2272 lines
92 KiB
JavaScript
2272 lines
92 KiB
JavaScript
"use strict";
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export var PipsMode;
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(function (PipsMode) {
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PipsMode["Range"] = "range";
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PipsMode["Steps"] = "steps";
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PipsMode["Positions"] = "positions";
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PipsMode["Count"] = "count";
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PipsMode["Values"] = "values";
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})(PipsMode || (PipsMode = {}));
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export var PipsType;
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(function (PipsType) {
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PipsType[PipsType["None"] = -1] = "None";
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PipsType[PipsType["NoValue"] = 0] = "NoValue";
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PipsType[PipsType["LargeValue"] = 1] = "LargeValue";
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PipsType[PipsType["SmallValue"] = 2] = "SmallValue";
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})(PipsType || (PipsType = {}));
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//region Helper Methods
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function isValidFormatter(entry) {
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return isValidPartialFormatter(entry) && typeof entry.from === "function";
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}
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function isValidPartialFormatter(entry) {
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// partial formatters only need a to function and not a from function
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return typeof entry === "object" && typeof entry.to === "function";
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}
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function removeElement(el) {
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el.parentElement.removeChild(el);
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}
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function isSet(value) {
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return value !== null && value !== undefined;
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}
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// Bindable version
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function preventDefault(e) {
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e.preventDefault();
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}
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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, orientation) {
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var rect = elem.getBoundingClientRect();
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var doc = elem.ownerDocument;
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var docElem = doc.documentElement;
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var pageOffset = getPageOffset(doc);
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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 orientation ? rect.top + pageOffset.y - docElem.clientTop : rect.left + pageOffset.x - docElem.clientLeft;
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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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if (duration > 0) {
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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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}
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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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// Note that an input array is returned by reference!
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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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numStr = String(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 && !/\s/.test(className)) {
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el.classList.add(className);
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}
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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 && !/\s/.test(className)) {
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el.classList.remove(className);
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}
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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(doc) {
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var supportPageOffset = window.pageXOffset !== undefined;
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var isCSS1Compat = (doc.compatMode || "") === "CSS1Compat";
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var x = supportPageOffset
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? window.pageXOffset
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: isCSS1Compat
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? doc.documentElement.scrollLeft
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: doc.body.scrollLeft;
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var y = supportPageOffset
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? window.pageYOffset
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: isCSS1Compat
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? doc.documentElement.scrollTop
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: doc.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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? {
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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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}
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// https://github.com/WICG/EventListenerOptions/blob/gh-pages/explainer.md
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// Issue #785
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function getSupportsPassive() {
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var supportsPassive = false;
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/* eslint-disable */
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try {
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var opts = Object.defineProperty({}, "passive", {
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get: function () {
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supportsPassive = true;
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},
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});
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// @ts-ignore
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window.addEventListener("test", null, opts);
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}
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catch (e) { }
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/* eslint-enable */
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return supportsPassive;
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}
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function getSupportsTouchActionNone() {
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return window.CSS && CSS.supports && CSS.supports("touch-action", "none");
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}
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//endregion
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//region Range 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, startRange) {
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return (value * 100) / (range[startRange + 1] - range[startRange]);
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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], 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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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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var va = xVal[j - 1];
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var vb = xVal[j];
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var pa = xPct[j - 1];
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var 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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var va = xVal[j - 1];
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var vb = xVal[j];
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var pa = xPct[j - 1];
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var 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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var a = xPct[j - 1];
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var b = xPct[j];
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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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// 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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//endregion
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//region Spectrum
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var Spectrum = /** @class */ (function () {
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function Spectrum(entry, snap, singleStep) {
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this.xPct = [];
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this.xVal = [];
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this.xSteps = [];
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this.xNumSteps = [];
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this.xHighestCompleteStep = [];
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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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var index;
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var ordered = [];
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// Map the object keys to an array.
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Object.keys(entry).forEach(function (index) {
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ordered.push([asArray(entry[index]), index]);
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});
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// Sort all entries by value (numeric sort).
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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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// Convert all entries to subranges.
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for (index = 0; index < ordered.length; index++) {
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this.handleEntryPoint(ordered[index][1], ordered[index][0]);
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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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this.handleStepPoint(index, this.xNumSteps[index]);
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}
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}
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Spectrum.prototype.getDistance = function (value) {
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var distances = [];
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for (var index = 0; index < this.xNumSteps.length - 1; index++) {
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distances[index] = fromPercentage(this.xVal, value, index);
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}
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return distances;
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};
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// Calculate the percentual distance over the whole scale of ranges.
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// direction: 0 = backwards / 1 = forwards
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Spectrum.prototype.getAbsoluteDistance = function (value, distances, direction) {
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var xPct_index = 0;
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// Calculate range where to start calculation
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if (value < this.xPct[this.xPct.length - 1]) {
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while (value > this.xPct[xPct_index + 1]) {
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xPct_index++;
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}
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}
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else if (value === this.xPct[this.xPct.length - 1]) {
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xPct_index = this.xPct.length - 2;
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}
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// If looking backwards and the value is exactly at a range separator then look one range further
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if (!direction && value === this.xPct[xPct_index + 1]) {
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xPct_index++;
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}
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if (distances === null) {
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distances = [];
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}
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var start_factor;
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var rest_factor = 1;
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var rest_rel_distance = distances[xPct_index];
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var range_pct = 0;
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var rel_range_distance = 0;
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var abs_distance_counter = 0;
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var range_counter = 0;
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// Calculate what part of the start range the value is
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if (direction) {
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start_factor = (value - this.xPct[xPct_index]) / (this.xPct[xPct_index + 1] - this.xPct[xPct_index]);
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}
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else {
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start_factor = (this.xPct[xPct_index + 1] - value) / (this.xPct[xPct_index + 1] - this.xPct[xPct_index]);
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}
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// Do until the complete distance across ranges is calculated
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while (rest_rel_distance > 0) {
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// Calculate the percentage of total range
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range_pct = this.xPct[xPct_index + 1 + range_counter] - this.xPct[xPct_index + range_counter];
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// Detect if the margin, padding or limit is larger then the current range and calculate
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if (distances[xPct_index + range_counter] * rest_factor + 100 - start_factor * 100 > 100) {
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// If larger then take the percentual distance of the whole range
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rel_range_distance = range_pct * start_factor;
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// Rest factor of relative percentual distance still to be calculated
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rest_factor = (rest_rel_distance - 100 * start_factor) / distances[xPct_index + range_counter];
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// Set start factor to 1 as for next range it does not apply.
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start_factor = 1;
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}
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else {
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// If smaller or equal then take the percentual distance of the calculate percentual part of that range
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rel_range_distance = ((distances[xPct_index + range_counter] * range_pct) / 100) * rest_factor;
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// No rest left as the rest fits in current range
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rest_factor = 0;
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}
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if (direction) {
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abs_distance_counter = abs_distance_counter - rel_range_distance;
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// Limit range to first range when distance becomes outside of minimum range
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if (this.xPct.length + range_counter >= 1) {
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range_counter--;
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}
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}
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else {
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abs_distance_counter = abs_distance_counter + rel_range_distance;
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// Limit range to last range when distance becomes outside of maximum range
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if (this.xPct.length - range_counter >= 1) {
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range_counter++;
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}
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}
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// Rest of relative percentual distance still to be calculated
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rest_rel_distance = distances[xPct_index + range_counter] * rest_factor;
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}
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return value + abs_distance_counter;
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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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return value;
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};
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Spectrum.prototype.fromStepping = function (value) {
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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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value = getStep(this.xPct, this.xSteps, this.snap, value);
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return value;
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};
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Spectrum.prototype.getDefaultStep = function (value, isDown, size) {
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var j = getJ(value, this.xPct);
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// When at the top or stepping down, look at the previous sub-range
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if (value === 100 || (isDown && value === this.xPct[j - 1])) {
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j = Math.max(j - 1, 1);
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}
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return (this.xVal[j] - this.xVal[j - 1]) / size;
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};
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Spectrum.prototype.getNearbySteps = function (value) {
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var j = getJ(value, this.xPct);
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return {
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stepBefore: {
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startValue: this.xVal[j - 2],
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step: this.xNumSteps[j - 2],
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highestStep: this.xHighestCompleteStep[j - 2],
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},
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thisStep: {
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startValue: this.xVal[j - 1],
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step: this.xNumSteps[j - 1],
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highestStep: this.xHighestCompleteStep[j - 1],
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},
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stepAfter: {
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startValue: this.xVal[j],
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step: this.xNumSteps[j],
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highestStep: this.xHighestCompleteStep[j],
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},
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};
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};
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Spectrum.prototype.countStepDecimals = function () {
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var stepDecimals = this.xNumSteps.map(countDecimals);
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return Math.max.apply(null, stepDecimals);
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};
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Spectrum.prototype.hasNoSize = function () {
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return this.xVal[0] === this.xVal[this.xVal.length - 1];
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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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Spectrum.prototype.handleEntryPoint = function (index, value) {
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var percentage;
|
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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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}
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else if (index === "max") {
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percentage = 100;
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}
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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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this.xPct.push(percentage);
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this.xVal.push(value[0]);
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var value1 = Number(value[1]);
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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(value1)) {
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this.xSteps[0] = value1;
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}
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}
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else {
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this.xSteps.push(isNaN(value1) ? false : value1);
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}
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this.xHighestCompleteStep.push(0);
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};
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Spectrum.prototype.handleStepPoint = function (i, n) {
|
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// Ignore 'false' stepping.
|
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if (!n) {
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return;
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}
|
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// Step over zero-length ranges (#948);
|
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if (this.xVal[i] === this.xVal[i + 1]) {
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this.xSteps[i] = this.xHighestCompleteStep[i] = this.xVal[i];
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return;
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}
|
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// Factor to range ratio
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this.xSteps[i] =
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fromPercentage([this.xVal[i], this.xVal[i + 1]], n, 0) / subRangeRatio(this.xPct[i], this.xPct[i + 1]);
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var totalSteps = (this.xVal[i + 1] - this.xVal[i]) / this.xNumSteps[i];
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var highestStep = Math.ceil(Number(totalSteps.toFixed(3)) - 1);
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var step = this.xVal[i] + this.xNumSteps[i] * highestStep;
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this.xHighestCompleteStep[i] = step;
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};
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return Spectrum;
|
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}());
|
|
//endregion
|
|
//region Options
|
|
/* Every input option is tested and parsed. This will prevent
|
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endless validation in internal methods. These tests are
|
|
structured with an item for every option available. An
|
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option can be marked as required by setting the 'r' flag.
