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mobiscroll.js
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/*!
* jQuery MobiScroll v1.6
* http://mobiscroll.com
*
* Copyright 2010-2011, Acid Media
* Licensed under the MIT license.
*
*/
(function ($) {
function Scroller(elm, dw, settings) {
var that = this,
s = settings,
yOrd,
mOrd,
dOrd,
iv = {},
tv = {},
visible = false;
this.settings = s;
this.values = null;
this.val = null;
// Temporary values
this.temp = null;
/**
* Set settings for all instances.
* @param {Object} o - New default settings.
*/
this.setDefaults = function(o) {
$.extend(defaults, o);
}
/**
* Enables the scroller and the associated input.
*/
this.enable = function() {
s.disabled = false;
if ($(elm).is(':input'))
$(elm).prop('disabled', false);
}
/**
* Scrolls target to the specified position
* @param {Object} t - Target wheel jQuery object.
* @param {Number} val - Value.
* @param {Number} [time] - Duration of the animation, optional.
*/
this.scroll = function(t, val, time, orig, index) {
//t.data('pos', val)
t.attr('style', (time ? (prefix + '-transition:all ' + time.toFixed(1) + 's ease-out;') : '') + (has3d ? (prefix + '-transform:translate3d(0,' + (val * h) + 'px,0);') : ('top:' + (val * h) + 'px;')));
function getVal(t, b, c, d) {
return c * Math.sin(t/d * (Math.PI/2)) + b;
}
if (time) {
var i = 0;
clearInterval(iv[index]);
iv[index] = setInterval(function() {
i += 0.1;
t.data('pos', Math.round(getVal(i, orig, val - orig, time)));
if (i >= time) {
clearInterval(iv[index]);
t.data('pos', val);
}
}, 100);
// Show +/- buttons
clearTimeout(tv[index]);
tv[index] = setTimeout(function() {
if (!t.hasClass('dwa'))
t.closest('.dwwl').find('.dwwb').fadeIn('fast');
}, time * 1000);
}
else {
t.data('pos', val)
}
}
/**
* Disables the scroller and the associated input.
*/
this.disable = function() {
s.disabled = true;
if ($(elm).is(':input'))
$(elm).prop('disabled', true);
}
/**
* Format a date into a string value with a specified format.
* @param {String} format - Output format.
* @param {Date} date - Date to format.
* @param {Object} settings - Settings.
* @return {String} - Returns the formatted date string.
*/
this.formatDate = function (format, date, settings) {
if (!date) return null;
var s = $.extend({}, this.settings, settings),
// Check whether a format character is doubled
look = function(m) {
var n = 0;
while (i + 1 < format.length && format.charAt(i + 1) == m) { n++; i++; };
return n;
},
// Format a number, with leading zero if necessary
f1 = function(m, val, len) {
var n = '' + val;
if (look(m))
while (n.length < len)
n = '0' + n;
return n;
},
// Format a name, short or long as requested
f2 = function(m, val, s, l) {
return (look(m) ? l[val] : s[val]);
},
output = '',
literal = false;
for (var i = 0; i < format.length; i++) {
if (literal)
if (format.charAt(i) == "'" && !look("'"))
literal = false;
else
output += format.charAt(i);
else
switch (format.charAt(i)) {
case 'd':
output += f1('d', date.getDate(), 2);
break;
case 'D':
output += f2('D', date.getDay(), s.dayNamesShort, s.dayNames);
break;
case 'o':
output += f1('o', (date.getTime() - new Date(date.getFullYear(), 0, 0).getTime()) / 86400000, 3);
break;
case 'm':
output += f1('m', date.getMonth() + 1, 2);
break;
case 'M':
output += f2('M', date.getMonth(), s.monthNamesShort, s.monthNames);
break;
case 'y':
output += (look('y') ? date.getFullYear() : (date.getYear() % 100 < 10 ? '0' : '') + date.getYear() % 100);
break;
case 'h':
var h = date.getHours();
output += f1('h', (h > 12 ? (h - 12) : (h == 0 ? 12 : h)), 2);
break;
case 'H':
output += f1('H', date.getHours(), 2);
break;
case 'i':
output += f1('i', date.getMinutes(), 2);
break;
case 's':
output += f1('s', date.getSeconds(), 2);
break;
case 'a':
output += date.getHours() > 11 ? 'pm' : 'am';
break;
case 'A':
output += date.getHours() > 11 ? 'PM' : 'AM';
break;
case "'":
if (look("'"))
output += "'";
else
literal = true;
break;
default:
output += format.charAt(i);
}
}
return output;
}
/**
* Extract a date from a string value with a specified format.
