1959 lines
54 KiB
JavaScript
1959 lines
54 KiB
JavaScript
/*! nouislider - 8.5.1 - 2016-04-24 16:00:29 */
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(function (factory) {
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if ( typeof define === 'function' && define.amd ) {
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// AMD. Register as an anonymous module.
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define([], factory);
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} else if ( typeof exports === 'object' ) {
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// Node/CommonJS
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module.exports = factory();
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} else {
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// Browser globals
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window.noUiSlider = factory();
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}
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}(function( ){
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'use strict';
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// Removes duplicates from an array.
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function unique(array) {
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return array.filter(function(a){
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return !this[a] ? this[a] = true : false;
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}, {});
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}
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// Round a value to the closest 'to'.
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function closest ( value, to ) {
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return Math.round(value / to) * to;
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}
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// Current position of an element relative to the document.
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function offset ( elem ) {
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var rect = elem.getBoundingClientRect(),
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doc = elem.ownerDocument,
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docElem = doc.documentElement,
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pageOffset = getPageOffset();
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// getBoundingClientRect contains left scroll in Chrome on Android.
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// I haven't found a feature detection that proves this. Worst case
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// scenario on mis-match: the 'tap' feature on horizontal sliders breaks.
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if ( /webkit.*Chrome.*Mobile/i.test(navigator.userAgent) ) {
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pageOffset.x = 0;
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}
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return {
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top: rect.top + pageOffset.y - docElem.clientTop,
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left: rect.left + pageOffset.x - docElem.clientLeft
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};
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}
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// Checks whether a value is numerical.
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function isNumeric ( a ) {
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return typeof a === 'number' && !isNaN( a ) && isFinite( a );
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}
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// Sets a class and removes it after [duration] ms.
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function addClassFor ( element, className, duration ) {
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addClass(element, className);
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setTimeout(function(){
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removeClass(element, className);
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}, duration);
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}
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// Limits a value to 0 - 100
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function limit ( a ) {
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return Math.max(Math.min(a, 100), 0);
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}
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// Wraps a variable as an array, if it isn't one yet.
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function asArray ( a ) {
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return Array.isArray(a) ? a : [a];
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}
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// Counts decimals
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function countDecimals ( numStr ) {
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var pieces = numStr.split(".");
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return pieces.length > 1 ? pieces[1].length : 0;
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}
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// http://youmightnotneedjquery.com/#add_class
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function addClass ( el, className ) {
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if ( el.classList ) {
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el.classList.add(className);
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} else {
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el.className += ' ' + className;
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}
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}
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// http://youmightnotneedjquery.com/#remove_class
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function removeClass ( el, className ) {
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if ( el.classList ) {
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el.classList.remove(className);
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} else {
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el.className = el.className.replace(new RegExp('(^|\\b)' + className.split(' ').join('|') + '(\\b|$)', 'gi'), ' ');
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}
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}
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// https://plainjs.com/javascript/attributes/adding-removing-and-testing-for-classes-9/
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function hasClass ( el, className ) {
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return el.classList ? el.classList.contains(className) : new RegExp('\\b' + className + '\\b').test(el.className);
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}
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// https://developer.mozilla.org/en-US/docs/Web/API/Window/scrollY#Notes
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function getPageOffset ( ) {
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var supportPageOffset = window.pageXOffset !== undefined,
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isCSS1Compat = ((document.compatMode || "") === "CSS1Compat"),
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x = supportPageOffset ? window.pageXOffset : isCSS1Compat ? document.documentElement.scrollLeft : document.body.scrollLeft,
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y = supportPageOffset ? window.pageYOffset : isCSS1Compat ? document.documentElement.scrollTop : document.body.scrollTop;
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return {
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x: x,
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y: y
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};
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}
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// we provide a function to compute constants instead
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// of accessing window.* as soon as the module needs it
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// so that we do not compute anything if not needed
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function getActions ( ) {
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// Determine the events to bind. IE11 implements pointerEvents without
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// a prefix, which breaks compatibility with the IE10 implementation.
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return window.navigator.pointerEnabled ? {
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start: 'pointerdown',
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move: 'pointermove',
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end: 'pointerup'
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} : window.navigator.msPointerEnabled ? {
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start: 'MSPointerDown',
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move: 'MSPointerMove',
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end: 'MSPointerUp'
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} : {
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start: 'mousedown touchstart',
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move: 'mousemove touchmove',
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end: 'mouseup touchend'
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};
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}
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// Value calculation
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// Determine the size of a sub-range in relation to a full range.
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function subRangeRatio ( pa, pb ) {
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return (100 / (pb - pa));
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}
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// (percentage) How many percent is this value of this range?
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function fromPercentage ( range, value ) {
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return (value * 100) / ( range[1] - range[0] );
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}
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// (percentage) Where is this value on this range?
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function toPercentage ( range, value ) {
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return fromPercentage( range, range[0] < 0 ?
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value + Math.abs(range[0]) :
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value - range[0] );
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}
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// (value) How much is this percentage on this range?
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function isPercentage ( range, value ) {
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return ((value * ( range[1] - range[0] )) / 100) + range[0];
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}
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// Range conversion
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function getJ ( value, arr ) {
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var j = 1;
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while ( value >= arr[j] ){
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j += 1;
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}
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return j;
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}
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// (percentage) Input a value, find where, on a scale of 0-100, it applies.
