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Mark Otto authored3b558734
import $ from 'jquery'import Util from './util'/** * -------------------------------------------------------------------------- * Bootstrap (v4.1.3): modal.js * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE) * -------------------------------------------------------------------------- */const Modal = (($) => { /** * ------------------------------------------------------------------------ * Constants * ------------------------------------------------------------------------ */ const NAME = 'modal' const VERSION = '4.1.3' const DATA_KEY = 'bs.modal' const EVENT_KEY = `.${DATA_KEY}` const DATA_API_KEY = '.data-api' const JQUERY_NO_CONFLICT = $.fn[NAME] const ESCAPE_KEYCODE = 27 // KeyboardEvent.which value for Escape (Esc) key const Default = { backdrop : true, keyboard : true, focus : true, show : true } const DefaultType = { backdrop : '(boolean|string)', keyboard : 'boolean', focus : 'boolean', show : 'boolean' } const Event = { HIDE : `hide${EVENT_KEY}`, 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}${DATA_API_KEY}` } const ClassName = { SCROLLBAR_MEASURER : 'modal-scrollbar-measure', BACKDROP : 'modal-backdrop', OPEN : 'modal-open', FADE : 'fade', SHOW : 'show' } const Selector = { DIALOG : '.modal-dialog', DATA_TOGGLE : '[data-toggle="modal"]', DATA_DISMISS : '[data-dismiss="modal"]', FIXED_CONTENT : '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top', STICKY_CONTENT : '.sticky-top' } /**7172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140
* ------------------------------------------------------------------------
* Class Definition
* ------------------------------------------------------------------------
*/
class Modal {
constructor(element, config) {
this._config = this._getConfig(config)
this._element = element
this._dialog = element.querySelector(Selector.DIALOG)
this._backdrop = null
this._isShown = false
this._isBodyOverflowing = false
this._ignoreBackdropClick = false
this._scrollbarWidth = 0
}
// Getters
static get VERSION() {
return VERSION
}
static get Default() {
return Default
}
// Public
toggle(relatedTarget) {
return this._isShown ? this.hide() : this.show(relatedTarget)
}
show(relatedTarget) {
if (this._isTransitioning || this._isShown) {
return
}
if ($(this._element).hasClass(ClassName.FADE)) {
this._isTransitioning = true
}
const showEvent = $.Event(Event.SHOW, {
relatedTarget
})
$(this._element).trigger(showEvent)
if (this._isShown || showEvent.isDefaultPrevented()) {
return
}
this._isShown = true
this._checkScrollbar()
this._setScrollbar()
this._adjustDialog()
$(document.body).addClass(ClassName.OPEN)
this._setEscapeEvent()
this._setResizeEvent()
$(this._element).on(
Event.CLICK_DISMISS,
Selector.DATA_DISMISS,
(event) => this.hide(event)
)
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$(this._dialog).on(Event.MOUSEDOWN_DISMISS, () => {
$(this._element).one(Event.MOUSEUP_DISMISS, (event) => {
if ($(event.target).is(this._element)) {
this._ignoreBackdropClick = true
}
})
})
this._showBackdrop(() => this._showElement(relatedTarget))
}
hide(event) {
if (event) {
event.preventDefault()
}
if (this._isTransitioning || !this._isShown) {
return
}
const hideEvent = $.Event(Event.HIDE)
$(this._element).trigger(hideEvent)
if (!this._isShown || hideEvent.isDefaultPrevented()) {
return
}
this._isShown = false
const transition = $(this._element).hasClass(ClassName.FADE)
if (transition) {
this._isTransitioning = true
}
this._setEscapeEvent()
this._setResizeEvent()
$(document).off(Event.FOCUSIN)
$(this._element).removeClass(ClassName.SHOW)
$(this._element).off(Event.CLICK_DISMISS)
$(this._dialog).off(Event.MOUSEDOWN_DISMISS)
if (transition) {
const transitionDuration = Util.getTransitionDurationFromElement(this._element)
$(this._element)
.one(Util.TRANSITION_END, (event) => this._hideModal(event))
.emulateTransitionEnd(transitionDuration)
} else {
this._hideModal()
}
}
dispose() {
$.removeData(this._element, DATA_KEY)
$(window, document, this._element, this._backdrop).off(EVENT_KEY)
this._config = null
this._element = null
