-- Id: 24047
-- More information about this indicator can be found at:
-- http://fxcodebase.com/code/viewtopic.php?f=17&t=67386

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-- Indicator profile initialization routine

function Init()
    indicator:name("Directional Positioning Indicator");
    indicator:description("");
    indicator:requiredSource(core.Bar);
    indicator:type(core.Oscillator);
	
	indicator.parameters:addGroup("1. MA Calculation"); 
    indicator.parameters:addInteger("Period1", "Period", "", 8, 2, 2000);
 
	indicator.parameters:addString("Price1", "Power Price", "", "close");
	indicator.parameters:addStringAlternative("Price1","CLOSE", "", "close");
    indicator.parameters:addStringAlternative("Price1", "OPEN", "", "open");
    indicator.parameters:addStringAlternative("Price1", "HIGH", "", "high");
    indicator.parameters:addStringAlternative("Price1", "LOW", "", "low");    
    indicator.parameters:addStringAlternative("Price1", "MEDIAN", "", "median");
    indicator.parameters:addStringAlternative("Price1", "TYPICAL", "", "typical");
    indicator.parameters:addStringAlternative("Price1", "WEIGHTED", "", "weighted");
	
	indicator.parameters:addString("Method1", "MA Method", "Method" , "EMA");
    indicator.parameters:addStringAlternative("Method1", "MVA", "MVA" , "MVA");
    indicator.parameters:addStringAlternative("Method1", "EMA", "EMA" , "EMA");
     indicator.parameters:addStringAlternative("Method1", "LWMA", "LWMA" , "LWMA");
    indicator.parameters:addStringAlternative("Method1", "TMA", "TMA" , "TMA");
    indicator.parameters:addStringAlternative("Method1", "SMMA", "SMMA" , "SMMA");
    indicator.parameters:addStringAlternative("Method1", "KAMA", "KAMA" , "KAMA");
    indicator.parameters:addStringAlternative("Method1", "VIDYA", "VIDYA" , "VIDYA");
    indicator.parameters:addStringAlternative("Method1", "WMA", "WMA" , "WMA");
	
	indicator.parameters:addGroup("2. MA Calculation"); 
    indicator.parameters:addInteger("Period2", "Period", "", 13, 2, 2000);
 
	indicator.parameters:addString("Price2", "Power Price", "", "close");
	indicator.parameters:addStringAlternative("Price2","CLOSE", "", "close");
    indicator.parameters:addStringAlternative("Price2", "OPEN", "", "open");
    indicator.parameters:addStringAlternative("Price2", "HIGH", "", "high");
    indicator.parameters:addStringAlternative("Price2", "LOW", "", "low");    
    indicator.parameters:addStringAlternative("Price2", "MEDIAN", "", "median");
    indicator.parameters:addStringAlternative("Price2", "TYPICAL", "", "typical");
    indicator.parameters:addStringAlternative("Price2", "WEIGHTED", "", "weighted");
	
	indicator.parameters:addString("Method2", "MA Method", "Method" , "EMA");
    indicator.parameters:addStringAlternative("Method2", "MVA", "MVA" , "MVA");
    indicator.parameters:addStringAlternative("Method2", "EMA", "EMA" , "EMA");
     indicator.parameters:addStringAlternative("Method2", "LWMA", "LWMA" , "LWMA");
    indicator.parameters:addStringAlternative("Method2", "TMA", "TMA" , "TMA");
    indicator.parameters:addStringAlternative("Method2", "SMMA", "SMMA" , "SMMA");
    indicator.parameters:addStringAlternative("Method2", "KAMA", "KAMA" , "KAMA");
    indicator.parameters:addStringAlternative("Method2", "VIDYA", "VIDYA" , "VIDYA");
    indicator.parameters:addStringAlternative("Method2", "WMA", "WMA" , "WMA");
	
	
	indicator.parameters:addGroup("3. MA Calculation"); 
    indicator.parameters:addInteger("Period3", "Period", "", 13, 2, 2000);
 
	
	indicator.parameters:addString("Method3", "MA Method", "Method" , "MVA");
    indicator.parameters:addStringAlternative("Method3", "MVA", "MVA" , "MVA");
    indicator.parameters:addStringAlternative("Method3", "EMA", "EMA" , "EMA");
     indicator.parameters:addStringAlternative("Method3", "LWMA", "LWMA" , "LWMA");
    indicator.parameters:addStringAlternative("Method3", "TMA", "TMA" , "TMA");
    indicator.parameters:addStringAlternative("Method3", "SMMA", "SMMA" , "SMMA");
    indicator.parameters:addStringAlternative("Method3", "KAMA", "KAMA" , "KAMA");
    indicator.parameters:addStringAlternative("Method3", "VIDYA", "VIDYA" , "VIDYA");
    indicator.parameters:addStringAlternative("Method3", "WMA", "WMA" , "WMA");
	