* @param {String} format - Input format.
* @param {String} value - String to parse.
* @param {Object} settings - Settings.
* @return {Date} - Returns the extracted date.
*/
this.parseDate = function (format, value, settings) {
var def = new Date();
if (!format || !value) return def;
value = (typeof value == 'object' ? value.toString() : value + '');
var s = $.extend({}, this.settings, settings),
year = def.getFullYear(),
month = def.getMonth() + 1,
day = def.getDate(),
doy = -1,
hours = def.getHours(),
minutes = def.getMinutes(),
seconds = def.getSeconds(),
ampm = -1,
literal = false,
// Check whether a format character is doubled
lookAhead = function(match) {
var matches = (iFormat + 1 < format.length && format.charAt(iFormat + 1) == match);
if (matches)
iFormat++;
return matches;
},
// Extract a number from the string value
getNumber = function(match) {
lookAhead(match);
var size = (match == '@' ? 14 : (match == '!' ? 20 :
(match == 'y' ? 4 : (match == 'o' ? 3 : 2))));
var digits = new RegExp('^\\d{1,' + size + '}');
var num = value.substr(iValue).match(digits);
if (!num)
throw 'Missing number at position ' + iValue;
iValue += num[0].length;
return parseInt(num[0], 10);
},
// Extract a name from the string value and convert to an index
getName = function(match, s, l) {
var names = (lookAhead(match) ? l : s);
for (var i = 0; i < names.length; i++) {
if (value.substr(iValue, names[i].length).toLowerCase() == names[i].toLowerCase()) {
iValue += names[i].length;
return i + 1;
}
}
throw 'Unknown name at position ' + iValue;
},
// Confirm that a literal character matches the string value
checkLiteral = function() {
if (value.charAt(iValue) != format.charAt(iFormat))
throw 'Unexpected literal at position ' + iValue;
iValue++;
},
iValue = 0;
for (var iFormat = 0; iFormat < format.length; iFormat++) {
if (literal)
if (format.charAt(iFormat) == "'" && !lookAhead("'"))
literal = false;
else
checkLiteral();
else
switch (format.charAt(iFormat)) {
case 'd':
day = getNumber('d');
break;
case 'D':
getName('D', s.dayNamesShort, s.dayNames);
break;
case 'o':
doy = getNumber('o');
break;
case 'm':
month = getNumber('m');
break;
case 'M':
month = getName('M', s.monthNamesShort, s.monthNames);
break;
case 'y':
year = getNumber('y');
break;
case 'H':
hours = getNumber('H');
break;
case 'h':
hours = getNumber('h');
break;
case 'i':
minutes = getNumber('i');
break;
case 's':
seconds = getNumber('s');
break;
case 'a':
ampm = getName('a', ['am', 'pm'], ['am', 'pm']) - 1;
break;
case 'A':
ampm = getName('A', ['am', 'pm'], ['am', 'pm']) - 1;
break;
case "'":
if (lookAhead("'"))
checkLiteral();
else
literal = true;
break;
default:
checkLiteral();
}
}
if (year < 100)
year += new Date().getFullYear() - new Date().getFullYear() % 100 +
(year <= s.shortYearCutoff ? 0 : -100);
if (doy > -1) {
month = 1;
day = doy;
do {
var dim = 32 - new Date(year, month - 1, 32).getDate();
if (day <= dim)
break;
month++;
day -= dim;
} while (true);
}
hours = (ampm == -1) ? hours : ((ampm && hours < 12) ? (hours + 12) : (!ampm && hours == 12 ? 0 : hours));
//if (ampm && hours < 12) hours += 12;
var date = new Date(year, month - 1, day, hours, minutes, seconds);
if (date.getFullYear() != year || date.getMonth() + 1 != month || date.getDate() != day)
throw 'Invalid date'; // E.g. 31/02/*
return date;
}
/**
* Gets the selected wheel values, formats it, and set the value of the scroller instance.
