630 lines
17 KiB
JavaScript
630 lines
17 KiB
JavaScript
/**
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* --------------------------------------------------------------------------
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* Bootstrap (v4.6.0): modal.js
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* Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
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* --------------------------------------------------------------------------
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*/
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import $ from 'jquery'
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import Util from './util'
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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 = 'modal'
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const VERSION = '4.6.0'
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const DATA_KEY = 'bs.modal'
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const EVENT_KEY = `.${DATA_KEY}`
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const DATA_API_KEY = '.data-api'
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const JQUERY_NO_CONFLICT = $.fn[NAME]
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const ESCAPE_KEYCODE = 27 // KeyboardEvent.which value for Escape (Esc) key
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const Default = {
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backdrop: true,
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keyboard: true,
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focus: true,
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show: true
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}
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const DefaultType = {
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backdrop: '(boolean|string)',
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keyboard: 'boolean',
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focus: 'boolean',
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show: 'boolean'
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}
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const EVENT_HIDE = `hide${EVENT_KEY}`
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const EVENT_HIDE_PREVENTED = `hidePrevented${EVENT_KEY}`
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const EVENT_HIDDEN = `hidden${EVENT_KEY}`
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const EVENT_SHOW = `show${EVENT_KEY}`
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const EVENT_SHOWN = `shown${EVENT_KEY}`
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const EVENT_FOCUSIN = `focusin${EVENT_KEY}`
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const EVENT_RESIZE = `resize${EVENT_KEY}`
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const EVENT_CLICK_DISMISS = `click.dismiss${EVENT_KEY}`
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const EVENT_KEYDOWN_DISMISS = `keydown.dismiss${EVENT_KEY}`
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const EVENT_MOUSEUP_DISMISS = `mouseup.dismiss${EVENT_KEY}`
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const EVENT_MOUSEDOWN_DISMISS = `mousedown.dismiss${EVENT_KEY}`
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const EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`
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const CLASS_NAME_SCROLLABLE = 'modal-dialog-scrollable'
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const CLASS_NAME_SCROLLBAR_MEASURER = 'modal-scrollbar-measure'
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const CLASS_NAME_BACKDROP = 'modal-backdrop'
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const CLASS_NAME_OPEN = 'modal-open'
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const CLASS_NAME_FADE = 'fade'
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const CLASS_NAME_SHOW = 'show'
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const CLASS_NAME_STATIC = 'modal-static'
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const SELECTOR_DIALOG = '.modal-dialog'
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const SELECTOR_MODAL_BODY = '.modal-body'
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const SELECTOR_DATA_TOGGLE = '[data-toggle="modal"]'
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const SELECTOR_DATA_DISMISS = '[data-dismiss="modal"]'
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const SELECTOR_FIXED_CONTENT = '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top'
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const SELECTOR_STICKY_CONTENT = '.sticky-top'
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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 Modal {
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constructor(element, config) {
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this._config = this._getConfig(config)
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this._element = element
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this._dialog = element.querySelector(SELECTOR_DIALOG)
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this._backdrop = null
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this._isShown = false
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this._isBodyOverflowing = false
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this._ignoreBackdropClick = false
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this._isTransitioning = false
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this._scrollbarWidth = 0
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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(relatedTarget) {
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return this._isShown ? this.hide() : this.show(relatedTarget)
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}
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show(relatedTarget) {
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if (this._isShown || this._isTransitioning) {
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return
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}
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if ($(this._element).hasClass(CLASS_NAME_FADE)) {
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this._isTransitioning = true
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}
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const showEvent = $.Event(EVENT_SHOW, {
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relatedTarget
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})
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$(this._element).trigger(showEvent)
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if (this._isShown || showEvent.isDefaultPrevented()) {
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return
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}
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this._isShown = true
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this._checkScrollbar()
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this._setScrollbar()
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this._adjustDialog()
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this._setEscapeEvent()
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this._setResizeEvent()
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$(this._element).on(
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EVENT_CLICK_DISMISS,
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SELECTOR_DATA_DISMISS,
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event => this.hide(event)
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)
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$(this._dialog).on(EVENT_MOUSEDOWN_DISMISS, () => {
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$(this._element).one(EVENT_MOUSEUP_DISMISS, event => {
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if ($(event.target).is(this._element)) {
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this._ignoreBackdropClick = true
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}
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})
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})
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this._showBackdrop(() => this._showElement(relatedTarget))
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}
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hide(event) {
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if (event) {
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event.preventDefault()
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}
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if (!this._isShown || this._isTransitioning) {
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return
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}
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const hideEvent = $.Event(EVENT_HIDE)
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$(this._element).trigger(hideEvent)