	indicator.parameters:addGroup("1. Line Style"); 	
    indicator.parameters:addColor("color1", "Line Color", "", core.rgb(0, 0, 255));
	indicator.parameters:addInteger("style1", "Line Style", "", core.LINE_SOLID);
    indicator.parameters:setFlag("style1", core.FLAG_LEVEL_STYLE);	
	indicator.parameters:addInteger("width1", "Line Width", "", 1, 1, 5);
	
	
	indicator.parameters:addGroup("2. Line Style"); 	
    indicator.parameters:addColor("color2", "Line Color", "", core.rgb(0, 0, 255));
	indicator.parameters:addInteger("style2", "Line Style", "", core.LINE_SOLID);
    indicator.parameters:setFlag("style2", core.FLAG_LEVEL_STYLE);	
	indicator.parameters:addInteger("width2", "Line Width", "", 1, 1, 5);
	
	indicator.parameters:addGroup("Style"); 
	indicator.parameters:addColor("Up", "Up Color", "", core.rgb(0, 255, 0));
	indicator.parameters:addColor("Down", "Down Color", "", core.rgb(255, 0, 0));
	indicator.parameters:addInteger("Transparency", "Transparency", "", 40,0,100);
	 
end

-- Indicator instance initialization routine
-- Processes indicator parameters and creates output streams
-- Parameters block
local Up, Down;
local Method1, Price1, Period1;
local Method2, Price2, Period2; 
local Method2 , Period2;
local first;
local source = nil;
 
local Line1;
local Line2;
local MA1, MA2, MA3;
local LineA;
local LineB;
local Transparency;
-- Routine
 function Prepare(nameOnly)   
 
 
    Up= instance.parameters.Up;
	Down= instance.parameters.Down;
 
 
    Period1= instance.parameters.Period1;
    Method1= instance.parameters.Method1;
    Price1 = instance.parameters.Price1;
	
	Period2= instance.parameters.Period2;
    Method2= instance.parameters.Method2;
    Price2 = instance.parameters.Price2;
	
	Period3= instance.parameters.Period3;
    Method3= instance.parameters.Method3;
	
    Transparency= instance.parameters.Transparency;
    Transparency= 100-Transparency;
 
	
	local Parameters= Period1 ..  ", " .. Method1 ..  ", " .. Price1..  ", " ..Period2 ..  ", " .. Method2 ..  ", " .. Price2..  ", " ..Period3 ..  ", " .. Method3;
 
    local name = profile:id() .. "(" ..  instance.source:name() ..  ", " ..  Parameters .. ")";
    instance:name(name); 


    if   (nameOnly) then
        return;
    end

    
			
    source = instance.source;
    LineA=instance:addInternalStream(0, 0);
	LineB=instance:addInternalStream(0, 0);
	instance:createChannelGroup("Group","Group" , LineA, LineB, Up, Transparency);
  
    assert(core.indicators:findIndicator(Method1) ~= nil, Method1 .. " indicator must be installed");
    MA1 = core.indicators:create(Method1, source[Price1], Period1);
    assert(core.indicators:findIndicator(Method2) ~= nil, Method2 .. " indicator must be installed");
    MA2 = core.indicators:create(Method2, source[Price2], Period2);
    
    first=math.max(MA1.DATA:first(), MA2.DATA:first()); 
   
 
	Line1 = instance:addStream("Line1" , core.Line, "1. Line","1. Line",instance.parameters.color1, first);	
	Line1:setWidth(instance.parameters.width1);
    Line1:setStyle(instance.parameters.style1);
    Line1:setPrecision(math.max(2, source:getPrecision())); 
	
    assert(core.indicators:findIndicator(Method3) ~= nil, Method3 .. " indicator must be installed");
	MA3 = core.indicators:create(Method3, Line1, Period3);
	
	
	Line2 = instance:addStream("Line2" , core.Line, "2. Line","2. Line",instance.parameters.color2, MA3.DATA:first()); 
	Line2:setWidth(instance.parameters.width2);
    Line2:setStyle(instance.parameters.style2);
    Line2:setPrecision(math.max(2, source:getPrecision()));
	
	
	
 
 
end

-- Indicator calculation routine
function Update(period, mode)

   
 
    MA1:update(mode);
    MA2:update(mode);
	
	
    if period < first then
	return;
	end
	
	Line1[period]=MA1.DATA[period]-MA2.DATA[period];
	LineA[period]=Line1[period];
	
	
	MA3:update(mode);
	
	if period < MA3.DATA:first() then
	return;
	end	
	
    Line2[period]=Line1[period]-MA3.DATA[period];
	LineB[period]=Line2[period];
	
	 
	 
	  if Line1[period] > 0 and math.abs(Line1[period]) > math.abs(Line2[period]) then
	  LineA:setColor(period, Up);	 
	  elseif Line1[period] < 0 and math.abs(Line1[period]) > math.abs(Line2[period]) then
	  LineA:setColor(period, Down);
	  elseif Line2[period] > 0 and math.abs(Line1[period]) < math.abs(Line2[period]) then
	  LineA:setColor(period, Up);
	  elseif Line2[period] < 0 and math.abs(Line1[period]) < math.abs(Line2[period]) then
	  LineA:setColor(period, Down);
      end
	
	
	
	
	
				  
end