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return to the original file structure to avoid breaking modularity
This commit is contained in:
Johann-S
604
js/src/modal.js
Normal file
604
js/src/modal.js
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@@ -0,0 +1,604 @@
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/**
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* --------------------------------------------------------------------------
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* Bootstrap (v4.3.1): 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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import {
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getjQuery,
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TRANSITION_END,
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emulateTransitionEnd,
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getElementFromSelector,
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getTransitionDurationFromElement,
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isVisible,
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makeArray,
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reflow,
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typeCheckConfig
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} from './util/index'
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import Data from './dom/data'
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import EventHandler from './dom/event-handler'
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import Manipulator from './dom/manipulator'
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import SelectorEngine from './dom/selector-engine'
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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 = '4.3.1'
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const DATA_KEY = 'bs.modal'
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const EVENT_KEY = `.${DATA_KEY}`
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const DATA_API_KEY = '.data-api'
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const ESCAPE_KEYCODE = 27 // KeyboardEvent.which value for Escape (Esc) key
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const Default = {
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backdrop: true,
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keyboard: true,
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focus: true,
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show: true
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}
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const DefaultType = {
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backdrop: '(boolean|string)',
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keyboard: 'boolean',
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focus: 'boolean',
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show: 'boolean'
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}
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const Event = {
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HIDE: `hide${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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SCROLLABLE: 'modal-dialog-scrollable',
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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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MODAL_BODY: '.modal-body',
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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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}
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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 = SelectorEngine.findOne(Selector.DIALOG, element)
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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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Data.setData(element, DATA_KEY, this)
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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.classList.contains(ClassName.FADE)) {
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this._isTransitioning = true
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}
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const showEvent = EventHandler.trigger(this._element, Event.SHOW, {
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relatedTarget
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})
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if (this._isShown || showEvent.defaultPrevented) {
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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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EventHandler.on(this._element,
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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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EventHandler.on(this._dialog, Event.MOUSEDOWN_DISMISS, () => {
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EventHandler.one(this._element, Event.MOUSEUP_DISMISS, event => {
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if (event.target === 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 = EventHandler.trigger(this._element, Event.HIDE)
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if (hideEvent.defaultPrevented) {
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return
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}
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this._isShown = false
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const transition = this._element.classList.contains(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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EventHandler.off(document, Event.FOCUSIN)
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this._element.classList.remove(ClassName.SHOW)
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EventHandler.off(this._element, Event.CLICK_DISMISS)
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EventHandler.off(this._dialog, Event.MOUSEDOWN_DISMISS)
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if (transition) {
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const transitionDuration = getTransitionDurationFromElement(this._element)
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EventHandler.one(this._element, TRANSITION_END, event => this._hideModal(event))
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emulateTransitionEnd(this._element, 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 => EventHandler.off(htmlElement, 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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EventHandler.off(document, Event.FOCUSIN)
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Data.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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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 = this._element.classList.contains(ClassName.FADE)
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const modalBody = SelectorEngine.findOne(Selector.MODAL_BODY, this._dialog)
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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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if (this._dialog.classList.contains(ClassName.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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reflow(this._element)
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}
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this._element.classList.add(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 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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EventHandler.trigger(this._element, Event.SHOWN, {
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relatedTarget
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})
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}
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if (transition) {
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const transitionDuration = getTransitionDurationFromElement(this._dialog)
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EventHandler.one(this._dialog, TRANSITION_END, transitionComplete)
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emulateTransitionEnd(this._dialog, 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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EventHandler.off(document, Event.FOCUSIN) // guard against infinite focus loop
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EventHandler.on(document, 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.contains(event.target)) {
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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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EventHandler.on(this._element, 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 {
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EventHandler.off(this._element, 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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EventHandler.on(window, Event.RESIZE, () => this._adjustDialog())
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} else {
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EventHandler.off(window, 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._isTransitioning = false
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this._showBackdrop(() => {
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document.body.classList.remove(ClassName.OPEN)
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this._resetAdjustments()
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this._resetScrollbar()
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EventHandler.trigger(this._element, Event.HIDDEN)
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})
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}
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_removeBackdrop() {
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this._backdrop.parentNode.removeChild(this._backdrop)
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this._backdrop = null
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}
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_showBackdrop(callback) {
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const animate = this._element.classList.contains(ClassName.FADE) ?