|
|
The testing function is provided with three arguments:
|
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- The provided value for the option;
|
|
- 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,
|
|
or true when everything is OK. It can also modify the option
|
|
object, to make sure all values can be correctly looped elsewhere. */
|
|
//region Defaults
|
|
var defaultFormatter = {
|
|
to: function (value) {
|
|
return value === undefined ? "" : value.toFixed(2);
|
|
},
|
|
from: Number,
|
|
};
|
|
var cssClasses = {
|
|
target: "target",
|
|
base: "base",
|
|
origin: "origin",
|
|
handle: "handle",
|
|
handleLower: "handle-lower",
|
|
handleUpper: "handle-upper",
|
|
touchArea: "touch-area",
|
|
horizontal: "horizontal",
|
|
vertical: "vertical",
|
|
background: "background",
|
|
connect: "connect",
|
|
connects: "connects",
|
|
ltr: "ltr",
|
|
rtl: "rtl",
|
|
textDirectionLtr: "txt-dir-ltr",
|
|
textDirectionRtl: "txt-dir-rtl",
|
|
draggable: "draggable",
|
|
drag: "state-drag",
|
|
tap: "state-tap",
|
|
active: "active",
|
|
tooltip: "tooltip",
|
|
pips: "pips",
|
|
pipsHorizontal: "pips-horizontal",
|
|
pipsVertical: "pips-vertical",
|
|
marker: "marker",
|
|
markerHorizontal: "marker-horizontal",
|
|
markerVertical: "marker-vertical",
|
|
markerNormal: "marker-normal",
|
|
markerLarge: "marker-large",
|
|
markerSub: "marker-sub",
|
|
value: "value",
|
|
valueHorizontal: "value-horizontal",
|
|
valueVertical: "value-vertical",
|
|
valueNormal: "value-normal",
|
|
valueLarge: "value-large",
|
|
valueSub: "value-sub",
|
|
};
|
|
// Namespaces of internal event listeners
|
|
var INTERNAL_EVENT_NS = {
|
|
tooltips: ".__tooltips",
|
|
aria: ".__aria",
|
|
};
|
|
//endregion
|
|
function testStep(parsed, entry) {
|
|
if (!isNumeric(entry)) {
|
|
throw new Error("noUiSlider: 'step' is not numeric.");
|
|
}
|
|
// The step option can still be used to set stepping
|
|
// for linear sliders. Overwritten if set in 'range'.
|
|
parsed.singleStep = entry;
|
|
}
|
|
function testKeyboardPageMultiplier(parsed, entry) {
|
|
if (!isNumeric(entry)) {
|
|
throw new Error("noUiSlider: 'keyboardPageMultiplier' is not numeric.");
|
|
}
|
|
parsed.keyboardPageMultiplier = entry;
|
|
}
|
|
function testKeyboardMultiplier(parsed, entry) {
|
|
if (!isNumeric(entry)) {
|
|
throw new Error("noUiSlider: 'keyboardMultiplier' is not numeric.");
|
|
}
|
|
parsed.keyboardMultiplier = entry;
|
|
}
|
|
function testKeyboardDefaultStep(parsed, entry) {
|
|
if (!isNumeric(entry)) {
|
|
throw new Error("noUiSlider: 'keyboardDefaultStep' is not numeric.");
|
|
}
|
|
parsed.keyboardDefaultStep = entry;
|
|
}
|
|
function testRange(parsed, entry) {
|
|
// Filter incorrect input.
|
|
if (typeof entry !== "object" || Array.isArray(entry)) {
|
|
throw new Error("noUiSlider: 'range' is not an object.");
|
|
}
|
|
// Catch missing start or end.
|
|
if (entry.min === undefined || entry.max === undefined) {
|
|
throw new Error("noUiSlider: Missing 'min' or 'max' in 'range'.");
|
|
}
|
|
parsed.spectrum = new Spectrum(entry, parsed.snap || false, parsed.singleStep);
|
|
}
|
|
function testStart(parsed, entry) {
|
|
entry = asArray(entry);
|
|
// Validate input. Values aren't tested, as the public .val method
|
|
// will always provide a valid location.
|
|
if (!Array.isArray(entry) || !entry.length) {
|
|
throw new Error("noUiSlider: 'start' option is incorrect.");
|
|
}
|
|
// Store the number of handles.
|
|
parsed.handles = entry.length;
|
|
// When the slider is initialized, the .val method will
|
|
// be called with the start options.
|
|
parsed.start = entry;
|
|
}
|
|
function testSnap(parsed, entry) {
|
|
if (typeof entry !== "boolean") {
|
|
throw new Error("noUiSlider: 'snap' option must be a boolean.");
|
|
}
|
|
// Enforce 100% stepping within subranges.
|
|
parsed.snap = entry;
|
|
}
|
|
function testAnimate(parsed, entry) {
|
|
if (typeof entry !== "boolean") {
|
|
throw new Error("noUiSlider: 'animate' option must be a boolean.");
|
|
}
|
|
// Enforce 100% stepping within subranges.
|
|
parsed.animate = entry;
|
|
}
|
|
function testAnimationDuration(parsed, entry) {
|
|
if (typeof entry !== "number") {
|
|
throw new Error("noUiSlider: 'animationDuration' option must be a number.");
|
|
}
|
|
parsed.animationDuration = entry;
|
|
}
|
|
function testConnect(parsed, entry) {
|
|
var connect = [false];
|
|
var i;
|
|
// Map legacy options
|
|
if (entry === "lower") {
|
|
entry = [true, false];
|
|
}
|
|
else if (entry === "upper") {
|
|
entry = [false, true];
|
|
}
|
|
// Handle boolean options
|
|
if (entry === true || entry === false) {
|
|
for (i = 1; i < parsed.handles; i++) {
|
|
connect.push(entry);
|
|
}
|
|
connect.push(false);
|
|
}
|
|
// Reject invalid input
|
|
else if (!Array.isArray(entry) || !entry.length || entry.length !== parsed.handles + 1) {
|
|
throw new Error("noUiSlider: 'connect' option doesn't match handle count.");
|
|
}
|
|
else {
|
|
connect = entry;
|
|
}
|
|
parsed.connect = connect;
|
|
}
|
|
function testOrientation(parsed, entry) {
|
|
// Set orientation to an a numerical value for easy
|
|
// array selection.
|
|
switch (entry) {
|
|
case "horizontal":
|
|
parsed.ort = 0;
|
|
break;
|
|
case "vertical":
|
|
parsed.ort = 1;
|
|
break;
|
|
default:
|
|
throw new Error("noUiSlider: 'orientation' option is invalid.");
|
|
}
|
|
}
|
|
function testMargin(parsed, entry) {
|
|
if (!isNumeric(entry)) {
|
|
throw new Error("noUiSlider: 'margin' option must be numeric.");
|
|
}
|
|
// Issue #582
|
|
if (entry === 0) {
|
|
return;
|
|
}
|
|
parsed.margin = parsed.spectrum.getDistance(entry);
|
|
}
|
|
function testLimit(parsed, entry) {
|
|
if (!isNumeric(entry)) {
|
|
throw new Error("noUiSlider: 'limit' option must be numeric.");
|
|
}
|
|
parsed.limit = parsed.spectrum.getDistance(entry);
|
|
if (!parsed.limit || parsed.handles < 2) {
|
|
throw new Error("noUiSlider: 'limit' option is only supported on linear sliders with 2 or more handles.");
|
|
}
|
|
}
|
|
function testPadding(parsed, entry) {
|
|
var index;
|
|
if (!isNumeric(entry) && !Array.isArray(entry)) {
|
|
throw new Error("noUiSlider: 'padding' option must be numeric or array of exactly 2 numbers.");
|
|
}
|
|
if (Array.isArray(entry) && !(entry.length === 2 || isNumeric(entry[0]) || isNumeric(entry[1]))) {
|
|
throw new Error("noUiSlider: 'padding' option must be numeric or array of exactly 2 numbers.");
|
|
}
|
|
if (entry === 0) {
|
|
return;
|
|
}
|
|
if (!Array.isArray(entry)) {
|
|
entry = [entry, entry];
|
|
}
|
|
// 'getDistance' returns false for invalid values.
|
|
parsed.padding = [parsed.spectrum.getDistance(entry[0]), parsed.spectrum.getDistance(entry[1])];
|
|
for (index = 0; index < parsed.spectrum.xNumSteps.length - 1; index++) {
|
|
// last "range" can't contain step size as it is purely an endpoint.
|
|
if (parsed.padding[0][index] < 0 || parsed.padding[1][index] < 0) {
|
|
throw new Error("noUiSlider: 'padding' option must be a positive number(s).");
|
|
}
|
|
}
|
|
var totalPadding = entry[0] + entry[1];
|
|
var firstValue = parsed.spectrum.xVal[0];
|
|
var lastValue = parsed.spectrum.xVal[parsed.spectrum.xVal.length - 1];
|
|
if (totalPadding / (lastValue - firstValue) > 1) {
|
|
throw new Error("noUiSlider: 'padding' option must not exceed 100% of the range.");
|
|
}
|
|
}
|
|
function testDirection(parsed, entry) {
|
|
// Set direction as a numerical value for easy parsing.
|
|
// Invert connection for RTL sliders, so that the proper
|
|
// handles get the connect/background classes.
|
|
switch (entry) {
|
|
case "ltr":
|
|
parsed.dir = 0;
|
|
break;
|
|
case "rtl":
|
|
parsed.dir = 1;
|
|
break;
|
|
default:
|
|
throw new Error("noUiSlider: '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;
|
|
var drag = entry.indexOf("drag") >= 0;
|
|
var fixed = entry.indexOf("fixed") >= 0;
|
|
var snap = entry.indexOf("snap") >= 0;
|
|
var hover = entry.indexOf("hover") >= 0;
|
|
var unconstrained = entry.indexOf("unconstrained") >= 0;
|
|
var dragAll = entry.indexOf("drag-all") >= 0;
|
|
var smoothSteps = entry.indexOf("smooth-steps") >= 0;
|
|
if (fixed) {
|
|
if (parsed.handles !== 2) {
|
|
throw new Error("noUiSlider: 'fixed' behaviour must be used with 2 handles");
|
|
}
|
|
// Use margin to enforce fixed state
|
|
testMargin(parsed, parsed.start[1] - parsed.start[0]);
|
|
}
|
|
if (unconstrained && (parsed.margin || parsed.limit)) {
|
|
throw new Error("noUiSlider: 'unconstrained' behaviour cannot be used with margin or limit");
|
|
}
|
|
parsed.events = {
|
|
tap: tap || snap,
|
|
drag: drag,
|
|
dragAll: dragAll,
|
|
smoothSteps: smoothSteps,
|
|
fixed: fixed,
|
|
snap: snap,
|
|
hover: hover,
|
|
unconstrained: unconstrained,
|
|
};
|
|
}
|
|
function testTooltips(parsed, entry) {
|
|
if (entry === false) {
|
|
return;
|
|
}
|
|
if (entry === true || isValidPartialFormatter(entry)) {
|
|
parsed.tooltips = [];
|
|
for (var i = 0; i < parsed.handles; i++) {
|
|
parsed.tooltips.push(entry);
|
|
}
|
|
}
|
|
else {
|
|
entry = asArray(entry);
|
|
if (entry.length !== parsed.handles) {
|
|
throw new Error("noUiSlider: must pass a formatter for all handles.");
|
|
}
|
|
entry.forEach(function (formatter) {
|
|
if (typeof formatter !== "boolean" && !isValidPartialFormatter(formatter)) {
|
|
throw new Error("noUiSlider: 'tooltips' must be passed a formatter or 'false'.");
|
|
}
|
|
});
|
|
parsed.tooltips = entry;
|
|
}
|
|
}
|
|
function testHandleAttributes(parsed, entry) {
|
|
if (entry.length !== parsed.handles) {
|
|
throw new Error("noUiSlider: must pass a attributes for all handles.");
|
|
}
|
|
parsed.handleAttributes = entry;
|
|
}
|
|
function testAriaFormat(parsed, entry) {
|
|
if (!isValidPartialFormatter(entry)) {
|
|
throw new Error("noUiSlider: 'ariaFormat' requires 'to' method.");
|
|
}
|
|
parsed.ariaFormat = entry;
|
|
}
|
|
function testFormat(parsed, entry) {
|
|
if (!isValidFormatter(entry)) {
|
|
throw new Error("noUiSlider: 'format' requires 'to' and 'from' methods.");
|
|
}
|
|
parsed.format = entry;
|
|
}
|
|
function testKeyboardSupport(parsed, entry) {
|
|
if (typeof entry !== "boolean") {
|
|
throw new Error("noUiSlider: 'keyboardSupport' option must be a boolean.");
|
|
}
|
|
parsed.keyboardSupport = entry;
|
|
}
|
|
function testDocumentElement(parsed, entry) {
|
|
// This is an advanced option. Passed values are used without validation.
