diff options
Diffstat (limited to 'js/nouislider.js')
| -rw-r--r-- | js/nouislider.js | 2146 |
1 files changed, 2146 insertions, 0 deletions
diff --git a/js/nouislider.js b/js/nouislider.js new file mode 100644 index 0000000..2e394aa --- /dev/null +++ b/js/nouislider.js @@ -0,0 +1,2146 @@ +/*! nouislider - 9.2.0 - 2017-01-11 10:35:34 */
+
+(function (factory) {
+
+ if ( typeof define === 'function' && define.amd ) {
+
+ // AMD. Register as an anonymous module.
+ define([], factory);
+
+ } else if ( typeof exports === 'object' ) {
+
+ // Node/CommonJS
+ module.exports = factory();
+
+ } else {
+
+ // Browser globals
+ window.noUiSlider = factory();
+ }
+
+}(function( ){
+
+ 'use strict';
+
+ var VERSION = '9.2.0';
+
+
+ // Creates a node, adds it to target, returns the new node.
+ function addNodeTo ( target, className ) {
+ var div = document.createElement('div');
+ addClass(div, className);
+ target.appendChild(div);
+ return div;
+ }
+
+ // Removes duplicates from an array.
+ function unique ( array ) {
+ return array.filter(function(a){
+ return !this[a] ? this[a] = true : false;
+ }, {});
+ }
+
+ // Round a value to the closest 'to'.
+ function closest ( value, to ) {
+ return Math.round(value / to) * to;
+ }
+
+ // Current position of an element relative to the document.
+ function offset ( elem, orientation ) {
+
+ var rect = elem.getBoundingClientRect(),
+ doc = elem.ownerDocument,
+ docElem = doc.documentElement,
+ pageOffset = getPageOffset();
+
+ // getBoundingClientRect contains left scroll in Chrome on Android.
+ // I haven't found a feature detection that proves this. Worst case
+ // scenario on mis-match: the 'tap' feature on horizontal sliders breaks.
+ if ( /webkit.*Chrome.*Mobile/i.test(navigator.userAgent) ) {
+ pageOffset.x = 0;
+ }
+
+ return orientation ? (rect.top + pageOffset.y - docElem.clientTop) : (rect.left + pageOffset.x - docElem.clientLeft);
+ }
+
+ // Checks whether a value is numerical.
+ function isNumeric ( a ) {
+ return typeof a === 'number' && !isNaN( a ) && isFinite( a );
+ }
+
+ // Sets a class and removes it after [duration] ms.
+ function addClassFor ( element, className, duration ) {
+ if (duration > 0) {
+ addClass(element, className);
+ setTimeout(function(){
+ removeClass(element, className);
+ }, duration);
+ }
+ }
+
+ // Limits a value to 0 - 100
+ function limit ( a ) {
+ return Math.max(Math.min(a, 100), 0);
+ }
+
+ // Wraps a variable as an array, if it isn't one yet.
+ // Note that an input array is returned by reference!
+ function asArray ( a ) {
+ return Array.isArray(a) ? a : [a];
+ }
+
+ // Counts decimals
+ function countDecimals ( numStr ) {
+ numStr = String(numStr);
+ var pieces = numStr.split(".");
+ return pieces.length > 1 ? pieces[1].length : 0;
+ }
+
+ // http://youmightnotneedjquery.com/#add_class
+ function addClass ( el, className ) {
+ if ( el.classList ) {
+ el.classList.add(className);
+ } else {
+ el.className += ' ' + className;
+ }
+ }
+
+ // http://youmightnotneedjquery.com/#remove_class
+ function removeClass ( el, className ) {
+ if ( el.classList ) {
+ el.classList.remove(className);
+ } else {
+ el.className = el.className.replace(new RegExp('(^|\\b)' + className.split(' ').join('|') + '(\\b|$)', 'gi'), ' ');
+ }
+ }
+
+ // https://plainjs.com/javascript/attributes/adding-removing-and-testing-for-classes-9/
+ function hasClass ( el, className ) {
+ return el.classList ? el.classList.contains(className) : new RegExp('\\b' + className + '\\b').test(el.className);
+ }
+
+ // https://developer.mozilla.org/en-US/docs/Web/API/Window/scrollY#Notes
+ function getPageOffset ( ) {
+
+ var supportPageOffset = window.pageXOffset !== undefined,
+ isCSS1Compat = ((document.compatMode || "") === "CSS1Compat"),
+ x = supportPageOffset ? window.pageXOffset : isCSS1Compat ? document.documentElement.scrollLeft : document.body.scrollLeft,
+ y = supportPageOffset ? window.pageYOffset : isCSS1Compat ? document.documentElement.scrollTop : document.body.scrollTop;
+
+ return {
+ x: x,
+ y: y
+ };
+ }
+
+ // we provide a function to compute constants instead
+ // of accessing window.* as soon as the module needs it
+ // so that we do not compute anything if not needed
+ function getActions ( ) {
+
+ // Determine the events to bind. IE11 implements pointerEvents without
+ // a prefix, which breaks compatibility with the IE10 implementation.
+ return window.navigator.pointerEnabled ? {
+ start: 'pointerdown',
+ move: 'pointermove',
+ end: 'pointerup'
+ } : window.navigator.msPointerEnabled ? {
+ start: 'MSPointerDown',
+ move: 'MSPointerMove',
+ end: 'MSPointerUp'
+ } : {
+ start: 'mousedown touchstart',
+ move: 'mousemove touchmove',
+ end: 'mouseup touchend'
+ };
+ }
+
+
+// Value calculation
+
+ // Determine the size of a sub-range in relation to a full range.
+ function subRangeRatio ( pa, pb ) {
+ return (100 / (pb - pa));
+ }
+
+ // (percentage) How many percent is this value of this range?
+ function fromPercentage ( range, value ) {
+ return (value * 100) / ( range[1] - range[0] );
+ }
+
+ // (percentage) Where is this value on this range?
+ function toPercentage ( range, value ) {
+ return fromPercentage( range, range[0] < 0 ?
+ value + Math.abs(range[0]) :
+ value - range[0] );
+ }
+
+ // (value) How much is this percentage on this range?
+ function isPercentage ( range, value ) {
+ return ((value * ( range[1] - range[0] )) / 100) + range[0];
+ }
+
+
+// Range conversion
+
+ function getJ ( value, arr ) {
+
+ var j = 1;
+
+ while ( value >= arr[j] ){
+ j += 1;
+ }
+
+ return j;
+ }
+
+ // (percentage) Input a value, find where, on a scale of 0-100, it applies.
+ function toStepping ( xVal, xPct, value ) {
+
+ if ( value >= xVal.slice(-1)[0] ){
+ return 100;
+ }
+
+ var j = getJ( value, xVal ), va, vb, pa, pb;
+
+ va = xVal[j-1];
+ vb = xVal[j];
+ pa = xPct[j-1];
+ pb = xPct[j];
+
+ return pa + (toPercentage([va, vb], value) / subRangeRatio (pa, pb));
+ }
+
+ // (value) Input a percentage, find where it is on the specified range.
+ function fromStepping ( xVal, xPct, value ) {
+
+ // There is no range group that fits 100
+ if ( value >= 100 ){
+ return xVal.slice(-1)[0];
+ }
+
+ var j = getJ( value, xPct ), va, vb, pa, pb;
+
+ va = xVal[j-1];
+ vb = xVal[j];
+ pa = xPct[j-1];
+ pb = xPct[j];
+
+ return isPercentage([va, vb], (value - pa) * subRangeRatio (pa, pb));
+ }
+
+ // (percentage) Get the step that applies at a certain value.
+ function getStep ( xPct, xSteps, snap, value ) {
+
+ if ( value === 100 ) {
+ return value;
+ }
+
+ var j = getJ( value, xPct ), a, b;
+
+ // If 'snap' is set, steps are used as fixed points on the slider.
+ if ( snap ) {
+
+ a = xPct[j-1];
+ b = xPct[j];
+
+ // Find the closest position, a or b.
+ if ((value - a) > ((b-a)/2)){
+ return b;
+ }
+
+ return a;
+ }
+
+ if ( !xSteps[j-1] ){
+ return value;
+ }
+
+ return xPct[j-1] + closest(
+ value - xPct[j-1],
+ xSteps[j-1]
+ );
+ }
+
+
+// Entry parsing
+
+ function handleEntryPoint ( index, value, that ) {
+
+ var percentage;
+
+ // Wrap numerical input in an array.
+ if ( typeof value === "number" ) {
+ value = [value];
+ }
+
+ // Reject any invalid input, by testing whether value is an array.
