-- More information about this indicator can be found at:
-- http://fxcodebase.com/code/viewtopic.php?f=17&t=66100

--+------------------------------------------------------------------+
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--|                                            http://fxcodebase.com |
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--|                                      Developed by : Mario Jemic  |                    
--|                                          mario.jemic@gmail.com   |
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function Init()
    indicator:name("Risk Reward Positions Overview");
    indicator:description("");
    indicator:requiredSource(core.Bar);
    indicator:type(core.Indicator);

    indicator.parameters:addGroup("Placement");
    indicator.parameters:addBoolean("PositionCapInstrument", "Use Position Instrument", "", true);
    --indicator.parameters:addBoolean("PositionCapCustomID", "Use Position CustomID", "", true);

    --indicator.parameters:addString("CustomID", "Custom Identifier", "The identifier that can be used to distinguish Position instances", "Enter  Custom Identifier Here");


    indicator.parameters:addGroup("Placement");
    indicator.parameters:addString("Y", " Y Placement","" , "Top");
    indicator.parameters:addStringAlternative("Y", "Top", "Top" , "Top");
    indicator.parameters:addStringAlternative("Y", "Bottom", "Bottom" , "Bottom"); 

    indicator.parameters:addString("X", " X Placement","" , "Left");
    indicator.parameters:addStringAlternative("X", "Right", "Right" , "Right");
    indicator.parameters:addStringAlternative("X", "Left", "Left" , "Left"); 
    indicator.parameters:addInteger("ShiftY", "Shift","" , 3);
    
    
    indicator.parameters:addGroup("Style");
    indicator.parameters:addColor("Label", "Label Color", "", core.rgb(0, 0, 0)); 
    indicator.parameters:addInteger("Size", "Font Size", "", 10);
    indicator.parameters:addColor("color", "Line Color", "", core.rgb(255, 0, 0));
end

-- Indicator instance initialization routine
-- Processes indicator parameters and creates output streams
-- TODO: Refine the first period calculation for each of the output streams.
-- TODO: Calculate all constants, create instances all subsequent indicators and load all required libraries
-- Parameters block

local first;
local source = nil;
local X,Y;
local font;
local Label;
local Size;
local ShiftY;
local PositionCapInstrument;
local Offer;
local ask;
local bid;

 
-- Routine
function Prepare(nameOnly)
    Y=instance.parameters.Y;
    X=instance.parameters.X;  
    ShiftY=instance.parameters.ShiftY;
    Label=instance.parameters.Label;
 
    Size=instance.parameters.Size;   
    source = instance.source;
    first=source:first();
    
    PositionCapInstrument=instance.parameters.PositionCapInstrument;
     
    
    local name = profile:id() .. "(" .. source:name() .. ")";
    instance:name(name);
    if nameOnly then
        return;
    end
       Offer = core.host:findTable("offers"):find("Instrument", source:instrument()).OfferID;
    instance:ownerDrawn(true);
    
    if source:isBid() then
        bid = source;
        ask = core.host:execute("getAskPrice");
    else
        ask = source;
        bid = core.host:execute("getBidPrice");
    end


    
end

-- Indicator calculation routine
-- TODO: Add your code for calculation output values
 
function Update(period)   

  
end
 
local init = false;
 
function Draw(stage, context)
 
      if stage~= 2 then
      return;
      end
    
        if not init then
           context:createFont (1, "Arial", context:pointsToPixels (Size), context:pointsToPixels (Size), 0);
            init = true;
        end
        
    local Number1=0;
    local Number2=0;    
    local Risk="-";
    local Reward="-";
    local PointSize;
    local Bid, Ask;
    
    enum = core.host:findTable("trades"):enumerator();
    row = enum:next();
    while (row ~= nil) do
        -- for every trade for this instance.
        if     ( not PositionCapInstrument or (row.OfferID == Offer and PositionCapInstrument))         
        then
        
        
        if row.Risk==0  or row.Limit ==0 then
        Risk="-";
        Reward="-";
        else
        Risk="1";
        Reward=math.abs(row.Open-row.Limit)/math.abs(row.Close-row.Stop)
        end
        
