--- /dev/null
+/*!
+ * # Fomantic-UI - Dropdown
+ * http://github.com/fomantic/Fomantic-UI/
+ *
+ *
+ * Released under the MIT license
+ * http://opensource.org/licenses/MIT
+ *
+ */
+
+/*
+ * Copyright 2019 The Gitea Authors
+ * Released under the MIT license
+ * http://opensource.org/licenses/MIT
+ * This version has been modified by Gitea to improve accessibility.
+ */
+
+;(function ($, window, document, undefined) {
+
+'use strict';
+
+$.isFunction = $.isFunction || function(obj) {
+ return typeof obj === "function" && typeof obj.nodeType !== "number";
+};
+
+window = (typeof window != 'undefined' && window.Math == Math)
+ ? window
+ : (typeof self != 'undefined' && self.Math == Math)
+ ? self
+ : Function('return this')()
+;
+
+$.fn.dropdown = function(parameters) {
+ var
+ $allModules = $(this),
+ $document = $(document),
+
+ moduleSelector = $allModules.selector || '',
+
+ hasTouch = ('ontouchstart' in document.documentElement),
+ clickEvent = hasTouch
+ ? 'touchstart'
+ : 'click',
+
+ time = new Date().getTime(),
+ performance = [],
+
+ query = arguments[0],
+ methodInvoked = (typeof query == 'string'),
+ queryArguments = [].slice.call(arguments, 1),
+ lastAriaID = 1,
+ returnedValue
+ ;
+
+ $allModules
+ .each(function(elementIndex) {
+ var
+ settings = ( $.isPlainObject(parameters) )
+ ? $.extend(true, {}, $.fn.dropdown.settings, parameters)
+ : $.extend({}, $.fn.dropdown.settings),
+
+ className = settings.className,
+ message = settings.message,
+ fields = settings.fields,
+ keys = settings.keys,
+ metadata = settings.metadata,
+ namespace = settings.namespace,
+ regExp = settings.regExp,
+ selector = settings.selector,
+ error = settings.error,
+ templates = settings.templates,
+
+ eventNamespace = '.' + namespace,
+ moduleNamespace = 'module-' + namespace,
+
+ $module = $(this),
+ $context = $(settings.context),
+ $text = $module.find(selector.text),
+ $search = $module.find(selector.search),
+ $sizer = $module.find(selector.sizer),
+ $input = $module.find(selector.input),
+ $icon = $module.find(selector.icon),
+ $clear = $module.find(selector.clearIcon),
+
+ $combo = ($module.prev().find(selector.text).length > 0)
+ ? $module.prev().find(selector.text)
+ : $module.prev(),
+
+ $menu = $module.children(selector.menu),
+ $item = $menu.find(selector.item),
+ $divider = settings.hideDividers ? $item.parent().children(selector.divider) : $(),
+
+ activated = false,
+ itemActivated = false,
+ internalChange = false,
+ iconClicked = false,
+ element = this,
+ instance = $module.data(moduleNamespace),
+
+ selectActionActive,
+ initialLoad,
+ pageLostFocus,
+ willRefocus,
+ elementNamespace,
+ id,
+ selectObserver,
+ menuObserver,
+ classObserver,
+ module
+ ;
+
+ module = {
+
+ initialize: function() {
+ module.debug('Initializing dropdown', settings);
+
+ if( module.is.alreadySetup() ) {
+ module.setup.reference();
+ }
+ else {
+ if (settings.ignoreDiacritics && !String.prototype.normalize) {
+ settings.ignoreDiacritics = false;
+ module.error(error.noNormalize, element);
+ }
+
+ module.setup.layout();
+
+ if(settings.values) {
+ module.set.initialLoad();
+ module.change.values(settings.values);
+ module.remove.initialLoad();
+ }
+
+ module.refreshData();
+
+ module.save.defaults();
+ module.restore.selected();
+
+ module.create.id();
+ module.bind.events();
+
+ module.observeChanges();
+ module.instantiate();
+
+ module.aria.setup();
+ }
+
+ },
+
+ instantiate: function() {
+ module.verbose('Storing instance of dropdown', module);
+ instance = module;
+ $module
+ .data(moduleNamespace, module)
+ ;
+ },
+
+ destroy: function() {
+ module.verbose('Destroying previous dropdown', $module);
+ module.remove.tabbable();
+ module.remove.active();
+ $menu.transition('stop all');
+ $menu.removeClass(className.visible).addClass(className.hidden);
+ $module
+ .off(eventNamespace)
+ .removeData(moduleNamespace)
+ ;
+ $menu
+ .off(eventNamespace)
+ ;
+ $document
+ .off(elementNamespace)
+ ;
+ module.disconnect.menuObserver();
+ module.disconnect.selectObserver();
+ module.disconnect.classObserver();
+ },
+
+ observeChanges: function() {
+ if('MutationObserver' in window) {
+ selectObserver = new MutationObserver(module.event.select.mutation);
+ menuObserver = new MutationObserver(module.event.menu.mutation);
+ classObserver = new MutationObserver(module.event.class.mutation);
+ module.debug('Setting up mutation observer', selectObserver, menuObserver, classObserver);
+ module.observe.select();
+ module.observe.menu();
+ module.observe.class();
+ }
+ },
+
+ disconnect: {
+ menuObserver: function() {
+ if(menuObserver) {
+ menuObserver.disconnect();
+ }
+ },
+ selectObserver: function() {
+ if(selectObserver) {
+ selectObserver.disconnect();
+ }
+ },
+ classObserver: function() {
+ if(classObserver) {
+ classObserver.disconnect();
+ }
+ }
+ },
+ observe: {
+ select: function() {
+ if(module.has.input() && selectObserver) {
+ selectObserver.observe($module[0], {
+ childList : true,
+ subtree : true
+ });
+ }
+ },
+ menu: function() {
+ if(module.has.menu() && menuObserver) {
+ menuObserver.observe($menu[0], {
+ childList : true,
+ subtree : true
+ });
+ }
+ },
+ class: function() {
+ if(module.has.search() && classObserver) {
+ classObserver.observe($module[0], {
+ attributes : true
+ });
+ }
+ }
+ },
+
+ create: {
+ id: function() {
+ id = (Math.random().toString(16) + '000000000').substr(2, 8);
+ elementNamespace = '.' + id;
+ module.verbose('Creating unique id for element', id);
+ },
+ userChoice: function(values) {
+ var
+ $userChoices,
+ $userChoice,
+ isUserValue,
+ html
+ ;
+ values = values || module.get.userValues();
+ if(!values) {
+ return false;
+ }
+ values = Array.isArray(values)
+ ? values
+ : [values]
+ ;
+ $.each(values, function(index, value) {
+ if(module.get.item(value) === false) {
+ html = settings.templates.addition( module.add.variables(message.addResult, value) );
+ $userChoice = $('<div />')
+ .html(html)
+ .attr('data-' + metadata.value, value)
+ .attr('data-' + metadata.text, value)
+ .addClass(className.addition)
+ .addClass(className.item)
+ ;
+ if(settings.hideAdditions) {
+ $userChoice.addClass(className.hidden);
+ }
+ $userChoices = ($userChoices === undefined)
+ ? $userChoice
+ : $userChoices.add($userChoice)
+ ;
+ module.verbose('Creating user choices for value', value, $userChoice);
+ }
+ });
+ return $userChoices;
+ },
+ userLabels: function(value) {
+ var
+ userValues = module.get.userValues()
+ ;
+ if(userValues) {
+ module.debug('Adding user labels', userValues);
+ $.each(userValues, function(index, value) {
+ module.verbose('Adding custom user value');
+ module.add.label(value, value);
+ });
+ }
+ },
+ menu: function() {
+ $menu = $('<div />')
+ .addClass(className.menu)
+ .appendTo($module)
+ ;
+ },
+ sizer: function() {
+ $sizer = $('<span />')
+ .addClass(className.sizer)
+ .insertAfter($search)
+ ;
+ }
+ },
+
+ search: function(query) {
+ query = (query !== undefined)
+ ? query
+ : module.get.query()
+ ;
+ module.verbose('Searching for query', query);
+ if(module.has.minCharacters(query)) {
+ module.filter(query);
+ }
+ else {
+ module.hide(null,true);
+ }
+ },
+
+ select: {
+ firstUnfiltered: function() {
+ module.verbose('Selecting first non-filtered element');
+ module.remove.selectedItem();
+ $item
+ .not(selector.unselectable)
+ .not(selector.addition + selector.hidden)
+ .eq(0)
+ .addClass(className.selected)
+ ;
+ },
+ nextAvailable: function($selected) {
+ $selected = $selected.eq(0);
+ var
+ $nextAvailable = $selected.nextAll(selector.item).not(selector.unselectable).eq(0),
+ $prevAvailable = $selected.prevAll(selector.item).not(selector.unselectable).eq(0),
+ hasNext = ($nextAvailable.length > 0)
+ ;
+ if(hasNext) {
+ module.verbose('Moving selection to', $nextAvailable);
+ $nextAvailable.addClass(className.selected);
+ }
+ else {
+ module.verbose('Moving selection to', $prevAvailable);
+ $prevAvailable.addClass(className.selected);
+ }
+ }
+ },
+
+ aria: {
+ setup: function() {
+ var role = module.aria.guessRole();
+ if( role !== 'menu' ) {
+ return;
+ }
+ $module.attr('aria-busy', 'true');
+ $module.attr('role', 'menu');
+ $module.attr('aria-haspopup', 'menu');
+ $module.attr('aria-expanded', 'false');
+ $menu.find('.divider').attr('role', 'separator');
+ $item.attr('role', 'menuitem');
+ $item.each(function (index, item) {
+ if( !item.id ) {
+ item.id = module.aria.nextID('menuitem');
+ }
+ });
+ $text = $module
+ .find('> .text')
+ .eq(0)
+ ;
+ if( $module.data('content') ) {
+ $text.attr('aria-hidden');
+ $module.attr('aria-label', $module.data('content'));
+ }
+ else {
+ $text.attr('id', module.aria.nextID('menutext'));
+ $module.attr('aria-labelledby', $text.attr('id'));
+ }
