-- More information about this indicator can be found at: -- http://fxcodebase.com/code/viewtopic.php?f=17&t=883 -- Id: 534 --+------------------------------------------------------------------+ --| Copyright © 2018, Gehtsoft USA LLC | --| http://fxcodebase.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("Sample Day-based oscillator"); indicator:description("Developed exclusively to show on how to use the Day as the base of the custom indicator"); indicator:requiredSource(core.Bar); indicator:type(core.Oscillator); indicator.parameters:addGroup("Calculation"); indicator.parameters:addString("Mode", "The Indicator Mode", "", "P"); indicator.parameters:addStringAlternative("Mode", "Net Change", "", "N"); indicator.parameters:addStringAlternative("Mode", "Percent Change", "", "P"); indicator.parameters:addBoolean("Show", "Show Levels", "", false); indicator.parameters:addGroup("Style"); indicator.parameters:addColor("color", "Color of the oscillator line", "", core.rgb(255, 0, 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); indicator.parameters:addGroup("Levels"); indicator.parameters:addDouble("level1","1. Level","", 0); indicator.parameters:addColor("color1", "1. Line Color","", core.rgb(128, 128, 128)); indicator.parameters:addInteger("width1","1. Line width","", 1, 1, 5); indicator.parameters:addInteger("style1", "1. Line Style","", core.LINE_SOLID); indicator.parameters:setFlag("style1", core.FLAG_LEVEL_STYLE); indicator.parameters:addDouble("level2","2. Level","", 0.25); indicator.parameters:addColor("color2", "2. Line Color","", core.rgb(0, 255, 255)); indicator.parameters:addInteger("width2","2. Line width","", 1, 1, 5); indicator.parameters:addInteger("style2", "2. Line Style","", core.LINE_SOLID); indicator.parameters:setFlag("style2", core.FLAG_LEVEL_STYLE); indicator.parameters:addDouble("level3","3. Level","", 0.5); indicator.parameters:addColor("color3", "3. Line Color","", core.rgb(0, 128, 255)); indicator.parameters:addInteger("width3","3. Line width","", 1, 1, 5); indicator.parameters:addInteger("style3", "3. Line Style","", core.LINE_SOLID); indicator.parameters:setFlag("style3", core.FLAG_LEVEL_STYLE); indicator.parameters:addDouble("level4","4. Level","", 0.75); indicator.parameters:addColor("color4", "4. Line Color","", core.rgb(0, 0, 255)); indicator.parameters:addInteger("width4","4. Line width","", 1, 1, 5); indicator.parameters:addInteger("style4", "4. Line Style","", core.LINE_SOLID); indicator.parameters:setFlag("style4", core.FLAG_LEVEL_STYLE); indicator.parameters:addDouble("level5","5. Level","", 1); indicator.parameters:addColor("color5", "5. Line Color","", core.rgb(255, 0, 0)); indicator.parameters:addInteger("width5","5. Line width","", 1, 1, 5); indicator.parameters:addInteger("style5", "5. Line Style","", core.LINE_SOLID); indicator.parameters:setFlag("style5", core.FLAG_LEVEL_STYLE); indicator.parameters:addDouble("level6","6. Level","", 1.25); indicator.parameters:addColor("color6", "6. Line Color","", core.rgb(255, 128, 64)); indicator.parameters:addInteger("width6","6. Line width","", 1, 1, 5); indicator.parameters:addInteger("style6", "6. Line Style","", core.LINE_SOLID); indicator.parameters:setFlag("style6", core.FLAG_LEVEL_STYLE); indicator.parameters:addDouble("level7","7. Level","", 1.5); indicator.parameters:addColor("color7", "7. Line Color","", core.rgb(0, 255, 0)); indicator.parameters:addInteger("width7","7. Line width","", 1, 1, 5); indicator.parameters:addInteger("style7", "7. Line Style","", core.LINE_SOLID); indicator.parameters:setFlag("style7", core.FLAG_LEVEL_STYLE); end local source; local Source; local TF="D1"; local loading; local host; local dayoffset; local weekoffset; local Mode; local Show; -- Day results local O; -- open local OUT = nil; function Prepare(nameOnly) InitDay(); Mode = instance.parameters.Mode; Show = instance.parameters.Show; local name; name = profile:id() .. "(" .. source:name() .. "," .. Mode .. ")"; instance:name(name); if nameOnly then return; end OUT = instance:addStream("O", core.Line, name .. ".O", "O", instance.parameters.color, 0); OUT:setPrecision(math.max(2, instance.source:getPrecision())); OUT:setWidth(instance.parameters.width); OUT:setStyle(instance.parameters.style); if Show then OUT:addLevel(instance.parameters.level1, instance.parameters.style1, instance.parameters.width1, instance.parameters.color1); OUT:addLevel(-(instance.parameters.level1), instance.parameters.style1, instance.parameters.width1, instance.parameters.color1); OUT:addLevel(instance.parameters.level2, instance.parameters.style2, instance.parameters.width2, instance.parameters.color2); OUT:addLevel(-(instance.parameters.level2), instance.parameters.style2, instance.parameters.width2, instance.parameters.color2); OUT:addLevel(instance.parameters.level3, instance.parameters.style3, instance.parameters.width3, instance.parameters.color3); OUT:addLevel(-(instance.parameters.level3), instance.parameters.style3, instance.parameters.width3, instance.parameters.color3); OUT:addLevel(instance.parameters.level4, instance.parameters.style4, instance.parameters.width4, instance.parameters.color4); OUT:addLevel(-(instance.parameters.level4), instance.parameters.style4, instance.parameters.width4, instance.parameters.color4); OUT:addLevel(instance.parameters.level5, instance.parameters.style5, instance.parameters.width5, instance.parameters.color5); OUT:addLevel(-(instance.parameters.level5), instance.parameters.style5, instance.parameters.width5, instance.parameters.color5); OUT:addLevel(instance.parameters.level6, instance.parameters.style6, instance.parameters.width6, instance.parameters.color6); OUT:addLevel(-(instance.parameters.level6), instance.parameters.style6, instance.parameters.width6, instance.parameters.color6); OUT:addLevel(instance.parameters.level7, instance.parameters.style7, instance.parameters.width7, instance.parameters.color7); OUT:addLevel(-(instance.parameters.level7), instance.parameters.style7, instance.parameters.width7, instance.parameters.color7); end Source = core.host:execute("getSyncHistory", source:instrument(), TF, source:isBid(), 0, 100, 101); loading=true; end function Initialization(period) local Candle; Candle = core.getcandle(TF, source:date(period), dayoffset, weekoffset); if loading or Source:size() == 0 then return false ; end if period < source:first() then return false; end local p = core.findDate(Source, Candle, false); -- candle is not found if p < 0 then return false; else return p; end end function Update(period ) local p = Initialization(period) if not p then return; end if Mode == "P" then OUT[period] = (source.close[period] - Source.open[p]) / Source.open[p] * 100; else OUT[period] = (source.close[period] - Source.open[p]) / source:pipSize(); end end function AsyncOperationFinished(cookie) if cookie == 100 then loading = false; instance:updateFrom(0); elseif cookie == 101 then loading = true; end end function InitDay() host = core.host; dayoffset = host:execute("getTradingDayOffset"); weekoffset = host:execute("getTradingWeekOffset"); source = instance.source; -- validate local l1, l2; local s, e; s, e = core.getcandle(source:barSize(), core.now(), 0); l1 = e - s; s, e = core.getcandle(TF, core.now(), 0); l2 = e - s; assert(l1 <= l2, "The source frame must be shorter or equal to the day timeframe"); end