SupportResistTrade

ÿþ//+------------------------------------------------------------------+

//|                  SupportResistTrade(barabashkakvn's edition).mq5 |

//|                                 Copyright © 2008, Gryb Alexander |

//+------------------------------------------------------------------+

#property copyright "Copyright © 2008, Gryb Alexander"

#property link      ""

#property version "1.002"

#include <Trade\PositionInfo.mqh>

#include <Trade\Trade.mqh>

#include <Trade\SymbolInfo.mqh>  

CPositionInfo  m_position;                   // trade position object

CTrade         m_trade;                      // trading object

CSymbolInfo    m_symbol;                     // symbol info object

//---

#define MODE_LOW 1

#define MODE_HIGH 2

//---

input int      numBars=55;

input int      maPeriod=500;

input ENUM_TIMEFRAMES timeFrame=PERIOD_M1;   // TIMEFRAMES

input double   InpLot=0.1;

//---

double support;

double resist;

string trendType;

//---

ulong             m_magic     = 57985;       // magic number

ulong             m_slippage  = 30;          // slippage

int               handle_iMA;                // variable for storing the handle of the iMA indicator 



ENUM_ACCOUNT_MARGIN_MODE m_margin_mode;

double         m_adjusted_point;             // point value adjusted for 3 or 5 points

//+------------------------------------------------------------------+

//| Expert initialization function                                   |

//+------------------------------------------------------------------+

int OnInit()

  {

//---

//SetMarginMode();

//if(!IsHedging())

//  {

//   Print("Hedging only!");

//   return(INIT_FAILED);

//  }

//---

   m_symbol.Name(Symbol());                  // sets symbol name

   if(!RefreshRates())

     {

      Print("Error RefreshRates. Bid=",DoubleToString(m_symbol.Bid(),Digits()),

            ", Ask=",DoubleToString(m_symbol.Ask(),Digits()));

      return(INIT_FAILED);

     }

   m_symbol.Refresh();

//---

   m_trade.SetExpertMagicNumber(m_magic);

//---

   m_trade.SetDeviationInPoints(m_slippage);

//--- tuning for 3 or 5 digits

   int digits_adjust=1;

   if(m_symbol.Digits()==3 || m_symbol.Digits()==5)

      digits_adjust=10;

   m_adjusted_point=m_symbol.Point()*digits_adjust;

//--- create handle of the indicator iMA

   handle_iMA=iMA(m_symbol.Name(),timeFrame,maPeriod,0,MODE_EMA,PRICE_CLOSE);

//--- if the handle is not created 

   if(handle_iMA==INVALID_HANDLE)

     {

      //--- tell about the failure and output the error code 

      PrintFormat("Failed to create handle of the iMA indicator for the symbol %s/%s, error code %d",

                  m_symbol.Name(),

                  EnumToString(Period()),

                  GetLastError());

      //--- the indicator is stopped early 

      return(INIT_FAILED);

     }



//---

   if(!HLineCreate(0,"lineSupport",0,0,clrBlue))

      return(INIT_FAILED);

   if(!HLineCreate(0,"lineResist",0,0,clrRed))

      return(INIT_FAILED);

   if(!LabelCreate(0,"lblTrendType",0,50,50,0,"TrendType","Tahoma",14,clrRed))

      return(INIT_FAILED);

//---

   return(INIT_SUCCEEDED);

  }

//+------------------------------------------------------------------+

//| Expert deinitialization function                                 |

//+------------------------------------------------------------------+

void OnDeinit(const int reason)

  {

//---

   ObjectsDeleteAll(0,0,-1);

   ChartRedraw(0);

  }

//+------------------------------------------------------------------+

//| Expert tick function                                             |

//+------------------------------------------------------------------+

void OnTick()

  {

//---

   MarketAnalize();

   if(CalculatePositions()==0)

      CheckForOpen();

   else

      CheckForClose();

//----

   return;

  }

//+------------------------------------------------------------------+

//|                                                                  |

//+------------------------------------------------------------------+

void MarketAnalize()

  {

//--- >?@545;O5< ;8=88 ?>445@6:8\A>?@>B82;5=8O

   support=iLowest(m_symbol.Name(),timeFrame,MODE_LOW,numBars,1);

   resist=iHighest(m_symbol.Name(),timeFrame,MODE_HIGH,numBars,1);



   HLineMove(0,"lineSupport",support);

   HLineMove(0,"lineResist",resist);



