carbon-components
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The Carbon Design System is IBM’s open-source design system for products and experiences.
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JavaScript
function _typeof(obj) {
"@babel/helpers - typeof";
return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) {
return typeof obj;
} : function (obj) {
return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
}, _typeof(obj);
}
(function (global, factory) {
if (typeof define === "function" && define.amd) {
define(["exports", "../../globals/js/settings", "../../globals/js/misc/mixin", "../../globals/js/mixins/create-component", "../../globals/js/mixins/init-component-by-search", "../../globals/js/mixins/evented-state", "../../globals/js/mixins/handles", "../../globals/js/misc/on"], factory);
} else if (typeof exports !== "undefined") {
factory(exports, require("../../globals/js/settings"), require("../../globals/js/misc/mixin"), require("../../globals/js/mixins/create-component"), require("../../globals/js/mixins/init-component-by-search"), require("../../globals/js/mixins/evented-state"), require("../../globals/js/mixins/handles"), require("../../globals/js/misc/on"));
} else {
var mod = {
exports: {}
};
factory(mod.exports, global.settings, global.mixin, global.createComponent, global.initComponentBySearch, global.eventedState, global.handles, global.on);
global.slider = mod.exports;
}
})(typeof globalThis !== "undefined" ? globalThis : typeof self !== "undefined" ? self : this, function (_exports, _settings, _mixin2, _createComponent, _initComponentBySearch, _eventedState, _handles, _on) {
"use strict";
Object.defineProperty(_exports, "__esModule", {
value: true
});
_exports.default = void 0;
_settings = _interopRequireDefault(_settings);
_mixin2 = _interopRequireDefault(_mixin2);
_createComponent = _interopRequireDefault(_createComponent);
_initComponentBySearch = _interopRequireDefault(_initComponentBySearch);
_eventedState = _interopRequireDefault(_eventedState);
_handles = _interopRequireDefault(_handles);
_on = _interopRequireDefault(_on);
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {
default: obj
};
}
function _classCallCheck(instance, Constructor) {
if (!(instance instanceof Constructor)) {
throw new TypeError("Cannot call a class as a function");
}
}
function _defineProperties(target, props) {
for (var i = 0; i < props.length; i++) {
var descriptor = props[i];
descriptor.enumerable = descriptor.enumerable || false;
descriptor.configurable = true;
if ("value" in descriptor) descriptor.writable = true;
Object.defineProperty(target, descriptor.key, descriptor);
}
}
function _createClass(Constructor, protoProps, staticProps) {
if (protoProps) _defineProperties(Constructor.prototype, protoProps);
if (staticProps) _defineProperties(Constructor, staticProps);
Object.defineProperty(Constructor, "prototype", {
writable: false
});
return Constructor;
}
function _inherits(subClass, superClass) {
if (typeof superClass !== "function" && superClass !== null) {
throw new TypeError("Super expression must either be null or a function");
}
subClass.prototype = Object.create(superClass && superClass.prototype, {
constructor: {
value: subClass,
writable: true,
configurable: true
}
});
Object.defineProperty(subClass, "prototype", {
writable: false
});
if (superClass) _setPrototypeOf(subClass, superClass);
}
function _setPrototypeOf(o, p) {
_setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
o.__proto__ = p;
return o;
};
return _setPrototypeOf(o, p);
}
function _createSuper(Derived) {
var hasNativeReflectConstruct = _isNativeReflectConstruct();
return function _createSuperInternal() {
var Super = _getPrototypeOf(Derived),
result;
if (hasNativeReflectConstruct) {
var NewTarget = _getPrototypeOf(this).constructor;
result = Reflect.construct(Super, arguments, NewTarget);
} else {
result = Super.apply(this, arguments);
}
return _possibleConstructorReturn(this, result);
};
}
function _possibleConstructorReturn(self, call) {
if (call && (_typeof(call) === "object" || typeof call === "function")) {
return call;
} else if (call !== void 0) {
throw new TypeError("Derived constructors may only return object or undefined");
}
return _assertThisInitialized(self);
}
function _assertThisInitialized(self) {
if (self === void 0) {
throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
}
return self;
}
function _isNativeReflectConstruct() {
if (typeof Reflect === "undefined" || !Reflect.construct) return false;
if (Reflect.construct.sham) return false;
if (typeof Proxy === "function") return true;
try {
Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {}));
return true;
} catch (e) {
return false;
}
}
function _getPrototypeOf(o) {
_getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
return o.__proto__ || Object.getPrototypeOf(o);
};
return _getPrototypeOf(o);
}
var Slider = /*#__PURE__*/function (_mixin) {
_inherits(Slider, _mixin);
var _super = _createSuper(Slider);
/**
* Slider.
* @extends CreateComponent
* @extends InitComponentBySearch
* @extends Handles
* @param {HTMLElement} element The element working as an slider.
*/
/**
* Slider.
* @extends CreateComponent
* @extends InitComponentBySearch
* @extends Handles
* @param {HTMLElement} element The element working as an slider.