* If input parameter is true, populates the associated input element.
* @param {Boolean} [input] - Also set the value of the associated input element. Default is true.
*/
this.setValue = function (input) {
if (input == undefined) input = true;
var v = this.formatResult();
this.val = v;
this.values = this.temp.slice(0);
if (input && $(elm).is(':input')) $(elm).val(v).change();
}
/**
* Returns the currently selected date.
* @return {Date}
*/
this.getDate = function () {
var d = this.values;
if (s.preset == 'date')
return new Date(d[yOrd], d[mOrd], d[dOrd]);
if (s.preset == 'time') {
var hour = (s.ampm) ? ((d[s.seconds ? 3 : 2] == 'PM' && (d[0] - 0) < 12) ? (d[0] - 0 + 12) : (d[s.seconds ? 3 : 2] == 'AM' && (d[0] == 12) ? 0 : d[0])) : d[0];
return new Date(1970, 0, 1, hour, d[1], s.seconds ? d[2] : null);
}
if (s.preset == 'datetime') {
var hour = (s.ampm) ? ((d[s.seconds ? 6 : 5] == 'PM' && (d[3] - 0) < 12) ? (d[3] - 0 + 12) : (d[s.seconds ? 6 : 5] == 'AM' && (d[3] == 12) ? 0 : d[3])) : d[3];
return new Date(d[yOrd], d[mOrd], d[dOrd], hour, d[4], s.seconds ? d[5] : null);
}
}
/**
* Sets the selected date
* @param {Date} d - Date to select.
* @param {Boolean} [input] - Also set the value of the associated input element. Default is true.
*/
this.setDate = function (d, input) {
if (s.preset.match(/date/i)) {
this.temp[yOrd] = d.getFullYear();
this.temp[mOrd] = d.getMonth();
this.temp[dOrd] = d.getDate();
}
if (s.preset == 'time') {
var hour = d.getHours();
this.temp[0] = (s.ampm) ? (hour > 12 ? (hour - 12) : (hour == 0 ? 12 : hour)) : hour;
this.temp[1] = d.getMinutes();
if (s.seconds) this.temp[2] = d.getSeconds();
if (s.ampm) this.temp[s.seconds ? 3 : 2] = hour > 11 ? 'PM' : 'AM';
}
if (s.preset == 'datetime') {
var hour = d.getHours();
this.temp[3] = (s.ampm) ? (hour > 12 ? (hour - 12) : (hour == 0 ? 12 : hour)) : hour;
this.temp[4] = d.getMinutes();
if (s.seconds) this.temp[5] = d.getSeconds();
if (s.ampm) this.temp[s.seconds ? 6 : 5] = hour > 11 ? 'PM' : 'AM';
}
this.setValue(input);
}
/**
* Extracts the selected wheel values form the string value.
* @param {String} val - String to parse.
* @return {Array} Array with the selected wheel values.
