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Johann-S authored1ac07a66
/** * -------------------------------------------------------------------------- * Bootstrap (v4.3.1): modal.js * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) * -------------------------------------------------------------------------- */import { jQuery as $, TRANSITION_END, emulateTransitionEnd, getSelectorFromElement, getTransitionDurationFromElement, isVisible, makeArray, reflow, typeCheckConfig} from '../util/index'import Data from '../dom/data'import EventHandler from '../dom/event-handler'import Manipulator from '../dom/manipulator'import SelectorEngine from '../dom/selector-engine'/** * ------------------------------------------------------------------------ * Constants * ------------------------------------------------------------------------ */const NAME = 'modal'const VERSION = '4.3.1'const DATA_KEY = 'bs.modal'const EVENT_KEY = `.${DATA_KEY}`const DATA_API_KEY = '.data-api'const ESCAPE_KEYCODE = 27 // KeyboardEvent.which value for Escape (Esc) keyconst Default = { backdrop: true, keyboard: true, focus: true, show: true}const DefaultType = { backdrop: '(boolean|string)', keyboard: 'boolean', focus: 'boolean', show: 'boolean'}const Event = { HIDE: `hide${EVENT_KEY}`, HIDDEN: `hidden${EVENT_KEY}`, SHOW: `show${EVENT_KEY}`, SHOWN: `shown${EVENT_KEY}`, FOCUSIN: `focusin${EVENT_KEY}`, RESIZE: `resize${EVENT_KEY}`, CLICK_DISMISS: `click.dismiss${EVENT_KEY}`, KEYDOWN_DISMISS: `keydown.dismiss${EVENT_KEY}`, MOUSEUP_DISMISS: `mouseup.dismiss${EVENT_KEY}`, MOUSEDOWN_DISMISS: `mousedown.dismiss${EVENT_KEY}`, CLICK_DATA_API: `click${EVENT_KEY}${DATA_API_KEY}`}const ClassName = { SCROLLABLE: 'modal-dialog-scrollable', SCROLLBAR_MEASURER: 'modal-scrollbar-measure', BACKDROP: 'modal-backdrop', OPEN: 'modal-open', FADE: 'fade',7172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140
SHOW: 'show'
}
const Selector = {
DIALOG: '.modal-dialog',
MODAL_BODY: '.modal-body',
DATA_TOGGLE: '[data-toggle="modal"]',
DATA_DISMISS: '[data-dismiss="modal"]',
FIXED_CONTENT: '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top',
STICKY_CONTENT: '.sticky-top'
}
/**
* ------------------------------------------------------------------------
* Class Definition
* ------------------------------------------------------------------------
*/
class Modal {
constructor(element, config) {
this._config = this._getConfig(config)
this._element = element
this._dialog = SelectorEngine.findOne(Selector.DIALOG, element)
this._backdrop = null
this._isShown = false
this._isBodyOverflowing = false
this._ignoreBackdropClick = false
this._isTransitioning = false
this._scrollbarWidth = 0
Data.setData(element, DATA_KEY, this)
}
// Getters
static get VERSION() {
return VERSION
}
static get Default() {
return Default
}
// Public
toggle(relatedTarget) {
return this._isShown ? this.hide() : this.show(relatedTarget)
}
show(relatedTarget) {
if (this._isShown || this._isTransitioning) {
return
}
if (this._element.classList.contains(ClassName.FADE)) {
this._isTransitioning = true
}
const showEvent = EventHandler.trigger(this._element, Event.SHOW, {
relatedTarget
})
if (this._isShown || showEvent.defaultPrevented) {
return
}
this._isShown = true
this._checkScrollbar()
this._setScrollbar()
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this._adjustDialog()
this._setEscapeEvent()
this._setResizeEvent()
EventHandler.on(this._element,
Event.CLICK_DISMISS,
Selector.DATA_DISMISS,
event => this.hide(event)
)
EventHandler.on(this._dialog, Event.MOUSEDOWN_DISMISS, () => {
EventHandler.one(this._element, Event.MOUSEUP_DISMISS, event => {
if (event.target === this._element) {
this._ignoreBackdropClick = true
}
})
})
this._showBackdrop(() => this._showElement(relatedTarget))
}
hide(event) {
if (event) {
event.preventDefault()
}
if (!this._isShown || this._isTransitioning) {
return
}
const hideEvent = EventHandler.trigger(this._element, Event.HIDE)