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if (!this._isShown || hideEvent.isDefaultPrevented()) {
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return
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}
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this._isShown = false
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const transition = $(this._element).hasClass(CLASS_NAME_FADE)
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if (transition) {
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this._isTransitioning = true
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}
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this._setEscapeEvent()
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this._setResizeEvent()
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$(document).off(EVENT_FOCUSIN)
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$(this._element).removeClass(CLASS_NAME_SHOW)
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$(this._element).off(EVENT_CLICK_DISMISS)
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$(this._dialog).off(EVENT_MOUSEDOWN_DISMISS)
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if (transition) {
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const transitionDuration = Util.getTransitionDurationFromElement(this._element)
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$(this._element)
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.one(Util.TRANSITION_END, event => this._hideModal(event))
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.emulateTransitionEnd(transitionDuration)
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} else {
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this._hideModal()
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}
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}
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dispose() {
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[window, this._element, this._dialog]
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.forEach(htmlElement => $(htmlElement).off(EVENT_KEY))
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/**
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* `document` has 2 events `EVENT_FOCUSIN` and `EVENT_CLICK_DATA_API`
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* Do not move `document` in `htmlElements` array
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* It will remove `EVENT_CLICK_DATA_API` event that should remain
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*/
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$(document).off(EVENT_FOCUSIN)
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$.removeData(this._element, DATA_KEY)
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this._config = null
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this._element = null
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this._dialog = null
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this._backdrop = null
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this._isShown = null
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this._isBodyOverflowing = null
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this._ignoreBackdropClick = null
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this._isTransitioning = null
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this._scrollbarWidth = null
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}
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handleUpdate() {
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this._adjustDialog()
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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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Util.typeCheckConfig(NAME, config, DefaultType)
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return config
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}
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_triggerBackdropTransition() {
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const hideEventPrevented = $.Event(EVENT_HIDE_PREVENTED)
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$(this._element).trigger(hideEventPrevented)
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if (hideEventPrevented.isDefaultPrevented()) {
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return
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}
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const isModalOverflowing = this._element.scrollHeight > document.documentElement.clientHeight
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if (!isModalOverflowing) {
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this._element.style.overflowY = 'hidden'
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}
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this._element.classList.add(CLASS_NAME_STATIC)
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const modalTransitionDuration = Util.getTransitionDurationFromElement(this._dialog)
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$(this._element).off(Util.TRANSITION_END)
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$(this._element).one(Util.TRANSITION_END, () => {
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this._element.classList.remove(CLASS_NAME_STATIC)
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if (!isModalOverflowing) {
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$(this._element).one(Util.TRANSITION_END, () => {
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this._element.style.overflowY = ''
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})
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.emulateTransitionEnd(this._element, modalTransitionDuration)
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}
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})
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.emulateTransitionEnd(modalTransitionDuration)
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this._element.focus()
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}
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_showElement(relatedTarget) {
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const transition = $(this._element).hasClass(CLASS_NAME_FADE)
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const modalBody = this._dialog ? this._dialog.querySelector(SELECTOR_MODAL_BODY) : null
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if (!this._element.parentNode ||
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this._element.parentNode.nodeType !== Node.ELEMENT_NODE) {
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// Don't move modal's DOM position
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document.body.appendChild(this._element)
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}
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this._element.style.display = 'block'
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this._element.removeAttribute('aria-hidden')
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this._element.setAttribute('aria-modal', true)
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this._element.setAttribute('role', 'dialog')
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if ($(this._dialog).hasClass(CLASS_NAME_SCROLLABLE) && modalBody) {
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modalBody.scrollTop = 0
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} else {
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this._element.scrollTop = 0
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}
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if (transition) {
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Util.reflow(this._element)
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}
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$(this._element).addClass(CLASS_NAME_SHOW)
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if (this._config.focus) {
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this._enforceFocus()
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}
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const shownEvent = $.Event(EVENT_SHOWN, {
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relatedTarget
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})
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const transitionComplete = () => {
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if (this._config.focus) {
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this._element.focus()
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}
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this._isTransitioning = false
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$(this._element).trigger(shownEvent)
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}
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if (transition) {
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const transitionDuration = Util.getTransitionDurationFromElement(this._dialog)
