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tab.js 6.42 KiB
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import $ from 'jquery'
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import Util from './util'
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/**
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 * --------------------------------------------------------------------------
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 * Bootstrap (v4.1.3): tab.js
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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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/**
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 * ------------------------------------------------------------------------
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 * Constants
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 * ------------------------------------------------------------------------
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 */
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const NAME               = 'tab'
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const VERSION            = '4.1.3'
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const DATA_KEY           = 'bs.tab'
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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 = $.fn[NAME]
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const Event = {
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  HIDE           : `hide${EVENT_KEY}`,
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  HIDDEN         : `hidden${EVENT_KEY}`,
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  SHOW           : `show${EVENT_KEY}`,
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  SHOWN          : `shown${EVENT_KEY}`,
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  CLICK_DATA_API : `click${EVENT_KEY}${DATA_API_KEY}`
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}
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const ClassName = {
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  DROPDOWN_MENU : 'dropdown-menu',
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  ACTIVE        : 'active',
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  DISABLED      : 'disabled',
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  FADE          : 'fade',
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  SHOW          : 'show'
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}
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const Selector = {
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  DROPDOWN              : '.dropdown',
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  NAV_LIST_GROUP        : '.nav, .list-group',
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  ACTIVE                : '.active',
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  ACTIVE_UL             : '> li > .active',
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  DATA_TOGGLE           : '[data-toggle="tab"], [data-toggle="pill"], [data-toggle="list"]',
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  DROPDOWN_TOGGLE       : '.dropdown-toggle',
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  DROPDOWN_ACTIVE_CHILD : '> .dropdown-menu .active'
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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 Tab {
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  constructor(element) {
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    this._element = element
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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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  // Public
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  show() {
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    if (this._element.parentNode &&
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this._element.parentNode.nodeType === Node.ELEMENT_NODE && $(this._element).hasClass(ClassName.ACTIVE) || $(this._element).hasClass(ClassName.DISABLED)) { return } let target let previous const listElement = $(this._element).closest(Selector.NAV_LIST_GROUP)[0] const selector = Util.getSelectorFromElement(this._element) if (listElement) { const itemSelector = listElement.nodeName === 'UL' ? Selector.ACTIVE_UL : Selector.ACTIVE previous = $.makeArray($(listElement).find(itemSelector)) previous = previous[previous.length - 1] } const hideEvent = $.Event(Event.HIDE, { relatedTarget: this._element }) const showEvent = $.Event(Event.SHOW, { relatedTarget: previous }) if (previous) { $(previous).trigger(hideEvent) } $(this._element).trigger(showEvent) if (showEvent.isDefaultPrevented() || hideEvent.isDefaultPrevented()) { return } if (selector) { target = document.querySelector(selector) } this._activate( this._element, listElement ) const complete = () => { const hiddenEvent = $.Event(Event.HIDDEN, { relatedTarget: this._element }) const shownEvent = $.Event(Event.SHOWN, { relatedTarget: previous }) $(previous).trigger(hiddenEvent) $(this._element).trigger(shownEvent) } if (target) { this._activate(target, target.parentNode, complete) } else { complete() } } dispose() { $.removeData(this._element, DATA_KEY) this._element = null }
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// Private _activate(element, container, callback) { let activeElements if (container.nodeName === 'UL') { activeElements = $(container).find(Selector.ACTIVE_UL) } else { activeElements = $(container).children(Selector.ACTIVE) } const active = activeElements[0] const isTransitioning = callback && (active && $(active).hasClass(ClassName.FADE)) const complete = () => this._transitionComplete( element, active, callback ) if (active && isTransitioning) { const transitionDuration = Util.getTransitionDurationFromElement(active) $(active) .one(Util.TRANSITION_END, complete) .emulateTransitionEnd(transitionDuration) } else { complete() } } _transitionComplete(element, active, callback) { if (active) { $(active).removeClass(`${ClassName.SHOW} ${ClassName.ACTIVE}`) const dropdownChild = $(active.parentNode).find( Selector.DROPDOWN_ACTIVE_CHILD )[0] if (dropdownChild) { $(dropdownChild).removeClass(ClassName.ACTIVE) } if (active.getAttribute('role') === 'tab') { active.setAttribute('aria-selected', false) } } $(element).addClass(ClassName.ACTIVE) if (element.getAttribute('role') === 'tab') { element.setAttribute('aria-selected', true) } Util.reflow(element) $(element).addClass(ClassName.SHOW) if (element.parentNode && $(element.parentNode).hasClass(ClassName.DROPDOWN_MENU)) { const dropdownElement = $(element).closest(Selector.DROPDOWN)[0] if (dropdownElement) { const dropdownToggleList = [].slice.call(dropdownElement.querySelectorAll(Selector.DROPDOWN_TOGGLE)) $(dropdownToggleList).addClass(ClassName.ACTIVE) } element.setAttribute('aria-expanded', true) } if (callback) { callback() }
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} // Static static _jQueryInterface(config) { return this.each(function () { const $this = $(this) let data = $this.data(DATA_KEY) if (!data) { data = new Tab(this) $this.data(DATA_KEY, data) } if (typeof config === 'string') { if (typeof data[config] === 'undefined') { throw new TypeError(`No method named "${config}"`) } data[config]() } }) } } /** * ------------------------------------------------------------------------ * Data Api implementation * ------------------------------------------------------------------------ */ $(document) .on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) { event.preventDefault() Tab._jQueryInterface.call($(this), 'show') }) /** * ------------------------------------------------------------------------ * jQuery * ------------------------------------------------------------------------ */ $.fn[NAME] = Tab._jQueryInterface $.fn[NAME].Constructor = Tab $.fn[NAME].noConflict = () => { $.fn[NAME] = JQUERY_NO_CONFLICT return Tab._jQueryInterface } export default Tab