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/media/vendor/bootstrap/js/ -> dropdown.js (source)

   1  import { P as Popper, c as createPopper } from './popper.js?5.1.3';
   2  import { b as isRTL, E as EventHandler, d as defineJQueryPlugin, B as BaseComponent, j as isDisabled, M as Manipulator, n as noop, a as typeCheckConfig, k as isElement, h as getElement, S as SelectorEngine, i as isVisible, g as getNextActiveElement, c as getElementFromSelector } from './dom.js?5.1.3';
   3  
   4  /**
   5   * --------------------------------------------------------------------------
   6   * Bootstrap (v5.1.3): dropdown.js
   7   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
   8   * --------------------------------------------------------------------------
   9   */
  10  /**
  11   * ------------------------------------------------------------------------
  12   * Constants
  13   * ------------------------------------------------------------------------
  14   */
  15  
  16  const NAME = 'dropdown';
  17  const DATA_KEY = 'bs.dropdown';
  18  const EVENT_KEY = `.$DATA_KEY}`;
  19  const DATA_API_KEY = '.data-api';
  20  const ESCAPE_KEY = 'Escape';
  21  const SPACE_KEY = 'Space';
  22  const TAB_KEY = 'Tab';
  23  const ARROW_UP_KEY = 'ArrowUp';
  24  const ARROW_DOWN_KEY = 'ArrowDown';
  25  const RIGHT_MOUSE_BUTTON = 2; // MouseEvent.button value for the secondary button, usually the right button
  26  
  27  const REGEXP_KEYDOWN = new RegExp(`$ARROW_UP_KEY}|$ARROW_DOWN_KEY}|$ESCAPE_KEY}`);
  28  const EVENT_HIDE = `hide$EVENT_KEY}`;
  29  const EVENT_HIDDEN = `hidden$EVENT_KEY}`;
  30  const EVENT_SHOW = `show$EVENT_KEY}`;
  31  const EVENT_SHOWN = `shown$EVENT_KEY}`;
  32  const EVENT_CLICK_DATA_API = `click$EVENT_KEY}$DATA_API_KEY}`;
  33  const EVENT_KEYDOWN_DATA_API = `keydown$EVENT_KEY}$DATA_API_KEY}`;
  34  const EVENT_KEYUP_DATA_API = `keyup$EVENT_KEY}$DATA_API_KEY}`;
  35  const CLASS_NAME_SHOW = 'show';
  36  const CLASS_NAME_DROPUP = 'dropup';
  37  const CLASS_NAME_DROPEND = 'dropend';
  38  const CLASS_NAME_DROPSTART = 'dropstart';
  39  const CLASS_NAME_NAVBAR = 'navbar';
  40  const SELECTOR_DATA_TOGGLE = '[data-bs-toggle="dropdown"]';
  41  const SELECTOR_MENU = '.dropdown-menu';
  42  const SELECTOR_NAVBAR_NAV = '.navbar-nav';
  43  const SELECTOR_VISIBLE_ITEMS = '.dropdown-menu .dropdown-item:not(.disabled):not(:disabled)';
  44  const PLACEMENT_TOP = isRTL() ? 'top-end' : 'top-start';
  45  const PLACEMENT_TOPEND = isRTL() ? 'top-start' : 'top-end';
  46  const PLACEMENT_BOTTOM = isRTL() ? 'bottom-end' : 'bottom-start';
  47  const PLACEMENT_BOTTOMEND = isRTL() ? 'bottom-start' : 'bottom-end';
  48  const PLACEMENT_RIGHT = isRTL() ? 'left-start' : 'right-start';
  49  const PLACEMENT_LEFT = isRTL() ? 'right-start' : 'left-start';
  50  const Default = {
  51    offset: [0, 2],
  52    boundary: 'clippingParents',
  53    reference: 'toggle',
  54    display: 'dynamic',
  55    popperConfig: null,
  56    autoClose: true
  57  };
  58  const DefaultType = {
  59    offset: '(array|string|function)',
  60    boundary: '(string|element)',
  61    reference: '(string|element|object)',
  62    display: 'string',
  63    popperConfig: '(null|object|function)',
  64    autoClose: '(boolean|string)'
  65  };
  66  /**
  67   * ------------------------------------------------------------------------
  68   * Class Definition
  69   * ------------------------------------------------------------------------
  70   */
  71  
  72  class Dropdown extends BaseComponent {
  73    constructor(element, config) {
  74      super(element);
