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usmannasir
289
static/baseTemplate/assets/widgets/dropdown/dropdown.js
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289
static/baseTemplate/assets/widgets/dropdown/dropdown.js
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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 _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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/**
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* --------------------------------------------------------------------------
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* Bootstrap (v4.0.0-alpha.6): 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.6';
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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 ESCAPE_KEYCODE = 27; // KeyboardEvent.which value for Escape (Esc) key
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var SPACE_KEYCODE = 32; // KeyboardEvent.which value for space key
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var ARROW_UP_KEYCODE = 38; // KeyboardEvent.which value for up arrow key
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var ARROW_DOWN_KEYCODE = 40; // KeyboardEvent.which value for down arrow key
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var RIGHT_MOUSE_BUTTON_WHICH = 3; // MouseEvent.which value for the right button (assuming a right-handed mouse)
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var REGEXP_KEYDOWN = new RegExp(ARROW_UP_KEYCODE + '|' + ARROW_DOWN_KEYCODE + '|' + ESCAPE_KEYCODE + '|' + SPACE_KEYCODE);
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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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FOCUSIN_DATA_API: 'focusin' + 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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SHOW: 'show'
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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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// getters
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// public
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Dropdown.prototype.toggle = 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 = $(parent).hasClass(ClassName.SHOW);
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Dropdown._clearMenus();
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if (isActive) {
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return false;
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}
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if ('ontouchstart' in document.documentElement && !$(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 = {
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relatedTarget: this
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};
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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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$(parent).toggleClass(ClassName.SHOW);
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$(parent).trigger($.Event(Event.SHOWN, relatedTarget));
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return false;
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};
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Dropdown.prototype.dispose = function dispose() {
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$.removeData(this._element, DATA_KEY);
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$(this._element).off(EVENT_KEY);
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this._element = null;
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};
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// private
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Dropdown.prototype._addEventListeners = function _addEventListeners() {
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$(this._element).on(Event.CLICK, this.toggle);
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};
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// static
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Dropdown._jQueryInterface = function _jQueryInterface(config) {
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return this.each(function () {
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var data = $(this).data(DATA_KEY);
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if (!data) {
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data = new Dropdown(this);
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$(this).data(DATA_KEY, data);
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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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Dropdown._clearMenus = function _clearMenus(event) {
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if (event && event.which === RIGHT_MOUSE_BUTTON_WHICH) {
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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 = {
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relatedTarget: toggles[i]
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};
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if (!$(parent).hasClass(ClassName.SHOW)) {
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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) || event.type === 'focusin') && $.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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$(parent).removeClass(ClassName.SHOW).trigger($.Event(Event.HIDDEN, relatedTarget));
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}
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};
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Dropdown._getParentFromElement = function _getParentFromElement(element) {
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var parent = void 0;
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var selector = Util.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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Dropdown._dataApiKeydownHandler = function _dataApiKeydownHandler(event) {
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if (!REGEXP_KEYDOWN.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.SHOW);
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if (!isActive && event.which !== ESCAPE_KEYCODE || isActive && event.which === ESCAPE_KEYCODE) {
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if (event.which === ESCAPE_KEYCODE) {
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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 = $(parent).find(Selector.VISIBLE_ITEMS).get();
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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 === ARROW_UP_KEYCODE && index > 0) {
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// up
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index--;
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}
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if (event.which === ARROW_DOWN_KEYCODE && index < items.length - 1) {
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// down
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index++;
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}
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if (index < 0) {
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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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_createClass(Dropdown, null, [{
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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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/**
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* ------------------------------------------------------------------------
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* Data Api implementation
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* ------------------------------------------------------------------------
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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 + ' ' + Event.FOCUSIN_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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//# sourceMappingURL=dropdown.js.map
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