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/**
* Stateless object for input parser functions..
* The intent is the methods here will only relate to the parsing
* of input[type="date|time"]
*/
ValueSelector.InputParser = (function() {
var InputParser = {
_dateParts: ['year', 'month', 'date'],
_timeParts: ['hours', 'minutes', 'seconds'],
/**
* Import HTML5 input[type="time"] string value
*
* @param {String} value 23:20:50.52, 17:39:57.
* @return {Object} { hours: 23, minutes: 20, seconds: 50 }.
*/
importTime: function(value) {
var result = {
hours: 0,
minutes: 0,
seconds: 0
};
var parts = value.split(':');
var part;
var partName;
var i = 0;
var len = InputParser._timeParts.length;
for (; i < len; i++) {
partName = InputParser._timeParts[i];
part = parts[i];
if (part) {
result[partName] = parseInt(part.slice(0, 2), 10) || 0;
}
}
return result;
},
/**
* Export date to HTML5 input[type="time"]
*
* @param {Date} value export value.
* @return {String} 17:39:57.
*/
exportTime: function(value) {
var hour = value.getHours();
var minute = value.getMinutes();
var second = value.getSeconds();
var result = '';
result += InputParser.padNumber(hour) + ':';
result += InputParser.padNumber(minute) + ':';
result += InputParser.padNumber(second);
return result;
},
/**
* Import HTML5 input[type="time"] to object.
*
* @param {String} value 1997-12-19.
* @return {Object} { year: 1997, month: 12, date: 19 }.
*/
importDate: function(value) {
var result = {
year: 0,
month: 0,
date: 0
};
var parts = value.split('-');
var part;
var partName;
var i = 0;
var len = InputParser._dateParts.length;
for (; i < len; i++) {
partName = InputParser._dateParts[i];
part = parts[i];
if (part) {
result[partName] = parseInt(part, 10);
}
}
if (result.month > 0) {
result.month = result.month - 1;
}
result.date = result.date || 1;
return result;
},
/**
* Export js date to HTML5 input[type="date"]
*
* @param {Date} value export value.
* @return {String} date string (1997-12-19).
*/
exportDate: function(value) {
var year = value.getFullYear();
var month = value.getMonth() + 1;
var date = value.getDate();
var result = '';
result += InputParser.padNumber(year) + '-';
result += InputParser.padNumber(month) + '-';
result += InputParser.padNumber(date);
return result;
},
/**
* Designed to take a date & time value from
* html5 input types and returns a JS Date.
*
* @param {String} date input date.
* @param {String} time input time.
*
* @return {Date} full date object from date/time.
*/
formatInputDate: function(date, time) {
time = InputParser.importTime(time);
date = InputParser.importDate(date);
return new Date(
date.year,
date.month,
date.date,
time.hours,
time.minutes,
time.seconds
);
},
/**
* @param {Numeric} numeric value.
* @return {String} Pad the numeric with a leading zero if < 10.
*/
padNumber: function(numeric) {
var value = String(numeric);
if (numeric < 10) {
return '0' + value;
}
return value;
}
};
return InputParser;
}());
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