/// <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 size = _chartPanel._chartX.RecordCount;
if (size == 0)
{
return(false);
}
int paramInt1 = ParamInt(1);
if (paramInt1 < 1 || paramInt1 > size / 2)
{
ProcessError("Invalid Periods for indicator " + FullName, IndicatorErrorType.ShowErrorMessage);
return(false);
}
// Get the data
string paramStr0 = ParamStr(0);
Field pOpen = SeriesToField("Open", paramStr0 + ".open", size);
if (!EnsureField(pOpen, paramStr0 + ".open"))
{
return(false);
}
Field pHigh = SeriesToField("High", paramStr0 + ".high", size);
if (!EnsureField(pHigh, paramStr0 + ".high"))
{
return(false);
}
Field pLow = SeriesToField("Low", paramStr0 + ".low", size);
if (!EnsureField(pLow, paramStr0 + ".low"))
{
return(false);
}
Field pClose = SeriesToField("Close", paramStr0 + ".close", size);
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.Aroon(pNav, pRS, paramInt1);
// Output the indicator values
Clear();
TwinIndicator pAroonDown = (TwinIndicator)EnsureSeries(FullName + " Down");
pAroonDown.SetStrokeThickness(StrokeThickness, false);
pAroonDown.SetStrokeColor(Colors.Red, false);
pAroonDown.Clear();
_title = FullName + " Up";
for (int n = 0; n < size; ++n)
{
double?top;
double?bottom;
if (n < paramInt1)
{
top = null;
bottom = null;
}
else
{
top = pInd.Value("Aroon Up", n + 1);
bottom = pInd.Value("Aroon Down", n + 1);
}
AppendValue(DM.GetTimeStampByIndex(n), top);
pAroonDown.AppendValue(DM.GetTimeStampByIndex(n), bottom);
}
return(_calculateResult = PostCalculate());
}