internet-programming/lab3/node_modules/bootstrap/js/dist/modal.js

321 lines
11 KiB
JavaScript

/*!
* Bootstrap modal.js v5.3.2 (https://getbootstrap.com/)
* Copyright 2011-2023 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
*/
(function (global, factory) {
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')) :
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) :
(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));
})(this, (function (BaseComponent, EventHandler, SelectorEngine, Backdrop, componentFunctions_js, FocusTrap, index_js, ScrollBarHelper) { 'use strict';
/**
* --------------------------------------------------------------------------
* Bootstrap modal.js
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
* --------------------------------------------------------------------------
*/
/**
* Constants
*/
const NAME = 'modal';
const DATA_KEY = 'bs.modal';
const EVENT_KEY = `.${DATA_KEY}`;
const DATA_API_KEY = '.data-api';
const ESCAPE_KEY = 'Escape';
const EVENT_HIDE = `hide${EVENT_KEY}`;
const EVENT_HIDE_PREVENTED = `hidePrevented${EVENT_KEY}`;
const EVENT_HIDDEN = `hidden${EVENT_KEY}`;
const EVENT_SHOW = `show${EVENT_KEY}`;
const EVENT_SHOWN = `shown${EVENT_KEY}`;
const EVENT_RESIZE = `resize${EVENT_KEY}`;
const EVENT_CLICK_DISMISS = `click.dismiss${EVENT_KEY}`;
const EVENT_MOUSEDOWN_DISMISS = `mousedown.dismiss${EVENT_KEY}`;
const EVENT_KEYDOWN_DISMISS = `keydown.dismiss${EVENT_KEY}`;
const EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`;
const CLASS_NAME_OPEN = 'modal-open';
const CLASS_NAME_FADE = 'fade';
const CLASS_NAME_SHOW = 'show';
const CLASS_NAME_STATIC = 'modal-static';
const OPEN_SELECTOR = '.modal.show';
const SELECTOR_DIALOG = '.modal-dialog';
const SELECTOR_MODAL_BODY = '.modal-body';
const SELECTOR_DATA_TOGGLE = '[data-bs-toggle="modal"]';
const Default = {
backdrop: true,
focus: true,
keyboard: true
};
const DefaultType = {
backdrop: '(boolean|string)',
focus: 'boolean',
keyboard: 'boolean'
};
/**
* Class definition
*/
class Modal extends BaseComponent {
constructor(element, config) {
super(element, config);
this._dialog = SelectorEngine.findOne(SELECTOR_DIALOG, this._element);
this._backdrop = this._initializeBackDrop();
this._focustrap = this._initializeFocusTrap();
this._isShown = false;
this._isTransitioning = false;
this._scrollBar = new ScrollBarHelper();
this._addEventListeners();
}
// Getters
static get Default() {
return Default;
}
static get DefaultType() {
return DefaultType;
}
static get NAME() {
return NAME;
}
// Public
toggle(relatedTarget) {
return this._isShown ? this.hide() : this.show(relatedTarget);
}
show(relatedTarget) {
if (this._isShown || this._isTransitioning) {
return;
}
const showEvent = EventHandler.trigger(this._element, EVENT_SHOW, {
relatedTarget
});
if (showEvent.defaultPrevented) {
return;
}
this._isShown = true;
this._isTransitioning = true;
this._scrollBar.hide();
document.body.classList.add(CLASS_NAME_OPEN);
this._adjustDialog();
this._backdrop.show(() => this._showElement(relatedTarget));
}
hide() {
if (!this._isShown || this._isTransitioning) {
return;
}
const hideEvent = EventHandler.trigger(this._element, EVENT_HIDE);
if (hideEvent.defaultPrevented) {
return;
}
this._isShown = false;
this._isTransitioning = true;
this._focustrap.deactivate();
this._element.classList.remove(CLASS_NAME_SHOW);
this._queueCallback(() => this._hideModal(), this._element, this._isAnimated());
}
dispose() {
EventHandler.off(window, EVENT_KEY);
EventHandler.off(this._dialog, EVENT_KEY);
this._backdrop.dispose();
this._focustrap.deactivate();
super.dispose();
}
handleUpdate() {
this._adjustDialog();
}
// Private
_initializeBackDrop() {
return new Backdrop({
isVisible: Boolean(this._config.backdrop),
// 'static' option will be translated to true, and booleans will keep their value,
isAnimated: this._isAnimated()
});
}
_initializeFocusTrap() {
return new FocusTrap({
trapElement: this._element
});
}
_showElement(relatedTarget) {
// try to append dynamic modal
if (!document.body.contains(this._element)) {
document.body.append(this._element);
}
this._element.style.display = 'block';
this._element.removeAttribute('aria-hidden');
this._element.setAttribute('aria-modal', true);
this._element.setAttribute('role', 'dialog');
this._element.scrollTop = 0;
