313 lines
9.7 KiB
JavaScript
313 lines
9.7 KiB
JavaScript
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(function (global, factory) {
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if (typeof define === 'function' && define.amd) {
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define(['exports', 'module', './util'], factory);
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} else if (typeof exports !== 'undefined' && typeof module !== 'undefined') {
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factory(exports, module, require('./util'));
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} else {
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var mod = {
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exports: {}
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};
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factory(mod.exports, mod, global.Util);
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global.dropdown = mod.exports;
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}
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})(this, function (exports, module, _util) {
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'use strict';
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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; }; })();
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
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var _Util = _interopRequireDefault(_util);
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/**
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* --------------------------------------------------------------------------
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* Bootstrap (v4.0.0-alpha.2): dropdown.js
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* Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
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* --------------------------------------------------------------------------
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*/
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var Dropdown = (function ($) {
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/**
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* ------------------------------------------------------------------------
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* Constants
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* ------------------------------------------------------------------------
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*/
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var NAME = 'dropdown';
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var VERSION = '4.0.0-alpha';
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var DATA_KEY = 'bs.dropdown';
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var EVENT_KEY = '.' + DATA_KEY;
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var DATA_API_KEY = '.data-api';
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var JQUERY_NO_CONFLICT = $.fn[NAME];
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var Event = {
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HIDE: 'hide' + EVENT_KEY,
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HIDDEN: 'hidden' + EVENT_KEY,
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SHOW: 'show' + EVENT_KEY,
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SHOWN: 'shown' + EVENT_KEY,
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CLICK: 'click' + EVENT_KEY,
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CLICK_DATA_API: 'click' + EVENT_KEY + DATA_API_KEY,
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KEYDOWN_DATA_API: 'keydown' + EVENT_KEY + DATA_API_KEY
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};
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var ClassName = {
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BACKDROP: 'dropdown-backdrop',
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DISABLED: 'disabled',
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OPEN: 'open'
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};
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var Selector = {
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BACKDROP: '.dropdown-backdrop',
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DATA_TOGGLE: '[data-toggle="dropdown"]',
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FORM_CHILD: '.dropdown form',
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ROLE_MENU: '[role="menu"]',
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ROLE_LISTBOX: '[role="listbox"]',
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NAVBAR_NAV: '.navbar-nav',
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VISIBLE_ITEMS: '[role="menu"] li:not(.disabled) a, ' + '[role="listbox"] li:not(.disabled) a'
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};
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/**
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* ------------------------------------------------------------------------
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* Class Definition
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* ------------------------------------------------------------------------
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*/
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var Dropdown = (function () {
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function Dropdown(element) {
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_classCallCheck(this, Dropdown);
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this._element = element;
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this._addEventListeners();
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}
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/**
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* ------------------------------------------------------------------------
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* Data Api implementation
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* ------------------------------------------------------------------------
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*/
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// getters
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_createClass(Dropdown, [{
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key: 'toggle',
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// public
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value: function toggle() {
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if (this.disabled || $(this).hasClass(ClassName.DISABLED)) {
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return false;
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}
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var parent = Dropdown._getParentFromElement(this);
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var isActive = $(parent).hasClass(ClassName.OPEN);
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Dropdown._clearMenus();
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if (isActive) {
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return false;
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}
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if ('ontouchstart' in document.documentElement && !$(parent).closest(Selector.NAVBAR_NAV).length) {
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// if mobile we use a backdrop because click events don't delegate
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var dropdown = document.createElement('div');
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dropdown.className = ClassName.BACKDROP;
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$(dropdown).insertBefore(this);
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$(dropdown).on('click', Dropdown._clearMenus);
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}
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var relatedTarget = { relatedTarget: this };
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var showEvent = $.Event(Event.SHOW, relatedTarget);
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$(parent).trigger(showEvent);
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if (showEvent.isDefaultPrevented()) {
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return false;
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}
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this.focus();
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this.setAttribute('aria-expanded', 'true');
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$(parent).toggleClass(ClassName.OPEN);
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$(parent).trigger($.Event(Event.SHOWN, relatedTarget));
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return false;
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}
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}, {
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key: 'dispose',
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value: function dispose() {
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$.removeData(this._element, DATA_KEY);
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$(this._element).off(EVENT_KEY);
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this._element = null;
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}
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// private
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}, {
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key: '_addEventListeners',
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value: function _addEventListeners() {
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$(this._element).on(Event.CLICK, this.toggle);
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}
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// static