*/
this.parseValue = function (val) {
if (this.preset) {
var result = [];
if (s.preset == 'date') {
try { var d = this.parseDate(s.dateFormat, val, s); } catch (e) { var d = new Date(); };
result[yOrd] = d.getFullYear();
result[mOrd] = d.getMonth();
result[dOrd] = d.getDate();
}
else if (s.preset == 'time') {
try { var d = this.parseDate(s.timeFormat, val, s); } catch (e) { var d = new Date(); };
var hour = d.getHours();
result[0] = (s.ampm) ? (hour > 12 ? (hour - 12) : (hour == 0 ? 12 : hour)) : hour;
result[1] = d.getMinutes();
if (s.seconds) result[2] = d.getSeconds();
if (s.ampm) result[s.seconds ? 3 : 2] = hour > 11 ? 'PM' : 'AM';
}
else if (s.preset == 'datetime') {
try { var d = this.parseDate(s.dateFormat + ' ' + s.timeFormat, val, s); } catch (e) { var d = new Date(); };
var hour = d.getHours();
result[yOrd] = d.getFullYear();
result[mOrd] = d.getMonth();
result[dOrd] = d.getDate();
result[3] = (s.ampm) ? (hour > 12 ? (hour - 12) : (hour == 0 ? 12 : hour)) : hour;
result[4] = d.getMinutes();
if (s.seconds) result[5] = d.getSeconds();
if (s.ampm) result[s.seconds ? 6 : 5] = hour > 11 ? 'PM' : 'AM';
}
return result;
}
return s.parseValue(val, this);
}
/**
* Formats the selected wheel values form the required format.
* @return {String} Formatted string.
*/
this.formatResult = function () {
var d = this.temp;
if (this.preset) {
if (s.preset == 'date') {
return this.formatDate(s.dateFormat, new Date(d[yOrd], d[mOrd], d[dOrd]), s);
}
else if (s.preset == 'datetime') {
var hour = (s.ampm) ? ((d[s.seconds ? 6 : 5] == 'PM' && (d[3] - 0) < 12) ? (d[3] - 0 + 12) : (d[s.seconds ? 6 : 5] == 'AM' && (d[3] == 12) ? 0 : d[3])) : d[3];
return this.formatDate(s.dateFormat + ' ' + s.timeFormat, new Date(d[yOrd], d[mOrd], d[dOrd], hour, d[4], s.seconds ? d[5] : null), s);
}
else if (s.preset == 'time') {
var hour = (s.ampm) ? ((d[s.seconds ? 3 : 2] == 'PM' && (d[0] - 0) < 12) ? (d[0] - 0 + 12) : (d[s.seconds ? 3 : 2] == 'AM' && (d[0] == 12) ? 0 : d[0])) : d[0];
return this.formatDate(s.timeFormat, new Date(1970, 0, 1, hour, d[1], s.seconds ? d[2] : null), s);
}
}
return s.formatResult(d);
}
/**
* Checks if the current selected values are valid together.
* In case of date presets it checks the number of days in a month.
* @param {Integer} i - Currently changed wheel index, -1 if initial validation.
*/
this.validate = function(i) {
// If target is month, show/hide days
if (this.preset && s.preset.match(/date/i) && ((i == yOrd) || (i == mOrd) || (i == -1))) {
var days = 32 - new Date(this.temp[yOrd], this.temp[mOrd], 32).getDate() - 1;
var day = $('ul:eq(' + dOrd + ')', dw);
$('li', day).show();
$('li:gt(' + days + ')', day).hide();
if (this.temp[dOrd] > days) {
this.scroll(day, m - days - 1);
this.temp[dOrd] = $('li:eq(' + days + ')', day).data('val');
}
}
else {
s.validate(i);
}
}
/**
* Hides the scroller instance.
*/
this.hide = function () {
// If onClose handler returns false, prevent hide
if (s.onClose(this.val, this) === false) return false;
// Re-enable temporary disabled fields
$('.dwtd').prop('disabled', false).removeClass('dwtd');
$(elm).blur();
// Hide wheels and overlay
dw.hide();
dwo.hide();
visible = false;
if (this.preset)
s.wheels = null;
// Stop positioning on window resize
$(window).unbind('resize.dw');
}
/**
* Shows the scroller instance.
