-- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=28&t=61403&start=30 --+------------------------------------------------------------------+ --| 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 | --| BitCoin : 15VCJTLaz12Amr7adHSBtL9v8XomURo9RF | --| BitCoin Cash: 1BEtS465S3Su438Kc58h2sqvVvHK9Mijtg | --| Ethereum : 0x8C110cD61538fb6d7A2B47858F0c0AaBd663068D | --| LiteCoin : LLU8PSY2vsq7B9kRELLZQcKf5nJQrdeqwD | --+------------------------------------------------------------------+ -- 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("On Chart Oscillator template"); indicator:description("On Chart Oscillator template"); indicator:requiredSource(core.Bar); indicator:type(core.Indicator); indicator.parameters:addGroup("Indicator Calculation"); indicator.parameters:addString("Position", "Overlay Position", "", "B"); indicator.parameters:addStringAlternative("Position", "Bottom", "", "B"); indicator.parameters:addStringAlternative("Position", "Top", "", "T"); indicator.parameters:addStringAlternative("Position", "Central", "", "C"); indicator.parameters:addInteger("Period", "Period", "Period", 14); 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:addDouble("OB_Level", "OB Level", "Level", 70); indicator.parameters:addDouble("OS_Level", "OS Level", "Level", 30); indicator.parameters:addGroup("Indicator Style"); indicator.parameters:addColor("color", "Color of Indicator", "Color of Indicator", core.rgb(0, 0, 255)); indicator.parameters:addInteger("width", "Line width", "", 1, 1, 5); indicator.parameters:addInteger("style", "Line style", "", core.LINE_SOLID); indicator.parameters:setFlag("style", core.FLAG_LINE_STYLE); indicator.parameters:addGroup("Overlay Style"); indicator.parameters:addColor("OB_color", "OB Line Color", "", core.rgb(255, 0, 0)); indicator.parameters:addColor("OS_color", "OS Line Color", "", core.rgb(0, 255, 0)); indicator.parameters:addInteger("Zone_width", "Line width", "", 1, 1, 5); indicator.parameters:addInteger("Zone_style", "Line style", "", core.LINE_SOLID); indicator.parameters:setFlag("Zone_style", core.FLAG_LINE_STYLE); end -- 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 Period; local Price; local first; local source = nil; -- Streams block local Indicator = nil; local OB, OS,Position; local OB_Level, OS_Level; -- Routine function Prepare(nameOnly) local name = profile:id() .. "(" .. instance.source:name() .. ")"; instance:name(name); if (nameOnly) then return; end Position = instance.parameters.Position; Top = instance.parameters.Top; Bottom = instance.parameters.Bottom; OB = instance.parameters.OB; OS = instance.parameters.OS; Price = instance.parameters.Price; Period = instance.parameters.Period; OB_Level= instance.parameters.OB_Level; OS_Level= instance.parameters.OS_Level; source = instance.source; Indicator = core.indicators:create("RSI", source[Price] , Period); first = Indicator.DATA:first(); min=nil; max=nil; instance:ownerDrawn(true); Oscillator = instance:addStream("Oscillator" , core.Line, " Oscillator"," Oscillator",core.rgb(0, 0, 255), first ); Oscillator:setStyle (core.LINE_NONE); end -- Indicator calculation routine -- TODO: Add your code for calculation output values function Update(period, mode) Indicator:update(mode); Oscillator[period]=Indicator.DATA[period]; end local init = false; function Draw(stage, context) if stage ~= 2 then return; end if not init then context:createPen (1, context:convertPenStyle (instance.parameters.style), instance.parameters.width, instance.parameters.color); context:createPen (2, context:convertPenStyle (instance.parameters.Zone_style), instance.parameters.Zone_width, instance.parameters.OB_color); context:createPen (3, context:convertPenStyle (instance.parameters.Zone_style), instance.parameters.Zone_width, instance.parameters.OS_color); init = true; end local Delta=(context:bottom ()-context:top ())/4; if Position== "T" then Top = context:top (); Bottom = context:top()+Delta; elseif Position== "B" then Top = context:bottom ()-Delta; Bottom = context:bottom(); else Top = context:bottom ()-(context:bottom ()-context:top ())/2 -Delta/2; Bottom = context:bottom()-(context:bottom ()-context:top ())/2+ Delta/2; end --1000 - (250/100) * 70 = 825 y1= Bottom - (Delta/100) * OB_Level;--70 y2= Bottom - (Delta/100) * OS_Level;--30 context:drawLine (2, context:left (), y1, context:right (), y1); context:drawLine (3, context:left (), y2, context:right (), y2); for period=math.max(Indicator.DATA:first(), context:firstBar ())+1, math.min(source:size()-1, context:lastBar ()), 1 do y1= Bottom - (Delta/100) * Indicator.DATA[period-1]; y2= Bottom - (Delta/100) * Indicator.DATA[period]; x1, x, x = context:positionOfBar (period-1); x2, x, x = context:positionOfBar (period); context:drawLine (1, x1, y1, x2, y2); end end