2017-08-29 21:16:00 +02:00
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import $ from 'jquery'
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2015-05-08 07:26:40 +02:00
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import Util from './util'
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/**
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* --------------------------------------------------------------------------
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2017-10-19 18:40:37 +02:00
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* Bootstrap (v4.0.0-beta.2): carousel.js
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2015-05-08 07:26:40 +02:00
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* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
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* --------------------------------------------------------------------------
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*/
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2017-10-24 10:12:45 +02:00
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const Carousel = (($) => {
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2015-05-08 07:26:40 +02:00
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/**
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* ------------------------------------------------------------------------
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* Constants
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* ------------------------------------------------------------------------
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*/
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2017-04-17 14:26:46 +02:00
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const NAME = 'carousel'
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2017-10-19 18:40:37 +02:00
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const VERSION = '4.0.0-beta.2'
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2017-04-17 14:26:46 +02:00
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const DATA_KEY = 'bs.carousel'
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const EVENT_KEY = `.${DATA_KEY}`
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const DATA_API_KEY = '.data-api'
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const JQUERY_NO_CONFLICT = $.fn[NAME]
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const TRANSITION_DURATION = 600
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const ARROW_LEFT_KEYCODE = 37 // KeyboardEvent.which value for left arrow key
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const ARROW_RIGHT_KEYCODE = 39 // KeyboardEvent.which value for right arrow key
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const TOUCHEVENT_COMPAT_WAIT = 500 // Time for mouse compat events to fire after touch
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2015-05-11 04:45:38 +02:00
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const Default = {
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interval : 5000,
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keyboard : true,
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slide : false,
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pause : 'hover',
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wrap : true
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}
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2015-05-13 23:46:50 +02:00
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const DefaultType = {
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interval : '(number|boolean)',
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keyboard : 'boolean',
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slide : '(boolean|string)',
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pause : '(string|boolean)',
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wrap : 'boolean'
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}
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const Direction = {
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NEXT : 'next',
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PREV : 'prev',
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LEFT : 'left',
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RIGHT : 'right'
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}
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const Event = {
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SLIDE : `slide${EVENT_KEY}`,
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SLID : `slid${EVENT_KEY}`,
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KEYDOWN : `keydown${EVENT_KEY}`,
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MOUSEENTER : `mouseenter${EVENT_KEY}`,
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MOUSELEAVE : `mouseleave${EVENT_KEY}`,
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TOUCHEND : `touchend${EVENT_KEY}`,
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LOAD_DATA_API : `load${EVENT_KEY}${DATA_API_KEY}`,
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CLICK_DATA_API : `click${EVENT_KEY}${DATA_API_KEY}`
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}
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const ClassName = {
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CAROUSEL : 'carousel',
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ACTIVE : 'active',
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SLIDE : 'slide',
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RIGHT : 'carousel-item-right',
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LEFT : 'carousel-item-left',
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NEXT : 'carousel-item-next',
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PREV : 'carousel-item-prev',
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ITEM : 'carousel-item'
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}
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const Selector = {
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ACTIVE : '.active',
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ACTIVE_ITEM : '.active.carousel-item',
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ITEM : '.carousel-item',
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NEXT_PREV : '.carousel-item-next, .carousel-item-prev',
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INDICATORS : '.carousel-indicators',
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DATA_SLIDE : '[data-slide], [data-slide-to]',
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DATA_RIDE : '[data-ride="carousel"]'
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}
