579 lines
16 KiB
JavaScript
579 lines
16 KiB
JavaScript
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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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* Bootstrap (v4.0.0): modal.js
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* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
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* --------------------------------------------------------------------------
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*/
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const Modal = (($) => {
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/**
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* ------------------------------------------------------------------------
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* Constants
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* ------------------------------------------------------------------------
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*/
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const NAME = 'modal'
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const VERSION = '4.0.0'
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const DATA_KEY = 'bs.modal'
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const EVENT_KEY = `.${DATA_KEY}`
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const DATA_API_KEY = '.data-api'
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const JQUERY_NO_CONFLICT = $.fn[NAME]
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const TRANSITION_DURATION = 300
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const BACKDROP_TRANSITION_DURATION = 150
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const ESCAPE_KEYCODE = 27 // KeyboardEvent.which value for Escape (Esc) key
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const Default = {
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backdrop : true,
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keyboard : true,
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focus : true,
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show : true
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}
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const DefaultType = {
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backdrop : '(boolean|string)',
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keyboard : 'boolean',
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focus : 'boolean',
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show : 'boolean'
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}
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const Event = {
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HIDE : `hide${EVENT_KEY}`,
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HIDDEN : `hidden${EVENT_KEY}`,
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SHOW : `show${EVENT_KEY}`,
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SHOWN : `shown${EVENT_KEY}`,
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FOCUSIN : `focusin${EVENT_KEY}`,
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RESIZE : `resize${EVENT_KEY}`,
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CLICK_DISMISS : `click.dismiss${EVENT_KEY}`,
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KEYDOWN_DISMISS : `keydown.dismiss${EVENT_KEY}`,
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MOUSEUP_DISMISS : `mouseup.dismiss${EVENT_KEY}`,
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MOUSEDOWN_DISMISS : `mousedown.dismiss${EVENT_KEY}`,
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CLICK_DATA_API : `click${EVENT_KEY}${DATA_API_KEY}`
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}
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const ClassName = {
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SCROLLBAR_MEASURER : 'modal-scrollbar-measure',
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BACKDROP : 'modal-backdrop',
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OPEN : 'modal-open',
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FADE : 'fade',
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SHOW : 'show'
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}
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const Selector = {
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DIALOG : '.modal-dialog',
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DATA_TOGGLE : '[data-toggle="modal"]',
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DATA_DISMISS : '[data-dismiss="modal"]',
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FIXED_CONTENT : '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top',
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STICKY_CONTENT : '.sticky-top',
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NAVBAR_TOGGLER : '.navbar-toggler'
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}
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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).find(Selector.DIALOG)[0]
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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._originalBodyPadding = 0
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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._isTransitioning || this._isShown) {
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return
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}
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if (Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.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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$(document.body).addClass(ClassName.OPEN)
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this._setEscapeEvent()
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this._setResizeEvent()
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$(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._isTransitioning || !this._isShown) {
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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 = Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE)
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if (transition) {
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this._isTransitioning = true
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}
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this._setEscapeEvent()
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this._setResizeEvent()
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$(document).off(Event.FOCUSIN)
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$(this._element).removeClass(ClassName.SHOW)
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$(this._element).off(Event.CLICK_DISMISS)
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$(this._dialog).off(Event.MOUSEDOWN_DISMISS)
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if (transition) {
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$(this._element)
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.one(Util.TRANSITION_END, (event) => this._hideModal(event))
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.emulateTransitionEnd(TRANSITION_DURATION)
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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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$.removeData(this._element, DATA_KEY)
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$(window, document, this._element, this._backdrop).off(EVENT_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._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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_showElement(relatedTarget) {
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const transition = Util.supportsTransitionEnd() &&
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$(this._element).hasClass(ClassName.FADE)
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if (!this._element.parentNode ||
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this._element.parentNode.nodeType !== Node.ELEMENT_NODE) {
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// Don't move modal's DOM position
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document.body.appendChild(this._element)
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}
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this._element.style.display = 'block'
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this._element.removeAttribute('aria-hidden')
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this._element.scrollTop = 0
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if (transition) {
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Util.reflow(this._element)
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}
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$(this._element).addClass(ClassName.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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$(this._dialog)
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.one(Util.TRANSITION_END, transitionComplete)
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.emulateTransitionEnd(TRANSITION_DURATION)
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} else {
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transitionComplete()
