public override void Calculate(SlotTypes slotType)
{
// Reading the parameters
int iPeriod = (int)IndParam.NumParam[0].Value;
double dLevel = IndParam.NumParam[1].Value;
int iPrvs = IndParam.CheckParam[0].Checked ? 1 : 0;
int iFirstBar = iPeriod + iPrvs;
// Calculating Money Flow
double[] adMF = new double[Bars];
for (int iBar = 1; iBar < Bars; iBar++)
{
double dAVG = (High[iBar] + Low[iBar] + Close[iBar]) / 3;
double dAVG1 = (High[iBar - 1] + Low[iBar - 1] + Close[iBar - 1]) / 3;
if (dAVG > dAVG1)
adMF[iBar] = adMF[iBar - 1] + dAVG * Volume[iBar];
else if (dAVG < dAVG1)
adMF[iBar] = adMF[iBar - 1] - dAVG * Volume[iBar];
else
adMF[iBar] = adMF[iBar - 1];
}
// Calculating Money Flow Index
double[] adMFI = new double[Bars];
for (int iBar = iPeriod + 1; iBar < Bars; iBar++)
{
double dPMF = 0;
double dNMF = 0;
for (int index = 0; index < iPeriod; index++)
{
if (adMF[iBar - index] > adMF[iBar - index - 1])
dPMF += adMF[iBar - index] - adMF[iBar - index - 1];
if (adMF[iBar - index] < adMF[iBar - index - 1])
dNMF += adMF[iBar - index - 1] - adMF[iBar - index];
}
if (dNMF == 0)
adMFI[iBar] = 100.0;
else
adMFI[iBar] = 100.0 - (100.0 / (1.0 + (dPMF / dNMF)));
}
// Saving the components
Component = new IndicatorComp[3];
Component[0] = new IndicatorComp();
Component[0].CompName = "Money Flow Index";
Component[0].DataType = IndComponentType.IndicatorValue;
Component[0].ChartType = IndChartType.Line;
Component[0].ChartColor = Color.Blue;
Component[0].FirstBar = iFirstBar;
Component[0].Value = adMFI;
Component[1] = new IndicatorComp();
Component[1].ChartType = IndChartType.NoChart;
Component[1].FirstBar = iFirstBar;
Component[1].Value = new double[Bars];
Component[2] = new IndicatorComp();
Component[2].ChartType = IndChartType.NoChart;
Component[2].FirstBar = iFirstBar;
Component[2].Value = new double[Bars];
// Sets the Component's type
if (slotType == SlotTypes.OpenFilter)
{
Component[1].DataType = IndComponentType.AllowOpenLong;
Component[1].CompName = "Is long entry allowed";
Component[2].DataType = IndComponentType.AllowOpenShort;
Component[2].CompName = "Is short entry allowed";
}
else if (slotType == SlotTypes.CloseFilter)
{
Component[1].DataType = IndComponentType.ForceCloseLong;
Component[1].CompName = "Close out long position";
Component[2].DataType = IndComponentType.ForceCloseShort;
Component[2].CompName = "Close out short position";
}
// Calculation of the logic
IndicatorLogic indLogic = IndicatorLogic.It_does_not_act_as_a_filter;
switch (IndParam.ListParam[0].Text)
{
case "The MFI rises":
indLogic = IndicatorLogic.The_indicator_rises;
SpecialValues = new double[1] { 50 };
break;
case "The MFI falls":
indLogic = IndicatorLogic.The_indicator_falls;
SpecialValues = new double[1] { 50 };
break;
case "The MFI is higher than the Level line":
indLogic = IndicatorLogic.The_indicator_is_higher_than_the_level_line;
SpecialValues = new double[2] { dLevel, 100 - dLevel };
break;
case "The MFI is lower than the Level line":
indLogic = IndicatorLogic.The_indicator_is_lower_than_the_level_line;
SpecialValues = new double[2] { dLevel, 100 - dLevel };
break;
case "The MFI crosses the Level line upward":
indLogic = IndicatorLogic.The_indicator_crosses_the_level_line_upward;
SpecialValues = new double[2] { dLevel, 100 - dLevel };
break;
case "The MFI crosses the Level line downward":
indLogic = IndicatorLogic.The_indicator_crosses_the_level_line_downward;
SpecialValues = new double[2] { dLevel, 100 - dLevel };
break;
case "The MFI changes its direction upward":
indLogic = IndicatorLogic.The_indicator_changes_its_direction_upward;
SpecialValues = new double[1] { 50 };
break;
case "The MFI changes its direction downward":
indLogic = IndicatorLogic.The_indicator_changes_its_direction_downward;
SpecialValues = new double[1] { 50 };
break;
default:
break;
}
OscillatorLogic(iFirstBar, iPrvs, adMFI, dLevel, 100 - dLevel, ref Component[1], ref Component[2], indLogic);
return;
}