//+------------------------------------------------------------------+
//|                                     Indicator: Trend Colored.mq4 |
//+------------------------------------------------------------------+

#property description "Colored candlesticks showing the trend based on two moving averages and the slope of the slow moving average. For long"
#property description " term trends use Period2 = 200."

#include <stdlib.mqh>
#include <stderror.mqh>

//--- indicator settings
#property indicator_chart_window
#property indicator_buffers 16

#property indicator_type1 DRAW_HISTOGRAM
#property indicator_style1 STYLE_SOLID
#property indicator_width1 3
#property indicator_color1 0x00FF00
#property indicator_label1 "Bullish"

#property indicator_type2 DRAW_HISTOGRAM
#property indicator_style2 STYLE_SOLID
#property indicator_width2 3
#property indicator_color2 0x00FF00
#property indicator_label2 "Bullish"

#property indicator_type3 DRAW_HISTOGRAM
#property indicator_style3 STYLE_SOLID
#property indicator_width3 1
#property indicator_color3 0x00FF00
#property indicator_label3 "Bullish"

#property indicator_type4 DRAW_HISTOGRAM
#property indicator_style4 STYLE_SOLID
#property indicator_width4 1
#property indicator_color4 0x00FF00
#property indicator_label4 "Bullish"

#property indicator_type5 DRAW_HISTOGRAM
#property indicator_style5 STYLE_SOLID
#property indicator_width5 3
#property indicator_color5 0x008000
#property indicator_label5 "Bullish Weak"

#property indicator_type6 DRAW_HISTOGRAM
#property indicator_style6 STYLE_SOLID
#property indicator_width6 3
#property indicator_color6 0x008000
#property indicator_label6 "Bullish Weak"

#property indicator_type7 DRAW_HISTOGRAM
#property indicator_style7 STYLE_SOLID
#property indicator_width7 1
#property indicator_color7 0x008000
#property indicator_label7 "Bullish Weak"

#property indicator_type8 DRAW_HISTOGRAM
#property indicator_style8 STYLE_SOLID
#property indicator_width8 1
#property indicator_color8 0x008000
#property indicator_label8 "Bullish Weak"

#property indicator_type9 DRAW_HISTOGRAM
#property indicator_style9 STYLE_SOLID
#property indicator_width9 3
#property indicator_color9 0x4763FF
#property indicator_label9 "Bearish Weak"

#property indicator_type10 DRAW_HISTOGRAM
#property indicator_style10 STYLE_SOLID
#property indicator_width10 3
#property indicator_color10 0x4763FF
#property indicator_label10 "Bearish Weak"

#property indicator_type11 DRAW_HISTOGRAM
#property indicator_style11 STYLE_SOLID
#property indicator_width11 1
#property indicator_color11 0x4763FF
#property indicator_label11 "Bearish Weak"

#property indicator_type12 DRAW_HISTOGRAM
#property indicator_style12 STYLE_SOLID
#property indicator_width12 1
#property indicator_color12 0x4763FF
#property indicator_label12 "Bearish Weak"

#property indicator_type13 DRAW_HISTOGRAM
#property indicator_style13 STYLE_SOLID
#property indicator_width13 3
#property indicator_color13 0x0000FF
#property indicator_label13 "Bearish"

#property indicator_type14 DRAW_HISTOGRAM
#property indicator_style14 STYLE_SOLID
#property indicator_width14 3
#property indicator_color14 0x0000FF
#property indicator_label14 "Bearish"

#property indicator_type15 DRAW_HISTOGRAM
#property indicator_style15 STYLE_SOLID
#property indicator_width15 1
#property indicator_color15 0x0000FF
#property indicator_label15 "Bearish"

#property indicator_type16 DRAW_HISTOGRAM
#property indicator_style16 STYLE_SOLID
#property indicator_width16 1
#property indicator_color16 0x0000FF
#property indicator_label16 "Bearish"

