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/*@preserve $.fn.noUiSlider - WTFPL - refreshless.com/nouislider/ / /jslint browser: true / /jslint sub: true / /jslint white: true / /jslint continue: true / /jslint plusplus: true / (function( $ ){ 'use strict'; var // Cache the document selector; /** @const / doc = $(document), // Make a backup of the original jQuery/Zepto .val() method. /* @const / $val = $.fn.val, // Namespace for binding and unbinding slider events; /* @const / namespace = '.nui', // Determine the events to bind. IE11 implements pointerEvents without // a prefix, which breaks compatibility with the IE10 implementation. /* @const / actions = 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' }, // Re-usable list of classes; /* @const / Classes = [ / 0 / 'noUi-target' / 1 / ,'noUi-base' / 2 / ,'noUi-origin' / 3 / ,'noUi-handle' / 4 / ,'noUi-horizontal' / 5 / ,'noUi-vertical' / 6 / ,'noUi-background' / 7 / ,'noUi-connect' / 8 / ,'noUi-ltr' / 9 / ,'noUi-rtl' / 10 / ,'noUi-dragable' / 11 / ,'' / 12 / ,'noUi-state-drag' / 13 / ,'' / 14 / ,'noUi-state-tap' / 15 / ,'noUi-active' / 16 / ,'noUi-extended' / 17 / ,'noUi-stacking' ]; // General helpers // Limits a value to 0 - 100 function limit ( a ) { return Math.max(Math.min(a, 100), 0); } // Round a value to the closest 'to'. function closest ( value, to ) { return Math.round(value / to) to; } // Determine the size of a sub-range in relation to a full range. function subRangeRatio ( pa, pb ) { return (100 / (pb - pa)); } // Type validation // Checks whether a value is numerical. function isNumeric ( a ) { return typeof a === 'number' && !isNaN( a ) && isFinite( a ); } // Wraps a variable as an array, if it isn't one yet. function asArray ( a ) { return $.isArray(a) ? a : [a]; } // Class handling // Sets a class and removes it after [duration] ms. function addClassFor ( element, className, duration ) { element.addClass(className); setTimeout(function(){ element.removeClass(className); }, duration); } // Value calculation // (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]; } // (percentage) function toStepping ( options, value ) { if ( value >= options.xVal.slice(-1)[0] ){ return 100; } var j = 1, va, vb, pa, pb; while ( value >= options.xVal[j] ){ j++; } va = options.xVal[j-1]; vb = options.xVal[j]; pa = options.xPct[j-1]; pb = options.xPct[j]; return pa + (toPercentage([va, vb], value) / subRangeRatio (pa, pb)); } // (value) function fromStepping ( options, value ) { // There is no range group that fits 100 if ( value >= 100 ){ return options.xVal.slice(-1)[0]; } var j = 1, va, vb, pa, pb; while ( value >= options.xPct[j] ){ j++; } va = options.xVal[j-1]; vb = options.xVal[j]; pa = options.xPct[j-1]; pb = options.xPct[j]; return isPercentage([va, vb], (value - pa) * subRangeRatio (pa, pb)); } // (percentage) Get the step that applies at a certain value. function getStep ( options, value ){ var j = 1, a, b; // Find the proper step for rtl sliders by search in inverse direction. // Fixes issue #262. while ( (options.dir ? (100 - value) : value) >= options.xPct[j] ){ j++; } if ( options.snap ) { a = options.xPct[j-1]; b = options.xPct[j]; if ((value - a) > ((b-a)/2)){ return b; } return a; } if ( !options.xSteps[j-1] ){ return value; } return options.xPct[j-1] + closest( value - options.xPct[j-1], options.xSteps[j-1] ); } // Event handling // Provide a clean event with standardized offset values. function fixEvent ( e ) { // 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 ,mouse = e.type.indexOf('mouse') === 0 ,pointer = e.type.indexOf('pointer') === 0 ,x,y, event = e; // IE10 implemented pointer events with a prefix; if ( e.type.indexOf('MSPointer') === 0 ) { pointer = true; } // Get the originalEvent, if the event has been wrapped // by jQuery. Zepto doesn't wrap the event. if ( e.originalEvent ) { e = e.originalEvent; } if ( touch ) { // noUiSlider supports one movement at a time, // so we can select the first 'changedTouch'. x = e.changedTouches[0].pageX; y = e.changedTouches[0].pageY; } if ( mouse \|\| pointer ) { // Polyfill the pageXOffset and pageYOffset // variables for IE7 and IE8; if( !pointer && window.pageXOffset === undefined ){ window.pageXOffset = document.documentElement.scrollLeft; window.pageYOffset = document.documentElement.scrollTop; } x = e.clientX + window.pageXOffset; y = e.clientY + window.pageYOffset; } event.points = [x, y]; event.cursor = mouse; return event; } // Input validation function testStep ( parsed, entry ) { if ( !isNumeric( entry ) ) { throw new Error("noUiSlider: 'step' is not numeric."); } // The step option can still be used to set stepping // for linear sliders. Overwritten if set in 'range'. parsed.xSteps[0] = entry; } function testRange ( parsed, entry ) { // Filter incorrect input. if ( typeof entry !