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function toStepping ( xVal, xPct, value ) {
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if ( value >= xVal.slice(-1)[0] ){
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return 100;
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}
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var j = getJ( value, xVal ), va, vb, pa, pb;
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va = xVal[j-1];
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vb = xVal[j];
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pa = xPct[j-1];
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pb = xPct[j];
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return pa + (toPercentage([va, vb], value) / subRangeRatio (pa, pb));
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}
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// (value) Input a percentage, find where it is on the specified range.
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function fromStepping ( xVal, xPct, value ) {
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// There is no range group that fits 100
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if ( value >= 100 ){
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return xVal.slice(-1)[0];
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}
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var j = getJ( value, xPct ), va, vb, pa, pb;
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va = xVal[j-1];
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vb = xVal[j];
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pa = xPct[j-1];
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pb = xPct[j];
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return isPercentage([va, vb], (value - pa) * subRangeRatio (pa, pb));
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}
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// (percentage) Get the step that applies at a certain value.
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function getStep ( xPct, xSteps, snap, value ) {
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if ( value === 100 ) {
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return value;
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}
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var j = getJ( value, xPct ), a, b;
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// If 'snap' is set, steps are used as fixed points on the slider.
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if ( snap ) {
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a = xPct[j-1];
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b = xPct[j];
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// Find the closest position, a or b.
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if ((value - a) > ((b-a)/2)){
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return b;
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}
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return a;
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}
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if ( !xSteps[j-1] ){
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return value;
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}
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return xPct[j-1] + closest(
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value - xPct[j-1],
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xSteps[j-1]
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);
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}
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// Entry parsing
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function handleEntryPoint ( index, value, that ) {
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var percentage;
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// Wrap numerical input in an array.
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if ( typeof value === "number" ) {
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value = [value];
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}
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// Reject any invalid input, by testing whether value is an array.
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if ( Object.prototype.toString.call( value ) !== '[object Array]' ){
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throw new Error("noUiSlider: 'range' contains invalid value.");
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}
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// Covert min/max syntax to 0 and 100.
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if ( index === 'min' ) {
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percentage = 0;
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} else if ( index === 'max' ) {
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percentage = 100;
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} else {
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percentage = parseFloat( index );
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}
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// Check for correct input.
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if ( !isNumeric( percentage ) || !isNumeric( value[0] ) ) {
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throw new Error("noUiSlider: 'range' value isn't numeric.");
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}
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// Store values.
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that.xPct.push( percentage );
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that.xVal.push( value[0] );
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// NaN will evaluate to false too, but to keep
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// logging clear, set step explicitly. Make sure
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// not to override the 'step' setting with false.
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if ( !percentage ) {
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if ( !isNaN( value[1] ) ) {
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that.xSteps[0] = value[1];
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}
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} else {
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that.xSteps.push( isNaN(value[1]) ? false : value[1] );
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}
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}
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function handleStepPoint ( i, n, that ) {
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// Ignore 'false' stepping.
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if ( !n ) {
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return true;
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}
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// Factor to range ratio
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that.xSteps[i] = fromPercentage([
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that.xVal[i]
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,that.xVal[i+1]
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], n) / subRangeRatio (
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that.xPct[i],
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that.xPct[i+1] );
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}
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// Interface
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// The interface to Spectrum handles all direction-based
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// conversions, so the above values are unaware.
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function Spectrum ( entry, snap, direction, singleStep ) {
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this.xPct = [];
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this.xVal = [];
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this.xSteps = [ singleStep || false ];
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this.xNumSteps = [ false ];
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this.snap = snap;
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this.direction = direction;
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var index, ordered = [ /* [0, 'min'], [1, '50%'], [2, 'max'] */ ];
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// Map the object keys to an array.
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for ( index in entry ) {
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if ( entry.hasOwnProperty(index) ) {
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ordered.push([entry[index], index]);
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}
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}
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// Sort all entries by value (numeric sort).
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if ( ordered.length && typeof ordered[0][0] === "object" ) {
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ordered.sort(function(a, b) { return a[0][0] - b[0][0]; });
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} else {
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ordered.sort(function(a, b) { return a[0] - b[0]; });
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}
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// Convert all entries to subranges.
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for ( index = 0; index < ordered.length; index++ ) {
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handleEntryPoint(ordered[index][1], ordered[index][0], this);
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}
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// Store the actual step values.
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// xSteps is sorted in the same order as xPct and xVal.
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this.xNumSteps = this.xSteps.slice(0);
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// Convert all numeric steps to the percentage of the subrange they represent.
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for ( index = 0; index < this.xNumSteps.length; index++ ) {
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handleStepPoint(index, this.xNumSteps[index], this);
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}
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}
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Spectrum.prototype.getMargin = function ( value ) {
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return this.xPct.length === 2 ? fromPercentage(this.xVal, value) : false;
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};
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Spectrum.prototype.toStepping = function ( value ) {
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value = toStepping( this.xVal, this.xPct, value );
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// Invert the value if this is a right-to-left slider.
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if ( this.direction ) {
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value = 100 - value;
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}
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return value;
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};
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Spectrum.prototype.fromStepping = function ( value ) {
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// Invert the value if this is a right-to-left slider.
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if ( this.direction ) {
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value = 100 - value;
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}
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return fromStepping( this.xVal, this.xPct, value );
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};
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Spectrum.prototype.getStep = function ( value ) {
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// Find the proper step for rtl sliders by search in inverse direction.
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// Fixes issue #262.