+ $module.attr('aria-busy', 'false');
+ },
+ nextID: function(prefix) {
+ var nextID;
+ do {
+ nextID = prefix + '_' + lastAriaID++;
+ } while( document.getElementById(nextID) );
+ return nextID;
+ },
+ setExpanded: function(expanded) {
+ if( $module.attr('aria-haspopup') ) {
+ $module.attr('aria-expanded', expanded);
+ }
+ },
+ refreshDescendant: function() {
+ if( $module.attr('aria-haspopup') !== 'menu' ) {
+ return;
+ }
+ var
+ $currentlySelected = $item.not(selector.unselectable).filter('.' + className.selected).eq(0),
+ $activeItem = $menu.children('.' + className.active).eq(0),
+ $selectedItem = ($currentlySelected.length > 0)
+ ? $currentlySelected
+ : $activeItem
+ ;
+ if( $selectedItem ) {
+ $module.attr('aria-activedescendant', $selectedItem.attr('id'));
+ }
+ else {
+ module.aria.removeDescendant();
+ }
+ },
+ removeDescendant: function() {
+ if( $module.attr('aria-haspopup') == 'menu' ) {
+ $module.removeAttr('aria-activedescendant');
+ }
+ },
+ guessRole: function() {
+ var
+ isIcon = $module.hasClass('icon'),
+ hasSearch = module.has.search(),
+ hasInput = ($input.length > 0),
+ isMultiple = module.is.multiple()
+ ;
+ if ( !isIcon && !hasSearch && !hasInput && !isMultiple ) {
+ return 'menu';
+ }
+ return 'unknown';
+ }
+ },
+
+ setup: {
+ api: function() {
+ var
+ apiSettings = {
+ debug : settings.debug,
+ urlData : {
+ value : module.get.value(),
+ query : module.get.query()
+ },
+ on : false
+ }
+ ;
+ module.verbose('First request, initializing API');
+ $module
+ .api(apiSettings)
+ ;
+ },
+ layout: function() {
+ if( $module.is('select') ) {
+ module.setup.select();
+ module.setup.returnedObject();
+ }
+ if( !module.has.menu() ) {
+ module.create.menu();
+ }
+ if ( module.is.selection() && module.is.clearable() && !module.has.clearItem() ) {
+ module.verbose('Adding clear icon');
+ $clear = $('<i />')
+ .addClass('remove icon')
+ .insertBefore($text)
+ ;
+ }
+ if( module.is.search() && !module.has.search() ) {
+ module.verbose('Adding search input');
+ $search = $('<input />')
+ .addClass(className.search)
+ .prop('autocomplete', 'off')
+ .insertBefore($text)
+ ;
+ }
+ if( module.is.multiple() && module.is.searchSelection() && !module.has.sizer()) {
+ module.create.sizer();
+ }
+ if(settings.allowTab) {
+ module.set.tabbable();
+ }
+ $item.attr('tabindex', '-1');
+ },
+ select: function() {
+ var
+ selectValues = module.get.selectValues()
+ ;
+ module.debug('Dropdown initialized on a select', selectValues);
+ if( $module.is('select') ) {
+ $input = $module;
+ }
+ // see if select is placed correctly already
+ if($input.parent(selector.dropdown).length > 0) {
+ module.debug('UI dropdown already exists. Creating dropdown menu only');
+ $module = $input.closest(selector.dropdown);
+ if( !module.has.menu() ) {
+ module.create.menu();
+ }
+ $menu = $module.children(selector.menu);
+ module.setup.menu(selectValues);
+ }
+ else {
+ module.debug('Creating entire dropdown from select');
+ $module = $('<div />')
+ .attr('class', $input.attr('class') )
+ .addClass(className.selection)
+ .addClass(className.dropdown)
+ .html( templates.dropdown(selectValues, fields, settings.preserveHTML, settings.className) )
+ .insertBefore($input)
+ ;
+ if($input.hasClass(className.multiple) && $input.prop('multiple') === false) {
+ module.error(error.missingMultiple);
+ $input.prop('multiple', true);
+ }
+ if($input.is('[multiple]')) {
+ module.set.multiple();
+ }
+ if ($input.prop('disabled')) {
+ module.debug('Disabling dropdown');
+ $module.addClass(className.disabled);
+ }
+ $input
+ .removeAttr('required')
+ .removeAttr('class')
+ .detach()
+ .prependTo($module)
+ ;
+ }
+ module.refresh();
+ },
+ menu: function(values) {
+ $menu.html( templates.menu(values, fields,settings.preserveHTML,settings.className));
+ $item = $menu.find(selector.item);
+ $divider = settings.hideDividers ? $item.parent().children(selector.divider) : $();
+ },
+ reference: function() {
+ module.debug('Dropdown behavior was called on select, replacing with closest dropdown');
+ // replace module reference
+ $module = $module.parent(selector.dropdown);
+ instance = $module.data(moduleNamespace);
+ element = $module.get(0);
+ module.refresh();
+ module.setup.returnedObject();
+ },
+ returnedObject: function() {
+ var
+ $firstModules = $allModules.slice(0, elementIndex),
+ $lastModules = $allModules.slice(elementIndex + 1)
+ ;
+ // adjust all modules to use correct reference
+ $allModules = $firstModules.add($module).add($lastModules);
+ }
+ },
+
+ refresh: function() {
+ module.refreshSelectors();
+ module.refreshData();
+ },
+
+ refreshItems: function() {
+ $item = $menu.find(selector.item);
+ $divider = settings.hideDividers ? $item.parent().children(selector.divider) : $();
+ },
+
+ refreshSelectors: function() {
+ module.verbose('Refreshing selector cache');
+ $text = $module.find(selector.text);
+ $search = $module.find(selector.search);
+ $input = $module.find(selector.input);
+ $icon = $module.find(selector.icon);
+ $combo = ($module.prev().find(selector.text).length > 0)
+ ? $module.prev().find(selector.text)
+ : $module.prev()
+ ;
+ $menu = $module.children(selector.menu);
+ $item = $menu.find(selector.item);
+ $divider = settings.hideDividers ? $item.parent().children(selector.divider) : $();
+ },
+
+ refreshData: function() {
+ module.verbose('Refreshing cached metadata');
+ $item
+ .removeData(metadata.text)
+ .removeData(metadata.value)
+ ;
+ },
+
+ clearData: function() {
+ module.verbose('Clearing metadata');
+ $item
+ .removeData(metadata.text)
+ .removeData(metadata.value)
+ ;
+ $module
+ .removeData(metadata.defaultText)
+ .removeData(metadata.defaultValue)
+ .removeData(metadata.placeholderText)
+ ;
+ },
+
+ toggle: function() {
+ module.verbose('Toggling menu visibility');
+ if( !module.is.active() ) {
+ module.show();
+ }
+ else {
+ module.hide();
+ }
+ },
+
+ show: function(callback, preventFocus) {
+ callback = $.isFunction(callback)
+ ? callback
+ : function(){}
+ ;
+ if(!module.can.show() && module.is.remote()) {
+ module.debug('No API results retrieved, searching before show');
+ module.queryRemote(module.get.query(), module.show);
+ }
+ if( module.can.show() && !module.is.active() ) {
+ module.debug('Showing dropdown');
+ if(module.has.message() && !(module.has.maxSelections() || module.has.allResultsFiltered()) ) {
+ module.remove.message();
+ }
+ if(module.is.allFiltered()) {
+ return true;
+ }
+ if(settings.onShow.call(element) !== false) {
+ module.aria.setExpanded(true);
+ module.aria.refreshDescendant();
+ module.animate.show(function() {
+ if( module.can.click() ) {
+ module.bind.intent();
+ }
+ if(module.has.search() && !preventFocus) {
+ module.focusSearch();
+ }
+ module.set.visible();
+ callback.call(element);
+ });
+ }
+ }
+ },
+
+ hide: function(callback, preventBlur) {
+ callback = $.isFunction(callback)
+ ? callback
+ : function(){}
+ ;
+ if( module.is.active() && !module.is.animatingOutward() ) {
+ module.debug('Hiding dropdown');
+ if(settings.onHide.call(element) !== false) {
+ module.aria.setExpanded(false);
+ module.aria.removeDescendant();
+ module.animate.hide(function() {
+ module.remove.visible();
+ // hidding search focus
+ if ( module.is.focusedOnSearch() && preventBlur !== true ) {
+ $search.blur();
+ }
+ callback.call(element);
+ });
+ }
+ } else if( module.can.click() ) {
+ module.unbind.intent();
+ }
+ iconClicked = false;
+ },
+
+ hideOthers: function() {
+ module.verbose('Finding other dropdowns to hide');
+ $allModules
+ .not($module)
+ .has(selector.menu + '.' + className.visible)
+ .dropdown('hide')
+ ;
+ },
+
+ hideMenu: function() {
+ module.verbose('Hiding menu instantaneously');
+ module.remove.active();
+ module.remove.visible();
+ $menu.transition('hide');
+ },
+
+ hideSubMenus: function() {
+ var
+ $subMenus = $menu.children(selector.item).find(selector.menu)
+ ;
+ module.verbose('Hiding sub menus', $subMenus);
+ $subMenus.transition('hide');
+ },
+
+ bind: {
+ events: function() {
+ module.bind.keyboardEvents();
+ module.bind.inputEvents();
+ module.bind.mouseEvents();
+ },
+ keyboardEvents: function() {
+ module.verbose('Binding keyboard events');
+ $module
+ .on('keydown' + eventNamespace, module.event.keydown)
+ ;
+ if( module.has.search() ) {
+ $module
+ .on(module.get.inputEvent() + eventNamespace, selector.search, module.event.input)
+ ;
+ }
+ if( module.is.multiple() ) {
+ $document
+ .on('keydown' + elementNamespace, module.event.document.keydown)
+ ;
+ }
+ },
+ inputEvents: function() {
+ module.verbose('Binding input change events');
+ $module
+ .on('change' + eventNamespace, selector.input, module.event.change)
+ ;
+ },
+ mouseEvents: function() {
+ module.verbose('Binding mouse events');
