--+------------------------------------------------------------------+ --| Copyright © 2016, Gehtsoft USA LLC | --| http://fxcodebase.com | --+------------------------------------------------------------------+ --| Support our efforts by donating | --| Paypal: https://goo.gl/9Rj74e | --| BitCoin : 15VCJTLaz12Amr7adHSBtL9v8XomURo9RF | --+------------------------------------------------------------------+ --| Developed by : Mario Jemic | --| mario.jemic@gmail.com | --+------------------------------------------------------------------+ -- Indicator profile initialization routine -- Defines indicator profile properties and indicator parameters -- TODO: Add minimal and maximal value of numeric parameters and default color of the streams function Init() indicator:name("Trailing Stop"); indicator:description("Trailing Stop"); indicator:requiredSource(core.Bar); indicator:type(core.Indicator); indicator.parameters:addGroup("Calculation"); indicator.parameters:addString("method", "Method", "ATR" , "ATR"); indicator.parameters:addStringAlternative("method", "ATR", "ATR" , "ATR"); indicator.parameters:addStringAlternative("method", "Percentage", "Percentage" , "Percentage"); indicator.parameters:addStringAlternative("method", "In Pips", "" , "Pips"); indicator.parameters:addDouble("P", "Percentage ", "Percentage ", 3, 0, 100); indicator.parameters:addInteger("AP", "ATR period ", "ATR Period ", 14); indicator.parameters:addDouble("AM", "ATR multiplicator ", "ATR multiplicator ", 3.5); indicator.parameters:addInteger("STOP", "Initial Stop (In Pips) ", "", 100 , 0, 10000); indicator.parameters:addGroup("Style"); indicator.parameters:addColor("TS_color", "Color of TS", "", core.rgb(255, 0, 0)); indicator.parameters:addInteger("width", "Line Width", "", 1, 1, 5); indicator.parameters:addInteger("style", "DEMA Line Style", "", core.LINE_SOLID); indicator.parameters:setFlag("style", core.FLAG_LEVEL_STYLE); end -- Indicator instance initialization routine -- Processes indicator parameters and creates output streams -- TODO: Refine the first period calculation for each of the output streams. -- TODO: Calculate all constants, create instances all subsequent indicators and load all required libraries -- Parameters block local Percentage=nil; local Method=nil; local first; local source = nil; -- Streams block local TS = nil; local STOP; local Multiplicator=nil; local Frame=nil; local first; local source = nil; -- Streams block local ATR=nil; local name=nil; -- Routine function Prepare() Method = instance.parameters.method; STOP= instance.parameters.STOP; Percentage = instance.parameters.P; Multiplicator = instance.parameters.AM; Frame = instance.parameters.AP; source = instance.source; first = source:first(); if Method == "ATR" then name = profile:id() .. "(" .. source:name() .. ", " .. Frame .. ", " .. Multiplicator .. ", " .. Method.. ")"; elseif Method == "Percentage" then name = profile:id() .. "(" .. source:name() .. ", " .. Percentage .. ", " .. Method.. ")"; else name = profile:id() .. "(" .. source:name() .. ", " .. STOP..")"; end instance:name(name); if Method == "ATR" then ATR= core.indicators:create("ATR", source, Frame); end if Method == "Pips" then STOP = STOP*source:pipSize(); end TS = instance:addStream("TS", core.Line, name, "TS", instance.parameters.TS_color, first); TS:setWidth(instance.parameters.width); TS:setStyle(instance.parameters.style); end -- Indicator calculation routine -- TODO: Add your code for calculation output values function Update(period,mode) if Method == "Percentage" then if period >= first and source:hasData(period) then STOP=(source.close[period]/100)*Percentage; if source.close[period] < TS[period-1] and source.close[period-1] > TS[period-1] then TS[period] = source.close[period]+STOP; elseif source.close[period] < TS[period-1] and source.close[period-1] < TS[period-1] then TS[period]= math.min(TS[period-1],source.close[period]+STOP); end if source.close[period] > TS[period-1] and source.close[period-1] < TS[period-1] then TS[period] = source.close[period]-STOP; elseif source.close[period] > TS[period-1] and source.close[period-1] > TS[period-1] then TS[period]= math.max(TS[period-1],source.close[period]-STOP); end end elseif Method == "ATR" then if period >= Frame and source:hasData(period) then ATR:update(mode); STOP=ATR.DATA[period]*Multiplicator; if source.close[period] < TS[period-1] and source.close[period-1] > TS[period-1] then TS[period] = source.close[period]+STOP; elseif source.close[period] < TS[period-1] and source.close[period-1] < TS[period-1] then TS[period]= math.min(TS[period-1],source.close[period]+STOP); end if source.close[period] > TS[period-1] and source.close[period-1] < TS[period-1] then TS[period] = source.close[period]-STOP; elseif source.close[period] > TS[period-1] and source.close[period-1] > TS[period-1] then TS[period]= math.max(TS[period-1],source.close[period]-STOP); end end else if period >= first and source:hasData(period) then if source.close[period] < TS[period-1] and source.close[period-1] > TS[period-1] then TS[period] = source.close[period]+STOP; elseif source.close[period] < TS[period-1] and source.close[period-1] < TS[period-1] then TS[period]= math.min(TS[period-1],source.close[period]+STOP); end if source.close[period] > TS[period-1] and source.close[period-1] < TS[period-1] then TS[period] = source.close[period]-STOP; elseif source.close[period] > TS[period-1] and source.close[period-1] > TS[period-1] then TS[period]= math.max(TS[period-1],source.close[period]-STOP); end end end end