*/
this.show = function () {
if (s.disabled || visible) return false;
s.beforeShow(elm, this);
// Set global wheel element height
h = s.height;
m = Math.round(s.rows / 2);
inst = this;
this.init();
if (this.preset) {
// Create preset wheels
s.wheels = new Array();
if (s.preset.match(/date/i)) {
var w = {};
for (var k = 0; k < 3; k++) {
if (k == yOrd) {
w[s.yearText] = {};
for (var i = s.startYear; i <= s.endYear; i++)
w[s.yearText][i] = s.dateOrder.search(/yy/i) < 0 ? i.toString().substr(2, 2) : i.toString();
}
else if (k == mOrd) {
w[s.monthText] = {};
for (var i = 0; i < 12; i++)
w[s.monthText][i] =
(s.dateOrder.search(/MM/) < 0 ?
(s.dateOrder.search(/M/) < 0 ?
(s.dateOrder.search(/mm/) < 0 ? (i + 1) : (i < 9) ? ('0' + (i + 1)) : (i + 1)) : s.monthNamesShort[i]) : s.monthNames[i]);
}
else if (k == dOrd) {
w[s.dayText] = {};
for (var i = 1; i < 32; i++)
w[s.dayText][i] = s.dateOrder.search(/dd/i) < 0 ? i : (i < 10) ? ('0' + i) : i;
}
}
s.wheels.push(w);
}
if (s.preset.match(/time/i)) {
s.stepHour = (s.stepHour < 1) ? 1 : parseInt(s.stepHour);
s.stepMinute = (s.stepMinute < 1) ? 1 : parseInt(s.stepMinute);
s.stepSecond = (s.stepSecond < 1) ? 1 : parseInt(s.stepSecond);
var w = {};
w[s.hourText] = {};
for (var i = (s.ampm ? 1 : 0); i < (s.ampm ? 13 : 24); i += s.stepHour)
w[s.hourText][i] = (i < 10) ? ('0' + i) : i;
w[s.minuteText] = {};
for (var i = 0; i < 60; i += s.stepMinute)
w[s.minuteText][i] = (i < 10) ? ('0' + i) : i;
if (s.seconds) {
w[s.secText] = {};
for (var i = 0; i < 60; i += s.stepSecond)
w[s.secText][i] = (i < 10) ? ('0' + i) : i;
}
if (s.ampm) {
w[s.ampmText] = {};
w[s.ampmText]['AM'] = 'AM';
w[s.ampmText]['PM'] = 'PM';
}
s.wheels.push(w);
}
}
// Create wheels containers
$('.dwc', dw).remove();
for (var i = 0; i < s.wheels.length; i++) {
var dwc = $('<div class="dwc' + (s.mode != 'scroller' ? ' dwpm' : '') + (s.showLabel ? '' : ' dwhl') + '"><div class="dwwc dwrc"><div class="clear" style="clear:both;"></div></div>').insertBefore($('.dwbc', dw));
// Create wheels
for (var label in s.wheels[i]) {
var to1 = $('.dwwc .clear', dwc);
var w = $('<div class="dwwl dwrc">' + (s.mode != 'scroller' ? '<div class="dwwb dwwbp">+</div><div class="dwwb dwwbm">–</div>' : '') + '<div class="dwl">' + label + '</div><div class="dww dwrc"><ul></ul><div class="dwwo"></div></div><div class="dwwol"></div></div>').insertBefore(to1);
// Create wheel values
for (var j in s.wheels[i][label]) {
$('<li class="val_' + j + '">' + s.wheels[i][label][j] + '</li>').data('val', j).appendTo($('ul', w));
}
}
}
// Set scrollers to position
$('.dww ul', dw).each(function(i) {
var x = $('li', this).index($('li.val_' + that.temp[i], this));
while ((x < 0) && (--that.temp[i] >= 0)) {
x = $('li', this).index($('li.val_' + that.temp[i], this));
}
that.scroll($(this), m - (x < 0 ? 0 : x) - 1);
});
// Set value text
if (s.showValue)
$('.dwv', dw).html(this.formatResult()).show();
else
$('.dwv', dw).hide();
// Initial validate
that.validate(-1);
// Init buttons
$('#dw_set', dw).text(s.setText).unbind().bind('click', function (e) {
that.setValue();
s.onSelect(that.val, inst);
that.hide();
return false;
});
$('#dw_cancel', dw).text(s.cancelText).unbind().bind('click', function (e) {
s.onCancel(that.val, inst);
that.hide();
return false;
});
// Disable inputs to prevent bleed through (Android bug)
$(':input:not(:disabled)').addClass('dwtd');
$(':input').prop('disabled', true);
// Show
dwo.show();
dw.attr('class', 'dw ' + s.theme).show();
visible = true;
// Set sizes
$('.dww, .dwwl', dw).height(s.rows * h);
$('.dww', dw).each(function() { $(this).width($(this).parent().width() < s.width ? s.width : $(this).parent().width()); });
$('.dwbc a', dw).attr('class', s.btnClass);
$('.dww li, .dwwb', dw).css({
height: h,
lineHeight: h + 'px'
});
$('.dwwc', dw).each(function() {
var w = 0;
$('.dwwl', this).each(function() { w += $(this).outerWidth(true); });
$(this).width(w);
});
$('.dwc', dw).each(function() {
$(this).width($('.dwwc', this).outerWidth(true));
});
// Set position
this.pos();
$(window).bind('resize.dw', function() { that.pos(); });
}
/**
* Positions the scroller instance to the center of the viewport.