+ if(module.is.multiple()) {
+ $module
+ .on(clickEvent + eventNamespace, selector.label, module.event.label.click)
+ .on(clickEvent + eventNamespace, selector.remove, module.event.remove.click)
+ ;
+ }
+ if( module.is.searchSelection() ) {
+ $module
+ .on('mousedown' + eventNamespace, module.event.mousedown)
+ .on('mouseup' + eventNamespace, module.event.mouseup)
+ .on('mousedown' + eventNamespace, selector.menu, module.event.menu.mousedown)
+ .on('mouseup' + eventNamespace, selector.menu, module.event.menu.mouseup)
+ .on(clickEvent + eventNamespace, selector.icon, module.event.icon.click)
+ .on(clickEvent + eventNamespace, selector.clearIcon, module.event.clearIcon.click)
+ .on('focus' + eventNamespace, selector.search, module.event.search.focus)
+ .on(clickEvent + eventNamespace, selector.search, module.event.search.focus)
+ .on('blur' + eventNamespace, selector.search, module.event.search.blur)
+ .on(clickEvent + eventNamespace, selector.text, module.event.text.focus)
+ ;
+ if(module.is.multiple()) {
+ $module
+ .on(clickEvent + eventNamespace, module.event.click)
+ ;
+ }
+ }
+ else {
+ if(settings.on == 'click') {
+ $module
+ .on(clickEvent + eventNamespace, selector.icon, module.event.icon.click)
+ .on(clickEvent + eventNamespace, module.event.test.toggle)
+ ;
+ }
+ else if(settings.on == 'hover') {
+ $module
+ .on('mouseenter' + eventNamespace, module.delay.show)
+ .on('mouseleave' + eventNamespace, module.delay.hide)
+ ;
+ }
+ else {
+ $module
+ .on(settings.on + eventNamespace, module.toggle)
+ ;
+ }
+ $module
+ .on('mousedown' + eventNamespace, module.event.mousedown)
+ .on('mouseup' + eventNamespace, module.event.mouseup)
+ .on('focus' + eventNamespace, module.event.focus)
+ .on(clickEvent + eventNamespace, selector.clearIcon, module.event.clearIcon.click)
+ ;
+ if(module.has.menuSearch() ) {
+ $module
+ .on('blur' + eventNamespace, selector.search, module.event.search.blur)
+ ;
+ }
+ else {
+ $module
+ .on('blur' + eventNamespace, module.event.blur)
+ ;
+ }
+ }
+ $menu
+ .on((hasTouch ? 'touchstart' : 'mouseenter') + eventNamespace, selector.item, module.event.item.mouseenter)
+ .on('mouseleave' + eventNamespace, selector.item, module.event.item.mouseleave)
+ .on('click' + eventNamespace, selector.item, module.event.item.click)
+ ;
+ },
+ intent: function() {
+ module.verbose('Binding hide intent event to document');
+ if(hasTouch) {
+ $document
+ .on('touchstart' + elementNamespace, module.event.test.touch)
+ .on('touchmove' + elementNamespace, module.event.test.touch)
+ ;
+ }
+ $document
+ .on(clickEvent + elementNamespace, module.event.test.hide)
+ ;
+ }
+ },
+
+ unbind: {
+ intent: function() {
+ module.verbose('Removing hide intent event from document');
+ if(hasTouch) {
+ $document
+ .off('touchstart' + elementNamespace)
+ .off('touchmove' + elementNamespace)
+ ;
+ }
+ $document
+ .off(clickEvent + elementNamespace)
+ ;
+ }
+ },
+
+ filter: function(query) {
+ var
+ searchTerm = (query !== undefined)
+ ? query
+ : module.get.query(),
+ afterFiltered = function() {
+ if(module.is.multiple()) {
+ module.filterActive();
+ }
+ if(query || (!query && module.get.activeItem().length == 0)) {
+ module.select.firstUnfiltered();
+ }
+ if( module.has.allResultsFiltered() ) {
+ if( settings.onNoResults.call(element, searchTerm) ) {
+ if(settings.allowAdditions) {
+ if(settings.hideAdditions) {
+ module.verbose('User addition with no menu, setting empty style');
+ module.set.empty();
+ module.hideMenu();
+ }
+ }
+ else {
+ module.verbose('All items filtered, showing message', searchTerm);
+ module.add.message(message.noResults);
+ }
+ }
+ else {
+ module.verbose('All items filtered, hiding dropdown', searchTerm);
+ module.hideMenu();
+ }
+ }
+ else {
+ module.remove.empty();
+ module.remove.message();
+ }
+ if(settings.allowAdditions) {
+ module.add.userSuggestion(module.escape.htmlEntities(query));
+ }
+ if(module.is.searchSelection() && module.can.show() && module.is.focusedOnSearch() ) {
+ module.show();
+ }
+ }
+ ;
+ if(settings.useLabels && module.has.maxSelections()) {
+ return;
+ }
+ if(settings.apiSettings) {
+ if( module.can.useAPI() ) {
+ module.queryRemote(searchTerm, function() {
+ if(settings.filterRemoteData) {
+ module.filterItems(searchTerm);
+ }
+ var preSelected = $input.val();
+ if(!Array.isArray(preSelected)) {
+ preSelected = preSelected && preSelected!=="" ? preSelected.split(settings.delimiter) : [];
+ }
+ $.each(preSelected,function(index,value){
+ $item.filter('[data-value="'+value+'"]')
+ .addClass(className.filtered)
+ ;
+ });
+ afterFiltered();
+ });
+ }
+ else {
+ module.error(error.noAPI);
+ }
+ }
+ else {
+ module.filterItems(searchTerm);
+ afterFiltered();
+ }
+ },
+
+ queryRemote: function(query, callback) {
+ var
+ apiSettings = {
+ errorDuration : false,
+ cache : 'local',
+ throttle : settings.throttle,
+ urlData : {
+ query: query
+ },
+ onError: function() {
+ module.add.message(message.serverError);
+ callback();
+ },
+ onFailure: function() {
+ module.add.message(message.serverError);
+ callback();
+ },
+ onSuccess : function(response) {
+ var
+ values = response[fields.remoteValues]
+ ;
+ if (!Array.isArray(values)){
+ values = [];
+ }
+ module.remove.message();
+ var menuConfig = {};
+ menuConfig[fields.values] = values;
+ module.setup.menu(menuConfig);
+
+ if(values.length===0 && !settings.allowAdditions) {
+ module.add.message(message.noResults);
+ }
+ callback();
+ }
+ }
+ ;
+ if( !$module.api('get request') ) {
+ module.setup.api();
+ }
+ apiSettings = $.extend(true, {}, apiSettings, settings.apiSettings);
+ $module
+ .api('setting', apiSettings)
+ .api('query')
+ ;
+ },
+
+ filterItems: function(query) {
+ var
+ searchTerm = module.remove.diacritics(query !== undefined
+ ? query
+ : module.get.query()
+ ),
+ results = null,
+ escapedTerm = module.escape.string(searchTerm),
+ regExpFlags = (settings.ignoreSearchCase ? 'i' : '') + 'gm',
+ beginsWithRegExp = new RegExp('^' + escapedTerm, regExpFlags)
+ ;
+ // avoid loop if we're matching nothing
+ if( module.has.query() ) {
+ results = [];
+
+ module.verbose('Searching for matching values', searchTerm);
+ $item
+ .each(function(){
+ var
+ $choice = $(this),
+ text,
+ value
+ ;
+ if($choice.hasClass(className.unfilterable)) {
+ results.push(this);
+ return true;
+ }
+ if(settings.match === 'both' || settings.match === 'text') {
+ text = module.remove.diacritics(String(module.get.choiceText($choice, false)));
+ if(text.search(beginsWithRegExp) !== -1) {
+ results.push(this);
+ return true;
+ }
+ else if (settings.fullTextSearch === 'exact' && module.exactSearch(searchTerm, text)) {
+ results.push(this);
+ return true;
+ }
+ else if (settings.fullTextSearch === true && module.fuzzySearch(searchTerm, text)) {
+ results.push(this);
+ return true;
+ }
+ }
+ if(settings.match === 'both' || settings.match === 'value') {
+ value = module.remove.diacritics(String(module.get.choiceValue($choice, text)));
+ if(value.search(beginsWithRegExp) !== -1) {
+ results.push(this);
+ return true;
+ }
+ else if (settings.fullTextSearch === 'exact' && module.exactSearch(searchTerm, value)) {
+ results.push(this);
+ return true;
+ }
+ else if (settings.fullTextSearch === true && module.fuzzySearch(searchTerm, value)) {
+ results.push(this);
+ return true;
+ }
+ }
+ })
+ ;
+ }
+ module.debug('Showing only matched items', searchTerm);
+ module.remove.filteredItem();
+ if(results) {
+ $item
+ .not(results)
+ .addClass(className.filtered)
+ ;
+ }
+
+ if(!module.has.query()) {
+ $divider
+ .removeClass(className.hidden);
+ } else if(settings.hideDividers === true) {
+ $divider
+ .addClass(className.hidden);
+ } else if(settings.hideDividers === 'empty') {
+ $divider
+ .removeClass(className.hidden)
+ .filter(function() {
+ // First find the last divider in this divider group
+ // Dividers which are direct siblings are considered a group
+ var lastDivider = $(this).nextUntil(selector.item);
+
+ return (lastDivider.length ? lastDivider : $(this))
+ // Count all non-filtered items until the next divider (or end of the dropdown)
+ .nextUntil(selector.divider)
+ .filter(selector.item + ":not(." + className.filtered + ")")
+ // Hide divider if no items are found
+ .length === 0;
+ })
+ .addClass(className.hidden);
+ }
+ },
+
+ fuzzySearch: function(query, term) {
+ var
+ termLength = term.length,
+ queryLength = query.length
+ ;
+ query = (settings.ignoreSearchCase ? query.toLowerCase() : query);
+ term = (settings.ignoreSearchCase ? term.toLowerCase() : term);
+ if(queryLength > termLength) {
+ return false;
+ }
+ if(queryLength === termLength) {
+ return (query === term);
+ }
+ search: for (var characterIndex = 0, nextCharacterIndex = 0; characterIndex < queryLength; characterIndex++) {
