-- Id: 9218 -- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=280 --+------------------------------------------------------------------+ --| 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 | --+------------------------------------------------------------------+ local indi_alerts = {}; function Init() indicator:name("Keltner with Alert") indicator:description("v1 2018-11-03") indicator:requiredSource(core.Bar) indicator:type(core.Indicator) indicator.parameters:addGroup("Calculation") indicator.parameters:addString("Price", "Price Source", "", "close") indicator.parameters:addStringAlternative("Price", "OPEN", "", "open") indicator.parameters:addStringAlternative("Price", "HIGH", "", "high") indicator.parameters:addStringAlternative("Price", "LOW", "", "low") indicator.parameters:addStringAlternative("Price", "CLOSE", "", "close") indicator.parameters:addStringAlternative("Price", "MEDIAN", "", "median") indicator.parameters:addStringAlternative("Price", "TYPICAL", "", "typical") indicator.parameters:addStringAlternative("Price", "WEIGHTED", "", "weighted") indicator.parameters:addInteger("NM", "Number of the periods to smooth the center line", "", 50) indicator.parameters:addInteger("NB", "Number of periods to smooth deviation", "", 50) indicator.parameters:addDouble("F", "Factor which is used to apply the deviation", "", 1) -- source smoothing method indicator.parameters:addBoolean("SC", "Show the center line", "", true) indicator.parameters:addString("MS", "The center line smoothing method", "", "MVA") indicator.parameters:addStringAlternative("MS", "MVA", "", "MVA") indicator.parameters:addStringAlternative("MS", "EMA", "", "EMA") indicator.parameters:addStringAlternative("MS", "LWMA", "", "LWMA") indicator.parameters:addStringAlternative("MS", "SMMA", "", "SMMA") indicator.parameters:addStringAlternative("MS", "Wilders", "", "WMA") indicator.parameters:addGroup("Style") indicator.parameters:addString("MV", "Variation Method", "", "AHL") indicator.parameters:addStringAlternative("MV", "Smoothed H-L", "", "AHL") indicator.parameters:addStringAlternative("MV", "ATR of source", "", "ATR") indicator.parameters:addGroup("Upper Band Style") indicator.parameters:addColor("H_color", "Color of Upper Band Line", "", core.rgb(255, 0, 0)) indicator.parameters:addInteger("H_width", "Line Width", "", 1, 1, 5) indicator.parameters:addInteger("H_style", "Line Style", "", core.LINE_SOLID) indicator.parameters:setFlag("H_style", core.FLAG_LINE_STYLE) indicator.parameters:addGroup("Middle Band Style") indicator.parameters:addColor("M_color", "Color of Middle Band Line", "", core.rgb(0, 255, 255)) indicator.parameters:addInteger("M_width", "Line Width", "", 1, 1, 5) indicator.parameters:addInteger("M_style", "Line Style", "", core.LINE_SOLID) indicator.parameters:setFlag("M_style", core.FLAG_LINE_STYLE) indicator.parameters:addGroup("Lower Band Style") indicator.parameters:addColor("L_color", "Color of Lower Band Line", "", core.rgb(255, 0, 0)) indicator.parameters:addInteger("L_width", "Line Width", "", 1, 1, 5) indicator.parameters:addInteger("L_style", "Line Style", "", core.LINE_SOLID) indicator.parameters:setFlag("L_style", core.FLAG_LINE_STYLE) indi_alerts:AddParameters(indicator.parameters); indi_alerts:AddAlert("Price / Top Line"); indi_alerts:AddAlert("Price / Central Line"); indi_alerts:AddAlert("Price / Bottom Line"); end -- Parameters block local NM local NB local MS local MV local SRC local F local SC local Price local first local source = nil -- Streams block local H = nil local M = nil local L = nil local AS -- alternative source local MI -- middle line smoothed local VM1 -- the source stream for H-L variation method local VMI -- the indicator for smoothing H-L variation method local ATR -- ATR indicator for smoothing method local FIRST = true -- Routine function Prepare(nameOnly) indi_alerts:Prepare(); indi_alerts.source = instance.source; instance:drawOnMainChart(true); SC = instance.parameters.SC NM = instance.parameters.NM NB = instance.parameters.NB Price = instance.parameters.Price FIRST = true F = instance.parameters.F MV = instance.parameters.MV MS = instance.parameters.MS source = instance.source local name = profile:id() .. "(" .. source:name() .. ", " -- create an indicator to calculate the middle line name = name .. MS .. "(" .. NM .. "), " if not nameOnly then assert(core.indicators:findIndicator(MS) ~= nil, MS .. " indicator must be installed"); MI = core.indicators:create(MS, source[Price], NM) first = MI.DATA:first() end if MV == "AHL" then name = name .. MS .. "(H-L, " .. NB .. "), " if not