//Module pattern to avoid sprintfWrapper polluting the global scope
(function() {
/**
*  Javascript sprintf from http://www.webtoolkit.info/
**/
var sprintfWrapper = {
	init : function () {

		if (typeof arguments == "undefined") { return null; }
		if (arguments.length < 1) { return null; }
		if (typeof arguments[0] != "string") { return null; }
		if (typeof RegExp == "undefined") { return null; }

		var string = arguments[0];
		var exp = new RegExp(/(%([%]|(\-)?(\+|\x20)?(0)?(\d+)?(\.(\d)?)?([bcdfosxX])))/g);
		var matches = new Array();
		var strings = new Array();
		var convCount = 0;
		var stringPosStart = 0;
		var stringPosEnd = 0;
		var matchPosEnd = 0;
		var newString = '';
		var match = null;

		while (match = exp.exec(string)) {
			if (match[9]) { convCount += 1; }

			stringPosStart = matchPosEnd;
			stringPosEnd = exp.lastIndex - match[0].length;
			strings[strings.length] = string.substring(stringPosStart, stringPosEnd);

			matchPosEnd = exp.lastIndex;
			matches[matches.length] = {
				match: match[0],
				left: match[3] ? true : false,
				sign: match[4] || '',
				pad: match[5] || ' ',
				min: match[6] || 0,
				precision: match[8],
				code: match[9] || '%',
				negative: parseInt(arguments[convCount]) < 0 ? true : false,
				argument: String(arguments[convCount])
			};
		}
		strings[strings.length] = string.substring(matchPosEnd);

		if (matches.length == 0) { return string; }
		if ((arguments.length - 1) < convCount) { return null; }

		var code = null;
		var match = null;
		var i = null;

		for (i=0; i<matches.length; i++) {

			if (matches[i].code == '%') { substitution = '%' }
			else if (matches[i].code == 'b') {
				matches[i].argument = String(Math.abs(parseInt(matches[i].argument)).toString(2));
				substitution = sprintfWrapper.convert(matches[i], true);
			}
			else if (matches[i].code == 'c') {
				matches[i].argument = String(String.fromCharCode(parseInt(Math.abs(parseInt(matches[i].argument)))));
				substitution = sprintfWrapper.convert(matches[i], true);
			}
			else if (matches[i].code == 'd') {
				matches[i].argument = String(Math.abs(parseInt(matches[i].argument)));
				substitution = sprintfWrapper.convert(matches[i]);
			}
			else if (matches[i].code == 'f') {
				matches[i].argument = String(Math.abs(parseFloat(matches[i].argument)).toFixed(matches[i].precision ? matches[i].precision : 6));
				substitution = sprintfWrapper.convert(matches[i]);
			}
			else if (matches[i].code == 'o') {
				matches[i].argument = String(Math.abs(parseInt(matches[i].argument)).toString(8));
				substitution = sprintfWrapper.convert(matches[i]);
			}
			else if (matches[i].code == 's') {
				matches[i].argument = matches[i].argument.substring(0, matches[i].precision ? matches[i].precision : matches[i].argument.length)
				substitution = sprintfWrapper.convert(matches[i], true);
			}
			else if (matches[i].code == 'x') {
				matches[i].argument = String(Math.abs(parseInt(matches[i].argument)).toString(16));
				substitution = sprintfWrapper.convert(matches[i]);
			}
			else if (matches[i].code == 'X') {
				matches[i].argument = String(Math.abs(parseInt(matches[i].argument)).toString(16));
				substitution = sprintfWrapper.convert(matches[i]).toUpperCase();
			}
			else {
				substitution = matches[i].match;
			}

			newString += strings[i];
			newString += substitution;

		}
		newString += strings[i];

		return newString;

	},

	convert : function(match, nosign){
		if (nosign) {
			match.sign = '';
		} else {
			match.sign = match.negative ? '-' : match.sign;
		}
		var l = match.min - match.argument.length + 1 - match.sign.length;
		var pad = new Array(l < 0 ? 0 : l).join(match.pad);
		if (!match.left) {
			if (match.pad == "0" || nosign) {
				return match.sign + pad + match.argument;
			} else {
				return pad + match.sign + match.argument;
			}
		} else {
			if (match.pad == "0" || nosign) {
				return match.sign + match.argument + pad.replace(/0/g, ' ');
			} else {
				return match.sign + match.argument + pad;
			}
		}
	}
}
MM.util = {
	addAutoComplete: function(selector, url, chars, onlyLast) {
		var inputs = $(selector);
		if (onlyLast) {
			$(inputs[inputs.length - 1]).autocomplete(url, { minChars:chars });
		} else {
			$(inputs).autocomplete(url, {minChars:chars, delay:200});
		}
	},
	sprintf: sprintfWrapper.init,
	addUrlParameter: function(param, value, href) {
		if (href == undefined) {
			href = location.href;
		}
		var paramRE = new RegExp('[&?]' + param + '=');
		if (href.indexOf('/'+param+'/') != -1) {
			var urlRE = new RegExp('/' + param + '/[^/]+');
			href = href.replace(urlRE, '/'+param+'/' + value);
		} else if (href.search(paramRE) != -1) {
			var re = new RegExp('([&?])' + param + '=[^&]+');
			href = href.replace(re, '$1'+param+'=' + value);
		} else if (href.search(/[&?]+/) != -1) {
			href = href + '&'+param+'=' + value;
		} else if ((href + '/').indexOf(MM.config.action_path) == -1) {
			href = href + (href.substr(-1)=='/'?'':'/') + 'index/' + param + '/' + value;
		} else {
			href = href + (href.substr(-1)=='/'?'':'/') + param + '/' + value;
		}
		return href;
	},
	removeUrlParameter: function(param, href) {
		if (href == undefined) {
			href = location.href;
		}
		var paramRE = new RegExp('[&?]' + param + '=');
		if (href.indexOf('/'+param+'/') != -1) {
			var urlRE = new RegExp('/' + param + '/[^/]+');
			href = href.replace(urlRE, '');
		} else if (href.search(paramRE) != -1) {
			var re = new RegExp('([&?])' + param + '=[^&]+');
			href = href.replace(re, '');
		}
		return href;
	}, 
	removeQuestionParameter: function (href) {
		
		if (href == undefined) {
			href = location.href;
		}
		
		if (href.indexOf("?") != -1) {
			href = href.substr(0, href.indexOf("?"));
		}
		
		
		
		return href;
		
		
		
	}
	
};
}());