https://sathmarerschwaben.de/media/vendor/bootstrap/js/tab.js?5.3.8

1import { E as EventHandler, f as isDisabled, S as SelectorEngine, d as defineJQueryPlugin, B as BaseComponent, b as getNextActiveElement } from './dom.js?5.3.8';
2
3/**
4 * --------------------------------------------------------------------------
5 * Bootstrap tab.js
6 * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
7 * --------------------------------------------------------------------------
8 */
9
10
11/**
12 * Constants
13 */
14
15const NAME = 'tab';
16const DATA_KEY = 'bs.tab';
17const EVENT_KEY = `.${DATA_KEY}`;
18const EVENT_HIDE = `hide${EVENT_KEY}`;
19const EVENT_HIDDEN = `hidden${EVENT_KEY}`;
20const EVENT_SHOW = `show${EVENT_KEY}`;
21const EVENT_SHOWN = `shown${EVENT_KEY}`;
22const EVENT_CLICK_DATA_API = `click${EVENT_KEY}`;
23const EVENT_KEYDOWN = `keydown${EVENT_KEY}`;
24const EVENT_LOAD_DATA_API = `load${EVENT_KEY}`;
25const ARROW_LEFT_KEY = 'ArrowLeft';
26const ARROW_RIGHT_KEY = 'ArrowRight';
27const ARROW_UP_KEY = 'ArrowUp';
28const ARROW_DOWN_KEY = 'ArrowDown';
29const HOME_KEY = 'Home';
30const END_KEY = 'End';
31const CLASS_NAME_ACTIVE = 'active';
32const CLASS_NAME_FADE = 'fade';
33const CLASS_NAME_SHOW = 'show';
34const CLASS_DROPDOWN = 'dropdown';
35const SELECTOR_DROPDOWN_TOGGLE = '.dropdown-toggle';
36const SELECTOR_DROPDOWN_MENU = '.dropdown-menu';
37const NOT_SELECTOR_DROPDOWN_TOGGLE = `:not(${SELECTOR_DROPDOWN_TOGGLE})`;
38const SELECTOR_TAB_PANEL = '.list-group, .nav, [role="tablist"]';
39const SELECTOR_OUTER = '.nav-item, .list-group-item';
40const SELECTOR_INNER = `.nav-link${NOT_SELECTOR_DROPDOWN_TOGGLE}, .list-group-item${NOT_SELECTOR_DROPDOWN_TOGGLE}, [role="tab"]${NOT_SELECTOR_DROPDOWN_TOGGLE}`;
41const SELECTOR_DATA_TOGGLE = '[data-bs-toggle="tab"], [data-bs-toggle="pill"], [data-bs-toggle="list"]'; // TODO: could only be `tab` in v6
42const SELECTOR_INNER_ELEM = `${SELECTOR_INNER}, ${SELECTOR_DATA_TOGGLE}`;
43const SELECTOR_DATA_TOGGLE_ACTIVE = `.${CLASS_NAME_ACTIVE}[data-bs-toggle="tab"], .${CLASS_NAME_ACTIVE}[data-bs-toggle="pill"], .${CLASS_NAME_ACTIVE}[data-bs-toggle="list"]`;
44
45/**
46 * Class definition
47 */
48
49class Tab extends BaseComponent {
50  constructor(element) {
51    super(element);
52    this._parent = this._element.closest(SELECTOR_TAB_PANEL);
53    if (!this._parent) {
54      return;
55      // TODO: should throw exception in v6
56      // throw new TypeError(`${element.outerHTML} has not a valid parent ${SELECTOR_INNER_ELEM}`)
57    }
58
59    // Set up initial aria attributes
60    this._setInitialAttributes(this._parent, this._getChildren());
61    EventHandler.on(this._element, EVENT_KEYDOWN, event => this._keydown(event));
62  }
63
64  // Getters
65  static get NAME() {
66    return NAME;
67  }
68
69  // Public
70  show() {
71    // Shows this elem and deactivate the active sibling if exists
72    const innerElem = this._element;
73    if (this._elemIsActive(innerElem)) {
74      return;
75    }
76
77    // Search for active tab on same parent to deactivate it
78    const active = this._getActiveElem();
79    const hideEvent = active ? EventHandler.trigger(active, EVENT_HIDE, {
80      relatedTarget: innerElem
81    }) : null;
82    const showEvent = EventHandler.trigger(innerElem, EVENT_SHOW, {
83      relatedTarget: active
84    });
85    if (showEvent.defaultPrevented || hideEvent && hideEvent.defaultPrevented) {
86      return;
87    }
88    this._deactivate(active, innerElem);
89    this._activate(innerElem, active);
90  }
91
92  // Private
93  _activate(element, relatedElem) {
94    if (!element) {
95      return;
96    }
97    element.classList.add(CLASS_NAME_ACTIVE);
98    this._activate(SelectorEngine.getElementFromSelector(element)); // Search and activate/show the proper section