//--- >?@545;O5< A>AB>O=85 @K=:0: <542548 8;8 1K:8

   double ma=iMAGet(0);

   double open=iOpen(m_symbol.Name(),timeFrame,0);



   if(open>ma)

      trendType="bullish";



   if(open<ma)

      trendType="bearish";



   LabelTextChange(0,"lblTrendType",trendType);



//-- 8B>3: 5ABL ;8=88 ?>445@6:8\A>?@>B82;5=8O 8 >?@545;5=> A>AB>O=85 @K=:0(1KG89\<5425689)

  }

//+------------------------------------------------------------------+

//|                                                                  |

//+------------------------------------------------------------------+

void CheckForOpen()

  {



   if(trendType=="bullish")

     {

      if(!RefreshRates())

         return;



      if(m_symbol.Ask()>resist)

        {

         //--- check volume before OrderSend to avoid "not enough money" error (CTrade)

         double chek_volime_lot=m_trade.CheckVolume(m_symbol.Name(),InpLot,m_symbol.Ask(),ORDER_TYPE_BUY);



         if(chek_volime_lot!=0.0)

            if(chek_volime_lot>=InpLot)

              {

               double sl=m_symbol.NormalizePrice(support);



               if(m_trade.Buy(InpLot,NULL,m_symbol.Ask(),sl,0.0))

                 {

                  if(m_trade.ResultDeal()==0)

                    {

                     Print("Buy -> false. Result Retcode: ",m_trade.ResultRetcode(),

                           ", description of result: ",m_trade.ResultRetcodeDescription());

                    }

                  else

                     Print("Buy -> true. Result Retcode: ",m_trade.ResultRetcode(),

                           ", description of result: ",m_trade.ResultRetcodeDescription());

                 }

               else

                 {

                  Print("Buy -> false. Result Retcode: ",m_trade.ResultRetcode(),

                        ", description of result: ",m_trade.ResultRetcodeDescription());

                 }

              }

        }



     }

   if(trendType=="bearish")

     {

      if(!RefreshRates())

         return;



      if(m_symbol.Bid()<support)

        {

         //--- check volume before OrderSend to avoid "not enough money" error (CTrade)

         double chek_volime_lot=m_trade.CheckVolume(m_symbol.Name(),InpLot,m_symbol.Bid(),ORDER_TYPE_SELL);



         if(chek_volime_lot!=0.0)

            if(chek_volime_lot>=InpLot)

              {

               double sl=m_symbol.NormalizePrice(resist);



               if(m_trade.Sell(InpLot,NULL,m_symbol.Bid(),sl,0.0))

                 {

                  if(m_trade.ResultDeal()==0)

                    {

                     Print("Sell -> false. Result Retcode: ",m_trade.ResultRetcode(),

                           ", description of result: ",m_trade.ResultRetcodeDescription());

                    }

                  else

                     Print("Sell -> true. Result Retcode: ",m_trade.ResultRetcode(),

                           ", description of result: ",m_trade.ResultRetcodeDescription());

                 }

               else

                 {

                  Print("Sell -> false. Result Retcode: ",m_trade.ResultRetcode(),

                        ", description of result: ",m_trade.ResultRetcodeDescription());

                 }

              }

        }

     }

  }

//+------------------------------------------------------------------+

//|                                                                  |

//+------------------------------------------------------------------+

void CheckForClose()

  {

   for(int i=PositionsTotal()-1;i>=0;i--)

      if(m_position.SelectByIndex(i)) // selects the position by index for further access to its properties

         if(m_position.Symbol()==Symbol() && m_position.Magic()==m_magic)

           {

            //if(!RefreshRates())

            //   continue;

            if(m_position.PositionType()==POSITION_TYPE_BUY)

              {

               if(m_position.Profit()>0)

                  if(m_position.PriceCurrent()<support)

                    {

                     m_trade.PositionClose(m_position.Ticket());

                     continue;

                    }

               //--- trailing

               if((m_position.PriceCurrent()>m_position.PriceOpen()+20*m_adjusted_point) &&

                  (m_position.StopLoss()<(m_position.PriceOpen()+10*m_adjusted_point)))

                 {

                  if(!m_trade.PositionModify(m_position.Ticket(),

                     m_position.PriceOpen()+10*m_adjusted_point,

                     m_position.TakeProfit()))

                     Print("PositionModify -> false. Result Retcode: ",m_trade.ResultRetcode(),

                           ", description of result: ",m_trade.ResultRetcodeDescription());

                  continue;

                 }

               if((m_position.PriceCurrent()>m_position.PriceOpen()+40*m_adjusted_point) &&

                  (m_position.StopLoss()<(m_position.PriceOpen()+20*m_adjusted_point)))

