2 import Util from './util'
5 * --------------------------------------------------------------------------
6 * Bootstrap (v4.1.3): modal.js
7 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
8 * --------------------------------------------------------------------------
11 const Modal = (($) => {
13 * ------------------------------------------------------------------------
15 * ------------------------------------------------------------------------
19 const VERSION = '4.1.3'
20 const DATA_KEY = 'bs.modal'
21 const EVENT_KEY = `.${DATA_KEY}`
22 const DATA_API_KEY = '.data-api'
23 const JQUERY_NO_CONFLICT = $.fn[NAME]
24 const ESCAPE_KEYCODE = 27 // KeyboardEvent.which value for Escape (Esc) key
34 backdrop : '(boolean|string)',
41 HIDE : `hide${EVENT_KEY}`,
42 HIDDEN : `hidden${EVENT_KEY}`,
43 SHOW : `show${EVENT_KEY}`,
44 SHOWN : `shown${EVENT_KEY}`,
45 FOCUSIN : `focusin${EVENT_KEY}`,
46 RESIZE : `resize${EVENT_KEY}`,
47 CLICK_DISMISS : `click.dismiss${EVENT_KEY}`,
48 KEYDOWN_DISMISS : `keydown.dismiss${EVENT_KEY}`,
49 MOUSEUP_DISMISS : `mouseup.dismiss${EVENT_KEY}`,
50 MOUSEDOWN_DISMISS : `mousedown.dismiss${EVENT_KEY}`,
51 CLICK_DATA_API : `click${EVENT_KEY}${DATA_API_KEY}`
55 SCROLLBAR_MEASURER : 'modal-scrollbar-measure',
56 BACKDROP : 'modal-backdrop',
63 DIALOG : '.modal-dialog',
64 DATA_TOGGLE : '[data-toggle="modal"]',
65 DATA_DISMISS : '[data-dismiss="modal"]',
66 FIXED_CONTENT : '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top',
67 STICKY_CONTENT : '.sticky-top'
71 * ------------------------------------------------------------------------
73 * ------------------------------------------------------------------------
77 constructor(element, config) {
78 this._config = this._getConfig(config)
79 this._element = element
80 this._dialog = element.querySelector(Selector.DIALOG)
83 this._isBodyOverflowing = false
84 this._ignoreBackdropClick = false
85 this._scrollbarWidth = 0
90 static get VERSION() {
94 static get Default() {
100 toggle(relatedTarget) {
101 return this._isShown ? this.hide() : this.show(relatedTarget)
104 show(relatedTarget) {
105 if (this._isTransitioning || this._isShown) {
109 if ($(this._element).hasClass(ClassName.FADE)) {
110 this._isTransitioning = true
113 const showEvent = $.Event(Event.SHOW, {
117 $(this._element).trigger(showEvent)
119 if (this._isShown || showEvent.isDefaultPrevented()) {
125 this._checkScrollbar()
130 $(document.body).addClass(ClassName.OPEN)
132 this._setEscapeEvent()
133 this._setResizeEvent()
137 Selector.DATA_DISMISS,
138 (event) => this.hide(event)
141 $(this._dialog).on(Event.MOUSEDOWN_DISMISS, () => {
142 $(this._element).one(Event.MOUSEUP_DISMISS, (event) => {
143 if ($(event.target).is(this._element)) {
144 this._ignoreBackdropClick = true
149 this._showBackdrop(() => this._showElement(relatedTarget))
154 event.preventDefault()
157 if (this._isTransitioning || !this._isShown) {
161 const hideEvent = $.Event(Event.HIDE)
163 $(this._element).trigger(hideEvent)
165 if (!this._isShown || hideEvent.isDefaultPrevented()) {
169 this._isShown = false
170 const transition = $(this._element).hasClass(ClassName.FADE)
173 this._isTransitioning = true
176 this._setEscapeEvent()
177 this._setResizeEvent()
179 $(document).off(Event.FOCUSIN)
181 $(this._element).removeClass(ClassName.SHOW)
183 $(this._element).off(Event.CLICK_DISMISS)
184 $(this._dialog).off(Event.MOUSEDOWN_DISMISS)
188 const transitionDuration = Util.getTransitionDurationFromElement(this._element)
191 .one(Util.TRANSITION_END, (event) => this._hideModal(event))
192 .emulateTransitionEnd(transitionDuration)
199 $.removeData(this._element, DATA_KEY)
201 $(window, document, this._element, this._backdrop).off(EVENT_KEY)
206 this._backdrop = null
208 this._isBodyOverflowing = null
209 this._ignoreBackdropClick = null
210 this._scrollbarWidth = null
224 Util.typeCheckConfig(NAME, config, DefaultType)
228 _showElement(relatedTarget) {
229 const transition = $(this._element).hasClass(ClassName.FADE)
231 if (!this._element.parentNode ||