|
|
parsed.documentElement = entry;
|
|
}
|
|
function testCssPrefix(parsed, entry) {
|
|
if (typeof entry !== "string" && entry !== false) {
|
|
throw new Error("noUiSlider: 'cssPrefix' must be a string or `false`.");
|
|
}
|
|
parsed.cssPrefix = entry;
|
|
}
|
|
function testCssClasses(parsed, entry) {
|
|
if (typeof entry !== "object") {
|
|
throw new Error("noUiSlider: 'cssClasses' must be an object.");
|
|
}
|
|
if (typeof parsed.cssPrefix === "string") {
|
|
parsed.cssClasses = {};
|
|
Object.keys(entry).forEach(function (key) {
|
|
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: null,
|
|
limit: null,
|
|
padding: null,
|
|
animate: true,
|
|
animationDuration: 300,
|
|
ariaFormat: defaultFormatter,
|
|
format: defaultFormatter,
|
|
};
|
|
// Tests are executed in the order they are presented here.
|
|
var tests = {
|
|
step: { r: false, t: testStep },
|
|
keyboardPageMultiplier: { r: false, t: testKeyboardPageMultiplier },
|
|
keyboardMultiplier: { r: false, t: testKeyboardMultiplier },
|
|
keyboardDefaultStep: { r: false, t: testKeyboardDefaultStep },
|
|
start: { r: true, t: testStart },
|
|
connect: { r: true, t: testConnect },
|
|
direction: { r: true, t: testDirection },
|
|
snap: { r: false, t: testSnap },
|
|
animate: { r: false, t: testAnimate },
|
|
animationDuration: { r: false, t: testAnimationDuration },
|
|
range: { r: true, t: testRange },
|
|
orientation: { r: false, t: testOrientation },
|
|
margin: { r: false, t: testMargin },
|
|
limit: { r: false, t: testLimit },
|
|
padding: { r: false, t: testPadding },
|
|
behaviour: { r: true, t: testBehaviour },
|
|
ariaFormat: { r: false, t: testAriaFormat },
|
|
format: { r: false, t: testFormat },
|
|
tooltips: { r: false, t: testTooltips },
|
|
keyboardSupport: { r: true, t: testKeyboardSupport },
|
|
documentElement: { r: false, t: testDocumentElement },
|
|
cssPrefix: { r: true, t: testCssPrefix },
|
|
cssClasses: { r: true, t: testCssClasses },
|
|
handleAttributes: { r: false, t: testHandleAttributes },
|
|
};
|
|
var defaults = {
|
|
connect: false,
|
|
direction: "ltr",
|
|
behaviour: "tap",
|
|
orientation: "horizontal",
|
|
keyboardSupport: true,
|
|
cssPrefix: "noUi-",
|
|
cssClasses: cssClasses,
|
|
keyboardPageMultiplier: 5,
|
|
keyboardMultiplier: 1,
|
|
keyboardDefaultStep: 10,
|
|
};
|
|
// AriaFormat defaults to regular format, if any.
|
|
if (options.format && !options.ariaFormat) {
|
|
options.ariaFormat = options.format;
|
|
}
|
|
// 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 (!isSet(options[name]) && defaults[name] === undefined) {
|
|
if (tests[name].r) {
|
|
throw new Error("noUiSlider: '" + name + "' is required.");
|
|
}
|
|
return;
|
|
}
|
|
tests[name].t(parsed, !isSet(options[name]) ? defaults[name] : options[name]);
|
|
});
|
|
// Forward pips options
|
|
parsed.pips = options.pips;
|
|
// All recent browsers accept unprefixed transform.
|
|
// We need -ms- for IE9 and -webkit- for older Android;
|
|
// Assume use of -webkit- if unprefixed and -ms- are not supported.
|
|
// https://caniuse.com/#feat=transforms2d
|
|
var d = document.createElement("div");
|
|
var msPrefix = d.style.msTransform !== undefined;
|
|
var noPrefix = d.style.transform !== undefined;
|
|
parsed.transformRule = noPrefix ? "transform" : msPrefix ? "msTransform" : "webkitTransform";
|
|
// Pips don't move, so we can place them using left/top.
|
|
var styles = [
|
|
["left", "top"],
|
|
["right", "bottom"],
|
|
];
|
|
parsed.style = styles[parsed.dir][parsed.ort];
|
|
return parsed;
|
|
}
|
|
//endregion
|
|
function scope(target, options, originalOptions) {
|
|
var actions = getActions();
|
|
var supportsTouchActionNone = getSupportsTouchActionNone();
|
|
var supportsPassive = supportsTouchActionNone && getSupportsPassive();
|
|
// All variables local to 'scope' are prefixed with 'scope_'
|
|
// Slider DOM Nodes
|
|
var scope_Target = target;
|
|
var scope_Base;
|
|
var scope_Handles;
|
|
var scope_Connects;
|
|
var scope_Pips;
|
|
var scope_Tooltips;
|
|
// Slider state values
|
|
var scope_Spectrum = options.spectrum;
|
|
var scope_Values = [];
|
|
var scope_Locations = [];
|
|
var scope_HandleNumbers = [];
|
|
var scope_ActiveHandlesCount = 0;
|
|
var scope_Events = {};
|
|
// Document Nodes
|
|
var scope_Document = target.ownerDocument;
|
|
var scope_DocumentElement = options.documentElement || scope_Document.documentElement;
|
|
var scope_Body = scope_Document.body;
|
|
// For horizontal sliders in standard ltr documents,
|
|
// make .noUi-origin overflow to the left so the document doesn't scroll.
|
|
var scope_DirOffset = scope_Document.dir === "rtl" || options.ort === 1 ? 0 : 100;
|
|
// Creates a node, adds it to target, returns the new node.
|
|
function addNodeTo(addTarget, className) {
|
|
var div = scope_Document.createElement("div");
|
|
if (className) {
|
|
addClass(div, className);
|
|
}
|
|
addTarget.appendChild(div);
|
|
return div;
|
|
}
|
|
// Append a origin to the base
|
|
function addOrigin(base, handleNumber) {
|
|
var origin = addNodeTo(base, options.cssClasses.origin);
|
|
var handle = addNodeTo(origin, options.cssClasses.handle);
|
|
addNodeTo(handle, options.cssClasses.touchArea);
|
|
handle.setAttribute("data-handle", String(handleNumber));
|
|
if (options.keyboardSupport) {
|
|
// https://developer.mozilla.org/en-US/docs/Web/HTML/Global_attributes/tabindex
|
|
// 0 = focusable and reachable
|
|
handle.setAttribute("tabindex", "0");
|
|
handle.addEventListener("keydown", function (event) {
|
|
return eventKeydown(event, handleNumber);
|
|
});
|
|
}
|
|
if (options.handleAttributes !== undefined) {
|
|
var attributes_1 = options.handleAttributes[handleNumber];
|
|
Object.keys(attributes_1).forEach(function (attribute) {
|
|
handle.setAttribute(attribute, attributes_1[attribute]);
|
|
});
|
|
}
|
|
handle.setAttribute("role", "slider");
|
|
handle.setAttribute("aria-orientation", options.ort ? "vertical" : "horizontal");
|
|
if (handleNumber === 0) {
|
|
addClass(handle, options.cssClasses.handleLower);
|
|
}
|
|
else if (handleNumber === options.handles - 1) {
|
|
addClass(handle, options.cssClasses.handleUpper);
|
|
}
|
|
origin.handle = handle;
|
|
return origin;
|
|
}
|
|
// Insert nodes for connect elements
|
|
function addConnect(base, add) {
|
|
if (!add) {
|
|
return false;
|
|
}
|
|
return addNodeTo(base, options.cssClasses.connect);
|
|
}
|
|
// Add handles to the slider base.
|
|
function addElements(connectOptions, base) {
|
|
var connectBase = addNodeTo(base, options.cssClasses.connects);
|
|
scope_Handles = [];
|
|
scope_Connects = [];
|
|
scope_Connects.push(addConnect(connectBase, connectOptions[0]));
|
|
// [::::O====O====O====]
|
|
// connectOptions = [0, 1, 1, 1]
|
|
for (var i = 0; i < options.handles; i++) {
|
|
// Keep a list of all added handles.
|
|
scope_Handles.push(addOrigin(base, i));
|
|
scope_HandleNumbers[i] = i;
|
|
scope_Connects.push(addConnect(connectBase, connectOptions[i + 1]));
|
|
}
|
|
}
|
|
// Initialize a single slider.
|
|
function addSlider(addTarget) {
|
|
// Apply classes and data to the target.
