-- Id: 21379 -- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=66105 --+------------------------------------------------------------------+ --| 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 | --+------------------------------------------------------------------+ function Init() indicator:name("Simple Arithmetic Mean"); indicator:description("Simple Arithmetic Mean"); indicator:requiredSource(core.Bar); indicator:type(core.Oscillator); for i= 1, 7, 1 do Add(i); end indicator.parameters:addGroup( "Style"); indicator.parameters:addColor("color1", "color", "color", core.rgb(0, 255, 0)); 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); end function Add(id) local Pairs={"EUR/USD","USD/JPY","GBP/USD","USD/CHF","AUD/USD","NZD/USD","USD/CAD"}; indicator.parameters:addGroup(id.. ". Pair"); indicator.parameters:addBoolean("On"..id, "Use this pair", "", true); indicator.parameters:addBoolean("Inverse"..id, "Use inverse rate", "", false); indicator.parameters:addString("Select"..id , "Pair", "", Pairs[id]); indicator.parameters:setFlag("Select"..id, core.FLAG_INSTRUMENTS); indicator.parameters:addDouble("Weight"..id , "Weight", "", 1); end -- Indicator instance initialization routine -- Processes indicator parameters and creates output streams -- Parameters block local first; local source = nil; local host; local Weight={}; local Select={}; local last; local data; local instrument; local dayoffset, weekoffset; local SourceData={}; local Inverse={}; local pauto = "(%a%a%a)/(%a%a%a)"; local Index={}; local Number=0; local N; local loading={}; -- Routine function Prepare(nameOnly) source = instance.source; first = source:first(); host = core.host; local name = profile:id() .. "()"; instance:name(name); if nameOnly then return; end local name = profile:id() .. " "; Number=0; for i =1, 7, 1 do if instance.parameters:getBoolean ("On"..i) then Number=Number+1; Select[Number]= instance.parameters:getString ("Select"..i); Weight[Number]= instance.parameters:getDouble ("Weight"..i); Inverse[Number]= instance.parameters:getBoolean ("Inverse"..i); if Inverse[Number] then name= name .. " 1/" .. Select[Number] .. " "; else name= name .." ".. Select[Number].. " "; end end end instance:name(name); if nameOnly then return; end N=Number; local InstrumentFlag=nil; for i = 1, Number, 1 do InstrumentFlag = core.host:findTable("offers"):find("Instrument", Select[i]); assert(InstrumentFlag ~= nil, "Subscribed to " .. Select[i] ); end dayoffset = host:execute("getTradingDayOffset"); weekoffset = host:execute("getTradingWeekOffset"); instrument=source:instrument(); Close = instance:addStream("Mean", core.Line, "Mean", "Mean", instance.parameters.color1, first); Close:setPrecision(math.max(2, instance.source:getPrecision())); Close:setWidth(instance.parameters.width); Close:setStyle(instance.parameters.style); for i= 1, Number , 1 do SourceData[i] = core.host:execute("getSyncHistory",Select[i], source:barSize(), source:isBid(), 0, 200 +i, 100+i); loading[i]=true; end end -- Indicator calculation routine function Update(period ) if period < source:first() then return; end local Flag=false; for i= 1, Number, 1 do if loading[i] then Flag=true; end end if Flag then return; end local p={} local Flag=false; for i= 1, Number, 1 do p[i]= Initialization(period,i) if not p[i] then Flag= true; end end if Flag then return; end local iClose=0; for i= 1, Number, 1 do if Inverse[i] then iClose= iClose+ (1/SourceData[i].close[p[i]]) *Weight[i]; else iClose= iClose+ SourceData[i].close[p[i]] *Weight[i]; end end Close[period]=iClose/Number; end function Initialization(period,id) local Candle; Candle = core.getcandle(source:barSize(), source:date(period), dayoffset, weekoffset); if loading[id] or SourceData[id]:size() == 0 then return false; end if period < source:first() then return false; end local P = core.findDate(SourceData[id], Candle, false); -- candle is not found if P < 0 then return false; else return P; end end -- the function is called when the async operation is finished function AsyncOperationFinished(cookie) local j; local Flag = false; local Count=0; for j = 1, Number, 1 do if cookie == (100+j) then loading[j] = true; elseif cookie == (200+j) then loading[j] = false; end if loading[j] then Count=Count+1; Flag=true; end if Flag then core.host:execute ("setStatus", " Loading ".. (Number-Count) .."/" .. Number); else instance:updateFrom(0); core.host:execute ("setStatus", " Loaded ".. (Number-Count) .."/" .. Number); end end return core.ASYNC_REDRAW ; end