== 'object' \|\| $.isArray(entry) ) { throw new Error("noUiSlider: 'range' is not an object."); } // Catch missing start or end. if ( entry['min'] === undefined \|\| entry['max'] === undefined ) { throw new Error("noUiSlider: Missing 'min' or 'max' in 'range'."); } // Loop all entries. $.each( entry, function ( index, value ) { var percentage; // Wrap numerical input in an array. if ( typeof value === "number" ) { value = [value]; } // Reject any invalid input. if ( !$.isArray( value ) ){ throw new Error("noUiSlider: '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: 'range' value isn't numeric."); } // Store values. parsed.xPct.push( percentage ); parsed.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] ) ) { parsed.xSteps[0] = value[1]; } } else { parsed.xSteps.push( isNaN(value[1]) ? false : value[1] ); } }); $.each(parsed.xSteps, function(i,n){ // Ignore 'false' stepping. if ( !n ) { return true; } // Check if step fits. Not required, but this might serve some goal. // !((parsed.xVal[i+1] - parsed.xVal[i]) % n); // Factor to range ratio parsed.xSteps[i] = fromPercentage([ parsed.xVal[i] ,parsed.xVal[i+1] ], n) / subRangeRatio ( parsed.xPct[i], parsed.xPct[i+1] ); }); } function testStart ( parsed, entry ) { if ( typeof entry === "number" ) { entry = [entry]; } // Validate input. Values aren't tested, the internal Link will do // that and provide a valid location. if ( !$.isArray( entry ) \|\| !entry.length \|\| entry.length > 2 ) { throw new Error("noUiSlider: '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: 'snap' option must be a boolean."); } } function testConnect ( parsed, entry ) { if ( entry === 'lower' && parsed.handles === 1 ) { parsed.connect = 1; } else if ( entry === 'upper' && parsed.handles === 1 ) { parsed.connect = 2; } else if ( entry === true && parsed.handles === 2 ) { parsed.connect = 3; } else if ( entry === false ) { parsed.connect = 0; } else { throw new Error("noUiSlider: 'connect' option doesn't match handle count."); } } 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: 'orientation' option is invalid."); } } function testMargin ( parsed, entry ) { if ( parsed.xPct.length > 2 ) { throw new Error("noUiSlider: 'margin' option is only supported on linear sliders."); } // Parse value to range and store. As xVal is checked // to be no bigger than 2, use it as range. parsed.margin = fromPercentage(parsed.xVal, entry); if ( !isNumeric(entry) ){ throw new Error("noUiSlider: 'margin' option must be numeric."); } } 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; parsed.connect = [0,2,1,3][parsed.connect]; break; default: throw new Error("noUiSlider: 'direction' option was not recognized."); } } function testBehaviour ( parsed, entry ) { // Make sure the input is a string. if ( typeof entry !== 'string' ) { throw new Error("noUiSlider: 'behaviour' must be a string containing options."); } // Check if the string contains any keywords. // None are required. var tap = entry.indexOf('tap') >= 0, extend = entry.indexOf('extend') >= 0, drag = entry.indexOf('drag') >= 0, fixed = entry.indexOf('fixed') >= 0, snap = entry.indexOf('snap') >= 0; parsed.events = { tap: tap \|\| snap, extend: extend, drag: drag, fixed: fixed, snap: snap }; } function testSerialization ( parsed, entry, sliders ) { parsed.ser = [ entry['lower'], entry['upper'] ]; parsed.formatting = entry['format']; $.each( parsed.ser, function( index, linkInstances ){ // Check if the provided option is an array. if ( !$.isArray(linkInstances) ) { throw new Error("noUiSlider: 'serialization."+(!index ? 'lower' : 'upper')+"' must be an array."); } $.each(linkInstances, function(){ // Check if entry is a Link. if ( !(this instanceof $.Link) ) { throw new Error("noUiSlider: 'serialization."+(!index ? 