*/
this.pos = function() {
var totalw = 0,
minw = 0,
ww = $(window).width(),
wh = $(window).height(),
st = $(window).scrollTop(),
w,
h;
$('.dwc', dw).each(function() {
w = $(this).outerWidth(true);
totalw += w;
minw = (w > minw) ? w : minw;
});
w = totalw > ww ? minw : totalw;
dw.width(w);
w = dw.outerWidth();
h = dw.outerHeight();
dw.css({ left: (ww - w) / 2, top: st + (wh - h) / 2 });
dwo.height(0);
dwo.height($(document).height());
}
/**
* Scroller initialization.
*/
this.init = function() {
// Set year-month-day order
var ty = s.dateOrder.search(/y/i),
tm = s.dateOrder.search(/m/i),
td = s.dateOrder.search(/d/i);
yOrd = ty < tm ? (ty < td ? 0 : 1) : (ty < td ? 1 : 2);
mOrd = tm < ty ? (tm < td ? 0 : 1) : (tm < td ? 1 : 2);
dOrd = td < ty ? (td < tm ? 0 : 1) : (td < tm ? 1 : 2);
this.preset = (s.wheels === null);
this.temp = (($(elm).is('input') && this.val !== null && this.val != $(elm).val()) || this.values === null) ? this.parseValue($(elm).val() ? $(elm).val() : '') : this.values.slice(0);
this.setValue(false);
}
this.init();
// Set element readonly, save original state
if ($(elm).is(':input') && s.showOnFocus)
$(elm).data('dwro', $(elm).prop('readonly')).prop('readonly', true);
// Init show datewheel
$(elm).addClass('scroller').unbind('focus.dw').bind('focus.dw', function (e) {
if (s.showOnFocus)
that.show();
});
}
function testProps(props) {
for (var i in props) {
if (mod[props[i]] !== undefined ) {
return true;
}
}
return false;
}
function testPrefix() {
var prefixes = ['Webkit', 'Moz', 'O', 'ms'];
for (var p in prefixes) {
if (testProps([prefixes[p] + 'Transform']))
return '-' + prefixes[p].toLowerCase();
}
return '';
}
var dw,
dwo,
h,
m,
l,
inst, // Current instance
scrollers = {}, // Scroller instances
date = new Date(),
uuid = date.getTime(),
move = false,
target = null,
start,
stop,
startTime,
endTime,
pos,
mod = document.createElement(mod).style,
has3d = testProps(['perspectiveProperty', 'WebkitPerspective', 'MozPerspective', 'OPerspective', 'msPerspective']) && 'webkitPerspective' in document.documentElement.style,
prefix = testPrefix(),
touch = ('ontouchstart' in window),
START_EVENT = touch ? 'touchstart' : 'mousedown',
MOVE_EVENT = touch ? 'touchmove' : 'mousemove',
END_EVENT = touch ? 'touchend' : 'mouseup',
defaults = {
// Options
width: 80,
height: 40,
rows: 3,
disabled: false,
showOnFocus: true,
showValue: true,
showLabel: true,
wheels: null,
theme: '',
mode: 'scroller',
preset: 'date',
dateFormat: 'mm/dd/yy',
dateOrder: 'mmddy',
ampm: true,
seconds: false,
timeFormat: 'hh:ii A',
startYear: date.getFullYear() - 100,
endYear: date.getFullYear() + 1,
monthNames: ['January','February','March','April','May','June', 'July','August','September','October','November','December'],
monthNamesShort: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],
dayNames: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'],
dayNamesShort: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'],