+ if ( Object.prototype.toString.call( value ) !== '[object Array]' ){
+ throw new Error("noUiSlider (" + VERSION + "): 'range' contains invalid value.");
+ }
+
+ // Covert min/max syntax to 0 and 100.
+ if ( index === 'min' ) {
+ percentage = 0;
+ } else if ( index === 'max' ) {
+ percentage = 100;
+ } else {
+ percentage = parseFloat( index );
+ }
+
+ // Check for correct input.
+ if ( !isNumeric( percentage ) || !isNumeric( value[0] ) ) {
+ throw new Error("noUiSlider (" + VERSION + "): 'range' value isn't numeric.");
+ }
+
+ // Store values.
+ that.xPct.push( percentage );
+ that.xVal.push( value[0] );
+
+ // NaN will evaluate to false too, but to keep
+ // logging clear, set step explicitly. Make sure
+ // not to override the 'step' setting with false.
+ if ( !percentage ) {
+ if ( !isNaN( value[1] ) ) {
+ that.xSteps[0] = value[1];
+ }
+ } else {
+ that.xSteps.push( isNaN(value[1]) ? false : value[1] );
+ }
+
+ that.xHighestCompleteStep.push(0);
+ }
+
+ function handleStepPoint ( i, n, that ) {
+
+ // Ignore 'false' stepping.
+ if ( !n ) {
+ return true;
+ }
+
+ // Factor to range ratio
+ that.xSteps[i] = fromPercentage([
+ that.xVal[i]
+ ,that.xVal[i+1]
+ ], n) / subRangeRatio (
+ that.xPct[i],
+ that.xPct[i+1] );
+
+ var totalSteps = (that.xVal[i+1] - that.xVal[i]) / that.xNumSteps[i];
+ var highestStep = Math.ceil(Number(totalSteps.toFixed(3)) - 1);
+ var step = that.xVal[i] + (that.xNumSteps[i] * highestStep);
+
+ that.xHighestCompleteStep[i] = step;
+ }
+
+
+// Interface
+
+ // The interface to Spectrum handles all direction-based
+ // conversions, so the above values are unaware.
+
+ function Spectrum ( entry, snap, direction, singleStep ) {
+
+ this.xPct = [];
+ this.xVal = [];
+ this.xSteps = [ singleStep || false ];
+ this.xNumSteps = [ false ];
+ this.xHighestCompleteStep = [];
+
+ this.snap = snap;
+ this.direction = direction;
+
+ var index, ordered = [ /* [0, 'min'], [1, '50%'], [2, 'max'] */ ];
+
+ // Map the object keys to an array.
+ for ( index in entry ) {
+ if ( entry.hasOwnProperty(index) ) {
+ ordered.push([entry[index], index]);
+ }
+ }
+
+ // Sort all entries by value (numeric sort).
+ if ( ordered.length && typeof ordered[0][0] === "object" ) {
+ ordered.sort(function(a, b) { return a[0][0] - b[0][0]; });
+ } else {
+ ordered.sort(function(a, b) { return a[0] - b[0]; });
+ }
+
+
+ // Convert all entries to subranges.
+ for ( index = 0; index < ordered.length; index++ ) {
+ handleEntryPoint(ordered[index][1], ordered[index][0], this);
+ }
+
+ // Store the actual step values.
+ // xSteps is sorted in the same order as xPct and xVal.
+ this.xNumSteps = this.xSteps.slice(0);
+
+ // Convert all numeric steps to the percentage of the subrange they represent.
+ for ( index = 0; index < this.xNumSteps.length; index++ ) {
+ handleStepPoint(index, this.xNumSteps[index], this);
+ }
+ }
+
+ Spectrum.prototype.getMargin = function ( value ) {
+
+ var step = this.xNumSteps[0];
+
+ if ( step && ((value / step) % 1) !== 0 ) {
+ throw new Error("noUiSlider (" + VERSION + "): 'limit', 'margin' and 'padding' must be divisible by step.");
+ }
+
+ return this.xPct.length === 2 ? fromPercentage(this.xVal, value) : false;
+ };
+
+ Spectrum.prototype.toStepping = function ( value ) {
+
+ value = toStepping( this.xVal, this.xPct, value );
+
+ return value;
+ };
+
+ Spectrum.prototype.fromStepping = function ( value ) {
+
+ return fromStepping( this.xVal, this.xPct, value );
+ };
+
+ Spectrum.prototype.getStep = function ( value ) {
+
+ value = getStep(this.xPct, this.xSteps, this.snap, value );
+
+ return value;
+ };
+
+ Spectrum.prototype.getNearbySteps = function ( value ) {
+
+ var j = getJ(value, this.xPct);
+
+ return {
+ stepBefore: { startValue: this.xVal[j-2], step: this.xNumSteps[j-2], highestStep: this.xHighestCompleteStep[j-2] },
+ thisStep: { startValue: this.xVal[j-1], step: this.xNumSteps[j-1], highestStep: this.xHighestCompleteStep[j-1] },
+ stepAfter: { startValue: this.xVal[j-0], step: this.xNumSteps[j-0], highestStep: this.xHighestCompleteStep[j-0] }
+ };
+ };
+
+ Spectrum.prototype.countStepDecimals = function () {
+ var stepDecimals = this.xNumSteps.map(countDecimals);
+ return Math.max.apply(null, stepDecimals);
+ };
+
+ // Outside testing
+ Spectrum.prototype.convert = function ( value ) {
+ return this.getStep(this.toStepping(value));
+ };
+
+/* Every input option is tested and parsed. This'll prevent
+ endless validation in internal methods. These tests are
+ structured with an item for every option available. An
+ option can be marked as required by setting the 'r' flag.
+ The testing function is provided with three arguments:
+ - The provided value for the option;
+ - A reference to the options object;
+ - The name for the option;
+
+ The testing function returns false when an error is detected,
+ or true when everything is OK. It can also modify the option
+ object, to make sure all values can be correctly looped elsewhere. */
+
+ var defaultFormatter = { 'to': function( value ){
+ return value !== undefined && value.toFixed(2);
+ }, 'from': Number };
+
+ function testStep ( parsed, entry ) {
+
+ if ( !isNumeric( entry ) ) {
+ throw new Error("noUiSlider (" + VERSION + "): 'step' is not numeric.");
+ }
+
+ // The step option can still be used to set stepping
+ // for linear sliders. Overwritten if set in 'range'.
+ parsed.singleStep = entry;
+ }
+
+ function testRange ( parsed, entry ) {
+
+ // Filter incorrect input.
+ if ( typeof entry !== 'object' || Array.isArray(entry) ) {
+ throw new Error("noUiSlider (" + VERSION + "): 'range' is not an object.");
+ }
+
+ // Catch missing start or end.
+ if ( entry.min === undefined || entry.max === undefined ) {
+ throw new Error("noUiSlider (" + VERSION + "): Missing 'min' or 'max' in 'range'.");
+ }
+
+ // Catch equal start or end.
+ if ( entry.min === entry.max ) {
+ throw new Error("noUiSlider (" + VERSION + "): 'range' 'min' and 'max' cannot be equal.");
+ }
+
+ parsed.spectrum = new Spectrum(entry, parsed.snap, parsed.dir, parsed.singleStep);
+ }
+
+ function testStart ( parsed, entry ) {
+
+ entry = asArray(entry);
+
+ // Validate input. Values aren't tested, as the public .val method
+ // will always provide a valid location.
+ if ( !Array.isArray( entry ) || !entry.length ) {
+ throw new Error("noUiSlider (" + VERSION + "): 'start' option is incorrect.");
+ }
+
+ // Store the number of handles.
+ parsed.handles = entry.length;
+
+ // When the slider is initialized, the .val method will
+ // be called with the start options.
+ parsed.start = entry;
+ }
+
+ function testSnap ( parsed, entry ) {
+
+ // Enforce 100% stepping within subranges.
+ parsed.snap = entry;
+
+ if ( typeof entry !== 'boolean' ){
+ throw new Error("noUiSlider (" + VERSION + "): 'snap' option must be a boolean.");
+ }
+ }
+
+ function testAnimate ( parsed, entry ) {
+
+ // Enforce 100% stepping within subranges.
