166 lines
3.6 KiB
JavaScript
166 lines
3.6 KiB
JavaScript
/** =======================================================================
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* Bootstrap: util.js v4.0.0
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* http://getbootstrap.com/javascript/#alerts
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* ========================================================================
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* Copyright 2011-2015 Twitter, Inc.
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* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
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* ========================================================================
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* @fileoverview - Bootstrap's private util helper. Adds private util
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* helpers for things like accesibility and transitions. These methods are
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* shared across all bootstrap plugins.
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* ========================================================================
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*/
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'use strict';
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/**
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* @type {Object}
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*/
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var Bootstrap = {}
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/**
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* @const
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* @type {string}
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*/
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Bootstrap.TRANSITION_END = 'bsTransitionEnd'
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/**
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* @const
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* @type {Object}
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*/
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Bootstrap.TransitionEndEvent = {
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'WebkitTransition' : 'webkitTransitionEnd',
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'MozTransition' : 'transitionend',
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'OTransition' : 'oTransitionEnd otransitionend',
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'transition' : 'transitionend'
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}
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/**
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* @param {Function} childConstructor
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* @param {Function} parentConstructor
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*/
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Bootstrap.inherits = function(childConstructor, parentConstructor) {
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/** @constructor */
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function tempConstructor() {}
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tempConstructor.prototype = parentConstructor.prototype
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childConstructor.prototype = new tempConstructor()
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/** @override */
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childConstructor.prototype.constructor = childConstructor
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}
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/**
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* @param {Element} element
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* @return {string|null}
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*/
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Bootstrap.getSelectorFromElement = function (element) {
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var selector = element.getAttribute('data-target')
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if (!selector) {
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selector = element.getAttribute('href') || ''
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selector = /^#[a-z]/i.test(selector) ? selector : null
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}
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return selector
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}
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/**
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* @param {string} prefix
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* @return {string}
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*/
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Bootstrap.getUID = function (prefix) {
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do prefix += ~~(Math.random() * 1000000)
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while (document.getElementById(prefix))
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return prefix
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}
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/**
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* @return {Object}
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*/
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Bootstrap.getSpecialTransitionEndEvent = function () {
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return {
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bindType: Bootstrap.transition.end,
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delegateType: Bootstrap.transition.end,
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handle: /** @param {jQuery.Event} event */ (function (event) {
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if ($(event.target).is(this)) {
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return event.handleObj.handler.apply(this, arguments)
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}
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})
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}
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}
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/**
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* @param {Element} element
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*/
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Bootstrap.reflow = function (element) {
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new Function('bs',"return bs")(element.offsetHeight)
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}
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/**
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* @return {Object|boolean}
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*/
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Bootstrap.transitionEndTest = function () {
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if (window['QUnit']) {
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return false
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}
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var el = document.createElement('bootstrap')
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for (var name in Bootstrap.TransitionEndEvent) {
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if (el.style[name] !== undefined) {
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return { end: Bootstrap.TransitionEndEvent[name] }
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}
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}
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return false
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}
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/**
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* @param {number} duration
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* @this {Element}
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* @return {Object}
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*/
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Bootstrap.transitionEndEmulator = function (duration) {
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var called = false
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$(this).one(Bootstrap.TRANSITION_END, function () {
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called = true
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})
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var callback = function () {
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if (!called) {
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$(this).trigger(Bootstrap.transition.end)
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}
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}.bind(this)
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setTimeout(callback, duration)
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return this
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}
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/**
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* ------------------------------------------------------------------------
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* jQuery Interface
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* ------------------------------------------------------------------------
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*/
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$.fn.emulateTransitionEnd = Bootstrap.transitionEndEmulator
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$(function () {
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Bootstrap.transition = Bootstrap.transitionEndTest()
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if (!Bootstrap.transition) {
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return
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}
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$.event.special[Bootstrap.TRANSITION_END] = Bootstrap.getSpecialTransitionEndEvent()
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})
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