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//+------------------------------------------------------------------+
//|                                                      FXPT_CC.mq4 |
//|                                         Developed by fxprotrader |
//|                                     http://www.fxpro-trader.com" |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2013, fxprotrader"
#property link      "http://www.fxpro-trader.com"

//Description:
//Up=Wait for a bull candle to CLOSE above the HIGH of the last and lowest closed bear candle.
//Dwn=Wait for a bear candle to CLOSE below the LOW of the last and highest closed bull candle
//

//-------- HISTORY----------------
// v0.1 Initial release(02172013)
//--------------------------------
#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 Red
#property indicator_color2 LimeGreen
#property  indicator_width1  2
#property  indicator_width2  2


string FileName="FXPT_PAAlert";

extern int ArrowLoc =   20;//arrow location
extern int BarsBack =   8;//scan back how many bars
extern int MaxBars  =  50;//limit to X Bars on main loop

//---- buffers
double ExtMapBuffer1[];
double ExtMapBuffer2[];

 double Poin;
 int lastFr = 2; //2 : neutral / 1 : up / 0 : down

//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init() {

if (Point == 0.00001) Poin = 0.0001; 
else if (Point == 0.001) Poin = 0.01; 
else Poin = Point; 
//---- 
//---- indicator buffers mapping  
    SetIndexBuffer(0,ExtMapBuffer1);
    SetIndexBuffer(1,ExtMapBuffer2);   
//---- drawing settings
    SetIndexStyle(0,DRAW_ARROW,0,2);
    SetIndexArrow(0,234);
    SetIndexStyle(1,DRAW_ARROW,0,2);
    SetIndexArrow(1,233);
//----
    SetIndexEmptyValue(0,0.0);
    SetIndexEmptyValue(1,0.0);
//---- name for DataWindow
    SetIndexLabel(0,"Signal Up");
    SetIndexLabel(1,"Signal Down");
		
   string short_name = FileName;
   IndicatorShortName(short_name);
   
 //---- initialization done   
  return(0);
  }
//+------------------------------------------------------------------+
//| Custor indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit(){
//---- 
 
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start(){
  
 int x,i,nCountedBars;
     
//temp clear out all
 for (i=0;i<=1000;i++){
  ExtMapBuffer2[i]=0.0;
  ExtMapBuffer1[i]=0.0;
 }

  i=MaxBars;
 double LowestHigh,HighestLow;
 
 while(i>=0){
 bool FrUp=true;
 bool FrDn=true;
 
//---up green---//   
 if(Open[i] < Close[i]){

 LowestHigh=0.0;
 //loop thru last x-find lowest high
 for (x=(i);x<= i+(BarsBack);x++){
  if(Open[x] > Close[x]){
  if(High[x-1] < High[x]){
  //check for last given signal if false set High to LowestHigh
  if(ExtMapBuffer2[x]==0){
  LowestHigh=High[x];
  }
  else{
  break;
  }
  }
  }
 }
//set arrow if close gtr than last lowest high
if(Close[i] > LowestHigh){
 if (FrUp && lastFr != 1){
 ExtMapBuffer2[i]=Low[i]-(ArrowLoc*Poin);
 lastFr = 1;
 FrDn =false;
 }
 }
 }

//---dn red---//
 else if(Open[i] > Close[i]){

 HighestLow=0;
 //loop thru last x-find highest low
 for (x=(i-1);x<= i+(BarsBack-1);x++){
  if(Open[x]< Close[x]){
  if( Low[x-1] < Low[x]){
  //check for last given signal if false set Low to HighestLow
  if(ExtMapBuffer1[x-1]==0){
  HighestLow=Low[x];
  }
  else{
  break;
  }
  }
  }
 }
 
//set arrow if close lt than last highest low
 if(Close[i]< HighestLow){
 if (FrDn && lastFr != 0){ 
 ExtMapBuffer1[i]=High[i]+(ArrowLoc*Poin);
 lastFr = 0;
 FrUp=false;
 }
 }
 }
 
 i--;
 }
 return(0);
 }