  75      this._popper = null;
  76      this._config = this._getConfig(config);
  77      this._menu = this._getMenuElement();
  78      this._inNavbar = this._detectNavbar();
  79    } // Getters
  80  
  81  
  82    static get Default() {
  83      return Default;
  84    }
  85  
  86    static get DefaultType() {
  87      return DefaultType;
  88    }
  89  
  90    static get NAME() {
  91      return NAME;
  92    } // Public
  93  
  94  
  95    toggle() {
  96      return this._isShown() ? this.hide() : this.show();
  97    }
  98  
  99    show() {
 100      if (isDisabled(this._element) || this._isShown(this._menu)) {
 101        return;
 102      }
 103  
 104      const relatedTarget = {
 105        relatedTarget: this._element
 106      };
 107      const showEvent = EventHandler.trigger(this._element, EVENT_SHOW, relatedTarget);
 108  
 109      if (showEvent.defaultPrevented) {
 110        return;
 111      }
 112  
 113      const parent = Dropdown.getParentFromElement(this._element); // Totally disable Popper for Dropdowns in Navbar
 114  
 115      if (this._inNavbar) {
 116        Manipulator.setDataAttribute(this._menu, 'popper', 'none');
 117      } else {
 118        this._createPopper(parent);
 119      } // If this is a touch-enabled device we add extra
 120      // empty mouseover listeners to the body's immediate children;
 121      // only needed because of broken event delegation on iOS
 122      // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html
 123  
 124  
 125      if ('ontouchstart' in document.documentElement && !parent.closest(SELECTOR_NAVBAR_NAV)) {
 126        [].concat(...document.body.children).forEach(elem => EventHandler.on(elem, 'mouseover', noop));
 127      }
 128  
 129      this._element.focus();
 130  
 131      this._element.setAttribute('aria-expanded', true);
 132  
 133      this._menu.classList.add(CLASS_NAME_SHOW);
 134  
 135      this._element.classList.add(CLASS_NAME_SHOW);
 136  
 137      EventHandler.trigger(this._element, EVENT_SHOWN, relatedTarget);
 138    }
 139  
 140    hide() {
 141      if (isDisabled(this._element) || !this._isShown(this._menu)) {
 142        return;
 143      }
 144  
 145      const relatedTarget = {
 146        relatedTarget: this._element
 147      };
 148  
 149      this._completeHide(relatedTarget);
 150    }
 151  
 152    dispose() {
 153      if (this._popper) {
 154        this._popper.destroy();
 155      }
 156  
 157      super.dispose();
 158    }
 159  
 160    update() {
 161      this._inNavbar = this._detectNavbar();
 162  
 163      if (this._popper) {
 164        this._popper.update();
 165      }
 166    } // Private
 167  
 168  
 169    _completeHide(relatedTarget) {
 170      const hideEvent = EventHandler.trigger(this._element, EVENT_HIDE, relatedTarget);
 171  
 172      if (hideEvent.defaultPrevented) {
 173        return;
 174      } // If this is a touch-enabled device we remove the extra
 175      // empty mouseover listeners we added for iOS support
 176  
 177  
 178      if ('ontouchstart' in document.documentElement) {
 179        [].concat(...document.body.children).forEach(elem => EventHandler.off(elem, 'mouseover', noop));
 180      }
 181  
 182      if (this._popper) {
 183        this._popper.destroy();
 184      }
 185  
 186      this._menu.classList.remove(CLASS_NAME_SHOW);
 187  
 188      this._element.classList.remove(CLASS_NAME_SHOW);
 189  
 190      this._element.setAttribute('aria-expanded', 'false');
 191  
 192      Manipulator.removeDataAttribute(this._menu, 'popper');
 193      EventHandler.trigger(this._element, EVENT_HIDDEN, relatedTarget);
