mirror of
https://github.com/twbs/bootstrap.git
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320 lines
11 KiB
JavaScript
320 lines
11 KiB
JavaScript
/*!
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* Bootstrap modal.js v5.3.0-alpha3 (https://getbootstrap.com/)
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* Copyright 2011-2023 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
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* Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
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*/
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(function (global, factory) {
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typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('./base-component.js'), require('./dom/event-handler.js'), require('./dom/selector-engine.js'), require('./util/backdrop.js'), require('./util/component-functions.js'), require('./util/focustrap.js'), require('./util/index.js'), require('./util/scrollbar.js')) :
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typeof define === 'function' && define.amd ? define(['./base-component', './dom/event-handler', './dom/selector-engine', './util/backdrop', './util/component-functions', './util/focustrap', './util/index', './util/scrollbar'], factory) :
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(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Modal = factory(global.BaseComponent, global.EventHandler, global.SelectorEngine, global.Backdrop, global.ComponentFunctions, global.Focustrap, global.Index, global.Scrollbar));
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})(this, (function (BaseComponent, EventHandler, SelectorEngine, Backdrop, componentFunctions_js, FocusTrap, index_js, ScrollBarHelper) { 'use strict';
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/**
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* --------------------------------------------------------------------------
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* Bootstrap 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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/**
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* Constants
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*/
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const NAME = 'modal';
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const DATA_KEY = 'bs.modal';
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const EVENT_KEY = `.${DATA_KEY}`;
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const DATA_API_KEY = '.data-api';
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const ESCAPE_KEY = 'Escape';
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const EVENT_HIDE = `hide${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_RESIZE = `resize${EVENT_KEY}`;
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const EVENT_CLICK_DISMISS = `click.dismiss${EVENT_KEY}`;
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const EVENT_MOUSEDOWN_DISMISS = `mousedown.dismiss${EVENT_KEY}`;
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const EVENT_KEYDOWN_DISMISS = `keydown.dismiss${EVENT_KEY}`;
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const EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`;
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const CLASS_NAME_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 OPEN_SELECTOR = '.modal.show';
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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-bs-toggle="modal"]';
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const Default = {
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backdrop: true,
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focus: true,
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keyboard: true
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};
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const DefaultType = {
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backdrop: '(boolean|string)',
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focus: 'boolean',
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keyboard: 'boolean'
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};
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/**
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* Class definition
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*/
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class Modal extends BaseComponent {
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constructor(element, config) {
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super(element, config);
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this._dialog = SelectorEngine.findOne(SELECTOR_DIALOG, this._element);
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this._backdrop = this._initializeBackDrop();
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this._focustrap = this._initializeFocusTrap();
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this._isShown = false;
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this._isTransitioning = false;
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this._scrollBar = new ScrollBarHelper();
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this._addEventListeners();
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}
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// Getters
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static get Default() {
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return Default;
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}
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static get DefaultType() {
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return DefaultType;
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}
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static get NAME() {
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return NAME;
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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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const showEvent = EventHandler.trigger(this._element, EVENT_SHOW, {
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relatedTarget
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});
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if (showEvent.defaultPrevented) {
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return;
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}
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this._isShown = true;
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this._isTransitioning = true;
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this._scrollBar.hide();
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document.body.classList.add(CLASS_NAME_OPEN);
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this._adjustDialog();
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this._backdrop.show(() => this._showElement(relatedTarget));
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}
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hide() {
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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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this._isTransitioning = true;
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this._focustrap.deactivate();
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this._element.classList.remove(CLASS_NAME_SHOW);
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this._queueCallback(() => this._hideModal(), this._element, this._isAnimated());
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}
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dispose() {
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EventHandler.off(window, EVENT_KEY);
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EventHandler.off(this._dialog, EVENT_KEY);
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this._backdrop.dispose();
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this._focustrap.deactivate();
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super.dispose();
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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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_initializeBackDrop() {
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return new Backdrop({
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isVisible: Boolean(this._config.backdrop),
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// 'static' option will be translated to true, and booleans will keep their value,
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isAnimated: this._isAnimated()
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});
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}
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_initializeFocusTrap() {
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return new FocusTrap({
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trapElement: this._element
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});
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}
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_showElement(relatedTarget) {
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// try to append dynamic modal
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if (!document.body.contains(this._element)) {
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document.body.append(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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this._element.scrollTop = 0;
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const modalBody = SelectorEngine.findOne(SELECTOR_MODAL_BODY, this._dialog);
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if (modalBody) {
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modalBody.scrollTop = 0;
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}
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index_js.reflow(this._element);
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this._element.classList.add(CLASS_NAME_SHOW);