'lower' : 'upper')+"' can only contain Link instances."); } // Assign properties. this.setIndex ( index ); this.setObject( sliders ); this.setFormatting( entry['format'] ); }); }); // If the slider has two handles and is RTL, // reverse the serialization input. For one handle, // lower is still lower. if ( parsed.dir && parsed.handles > 1 ) { parsed.ser.reverse(); } } // Test all developer settings and parse to assumption-safe values. function test ( options, sliders ){ /* 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 parsed = { xPct: [] ,xVal: [] ,xSteps: [ false ] ,margin: 0 }, tests; // Tests are executed in the order they are presented here. tests = { 'step': { r: false, t: testStep }, 'start': { r: true, t: testStart }, 'connect': { r: true, t: testConnect }, 'direction': { r: true, t: testDirection }, 'range': { r: true, t: testRange }, 'snap': { r: false, t: testSnap }, 'orientation': { r: false, t: testOrientation }, 'margin': { r: false, t: testMargin }, 'behaviour': { r: true, t: testBehaviour }, 'serialization': { r: true, t: testSerialization } }; // Set defaults where applicable. options = $.extend({ 'connect': false, 'direction': 'ltr', 'behaviour': 'tap', 'orientation': 'horizontal' }, options); // Make sure the test for serialization runs. options['serialization'] = $.extend({ 'lower': [] ,'upper': [] ,'format': {} }, options['serialization']); // 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. $.each( tests, function( name, test ){ if ( options[name] === undefined ) { if ( test.r ) { throw new Error("noUiSlider: '" + name + "' is required."); } return true; } test.t( parsed, options[name], sliders ); }); // Pre-define the styles. parsed.style = parsed.ort ? 'top' : 'left'; return parsed; } // DOM additions // Append a handle to the base. function addHandle ( options, index ) { var handle = $('<div><div/></div>').addClass( Classes[2] ), additions = [ '-lower', '-upper' ]; if ( options.dir ) { additions.reverse(); } handle.children().addClass( Classes[3] + " " + Classes[3]+additions[index] ); return handle; } // Create a copy of an element-creating Link. function addElement ( handle, link ) { // If the Link requires creation of a new element, // create this element and return a new Link instance. if ( link.el ) { link = new $.Link({ 'target': $(link.el).clone().appendTo( handle ), 'method': link.method, 'format': link.formatting }, true); } // Otherwise, return the reference. return link; } // Loop all links for a handle. function addElements ( elements, handle, formatting ) { var index, list = [], standard = new $.Link({}, true); // Use the Link interface to provide unified // formatting for the .val() method. standard.setFormatting(formatting); // The list now contains at least one element. list.push( standard ); // Loop all links in either 'lower' or 'upper'. for ( index = 0; index < elements.length; index++ ) { list.push(addElement(handle, elements[index])); } return list; } // Go over all Links and assign them to a handle. function addLinks ( options, handles ) { var index, links = []; // Copy the links into a new array, instead of modifying // the 'options.ser' list. This allows replacement of the invalid // '.el' Links, while the others are still passed by reference. for ( index = 0; index < options.handles; index++ ) { // Append a new array. links[index] = addElements( options.ser[index], handles[index].children(), options.formatting ); } return links; } // Add the proper connection classes. function addConnection ( connect, target, handles ) { // Apply the required connection classes to the elements // that need them. Some classes are made up for several // segments listed in the class list, to allow easy // renaming and provide a minor compression benefit. switch ( connect ) { case 1: target.addClass( Classes[7] ); handles[0].addClass( Classes[6] ); break; case 3: handles[1].addClass( Classes[6] ); / falls through / case 2: handles[0].addClass( Classes[7] ); / falls through / case 0: target.addClass(Classes[6]); break; } } // Add handles and loop Link elements. function addHandles ( options, base ) { var index, handles = []; // Append handles. for ( index = 0; index < options.handles; index++ ) { // Keep a list of all added handles. handles.push( addHandle( options, index ).appendTo(base) ); } return handles; } // Initialize a single slider. function addSlider ( options, target ) { // Apply classes and data to the target. target.addClass([ Classes[0], Classes[8 + options.dir], Classes[4 + options.ort] ].join(' ')); return $('<div/>').appendTo(target).addClass( Classes[1] ); } // Slider scope function closure ( target, options, originalOptions ){ // Internal variables // All variables