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/**
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* ------------------------------------------------------------------------
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* Class Definition
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* ------------------------------------------------------------------------
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*/
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class Carousel {
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constructor(element, config) {
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this._items = null
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this._interval = null
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this._activeElement = null
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this._isPaused = false
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this._isSliding = false
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2017-04-17 14:26:46 +02:00
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this.touchTimeout = null
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2015-05-13 23:46:50 +02:00
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this._config = this._getConfig(config)
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this._element = $(element)[0]
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this._indicatorsElement = $(this._element).find(Selector.INDICATORS)[0]
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this._addEventListeners()
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2015-05-11 04:45:38 +02:00
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}
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// getters
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static get VERSION() {
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return VERSION
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}
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2015-05-11 04:45:38 +02:00
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static get Default() {
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return Default
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2015-05-08 07:26:40 +02:00
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}
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// public
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next() {
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if (!this._isSliding) {
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this._slide(Direction.NEXT)
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2015-05-08 07:26:40 +02:00
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}
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}
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2015-09-27 01:30:11 +02:00
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nextWhenVisible() {
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// Don't call next when the page isn't visible
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2017-08-18 15:55:59 +02:00
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// or the carousel or its parent isn't visible
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2017-08-17 17:44:09 +02:00
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if (!document.hidden &&
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($(this._element).is(':visible') && $(this._element).css('visibility') !== 'hidden')) {
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2015-09-27 01:30:11 +02:00
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this.next()
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}
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}
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prev() {
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if (!this._isSliding) {
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this._slide(Direction.PREV)
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}
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}
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pause(event) {
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if (!event) {
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this._isPaused = true
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}
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if ($(this._element).find(Selector.NEXT_PREV)[0] &&
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Util.supportsTransitionEnd()) {
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Util.triggerTransitionEnd(this._element)
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this.cycle(true)
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}
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clearInterval(this._interval)
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this._interval = null
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}
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cycle(event) {
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if (!event) {
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this._isPaused = false
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}
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if (this._interval) {
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clearInterval(this._interval)
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this._interval = null
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}
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if (this._config.interval && !this._isPaused) {
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this._interval = setInterval(
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2016-11-21 15:36:00 +01:00
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(document.visibilityState ? this.nextWhenVisible : this.next).bind(this),
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this._config.interval
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)
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}
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}
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to(index) {
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this._activeElement = $(this._element).find(Selector.ACTIVE_ITEM)[0]
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const activeIndex = this._getItemIndex(this._activeElement)
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2016-11-21 15:36:00 +01:00
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if (index > this._items.length - 1 || index < 0) {
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return
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}