//--- indicator buffers
double Buffer1[];
double Buffer2[];
double Buffer3[];
double Buffer4[];
double Buffer5[];
double Buffer6[];
double Buffer7[];
double Buffer8[];
double Buffer9[];
double Buffer10[];
double Buffer11[];
double Buffer12[];
double Buffer13[];
double Buffer14[];
double Buffer15[];
double Buffer16[];

extern int Period1 = 3;
extern int Period2 = 34;
double myPoint; //initialized in OnInit

void myAlert(string type, string message)
  {
   if(type == "print")
      Print(message);
   else if(type == "error")
     {
      Print(type+" | Trend Colored @ "+Symbol()+","+IntegerToString(Period())+" | "+message);
     }
   else if(type == "order")
     {
     }
   else if(type == "modify")
     {
     }
  }

//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int OnInit()
  {   
   IndicatorBuffers(16);
   SetIndexBuffer(0, Buffer1);
   SetIndexEmptyValue(0, EMPTY_VALUE);
   SetIndexBuffer(1, Buffer2);
   SetIndexEmptyValue(1, EMPTY_VALUE);
   SetIndexBuffer(2, Buffer3);
   SetIndexEmptyValue(2, EMPTY_VALUE);
   SetIndexBuffer(3, Buffer4);
   SetIndexEmptyValue(3, EMPTY_VALUE);
   SetIndexBuffer(4, Buffer5);
   SetIndexEmptyValue(4, EMPTY_VALUE);
   SetIndexBuffer(5, Buffer6);
   SetIndexEmptyValue(5, EMPTY_VALUE);
   SetIndexBuffer(6, Buffer7);
   SetIndexEmptyValue(6, EMPTY_VALUE);
   SetIndexBuffer(7, Buffer8);
   SetIndexEmptyValue(7, EMPTY_VALUE);
   SetIndexBuffer(8, Buffer9);
   SetIndexEmptyValue(8, EMPTY_VALUE);
   SetIndexBuffer(9, Buffer10);
   SetIndexEmptyValue(9, EMPTY_VALUE);
   SetIndexBuffer(10, Buffer11);
   SetIndexEmptyValue(10, EMPTY_VALUE);
   SetIndexBuffer(11, Buffer12);
   SetIndexEmptyValue(11, EMPTY_VALUE);
   SetIndexBuffer(12, Buffer13);
   SetIndexEmptyValue(12, EMPTY_VALUE);
   SetIndexBuffer(13, Buffer14);
   SetIndexEmptyValue(13, EMPTY_VALUE);
   SetIndexBuffer(14, Buffer15);
   SetIndexEmptyValue(14, EMPTY_VALUE);
   SetIndexBuffer(15, Buffer16);
   SetIndexEmptyValue(15, EMPTY_VALUE);
   //initialize myPoint
   myPoint = Point();
   if(Digits() == 5 || Digits() == 3)
     {
      myPoint *= 10;
     }
   return(INIT_SUCCEEDED);
  }

//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int OnCalculate(const int rates_total,
                const int prev_calculated,
                const datetime& time[],
                const double& open[],
                const double& high[],
                const double& low[],
                const double& close[],
                const long& tick_volume[],
                const long& volume[],
                const int& spread[])
  {
   int limit = rates_total - prev_calculated;
   //--- counting from 0 to rates_total
   ArraySetAsSeries(Buffer1, true);
   ArraySetAsSeries(Buffer2, true);
   ArraySetAsSeries(Buffer3, true);
   ArraySetAsSeries(Buffer4, true);
   ArraySetAsSeries(Buffer5, true);
   ArraySetAsSeries(Buffer6, true);
   ArraySetAsSeries(Buffer7, true);
   ArraySetAsSeries(Buffer8, true);
   ArraySetAsSeries(Buffer9, true);
   ArraySetAsSeries(Buffer10, true);
   ArraySetAsSeries(Buffer11, true);
   ArraySetAsSeries(Buffer12, true);
   ArraySetAsSeries(Buffer13, true);
   ArraySetAsSeries(Buffer14, true);
   ArraySetAsSeries(Buffer15, true);
   ArraySetAsSeries(Buffer16, true);
   //--- initial zero
   if(prev_calculated < 1)
     {
      ArrayInitialize(Buffer1, EMPTY_VALUE);
      ArrayInitialize(Buffer2, EMPTY_VALUE);
      ArrayInitialize(Buffer3, EMPTY_VALUE);
      ArrayInitialize(Buffer4, EMPTY_VALUE);
      ArrayInitialize(Buffer5, EMPTY_VALUE);
      ArrayInitialize(Buffer6, EMPTY_VALUE);
      ArrayInitialize(Buffer7, EMPTY_VALUE);
      ArrayInitialize(Buffer8, EMPTY_VALUE);
      ArrayInitialize(Buffer9, EMPTY_VALUE);
      ArrayInitialize(Buffer10, EMPTY_VALUE);
      ArrayInitialize(Buffer11, EMPTY_VALUE);
      ArrayInitialize(Buffer12, EMPTY_VALUE);
      ArrayInitialize(Buffer13, EMPTY_VALUE);
      ArrayInitialize(Buffer14, EMPTY_VALUE);
      ArrayInitialize(Buffer15, EMPTY_VALUE);
      ArrayInitialize(Buffer16, EMPTY_VALUE);
     }
   else
      limit++;
   
