-- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=3102 --+------------------------------------------------------------------+ --| Copyright © 2018, Gehtsoft USA LLC | --| http://fxcodebase.com | --+------------------------------------------------------------------+ --| Developed by : Mario Jemic | --| mario.jemic@gmail.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 | --+------------------------------------------------------------------+ -- This indicator will provides Audio / Email Alerts if and when Super Trend indication is changed. -- Indicator profile initialization routine -- Defines indicator profile properties and indicator parameters function Init() indicator:name("SuperTrend Indicator"); indicator:description("The indicator displays the buying and selling with the colors. The indicator is initially developed by Jason Robinson for MT4"); indicator:requiredSource(core.Bar); indicator:type(core.Indicator); indicator.parameters:addGroup("Mode"); 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:addGroup("Calculation"); indicator.parameters:addInteger("N", "Number of periods", "No description", 10); indicator.parameters:addDouble("M", "Multiplier", "No description", 1.5); indicator.parameters:addGroup("Style"); indicator.parameters:addColor("UP_color", "Color of UP", "Color of UP", core.rgb(0, 255, 0)); indicator.parameters:addColor("DN_color", "Color of DN", "Color of DN", core.rgb(255, 0, 0)); indicator.parameters:addInteger("width", "Width", "Width", 1, 1, 5); indicator.parameters:addInteger("style", "Style", "Style", core.LINE_SOLID); indicator.parameters:setFlag("style", core.FLAG_LINE_STYLE); indicator.parameters:addGroup("Alert Style"); indicator.parameters:addColor("Up", "Up Trend Color", "", core.rgb(0, 0, 255)); indicator.parameters:addColor("Down", "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); indicator.parameters:addBoolean("Show", "Show Dialog box Alert", "", true); Parameters(1, "SuperTrend") 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; -- Indicator instance initialization routine -- Processes indicator parameters and creates output streams -- Parameters block local Up = {}; local Down = {}; local Label = {}; local ON = {}; local Line; local up = {}; local down = {}; local Size; local Email; local SendEmail; local RecurrentSound, SoundFile; local Show; local Alert; local PlaySound; local Live; local FIRST = true; local U = {}; local D = {}; local N; local M; local first; local source = nil; local ATR = nil; -- Streams block local OUT = nil; local UP = nil; local DN = nil; local TR = nil; -- Routine function Prepare(nameOnly) FIRST = true; Show = instance.parameters.Show; Live = instance.parameters.Live; N = instance.parameters.N; M = instance.parameters.M; source = instance.source; local name = profile:id() .. "(" .. source:name() .. ", " .. N .. ", " .. M .. ")"; instance:name(name); if (nameOnly) then return; end ATR = core.indicators:create("ATR", source, N); first = ATR.DATA:first(); UP = instance:addInternalStream(first, 0); DN = instance:addInternalStream(first, 0); TR = instance:addInternalStream(first, 0); OUT = instance:addStream("ST", core.Line, name .. ".Super Trend", "Super Trend", instance.parameters.UP_color, first); OUT:setWidth(instance.parameters.width); OUT:setStyle(instance.parameters.style); Initialization(); end function Initialization() Size = instance.parameters.Size; 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; if ON[i] then up[i] = instance:createTextOutput ("Up", "Up", "Wingdings", Size, core.H_Center, core.V_Center, instance.parameters.Up, 0); down[i] = instance:createTextOutput ("Dn", "Dn", "Wingdings", Size, core.H_Center, core.V_Center, instance.parameters.Down, 0); end end end function Activate(id, period) local Shift = 0; if Live ~= "Live" then period = period - 1; Shift = 1; end if id == 1 and ON[id] then if TR[period] == 1 and TR[period - 1] ~= 1 then up[id]:set(period, OUT[period], "\108"); D[id] = nil; if U[id] ~= source:serial(period) and period == source:size() - 1 - Shift and not FIRST then U[id] = source:serial(period); SoundAlert(Up[id]); EmailAlert(Label[id], " Cross Over", period); if Show then Pop(Label[id], " Cross Over " ); end end elseif TR[period] == -1 and TR[period - 1] ~= -1 then down[id]:set(period, OUT[period], "\108"); U[id] = nil; if D[id] ~= source:serial(period) and period == source:size() - 1 - Shift and not FIRST then D[id] = source:serial(period); SoundAlert(Down[id]); EmailAlert( Label[id], " Cross Under", period); if Show then Pop(Label[id], " Cross Under "); end end end end if FIRST then FIRST = false; end end function AsyncOperationFinished (cookie, success, message) end function Pop(label, note) terminal:alertMessage(source:instrument(),source.close[NOW], label .. " ( " .. source:instrument() .. " : " .. source:barSize() .. " ) " .. label .. " : " .. note, source:date(NOW)); end function SoundAlert(Sound) if not PlaySound then return; end terminal:alertSound(Sound, RecurrentSound); end function EmailAlert( label, Subject, period) if not SendEmail 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 TF = "Time Frame : " .. source:barSize(); local Time = " Date : " .. DATA.month .. " / " .. DATA.day .. " Time: " .. DATA.hour .. " / " .. DATA.min .. " / " .. DATA.sec; local text = Note .. delim .. Symbol .. delim .. TF .. delim .. Time; terminal:alertEmail(Email, profile:id(), text); end -- Indicator calculation routine function Update(period, mode) Calculation(period, mode); local i; for i = 1, Number, 1 do if ON[i] then down[i]:setNoData(period); up[i]:setNoData(period); end end if period < first then return; end Activate(1, period); end function Calculation(period, mode) ATR:update(mode); TR[period] = 1; if period = first + 1 then change = false; if source.close[period] > UP[period - 1] then TR[period] = 1; if TR[period - 1] == -1 then change = true; end elseif source.close[period] < DN[period - 1] then TR[period] = -1; if TR[period - 1] == 1 then change = true; end else TR[period] = TR[period - 1]; end local flag, flagh; if TR[period] < 0 and TR[period - 1] > 0 then flag = 1; else flag = 0; end if TR[period] > 0 and TR[period - 1] < 0 then flagh = 1; else flagh = 0; end if TR[period] > 0 and DN[period] < DN[period - 1] then DN[period] = DN[period - 1]; end if TR[period] < 0 and UP[period] > UP[period - 1] then UP[period] = UP[period - 1]; end if flag == 1 then UP[period] = source.median[period] + ATR.DATA[period] * M; end if flagh == 1 then DN[period] = source.median[period] - ATR.DATA[period] * M; end if TR[period] == 1 then OUT[period] = DN[period]; OUT:setColor(period, instance.parameters.UP_color); end if TR[period] == -1 then OUT[period] = UP[period]; OUT:setColor(period, instance.parameters.DN_color); end end end