-- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=28&t=61403 --+------------------------------------------------------------------+ --| 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("Higher Time Frame Indicator Template"); indicator:description("EMA Template"); indicator:requiredSource(core.Bar); indicator:type(core.Indicator); indicator.parameters:addGroup("Calculation"); indicator.parameters:addInteger("Period", "MA Period", "MA Period", 14); indicator.parameters:addString("TF", "Bar Size to display High/Low", "", "D1"); indicator.parameters:setFlag("TF", core.FLAG_PERIODS); indicator.parameters:addGroup("Style"); indicator.parameters:addColor("color", "Line Color", "", core.rgb(255, 0, 0)); indicator.parameters:addInteger("style", "Line Style", "", core.LINE_SOLID); indicator.parameters:setFlag("style", core.FLAG_LEVEL_STYLE); indicator.parameters:addInteger("width", "Line Width", "", 3, 1, 5); 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 first; local source = nil; local TF; local dayoffset; local weekoffset; local SourceData; local loading = false; local Indicator; -- Streams block local MA = nil; -- Routine function Prepare(nameOnly) local name = profile:id() .. "(" .. instance.source:name() .. ")"; instance:name(name); if (nameOnly) then return; end Period = instance.parameters.Period; source = instance.source; first = source:first(); dayoffset = core.host:execute("getTradingDayOffset"); weekoffset = core.host:execute("getTradingWeekOffset"); TF = instance.parameters.TF; local s1, e1, s2, e2; s1, e1 = core.getcandle(source:barSize(),0, 0, 0); s2, e2 = core.getcandle(TF, 0, 0, 0); assert ((e1 - s1) <= (e2 - s2), "The chosen time frame must be equal to or bigger than the chart time frame!"); local Test = core.indicators:create("MVA", source ,Period); first= Test.DATA:first() ; SourceData = core.host:execute("getSyncHistory", source:instrument(), TF, source:isBid(), first, 100, 101); loading=true; Indicator = core.indicators:create("MVA", SourceData.close, Period); MA = instance:addStream("MA", core.Line, name, "MA", instance.parameters.color, source:first()); MA:setWidth(instance.parameters.width); MA:setStyle(instance.parameters.style); end function Initialization(period) local Candle; Candle = core.getcandle(TF, source:date(period), dayoffset, weekoffset); if loading or SourceData:size() == 0 then return false ; end if period < source:first() then return false; end local p = core.findDate(SourceData, Candle, false); -- candle is not found if p < 0 then return false; else return p; end end -- Indicator calculation routine -- TODO: Add your code for calculation output values function Update(period, mode) local p = Initialization(period) if not p then return; end Indicator:update(mode); if Indicator.DATA:hasData(p) then MA[period] =Indicator.DATA[p]; end end -- the function is called when the async operation is finished function AsyncOperationFinished(cookie) if cookie == 100 then loading = false; instance:updateFrom(0); elseif cookie == 101 then loading = true; end end