232 this._element.parentNode.nodeType !== Node.ELEMENT_NODE) {
233 // Don't move modal's DOM position
234 document.body.appendChild(this._element)
237 this._element.style.display = 'block'
238 this._element.removeAttribute('aria-hidden')
239 this._element.scrollTop = 0
242 Util.reflow(this._element)
245 $(this._element).addClass(ClassName.SHOW)
247 if (this._config.focus) {
251 const shownEvent = $.Event(Event.SHOWN, {
255 const transitionComplete = () => {
256 if (this._config.focus) {
257 this._element.focus()
259 this._isTransitioning = false
260 $(this._element).trigger(shownEvent)
264 const transitionDuration = Util.getTransitionDurationFromElement(this._element)
267 .one(Util.TRANSITION_END, transitionComplete)
268 .emulateTransitionEnd(transitionDuration)
276 .off(Event.FOCUSIN) // Guard against infinite focus loop
277 .on(Event.FOCUSIN, (event) => {
278 if (document !== event.target &&
279 this._element !== event.target &&
280 $(this._element).has(event.target).length === 0) {
281 this._element.focus()
287 if (this._isShown && this._config.keyboard) {
288 $(this._element).on(Event.KEYDOWN_DISMISS, (event) => {
289 if (event.which === ESCAPE_KEYCODE) {
290 event.preventDefault()
294 } else if (!this._isShown) {
295 $(this._element).off(Event.KEYDOWN_DISMISS)
301 $(window).on(Event.RESIZE, (event) => this.handleUpdate(event))
303 $(window).off(Event.RESIZE)
308 this._element.style.display = 'none'
309 this._element.setAttribute('aria-hidden', true)
310 this._isTransitioning = false
311 this._showBackdrop(() => {
312 $(document.body).removeClass(ClassName.OPEN)
313 this._resetAdjustments()
314 this._resetScrollbar()
315 $(this._element).trigger(Event.HIDDEN)
320 if (this._backdrop) {
321 $(this._backdrop).remove()
322 this._backdrop = null
326 _showBackdrop(callback) {
327 const animate = $(this._element).hasClass(ClassName.FADE)
328 ? ClassName.FADE : ''
330 if (this._isShown && this._config.backdrop) {
331 this._backdrop = document.createElement('div')
332 this._backdrop.className = ClassName.BACKDROP
335 this._backdrop.classList.add(animate)
338 $(this._backdrop).appendTo(document.body)
340 $(this._element).on(Event.CLICK_DISMISS, (event) => {
341 if (this._ignoreBackdropClick) {
342 this._ignoreBackdropClick = false
345 if (event.target !== event.currentTarget) {
348 if (this._config.backdrop === 'static') {
349 this._element.focus()
356 Util.reflow(this._backdrop)
359 $(this._backdrop).addClass(ClassName.SHOW)
370 const backdropTransitionDuration = Util.getTransitionDurationFromElement(this._backdrop)
373 .one(Util.TRANSITION_END, callback)
374 .emulateTransitionEnd(backdropTransitionDuration)
375 } else if (!this._isShown && this._backdrop) {
376 $(this._backdrop).removeClass(ClassName.SHOW)
378 const callbackRemove = () => {
379 this._removeBackdrop()
385 if ($(this._element).hasClass(ClassName.FADE)) {
386 const backdropTransitionDuration = Util.getTransitionDurationFromElement(this._backdrop)
389 .one(Util.TRANSITION_END, callbackRemove)
390 .emulateTransitionEnd(backdropTransitionDuration)
394 } else if (callback) {
399 // ----------------------------------------------------------------------
400 // the following methods are used to handle overflowing modals
401 // todo (fat): these should probably be refactored out of modal.js
402 // ----------------------------------------------------------------------
405 const isModalOverflowing =
406 this._element.scrollHeight > document.documentElement.clientHeight
408 if (!this._isBodyOverflowing && isModalOverflowing) {
409 this._element.style.paddingLeft = `${this._scrollbarWidth}px`
412 if (this._isBodyOverflowing && !isModalOverflowing) {
413 this._element.style.paddingRight = `${this._scrollbarWidth}px`
417 _resetAdjustments() {
418 this._element.style.paddingLeft = ''
419 this._element.style.paddingRight = ''
423 const rect = document.body.getBoundingClientRect()
424 this._isBodyOverflowing = rect.left + rect.right < window.innerWidth
425 this._scrollbarWidth = this._getScrollbarWidth()
429 if (this._isBodyOverflowing) {