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}
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}
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_enforceFocus() {
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$(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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$(this._element).has(event.target).length === 0) {
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this._element.focus()
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}
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})
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}
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_setEscapeEvent() {
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if (this._isShown && this._config.keyboard) {
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$(this._element).on(Event.KEYDOWN_DISMISS, (event) => {
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if (event.which === ESCAPE_KEYCODE) {
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event.preventDefault()
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this.hide()
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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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$(window).off(Event.RESIZE)
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}
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}
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_hideModal() {
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this._element.style.display = 'none'
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this._element.setAttribute('aria-hidden', true)
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this._isTransitioning = false
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this._showBackdrop(() => {
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$(document.body).removeClass(ClassName.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 = $(this._element).hasClass(ClassName.FADE)
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? ClassName.FADE : ''
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if (this._isShown && this._config.backdrop) {
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const doAnimate = Util.supportsTransitionEnd() && animate
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this._backdrop = document.createElement('div')
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this._backdrop.className = ClassName.BACKDROP
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if (animate) {
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$(this._backdrop).addClass(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._element.focus()
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} else {
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this.hide()
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}
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})
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if (doAnimate) {
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Util.reflow(this._backdrop)
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}
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$(this._backdrop).addClass(ClassName.SHOW)
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if (!callback) {
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return
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}
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if (!doAnimate) {
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callback()
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return
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}
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$(this._backdrop)
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.one(Util.TRANSITION_END, callback)
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.emulateTransitionEnd(BACKDROP_TRANSITION_DURATION)
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} else if (!this._isShown && this._backdrop) {
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$(this._backdrop).removeClass(ClassName.SHOW)
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const callbackRemove = () => {
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this._removeBackdrop()
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if (callback) {
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callback()
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}
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||
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}
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||
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if (Util.supportsTransitionEnd() &&
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$(this._element).hasClass(ClassName.FADE)) {
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$(this._backdrop)
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.one(Util.TRANSITION_END, callbackRemove)
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.emulateTransitionEnd(BACKDROP_TRANSITION_DURATION)
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} else {
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callbackRemove()
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}
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} else if (callback) {
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callback()
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}
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||
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}
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||
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// ----------------------------------------------------------------------
|
||
|
|
// the following methods are used to handle overflowing modals
|
||
|
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// todo (fat): these should probably be refactored out of modal.js
|
||
|
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// ----------------------------------------------------------------------
|
||
|
|
|
||
|
|
_adjustDialog() {
|
||
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const isModalOverflowing =
|
||
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this._element.scrollHeight > document.documentElement.clientHeight
|
||
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|
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if (!this._isBodyOverflowing && isModalOverflowing) {
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||
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this._element.style.paddingLeft = `${this._scrollbarWidth}px`
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||
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}
|
||
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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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||
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}
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||
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|
||
|
|
_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
|
||
|
|
$(Selector.FIXED_CONTENT).each((index, element) => {
|
||
|
|
const actualPadding = $(element)[0].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
|
||
|
|
$(Selector.STICKY_CONTENT).each((index, element) => {
|
||
|
|
const actualMargin = $(element)[0].style.marginRight
|
||
|
|
const calculatedMargin = $(element).css('margin-right')
|
||
|
|
$(element).data('margin-right', actualMargin).css('margin-right', `${parseFloat(calculatedMargin) - this._scrollbarWidth}px`)
|
||
|
|
})
|
||
|
|
|
||
|
|
// Adjust navbar-toggler margin
|
||
|
|
$(Selector.NAVBAR_TOGGLER).each((index, element) => {
|
||
|
|
const actualMargin = $(element)[0].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 = $('body').css('padding-right')
|
||
|
|
$('body').data('padding-right', actualPadding).css('padding-right', `${parseFloat(calculatedPadding) + this._scrollbarWidth}px`)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
_resetScrollbar() {
|
||
|
|
// Restore fixed content padding
|
||
|
|
$(Selector.FIXED_CONTENT).each((index, element) => {
|
||
|
|
const padding = $(element).data('padding-right')
|
||
|
|
if (typeof padding !== 'undefined') {
|
||
|
|
$(element).css('padding-right', padding).removeData('padding-right')
|
||
|
|
}
|
||
|
|
})
|
||
|
|
|
||
|
|
// Restore sticky content and navbar-toggler margin
|
||
|
|
$(`${Selector.STICKY_CONTENT}, ${Selector.NAVBAR_TOGGLER}`).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 = $('body').data('padding-right')
|
||
|
|
if (typeof padding !== 'undefined') {
|
||
|
|
$('body').css('padding-right', padding).removeData('padding-right')
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
_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 = $(this).data(DATA_KEY)
|
||
|
|
const _config = {
|
||
|
|
...Modal.Default,
|
||
|
|
...$(this).data(),
|
||
|
|
...typeof config === 'object' && 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 = $(selector)[0]
|
||
|
|
}
|
||
|
|
|
||
|
|
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 = function () {
|
||
|
|
$.fn[NAME] = JQUERY_NO_CONFLICT
|
||
|
|
return Modal._jQueryInterface
|
||
|
|
}
|
||
|
|
|
||
|
|
return Modal
|
||
|
|
})($)
|
||
|
|
|
||
|
|
export default Modal
|