const modalBody = SelectorEngine.findOne(SELECTOR_MODAL_BODY, this._dialog);
if (modalBody) {
modalBody.scrollTop = 0;
}
index_js.reflow(this._element);
this._element.classList.add(CLASS_NAME_SHOW);
const transitionComplete = () => {
if (this._config.focus) {
this._focustrap.activate();
}
this._isTransitioning = false;
EventHandler.trigger(this._element, EVENT_SHOWN, {
relatedTarget
});
};
this._queueCallback(transitionComplete, this._dialog, this._isAnimated());
}
_addEventListeners() {
EventHandler.on(this._element, EVENT_KEYDOWN_DISMISS, event => {
if (event.key !== ESCAPE_KEY) {
return;
}
if (this._config.keyboard) {
this.hide();
return;
}
this._triggerBackdropTransition();
});
EventHandler.on(window, EVENT_RESIZE, () => {
if (this._isShown && !this._isTransitioning) {
this._adjustDialog();
}
});
EventHandler.on(this._element, EVENT_MOUSEDOWN_DISMISS, event => {
// a bad trick to segregate clicks that may start inside dialog but end outside, and avoid listen to scrollbar clicks
EventHandler.one(this._element, EVENT_CLICK_DISMISS, event2 => {
if (this._element !== event.target || this._element !== event2.target) {
return;
}
if (this._config.backdrop === 'static') {
this._triggerBackdropTransition();
return;
}
if (this._config.backdrop) {
this.hide();
}
});
});
}
_hideModal() {
this._element.style.display = 'none';
this._element.setAttribute('aria-hidden', true);
this._element.removeAttribute('aria-modal');
this._element.removeAttribute('role');
this._isTransitioning = false;
this._backdrop.hide(() => {
document.body.classList.remove(CLASS_NAME_OPEN);
this._resetAdjustments();
this._scrollBar.reset();
EventHandler.trigger(this._element, EVENT_HIDDEN);
});
}
_isAnimated() {
return this._element.classList.contains(CLASS_NAME_FADE);
}
_triggerBackdropTransition() {
const hideEvent = EventHandler.trigger(this._element, EVENT_HIDE_PREVENTED);
if (hideEvent.defaultPrevented) {
return;
}
const isModalOverflowing = this._element.scrollHeight > document.documentElement.clientHeight;
const initialOverflowY = this._element.style.overflowY;
// return if the following background transition hasn't yet completed
if (initialOverflowY === 'hidden' || this._element.classList.contains(CLASS_NAME_STATIC)) {
return;
}
if (!isModalOverflowing) {
this._element.style.overflowY = 'hidden';
}
this._element.classList.add(CLASS_NAME_STATIC);
this._queueCallback(() => {
this._element.classList.remove(CLASS_NAME_STATIC);
this._queueCallback(() => {
this._element.style.overflowY = initialOverflowY;
}, this._dialog);
}, this._dialog);
this._element.focus();
}
/**
* The following methods are used to handle overflowing modals
*/
_adjustDialog() {
const isModalOverflowing = this._element.scrollHeight > document.documentElement.clientHeight;
const scrollbarWidth = this._scrollBar.getWidth();
const isBodyOverflowing = scrollbarWidth > 0;
if (isBodyOverflowing && !isModalOverflowing) {
const property = index_js.isRTL() ? 'paddingLeft' : 'paddingRight';
this._element.style[property] = `${scrollbarWidth}px`;
}
if (!isBodyOverflowing && isModalOverflowing) {
const property = index_js.isRTL() ? 'paddingRight' : 'paddingLeft';
this._element.style[property] = `${scrollbarWidth}px`;
}
}
_resetAdjustments() {
this._element.style.paddingLeft = '';
this._element.style.paddingRight = '';
}
// Static
static jQueryInterface(config, relatedTarget) {
return this.each(function () {
const data = Modal.getOrCreateInstance(this, config);
if (typeof config !== 'string') {
return;
}
if (typeof data[config] === 'undefined') {
throw new TypeError(`No method named "${config}"`);
}
data[config](relatedTarget);
});
}
}
/**
* Data API implementation
*/
EventHandler.on(document, EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {
const target = SelectorEngine.getElementFromSelector(this);
if (['A', 'AREA'].includes(this.tagName)) {
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 (index_js.isVisible(this)) {
this.focus();
}
});
});
// avoid conflict when clicking modal toggler while another one is open
const alreadyOpen = SelectorEngine.findOne(OPEN_SELECTOR);
if (alreadyOpen) {
Modal.getInstance(alreadyOpen).hide();
}
const data = Modal.getOrCreateInstance(target);
data.toggle(this);
});
componentFunctions_js.enableDismissTrigger(Modal);
/**
* jQuery
*/
index_js.defineJQueryPlugin(Modal);
return Modal;
}));
//# sourceMappingURL=modal.js.map