carbon-components
Version:
Carbon Components is a component library for IBM Cloud
162 lines (126 loc) • 5.62 kB
JavaScript
var _createClass = 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); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
import settings from '../../globals/js/settings';
import mixin from '../../globals/js/misc/mixin';
import createComponent from '../../globals/js/mixins/create-component';
import initComponentBySearch from '../../globals/js/mixins/init-component-by-search';
import handles from '../../globals/js/mixins/handles';
import on from '../../globals/js/misc/on';
var Loading = function (_mixin) {
_inherits(Loading, _mixin);
/**
* Spinner indicating loading state.
* @extends CreateComponent
* @extends InitComponentBySearch
* @extends Handles
* @param {HTMLElement} element The element working as a spinner.
* @param {Object} [options] The component options.
* @param {boolean} [options.active] `true` if this spinner should roll.
*/
function Loading(element, options) {
_classCallCheck(this, Loading);
var _this = _possibleConstructorReturn(this, (Loading.__proto__ || Object.getPrototypeOf(Loading)).call(this, element, options));
_this.active = _this.options.active;
// Initialize spinner
_this.set(_this.active);
return _this;
}
/**
* Sets active/inactive state.
* @param {boolean} active `true` if this spinner should roll.
*/
_createClass(Loading, [{
key: 'set',
value: function set(active) {
if (typeof active !== 'boolean') {
throw new TypeError('set expects a boolean.');
}
this.active = active;
this.element.classList.toggle(this.options.classLoadingStop, !this.active);
/**
* If overlay is the parentNode then toggle it too.
*/
var parentNode = this.element.parentNode;
if (parentNode && parentNode.classList.contains(this.options.classLoadingOverlay)) {
parentNode.classList.toggle(this.options.classLoadingOverlayStop, !this.active);
}
return this;
}
/**
* Toggles active/inactive state.
*/
}, {
key: 'toggle',
value: function toggle() {
return this.set(!this.active);
}
/**
* @returns {boolean} `true` if this spinner is rolling.
*/
}, {
key: 'isActive',
value: function isActive() {
return this.active;
}
/**
* Sets state to inactive and deletes the loading element.
*/
}, {
key: 'end',
value: function end() {
var _this2 = this;
this.set(false);
var handleAnimationEnd = this.manage(on(this.element, 'animationend', function (evt) {
if (handleAnimationEnd) {
handleAnimationEnd = _this2.unmanage(handleAnimationEnd).release();
}
if (evt.animationName === 'rotate-end-p2') {
_this2._deleteElement();
}
}));
}
/**
* Delete component from the DOM.
*/
}, {
key: '_deleteElement',
value: function _deleteElement() {
var parentNode = this.element.parentNode;
parentNode.removeChild(this.element);
if (parentNode.classList.contains(this.options.selectorLoadingOverlay)) {
parentNode.remove();
}
}
/**
* The map associating DOM element and spinner instance.
* @member Loading.components
* @type {WeakMap}
*/
}], [{
key: 'options',
/**
* The component options.
* If `options` is specified in the constructor, {@linkcode Loading.create .create()}, or {@linkcode Loading.init .init()},
* properties in this object are overriden for the instance being create and how {@linkcode Loading.init .init()} works.
* @member Loading.options
* @type {Object}
* @property {string} selectorInit The CSS selector to find spinners.
*/
get: function get() {
var prefix = settings.prefix;
return {
selectorInit: '[data-loading]',
selectorLoadingOverlay: '.' + prefix + '--loading-overlay',
classLoadingOverlay: prefix + '--loading-overlay',
classLoadingStop: prefix + '--loading--stop',
classLoadingOverlayStop: prefix + '--loading-overlay--stop',
active: true
};
}
}]);
return Loading;
}(mixin(createComponent, initComponentBySearch, handles));
Loading.components = new WeakMap();
export default Loading;