nameOnly then VM1 = instance:addInternalStream(source:first(), 0) VMI = core.indicators:create(MS, VM1, NB) if VMI.DATA:first() > first then first = MI.DATA:first() end end elseif MV == "ATR" then name = name .. "ATR(" .. NB .. "), " if not nameOnly then ATR = core.indicators:create("ATR", source, NB) if ATR.DATA:first() > first then first = ATR.DATA:first() end end else assert(false, "The variation method is unknown") end name = name .. F .. ")" instance:name(name) if (nameOnly) then return end H = instance:addStream("H", core.Line, name .. ".H", "H", instance.parameters.H_color, first) H:setWidth(instance.parameters.H_width) H:setStyle(instance.parameters.H_style) if SC then M = instance:addStream("M", core.Line, name .. ".M", "M", instance.parameters.M_color, first) M:setWidth(instance.parameters.M_width) M:setStyle(instance.parameters.M_style) else M = instance:addInternalStream(first, 0) end L = instance:addStream("L", core.Line, name .. ".L", "L", instance.parameters.L_color, first) L:setWidth(instance.parameters.L_width) L:setStyle(instance.parameters.L_style) end function Draw(stage, context) indi_alerts:Draw(stage, context, source); end function Activate(alert, period, historical_period) if indi_alerts.Live ~= "Live" then period = period - 1; end if (period <= 0) then return; end alert.Alert[period] = 0; if alert.id == 1 and alert.ON then if core.crossesOver(source.close, H, period) then alert:UpAlert(source, period, alert.Label .. ". Cross Over", source.high[period], historical_period); elseif core.crossesUnder(source.close, H, period) then alert:DownAlert(source, period, alert.Label .. ". Cross Under", source.low[period], historical_period); end end if alert.id == 2 and alert.ON then if core.crossesOver(source.close, M, period) then alert:UpAlert(source, period, alert.Label .. ". Cross Over", source.high[period], historical_period); elseif core.crossesUnder(source.close, M, period) then alert:DownAlert(source, period, alert.Label .. ". Cross Under", source.low[period], historical_period); end end if alert.id == 3 and alert.ON then if core.crossesOver(source.close, L, period) then alert:UpAlert(source, period, alert.Label .. ". Cross Over", source.high[period], historical_period); elseif core.crossesUnder(source.close, L, period) then alert:DownAlert(source, period, alert.Label .. ". Cross Under", source.low[period], historical_period); end end if indi_alerts.FIRST then indi_alerts.FIRST = false; end end function Update(period, mode) Calculation(period, mode) for _, alert in ipairs(indi_alerts.Alerts) do Activate(alert, period, period ~= source:size() - 1); end end function Calculation(period, mode) if period < source:first() then return end -- update the source smoothing indicator MI:update(mode) if MV == "AHL" then VM1[period] = source.high[period] - source.low[period] VMI:update(mode) elseif MV == "ATR" then ATR:update(mode) end if period < first then return end local v M[period] = MI.DATA[period] if MV == "AHL" then VM1[period] = source.high[period] - source.low[period] v = VMI.DATA[period] elseif MV == "ATR" then v = ATR.DATA[period] end H[period] = M[period] + v * F L[period] = M[period] - v * F end function AsyncOperationFinished(cookie, success, message, message1, message2) indi_alerts:AsyncOperationFinished(cookie, success, message, message1, message2) end indi_alerts.Version = "1.5"; indi_alerts.last_id = 0; indi_alerts.FIRST = true; indi_alerts.total_alerts = 3; indi_alerts._alerts = {}; indi_alerts._advanced_alert_timer = nil; function indi_alerts:AddParameters(parameters) indicator.parameters:addGroup("Alert 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:addInteger("ToTime", "Convert the date to", "", 6) indicator.parameters:addIntegerAlternative("ToTime", "EST", "", 1) indicator.parameters:addIntegerAlternative("ToTime", "UTC", "", 2) indicator.parameters:addIntegerAlternative("ToTime", "Local", "", 3) indicator.parameters:addIntegerAlternative("ToTime", "Server", "", 4) indicator.parameters:addIntegerAlternative("ToTime", "Financial", "", 5) indicator.parameters:addIntegerAlternative("ToTime", "Display", "", 6) 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"); indicator.parameters:addBoolean("Show", "Show Dialog box Alert", "", true); indicator.parameters:addBoolean("ShowAlert", "Show Alert", "", true); 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:addGroup("External Alerts"); indicator.parameters:addBoolean("use_advanced_alert", "Send Advanced Alert", "Telegram or Telegram Channel", false); indicator.parameters:addString("telegram_key", "Advanced Alert Key", "Start converstation