Skip to content
GitLab
Switch branch/tag
Find file BlameHistoryPermalink
dropdown.js 9.39 KiB
1 
(function (global, factory) {
2 
  if (typeof define === 'function' && define.amd) {
3 
    define(['exports', 'module', './util'], factory);
4 
  } else if (typeof exports !== 'undefined' && typeof module !== 'undefined') {
5 
    factory(exports, module, require('./util'));
6 
  } else {
7 
    var mod = {
8 
      exports: {}
9 
    };
10 
    factory(mod.exports, mod, global.Util);
11 
    global.dropdown = mod.exports;
12 
  }
13 
})(this, function (exports, module, _util) {
14 
  'use strict';
15
16 
  var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
17
18 
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
19
20 
  function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
21
22 
  var _Util = _interopRequireDefault(_util);
23
24 
  /**
25 
   * --------------------------------------------------------------------------
26 
   * Bootstrap (v4.0.0): dropdown.js
27 
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
28 
   * --------------------------------------------------------------------------
29 
   */
30
31 
  var Dropdown = (function ($) {
32
33 
    /**
34 
     * ------------------------------------------------------------------------
35 
     * Constants
36 
     * ------------------------------------------------------------------------
37 
     */
38
39 
    var NAME = 'dropdown';
40 
    var VERSION = '4.0.0';
41 
    var DATA_KEY = 'bs.dropdown';
42 
    var EVENT_KEY = '.' + DATA_KEY;
43 
    var DATA_API_KEY = '.data-api';
44 
    var JQUERY_NO_CONFLICT = $.fn[NAME];
45
46 
    var Event = {
47 
      HIDE: 'hide' + EVENT_KEY,
48 
      HIDDEN: 'hidden' + EVENT_KEY,
49 
      SHOW: 'show' + EVENT_KEY,
50 
      SHOWN: 'shown' + EVENT_KEY,
51 
      CLICK: 'click' + EVENT_KEY,
52 
      CLICK_DATA_API: 'click' + EVENT_KEY + DATA_API_KEY,
53 
      KEYDOWN_DATA_API: 'keydown' + EVENT_KEY + DATA_API_KEY
54 
    };
55
56 
    var ClassName = {
57 
      BACKDROP: 'dropdown-backdrop',
58 
      DISABLED: 'disabled',
59 
      OPEN: 'open'
60 
    };
61
62 
    var Selector = {
63 
      BACKDROP: '.dropdown-backdrop',
64 
      DATA_TOGGLE: '[data-toggle="dropdown"]',
65 
      FORM_CHILD: '.dropdown form',
66 
      ROLE_MENU: '[role="menu"]',
67 
      ROLE_LISTBOX: '[role="listbox"]',
68 
      NAVBAR_NAV: '.navbar-nav',
69 
      VISIBLE_ITEMS: '[role="menu"] li:not(.disabled) a, ' + '[role="listbox"] li:not(.disabled) a'
70 
    };
7172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140
/** * ------------------------------------------------------------------------ * Class Definition * ------------------------------------------------------------------------ */ var Dropdown = (function () { function Dropdown(element) { _classCallCheck(this, Dropdown); this._element = element; this._addEventListeners(); } /** * ------------------------------------------------------------------------ * Data Api implementation * ------------------------------------------------------------------------ */ // getters _createClass(Dropdown, [{ key: 'toggle', // public value: function toggle() { if (this.disabled || $(this).hasClass(ClassName.DISABLED)) { return; } var parent = Dropdown._getParentFromElement(this); var isActive = $(parent).hasClass(ClassName.OPEN); Dropdown._clearMenus(); if (isActive) { return false; } if ('ontouchstart' in document.documentElement && !$(parent).closest(Selector.NAVBAR_NAV).length) { // if mobile we use a backdrop because click events don't delegate var dropdown = document.createElement('div'); dropdown.className = ClassName.BACKDROP; $(dropdown).insertBefore(this); $(dropdown).on('click', Dropdown._clearMenus); } var relatedTarget = { relatedTarget: this }; var showEvent = $.Event(Event.SHOW, relatedTarget); $(parent).trigger(showEvent); if (showEvent.isDefaultPrevented()) { return; } this.focus(); this.setAttribute('aria-expanded', 'true'); $(parent).toggleClass(ClassName.OPEN); $(parent).trigger(Event.SHOWN, relatedTarget); return false; } }, {