99
100    const complete = () => {
101      if (element.getAttribute('role') !== 'tab') {
102        element.classList.add(CLASS_NAME_SHOW);
103        return;
104      }
105      element.removeAttribute('tabindex');
106      element.setAttribute('aria-selected', true);
107      this._toggleDropDown(element, true);
108      EventHandler.trigger(element, EVENT_SHOWN, {
109        relatedTarget: relatedElem
110      });
111    };
112    this._queueCallback(complete, element, element.classList.contains(CLASS_NAME_FADE));
113  }
114  _deactivate(element, relatedElem) {
115    if (!element) {
116      return;
117    }
118    element.classList.remove(CLASS_NAME_ACTIVE);
119    element.blur();
120    this._deactivate(SelectorEngine.getElementFromSelector(element)); // Search and deactivate the shown section too
121
122    const complete = () => {
123      if (element.getAttribute('role') !== 'tab') {
124        element.classList.remove(CLASS_NAME_SHOW);
125        return;
126      }
127      element.setAttribute('aria-selected', false);
128      element.setAttribute('tabindex', '-1');
129      this._toggleDropDown(element, false);
130      EventHandler.trigger(element, EVENT_HIDDEN, {
131        relatedTarget: relatedElem
132      });
133    };
134    this._queueCallback(complete, element, element.classList.contains(CLASS_NAME_FADE));
135  }
136  _keydown(event) {
137    if (![ARROW_LEFT_KEY, ARROW_RIGHT_KEY, ARROW_UP_KEY, ARROW_DOWN_KEY, HOME_KEY, END_KEY].includes(event.key)) {
138      return;
139    }
140    event.stopPropagation(); // stopPropagation/preventDefault both added to support up/down keys without scrolling the page
141    event.preventDefault();
142    const children = this._getChildren().filter(element => !isDisabled(element));
143    let nextActiveElement;
144    if ([HOME_KEY, END_KEY].includes(event.key)) {
145      nextActiveElement = children[event.key === HOME_KEY ? 0 : children.length - 1];
146    } else {
147      const isNext = [ARROW_RIGHT_KEY, ARROW_DOWN_KEY].includes(event.key);
148      nextActiveElement = getNextActiveElement(children, event.target, isNext, true);
149    }
150    if (nextActiveElement) {
151      nextActiveElement.focus({
152        preventScroll: true
153      });
154      Tab.getOrCreateInstance(nextActiveElement).show();
155    }
156  }
157  _getChildren() {
158    // collection of inner elements
159    return SelectorEngine.find(SELECTOR_INNER_ELEM, this._parent);
160  }
161  _getActiveElem() {
162    return this._getChildren().find(child => this._elemIsActive(child)) || null;
163  }
164  _setInitialAttributes(parent, children) {
165    this._setAttributeIfNotExists(parent, 'role', 'tablist');
166    for (const child of children) {
167      this._setInitialAttributesOnChild(child);
168    }
169  }
170  _setInitialAttributesOnChild(child) {
171    child = this._getInnerElement(child);
172    const isActive = this._elemIsActive(child);
173    const outerElem = this._getOuterElement(child);
174    child.setAttribute('aria-selected', isActive);
175    if (outerElem !== child) {
176      this._setAttributeIfNotExists(outerElem, 'role', 'presentation');
177    }
178    if (!isActive) {
179      child.setAttribute('tabindex', '-1');
180    }
181    this._setAttributeIfNotExists(child, 'role', 'tab');
182
183    // set attributes to the related panel too
184    this._setInitialAttributesOnTargetPanel(child);
185  }
186  _setInitialAttributesOnTargetPanel(child) {
187    const target = SelectorEngine.getElementFromSelector(child);
188    if (!target) {
189      return;
190    }
191    this._setAttributeIfNotExists(target, 'role', 'tabpanel');
192    if (child.id) {
193      this._setAttributeIfNotExists(target, 'aria-labelledby', `${child.id}`);
194    }
195  }