https://www.leadfreefuture.org/modules/contrib/varbase_components/js/bootstrap/dropdown.js?tjadz4

1/*!
2  * Bootstrap dropdown.js v5.3.3 (https://getbootstrap.com/)
3  * Copyright 2011-2024 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
4  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
5  */
6(function (global, factory) {
7  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('@popperjs/core'), require('./base-component.js'), require('./dom/event-handler.js'), require('./dom/manipulator.js'), require('./dom/selector-engine.js'), require('./util/index.js')) :
8  typeof define === 'function' && define.amd ? define(['@popperjs/core', './base-component', './dom/event-handler', './dom/manipulator', './dom/selector-engine', './util/index'], factory) :
9  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.Dropdown = factory(global.Popper, global.BaseComponent, global.EventHandler, global.Manipulator, global.SelectorEngine, global.Index));
10})(this, (function (Popper, BaseComponent, EventHandler, Manipulator, SelectorEngine, index_js) { 'use strict';
11
12  function _interopNamespaceDefault(e) {
13    const n = Object.create(null, { [Symbol.toStringTag]: { value: 'Module' } });
14    if (e) {
15      for (const k in e) {
16        if (k !== 'default') {
17          const d = Object.getOwnPropertyDescriptor(e, k);
18          Object.defineProperty(n, k, d.get ? d : {
19            enumerable: true,
20            get: () => e[k]
21          });
22        }
23      }
24    }
25    n.default = e;
26    return Object.freeze(n);
27  }
28
29  const Popper__namespace = /*#__PURE__*/_interopNamespaceDefault(Popper);
30
31  /**
32   * --------------------------------------------------------------------------
33   * Bootstrap dropdown.js
34   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
35   * --------------------------------------------------------------------------
36   */
37
38
39  /**
40   * Constants
41   */
42
43  const NAME = 'dropdown';
44  const DATA_KEY = 'bs.dropdown';
45  const EVENT_KEY = `.${DATA_KEY}`;
46  const DATA_API_KEY = '.data-api';
47  const ESCAPE_KEY = 'Escape';
48  const TAB_KEY = 'Tab';
49  const ARROW_UP_KEY = 'ArrowUp';
50  const ARROW_DOWN_KEY = 'ArrowDown';
51  const RIGHT_MOUSE_BUTTON = 2; // MouseEvent.button value for the secondary button, usually the right button
52
53  const EVENT_HIDE = `hide${EVENT_KEY}`;
54  const EVENT_HIDDEN = `hidden${EVENT_KEY}`;
55  const EVENT_SHOW = `show${EVENT_KEY}`;
56  const EVENT_SHOWN = `shown${EVENT_KEY}`;
57  const EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`;
58  const EVENT_KEYDOWN_DATA_API = `keydown${EVENT_KEY}${DATA_API_KEY}`;
59  const EVENT_KEYUP_DATA_API = `keyup${EVENT_KEY}${DATA_API_KEY}`;
60  const CLASS_NAME_SHOW = 'show';
61  const CLASS_NAME_DROPUP = 'dropup';
62  const CLASS_NAME_DROPEND = 'dropend';
63  const CLASS_NAME_DROPSTART = 'dropstart';
64  const CLASS_NAME_DROPUP_CENTER = 'dropup-center';
65  const CLASS_NAME_DROPDOWN_CENTER = 'dropdown-center';
66  const SELECTOR_DATA_TOGGLE = '[data-bs-toggle="dropdown"]:not(.disabled):not(:disabled)';
67  const SELECTOR_DATA_TOGGLE_SHOWN = `${SELECTOR_DATA_TOGGLE}.${CLASS_NAME_SHOW}`;
68  const SELECTOR_MENU = '.dropdown-menu';
69  const SELECTOR_NAVBAR = '.navbar';
70  const SELECTOR_NAVBAR_NAV = '.navbar-nav';
71  const SELECTOR_VISIBLE_ITEMS = '.dropdown-menu .dropdown-item:not(.disabled):not(:disabled)';
72  const PLACEMENT_TOP = index_js.isRTL() ? 'top-end' : 'top-start';
73  const PLACEMENT_TOPEND = index_js.isRTL() ? 'top-start' : 'top-end';
74  const PLACEMENT_BOTTOM = index_js.isRTL() ? 'bottom-end' : 'bottom-start';
75  const PLACEMENT_BOTTOMEND = index_js.isRTL() ? 'bottom-start' : 'bottom-end';
76  const PLACEMENT_RIGHT = index_js.isRTL() ? 'left-start' : 'right-start';
77  const PLACEMENT_LEFT = index_js.isRTL() ? 'right-start' : 'left-start';
78  const PLACEMENT_TOPCENTER = 'top';
79  const PLACEMENT_BOTTOMCENTER = 'bottom';
80  const Default = {
81    autoClose: true,
82    boundary: 'clippingParents',
83    display: 'dynamic',
84    offset: [0, 2],