with @profit_robots_bot Telegram Bot to get the key", ""); end function indi_alerts:AsyncOperationFinished(cookie, success, message, message1, message2) if cookie == self._advanced_alert_timer and #self._alerts > 0 then if self._advanced_alert_key == nil then return; end local data = self:ArrayToJSON(self._alerts); self._alerts = {}; local req = http_lua.createRequest(); local query = string.format('{"Key":"%s","StrategyName":"%s","Platform":"FXTS2","Notifications":%s}', self._advanced_alert_key, string.gsub(self.StrategyName or "", '"', '\\"'), data); req:setRequestHeader("Content-Type", "application/json"); req:setRequestHeader("Content-Length", tostring(string.len(query))); req:start("http://profitrobots.com/api/v1/notification", "POST", query); end end function indi_alerts:ToJSON(item) local json = {}; function json:AddStr(name, value) local separator = ""; if self.str ~= nil then separator = ","; else self.str = ""; end self.str = self.str .. string.format("%s\"%s\":\"%s\"", separator, tostring(name), tostring(value)); end function json:AddNumber(name, value) local separator = ""; if self.str ~= nil then separator = ","; else self.str = ""; end self.str = self.str .. string.format("%s\"%s\":%f", separator, tostring(name), value or 0); end function json:AddBool(name, value) local separator = ""; if self.str ~= nil then separator = ","; else self.str = ""; end self.str = self.str .. string.format("%s\"%s\":%s", separator, tostring(name), value and "true" or "false"); end function json:ToString() return "{" .. (self.str or "") .. "}"; end local first = true; for idx,t in pairs(item) do local stype = type(t) if stype == "number" then json:AddNumber(idx, t); elseif stype == "string" then json:AddStr(idx, t); elseif stype == "boolean" then json:AddBool(idx, t); elseif stype == "function" or stype == "table" then else core.host:trace(tostring(idx) .. " " .. tostring(stype)); end end return json:ToString(); end function indi_alerts:ArrayToJSON(arr) local str = "["; for i, t in ipairs(self._alerts) do local json = self:ToJSON(t); if str == "[" then str = str .. json; else str = str .. "," .. json; end end return str .. "]"; end function indi_alerts:AddAlert(Label) self.last_id = self.last_id + 1; indicator.parameters:addGroup(Label .. " Alert"); indicator.parameters:addBoolean("ON" .. self.last_id , "Show " .. Label .." Alert" , "", true); indicator.parameters:addFile("Up" .. self.last_id, Label .. " Cross Over Sound", "", ""); indicator.parameters:setFlag("Up" .. self.last_id, core.FLAG_SOUND); indicator.parameters:addInteger("UpSymbol" .. self.last_id, "Up Symbol", "", 217); indicator.parameters:addColor("UpColor" .. self.last_id, "Up Color", "", core.rgb(0, 255, 0)); indicator.parameters:addFile("Down" .. self.last_id, Label .. " Cross Under Sound", "", ""); indicator.parameters:setFlag("Down" .. self.last_id, core.FLAG_SOUND); indicator.parameters:addInteger("DownSymbol" .. self.last_id, "Down Symbol", "", 218); indicator.parameters:addColor("DownColor" .. self.last_id, "Down Color", "", core.rgb(255, 0, 0)); indicator.parameters:addString("Label" .. self.last_id, "Label", "", Label); end indi_alerts.init = false; function indi_alerts:Draw(stage, context) if stage ~= 102 then return; end if not self.init then context:createFont(1, "Wingdings", context:pointsToPixels(self.Size), context:pointsToPixels(self.Size), 0); self.init = true; end for period = math.max(context:firstBar(), self.source:first()), math.min(context:lastBar(), self.source:size()-1), 1 do x, x1, x2= context:positionOfBar(period); for _, level in ipairs(self.Alerts) do if level.Alert:hasData(period) then if level.Alert[period] == 1 then visible, y = context:pointOfPrice(level.AlertLevel[period]); width, height = context:measureText(1, level.UpSymbol, 0); context:drawText(1, level.UpSymbol, level.UpColor, -1, x - width / 2, y - height, x+width / 2, y, 0); elseif level.Alert[period] == -1 then visible, y = context:pointOfPrice(level.AlertLevel[period]); width, height = context:measureText(1, level.DownSymbol, 0); context:drawText(1, level.DownSymbol, level.DownColor, -1, x - width / 2, y, x + width/2, y + height, 0); end end end end end indi_alerts.Alerts = {}; function indi_alerts:GetTimezone() local tz = instance.parameters.ToTime; if tz == 1 then return core.TZ_EST elseif tz == 2 then return core.TZ_UTC elseif tz == 3 then return core.TZ_LOCAL elseif tz == 4 then return core.TZ_SERVER elseif tz == 5 then return core.TZ_FINANCIAL elseif tz == 6 then return core.TZ_TS end end function indi_alerts:Prepare() self.Show = instance.parameters.Show; self.Live = instance.parameters.Live; self.ShowAlert = instance.parameters.ShowAlert; self.ToTime = self:GetTimezone(); self.UpTrendColor = instance.parameters.UpTrendColor; self.DownTrendColor = instance.parameters.DownTrendColor; self.Size = instance.parameters.Size; self.SendEmail = instance.parameters.SendEmail; self.PlaySound = instance.parameters.PlaySound; local i; for i = 1, self.total_alerts, 1 do local alert = {}; alert.id = i; alert.Label = instance.parameters:getString("Label" .. i); alert.ON = instance.parameters:getBoolean("ON" .. i); alert.UpSymbol = string.char(instance.parameters:getInteger("UpSymbol" .. i)); alert.DownSymbol = string.char(instance.parameters:getInteger("DownSymbol" .. i)); alert.UpColor = instance.parameters:getColor("UpColor" .. i); alert.DownColor = instance.parameters:getColor("DownColor" .. i); alert.Up = self.PlaySound and instance.parameters:getString("Up" .. i) or nil; alert.Down = self.PlaySound and instance.parameters:getString("Down" .. i) or nil; assert(not(self.PlaySound) or (self.PlaySound and alert.Up ~= "") or (self.PlaySound and alert.Up ~= ""), "Sound file must be chosen"); assert(not(self.PlaySound) or (self.PlaySound and alert.Down ~= "") or (self.PlaySound and alert.Down ~= ""), "Sound file must be chosen"); alert.U = nil; alert.D = nil; alert.Alert = instance:addInternalStream(0, 0); alert.AlertLevel = instance:addInternalStream(0, 0); function alert:DownAlert(source, period, text, level, historical_period) shift = indi_alerts.Live ~= "Live" and 1 or 0; self.Alert[period] = -1; self.AlertLevel[period] = level; self.U = nil; if self.D ~= source:serial(period) and period == source:size() - 1 - shift and not indi_alerts.FIRST then self.D = source:serial(period); if not historical_period then indi_alerts:SoundAlert(self.Down); indi_alerts:EmailAlert(self.Label, text, period); indi_alerts:SendAlert(self.Label, text, period); if indi_alerts.Show then indi_alerts:Pop(self.Label, text); end end end end function alert:UpAlert(source, period, text, level, historical_period) shift = indi_alerts.Live ~= "Live" and 1 or 0; self.Alert[period] = 1; self.AlertLevel[period] = level; self.D = nil; if self.U ~= source:serial(period) and period == source:size() - 1 - shift and not indi_alerts.FIRST then self.U=source:serial(period); if not historical_period then indi_alerts:SoundAlert(self.Up); indi_alerts:EmailAlert(self.Label, text, period); indi_alerts:SendAlert(self.Label, text, period); if indi_alerts.Show then indi_alerts:Pop(self.Label, text); end end end end self.Alerts[#self.Alerts + 1] = alert; end self.Email = self.SendEmail and instance.parameters.Email or nil; assert(not(self.SendEmail) or (self.SendEmail and self.Email ~= ""), "E-mail address must be specified"); self.RecurrentSound = instance.parameters.RecurrentSound; if instance.parameters.advanced_alert_key ~= "" and instance.parameters.use_advanced_alert then self._advanced_alert_key = instance.parameters.advanced_alert_key; require("http_lua"); self._advanced_alert_timer = 1234; core.host:execute("setTimer", self._advanced_alert_timer, 1); end end function indi_alerts:Pop(label, note) core.host:execute("prompt", 1, label, self.source:instrument() .. " " .. label .. " : " .. note); end function indi_alerts:SoundAlert(Sound) if not self.PlaySound then return; end terminal:alertSound(Sound, self.RecurrentSound); end function indi_alerts:EmailAlert(label, Subject, period) if not self.SendEmail then return end local now = self.source:date(period); now = core.host:execute("convertTime", core.TZ_EST, self.ToTime, now); local DATA = core.dateToTable(now) local delim = "\013\010"; local Note = profile:id().. delim.. " Label : " ..label .. delim .. " Alert : " .. Subject; local Symbol = "Instrument : " .. self.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(self.Email, profile:id(), text); end function indi_alerts:SendAlert(label, Subject, period) if not self.ShowAlert then return; end local now = self.source:date(period); now = core.host:execute("convertTime", core.TZ_EST, self.ToTime, now); local DATA = core.dateToTable(now) local delim = "\013\010"; local Note = profile:id().. delim.. " Label : " ..label .. delim .. " Alert : " .. Subject; local Symbol= "Instrument : " .. self.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(self.source:instrument(), self.source[NOW], text, self.source:date(NOW)); end function indi_alerts:AlertTelegram(message, instrument, timeframe) local alert = {}; alert.Text = message or ""; alert.Instrument = instrument or ""; alert.TimeFrame = timeframe or ""; self._alerts[#self._alerts + 1] = alert; end