1913 lines
73 KiB
JavaScript
1913 lines
73 KiB
JavaScript
// https://refreshless.com/nouislider/
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/*! nouislider - 8.3.0 - 2016-02-14 17:37:19 */
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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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// Rounds a number to 7 supported decimals.
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function accurateNumber(number) {
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var p = Math.pow(10, 7);
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return Number((Math.round(number * p) / p).toFixed(7));
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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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// Shorthand for stopPropagation so we don't have to create a dynamic method
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function stopPropagation(e) {
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e.stopPropagation();
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}
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// todo
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function addCssPrefix(cssPrefix) {
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return function (className) {
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return cssPrefix + className;
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};
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}
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var // 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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/** @const */
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actions = window.navigator.pointerEnabled
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? {
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start: "pointerdown",
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move: "pointermove",
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end: "pointerup"
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}
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: window.navigator.msPointerEnabled
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? {
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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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: {
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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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defaultCssPrefix = "noUi-";
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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 ? value + Math.abs(range[0]) : 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),
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va,
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vb,
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pa,
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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),
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va,
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vb,
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pa,
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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),
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a,
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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(value - xPct[j - 1], xSteps[j - 1]);
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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([that.xVal[i], that.xVal[i + 1]], n) / subRangeRatio(that.xPct[i], 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,
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ordered = [
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/* [0, 'min'], [1, '50%'], [2, 'max'] */
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];
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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) {
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return a[0][0] - b[0][0];
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});
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} else {
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ordered.sort(function (a, b) {
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return a[0] - b[0];
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});
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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 accurateNumber(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),
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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 = {
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to: function (value) {
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return value !== undefined && value.toFixed(2);
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},
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from: Number
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};
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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 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);
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if (!parsed.limit) {
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throw new Error("noUiSlider: 'limit' option is only supported on linear sliders.");
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}
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}
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function testDirection(parsed, entry) {
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// Set direction as a numerical value for easy parsing.
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// Invert connection for RTL sliders, so that the proper
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// handles get the connect/background classes.
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switch (entry) {
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case "ltr":