+ var
+ queryCharacter = query.charCodeAt(characterIndex)
+ ;
+ while(nextCharacterIndex < termLength) {
+ if(term.charCodeAt(nextCharacterIndex++) === queryCharacter) {
+ continue search;
+ }
+ }
+ return false;
+ }
+ return true;
+ },
+ exactSearch: function (query, term) {
+ query = (settings.ignoreSearchCase ? query.toLowerCase() : query);
+ term = (settings.ignoreSearchCase ? term.toLowerCase() : term);
+ return term.indexOf(query) > -1;
+
+ },
+ filterActive: function() {
+ if(settings.useLabels) {
+ $item.filter('.' + className.active)
+ .addClass(className.filtered)
+ ;
+ }
+ },
+
+ focusSearch: function(skipHandler) {
+ if( module.has.search() && !module.is.focusedOnSearch() ) {
+ if(skipHandler) {
+ $module.off('focus' + eventNamespace, selector.search);
+ $search.focus();
+ $module.on('focus' + eventNamespace, selector.search, module.event.search.focus);
+ }
+ else {
+ $search.focus();
+ }
+ }
+ },
+
+ blurSearch: function() {
+ if( module.has.search() ) {
+ $search.blur();
+ }
+ },
+
+ forceSelection: function() {
+ var
+ $currentlySelected = $item.not(className.filtered).filter('.' + className.selected).eq(0),
+ $activeItem = $item.not(className.filtered).filter('.' + className.active).eq(0),
+ $selectedItem = ($currentlySelected.length > 0)
+ ? $currentlySelected
+ : $activeItem,
+ hasSelected = ($selectedItem.length > 0)
+ ;
+ if(settings.allowAdditions || (hasSelected && !module.is.multiple())) {
+ module.debug('Forcing partial selection to selected item', $selectedItem);
+ module.event.item.click.call($selectedItem, {}, true);
+ }
+ else {
+ module.remove.searchTerm();
+ }
+ },
+
+ change: {
+ values: function(values) {
+ if(!settings.allowAdditions) {
+ module.clear();
+ }
+ module.debug('Creating dropdown with specified values', values);
+ var menuConfig = {};
+ menuConfig[fields.values] = values;
+ module.setup.menu(menuConfig);
+ $.each(values, function(index, item) {
+ if(item.selected == true) {
+ module.debug('Setting initial selection to', item[fields.value]);
+ module.set.selected(item[fields.value]);
+ if(!module.is.multiple()) {
+ return false;
+ }
+ }
+ });
+
+ if(module.has.selectInput()) {
+ module.disconnect.selectObserver();
+ $input.html('');
+ $input.append('<option disabled selected value></option>');
+ $.each(values, function(index, item) {
+ var
+ value = settings.templates.deQuote(item[fields.value]),
+ name = settings.templates.escape(
+ item[fields.name] || '',
+ settings.preserveHTML
+ )
+ ;
+ $input.append('<option value="' + value + '">' + name + '</option>');
+ });
+ module.observe.select();
+ }
+ }
+ },
+
+ event: {
+ change: function() {
+ if(!internalChange) {
+ module.debug('Input changed, updating selection');
+ module.set.selected();
+ }
+ },
+ focus: function() {
+ if(settings.showOnFocus && !activated && module.is.hidden() && !pageLostFocus) {
+ module.show();
+ }
+ },
+ blur: function(event) {
+ pageLostFocus = (document.activeElement === this);
+ if(!activated && !pageLostFocus) {
+ module.remove.activeLabel();
+ module.hide();
+ }
+ },
+ mousedown: function() {
+ if(module.is.searchSelection()) {
+ // prevent menu hiding on immediate re-focus
+ willRefocus = true;
+ }
+ else {
+ // prevents focus callback from occurring on mousedown
+ activated = true;
+ }
+ },
+ mouseup: function() {
+ if(module.is.searchSelection()) {
+ // prevent menu hiding on immediate re-focus
+ willRefocus = false;
+ }
+ else {
+ activated = false;
+ }
+ },
+ click: function(event) {
+ var
+ $target = $(event.target)
+ ;
+ // focus search
+ if($target.is($module)) {
+ if(!module.is.focusedOnSearch()) {
+ module.focusSearch();
+ }
+ else {
+ module.show();
+ }
+ }
+ },
+ search: {
+ focus: function(event) {
+ activated = true;
+ if(module.is.multiple()) {
+ module.remove.activeLabel();
+ }
+ if(settings.showOnFocus || (event.type !== 'focus' && event.type !== 'focusin')) {
+ module.search();
+ }
+ },
+ blur: function(event) {
+ pageLostFocus = (document.activeElement === this);
+ if(module.is.searchSelection() && !willRefocus) {
+ if(!itemActivated && !pageLostFocus) {
+ if(settings.forceSelection) {
+ module.forceSelection();
+ } else if(!settings.allowAdditions){
+ module.remove.searchTerm();
+ }
+ module.hide();
+ }
+ }
+ willRefocus = false;
+ }
+ },
+ clearIcon: {
+ click: function(event) {
+ module.clear();
+ if(module.is.searchSelection()) {
+ module.remove.searchTerm();
+ }
+ module.hide();
+ event.stopPropagation();
+ }
+ },
+ icon: {
+ click: function(event) {
+ iconClicked=true;
+ if(module.has.search()) {
+ if(!module.is.active()) {
+ if(settings.showOnFocus){
+ module.focusSearch();
+ } else {
+ module.toggle();
+ }
+ } else {
+ module.blurSearch();
+ }
+ } else {
+ module.toggle();
+ }
+ }
+ },
+ text: {
+ focus: function(event) {
+ activated = true;
+ module.focusSearch();
+ }
+ },
+ input: function(event) {
+ if(module.is.multiple() || module.is.searchSelection()) {
+ module.set.filtered();
+ }
+ clearTimeout(module.timer);
+ module.timer = setTimeout(module.search, settings.delay.search);
+ },
+ label: {
+ click: function(event) {
+ var
+ $label = $(this),
+ $labels = $module.find(selector.label),
+ $activeLabels = $labels.filter('.' + className.active),
+ $nextActive = $label.nextAll('.' + className.active),
+ $prevActive = $label.prevAll('.' + className.active),
+ $range = ($nextActive.length > 0)
+ ? $label.nextUntil($nextActive).add($activeLabels).add($label)
+ : $label.prevUntil($prevActive).add($activeLabels).add($label)
+ ;
+ if(event.shiftKey) {
+ $activeLabels.removeClass(className.active);
+ $range.addClass(className.active);
+ }
+ else if(event.ctrlKey) {
+ $label.toggleClass(className.active);
+ }
+ else {
+ $activeLabels.removeClass(className.active);
+ $label.addClass(className.active);
+ }
+ settings.onLabelSelect.apply(this, $labels.filter('.' + className.active));
+ }
+ },
+ remove: {
+ click: function() {
+ var
+ $label = $(this).parent()
+ ;
+ if( $label.hasClass(className.active) ) {
+ // remove all selected labels
+ module.remove.activeLabels();
+ }
+ else {
+ // remove this label only
+ module.remove.activeLabels( $label );
+ }
+ }
+ },
+ test: {
+ toggle: function(event) {
+ var
+ toggleBehavior = (module.is.multiple())
+ ? module.show
+ : module.toggle
+ ;
+ if(module.is.bubbledLabelClick(event) || module.is.bubbledIconClick(event)) {
+ return;
+ }
+ if( module.determine.eventOnElement(event, toggleBehavior) ) {
+ event.preventDefault();
+ }
+ },
+ touch: function(event) {
+ module.determine.eventOnElement(event, function() {
+ if(event.type == 'touchstart') {
+ module.timer = setTimeout(function() {
+ module.hide();
+ }, settings.delay.touch);
+ }
+ else if(event.type == 'touchmove') {
+ clearTimeout(module.timer);
+ }
+ });
+ event.stopPropagation();
+ },
+ hide: function(event) {
+ if(module.determine.eventInModule(event, module.hide)){
+ if(element.id && $(event.target).attr('for') === element.id){
+ event.preventDefault();
+ }
+ }
+ }
+ },
+ class: {
+ mutation: function(mutations) {
+ mutations.forEach(function(mutation) {
+ if(mutation.attributeName === "class") {
+ module.check.disabled();
+ }
+ });
+ }
+ },
+ select: {
+ mutation: function(mutations) {
+ module.debug('<select> modified, recreating menu');
+ if(module.is.selectMutation(mutations)) {
+ module.disconnect.selectObserver();
+ module.refresh();
+ module.setup.select();
+ module.set.selected();
+ module.observe.select();
+ }
+ }
+ },
+ menu: {
+ mutation: function(mutations) {
+ var
+ mutation = mutations[0],
+ $addedNode = mutation.addedNodes
+ ? $(mutation.addedNodes[0])
+ : $(false),
+ $removedNode = mutation.removedNodes
+ ? $(mutation.removedNodes[0])
+ : $(false),
+ $changedNodes = $addedNode.add($removedNode),
+ isUserAddition = $changedNodes.is(selector.addition) || $changedNodes.closest(selector.addition).length > 0,
+ isMessage = $changedNodes.is(selector.message) || $changedNodes.closest(selector.message).length > 0
+ ;
+ if(isUserAddition || isMessage) {
+ module.debug('Updating item selector cache');
+ module.refreshItems();
+ }
+ else {
+ module.debug('Menu modified, updating selector cache');
+ module.refresh();
+ }
+ },
+ mousedown: function() {
+ itemActivated = true;
+ },
+ mouseup: function() {
+ itemActivated = false;
+ }
+ },
+ item: {
+ mouseenter: function(event) {
+ var
+ $target = $(event.target),
+ $item = $(this),
+ $subMenu = $item.children(selector.menu),
+ $otherMenus = $item.siblings(selector.item).children(selector.menu),
+ hasSubMenu = ($subMenu.length > 0),
+ isBubbledEvent = ($subMenu.find($target).length > 0)
+ ;
+ if( !isBubbledEvent && hasSubMenu ) {
+ clearTimeout(module.itemTimer);
+ module.itemTimer = setTimeout(function() {