*/
function Slider(element, options) {
var _this;
_classCallCheck(this, Slider);
_this = _super.call(this, element, options);
_this._changeState = function (state, detail, callback) {
callback();
};
_this.sliderActive = false;
_this.dragging = false;
_this.track = _this.element.querySelector(_this.options.selectorTrack);
_this.filledTrack = _this.element.querySelector(_this.options.selectorFilledTrack);
_this.thumb = _this.element.querySelector(_this.options.selectorThumb);
_this.input = _this.element.querySelector(_this.options.selectorInput);
if (_this.element.dataset.sliderInputBox) {
_this.boundInput = _this.element.ownerDocument.querySelector(_this.element.dataset.sliderInputBox);
_this._updateInput();
_this.manage((0, _on.default)(_this.boundInput, 'change', function (evt) {
_this.setValue(evt.target.value);
}));
_this.manage((0, _on.default)(_this.boundInput, 'focus', function (evt) {
evt.target.select();
})); // workaround for safari
// workaround for safari
_this.manage((0, _on.default)(_this.boundInput, 'mouseup', function (evt) {
evt.preventDefault();
}));
}
_this._updatePosition();
_this.manage((0, _on.default)(_this.thumb, 'mousedown', function () {
_this.sliderActive = true;
}));
_this.manage((0, _on.default)(_this.element.ownerDocument, 'mouseup', function () {
_this.sliderActive = false;
}));
_this.manage((0, _on.default)(_this.element.ownerDocument, 'mousemove', function (evt) {
var disabled = _this.element.classList.contains(_this.options.classDisabled);
if (_this.sliderActive === true && !disabled) {
_this._updatePosition(evt);
}
}));
_this.manage((0, _on.default)(_this.thumb, 'keydown', function (evt) {
var disabled = _this.element.classList.contains(_this.options.classDisabled);
if (!disabled) {
_this._updatePosition(evt);
}
}));
_this.manage((0, _on.default)(_this.track, 'click', function (evt) {
var disabled = _this.element.classList.contains(_this.options.classDisabled);
if (!disabled) {
_this._updatePosition(evt);
}
}));
return _this;
}
_createClass(Slider, [{
key: "_updatePosition",
value: function _updatePosition(evt) {
var _this2 = this;
var _this$_calcValue = this._calcValue(evt),
left = _this$_calcValue.left,
newValue = _this$_calcValue.newValue;
if (this.dragging) {
return;
}
this.dragging = true;
requestAnimationFrame(function () {
_this2.dragging = false;
_this2.thumb.style.left = "".concat(left, "%");
_this2.filledTrack.style.transform = "translate(0%, -50%) scaleX(".concat(left / 100, ")");
_this2.input.value = newValue;
_this2._updateInput();
_this2.changeState('slider-value-change', {
value: newValue
});
});
}
}, {
key: "_calcValue",
value: function _calcValue(evt) {
var _this$getInputProps = this.getInputProps(),
value = _this$getInputProps.value,
min = _this$getInputProps.min,
max = _this$getInputProps.max,
step = _this$getInputProps.step;
var range = max - min;
var valuePercentage = (value - min) / range * 100;
var left;
var newValue;
left = valuePercentage;
newValue = value;
if (evt) {
var type = evt.type;
if (type === 'keydown') {
var direction = {
40: -1,
// decreasing
37: -1,
// decreasing
38: 1,
// increasing
39: 1 // increasing
}[evt.which];
if (direction !== undefined) {
var multiplier = evt.shiftKey === true ? range / step / this.options.stepMultiplier : 1;
var stepMultiplied = step * multiplier;
var stepSize = stepMultiplied / range * 100;
left = valuePercentage + stepSize * direction;
newValue = Number(value) + stepMultiplied * direction;
}
}
if (type === 'mousemove' || type === 'click') {
if (type === 'click') {
this.element.querySelector(this.options.selectorThumb).classList.add(this.options.classThumbClicked);
} else {
this.element.querySelector(this.options.selectorThumb).classList.remove(this.options.classThumbClicked);
}
var track = this.track.getBoundingClientRect();
var unrounded = (evt.clientX - track.left) / track.width;
var rounded = Math.round(range * unrounded / step) * step;
left = rounded / range * 100;
newValue = rounded + min;
}
}
if (newValue <= Number(min)) {
left = 0;
newValue = min;
}
if (newValue >= Number(max)) {
left = 100;
newValue = max;
}
return {
left: left,
newValue: newValue
};
}
}, {
key: "_updateInput",
value: function _updateInput() {
if (this.boundInput) {
this.boundInput.value = this.input.value;
}
}
}, {
key: "getInputProps",
value: function getInputProps() {
var values = {
value: Number(this.input.value),
min: Number(this.input.min),
max: Number(this.input.max),
step: this.input.step ? Number(this.input.step) : 1
};
return values;
}
}, {
key: "setValue",
value: function setValue(value) {
this.input.value = value;
this._updatePosition();
}
}, {
key: "stepUp",
value: function stepUp() {
this.input.stepUp();
this._updatePosition();
}
}, {
key: "stepDown",
value: function stepDown() {
this.input.stepDown();
this._updatePosition();
}
/**
* The map associating DOM element and Slider UI instance.
* @type {WeakMap}
*/
}], [{
key: "options",
get:
/**
* The component options.
* If `options` is specified in the constructor,
* properties in this object are overridden for the instance being created.
* @property {string} selectorInit The CSS selector to find slider instances.
*/
function get() {
var prefix = _settings.default.prefix;
return {
selectorInit: '[data-slider]',
selectorTrack: ".".concat(prefix, "--slider__track"),
selectorFilledTrack: ".".concat(prefix, "--slider__filled-track"),
selectorThumb: ".".concat(prefix, "--slider__thumb"),
selectorInput: ".".concat(prefix, "--slider__input"),
classDisabled: "".concat(prefix, "--slider--disabled"),
classThumbClicked: "".concat(prefix, "--slider__thumb--clicked"),
eventBeforeSliderValueChange: 'slider-before-value-change',
eventAfterSliderValueChange: 'slider-after-value-change',
stepMultiplier: 4
};
}
}]);
Slider.components = new WeakMap();
return Slider;
}((0, _mixin2.default)(_createComponent.default, _initComponentBySearch.default, _eventedState.default, _handles.default));
var _default = Slider;
_exports.default = _default;
});