//+------------------------------------------------------------------+
//| PriceAlert.mq4 |
//| Copyright © 2009, ÏàâåëÈâàíîâè÷ (api) |
//| |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2009, ÏàâåëÈâàíîâè÷ v.1.1"
#property link ""
#property indicator_chart_window
//---- input parameters
extern color LineColor=Red;
extern int LineWidth=2;
extern bool PopupWindow=true;
extern string Sound="Alert.wav";
extern string UniqueName="Price 1";
double LastLevel;
double LastPrice;
double TradePoint;
bool Active;
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
LastLevel=0;
LastPrice=0;
Active=true;
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit()
{
int reason = UninitializeReason();
if(UninitializeReason() == REASON_REMOVE) ObjectDelete(UniqueName);
else ObjectSetText(UniqueName,"Price alert level - Inactive",0);
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start()
{
if(Digits==3 || Digits==5) TradePoint = Point*10;
else TradePoint = Point;
string PipsTextName = StringConcatenate(UniqueName," ","Pips");
if(ObjectFind(UniqueName)==-1)
{
double cp = LastLevel;
if(cp==0) cp = Ask+20*TradePoint;
ObjectCreate(UniqueName,OBJ_HLINE,0,0,cp);
ObjectSetText(UniqueName,"Price alert level",0);
ObjectSet(UniqueName,OBJPROP_COLOR,LineColor);
ObjectSet(UniqueName,OBJPROP_WIDTH,LineWidth);
}
if(ObjectFind(PipsTextName)==-1)
{
cp = LastLevel;
if(cp==0) cp = Ask+20*TradePoint;
ObjectCreate(PipsTextName,OBJ_TEXT,0,Time[0],cp);
}
double newlevel = ObjectGet(UniqueName,OBJPROP_PRICE1);
ObjectSet(PipsTextName,OBJPROP_TIME1,Time[0]);
if(Active)
{
double Pips = MathAbs(NormalizeDouble(newlevel,Digits)-Bid)/TradePoint;
if(Digits==3 || Digits==5)
ObjectSetText(PipsTextName,DoubleToStr(Pips,1),12,"Arial",LineColor);
else
ObjectSetText(PipsTextName,DoubleToStr(Pips,0),12,"Arial",LineColor);
}
ObjectSet(PipsTextName,OBJPROP_PRICE1,newlevel);
if(LastLevel!=newlevel)
{
LastLevel = newlevel;
LastPrice=0;
ObjectSetText(UniqueName,"Price alert level - Active",0);
Active = true;
}
if(Active && LastPrice!=0 && ((LastPrice<LastLevel && Bid>=LastLevel) || (LastPrice>LastLevel && Bid<=LastLevel)))
{
if(PopupWindow)
{
Alert(Symbol()+" Price alert level triggered at " + DoubleToStr(Bid,Digits) + ". Please activate alert level.");
}else
PlaySound(Sound);
Active = false;
ObjectSetText(PipsTextName,"",12,"Arial",LineColor);
ObjectSetText(UniqueName,"Price alert level - Inactive",0);
}
LastPrice = Bid;
return(0);
}
//+------------------------------------------------------------------+
Sample
Analysis
Market Information Used:
Series array that contains open time of each bar
Indicator Curves created:
Indicators Used:
Custom Indicators Used:
Order Management characteristics:
Other Features:
It issuies visual alerts to the screen
It plays sound alerts