85    popperConfig: null,
86    reference: 'toggle'
87  };
88  const DefaultType = {
89    autoClose: '(boolean|string)',
90    boundary: '(string|element)',
91    display: 'string',
92    offset: '(array|string|function)',
93    popperConfig: '(null|object|function)',
94    reference: '(string|element|object)'
95  };
96
97  /**
98   * Class definition
99   */
100
101  class Dropdown extends BaseComponent {
102    constructor(element, config) {
103      super(element, config);
104      this._popper = null;
105      this._parent = this._element.parentNode; // dropdown wrapper
106      // TODO: v6 revert #37011 & change markup https://getbootstrap.com/docs/5.3/forms/input-group/
107      this._menu = SelectorEngine.next(this._element, SELECTOR_MENU)[0] || SelectorEngine.prev(this._element, SELECTOR_MENU)[0] || SelectorEngine.findOne(SELECTOR_MENU, this._parent);
108      this._inNavbar = this._detectNavbar();
109    }
110
111    // Getters
112    static get Default() {
113      return Default;
114    }
115    static get DefaultType() {
116      return DefaultType;
117    }
118    static get NAME() {
119      return NAME;
120    }
121
122    // Public
123    toggle() {
124      return this._isShown() ? this.hide() : this.show();
125    }
126    show() {
127      if (index_js.isDisabled(this._element) || this._isShown()) {
128        return;
129      }
130      const relatedTarget = {
131        relatedTarget: this._element
132      };
133      const showEvent = EventHandler.trigger(this._element, EVENT_SHOW, relatedTarget);
134      if (showEvent.defaultPrevented) {
135        return;
136      }
137      this._createPopper();
138
139      // If this is a touch-enabled device we add extra
140      // empty mouseover listeners to the body's immediate children;
141      // only needed because of broken event delegation on iOS
142      // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html
143      if ('ontouchstart' in document.documentElement && !this._parent.closest(SELECTOR_NAVBAR_NAV)) {
144        for (const element of [].concat(...document.body.children)) {
145          EventHandler.on(element, 'mouseover', index_js.noop);
146        }
147      }
148      this._element.focus();
149      this._element.setAttribute('aria-expanded', true);
150      this._menu.classList.add(CLASS_NAME_SHOW);
151      this._element.classList.add(CLASS_NAME_SHOW);
152      EventHandler.trigger(this._element, EVENT_SHOWN, relatedTarget);
153    }
154    hide() {
155      if (index_js.isDisabled(this._element) || !this._isShown()) {
156        return;
157      }
158      const relatedTarget = {
159        relatedTarget: this._element
160      };
161      this._completeHide(relatedTarget);
162    }
163    dispose() {
164      if (this._popper) {
165        this._popper.destroy();
166      }
167      super.dispose();
168    }
169    update() {
170      this._inNavbar = this._detectNavbar();
171      if (this._popper) {
172        this._popper.update();
173      }
174    }
175
176    // Private
177    _completeHide(relatedTarget) {
178      const hideEvent = EventHandler.trigger(this._element, EVENT_HIDE, relatedTarget);
179      if (hideEvent.defaultPrevented) {
180        return;
181      }
182
183      // If this is a touch-enabled device we remove the extra
184      // empty mouseover listeners we added for iOS support
185      if ('ontouchstart' in document.documentElement) {
186        for (const element of [].concat(...document.body.children)) {
187          EventHandler.off(element, 'mouseover', index_js.noop);
188        }
189      }
190      if (this._popper) {
191        this._popper.destroy();
192      }
193      this._menu.classList.remove(CLASS_NAME_SHOW);
194      this._element.classList.remove(CLASS_NAME_SHOW);
195      this._element.setAttribute('aria-expanded', 'false');
196      Manipulator.removeDataAttribute(this._menu, 'popper');
197      EventHandler.trigger(this._element, EVENT_HIDDEN, relatedTarget);
198    }
199    _getConfig(config) {
200      config = super._getConfig(config);
