-- Id: 21611 -- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=65623 --+------------------------------------------------------------------+ --| 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 | --+------------------------------------------------------------------+ function Init() indicator:name("Bigger candles indicator"); indicator:description("Bigger candles indicator"); indicator:requiredSource(core.Bar); indicator:type(core.Indicator); indicator.parameters:addGroup("Calculation"); indicator.parameters:addString("TF", "Time frame for candles", "", "D1"); indicator.parameters:setFlag("TF", core.FLAG_PERIODS); indicator.parameters:addGroup("Style"); indicator.parameters:addColor("Up", "Up Color", "Color", core.rgb(0, 255, 0)); indicator.parameters:addColor("Down", "Down Color", "Color", core.rgb(255,0, 0)); indicator.parameters:addColor("Line", "Line Color", "Color", core.rgb(0,0, 0)); indicator.parameters:addInteger("Transparency", "Transparency", "0 - opaque, 100 - transparent", 85, 0, 100); indicator.parameters:addGroup("Alerts"); indicator.parameters:addBoolean("AlertCandle","Show alert for new candle", "Show alert on new candle appears.", true); indicator.parameters:addBoolean("PlaySound", "Play Sound", "", true); indicator.parameters:addBoolean("RecurrentSound", "Recurrent Sound", "", false); indicator.parameters:addFile("Sound", "Alert Sound", "", ""); indicator.parameters:setFlag("Sound", core.FLAG_SOUND); end local first; local source = nil; local TF; local TradingDayOffset, TradingWeekOffset; local Transparency; local LastEndCandle; local AlertCandle; local last_period; local Sound; local RecurrentSound ,SoundFile ; local PlaySound; local Source, loading; function Prepare(onlyName) TF=instance.parameters.TF; AlertCandle=instance.parameters.AlertCandle; source = instance.source; first = source:first()+2; local name = profile:id() .. "(" .. source:name() .. ", " .. instance.parameters.TF .. ")"; instance:name(name); if onlyName then return ; end RecurrentSound= instance.parameters.RecurrentSound; Show= instance.parameters.Show; PlaySound = instance.parameters.PlaySound; if PlaySound then Sound=instance.parameters.Sound; else Sound=nil; end assert(not(PlaySound) or (PlaySound and Sound ~= "") or (PlaySound and Sound ~= ""), "Sound file must be chosen"); local s, e, s1, e1; s, e = core.getcandle(source:barSize(), core.now(), 0, 0); s1, e1 = core.getcandle(TF, core.now(), 0, 0); assert ((e - s) <= (e1 - s1), "The chosen time frame must be equal to or bigger than the chart time frame!"); instance:ownerDrawn(true); TradingDayOffset = core.host:execute("getTradingDayOffset"); TradingWeekOffset = core.host:execute("getTradingWeekOffset"); instance:setLabelColor(instance.parameters.Up); Source = core.host:execute("getSyncHistory", source:instrument(), TF, source:isBid(), first, 100, 101); loading=true; end function Update(period, mode) if period < source:size()-1 then last_period = source:size()-1; return; end if not AlertCandle then return; end local beginCandle, endCandle = core.getcandle(TF, source:date(period), TradingDayOffset, TradingWeekOffset); if source:date(period) >= beginCandle and source:date(period-1)< beginCandle then ShowAlertOnNewCandleAppears(source:instrument(), source.close[period], source:date(period),period); end end local init = false; function Draw(stage, context) if stage ~=0 or loading then return; end if not init then context:createSolidBrush(1, instance.parameters.Up); context:createSolidBrush(2, instance.parameters.Down); context:createPen(3, context.SOLID, 3, instance.parameters.Line); Transparency=context:convertTransparency(instance.parameters.Transparency); init = true; end local firstIndex = context:firstBar(); local lastIndex = context:lastBar(); for Index= Source:first(), Source:size()-1 , 1 do if Source:date(Index)> source:date(firstIndex) then local beginCandle, endCandle = core.getcandle(TF, Source:date(Index), TradingDayOffset, TradingWeekOffset); visible, H =context:pointOfPrice (Source.high[Index]); visible, L =context:pointOfPrice (Source.low[Index]); visible, O =context:pointOfPrice (Source.open[Index]); visible, C =context:pointOfPrice (Source.close[Index]); X1, x = context:positionOfDate (beginCandle); X2, x = context:positionOfDate (endCandle); if Source.close[Index] > Source.open[Index] then context:drawRectangle(-1, 1, X1, H, X2, L,Transparency); else context:drawRectangle(-1, 2, X1, H, X2, L,Transparency); end context:drawLine (3, X1, O, X2, O ); context:drawLine (3, X1, C, X2, C ); end end end function ShowAlertOnNewCandleAppears(instrument, price, time,period) if last_period== period then return; end last_period= period; terminal:alertMessage (instrument, price, "New higher time frame candle appears.", time); if PlaySound then terminal:alertSound(Sound, RecurrentSound); end end function AsyncOperationFinished(cookie) if cookie == 100 then loading = false; instance:updateFrom(0); elseif cookie == 101 then loading = true; end end