)
{
/// get EmProps for the specified bar, matching on OHLCVT
EmProps barProps = props.GetEmProps(Open[0], High[0], Low[0], Close[0], (long)Volume[0], Time[0]) as EmProps;
/// ensure EmProps exist for given bar (note: some historical data may not be available)
if (barProps == null)
{
return;
}
/// update plots
Surge.Set(barProps.Surge);
Tide.Set(barProps.Tide);
ErrorCount.Set(barProps.ErrorCount);
ErrorVolume.Set(barProps.ErrorVolume);
/// update average
TideAvg.Set(EmMath.EMA((double)barProps.Tide, CurrentBar, smooth, CurrentBar == 0 ? Tide[0] : TideAvg[1]));
}
else
{
/// generate log message one time
if (!invalid)
{
Log(String.Format("{0} does not implement interface IEmProps", Bars.BarsType.ToString()), LogLevel.Warning);
invalid = true;
}
}
}
/// <summary>
/// Called on each bar update event (incoming tick)
/// </summary>
protected override void OnBarUpdate()
{
/// ensure bar has EmProps
if (props is IEmProps)
{
/// get EmProps for the specified bar, matching on OHLCVT
EmProps barProps = props.GetEmProps(Open[0], High[0], Low[0], Close[0], (long)Volume[0], Time[0]) as EmProps;
/// ensure EmProps exist for given bar (note: some historical data may not be available)
if (barProps == null)
{
return;
}
/// update plots
BearCount.Set(-barProps.BearCount);
BearVolume.Set(-barProps.BearVolume);
BullCount.Set(barProps.BullCount);
BullVolume.Set(barProps.BullVolume);
ErrorCount.Set(barProps.ErrorCount);
ErrorVolume.Set(barProps.ErrorVolume);
/// draw shading
if (CurrentBar > 0)
{
DrawRegion("EmVolume_Bull_" + CurrentBar.ToString(), 1, 0, BullVolume, BullCount, Color.Transparent, BullColor, BullOpacity);
DrawRegion("EmVolume_Bear_" + CurrentBar.ToString(), 1, 0, BearVolume, BearCount, Color.Transparent, BearColor, BearOpacity);
DrawRegion("EmVolume_Zero_" + CurrentBar.ToString(), 1, 0, BullCount, BearCount, Color.Transparent, ErrorColor, ErrorOpacity);
}
}
else
{
/// generate log message one time
if (!invalid)
{
Log(String.Format("{0} does not implement interface IEmProps", Bars.BarsType.ToString()), LogLevel.Warning);
invalid = true;
}
}
}
void RemovePlots()
{
/// get EmProps for the previous bar
EmProps barProps = props.GetEmProps(Open[1], High[1], Low[1], Close[1], (long)Volume[1], Time[1]) as EmProps;
/// ensure EmProps exist for given bar (note: some historical data may not be available)
if (barProps == null)
{
return;
}
/// remove successful bear line
if (barProps.Close == barProps.BearClose)
{
RemoveDrawObject("ebtClosePlotsBear_" + (CurrentBar - 1).ToString());
}
/// remove successful bull line
if (barProps.Close == barProps.BullClose)
{
RemoveDrawObject("ebtClosePlotsBull_" + (CurrentBar - 1).ToString());
}
}
void DrawPlots()
{
/// get EmProps for the specified bar, matching on OHLCVT
EmProps barProps = props.GetEmProps(Open[0], High[0], Low[0], Close[0], (long)Volume[0], Time[0]) as EmProps;
/// ensure EmProps exist for given bar (note: some historical data may not be available)
if (barProps == null)
{
return;
}
/// update barId so this only fires once per bar
barId = CurrentBar;
/// local variables
double bear = barProps.BearClose;
double bull = barProps.BullClose;
double close = barProps.Close;
/// draw bear close
if (close != bear)
{
DrawLine("ebtClosePlotsBear_" + CurrentBar, true, 0, bear, -1, bear, bearColor, DashStyle.Dash, 2);
}
/// draw bull close
if (close != bull)
{
DrawLine("ebtClosePlotsBull_" + CurrentBar, true, 0, bull, -1, bull, bullColor, DashStyle.Dash, 2);
}
/// add debug to output window
if (showDebug)
{
Print(string.Format("Bar {0} => {1}", CurrentBar, barProps));
}
}
/// <summary>
/// Add EmProps for bar to List
/// </summary>
void AddEmProps(double open, double high, double low, double close, long volume, DateTime time, int bias, double bear, double bull)
{
barProps = new EmProps(open, high, low, close, volume, time, bias, bear, bull);
propList.Add(barProps);
}
/// constructors
public EmBars()
: base(PeriodType.Custom7)
{
barProps = null;
propList = new List <EmProps>();
}