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https://github.com/twbs/bootstrap.git
synced 2025-09-28 14:29:07 +02:00
return to the original file structure to avoid breaking modularity
This commit is contained in:
Johann-S
441
js/src/collapse.js
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441
js/src/collapse.js
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@@ -0,0 +1,441 @@
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/**
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* --------------------------------------------------------------------------
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* Bootstrap (v4.3.1): collapse.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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import {
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getjQuery,
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TRANSITION_END,
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emulateTransitionEnd,
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getSelectorFromElement,
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getElementFromSelector,
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getTransitionDurationFromElement,
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isElement,
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makeArray,
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reflow,
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typeCheckConfig
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} from './util/index'
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import Data from './dom/data'
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import EventHandler from './dom/event-handler'
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import Manipulator from './dom/manipulator'
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import SelectorEngine from './dom/selector-engine'
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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 = 'collapse'
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const VERSION = '4.3.1'
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const DATA_KEY = 'bs.collapse'
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const EVENT_KEY = `.${DATA_KEY}`
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const DATA_API_KEY = '.data-api'
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const Default = {
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toggle: true,
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parent: ''
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}
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const DefaultType = {
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toggle: 'boolean',
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parent: '(string|element)'
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}
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const Event = {
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SHOW: `show${EVENT_KEY}`,
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SHOWN: `shown${EVENT_KEY}`,
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HIDE: `hide${EVENT_KEY}`,
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HIDDEN: `hidden${EVENT_KEY}`,
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CLICK_DATA_API: `click${EVENT_KEY}${DATA_API_KEY}`
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}
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const ClassName = {
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SHOW: 'show',
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COLLAPSE: 'collapse',
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COLLAPSING: 'collapsing',
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COLLAPSED: 'collapsed'
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}
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const Dimension = {
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WIDTH: 'width',
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HEIGHT: 'height'
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}
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const Selector = {
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ACTIVES: '.show, .collapsing',
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DATA_TOGGLE: '[data-toggle="collapse"]'
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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 Collapse {
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constructor(element, config) {
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this._isTransitioning = false
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this._element = element
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this._config = this._getConfig(config)
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this._triggerArray = makeArray(SelectorEngine.find(
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`[data-toggle="collapse"][href="#${element.id}"],` +
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`[data-toggle="collapse"][data-target="#${element.id}"]`
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))
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const toggleList = makeArray(SelectorEngine.find(Selector.DATA_TOGGLE))
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for (let i = 0, len = toggleList.length; i < len; i++) {
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const elem = toggleList[i]
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const selector = getSelectorFromElement(elem)
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const filterElement = makeArray(SelectorEngine.find(selector))
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.filter(foundElem => foundElem === element)
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if (selector !== null && filterElement.length) {
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this._selector = selector
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this._triggerArray.push(elem)
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}
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}
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this._parent = this._config.parent ? this._getParent() : null
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if (!this._config.parent) {
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this._addAriaAndCollapsedClass(this._element, this._triggerArray)
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}
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if (this._config.toggle) {
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this.toggle()
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}
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Data.setData(element, DATA_KEY, this)
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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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static get Default() {
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return Default
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}
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// Public
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toggle() {
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if (this._element.classList.contains(ClassName.SHOW)) {
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this.hide()
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} else {
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this.show()
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}
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}
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show() {
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if (this._isTransitioning ||
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this._element.classList.contains(ClassName.SHOW)) {
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return
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}
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let actives
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let activesData
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if (this._parent) {
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actives = makeArray(SelectorEngine.find(Selector.ACTIVES, this._parent))
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.filter(elem => {
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if (typeof this._config.parent === 'string') {
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return elem.getAttribute('data-parent') === this._config.parent
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}
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return elem.classList.contains(ClassName.COLLAPSE)
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})
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if (actives.length === 0) {
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actives = null
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}
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}
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const container = SelectorEngine.findOne(this._selector)
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if (actives) {
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const tempActiveData = actives.filter(elem => container !== elem)
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activesData = tempActiveData[0] ? Data.getData(tempActiveData[0], DATA_KEY) : null
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if (activesData && activesData._isTransitioning) {
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return
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}
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}
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const startEvent = EventHandler.trigger(this._element, Event.SHOW)
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if (startEvent.defaultPrevented) {
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return
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}
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if (actives) {
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actives.forEach(elemActive => {
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if (container !== elemActive) {
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Collapse.collapseInterface(elemActive, 'hide')
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}
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if (!activesData) {
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Data.setData(elemActive, DATA_KEY, null)
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}
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})
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}
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const dimension = this._getDimension()
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this._element.classList.remove(ClassName.COLLAPSE)
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this._element.classList.add(ClassName.COLLAPSING)
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this._element.style[dimension] = 0
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if (this._triggerArray.length) {
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this._triggerArray.forEach(element => {
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element.classList.remove(ClassName.COLLAPSED)
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element.setAttribute('aria-expanded', true)
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})
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}
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this.setTransitioning(true)
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const complete = () => {
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this._element.classList.remove(ClassName.COLLAPSING)
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this._element.classList.add(ClassName.COLLAPSE)
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this._element.classList.add(ClassName.SHOW)
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this._element.style[dimension] = ''
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this.setTransitioning(false)
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EventHandler.trigger(this._element, Event.SHOWN)
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}
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const capitalizedDimension = dimension[0].toUpperCase() + dimension.slice(1)
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const scrollSize = `scroll${capitalizedDimension}`
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const transitionDuration = getTransitionDurationFromElement(this._element)
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EventHandler.one(this._element, TRANSITION_END, complete)
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emulateTransitionEnd(this._element, transitionDuration)
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this._element.style[dimension] = `${this._element[scrollSize]}px`
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}
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hide() {
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if (this._isTransitioning ||
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!this._element.classList.contains(ClassName.SHOW)) {
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return
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}
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const startEvent = EventHandler.trigger(this._element, Event.HIDE)