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}], [{
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key: '_jQueryInterface',
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value: function _jQueryInterface(config) {
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return this.each(function () {
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var data = $(this).data(DATA_KEY);
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if (!data) {
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$(this).data(DATA_KEY, data = new Dropdown(this));
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}
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if (typeof config === 'string') {
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if (data[config] === undefined) {
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throw new Error('No method named "' + config + '"');
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}
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data[config].call(this);
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}
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});
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}
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}, {
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key: '_clearMenus',
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value: function _clearMenus(event) {
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if (event && event.which === 3) {
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return;
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}
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var backdrop = $(Selector.BACKDROP)[0];
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if (backdrop) {
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backdrop.parentNode.removeChild(backdrop);
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}
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var toggles = $.makeArray($(Selector.DATA_TOGGLE));
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for (var i = 0; i < toggles.length; i++) {
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var _parent = Dropdown._getParentFromElement(toggles[i]);
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var relatedTarget = { relatedTarget: toggles[i] };
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if (!$(_parent).hasClass(ClassName.OPEN)) {
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continue;
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}
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if (event && event.type === 'click' && /input|textarea/i.test(event.target.tagName) && $.contains(_parent, event.target)) {
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continue;
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}
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var hideEvent = $.Event(Event.HIDE, relatedTarget);
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$(_parent).trigger(hideEvent);
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if (hideEvent.isDefaultPrevented()) {
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continue;
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}
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toggles[i].setAttribute('aria-expanded', 'false');
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$(_parent).removeClass(ClassName.OPEN).trigger($.Event(Event.HIDDEN, relatedTarget));
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}
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}
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}, {
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key: '_getParentFromElement',
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value: function _getParentFromElement(element) {
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var parent = undefined;
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var selector = _Util['default'].getSelectorFromElement(element);
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if (selector) {
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parent = $(selector)[0];
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}
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return parent || element.parentNode;
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}
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}, {
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key: '_dataApiKeydownHandler',
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value: function _dataApiKeydownHandler(event) {
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if (!/(38|40|27|32)/.test(event.which) || /input|textarea/i.test(event.target.tagName)) {
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return;
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}
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event.preventDefault();
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event.stopPropagation();
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if (this.disabled || $(this).hasClass(ClassName.DISABLED)) {
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return;
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}
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var parent = Dropdown._getParentFromElement(this);
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var isActive = $(parent).hasClass(ClassName.OPEN);
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if (!isActive && event.which !== 27 || isActive && event.which === 27) {
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if (event.which === 27) {
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var toggle = $(parent).find(Selector.DATA_TOGGLE)[0];
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$(toggle).trigger('focus');
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}
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$(this).trigger('click');
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return;
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}
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var items = $.makeArray($(Selector.VISIBLE_ITEMS));
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items = items.filter(function (item) {
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return item.offsetWidth || item.offsetHeight;
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});
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if (!items.length) {
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return;
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}
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var index = items.indexOf(event.target);
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if (event.which === 38 && index > 0) {
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// up
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index--;
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}
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if (event.which === 40 && index < items.length - 1) {
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// down
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index++;
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}
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if (! ~index) {
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index = 0;
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}
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items[index].focus();
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}
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}, {
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key: 'VERSION',
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get: function get() {
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return VERSION;
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}
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}]);
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return Dropdown;
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})();
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$(document).on(Event.KEYDOWN_DATA_API, Selector.DATA_TOGGLE, Dropdown._dataApiKeydownHandler).on(Event.KEYDOWN_DATA_API, Selector.ROLE_MENU, Dropdown._dataApiKeydownHandler).on(Event.KEYDOWN_DATA_API, Selector.ROLE_LISTBOX, Dropdown._dataApiKeydownHandler).on(Event.CLICK_DATA_API, Dropdown._clearMenus).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, Dropdown.prototype.toggle).on(Event.CLICK_DATA_API, Selector.FORM_CHILD, function (e) {
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e.stopPropagation();
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});
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/**
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* ------------------------------------------------------------------------
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* jQuery
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* ------------------------------------------------------------------------
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*/
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$.fn[NAME] = Dropdown._jQueryInterface;
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$.fn[NAME].Constructor = Dropdown;
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$.fn[NAME].noConflict = function () {
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$.fn[NAME] = JQUERY_NO_CONFLICT;
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return Dropdown._jQueryInterface;
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};
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return Dropdown;
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})(jQuery);
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module.exports = Dropdown;
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});
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