+ module.verbose('Showing sub-menu', $subMenu);
+ $.each($otherMenus, function() {
+ module.animate.hide(false, $(this));
+ });
+ module.animate.show(false, $subMenu);
+ }, settings.delay.show);
+ event.preventDefault();
+ }
+ },
+ mouseleave: function(event) {
+ var
+ $subMenu = $(this).children(selector.menu)
+ ;
+ if($subMenu.length > 0) {
+ clearTimeout(module.itemTimer);
+ module.itemTimer = setTimeout(function() {
+ module.verbose('Hiding sub-menu', $subMenu);
+ module.animate.hide(false, $subMenu);
+ }, settings.delay.hide);
+ }
+ },
+ click: function (event, skipRefocus) {
+ var
+ $choice = $(this),
+ $target = (event)
+ ? $(event.target)
+ : $(''),
+ $subMenu = $choice.find(selector.menu),
+ text = module.get.choiceText($choice),
+ value = module.get.choiceValue($choice, text),
+ hasSubMenu = ($subMenu.length > 0),
+ isBubbledEvent = ($subMenu.find($target).length > 0)
+ ;
+ // prevents IE11 bug where menu receives focus even though `tabindex=-1`
+ if (document.activeElement.tagName.toLowerCase() !== 'input') {
+ $(document.activeElement).blur();
+ }
+ if(!isBubbledEvent && (!hasSubMenu || settings.allowCategorySelection)) {
+ if(module.is.searchSelection()) {
+ if(settings.allowAdditions) {
+ module.remove.userAddition();
+ }
+ module.remove.searchTerm();
+ if(!module.is.focusedOnSearch() && !(skipRefocus == true)) {
+ module.focusSearch(true);
+ }
+ }
+ if(!settings.useLabels) {
+ module.remove.filteredItem();
+ module.set.scrollPosition($choice);
+ }
+ module.determine.selectAction.call(this, text, value);
+ }
+ }
+ },
+
+ document: {
+ // label selection should occur even when element has no focus
+ keydown: function(event) {
+ var
+ pressedKey = event.which,
+ isShortcutKey = module.is.inObject(pressedKey, keys)
+ ;
+ if(isShortcutKey) {
+ var
+ $label = $module.find(selector.label),
+ $activeLabel = $label.filter('.' + className.active),
+ activeValue = $activeLabel.data(metadata.value),
+ labelIndex = $label.index($activeLabel),
+ labelCount = $label.length,
+ hasActiveLabel = ($activeLabel.length > 0),
+ hasMultipleActive = ($activeLabel.length > 1),
+ isFirstLabel = (labelIndex === 0),
+ isLastLabel = (labelIndex + 1 == labelCount),
+ isSearch = module.is.searchSelection(),
+ isFocusedOnSearch = module.is.focusedOnSearch(),
+ isFocused = module.is.focused(),
+ caretAtStart = (isFocusedOnSearch && module.get.caretPosition(false) === 0),
+ isSelectedSearch = (caretAtStart && module.get.caretPosition(true) !== 0),
+ $nextLabel
+ ;
+ if(isSearch && !hasActiveLabel && !isFocusedOnSearch) {
+ return;
+ }
+
+ if(pressedKey == keys.leftArrow) {
+ // activate previous label
+ if((isFocused || caretAtStart) && !hasActiveLabel) {
+ module.verbose('Selecting previous label');
+ $label.last().addClass(className.active);
+ }
+ else if(hasActiveLabel) {
+ if(!event.shiftKey) {
+ module.verbose('Selecting previous label');
+ $label.removeClass(className.active);
+ }
+ else {
+ module.verbose('Adding previous label to selection');
+ }
+ if(isFirstLabel && !hasMultipleActive) {
+ $activeLabel.addClass(className.active);
+ }
+ else {
+ $activeLabel.prev(selector.siblingLabel)
+ .addClass(className.active)
+ .end()
+ ;
+ }
+ event.preventDefault();
+ }
+ }
+ else if(pressedKey == keys.rightArrow) {
+ // activate first label
+ if(isFocused && !hasActiveLabel) {
+ $label.first().addClass(className.active);
+ }
+ // activate next label
+ if(hasActiveLabel) {
+ if(!event.shiftKey) {
+ module.verbose('Selecting next label');
+ $label.removeClass(className.active);
+ }
+ else {
+ module.verbose('Adding next label to selection');
+ }
+ if(isLastLabel) {
+ if(isSearch) {
+ if(!isFocusedOnSearch) {
+ module.focusSearch();
+ }
+ else {
+ $label.removeClass(className.active);
+ }
+ }
+ else if(hasMultipleActive) {
+ $activeLabel.next(selector.siblingLabel).addClass(className.active);
+ }
+ else {
+ $activeLabel.addClass(className.active);
+ }
+ }
+ else {
+ $activeLabel.next(selector.siblingLabel).addClass(className.active);
+ }
+ event.preventDefault();
+ }
+ }
+ else if(pressedKey == keys.deleteKey || pressedKey == keys.backspace) {
+ if(hasActiveLabel) {
+ module.verbose('Removing active labels');
+ if(isLastLabel) {
+ if(isSearch && !isFocusedOnSearch) {
+ module.focusSearch();
+ }
+ }
+ $activeLabel.last().next(selector.siblingLabel).addClass(className.active);
+ module.remove.activeLabels($activeLabel);
+ event.preventDefault();
+ }
+ else if(caretAtStart && !isSelectedSearch && !hasActiveLabel && pressedKey == keys.backspace) {
+ module.verbose('Removing last label on input backspace');
+ $activeLabel = $label.last().addClass(className.active);
+ module.remove.activeLabels($activeLabel);
+ }
+ }
+ else {
+ $activeLabel.removeClass(className.active);
+ }
+ }
+ }
+ },
+
+ keydown: function(event) {
+ var
+ pressedKey = event.which,
+ isShortcutKey = module.is.inObject(pressedKey, keys)
+ ;
+ if(isShortcutKey) {
+ var
+ $currentlySelected = $item.not(selector.unselectable).filter('.' + className.selected).eq(0),
+ $activeItem = $menu.children('.' + className.active).eq(0),
+ $selectedItem = ($currentlySelected.length > 0)
+ ? $currentlySelected
+ : $activeItem,
+ $visibleItems = ($selectedItem.length > 0)
+ ? $selectedItem.siblings(':not(.' + className.filtered +')').addBack()
+ : $menu.children(':not(.' + className.filtered +')'),
+ $subMenu = $selectedItem.children(selector.menu),
+ $parentMenu = $selectedItem.closest(selector.menu),
+ inVisibleMenu = ($parentMenu.hasClass(className.visible) || $parentMenu.hasClass(className.animating) || $parentMenu.parent(selector.menu).length > 0),
+ hasSubMenu = ($subMenu.length> 0),
+ hasSelectedItem = ($selectedItem.length > 0),
+ selectedIsSelectable = ($selectedItem.not(selector.unselectable).length > 0),
+ delimiterPressed = (pressedKey == keys.delimiter && settings.allowAdditions && module.is.multiple()),
+ isAdditionWithoutMenu = (settings.allowAdditions && settings.hideAdditions && (pressedKey == keys.enter || delimiterPressed) && selectedIsSelectable),
+ $nextItem,
+ isSubMenuItem,
+ newIndex
+ ;
+ // allow selection with menu closed
+ if(isAdditionWithoutMenu) {
+ module.verbose('Selecting item from keyboard shortcut', $selectedItem);
+ $selectedItem[0].click();
+ if(module.is.searchSelection()) {
+ module.remove.searchTerm();
+ }
+ if(module.is.multiple()){
+ event.preventDefault();
+ }
+ }
+
+ // visible menu keyboard shortcuts
+ if( module.is.visible() ) {
+
+ // enter (select or open sub-menu)
+ if(pressedKey == keys.enter || delimiterPressed) {
+ if(pressedKey == keys.enter && hasSelectedItem && hasSubMenu && !settings.allowCategorySelection) {
+ module.verbose('Pressed enter on unselectable category, opening sub menu');
+ pressedKey = keys.rightArrow;
+ }
+ else if(selectedIsSelectable) {
+ module.verbose('Selecting item from keyboard shortcut', $selectedItem);
+ $selectedItem[0].click();
+ if(module.is.searchSelection()) {
+ module.remove.searchTerm();
+ if(module.is.multiple()) {
+ $search.focus();
+ }
+ }
+ }
+ event.preventDefault();
+ }
+
+ // sub-menu actions
+ if(hasSelectedItem) {
+
+ if(pressedKey == keys.leftArrow) {
+
+ isSubMenuItem = ($parentMenu[0] !== $menu[0]);
+
+ if(isSubMenuItem) {
+ module.verbose('Left key pressed, closing sub-menu');
+ module.animate.hide(false, $parentMenu);
+ $selectedItem
+ .removeClass(className.selected)
+ ;
+ $parentMenu
+ .closest(selector.item)
+ .addClass(className.selected)
+ ;
+ module.aria.refreshDescendant();
+ event.preventDefault();
+ }
+ }
+
+ // right arrow (show sub-menu)
+ if(pressedKey == keys.rightArrow) {
+ if(hasSubMenu) {
+ module.verbose('Right key pressed, opening sub-menu');
+ module.animate.show(false, $subMenu);
+ $selectedItem
+ .removeClass(className.selected)
+ ;
+ $subMenu
+ .find(selector.item).eq(0)
+ .addClass(className.selected)
+ ;
+ module.aria.refreshDescendant();
+ event.preventDefault();
+ }
+ }
+ }
+
+ // up arrow (traverse menu up)
+ if(pressedKey == keys.upArrow) {
+ $nextItem = (hasSelectedItem && inVisibleMenu)
+ ? $selectedItem.prevAll(selector.item + ':not(' + selector.unselectable + ')').eq(0)
+ : $item.eq(0)
+ ;
+ if($visibleItems.index( $nextItem ) < 0) {
+ module.verbose('Up key pressed but reached top of current menu');
+ event.preventDefault();
+ return;
+ }
+ else {
+ module.verbose('Up key pressed, changing active item');
+ $selectedItem
+ .removeClass(className.selected)
+ ;
+ $nextItem
+ .addClass(className.selected)
+ ;
+ module.aria.refreshDescendant();
+ module.set.scrollPosition($nextItem);
+ if(settings.selectOnKeydown && module.is.single()) {
+ module.set.selectedItem($nextItem);
+ }
+ }
+ event.preventDefault();
+ }
+
+ // down arrow (traverse menu down)
+ if(pressedKey == keys.downArrow) {