   //--- main loop
   for(int i = limit-1; i >= 0; i--)
     {
      if (i >= MathMin(5000-1, rates_total-1-50)) continue; //omit some old rates to prevent "Array out of range" or slow calculation   
      
      //Indicator Buffer 1
      if(iMA(NULL, PERIOD_CURRENT, Period1, 0, MODE_SMA, PRICE_CLOSE, i) > iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, i) //Moving Average > Moving Average
      && iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, i) > iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, 1+i) //Moving Average > Moving Average
      )
        {
         Buffer1[i] = Open[i]; //Set indicator value at Candlestick Open
        }
      else
        {
         Buffer1[i] = EMPTY_VALUE;
        }
      //Indicator Buffer 2
      if(iMA(NULL, PERIOD_CURRENT, Period1, 0, MODE_SMA, PRICE_CLOSE, i) > iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, i) //Moving Average > Moving Average
      && iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, i) > iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, 1+i) //Moving Average > Moving Average
      )
        {
         Buffer2[i] = Close[i]; //Set indicator value at Candlestick Close
        }
      else
        {
         Buffer2[i] = EMPTY_VALUE;
        }
      //Indicator Buffer 3
      if(iMA(NULL, PERIOD_CURRENT, Period1, 0, MODE_SMA, PRICE_CLOSE, i) > iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, i) //Moving Average > Moving Average
      && iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, i) > iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, 1+i) //Moving Average > Moving Average
      )
        {
         Buffer3[i] = High[i]; //Set indicator value at Candlestick High
        }
      else
        {
         Buffer3[i] = EMPTY_VALUE;
        }
      //Indicator Buffer 4
      if(iMA(NULL, PERIOD_CURRENT, Period1, 0, MODE_SMA, PRICE_CLOSE, i) > iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, i) //Moving Average > Moving Average
      && iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, i) > iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, 1+i) //Moving Average > Moving Average
      )
        {
         Buffer4[i] = Low[i]; //Set indicator value at Candlestick Low
        }
      else
        {
         Buffer4[i] = EMPTY_VALUE;
        }
      //Indicator Buffer 5
      if(iMA(NULL, PERIOD_CURRENT, Period1, 0, MODE_SMA, PRICE_CLOSE, i) > iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, i) //Moving Average > Moving Average
      && iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, i) < iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, 1+i) //Moving Average < Moving Average
      )
        {
         Buffer5[i] = Open[i]; //Set indicator value at Candlestick Open
        }
      else
        {
         Buffer5[i] = EMPTY_VALUE;
        }
      //Indicator Buffer 6
      if(iMA(NULL, PERIOD_CURRENT, Period1, 0, MODE_SMA, PRICE_CLOSE, i) > iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, i) //Moving Average > Moving Average
      && iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, i) < iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, 1+i) //Moving Average < Moving Average
      )
        {
         Buffer6[i] = Close[i]; //Set indicator value at Candlestick Close
        }
      else
        {
         Buffer6[i] = EMPTY_VALUE;
        }
      //Indicator Buffer 7
      if(iMA(NULL, PERIOD_CURRENT, Period1, 0, MODE_SMA, PRICE_CLOSE, i) > iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, i) //Moving Average > Moving Average
      && iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, i) < iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, 1+i) //Moving Average < Moving Average
      )
        {
         Buffer7[i] = High[i]; //Set indicator value at Candlestick High
        }
      else
        {
         Buffer7[i] = EMPTY_VALUE;
        }
      //Indicator Buffer 8
      if(iMA(NULL, PERIOD_CURRENT, Period1, 0, MODE_SMA, PRICE_CLOSE, i) > iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, i) //Moving Average > Moving Average
      && iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, i) < iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, 1+i) //Moving Average < Moving Average
      )
        {
         Buffer8[i] = Low[i]; //Set indicator value at Candlestick Low
        }
      else
        {