+ parsed.animate = entry;
+
+ if ( typeof entry !== 'boolean' ){
+ throw new Error("noUiSlider (" + VERSION + "): 'animate' option must be a boolean.");
+ }
+ }
+
+ function testAnimationDuration ( parsed, entry ) {
+
+ parsed.animationDuration = entry;
+
+ if ( typeof entry !== 'number' ){
+ throw new Error("noUiSlider (" + VERSION + "): 'animationDuration' option must be a number.");
+ }
+ }
+
+ function testConnect ( parsed, entry ) {
+
+ var connect = [false];
+ var i;
+
+ // Map legacy options
+ if ( entry === 'lower' ) {
+ entry = [true, false];
+ }
+
+ else if ( entry === 'upper' ) {
+ entry = [false, true];
+ }
+
+ // Handle boolean options
+ if ( entry === true || entry === false ) {
+
+ for ( i = 1; i < parsed.handles; i++ ) {
+ connect.push(entry);
+ }
+
+ connect.push(false);
+ }
+
+ // Reject invalid input
+ else if ( !Array.isArray( entry ) || !entry.length || entry.length !== parsed.handles + 1 ) {
+ throw new Error("noUiSlider (" + VERSION + "): 'connect' option doesn't match handle count.");
+ }
+
+ else {
+ connect = entry;
+ }
+
+ parsed.connect = connect;
+ }
+
+ function testOrientation ( parsed, entry ) {
+
+ // Set orientation to an a numerical value for easy
+ // array selection.
+ switch ( entry ){
+ case 'horizontal':
+ parsed.ort = 0;
+ break;
+ case 'vertical':
+ parsed.ort = 1;
+ break;
+ default:
+ throw new Error("noUiSlider (" + VERSION + "): 'orientation' option is invalid.");
+ }
+ }
+
+ function testMargin ( parsed, entry ) {
+
+ if ( !isNumeric(entry) ){
+ throw new Error("noUiSlider (" + VERSION + "): 'margin' option must be numeric.");
+ }
+
+ // Issue #582
+ if ( entry === 0 ) {
+ return;
+ }
+
+ parsed.margin = parsed.spectrum.getMargin(entry);
+
+ if ( !parsed.margin ) {
+ throw new Error("noUiSlider (" + VERSION + "): 'margin' option is only supported on linear sliders.");
+ }
+ }
+
+ function testLimit ( parsed, entry ) {
+
+ if ( !isNumeric(entry) ){
+ throw new Error("noUiSlider (" + VERSION + "): 'limit' option must be numeric.");
+ }
+
+ parsed.limit = parsed.spectrum.getMargin(entry);
+
+ if ( !parsed.limit || parsed.handles < 2 ) {
+ throw new Error("noUiSlider (" + VERSION + "): 'limit' option is only supported on linear sliders with 2 or more handles.");
+ }
+ }
+
+ function testPadding ( parsed, entry ) {
+
+ if ( !isNumeric(entry) ){
+ throw new Error("noUiSlider (" + VERSION + "): 'padding' option must be numeric.");
+ }
+
+ if ( entry === 0 ) {
+ return;
+ }
+
+ parsed.padding = parsed.spectrum.getMargin(entry);
+
+ if ( !parsed.padding ) {
+ throw new Error("noUiSlider (" + VERSION + "): 'padding' option is only supported on linear sliders.");
+ }
+
+ if ( parsed.padding < 0 ) {
+ throw new Error("noUiSlider (" + VERSION + "): 'padding' option must be a positive number.");
+ }
+
+ if ( parsed.padding >= 50 ) {
+ throw new Error("noUiSlider (" + VERSION + "): 'padding' option must be less than half the range.");
+ }
+ }
+
+ function testDirection ( parsed, entry ) {
+
+ // Set direction as a numerical value for easy parsing.
+ // Invert connection for RTL sliders, so that the proper
+ // handles get the connect/background classes.
+ switch ( entry ) {
+ case 'ltr':
+ parsed.dir = 0;
+ break;
+ case 'rtl':
+ parsed.dir = 1;
+ break;
+ default:
+ throw new Error("noUiSlider (" + VERSION + "): 'direction' option was not recognized.");
+ }
+ }
+
+ function testBehaviour ( parsed, entry ) {
+
+ // Make sure the input is a string.
+ if ( typeof entry !== 'string' ) {
+ throw new Error("noUiSlider (" + VERSION + "): 'behaviour' must be a string containing options.");
+ }
+
+ // Check if the string contains any keywords.
+ // None are required.
+ var tap = entry.indexOf('tap') >= 0;
+ var drag = entry.indexOf('drag') >= 0;
+ var fixed = entry.indexOf('fixed') >= 0;
+ var snap = entry.indexOf('snap') >= 0;
+ var hover = entry.indexOf('hover') >= 0;
+
+ if ( fixed ) {
+
+ if ( parsed.handles !== 2 ) {
+ throw new Error("noUiSlider (" + VERSION + "): 'fixed' behaviour must be used with 2 handles");
+ }
+
+ // Use margin to enforce fixed state
+ testMargin(parsed, parsed.start[1] - parsed.start[0]);
+ }
+
+ parsed.events = {
+ tap: tap || snap,
+ drag: drag,
+ fixed: fixed,
+ snap: snap,
+ hover: hover
+ };
+ }
+
+ function testTooltips ( parsed, entry ) {
+
+ if ( entry === false ) {
+ return;
+ }
+
+ else if ( entry === true ) {
+
+ parsed.tooltips = [];
+
+ for ( var i = 0; i < parsed.handles; i++ ) {
+ parsed.tooltips.push(true);
+ }
+ }
+
+ else {
+
+ parsed.tooltips = asArray(entry);
+
+ if ( parsed.tooltips.length !== parsed.handles ) {
+ throw new Error("noUiSlider (" + VERSION + "): must pass a formatter for all handles.");
+ }
+
+ parsed.tooltips.forEach(function(formatter){
+ if ( typeof formatter !== 'boolean' && (typeof formatter !== 'object' || typeof formatter.to !== 'function') ) {
+ throw new Error("noUiSlider (" + VERSION + "): 'tooltips' must be passed a formatter or 'false'.");
+ }
+ });
+ }
+ }
+
+ function testFormat ( parsed, entry ) {
+
+ parsed.format = entry;
+
+ // Any object with a to and from method is supported.
+ if ( typeof entry.to === 'function' && typeof entry.from === 'function' ) {
+ return true;
+ }
+
+ throw new Error("noUiSlider (" + VERSION + "): 'format' requires 'to' and 'from' methods.");
+ }
+
+ function testCssPrefix ( parsed, entry ) {
+
+ if ( entry !== undefined && typeof entry !== 'string' && entry !== false ) {
+ throw new Error("noUiSlider (" + VERSION + "): 'cssPrefix' must be a string or `false`.");
+ }
+
+ parsed.cssPrefix = entry;
+ }
+
+ function testCssClasses ( parsed, entry ) {
+
+ if ( entry !== undefined && typeof entry !== 'object' ) {
+ throw new Error("noUiSlider (" + VERSION + "): 'cssClasses' must be an object.");
+ }
+
+ if ( typeof parsed.cssPrefix === 'string' ) {
+ parsed.cssClasses = {};
+
+ for ( var key in entry ) {
+ if ( !entry.hasOwnProperty(key) ) { continue; }
+
+ parsed.cssClasses[key] = parsed.cssPrefix + entry[key];
+ }
+ } else {
+ parsed.cssClasses = entry;
+ }
+ }
+
+ function testUseRaf ( parsed, entry ) {
+ if ( entry === true || entry === false ) {
+ parsed.useRequestAnimationFrame = entry;
+ } else {
+ throw new Error("noUiSlider (" + VERSION + "): 'useRequestAnimationFrame' option should be true (default) or false.");
+ }
+ }
+
+ // Test all developer settings and parse to assumption-safe values.
+ function testOptions ( options ) {
+
+ // To prove a fix for #537, freeze options here.
+ // If the object is modified, an error will be thrown.
+ // Object.freeze(options);
+
+ var parsed = {
+ margin: 0,
+ limit: 0,
+ padding: 0,
+ animate: true,
+ animationDuration: 300,
+ format: defaultFormatter
+ };
+
+ // Tests are executed in the order they are presented here.