                 {

                  if(!m_trade.PositionModify(m_position.Ticket(),

                     m_position.PriceOpen()+20*m_adjusted_point,

                     m_position.TakeProfit()))

                     Print("PositionModify -> false. Result Retcode: ",m_trade.ResultRetcode(),

                           ", description of result: ",m_trade.ResultRetcodeDescription());

                  continue;

                 }

               if((m_position.PriceCurrent()>m_position.PriceOpen()+60*m_adjusted_point) &&

                  (m_position.StopLoss()<(m_position.PriceOpen()+30*m_adjusted_point)))

                 {

                  if(!m_trade.PositionModify(m_position.Ticket(),

                     m_position.PriceOpen()+30*m_adjusted_point,

                     m_position.TakeProfit()))

                     Print("PositionModify -> false. Result Retcode: ",m_trade.ResultRetcode(),

                           ", description of result: ",m_trade.ResultRetcodeDescription());

                  continue;

                 }

              }



            if(m_position.PositionType()==POSITION_TYPE_SELL)

              {

               if(m_position.Profit()>0)

                  if(m_position.PriceCurrent()>resist)

                    {

                     m_trade.PositionClose(m_position.Ticket());

                     continue;

                    }

               //--- trailing

               if((m_position.PriceCurrent()<m_position.PriceOpen()-20*m_adjusted_point) &&

                  (m_position.StopLoss()>(m_position.PriceOpen()-10*m_adjusted_point)))

                 {

                  if(!m_trade.PositionModify(m_position.Ticket(),

                     m_position.PriceOpen()-10*m_adjusted_point,

                     m_position.TakeProfit()))

                     Print("PositionModify -> false. Result Retcode: ",m_trade.ResultRetcode(),

                           ", description of result: ",m_trade.ResultRetcodeDescription());

                  continue;

                 }

               if((m_position.PriceCurrent()<m_position.PriceOpen()-40*m_adjusted_point) && (m_position.StopLoss()>(m_position.PriceOpen()-20*m_adjusted_point)))

                 {

                  if(!m_trade.PositionModify(m_position.Ticket(),

                     m_position.PriceOpen()-20*m_adjusted_point,

                     m_position.TakeProfit()))

                     Print("PositionModify -> false. Result Retcode: ",m_trade.ResultRetcode(),

                           ", description of result: ",m_trade.ResultRetcodeDescription());

                  continue;

                 }

               if((m_position.PriceCurrent()<m_position.PriceOpen()-60*m_adjusted_point) && (m_position.StopLoss()>(m_position.PriceOpen()-30*m_adjusted_point)))

                 {

                  if(!m_trade.PositionModify(m_position.Ticket(),

                     m_position.PriceOpen()-30*m_adjusted_point,

                     m_position.TakeProfit()))

                     Print("PositionModify -> false. Result Retcode: ",m_trade.ResultRetcode(),

                           ", description of result: ",m_trade.ResultRetcodeDescription());

                  continue;

                 }

              }

           }

  }

//+------------------------------------------------------------------+ 

//| Create the horizontal line                                       | 

//+------------------------------------------------------------------+ 

bool HLineCreate(const long   chart_ID=0,    // chart's ID 

                 const string name="line",   // line name 

                 const int    sub_window=0,  // subwindow index 

                 double       price=0,       // line price 

                 const color  clr=clrGreen)  // color line

  {

//--- if the price is not set, set it at the current Bid price level 

   if(!price)

      price=SymbolInfoDouble(Symbol(),SYMBOL_BID);

   if(ObjectFind(chart_ID,name)>=0)

     {

      return(HLineMove(chart_ID,name,price));

     }

//--- reset the error value 

   ResetLastError();

//--- create a horizontal line 

   if(!ObjectCreate(chart_ID,name,OBJ_HLINE,sub_window,0,price))

     {

      Print(__FUNCTION__,

            ": failed to create a horizontal line! Error code = ",GetLastError());

      return(false);

     }

//--- set line color 

   ObjectSetInteger(chart_ID,name,OBJPROP_COLOR,clr);

   return(true);

  }

//+------------------------------------------------------------------+ 

//| Move horizontal line                                             | 

//+------------------------------------------------------------------+ 

bool HLineMove(const long     chart_ID=0,    // chart's ID 

               const string   name="line",   // line name 

               double         price=0)       // line price 

  {

//--- reset the error value 

   ResetLastError();

//--- move a horizontal line 

   if(!ObjectMove(chart_ID,name,0,0,price))