 194    }
 195  
 196    _getConfig(config) {
 197      config = { ...this.constructor.Default,
 198        ...Manipulator.getDataAttributes(this._element),
 199        ...config
 200      };
 201      typeCheckConfig(NAME, config, this.constructor.DefaultType);
 202  
 203      if (typeof config.reference === 'object' && !isElement(config.reference) && typeof config.reference.getBoundingClientRect !== 'function') {
 204        // Popper virtual elements require a getBoundingClientRect method
 205        throw new TypeError(`$NAME.toUpperCase()}: Option "reference" provided type "object" without a required "getBoundingClientRect" method.`);
 206      }
 207  
 208      return config;
 209    }
 210  
 211    _createPopper(parent) {
 212      if (typeof Popper === 'undefined') {
 213        throw new TypeError('Bootstrap\'s dropdowns require Popper (https://popper.js.org)');
 214      }
 215  
 216      let referenceElement = this._element;
 217  
 218      if (this._config.reference === 'parent') {
 219        referenceElement = parent;
 220      } else if (isElement(this._config.reference)) {
 221        referenceElement = getElement(this._config.reference);
 222      } else if (typeof this._config.reference === 'object') {
 223        referenceElement = this._config.reference;
 224      }
 225  
 226      const popperConfig = this._getPopperConfig();
 227  
 228      const isDisplayStatic = popperConfig.modifiers.find(modifier => modifier.name === 'applyStyles' && modifier.enabled === false);
 229      this._popper = createPopper(referenceElement, this._menu, popperConfig);
 230  
 231      if (isDisplayStatic) {
 232        Manipulator.setDataAttribute(this._menu, 'popper', 'static');
 233      }
 234    }
 235  
 236    _isShown() {
 237      let element = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : this._element;
 238      return element.classList.contains(CLASS_NAME_SHOW);
 239    }
 240  
 241    _getMenuElement() {
 242      return SelectorEngine.next(this._element, SELECTOR_MENU)[0];
 243    }
 244  
 245    _getPlacement() {
 246      const parentDropdown = this._element.parentNode;
 247  
 248      if (parentDropdown.classList.contains(CLASS_NAME_DROPEND)) {
 249        return PLACEMENT_RIGHT;
 250      }
 251  
 252      if (parentDropdown.classList.contains(CLASS_NAME_DROPSTART)) {
 253        return PLACEMENT_LEFT;
 254      } // We need to trim the value because custom properties can also include spaces
 255  
 256  
 257      const isEnd = getComputedStyle(this._menu).getPropertyValue('--bs-position').trim() === 'end';
 258  
 259      if (parentDropdown.classList.contains(CLASS_NAME_DROPUP)) {
 260        return isEnd ? PLACEMENT_TOPEND : PLACEMENT_TOP;
 261      }
 262  
 263      return isEnd ? PLACEMENT_BOTTOMEND : PLACEMENT_BOTTOM;
 264    }
 265  
 266    _detectNavbar() {
 267      return this._element.closest(`.$CLASS_NAME_NAVBAR}`) !== null;
 268    }
 269  
 270    _getOffset() {
 271      const {
 272        offset
 273      } = this._config;
 274  
 275      if (typeof offset === 'string') {
 276        return offset.split(',').map(val => Number.parseInt(val, 10));
 277      }
 278  
 279      if (typeof offset === 'function') {
 280        return popperData => offset(popperData, this._element);
 281      }
 282  
 283      return offset;
 284    }
 285  
 286    _getPopperConfig() {
 287      const defaultBsPopperConfig = {
 288        placement: this._getPlacement(),
 289        modifiers: [{
 290          name: 'preventOverflow',
 291          options: {
 292            boundary: this._config.boundary
