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* --------------------------------------------------------------------------
* CoreUI (v3.3.0): modal.js
* Licensed under MIT (https://coreui.io/license)
*
* This component is a modified version of the Bootstrap's modal.js
* Bootstrap (v5.0.0): modal.js
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
* --------------------------------------------------------------------------
*/
import {
getjQuery,
TRANSITION_END,
emulateTransitionEnd,
getElementFromSelector,
getTransitionDurationFromElement,
isVisible,
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 = '3.2.2'
const DATA_KEY = 'coreui.modal'
const EVENT_KEY = `.${DATA_KEY}`
const DATA_API_KEY = '.data-api'
const ESCAPE_KEY = 'Escape'
const Default = {
backdrop: true,
keyboard: true,
focus: true,
show: true
}
const DefaultType = {
backdrop: '(boolean|string)',
keyboard: 'boolean',
focus: 'boolean',
show: 'boolean'
}
const EVENT_HIDE = `hide${EVENT_KEY}`
const EVENT_HIDE_PREVENTED = `hidePrevented${EVENT_KEY}`
const EVENT_HIDDEN = `hidden${EVENT_KEY}`
const EVENT_SHOW = `show${EVENT_KEY}`
const EVENT_SHOWN = `shown${EVENT_KEY}`
const EVENT_FOCUSIN = `focusin${EVENT_KEY}`
const EVENT_RESIZE = `resize${EVENT_KEY}`
const EVENT_CLICK_DISMISS = `click.dismiss${EVENT_KEY}`
const EVENT_KEYDOWN_DISMISS = `keydown.dismiss${EVENT_KEY}`
const EVENT_MOUSEUP_DISMISS = `mouseup.dismiss${EVENT_KEY}`
const EVENT_MOUSEDOWN_DISMISS = `mousedown.dismiss${EVENT_KEY}`
const EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`
const CLASS_NAME_SCROLLBAR_MEASURER = 'modal-scrollbar-measure'
const CLASS_NAME_BACKDROP = 'modal-backdrop'
const CLASS_NAME_OPEN = 'modal-open'
const CLASS_NAME_FADE = 'fade'
const CLASS_NAME_SHOW = 'show'
const CLASS_NAME_STATIC = 'modal-static'
const SELECTOR_DIALOG = '.modal-dialog'
const SELECTOR_MODAL_BODY = '.modal-body'
const SELECTOR_DATA_TOGGLE = '[data-toggle="modal"]'
const SELECTOR_DATA_DISMISS = '[data-dismiss="modal"]'
const SELECTOR_FIXED_CONTENT = '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top'
const SELECTOR_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(CLASS_NAME_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()
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(CLASS_NAME_FADE)
if (transition) {
this._isTransitioning = true
}
this._setEscapeEvent()
this._setResizeEvent()
EventHandler.off(document, EVENT_FOCUSIN)
this._element.classList.remove(CLASS_NAME_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`
* 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(CLASS_NAME_FADE)
const modalBody = SelectorEngine.findOne(SELECTOR_MODAL_BODY, this._dialog)
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)
this._element.setAttribute('role', 'dialog')
this._element.scrollTop = 0
if (modalBody) {
modalBody.scrollTop = 0
}
if (transition) {
reflow(this._element)
}
this._element.classList.add(CLASS_NAME_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
})
}
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 => {
Eif (document !== event.target &&
this._element !== event.target &&
!this._element.contains(event.target)) {
this._element.focus()
}
})
}
_setEscapeEvent() {
if (this._isShown) {
EventHandler.on(this._element, EVENT_KEYDOWN_DISMISS, event => {
if (this._config.keyboard && event.key === ESCAPE_KEY) {
event.preventDefault()
this.hide()
} else if (!this._config.keyboard && event.key === ESCAPE_KEY) {
this._triggerBackdropTransition()
}
})
} 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._element.removeAttribute('role')
this._isTransitioning = false
this._showBackdrop(() => {
document.body.classList.remove(CLASS_NAME_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(CLASS_NAME_FADE) ?