local to 'closure' are marked $. var $Target = $(target), $Locations = [-1, -1], $Base, $Serialization, $Handles; // Shorthand for base dimensions. function baseSize ( ) { return $Base[['width', 'height'][options.ort]](); } // External event handling function fireEvents ( events ) { // Use the external api to get the values. // Wrap the values in an array, as .trigger takes // only one additional argument. var index, values = [ $Target.val() ]; for ( index = 0; index < events.length; index++ ){ $Target.trigger(events[index], values); } } // Handle placement // Test suggested values and apply margin, step. function setHandle ( handle, to, delimit ) { var n = handle[0] !== $Handles[0][0] ? 1 : 0, lower = $Locations[0] + options.margin, upper = $Locations[1] - options.margin; // Don't delimit range dragging. if ( delimit && $Handles.length > 1 ) { to = n ? Math.max( to, lower ) : Math.min( to, upper ); } // Handle the step option. if ( to < 100 ){ to = getStep(options, to); } // Limit to 0/100 for .val input, trim anything beyond 7 digits, as // JavaScript has some issues in its floating point implementation. to = limit(parseFloat(to.toFixed(7))); // Return falsy if handle can't move. False for 0 or 100 limit, // '0' for limiting by another handle. if ( to === $Locations[n] ) { if ( $Handles.length === 1 ) { return false; } return ( to === lower \|\| to === upper ) ? 0 : false; } // Set the handle to the new position. handle.css( options.style, to + '%' ); // Force proper handle stacking if ( handle.is(':first-child') ) { handle.toggleClass(Classes[17], to > 50 ); } // Update locations. $Locations[n] = to; // Invert the value if this is a right-to-left slider. if ( options.dir ) { to = 100 - to; } // Write values to serialization Links. // Convert the value to the correct relative representation. // Convert the value to the slider stepping/range. $($Serialization[n]).each(function(){ this.write( fromStepping( options, to ), handle.children(), $Target ); }); return true; } // Delimit proposed values for handle positions. function getPositions ( a, b, delimit ) { // Add movement to current position. var c = a + b[0], d = a + b[1]; // Only alter the other position on drag, // not on standard sliding. if ( delimit ) { if ( c < 0 ) { d += Math.abs(c); } if ( d > 100 ) { c -= ( d - 100 ); } // Limit values to 0 and 100. return [limit(c), limit(d)]; } return [c,d]; } // Handles movement by tapping. function jump ( handle, to, instant ) { if ( !instant ) { // Flag the slider as it is now in a transitional state. // Transition takes 300 ms, so re-enable the slider afterwards. addClassFor( $Target, Classes[14], 300 ); } // Move the handle to the new position. setHandle( handle, to, false ); fireEvents(['slide', 'set', 'change']); } // Events // Handler for attaching events trough a proxy. function attach ( events, element, callback, data ) { // Add the noUiSlider namespace to all events. events = events.replace( /\s/g, namespace + ' ' ) + namespace; // Bind a closure on the target. return element.on( events, function( e ){ // jQuery and Zepto handle unset attributes differently. var disabled = $Target.attr('disabled'); disabled = !( disabled === undefined \|\| disabled === null ); // Test if there is anything that should prevent an event // from being handled, such as a disabled state or an active // 'tap' transition. if( $Target.hasClass( Classes[14] ) \|\| disabled ) { return false; } e = fixEvent(e); e.calcPoint = e.points[ options.ort ]; // Call the event handler with the event [ and additional data ]. callback ( e, data ); }); } // Handle movement on document for handle and range drag. function move ( event, data ) { var handles = data.handles \|\| $Handles, positions, state = false, proposal = ((event.calcPoint - data.start) 100) / baseSize(), h = handles[0][0] !== $Handles[0][0] ? 