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if (this._isSliding) {
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$(this._element).one(Event.SLID, () => this.to(index))
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return
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}
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2015-08-19 04:22:46 +02:00
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if (activeIndex === index) {
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this.pause()
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this.cycle()
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return
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}
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2016-11-21 15:36:00 +01:00
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const direction = index > activeIndex ?
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Direction.NEXT :
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Direction.PREV
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this._slide(direction, this._items[index])
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}
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2015-05-13 21:48:34 +02:00
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dispose() {
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$(this._element).off(EVENT_KEY)
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$.removeData(this._element, DATA_KEY)
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this._items = null
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this._config = null
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this._element = null
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this._interval = null
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this._isPaused = null
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this._isSliding = null
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this._activeElement = null
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this._indicatorsElement = null
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}
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2015-05-08 07:26:40 +02:00
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// private
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2015-05-13 23:46:50 +02:00
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_getConfig(config) {
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2017-11-13 11:25:36 +01:00
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config = {
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...Default,
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...config
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}
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2015-05-13 23:46:50 +02:00
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Util.typeCheckConfig(NAME, config, DefaultType)
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return config
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}
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2015-05-08 07:26:40 +02:00
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_addEventListeners() {
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if (this._config.keyboard) {
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$(this._element)
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.on(Event.KEYDOWN, (event) => this._keydown(event))
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}
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if (this._config.pause === 'hover') {
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$(this._element)
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.on(Event.MOUSEENTER, (event) => this.pause(event))
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.on(Event.MOUSELEAVE, (event) => this.cycle(event))
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2017-04-17 14:26:46 +02:00
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if ('ontouchstart' in document.documentElement) {
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// if it's a touch-enabled device, mouseenter/leave are fired as
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// part of the mouse compatibility events on first tap - the carousel
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// would stop cycling until user tapped out of it;
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// here, we listen for touchend, explicitly pause the carousel
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// (as if it's the second time we tap on it, mouseenter compat event
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// is NOT fired) and after a timeout (to allow for mouse compatibility
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// events to fire) we explicitly restart cycling
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$(this._element).on(Event.TOUCHEND, () => {
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this.pause()
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if (this.touchTimeout) {
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clearTimeout(this.touchTimeout)
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}
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this.touchTimeout = setTimeout((event) => this.cycle(event), TOUCHEVENT_COMPAT_WAIT + this._config.interval)
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})
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}
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2015-05-08 07:26:40 +02:00
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}
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}
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_keydown(event) {
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if (/input|textarea/i.test(event.target.tagName)) {
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return
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}
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2015-05-08 07:26:40 +02:00
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switch (event.which) {
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case ARROW_LEFT_KEYCODE:
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event.preventDefault()
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this.prev()
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break
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case ARROW_RIGHT_KEYCODE:
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event.preventDefault()
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2016-06-04 23:28:34 +02:00
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this.next()
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break