        Number1=Number1+1;
        Text="";
        PointSize= core.host:findTable("offers"):find("Instrument", row.Instrument).PointSize;
         
          
          local isDigit = tonumber (Reward)
          if isDigit  then
             Reward = math.floor(Reward+0.5);
          end
          Text=  row.TradeID  .. "  " ..    row.Instrument   .. "   " .. row.BS   .. "   " .. Risk ..  ":"   .. Reward .. "   " ..  win32.formatNumber((row.Close-row.Open)/PointSize, false, 2)    ;
           

          width, height = context:measureText (1, Text, 0);
         context:drawText (1,  Text, Label, -1,  iX(context,width,0,1) ,  iY(context,height,Number1+1,0) ,iX(context,width,0,2),iY(context,height,Number1+1,1), 0 );    

                
        end

        row = enum:next();
    end
    
    
                if Number1~= 0 then                 
                 Text= "Active Trader: " ..  Number1 ;
                  width, height = context:measureText (1, Text, 0);
                 context:drawText (1,  Text, Label, -1,  iX(context,width,0,1) ,  iY(context,height,0,0) ,iX(context,width,0,2),iY(context,height,0,1), 0 );                 
                 end
                   
    
 
    enum = core.host:findTable("orders"):enumerator();
    row = enum:next();
    while (row ~= nil) do
        if row.Type == "SE" or row.Type == "LE" then
            if     ( not PositionCapInstrument or (row.OfferID == Offer and PositionCapInstrument)) then
            
            --Rate
            --Stop
            --Limit;
            --Distance
            --PointSize          
                if row.Risk==0  or row.Limit ==0 then
                    Risk="-";
                    Reward="-";
                else
                    Risk="1";
                    local spread = ask[NOW] - bid[NOW];
                    local limitPips = 0;
                    if row.TypeLimit == 3 or row.TypeLimit == 2 then
                        limitPips = math.abs(row.Limit);
                    else
                        limitPips = math.abs(row.Rate-row.Limit);
                    end
                    
                    local stopPips = 0;
                    if row.TypeStop == 3 or row.TypeStop == 2 then
                        stopPips = math.abs(row.Stop);
                    else
                         core.host:trace("math.abs(row.Rate - row.Stop) ".. math.abs(row.Rate - row.Stop));
                        stopPips = (math.abs(row.Rate - row.Stop) - spread);
                    end
                                        
                    Reward=limitPips/stopPips;
                end
        
            Number2=Number2+1;
            Text="";
            local isDigit = tonumber (Reward)
            if isDigit  then
                Reward = math.floor(Reward+0.5);
            end
            Text=  row.TradeID  .. "  " ..    row.Instrument   .. "   " .. row.BS   .. "   " .. Risk ..  ":"   .. Reward .. "   " .. (- row.Distance) ;
         

            width, height = context:measureText (1, Text, 0);
            context:drawText (1,  Text, Label, -1,  iX(context,width,0,1) ,  iY(context,height,Number1+Number2+4,0) ,iX(context,width,0,2),iY(context,height,Number1+Number2+4,1), 0 );                         
            end
        end
        row = enum:next();
    end
    
    if Number2~= 0 then                 
        Text= "Entry Orders: " ..  Number2 ;
        width, height = context:measureText (1, Text, 0);
        context:drawText (1,  Text, Label, -1,  iX(context,width,0,1) ,  iY(context,height,Number1+3,0) ,iX(context,width,0,2),iY(context,height,Number1+3,1), 0 );                 
    end                 
end        
 
 

function iX(context, width,Shift,x)

    if X== "Left" then
        return  context:left()+ Shift*width +  width*(x-1) ;
    else
        return context:right() - width*Shift -  width*(1-(x-1));
    end
end



function iY(context, height,Index , Line)

    if Y== "Top" then
        return context:top()+Index*height +ShiftY*height + Line *height;
    else
        if Line== 1 then
            return context:bottom()-(Index+1)*height -ShiftY*height + height;
        else
            return context:bottom()-(Index+1)*height -ShiftY*height;
        end
    end
end