146 lines
12 KiB
Plaintext
146 lines
12 KiB
Plaintext
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//+------------------------------------------------------------------+
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//| PriceChannel.mqh |
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//| Copyright 2015, Victor Vityuk. |
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//| http://www.mql5.com |
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2015, Victor Vityuk."
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#property link "http://www.mql5.com"
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#include <Strategy\Message.mqh>
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#include <Strategy\Logs.mqh>
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//+------------------------------------------------------------------+
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//| defines |
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//+------------------------------------------------------------------+
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class CIndPriceChannel
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{
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private:
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int m_pc_handle; // Indicator handle
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ENUM_TIMEFRAMES m_timeframe; // Timeframe
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int m_pc_period; // Period
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string m_symbol; // Symbol
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CLog* m_log; // Logging
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void Init(void);
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public:
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CIndPriceChannel(void);
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/*Params*/
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void Timeframe(ENUM_TIMEFRAMES timeframe);
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void PC_Period(int pc_period);
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void Symbol(string symbol);
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ENUM_TIMEFRAMES Timeframe(void);
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int PC_Period(void);
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string Symbol(void);
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/*Out values*/
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double OutValueUp(int index);
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double OutValueDown(int index);
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};
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//+------------------------------------------------------------------+
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//| Default constructor. |
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//+------------------------------------------------------------------+
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CIndPriceChannel::CIndPriceChannel(void) : m_pc_handle(INVALID_HANDLE),
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m_timeframe(PERIOD_CURRENT),
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m_pc_period(50)
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{
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m_log=CLog::GetLog();
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}
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//+------------------------------------------------------------------+
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//| Initialization |
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//+------------------------------------------------------------------+
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CIndPriceChannel::Init(void)
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{
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if(m_pc_handle!=INVALID_HANDLE)
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{
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bool res=IndicatorRelease(m_pc_handle);
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if(!res)
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{
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string text="Realise PC indicator failed. Error ID: "+(string)GetLastError();
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CMessage *msg=new CMessage(MESSAGE_WARNING,__FUNCTION__,text);
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m_log.AddMessage(msg);
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}
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}
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m_pc_handle=iCustom(m_symbol,m_timeframe,"Examples\\Price_Channel",m_pc_period);
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if(m_pc_handle==INVALID_HANDLE)
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{
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string params="(Period:"+(string)m_pc_period+")";
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string text="Create PC indicator failed"+params+". Error ID: "+(string)GetLastError();
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CMessage *msg=new CMessage(MESSAGE_ERROR,__FUNCTION__,text);
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m_log.AddMessage(msg);
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}
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}
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//+------------------------------------------------------------------+
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//| Setting timeframe. |
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//+------------------------------------------------------------------+
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void CIndPriceChannel::Timeframe(ENUM_TIMEFRAMES tf)
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{
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m_timeframe=tf;
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if(m_pc_handle!=INVALID_HANDLE)
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Init();
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}
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//+------------------------------------------------------------------+
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//| Returns the current timeframe |
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//+------------------------------------------------------------------+
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ENUM_TIMEFRAMES CIndPriceChannel::Timeframe(void)
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{
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return m_timeframe;
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}
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//+------------------------------------------------------------------+
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//| Sets the Moving Average averaging period. |
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//+------------------------------------------------------------------+
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void CIndPriceChannel::PC_Period(int pc_period)
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{
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m_pc_period=pc_period;
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if(m_pc_handle!=INVALID_HANDLE)
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Init();
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}
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//+------------------------------------------------------------------+
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//| Returns the current averaging period of Moving Average. |
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//+------------------------------------------------------------------+
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int CIndPriceChannel::PC_Period(void)
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{
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return m_pc_period;
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}
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//+------------------------------------------------------------------+
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//| Sets the symbol to calculate the indicator for |
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//+------------------------------------------------------------------+
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void CIndPriceChannel::Symbol(string symbol)
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{
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m_symbol=symbol;
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if(m_pc_handle!=INVALID_HANDLE)
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Init();
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}
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//+------------------------------------------------------------------+
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//| Returns the symbol the indicator is calculated for |
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//+------------------------------------------------------------------+
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string CIndPriceChannel::Symbol(void)
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{
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return m_symbol;
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}
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//+------------------------------------------------------------------+
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//| |
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//+------------------------------------------------------------------+
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double CIndPriceChannel::OutValueUp(int index)
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{
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if(m_pc_handle==INVALID_HANDLE)
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Init();
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double values[];
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if(CopyBuffer(m_pc_handle,0,index,1,values))
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return values[0];
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return EMPTY_VALUE;
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}
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//+------------------------------------------------------------------+
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//| |
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//+------------------------------------------------------------------+
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double CIndPriceChannel::OutValueDown(int index)
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{
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if(m_pc_handle==INVALID_HANDLE)
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Init();
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double values[];
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if(CopyBuffer(m_pc_handle,1,index,1,values))
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return values[0];
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return EMPTY_VALUE;
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}
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//+------------------------------------------------------------------+
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�
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