-- Id: 1165 -- More information about this indicator can be found at: -- http://fxcodebase.com/ --+------------------------------------------------------------------+ --| Copyright © 2019, Gehtsoft USA LLC | --| http://fxcodebase.com | --+------------------------------------------------------------------+ --| Support our efforts by donating | --| Paypal: https://goo.gl/9Rj74e | --+------------------------------------------------------------------+ --| Patreon : https://goo.gl/GdXWeN | --| BitCoin : 15VCJTLaz12Amr7adHSBtL9v8XomURo9RF | --| BitCoin Cash: 1BEtS465S3Su438Kc58h2sqvVvHK9Mijtg | --| Ethereum : 0x8C110cD61538fb6d7A2B47858F0c0AaBd663068D | --| LiteCoin : LLU8PSY2vsq7B9kRELLZQcKf5nJQrdeqwD | --+------------------------------------------------------------------+ function Init() strategy:name("Slope direction line oscillator signal"); strategy:setTag("NonOptimizableParameters", "Email,SendEmail,SoundFile,RecurrentSound,PlaySound,ShowAlert"); strategy:description("Slope direction line oscillator signal"); strategy.parameters:addGroup("Parameters"); strategy.parameters:addString("Type", "Price type", "", "Bid"); strategy.parameters:addStringAlternative("Type", "Bid", "", "Bid"); strategy.parameters:addStringAlternative("Type", "Ask", "", "Ask"); strategy.parameters:addInteger("Frame1", "Short Period", " Short Period", 40); strategy.parameters:addString("Method1", "Method1", "", "SMA"); strategy.parameters:addStringAlternative("Method1", "SMA", "", "SMA"); strategy.parameters:addStringAlternative("Method1", "EMA", "", "EMA"); strategy.parameters:addString("Price1", "Price", "", "close"); strategy.parameters:addStringAlternative("Price1", "open", "", "open"); strategy.parameters:addStringAlternative("Price1", "close", "", "close"); strategy.parameters:addStringAlternative("Price1", "high", "", "high"); strategy.parameters:addStringAlternative("Price1", "low", "", "low"); strategy.parameters:addInteger("Frame2", "Long Period", " Long Period", 80); strategy.parameters:addString("Method2", "Method2", "", "SMA"); strategy.parameters:addStringAlternative("Method2", "SMA", "", "SMA"); strategy.parameters:addStringAlternative("Method2", "EMA", "", "EMA"); strategy.parameters:addString("Price2", "Price", "", "close"); strategy.parameters:addStringAlternative("Price2", "open", "", "open"); strategy.parameters:addStringAlternative("Price2", "close", "", "close"); strategy.parameters:addStringAlternative("Price2", "high", "", "high"); strategy.parameters:addStringAlternative("Price2", "low", "", "low"); strategy.parameters:addString("Period", "Timeframe", "", "m5"); strategy.parameters:setFlag("Period", core.FLAG_PERIODS); strategy.parameters:addGroup("Signals"); strategy.parameters:addBoolean("ShowAlert", "Show Alert", "", true); strategy.parameters:addBoolean("PlaySound", "Play Sound", "", false); strategy.parameters:addFile("SoundFile", "Sound File", "", ""); end local Price1, Price2,Method1, Method2, Frame1, Frame2 ; local SDLO=nil; local Flag=nil; local ShowAlert; local SoundFile; local BUY, SELL, NEUTRAL; local BarSource = nil; -- the source stream function Prepare() ShowAlert = instance.parameters.ShowAlert; Price1=instance.parameters.Price1; Price2=instance.parameters.Price2; Method1=instance.parameters.Method1; Method2=instance.parameters.Method2; Frame1=instance.parameters.Frame1; Frame2=instance.parameters.Frame2; if instance.parameters.PlaySound then SoundFile = instance.parameters.SoundFile; else SoundFile = nil; end assert(not(PlaySound) or (PlaySound and SoundFile ~= " "), "Sound file must be specified"); BUY = " Up Trend"; SELL = " Down Trend"; NEUTRAL = " Indefinite Trend"; ExtSetupSignal(" Slope direction line oscillator", ShowAlert); BarSource = ExtSubscribe(1, nil, instance.parameters.Period, instance.parameters.Type == "Bid", "bar"); assert(core.indicators:findIndicator("SDLO") ~= nil, "SDLO" .. " indicator must be installed"); SDLO = core.indicators:create("SDLO", BarSource, Frame1, Method1, Price1, Frame2, Method2, Price2); local name = profile:id() .. "(" .. instance.bid:instrument() .. "(" .. instance.parameters.Period .. ")" ..")"; instance:name(name); end -- when tick source is updated function ExtUpdate(id, source, period) if period > math.max(Frame1, Frame2) then SDLO:update(core.UpdateLast); if SDLO.UP[period] == 1 and SDLO.UP[period-1]~=1 and Flag ~= "Buy" then ExtSignal(BarSource.close, period, BUY, SoundFile); Flag="Buy" end if SDLO.DOWN[period] == 1 and SDLO.DOWN[period-1]~=1 and Flag ~= "Sell" then ExtSignal(BarSource.close, period, SELL, SoundFile); Flag="Sell" end if SDLO.NEUTRAL[period] == 1 and SDLO.NEUTRAL[period-1]~=1 and Flag ~= "Neutral" then ExtSignal(BarSource.close, period, NEUTRAL, SoundFile); Flag="Neutral" end end end dofile(core.app_path() .. "\\strategies\\standard\\include\\helper.lua");