﻿// JScript File

function FieldFormat(oField)
{
	if (oField)
		oField.value = sprintf("$%a", stringFilter(oField.value));
}

function SetupFieldFormatter(sId)
{
    var oField;
    oField = document.getElementById(sId);
    if (oField)
    {
        //_addEventListener(oField, "change", (function(oField){FieldFormat(this);}) );
        //oField.addEventListener("change", function(oField){FieldFormat(this);}, false);
        oField.onchange = function(oField){FieldFormat(this);};
        FieldFormat(oField);
    }
}

function stringFilter(input_val)
{
	s = input_val;
	filteredValues = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*()-=_+[]{}\\|;:'\",<>/?`~";     // Characters stripped out
	
	var i;
	var returnString = "";
	
	for (i = 0; i < s.length; i++)
	{  // Search through string and append to unfiltered values to returnString.
		var c = s.charAt(i);
		if (filteredValues.indexOf(c) == -1) returnString += c;
	}
	
	return returnString;
}

function sprintf( ) {
    // http://kevin.vanzonneveld.net
    // +   original by: Ash Searle (http://hexmen.com/blog/)
    // *     example 1: sprintf("%01.2f", 123.1);
    // *     returns 1: 123.10
		// added %a for accounting (monetary numbers, USA format: $123,456.78)
 
    function pad(str, len, chr, leftJustify) {
        var padding = (str.length >= len) ? '' : Array(1 + len - str.length >>> 0).join(chr);
        return leftJustify ? str + padding : padding + str;
    }
 
    function justify(value, prefix, leftJustify, minWidth, zeroPad) {
        var diff = minWidth - value.length;
        if (diff > 0) {
            if (leftJustify || !zeroPad) {
            value = pad(value, minWidth, ' ', leftJustify);
            } else {
            value = value.slice(0, prefix.length) + pad('', diff, '0', true) + value.slice(prefix.length);
            }
        }
        return value;
    }
 
    function formatBaseX(value, base, prefix, leftJustify, minWidth, precision, zeroPad) {
        // Note: casts negative numbers to positive ones
        var number = value >>> 0;
        prefix = prefix && number && {'2': '0b', '8': '0', '16': '0x'}[base] || '';
        value = prefix + pad(number.toString(base), precision || 0, '0', false);
        return justify(value, prefix, leftJustify, minWidth, zeroPad);
    }
 
    function formatString(value, leftJustify, minWidth, precision, zeroPad) {
        if (precision != null) {
            value = value.slice(0, precision);
        }
        return justify(value, '', leftJustify, minWidth, zeroPad);
    }
 
    var regex = /%%|%(\d+\$)?([-+#0 ]*)(\*\d+\$|\*|\d+)?(\.(\*\d+\$|\*|\d+))?([ascboxXuidfegEG])/g;
    var a = arguments, i = 0, format = a[i++];
 
    return format.replace(regex, function(substring, valueIndex, flags, minWidth, _, precision, type) {
        if (substring == '%%') return '%';
 
        // parse flags
        var leftJustify = false, positivePrefix = '', zeroPad = false, prefixBaseX = false;
        for (var j = 0; flags && j < flags.length; j++) switch (flags.charAt(j)) {
            case ' ': positivePrefix = ' '; break;
            case '+': positivePrefix = '+'; break;
            case '-': leftJustify = true; break;
            case '0': zeroPad = true; break;
            case '#': prefixBaseX = true; break;
        }
 
        // parameters may be null, undefined, empty-string or real valued
        // we want to ignore null, undefined and empty-string values
        if (!minWidth) {
            minWidth = 0;
        } else if (minWidth == '*') {
            minWidth = +a[i++];
        } else if (minWidth.charAt(0) == '*') {
            minWidth = +a[minWidth.slice(1, -1)];
        } else {
            minWidth = +minWidth;
        }
 
        // Note: undocumented perl feature:
        if (minWidth < 0) {
            minWidth = -minWidth;
            leftJustify = true;
        }
 
        if (!isFinite(minWidth)) {
            throw new Error('sprintf: (minimum-)width must be finite');
        }
 
        if (!precision) {
            precision = 'fFeE'.indexOf(type) > -1 ? 6 : (type == 'd') ? 0 : void(0);
        } else if (precision == '*') {
            precision = +a[i++];
        } else if (precision.charAt(0) == '*') {
            precision = +a[precision.slice(1, -1)];
        } else {
            precision = +precision;
        }
 
        // grab value using valueIndex if required?
        var value = valueIndex ? a[valueIndex.slice(0, -1)] : a[i++];
 
        switch (type) {
						case 'a': return number_format(value, 2, '.', ',');
            case 's': return formatString(String(value), leftJustify, minWidth, precision, zeroPad);
            case 'c': return formatString(String.fromCharCode(+value), leftJustify, minWidth, precision, zeroPad);
            case 'b': return formatBaseX(value, 2, prefixBaseX, leftJustify, minWidth, precision, zeroPad);
            case 'o': return formatBaseX(value, 8, prefixBaseX, leftJustify, minWidth, precision, zeroPad);
            case 'x': return formatBaseX(value, 16, prefixBaseX, leftJustify, minWidth, precision, zeroPad);
            case 'X': return formatBaseX(value, 16, prefixBaseX, leftJustify, minWidth, precision, zeroPad).toUpperCase();
            case 'u': return formatBaseX(value, 10, prefixBaseX, leftJustify, minWidth, precision, zeroPad);
            case 'i':
            case 'd': {
                      var number = parseInt(+value);
                      var prefix = number < 0 ? '-' : positivePrefix;
                      value = prefix + pad(String(Math.abs(number)), precision, '0', false);
                      return justify(value, prefix, leftJustify, minWidth, zeroPad);
                  }
            case 'e':
            case 'E':
            case 'f':
            case 'F':
            case 'g':
            case 'G':
                      {
                      var number = +value;
                      var prefix = number < 0 ? '-' : positivePrefix;
                      var method = ['toExponential', 'toFixed', 'toPrecision']['efg'.indexOf(type.toLowerCase())];
                      var textTransform = ['toString', 'toUpperCase']['eEfFgG'.indexOf(type) % 2];
                      value = prefix + Math.abs(number)[method](precision);
                      return justify(value, prefix, leftJustify, minWidth, zeroPad)[textTransform]();
                  }
            default: return substring;
        }
    });
}

function number_format( number, decimals, dec_point, thousands_sep ) {
    // +   original by: Jonas Raoni Soares Silva (http://www.jsfromhell.com)
    // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
    // *     example 1: number_format(1234.5678, 2, '.', '');
    // *     returns 1: 1234.57
 
    var i, j, kw, kd, km;
 
    // input sanitation & defaults
    if( isNaN(decimals = Math.abs(decimals)) ){
        decimals = 2;
    }
    if( dec_point == undefined ){
        dec_point = ",";
    }
    if( thousands_sep == undefined ){
        thousands_sep = ".";
    }
 
    i = parseInt(number = (+number || 0).toFixed(decimals)) + "";
 
    if( (j = i.length) > 3 ){
        j = j % 3;
    } else{
        j = 0;
    }
 
    km = (j ? i.substr(0, j) + thousands_sep : "");
    kw = i.substr(j).replace(/(\d{3})(?=\d)/g, "$1" + thousands_sep);
    kd = (decimals ? dec_point + Math.abs(number - i).toFixed(decimals).slice(2) : "");
 
 
    return km + kw + kd;
}