|
|
addClass(addTarget, options.cssClasses.target);
|
|
if (options.dir === 0) {
|
|
addClass(addTarget, options.cssClasses.ltr);
|
|
}
|
|
else {
|
|
addClass(addTarget, options.cssClasses.rtl);
|
|
}
|
|
if (options.ort === 0) {
|
|
addClass(addTarget, options.cssClasses.horizontal);
|
|
}
|
|
else {
|
|
addClass(addTarget, options.cssClasses.vertical);
|
|
}
|
|
var textDirection = getComputedStyle(addTarget).direction;
|
|
if (textDirection === "rtl") {
|
|
addClass(addTarget, options.cssClasses.textDirectionRtl);
|
|
}
|
|
else {
|
|
addClass(addTarget, options.cssClasses.textDirectionLtr);
|
|
}
|
|
return addNodeTo(addTarget, options.cssClasses.base);
|
|
}
|
|
function addTooltip(handle, handleNumber) {
|
|
if (!options.tooltips || !options.tooltips[handleNumber]) {
|
|
return false;
|
|
}
|
|
return addNodeTo(handle.firstChild, options.cssClasses.tooltip);
|
|
}
|
|
function isSliderDisabled() {
|
|
return scope_Target.hasAttribute("disabled");
|
|
}
|
|
// Disable the slider dragging if any handle is disabled
|
|
function isHandleDisabled(handleNumber) {
|
|
var handleOrigin = scope_Handles[handleNumber];
|
|
return handleOrigin.hasAttribute("disabled");
|
|
}
|
|
function disable(handleNumber) {
|
|
if (handleNumber !== null && handleNumber !== undefined) {
|
|
scope_Handles[handleNumber].setAttribute("disabled", "");
|
|
scope_Handles[handleNumber].handle.removeAttribute("tabindex");
|
|
}
|
|
else {
|
|
scope_Target.setAttribute("disabled", "");
|
|
scope_Handles.forEach(function (handle) {
|
|
handle.handle.removeAttribute("tabindex");
|
|
});
|
|
}
|
|
}
|
|
function enable(handleNumber) {
|
|
if (handleNumber !== null && handleNumber !== undefined) {
|
|
scope_Handles[handleNumber].removeAttribute("disabled");
|
|
scope_Handles[handleNumber].handle.setAttribute("tabindex", "0");
|
|
}
|
|
else {
|
|
scope_Target.removeAttribute("disabled");
|
|
scope_Handles.forEach(function (handle) {
|
|
handle.removeAttribute("disabled");
|
|
handle.handle.setAttribute("tabindex", "0");
|
|
});
|
|
}
|
|
}
|
|
function removeTooltips() {
|
|
if (scope_Tooltips) {
|
|
removeEvent("update" + INTERNAL_EVENT_NS.tooltips);
|
|
scope_Tooltips.forEach(function (tooltip) {
|
|
if (tooltip) {
|
|
removeElement(tooltip);
|
|
}
|
|
});
|
|
scope_Tooltips = null;
|
|
}
|
|
}
|
|
// The tooltips option is a shorthand for using the 'update' event.
|
|
function tooltips() {
|
|
removeTooltips();
|
|
// Tooltips are added with options.tooltips in original order.
|
|
scope_Tooltips = scope_Handles.map(addTooltip);
|
|
bindEvent("update" + INTERNAL_EVENT_NS.tooltips, function (values, handleNumber, unencoded) {
|
|
if (!scope_Tooltips || !options.tooltips) {
|
|
return;
|
|
}
|
|
if (scope_Tooltips[handleNumber] === false) {
|
|
return;
|
|
}
|
|
var formattedValue = values[handleNumber];
|
|
if (options.tooltips[handleNumber] !== true) {
|
|
formattedValue = options.tooltips[handleNumber].to(unencoded[handleNumber]);
|
|
}
|
|
scope_Tooltips[handleNumber].innerHTML = formattedValue;
|
|
});
|
|
}
|
|
function aria() {
|
|
removeEvent("update" + INTERNAL_EVENT_NS.aria);
|
|
bindEvent("update" + INTERNAL_EVENT_NS.aria, function (values, handleNumber, unencoded, tap, positions) {
|
|
// Update Aria Values for all handles, as a change in one changes min and max values for the next.
|
|
scope_HandleNumbers.forEach(function (index) {
|
|
var handle = scope_Handles[index];
|
|
var min = checkHandlePosition(scope_Locations, index, 0, true, true, true);
|
|
var max = checkHandlePosition(scope_Locations, index, 100, true, true, true);
|
|
var now = positions[index];
|
|
// Formatted value for display
|
|
var text = String(options.ariaFormat.to(unencoded[index]));
|
|
// Map to slider range values
|
|
min = scope_Spectrum.fromStepping(min).toFixed(1);
|
|
max = scope_Spectrum.fromStepping(max).toFixed(1);
|
|
now = scope_Spectrum.fromStepping(now).toFixed(1);
|
|
handle.children[0].setAttribute("aria-valuemin", min);
|
|
handle.children[0].setAttribute("aria-valuemax", max);
|
|
handle.children[0].setAttribute("aria-valuenow", now);
|
|
handle.children[0].setAttribute("aria-valuetext", text);
|
|
});
|
|
});
|
|
}
|
|
function getGroup(pips) {
|
|
// Use the range.
|
|
if (pips.mode === PipsMode.Range || pips.mode === PipsMode.Steps) {
|
|
return scope_Spectrum.xVal;
|
|
}
|
|
if (pips.mode === PipsMode.Count) {
|
|
if (pips.values < 2) {
|
|
throw new Error("noUiSlider: 'values' (>= 2) required for mode 'count'.");
|
|
}
|
|
// Divide 0 - 100 in 'count' parts.
|
|
var interval = pips.values - 1;
|
|
var spread = 100 / interval;
|
|
var values = [];
|
|
// List these parts and have them handled as 'positions'.
|
|
while (interval--) {
|
|
values[interval] = interval * spread;
|
|
}
|
|
values.push(100);
|
|
return mapToRange(values, pips.stepped);
|
|
}
|
|
if (pips.mode === PipsMode.Positions) {
|
|
// Map all percentages to on-range values.
|
|
return mapToRange(pips.values, pips.stepped);
|
|
}
|
|
if (pips.mode === PipsMode.Values) {
|
|
// If the value must be stepped, it needs to be converted to a percentage first.
|
|
if (pips.stepped) {
|
|
return pips.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 pips.values;
|
|
}
|
|
return []; // pips.mode = never
|
|
}
|
|
function mapToRange(values, stepped) {
|
|
return values.map(function (value) {
|
|
return scope_Spectrum.fromStepping(stepped ? scope_Spectrum.getStep(value) : value);
|
|
});
|
|
}
|
|
function generateSpread(pips) {
|
|
function safeIncrement(value, increment) {
|
|
// Avoid floating point variance by dropping the smallest decimal places.
|
|
return Number((value + increment).toFixed(7));
|
|
}
|
|
var group = getGroup(pips);
|
|
var indexes = {};
|
|
var firstInRange = scope_Spectrum.xVal[0];
|
|
var lastInRange = scope_Spectrum.xVal[scope_Spectrum.xVal.length - 1];
|
|
var ignoreFirst = false;
|
|
var ignoreLast = false;
|
|
var prevPct = 0;
|
|
// Create a copy of the group, sort it and filter away all duplicates.
|
|
group = unique(group.slice().sort(function (a, b) {
|
|
return a - b;
|
|
}));
|
|
// Make sure the range starts with the first element.
|
|
if (group[0] !== firstInRange) {
|
|
group.unshift(firstInRange);
|
|
ignoreFirst = true;
|
|
}
|
|
// Likewise for the last one.
|
|
if (group[group.length - 1] !== lastInRange) {
|
|
group.push(lastInRange);
|
|
ignoreLast = true;
|
|
}
|
|
group.forEach(function (current, index) {
|
|
// Get the current step and the lower + upper positions.
|
|
var step;
|
|
var i;
|
|
var q;
|
|
var low = current;
|
|
var high = group[index + 1];
|
|
var newPct;
|
|
var pctDifference;
|
|
var pctPos;
|
|
var type;
|
|
var steps;
|
|
var realSteps;
|
|
var stepSize;
|
|
var isSteps = pips.mode === PipsMode.Steps;
|
|
// When using 'steps' mode, use the provided steps.
|
|
// Otherwise, we'll step on to the next subrange.
|
|
if (isSteps) {
|
|
step = scope_Spectrum.xNumSteps[index];
|
|
}
|
|
// Default to a 'full' step.
|
|
if (!step) {
|
|
step = high - low;
|
|
}
|
|
// If high is undefined we are at the last subrange. Make sure it iterates once (#1088)
|
|
if (high === undefined) {
|
|
high = low;
|
|
}
|
|
// Make sure step isn't 0, which would cause an infinite loop (#654)
|
|
step = Math.max(step, 0.0000001);
|
|
// Find all steps in the subrange.
|
|
for (i = low; i <= high; i = safeIncrement(i, step)) {
|
|
// Get the percentage value for the current step,
|
|
// calculate the size for the subrange.
|
|
newPct = scope_Spectrum.toStepping(i);
|
|
pctDifference = newPct - prevPct;
|
|
steps = pctDifference / (pips.density || 1);
|
|
realSteps = Math.round(steps);
|
|
// This ratio represents the amount of percentage-space a point indicates.
|
|
// For a density 1 the points/percentage = 1. For density 2, that percentage needs to be re-divided.
|
|
// 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)] = [scope_Spectrum.fromStepping(pctPos), 0];
|
|
}
|
|
// Determine the point type.
|
|
type = group.indexOf(i) > -1 ? PipsType.LargeValue : isSteps ? PipsType.SmallValue : PipsType.NoValue;
|
|
// Enforce the 'ignoreFirst' option by overwriting the type for 0.
|
|
if (!index && ignoreFirst && i !== high) {
|
|
type = 0;
|
|
}
|
|
if (!(i === high && ignoreLast)) {
|
|
// Mark the 'type' of this point. 0 = plain, 1 = real value, 2 = step value.
|
|
indexes[newPct.toFixed(5)] = [i, type];
|
|
}
|
|
// Update the percentage count.
|
|
prevPct = newPct;
|
|
}
|
|
});
|
|
return indexes;
|
|
}
|
|
function addMarking(spread, filterFunc, formatter) {
|
|
var _a, _b;
|
|
var element = scope_Document.createElement("div");
|
|
var valueSizeClasses = (_a = {},
|
|
_a[PipsType.None] = "",
|
|
_a[PipsType.NoValue] = options.cssClasses.valueNormal,
|
|
_a[PipsType.LargeValue] = options.cssClasses.valueLarge,
|
|
_a[PipsType.SmallValue] = options.cssClasses.valueSub,
|
|
_a);
|
|
var markerSizeClasses = (_b = {},
|
|
_b[PipsType.None] = "",
|
|
_b[PipsType.NoValue] = options.cssClasses.markerNormal,
|
|
_b[PipsType.LargeValue] = options.cssClasses.markerLarge,
|
|
_b[PipsType.SmallValue] = options.cssClasses.markerSub,
|
|
_b);
|
|
var valueOrientationClasses = [options.cssClasses.valueHorizontal, options.cssClasses.valueVertical];
|
|
var markerOrientationClasses = [options.cssClasses.markerHorizontal, options.cssClasses.markerVertical];
|
|
addClass(element, options.cssClasses.pips);
|
|
addClass(element, options.ort === 0 ? options.cssClasses.pipsHorizontal : options.cssClasses.pipsVertical);
|
|
function getClasses(type, source) {
|
|
var a = source === options.cssClasses.value;
|
|
var orientationClasses = a ? valueOrientationClasses : markerOrientationClasses;
|
|
var sizeClasses = a ? valueSizeClasses : markerSizeClasses;
|
|
return source + " " + orientationClasses[options.ort] + " " + sizeClasses[type];
|
|
}
|
|
function addSpread(offset, value, type) {
|
|
// Apply the filter function, if it is set.
