/*****************************************************************
Provided By : eSignal. (c) Copyright 2004

Notes:

To enable/disable the trading buttons on the chart, right-click on
the "Endabled" or "Disabled" label just below the Buy/Sell buttons.

This formula is written for Interactive Broker Plug-in with 
version 7.7. 
*****************************************************************/

/*  Generic Broker functions *****

buyMarket(symbol, quantity [, route [, expiry]])
buyLimit(symbol, quantity, dLimit [, route [, expiry]])
buyStop(symbol, quantity, dStop [, route [, expiry]])
buyStopLimit(symbol, quantity, dLimit, dStop [, route [, expiry]])
 
sellMarket(symbol, quantity [, route [, expiry]])
sellLimit(symbol, quantity, dLimit [, route [, expiry]])
sellStop(symbol, quantity, dStop [, route [, expiry]])
sellStopLimit(symbol, quantity, dLimit, dStop [, route [, expiry]])

*****************************/


function preMain() {
	setStudyTitle("IB Trade Buttons 1 ");
	setPriceStudy(true);
	setShowCursorLabel(false);
	
	// default parameters
	var dp0 = new FunctionParameter("Enable", FunctionParameter.BOOLEAN);
	dp0.setName("Enable Trading");
	dp0.setDefault(false);
	
	var dp1 = new FunctionParameter("Size", FunctionParameter.NUMBER);
	dp1.setName("Default Lot Size");
	dp1.setLowerLimit(1);
	dp1.setDefault(1);
	
	/*var dp2 = new FunctionParameter("Type", FunctionParameter.STRING);
	dp2.setName("Default Trade Type");
	dp2.addOption("LIMIT");
	dp2.addOption("MARKET");
	dp2.addOption("STOP");
	dp2.setDefault("MARKET");*/
}

var bEdit = true;
var vEnable = "false";
var vSize = null;
var vType = "MARKET";

function main(Enable, Size) {
	var nState = getBarState();
	
	if (bEdit == true) {
        if (Enable != null) {
            vEnable = Enable+"";
            setGlobalValue("IBTrade", vEnable);
        }
        vSize = Size;
        var sellText = " Sell ";
        var buyText = " Buy ";
        var enabledText = "Enabled";
        var eColor = Color.green;
        if (vEnable == "false" || vEnable == false) {
            enabledText = "Disabled";
            eColor = Color.red;
        }
		drawTextAbsolute(5, 15, "    ", 
			Color.black, Color.lightgrey, 
			Text.RELATIVETOLEFT | Text.RELATIVETOBOTTOM | Text.FRAME  | Text.BOLD | Text.CENTER, 
			"Arial", 43, "border");
        drawTextAbsolute(5, 15, enabledText+"@URL=EFS:editParameters", 
            eColor, Color.lightgrey, 
            Text.RELATIVETOLEFT | Text.RELATIVETOBOTTOM | Text.ONTOP | Text.CENTER, 
            "Arial", 10, "msg");
		drawTextAbsolute(5, 49, " Buy "+Size+" @URL=EFS:BuyCallBack", 
			Color.white, Color.green, 
			Text.RELATIVETOLEFT | Text.RELATIVETOBOTTOM | Text.FRAME  | Text.ONTOP | Text.BOLD | Text.CENTER, 
			"Arial", 12, "OB");
		drawTextAbsolute(5, 29, " Sell "+Size+"@URL=EFS:SellCallBack", 
			Color.white, Color.red, 
			Text.RELATIVETOLEFT | Text.RELATIVETOBOTTOM | Text.FRAME | Text.ONTOP | Text.BOLD | Text.CENTER, 
			"Arial", 12, "OS");
        bEdit = false;
	}
	
	return;
}


/******************
 *** Functions ****
 ******************/

function BuyCallBack(nButtonPressed) {
    var bTrade = getGlobalValue("IBTrade");
    if (bTrade == "true") {
        Alert.playSound("pop.wav");
        if (nButtonPressed == BUTTON_LEFT) {
            if (vType == "MARKET") buyMarket(getSymbol(), vSize);
        }
    }
}

function SellCallBack(nButtonPressed) {
    var bTrade = getGlobalValue("IBTrade");
    if (bTrade == "true") {
        Alert.playSound("tap2.wav");
        if (nButtonPressed == BUTTON_LEFT) {
            if (vType == "MARKET") sellMarket(getSymbol(), vSize);
        }
    }
}

var nClick = 0;
function editParameters(nButtonPressed) {
    if(nButtonPressed == BUTTON_RIGHT) nClick++;
    if(nButtonPressed == BUTTON_RIGHT && nClick == 1) {
        bEdit = true;
        var bTrade = getGlobalValue("IBTrade");
        if (bTrade == "false") {
            bTrade = "true";
        } else if (bTrade == "true") {
            bTrade = "false";
        }
        main(bTrade);
    } else if (nButtonPressed == BUTTON_LEFT) {
        askForInput("Trading Parameters");
    }
    
    if (nClick >= 2) nClick = 0;
    
    return;
}