Pierre8rTeam
270 lines
9.2 KiB
Plaintext
270 lines
9.2 KiB
Plaintext
//=====================================================================
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// A library for Market Watch on the chart
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//=====================================================================
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//---------------------------------------------------------------------
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#property copyright "Dima S., 2010 ã."
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#property link "dimascub@mail.com"
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//---------------------------------------------------------------------
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// Include libraries
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//---------------------------------------------------------------------
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#include <TextDisplay.mqh>
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//---------------------------------------------------------------------
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//---------------------------------------------------------------------
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// SymbolWatchDisplay class
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//---------------------------------------------------------------------
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class SymbolWatchDisplay : public TableDisplay
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{
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private:
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string symbol; // symbol
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double point;
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int digits;
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double point_multiplier; // conversion coefficient for 3/5 digits
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private:
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MqlTick curr_tick; // current ticl
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datetime times;
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double prev_bid;
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MqlRates D1_rates[ ]; // daily rates
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MqlRates TF_rates[ ]; // bars of the current timeframe
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private:
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ENUM_TIMEFRAMES time_frames[];
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private:
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double curr_HiLo; // current daily range
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double curr_AvD; // average daily range
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private:
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int up_down_shift; // Y coordinate
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int left_right_shift; // X coordinate
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public:
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void RefreshSymbolInfo(); // Refresh symbol info
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void SymbolWatchDisplay();
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void ~SymbolWatchDisplay();
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bool Create(string _symbol,long _chart_id,int _window,int _cols,int _lines,int _ud_shift,int _lr_shift,color _ttl,ENUM_TIMEFRAMES &_tfs[]);
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void RedrawSymbolInfo(); // Redraw information
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};
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//---------------------------------------------------------------------
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// Constructor
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//---------------------------------------------------------------------
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void SymbolWatchDisplay::SymbolWatchDisplay()
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{
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this.symbol=NULL;
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this.up_down_shift=0;
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this.left_right_shift=0;
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this.curr_HiLo= 0.0;
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this.curr_AvD = 0.0;
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this.times=0;
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this.prev_bid=0.0;
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}
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//---------------------------------------------------------------------
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// Destructor
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//---------------------------------------------------------------------
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void SymbolWatchDisplay::~SymbolWatchDisplay()
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{
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//// this.Clear( );
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}
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//---------------------------------------------------------------------
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// Refresh information
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//---------------------------------------------------------------------
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void SymbolWatchDisplay::RedrawSymbolInfo()
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{
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// Get tick data
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ResetLastError();
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if(SymbolInfoTick(this.symbol,this.curr_tick)!=true)
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{
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this.SetText( 0, "Err " + DoubleToString( GetLastError( ), 0 ));
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this.SetColor( 0, Yellow );
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this.SetText( 1, "" );
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this.SetText( 2, "" );
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this.SetText( 3, "" );
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this.SetText( 4, "" );
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this.SetText( 5, "" );
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for(int k=0; k<ArraySize(this.time_frames); k++)
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{
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this.SetText(k+6,"");
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}
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return;
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}
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// If data has changed (or it's the first call), show them:
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if(this.curr_tick.time>this.times || this.times==0)
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{
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this.SetText(0,DoubleToString(this.curr_tick.bid,digits));
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if(this.curr_tick.bid>this.prev_bid && this.prev_bid>0.1)
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{
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this.SetColor(0,Lime);
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}
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else if(this.curr_tick.bid<this.prev_bid && this.prev_bid>0.1)
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{
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this.SetColor(0,Red);
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}
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else
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{
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this.SetColor(0,Yellow);
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}
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this.prev_bid=this.curr_tick.bid;
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this.times=this.curr_tick.time;
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}
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this.SetText( 1, DoubleToString( this.point_multiplier * ( this.curr_tick.ask - this.curr_tick.bid ) / this.point, 1 ));
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this.SetText( 2, DoubleToString( this.point_multiplier * SymbolInfoInteger( this.symbol, SYMBOL_TRADE_STOPS_LEVEL ), 1 ));
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// get daily bars
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if(CopyRates(this.symbol,PERIOD_D1,0,21,this.D1_rates)!=21)
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{
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this.SetText( 3, "loading.." );
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this.SetColor( 3, Yellow );
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this.SetText( 4, "loading.." );
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this.SetColor( 4, Yellow );
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this.SetText( 5, "loading.." );
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this.SetColor( 5, Yellow );
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return;
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}
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// calculate points from the open price
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if(this.D1_rates[20].close>this.D1_rates[20].open)
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{
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this.SetColor( 3, Lime );
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this.SetText( 3, DoubleToString( this.point_multiplier * ( this.D1_rates[ 20 ].close - this.D1_rates[ 20 ].open ) / this.point, 1 ));
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}