+ var tests = {
+ 'step': { r: false, t: testStep },
+ 'start': { r: true, t: testStart },
+ 'connect': { r: true, t: testConnect },
+ 'direction': { r: true, t: testDirection },
+ 'snap': { r: false, t: testSnap },
+ 'animate': { r: false, t: testAnimate },
+ 'animationDuration': { r: false, t: testAnimationDuration },
+ 'range': { r: true, t: testRange },
+ 'orientation': { r: false, t: testOrientation },
+ 'margin': { r: false, t: testMargin },
+ 'limit': { r: false, t: testLimit },
+ 'padding': { r: false, t: testPadding },
+ 'behaviour': { r: true, t: testBehaviour },
+ 'format': { r: false, t: testFormat },
+ 'tooltips': { r: false, t: testTooltips },
+ 'cssPrefix': { r: false, t: testCssPrefix },
+ 'cssClasses': { r: false, t: testCssClasses },
+ 'useRequestAnimationFrame': { r: false, t: testUseRaf }
+ };
+
+ var defaults = {
+ 'connect': false,
+ 'direction': 'ltr',
+ 'behaviour': 'tap',
+ 'orientation': 'horizontal',
+ 'cssPrefix' : 'noUi-',
+ 'cssClasses': {
+ target: 'target',
+ base: 'base',
+ origin: 'origin',
+ handle: 'handle',
+ handleLower: 'handle-lower',
+ handleUpper: 'handle-upper',
+ horizontal: 'horizontal',
+ vertical: 'vertical',
+ background: 'background',
+ connect: 'connect',
+ ltr: 'ltr',
+ rtl: 'rtl',
+ draggable: 'draggable',
+ drag: 'state-drag',
+ tap: 'state-tap',
+ active: 'active',
+ tooltip: 'tooltip',
+ pips: 'pips',
+ pipsHorizontal: 'pips-horizontal',
+ pipsVertical: 'pips-vertical',
+ marker: 'marker',
+ markerHorizontal: 'marker-horizontal',
+ markerVertical: 'marker-vertical',
+ markerNormal: 'marker-normal',
+ markerLarge: 'marker-large',
+ markerSub: 'marker-sub',
+ value: 'value',
+ valueHorizontal: 'value-horizontal',
+ valueVertical: 'value-vertical',
+ valueNormal: 'value-normal',
+ valueLarge: 'value-large',
+ valueSub: 'value-sub'
+ },
+ 'useRequestAnimationFrame': true
+ };
+
+ // Run all options through a testing mechanism to ensure correct
+ // input. It should be noted that options might get modified to
+ // be handled properly. E.g. wrapping integers in arrays.
+ Object.keys(tests).forEach(function( name ){
+
+ // If the option isn't set, but it is required, throw an error.
+ if ( options[name] === undefined && defaults[name] === undefined ) {
+
+ if ( tests[name].r ) {
+ throw new Error("noUiSlider (" + VERSION + "): '" + name + "' is required.");
+ }
+
+ return true;
+ }
+
+ tests[name].t( parsed, options[name] === undefined ? defaults[name] : options[name] );
+ });
+
+ // Forward pips options
+ parsed.pips = options.pips;
+
+ var styles = [['left', 'top'], ['right', 'bottom']];
+
+ // Pre-define the styles.
+ parsed.style = styles[parsed.dir][parsed.ort];
+ parsed.styleOposite = styles[parsed.dir?0:1][parsed.ort];
+
+ return parsed;
+ }
+
+
+function closure ( target, options, originalOptions ){
+
+ var actions = getActions( );
+
+ // All variables local to 'closure' are prefixed with 'scope_'
+ var scope_Target = target;
+ var scope_Locations = [];
+ var scope_Base;
+ var scope_Handles;
+ var scope_HandleNumbers = [];
+ var scope_ActiveHandle = false;
+ var scope_Connects;
+ var scope_Spectrum = options.spectrum;
+ var scope_Values = [];
+ var scope_Events = {};
+ var scope_Self;
+
+
+ // Append a origin to the base
+ function addOrigin ( base, handleNumber ) {
+
+ var origin = addNodeTo(base, options.cssClasses.origin);
+ var handle = addNodeTo(origin, options.cssClasses.handle);
+
+ handle.setAttribute('data-handle', handleNumber);
+
+ if ( handleNumber === 0 ) {
+ addClass(handle, options.cssClasses.handleLower);
+ }
+
+ else if ( handleNumber === options.handles - 1 ) {
+ addClass(handle, options.cssClasses.handleUpper);
+ }
+
+ return origin;
+ }
+
+ // Insert nodes for connect elements
+ function addConnect ( base, add ) {
+
+ if ( !add ) {
+ return false;
+ }
+
+ return addNodeTo(base, options.cssClasses.connect);
+ }
+
+ // Add handles to the slider base.
+ function addElements ( connectOptions, base ) {
+
+ scope_Handles = [];
+ scope_Connects = [];
+
+ scope_Connects.push(addConnect(base, connectOptions[0]));
+
+ // [::::O====O====O====]
+ // connectOptions = [0, 1, 1, 1]
+
+ for ( var i = 0; i < options.handles; i++ ) {
+ // Keep a list of all added handles.
+ scope_Handles.push(addOrigin(base, i));
+ scope_HandleNumbers[i] = i;
+ scope_Connects.push(addConnect(base, connectOptions[i + 1]));
+ }
+ }
+
+ // Initialize a single slider.
+ function addSlider ( target ) {
+
+ // Apply classes and data to the target.
+ addClass(target, options.cssClasses.target);
+
+ if ( options.dir === 0 ) {
+ addClass(target, options.cssClasses.ltr);
+ } else {
+ addClass(target, options.cssClasses.rtl);
+ }
+
+ if ( options.ort === 0 ) {
+ addClass(target, options.cssClasses.horizontal);
+ } else {
+ addClass(target, options.cssClasses.vertical);
+ }
+
+ scope_Base = addNodeTo(target, options.cssClasses.base);
+ }
+
+
+ function addTooltip ( handle, handleNumber ) {
+
+ if ( !options.tooltips[handleNumber] ) {
+ return false;
+ }
+
+ return addNodeTo(handle.firstChild, options.cssClasses.tooltip);
+ }
+
+ // The tooltips option is a shorthand for using the 'update' event.
+ function tooltips ( ) {
+
+ // Tooltips are added with options.tooltips in original order.
+ var tips = scope_Handles.map(addTooltip);
+
+ bindEvent('update', function(values, handleNumber, unencoded) {
+
+ if ( !tips[handleNumber] ) {
+ return;
+ }
+
+ var formattedValue = values[handleNumber];
+
+ if ( options.tooltips[handleNumber] !== true ) {
+ formattedValue = options.tooltips[handleNumber].to(unencoded[handleNumber]);
+ }
+
+ tips[handleNumber].innerHTML = formattedValue;
+ });
+ }
+
+
+ function getGroup ( mode, values, stepped ) {
+
+ // Use the range.
+ if ( mode === 'range' || mode === 'steps' ) {
+ return scope_Spectrum.xVal;
+ }
+
+ if ( mode === 'count' ) {
+
+ if ( !values ) {
+ throw new Error("noUiSlider (" + VERSION + "): 'values' required for mode 'count'.");
+ }
+
+ // Divide 0 - 100 in 'count' parts.
+ var spread = ( 100 / (values - 1) );
+ var v;
+ var i = 0;
+
+ values = [];
+
+ // List these parts and have them handled as 'positions'.
+ while ( (v = i++ * spread) <= 100 ) {
+ values.push(v);
+ }
+
+ mode = 'positions';
+ }
+
+ if ( mode === 'positions' ) {
+
+ // Map all percentages to on-range values.
+ return values.map(function( value ){
+ return scope_Spectrum.fromStepping( stepped ? scope_Spectrum.getStep( value ) : value );
+ });
+ }
+
+ if ( mode === 'values' ) {
+
+ // If the value must be stepped, it needs to be converted to a percentage first.
+ if ( stepped ) {
+
+ return values.map(function( value ){
+
+ // Convert to percentage, apply step, return to value.
+ return scope_Spectrum.fromStepping( scope_Spectrum.getStep( scope_Spectrum.toStepping( value ) ) );
+ });
+
+ }
+
+ // Otherwise, we can simply use the values.
+ return values;
+ }
+ }
+
+ function generateSpread ( density, mode, group ) {
+
+ function safeIncrement(value, increment) {
+ // Avoid floating point variance by dropping the smallest decimal places.
+ return (value + increment).toFixed(7) / 1;
+ }
+
+ var indexes = {};
+ var firstInRange = scope_Spectrum.xVal[0];
+ var lastInRange = scope_Spectrum.xVal[scope_Spectrum.xVal.length-1];
+ var ignoreFirst = false;
+ var ignoreLast = false;
+ var prevPct = 0;
+
+ // Create a copy of the group, sort it and filter away all duplicates.
+ group = unique(group.slice().sort(function(a, b){ return a - b; }));
+
+ // Make sure the range starts with the first element.