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if ( this.direction ) {
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value = 100 - value;
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}
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value = getStep(this.xPct, this.xSteps, this.snap, value );
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if ( this.direction ) {
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value = 100 - value;
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}
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return value;
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};
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Spectrum.prototype.getApplicableStep = function ( value ) {
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// If the value is 100%, return the negative step twice.
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var j = getJ(value, this.xPct), offset = value === 100 ? 2 : 1;
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return [this.xNumSteps[j-2], this.xVal[j-offset], this.xNumSteps[j-offset]];
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};
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// Outside testing
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Spectrum.prototype.convert = function ( value ) {
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return this.getStep(this.toStepping(value));
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};
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/* Every input option is tested and parsed. This'll prevent
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endless validation in internal methods. These tests are
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structured with an item for every option available. An
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option can be marked as required by setting the 'r' flag.
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The testing function is provided with three arguments:
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- The provided value for the option;
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- A reference to the options object;
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- The name for the option;
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The testing function returns false when an error is detected,
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or true when everything is OK. It can also modify the option
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object, to make sure all values can be correctly looped elsewhere. */
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var defaultFormatter = { 'to': function( value ){
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return value !== undefined && value.toFixed(2);
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}, 'from': Number };
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function testStep ( parsed, entry ) {
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if ( !isNumeric( entry ) ) {
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throw new Error("noUiSlider: 'step' is not numeric.");
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}
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// The step option can still be used to set stepping
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// for linear sliders. Overwritten if set in 'range'.
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parsed.singleStep = entry;
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}
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function testRange ( parsed, entry ) {
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// Filter incorrect input.
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if ( typeof entry !== 'object' || Array.isArray(entry) ) {
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throw new Error("noUiSlider: 'range' is not an object.");
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}
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// Catch missing start or end.
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if ( entry.min === undefined || entry.max === undefined ) {
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throw new Error("noUiSlider: Missing 'min' or 'max' in 'range'.");
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}
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// Catch equal start or end.
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if ( entry.min === entry.max ) {
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throw new Error("noUiSlider: 'range' 'min' and 'max' cannot be equal.");
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}
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parsed.spectrum = new Spectrum(entry, parsed.snap, parsed.dir, parsed.singleStep);
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}
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function testStart ( parsed, entry ) {
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entry = asArray(entry);
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// Validate input. Values aren't tested, as the public .val method
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// will always provide a valid location.
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if ( !Array.isArray( entry ) || !entry.length || entry.length > 2 ) {
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throw new Error("noUiSlider: 'start' option is incorrect.");
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}
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// Store the number of handles.
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parsed.handles = entry.length;
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// When the slider is initialized, the .val method will
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// be called with the start options.
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parsed.start = entry;
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}
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function testSnap ( parsed, entry ) {
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// Enforce 100% stepping within subranges.
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parsed.snap = entry;
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if ( typeof entry !== 'boolean' ){
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throw new Error("noUiSlider: 'snap' option must be a boolean.");
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}
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}
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function testAnimate ( parsed, entry ) {
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// Enforce 100% stepping within subranges.
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parsed.animate = entry;
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if ( typeof entry !== 'boolean' ){
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throw new Error("noUiSlider: 'animate' option must be a boolean.");
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}
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}
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function testAnimationDuration ( parsed, entry ) {
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parsed.animationDuration = entry;
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if ( typeof entry !== 'number' ){
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throw new Error("noUiSlider: 'animationDuration' option must be a number.");
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}
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}
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function testConnect ( parsed, entry ) {
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if ( entry === 'lower' && parsed.handles === 1 ) {
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parsed.connect = 1;
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} else if ( entry === 'upper' && parsed.handles === 1 ) {
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parsed.connect = 2;
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} else if ( entry === true && parsed.handles === 2 ) {
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parsed.connect = 3;
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} else if ( entry === false ) {
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parsed.connect = 0;
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} else {
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throw new Error("noUiSlider: 'connect' option doesn't match handle count.");
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}
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}
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function testOrientation ( parsed, entry ) {
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// Set orientation to an a numerical value for easy
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// array selection.