1 : 0; // Calculate relative positions for the handles. positions = getPositions( proposal, data.positions, handles.length > 1); state = setHandle ( handles[0], positions[h], handles.length === 1 ); if ( handles.length > 1 ) { state = setHandle ( handles[1], positions[h?0:1], false ) \|\| state; } // Fire the 'slide' event if any handle moved. if ( state ) { fireEvents(['slide']); } } // Unbind move events on document, call callbacks. function end ( event ) { // The handle is no longer active, so remove the class. $('.' + Classes[15]).removeClass(Classes[15]); // Remove cursor styles and text-selection events bound to the body. if ( event.cursor ) { $('body').css('cursor', '').off( namespace ); } // Unbind the move and end events, which are added on 'start'. doc.off( namespace ); // Remove dragging class. $Target.removeClass(Classes[12]); // Fire the change and set events. fireEvents(['set', 'change']); } // Bind move events on document. function start ( event, data ) { // Mark the handle as 'active' so it can be styled. if( data.handles.length === 1 ) { data.handles[0].children().addClass(Classes[15]); } // A drag should never propagate up to the 'tap' event. event.stopPropagation(); // Attach the move event. attach ( actions.move, doc, move, { start: event.calcPoint, handles: data.handles, positions: [ $Locations[0], $Locations[$Handles.length - 1] ] }); // Unbind all movement when the drag ends. attach ( actions.end, doc, end, null ); // 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. $('body').css('cursor', $(event.target).css('cursor')); // Mark the target with a dragging state. if ( $Handles.length > 1 ) { $Target.addClass(Classes[12]); } // Prevent text selection when dragging the handles. $('body').on('selectstart' + namespace, false); } } // Move closest handle to tapped location. function tap ( event ) { var location = event.calcPoint, total = 0, to; // The tap event shouldn't propagate up and cause 'edge' to run. event.stopPropagation(); // Add up the handle offsets. $.each( $Handles, function(){ total += this.offset()[ options.style ]; }); // Find the handle closest to the tapped position. total = ( location < total/2 \|\| $Handles.length === 1 ) ? 0 : 1; location -= $Base.offset()[ options.style ]; // Calculate the new position. to = ( location * 100 ) / baseSize(); // Find the closest handle and calculate the tapped point. // The set handle to the new position. jump( $Handles[total], to, options.events.snap ); if ( options.events.snap ) { start(event, { handles: [$Handles[total]] }); } } // Move handle to edges when target gets tapped. function edge ( event ) { var i = event.calcPoint < $Base.offset()[ options.style ], to = i ? 0 : 100; i = i ? 0 : $Handles.length - 1; jump( $Handles[i], to, false ); } // Attach events to several slider parts. function events ( behaviour ) { var i, drag; // Attach the standard drag event to the handles. if ( !behaviour.fixed ) { for ( i = 0; i < $Handles.length; i++ ) { // These events are only bound to the visual handle // element, not the 'real' origin element. attach ( actions.start, $Handles[i].children(), start, { handles: [ $Handles[i] ] }); } } // Attach the tap event to the slider base. if ( behaviour.tap ) { attach ( actions.start, $Base, tap, { handles: $Handles }); } // Extend tapping behaviour to target if ( behaviour.extend ) { $Target.addClass( Classes[16] ); if ( behaviour.tap ) { attach ( actions.start, $Target, edge, { handles: $Handles }); } } // Make the range dragable. if ( behaviour.drag ){ drag = $Base.find( '.' + Classes[7] ).addClass( Classes[10] ); // When the range is fixed, the entire range can // be dragged by the handles. The handle in the first // origin will propagate the start event upward, // but it needs to be bound manually on the other. if ( behaviour.fixed ) { drag = drag.add($Base.children().not( drag ).children()); } attach ( actions.start, drag, start, { handles: $Handles }); } } // Initialize slider // Throw an error if the slider was already initialized. if ( $Target.hasClass(Classes[0]) ) { throw new Error('Slider was already initialized.'); } // Create the base element, initialise HTML and set classes. // Add handles and links. $Base = addSlider( options, $Target ); $Handles = addHandles( options, $Base ); $Serialization = addLinks( options, $Handles ); // Set the connect classes. addConnection ( options.connect, $Target, $Handles ); // Attach user events. events( options.events ); // Methods // Set the slider value. /** @expose / target.vSet = function ( ) { var args = Array.prototype.slice.call( arguments, 0 ), callback, link, update, animate, i, count, actual, to, values = asArray( args[0] ); // Extract modifiers for value method. if ( typeof args[1] === 'object' ) { callback = args[1]['set']; link = args[1]['link']; update = args[1]['update']; animate = args[1]['animate']; // Support the 'true' option. } else if ( args[1] === true ) { callback = true; } // The RTL settings is implemented by reversing the front-end, // internal mechanisms are the same. if ( options.dir && options.handles > 1 ) { values.reverse(); } // Animation is optional. if ( animate ) { addClassFor( $Target, Classes[14], 300 ); } // Determine how often to set the handles. count = $Handles.length > 1 ? 