/* noUiSlider 3.2.1 */
(function ($) {
$.fn.noUiSlider = function (options, flag) {
// test for mouse, pointer or touch
var EVENT = window.navigator.msPointerEnabled ? 2 : 'ontouchend' in document ? 3 : 1;
if (window.debug && console) {
console.log(EVENT);
}
// shorthand for test=function, calling
function call(f, scope, args) {
if (typeof f === "function") {
f.call(scope, args);
}
}
// function wrapper for calculating to and from range values
var percentage = {
to : function (range, value) {
value = range[0] < 0 ? value + Math.abs(range[0]) : value - range[0];
return (value * 100) / this._length(range);
},
from : function (range, value) {
return (value * 100) / this._length(range);
},
is : function (range, value) {
return ((value * this._length(range)) / 100) + range[0];
},
_length : function (range) {
return (range[0] > range[1] ? range[0] - range[1] : range[1] - range[0]);
}
}
// bounce handles of eachother, the edges of the slider
function correct(proposal, slider, handle) {
var
setup = slider.data('setup'),
handles = setup.handles,
settings = setup.settings,
pos = setup.pos;
proposal = proposal < 0 ? 0 : proposal > 100 ? 100 : proposal;
if (settings.handles == 2) {
if (handle.is(':first-child')) {
var other = parseFloat(handles[1][0].style[pos]) - settings.margin;
proposal = proposal > other ? other : proposal;
} else {
var other = parseFloat(handles[0][0].style[pos]) + settings.margin;
proposal = proposal < other ? other : proposal;
}
}
if (settings.step) {
var per = percentage.from(settings.range, settings.step);
proposal = Math.round(proposal / per) * per;
}
return proposal;
}
// get standarised clientX and clientY
function client(f) {
try {
return [(f.clientX || f.originalEvent.clientX || f.originalEvent.touches[0].clientX), (f.clientY || f.originalEvent.clientY || f.originalEvent.touches[0].clientY)];
} catch (e) {
return ['x', 'y'];
}
}
// get native inline style value in %
function place(handle, pos) {
return parseFloat(handle[0].style[pos]);
}
// simplified defaults
var defaults = {
handles : 2,
serialization : {
to : ['', ''],
resolution : 0.01
}
};
// contains all methods
methods = {
create : function () {
return this.each(function () {
// set handle to position
function setHandle(handle, to, slider) {
handle.css(pos, to + '%').data('input').val(percentage.is(settings.range, to).toFixed(res));
}
var
settings = $.extend(defaults, options),
// handles
handlehtml = '<a><div></div></a>',
// save this to variable, // allows identification
slider = $(this).data('_isnS_', true),
// array of handles
handles = [],
// the way the handles are positioned for this slider, top/left
pos,
// for quick orientation testing and array matching
orientation,
// append classes
classes = "",
// tests numerical
num = function (e) {
return !isNaN(parseFloat(e)) && isFinite(e);
},
// counts decimals in serialization, sets default
split = (settings.serialization.resolution = settings.serialization.resolution || 0.01).toString().split('.'),
res = split[0] == 1 ? 0 : split[1].length;
settings.start = num(settings.start) ? [settings.start, 0] : settings.start;
// logs bad input values, if possible
$.each(settings, function (a, b) {
if (num(b)) {
settings[a] = parseFloat(b);
} else if (typeof b == "object" && num(b[0])) {
b[0] = parseFloat(b[0]);
if (num(b[1])) {
b[1] = parseFloat(b[1]);
}
}
var e = false;
b = typeof b == "undefined" ? "x" : b;
switch (a) {
case 'range':
case 'start':
e = b.length != 2 || !num(b[0]) || !num(b[1]);
break;
case 'handles':
e = (b < 1 || b > 2 || !num(b));
break;
case 'connect':
e = b != "lower" && b != "upper" && typeof b != "boolean";
break;
case 'orientation':
e = (b != "vertical" && b != "horizontal");
break;
case 'margin':
case 'step':
e = typeof b != "undefined" && !num(b);
break;
case 'serialization':
e = typeof b != "object" || !num(b.resolution) || (typeof b.to == 'object' && b.to.length < settings.handles);
break;
case 'slide':
e = typeof b != "function";
break;
}
if (e && console) {
console.error('Bad input for ' + a + ' on slider:', slider);
}
});
settings.margin = settings.margin ? percentage.from(settings.range, settings.margin) : 0;
// tests serialization to be strings or jQuery objects
if (settings.serialization.to instanceof jQuery || typeof settings.serialization.to == 'string' || settings.serialization.to === false) {
settings.serialization.to = [settings.serialization.to];
}
if (settings.orientation == "vertical") {
classes += "vertical";
pos = 'top';
orientation = 1;
} else {
classes += "horizontal";
pos = 'left';
orientation = 0;
}
classes += settings.connect ? settings.connect == "lower" ? " connect lower" : " connect" : "";
slider.addClass(classes);
