-- Id: 10220 -- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=59647 --+------------------------------------------------------------------+ --| 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("Generic Index"); indicator:description("Generic Index"); indicator:requiredSource(core.Bar); indicator:type(core.Oscillator); indicator.parameters:addGroup("Selektor"); local i; local Default={"USD", "EUR", "GBP","JPY", "CHF", "AUD", "NZD", "CAD"}; indicator.parameters:addString("Default", "Index Default", "", "USD"); for i= 1, 8, 1 do indicator.parameters:addStringAlternative("Default", Default[i], Default[i],Default[i]); end indicator.parameters:addBoolean("Inverse" , "Inverse", "", false); Parameters (1 , "EUR/USD" ); Parameters (2 , "USD/JPY" ); Parameters (3, "GBP/USD"); Parameters (4 ,"USD/CHF"); Parameters (5 , "USD/CAD"); Parameters (6 , "NZD/USD" ); Parameters (7 , "AUD/USD" ); Parameters (8, "USD/SEK"); Parameters (9 ,"USD/RUB"); Parameters (10 , "XAU/USD"); indicator.parameters:addGroup("Style"); indicator.parameters:addColor("Color", "Line Color", "", core.rgb(0, 0, 255)); end function Parameters (id , Instrument ) indicator.parameters:addGroup(id ..". Instruments"); indicator.parameters:addBoolean("On"..id , "Use This Instrument", "", true); indicator.parameters:addString("Instrument"..id, "Instruments", "", Instrument); indicator.parameters:setFlag("Instrument"..id, core.FLAG_INSTRUMENTS ); end local loading={}; local SourceData={}; local Instrument={}; local Color; local Num; local Index; local On={}; local ScaleFactor; local Default; local pdate = "(%a%a%a)/(%a%a%a)"; local Weight={}; local Inverse; function Prepare(nameOnly) source = instance.source; Default = instance.parameters.Default; Inverse = instance.parameters.Inverse; local name = "(" .. profile:id() .. "," .. instance.source:name().. "," .. source:barSize().. ")" instance:name(name); if (nameOnly) then return; end Color = instance.parameters.Color; Num=0; local First, Second; for i = 1 , 10 , 1 do On[i]= instance.parameters:getBoolean ("On"..i); First, Second= string.match( instance.parameters:getString ("Instrument"..i), pdate); if On[i] then if First== Default or Second== Default then Num = Num+1; Instrument[Num]= instance.parameters:getString ("Instrument"..i); else error( i.. ". Instrument " ..instance.parameters:getString ("Instrument"..i) .. " does not contain ".. Default); end end end local i; for i = 1, Num, 1 do SourceData[i] = core.host:execute("getSyncHistory", Instrument[i], source:barSize(), source:isBid(), 0 ,20000 +i , 10000 + i); loading[i] = true; end local X=1; for j = 1, Num, 1 do First, Second= string.match( Instrument[j], pdate); if First== Default then Weight[j]=1/Num; else Weight[j]=-1/Num; end if Inverse then Weight[j]=Weight[j]*-1; end X= X*(( 1)^(Weight[j])) ; end ScaleFactor=100/X; Index = instance:addStream("Index", core.Line, Default .. " Index", Default.." Index", Color, source:first()); Index:setPrecision(math.max(2, instance.source:getPrecision())); end function Update(period) if period < source:first() then return end local FLAG=false; local i; for i = 1, Num, 1 do if loading[i] then FLAG= true; end end if FLAG then return; end local X=1; local j; for j = 1, Num, 1 do if SourceData[j].close:hasData(period) then X= X*(( SourceData[j].close[period]/SourceData[j].close[SourceData[j]:first()])^Weight[j]) ; end end Index[period]= X*ScaleFactor; end -- the function is called when the async operation is finished function AsyncOperationFinished(cookie) local i; for i = 1, Num, 1 do if cookie == ( 10000 + i) then loading[i] = true; elseif cookie == (20000+ i) then loading[i] = false; end end local FLAG=false; local Number=0; for i = 1, Num, 1 do if loading[i] then FLAG= true; Number=Number+1; end end if FLAG then core.host:execute ("setStatus", " Loading "..((Num - Number) .. " / " .. (Num) )); else core.host:execute ("setStatus", "Loaded") instance:updateFrom(0); end return core.ASYNC_REDRAW ; end