|
|
type = filterFunc ? filterFunc(value, type) : type;
|
|
if (type === PipsType.None) {
|
|
return;
|
|
}
|
|
// Add a marker for every point
|
|
var node = addNodeTo(element, false);
|
|
node.className = getClasses(type, options.cssClasses.marker);
|
|
node.style[options.style] = offset + "%";
|
|
// Values are only appended for points marked '1' or '2'.
|
|
if (type > PipsType.NoValue) {
|
|
node = addNodeTo(element, false);
|
|
node.className = getClasses(type, options.cssClasses.value);
|
|
node.setAttribute("data-value", String(value));
|
|
node.style[options.style] = offset + "%";
|
|
node.innerHTML = String(formatter.to(value));
|
|
}
|
|
}
|
|
// Append all points.
|
|
Object.keys(spread).forEach(function (offset) {
|
|
addSpread(offset, spread[offset][0], spread[offset][1]);
|
|
});
|
|
return element;
|
|
}
|
|
function removePips() {
|
|
if (scope_Pips) {
|
|
removeElement(scope_Pips);
|
|
scope_Pips = null;
|
|
}
|
|
}
|
|
function pips(pips) {
|
|
// Fix #669
|
|
removePips();
|
|
var spread = generateSpread(pips);
|
|
var filter = pips.filter;
|
|
var format = pips.format || {
|
|
to: function (value) {
|
|
return String(Math.round(value));
|
|
},
|
|
};
|
|
scope_Pips = scope_Target.appendChild(addMarking(spread, filter, format));
|
|
return scope_Pips;
|
|
}
|
|
// Shorthand for base dimensions.
|
|
function baseSize() {
|
|
var rect = scope_Base.getBoundingClientRect();
|
|
var alt = ("offset" + ["Width", "Height"][options.ort]);
|
|
return options.ort === 0 ? rect.width || scope_Base[alt] : rect.height || scope_Base[alt];
|
|
}
|
|
// Handler for attaching events trough a proxy.
|
|
function attachEvent(events, element, callback, data) {
|
|
// This function can be used to 'filter' events to the slider.
|
|
// element is a node, not a nodeList
|
|
var method = function (event) {
|
|
var e = fixEvent(event, data.pageOffset, data.target || element);
|
|
// fixEvent returns false if this event has a different target
|
|
// when handling (multi-) touch events;
|
|
if (!e) {
|
|
return false;
|
|
}
|
|
// doNotReject is passed by all end events to make sure released touches
|
|
// are not rejected, leaving the slider "stuck" to the cursor;
|
|
if (isSliderDisabled() && !data.doNotReject) {
|
|
return false;
|
|
}
|
|
// Stop if an active 'tap' transition is taking place.
|
|
if (hasClass(scope_Target, options.cssClasses.tap) && !data.doNotReject) {
|
|
return false;
|
|
}
|
|
// Ignore right or middle clicks on start #454
|
|
if (events === actions.start && e.buttons !== undefined && e.buttons > 1) {
|
|
return false;
|
|
}
|
|
// Ignore right or middle clicks on start #454
|
|
if (data.hover && e.buttons) {
|
|
return false;
|
|
}
|
|
// 'supportsPassive' is only true if a browser also supports touch-action: none in CSS.
|
|
// iOS safari does not, so it doesn't get to benefit from passive scrolling. iOS does support
|
|
// touch-action: manipulation, but that allows panning, which breaks
|
|
// sliders after zooming/on non-responsive pages.
|
|
// See: https://bugs.webkit.org/show_bug.cgi?id=133112
|
|
if (!supportsPassive) {
|
|
e.preventDefault();
|
|
}
|
|
e.calcPoint = e.points[options.ort];
|
|
// Call the event handler with the event [ and additional data ].
|
|
callback(e, data);
|
|
return;
|
|
};
|
|
var methods = [];
|
|
// Bind a closure on the target for every event type.
|
|
events.split(" ").forEach(function (eventName) {
|
|
element.addEventListener(eventName, method, supportsPassive ? { passive: true } : false);
|
|
methods.push([eventName, method]);
|
|
});
|
|
return methods;
|
|
}
|
|
// Provide a clean event with standardized offset values.
|
|
function fixEvent(e, pageOffset, eventTarget) {
|
|
// Filter the event to register the type, which can be
|
|
// touch, mouse or pointer. Offset changes need to be
|
|
// made on an event specific basis.
|
|
var touch = e.type.indexOf("touch") === 0;
|
|
var mouse = e.type.indexOf("mouse") === 0;
|
|
var pointer = e.type.indexOf("pointer") === 0;
|
|
var x = 0;
|
|
var y = 0;
|
|
// IE10 implemented pointer events with a prefix;
|
|
if (e.type.indexOf("MSPointer") === 0) {
|
|
pointer = true;
|
|
}
|
|
// Erroneous events seem to be passed in occasionally on iOS/iPadOS after user finishes interacting with
|
|
// the slider. They appear to be of type MouseEvent, yet they don't have usual properties set. Ignore
|
|
// events that have no touches or buttons associated with them. (#1057, #1079, #1095)
|
|
if (e.type === "mousedown" && !e.buttons && !e.touches) {
|
|
return false;
|
|
}
|
|
// The only thing one handle should be concerned about is the touches that originated on top of it.
|
|
if (touch) {
|
|
// Returns true if a touch originated on the target.
|
|
var isTouchOnTarget = function (checkTouch) {
|
|
var target = checkTouch.target;
|
|
return (target === eventTarget ||
|
|
eventTarget.contains(target) ||
|
|
(e.composed && e.composedPath().shift() === eventTarget));
|
|
};
|
|
// In the case of touchstart events, we need to make sure there is still no more than one
|
|
// touch on the target so we look amongst all touches.
|
|
if (e.type === "touchstart") {
|
|
var targetTouches = Array.prototype.filter.call(e.touches, isTouchOnTarget);
|
|
// Do not support more than one touch per handle.
|
|
if (targetTouches.length > 1) {
|
|
return false;
|
|
}
|
|
x = targetTouches[0].pageX;
|
|
y = targetTouches[0].pageY;
|
|
}
|
|
else {
|
|
// In the other cases, find on changedTouches is enough.
|
|
var targetTouch = Array.prototype.find.call(e.changedTouches, isTouchOnTarget);
|
|
// Cancel if the target touch has not moved.
|
|
if (!targetTouch) {
|
|
return false;
|
|
}
|
|
x = targetTouch.pageX;
|
|
y = targetTouch.pageY;
|
|
}
|
|
}
|
|
pageOffset = pageOffset || getPageOffset(scope_Document);
|
|
if (mouse || pointer) {
|
|
x = e.clientX + pageOffset.x;
|
|
y = e.clientY + pageOffset.y;
|
|
}
|
|
e.pageOffset = pageOffset;
|
|
e.points = [x, y];
|
|
e.cursor = mouse || pointer; // Fix #435
|
|
return e;
|
|
}
|
|
// Translate a coordinate in the document to a percentage on the slider
|
|
function calcPointToPercentage(calcPoint) {
|
|
var location = calcPoint - offset(scope_Base, options.ort);
|
|
var proposal = (location * 100) / baseSize();
|
|
// Clamp proposal between 0% and 100%
|
|
// Out-of-bound coordinates may occur when .noUi-base pseudo-elements
|
|
// are used (e.g. contained handles feature)
|
|
proposal = limit(proposal);
|
|
return options.dir ? 100 - proposal : proposal;
|
|
}
|
|
// Find handle closest to a certain percentage on the slider
|
|
function getClosestHandle(clickedPosition) {
|
|
var smallestDifference = 100;
|
|
var handleNumber = false;
|
|
scope_Handles.forEach(function (handle, index) {
|
|
// Disabled handles are ignored
|
|
if (isHandleDisabled(index)) {
|
|
return;
|
|
}
|
|
var handlePosition = scope_Locations[index];
|
|
var differenceWithThisHandle = Math.abs(handlePosition - clickedPosition);
|
|
// Initial state
|
|
var clickAtEdge = differenceWithThisHandle === 100 && smallestDifference === 100;
|
|
// Difference with this handle is smaller than the previously checked handle
|
|
var isCloser = differenceWithThisHandle < smallestDifference;
|
|
var isCloserAfter = differenceWithThisHandle <= smallestDifference && clickedPosition > handlePosition;
|
|
if (isCloser || isCloserAfter || clickAtEdge) {
|
|
handleNumber = index;
|
|
smallestDifference = differenceWithThisHandle;
|
|
}
|
|
});
|
|
return 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) {
|
|
eventEnd(event, data);
|
|
}
|
|
}
|
|
// Handle movement on document for handle and range drag.
|
|
function eventMove(event, data) {
|
|
// Fix #498
|
|
// Check value of .buttons in 'start' to work around a bug in IE10 mobile (data.buttonsProperty).
|
|
// https://connect.microsoft.com/IE/feedback/details/927005/mobile-ie10-windows-phone-buttons-property-of-pointermove-event-always-zero
|
|
// IE9 has .buttons and .which zero on mousemove.
|
|
// Firefox breaks the spec MDN defines.
|
|
if (navigator.appVersion.indexOf("MSIE 9") === -1 && event.buttons === 0 && data.buttonsProperty !== 0) {
|
|
return eventEnd(event, data);
|
|
}
|
|
// Check if we are moving up or down
|
|
var movement = (options.dir ? -1 : 1) * (event.calcPoint - data.startCalcPoint);
|
|
// Convert the movement into a percentage of the slider width/height
|
|
var proposal = (movement * 100) / data.baseSize;
|
|
moveHandles(movement > 0, proposal, data.locations, data.handleNumbers, data.connect);
|
|
}
|
|
// Unbind move events on document, call callbacks.
|
|
function eventEnd(event, data) {
|
|
// The handle is no longer active, so remove the class.
|
|
if (data.handle) {
|
|
removeClass(data.handle, options.cssClasses.active);
|
|
scope_ActiveHandlesCount -= 1;
|
|
}
|
|
// Unbind the move and end events, which are added on 'start'.
|
|
data.listeners.forEach(function (c) {
|
|
scope_DocumentElement.removeEventListener(c[0], c[1]);
|
|
});
|
|
if (scope_ActiveHandlesCount === 0) {
|
|
// Remove dragging class.
|
|
removeClass(scope_Target, options.cssClasses.drag);
|
|
setZindex();
|
|
// Remove cursor styles and text-selection events bound to the body.
|
|
if (event.cursor) {
|
|
scope_Body.style.cursor = "";
|
|
scope_Body.removeEventListener("selectstart", preventDefault);
|
|
}
|
|
}
|
|
if (options.events.smoothSteps) {
|
|
data.handleNumbers.forEach(function (handleNumber) {
|
|
setHandle(handleNumber, scope_Locations[handleNumber], true, true, false, false);
|
|
});
|
|
data.handleNumbers.forEach(function (handleNumber) {
|
|
fireEvent("update", handleNumber);
|
|
});
|
|
}
|
|
data.handleNumbers.forEach(function (handleNumber) {
|
|
fireEvent("change", handleNumber);
|
|
fireEvent("set", handleNumber);
|
|
fireEvent("end", handleNumber);
|
|
});
|
|
}
|
|
// Bind move events on document.