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else if(D1_rates[20].close<D1_rates[20].open)
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{
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this.SetColor( 3, Red );
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this.SetText( 3, DoubleToString( this.point_multiplier * ( this.D1_rates[ 20 ].open - this.D1_rates[ 20 ].close ) / this.point, 1 ));
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}
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else
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{
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this.SetText( 3, "0.0" );
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this.SetColor( 3, Yellow );
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}
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// current daily range
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this.SetText( 4, DoubleToString( this.point_multiplier * ( this.D1_rates[ 20 ].high - this.D1_rates[ 20 ].low ) / this.point, 1 ));
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this.SetColor( 4, PowderBlue );
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// Average daily range
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double av,av_20=0.0,av_10=0.0,av_5=0.0,av_1;
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for(int i=0; i<20; i++)
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{
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av_20+=this.D1_rates[i].high-this.D1_rates[i].low;
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}
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for(int i=10; i<20; i++)
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{
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av_10+=this.D1_rates[i].high-this.D1_rates[i].low;
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}
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for(int i=15; i<20; i++)
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{
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av_5+=this.D1_rates[i].high-this.D1_rates[i].low;
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}
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av_1=this.D1_rates[19].high-this.D1_rates[19].low;
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av =(av_1+av_5/ 5.0+av_10/ 10.0+av_20/ 20.0)/ 4.0;
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av/=(this.point);
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this.SetText( 5, DoubleToString( this.point_multiplier * av, 1 ));
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this.SetColor( 5, LightGoldenrod );
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// Get bars on the current timeframe
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for(int k=0; k<ArraySize(this.time_frames); k++)
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{
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if(CopyRates(this.symbol,this.time_frames[k],0,1,this.TF_rates)!=1)
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{
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this.SetText( k + 6, "loading.." );
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this.SetColor( k + 6, Yellow );
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continue;
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}
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double dev=100.0 *(this.TF_rates[0].close-this.TF_rates[0].open)/this.TF_rates[0].open;
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if(dev>0.0005)
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{
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this.SetText( k + 6, "+" + DoubleToString( dev, 3 ));
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this.SetColor( k + 6, PaleGreen );
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}
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else if(dev<-0.0005)
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{
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this.SetText( k + 6, " " + DoubleToString( dev, 3 ));
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this.SetColor( k + 6, Pink );
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}
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else
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{
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this.SetText( k + 6, " " + DoubleToString( 0.0, 3 ));
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this.SetColor( k + 6, Silver );
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}
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}
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}
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//---------------------------------------------------------------------
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// Create graphic object
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//---------------------------------------------------------------------
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bool SymbolWatchDisplay::Create(string _symbol,long _chart_id,int _window,int _cols,int _lines,int _ud_shift,int _lr_shift,color _ttl,ENUM_TIMEFRAMES &_tfs[])
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{
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this.symbol=_symbol;
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this.up_down_shift=_ud_shift;
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this.left_right_shift=_lr_shift;
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this.RefreshSymbolInfo( );
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this.SetParams( _chart_id, _window, CORNER_LEFT_UPPER );
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ArrayResize(this.time_frames,ArraySize(_tfs));
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for(int i=0; i<ArraySize(_tfs); i++)
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{
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this.time_frames[i]=_tfs[i];
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}
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// Price
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this.AddFieldObject( _cols, _lines, this.left_right_shift, this.up_down_shift + 5, Gold, "Arial", 10 );
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this.SetAnchor( 0, ANCHOR_LEFT );
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// Spread
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this.AddFieldObject( _cols, _lines, this.left_right_shift, this.up_down_shift + 7, Gold, "Arial", 10 );
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this.SetAnchor( 1, ANCHOR_LEFT );
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// Stop level
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this.AddFieldObject( _cols, _lines, this.left_right_shift, this.up_down_shift + 9, Gold, "Arial", 10 );
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this.SetAnchor( 2, ANCHOR_LEFT );
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// Points from open price
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this.AddFieldObject( _cols, _lines, this.left_right_shift, this.up_down_shift + 12, PowderBlue, "Arial", 10 );
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this.SetAnchor( 3, ANCHOR_LEFT );
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// Daily range
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this.AddFieldObject( _cols, _lines, this.left_right_shift, this.up_down_shift + 15, PowderBlue, "Arial", 10 );
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this.SetAnchor( 4, ANCHOR_LEFT );
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// Average daily range
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this.AddFieldObject( _cols, _lines, this.left_right_shift, this.up_down_shift + 17, LightGoldenrod, "Arial", 10 );
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this.SetAnchor( 5, ANCHOR_LEFT );
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// Percent change
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for(int k=0; k<ArraySize(this.time_frames); k++)
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{
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this.AddFieldObject( _cols, _lines, this.left_right_shift, this.up_down_shift + 20 + 2 * k, PowderBlue, "Arial", 10 );
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this.SetAnchor( k + 6, ANCHOR_LEFT );
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}
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// Title (symbol)
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this.AddTitleObject( _cols, _lines, this.left_right_shift, this.up_down_shift + 2, this.symbol, _ttl, "Arial", 10 );
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this.SetAnchor( ArraySize( this.time_frames ) + 6, ANCHOR_LEFT );
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return(true);
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}
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//---------------------------------------------------------------------
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// Refresh information on symbol
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//---------------------------------------------------------------------
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void SymbolWatchDisplay::RefreshSymbolInfo()
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{
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this.point=SymbolInfoDouble(this.symbol,SYMBOL_POINT);
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this.digits=(int)SymbolInfoInteger(this.symbol,SYMBOL_DIGITS);
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// 5/3 digits coefficient
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if(this.digits==5 || this.digits==3)
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{
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this.point_multiplier=0.1;
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}
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else
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{
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this.point_multiplier=1.0;
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}
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}
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//--------------------------------------------------------------------- |