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switch ( entry ){
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case 'horizontal':
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parsed.ort = 0;
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break;
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case 'vertical':
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parsed.ort = 1;
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break;
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default:
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throw new Error("noUiSlider: 'orientation' option is invalid.");
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}
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}
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function testMargin ( parsed, entry ) {
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if ( !isNumeric(entry) ){
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throw new Error("noUiSlider: 'margin' option must be numeric.");
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}
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// Issue #582
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if ( entry === 0 ) {
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return;
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}
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parsed.margin = parsed.spectrum.getMargin(entry);
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if ( !parsed.margin ) {
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throw new Error("noUiSlider: 'margin' option is only supported on linear sliders.");
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}
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}
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function testLimit ( parsed, entry ) {
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if ( !isNumeric(entry) ){
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throw new Error("noUiSlider: 'limit' option must be numeric.");
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}
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parsed.limit = parsed.spectrum.getMargin(entry);
|
|
|
|
if ( !parsed.limit ) {
|
|
throw new Error("noUiSlider: 'limit' option is only supported on linear sliders.");
|
|
}
|
|
}
|
|
|
|
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,
|
|
drag = entry.indexOf('drag') >= 0,
|
|
fixed = entry.indexOf('fixed') >= 0,
|
|
snap = entry.indexOf('snap') >= 0,
|
|
hover = entry.indexOf('hover') >= 0;
|
|
|
|
// Fix #472
|
|
if ( drag && !parsed.connect ) {
|
|
throw new Error("noUiSlider: 'drag' behaviour must be used with 'connect': true.");
|
|
}
|
|
|
|
parsed.events = {
|
|
tap: tap || snap,
|
|
drag: drag,
|
|
fixed: fixed,
|
|
snap: snap,
|
|
hover: hover
|
|
};
|
|
}
|
|
|
|
function testTooltips ( parsed, entry ) {
|
|
|
|
var i;
|
|
|
|
if ( entry === false ) {
|
|
return;
|
|
} else if ( entry === true ) {
|
|
|
|
parsed.tooltips = [];
|
|
|
|
for ( 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: 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: '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: 'format' requires 'to' and 'from' methods.");
|
|
}
|
|
|
|
function testCssPrefix ( parsed, entry ) {
|
|
|
|
if ( entry !== undefined && typeof entry !== 'string' && entry !== false ) {
|
|
throw new Error("noUiSlider: 'cssPrefix' must be a string or `false`.");
|
|
}
|
|
|
|
parsed.cssPrefix = entry;
|
|
}
|
|
|
|
function testCssClasses ( parsed, entry ) {
|
|
|
|
if ( entry !== undefined && typeof entry !== 'object' ) {
|
|
throw new Error("noUiSlider: '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;
|
|
}
|
|
}
|
|
|
|
// 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,
|
|
animate: true,
|
|
animationDuration: 300,
|
|
format: defaultFormatter
|
|
}, 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 },
|
|
'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 },
|
|
'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 }
|
|
};
|
|
|
|
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',
|
|
stacking: 'stacking',
|
|
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'
|
|
}
|
|
};
|
|
|
|
// 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: '" + name + "' is required.");
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
tests[name].t( parsed, options[name] === undefined ? defaults[name] : options[name] );
|
|
});
|
|
|
|
// Forward pips options
|
|
parsed.pips = options.pips;
|
|
|
|
// Pre-define the styles.
|
|
parsed.style = parsed.ort ? 'top' : 'left';
|
|
|
|
return parsed;
|
|
}
|
|
|
|
|
|
function closure ( target, options, originalOptions ){
|
|
var
|
|
actions = getActions( ),
|
|
// All variables local to 'closure' are prefixed with 'scope_'
|
|
scope_Target = target,
|
|
scope_Locations = [-1, -1],
|
|
scope_Base,
|
|
scope_Handles,
|
|
scope_Spectrum = options.spectrum,
|
|
scope_Values = [],
|
|
scope_Events = {},
|
|
scope_Self;
|
|
|
|
|
|
// 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];
|
|
}
|
|
|
|
// 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,
|
|
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;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
pageOffset = pageOffset || getPageOffset();
|
|
|
|
if ( mouse || pointer ) {
|
|
x = e.clientX + pageOffset.x;
|
|
y = e.clientY + pageOffset.y;
|
|
}
|
|
|
|
event.pageOffset = pageOffset;
|
|
event.points = [x, y];
|
|
event.cursor = mouse || pointer; // Fix #435
|
|
|
|
return event;
|
|
}
|
|
|
|
// Append a handle to the base.
|
|
function addHandle ( direction, index ) {
|
|
|
|
var origin = document.createElement('div'),
|
|
handle = document.createElement('div'),
|
|
classModifier = [options.cssClasses.handleLower, options.cssClasses.handleUpper];
|
|
|
|
if ( direction ) {
|
|
classModifier.reverse();
|
|
}
|
|
|
|
addClass(handle, options.cssClasses.handle);
|
|
addClass(handle, classModifier[index]);
|
|
|
|
addClass(origin, options.cssClasses.origin);
|
|
origin.appendChild(handle);
|
|
|
|
return origin;
|
|
}
|
|
|
|
// 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: addClass(target, options.cssClasses.connect);
|
|
addClass(handles[0], options.cssClasses.background);
|
|
break;
|
|
case 3: addClass(handles[1], options.cssClasses.background);
|
|
/* falls through */
|
|
case 2: addClass(handles[0], options.cssClasses.connect);
|
|
/* falls through */
|
|
case 0: addClass(target, options.cssClasses.background);
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Add handles to the slider base.
|
|
function addHandles ( nrHandles, direction, base ) {
|
|
|
|
var index, handles = [];
|
|
|
|
// Append handles.
|
|
for ( index = 0; index < nrHandles; index += 1 ) {
|
|
|
|
// Keep a list of all added handles.
|
|
handles.push( base.appendChild(addHandle( direction, index )) );
|
|
}
|
|
|
|
return handles;
|
|
}
|
|
|
|
// Initialize a single slider.
|
|
function addSlider ( direction, orientation, target ) {
|
|
|
|
// Apply classes and data to the target.
|
|
addClass(target, options.cssClasses.target);
|
|
|
|
if ( direction === 0 ) {
|
|
addClass(target, options.cssClasses.ltr);
|
|
} else {
|
|
addClass(target, options.cssClasses.rtl);
|
|
}
|
|
|
|
if ( orientation === 0 ) {
|
|
addClass(target, options.cssClasses.horizontal);
|
|
} else {
|
|
addClass(target, options.cssClasses.vertical);
|
|
}
|
|
|
|
var div = document.createElement('div');
|
|
addClass(div, options.cssClasses.base);
|
|
target.appendChild(div);
|
|
return div;
|
|
}
|
|
|
|
|
|
function addTooltip ( handle, index ) {
|
|
|
|
if ( !options.tooltips[index] ) {
|
|
return false;
|
|
}
|
|
|
|
var element = document.createElement('div');
|
|
element.className = options.cssClasses.tooltip;
|
|
return handle.firstChild.appendChild(element);
|
|
}
|
|
|
|
// The tooltips option is a shorthand for using the 'update' event.