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$(this._dialog)
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.one(Util.TRANSITION_END, transitionComplete)
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.emulateTransitionEnd(transitionDuration)
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} else {
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transitionComplete()
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}
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}
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_enforceFocus() {
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$(document)
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.off(EVENT_FOCUSIN) // Guard against infinite focus loop
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.on(EVENT_FOCUSIN, event => {
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if (document !== event.target &&
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this._element !== event.target &&
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$(this._element).has(event.target).length === 0) {
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this._element.focus()
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}
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})
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}
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_setEscapeEvent() {
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if (this._isShown) {
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$(this._element).on(EVENT_KEYDOWN_DISMISS, event => {
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if (this._config.keyboard && event.which === ESCAPE_KEYCODE) {
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event.preventDefault()
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this.hide()
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} else if (!this._config.keyboard && event.which === ESCAPE_KEYCODE) {
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this._triggerBackdropTransition()
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}
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})
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} else if (!this._isShown) {
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$(this._element).off(EVENT_KEYDOWN_DISMISS)
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}
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}
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_setResizeEvent() {
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if (this._isShown) {
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$(window).on(EVENT_RESIZE, event => this.handleUpdate(event))
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} else {
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$(window).off(EVENT_RESIZE)
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}
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}
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_hideModal() {
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this._element.style.display = 'none'
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this._element.setAttribute('aria-hidden', true)
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this._element.removeAttribute('aria-modal')
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this._element.removeAttribute('role')
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this._isTransitioning = false
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this._showBackdrop(() => {
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$(document.body).removeClass(CLASS_NAME_OPEN)
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this._resetAdjustments()
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this._resetScrollbar()
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$(this._element).trigger(EVENT_HIDDEN)
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})
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}
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_removeBackdrop() {
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if (this._backdrop) {
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$(this._backdrop).remove()
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this._backdrop = null
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}
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}
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_showBackdrop(callback) {
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const animate = $(this._element).hasClass(CLASS_NAME_FADE) ?
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CLASS_NAME_FADE : ''
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if (this._isShown && this._config.backdrop) {
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this._backdrop = document.createElement('div')
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this._backdrop.className = CLASS_NAME_BACKDROP
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if (animate) {
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this._backdrop.classList.add(animate)
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}
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$(this._backdrop).appendTo(document.body)
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$(this._element).on(EVENT_CLICK_DISMISS, event => {
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if (this._ignoreBackdropClick) {
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this._ignoreBackdropClick = false
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return
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}
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if (event.target !== event.currentTarget) {
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return
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}
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if (this._config.backdrop === 'static') {
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this._triggerBackdropTransition()
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} else {
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this.hide()
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}
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})
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if (animate) {
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Util.reflow(this._backdrop)
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}
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$(this._backdrop).addClass(CLASS_NAME_SHOW)
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if (!callback) {
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return
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}
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if (!animate) {
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callback()
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return
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}
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const backdropTransitionDuration = Util.getTransitionDurationFromElement(this._backdrop)
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$(this._backdrop)
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.one(Util.TRANSITION_END, callback)
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.emulateTransitionEnd(backdropTransitionDuration)
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} else if (!this._isShown && this._backdrop) {
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$(this._backdrop).removeClass(CLASS_NAME_SHOW)
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const callbackRemove = () => {
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this._removeBackdrop()
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if (callback) {
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callback()
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}
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}
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if ($(this._element).hasClass(CLASS_NAME_FADE)) {
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const backdropTransitionDuration = Util.getTransitionDurationFromElement(this._backdrop)
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$(this._backdrop)
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.one(Util.TRANSITION_END, callbackRemove)
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.emulateTransitionEnd(backdropTransitionDuration)
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} else {
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callbackRemove()
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}
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} else if (callback) {
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callback()
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}
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}
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// ----------------------------------------------------------------------