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parsed.dir = 0;
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break;
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case "rtl":
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parsed.dir = 1;
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parsed.connect = [0, 2, 1, 3][parsed.connect];
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break;
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default:
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throw new Error("noUiSlider: 'direction' option was not recognized.");
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}
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}
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function testBehaviour(parsed, entry) {
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// Make sure the input is a string.
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if (typeof entry !== "string") {
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throw new Error("noUiSlider: 'behaviour' must be a string containing options.");
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}
|
|
// 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") {
|
|
throw new Error("noUiSlider: 'cssPrefix' must be a string.");
|
|
}
|
|
parsed.cssPrefix = 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,
|
|
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
|
|
},
|
|
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
|
|
}
|
|
};
|
|
var defaults = {
|
|
connect: false,
|
|
direction: "ltr",
|
|
behaviour: "tap",
|
|
orientation: "horizontal"
|
|
};
|
|
// 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) {
|
|
// All variables local to 'closure' are prefixed with 'scope_'
|
|
var scope_Target = target,
|
|
scope_Locations = [-1, -1],
|
|
scope_Base,
|
|
scope_Handles,
|
|
scope_Spectrum = options.spectrum,
|
|
scope_Values = [],
|
|
scope_Events = {},
|
|
scope_Self;
|
|
var cssClasses = [
|
|
/* 0 */
|
|
"target",
|
|
/* 1 */
|
|
"base",
|
|
/* 2 */
|
|
"origin",
|
|
/* 3 */
|
|
"handle",
|
|
/* 4 */
|
|
"horizontal",
|
|
/* 5 */
|
|
"vertical",
|
|
/* 6 */
|
|
"background",
|
|
/* 7 */
|
|
"connect",
|
|
/* 8 */
|
|
"ltr",
|
|
/* 9 */
|
|
"rtl",
|
|
/* 10 */
|
|
"draggable",
|
|
/* 11 */
|
|
"",
|
|
/* 12 */
|
|
"state-drag",
|
|
/* 13 */
|
|
"",
|
|
/* 14 */
|
|
"state-tap",
|
|
/* 15 */
|
|
"active",
|
|
/* 16 */
|
|
"",
|
|
/* 17 */
|
|
"stacking",
|
|
/* 18 */
|
|
"tooltip",
|
|
/* 19 */
|
|
"",
|
|
/* 20 */
|
|
"pips",
|
|
/* 21 */
|
|
"marker",
|
|
/* 22 */
|
|
"value"
|
|
].map(addCssPrefix(options.cssPrefix || defaultCssPrefix));
|
|
// 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"),
|
|
additions = ["-lower", "-upper"];
|
|
if (direction) {
|
|
additions.reverse();
|
|
}
|
|
addClass(handle, cssClasses[3]);
|
|
addClass(handle, cssClasses[3] + additions[index]);
|
|
addClass(origin, cssClasses[2]);
|
|
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, cssClasses[7]);
|
|
addClass(handles[0], cssClasses[6]);
|
|
break;
|
|
case 3:
|
|
addClass(handles[1], cssClasses[6]);
|
|
/* falls through */
|
|
case 2:
|
|
addClass(handles[0], cssClasses[7]);
|
|
/* falls through */
|
|
case 0:
|
|
addClass(target, cssClasses[6]);
|
|
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, cssClasses[0]);
|
|
addClass(target, cssClasses[8 + direction]);
|
|
addClass(target, cssClasses[4 + orientation]);
|
|
var div = document.createElement("div");
|
|
addClass(div, cssClasses[1]);
|
|
target.appendChild(div);
|
|
return div;
|
|
}
|
|
|
|
function addTooltip(handle, index) {
|
|
if (!options.tooltips[index]) {
|
|
return false;
|
|
}
|
|
var element = document.createElement("div");
|
|
element.className = cssClasses[18];
|
|
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 style = ["horizontal", "vertical"][options.ort],
|
|
element = document.createElement("div"),
|
|
out = "";
|
|
addClass(element, cssClasses[20]);
|
|
addClass(element, cssClasses[20] + "-" + style);
|
|
|
|
function getSize(type) {
|
|
return ["-normal", "-large", "-sub"][type];
|
|
}
|
|
|
|
function getTags(offset, source, values) {
|
|
return 'class="' + source + " " + source + "-" + style + " " + source + getSize(values[1]) + '" 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, cssClasses[21], values) + "></div>";
|
|
// Values are only appended for points marked '1' or '2'.
|
|
if (values[1]) {
|
|
out += "<div " + getTags(offset, cssClasses[22], 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) {
|
|
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, cssClasses[14])) {
|
|
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("." + cssClasses[15]),
|
|
handleNumber = data.handles[0] === scope_Handles[0] ? 0 : 1;
|
|
if (active !== null) {
|
|
removeClass(active, cssClasses[15]);
|
|
}
|
|
// 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, cssClasses[12]);
|
|
// 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) {
|
|
addClass(data.handles[0].children[0], cssClasses[15]);
|
|
// Support 'disabled' handles
|
|
if (data.handles[0].hasAttribute("disabled")) {
|
|
return false;
|
|
}
|
|
}
|
|
// 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, cssClasses[12]);
|
|
}
|
|
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 300 ms, so re-enable the slider afterwards.
|
|
addClassFor(scope_Target, cssClasses[14], 300);
|
|
}
|
|
// 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) {
|
|
var i, drag;
|
|
// Attach the standard drag event to the handles.
|
|
if (!behaviour.fixed) {
|
|
for (i = 0; i < scope_Handles.length; i += 1) {
|
|
// These events are only bound to the visual handle
|
|
// element, not the 'real' origin element.
|
|
attach(actions.start, scope_Handles[i].children[0], start, {
|
|
handles: [scope_Handles[i]],
|
|
handleNumber: i
|
|
});
|
|
}
|
|
}
|
|
// 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
|
|
});
|
|
for (i = 0; i < scope_Handles.length; i += 1) {
|
|
["mousemove MSPointerMove pointermove"].forEach(function (eventName) {
|
|
scope_Handles[i].children[0].addEventListener(eventName, stopPropagation, false);
|
|
});
|
|
}
|
|
}
|
|
// Make the range draggable.