|
|
function tooltips ( ) {
|
|
|
|
if ( options.dir ) {
|
|
options.tooltips.reverse();
|
|
}
|
|
|
|
// Tooltips are added with options.tooltips in original order.
|
|
var tips = scope_Handles.map(addTooltip);
|
|
|
|
if ( options.dir ) {
|
|
tips.reverse();
|
|
options.tooltips.reverse();
|
|
}
|
|
|
|
bindEvent('update', function(f, o, r) {
|
|
if ( tips[o] ) {
|
|
tips[o].innerHTML = options.tooltips[o] === true ? f[o] : options.tooltips[o].to(r[o]);
|
|
}
|
|
});
|
|
}
|
|
|
|
|
|
function getGroup ( mode, values, stepped ) {
|
|
|
|
// Use the range.
|
|
if ( mode === 'range' || mode === 'steps' ) {
|
|
return scope_Spectrum.xVal;
|
|
}
|
|
|
|
if ( mode === 'count' ) {
|
|
|
|
// Divide 0 - 100 in 'count' parts.
|
|
var spread = ( 100 / (values-1) ), v, 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 originalSpectrumDirection = scope_Spectrum.direction,
|
|
indexes = {},
|
|
firstInRange = scope_Spectrum.xVal[0],
|
|
lastInRange = scope_Spectrum.xVal[scope_Spectrum.xVal.length-1],
|
|
ignoreFirst = false,
|
|
ignoreLast = false,
|
|
prevPct = 0;
|
|
|
|
// This function loops the spectrum in an ltr linear fashion,
|
|
// while the toStepping method is direction aware. Trick it into
|
|
// believing it is ltr.
|
|
scope_Spectrum.direction = 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, i, q,
|
|
low = current,
|
|
high = group[index+1],
|
|
newPct, pctDifference, pctPos, type,
|
|
steps, realSteps, 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;
|
|
}
|
|
|
|
// 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;
|
|
}
|
|
});
|
|
|
|
// Reset the spectrum.
|
|
scope_Spectrum.direction = originalSpectrumDirection;
|
|
|
|
return indexes;
|
|
}
|
|
|
|
function addMarking ( spread, filterFunc, formatter ) {
|
|
|
|
var element = document.createElement('div'),
|
|
out = '',
|
|
valueSizeClasses = [
|
|
options.cssClasses.valueNormal,
|
|
options.cssClasses.valueLarge,
|
|
options.cssClasses.valueSub
|
|
],
|
|
markerSizeClasses = [
|
|
options.cssClasses.markerNormal,
|
|
options.cssClasses.markerLarge,
|
|
options.cssClasses.markerSub
|
|
],
|
|
valueOrientationClasses = [
|
|
options.cssClasses.valueHorizontal,
|
|
options.cssClasses.valueVertical
|
|
],
|
|
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,
|
|
orientationClasses = a ? valueOrientationClasses : markerOrientationClasses,
|
|
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 ){
|
|
|
|
if ( scope_Spectrum.direction ) {
|
|
offset = 100 - offset;
|
|
}
|
|
|
|
// 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,
|
|
density = grid.density || 1,
|
|
filter = grid.filter || false,
|
|
values = grid.values || false,
|
|
stepped = grid.stepped || false,
|
|
group = getGroup( mode, values, stepped ),
|
|
spread = generateSpread( density, mode, group ),
|
|
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]);
|
|
}
|
|
|
|
// External event handling
|
|
function fireEvent ( event, handleNumber, tap ) {
|
|
|
|
var i;
|
|
|
|
// During initialization, do not fire events.
|
|
for ( i = 0; i < options.handles; i++ ) {
|
|
if ( scope_Locations[i] === -1 ) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
if ( handleNumber !== undefined && options.handles !== 1 ) {
|
|
handleNumber = Math.abs(handleNumber - options.dir);
|
|
}
|
|
|
|
Object.keys(scope_Events).forEach(function( targetEvent ) {
|
|
|
|
var eventType = targetEvent.split('.')[0];
|
|
|
|
if ( event === 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.
|
|
asArray(valueGet()),
|
|
// Handle index, 0 or 1
|
|
handleNumber,
|
|
// Unformatted slider values
|
|
asArray(inSliderOrder(Array.prototype.slice.call(scope_Values))),
|
|
// Event is fired by tap, true or false
|
|
tap || false,
|
|
// Left offset of the handle, in relation to the slider
|
|
scope_Locations
|
|
);
|
|
});
|
|
}
|
|
});
|
|
}
|
|
|
|
// Returns the input array, respecting the slider direction configuration.
|
|
function inSliderOrder ( values ) {
|
|
|
|
// If only one handle is used, return a single value.
|
|
if ( values.length === 1 ){
|
|
return values[0];
|
|
}
|
|
|
|
if ( options.dir ) {
|
|
return values.reverse();
|
|
}
|
|
|
|
return values;
|
|
}
|
|
|
|
|
|
// Handler for attaching events trough a proxy.