shortYearCutoff: '+10',
monthText: 'Month',
dayText: 'Day',
yearText: 'Year',
hourText: 'Hours',
minuteText: 'Minutes',
secText: 'Seconds',
ampmText: ' ',
setText: 'Set',
cancelText: 'Cancel',
btnClass: 'dwb',
stepHour: 1,
stepMinute: 1,
stepSecond: 1,
// Events
beforeShow: function() {},
onClose: function() {},
onSelect: function() {},
onCancel: function() {},
formatResult: function(d) {
var out = '';
for (var i = 0; i < d.length; i++) {
out += (i > 0 ? ' ' : '') + d[i];
}
return out;
},
parseValue: function(val, inst) {
var w = inst.settings.wheels,
val = val.split(' '),
ret = [],
j = 0;
for (var i = 0; i < w.length; i++) {
for (var l in w[i]) {
if (w[i][l][val[j]] !== undefined)
ret.push(val[j])
else
// Select first value from wheel
for (var v in w[i][l]) {
ret.push(v);
break;
}
j++;
}
}
return ret;
},
validate: function() {
return true;
}
},
methods = {
init: function (options) {
if (options === undefined) options = {};
var defs = {};
//options.mode = $.inArray(options.mode, ['scroller', 'clickpick', 'mixed']) == -1 ? 'scroller' : options.mode;
// Skin dependent defaults
switch (options.theme) {
case 'ios':
defs.dateOrder = 'MMdyy';
defs.rows = 5;
defs.height = 30;
defs.width = 55;
defs.showValue = false;
defs.showLabel = false;
break;
case 'android':
defs.dateOrder = 'Mddyy';
break;
case 'android-ics':
case 'android-ics light':
defs.dateOrder = 'Mddyy';
defs.rows = 5;
defs.width = 70;
defs.showLabel = false;
defs.mode = 'mixed';
break;
}
// Mode dependent defaults
if (options.mode == 'clickpick') {
defs.height = 50;
defs.rows = 3;
}
var settings = $.extend({}, defaults, defs, options),
plustap = false,
minustap = false;
if ($('.dw').length) {
dwo = $('.dwo');
dw = $('.dw');
}
else {
// Create html
dwo = $('<div class="dwo"></div>').hide().appendTo('body');
dw = $('<div class="dw">' +
'<div class="dwv"> </div>' +
'<div class="dwbc" style="clear:both;">' +
'<span class="dwbw dwb-s"><a id="dw_set" href="#"></a></span>' +
'<span class="dwbw dwb-c"><a id="dw_cancel" href="#"></a></span>' +
'</div>' +
'</div>');
dw.hide().appendTo('body');
function getY(e) {
return touch ? e.originalEvent.changedTouches[0].pageY : e.pageY;
}
function calc(t, val, anim, orig) {
var i = $('ul', dw).index(t);
val = val > (m - 1) ? (m - 1) : val;
val = val < (m - l) ? (m - l) : val;
// Call scroll with animation (calc animation time)
inst.scroll(t, val, anim ? (val == orig ? 0.1 : Math.abs((val - orig) * 0.1)) : 0, orig, i);
// Set selected scroller value
inst.temp[i] = $('li:eq(' + (m - 1 - val) + ')', t).data('val');
// Validate
inst.validate(i);
// Set value text
$('.dwv', dw).html(inst.formatResult());
}
function plus(t) {
if (plustap) {
var p = t.data('pos'),
val = p - 1;
val = val < (m - l) ? (m - 1) : val;
calc(t, val);
}
else {
clearInterval(plustap);
}
}
function minus(t) {
if (minustap) {
var p = t.data('pos'),
val = p + 1;
val = val > (m - 1) ? (m - l) : val;