+ $nextItem = (hasSelectedItem && inVisibleMenu)
+ ? $nextItem = $selectedItem.nextAll(selector.item + ':not(' + selector.unselectable + ')').eq(0)
+ : $item.eq(0)
+ ;
+ if($nextItem.length === 0) {
+ module.verbose('Down key pressed but reached bottom of current menu');
+ event.preventDefault();
+ return;
+ }
+ else {
+ module.verbose('Down key pressed, changing active item');
+ $item
+ .removeClass(className.selected)
+ ;
+ $nextItem
+ .addClass(className.selected)
+ ;
+ module.aria.refreshDescendant();
+ module.set.scrollPosition($nextItem);
+ if(settings.selectOnKeydown && module.is.single()) {
+ module.set.selectedItem($nextItem);
+ }
+ }
+ event.preventDefault();
+ }
+
+ // page down (show next page)
+ if(pressedKey == keys.pageUp) {
+ module.scrollPage('up');
+ event.preventDefault();
+ }
+ if(pressedKey == keys.pageDown) {
+ module.scrollPage('down');
+ event.preventDefault();
+ }
+
+ // escape (close menu)
+ if(pressedKey == keys.escape) {
+ module.verbose('Escape key pressed, closing dropdown');
+ module.hide();
+ }
+
+ }
+ else {
+ // delimiter key
+ if(delimiterPressed) {
+ event.preventDefault();
+ }
+ // down arrow (open menu)
+ if(pressedKey == keys.downArrow && !module.is.visible()) {
+ module.verbose('Down key pressed, showing dropdown');
+ module.show();
+ event.preventDefault();
+ }
+ }
+ }
+ else {
+ if( !module.has.search() ) {
+ module.set.selectedLetter( String.fromCharCode(pressedKey) );
+ }
+ }
+ }
+ },
+
+ trigger: {
+ change: function() {
+ var
+ inputElement = $input[0]
+ ;
+ if(inputElement) {
+ var events = document.createEvent('HTMLEvents');
+ module.verbose('Triggering native change event');
+ events.initEvent('change', true, false);
+ inputElement.dispatchEvent(events);
+ }
+ }
+ },
+
+ determine: {
+ selectAction: function(text, value) {
+ selectActionActive = true;
+ module.verbose('Determining action', settings.action);
+ if( $.isFunction( module.action[settings.action] ) ) {
+ module.verbose('Triggering preset action', settings.action, text, value);
+ module.action[ settings.action ].call(element, text, value, this);
+ }
+ else if( $.isFunction(settings.action) ) {
+ module.verbose('Triggering user action', settings.action, text, value);
+ settings.action.call(element, text, value, this);
+ }
+ else {
+ module.error(error.action, settings.action);
+ }
+ selectActionActive = false;
+ },
+ eventInModule: function(event, callback) {
+ var
+ $target = $(event.target),
+ inDocument = ($target.closest(document.documentElement).length > 0),
+ inModule = ($target.closest($module).length > 0)
+ ;
+ callback = $.isFunction(callback)
+ ? callback
+ : function(){}
+ ;
+ if(inDocument && !inModule) {
+ module.verbose('Triggering event', callback);
+ callback();
+ return true;
+ }
+ else {
+ module.verbose('Event occurred in dropdown, canceling callback');
+ return false;
+ }
+ },
+ eventOnElement: function(event, callback) {
+ var
+ $target = $(event.target),
+ $label = $target.closest(selector.siblingLabel),
+ inVisibleDOM = document.body.contains(event.target),
+ notOnLabel = ($module.find($label).length === 0 || !(module.is.multiple() && settings.useLabels)),
+ notInMenu = ($target.closest($menu).length === 0)
+ ;
+ callback = $.isFunction(callback)
+ ? callback
+ : function(){}
+ ;
+ if(inVisibleDOM && notOnLabel && notInMenu) {
+ module.verbose('Triggering event', callback);
+ callback();
+ return true;
+ }
+ else {
+ module.verbose('Event occurred in dropdown menu, canceling callback');
+ return false;
+ }
+ }
+ },
+
+ action: {
+
+ nothing: function() {},
+
+ activate: function(text, value, element) {
+ value = (value !== undefined)
+ ? value
+ : text
+ ;
+ if( module.can.activate( $(element) ) ) {
+ module.set.selected(value, $(element));
+ if(!module.is.multiple()) {
+ module.hideAndClear();
+ }
+ }
+ },
+
+ select: function(text, value, element) {
+ value = (value !== undefined)
+ ? value
+ : text
+ ;
+ if( module.can.activate( $(element) ) ) {
+ module.set.value(value, text, $(element));
+ if(!module.is.multiple()) {
+ module.hideAndClear();
+ }
+ }
+ },
+
+ combo: function(text, value, element) {
+ value = (value !== undefined)
+ ? value
+ : text
+ ;
+ module.set.selected(value, $(element));
+ module.hideAndClear();
+ },
+
+ hide: function(text, value, element) {
+ module.set.value(value, text, $(element));
+ module.hideAndClear();
+ }
+
+ },
+
+ get: {
+ id: function() {
+ return id;
+ },
+ defaultText: function() {
+ return $module.data(metadata.defaultText);
+ },
+ defaultValue: function() {
+ return $module.data(metadata.defaultValue);
+ },
+ placeholderText: function() {
+ if(settings.placeholder != 'auto' && typeof settings.placeholder == 'string') {
+ return settings.placeholder;
+ }
+ return $module.data(metadata.placeholderText) || '';
+ },
+ text: function() {
+ return settings.preserveHTML ? $text.html() : $text.text();
+ },
+ query: function() {
+ return String($search.val()).trim();
+ },
+ searchWidth: function(value) {
+ value = (value !== undefined)
+ ? value
+ : $search.val()
+ ;
+ $sizer.text(value);
+ // prevent rounding issues
+ return Math.ceil( $sizer.width() + 1);
+ },
+ selectionCount: function() {
+ var
+ values = module.get.values(),
+ count
+ ;
+ count = ( module.is.multiple() )
+ ? Array.isArray(values)
+ ? values.length
+ : 0
+ : (module.get.value() !== '')
+ ? 1
+ : 0
+ ;
+ return count;
+ },
+ transition: function($subMenu) {
+ return (settings.transition == 'auto')
+ ? module.is.upward($subMenu)
+ ? 'slide up'
+ : 'slide down'
+ : settings.transition
+ ;
+ },
+ userValues: function() {
+ var
+ values = module.get.values()
+ ;
+ if(!values) {
+ return false;
+ }
+ values = Array.isArray(values)
+ ? values
+ : [values]
+ ;
+ return $.grep(values, function(value) {
+ return (module.get.item(value) === false);
+ });
+ },
+ uniqueArray: function(array) {
+ return $.grep(array, function (value, index) {
+ return $.inArray(value, array) === index;
+ });
+ },
+ caretPosition: function(returnEndPos) {
+ var
+ input = $search.get(0),
+ range,
+ rangeLength
+ ;
+ if(returnEndPos && 'selectionEnd' in input){
+ return input.selectionEnd;
+ }
+ else if(!returnEndPos && 'selectionStart' in input) {
+ return input.selectionStart;
+ }
+ if (document.selection) {
+ input.focus();
+ range = document.selection.createRange();
+ rangeLength = range.text.length;
+ if(returnEndPos) {
+ return rangeLength;
+ }
+ range.moveStart('character', -input.value.length);
+ return range.text.length - rangeLength;
+ }
+ },
+ value: function() {
+ var
+ value = ($input.length > 0)
+ ? $input.val()
+ : $module.data(metadata.value),
+ isEmptyMultiselect = (Array.isArray(value) && value.length === 1 && value[0] === '')
+ ;
+ // prevents placeholder element from being selected when multiple
+ return (value === undefined || isEmptyMultiselect)
+ ? ''
+ : value
+ ;
+ },
+ values: function() {
+ var
+ value = module.get.value()
+ ;
+ if(value === '') {
+ return '';
+ }
+ return ( !module.has.selectInput() && module.is.multiple() )
+ ? (typeof value == 'string') // delimited string
+ ? module.escape.htmlEntities(value).split(settings.delimiter)
+ : ''
+ : value
+ ;
+ },
+ remoteValues: function() {
+ var
+ values = module.get.values(),
+ remoteValues = false
+ ;
+ if(values) {
+ if(typeof values == 'string') {
+ values = [values];
+ }
+ $.each(values, function(index, value) {
+ var
+ name = module.read.remoteData(value)
+ ;
+ module.verbose('Restoring value from session data', name, value);
+ if(name) {
+ if(!remoteValues) {
+ remoteValues = {};
+ }
+ remoteValues[value] = name;
+ }
+ });
+ }
+ return remoteValues;
+ },
+ choiceText: function($choice, preserveHTML) {
+ preserveHTML = (preserveHTML !== undefined)
+ ? preserveHTML
+ : settings.preserveHTML
+ ;
+ if($choice) {
+ if($choice.find(selector.menu).length > 0) {
+ module.verbose('Retrieving text of element with sub-menu');
+ $choice = $choice.clone();
+ $choice.find(selector.menu).remove();
+ $choice.find(selector.menuIcon).remove();
+ }
+ return ($choice.data(metadata.text) !== undefined)
+ ? $choice.data(metadata.text)
+ : (preserveHTML)
+ ? $choice.html().trim()
+ : $choice.text().trim()
+ ;
+ }
+ },
+ choiceValue: function($choice, choiceText) {
+ choiceText = choiceText || module.get.choiceText($choice);
+ if(!$choice) {
+ return false;
+ }
+ return ($choice.data(metadata.value) !== undefined)
+ ? String( $choice.data(metadata.value) )
+ : (typeof choiceText === 'string')
+ ? String(
+ settings.ignoreSearchCase
+ ? choiceText.toLowerCase()
+ : choiceText
+ ).trim()
+ : String(choiceText)
+ ;
+ },
+ inputEvent: function() {
+ var
+ input = $search[0]
+ ;
+ if(input) {
+ return (input.oninput !== undefined)
+ ? 'input'
+ : (input.onpropertychange !== undefined)
