-- Id: 16052 -- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=606 --+------------------------------------------------------------------+ --| Copyright © 2018, Gehtsoft USA LLC | --| http://fxcodebase.com | --+------------------------------------------------------------------+ --| Support our efforts by donating | --| Patreon : https://goo.gl/GdXWeN | --| Paypal : https://goo.gl/9Rj74e | --| BitCoin : 15VCJTLaz12Amr7adHSBtL9v8XomURo9RF | --| BitCoin Cash : 1BEtS465S3Su438Kc58h2sqvVvHK9Mijtg | --| Ethereum : 0x8C110cD61538fb6d7A2B47858F0c0AaBd663068D | --| LiteCoin : LLU8PSY2vsq7B9kRELLZQcKf5nJQrdeqwD | --+------------------------------------------------------------------+ function Init() indicator:name("Heikin-Ashi Smoothed"); indicator:description(""); indicator:requiredSource(core.Bar); indicator:type(core.Indicator); indicator:setTag("group", "Trend"); indicator:setTag("replaceSource", "t"); indicator.parameters:addGroup("Calculation"); indicator.parameters:addString("Method1", "The smoothing method for prices", "The methods marked by the star (*) requires to have approriate indicators installed", "MVA"); indicator.parameters:addStringAlternative("Method1", "MVA", "", "MVA"); indicator.parameters:addStringAlternative("Method1", "EMA", "", "EMA"); indicator.parameters:addStringAlternative("Method1", "LWMA", "", "LWMA"); indicator.parameters:addStringAlternative("Method1", "SMMA*", "", "SMMA"); indicator.parameters:addStringAlternative("Method1", "Vidya (1995)*", "", "VIDYA"); indicator.parameters:addStringAlternative("Method1", "Vidya (1992)*", "", "VIDYA92"); indicator.parameters:addStringAlternative("Method1", "Wilders*", "", "WMA"); indicator.parameters:addInteger("N1", "Periods to smooth prices", "", 6, 1, 1000); indicator.parameters:addString("Method2", "The smoothing method for candles", "The methods marked by the star (*) requires to have approriate indicators installed", "MVA"); indicator.parameters:addStringAlternative("Method2", "MVA", "", "MVA"); indicator.parameters:addStringAlternative("Method2", "EMA", "", "EMA"); indicator.parameters:addStringAlternative("Method2", "LWMA", "", "LWMA"); indicator.parameters:addStringAlternative("Method2", "SMMA*", "", "SMMA"); indicator.parameters:addStringAlternative("Method2", "Vidya (1995)*", "", "VIDYA"); indicator.parameters:addStringAlternative("Method2", "Vidya (1992)*", "", "VIDYA92"); indicator.parameters:addStringAlternative("Method2", "Wilders*", "", "WMA"); indicator.parameters:addInteger("N2", "Periods to smooth candles", "", 6, 1, 1000); indicator.parameters:addGroup("Style"); indicator.parameters:addColor("UP", "Color of Up Candel", "", core.rgb(0, 255, 0)); indicator.parameters:addColor("DOWN", "Color of Down Candle", "", core.rgb(255, 0, 0)); indicator.parameters:addGroup("Alert Parameters"); indicator.parameters:addString("Live", "End of Turn / Live", "", "Live"); indicator.parameters:addStringAlternative("Live", "End of Turn", "", "End of Turn"); indicator.parameters:addStringAlternative("Live", "Live", "", "Live"); indicator.parameters:addBoolean("Show", "Show Dialog box Alert", "", true); indicator.parameters:addBoolean("OnlyOnce", "Alert Once", "Subsequent Alert will be ignored.", false); indicator.parameters:addBoolean("ShowAlert", "Show Alert", "", true); indicator.parameters:addGroup("Alert Style"); indicator.parameters:addColor("UpTrendColor", "Up Trend Color", "", core.rgb(0, 0, 255)); indicator.parameters:addColor("DownTrendColor", "Down Trend Color", "", core.rgb(0, 0, 255)); indicator.parameters:addInteger("Size", "Label Size", "", 10, 1 , 100); indicator.parameters:addGroup("Alerts Sound"); indicator.parameters:addBoolean("PlaySound", "Play Sound", "", true); indicator.parameters:addBoolean("RecurrentSound", "Recurrent Sound", "", false); indicator.parameters:addGroup("Alerts Email"); indicator.parameters:addBoolean("SendEmail", "Send Email", "", true); indicator.parameters:addString("Email", "Email", "", ""); indicator.parameters:setFlag("Email", core.FLAG_EMAIL); Parameters (1, "Trend"); end function Parameters ( id, Label ) indicator.parameters:addGroup(Label .. " Alert"); indicator.parameters:addBoolean("ON"..id , "Show " .. Label .." Alert" , "", true); indicator.parameters:addFile("Up"..id, Label .. " Cross Over Sound", "", ""); indicator.parameters:setFlag("Up"..id, core.FLAG_SOUND); indicator.parameters:addFile("Down"..id, Label .. " Cross Under Sound", "", ""); indicator.parameters:setFlag("Down"..id, core.FLAG_SOUND); indicator.parameters:addString("Label"..id, "Label", "", Label); end local Number = 1; local Up={}; local Down={}; local Label={}; local ON={}; local Size; local Email; local SendEmail; local RecurrentSound ,SoundFile ; local Show; local Alert; local PlaySound; local Live; local FIRST=true; local OnlyOnce; local U={}; local D={}; local UpTrendColor, DownTrendColor; local OnlyOnceFlag; local font; local ShowAlert; local Shift=0; local smopen = nil; local smhigh = nil; local smlow = nil; local smclose = nil; local iopen = nil; local ihigh = nil; local ilow = nil; local iclose = nil; local smiopen = nil; local smihigh = nil; local smilow = nil; local smiclose = nil; local open = nil; local high = nil; local low = nil; local close = nil; local first1 = 0; local first2 = 0; local UP, DOWN; -- Routine function Prepare(nameOnly) source = instance.source; OnlyOnceFlag=true; FIRST=true; OnlyOnce = instance.parameters.OnlyOnce; ShowAlert = instance.parameters.ShowAlert; Show = instance.parameters.Show; Live = instance.parameters.Live; UpTrendColor = instance.parameters.UpTrendColor; DownTrendColor = instance.parameters.DownTrendColor; Size=instance.parameters.Size; local name = "Heikin-Ashi Smoothed" .. "(" .. source:name() .. "," .. instance.parameters.Method1 .. "(" .. instance.parameters.N1 .. ")," .. instance.parameters.Method2 .. "(" .. instance.parameters.N2.. "))" instance:name(name); if nameOnly then return; end font = core.host:execute("createFont", "Wingdings", Size, false, false); -- was missing, so N1 was not set local N1 = instance.parameters.N1; UP = instance.parameters.UP; DOWN = instance.parameters.DOWN; assert(core.indicators:findIndicator(instance.parameters.Method1) ~= nil, instance.parameters.Method1 .. " indicator must be installed"); smopen = core.indicators:create(instance.parameters.Method1, source.open, N1); smclose = core.indicators:create(instance.parameters.Method1, source.close, N1); smhigh = core.indicators:create(instance.parameters.Method1, source.high, N1); smlow = core.indicators:create(instance.parameters.Method1, source.low, N1); first1 = smopen.DATA:first() + 1; iopen = instance:addInternalStream(first1, 0); iclose = instance:addInternalStream(first1, 0); ihigh = instance:addInternalStream(first1, 0); ilow = instance:addInternalStream(first1, 0); -- was missing, so N2 was not set local N2 = instance.parameters.N2; assert(core.indicators:findIndicator(instance.parameters.Method2) ~= nil, instance.parameters.Method2 .. " indicator must be installed"); smiopen = core.indicators:create(instance.parameters.Method2, iopen, N2); smiclose = core.indicators:create(instance.parameters.Method2, iclose, N2); smihigh = core.indicators:create(instance.parameters.Method2, ihigh, N2); smilow = core.indicators:create(instance.parameters.Method2, ilow, N2); first2 = smiopen.DATA:first() + 1; open = instance:addStream("open", core.Line, name, "open", core.rgb(0, 0, 0), first2) high = instance:addStream("high", core.Line, name, "high", core.rgb(0, 0, 0), first2) low = instance:addStream("low", core.Line, name, "low", core.rgb(0, 0, 0), first2) close = instance:addStream("close", core.Line, name, "close", core.rgb(0, 0, 0), first2) instance:createCandleGroup("HAS", "HAS", open, high, low, close); Initialization(); end function Initialization () SendEmail = instance.parameters.SendEmail; local i; for i = 1, Number , 1 do Label[i]=instance.parameters:getString("Label" .. i); ON[i]=instance.parameters:getBoolean("ON" .. i); end if SendEmail then Email = instance.parameters.Email; else Email = nil; end assert(not(SendEmail) or (SendEmail and Email ~= ""), "E-mail address must be specified"); PlaySound = instance.parameters.PlaySound; if PlaySound then for i = 1, Number , 1 do Up[i]=instance.parameters:getString("Up" .. i); Down[i]=instance.parameters:getString("Down" .. i); end else for i = 1, Number , 1 do