3 : 1; if ( values.length === 1 ) { count = 1; } // If there are multiple handles to be set run the setting // mechanism twice for the first handle, to make sure it // can be bounced of the second one properly. for ( i = 0; i < count; i++ ) { to = link \|\| $Serialization[i%2][0]; to = to.getValue( values[i%2] ); if ( to === false ) { continue; } // Calculate the new handle position to = toStepping( options, to ); // Invert the value if this is a right-to-left slider. if ( options.dir ) { to = 100 - to; } // Force delimitation. if ( setHandle( $Handles[i%2], to, true ) === true ) { continue; } // Reset the input if it doesn't match the slider. $($Serialization[i%2]).each(function(index){ if (!index) { actual = this.actual; return true; } this.write( actual, $Handles[i%2].children(), $Target, update ); }); } // Optionally fire the 'set' event. if( callback === true ) { fireEvents(['set']); } return this; }; // Get the slider value. /* @expose / target.vGet = function ( ) { var i, retour = []; // Get the value from all handles. for ( i = 0; i < options.handles; i++ ){ retour[i] = $Serialization[i][0].saved; } // If only one handle is used, return a single value. if ( retour.length === 1 ){ return retour[0]; } if ( options.dir ) { return retour.reverse(); } return retour; }; // Destroy the slider and unbind all events. /* @expose / target.destroy = function ( ) { // Loop all linked serialization objects and unbind all // events in the noUiSlider namespace. $.each($Serialization, function(){ $.each(this, function(){ // Won't remove 'change' when bound implicitly. if ( this.target ) { this.target.off( namespace ); } }); }); // Unbind events on the slider, remove all classes and child elements. $(this).off(namespace) .removeClass(Classes.join(' ')) .empty(); // Return the original options from the closure. return originalOptions; }; // Value setting // Use the public value method to set the start values. $Target.val( options.start ); } // Access points // Run the standard initializer function initialize ( originalOptions ) { // Throw error if group is empty. if ( !this.length ){ throw new Error("noUiSlider: Can't initialize slider on empty selection."); } // Test the options once, not for every slider. var options = test( originalOptions, this ); // Loop all items, and provide a new closed-scope environment. return this.each(function(){ closure(this, options, originalOptions); }); } // Destroy the slider, then re-enter initialization. function rebuild ( options ) { return this.each(function(){ // Get the current values from the slider, // including the initialization options. var values = $(this).val(), originalOptions = this.destroy(), // Extend the previous options with the newly provided ones. newOptions = $.extend( {}, originalOptions, options ); // Run the standard initializer. $(this).noUiSlider( newOptions ); // If the start option hasn't changed, // reset the previous values. if ( originalOptions.start === newOptions.start ) { $(this).val(values); } }); } // Access the internal getting and setting methods based on argument count. function value ( ) { return this[0][ !arguments.length ? 'vGet' : 'vSet' ].apply(this[0], arguments); } // Override the .val() method. Test every element. Is it a slider? Go to // the slider value handling. No? Use the standard method. // Note how $.fn.val extects 'this' to be an instance of $. For convenience, // the above 'value' function does too. $.fn.val = function ( ) { // this === instanceof $ function valMethod( a ){ return a.hasClass(Classes[0]) ? value : $val; } var args = arguments, first = $(this[0]); if ( !arguments.length ) { return valMethod(first).call(first); } // Return the set so it remains chainable return this.each(function(){ valMethod($(this)).apply($(this), args); }); }; // Remap the serialization constructor for legacy support. /* @expose / $.noUiSlider = { 'Link': $.Link }; // Extend jQuery/Zepto with the noUiSlider method. /* @expose */ $.fn.noUiSlider = function ( options, re ) { return ( re ? rebuild : initialize ).call(this, options); }; }( window['jQuery'] \|\| window['Zepto'] ));

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