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if (startEvent.defaultPrevented) {
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return
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}
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const dimension = this._getDimension()
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this._element.style[dimension] = `${this._element.getBoundingClientRect()[dimension]}px`
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reflow(this._element)
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this._element.classList.add(ClassName.COLLAPSING)
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this._element.classList.remove(ClassName.COLLAPSE)
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this._element.classList.remove(ClassName.SHOW)
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const triggerArrayLength = this._triggerArray.length
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if (triggerArrayLength > 0) {
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for (let i = 0; i < triggerArrayLength; i++) {
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const trigger = this._triggerArray[i]
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const elem = getElementFromSelector(trigger)
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if (elem && !elem.classList.contains(ClassName.SHOW)) {
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trigger.classList.add(ClassName.COLLAPSED)
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trigger.setAttribute('aria-expanded', false)
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}
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}
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}
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this.setTransitioning(true)
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const complete = () => {
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this.setTransitioning(false)
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this._element.classList.remove(ClassName.COLLAPSING)
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this._element.classList.add(ClassName.COLLAPSE)
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EventHandler.trigger(this._element, Event.HIDDEN)
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}
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this._element.style[dimension] = ''
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const transitionDuration = getTransitionDurationFromElement(this._element)
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EventHandler.one(this._element, TRANSITION_END, complete)
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emulateTransitionEnd(this._element, transitionDuration)
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}
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setTransitioning(isTransitioning) {
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this._isTransitioning = isTransitioning
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}
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dispose() {
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Data.removeData(this._element, DATA_KEY)
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this._config = null
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this._parent = null
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this._element = null
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this._triggerArray = null
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this._isTransitioning = null
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}
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// Private
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_getConfig(config) {
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config = {
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...Default,
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...config
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}
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config.toggle = Boolean(config.toggle) // Coerce string values
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typeCheckConfig(NAME, config, DefaultType)
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return config
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}
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_getDimension() {
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const hasWidth = this._element.classList.contains(Dimension.WIDTH)
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return hasWidth ? Dimension.WIDTH : Dimension.HEIGHT
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}
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_getParent() {
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let { parent } = this._config
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if (isElement(parent)) {
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// it's a jQuery object
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if (typeof parent.jquery !== 'undefined' || typeof parent[0] !== 'undefined') {
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parent = parent[0]
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}
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} else {
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parent = SelectorEngine.findOne(parent)
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}
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const selector = `[data-toggle="collapse"][data-parent="${parent}"]`
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makeArray(SelectorEngine.find(selector, parent))
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.forEach(element => {
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const selected = getElementFromSelector(element)
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this._addAriaAndCollapsedClass(
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selected,
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[element]
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)
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})
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return parent
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}
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_addAriaAndCollapsedClass(element, triggerArray) {
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if (element) {
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const isOpen = element.classList.contains(ClassName.SHOW)
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if (triggerArray.length) {
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triggerArray.forEach(elem => {
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if (isOpen) {
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elem.classList.remove(ClassName.COLLAPSED)
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} else {
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elem.classList.add(ClassName.COLLAPSED)
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}
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elem.setAttribute('aria-expanded', isOpen)
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})
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}
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}
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}
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// Static
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static collapseInterface(element, config) {
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let data = Data.getData(element, DATA_KEY)
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const _config = {
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...Default,
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...Manipulator.getDataAttributes(element),
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...typeof config === 'object' && config ? config : {}
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}
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if (!data && _config.toggle && /show|hide/.test(config)) {
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_config.toggle = false
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}
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if (!data) {
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data = new Collapse(element, _config)
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}
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if (typeof config === 'string') {
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if (typeof data[config] === 'undefined') {
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throw new TypeError(`No method named "${config}"`)
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}
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data[config]()
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}
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}
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static jQueryInterface(config) {
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return this.each(function () {
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Collapse.collapseInterface(this, config)
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})
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}
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static getInstance(element) {
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return Data.getData(element, DATA_KEY)
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}
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}
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/**
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* ------------------------------------------------------------------------
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* Data Api implementation
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* ------------------------------------------------------------------------
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*/
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EventHandler.on(document, Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
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// preventDefault only for <a> elements (which change the URL) not inside the collapsible element
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if (event.target.tagName === 'A') {
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event.preventDefault()
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}
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const triggerData = Manipulator.getDataAttributes(this)
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const selector = getSelectorFromElement(this)
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const selectorElements = makeArray(SelectorEngine.find(selector))
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selectorElements.forEach(element => {
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const data = Data.getData(element, DATA_KEY)
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let config
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if (data) {
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// update parent attribute
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if (data._parent === null && typeof triggerData.parent === 'string') {
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data._config.parent = triggerData.parent
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data._parent = data._getParent()
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}
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config = 'toggle'
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} else {
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config = triggerData
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}
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Collapse.collapseInterface(element, config)
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})
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})
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const $ = getjQuery()
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/**
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* ------------------------------------------------------------------------
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* jQuery
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* ------------------------------------------------------------------------
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* add .collapse to jQuery only if jQuery is present
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*/
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/* istanbul ignore if */
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if ($) {
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const JQUERY_NO_CONFLICT = $.fn[NAME]
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$.fn[NAME] = Collapse.jQueryInterface
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$.fn[NAME].Constructor = Collapse
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$.fn[NAME].noConflict = () => {
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$.fn[NAME] = JQUERY_NO_CONFLICT
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return Collapse.jQueryInterface
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}
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}
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export default Collapse
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Reference in New Issue
Block a user