!!Color Stochastic.mq4

//+------------------------------------------------------------------+
//|                                             Color Stochastic.mq4 |
//|                                                           mladen |
//|                                                                  |
//+------------------------------------------------------------------+
#property copyright "mladen"
#property link      ""

#property indicator_separate_window
#property indicator_buffers   4
#property indicator_minimum   0
#property indicator_maximum 100
#property indicator_color1 DimGray
#property indicator_style1 STYLE_DOT
#property indicator_color2 DimGray
#property indicator_color3 Lime
#property indicator_color4 Red
#property indicator_width3 2
#property indicator_width4 2
 


//---- input parameters
//
//    nice setings for trend = 35,10,1
//
//

extern string note1 = "Stochastic settings";
extern int       KPeriod     =  30;
extern int       Slowing     =  10;
extern int       DPeriod     =  10;
extern string note4 = "0=sma, 1=ema, 2=smma, 3=lwma";
extern int       MAMethod    =   0;
extern string note5 = "0=high/low, 1=close/close";
extern int       PriceField  =   1;
extern string note6 = "overbought level";
extern int       overBought  =  80;
extern string note7 = "oversold level";
extern int       overSold    =  20;


//---- buffers
//
//
//
//
//

double KFull[];
double DFull[];
double Upper[];
double Lower[];

//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+

int init()
{
      SetIndexBuffer(0,DFull);
      SetIndexBuffer(1,KFull);
      SetIndexBuffer(2,Upper);
      SetIndexBuffer(3,Lower);
      SetIndexLabel(1,"Fast");
      SetIndexLabel(2,NULL);
      SetIndexLabel(3,NULL);
         
         //
         //
         //
         //
         //
         
         DPeriod = MathMax(DPeriod,1);
         if (DPeriod==1) {
               SetIndexStyle(0,DRAW_NONE);
               SetIndexLabel(0,NULL);
            }
         else {
               SetIndexStyle(0,DRAW_LINE); 
               SetIndexLabel(0,"Slow");
            }               
         
         //
         //
         //
         //
         //
         
   string shortName = "Stochastic ("+KPeriod+","+Slowing+","+DPeriod+","+maDescription(MAMethod)+","+priceDescription(PriceField);
         if (overBought < overSold) overBought = overSold;
         if (overBought < 100)      shortName  = shortName+","+overBought;
         if (overSold   >   0)      shortName  = shortName+","+overSold;
   IndicatorShortName(shortName+")");
   return(0);
}

//
//
//
//
//

int deinit()
{
   return(0);
}

//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+

int start()
{
   int    counted_bars=IndicatorCounted();
   int    limit;
   int    i;
   
   
   
   
   if(counted_bars<0) return(-1);
   limit=Bars-counted_bars;
      
   //
   //
   //
   //
   //
   
   for(i=limit; i>=0; i--)
      {
            KFull[i] = iStochastic(NULL,0,KPeriod,DPeriod,Slowing,MAMethod,PriceField,MODE_MAIN,i);
            DFull[i] = iStochastic(NULL,0,KPeriod,DPeriod,Slowing,MAMethod,PriceField,MODE_SIGNAL,i);

            //
            //
            //
            //
            //
                                 
            if (KFull[i] > overBought) { Upper[i] = KFull[i]; Upper[i+1] = KFull[i+1]; }
            else                       { Upper[i] = EMPTY_VALUE;
                                         if (Upper[i+2] == EMPTY_VALUE)
                                             Upper[i+1]  = EMPTY_VALUE; }                            
            if (KFull[i] < overSold)   { Lower[i] = KFull[i]; Lower[i+1] = KFull[i+1]; }                   
            else                       { Lower[i] = EMPTY_VALUE;
                                         if (Lower[i+2] == EMPTY_VALUE)
                                             Lower[i+1]  = EMPTY_VALUE; }                            
      }

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

string priceDescription(int mode)
{
   string answer;
   switch(mode)
   {
      case 0:  answer = "Low/High"    ; break; 
      case 1:  answer = "Close/Close" ; break;
      default: answer = "Invalid price field requested";
                                    Alert(answer);
   }
   return(answer);
}
string maDescription(int mode)
{
   string answer;
   switch(mode)
   {
      case MODE_SMA:  answer = "SMA"  ; break; 
      case MODE_EMA:  answer = "EMA"  ; break;
      case MODE_SMMA: answer = "SMMA" ; break;
      case MODE_LWMA: answer = "LWMA" ; break;
      default:        answer = "Invalid MA mode requested";
                                    Alert(answer);
   }
   return(answer);
}