CLASS_NAME_FADE :
''
if (this._isShown && this._config.backdrop) {
this._backdrop = document.createElement('div')
this._backdrop.className = CLASS_NAME_BACKDROP
if (animate) {
this._backdrop.classList.add(animate)
}
document.body.appendChild(this._backdrop)
EventHandler.on(this._element, EVENT_CLICK_DISMISS, event => {
Iif (this._ignoreBackdropClick) {
this._ignoreBackdropClick = false
return
}
Iif (event.target !== event.currentTarget) {
return
}
this._triggerBackdropTransition()
})
if (animate) {
reflow(this._backdrop)
}
this._backdrop.classList.add(CLASS_NAME_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(CLASS_NAME_SHOW)
const callbackRemove = () => {
this._removeBackdrop()
callback()
}
if (this._element.classList.contains(CLASS_NAME_FADE)) {
const backdropTransitionDuration = getTransitionDurationFromElement(this._backdrop)
EventHandler.one(this._backdrop, TRANSITION_END, callbackRemove)
emulateTransitionEnd(this._backdrop, backdropTransitionDuration)
} else {
callbackRemove()
}
} else {
callback()
}
}
_triggerBackdropTransition() {
if (this._config.backdrop === 'static') {
const hideEvent = EventHandler.trigger(this._element, EVENT_HIDE_PREVENTED)
Iif (hideEvent.defaultPrevented) {
return
}
const isModalOverflowing = this._element.scrollHeight > document.documentElement.clientHeight
Eif (!isModalOverflowing) {
this._element.style.overflowY = 'hidden'
}
this._element.classList.add(CLASS_NAME_STATIC)
const modalTransitionDuration = getTransitionDurationFromElement(this._dialog)
EventHandler.off(this._element, TRANSITION_END)
EventHandler.one(this._element, TRANSITION_END, () => {
this._element.classList.remove(CLASS_NAME_STATIC)
Eif (!isModalOverflowing) {
EventHandler.one(this._element, TRANSITION_END, () => {
this._element.style.overflowY = ''
})
emulateTransitionEnd(this._element, modalTransitionDuration)
}
})
emulateTransitionEnd(this._element, modalTransitionDuration)
this._element.focus()
} else {
this.hide()
}
}
// ----------------------------------------------------------------------
// the following methods are used to handle overflowing modals
// ----------------------------------------------------------------------
_adjustDialog() {
const isModalOverflowing =
this._element.scrollHeight > document.documentElement.clientHeight
Iif (!this._isBodyOverflowing && isModalOverflowing) {
this._element.style.paddingLeft = `${this._scrollbarWidth}px`
}
if (this._isBodyOverflowing && !isModalOverflowing) {
this._element.style.paddingRight = `${this._scrollbarWidth}px`
}
}
_resetAdjustments() {
this._element.style.paddingLeft = ''
this._element.style.paddingRight = ''
}
_checkScrollbar() {
const rect = document.body.getBoundingClientRect()
this._isBodyOverflowing = Math.round(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 $(DOMNode).css('padding-right') returns the calculated value or 0 if not set
// Adjust fixed content padding
SelectorEngine.find(SELECTOR_FIXED_CONTENT)
.forEach(element => {
const actualPadding = element.style.paddingRight
const calculatedPadding = window.getComputedStyle(element)['padding-right']
Manipulator.setDataAttribute(element, 'padding-right', actualPadding)
element.style.paddingRight = `${parseFloat(calculatedPadding) + this._scrollbarWidth}px`
})
// Adjust sticky content margin
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(CLASS_NAME_OPEN)
}
_resetScrollbar() {
// Restore fixed content padding
SelectorEngine.find(SELECTOR_FIXED_CONTENT)
.forEach(element => {
const padding = Manipulator.getDataAttribute(element, 'padding-right')
Eif (typeof padding !== 'undefined') {
Manipulator.removeDataAttribute(element, 'padding-right')
element.style.paddingRight = padding
}
})
// Restore sticky content and navbar-toggler margin
SelectorEngine.find(`${SELECTOR_STICKY_CONTENT}`)
.forEach(element => {
const margin = Manipulator.getDataAttribute(element, 'margin-right')
Eif (typeof margin !== 'undefined') {
Manipulator.removeDataAttribute(element, 'margin-right')
element.style.marginRight = margin
}
})
// Restore body padding
const padding = Manipulator.getDataAttribute(document.body, 'padding-right')
Iif (typeof padding === 'undefined') {
document.body.style.paddingRight = ''
} else {
Manipulator.removeDataAttribute(document.body, 'padding-right')
document.body.style.paddingRight = padding
}
}
_getScrollbarWidth() { // thx d.walsh
const scrollDiv = document.createElement('div')
scrollDiv.className = CLASS_NAME_SCROLLBAR_MEASURER
document.body.appendChild(scrollDiv)
const scrollbarWidth = scrollDiv.getBoundingClientRect().width - scrollDiv.clientWidth
document.body.removeChild(scrollDiv)
return scrollbarWidth
}
// Static
static jQueryInterface(config, relatedTarget) {
return this.each(function () {
let data = Data.getData(this, DATA_KEY)
const _config = {
...Default,
...Manipulator.getDataAttributes(this),
...(typeof config === 'object' && config ? config : {})
}
if (!data) {
data = new Modal(this, _config)
}
if (typeof config === 'string') {
if (typeof data[config] === 'undefined') {
throw new TypeError(`No method named "${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 target = getElementFromSelector(this)
if (this.tagName === 'A' || this.tagName === 'AREA') {
event.preventDefault()
}
EventHandler.one(target, EVENT_SHOW, showEvent => {
if (showEvent.defaultPrevented) {
// 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)
})
const $ = getjQuery()
/**
* ------------------------------------------------------------------------
* jQuery
* ------------------------------------------------------------------------
* add .modal to jQuery only if jQuery is present
*/
/* istanbul ignore if */
if ($) {
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
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