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default:
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return
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}
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}
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_getItemIndex(element) {
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this._items = $.makeArray($(element).parent().find(Selector.ITEM))
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return this._items.indexOf(element)
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}
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_getItemByDirection(direction, activeElement) {
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const isNextDirection = direction === Direction.NEXT
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const isPrevDirection = direction === Direction.PREV
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const activeIndex = this._getItemIndex(activeElement)
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const lastItemIndex = this._items.length - 1
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const isGoingToWrap = isPrevDirection && activeIndex === 0 ||
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isNextDirection && activeIndex === lastItemIndex
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if (isGoingToWrap && !this._config.wrap) {
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return activeElement
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}
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2017-01-15 03:46:03 +01:00
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const delta = direction === Direction.PREV ? -1 : 1
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const itemIndex = (activeIndex + delta) % this._items.length
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return itemIndex === -1 ?
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this._items[this._items.length - 1] : this._items[itemIndex]
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}
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2016-12-05 04:53:16 +01:00
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_triggerSlideEvent(relatedTarget, eventDirectionName) {
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2017-03-22 22:42:13 +01:00
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const targetIndex = this._getItemIndex(relatedTarget)
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const fromIndex = this._getItemIndex($(this._element).find(Selector.ACTIVE_ITEM)[0])
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const slideEvent = $.Event(Event.SLIDE, {
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relatedTarget,
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direction: eventDirectionName,
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from: fromIndex,
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to: targetIndex
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})
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$(this._element).trigger(slideEvent)
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return slideEvent
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}
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_setActiveIndicatorElement(element) {
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if (this._indicatorsElement) {
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$(this._indicatorsElement)
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.find(Selector.ACTIVE)
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.removeClass(ClassName.ACTIVE)
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2016-11-21 15:36:00 +01:00
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const nextIndicator = this._indicatorsElement.children[
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this._getItemIndex(element)
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]
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if (nextIndicator) {
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$(nextIndicator).addClass(ClassName.ACTIVE)
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}
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}
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}
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_slide(direction, element) {
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const activeElement = $(this._element).find(Selector.ACTIVE_ITEM)[0]
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const activeElementIndex = this._getItemIndex(activeElement)
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2016-11-21 15:36:00 +01:00
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const nextElement = element || activeElement &&
|
2015-05-08 07:26:40 +02:00
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this._getItemByDirection(direction, activeElement)
|
2017-03-22 22:42:13 +01:00
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const nextElementIndex = this._getItemIndex(nextElement)
|
2016-11-21 15:36:00 +01:00
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const isCycling = Boolean(this._interval)
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2015-05-08 07:26:40 +02:00
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2016-12-05 04:53:16 +01:00
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let directionalClassName
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let orderClassName
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let eventDirectionName
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if (direction === Direction.NEXT) {
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directionalClassName = ClassName.LEFT
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orderClassName = ClassName.NEXT
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eventDirectionName = Direction.LEFT
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|
} else {
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directionalClassName = ClassName.RIGHT
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orderClassName = ClassName.PREV
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eventDirectionName = Direction.RIGHT
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}
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2015-05-08 07:26:40 +02:00
|
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|
if (nextElement && $(nextElement).hasClass(ClassName.ACTIVE)) {
|
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this._isSliding = false
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|
return
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|
}
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|
2016-12-05 04:53:16 +01:00
