// Previous Bar Opening Indicator
// Last changed on 2009-05-05
// Part of Forex Strategy Builder & Forex Strategy Trader
// Website http://forexsb.com/
// This code or any part of it cannot be used in other applications without a permission.
// Copyright (c) 2006 - 2009 Miroslav Popov - All rights reserved.
using System;
using System.Drawing;
namespace Forex_Strategy_Builder
{
/// <summary>
/// Previous Bar Opening Indicator
/// </summary>
public class Previous_Bar_Opening : Indicator
{
/// <summary>
/// Sets the default indicator parameters for the designated slot type
/// </summary>
public Previous_Bar_Opening(SlotTypes slotType)
{
// General properties
IndicatorName = "Previous Bar Opening";
PossibleSlots = SlotTypes.Open | SlotTypes.OpenFilter | SlotTypes.Close | SlotTypes.CloseFilter;
// Setting up the indicator parameters
IndParam = new IndicatorParam();
IndParam.IndicatorName = IndicatorName;
IndParam.SlotType = slotType;
IndParam.IndicatorType = TypeOfIndicator.Additional;
// The ComboBox parameters
IndParam.ListParam[0].Caption = "Logic";
if (slotType == SlotTypes.Open)
IndParam.ListParam[0].ItemList = new string[]
{
"Enter the market at the previous Bar Opening"
};
else if (slotType == SlotTypes.OpenFilter)
IndParam.ListParam[0].ItemList = new string[]
{
"The bar opens above the previous Bar Opening",
"The bar opens below the previous Bar Opening",
"The position opens above the previous Bar Opening",
"The position opens below the previous Bar Opening"
};
else if (slotType == SlotTypes.Close)
IndParam.ListParam[0].ItemList = new string[]
{
"Exit the market at the previous Bar Opening"
};
else if (slotType == SlotTypes.CloseFilter)
IndParam.ListParam[0].ItemList = new string[]
{
"The bar closes above the previous Bar Opening",
"The bar closes below the previous Bar Opening"
};
else
IndParam.ListParam[0].ItemList = new string[]
{
"Not Defined"
};
IndParam.ListParam[0].Index = 0;
IndParam.ListParam[0].Text = IndParam.ListParam[0].ItemList[IndParam.ListParam[0].Index];
IndParam.ListParam[0].Enabled = true;
IndParam.ListParam[0].ToolTip = "Logic of application of the indicator.";
IndParam.ListParam[1].Caption = "Base price";
IndParam.ListParam[1].ItemList = new string[] { "Previous Bar Opening" };
IndParam.ListParam[1].Index = 0;
IndParam.ListParam[1].Text = IndParam.ListParam[1].ItemList[IndParam.ListParam[1].Index];
IndParam.ListParam[1].Enabled = true;
IndParam.ListParam[1].ToolTip = "Used price from the indicator.";
return;
}
/// <summary>
/// Calculates the indicator's components
/// </summary>
public override void Calculate(SlotTypes slotType)
{
// Calculation
double[] adPrevBarOpening = new double[Bars];
int iFirstBar = 1;
for (int iBar = iFirstBar; iBar < Bars; iBar++)
{
adPrevBarOpening[iBar] = Open[iBar - 1];
}
// Saving the components
if (slotType == SlotTypes.Open || slotType == SlotTypes.Close)
{
Component = new IndicatorComp[1];
}
else
{
Component = new IndicatorComp[3];
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];
}
Component[0] = new IndicatorComp();
Component[0].DataType = IndComponentType.IndicatorValue;
Component[0].CompName = "Previous Bar Opening";
Component[0].ChartType = IndChartType.NoChart;
Component[0].FirstBar = iFirstBar;
Component[0].Value = adPrevBarOpening;
// Sets the Component's type
if (slotType == SlotTypes.Open)
{
Component[0].DataType = IndComponentType.OpenPrice;
}
else 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.Close)
{
Component[0].DataType = IndComponentType.ClosePrice;
}
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";
}
if (slotType == SlotTypes.OpenFilter || slotType == SlotTypes.CloseFilter)
{
switch (IndParam.ListParam[0].Text)
{
case "The bar opens below the previous Bar Opening":
BarOpensBelowIndicatorLogic(iFirstBar, 0, adPrevBarOpening, ref Component[1], ref Component[2]);
break;
case "The bar opens above the previous Bar Opening":
BarOpensAboveIndicatorLogic(iFirstBar, 0, adPrevBarOpening, ref Component[1], ref Component[2]);
break;
case "The position opens above the previous Bar Opening":
Component[0].PosPriceDependence = PositionPriceDependence.BuyHigherSellLower;
Component[1].DataType = IndComponentType.Other;
Component[2].DataType = IndComponentType.Other;
Component[1].ShowInDynInfo = false;
Component[2].ShowInDynInfo = false;
break;
case "The position opens below the previous Bar Opening":
Component[0].PosPriceDependence = PositionPriceDependence.BuyLowerSelHigher;
Component[1].DataType = IndComponentType.Other;
Component[2].DataType = IndComponentType.Other;
Component[1].ShowInDynInfo = false;
Component[2].ShowInDynInfo = false;
break;
case "The bar closes below the previous Bar Opening":
BarClosesBelowIndicatorLogic(iFirstBar, 0, adPrevBarOpening, ref Component[1], ref Component[2]);
break;
case "The bar closes above the previous Bar Opening":
BarClosesAboveIndicatorLogic(iFirstBar, 0, adPrevBarOpening, ref Component[1], ref Component[2]);
break;
default:
break;
}
}
return;
}
/// <summary>
/// Sets the indicator logic description
/// </summary>
public override void SetDescription(SlotTypes slotType)
{
switch (IndParam.ListParam[0].Text)
{
case "Enter the market at the previous Bar Opening":
EntryPointLongDescription = "at the opening price of the previous bar";
EntryPointShortDescription = "at the opening price of the previous bar";
break;
case "The position opens above the previous Bar Opening":
EntryFilterLongDescription = "the position opens above the opening price of the previous bar";
EntryFilterShortDescription = "the position opens below the opening price of the previous bar";
break;
case "The position opens below the previous Bar Opening":
EntryFilterLongDescription = "the position opens below the opening price of the previous bar";
EntryFilterShortDescription = "the position opens above the opening price of the previous bar";
break;
case "The bar opens above the previous Bar Opening":
EntryFilterLongDescription = "the bar opens above the opening price of the previous bar";
EntryFilterShortDescription = "the bar opens below the opening price of the previous bar";
break;
case "The bar opens below the previous Bar Opening":
EntryFilterLongDescription = "the bar opens below the opening price of the previous bar";
EntryFilterShortDescription = "the bar opens above the opening price of the previous bar";
break;
case "The bar closes above the previous Bar Opening":
ExitFilterLongDescription = "the bar closes above the opening price of the previous bar";
ExitFilterShortDescription = "the bar closes below the opening price of the previous bar";
break;
case "The bar closes below the previous Bar Opening":
ExitFilterLongDescription = "the bar closes below the opening price of the previous bar";
ExitFilterShortDescription = "the bar closes above the opening price of the previous bar";
break;
case "Exit the market at the previous Bar Opening":
ExitPointLongDescription = "at the opening price of the previous bar";
ExitPointShortDescription = "at the opening price of the previous bar";
break;
default:
break;
}
return;
}
/// <summary>
/// Indicator to string
/// </summary>
public override string ToString()
{
string sString = IndicatorName;
return sString;
}
}
}