-- Id: 2626
-- More information about this indicator can be found at:
-- http://fxcodebase.com/code/viewtopic.php?f=17&t=2949

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function Init()
    indicator:name("Other candles indicator");
    indicator:description("Other candles indicator");
    indicator:requiredSource(core.Bar);
    indicator:type(core.Oscillator);
end

local first;
local source = nil;
local open = nil;
local high = nil;
local low = nil;
local close = nil;

function Prepare(nameOnly)
    source = instance.source;
    local name = profile:id() .. "(" .. source:name() .. ")";
    instance:name(name);
    if nameOnly then
        return;
    end
    first = source:first();
    open = instance:addStream("open", core.Line, name, "open", core.rgb(0, 0, 0), first)
    open:setPrecision(math.max(2, instance.source:getPrecision()));
    high = instance:addStream("high", core.Line, name, "high", core.rgb(0, 0, 0), first)
    high:setPrecision(math.max(2, instance.source:getPrecision()));
    low = instance:addStream("low", core.Line, name, "low", core.rgb(0, 0, 0), first)
    low:setPrecision(math.max(2, instance.source:getPrecision()));
    close = instance:addStream("close", core.Line, name, "close", core.rgb(0, 0, 0), first)
    close:setPrecision(math.max(2, instance.source:getPrecision()));
    instance:createCandleGroup("OtherCandles", "OtherCandles", open, high, low, close);
end

function Update(period, mode)
   if (period>first) then
    open[period]=0;
    close[period]=source.close[period]-source.open[period];
    high[period]=source.high[period]-source.open[period];
    low[period]=source.low[period]-source.open[period];
   end 
end