0
0
mirror of https://github.com/twbs/bootstrap.git synced 2024-12-01 13:24:25 +01:00
Bootstrap/js/dist/tab.js
XhmikosR 2a1bf52b73
Release v5.3.1 (#38956)
* Bump version to 5.3.1

* Dist
2023-07-26 10:46:38 +03:00

286 lines
10 KiB
JavaScript

/*!
* Bootstrap tab.js v5.3.1 (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/index.js')) :
typeof define === 'function' && define.amd ? define(['./base-component', './dom/event-handler', './dom/selector-engine', './util/index'], factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Tab = factory(global.BaseComponent, global.EventHandler, global.SelectorEngine, global.Index));
})(this, (function (BaseComponent, EventHandler, SelectorEngine, index_js) { 'use strict';
/**
* --------------------------------------------------------------------------
* Bootstrap tab.js
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
* --------------------------------------------------------------------------
*/
/**
* Constants
*/
const NAME = 'tab';
const DATA_KEY = 'bs.tab';
const EVENT_KEY = `.${DATA_KEY}`;
const EVENT_HIDE = `hide${EVENT_KEY}`;
const EVENT_HIDDEN = `hidden${EVENT_KEY}`;
const EVENT_SHOW = `show${EVENT_KEY}`;
const EVENT_SHOWN = `shown${EVENT_KEY}`;
const EVENT_CLICK_DATA_API = `click${EVENT_KEY}`;
const EVENT_KEYDOWN = `keydown${EVENT_KEY}`;
const EVENT_LOAD_DATA_API = `load${EVENT_KEY}`;
const ARROW_LEFT_KEY = 'ArrowLeft';
const ARROW_RIGHT_KEY = 'ArrowRight';
const ARROW_UP_KEY = 'ArrowUp';
const ARROW_DOWN_KEY = 'ArrowDown';
const HOME_KEY = 'Home';
const END_KEY = 'End';
const CLASS_NAME_ACTIVE = 'active';
const CLASS_NAME_FADE = 'fade';
const CLASS_NAME_SHOW = 'show';
const CLASS_DROPDOWN = 'dropdown';
const SELECTOR_DROPDOWN_TOGGLE = '.dropdown-toggle';
const SELECTOR_DROPDOWN_MENU = '.dropdown-menu';
const NOT_SELECTOR_DROPDOWN_TOGGLE = ':not(.dropdown-toggle)';
const SELECTOR_TAB_PANEL = '.list-group, .nav, [role="tablist"]';
const SELECTOR_OUTER = '.nav-item, .list-group-item';
const SELECTOR_INNER = `.nav-link${NOT_SELECTOR_DROPDOWN_TOGGLE}, .list-group-item${NOT_SELECTOR_DROPDOWN_TOGGLE}, [role="tab"]${NOT_SELECTOR_DROPDOWN_TOGGLE}`;
const SELECTOR_DATA_TOGGLE = '[data-bs-toggle="tab"], [data-bs-toggle="pill"], [data-bs-toggle="list"]'; // TODO: could only be `tab` in v6
const SELECTOR_INNER_ELEM = `${SELECTOR_INNER}, ${SELECTOR_DATA_TOGGLE}`;
const SELECTOR_DATA_TOGGLE_ACTIVE = `.${CLASS_NAME_ACTIVE}[data-bs-toggle="tab"], .${CLASS_NAME_ACTIVE}[data-bs-toggle="pill"], .${CLASS_NAME_ACTIVE}[data-bs-toggle="list"]`;
/**
* Class definition
*/
class Tab extends BaseComponent {
constructor(element) {
super(element);
this._parent = this._element.closest(SELECTOR_TAB_PANEL);
if (!this._parent) {
return;
// TODO: should throw exception in v6
// throw new TypeError(`${element.outerHTML} has not a valid parent ${SELECTOR_INNER_ELEM}`)
}
// Set up initial aria attributes
this._setInitialAttributes(this._parent, this._getChildren());
EventHandler.on(this._element, EVENT_KEYDOWN, event => this._keydown(event));
}
// Getters
static get NAME() {
return NAME;
}
// Public
show() {
// Shows this elem and deactivate the active sibling if exists
const innerElem = this._element;
if (this._elemIsActive(innerElem)) {
return;
}
// Search for active tab on same parent to deactivate it
const active = this._getActiveElem();
const hideEvent = active ? EventHandler.trigger(active, EVENT_HIDE, {
relatedTarget: innerElem
}) : null;
const showEvent = EventHandler.trigger(innerElem, EVENT_SHOW, {
relatedTarget: active
});
if (showEvent.defaultPrevented || hideEvent && hideEvent.defaultPrevented) {
return;
}
this._deactivate(active, innerElem);
this._activate(innerElem, active);
}
// Private
_activate(element, relatedElem) {
if (!element) {
return;
}
element.classList.add(CLASS_NAME_ACTIVE);
this._activate(SelectorEngine.getElementFromSelector(element)); // Search and activate/show the proper section
const complete = () => {
if (element.getAttribute('role') !== 'tab') {
element.classList.add(CLASS_NAME_SHOW);
return;
}
element.removeAttribute('tabindex');
element.setAttribute('aria-selected', true);
this._toggleDropDown(element, true);
EventHandler.trigger(element, EVENT_SHOWN, {
relatedTarget: relatedElem
});
};
this._queueCallback(complete, element, element.classList.contains(CLASS_NAME_FADE));
}
_deactivate(element, relatedElem) {
if (!element) {
return;
}
element.classList.remove(CLASS_NAME_ACTIVE);
