-- Id: 3704 -- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=3987 --+------------------------------------------------------------------+ --| 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 timeframe Candle") indicator:description("") indicator:requiredSource(core.Bar) indicator:type(core.Indicator) indicator.parameters:addGroup("Calculation") indicator.parameters:addString("BS", "Time frame", "", "D1") indicator.parameters:setFlag("BS", core.FLAG_PERIODS) indicator.parameters:addInteger("DOJI", "Max. Doji Body Lengt", "In Pips", 10, 1, 10000) indicator.parameters:addInteger("Wick", "Wick as percentage of candle body", "As percentage", 10, 1, 10000) indicator.parameters:addGroup("Style") indicator.parameters:addColor("UP_Color", "Color for UP", "Color for UP", core.rgb(0, 255, 0)) indicator.parameters:addColor("DOWN_Color", "Color for DOWN", "Color for DOWN", core.rgb(255, 0, 0)) indicator.parameters:addColor("DOJI_Color", "Color for Doji", "Color for DOJI", core.rgb(128, 128, 128)) indicator.parameters:addInteger("transparency", "Transparency", "", 70, 0, 100) end local source -- the source local bf_data = nil -- the high/low data local BS local bf_length -- length of the bigger frame in seconds local dates -- candle dates local host local day_offset local week_offset local extent local dummy local FIRST = true local DOJI local UP_Color, DOJI_Color, DOWN_Color local transparency local Wick function Prepare(nameOnly) DOJI = instance.parameters.DOJI source = instance.source host = core.host UP_Color = instance.parameters.UP_Color DOJI_Color = instance.parameters.DOJI_Color DOWN_Color = instance.parameters.DOWN_Color Wick = instance.parameters.Wick day_offset = host:execute("getTradingDayOffset") week_offset = host:execute("getTradingWeekOffset") BS = instance.parameters.BS extent = 20 local s, e, s1, e1 s, e = core.getcandle(source:barSize(), core.now(), 0, 0) s1, e1 = core.getcandle(BS, core.now(), 0, 0) assert((e - s) <= (e1 - s1), "The chosen time frame must be bigger than the chart time frame!") bf_length = math.floor((e1 - s1) * 86400 + 0.5) local name = profile:id() .. "(" .. source:name() .. "," .. BS .. "," .. DOJI .. ")" instance:name(name) if nameOnly then return end dummy = instance:addInternalStream(0, 0) instance:ownerDrawn(true) end local FLAG = nil local loading = false local loadingFrom, loadingTo local pday = nil -- the function which is called to calculate the period function Update(period, mode) -- get date and time of the hi/lo candle in the reference data local bf_candle bf_candle = core.getcandle(BS, source:date(period), day_offset, week_offset) -- if data for the specific candle are still loading -- then do nothing if loading and bf_candle >= loadingFrom and (loadingTo == 0 or bf_candle <= loadingTo) then return end -- if the period is before the source start -- the do nothing if period < source:first() then return end -- if data is not loaded yet at all -- load the data if bf_data == nil then -- there is no data at all, load initial data local to, t local from if (source:isAlive()) then -- if the source is subscribed for updates -- then subscribe the current collection as well to = 0 else -- else load up to the last currently available date t, to = core.getcandle(BS, source:date(period), day_offset, week_offset) end from = core.getcandle(BS, source:date(source:first()), day_offset, week_offset) dummy:setBookmark(1, period) -- shift so the bigger frame data is able to provide us with the stoch data at the first period from = math.floor(from * 86400 - (bf_length * extent) + 0.5) / 86400 local nontrading, nontradingend nontrading, nontradingend = core.isnontrading(from, day_offset) if nontrading then -- if it is non-trading, shift for two days to skip the non-trading periods from = math.floor((from - 2) * 86400 - (bf_length * extent) + 0.5) / 86400 end loading = true loadingFrom = from loadingTo = to bf_data = host:execute("getHistory", 1, source:instrument(), BS, loadingFrom, to, source:isBid()) return end -- check whether the requested candle is before -- the reference collection start if (bf_candle < bf_data:date(0)) then dummy:setBookmark(1, period) if loading then return end -- shift so the bigger frame data is able to provide us with the stoch data at the first period from = math.floor(bf_candle * 86400 - (bf_length * extent) + 0.5) / 86400 local nontrading, nontradingend nontrading, nontradingend = core.isnontrading(from, day_offset) if nontrading then -- if it is non-trading, shift for two days to skip the non-trading periods from = math.floor((from - 2) * 86400 - (bf_length * extent) + 0.5) / 86400 end loading = true loadingFrom = from loadingTo = bf_data:date(0) host:execute("extendHistory", 1, bf_data, loadingFrom, loadingTo) return end -- check whether the requested candle is after -- the reference collection end if (not (source:isAlive()) and bf_candle > bf_data:date(bf_data:size() - 1)) then dummy:setBookmark(1, period) if loading then return end loading = true loadingFrom = bf_data:date(bf_data:size() - 1) loadingTo = bf_candle host:execute("extendHistory", 1, bf_data, loadingFrom, loadingTo) return end end -- the function is called when the async operation is finished function AsyncOperationFinished(cookie) loading = false instance:updateFrom(0) end function Draw(stage, context) if stage ~= 0 then return end if not init then context:createSolidBrush(1, UP_Color) context:createSolidBrush(2, DOWN_Color) context:createSolidBrush(3, DOJI_Color) transparency = context:convertTransparency(instance.parameters.transparency) init = true end bf_first, x = core.getcandle(BS, source:date(context:firstBar()), day_offset, week_offset) x, bf_last = core.getcandle(BS, source:date(context:lastBar()), day_offset, week_offset) bf_first = core.findDate(bf_data, bf_first, false) bf_last = core.findDate(bf_data, bf_last, false) if bf_first == -1 or bf_last == -1 then return end --for period= math.max( bf_data.close:first(), bf_first), math.min( bf_data.close:size()-1, bf_last), 1 do for period = bf_first, bf_last, 1 do Add(context, period) end end function Add(context, period) if not bf_data:hasData(period) then return end start_date, end_date = core.getcandle(BS, bf_data:date(period), day_offset, week_offset) p1 = core.findDate(source, start_date, false) if p1 == -1 then return end p2 = core.findDate(source, end_date, false) if p2 == -1 then return end Low = bf_data.low[period] High = bf_data.high[period] Open = bf_data.open[period] Close = bf_data.close[period] visible, H = context:pointOfPrice(math.max(Open, Close)) visible, L = context:pointOfPrice(math.min(Open, Close)) visible, high = context:pointOfPrice(High) visible, low = context:pointOfPrice(Low) x, x1 = context:positionOfBar(p1) x, _, x2 = context:positionOfBar(p2) Delta = (x2 - x1) x = x1 + Delta / 2 Percentage = (Delta / 100) * Wick if DOJI > math.abs(Close - Open) / source:pipSize() then context:drawRectangle(-1, 3, x1, H, x2, L, transparency) context:drawRectangle(-1, 3, x - Percentage, high, x + Percentage, H, transparency) context:drawRectangle(-1, 3, x - Percentage, L, x + Percentage, low, transparency) elseif Close > Open then context:drawRectangle(-1, 1, x1, H, x2, L, transparency) context:drawRectangle(-1, 1, x - Percentage, high, x + Percentage, H, transparency) context:drawRectangle(-1, 1, x - Percentage, L, x + Percentage, low, transparency) elseif Close < Open then context:drawRectangle(-1, 2, x1, H, x2, L, transparency) context:drawRectangle(-1, 2, x - Percentage, high, x + Percentage, H, transparency) context:drawRectangle(-1, 2, x - Percentage, L, x + Percentage, low, transparency) end end