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* --------------------------------------------------------------------------
* CoreUI (v3.3.0): collapse.js
* Licensed under MIT (https://coreui.io/license)
*
* This component is a modified version of the Bootstrap's collapse.js
* Bootstrap (v5.0.0): collapse.js
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
* --------------------------------------------------------------------------
*/
import {
getjQuery,
TRANSITION_END,
emulateTransitionEnd,
getSelectorFromElement,
getElementFromSelector,
getTransitionDurationFromElement,
isElement,
reflow,
typeCheckConfig
} from './util/index'
import Data from './dom/data'
import EventHandler from './dom/event-handler'
import Manipulator from './dom/manipulator'
import SelectorEngine from './dom/selector-engine'
/**
* ------------------------------------------------------------------------
* Constants
* ------------------------------------------------------------------------
*/
const NAME = 'collapse'
const VERSION = '3.2.2'
const DATA_KEY = 'coreui.collapse'
const EVENT_KEY = `.${DATA_KEY}`
const DATA_API_KEY = '.data-api'
const Default = {
toggle: true,
parent: ''
}
const DefaultType = {
toggle: 'boolean',
parent: '(string|element)'
}
const EVENT_SHOW = `show${EVENT_KEY}`
const EVENT_SHOWN = `shown${EVENT_KEY}`
const EVENT_HIDE = `hide${EVENT_KEY}`
const EVENT_HIDDEN = `hidden${EVENT_KEY}`
const EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`
const CLASS_NAME_SHOW = 'show'
const CLASS_NAME_COLLAPSE = 'collapse'
const CLASS_NAME_COLLAPSING = 'collapsing'
const CLASS_NAME_COLLAPSED = 'collapsed'
const WIDTH = 'width'
const HEIGHT = 'height'
const SELECTOR_ACTIVES = '.show, .collapsing'
const SELECTOR_DATA_TOGGLE = '[data-toggle="collapse"]'
/**
* ------------------------------------------------------------------------
* Class Definition
* ------------------------------------------------------------------------
*/
class Collapse {
constructor(element, config) {
this._isTransitioning = false
this._element = element
this._config = this._getConfig(config)
this._triggerArray = SelectorEngine.find(
`${SELECTOR_DATA_TOGGLE}[href="#${element.id}"],` +
`${SELECTOR_DATA_TOGGLE}[data-target="#${element.id}"]`
)
const toggleList = SelectorEngine.find(SELECTOR_DATA_TOGGLE)
for (let i = 0, len = toggleList.length; i < len; i++) {
const elem = toggleList[i]
const selector = getSelectorFromElement(elem)
const filterElement = SelectorEngine.find(selector)
.filter(foundElem => foundElem === element)
if (selector !== null && filterElement.length) {
this._selector = selector
this._triggerArray.push(elem)
}
}
this._parent = this._config.parent ? this._getParent() : null
if (!this._config.parent) {
this._addAriaAndCollapsedClass(this._element, this._triggerArray)
}
if (this._config.toggle) {
this.toggle()
}
Data.setData(element, DATA_KEY, this)
}
// Getters
static get VERSION() {
return VERSION
}
static get Default() {
return Default
}
// Public
toggle() {
if (this._element.classList.contains(CLASS_NAME_SHOW)) {
this.hide()
} else {
this.show()
}
}
show() {
if (this._isTransitioning ||
this._element.classList.contains(CLASS_NAME_SHOW)) {
return
}
let actives
let activesData
if (this._parent) {
actives = SelectorEngine.find(SELECTOR_ACTIVES, this._parent)
.filter(elem => {
if (typeof this._config.parent === 'string') {
return elem.getAttribute('data-parent') === this._config.parent
}
return elem.classList.contains(CLASS_NAME_COLLAPSE)
})
if (actives.length === 0) {
actives = null
}
}
const container = SelectorEngine.findOne(this._selector)
if (actives) {
const tempActiveData = actives.filter(elem => container !== elem)
activesData = tempActiveData[0] ? Data.getData(tempActiveData[0], DATA_KEY) : null
Iif (activesData && activesData._isTransitioning) {
return
}
}
const startEvent = EventHandler.trigger(this._element, EVENT_SHOW)
if (startEvent.defaultPrevented) {
return
}
if (actives) {
actives.forEach(elemActive => {
if (container !== elemActive) {
Collapse.collapseInterface(elemActive, 'hide')
}
if (!activesData) {
Data.setData(elemActive, DATA_KEY, null)
}
})
}
const dimension = this._getDimension()
this._element.classList.remove(CLASS_NAME_COLLAPSE)
this._element.classList.add(CLASS_NAME_COLLAPSING)
this._element.style[dimension] = 0
if (this._triggerArray.length) {
this._triggerArray.forEach(element => {
element.classList.remove(CLASS_NAME_COLLAPSED)
element.setAttribute('aria-expanded', true)
})
}
this.setTransitioning(true)
const complete = () => {
this._element.classList.remove(CLASS_NAME_COLLAPSING)
this._element.classList.add(CLASS_NAME_COLLAPSE, CLASS_NAME_SHOW)
this._element.style[dimension] = ''
this.setTransitioning(false)
EventHandler.trigger(this._element, EVENT_SHOWN)
}
const capitalizedDimension = dimension[0].toUpperCase() + dimension.slice(1)
const scrollSize = `scroll${capitalizedDimension}`
const transitionDuration = getTransitionDurationFromElement(this._element)
EventHandler.one(this._element, TRANSITION_END, complete)