+ ? 'propertychange'
+ : 'keyup'
+ ;
+ }
+ return false;
+ },
+ selectValues: function() {
+ var
+ select = {},
+ oldGroup = [],
+ values = []
+ ;
+ $module
+ .find('option')
+ .each(function() {
+ var
+ $option = $(this),
+ name = $option.html(),
+ disabled = $option.attr('disabled'),
+ value = ( $option.attr('value') !== undefined )
+ ? $option.attr('value')
+ : name,
+ text = ( $option.data(metadata.text) !== undefined )
+ ? $option.data(metadata.text)
+ : name,
+ group = $option.parent('optgroup')
+ ;
+ if(settings.placeholder === 'auto' && value === '') {
+ select.placeholder = name;
+ }
+ else {
+ if(group.length !== oldGroup.length || group[0] !== oldGroup[0]) {
+ values.push({
+ type: 'header',
+ divider: settings.headerDivider,
+ name: group.attr('label') || ''
+ });
+ oldGroup = group;
+ }
+ values.push({
+ name : name,
+ value : value,
+ text : text,
+ disabled : disabled
+ });
+ }
+ })
+ ;
+ if(settings.placeholder && settings.placeholder !== 'auto') {
+ module.debug('Setting placeholder value to', settings.placeholder);
+ select.placeholder = settings.placeholder;
+ }
+ if(settings.sortSelect) {
+ if(settings.sortSelect === true) {
+ values.sort(function(a, b) {
+ return a.name.localeCompare(b.name);
+ });
+ } else if(settings.sortSelect === 'natural') {
+ values.sort(function(a, b) {
+ return (a.name.toLowerCase().localeCompare(b.name.toLowerCase()));
+ });
+ } else if($.isFunction(settings.sortSelect)) {
+ values.sort(settings.sortSelect);
+ }
+ select[fields.values] = values;
+ module.debug('Retrieved and sorted values from select', select);
+ }
+ else {
+ select[fields.values] = values;
+ module.debug('Retrieved values from select', select);
+ }
+ return select;
+ },
+ activeItem: function() {
+ return $item.filter('.' + className.active);
+ },
+ selectedItem: function() {
+ var
+ $selectedItem = $item.not(selector.unselectable).filter('.' + className.selected)
+ ;
+ return ($selectedItem.length > 0)
+ ? $selectedItem
+ : $item.eq(0)
+ ;
+ },
+ itemWithAdditions: function(value) {
+ var
+ $items = module.get.item(value),
+ $userItems = module.create.userChoice(value),
+ hasUserItems = ($userItems && $userItems.length > 0)
+ ;
+ if(hasUserItems) {
+ $items = ($items.length > 0)
+ ? $items.add($userItems)
+ : $userItems
+ ;
+ }
+ return $items;
+ },
+ item: function(value, strict) {
+ var
+ $selectedItem = false,
+ shouldSearch,
+ isMultiple
+ ;
+ value = (value !== undefined)
+ ? value
+ : ( module.get.values() !== undefined)
+ ? module.get.values()
+ : module.get.text()
+ ;
+ isMultiple = (module.is.multiple() && Array.isArray(value));
+ shouldSearch = (isMultiple)
+ ? (value.length > 0)
+ : (value !== undefined && value !== null)
+ ;
+ strict = (value === '' || value === false || value === true)
+ ? true
+ : strict || false
+ ;
+ if(shouldSearch) {
+ $item
+ .each(function() {
+ var
+ $choice = $(this),
+ optionText = module.get.choiceText($choice),
+ optionValue = module.get.choiceValue($choice, optionText)
+ ;
+ // safe early exit
+ if(optionValue === null || optionValue === undefined) {
+ return;
+ }
+ if(isMultiple) {
+ if($.inArray(module.escape.htmlEntities(String(optionValue)), value.map(function(v){return String(v);})) !== -1) {
+ $selectedItem = ($selectedItem)
+ ? $selectedItem.add($choice)
+ : $choice
+ ;
+ }
+ }
+ else if(strict) {
+ module.verbose('Ambiguous dropdown value using strict type check', $choice, value);
+ if( optionValue === value) {
+ $selectedItem = $choice;
+ return true;
+ }
+ }
+ else {
+ if(settings.ignoreCase) {
+ optionValue = optionValue.toLowerCase();
+ value = value.toLowerCase();
+ }
+ if(module.escape.htmlEntities(String(optionValue)) === module.escape.htmlEntities(String(value))) {
+ module.verbose('Found select item by value', optionValue, value);
+ $selectedItem = $choice;
+ return true;
+ }
+ }
+ })
+ ;
+ }
+ return $selectedItem;
+ }
+ },
+
+ check: {
+ maxSelections: function(selectionCount) {
+ if(settings.maxSelections) {
+ selectionCount = (selectionCount !== undefined)
+ ? selectionCount
+ : module.get.selectionCount()
+ ;
+ if(selectionCount >= settings.maxSelections) {
+ module.debug('Maximum selection count reached');
+ if(settings.useLabels) {
+ $item.addClass(className.filtered);
+ module.add.message(message.maxSelections);
+ }
+ return true;
+ }
+ else {
+ module.verbose('No longer at maximum selection count');
+ module.remove.message();
+ module.remove.filteredItem();
+ if(module.is.searchSelection()) {
+ module.filterItems();
+ }
+ return false;
+ }
+ }
+ return true;
+ },
+ disabled: function(){
+ $search.attr('tabindex',module.is.disabled() ? -1 : 0);
+ }
+ },
+
+ restore: {
+ defaults: function(preventChangeTrigger) {
+ module.clear(preventChangeTrigger);
+ module.restore.defaultText();
+ module.restore.defaultValue();
+ },
+ defaultText: function() {
+ var
+ defaultText = module.get.defaultText(),
+ placeholderText = module.get.placeholderText
+ ;
+ if(defaultText === placeholderText) {
+ module.debug('Restoring default placeholder text', defaultText);
+ module.set.placeholderText(defaultText);
+ }
+ else {
+ module.debug('Restoring default text', defaultText);
+ module.set.text(defaultText);
+ }
+ },
+ placeholderText: function() {
+ module.set.placeholderText();
+ },
+ defaultValue: function() {
+ var
+ defaultValue = module.get.defaultValue()
+ ;
+ if(defaultValue !== undefined) {
+ module.debug('Restoring default value', defaultValue);
+ if(defaultValue !== '') {
+ module.set.value(defaultValue);
+ module.set.selected();
+ }
+ else {
+ module.remove.activeItem();
+ module.remove.selectedItem();
+ }
+ }
+ },
+ labels: function() {
+ if(settings.allowAdditions) {
+ if(!settings.useLabels) {
+ module.error(error.labels);
+ settings.useLabels = true;
+ }
+ module.debug('Restoring selected values');
+ module.create.userLabels();
+ }
+ module.check.maxSelections();
+ },
+ selected: function() {
+ module.restore.values();
+ if(module.is.multiple()) {
+ module.debug('Restoring previously selected values and labels');
+ module.restore.labels();
+ }
+ else {
+ module.debug('Restoring previously selected values');
+ }
+ },
+ values: function() {
+ // prevents callbacks from occurring on initial load
+ module.set.initialLoad();
+ if(settings.apiSettings && settings.saveRemoteData && module.get.remoteValues()) {
+ module.restore.remoteValues();
+ }
+ else {
+ module.set.selected();
+ }
+ var value = module.get.value();
+ if(value && value !== '' && !(Array.isArray(value) && value.length === 0)) {
+ $input.removeClass(className.noselection);
+ } else {
+ $input.addClass(className.noselection);
+ }
+ module.remove.initialLoad();
+ },
+ remoteValues: function() {
+ var
+ values = module.get.remoteValues()
+ ;
+ module.debug('Recreating selected from session data', values);
+ if(values) {
+ if( module.is.single() ) {
+ $.each(values, function(value, name) {
+ module.set.text(name);
+ });
+ }
+ else {
+ $.each(values, function(value, name) {
+ module.add.label(value, name);
+ });
+ }
+ }
+ }
+ },
+
+ read: {
+ remoteData: function(value) {
+ var
+ name
+ ;
+ if(window.Storage === undefined) {
+ module.error(error.noStorage);
+ return;
+ }
+ name = sessionStorage.getItem(value);
+ return (name !== undefined)
+ ? name
+ : false
+ ;
+ }
+ },
+
+ save: {
+ defaults: function() {
+ module.save.defaultText();
+ module.save.placeholderText();
+ module.save.defaultValue();
+ },
+ defaultValue: function() {
+ var
+ value = module.get.value()
+ ;
+ module.verbose('Saving default value as', value);
+ $module.data(metadata.defaultValue, value);
+ },
+ defaultText: function() {
+ var
+ text = module.get.text()
+ ;
+ module.verbose('Saving default text as', text);
+ $module.data(metadata.defaultText, text);
+ },
+ placeholderText: function() {
+ var
+ text
+ ;
+ if(settings.placeholder !== false && $text.hasClass(className.placeholder)) {
+ text = module.get.text();
+ module.verbose('Saving placeholder text as', text);
+ $module.data(metadata.placeholderText, text);
+ }
+ },
+ remoteData: function(name, value) {
+ if(window.Storage === undefined) {
+ module.error(error.noStorage);
+ return;
+ }
+ module.verbose('Saving remote data to session storage', value, name);
+ sessionStorage.setItem(value, name);
+ }
+ },
+
+ clear: function(preventChangeTrigger) {
+ if(module.is.multiple() && settings.useLabels) {
+ module.remove.labels();
+ }
+ else {
+ module.remove.activeItem();
+ module.remove.selectedItem();
+ module.remove.filteredItem();
+ }
+ module.set.placeholderText();
+ module.clearValue(preventChangeTrigger);
+ },
+
+ clearValue: function(preventChangeTrigger) {
+ module.set.value('', null, null, preventChangeTrigger);
+ },
+
+ scrollPage: function(direction, $selectedItem) {