 293          }
 294        }, {
 295          name: 'offset',
 296          options: {
 297            offset: this._getOffset()
 298          }
 299        }]
 300      }; // Disable Popper if we have a static display
 301  
 302      if (this._config.display === 'static') {
 303        defaultBsPopperConfig.modifiers = [{
 304          name: 'applyStyles',
 305          enabled: false
 306        }];
 307      }
 308  
 309      return { ...defaultBsPopperConfig,
 310        ...(typeof this._config.popperConfig === 'function' ? this._config.popperConfig(defaultBsPopperConfig) : this._config.popperConfig)
 311      };
 312    }
 313  
 314    _selectMenuItem(_ref) {
 315      let {
 316        key,
 317        target
 318      } = _ref;
 319      const items = SelectorEngine.find(SELECTOR_VISIBLE_ITEMS, this._menu).filter(isVisible);
 320  
 321      if (!items.length) {
 322        return;
 323      } // if target isn't included in items (e.g. when expanding the dropdown)
 324      // allow cycling to get the last item in case key equals ARROW_UP_KEY
 325  
 326  
 327      getNextActiveElement(items, target, key === ARROW_DOWN_KEY, !items.includes(target)).focus();
 328    } // Static
 329  
 330  
 331    static jQueryInterface(config) {
 332      return this.each(function () {
 333        const data = Dropdown.getOrCreateInstance(this, config);
 334  
 335        if (typeof config !== 'string') {
 336          return;
 337        }
 338  
 339        if (typeof data[config] === 'undefined') {
 340          throw new TypeError(`No method named "$config}"`);
 341        }
 342  
 343        data[config]();
 344      });
 345    }
 346  
 347    static clearMenus(event) {
 348      if (event && (event.button === RIGHT_MOUSE_BUTTON || event.type === 'keyup' && event.key !== TAB_KEY)) {
 349        return;
 350      }
 351  
 352      const toggles = SelectorEngine.find(SELECTOR_DATA_TOGGLE);
 353  
 354      for (let i = 0, len = toggles.length; i < len; i++) {
 355        const context = Dropdown.getInstance(toggles[i]);
 356  
 357        if (!context || context._config.autoClose === false) {
 358          continue;
 359        }
 360  
 361        if (!context._isShown()) {
 362          continue;
 363        }
 364  
 365        const relatedTarget = {
 366          relatedTarget: context._element
 367        };
 368  
 369        if (event) {
 370          const composedPath = event.composedPath();
 371          const isMenuTarget = composedPath.includes(context._menu);
 372  
 373          if (composedPath.includes(context._element) || context._config.autoClose === 'inside' && !isMenuTarget || context._config.autoClose === 'outside' && isMenuTarget) {
 374            continue;
 375          } // Tab navigation through the dropdown menu or events from contained inputs shouldn't close the menu
 376  
 377  
 378          if (context._menu.contains(event.target) && (event.type === 'keyup' && event.key === TAB_KEY || /input|select|option|textarea|form/i.test(event.target.tagName))) {
 379            continue;
 380          }
 381  
 382          if (event.type === 'click') {
 383            relatedTarget.clickEvent = event;
 384          }
 385        }
 386  
 387        context._completeHide(relatedTarget);
 388      }
 389    }
 390  
 391    static getParentFromElement(element) {
 392      return getElementFromSelector(element) || element.parentNode;
 393    }
 394  
 395    static dataApiKeydownHandler(event) {
 396      // If not input/textarea:
 397      //  - And not a key in REGEXP_KEYDOWN => not a dropdown command