emulateTransitionEnd(this._element, transitionDuration)
this._element.style[dimension] = `${this._element[scrollSize]}px`
}
hide() {
if (this._isTransitioning ||
!this._element.classList.contains(CLASS_NAME_SHOW)) {
return
}
const startEvent = EventHandler.trigger(this._element, EVENT_HIDE)
if (startEvent.defaultPrevented) {
return
}
const dimension = this._getDimension()
this._element.style[dimension] = `${this._element.getBoundingClientRect()[dimension]}px`
reflow(this._element)
this._element.classList.add(CLASS_NAME_COLLAPSING)
this._element.classList.remove(CLASS_NAME_COLLAPSE, CLASS_NAME_SHOW)
const triggerArrayLength = this._triggerArray.length
if (triggerArrayLength > 0) {
for (let i = 0; i < triggerArrayLength; i++) {
const trigger = this._triggerArray[i]
const elem = getElementFromSelector(trigger)
if (elem && !elem.classList.contains(CLASS_NAME_SHOW)) {
trigger.classList.add(CLASS_NAME_COLLAPSED)
trigger.setAttribute('aria-expanded', false)
}
}
}
this.setTransitioning(true)
const complete = () => {
this.setTransitioning(false)
this._element.classList.remove(CLASS_NAME_COLLAPSING)
this._element.classList.add(CLASS_NAME_COLLAPSE)
EventHandler.trigger(this._element, EVENT_HIDDEN)
}
this._element.style[dimension] = ''
const transitionDuration = getTransitionDurationFromElement(this._element)
EventHandler.one(this._element, TRANSITION_END, complete)
emulateTransitionEnd(this._element, transitionDuration)
}
setTransitioning(isTransitioning) {
this._isTransitioning = isTransitioning
}
dispose() {
Data.removeData(this._element, DATA_KEY)
this._config = null
this._parent = null
this._element = null
this._triggerArray = null
this._isTransitioning = null
}
// Private
_getConfig(config) {
config = {
...Default,
...config
}
config.toggle = Boolean(config.toggle) // Coerce string values
typeCheckConfig(NAME, config, DefaultType)
return config
}
_getDimension() {
return this._element.classList.contains(WIDTH) ? WIDTH : HEIGHT
}
_getParent() {
let { parent } = this._config
if (isElement(parent)) {
// it's a jQuery object
if (typeof parent.jquery !== 'undefined' || typeof parent[0] !== 'undefined') {
parent = parent[0]
}
} else {
parent = SelectorEngine.findOne(parent)
}
const selector = `${SELECTOR_DATA_TOGGLE}[data-parent="${parent}"]`
SelectorEngine.find(selector, parent)
.forEach(element => {
const selected = getElementFromSelector(element)
this._addAriaAndCollapsedClass(
selected,
[element]
)
})
return parent
}
_addAriaAndCollapsedClass(element, triggerArray) {
if (!element || !triggerArray.length) {
return
}
const isOpen = element.classList.contains(CLASS_NAME_SHOW)
triggerArray.forEach(elem => {
if (isOpen) {
elem.classList.remove(CLASS_NAME_COLLAPSED)
} else {
elem.classList.add(CLASS_NAME_COLLAPSED)
}
elem.setAttribute('aria-expanded', isOpen)
})
}
// Static
static collapseInterface(element, config) {
let data = Data.getData(element, DATA_KEY)
const _config = {
...Default,
...Manipulator.getDataAttributes(element),
...(typeof config === 'object' && config ? config : {})
}
if (!data && _config.toggle && typeof config === 'string' && /show|hide/.test(config)) {
_config.toggle = false
}
if (!data) {
data = new Collapse(element, _config)
}
if (typeof config === 'string') {
if (typeof data[config] === 'undefined') {
throw new TypeError(`No method named "${config}"`)
}
data[config]()
}
}
static jQueryInterface(config) {
return this.each(function () {
Collapse.collapseInterface(this, config)
})
}
static getInstance(element) {
return Data.getData(element, DATA_KEY)
}
}
/**
* ------------------------------------------------------------------------
* Data Api implementation
* ------------------------------------------------------------------------
*/
EventHandler.on(document, EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {
// preventDefault only for <a> elements (which change the URL) not inside the collapsible element
if (event.target.tagName === 'A') {
event.preventDefault()
}
const triggerData = Manipulator.getDataAttributes(this)
const selector = getSelectorFromElement(this)
const selectorElements = SelectorEngine.find(selector)
selectorElements.forEach(element => {
const data = Data.getData(element, DATA_KEY)
let config
if (data) {
// update parent attribute
Iif (data._parent === null && typeof triggerData.parent === 'string') {
data._config.parent = triggerData.parent
data._parent = data._getParent()
}
config = 'toggle'
} else {
config = triggerData
}
Collapse.collapseInterface(element, config)
})
})
const $ = getjQuery()
/**
* ------------------------------------------------------------------------
* jQuery
* ------------------------------------------------------------------------
* add .collapse to jQuery only if jQuery is present
*/
/* istanbul ignore if */
if ($) {
const JQUERY_NO_CONFLICT = $.fn[NAME]
$.fn[NAME] = Collapse.jQueryInterface
$.fn[NAME].Constructor = Collapse
$.fn[NAME].noConflict = () => {
$.fn[NAME] = JQUERY_NO_CONFLICT
return Collapse.jQueryInterface
}
}
export default Collapse
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