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const slideEvent = this._triggerSlideEvent(nextElement, eventDirectionName)
|
2015-05-08 07:26:40 +02:00
|
|
|
if (slideEvent.isDefaultPrevented()) {
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return
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}
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|
if (!activeElement || !nextElement) {
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|
|
|
// some weirdness is happening, so we bail
|
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|
|
return
|
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|
}
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|
this._isSliding = true
|
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|
if (isCycling) {
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|
this.pause()
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|
}
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this._setActiveIndicatorElement(nextElement)
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|
2016-11-21 15:36:00 +01:00
|
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|
const slidEvent = $.Event(Event.SLID, {
|
2015-05-08 07:26:40 +02:00
|
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|
relatedTarget: nextElement,
|
2017-03-22 22:42:13 +01:00
|
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|
direction: eventDirectionName,
|
|
|
|
from: activeElementIndex,
|
|
|
|
to: nextElementIndex
|
2015-05-08 07:26:40 +02:00
|
|
|
})
|
|
|
|
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|
|
|
if (Util.supportsTransitionEnd() &&
|
|
|
|
$(this._element).hasClass(ClassName.SLIDE)) {
|
|
|
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|
2016-12-05 04:53:16 +01:00
|
|
|
$(nextElement).addClass(orderClassName)
|
2015-05-08 07:26:40 +02:00
|
|
|
|
|
|
|
Util.reflow(nextElement)
|
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|
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|
|
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|
$(activeElement).addClass(directionalClassName)
|
|
|
|
$(nextElement).addClass(directionalClassName)
|
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|
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|
|
|
|
$(activeElement)
|
|
|
|
.one(Util.TRANSITION_END, () => {
|
|
|
|
$(nextElement)
|
2016-12-05 06:05:19 +01:00
|
|
|
.removeClass(`${directionalClassName} ${orderClassName}`)
|
2016-09-06 21:55:48 +02:00
|
|
|
.addClass(ClassName.ACTIVE)
|
2015-05-08 07:26:40 +02:00
|
|
|
|
2016-12-05 06:05:19 +01:00
|
|
|
$(activeElement).removeClass(`${ClassName.ACTIVE} ${orderClassName} ${directionalClassName}`)
|
2015-05-08 07:26:40 +02:00
|
|
|
|
|
|
|
this._isSliding = false
|
|
|
|
|
|
|
|
setTimeout(() => $(this._element).trigger(slidEvent), 0)
|
|
|
|
|
|
|
|
})
|
|
|
|
.emulateTransitionEnd(TRANSITION_DURATION)
|
|
|
|
|
|
|
|
} else {
|
|
|
|
$(activeElement).removeClass(ClassName.ACTIVE)
|
|
|
|
$(nextElement).addClass(ClassName.ACTIVE)
|
|
|
|
|
|
|
|
this._isSliding = false
|
|
|
|
$(this._element).trigger(slidEvent)
|
|
|
|
}
|
|
|
|
|
|
|
|
if (isCycling) {
|
|
|
|
this.cycle()
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// static
|
|
|
|
|
|
|
|
static _jQueryInterface(config) {
|
|
|
|
return this.each(function () {
|
2015-08-19 04:22:46 +02:00
|
|
|
let data = $(this).data(DATA_KEY)
|
2017-11-13 11:25:36 +01:00
|
|
|
let _config = {
|
|
|
|
...Default,
|
|
|
|
...$(this).data()
|
|
|
|
}
|
2015-05-08 07:26:40 +02:00
|
|
|
|
|
|
|
if (typeof config === 'object') {
|
2017-11-13 11:25:36 +01:00
|
|
|
_config = {
|
|
|
|
..._config,
|
|
|
|
...config
|
|
|
|
}
|
2015-05-08 07:26:40 +02:00
|
|
|
}
|
|
|
|
|
2016-11-21 15:36:00 +01:00
|
|
|
const action = typeof config === 'string' ? config : _config.slide
|
2015-05-08 07:26:40 +02:00
|
|
|
|
|
|
|
if (!data) {
|
|
|
|
data = new Carousel(this, _config)
|
|
|
|
$(this).data(DATA_KEY, data)
|
|
|
|
}
|
|
|
|
|
2015-08-19 04:22:46 +02:00
|
|
|
if (typeof config === 'number') {
|
2015-05-08 07:26:40 +02:00
|
|
|
data.to(config)
|
2015-09-16 10:35:29 +02:00
|
|
|
} else if (typeof action === 'string') {
|
2017-07-27 12:39:55 +02:00
|
|
|
if (typeof data[action] === 'undefined') {
|
2015-09-16 10:35:29 +02:00
|
|
|
throw new Error(`No method named "${action}"`)
|
|
|
|
}
|
2015-05-08 07:26:40 +02:00
|
|
|
data[action]()
|
|
|
|
} else if (_config.interval) {
|
|
|
|
data.pause()
|
|
|
|
data.cycle()
|
|
|
|
}
|
|
|
|
})
|
|
|
|
}
|
|
|
|
|
|
|
|
static _dataApiClickHandler(event) {
|
2016-11-21 15:36:00 +01:00
|
|
|
const selector = Util.getSelectorFromElement(this)
|
2015-05-08 07:26:40 +02:00
|
|
|
|
|
|
|
if (!selector) {
|
|
|
|
return
|
|
|
|
}
|
|
|
|
|
2016-11-21 15:36:00 +01:00
|
|
|
const target = $(selector)[0]
|
2015-05-08 07:26:40 +02:00
|
|
|
|
|
|
|
if (!target || !$(target).hasClass(ClassName.CAROUSEL)) {
|
|
|
|
return
|
|
|
|
}
|
|
|
|
|
2017-11-13 11:25:36 +01:00
|
|
|
const config = {
|
|
|
|
...$(target).data(),
|
|
|
|
...$(this).data()
|
|
|
|
}
|
2016-11-21 15:36:00 +01:00
|
|
|
const slideIndex = this.getAttribute('data-slide-to')
|
2015-08-19 04:22:46 +02:00
|
|
|
|
2015-05-08 07:26:40 +02:00
|
|
|
if (slideIndex) {
|
|
|
|
config.interval = false
|
|
|
|
}
|
|
|
|
|
|
|
|
Carousel._jQueryInterface.call($(target), config)
|
|
|
|
|
|
|
|
if (slideIndex) {
|
|
|
|
$(target).data(DATA_KEY).to(slideIndex)
|
|
|
|
}
|
|
|
|
|
|
|
|
event.preventDefault()
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ------------------------------------------------------------------------
|
|
|
|
* Data Api implementation
|
|
|
|
* ------------------------------------------------------------------------
|
|
|
|
*/
|
|
|
|
|
|
|
|
$(document)
|
2015-05-13 21:48:34 +02:00
|
|
|
.on(Event.CLICK_DATA_API, Selector.DATA_SLIDE, Carousel._dataApiClickHandler)
|
2015-05-08 07:26:40 +02:00
|
|
|
|
2015-08-19 04:22:46 +02:00
|
|
|
$(window).on(Event.LOAD_DATA_API, () => {
|
2015-05-08 07:26:40 +02:00
|
|
|
$(Selector.DATA_RIDE).each(function () {
|
2016-11-21 15:36:00 +01:00
|
|
|
const $carousel = $(this)
|
2015-05-08 07:26:40 +02:00
|
|
|
Carousel._jQueryInterface.call($carousel, $carousel.data())
|
|
|
|
})
|
|
|
|
})
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
* ------------------------------------------------------------------------
|
|
|
|
* jQuery
|
|
|
|
* ------------------------------------------------------------------------
|
|
|
|
*/
|
|
|
|
|
|
|
|
$.fn[NAME] = Carousel._jQueryInterface
|
|
|
|
$.fn[NAME].Constructor = Carousel
|
|
|
|
$.fn[NAME].noConflict = function () {
|
|
|
|
$.fn[NAME] = JQUERY_NO_CONFLICT
|
|
|
|
return Carousel._jQueryInterface
|
|
|
|
}
|
|
|
|
|
|
|
|
return Carousel
|
|
|
|
|
2017-10-24 10:12:45 +02:00
|
|
|
})($)
|
2015-05-08 07:26:40 +02:00
|
|
|
|
|
|
|
export default Carousel
|