|
|
function attach ( 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);
|
|
|
|
// 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 );
|
|
|
|
}, 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;
|
|
}
|
|
|
|
// Handle movement on document for handle and range drag.
|
|
function move ( 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 end(event, data);
|
|
}
|
|
|
|
var handles = data.handles || scope_Handles, positions, state = false,
|
|
proposal = ((event.calcPoint - data.start) * 100) / data.baseSize,
|
|
handleNumber = handles[0] === scope_Handles[0] ? 0 : 1, i;
|
|
|
|
// Calculate relative positions for the handles.
|
|
positions = getPositions( proposal, data.positions, handles.length > 1);
|
|
|
|
state = setHandle ( handles[0], positions[handleNumber], handles.length === 1 );
|
|
|
|
if ( handles.length > 1 ) {
|
|
|
|
state = setHandle ( handles[1], positions[handleNumber?0:1], false ) || state;
|
|
|
|
if ( state ) {
|
|
// fire for both handles
|
|
for ( i = 0; i < data.handles.length; i++ ) {
|
|
fireEvent('slide', i);
|
|
}
|
|
}
|
|
} else if ( state ) {
|
|
// Fire for a single handle
|
|
fireEvent('slide', handleNumber);
|
|
}
|
|
}
|
|
|
|
// Unbind move events on document, call callbacks.
|
|
function end ( event, data ) {
|
|
|
|
// The handle is no longer active, so remove the class.
|
|
var active = scope_Base.querySelector( '.' + options.cssClasses.active ),
|
|
handleNumber = data.handles[0] === scope_Handles[0] ? 0 : 1;
|
|
|
|
if ( active !== null ) {
|
|
removeClass(active, options.cssClasses.active);
|
|
}
|
|
|
|
// 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);
|
|
}
|
|
|
|
var d = document.documentElement;
|
|
|
|
// Unbind the move and end events, which are added on 'start'.
|
|
d.noUiListeners.forEach(function( c ) {
|
|
d.removeEventListener(c[0], c[1]);
|
|
});
|
|
|
|
// Remove dragging class.
|
|
removeClass(scope_Target, options.cssClasses.drag);
|
|
|
|
// Fire the change and set events.
|
|
fireEvent('set', handleNumber);
|
|
fireEvent('change', handleNumber);
|
|
|
|
// If this is a standard handle movement, fire the end event.
|
|
if ( data.handleNumber !== undefined ) {
|
|
fireEvent('end', data.handleNumber);
|
|
}
|
|
}
|
|
|
|
// 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 ){
|
|
end ( event, data );
|
|
}
|
|
}
|
|
|
|
// Bind move events on document.
|
|
function start ( event, data ) {
|
|
|
|
var d = document.documentElement;
|
|
|
|
// Mark the handle as 'active' so it can be styled.
|
|
if ( data.handles.length === 1 ) {
|
|
// Support 'disabled' handles
|
|
if ( data.handles[0].hasAttribute('disabled') ) {
|
|
return false;
|
|
}
|
|
|
|
addClass(data.handles[0].children[0], 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 = attach(actions.move, d, move, {
|
|
start: event.calcPoint,
|
|
baseSize: baseSize(),
|
|
pageOffset: event.pageOffset,
|
|
handles: data.handles,
|
|
handleNumber: data.handleNumber,
|
|
buttonsProperty: event.buttons,
|
|
positions: [
|
|
scope_Locations[0],
|
|
scope_Locations[scope_Handles.length - 1]
|
|
]
|
|
}), endEvent = attach(actions.end, d, end, {
|
|
handles: data.handles,
|
|
handleNumber: data.handleNumber
|
|
});
|
|
|
|
var outEvent = attach("mouseout", d, documentLeave, {
|
|
handles: data.handles,
|
|
handleNumber: data.handleNumber
|
|
});
|
|
|
|
d.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);
|
|
}
|
|
|
|
if ( data.handleNumber !== undefined ) {
|
|
fireEvent('start', data.handleNumber);
|
|
}
|
|
}
|
|
|
|
// Move closest handle to tapped location.
|
|
function tap ( event ) {
|
|
|
|
var location = event.calcPoint, total = 0, handleNumber, to;
|
|
|
|
// The tap event shouldn't propagate up and cause 'edge' to run.
|
|
event.stopPropagation();
|
|
|
|
// Add up the handle offsets.
|
|
scope_Handles.forEach(function(a){
|
|
total += offset(a)[ options.style ];
|
|
});
|
|
|
|
// Find the handle closest to the tapped position.
|
|
handleNumber = ( location < total/2 || scope_Handles.length === 1 ) ? 0 : 1;
|
|
|
|
// Check if handler is not disablet if yes set number to the next handler
|
|
if (scope_Handles[handleNumber].hasAttribute('disabled')) {
|
|
handleNumber = handleNumber ? 0 : 1;
|
|
}
|
|
|
|
location -= offset(scope_Base)[ options.style ];
|
|
|
|
// Calculate the new position.
|
|
to = ( location * 100 ) / baseSize();
|
|
|
|
if ( !options.events.snap ) {
|
|
// 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.
|
|
addClassFor( scope_Target, options.cssClasses.tap, options.animationDuration );
|
|
}
|
|
|
|
// Support 'disabled' handles
|
|
if ( scope_Handles[handleNumber].hasAttribute('disabled') ) {
|
|
return false;
|
|
}
|
|
|
|
// Find the closest handle and calculate the tapped point.
|
|
// The set handle to the new position.