+ if ( group[0] !== firstInRange ) {
+ group.unshift(firstInRange);
+ ignoreFirst = true;
+ }
+
+ // Likewise for the last one.
+ if ( group[group.length - 1] !== lastInRange ) {
+ group.push(lastInRange);
+ ignoreLast = true;
+ }
+
+ group.forEach(function ( current, index ) {
+
+ // Get the current step and the lower + upper positions.
+ var step;
+ var i;
+ var q;
+ var low = current;
+ var high = group[index+1];
+ var newPct;
+ var pctDifference;
+ var pctPos;
+ var type;
+ var steps;
+ var realSteps;
+ var stepsize;
+
+ // When using 'steps' mode, use the provided steps.
+ // Otherwise, we'll step on to the next subrange.
+ if ( mode === 'steps' ) {
+ step = scope_Spectrum.xNumSteps[ index ];
+ }
+
+ // Default to a 'full' step.
+ if ( !step ) {
+ step = high-low;
+ }
+
+ // Low can be 0, so test for false. If high is undefined,
+ // we are at the last subrange. Index 0 is already handled.
+ if ( low === false || high === undefined ) {
+ return;
+ }
+
+ // Make sure step isn't 0, which would cause an infinite loop (#654)
+ step = Math.max(step, 0.0000001);
+
+ // Find all steps in the subrange.
+ for ( i = low; i <= high; i = safeIncrement(i, step) ) {
+
+ // Get the percentage value for the current step,
+ // calculate the size for the subrange.
+ newPct = scope_Spectrum.toStepping( i );
+ pctDifference = newPct - prevPct;
+
+ steps = pctDifference / density;
+ realSteps = Math.round(steps);
+
+ // This ratio represents the ammount of percentage-space a point indicates.
+ // For a density 1 the points/percentage = 1. For density 2, that percentage needs to be re-devided.
+ // Round the percentage offset to an even number, then divide by two
+ // to spread the offset on both sides of the range.
+ stepsize = pctDifference/realSteps;
+
+ // Divide all points evenly, adding the correct number to this subrange.
+ // Run up to <= so that 100% gets a point, event if ignoreLast is set.
+ for ( q = 1; q <= realSteps; q += 1 ) {
+
+ // The ratio between the rounded value and the actual size might be ~1% off.
+ // Correct the percentage offset by the number of points
+ // per subrange. density = 1 will result in 100 points on the
+ // full range, 2 for 50, 4 for 25, etc.
+ pctPos = prevPct + ( q * stepsize );
+ indexes[pctPos.toFixed(5)] = ['x', 0];
+ }
+
+ // Determine the point type.
+ type = (group.indexOf(i) > -1) ? 1 : ( mode === 'steps' ? 2 : 0 );
+
+ // Enforce the 'ignoreFirst' option by overwriting the type for 0.
+ if ( !index && ignoreFirst ) {
+ type = 0;
+ }
+
+ if ( !(i === high && ignoreLast)) {
+ // Mark the 'type' of this point. 0 = plain, 1 = real value, 2 = step value.
+ indexes[newPct.toFixed(5)] = [i, type];
+ }
+
+ // Update the percentage count.
+ prevPct = newPct;
+ }
+ });
+
+ return indexes;
+ }
+
+ function addMarking ( spread, filterFunc, formatter ) {
+
+ var element = document.createElement('div');
+ var out = '';
+ var valueSizeClasses = [
+ options.cssClasses.valueNormal,
+ options.cssClasses.valueLarge,
+ options.cssClasses.valueSub
+ ];
+ var markerSizeClasses = [
+ options.cssClasses.markerNormal,
+ options.cssClasses.markerLarge,
+ options.cssClasses.markerSub
+ ];
+ var valueOrientationClasses = [
+ options.cssClasses.valueHorizontal,
+ options.cssClasses.valueVertical
+ ];
+ var markerOrientationClasses = [
+ options.cssClasses.markerHorizontal,
+ options.cssClasses.markerVertical
+ ];
+
+ addClass(element, options.cssClasses.pips);
+ addClass(element, options.ort === 0 ? options.cssClasses.pipsHorizontal : options.cssClasses.pipsVertical);
+
+ function getClasses( type, source ){
+ var a = source === options.cssClasses.value;
+ var orientationClasses = a ? valueOrientationClasses : markerOrientationClasses;
+ var sizeClasses = a ? valueSizeClasses : markerSizeClasses;
+
+ return source + ' ' + orientationClasses[options.ort] + ' ' + sizeClasses[type];
+ }
+
+ function getTags( offset, source, values ) {
+ return 'class="' + getClasses(values[1], source) + '" style="' + options.style + ': ' + offset + '%"';
+ }
+
+ function addSpread ( offset, values ){
+
+ // Apply the filter function, if it is set.
+ values[1] = (values[1] && filterFunc) ? filterFunc(values[0], values[1]) : values[1];
+
+ // Add a marker for every point
+ out += '<div ' + getTags(offset, options.cssClasses.marker, values) + '></div>';
+
+ // Values are only appended for points marked '1' or '2'.
+ if ( values[1] ) {
+ out += '<div ' + getTags(offset, options.cssClasses.value, values) + '>' + formatter.to(values[0]) + '</div>';
+ }
+ }
+
+ // Append all points.
+ Object.keys(spread).forEach(function(a){
+ addSpread(a, spread[a]);
+ });
+
+ element.innerHTML = out;
+
+ return element;
+ }
+
+ function pips ( grid ) {
+
+ var mode = grid.mode;
+ var density = grid.density || 1;
+ var filter = grid.filter || false;
+ var values = grid.values || false;
+ var stepped = grid.stepped || false;
+ var group = getGroup( mode, values, stepped );
+ var spread = generateSpread( density, mode, group );
+ var format = grid.format || {
+ to: Math.round
+ };
+
+ return scope_Target.appendChild(addMarking(
+ spread,
+ filter,
+ format
+ ));
+ }
+
+
+ // Shorthand for base dimensions.
+ function baseSize ( ) {
+ var rect = scope_Base.getBoundingClientRect(), alt = 'offset' + ['Width', 'Height'][options.ort];
+ return options.ort === 0 ? (rect.width||scope_Base[alt]) : (rect.height||scope_Base[alt]);
+ }
+
+ // Handler for attaching events trough a proxy.
+ function attachEvent ( events, element, callback, data ) {
+
+ // This function can be used to 'filter' events to the slider.
+ // element is a node, not a nodeList
+
+ var method = function ( e ){
+
+ if ( scope_Target.hasAttribute('disabled') ) {
+ return false;
+ }
+
+ // Stop if an active 'tap' transition is taking place.
+ if ( hasClass(scope_Target, options.cssClasses.tap) ) {
+ return false;
+ }
+
+ e = fixEvent(e, data.pageOffset);
+
+ // Handle reject of multitouch
+ if ( !e ) {
+ return false;
+ }
+
+ // Ignore right or middle clicks on start #454
+ if ( events === actions.start && e.buttons !== undefined && e.buttons > 1 ) {
+ return false;
+ }
+
+ // Ignore right or middle clicks on start #454
+ if ( data.hover && e.buttons ) {
+ return false;
+ }
+
+ e.calcPoint = e.points[ options.ort ];
+
+ // Call the event handler with the event [ and additional data ].
+ callback ( e, data );
+ };
+
+ var methods = [];
+
+ // Bind a closure on the target for every event type.
+ events.split(' ').forEach(function( eventName ){
+ element.addEventListener(eventName, method, false);
+ methods.push([eventName, method]);
+ });
+
+ return methods;
+ }
+
+ // Provide a clean event with standardized offset values.
+ function fixEvent ( e, pageOffset ) {
+
+ // Prevent scrolling and panning on touch events, while
+ // attempting to slide. The tap event also depends on this.
+ e.preventDefault();
+
+ // Filter the event to register the type, which can be
+ // touch, mouse or pointer. Offset changes need to be
+ // made on an event specific basis.
+ var touch = e.type.indexOf('touch') === 0;
+ var mouse = e.type.indexOf('mouse') === 0;
+ var pointer = e.type.indexOf('pointer') === 0;
+ var x;
+ var y;
+
+ // IE10 implemented pointer events with a prefix;
+ if ( e.type.indexOf('MSPointer') === 0 ) {
+ pointer = true;
+ }
+
+ if ( touch ) {
+
+ // Fix bug when user touches with two or more fingers on mobile devices.
+ // It's useful when you have two or more sliders on one page,
+ // that can be touched simultaneously.
+ // #649, #663, #668
+ if ( e.touches.length > 1 ) {
+ return false;
+ }
+
+ // noUiSlider supports one movement at a time,
+ // so we can select the first 'changedTouch'.