430 // Note: DOMNode.style.paddingRight returns the actual value or '' if not set
431 // while $(DOMNode).css('padding-right') returns the calculated value or 0 if not set
432 const fixedContent = [].slice.call(document.querySelectorAll(Selector.FIXED_CONTENT))
433 const stickyContent = [].slice.call(document.querySelectorAll(Selector.STICKY_CONTENT))
435 // Adjust fixed content padding
436 $(fixedContent).each((index, element) => {
437 const actualPadding = element.style.paddingRight
438 const calculatedPadding = $(element).css('padding-right')
440 .data('padding-right', actualPadding)
441 .css('padding-right', `${parseFloat(calculatedPadding) + this._scrollbarWidth}px`)
444 // Adjust sticky content margin
445 $(stickyContent).each((index, element) => {
446 const actualMargin = element.style.marginRight
447 const calculatedMargin = $(element).css('margin-right')
449 .data('margin-right', actualMargin)
450 .css('margin-right', `${parseFloat(calculatedMargin) - this._scrollbarWidth}px`)
453 // Adjust body padding
454 const actualPadding = document.body.style.paddingRight
455 const calculatedPadding = $(document.body).css('padding-right')
457 .data('padding-right', actualPadding)
458 .css('padding-right', `${parseFloat(calculatedPadding) + this._scrollbarWidth}px`)
463 // Restore fixed content padding
464 const fixedContent = [].slice.call(document.querySelectorAll(Selector.FIXED_CONTENT))
465 $(fixedContent).each((index, element) => {
466 const padding = $(element).data('padding-right')
467 $(element).removeData('padding-right')
468 element.style.paddingRight = padding ? padding : ''
471 // Restore sticky content
472 const elements = [].slice.call(document.querySelectorAll(`${Selector.STICKY_CONTENT}`))
473 $(elements).each((index, element) => {
474 const margin = $(element).data('margin-right')
475 if (typeof margin !== 'undefined') {
476 $(element).css('margin-right', margin).removeData('margin-right')
480 // Restore body padding
481 const padding = $(document.body).data('padding-right')
482 $(document.body).removeData('padding-right')
483 document.body.style.paddingRight = padding ? padding : ''
486 _getScrollbarWidth() { // thx d.walsh
487 const scrollDiv = document.createElement('div')
488 scrollDiv.className = ClassName.SCROLLBAR_MEASURER
489 document.body.appendChild(scrollDiv)
490 const scrollbarWidth = scrollDiv.getBoundingClientRect().width - scrollDiv.clientWidth
491 document.body.removeChild(scrollDiv)
492 return scrollbarWidth
497 static _jQueryInterface(config, relatedTarget) {
498 return this.each(function () {
499 let data = $(this).data(DATA_KEY)
503 ...typeof config === 'object' && config ? config : {}
507 data = new Modal(this, _config)
508 $(this).data(DATA_KEY, data)
511 if (typeof config === 'string') {
512 if (typeof data[config] === 'undefined') {
513 throw new TypeError(`No method named "${config}"`)
515 data[config](relatedTarget)
516 } else if (_config.show) {
517 data.show(relatedTarget)
524 * ------------------------------------------------------------------------
525 * Data Api implementation
526 * ------------------------------------------------------------------------
529 $(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
531 const selector = Util.getSelectorFromElement(this)
534 target = document.querySelector(selector)
537 const config = $(target).data(DATA_KEY)
543 if (this.tagName === 'A' || this.tagName === 'AREA') {
544 event.preventDefault()
547 const $target = $(target).one(Event.SHOW, (showEvent) => {
548 if (showEvent.isDefaultPrevented()) {
549 // Only register focus restorer if modal will actually get shown
553 $target.one(Event.HIDDEN, () => {
554 if ($(this).is(':visible')) {
560 Modal._jQueryInterface.call($(target), config, this)
564 * ------------------------------------------------------------------------
566 * ------------------------------------------------------------------------
569 $.fn[NAME] = Modal._jQueryInterface
570 $.fn[NAME].Constructor = Modal
571 $.fn[NAME].noConflict = function () {
572 $.fn[NAME] = JQUERY_NO_CONFLICT
573 return Modal._jQueryInterface