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#property  copyright "Copyright © 2011, sangmane."
#property  link      
  
#import "EasyOrder.dll"
   int EasyOrder(int hwnd);

string obj;
int i, ticket;
   
int start()
{	
	int hwnd = WindowHandle(Symbol(),0);
	if(hwnd==0) {
		Alert("Error!");
		return;
	}
	int ret = EasyOrder(hwnd);
	Print("Return value: ",ret);	
	if(ret<0) {
		Alert("Dll function failed!");
		return;
	}	
	if(ret==1) ModifyOrder();
	else {
		for(i=ObjectsTotal()-1; i>=0; i--) {
			obj = ObjectName(i);
			if(StringFind(obj,"EASYORDER",0)>=0) ObjectDelete(obj);
		}	
	}
	InitLines();
	return (0);
}
//+------------------------------------------------------------------+

void InitLines()
{
	//Delete old lines
	bool delete;
	int pos;
	int ticket;
	for(i=ObjectsTotal()-1; i>=0; i--) {
		obj = ObjectName(i);
		if(StringFind(obj,"EASYORDER_MOD")>=0) {
			delete = True;
			pos = StringFind(obj,"#",1);
			if(pos<0) continue;
			ticket = StrToDouble(StringSubstr(obj,pos+1,StringLen(obj)-pos-1));
			if(OrderSelect(ticket,SELECT_BY_TICKET)) {
				if(OrderCloseTime()==0) delete = false;
			}
			if(delete) ObjectDelete(obj);
		}
	}
	double sl, tp;
	for(i=0; i<OrdersTotal(); i++) {
		OrderSelect(i,SELECT_BY_POS);
		if(OrderSymbol()==Symbol()) {
			ticket = OrderTicket();			
			obj = "EASYORDER_MOD_SL_#"+ticket;
			sl = OrderStopLoss();
			tp = OrderTakeProfit();
			if(sl==0) sl = OrderOpenPrice();
			if(tp==0) tp = OrderOpenPrice();
			if(ObjectFind(obj)>=0)	ObjectMove(obj,0,Time[0],sl);
			else DrawLine("SL",ticket,sl);
			obj = "EASYORDER_MOD_TP_#"+ticket;
			if(ObjectFind(obj)>=0)	ObjectMove(obj,0,Time[0],tp);
			else DrawLine("TP",ticket,tp);
			if(OrderType()>OP_SELL) {
				obj = "EASYORDER_MOD_PRICE_#"+ticket;
				if(ObjectFind(obj)>=0)	ObjectMove(obj,0,Time[0],OrderOpenPrice());
				else DrawLine("PRICE",ticket,OrderOpenPrice());				
			}
		}
	}
}

void ModifyOrder()
{
	string obj;
	int i, ticket;
	double sl, price, tp;
	double osl, otp;
	for(i=0; i<OrdersTotal(); i++) {
		OrderSelect(i,SELECT_BY_POS);
		if(OrderSymbol()==Symbol()) {
			ticket = OrderTicket();
			sl = 0; price = 0; tp = 0;
			obj = "EASYORDER_MOD_SL_#"+ticket;
			osl = OrderStopLoss();			
			if(osl==0) osl = OrderOpenPrice();
			otp = OrderStopLoss();
			if(otp==0) otp = OrderOpenPrice();			
			if(ObjectFind(obj)>=0)	{
				if(MathAbs(ObjectGet(obj,OBJPROP_PRICE1)-osl)>Point) sl = ObjectGet(obj,OBJPROP_PRICE1);
			}
			
			obj = "EASYORDER_MOD_TP_#"+ticket;
			if(ObjectFind(obj)>=0)	{
				if(MathAbs(ObjectGet(obj,OBJPROP_PRICE1)-otp)>Point) tp = ObjectGet(obj,OBJPROP_PRICE1);
			}
						
			if(OrderType()>OP_SELL) {
				obj = "EASYORDER_MOD_PRICE_#"+ticket;
				if(ObjectFind(obj)>=0)	{
					if(MathAbs(ObjectGet(obj,OBJPROP_PRICE1)-OrderOpenPrice())>Point) price = ObjectGet(obj,OBJPROP_PRICE1);
				}
			}
			
			if(sl+tp+price>0) {
				if(sl==0) sl = OrderStopLoss();
				if(tp==0) tp = OrderTakeProfit();
				if(price==0) price = OrderOpenPrice();
				OrderModify(ticket,price,sl,tp,0,CLR_NONE);
			}
		}
	}
}

void DrawLine(string type, int ticket, double level)
{
	string obj = "EASYORDER_MOD_"+type+"_#"+ticket;
	color clr = Red;
	if(type=="PRICE") clr = LimeGreen;
	//else if(type=="TP") clr = Blue;
	ObjectCreate(obj,OBJ_HLINE,0,Time[0],level,0,0);
	ObjectSet(obj,OBJPROP_COLOR,clr);
	ObjectSet(obj,OBJPROP_STYLE,STYLE_DASHDOT);
}