KaufWMAcross

//+------------------------------------------------------------------+
//|                                                 KaufWMAcross.mq4 |
//|                      Copyright © 2007, MetaQuotes Software Corp. |
//|                                        http://www.metaquotes.net |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2007, MetaQuotes Software Corp."
#property link "http://www.metaquotes.net"

#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 Blue
#property indicator_color2 Red
//---- input parameters
extern int KaufPeriod = 9;
extern int WMAPeriod = 5;
//---- buffers
double ExtMapBuffer1[];
double ExtMapBuffer2[];
//----
double kf0,kf1,wma0,wma1;
int    nShift;
datetime Newbar;  
bool Alerts_on= true; 
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
//---- indicators
    SetIndexStyle(0, DRAW_ARROW, 0, 1);
    SetIndexArrow(0, 233);
    SetIndexBuffer(0, ExtMapBuffer1);
//----
    SetIndexStyle(1, DRAW_ARROW, 0, 1);
    SetIndexArrow(1, 234);
    SetIndexBuffer(1, ExtMapBuffer2);
//---- name for DataWindow and indicator subwindow label
    IndicatorShortName("KaufWMAcrosses("+KaufPeriod+","+WMAPeriod);
    SetIndexLabel(0, "CrossUp");
    SetIndexLabel(1, "CrossDn"); 
//----
    switch(Period())
      {
        case     1: nShift = 1;   break;    
        case     5: nShift = 3;   break; 
        case    15: nShift = 5;   break; 
        case    30: nShift = 10;  break; 
        case    60: nShift = 15;  break; 
        case   240: nShift = 20;  break; 
        case  1440: nShift = 80;  break; 
        case 10080: nShift = 100; break; 
        case 43200: nShift = 200; break;               
      }
//----
    return(0);
  }
//+------------------------------------------------------------------+
//| Custor indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit()
  {
//----
    return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()
  {
    int limit;
    int counted_bars = IndicatorCounted();
//---- check for possible errors
    if(counted_bars < 0) 
        return(-1);
//---- last counted bar will be recounted
    if(counted_bars > 0) 
        counted_bars--;
    limit = Bars - counted_bars;
//----
   
   
   
   
    for(int i = 0; i < limit; i++)
      {
        kf1 = iCustom(NULL, 0,"Kaufman2",KaufPeriod,2,30,2, 0, i + 1);
        kf0 = iCustom(NULL, 0,"Kaufman2",KaufPeriod,2,30,2, 0, i);
        wma1 = iMA(NULL, 0, WMAPeriod, 0,MODE_LWMA,PRICE_CLOSE, i + 1);
        wma0 = iMA(NULL, 0, WMAPeriod, 0,MODE_LWMA,PRICE_CLOSE, i ); 
        //----
     
     
        
        if(kf1 > wma1 && kf0 < wma0)
           { ExtMapBuffer1[i] = Low[i] - nShift*Point; 
           if(Alerts_on && Newbar!=Time[0])
           Alert("WMA crossed KaufamnMA to the Upside in the "+Period()+" minute "+Symbol()+" chart");}
        //----
        if(kf1 < wma1 && kf0 > wma0)
            {ExtMapBuffer2[i] = High[i] + nShift*Point;
            if(Alerts_on && Newbar!=Time[0])
             Alert("WMA crossed KaufamnMA to the Downside in the "+Period()+" minute "+Symbol()+" chart");}
         Newbar=Time[0];
         
       }
      




//----
    return(0);
  }
//+------------------------------------------------------------------+