|
|
function eventStart(event, data) {
|
|
// Ignore event if any handle is disabled
|
|
if (data.handleNumbers.some(isHandleDisabled)) {
|
|
return;
|
|
}
|
|
var handle;
|
|
if (data.handleNumbers.length === 1) {
|
|
var handleOrigin = scope_Handles[data.handleNumbers[0]];
|
|
handle = handleOrigin.children[0];
|
|
scope_ActiveHandlesCount += 1;
|
|
// Mark the handle as 'active' so it can be styled.
|
|
addClass(handle, options.cssClasses.active);
|
|
}
|
|
// A drag should never propagate up to the 'tap' event.
|
|
event.stopPropagation();
|
|
// Record the event listeners.
|
|
var listeners = [];
|
|
// Attach the move and end events.
|
|
var moveEvent = attachEvent(actions.move, scope_DocumentElement, eventMove, {
|
|
// The event target has changed so we need to propagate the original one so that we keep
|
|
// relying on it to extract target touches.
|
|
target: event.target,
|
|
handle: handle,
|
|
connect: data.connect,
|
|
listeners: listeners,
|
|
startCalcPoint: event.calcPoint,
|
|
baseSize: baseSize(),
|
|
pageOffset: event.pageOffset,
|
|
handleNumbers: data.handleNumbers,
|
|
buttonsProperty: event.buttons,
|
|
locations: scope_Locations.slice(),
|
|
});
|
|
var endEvent = attachEvent(actions.end, scope_DocumentElement, eventEnd, {
|
|
target: event.target,
|
|
handle: handle,
|
|
listeners: listeners,
|
|
doNotReject: true,
|
|
handleNumbers: data.handleNumbers,
|
|
});
|
|
var outEvent = attachEvent("mouseout", scope_DocumentElement, documentLeave, {
|
|
target: event.target,
|
|
handle: handle,
|
|
listeners: listeners,
|
|
doNotReject: true,
|
|
handleNumbers: data.handleNumbers,
|
|
});
|
|
// We want to make sure we pushed the listeners in the listener list rather than creating
|
|
// a new one as it has already been passed to the event handlers.
|
|
listeners.push.apply(listeners, 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.
|
|
scope_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);
|
|
}
|
|
// Prevent text selection when dragging the handles.
|
|
// In noUiSlider <= 9.2.0, this was handled by calling preventDefault on mouse/touch start/move,
|
|
// which is scroll blocking. The selectstart event is supported by FireFox starting from version 52,
|
|
// meaning the only holdout is iOS Safari. This doesn't matter: text selection isn't triggered there.
|
|
// The 'cursor' flag is false.
|
|
// See: http://caniuse.com/#search=selectstart
|
|
scope_Body.addEventListener("selectstart", preventDefault, false);
|
|
}
|
|
data.handleNumbers.forEach(function (handleNumber) {
|
|
fireEvent("start", handleNumber);
|
|
});
|
|
}
|
|
// Move closest handle to tapped location.
|
|
function eventTap(event) {
|
|
// The tap event shouldn't propagate up
|
|
event.stopPropagation();
|
|
var proposal = calcPointToPercentage(event.calcPoint);
|
|
var handleNumber = getClosestHandle(proposal);
|
|
// Tackle the case that all handles are 'disabled'.
|
|
if (handleNumber === false) {
|
|
return;
|
|
}
|
|
// Flag the slider as it is now in a transitional state.
|
|
// Transition takes a configurable amount of ms (default 300). Re-enable the slider after that.
|
|
if (!options.events.snap) {
|
|
addClassFor(scope_Target, options.cssClasses.tap, options.animationDuration);
|
|
}
|
|
setHandle(handleNumber, proposal, true, true);
|
|
setZindex();
|
|
fireEvent("slide", handleNumber, true);
|
|
fireEvent("update", handleNumber, true);
|
|
if (!options.events.snap) {
|
|
fireEvent("change", handleNumber, true);
|
|
fireEvent("set", handleNumber, true);
|
|
}
|
|
else {
|
|
eventStart(event, { handleNumbers: [handleNumber] });
|
|
}
|
|
}
|
|
// Fires a 'hover' event for a hovered mouse/pen position.
|
|
function eventHover(event) {
|
|
var proposal = calcPointToPercentage(event.calcPoint);
|
|
var to = scope_Spectrum.getStep(proposal);
|
|
var value = scope_Spectrum.fromStepping(to);
|
|
Object.keys(scope_Events).forEach(function (targetEvent) {
|
|
if ("hover" === targetEvent.split(".")[0]) {
|
|
scope_Events[targetEvent].forEach(function (callback) {
|
|
callback.call(scope_Self, value);
|
|
});
|
|
}
|
|
});
|
|
}
|
|
// Handles keydown on focused handles
|
|
// Don't move the document when pressing arrow keys on focused handles
|
|
function eventKeydown(event, handleNumber) {
|
|
if (isSliderDisabled() || isHandleDisabled(handleNumber)) {
|
|
return false;
|
|
}
|
|
var horizontalKeys = ["Left", "Right"];
|
|
var verticalKeys = ["Down", "Up"];
|
|
var largeStepKeys = ["PageDown", "PageUp"];
|
|
var edgeKeys = ["Home", "End"];
|
|
if (options.dir && !options.ort) {
|
|
// On an right-to-left slider, the left and right keys act inverted
|
|
horizontalKeys.reverse();
|
|
}
|
|
else if (options.ort && !options.dir) {
|
|
// On a top-to-bottom slider, the up and down keys act inverted
|
|
verticalKeys.reverse();
|
|
largeStepKeys.reverse();
|
|
}
|
|
// Strip "Arrow" for IE compatibility. https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/key
|
|
var key = event.key.replace("Arrow", "");
|
|
var isLargeDown = key === largeStepKeys[0];
|
|
var isLargeUp = key === largeStepKeys[1];
|
|
var isDown = key === verticalKeys[0] || key === horizontalKeys[0] || isLargeDown;
|
|
var isUp = key === verticalKeys[1] || key === horizontalKeys[1] || isLargeUp;
|
|
var isMin = key === edgeKeys[0];
|
|
var isMax = key === edgeKeys[1];
|
|
if (!isDown && !isUp && !isMin && !isMax) {
|
|
return true;
|
|
}
|
|
event.preventDefault();
|
|
var to;
|
|
if (isUp || isDown) {
|
|
var direction = isDown ? 0 : 1;
|
|
var steps = getNextStepsForHandle(handleNumber);
|
|
var step = steps[direction];
|
|
// At the edge of a slider, do nothing
|
|
if (step === null) {
|
|
return false;
|
|
}
|
|
// No step set, use the default of 10% of the sub-range
|
|
if (step === false) {
|
|
step = scope_Spectrum.getDefaultStep(scope_Locations[handleNumber], isDown, options.keyboardDefaultStep);
|
|
}
|
|
if (isLargeUp || isLargeDown) {
|
|
step *= options.keyboardPageMultiplier;
|
|
}
|
|
else {
|
|
step *= options.keyboardMultiplier;
|
|
}
|
|
// Step over zero-length ranges (#948);
|
|
step = Math.max(step, 0.0000001);
|
|
// Decrement for down steps
|
|
step = (isDown ? -1 : 1) * step;
|
|
to = scope_Values[handleNumber] + step;
|
|
}
|
|
else if (isMax) {
|
|
// End key
|
|
to = options.spectrum.xVal[options.spectrum.xVal.length - 1];
|
|
}
|
|
else {
|
|
// Home key
|
|
to = options.spectrum.xVal[0];
|
|
}
|
|
setHandle(handleNumber, scope_Spectrum.toStepping(to), true, true);
|
|
fireEvent("slide", handleNumber);
|
|
fireEvent("update", handleNumber);
|
|
fireEvent("change", handleNumber);
|
|
fireEvent("set", handleNumber);
|
|
return false;
|
|
}
|
|
// Attach events to several slider parts.
|
|
function bindSliderEvents(behaviour) {
|
|
// Attach the standard drag event to the handles.
|
|
if (!behaviour.fixed) {
|
|
scope_Handles.forEach(function (handle, index) {
|
|
// These events are only bound to the visual handle
|
|
// element, not the 'real' origin element.
|
|
attachEvent(actions.start, handle.children[0], eventStart, {
|
|
handleNumbers: [index],
|
|
});
|
|
});
|
|
}
|
|
// Attach the tap event to the slider base.
|
|
if (behaviour.tap) {
|
|
attachEvent(actions.start, scope_Base, eventTap, {});
|
|
}
|
|
// Fire hover events
|
|
if (behaviour.hover) {
|
|
attachEvent(actions.move, scope_Base, eventHover, {
|
|
hover: true,
|
|
});
|
|
}
|
|
// Make the range draggable.
|
|
if (behaviour.drag) {
|
|
scope_Connects.forEach(function (connect, index) {
|
|
if (connect === false || index === 0 || index === scope_Connects.length - 1) {
|
|
return;
|
|
}
|
|
var handleBefore = scope_Handles[index - 1];
|
|
var handleAfter = scope_Handles[index];
|
|
var eventHolders = [connect];
|
|
var handlesToDrag = [handleBefore, handleAfter];
|
|
var handleNumbersToDrag = [index - 1, index];
|
|
addClass(connect, options.cssClasses.draggable);
|
|
// When the range is fixed, the entire range can
|
|
// be dragged by the handles. The handle in the first
|
|
// origin will propagate the start event upward,
|
|
// but it needs to be bound manually on the other.
|
|
if (behaviour.fixed) {
|
|
eventHolders.push(handleBefore.children[0]);
|
|
eventHolders.push(handleAfter.children[0]);
|
|
}
|
|
if (behaviour.dragAll) {
|
|
handlesToDrag = scope_Handles;
|
|
handleNumbersToDrag = scope_HandleNumbers;
|
|
}
|
|
eventHolders.forEach(function (eventHolder) {
|
|
attachEvent(actions.start, eventHolder, eventStart, {
|
|
handles: handlesToDrag,
|
|
handleNumbers: handleNumbersToDrag,
|
|
connect: connect,
|
|
});
|
|
});
|
|
});
|
|
}
|
|
}
|
|
// 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);
|
|
});
|
|
}
|
|
}
|
|
function isInternalNamespace(namespace) {
|
|
return namespace === INTERNAL_EVENT_NS.aria || namespace === INTERNAL_EVENT_NS.tooltips;
|
|
}
|
|
// Undo attachment of event
|
|
function removeEvent(namespacedEvent) {
|
|
var event = namespacedEvent && namespacedEvent.split(".")[0];
|
|
var namespace = event ? namespacedEvent.substring(event.length) : namespacedEvent;
|
|
Object.keys(scope_Events).forEach(function (bind) {
|
|
var tEvent = bind.split(".")[0];
|
|
var tNamespace = bind.substring(tEvent.length);
|
|
if ((!event || event === tEvent) && (!namespace || namespace === tNamespace)) {
|
|
// only delete protected internal event if intentional
|
|
if (!isInternalNamespace(tNamespace) || namespace === tNamespace) {
|
|
delete scope_Events[bind];
|
|
}
|
|
}
|
|
});
|
|
}
|
|
// External event handling
|
|
function fireEvent(eventName, handleNumber, tap) {
|
|
Object.keys(scope_Events).forEach(function (targetEvent) {
|
|
var eventType = targetEvent.split(".")[0];
|
|
if (eventName === eventType) {
|
|
scope_Events[targetEvent].forEach(function (callback) {
|
|
callback.call(
|
|
// Use the slider public API as the scope ('this')
|
|
scope_Self,
|
|
// Return values as array, so arg_1[arg_2] is always valid.