         Buffer8[i] = EMPTY_VALUE;
        }
      //Indicator Buffer 9
      if(iMA(NULL, PERIOD_CURRENT, Period1, 0, MODE_SMA, PRICE_CLOSE, i) < iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, i) //Moving Average < Moving Average
      && iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, i) > iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, 1+i) //Moving Average > Moving Average
      )
        {
         Buffer9[i] = Open[i]; //Set indicator value at Candlestick Open
        }
      else
        {
         Buffer9[i] = EMPTY_VALUE;
        }
      //Indicator Buffer 10
      if(iMA(NULL, PERIOD_CURRENT, Period1, 0, MODE_SMA, PRICE_CLOSE, i) < iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, i) //Moving Average < Moving Average
      && iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, i) > iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, 1+i) //Moving Average > Moving Average
      )
        {
         Buffer10[i] = Close[i]; //Set indicator value at Candlestick Close
        }
      else
        {
         Buffer10[i] = EMPTY_VALUE;
        }
      //Indicator Buffer 11
      if(iMA(NULL, PERIOD_CURRENT, Period1, 0, MODE_SMA, PRICE_CLOSE, i) < iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, i) //Moving Average < Moving Average
      && iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, i) > iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, 1+i) //Moving Average > Moving Average
      )
        {
         Buffer11[i] = High[i]; //Set indicator value at Candlestick High
        }
      else
        {
         Buffer11[i] = EMPTY_VALUE;
        }
      //Indicator Buffer 12
      if(iMA(NULL, PERIOD_CURRENT, Period1, 0, MODE_SMA, PRICE_CLOSE, i) < iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, i) //Moving Average < Moving Average
      && iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, i) > iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, 1+i) //Moving Average > Moving Average
      )
        {
         Buffer12[i] = Low[i]; //Set indicator value at Candlestick Low
        }
      else
        {
         Buffer12[i] = EMPTY_VALUE;
        }
      //Indicator Buffer 13
      if(iMA(NULL, PERIOD_CURRENT, Period1, 0, MODE_SMA, PRICE_CLOSE, i) < iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, i) //Moving Average < Moving Average
      && iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, i) < iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, 1+i) //Moving Average < Moving Average
      )
        {
         Buffer13[i] = Open[i]; //Set indicator value at Candlestick Open
        }
      else
        {
         Buffer13[i] = EMPTY_VALUE;
        }
      //Indicator Buffer 14
      if(iMA(NULL, PERIOD_CURRENT, Period1, 0, MODE_SMA, PRICE_CLOSE, i) < iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, i) //Moving Average < Moving Average
      && iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, i) < iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, 1+i) //Moving Average < Moving Average
      )
        {
         Buffer14[i] = Close[i]; //Set indicator value at Candlestick Close
        }
      else
        {
         Buffer14[i] = EMPTY_VALUE;
        }
      //Indicator Buffer 15
      if(iMA(NULL, PERIOD_CURRENT, Period1, 0, MODE_SMA, PRICE_CLOSE, i) < iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, i) //Moving Average < Moving Average
      && iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, i) < iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, 1+i) //Moving Average < Moving Average
      )
        {
         Buffer15[i] = High[i]; //Set indicator value at Candlestick High
        }
      else
        {
         Buffer15[i] = EMPTY_VALUE;
        }
      //Indicator Buffer 16
      if(iMA(NULL, PERIOD_CURRENT, Period1, 0, MODE_SMA, PRICE_CLOSE, i) < iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, i) //Moving Average < Moving Average
      && iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, i) < iMA(NULL, PERIOD_CURRENT, Period2, 0, MODE_SMA, PRICE_CLOSE, 1+i) //Moving Average < Moving Average
      )
        {
         Buffer16[i] = Low[i]; //Set indicator value at Candlestick Low
        }
      else
        {
         Buffer16[i] = EMPTY_VALUE;
        }
     }
   return(rates_total);
  }
//+------------------------------------------------------------------+