+ x = e.changedTouches[0].pageX;
+ y = e.changedTouches[0].pageY;
+ }
+
+ pageOffset = pageOffset || getPageOffset();
+
+ if ( mouse || pointer ) {
+ x = e.clientX + pageOffset.x;
+ y = e.clientY + pageOffset.y;
+ }
+
+ e.pageOffset = pageOffset;
+ e.points = [x, y];
+ e.cursor = mouse || pointer; // Fix #435
+
+ return e;
+ }
+
+ // Translate a coordinate in the document to a percentage on the slider
+ function calcPointToPercentage ( calcPoint ) {
+ var location = calcPoint - offset(scope_Base, options.ort);
+ var proposal = ( location * 100 ) / baseSize();
+ return options.dir ? 100 - proposal : proposal;
+ }
+
+ // Find handle closest to a certain percentage on the slider
+ function getClosestHandle ( proposal ) {
+
+ var closest = 100;
+ var handleNumber = false;
+
+ scope_Handles.forEach(function(handle, index){
+
+ // Disabled handles are ignored
+ if ( handle.hasAttribute('disabled') ) {
+ return;
+ }
+
+ var pos = Math.abs(scope_Locations[index] - proposal);
+
+ if ( pos < closest ) {
+ handleNumber = index;
+ closest = pos;
+ }
+ });
+
+ return handleNumber;
+ }
+
+ // Moves handle(s) by a percentage
+ // (bool, % to move, [% where handle started, ...], [index in scope_Handles, ...])
+ function moveHandles ( upward, proposal, locations, handleNumbers ) {
+
+ var proposals = locations.slice();
+
+ var b = [!upward, upward];
+ var f = [upward, !upward];
+
+ // Copy handleNumbers so we don't change the dataset
+ handleNumbers = handleNumbers.slice();
+
+ // Check to see which handle is 'leading'.
+ // If that one can't move the second can't either.
+ if ( upward ) {
+ handleNumbers.reverse();
+ }
+
+ // Step 1: get the maximum percentage that any of the handles can move
+ if ( handleNumbers.length > 1 ) {
+
+ handleNumbers.forEach(function(handleNumber, o) {
+
+ var to = checkHandlePosition(proposals, handleNumber, proposals[handleNumber] + proposal, b[o], f[o]);
+
+ // Stop if one of the handles can't move.
+ if ( to === false ) {
+ proposal = 0;
+ } else {
+ proposal = to - proposals[handleNumber];
+ proposals[handleNumber] = to;
+ }
+ });
+ }
+
+ // If using one handle, check backward AND forward
+ else {
+ b = f = [true];
+ }
+
+ var state = false;
+
+ // Step 2: Try to set the handles with the found percentage
+ handleNumbers.forEach(function(handleNumber, o) {
+ state = setHandle(handleNumber, locations[handleNumber] + proposal, b[o], f[o]) || state;
+ });
+
+ // Step 3: If a handle moved, fire events
+ if ( state ) {
+ handleNumbers.forEach(function(handleNumber){
+ fireEvent('update', handleNumber);
+ fireEvent('slide', handleNumber);
+ });
+ }
+ }
+
+ // External event handling
+ function fireEvent ( eventName, handleNumber, tap ) {
+
+ Object.keys(scope_Events).forEach(function( targetEvent ) {
+
+ var eventType = targetEvent.split('.')[0];
+
+ if ( eventName === eventType ) {
+ scope_Events[targetEvent].forEach(function( callback ) {
+
+ callback.call(
+ // Use the slider public API as the scope ('this')
+ scope_Self,
+ // Return values as array, so arg_1[arg_2] is always valid.
+ scope_Values.map(options.format.to),
+ // Handle index, 0 or 1
+ handleNumber,
+ // Unformatted slider values
+ scope_Values.slice(),
+ // Event is fired by tap, true or false
+ tap || false,
+ // Left offset of the handle, in relation to the slider
+ scope_Locations.slice()
+ );
+ });
+ }
+ });
+ }
+
+
+ // Fire 'end' when a mouse or pen leaves the document.
+ function documentLeave ( event, data ) {
+ if ( event.type === "mouseout" && event.target.nodeName === "HTML" && event.relatedTarget === null ){
+ eventEnd (event, data);
+ }
+ }
+
+ // Handle movement on document for handle and range drag.
+ function eventMove ( event, data ) {
+
+ // Fix #498
+ // Check value of .buttons in 'start' to work around a bug in IE10 mobile (data.buttonsProperty).
+ // https://connect.microsoft.com/IE/feedback/details/927005/mobile-ie10-windows-phone-buttons-property-of-pointermove-event-always-zero
+ // IE9 has .buttons and .which zero on mousemove.
+ // Firefox breaks the spec MDN defines.
+ if ( navigator.appVersion.indexOf("MSIE 9") === -1 && event.buttons === 0 && data.buttonsProperty !== 0 ) {
+ return eventEnd(event, data);
+ }
+
+ // Check if we are moving up or down
+ var movement = (options.dir ? -1 : 1) * (event.calcPoint - data.startCalcPoint);
+
+ // Convert the movement into a percentage of the slider width/height
+ var proposal = (movement * 100) / data.baseSize;
+
+ moveHandles(movement > 0, proposal, data.locations, data.handleNumbers);
+ }
+
+ // Unbind move events on document, call callbacks.
+ function eventEnd ( event, data ) {
+
+ // The handle is no longer active, so remove the class.
+ if ( scope_ActiveHandle ) {
+ removeClass(scope_ActiveHandle, options.cssClasses.active);
+ scope_ActiveHandle = false;
+ }
+
+ // Remove cursor styles and text-selection events bound to the body.
+ if ( event.cursor ) {
+ document.body.style.cursor = '';
+ document.body.removeEventListener('selectstart', document.body.noUiListener);
+ }
+
+ // Unbind the move and end events, which are added on 'start'.
+ document.documentElement.noUiListeners.forEach(function( c ) {
+ document.documentElement.removeEventListener(c[0], c[1]);
+ });
+
+ // Remove dragging class.
+ removeClass(scope_Target, options.cssClasses.drag);
+
+ setZindex();
+
+ data.handleNumbers.forEach(function(handleNumber){
+ fireEvent('set', handleNumber);
+ fireEvent('change', handleNumber);
+ fireEvent('end', handleNumber);
+ });
+ }
+
+ // Bind move events on document.
+ function eventStart ( event, data ) {
+
+ if ( data.handleNumbers.length === 1 ) {
+
+ var handle = scope_Handles[data.handleNumbers[0]];
+
+ // Ignore 'disabled' handles
+ if ( handle.hasAttribute('disabled') ) {
+ return false;
+ }
+
+ // Mark the handle as 'active' so it can be styled.
+ scope_ActiveHandle = handle.children[0];
+ addClass(scope_ActiveHandle, options.cssClasses.active);
+ }
+
+ // Fix #551, where a handle gets selected instead of dragged.
+ event.preventDefault();
+
+ // A drag should never propagate up to the 'tap' event.
+ event.stopPropagation();
+
+ // Attach the move and end events.
+ var moveEvent = attachEvent(actions.move, document.documentElement, eventMove, {
+ startCalcPoint: event.calcPoint,
+ baseSize: baseSize(),
+ pageOffset: event.pageOffset,
+ handleNumbers: data.handleNumbers,
+ buttonsProperty: event.buttons,
+ locations: scope_Locations.slice()
+ });
+
+ var endEvent = attachEvent(actions.end, document.documentElement, eventEnd, {
+ handleNumbers: data.handleNumbers
+ });
+
+ var outEvent = attachEvent("mouseout", document.documentElement, documentLeave, {
+ handleNumbers: data.handleNumbers
+ });
+
+ document.documentElement.noUiListeners = moveEvent.concat(endEvent, outEvent);
+
+ // Text selection isn't an issue on touch devices,
+ // so adding cursor styles can be skipped.
+ if ( event.cursor ) {
+
+ // Prevent the 'I' cursor and extend the range-drag cursor.
+ document.body.style.cursor = getComputedStyle(event.target).cursor;
+
+ // Mark the target with a dragging state.
+ if ( scope_Handles.length > 1 ) {
+ addClass(scope_Target, options.cssClasses.drag);
+ }
+
+ var f = function(){
+ return false;
+ };
+
+ document.body.noUiListener = f;
+
+ // Prevent text selection when dragging the handles.