|
|
scope_Values.map(options.format.to),
|
|
// Handle index, 0 or 1
|
|
handleNumber,
|
|
// Un-formatted slider values
|
|
scope_Values.slice(),
|
|
// Event is fired by tap, true or false
|
|
tap || false,
|
|
// Left offset of the handle, in relation to the slider
|
|
scope_Locations.slice(),
|
|
// add the slider public API to an accessible parameter when this is unavailable
|
|
scope_Self);
|
|
});
|
|
}
|
|
});
|
|
}
|
|
// Split out the handle positioning logic so the Move event can use it, too
|
|
function checkHandlePosition(reference, handleNumber, to, lookBackward, lookForward, getValue, smoothSteps) {
|
|
var distance;
|
|
// 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 && !options.events.unconstrained) {
|
|
if (lookBackward && handleNumber > 0) {
|
|
distance = scope_Spectrum.getAbsoluteDistance(reference[handleNumber - 1], options.margin, false);
|
|
to = Math.max(to, distance);
|
|
}
|
|
if (lookForward && handleNumber < scope_Handles.length - 1) {
|
|
distance = scope_Spectrum.getAbsoluteDistance(reference[handleNumber + 1], options.margin, true);
|
|
to = Math.min(to, distance);
|
|
}
|
|
}
|
|
// The limit option has the opposite effect, limiting handles to a
|
|
// maximum distance from another. Limit must be > 0, as otherwise
|
|
// handles would be unmovable.
|
|
if (scope_Handles.length > 1 && options.limit) {
|
|
if (lookBackward && handleNumber > 0) {
|
|
distance = scope_Spectrum.getAbsoluteDistance(reference[handleNumber - 1], options.limit, false);
|
|
to = Math.min(to, distance);
|
|
}
|
|
if (lookForward && handleNumber < scope_Handles.length - 1) {
|
|
distance = scope_Spectrum.getAbsoluteDistance(reference[handleNumber + 1], options.limit, true);
|
|
to = Math.max(to, distance);
|
|
}
|
|
}
|
|
// The padding option keeps the handles a certain distance from the
|
|
// edges of the slider. Padding must be > 0.
|
|
if (options.padding) {
|
|
if (handleNumber === 0) {
|
|
distance = scope_Spectrum.getAbsoluteDistance(0, options.padding[0], false);
|
|
to = Math.max(to, distance);
|
|
}
|
|
if (handleNumber === scope_Handles.length - 1) {
|
|
distance = scope_Spectrum.getAbsoluteDistance(100, options.padding[1], true);
|
|
to = Math.min(to, distance);
|
|
}
|
|
}
|
|
if (!smoothSteps) {
|
|
to = scope_Spectrum.getStep(to);
|
|
}
|
|
// Limit percentage to the 0 - 100 range
|
|
to = limit(to);
|
|
// Return false if handle can't move
|
|
if (to === reference[handleNumber] && !getValue) {
|
|
return false;
|
|
}
|
|
return to;
|
|
}
|
|
// Uses slider orientation to create CSS rules. a = base value;
|
|
function inRuleOrder(v, a) {
|
|
var o = options.ort;
|
|
return (o ? a : v) + ", " + (o ? v : a);
|
|
}
|
|
// Moves handle(s) by a percentage
|
|
// (bool, % to move, [% where handle started, ...], [index in scope_Handles, ...])
|
|
function moveHandles(upward, proposal, locations, handleNumbers, connect) {
|
|
var proposals = locations.slice();
|
|
// Store first handle now, so we still have it in case handleNumbers is reversed
|
|
var firstHandle = handleNumbers[0];
|
|
var smoothSteps = options.events.smoothSteps;
|
|
var b = [!upward, upward];
|
|
var f = [upward, !upward];
|
|
// Copy handleNumbers so we don't change the dataset
|
|
handleNumbers = handleNumbers.slice();
|
|
// Check to see which handle is 'leading'.
|
|
// If that one can't move the second can't either.
|
|
if (upward) {
|
|
handleNumbers.reverse();
|
|
}
|
|
// Step 1: get the maximum percentage that any of the handles can move
|
|
if (handleNumbers.length > 1) {
|
|
handleNumbers.forEach(function (handleNumber, o) {
|
|
var to = checkHandlePosition(proposals, handleNumber, proposals[handleNumber] + proposal, b[o], f[o], false, smoothSteps);
|
|
// Stop if one of the handles can't move.
|
|
if (to === false) {
|
|
proposal = 0;
|
|
}
|
|
else {
|
|
proposal = to - proposals[handleNumber];
|
|
proposals[handleNumber] = to;
|
|
}
|
|
});
|
|
}
|
|
// If using one handle, check backward AND forward
|
|
else {
|
|
b = f = [true];
|
|
}
|
|
var state = false;
|
|
// Step 2: Try to set the handles with the found percentage
|
|
handleNumbers.forEach(function (handleNumber, o) {
|
|
state =
|
|
setHandle(handleNumber, locations[handleNumber] + proposal, b[o], f[o], false, smoothSteps) || state;
|
|
});
|
|
// Step 3: If a handle moved, fire events
|
|
if (state) {
|
|
handleNumbers.forEach(function (handleNumber) {
|
|
fireEvent("update", handleNumber);
|
|
fireEvent("slide", handleNumber);
|
|
});
|
|
// If target is a connect, then fire drag event
|
|
if (connect != undefined) {
|
|
fireEvent("drag", firstHandle);
|
|
}
|
|
}
|
|
}
|
|
// Takes a base value and an offset. This offset is used for the connect bar size.
|
|
// In the initial design for this feature, the origin element was 1% wide.
|
|
// Unfortunately, a rounding bug in Chrome makes it impossible to implement this feature
|
|
// in this manner: https://bugs.chromium.org/p/chromium/issues/detail?id=798223
|
|
function transformDirection(a, b) {
|
|
return options.dir ? 100 - a - b : a;
|
|
}
|
|
// Updates scope_Locations and scope_Values, updates visual state
|
|
function updateHandlePosition(handleNumber, to) {
|
|
// Update locations.
|
|
scope_Locations[handleNumber] = to;
|
|
// Convert the value to the slider stepping/range.
|
|
scope_Values[handleNumber] = scope_Spectrum.fromStepping(to);
|
|
var translation = transformDirection(to, 0) - scope_DirOffset;
|
|
var translateRule = "translate(" + inRuleOrder(translation + "%", "0") + ")";
|
|
scope_Handles[handleNumber].style[options.transformRule] = translateRule;
|
|
updateConnect(handleNumber);
|
|
updateConnect(handleNumber + 1);
|
|
}
|
|
// Handles before the slider middle are stacked later = higher,
|
|
// Handles after the middle later is lower
|
|
// [[7] [8] .......... | .......... [5] [4]
|
|
function setZindex() {
|
|
scope_HandleNumbers.forEach(function (handleNumber) {
|
|
var dir = scope_Locations[handleNumber] > 50 ? -1 : 1;
|
|
var zIndex = 3 + (scope_Handles.length + dir * handleNumber);
|
|
scope_Handles[handleNumber].style.zIndex = String(zIndex);
|
|
});
|
|
}
|
|
// Test suggested values and apply margin, step.
|
|
// if exactInput is true, don't run checkHandlePosition, then the handle can be placed in between steps (#436)
|
|
function setHandle(handleNumber, to, lookBackward, lookForward, exactInput, smoothSteps) {
|
|
if (!exactInput) {
|
|
to = checkHandlePosition(scope_Locations, handleNumber, to, lookBackward, lookForward, false, smoothSteps);
|
|
}
|
|
if (to === false) {
|
|
return false;
|
|
}
|
|
updateHandlePosition(handleNumber, to);
|
|
return true;
|
|
}
|
|
// Updates style attribute for connect nodes
|
|
function updateConnect(index) {
|
|
// Skip connects set to false
|
|
if (!scope_Connects[index]) {
|
|
return;
|
|
}
|
|
var l = 0;
|
|
var h = 100;
|
|
if (index !== 0) {
|
|
l = scope_Locations[index - 1];
|
|
}
|
|
if (index !== scope_Connects.length - 1) {
|
|
h = scope_Locations[index];
|
|
}
|
|
// We use two rules:
|
|
// 'translate' to change the left/top offset;
|
|
// 'scale' to change the width of the element;
|
|
// As the element has a width of 100%, a translation of 100% is equal to 100% of the parent (.noUi-base)
|
|
var connectWidth = h - l;
|
|
var translateRule = "translate(" + inRuleOrder(transformDirection(l, connectWidth) + "%", "0") + ")";
|
|
var scaleRule = "scale(" + inRuleOrder(connectWidth / 100, "1") + ")";
|
|
scope_Connects[index].style[options.transformRule] =
|
|
translateRule + " " + scaleRule;
|
|
}
|
|
// Parses value passed to .set method. Returns current value if not parse-able.
|
|
function resolveToValue(to, handleNumber) {
|
|
// Setting with null indicates an 'ignore'.
|
|
// Inputting 'false' is invalid.
|
|
if (to === null || to === false || to === undefined) {
|
|
return scope_Locations[handleNumber];
|
|
}
|
|
// If a formatted number was passed, attempt to decode it.
|
|
if (typeof to === "number") {
|
|
to = String(to);
|
|
}
|
|
to = options.format.from(to);
|
|
if (to !== false) {
|
|
to = scope_Spectrum.toStepping(to);
|
|
}
|
|
// If parsing the number failed, use the current value.
|
|
if (to === false || isNaN(to)) {
|
|
return scope_Locations[handleNumber];
|
|
}
|
|
return to;
|
|
}
|
|
// Set the slider value.
|
|
function valueSet(input, fireSetEvent, exactInput) {
|
|
var values = asArray(input);
|
|
var isInit = scope_Locations[0] === undefined;
|
|
// Event fires by default
|
|
fireSetEvent = fireSetEvent === undefined ? true : fireSetEvent;
|
|
// Animation is optional.
|
|
// Make sure the initial values were set before using animated placement.