element.blur();
this._deactivate(SelectorEngine.getElementFromSelector(element)); // Search and deactivate the shown section too
const complete = () => {
if (element.getAttribute('role') !== 'tab') {
element.classList.remove(CLASS_NAME_SHOW);
return;
}
element.setAttribute('aria-selected', false);
element.setAttribute('tabindex', '-1');
this._toggleDropDown(element, false);
EventHandler.trigger(element, EVENT_HIDDEN, {
relatedTarget: relatedElem
});
};
this._queueCallback(complete, element, element.classList.contains(CLASS_NAME_FADE));
}
_keydown(event) {
if (![ARROW_LEFT_KEY, ARROW_RIGHT_KEY, ARROW_UP_KEY, ARROW_DOWN_KEY, HOME_KEY, END_KEY].includes(event.key)) {
return;
}
event.stopPropagation(); // stopPropagation/preventDefault both added to support up/down keys without scrolling the page
event.preventDefault();
const children = this._getChildren().filter(element => !index_js.isDisabled(element));
let nextActiveElement;
if ([HOME_KEY, END_KEY].includes(event.key)) {
nextActiveElement = children[event.key === HOME_KEY ? 0 : children.length - 1];
} else {
const isNext = [ARROW_RIGHT_KEY, ARROW_DOWN_KEY].includes(event.key);
nextActiveElement = index_js.getNextActiveElement(children, event.target, isNext, true);
}
if (nextActiveElement) {
nextActiveElement.focus({
preventScroll: true
});
Tab.getOrCreateInstance(nextActiveElement).show();
}
}
_getChildren() {
// collection of inner elements
return SelectorEngine.find(SELECTOR_INNER_ELEM, this._parent);
}
_getActiveElem() {
return this._getChildren().find(child => this._elemIsActive(child)) || null;
}
_setInitialAttributes(parent, children) {
this._setAttributeIfNotExists(parent, 'role', 'tablist');
for (const child of children) {
this._setInitialAttributesOnChild(child);
}
}
_setInitialAttributesOnChild(child) {
child = this._getInnerElement(child);
const isActive = this._elemIsActive(child);
const outerElem = this._getOuterElement(child);
child.setAttribute('aria-selected', isActive);
if (outerElem !== child) {
this._setAttributeIfNotExists(outerElem, 'role', 'presentation');
}
if (!isActive) {
child.setAttribute('tabindex', '-1');
}
this._setAttributeIfNotExists(child, 'role', 'tab');
// set attributes to the related panel too
this._setInitialAttributesOnTargetPanel(child);
}
_setInitialAttributesOnTargetPanel(child) {
const target = SelectorEngine.getElementFromSelector(child);
if (!target) {
return;
}
this._setAttributeIfNotExists(target, 'role', 'tabpanel');
if (child.id) {
this._setAttributeIfNotExists(target, 'aria-labelledby', `${child.id}`);
}
}
_toggleDropDown(element, open) {
const outerElem = this._getOuterElement(element);
if (!outerElem.classList.contains(CLASS_DROPDOWN)) {
return;
}
const toggle = (selector, className) => {
const element = SelectorEngine.findOne(selector, outerElem);
if (element) {
element.classList.toggle(className, open);
}
};
toggle(SELECTOR_DROPDOWN_TOGGLE, CLASS_NAME_ACTIVE);
toggle(SELECTOR_DROPDOWN_MENU, CLASS_NAME_SHOW);
outerElem.setAttribute('aria-expanded', open);
}
_setAttributeIfNotExists(element, attribute, value) {
if (!element.hasAttribute(attribute)) {
element.setAttribute(attribute, value);
}
}
_elemIsActive(elem) {
return elem.classList.contains(CLASS_NAME_ACTIVE);
}
// Try to get the inner element (usually the .nav-link)
_getInnerElement(elem) {
return elem.matches(SELECTOR_INNER_ELEM) ? elem : SelectorEngine.findOne(SELECTOR_INNER_ELEM, elem);
}
// Try to get the outer element (usually the .nav-item)
_getOuterElement(elem) {
return elem.closest(SELECTOR_OUTER) || elem;
}
// Static
static jQueryInterface(config) {
return this.each(function () {
const data = Tab.getOrCreateInstance(this);
if (typeof config !== 'string') {
return;
}
if (data[config] === undefined || config.startsWith('_') || config === 'constructor') {
throw new TypeError(`No method named "${config}"`);
}
data[config]();
});
}
}
/**
* Data API implementation
*/
EventHandler.on(document, EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {
if (['A', 'AREA'].includes(this.tagName)) {
event.preventDefault();
}
if (index_js.isDisabled(this)) {
return;
}
Tab.getOrCreateInstance(this).show();
});
/**
* Initialize on focus
*/
EventHandler.on(window, EVENT_LOAD_DATA_API, () => {
for (const element of SelectorEngine.find(SELECTOR_DATA_TOGGLE_ACTIVE)) {
Tab.getOrCreateInstance(element);
}
});
/**
* jQuery
*/
index_js.defineJQueryPlugin(Tab);
return Tab;
}));
//# sourceMappingURL=tab.js.map