141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210
key: 'dispose', value: function dispose() { $.removeData(this._element, DATA_KEY); $(this._element).off(EVENT_KEY); this._element = null; } // private }, { key: '_addEventListeners', value: function _addEventListeners() { $(this._element).on(Event.CLICK, this.toggle); } // static }], [{ key: '_jQueryInterface', value: function _jQueryInterface(config) { return this.each(function () { var data = $(this).data(DATA_KEY); if (!data) { $(this).data(DATA_KEY, data = new Dropdown(this)); } if (typeof config === 'string') { data[config].call(this); } }); } }, { key: '_clearMenus', value: function _clearMenus(event) { if (event && event.which === 3) { return; } var backdrop = $(Selector.BACKDROP)[0]; if (backdrop) { backdrop.parentNode.removeChild(backdrop); } var toggles = $.makeArray($(Selector.DATA_TOGGLE)); for (var i = 0; i < toggles.length; i++) { var _parent = Dropdown._getParentFromElement(toggles[i]); var relatedTarget = { relatedTarget: toggles[i] }; if (!$(_parent).hasClass(ClassName.OPEN)) { continue; } if (event && event.type === 'click' && /input|textarea/i.test(event.target.tagName) && $.contains(_parent, event.target)) { continue; } var hideEvent = $.Event(Event.HIDE, relatedTarget); $(_parent).trigger(hideEvent); if (hideEvent.isDefaultPrevented()) { continue; } toggles[i].setAttribute('aria-expanded', 'false'); $(_parent).removeClass(ClassName.OPEN).trigger(Event.HIDDEN, relatedTarget); } } }, {
211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280
key: '_getParentFromElement', value: function _getParentFromElement(element) { var parent = undefined; var selector = _Util['default'].getSelectorFromElement(element); if (selector) { parent = $(selector)[0]; } return parent || element.parentNode; } }, { key: '_dataApiKeydownHandler', value: function _dataApiKeydownHandler(event) { if (!/(38|40|27|32)/.test(event.which) || /input|textarea/i.test(event.target.tagName)) { return; } event.preventDefault(); event.stopPropagation(); if (this.disabled || $(this).hasClass(ClassName.DISABLED)) { return; } var parent = Dropdown._getParentFromElement(this); var isActive = $(parent).hasClass(ClassName.OPEN); if (!isActive && event.which !== 27 || isActive && event.which === 27) { if (event.which === 27) { var toggle = $(parent).find(Selector.DATA_TOGGLE)[0]; $(toggle).trigger('focus'); } $(this).trigger('click'); return; } var items = $.makeArray($(Selector.VISIBLE_ITEMS)); items = items.filter(function (item) { return item.offsetWidth || item.offsetHeight; }); if (!items.length) { return; } var index = items.indexOf(event.target); if (event.which === 38 && index > 0) index--; // up if (event.which === 40 && index < items.length - 1) index++; // down if (! ~index) index = 0; items[index].focus(); } }, { key: 'VERSION', get: function get() { return VERSION; } }]); return Dropdown; })(); $(document).on(Event.KEYDOWN_DATA_API, Selector.DATA_TOGGLE, Dropdown._dataApiKeydownHandler).on(Event.KEYDOWN_DATA_API, Selector.ROLE_MENU, Dropdown._dataApiKeydownHandler).on(Event.KEYDOWN_DATA_API, Selector.ROLE_LISTBOX, Dropdown._dataApiKeydownHandler).on(Event.CLICK_DATA_API, Dropdown._clearMenus).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, Dropdown.prototype.toggle).on(Event.CLICK_DATA_API, Selector.FORM_CHILD, function (e) { e.stopPropagation(); });
281282283284285286287288289290291292293294295296297298299300
/** * ------------------------------------------------------------------------ * jQuery * ------------------------------------------------------------------------ */ $.fn[NAME] = Dropdown._jQueryInterface; $.fn[NAME].Constructor = Dropdown; $.fn[NAME].noConflict = function () { $.fn[NAME] = JQUERY_NO_CONFLICT; return Dropdown._jQueryInterface; }; return Dropdown; })(jQuery); module.exports = Dropdown; });