for (var i = 0; i < settings.handles; i++) {
handles[i] = slider.append(handlehtml).children(':last');
var setTo = percentage.to(settings.range, settings.start[i]);
handles[i].css(pos, setTo + '%');
if (setTo == 100 && handles[i].is(':first-child')) {
handles[i].css('z-index', 2);
}
var bind = '.noUiSlider',
onEvent = (EVENT === 1 ? 'mousedown' : EVENT === 2 ? 'MSPointerDown' : 'touchstart') + bind + 'X',
moveEvent = (EVENT === 1 ? 'mousemove' : EVENT === 2 ? 'MSPointerMove' : 'touchmove') + bind,
offEvent = (EVENT === 1 ? 'mouseup' : EVENT === 2 ? 'MSPointerUp' : 'touchend') + bind
handles[i].find('div').on(onEvent, function (e) {
$('body').bind('selectstart' + bind, function () {
return false;
});
if (!slider.hasClass('disabled')) {
$('body').addClass('TOUCH');
var handle = $(this).addClass('active').parent(),
unbind = handle.add($(document)).add('body'),
originalPosition = parseFloat(handle[0].style[pos]),
originalClick = client(e),
previousClick = originalClick,
previousProposal = false;
$(document).on(moveEvent, function (f) {
f.preventDefault();
var currentClick = client(f);
if (currentClick[0] == "x") {
return;
}
currentClick[0] -= originalClick[0];
currentClick[1] -= originalClick[1];
var movement = [
previousClick[0] != currentClick[0], previousClick[1] != currentClick[1]
],
proposal = originalPosition + ((currentClick[orientation] * 100) / (orientation ? slider.height() : slider.width()));
proposal = correct(proposal, slider, handle);
if (movement[orientation] && proposal != previousProposal) {
handle.css(pos, proposal + '%').data('input').val(percentage.is(settings.range, proposal).toFixed(res));
call(settings.slide, slider.data('_n', true));
previousProposal = proposal;
handle.css('z-index', handles.length == 2 && proposal == 100 && handle.is(':first-child') ? 2 : 1);
}
previousClick = currentClick;
}).on(offEvent, function () {
unbind.off(bind);
$('body').removeClass('TOUCH');
if (slider.find('.active').removeClass('active').end().data('_n')) {
slider.data('_n', false).change();
}
});
}
}).on('click', function (e) {
e.stopPropagation();
});
}
if (EVENT == 1) {
slider.on('click', function (f) {
if (!slider.hasClass('disabled')) {
var currentClick = client(f),
proposal = ((currentClick[orientation] - slider.offset()[pos]) * 100) / (orientation ? slider.height() : slider.width()),
handle = handles.length > 1 ? (currentClick[orientation] < (handles[0].offset()[pos] + handles[1].offset()[pos]) / 2 ? handles[0] : handles[1]) : handles[0];
setHandle(handle, correct(proposal, slider, handle), slider);
call(settings.slide, slider);
slider.change();
}
});
}
for (var i = 0; i < handles.length; i++) {
var val = percentage.is(settings.range, place(handles[i], pos)).toFixed(res);
if (typeof settings.serialization.to[i] == 'string') {
handles[i].data('input',
slider.append('<input type="hidden" name="' + settings.serialization.to[i] + '">').find('input:last')
.val(val)
.change(function (a) {
a.stopPropagation();
}));
} else if (settings.serialization.to[i] == false) {
handles[i].data('input', {
val : function (a) {
if (typeof a != 'undefined') {
this.handle.data('noUiVal', a);
} else {
return this.handle.data('noUiVal');
}
},
handle : handles[i]
});
} else {
handles[i].data('input', settings.serialization.to[i].data('handleNR', i).val(val).change(function () {
var arr = [null, null];
arr[$(this).data('handleNR')] = $(this).val();
slider.val(arr);
}));
}
}
$(this).data('setup', {
settings : settings,
handles : handles,
pos : pos,
res : res
});
});
},
val : function () {
if (typeof arguments[0] !== 'undefined') {
var val = typeof arguments[0] == 'number' ? [arguments[0]] : arguments[0];
return this.each(function () {
var setup = $(this).data('setup');
for (var i = 0; i < setup.handles.length; i++) {
if (val[i] != null) {
var proposal = correct(percentage.to(setup.settings.range, val[i]), $(this), setup.handles[i]);
setup.handles[i].css(setup.pos, proposal + '%').data('input').val(percentage.is(setup.settings.range, proposal).toFixed(setup.res));
}
}
});
} else {
var handles = $(this).data('setup').handles,
re = [];
for (var i = 0; i < handles.length; i++) {
re.push(parseFloat(handles[i].data('input').val()));
}
return re.length == 1 ? re[0] : re;
}
},
disabled : function () {
return flag ? $(this).addClass('disabled') : $(this).removeClass('disabled');
}
}
// remap the native/current val function to noUiSlider
var $_val = jQuery.fn.val;
jQuery.fn.val = function () {
return this.data('_isnS_') ? methods.val.apply(this, arguments) : $_val.apply(this, arguments);
}
return options == "disabled" ? methods.disabled.apply(this) : methods.create.apply(this);
}
})(jQuery);
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