|
|
if (behaviour.drag) {
|
|
drag = [scope_Base.querySelector("." + cssClasses[7])];
|
|
addClass(drag[0], cssClasses[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.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 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 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, cssClasses[17]);
|
|
if (to > 50) {
|
|
addClass(handle, cssClasses[17]);
|
|
}
|
|
}
|
|
// 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) {
|
|
var count,
|
|
values = asArray(input),
|
|
i;
|
|
// 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, cssClasses[14], 300);
|
|
}
|
|
// 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) {
|
|
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() {
|
|
cssClasses.forEach(function (cls) {
|
|
if (!cls) {
|
|
return;
|
|
} // Ignore empty classes
|
|
removeClass(scope_Target, cls);
|
|
});
|
|
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.split(".")[0],
|
|
namespace = 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) {
|
|
var v = valueGet(),
|
|
i,
|
|
newOptions = testOptions({
|
|
start: [0, 0],
|
|
margin: optionsToUpdate.margin,
|
|
limit: optionsToUpdate.limit,
|
|
step: optionsToUpdate.step,
|
|
range: optionsToUpdate.range,
|
|
animate: optionsToUpdate.animate,
|
|
snap: optionsToUpdate.snap === undefined ? options.snap : optionsToUpdate.snap
|
|
});
|
|
["margin", "limit", "step", "range", "animate"].forEach(function (name) {
|
|
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(v);
|
|
for (i = 0; i < scope_Handles.length; i++) {
|
|
fireEvent("update", i);
|
|
}
|
|
}
|
|
// 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: options, // 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);
|
|
// 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
|
|
};
|
|
});
|
|
// wNumb number formatter: https://refreshless.com/wnumb/
|
|
(function () {
|
|
"use strict";
|
|
var /** @const */
|
|
FormatOptions = ["decimals", "thousand", "mark", "prefix", "postfix", "encoder", "decoder", "negativeBefore", "negative", "edit", "undo"];
|
|
// General
|
|
// Reverse a string
|
|
function strReverse(a) {
|
|
return a.split("").reverse().join("");
|
|
}
|
|
// Check if a string starts with a specified prefix.
|
|
|
|
function strStartsWith(input, match) {
|
|
return input.substring(0, match.length) === match;
|
|
}
|
|
// Check is a string ends in a specified postfix.
|
|
|
|
function strEndsWith(input, match) {
|
|
return input.slice(-1 * match.length) === match;
|
|
}
|
|
// Throw an error if formatting options are incompatible.
|
|
|
|
function throwEqualError(F, a, b) {
|
|
if ((F[a] || F[b]) && F[a] === F[b]) {
|
|
throw new Error(a);
|
|
}
|
|
}
|
|
// Check if a number is finite and not NaN
|
|
|
|
function isValidNumber(input) {
|
|
return typeof input === "number" && isFinite(input);
|
|
}
|
|
// Provide rounding-accurate toFixed method.
|
|
|
|
function toFixed(value, decimals) {
|
|
var scale = Math.pow(10, decimals);
|
|
return (Math.round(value * scale) / scale).toFixed(decimals);
|
|
}
|
|
// Formatting
|
|
// Accept a number as input, output formatted string.
|
|
|
|
function formatTo(decimals, thousand, mark, prefix, postfix, encoder, decoder, negativeBefore, negative, edit, undo, input) {
|
|
var originalInput = input,
|
|
inputIsNegative,
|
|
inputPieces,
|
|
inputBase,
|
|
inputDecimals = "",
|
|
output = "";
|
|
// Apply user encoder to the input.
|
|
// Expected outcome: number.
|
|
if (encoder) {
|
|
input = encoder(input);
|
|
}
|
|
// Stop if no valid number was provided, the number is infinite or NaN.