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const transitionComplete = () => {
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if (this._config.focus) {
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this._focustrap.activate();
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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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this._queueCallback(transitionComplete, this._dialog, this._isAnimated());
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}
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_addEventListeners() {
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EventHandler.on(this._element, EVENT_KEYDOWN_DISMISS, event => {
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if (event.key !== ESCAPE_KEY) {
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return;
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}
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if (this._config.keyboard) {
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this.hide();
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return;
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}
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this._triggerBackdropTransition();
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});
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EventHandler.on(window, EVENT_RESIZE, () => {
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if (this._isShown && !this._isTransitioning) {
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this._adjustDialog();
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}
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});
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EventHandler.on(this._element, EVENT_MOUSEDOWN_DISMISS, event => {
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// a bad trick to segregate clicks that may start inside dialog but end outside, and avoid listen to scrollbar clicks
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EventHandler.one(this._element, EVENT_CLICK_DISMISS, event2 => {
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if (this._element !== event.target || this._element !== event2.target) {
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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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return;
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}
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if (this._config.backdrop) {
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this.hide();
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}
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});
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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._backdrop.hide(() => {
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document.body.classList.remove(CLASS_NAME_OPEN);
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this._resetAdjustments();
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this._scrollBar.reset();
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EventHandler.trigger(this._element, EVENT_HIDDEN);
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});
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}
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_isAnimated() {
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return this._element.classList.contains(CLASS_NAME_FADE);
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}
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_triggerBackdropTransition() {
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const hideEvent = EventHandler.trigger(this._element, EVENT_HIDE_PREVENTED);
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if (hideEvent.defaultPrevented) {
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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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const initialOverflowY = this._element.style.overflowY;
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// return if the following background transition hasn't yet completed
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if (initialOverflowY === 'hidden' || this._element.classList.contains(CLASS_NAME_STATIC)) {
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return;
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}
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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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this._queueCallback(() => {
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this._element.classList.remove(CLASS_NAME_STATIC);
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this._queueCallback(() => {
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this._element.style.overflowY = initialOverflowY;
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}, this._dialog);
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}, this._dialog);
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this._element.focus();
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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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_adjustDialog() {
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const isModalOverflowing = this._element.scrollHeight > document.documentElement.clientHeight;
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const scrollbarWidth = this._scrollBar.getWidth();
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const isBodyOverflowing = scrollbarWidth > 0;
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if (isBodyOverflowing && !isModalOverflowing) {
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const property = index_js.isRTL() ? 'paddingLeft' : 'paddingRight';
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this._element.style[property] = `${scrollbarWidth}px`;
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}
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if (!isBodyOverflowing && isModalOverflowing) {
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const property = index_js.isRTL() ? 'paddingRight' : 'paddingLeft';
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this._element.style[property] = `${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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// Static
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static jQueryInterface(config, relatedTarget) {
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return this.each(function () {
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const data = Modal.getOrCreateInstance(this, config);
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if (typeof config !== 'string') {
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return;
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}
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if (typeof data[config] === 'undefined') {
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throw new TypeError(`No method named "${config}"`);
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}
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data[config](relatedTarget);
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});
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}
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}
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/**
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* Data API implementation
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*/
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EventHandler.on(document, EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {
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const target = SelectorEngine.getElementFromSelector(this);
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if (['A', 'AREA'].includes(this.tagName)) {
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event.preventDefault();
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}
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EventHandler.one(target, EVENT_SHOW, showEvent => {
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if (showEvent.defaultPrevented) {
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// only register focus restorer if modal will actually get shown
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return;
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}
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EventHandler.one(target, EVENT_HIDDEN, () => {
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if (index_js.isVisible(this)) {
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this.focus();
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}
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});
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});
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// avoid conflict when clicking modal toggler while another one is open
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const alreadyOpen = SelectorEngine.findOne(OPEN_SELECTOR);
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if (alreadyOpen) {
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Modal.getInstance(alreadyOpen).hide();
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}
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const data = Modal.getOrCreateInstance(target);
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data.toggle(this);
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});
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componentFunctions_js.enableDismissTrigger(Modal);
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/**
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* jQuery
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*/
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index_js.defineJQueryPlugin(Modal);
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return Modal;
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}));
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//# sourceMappingURL=modal.js.map
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