+ document.body.addEventListener('selectstart', f, false);
+ }
+
+ data.handleNumbers.forEach(function(handleNumber){
+ fireEvent('start', handleNumber);
+ });
+ }
+
+ // Move closest handle to tapped location.
+ function eventTap ( event ) {
+
+ // The tap event shouldn't propagate up
+ event.stopPropagation();
+
+ var proposal = calcPointToPercentage(event.calcPoint);
+ var handleNumber = getClosestHandle(proposal);
+
+ // Tackle the case that all handles are 'disabled'.
+ if ( handleNumber === false ) {
+ return false;
+ }
+
+ // Flag the slider as it is now in a transitional state.
+ // Transition takes a configurable amount of ms (default 300). Re-enable the slider after that.
+ if ( !options.events.snap ) {
+ addClassFor(scope_Target, options.cssClasses.tap, options.animationDuration);
+ }
+
+ setHandle(handleNumber, proposal, true, true);
+
+ setZindex();
+
+ fireEvent('slide', handleNumber, true);
+ fireEvent('set', handleNumber, true);
+ fireEvent('change', handleNumber, true);
+ fireEvent('update', handleNumber, true);
+
+ if ( options.events.snap ) {
+ eventStart(event, { handleNumbers: [handleNumber] });
+ }
+ }
+
+ // Fires a 'hover' event for a hovered mouse/pen position.
+ function eventHover ( event ) {
+
+ var proposal = calcPointToPercentage(event.calcPoint);
+
+ var to = scope_Spectrum.getStep(proposal);
+ var value = scope_Spectrum.fromStepping(to);
+
+ Object.keys(scope_Events).forEach(function( targetEvent ) {
+ if ( 'hover' === targetEvent.split('.')[0] ) {
+ scope_Events[targetEvent].forEach(function( callback ) {
+ callback.call( scope_Self, value );
+ });
+ }
+ });
+ }
+
+ // Attach events to several slider parts.
+ function bindSliderEvents ( behaviour ) {
+
+ // Attach the standard drag event to the handles.
+ if ( !behaviour.fixed ) {
+
+ scope_Handles.forEach(function( handle, index ){
+
+ // These events are only bound to the visual handle
+ // element, not the 'real' origin element.
+ attachEvent ( actions.start, handle.children[0], eventStart, {
+ handleNumbers: [index]
+ });
+ });
+ }
+
+ // Attach the tap event to the slider base.
+ if ( behaviour.tap ) {
+ attachEvent (actions.start, scope_Base, eventTap, {});
+ }
+
+ // Fire hover events
+ if ( behaviour.hover ) {
+ attachEvent (actions.move, scope_Base, eventHover, { hover: true });
+ }
+
+ // Make the range draggable.
+ if ( behaviour.drag ){
+
+ scope_Connects.forEach(function( connect, index ){
+
+ if ( connect === false || index === 0 || index === scope_Connects.length - 1 ) {
+ return;
+ }
+
+ var handleBefore = scope_Handles[index - 1];
+ var handleAfter = scope_Handles[index];
+ var eventHolders = [connect];
+
+ addClass(connect, options.cssClasses.draggable);
+
+ // When the range is fixed, the entire range can
+ // be dragged by the handles. The handle in the first
+ // origin will propagate the start event upward,
+ // but it needs to be bound manually on the other.
+ if ( behaviour.fixed ) {
+ eventHolders.push(handleBefore.children[0]);
+ eventHolders.push(handleAfter.children[0]);
+ }
+
+ eventHolders.forEach(function( eventHolder ) {
+ attachEvent ( actions.start, eventHolder, eventStart, {
+ handles: [handleBefore, handleAfter],
+ handleNumbers: [index - 1, index]
+ });
+ });
+ });
+ }
+ }
+
+
+ // Split out the handle positioning logic so the Move event can use it, too
+ function checkHandlePosition ( reference, handleNumber, to, lookBackward, lookForward ) {
+
+ // For sliders with multiple handles, limit movement to the other handle.
+ // Apply the margin option by adding it to the handle positions.
+ if ( scope_Handles.length > 1 ) {
+
+ if ( lookBackward && handleNumber > 0 ) {
+ to = Math.max(to, reference[handleNumber - 1] + options.margin);
+ }
+
+ if ( lookForward && handleNumber < scope_Handles.length - 1 ) {
+ to = Math.min(to, reference[handleNumber + 1] - options.margin);
+ }
+ }
+
+ // The limit option has the opposite effect, limiting handles to a
+ // maximum distance from another. Limit must be > 0, as otherwise
+ // handles would be unmoveable.
+ if ( scope_Handles.length > 1 && options.limit ) {
+
+ if ( lookBackward && handleNumber > 0 ) {
+ to = Math.min(to, reference[handleNumber - 1] + options.limit);
+ }
+
+ if ( lookForward && handleNumber < scope_Handles.length - 1 ) {
+ to = Math.max(to, reference[handleNumber + 1] - options.limit);
+ }
+ }
+
+ // The padding option keeps the handles a certain distance from the
+ // edges of the slider. Padding must be > 0.
+ if ( options.padding ) {
+
+ if ( handleNumber === 0 ) {
+ to = Math.max(to, options.padding);
+ }
+
+ if ( handleNumber === scope_Handles.length - 1 ) {
+ to = Math.min(to, 100 - options.padding);
+ }
+ }
+
+ to = scope_Spectrum.getStep(to);
+
+ // Limit percentage to the 0 - 100 range
+ to = limit(to);
+
+ // Return false if handle can't move
+ if ( to === reference[handleNumber] ) {
+ return false;
+ }
+
+ return to;
+ }
+
+ function toPct ( pct ) {
+ return pct + '%';
+ }
+
+ // Updates scope_Locations and scope_Values, updates visual state
+ function updateHandlePosition ( handleNumber, to ) {
+
+ // Update locations.
+ scope_Locations[handleNumber] = to;
+
+ // Convert the value to the slider stepping/range.
+ scope_Values[handleNumber] = scope_Spectrum.fromStepping(to);
+
+ // Called synchronously or on the next animationFrame
+ var stateUpdate = function() {
+ scope_Handles[handleNumber].style[options.style] = toPct(to);
+ updateConnect(handleNumber);
+ updateConnect(handleNumber + 1);
+ };
+
+ // Set the handle to the new position.
+ // Use requestAnimationFrame for efficient painting.
+ // No significant effect in Chrome, Edge sees dramatic performace improvements.
+ // Option to disable is useful for unit tests, and single-step debugging.
+ if ( window.requestAnimationFrame && options.useRequestAnimationFrame ) {
+ window.requestAnimationFrame(stateUpdate);
+ } else {
+ stateUpdate();
+ }
+ }
+
+ function setZindex ( ) {
+
+ scope_HandleNumbers.forEach(function(handleNumber){
+ // Handles before the slider middle are stacked later = higher,
+ // Handles after the middle later is lower
+ // [[7] [8] .......... | .......... [5] [4]
+ var dir = (scope_Locations[handleNumber] > 50 ? -1 : 1);
+ var zIndex = 3 + (scope_Handles.length + (dir * handleNumber));
+ scope_Handles[handleNumber].childNodes[0].style.zIndex = zIndex;
+ });
+ }
+
+ // Test suggested values and apply margin, step.
+ function setHandle ( handleNumber, to, lookBackward, lookForward ) {
+
+ to = checkHandlePosition(scope_Locations, handleNumber, to, lookBackward, lookForward);
+
+ if ( to === false ) {
+ return false;
+ }
+
+ updateHandlePosition(handleNumber, to);
+
+ return true;
+ }
+
+ // Updates style attribute for connect nodes
+ function updateConnect ( index ) {
+
+ // Skip connects set to false
+ if ( !scope_Connects[index] ) {
+ return;
+ }
+
+ var l = 0;
+ var h = 100;
+
+ if ( index !== 0 ) {
+ l = scope_Locations[index - 1];
+ }
+
+ if ( index !== scope_Connects.length - 1 ) {
+ h = scope_Locations[index];
+ }
+
+ scope_Connects[index].style[options.style] = toPct(l);
+ scope_Connects[index].style[options.styleOposite] = toPct(100 - h);
+ }
+
+ // ...
+ function setValue ( to, handleNumber ) {
+
+ // Setting with null indicates an 'ignore'.
+ // Inputting 'false' is invalid.
+ if ( to === null || to === false ) {
+ return;
+ }
+
+ // If a formatted number was passed, attemt to decode it.
+ if ( typeof to === 'number' ) {
+ to = String(to);
+ }
+
+ to = options.format.from(to);
+
+ // Request an update for all links if the value was invalid.