this._dialog = null
this._backdrop = null
this._isShown = null
this._isBodyOverflowing = null
this._ignoreBackdropClick = null
this._scrollbarWidth = null
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}
handleUpdate() {
this._adjustDialog()
}
// Private
_getConfig(config) {
config = {
...Default,
...config
}
Util.typeCheckConfig(NAME, config, DefaultType)
return config
}
_showElement(relatedTarget) {
const transition = $(this._element).hasClass(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.scrollTop = 0
if (transition) {
Util.reflow(this._element)
}
$(this._element).addClass(ClassName.SHOW)
if (this._config.focus) {
this._enforceFocus()
}
const shownEvent = $.Event(Event.SHOWN, {
relatedTarget
})
const transitionComplete = () => {
if (this._config.focus) {
this._element.focus()
}
this._isTransitioning = false
$(this._element).trigger(shownEvent)
}
if (transition) {
const transitionDuration = Util.getTransitionDurationFromElement(this._element)
$(this._dialog)
.one(Util.TRANSITION_END, transitionComplete)
.emulateTransitionEnd(transitionDuration)
} else {
transitionComplete()
}
}
_enforceFocus() {
$(document)
.off(Event.FOCUSIN) // Guard against infinite focus loop
.on(Event.FOCUSIN, (event) => {
if (document !== event.target &&
this._element !== event.target &&
$(this._element).has(event.target).length === 0) {
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this._element.focus()
}
})
}
_setEscapeEvent() {
if (this._isShown && this._config.keyboard) {
$(this._element).on(Event.KEYDOWN_DISMISS, (event) => {
if (event.which === ESCAPE_KEYCODE) {
event.preventDefault()
this.hide()
}
})
} else if (!this._isShown) {
$(this._element).off(Event.KEYDOWN_DISMISS)
}
}
_setResizeEvent() {
if (this._isShown) {
$(window).on(Event.RESIZE, (event) => this.handleUpdate(event))
} else {
$(window).off(Event.RESIZE)
}
}
_hideModal() {
this._element.style.display = 'none'
this._element.setAttribute('aria-hidden', true)
this._isTransitioning = false
this._showBackdrop(() => {
$(document.body).removeClass(ClassName.OPEN)
this._resetAdjustments()
this._resetScrollbar()
$(this._element).trigger(Event.HIDDEN)
})
}
_removeBackdrop() {
if (this._backdrop) {
$(this._backdrop).remove()
this._backdrop = null
}
}
_showBackdrop(callback) {
const animate = $(this._element).hasClass(ClassName.FADE)
? ClassName.FADE : ''
if (this._isShown && this._config.backdrop) {
this._backdrop = document.createElement('div')
this._backdrop.className = ClassName.BACKDROP
if (animate) {
this._backdrop.classList.add(animate)
}
$(this._backdrop).appendTo(document.body)
$(this._element).on(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 {
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this.hide()
}
})
if (animate) {
Util.reflow(this._backdrop)
}
$(this._backdrop).addClass(ClassName.SHOW)
if (!callback) {
return
}
if (!animate) {
callback()
return
}
const backdropTransitionDuration = Util.getTransitionDurationFromElement(this._backdrop)
$(this._backdrop)
.one(Util.TRANSITION_END, callback)
.emulateTransitionEnd(backdropTransitionDuration)
} else if (!this._isShown && this._backdrop) {
$(this._backdrop).removeClass(ClassName.SHOW)
const callbackRemove = () => {
this._removeBackdrop()
if (callback) {
callback()
}
}
if ($(this._element).hasClass(ClassName.FADE)) {
const backdropTransitionDuration = Util.getTransitionDurationFromElement(this._backdrop)
$(this._backdrop)
.one(Util.TRANSITION_END, callbackRemove)
.emulateTransitionEnd(backdropTransitionDuration)
} else {
callbackRemove()
}
} else if (callback) {
callback()
}
}
// ----------------------------------------------------------------------
// the following methods are used to handle overflowing modals
// todo (fat): these should probably be refactored out of modal.js
// ----------------------------------------------------------------------
_adjustDialog() {
const isModalOverflowing =
this._element.scrollHeight > document.documentElement.clientHeight
if (!this._isBodyOverflowing && isModalOverflowing) {
this._element.style.paddingLeft = `${this._scrollbarWidth}px`
}
if (this._isBodyOverflowing && !isModalOverflowing) {