|
|
if (!isValidNumber(input)) {
|
|
return false;
|
|
}
|
|
// Rounding away decimals might cause a value of -0
|
|
// when using very small ranges. Remove those cases.
|
|
if (decimals !== false && parseFloat(input.toFixed(decimals)) === 0) {
|
|
input = 0;
|
|
}
|
|
// Formatting is done on absolute numbers,
|
|
// decorated by an optional negative symbol.
|
|
if (input < 0) {
|
|
inputIsNegative = true;
|
|
input = Math.abs(input);
|
|
}
|
|
// Reduce the number of decimals to the specified option.
|
|
if (decimals !== false) {
|
|
input = toFixed(input, decimals);
|
|
}
|
|
// Transform the number into a string, so it can be split.
|
|
input = input.toString();
|
|
// Break the number on the decimal separator.
|
|
if (input.indexOf(".") !== -1) {
|
|
inputPieces = input.split(".");
|
|
inputBase = inputPieces[0];
|
|
if (mark) {
|
|
inputDecimals = mark + inputPieces[1];
|
|
}
|
|
} else {
|
|
// If it isn't split, the entire number will do.
|
|
inputBase = input;
|
|
}
|
|
// Group numbers in sets of three.
|
|
if (thousand) {
|
|
inputBase = strReverse(inputBase).match(/.{1,3}/g);
|
|
inputBase = strReverse(inputBase.join(strReverse(thousand)));
|
|
}
|
|
// If the number is negative, prefix with negation symbol.
|
|
if (inputIsNegative && negativeBefore) {
|
|
output += negativeBefore;
|
|
}
|
|
// Prefix the number
|
|
if (prefix) {
|
|
output += prefix;
|
|
}
|
|
// Normal negative option comes after the prefix. Defaults to '-'.
|
|
if (inputIsNegative && negative) {
|
|
output += negative;
|
|
}
|
|
// Append the actual number.
|
|
output += inputBase;
|
|
output += inputDecimals;
|
|
// Apply the postfix.
|
|
if (postfix) {
|
|
output += postfix;
|
|
}
|
|
// Run the output through a user-specified post-formatter.
|
|
if (edit) {
|
|
output = edit(output, originalInput);
|
|
}
|
|
// All done.
|
|
return output;
|
|
}
|
|
// Accept a sting as input, output decoded number.
|
|
|
|
function formatFrom(decimals, thousand, mark, prefix, postfix, encoder, decoder, negativeBefore, negative, edit, undo, input) {
|
|
var originalInput = input,
|
|
inputIsNegative,
|
|
output = "";
|
|
// User defined pre-decoder. Result must be a non empty string.
|
|
if (undo) {
|
|
input = undo(input);
|
|
}
|
|
// Test the input. Can't be empty.
|
|
if (!input || typeof input !== "string") {
|
|
return false;
|
|
}
|
|
// If the string starts with the negativeBefore value: remove it.
|
|
// Remember is was there, the number is negative.
|
|
if (negativeBefore && strStartsWith(input, negativeBefore)) {
|
|
input = input.replace(negativeBefore, "");
|
|
inputIsNegative = true;
|
|
}
|
|
// Repeat the same procedure for the prefix.
|
|
if (prefix && strStartsWith(input, prefix)) {
|
|
input = input.replace(prefix, "");
|
|
}
|
|
// And again for negative.
|
|
if (negative && strStartsWith(input, negative)) {
|
|
input = input.replace(negative, "");
|
|
inputIsNegative = true;
|
|
}
|
|
// Remove the postfix.
|
|
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/slice
|
|
if (postfix && strEndsWith(input, postfix)) {
|
|
input = input.slice(0, -1 * postfix.length);
|
|
}
|
|
// Remove the thousand grouping.
|
|
if (thousand) {
|
|
input = input.split(thousand).join("");
|
|
}
|
|
// Set the decimal separator back to period.
|
|
if (mark) {
|
|
input = input.replace(mark, ".");
|
|
}
|
|
// Prepend the negative symbol.