if (hideEvent.defaultPrevented) {
return
}
this._isShown = false
const transition = this._element.classList.contains(ClassName.FADE)
if (transition) {
this._isTransitioning = true
}
this._setEscapeEvent()
this._setResizeEvent()
EventHandler.off(document, Event.FOCUSIN)
this._element.classList.remove(ClassName.SHOW)
EventHandler.off(this._element, Event.CLICK_DISMISS)
EventHandler.off(this._dialog, Event.MOUSEDOWN_DISMISS)
if (transition) {
const transitionDuration = getTransitionDurationFromElement(this._element)
EventHandler.one(this._element, TRANSITION_END, event => this._hideModal(event))
emulateTransitionEnd(this._element, transitionDuration)
} else {
this._hideModal()
}
}
dispose() {
[window, this._element, this._dialog]
.forEach(htmlElement => EventHandler.off(htmlElement, EVENT_KEY))
/**
* `document` has 2 events `Event.FOCUSIN` and `Event.CLICK_DATA_API`
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* Do not move `document` in `htmlElements` array
* It will remove `Event.CLICK_DATA_API` event that should remain
*/
EventHandler.off(document, Event.FOCUSIN)
Data.removeData(this._element, DATA_KEY)
this._config = null
this._element = null
this._dialog = null
this._backdrop = null
this._isShown = null
this._isBodyOverflowing = null
this._ignoreBackdropClick = null
this._isTransitioning = null
this._scrollbarWidth = null
}
handleUpdate() {
this._adjustDialog()
}
// Private
_getConfig(config) {
config = {
...Default,
...config
}
typeCheckConfig(NAME, config, DefaultType)
return config
}
_showElement(relatedTarget) {
const transition = this._element.classList.contains(ClassName.FADE)
if (!this._element.parentNode ||
this._element.parentNode.nodeType !== Node.ELEMENT_NODE) {
// Don't move modal's DOM position
document.body.appendChild(this._element)
}
this._element.style.display = 'block'
this._element.removeAttribute('aria-hidden')
this._element.setAttribute('aria-modal', true)
if (this._dialog.classList.contains(ClassName.SCROLLABLE)) {
SelectorEngine.findOne(Selector.MODAL_BODY, this._dialog).scrollTop = 0
} else {
this._element.scrollTop = 0
}
if (transition) {
reflow(this._element)
}
this._element.classList.add(ClassName.SHOW)
if (this._config.focus) {
this._enforceFocus()
}
const transitionComplete = () => {
if (this._config.focus) {
this._element.focus()
}
this._isTransitioning = false
EventHandler.trigger(this._element, Event.SHOWN, {
relatedTarget
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})
}
if (transition) {
const transitionDuration = getTransitionDurationFromElement(this._dialog)
EventHandler.one(this._dialog, TRANSITION_END, transitionComplete)
emulateTransitionEnd(this._dialog, transitionDuration)
} else {
transitionComplete()
}
}
_enforceFocus() {
EventHandler.off(document, Event.FOCUSIN) // guard against infinite focus loop
EventHandler.on(document, Event.FOCUSIN, event => {
if (document !== event.target &&
this._element !== event.target &&
!this._element.contains(event.target)) {
this._element.focus()
}
})
}
_setEscapeEvent() {
if (this._isShown && this._config.keyboard) {
EventHandler.on(this._element, Event.KEYDOWN_DISMISS, event => {
if (event.which === ESCAPE_KEYCODE) {
event.preventDefault()
this.hide()
}
})
} else {
EventHandler.off(this._element, Event.KEYDOWN_DISMISS)
}
}
_setResizeEvent() {
if (this._isShown) {
EventHandler.on(window, Event.RESIZE, () => this._adjustDialog())
} else {
EventHandler.off(window, Event.RESIZE)
}
}
_hideModal() {
this._element.style.display = 'none'
this._element.setAttribute('aria-hidden', true)
this._element.removeAttribute('aria-modal')
this._isTransitioning = false
this._showBackdrop(() => {
document.body.classList.remove(ClassName.OPEN)
this._resetAdjustments()
this._resetScrollbar()
EventHandler.trigger(this._element, Event.HIDDEN)
})
}
_removeBackdrop() {
this._backdrop.parentNode.removeChild(this._backdrop)
this._backdrop = null
}
_showBackdrop(callback) {
const animate = this._element.classList.contains(ClassName.FADE) ?