|
|
setHandle( scope_Handles[handleNumber], to );
|
|
|
|
fireEvent('slide', handleNumber, true);
|
|
fireEvent('set', handleNumber, true);
|
|
fireEvent('change', handleNumber, true);
|
|
|
|
if ( options.events.snap ) {
|
|
start(event, { handles: [scope_Handles[handleNumber]] });
|
|
}
|
|
}
|
|
|
|
// Fires a 'hover' event for a hovered mouse/pen position.
|
|
function hover ( event ) {
|
|
|
|
var location = event.calcPoint - offset(scope_Base)[ options.style ],
|
|
to = scope_Spectrum.getStep(( location * 100 ) / baseSize()),
|
|
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 events ( 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.
|
|
attach ( actions.start, handle.children[0], start, {
|
|
handles: [ handle ],
|
|
handleNumber: index
|
|
});
|
|
});
|
|
}
|
|
|
|
// Attach the tap event to the slider base.
|
|
if ( behaviour.tap ) {
|
|
|
|
attach ( actions.start, scope_Base, tap, {
|
|
handles: scope_Handles
|
|
});
|
|
}
|
|
|
|
// Fire hover events
|
|
if ( behaviour.hover ) {
|
|
attach ( actions.move, scope_Base, hover, { hover: true } );
|
|
}
|
|
|
|
// Make the range draggable.
|
|
if ( behaviour.drag ){
|
|
|
|
var drag = [scope_Base.querySelector( '.' + options.cssClasses.connect )];
|
|
addClass(drag[0], 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 ) {
|
|
drag.push(scope_Handles[(drag[0] === scope_Handles[0] ? 1 : 0)].children[0]);
|
|
}
|
|
|
|
drag.forEach(function( element ) {
|
|
attach ( actions.start, element, start, {
|
|
handles: scope_Handles
|
|
});
|
|
});
|
|
}
|
|
}
|
|
|
|
|
|
// Test suggested values and apply margin, step.
|
|
function setHandle ( handle, to, noLimitOption ) {
|
|
|
|
var trigger = handle !== scope_Handles[0] ? 1 : 0,
|
|
lowerMargin = scope_Locations[0] + options.margin,
|
|
upperMargin = scope_Locations[1] - options.margin,
|
|
lowerLimit = scope_Locations[0] + options.limit,
|
|
upperLimit = scope_Locations[1] - options.limit;
|
|
|
|
// 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 ) {
|
|
to = trigger ? Math.max( to, lowerMargin ) : Math.min( to, upperMargin );
|
|
}
|
|
|
|
// 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. 'noLimitOption' is set to 'false'
|
|
// for the .val() method, except for pass 4/4.
|
|
if ( noLimitOption !== false && options.limit && scope_Handles.length > 1 ) {
|
|
to = trigger ? Math.min ( to, lowerLimit ) : Math.max( to, upperLimit );
|
|
}
|
|
|
|
// Handle the step option.
|
|
to = scope_Spectrum.getStep( to );
|
|
|
|
// Limit percentage to the 0 - 100 range
|
|
to = limit(to);
|
|
|
|
// Return false if handle can't move
|
|
if ( to === scope_Locations[trigger] ) {
|
|
return false;
|
|
}
|
|
|
|
// Set the handle to the new position.
|
|
// Use requestAnimationFrame for efficient painting.
|
|
// No significant effect in Chrome, Edge sees dramatic
|
|
// performace improvements.
|
|
if ( window.requestAnimationFrame ) {
|
|
window.requestAnimationFrame(function(){
|
|
handle.style[options.style] = to + '%';
|
|
});
|
|
} else {
|
|
handle.style[options.style] = to + '%';
|
|
}
|
|
|
|
// Force proper handle stacking
|
|
if ( !handle.previousSibling ) {
|
|
removeClass(handle, options.cssClasses.stacking);
|
|
if ( to > 50 ) {
|
|
addClass(handle, options.cssClasses.stacking);
|
|
}
|
|
}
|
|
|
|
// Update locations.
|
|
scope_Locations[trigger] = to;
|
|
|
|
// Convert the value to the slider stepping/range.
|
|
scope_Values[trigger] = scope_Spectrum.fromStepping( to );
|
|
|
|
fireEvent('update', trigger);
|
|
|
|
return true;
|
|
}
|
|
|
|
// Loop values from value method and apply them.
|
|
function setValues ( count, values ) {
|
|
|
|
var i, trigger, to;
|
|
|
|
// With the limit option, we'll need another limiting pass.
|
|
if ( options.limit ) {
|
|
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 += 1 ) {
|
|
|
|
trigger = i%2;
|
|
|
|
// Get the current argument from the array.
|
|
to = values[trigger];
|
|
|
|
// Setting with null indicates an 'ignore'.
|
|
// Inputting 'false' is invalid.
|
|
if ( to !== null && to !== false ) {
|
|
|
|
// 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( scope_Handles[trigger], scope_Spectrum.toStepping( to ), i === (3 - options.dir) ) === false ) {
|
|
fireEvent('update', trigger);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Set the slider value.
|
|
function valueSet ( input, fireSetEvent ) {
|
|
|
|
var count, values = asArray( input ), i;
|
|
|
|
// Event fires by default
|
|
fireSetEvent = (fireSetEvent === undefined ? true : !!fireSetEvent);
|
|
|
|
// 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.
|
|
// Make sure the initial values where set before using animated placement.