201      if (typeof config.reference === 'object' && !index_js.isElement(config.reference) && typeof config.reference.getBoundingClientRect !== 'function') {
202        // Popper virtual elements require a getBoundingClientRect method
203        throw new TypeError(`${NAME.toUpperCase()}: Option "reference" provided type "object" without a required "getBoundingClientRect" method.`);
204      }
205      return config;
206    }
207    _createPopper() {
208      if (typeof Popper__namespace === 'undefined') {
209        throw new TypeError('Bootstrap\'s dropdowns require Popper (https://popper.js.org)');
210      }
211      let referenceElement = this._element;
212      if (this._config.reference === 'parent') {
213        referenceElement = this._parent;
214      } else if (index_js.isElement(this._config.reference)) {
215        referenceElement = index_js.getElement(this._config.reference);
216      } else if (typeof this._config.reference === 'object') {
217        referenceElement = this._config.reference;
218      }
219      const popperConfig = this._getPopperConfig();
220      this._popper = Popper__namespace.createPopper(referenceElement, this._menu, popperConfig);
221    }
222    _isShown() {
223      return this._menu.classList.contains(CLASS_NAME_SHOW);
224    }
225    _getPlacement() {
226      const parentDropdown = this._parent;
227      if (parentDropdown.classList.contains(CLASS_NAME_DROPEND)) {
228        return PLACEMENT_RIGHT;
229      }
230      if (parentDropdown.classList.contains(CLASS_NAME_DROPSTART)) {
231        return PLACEMENT_LEFT;
232      }
233      if (parentDropdown.classList.contains(CLASS_NAME_DROPUP_CENTER)) {
234        return PLACEMENT_TOPCENTER;
235      }
236      if (parentDropdown.classList.contains(CLASS_NAME_DROPDOWN_CENTER)) {
237        return PLACEMENT_BOTTOMCENTER;
238      }
239
240      // We need to trim the value because custom properties can also include spaces
241      const isEnd = getComputedStyle(this._menu).getPropertyValue('--bs-position').trim() === 'end';
242      if (parentDropdown.classList.contains(CLASS_NAME_DROPUP)) {
243        return isEnd ? PLACEMENT_TOPEND : PLACEMENT_TOP;
244      }
245      return isEnd ? PLACEMENT_BOTTOMEND : PLACEMENT_BOTTOM;
246    }
247    _detectNavbar() {
248      return this._element.closest(SELECTOR_NAVBAR) !== null;
249    }
250    _getOffset() {
251      const {
252        offset
253      } = this._config;
254      if (typeof offset === 'string') {
255        return offset.split(',').map(value => Number.parseInt(value, 10));
256      }
257      if (typeof offset === 'function') {
258        return popperData => offset(popperData, this._element);
259      }
260      return offset;
261    }
262    _getPopperConfig() {
263      const defaultBsPopperConfig = {
264        placement: this._getPlacement(),
265        modifiers: [{
266          name: 'preventOverflow',
267          options: {
268            boundary: this._config.boundary
269          }
270        }, {
271          name: 'offset',
272          options: {
273            offset: this._getOffset()
274          }
275        }]
276      };
277
278      // Disable Popper if we have a static display or Dropdown is in Navbar
279      if (this._inNavbar || this._config.display === 'static') {
280        Manipulator.setDataAttribute(this._menu, 'popper', 'static'); // TODO: v6 remove
281        defaultBsPopperConfig.modifiers = [{
282          name: 'applyStyles',
283          enabled: false
284        }];
285      }
286      return {
287        ...defaultBsPopperConfig,
288        ...index_js.execute(this._config.popperConfig, [defaultBsPopperConfig])
289      };
290    }
291    _selectMenuItem({
292      key,
293      target
294    }) {
295      const items = SelectorEngine.find(SELECTOR_VISIBLE_ITEMS, this._menu).filter(element => index_js.isVisible(element));
296      if (!items.length) {
297        return;
298      }
299
300      // if target isn't included in items (e.g. when expanding the dropdown)
301      // allow cycling to get the last item in case key equals ARROW_UP_KEY