this._element.style.paddingRight = `${this._scrollbarWidth}px`
}
}
_resetAdjustments() {
this._element.style.paddingLeft = ''
this._element.style.paddingRight = ''
}
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_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
const fixedContent = [].slice.call(document.querySelectorAll(Selector.FIXED_CONTENT))
const stickyContent = [].slice.call(document.querySelectorAll(Selector.STICKY_CONTENT))
// Adjust fixed content padding
$(fixedContent).each((index, element) => {
const actualPadding = element.style.paddingRight
const calculatedPadding = $(element).css('padding-right')
$(element)
.data('padding-right', actualPadding)
.css('padding-right', `${parseFloat(calculatedPadding) + this._scrollbarWidth}px`)
})
// Adjust sticky content margin
$(stickyContent).each((index, element) => {
const actualMargin = element.style.marginRight
const calculatedMargin = $(element).css('margin-right')
$(element)
.data('margin-right', actualMargin)
.css('margin-right', `${parseFloat(calculatedMargin) - this._scrollbarWidth}px`)
})
// Adjust body padding
const actualPadding = document.body.style.paddingRight
const calculatedPadding = $(document.body).css('padding-right')
$(document.body)
.data('padding-right', actualPadding)
.css('padding-right', `${parseFloat(calculatedPadding) + this._scrollbarWidth}px`)
}
}
_resetScrollbar() {
// Restore fixed content padding
const fixedContent = [].slice.call(document.querySelectorAll(Selector.FIXED_CONTENT))
$(fixedContent).each((index, element) => {
const padding = $(element).data('padding-right')
$(element).removeData('padding-right')
element.style.paddingRight = padding ? padding : ''
})
// Restore sticky content
const elements = [].slice.call(document.querySelectorAll(`${Selector.STICKY_CONTENT}`))
$(elements).each((index, element) => {
const margin = $(element).data('margin-right')
if (typeof margin !== 'undefined') {
$(element).css('margin-right', margin).removeData('margin-right')
}
})
// Restore body padding
const padding = $(document.body).data('padding-right')
$(document.body).removeData('padding-right')
document.body.style.paddingRight = padding ? 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
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document.body.removeChild(scrollDiv)
return scrollbarWidth
}
// Static
static _jQueryInterface(config, relatedTarget) {
return this.each(function () {
let data = $(this).data(DATA_KEY)
const _config = {
...Default,
...$(this).data(),
...typeof config === 'object' && config ? config : {}
}
if (!data) {
data = new Modal(this, _config)
$(this).data(DATA_KEY, data)
}
if (typeof config === 'string') {
if (typeof data[config] === 'undefined') {
throw new TypeError(`No method named "${config}"`)
}
data[config](relatedTarget)
} else if (_config.show) {
data.show(relatedTarget)
}
})
}
}
/**
* ------------------------------------------------------------------------
* Data Api implementation
* ------------------------------------------------------------------------
*/
$(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
let target
const selector = Util.getSelectorFromElement(this)
if (selector) {
target = document.querySelector(selector)
}
const config = $(target).data(DATA_KEY)
? 'toggle' : {
...$(target).data(),
...$(this).data()
}
if (this.tagName === 'A' || this.tagName === 'AREA') {
event.preventDefault()
}
const $target = $(target).one(Event.SHOW, (showEvent) => {
if (showEvent.isDefaultPrevented()) {
// Only register focus restorer if modal will actually get shown
return
}
$target.one(Event.HIDDEN, () => {
if ($(this).is(':visible')) {
this.focus()
}
})
})
Modal._jQueryInterface.call($(target), config, this)
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})
/**
* ------------------------------------------------------------------------
* jQuery
* ------------------------------------------------------------------------
*/
$.fn[NAME] = Modal._jQueryInterface
$.fn[NAME].Constructor = Modal
$.fn[NAME].noConflict = function () {
$.fn[NAME] = JQUERY_NO_CONFLICT
return Modal._jQueryInterface
}
return Modal
})($)
export default Modal