/// <summary>
/// Action to be executd for calculating indicator
/// </summary>
/// <returns>for future usage. Must be ignored at this time.</returns>
protected override bool TrueAction()
{
// Validate
int iSize = _chartPanel._chartX.RecordCount;
if (iSize == 0)
{
return(false);
}
int paramInt1 = ParamInt(1);
int paramInt2 = ParamInt(2);
int paramInt3 = ParamInt(3);
if (paramInt1 > 500)
{
paramInt1 = 500;
}
if (paramInt2 > 500)
{
paramInt2 = 500;
}
if (paramInt1 < 0)
{
paramInt1 = 0;
}
if (paramInt2 < 0)
{
paramInt2 = 0;
}
if (paramInt3 > 500)
{
paramInt3 = 500;
}
if (paramInt3 < 0)
{
paramInt3 = 0;
}
if (paramInt1 < 1 || paramInt1 > iSize / 2)
{
ProcessError("Invalid Signal Periods for indicator " + FullName, IndicatorErrorType.ShowErrorMessage);
return(false);
}
if (paramInt2 == paramInt3)
{
ProcessError("Signal Periods cannot be the same as Short Cycle", IndicatorErrorType.ShowErrorMessage);
return(false);
}
// Get the data
string paramStr0 = ParamStr(0);
Field pOpen = SeriesToField("Open", paramStr0 + ".open", iSize);
if (!EnsureField(pOpen, paramStr0 + ".open"))
{
return(false);
}
Field pHigh = SeriesToField("High", paramStr0 + ".high", iSize);
if (!EnsureField(pHigh, paramStr0 + ".high"))
{
return(false);
}
Field pLow = SeriesToField("Low", paramStr0 + ".low", iSize);
if (!EnsureField(pLow, paramStr0 + ".low"))
{
return(false);
}
Field pClose = SeriesToField("Close", paramStr0 + ".close", iSize);
if (!EnsureField(pClose, paramStr0 + ".close"))
{
return(false);
}
Navigator pNav = new Navigator();
Recordset pRS = new Recordset();
pRS.AddField(pOpen);
pRS.AddField(pHigh);
pRS.AddField(pLow);
pRS.AddField(pClose);
pNav.Recordset_ = pRS;
// Calculate the indicator
Oscillator ta = new Oscillator();
Recordset pInd = ta.MACD(pNav, pRS, paramInt3, paramInt1, paramInt2, FullName);
// Output the indicator values
Clear();
TwinIndicator sSignal = (TwinIndicator)EnsureSeries(FullName + " Signal");
sSignal.SetStrokeColor(Colors.Blue, false);
sSignal.SetStrokeThickness(StrokeThickness, false);
ForceLinearChart = true;
sSignal.ForceLinearChart = true;
//_title = "MACD";
for (int n = 0; n < iSize; ++n)
{
AppendValue(DM.TS(n), n < paramInt1 ? null : pInd.Value(FullName, n + 1));
sSignal.AppendValue(DM.TS(n), n < paramInt1 + paramInt2 ? null : pInd.Value(FullName + "Signal", n + 1));
}
return(_calculateResult = PostCalculate());
}