|
|
if (options.animate && !isInit) {
|
|
addClassFor(scope_Target, options.cssClasses.tap, options.animationDuration);
|
|
}
|
|
// First pass, without lookAhead but with lookBackward. Values are set from left to right.
|
|
scope_HandleNumbers.forEach(function (handleNumber) {
|
|
setHandle(handleNumber, resolveToValue(values[handleNumber], handleNumber), true, false, exactInput);
|
|
});
|
|
var i = scope_HandleNumbers.length === 1 ? 0 : 1;
|
|
// Spread handles evenly across the slider if the range has no size (min=max)
|
|
if (isInit && scope_Spectrum.hasNoSize()) {
|
|
exactInput = true;
|
|
scope_Locations[0] = 0;
|
|
if (scope_HandleNumbers.length > 1) {
|
|
var space_1 = 100 / (scope_HandleNumbers.length - 1);
|
|
scope_HandleNumbers.forEach(function (handleNumber) {
|
|
scope_Locations[handleNumber] = handleNumber * space_1;
|
|
});
|
|
}
|
|
}
|
|
// Secondary passes. Now that all base values are set, apply constraints.
|
|
// Iterate all handles to ensure constraints are applied for the entire slider (Issue #1009)
|
|
for (; i < scope_HandleNumbers.length; ++i) {
|
|
scope_HandleNumbers.forEach(function (handleNumber) {
|
|
setHandle(handleNumber, scope_Locations[handleNumber], true, true, exactInput);
|
|
});
|
|
}
|
|
setZindex();
|
|
scope_HandleNumbers.forEach(function (handleNumber) {
|
|
fireEvent("update", handleNumber);
|
|
// Fire the event only for handles that received a new value, as per #579
|
|
if (values[handleNumber] !== null && fireSetEvent) {
|
|
fireEvent("set", handleNumber);
|
|
}
|
|
});
|
|
}
|
|
// Reset slider to initial values
|
|
function valueReset(fireSetEvent) {
|
|
valueSet(options.start, fireSetEvent);
|
|
}
|
|
// Set value for a single handle
|
|
function valueSetHandle(handleNumber, value, fireSetEvent, exactInput) {
|
|
// Ensure numeric input
|
|
handleNumber = Number(handleNumber);
|
|
if (!(handleNumber >= 0 && handleNumber < scope_HandleNumbers.length)) {
|
|
throw new Error("noUiSlider: invalid handle number, got: " + handleNumber);
|
|
}
|
|
// Look both backward and forward, since we don't want this handle to "push" other handles (#960);
|
|
// The exactInput argument can be used to ignore slider stepping (#436)
|
|
setHandle(handleNumber, resolveToValue(value, handleNumber), true, true, exactInput);
|
|
fireEvent("update", handleNumber);
|
|
if (fireSetEvent) {
|
|
fireEvent("set", handleNumber);
|
|
}
|
|
}
|
|
// Get the slider value.
|
|
function valueGet(unencoded) {
|
|
if (unencoded === void 0) { unencoded = false; }
|
|
if (unencoded) {
|
|
// return a copy of the raw values
|
|
return scope_Values.length === 1 ? scope_Values[0] : scope_Values.slice(0);
|
|
}
|
|
var values = scope_Values.map(options.format.to);
|
|
// If only one handle is used, return a single value.
|
|
if (values.length === 1) {
|
|
return values[0];
|
|
}
|
|
return values;
|
|
}
|
|
// Removes classes from the root and empties it.
|
|
function destroy() {
|
|
// remove protected internal listeners
|
|
removeEvent(INTERNAL_EVENT_NS.aria);
|
|
removeEvent(INTERNAL_EVENT_NS.tooltips);
|
|
Object.keys(options.cssClasses).forEach(function (key) {
|
|
removeClass(scope_Target, options.cssClasses[key]);
|
|
});
|
|
while (scope_Target.firstChild) {
|
|
scope_Target.removeChild(scope_Target.firstChild);
|
|
}
|
|
delete scope_Target.noUiSlider;
|
|
}
|
|
function getNextStepsForHandle(handleNumber) {
|
|
var location = scope_Locations[handleNumber];
|
|
var nearbySteps = scope_Spectrum.getNearbySteps(location);
|
|
var value = scope_Values[handleNumber];
|
|
var increment = nearbySteps.thisStep.step;
|
|
var decrement = null;
|
|
// If snapped, directly use defined step value
|
|
if (options.snap) {
|
|
return [
|
|
value - nearbySteps.stepBefore.startValue || null,
|
|
nearbySteps.stepAfter.startValue - value || null,
|
|
];
|
|
}
|
|
// If the next value in this step moves into the next step,
|
|
// the increment is the start of the next step - the current value
|
|
if (increment !== false) {
|
|
if (value + increment > nearbySteps.stepAfter.startValue) {
|
|
increment = nearbySteps.stepAfter.startValue - value;
|
|
}
|
|
}
|
|
// If the value is beyond the starting point
|
|
if (value > nearbySteps.thisStep.startValue) {
|
|
decrement = nearbySteps.thisStep.step;
|
|
}
|
|
else if (nearbySteps.stepBefore.step === false) {
|
|
decrement = false;
|
|
}
|
|
// If a handle is at the start of a step, it always steps back into the previous step first
|
|
else {
|
|
decrement = value - nearbySteps.stepBefore.highestStep;
|
|
}
|
|
// Now, if at the slider edges, there is no in/decrement
|
|
if (location === 100) {
|
|
increment = null;
|
|
}
|
|
else if (location === 0) {
|
|
decrement = null;
|
|
}
|
|
// As per #391, the comparison for the decrement step can have some rounding issues.
|
|
var stepDecimals = scope_Spectrum.countStepDecimals();
|
|
// Round per #391
|
|
if (increment !== null && increment !== false) {
|
|
increment = Number(increment.toFixed(stepDecimals));
|
|
}
|
|
if (decrement !== null && decrement !== false) {
|
|
decrement = Number(decrement.toFixed(stepDecimals));
|
|
}
|
|
return [decrement, increment];
|
|
}
|
|
// Get the current step size for the slider.
|
|
function getNextSteps() {
|
|
return scope_HandleNumbers.map(getNextStepsForHandle);
|
|
}
|
|
// Updatable: margin, limit, padding, step, range, animate, snap
|
|
function updateOptions(optionsToUpdate, fireSetEvent) {
|
|
// Spectrum is created using the range, snap, direction and step options.
|
|
// 'snap' and 'step' can be updated.
|
|
// If 'snap' and 'step' are not passed, they should remain unchanged.
|
|
var v = valueGet();
|
|
var updateAble = [
|
|
"margin",
|
|
"limit",
|
|
"padding",
|
|
"range",
|
|
"animate",
|
|
"snap",
|
|
"step",
|
|
"format",
|
|
"pips",
|
|
"tooltips",
|
|
];
|
|
// Only change options that we're actually passed to update.
|
|
updateAble.forEach(function (name) {
|
|
// Check for undefined. null removes the value.
|
|
if (optionsToUpdate[name] !== undefined) {
|
|
originalOptions[name] = optionsToUpdate[name];
|
|
}
|
|
});
|
|
var newOptions = testOptions(originalOptions);
|
|
// Load new options into the slider state
|
|
updateAble.forEach(function (name) {
|
|
if (optionsToUpdate[name] !== undefined) {
|
|
options[name] = newOptions[name];
|
|
}
|
|
});
|
|
scope_Spectrum = newOptions.spectrum;
|
|
// Limit, margin and padding depend on the spectrum but are stored outside of it. (#677)
|
|
options.margin = newOptions.margin;
|
|
options.limit = newOptions.limit;
|
|
options.padding = newOptions.padding;
|
|
// Update pips, removes existing.
|
|
if (options.pips) {
|
|
pips(options.pips);
|
|
}
|
|
else {
|
|
removePips();
|
|
}
|
|
// Update tooltips, removes existing.
|
|
if (options.tooltips) {
|
|
tooltips();
|
|
}
|
|
else {
|
|
removeTooltips();
|
|
}
|
|
// Invalidate the current positioning so valueSet forces an update.
|
|
scope_Locations = [];
|
|
valueSet(isSet(optionsToUpdate.start) ? optionsToUpdate.start : v, fireSetEvent);
|
|
}
|
|
// Initialization steps
|
|
function setupSlider() {
|
|
// Create the base element, initialize HTML and set classes.
|
|
// Add handles and connect elements.
|
|
scope_Base = addSlider(scope_Target);
|
|
addElements(options.connect, scope_Base);
|
|
// Attach user events.
|
|
bindSliderEvents(options.events);
|
|
// Use the public value method to set the start values.
|
|
valueSet(options.start);
|
|
if (options.pips) {
|
|
pips(options.pips);
|
|
}
|
|
if (options.tooltips) {
|
|
tooltips();
|
|
}
|
|
aria();
|
|
}
|
|
setupSlider();
|
|
var scope_Self = {
|
|
destroy: destroy,
|
|
steps: getNextSteps,
|
|
on: bindEvent,
|
|
off: removeEvent,
|
|
get: valueGet,
|
|
set: valueSet,
|
|
setHandle: valueSetHandle,
|
|
reset: valueReset,
|
|
disable: disable,
|
|
enable: enable,
|
|
// Exposed for unit testing, don't use this in your application.
|
|
__moveHandles: function (upward, proposal, handleNumbers) {
|
|
moveHandles(upward, proposal, scope_Locations, handleNumbers);
|
|
},
|
|
options: originalOptions,
|
|
updateOptions: updateOptions,
|
|
target: scope_Target,
|
|
removePips: removePips,
|
|
removeTooltips: removeTooltips,
|
|
getPositions: function () {
|
|
return scope_Locations.slice();
|
|
},
|
|
getTooltips: function () {
|
|
return scope_Tooltips;
|
|
},
|
|
getOrigins: function () {
|
|
return scope_Handles;
|
|
},
|
|
pips: pips, // Issue #594
|
|
};
|
|
return scope_Self;
|
|
}
|
|
// Run the standard initializer
|
|
function initialize(target, originalOptions) {
|
|
if (!target || !target.nodeName) {
|
|
throw new Error("noUiSlider: create requires a single element, got: " + target);
|
|
}
|
|
// Throw an error if the slider was already initialized.
|
|
if (target.noUiSlider) {
|
|
throw new Error("noUiSlider: Slider was already initialized.");
|
|
}
|
|
// Test the options and create the slider environment;
|
|
var options = testOptions(originalOptions);
|
|
var api = scope(target, options, originalOptions);
|
|
target.noUiSlider = api;
|
|
return api;
|
|
}
|
|
export { initialize as create };
|
|
export { cssClasses };
|
|
export default {
|
|
// Exposed for unit testing, don't use this in your application.
|
|
__spectrum: Spectrum,
|
|
// A reference to the default classes, allows global changes.
|
|
// Use the cssClasses option for changes to one slider.
|
|
cssClasses: cssClasses,
|
|
create: initialize,
|
|
};
|