 398      // If input/textarea:
 399      //  - If space key => not a dropdown command
 400      //  - If key is other than escape
 401      //    - If key is not up or down => not a dropdown command
 402      //    - If trigger inside the menu => not a dropdown command
 403      if (/input|textarea/i.test(event.target.tagName) ? event.key === SPACE_KEY || event.key !== ESCAPE_KEY && (event.key !== ARROW_DOWN_KEY && event.key !== ARROW_UP_KEY || event.target.closest(SELECTOR_MENU)) : !REGEXP_KEYDOWN.test(event.key)) {
 404        return;
 405      }
 406  
 407      const isActive = this.classList.contains(CLASS_NAME_SHOW);
 408  
 409      if (!isActive && event.key === ESCAPE_KEY) {
 410        return;
 411      }
 412  
 413      event.preventDefault();
 414      event.stopPropagation();
 415  
 416      if (isDisabled(this)) {
 417        return;
 418      }
 419  
 420      const getToggleButton = this.matches(SELECTOR_DATA_TOGGLE) ? this : SelectorEngine.prev(this, SELECTOR_DATA_TOGGLE)[0];
 421      const instance = Dropdown.getOrCreateInstance(getToggleButton);
 422  
 423      if (event.key === ESCAPE_KEY) {
 424        instance.hide();
 425        return;
 426      }
 427  
 428      if (event.key === ARROW_UP_KEY || event.key === ARROW_DOWN_KEY) {
 429        if (!isActive) {
 430          instance.show();
 431        }
 432  
 433        instance._selectMenuItem(event);
 434  
 435        return;
 436      }
 437  
 438      if (!isActive || event.key === SPACE_KEY) {
 439        Dropdown.clearMenus();
 440      }
 441    }
 442  
 443  }
 444  /**
 445   * ------------------------------------------------------------------------
 446   * Data Api implementation
 447   * ------------------------------------------------------------------------
 448   */
 449  
 450  
 451  EventHandler.on(document, EVENT_KEYDOWN_DATA_API, SELECTOR_DATA_TOGGLE, Dropdown.dataApiKeydownHandler);
 452  EventHandler.on(document, EVENT_KEYDOWN_DATA_API, SELECTOR_MENU, Dropdown.dataApiKeydownHandler);
 453  EventHandler.on(document, EVENT_CLICK_DATA_API, Dropdown.clearMenus);
 454  EventHandler.on(document, EVENT_KEYUP_DATA_API, Dropdown.clearMenus);
 455  EventHandler.on(document, EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {
 456    event.preventDefault();
 457    Dropdown.getOrCreateInstance(this).toggle();
 458  });
 459  /**
 460   * ------------------------------------------------------------------------
 461   * jQuery
 462   * ------------------------------------------------------------------------
 463   * add .Dropdown to jQuery only if jQuery is present
 464   */
 465  
 466  defineJQueryPlugin(Dropdown);
 467  
 468  window.bootstrap = window.bootstrap || {};
 469  window.bootstrap.Dropdown = Dropdown;
 470  
 471  if (Joomla && Joomla.getOptions) {
 472    // Get the elements/configurations from the PHP
 473    const dropdowns = Joomla.getOptions('bootstrap.dropdown'); // Initialise the elements
 474  
 475    if (typeof dropdowns === 'object' && dropdowns !== null) {
 476      Object.keys(dropdowns).forEach(dropdown => {
 477        const opt = dropdowns[dropdown];
 478        const options = {
 479          interval: opt.interval ? opt.interval : 5000,
 480          pause: opt.pause ? opt.pause : 'hover'
 481        };
 482        const elements = Array.from(document.querySelectorAll(dropdown));
 483  
 484        if (elements.length) {
 485          elements.map(el => new window.bootstrap.Dropdown(el, options));
 486        }
 487      });
 488    }
 489  }
 490  
 491  export { Dropdown as D };


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