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// the following methods are used to handle overflowing modals
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// todo (fat): these should probably be refactored out of modal.js
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// ----------------------------------------------------------------------
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_adjustDialog() {
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const isModalOverflowing = this._element.scrollHeight > document.documentElement.clientHeight
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if (!this._isBodyOverflowing && isModalOverflowing) {
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this._element.style.paddingLeft = `${this._scrollbarWidth}px`
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}
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if (this._isBodyOverflowing && !isModalOverflowing) {
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this._element.style.paddingRight = `${this._scrollbarWidth}px`
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}
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}
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_resetAdjustments() {
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this._element.style.paddingLeft = ''
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this._element.style.paddingRight = ''
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}
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_checkScrollbar() {
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const rect = document.body.getBoundingClientRect()
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this._isBodyOverflowing = Math.round(rect.left + rect.right) < window.innerWidth
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this._scrollbarWidth = this._getScrollbarWidth()
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}
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_setScrollbar() {
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if (this._isBodyOverflowing) {
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// Note: DOMNode.style.paddingRight returns the actual value or '' if not set
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// while $(DOMNode).css('padding-right') returns the calculated value or 0 if not set
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const fixedContent = [].slice.call(document.querySelectorAll(SELECTOR_FIXED_CONTENT))
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const stickyContent = [].slice.call(document.querySelectorAll(SELECTOR_STICKY_CONTENT))
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// Adjust fixed content padding
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$(fixedContent).each((index, element) => {
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const actualPadding = element.style.paddingRight
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const calculatedPadding = $(element).css('padding-right')
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$(element)
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.data('padding-right', actualPadding)
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.css('padding-right', `${parseFloat(calculatedPadding) + this._scrollbarWidth}px`)
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})
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// Adjust sticky content margin
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$(stickyContent).each((index, element) => {
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const actualMargin = element.style.marginRight
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const calculatedMargin = $(element).css('margin-right')
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$(element)
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.data('margin-right', actualMargin)
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.css('margin-right', `${parseFloat(calculatedMargin) - this._scrollbarWidth}px`)
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})
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// Adjust body padding
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const actualPadding = document.body.style.paddingRight
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const calculatedPadding = $(document.body).css('padding-right')
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$(document.body)
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.data('padding-right', actualPadding)
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.css('padding-right', `${parseFloat(calculatedPadding) + this._scrollbarWidth}px`)
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}
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$(document.body).addClass(CLASS_NAME_OPEN)
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}
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_resetScrollbar() {
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// Restore fixed content padding
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const fixedContent = [].slice.call(document.querySelectorAll(SELECTOR_FIXED_CONTENT))
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$(fixedContent).each((index, element) => {
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const padding = $(element).data('padding-right')
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$(element).removeData('padding-right')
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element.style.paddingRight = padding ? padding : ''
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})
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// Restore sticky content
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const elements = [].slice.call(document.querySelectorAll(`${SELECTOR_STICKY_CONTENT}`))
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$(elements).each((index, element) => {
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const margin = $(element).data('margin-right')
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if (typeof margin !== 'undefined') {
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$(element).css('margin-right', margin).removeData('margin-right')
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}
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})
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// Restore body padding
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const padding = $(document.body).data('padding-right')
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$(document.body).removeData('padding-right')
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document.body.style.paddingRight = padding ? padding : ''
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}
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_getScrollbarWidth() { // thx d.walsh
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const scrollDiv = document.createElement('div')
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scrollDiv.className = CLASS_NAME_SCROLLBAR_MEASURER
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document.body.appendChild(scrollDiv)
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const scrollbarWidth = scrollDiv.getBoundingClientRect().width - scrollDiv.clientWidth
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document.body.removeChild(scrollDiv)
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return scrollbarWidth
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}
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// Static
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static _jQueryInterface(config, relatedTarget) {
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return this.each(function () {
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let data = $(this).data(DATA_KEY)
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const _config = {
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...Default,
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...$(this).data(),
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...(typeof config === 'object' && config ? config : {})
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}
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if (!data) {
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data = new Modal(this, _config)
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$(this).data(DATA_KEY, data)
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}
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if (typeof config === 'string') {
|
|
if (typeof data[config] === 'undefined') {
|
|
throw new TypeError(`No method named "${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)
|
|
})
|
|
|
|
/**
|
|
* ------------------------------------------------------------------------
|
|
* jQuery
|
|
* ------------------------------------------------------------------------
|
|
*/
|
|
|
|
$.fn[NAME] = Modal._jQueryInterface
|
|
$.fn[NAME].Constructor = Modal
|
|
$.fn[NAME].noConflict = () => {
|
|
$.fn[NAME] = JQUERY_NO_CONFLICT
|
|
return Modal._jQueryInterface
|
|
}
|
|
|
|
export default Modal
|