-- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=65034 --+------------------------------------------------------------------+ --| 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 | --+------------------------------------------------------------------+ -- 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("Candle number"); indicator:description("Candle number"); indicator:requiredSource(core.Bar); indicator:type(core.Indicator); indicator.parameters:addGroup("Style"); indicator.parameters:addColor("Label", "Label Color", "Label Color", core.COLOR_LABEL ); indicator.parameters:addInteger("Size", "Font Size", "Size", 10 ); indicator.parameters:addString("Font", "Font", "Font", "Arial" ); 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 first; local source = nil; local db; local Label; local Size; local Font; -- Streams block local pattern = "([^;]*);([^;]*)"; -- Routine function Prepare(nameOnly) source = instance.source; first = source:first(); Label=instance.parameters.Label; Size=instance.parameters.Size; Font=instance.parameters.Font; local name = profile:id() .. "(" .. source:name() .. ")"; instance:name(name); if (nameOnly) then return; end require("storagedb"); db = storagedb.get_db(name); core.host:execute("addCommand", 1, "Start"); core.host:execute("addCommand", 2, "End"); core.host:execute("addCommand", 3, "Reset"); instance:ownerDrawn(true); end function AsyncOperationFinished(cookie, success, message) Level, Date = string.match(message, pattern, 0); if cookie == 1 then db:put("Start", tostring(Date)); elseif cookie == 2 then db:put("End", tostring(Date)); elseif cookie == 3 then db:put("Start", tostring(0)); db:put("End", tostring(0)); end end -- Indicator calculation routine -- TODO: Add your code for calculation output values function Update(period) end local init= false; function Draw(stage, context) if stage ~= 2 then return ; end if not init then context:createFont (1, Font, context:pointsToPixels (Size), context:pointsToPixels (Size), 0); init= true; end local Start = tonumber(db:get("Start", 0)); local End = tonumber(db:get("End", 0)); if Start ==0 then return; end local X1=-1; X1= core.findDate (source, Start, false); X2= core.findDate (source, End, false); if X1 ==-1 then return; end local Last; if End < Start and End ~= 0 then return; end if X2==-1 or End ==0 then Last=context:lastBar (); else Last=X2; end for p= X1, Last, 1 do Add(context, p, X1) end end function Add(context, p, Start) Test=(p-Start)+1; width, height = context:measureText (1, Test, 0); x, x1, x2 = context:positionOfBar (p); visible, y =context:pointOfPrice (source.high[p]); context:drawText (1, Test, Label, -1, x- width/2, y-height, x+ width/2, y, context.CENTER +context.TOP , 0); end