|
|
if ( options.animate && scope_Locations[0] !== -1 ) {
|
|
addClassFor( scope_Target, options.cssClasses.tap, options.animationDuration );
|
|
}
|
|
|
|
// Determine how often to set the handles.
|
|
count = scope_Handles.length > 1 ? 3 : 1;
|
|
|
|
if ( values.length === 1 ) {
|
|
count = 1;
|
|
}
|
|
|
|
setValues ( count, values );
|
|
|
|
// Fire the 'set' event for both handles.
|
|
for ( i = 0; i < scope_Handles.length; i++ ) {
|
|
|
|
// Fire the event only for handles that received a new value, as per #579
|
|
if ( values[i] !== null && fireSetEvent ) {
|
|
fireEvent('set', i);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Get the slider value.
|
|
function valueGet ( ) {
|
|
|
|
var i, retour = [];
|
|
|
|
// Get the value from all handles.
|
|
for ( i = 0; i < options.handles; i += 1 ){
|
|
retour[i] = options.format.to( scope_Values[i] );
|
|
}
|
|
|
|
return inSliderOrder( retour );
|
|
}
|
|
|
|
// 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.
|
|
var retour = scope_Locations.map(function( location, index ){
|
|
|
|
var step = scope_Spectrum.getApplicableStep( location ),
|
|
|
|
// As per #391, the comparison for the decrement step can have some rounding issues.
|
|
// Round the value to the precision used in the step.
|
|
stepDecimals = countDecimals(String(step[2])),
|
|
|
|
// Get the current numeric value
|
|
value = scope_Values[index],
|
|
|
|
// To move the slider 'one step up', the current step value needs to be added.
|
|
// Use null if we are at the maximum slider value.
|
|
increment = location === 100 ? null : step[2],
|
|
|
|
// Going 'one step down' might put the slider in a different sub-range, so we
|
|
// need to switch between the current or the previous step.
|
|
prev = Number((value - step[2]).toFixed(stepDecimals)),
|
|
|
|
// If the value fits the step, return the current step value. Otherwise, use the
|
|
// previous step. Return null if the slider is at its minimum value.
|
|
decrement = location === 0 ? null : (prev >= step[1]) ? step[2] : (step[0] || false);
|
|
|
|
return [decrement, increment];
|
|
});
|
|
|
|
// Return values in the proper order.
|
|
return inSliderOrder( retour );
|
|
}
|
|
|
|
// 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],
|
|
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, 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(), newOptions = testOptions({
|
|
start: [0, 0],
|
|
margin: optionsToUpdate.margin,
|
|
limit: optionsToUpdate.limit,
|
|
step: optionsToUpdate.step === undefined ? options.singleStep : optionsToUpdate.step,
|
|
range: optionsToUpdate.range,
|
|
animate: optionsToUpdate.animate,
|
|
snap: optionsToUpdate.snap === undefined ? options.snap : optionsToUpdate.snap
|
|
});
|
|
|
|
['margin', 'limit', 'range', 'animate'].forEach(function(name){
|
|
|
|
// Only change options that we're actually passed to update.
|
|
if ( optionsToUpdate[name] !== undefined ) {
|
|
options[name] = optionsToUpdate[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;
|
|
|
|
// Invalidate the current positioning so valueSet forces an update.
|
|
scope_Locations = [-1, -1];
|
|
valueSet(optionsToUpdate.start || v, fireSetEvent);
|
|
}
|
|
|
|
|
|
// Throw an error if the slider was already initialized.
|
|
if ( scope_Target.noUiSlider ) {
|
|
throw new Error('Slider was already initialized.');
|
|
}
|
|
|
|
// Create the base element, initialise HTML and set classes.
|
|
// Add handles and links.
|
|
scope_Base = addSlider( options.dir, options.ort, scope_Target );
|
|
scope_Handles = addHandles( options.handles, options.dir, scope_Base );
|
|
|
|
// Set the connect classes.
|
|
addConnection ( options.connect, scope_Target, scope_Handles );
|
|
|
|
if ( options.pips ) {
|
|
pips(options.pips);
|
|
}
|
|
|
|
if ( options.tooltips ) {
|
|
tooltips();
|
|
}
|
|
|
|
scope_Self = {
|
|
destroy: destroy,
|
|
steps: getCurrentStep,
|
|
on: bindEvent,
|
|
off: removeEvent,
|
|
get: valueGet,
|
|
set: valueSet,
|
|
updateOptions: updateOptions,
|
|
options: originalOptions, // Issue #600
|
|
target: scope_Target, // Issue #597
|
|
pips: pips // Issue #594
|
|
};
|
|
|
|
// Attach user events.
|
|
events( options.events );
|
|
|
|
return scope_Self;
|
|
|
|
}
|
|
|
|
|
|
// Run the standard initializer
|
|
function initialize ( target, originalOptions ) {
|
|
|
|
if ( !target.nodeName ) {
|
|
throw new Error('noUiSlider.create requires a single element.');
|
|
}
|
|
|
|
// Test the options and create the slider environment;
|
|
var options = testOptions( originalOptions, target ),
|
|
slider = closure( target, options, originalOptions );
|
|
|
|
// Use the public value method to set the start values.
|
|
slider.set(options.start);
|
|
|
|
target.noUiSlider = slider;
|
|
return slider;
|
|
}
|
|
|
|
// Use an object instead of a function for future expansibility;
|
|
return {
|
|
create: initialize
|
|
};
|
|
|
|
})); |