Up[i]=nil; Down[i]=nil; end end for i = 1, Number , 1 do assert(not(PlaySound) or (PlaySound and Up[i] ~= "") or (PlaySound and Up[i] ~= ""), "Sound file must be chosen"); assert(not(PlaySound) or (PlaySound and Down[i] ~= "") or (PlaySound and Down[i] ~= ""), "Sound file must be chosen"); end RecurrentSound = instance.parameters.RecurrentSound; for i = 1, Number , 1 do U[i] = nil; D[i] = nil; end end -- Indicator calculation routine function Update(period, mode) -- smooth source smopen:update(mode); smhigh:update(mode); smlow:update(mode); smclose:update(mode); if period >= first1 then -- calculate candles if (period == first1) then iopen[period] = (smopen.DATA[period - 1] + smclose.DATA[period - 1]) / 2; else iopen[period] = (iopen[period - 1] + iclose[period - 1]) / 2; end iclose[period] = (smopen.DATA[period] + smhigh.DATA[period] + smlow.DATA[period] + smclose.DATA[period]) / 4; ihigh[period] = math.max(iopen[period], iclose[period], smhigh.DATA[period]); ilow[period] = math.min(iopen[period], iclose[period], smlow.DATA[period]); -- smooth candles smiopen:update(mode); smihigh:update(mode); smilow:update(mode); smiclose:update(mode); end if period< first2 then return; end open[period] = smiopen.DATA[period]; close[period] = smiclose.DATA[period]; high[period] = math.max(open[period], close[period], smihigh.DATA[period]); low[period] = math.min(open[period], close[period], smilow.DATA[period]); if open[period] > close[period] then open:setColor(period, DOWN); elseif open[period] < close[period] then open:setColor(period, UP); else open:setColor(period, core.rgb(128, 128, 128)); end if Live~= "Live" then period=period-1; Shift=1; else Shift=0; end core.host:execute ("removeLabel", source:serial(period)); Activate (1, period); end function ReleaseInstance() core.host:execute("deleteFont", font); end function Activate (id, period) if id == 1 and ON[id] then if open[period] < close[period] and open[period-1] >= close[period-1] then core.host:execute("drawLabel1", source:serial(period), source:date(period), core.CR_CHART, low[period], core.CR_CHART, core.H_Center, core.V_Bottom, font, UpTrendColor, "\225"); D[id] = nil; if U[id]~=source:serial(period) and period == source:size()-1-Shift and not FIRST then OnlyOnceFlag=false; U[id]=source:serial(period); SoundAlert(Up[id]); EmailAlert( Label[id], " Up ", period); SendAlert(" Up "); Pop(Label[id], " Up " ); end elseif open[period] > close[period] and open[period-1] <= close[period-1] then core.host:execute("drawLabel1", source:serial(period), source:date(period), core.CR_CHART, high[period], core.CR_CHART, core.H_Center, core.V_Top, font, DownTrendColor, "\226"); U[id] = nil; if D[id]~=source:serial(period) and period == source:size()-1-Shift and not FIRST then OnlyOnceFlag=false; D[id]=source:serial(period); SoundAlert(Down[id]); EmailAlert( Label[id] , " Down ", period); Pop(Label[id], " Down " ); SendAlert(" Down "); end end end if FIRST then FIRST=false; end end function AsyncOperationFinished (cookie, success, message) end function Pop(label , note) if not Show then return; end core.host:execute ("prompt", 1, label , " ( " .. source:instrument() .. " : " .. source:barSize() .. " ) " .. label .. " : " .. note ); end function SendAlert(message) if not ShowAlert then return; end terminal:alertMessage(source:instrument(), source[NOW], message, source:date(NOW)); end function SoundAlert(Sound) if not PlaySound then return; end if OnlyOnce and OnlyOnceFlag== false then return; end terminal:alertSound(Sound, RecurrentSound); end function EmailAlert( label , Subject, period) if not SendEmail then return end if OnlyOnce and OnlyOnceFlag== false then return; end local date = source:date(period); local DATA = core.dateToTable (date); local delim = "\013\010"; local Note= profile:id().. delim.. " Label : " ..label .. delim .. " Alert : " .. Subject ; local Symbol= "Instrument : " .. source:instrument() ; local Time = " Date : " .. DATA.month.." / ".. DATA.day .." Time: ".. DATA.hour .." / ".. DATA.min .." / ".. DATA.sec; local TF= "Time Frame : " .. source:barSize(); local text = Note .. delim .. Symbol .. delim .. TF .. delim .. Time; terminal:alertEmail(Email, profile:id(), text); end