-- Id: 2766 -- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=3080 --+------------------------------------------------------------------+ --| 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("Relative Stength Index with zone and trend highlighting"); indicator:description(""); indicator:requiredSource(core.Tick); indicator:type(core.Oscillator); indicator:setTag("group", "Classic Oscillators"); indicator.parameters:addInteger("N", "Number of Periods", "", 17, 2, 1000); indicator.parameters:addGroup("Style"); indicator.parameters:addColor("clrRSI", "Line (neutral)", "", core.rgb(0, 255, 255)); indicator.parameters:addColor("clrRSIUp", "Line (uptrend)", "", core.rgb(0, 255, 0)); indicator.parameters:addColor("clrRSIDn", "Line (downtrend)", "", core.rgb(255, 0, 0)); indicator.parameters:addInteger("widthRSI", "Line Width (in pixels)", "", 1, 1, 5); indicator.parameters:addInteger("styleRSI", "Line Style", "", core.LINE_SOLID); indicator.parameters:setFlag("styleRSI", core.FLAG_LEVEL_STYLE); indicator.parameters:addBoolean("fill", "Highlight Areas over/under levels", "", true); indicator.parameters:addInteger("transparency", "Highlight transparency (%)", "", 30); indicator.parameters:addColor("clrFill", "Over Level Fill Color", "", core.rgb(255, 255, 0)); indicator.parameters:addColor("clrBg", "Background Fill Color", "Leave this parameter in its default value", core.COLOR_BACKGROUND); indicator.parameters:addGroup("Levels"); indicator.parameters:addInteger("overbought", "Overbought level", "", 60, 0, 100); indicator.parameters:addInteger("oversold", "Oversold level", "", 40, 0, 100); indicator.parameters:addInteger("level_overboughtsold_width", "Level Line Width (in pixels)", "", 1, 1, 5); indicator.parameters:addInteger("level_overboughtsold_style", "Level Line Style", "", core.LINE_DOT); indicator.parameters:addColor("level_overboughtsold_color", "","", core.COLOR_CUSTOMLEVEL); indicator.parameters:setFlag("level_overboughtsold_style", core.FLAG_LEVEL_STYLE); 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 n; local source; local first1, first2; local pos, neg; local wmap, wman; local rsi; local clr, clrUp, clrDn; local trend; local fill, clrFill, clrBg; local ob_level; local ob_highlight1; local ob_highlight2; local os_level; local os_highlight1; local os_highlight2; local Signal; function Prepare(onlyName) source = instance.source; n = instance.parameters.N; local name; name = profile:id() .. "(" .. source:name() .. "," .. n .. ")"; instance:name(name); if onlyName then return ; end 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; font = core.host:execute("createFont", "Wingdings", Size, false, false); first1 = source:first() + 1; pos = instance:addInternalStream(first1, 0); neg = instance:addInternalStream(first1, 0); wmap = core.indicators:create("WMA", pos, n); wman = core.indicators:create("WMA", neg, n); first2 = wmap.DATA:first(); clr = instance.parameters.clrRSI; clrUp = instance.parameters.clrRSIUp; clrDn = instance.parameters.clrRSIDn; RSI = instance:addStream("RSI", core.Line, name, "RSI", clr, first2); RSI:setWidth(instance.parameters.widthRSI); RSI:setStyle(instance.parameters.styleRSI); RSI:setPrecision(2); Signal = instance:addInternalStream(0, 0); trend = instance:addInternalStream(0, 0); RSI:addLevel(0, core.LINE_NONE); RSI:addLevel(instance.parameters.oversold, instance.parameters.level_overboughtsold_style, instance.parameters.level_overboughtsold_width, instance.parameters.level_overboughtsold_color); RSI:addLevel(instance.parameters.overbought, instance.parameters.level_overboughtsold_style, instance.parameters.level_overboughtsold_width, instance.parameters.level_overboughtsold_color); RSI:addLevel(100, core.LINE_NONE); fill = instance.parameters.fill; if fill then clrFill = instance.parameters.clrFill; clrBg = instance.parameters.clrBg; ob_level = instance.parameters.overbought; ob_highlight1 = instance:addInternalStream(first2, 0); ob_highlight2 = instance:addInternalStream(first2, 0); instance:createChannelGroup("ob", "ob", ob_highlight1, ob_highlight2, clrFill, 100 - instance.parameters.transparency); os_level = instance.parameters.oversold; os_highlight1 = instance:addInternalStream(first2, 0); os_highlight2 = instance:addInternalStream(first2, 0); instance:createChannelGroup("os", "os", os_highlight1, os_highlight2, clrFill, 100 - instance.parameters.transparency); end 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 function Update(period, mode) Calculate (period, mode) if Live~= "Live" then period=period-1; Shift=1; else Shift=0; end core.host:execute ("removeLabel", source:serial(period)); if period < first2 then return; end Activate (1, period); end function Calculate (period, mode) if period >= first1 then local diff = source[period] - source[period - 1]; if diff >= 0 then pos[period] = diff; neg[period] = 0; else neg[period] = -diff; pos[period] = 0; end end wmap:update(mode); wman:update(mode); if period >= first2 then local p, n, rs; p = wmap.DATA[period]; n = wman.DATA[period]; if n == 0 then RSI[period] = 0; else rs = p / n; RSI[period] = 100 - (100 / (1 + rs)); end local t; t = trend[period - 1]; if RSI[period - 1] <= ob_level and RSI[period] > ob_level then t = 1; elseif RSI[period - 1] >= os_level and RSI[period] < os_level then t = -1; end if t == 0 then RSI:setColor(period, clr); Signal[period]=0; elseif t == 1 then RSI:setColor(period, clrUp); Signal[period]=1; elseif t == -1 then RSI:setColor(period, clrDn); Signal[period]=-1; end trend[period] = t; else trend[period] = 0; end if fill and period >= first2 then ob_highlight1[period] = RSI[period]; ob_highlight1:setColor(period, clrFill); ob_highlight2[period] = ob_level; if RSI[period] < ob_level then if RSI[period - 1] < ob_level then ob_highlight1[period] = nil; else ob_highlight1:setColor(period, clrBg); end else if RSI[period - 1] < ob_level then ob_highlight1[period - 1] = RSI[period - 1]; ob_highlight1:setColor(period - 1, clrBg); end end os_highlight1[period] = RSI[period]; os_highlight1:setColor(period, clrFill); os_highlight2[period] = os_level; if RSI[period] > os_level then if RSI[period - 1] > os_level then os_highlight1[period] = nil; else os_highlight1:setColor(period, clrBg); end else if RSI[period - 1] > os_level then os_highlight1[period - 1] = RSI[period - 1]; os_highlight1:setColor(period - 1, clrBg); end end end end function ReleaseInstance() core.host:execute("deleteFont", font); end function Activate (id, period) if id == 1 and ON[id] then if Signal[period] == 1 and Signal[period-1] ~= 1 then core.host:execute("drawLabel1", source:serial(period), source:date(period), core.CR_CHART, RSI[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 Signal[period] == -1 and Signal[period-1] ~= -1 then core.host:execute("drawLabel1", source:serial(period), source:date(period), core.CR_CHART, RSI[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() .. " ) " .. 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 Time = " Date : " .. DATA.month.." / ".. DATA.day .." Time: ".. DATA.hour .." / ".. DATA.min .." / ".. DATA.sec; local text = Note .. delim .. Symbol .. delim .. Time; terminal:alertEmail(Email, profile:id(), text); end