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ClassName.FADE :
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''
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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 = ClassName.BACKDROP
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if (animate) {
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this._backdrop.classList.add(animate)
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}
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document.body.appendChild(this._backdrop)
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EventHandler.on(this._element, 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 (animate) {
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reflow(this._backdrop)
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}
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this._backdrop.classList.add(ClassName.SHOW)
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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 = getTransitionDurationFromElement(this._backdrop)
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EventHandler.one(this._backdrop, TRANSITION_END, callback)
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emulateTransitionEnd(this._backdrop, backdropTransitionDuration)
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} else if (!this._isShown && this._backdrop) {
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this._backdrop.classList.remove(ClassName.SHOW)
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const callbackRemove = () => {
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this._removeBackdrop()
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callback()
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}
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if (this._element.classList.contains(ClassName.FADE)) {
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const backdropTransitionDuration = getTransitionDurationFromElement(this._backdrop)
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EventHandler.one(this._backdrop, TRANSITION_END, callbackRemove)
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emulateTransitionEnd(this._backdrop, backdropTransitionDuration)
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} else {
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callbackRemove()
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}
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} else {
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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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// ----------------------------------------------------------------------
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||||
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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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if (!this._isBodyOverflowing && isModalOverflowing) {
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this._element.style.paddingLeft = `${this._scrollbarWidth}px`
|
||||
}
|
||||
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if (this._isBodyOverflowing && !isModalOverflowing) {
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this._element.style.paddingRight = `${this._scrollbarWidth}px`
|
||||
}
|
||||
}
|
||||
|
||||
_resetAdjustments() {
|
||||
this._element.style.paddingLeft = ''
|
||||
this._element.style.paddingRight = ''
|
||||
}
|
||||
|
||||
_checkScrollbar() {
|
||||
const rect = document.body.getBoundingClientRect()
|
||||
this._isBodyOverflowing = rect.left + rect.right < window.innerWidth
|
||||
this._scrollbarWidth = this._getScrollbarWidth()
|
||||
}
|
||||
|
||||
_setScrollbar() {
|
||||
if (this._isBodyOverflowing) {
|
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// Note: DOMNode.style.paddingRight returns the actual value or '' if not set
|
||||
// while $(DOMNode).css('padding-right') returns the calculated value or 0 if not set
|
||||
|
||||
// Adjust fixed content padding
|
||||
makeArray(SelectorEngine.find(Selector.FIXED_CONTENT))
|
||||
.forEach(element => {
|
||||
const actualPadding = element.style.paddingRight
|
||||
const calculatedPadding = window.getComputedStyle(element)['padding-right']
|
||||
Manipulator.setDataAttribute(element, 'padding-right', actualPadding)
|
||||
element.style.paddingRight = `${parseFloat(calculatedPadding) + this._scrollbarWidth}px`
|
||||
})
|
||||
|
||||
// Adjust sticky content margin
|
||||
makeArray(SelectorEngine.find(Selector.STICKY_CONTENT))
|
||||
.forEach(element => {
|
||||
const actualMargin = element.style.marginRight
|
||||
const calculatedMargin = window.getComputedStyle(element)['margin-right']
|
||||
Manipulator.setDataAttribute(element, 'margin-right', actualMargin)
|
||||
element.style.marginRight = `${parseFloat(calculatedMargin) - this._scrollbarWidth}px`
|
||||
})
|
||||
|
||||
// Adjust body padding
|
||||
const actualPadding = document.body.style.paddingRight
|
||||
const calculatedPadding = window.getComputedStyle(document.body)['padding-right']
|
||||
|
||||
Manipulator.setDataAttribute(document.body, 'padding-right', actualPadding)
|
||||
document.body.style.paddingRight = `${parseFloat(calculatedPadding) + this._scrollbarWidth}px`
|
||||
}
|
||||
|
||||
document.body.classList.add(ClassName.OPEN)
|
||||
}
|
||||
|
||||
_resetScrollbar() {
|
||||
// Restore fixed content padding
|
||||
makeArray(SelectorEngine.find(Selector.FIXED_CONTENT))
|
||||
.forEach(element => {
|
||||
const padding = Manipulator.getDataAttribute(element, 'padding-right')
|
||||
if (typeof padding !== 'undefined') {
|
||||
Manipulator.removeDataAttribute(element, 'padding-right')
|
||||
element.style.paddingRight = padding
|
||||
}
|
||||
})
|
||||
|
||||
// Restore sticky content and navbar-toggler margin
|
||||
makeArray(SelectorEngine.find(`${Selector.STICKY_CONTENT}`))
|
||||
.forEach(element => {
|
||||
const margin = Manipulator.getDataAttribute(element, 'margin-right')
|
||||
if (typeof margin !== 'undefined') {
|
||||
Manipulator.removeDataAttribute(element, 'margin-right')
|
||||
element.style.marginRight = margin
|
||||
}
|
||||
})
|
||||
|
||||
// Restore body padding
|
||||
const padding = Manipulator.getDataAttribute(document.body, 'padding-right')
|
||||
if (typeof padding === 'undefined') {
|
||||
document.body.style.paddingRight = ''
|
||||
} else {
|
||||
Manipulator.removeDataAttribute(document.body, 'padding-right')
|
||||
document.body.style.paddingRight = padding
|
||||
}
|
||||
}
|
||||
|
||||
_getScrollbarWidth() { // thx d.walsh
|
||||
const scrollDiv = document.createElement('div')
|
||||
scrollDiv.className = ClassName.SCROLLBAR_MEASURER
|
||||
document.body.appendChild(scrollDiv)
|
||||
const scrollbarWidth = scrollDiv.getBoundingClientRect().width - scrollDiv.clientWidth
|
||||
document.body.removeChild(scrollDiv)
|
||||
return scrollbarWidth
|
||||
}
|
||||
|
||||
// Static
|
||||
|
||||
static jQueryInterface(config, relatedTarget) {
|
||||
return this.each(function () {
|
||||
let data = Data.getData(this, DATA_KEY)
|
||||
const _config = {
|
||||
...Default,
|
||||
...Manipulator.getDataAttributes(this),
|
||||
...typeof config === 'object' && config ? config : {}
|
||||
}
|
||||
|
||||
if (!data) {
|
||||
data = new Modal(this, _config)
|
||||
}
|
||||
|
||||
if (typeof config === 'string') {
|
||||
if (typeof data[config] === 'undefined') {
|
||||
throw new TypeError(`No method named "${config}"`)
|
||||
}
|
||||
|
||||
data[config](relatedTarget)
|
||||
} else if (_config.show) {
|
||||
data.show(relatedTarget)
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
static getInstance(element) {
|
||||
return Data.getData(element, DATA_KEY)
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* ------------------------------------------------------------------------
|
||||
* Data Api implementation
|
||||
* ------------------------------------------------------------------------
|
||||
*/
|
||||
|
||||
EventHandler.on(document, Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
|
||||
const 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
|
||||
Reference in New Issue
Block a user