|
|
if (inputIsNegative) {
|
|
output += "-";
|
|
}
|
|
// Add the number
|
|
output += input;
|
|
// Trim all non-numeric characters (allow '.' and '-');
|
|
output = output.replace(/[^0-9\.\-.]/g, "");
|
|
// The value contains no parse-able number.
|
|
if (output === "") {
|
|
return false;
|
|
}
|
|
// Covert to number.
|
|
output = Number(output);
|
|
// Run the user-specified post-decoder.
|
|
if (decoder) {
|
|
output = decoder(output);
|
|
}
|
|
// Check is the output is valid, otherwise: return false.
|
|
if (!isValidNumber(output)) {
|
|
return false;
|
|
}
|
|
return output;
|
|
}
|
|
// Framework
|
|
// Validate formatting options
|
|
|
|
function validate(inputOptions) {
|
|
var i,
|
|
optionName,
|
|
optionValue,
|
|
filteredOptions = {};
|
|
for (i = 0; i < FormatOptions.length; i += 1) {
|
|
optionName = FormatOptions[i];
|
|
optionValue = inputOptions[optionName];
|
|
if (optionValue === undefined) {
|
|
// Only default if negativeBefore isn't set.
|
|
if (optionName === "negative" && !filteredOptions.negativeBefore) {
|
|
filteredOptions[optionName] = "-";
|
|
// Don't set a default for mark when 'thousand' is set.
|
|
} else if (optionName === "mark" && filteredOptions.thousand !== ".") {
|
|
filteredOptions[optionName] = ".";
|
|
} else {
|
|
filteredOptions[optionName] = false;
|
|
}
|
|
// Floating points in JS are stable up to 7 decimals.
|
|
} else if (optionName === "decimals") {
|
|
if (optionValue >= 0 && optionValue < 8) {
|
|
filteredOptions[optionName] = optionValue;
|
|
} else {
|
|
throw new Error(optionName);
|
|
}
|
|
// These options, when provided, must be functions.
|
|
} else if (optionName === "encoder" || optionName === "decoder" || optionName === "edit" || optionName === "undo") {
|
|
if (typeof optionValue === "function") {
|
|
filteredOptions[optionName] = optionValue;
|
|
} else {
|
|
throw new Error(optionName);
|
|
}
|
|
// Other options are strings.
|
|
} else {
|
|
if (typeof optionValue === "string") {
|
|
filteredOptions[optionName] = optionValue;
|
|
} else {
|
|
throw new Error(optionName);
|
|
}
|
|
}
|
|
}
|
|
// Some values can't be extracted from a
|
|
// string if certain combinations are present.
|
|
throwEqualError(filteredOptions, "mark", "thousand");
|
|
throwEqualError(filteredOptions, "prefix", "negative");
|
|
throwEqualError(filteredOptions, "prefix", "negativeBefore");
|
|
return filteredOptions;
|
|
}
|
|
// Pass all options as function arguments
|
|
|
|
function passAll(options, method, input) {
|
|
var i,
|
|
args = [];
|
|
// Add all options in order of FormatOptions
|
|
for (i = 0; i < FormatOptions.length; i += 1) {
|
|
args.push(options[FormatOptions[i]]);
|
|
}
|
|
// Append the input, then call the method, presenting all
|
|
// options as arguments.
|
|
args.push(input);
|
|
return method.apply("", args);
|
|
}
|
|
/** @constructor */
|
|
|
|
function wNumb(options) {
|
|
if (!(this instanceof wNumb)) {
|
|
return new wNumb(options);
|
|
}
|
|
if (typeof options !== "object") {
|
|
return;
|
|
}
|
|
options = validate(options);
|
|
// Call 'formatTo' with proper arguments.
|
|
this.to = function (input) {
|
|
return passAll(options, formatTo, input);
|
|
};
|
|
// Call 'formatFrom' with proper arguments.
|
|
this.from = function (input) {
|
|
return passAll(options, formatFrom, input);
|
|
};
|
|
}
|
|
/** @export */
|
|
window.wNumb = wNumb;
|
|
})();
|