+ // Do so too if setting the handle fails.
+ if ( to !== false && !isNaN(to) ) {
+ setHandle(handleNumber, scope_Spectrum.toStepping(to), false, false);
+ }
+ }
+
+ // Set the slider value.
+ function valueSet ( input, fireSetEvent ) {
+
+ var values = asArray(input);
+ var isInit = scope_Locations[0] === undefined;
+
+ // Event fires by default
+ fireSetEvent = (fireSetEvent === undefined ? true : !!fireSetEvent);
+
+ values.forEach(setValue);
+
+ // Animation is optional.
+ // Make sure the initial values were set before using animated placement.
+ if ( options.animate && !isInit ) {
+ addClassFor(scope_Target, options.cssClasses.tap, options.animationDuration);
+ }
+
+ // Now that all base values are set, apply constraints
+ scope_HandleNumbers.forEach(function(handleNumber){
+ setHandle(handleNumber, scope_Locations[handleNumber], true, false);
+ });
+
+ setZindex();
+
+ scope_HandleNumbers.forEach(function(handleNumber){
+
+ fireEvent('update', handleNumber);
+
+ // Fire the event only for handles that received a new value, as per #579
+ if ( values[handleNumber] !== null && fireSetEvent ) {
+ fireEvent('set', handleNumber);
+ }
+ });
+ }
+
+ // Reset slider to initial values
+ function valueReset ( fireSetEvent ) {
+ valueSet(options.start, fireSetEvent);
+ }
+
+ // Get the slider value.
+ function valueGet ( ) {
+
+ var values = scope_Values.map(options.format.to);
+
+ // If only one handle is used, return a single value.
+ if ( values.length === 1 ){
+ return values[0];
+ }
+
+ return values;
+ }
+
+ // Removes classes from the root and empties it.
+ function destroy ( ) {
+
+ for ( var key in options.cssClasses ) {
+ if ( !options.cssClasses.hasOwnProperty(key) ) { continue; }
+ removeClass(scope_Target, options.cssClasses[key]);
+ }
+
+ while (scope_Target.firstChild) {
+ scope_Target.removeChild(scope_Target.firstChild);
+ }
+
+ delete scope_Target.noUiSlider;
+ }
+
+ // Get the current step size for the slider.
+ function getCurrentStep ( ) {
+
+ // Check all locations, map them to their stepping point.
+ // Get the step point, then find it in the input list.
+ return scope_Locations.map(function( location, index ){
+
+ var nearbySteps = scope_Spectrum.getNearbySteps( location );
+ var value = scope_Values[index];
+ var increment = nearbySteps.thisStep.step;
+ var decrement = null;
+
+ // If the next value in this step moves into the next step,
+ // the increment is the start of the next step - the current value
+ if ( increment !== false ) {
+ if ( value + increment > nearbySteps.stepAfter.startValue ) {
+ increment = nearbySteps.stepAfter.startValue - value;
+ }
+ }
+
+
+ // If the value is beyond the starting point
+ if ( value > nearbySteps.thisStep.startValue ) {
+ decrement = nearbySteps.thisStep.step;
+ }
+
+ else if ( nearbySteps.stepBefore.step === false ) {
+ decrement = false;
+ }
+
+ // If a handle is at the start of a step, it always steps back into the previous step first
+ else {
+ decrement = value - nearbySteps.stepBefore.highestStep;
+ }
+
+
+ // Now, if at the slider edges, there is not in/decrement
+ if ( location === 100 ) {
+ increment = null;
+ }
+
+ else if ( location === 0 ) {
+ decrement = null;
+ }
+
+ // As per #391, the comparison for the decrement step can have some rounding issues.
+ var stepDecimals = scope_Spectrum.countStepDecimals();
+
+ // Round per #391
+ if ( increment !== null && increment !== false ) {
+ increment = Number(increment.toFixed(stepDecimals));
+ }
+
+ if ( decrement !== null && decrement !== false ) {
+ decrement = Number(decrement.toFixed(stepDecimals));
+ }
+
+ return [decrement, increment];
+ });
+ }
+
+ // Attach an event to this slider, possibly including a namespace
+ function bindEvent ( namespacedEvent, callback ) {
+ scope_Events[namespacedEvent] = scope_Events[namespacedEvent] || [];
+ scope_Events[namespacedEvent].push(callback);
+
+ // If the event bound is 'update,' fire it immediately for all handles.
+ if ( namespacedEvent.split('.')[0] === 'update' ) {
+ scope_Handles.forEach(function(a, index){
+ fireEvent('update', index);
+ });
+ }
+ }
+
+ // Undo attachment of event
+ function removeEvent ( namespacedEvent ) {
+
+ var event = namespacedEvent && namespacedEvent.split('.')[0];
+ var namespace = event && namespacedEvent.substring(event.length);
+
+ Object.keys(scope_Events).forEach(function( bind ){
+
+ var tEvent = bind.split('.')[0],
+ tNamespace = bind.substring(tEvent.length);
+
+ if ( (!event || event === tEvent) && (!namespace || namespace === tNamespace) ) {
+ delete scope_Events[bind];
+ }
+ });
+ }
+
+ // Updateable: margin, limit, padding, step, range, animate, snap
+ function updateOptions ( optionsToUpdate, fireSetEvent ) {
+
+ // Spectrum is created using the range, snap, direction and step options.
+ // 'snap' and 'step' can be updated, 'direction' cannot, due to event binding.
+ // If 'snap' and 'step' are not passed, they should remain unchanged.
+ var v = valueGet();
+
+ var updateAble = ['margin', 'limit', 'padding', 'range', 'animate', 'snap', 'step', 'format'];
+
+ // Only change options that we're actually passed to update.
+ updateAble.forEach(function(name){
+ if ( optionsToUpdate[name] !== undefined ) {
+ originalOptions[name] = optionsToUpdate[name];
+ }
+ });
+
+ var newOptions = testOptions(originalOptions);
+
+ // Load new options into the slider state
+ updateAble.forEach(function(name){
+ if ( optionsToUpdate[name] !== undefined ) {
+ options[name] = newOptions[name];
+ }
+ });
+
+ // Save current spectrum direction as testOptions in testRange call
+ // doesn't rely on current direction
+ newOptions.spectrum.direction = scope_Spectrum.direction;
+ scope_Spectrum = newOptions.spectrum;
+
+ // Limit, margin and padding depend on the spectrum but are stored outside of it. (#677)
+ options.margin = newOptions.margin;
+ options.limit = newOptions.limit;
+ options.padding = newOptions.padding;
+
+ // Invalidate the current positioning so valueSet forces an update.
+ scope_Locations = [];
+ valueSet(optionsToUpdate.start || v, fireSetEvent);
+ }
+
+ // Throw an error if the slider was already initialized.
+ if ( scope_Target.noUiSlider ) {
+ throw new Error("noUiSlider (" + VERSION + "): Slider was already initialized.");
+ }
+
+ // Create the base element, initialise HTML and set classes.
+ // Add handles and connect elements.
+ addSlider(scope_Target);
+ addElements(options.connect, scope_Base);
+
+ scope_Self = {
+ destroy: destroy,
+ steps: getCurrentStep,
+ on: bindEvent,
+ off: removeEvent,
+ get: valueGet,
+ set: valueSet,
+ reset: valueReset,
+ // Exposed for unit testing, don't use this in your application.
+ __moveHandles: function(a, b, c) { moveHandles(a, b, scope_Locations, c); },
+ options: originalOptions, // Issue #600, #678
+ updateOptions: updateOptions,
+ target: scope_Target, // Issue #597
+ pips: pips // Issue #594
+ };
+
+ // Attach user events.
+ bindSliderEvents(options.events);
+
+ // Use the public value method to set the start values.
+ valueSet(options.start);
+
+ if ( options.pips ) {
+ pips(options.pips);
+ }
+
+ if ( options.tooltips ) {
+ tooltips();
+ }
+
+ return scope_Self;
+
+}
+
+
+ // Run the standard initializer
+ function initialize ( target, originalOptions ) {
+
+ if ( !target.nodeName ) {
+ throw new Error("noUiSlider (" + VERSION + "): create requires a single element.");
+ }
+
+ // Test the options and create the slider environment;
+ var options = testOptions( originalOptions, target );
+ var api = closure( target, options, originalOptions );
+
+ target.noUiSlider = api;
+
+ return api;
+ }
+
+ // Use an object instead of a function for future expansibility;
+ return {
+ version: VERSION,
+ create: initialize
+ };
+
+}));
\ No newline at end of file |