ClassName.FADE :
''
if (this._isShown && this._config.backdrop) {
this._backdrop = document.createElement('div')
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this._backdrop.className = ClassName.BACKDROP
if (animate) {
this._backdrop.classList.add(animate)
}
document.body.appendChild(this._backdrop)
EventHandler.on(this._element, Event.CLICK_DISMISS, event => {
if (this._ignoreBackdropClick) {
this._ignoreBackdropClick = false
return
}
if (event.target !== event.currentTarget) {
return
}
if (this._config.backdrop === 'static') {
this._element.focus()
} else {
this.hide()
}
})
if (animate) {
reflow(this._backdrop)
}
this._backdrop.classList.add(ClassName.SHOW)
if (!animate) {
callback()
return
}
const backdropTransitionDuration = getTransitionDurationFromElement(this._backdrop)
EventHandler.one(this._backdrop, TRANSITION_END, callback)
emulateTransitionEnd(this._backdrop, backdropTransitionDuration)
} else if (!this._isShown && this._backdrop) {
this._backdrop.classList.remove(ClassName.SHOW)
const callbackRemove = () => {
this._removeBackdrop()
callback()
}
if (this._element.classList.contains(ClassName.FADE)) {
const backdropTransitionDuration = getTransitionDurationFromElement(this._backdrop)
EventHandler.one(this._backdrop, TRANSITION_END, callbackRemove)
emulateTransitionEnd(this._backdrop, backdropTransitionDuration)
} else {
callbackRemove()
}
} else {
callback()
}
}
// ----------------------------------------------------------------------
// the following methods are used to handle overflowing modals
// ----------------------------------------------------------------------
_adjustDialog() {
const isModalOverflowing =
this._element.scrollHeight > document.documentElement.clientHeight
if (!this._isBodyOverflowing && isModalOverflowing) {
this._element.style.paddingLeft = `${this._scrollbarWidth}px`
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}
if (this._isBodyOverflowing && !isModalOverflowing) {
this._element.style.paddingRight = `${this._scrollbarWidth}px`
}
}
_resetAdjustments() {
this._element.style.paddingLeft = ''
this._element.style.paddingRight = ''
}
_checkScrollbar() {
const rect = document.body.getBoundingClientRect()
this._isBodyOverflowing = rect.left + rect.right < window.innerWidth
this._scrollbarWidth = this._getScrollbarWidth()
}
_setScrollbar() {
if (this._isBodyOverflowing) {
// Note: DOMNode.style.paddingRight returns the actual value or '' if not set
// while $(DOMNode).css('padding-right') returns the calculated value or 0 if not set
// Adjust fixed content padding
makeArray(SelectorEngine.find(Selector.FIXED_CONTENT))
.forEach(element => {
const actualPadding = element.style.paddingRight
const calculatedPadding = window.getComputedStyle(element)['padding-right']
Manipulator.setDataAttribute(element, 'padding-right', actualPadding)
element.style.paddingRight = `${parseFloat(calculatedPadding) + this._scrollbarWidth}px`
})
// Adjust sticky content margin
makeArray(SelectorEngine.find(Selector.STICKY_CONTENT))
.forEach(element => {
const actualMargin = element.style.marginRight
const calculatedMargin = window.getComputedStyle(element)['margin-right']
Manipulator.setDataAttribute(element, 'margin-right', actualMargin)
element.style.marginRight = `${parseFloat(calculatedMargin) - this._scrollbarWidth}px`
})
// Adjust body padding
const actualPadding = document.body.style.paddingRight
const calculatedPadding = window.getComputedStyle(document.body)['padding-right']
Manipulator.setDataAttribute(document.body, 'padding-right', actualPadding)