302      index_js.getNextActiveElement(items, target, key === ARROW_DOWN_KEY, !items.includes(target)).focus();
303    }
304
305    // Static
306    static jQueryInterface(config) {
307      return this.each(function () {
308        const data = Dropdown.getOrCreateInstance(this, config);
309        if (typeof config !== 'string') {
310          return;
311        }
312        if (typeof data[config] === 'undefined') {

313          throw new TypeError(`No method named "${config}"`);
314        }
315        data[config]();
316      });
317    }
318    static clearMenus(event) {
319      if (event.button === RIGHT_MOUSE_BUTTON || event.type === 'keyup' && event.key !== TAB_KEY) {
320        return;
321      }
322      const openToggles = SelectorEngine.find(SELECTOR_DATA_TOGGLE_SHOWN);
323      for (const toggle of openToggles) {
324        const context = Dropdown.getInstance(toggle);
325        if (!context || context._config.autoClose === false) {
326          continue;
327        }
328        const composedPath = event.composedPath();
329        const isMenuTarget = composedPath.includes(context._menu);
330        if (composedPath.includes(context._element) || context._config.autoClose === 'inside' && !isMenuTarget || context._config.autoClose === 'outside' && isMenuTarget) {
331          continue;
332        }
333
334        // Tab navigation through the dropdown menu or events from contained inputs shouldn't close the menu
335        if (context._menu.contains(event.target) && (event.type === 'keyup' && event.key === TAB_KEY || /input|select|option|textarea|form/i.test(event.target.tagName))) {
336          continue;
337        }
338        const relatedTarget = {
339          relatedTarget: context._element
340        };
341        if (event.type === 'click') {
342          relatedTarget.clickEvent = event;
343        }
344        context._completeHide(relatedTarget);
345      }
346    }
347    static dataApiKeydownHandler(event) {
348      // If not an UP | DOWN | ESCAPE key => not a dropdown command
349      // If input/textarea && if key is other than ESCAPE => not a dropdown command
350

351      const isInput = /input|textarea/i.test(event.target.tagName);
352      const isEscapeEvent = event.key === ESCAPE_KEY;
353      const isUpOrDownEvent = [ARROW_UP_KEY, ARROW_DOWN_KEY].includes(event.key);
354      if (!isUpOrDownEvent && !isEscapeEvent) {
355        return;
356      }
357      if (isInput && !isEscapeEvent) {
358        return;
359      }
360      event.preventDefault();
361
362      // TODO: v6 revert #37011 & change markup https://getbootstrap.com/docs/5.3/forms/input-group/
363      const getToggleButton = this.matches(SELECTOR_DATA_TOGGLE) ? this : SelectorEngine.prev(this, SELECTOR_DATA_TOGGLE)[0] || SelectorEngine.next(this, SELECTOR_DATA_TOGGLE)[0] || SelectorEngine.findOne(SELECTOR_DATA_TOGGLE, event.delegateTarget.parentNode);
364      const instance = Dropdown.getOrCreateInstance(getToggleButton);
365      if (isUpOrDownEvent) {
366        event.stopPropagation();
367        instance.show();
368        instance._selectMenuItem(event);
369        return;
370      }
371      if (instance._isShown()) {
372        // else is escape and we check if it is shown
373        event.stopPropagation();
374        instance.hide();
375        getToggleButton.focus();
376      }
377    }
378  }
379
380  /**
381   * Data API implementation
382   */
383
384  EventHandler.on(document, EVENT_KEYDOWN_DATA_API, SELECTOR_DATA_TOGGLE, Dropdown.dataApiKeydownHandler);
385  EventHandler.on(document, EVENT_KEYDOWN_DATA_API, SELECTOR_MENU, Dropdown.dataApiKeydownHandler);
386  EventHandler.on(document, EVENT_CLICK_DATA_API, Dropdown.clearMenus);
387  EventHandler.on(document, EVENT_KEYUP_DATA_API, Dropdown.clearMenus);
388  EventHandler.on(document, EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {
389    event.preventDefault();
390    Dropdown.getOrCreateInstance(this).toggle();
391  });
392
393  /**
394   * jQuery
395   */
396
397  index_js.defineJQueryPlugin(Dropdown);
398
399  return Dropdown;
400
401}));
402//# sourceMappingURL=dropdown.js.map