     {

      Print(__FUNCTION__,

            ": failed to move the horizontal line! Error code = ",GetLastError());

      return(false);

     }

//--- successful execution 

   return(true);

  }

//+------------------------------------------------------------------+ 

//| Create a text label                                              | 

//+------------------------------------------------------------------+ 

bool LabelCreate(const long              chart_ID=0,               // chart's ID 

                 const string            name="Label",             // label name 

                 const int               sub_window=0,             // subwindow index 

                 const int               x=0,                      // X coordinate 

                 const int               y=0,                      // Y coordinate 

                 const ENUM_BASE_CORNER  corner=CORNER_LEFT_UPPER, // chart corner for anchoring 

                 const string            text="Label",             // text 

                 const string            font="Arial",             // font 

                 const int               font_size=10,             // font size 

                 const color             clr=clrRed,               // color 

                 const double            angle=0.0,                // text slope 

                 const ENUM_ANCHOR_POINT anchor=ANCHOR_LEFT_UPPER, // anchor type 

                 const bool              back=false,               // in the background 

                 const bool              selection=false,          // highlight to move 

                 const bool              hidden=true,              // hidden in the object list 

                 const long              z_order=0)                // priority for mouse click 

  {

//--- reset the error value 

   ResetLastError();

//--- create a text label 

   if(!ObjectCreate(chart_ID,name,OBJ_LABEL,sub_window,0,0))

     {

      Print(__FUNCTION__,

            ": failed to create text label! Error code = ",GetLastError());

      return(false);

     }

//--- set label coordinates 

   ObjectSetInteger(chart_ID,name,OBJPROP_XDISTANCE,x);

   ObjectSetInteger(chart_ID,name,OBJPROP_YDISTANCE,y);

//--- set the chart's corner, relative to which point coordinates are defined 

   ObjectSetInteger(chart_ID,name,OBJPROP_CORNER,corner);

//--- set the text 

   ObjectSetString(chart_ID,name,OBJPROP_TEXT,text);

//--- set text font 

   ObjectSetString(chart_ID,name,OBJPROP_FONT,font);

//--- set font size 

   ObjectSetInteger(chart_ID,name,OBJPROP_FONTSIZE,font_size);

//--- set color 

   ObjectSetInteger(chart_ID,name,OBJPROP_COLOR,clr);

//--- successful execution 

   return(true);

  }

//+------------------------------------------------------------------+ 

//| Change the label text                                            | 

//+------------------------------------------------------------------+ 

bool LabelTextChange(const long   chart_ID=0,   // chart's ID 

                     const string name="Label", // object name 

                     const string text="Text")  // text 

  {

//--- reset the error value 

   ResetLastError();

//--- change object text 

   if(!ObjectSetString(chart_ID,name,OBJPROP_TEXT,text))

     {

      Print(__FUNCTION__,

            ": failed to change the text! Error code = ",GetLastError());

      return(false);

     }

//--- successful execution 

   return(true);

  }

//+------------------------------------------------------------------+

//| Get value of buffers for the iMA                                 |

//+------------------------------------------------------------------+

double iMAGet(const int index)

  {

   double MA[1];

//--- reset error code 

   ResetLastError();

//--- fill a part of the iMABuffer array with values from the indicator buffer that has 0 index 

   if(CopyBuffer(handle_iMA,0,index,1,MA)<0)

     {

      //--- if the copying fails, tell the error code 

      PrintFormat("Failed to copy data from the iMA indicator, error code %d",GetLastError());

      //--- quit with zero result - it means that the indicator is considered as not calculated 

      return(0.0);

     }

   return(MA[0]);

  }

//+------------------------------------------------------------------+

//| Refreshes the symbol quotes data                                 |

//+------------------------------------------------------------------+

bool RefreshRates()

  {

//--- refresh rates

   if(!m_symbol.RefreshRates())

      return(false);

//--- protection against the return value of "zero"

   if(m_symbol.Ask()==0 || m_symbol.Bid()==0)

      return(false);

//---

   return(true);

  }

//+------------------------------------------------------------------+

//| >4AGQB ?>78F89 Buy 8 Sell                                       |

//+------------------------------------------------------------------+

int CalculatePositions()

  {

   int total=0;



   for(int i=PositionsTotal()-1;i>=0;i--)

      if(m_position.SelectByIndex(i)) // selects the position by index for further access to its properties

         if(m_position.Symbol()==m_symbol.Name() && m_position.Magic()==m_magic)

            total++;

//---

   return(total);

  }

//+------------------------------------------------------------------+