document.body.style.paddingRight = `${parseFloat(calculatedPadding) + this._scrollbarWidth}px`
}
document.body.classList.add(ClassName.OPEN)
}
_resetScrollbar() {
// Restore fixed content padding
makeArray(SelectorEngine.find(Selector.FIXED_CONTENT))
.forEach(element => {
const padding = Manipulator.getDataAttribute(element, 'padding-right')
if (typeof padding !== 'undefined') {
Manipulator.removeDataAttribute(element, 'padding-right')
element.style.paddingRight = padding
}
})
// Restore sticky content and navbar-toggler margin
makeArray(SelectorEngine.find(`${Selector.STICKY_CONTENT}`))
.forEach(element => {
const margin = Manipulator.getDataAttribute(element, 'margin-right')
if (typeof margin !== 'undefined') {
Manipulator.removeDataAttribute(element, 'margin-right')
element.style.marginRight = margin
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}
})
// Restore body padding
const padding = Manipulator.getDataAttribute(document.body, 'padding-right')
if (typeof padding === 'undefined') {
document.body.style.paddingRight = ''
} else {
Manipulator.removeDataAttribute(document.body, 'padding-right')
document.body.style.paddingRight = padding
}
}
_getScrollbarWidth() { // thx d.walsh
const scrollDiv = document.createElement('div')
scrollDiv.className = ClassName.SCROLLBAR_MEASURER
document.body.appendChild(scrollDiv)
const scrollbarWidth = scrollDiv.getBoundingClientRect().width - scrollDiv.clientWidth
document.body.removeChild(scrollDiv)
return scrollbarWidth
}
// Static
static _jQueryInterface(config, relatedTarget) {
return this.each(function () {
let data = Data.getData(this, DATA_KEY)
const _config = {
...Default,
...Manipulator.getDataAttributes(this),
...typeof config === 'object' && config ? config : {}
}
if (!data) {
data = new Modal(this, _config)
}
if (typeof config === 'string') {
if (typeof data[config] === 'undefined') {
throw new TypeError(`No method named "${config}"`)
}
data[config](relatedTarget)
} else if (_config.show) {
data.show(relatedTarget)
}
})
}
static _getInstance(element) {
return Data.getData(element, DATA_KEY)
}
}
/**
* ------------------------------------------------------------------------
* Data Api implementation
* ------------------------------------------------------------------------
*/
EventHandler.on(document, Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
const selector = getSelectorFromElement(this)
const target = SelectorEngine.findOne(selector)
if (this.tagName === 'A' || this.tagName === 'AREA') {
event.preventDefault()
}
EventHandler.one(target, Event.SHOW, showEvent => {
if (showEvent.defaultPrevented) {
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// only register focus restorer if modal will actually get shown
return
}
EventHandler.one(target, Event.HIDDEN, () => {
if (isVisible(this)) {
this.focus()
}
})
})
let data = Data.getData(target, DATA_KEY)
if (!data) {
const config = {
...Manipulator.getDataAttributes(target),
...Manipulator.getDataAttributes(this)
}
data = new Modal(target, config)
}
data.show(this)
})
/**
* ------------------------------------------------------------------------
* jQuery
* ------------------------------------------------------------------------
* add .modal to jQuery only if jQuery is present
*/
/* istanbul ignore if */
if (typeof $ !== 'undefined') {
const JQUERY_NO_CONFLICT = $.fn[NAME]
$.fn[NAME] = Modal._jQueryInterface
$.fn[NAME].Constructor = Modal
$.fn[NAME].noConflict = () => {
$.fn[NAME] = JQUERY_NO_CONFLICT
return Modal._jQueryInterface
}
}
export default Modal