-- Id: 18673 --+------------------------------------------------------------------+ --| 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 | --+------------------------------------------------------------------+ -- Available @ http://fxcodebase.com/code/viewtopic.php?f=17&t=64558 -- 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("Stochastic Min Max") indicator:description("Shows the location of the high/low price achieved between two Stochastic crosses") indicator:requiredSource(core.Bar) indicator:type(core.Indicator) indicator.parameters:addGroup("Calculation") indicator.parameters:addInteger("iK", "Number of periods for %K", "", 25, 2, 1000) indicator.parameters:addInteger("iSD", "%D slowing periods", "", 25, 2, 1000) indicator.parameters:addInteger("iD", "The number of periods for %D.", "", 25, 2, 1000) indicator.parameters:addString("KS", "Smoothing type for %K", "", "MVA") indicator.parameters:addStringAlternative("KS", "MVA", "", "MVA") indicator.parameters:addStringAlternative("KS", "EMA", "", "EMA") indicator.parameters:addStringAlternative("KS", "FS", "", "FS") indicator.parameters:addString("DS", "Smoothing type for %D", "", "MVA") indicator.parameters:addStringAlternative("DS", "MVA", "", "MVA") indicator.parameters:addStringAlternative("DS", "EMA", "", "EMA") indicator.parameters:addBoolean("TrendFilter", "Use Trend Filter", "", true) indicator.parameters:addGroup("Style") indicator.parameters:addColor("UpColor", "Period Max Color", "", core.rgb(0, 255, 0)) indicator.parameters:addColor("DownColor", "Period Min Color", "", core.rgb(255, 0, 0)) indicator.parameters:addInteger("Size", "Font Size", "", 15, 1, 1000) indicator.parameters:addGroup("Alert Parameters") indicator.parameters:addString("Live", "Execution", "", "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("Alerts Sound") indicator.parameters:addBoolean("PlaySound", "Play Sound", "", false) indicator.parameters:addBoolean("RecurrentSound", "Recurrent Sound", "", false) indicator.parameters:addGroup("Alerts Email") indicator.parameters:addBoolean("SendEmail", "Send Email", "", false) indicator.parameters:addString("Email", "Email", "", "") indicator.parameters:setFlag("Email", core.FLAG_EMAIL) Parameters(1, "Alert") 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 .. " Max Sound", "", "") indicator.parameters:setFlag("Up" .. id, core.FLAG_SOUND) indicator.parameters:addFile("Down" .. id, Label .. " Min 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 Email local SendEmail local RecurrentSound, SoundFile local Show local Alert local PlaySound local Live local FIRST = true local OnlyOnce local U = {} local D = {} local OnlyOnceFlag local font local ShowAlert local Shift = 0 local Alert = {} local AlertLevel = {} -- 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 first local source = nil local UpColor, DownColor local DS, KS local iK, iSD, iD local Size local Stochastic = nil local font local Trend local TrendFilter function Prepare(nameOnly) OnlyOnceFlag = true FIRST = true OnlyOnce = instance.parameters.OnlyOnce ShowAlert = instance.parameters.ShowAlert Show = instance.parameters.Show Live = instance.parameters.Live TrendFilter = instance.parameters.TrendFilter DS = instance.parameters.DS KS = instance.parameters.KS iK = instance.parameters.iK iSD = instance.parameters.iSD iD = instance.parameters.iD Size = instance.parameters.Size UpColor = instance.parameters.UpColor DownColor = instance.parameters.DownColor source = instance.source local name = profile:id() .. "(" .. source:name() .. ", " .. source:barSize() .. ", " .. iK .. ", " .. iSD .. ", " .. iD .. ", " .. KS .. ", " .. DS .. ")" instance:name(name) if (nameOnly) then return end Stochastic = core.indicators:create("STOCHASTIC", source, iK, iSD, iD, KS, DS) first = Stochastic.D:first() Trend = instance:addInternalStream(0, 0) instance:ownerDrawn(true) 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 and (Email == "" or Email == nil)), "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 and (Up[i] == "" or Up[i] == nil)), "Sound file must be chosen") assert(not (PlaySoundand and (Down[i] == "" or Down[i] == nil)), "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) period = period - 1 Stochastic:update(mode) if Stochastic.K[period] > Stochastic.D[period] and Stochastic.K[period - 1] <= Stochastic.D[period - 1] then Trend[period] = 1 end if Stochastic.K[period] < Stochastic.D[period] and Stochastic.K[period - 1] >= Stochastic.D[period - 1] then Trend[period] = -1 end if Live ~= "Live" then period = period - 1 Shift = 1 else Shift = 0 end Activate(1, period) end function Activate(id, period) if id == 1 and ON[id] then if Trend[period] == 1 and Trend[period - 1] ~= 1 then D[id] = nil if U[id] ~= source:serial(period) and period == source:size() - 2 - Shift and not FIRST and (not OnlyOnce or (OnlyOnce and OnlyOnceFlag ~= false)) then U[id] = source:serial(period) SoundAlert(Up[id]) EmailAlert(Label[id], " Max ", period) SendAlert(Label[id], " Max ", period) Pop(Label[id], " Max ", period) OnlyOnceFlag = false end elseif Trend[period] == -1 and Trend[period - 1] ~= -1 then U[id] = nil if D[id] ~= source:serial(period) and period == source:size() - 2 - Shift and not FIRST and (not OnlyOnce or (OnlyOnce and OnlyOnceFlag ~= false)) then D[id] = source:serial(period) SoundAlert(Down[id]) EmailAlert(Label[id], " Min ", period) Pop(Label[id], " Min ", period) SendAlert(Label[id], " Min ", period) OnlyOnceFlag = false end end end if FIRST then FIRST = false end end function AsyncOperationFinished(cookie, success, message) 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 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 function Pop(label, Subject, period) if not Show 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 core.host:execute("prompt", 1, label, text) end function SendAlert(label, Subject, period) if not ShowAlert 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:alertMessage(source:instrument(), source[NOW], text, source:date(NOW)) end local init = false function Draw(stage, context) if stage ~= 2 then return end if not init then context:createFont(1, "Wingdings", context:pointsToPixels(Size), context:pointsToPixels(Size), 0) init = true end local min, max, minpos, maxpos local from for period = math.max(first + 1, context:firstBar()), math.min(context:lastBar(), source:size() - 1), 1 do if Trend:hasData(period) then if Trend[period] == 1 or Trend[period] == -1 then from = Find(period) min, max, minpos, maxpos = mathex.minmax(source, from, period - 1) if (Trend[period] ~= 1 and TrendFilter) or not TrendFilter then x1, x = context:positionOfBar(maxpos) visible, y1 = context:pointOfPrice(max) Text = "\225" width, height = context:measureText(1, Text, 0) context:drawText(1, Text, UpColor, -1, x1 - width / 2, y1 - height, x1 + width / 2, y1, 0) end if (Trend[period] ~= -1 and TrendFilter) or not TrendFilter then x2, x = context:positionOfBar(minpos) visible, y2 = context:pointOfPrice(min) Text = "\226" width, height = context:measureText(1, Text, 0) context:drawText(1, Text, DownColor, -1, x2 - width / 2, y2, x2 + width / 2, y2 + height, 0) end end end end end function Find(Start) local from for period = Start - 1, first, -1 do if Trend[period] == 1 or Trend[period] == -1 then from = period break end end return from end