calc(t, val);
}
else {
clearInterval(minustap);
}
}
$(document).bind(MOVE_EVENT, function (e) {
if (move) {
e.preventDefault();
stop = getY(e);
// Circular wheels
/*var diff = Math.round((stop - start) / h);
if (diff > 0) {
start += h;
$('li:last', target).prependTo(target);
}
else if (diff < 0) {
start -= h;
$('li:first', target).appendTo(target);
}*/
var val = pos + (stop - start) / h;
val = val > (m - 1 + 1) ? (m - 1 + 1) : val;
val = val < (m - l - 1) ? (m - l - 1) : val;
inst.scroll(target, val);
}
});
$(document).bind(END_EVENT, function (e) {
if (move) {
e.preventDefault();
target.removeClass('dwa');
var time = new Date() - startTime,
val = pos + (stop - start) / h;
val = val > (m - 1 + 1) ? (m - 1 + 1) : val;
val = val < (m - l - 1) ? (m - l - 1) : val;
if (time < 300) {
var speed = (stop - start) / time;
var dist = (speed * speed) / (2 * 0.0006);
if (stop - start < 0) dist = -dist;
}
else {
var dist = stop - start;
}
//var dist = stop - start;
calc(target, Math.round(pos + dist / h), true, Math.round(val));
move = false;
target = null;
}
clearInterval(plustap);
clearInterval(minustap);
plustap = false;
minustap = false;
$('.dwb-a').removeClass('dwb-a');
});
dw.delegate('.dwwl', 'DOMMouseScroll mousewheel', function (e) {
e.preventDefault();
e = e.originalEvent;
var delta = e.wheelDelta ? (e.wheelDelta / 120) : (e.detail ? (-e.detail / 3) : 0),
t = $('ul', this),
p = t.data('pos'),
val = Math.round(p + delta);
l = $('li:visible', t).length;
// Circular wheels
/*if (p > val) {
val += 40;
$('li:first', t).appendTo(t);
}
else if (p < val) {
val -= 40;
$('li:last', t).prependTo(t);
}*/
calc(t, val);
}).delegate('.dwb, .dwwb', START_EVENT, function (e) {
// Active button
$(this).addClass('dwb-a');
}).delegate('.dwwbp', START_EVENT, function (e) {
// + Button
e.preventDefault();
e.stopPropagation();
var t = $(this).closest('.dwwl').find('ul');
l = $('li:visible', t).length;
clearInterval(plustap);
plustap = setInterval(function() { plus(t); }, 300);
plus(t);
}).delegate('.dwwbm', START_EVENT, function (e) {
// - Button
e.preventDefault();
e.stopPropagation();
var t = $(this).closest('.dwwl').find('ul');
l = $('li:visible', t).length;
clearInterval(minustap);
minustap = setInterval(function() { minus(t); }, 300);
minus(t);
}).delegate('.dwwl', START_EVENT, function (e) {
// Scroll start
if (!move && inst.settings.mode != 'clickpick') {
e.preventDefault();
move = true;
target = $('ul', this).addClass('dwa');
$('.dwwb', this).fadeOut('fast');
pos = target.data('pos');
l = $('li:visible', target).length;
start = getY(e);
startTime = new Date();
stop = start;
inst.scroll(target, pos);
}
});
}
return this.each(function () {
if (!this.id) {
uuid += 1;
this.id = 'scoller' + uuid;
}
scrollers[this.id] = new Scroller(this, dw, settings);
});
},
enable: function() {
return this.each(function () {
if (scrollers[this.id]) scrollers[this.id].enable();
});
},
disable: function() {