+ var
+ $currentItem = $selectedItem || module.get.selectedItem(),
+ $menu = $currentItem.closest(selector.menu),
+ menuHeight = $menu.outerHeight(),
+ currentScroll = $menu.scrollTop(),
+ itemHeight = $item.eq(0).outerHeight(),
+ itemsPerPage = Math.floor(menuHeight / itemHeight),
+ maxScroll = $menu.prop('scrollHeight'),
+ newScroll = (direction == 'up')
+ ? currentScroll - (itemHeight * itemsPerPage)
+ : currentScroll + (itemHeight * itemsPerPage),
+ $selectableItem = $item.not(selector.unselectable),
+ isWithinRange,
+ $nextSelectedItem,
+ elementIndex
+ ;
+ elementIndex = (direction == 'up')
+ ? $selectableItem.index($currentItem) - itemsPerPage
+ : $selectableItem.index($currentItem) + itemsPerPage
+ ;
+ isWithinRange = (direction == 'up')
+ ? (elementIndex >= 0)
+ : (elementIndex < $selectableItem.length)
+ ;
+ $nextSelectedItem = (isWithinRange)
+ ? $selectableItem.eq(elementIndex)
+ : (direction == 'up')
+ ? $selectableItem.first()
+ : $selectableItem.last()
+ ;
+ if($nextSelectedItem.length > 0) {
+ module.debug('Scrolling page', direction, $nextSelectedItem);
+ $currentItem
+ .removeClass(className.selected)
+ ;
+ $nextSelectedItem
+ .addClass(className.selected)
+ ;
+ if(settings.selectOnKeydown && module.is.single()) {
+ module.set.selectedItem($nextSelectedItem);
+ }
+ $menu
+ .scrollTop(newScroll)
+ ;
+ }
+ },
+
+ set: {
+ filtered: function() {
+ var
+ isMultiple = module.is.multiple(),
+ isSearch = module.is.searchSelection(),
+ isSearchMultiple = (isMultiple && isSearch),
+ searchValue = (isSearch)
+ ? module.get.query()
+ : '',
+ hasSearchValue = (typeof searchValue === 'string' && searchValue.length > 0),
+ searchWidth = module.get.searchWidth(),
+ valueIsSet = searchValue !== ''
+ ;
+ if(isMultiple && hasSearchValue) {
+ module.verbose('Adjusting input width', searchWidth, settings.glyphWidth);
+ $search.css('width', searchWidth);
+ }
+ if(hasSearchValue || (isSearchMultiple && valueIsSet)) {
+ module.verbose('Hiding placeholder text');
+ $text.addClass(className.filtered);
+ }
+ else if(!isMultiple || (isSearchMultiple && !valueIsSet)) {
+ module.verbose('Showing placeholder text');
+ $text.removeClass(className.filtered);
+ }
+ },
+ empty: function() {
+ $module.addClass(className.empty);
+ },
+ loading: function() {
+ $module.addClass(className.loading);
+ },
+ placeholderText: function(text) {
+ text = text || module.get.placeholderText();
+ module.debug('Setting placeholder text', text);
+ module.set.text(text);
+ $text.addClass(className.placeholder);
+ },
+ tabbable: function() {
+ if( module.is.searchSelection() ) {
+ module.debug('Added tabindex to searchable dropdown');
+ $search
+ .val('')
+ ;
+ module.check.disabled();
+ $menu
+ .attr('tabindex', -1)
+ ;
+ }
+ else {
+ module.debug('Added tabindex to dropdown');
+ if( $module.attr('tabindex') === undefined) {
+ $module
+ .attr('tabindex', 0)
+ ;
+ $menu
+ .attr('tabindex', -1)
+ ;
+ }
+ }
+ },
+ initialLoad: function() {
+ module.verbose('Setting initial load');
+ initialLoad = true;
+ },
+ activeItem: function($item) {
+ if( settings.allowAdditions && $item.filter(selector.addition).length > 0 ) {
+ $item.addClass(className.filtered);
+ }
+ else {
+ $item.addClass(className.active);
+ }
+ },
+ partialSearch: function(text) {
+ var
+ length = module.get.query().length
+ ;
+ $search.val( text.substr(0, length));
+ },
+ scrollPosition: function($item, forceScroll) {
+ var
+ edgeTolerance = 5,
+ $menu,
+ hasActive,
+ offset,
+ itemHeight,
+ itemOffset,
+ menuOffset,
+ menuScroll,
+ menuHeight,
+ abovePage,
+ belowPage
+ ;
+
+ $item = $item || module.get.selectedItem();
+ $menu = $item.closest(selector.menu);
+ hasActive = ($item && $item.length > 0);
+ forceScroll = (forceScroll !== undefined)
+ ? forceScroll
+ : false
+ ;
+ if(module.get.activeItem().length === 0){
+ forceScroll = false;
+ }
+ if($item && $menu.length > 0 && hasActive) {
+ itemOffset = $item.position().top;
+
+ $menu.addClass(className.loading);
+ menuScroll = $menu.scrollTop();
+ menuOffset = $menu.offset().top;
+ itemOffset = $item.offset().top;
+ offset = menuScroll - menuOffset + itemOffset;
+ if(!forceScroll) {
+ menuHeight = $menu.height();
+ belowPage = menuScroll + menuHeight < (offset + edgeTolerance);
+ abovePage = ((offset - edgeTolerance) < menuScroll);
+ }
+ module.debug('Scrolling to active item', offset);
+ if(forceScroll || abovePage || belowPage) {
+ $menu.scrollTop(offset);
+ }
+ $menu.removeClass(className.loading);
+ }
+ },
+ text: function(text) {
+ if(settings.action === 'combo') {
+ module.debug('Changing combo button text', text, $combo);
+ if(settings.preserveHTML) {
+ $combo.html(text);
+ }
+ else {
+ $combo.text(text);
+ }
+ }
+ else if(settings.action === 'activate') {
+ if(text !== module.get.placeholderText()) {
+ $text.removeClass(className.placeholder);
+ }
+ module.debug('Changing text', text, $text);
+ $text
+ .removeClass(className.filtered)
+ ;
+ if(settings.preserveHTML) {
+ $text.html(text);
+ }
+ else {
+ $text.text(text);
+ }
+ }
+ },
+ selectedItem: function($item) {
+ var
+ value = module.get.choiceValue($item),
+ searchText = module.get.choiceText($item, false),
+ text = module.get.choiceText($item, true)
+ ;
+ module.debug('Setting user selection to item', $item);
+ module.remove.activeItem();
+ module.set.partialSearch(searchText);
+ module.set.activeItem($item);
+ module.set.selected(value, $item);
+ module.set.text(text);
+ },
+ selectedLetter: function(letter) {
+ var
+ $selectedItem = $item.filter('.' + className.selected),
+ alreadySelectedLetter = $selectedItem.length > 0 && module.has.firstLetter($selectedItem, letter),
+ $nextValue = false,
+ $nextItem
+ ;
+ // check next of same letter
+ if(alreadySelectedLetter) {
+ $nextItem = $selectedItem.nextAll($item).eq(0);
+ if( module.has.firstLetter($nextItem, letter) ) {
+ $nextValue = $nextItem;
+ }
+ }
+ // check all values
+ if(!$nextValue) {
+ $item
+ .each(function(){
+ if(module.has.firstLetter($(this), letter)) {
+ $nextValue = $(this);
+ return false;
+ }
+ })
+ ;
+ }
+ // set next value
+ if($nextValue) {
+ module.verbose('Scrolling to next value with letter', letter);
+ module.set.scrollPosition($nextValue);
+ $selectedItem.removeClass(className.selected);
+ $nextValue.addClass(className.selected);
+ module.aria.refreshDescendant();
+ if(settings.selectOnKeydown && module.is.single()) {
+ module.set.selectedItem($nextValue);
+ }
+ }
+ },
+ direction: function($menu) {
+ if(settings.direction == 'auto') {
+ // reset position, remove upward if it's base menu
+ if (!$menu) {
+ module.remove.upward();
+ } else if (module.is.upward($menu)) {
+ //we need make sure when make assertion openDownward for $menu, $menu does not have upward class
+ module.remove.upward($menu);
+ }
+
+ if(module.can.openDownward($menu)) {
+ module.remove.upward($menu);
+ }
+ else {
+ module.set.upward($menu);
+ }
+ if(!module.is.leftward($menu) && !module.can.openRightward($menu)) {
+ module.set.leftward($menu);
+ }
+ }
+ else if(settings.direction == 'upward') {
+ module.set.upward($menu);
+ }
+ },
+ upward: function($currentMenu) {
+ var $element = $currentMenu || $module;
+ $element.addClass(className.upward);
+ },
+ leftward: function($currentMenu) {
+ var $element = $currentMenu || $menu;
+ $element.addClass(className.leftward);
+ },
+ value: function(value, text, $selected, preventChangeTrigger) {
+ if(value !== undefined && value !== '' && !(Array.isArray(value) && value.length === 0)) {
+ $input.removeClass(className.noselection);
+ } else {
+ $input.addClass(className.noselection);
+ }
+ var
+ escapedValue = module.escape.value(value),
+ hasInput = ($input.length > 0),
+ currentValue = module.get.values(),
+ stringValue = (value !== undefined)
+ ? String(value)
+ : value,
+ newValue
+ ;
+ if(hasInput) {
+ if(!settings.allowReselection && stringValue == currentValue) {
+ module.verbose('Skipping value update already same value', value, currentValue);
+ if(!module.is.initialLoad()) {
+ return;
+ }
+ }
+
+ if( module.is.single() && module.has.selectInput() && module.can.extendSelect() ) {
+ module.debug('Adding user option', value);
+ module.add.optionValue(value);
+ }
+ module.debug('Updating input value', escapedValue, currentValue);
+ internalChange = true;
+ $input
+ .val(escapedValue)
+ ;
+ if(settings.fireOnInit === false && module.is.initialLoad()) {
+ module.debug('Input native change event ignored on initial load');
+ }
+ else if(preventChangeTrigger !== true) {
+ module.trigger.change();
+ }
+ internalChange = false;
+ }
+ else {
+ module.verbose('Storing value in metadata', escapedValue, $input);
+ if(escapedValue !== currentValue) {
+ $module.data(metadata.value, stringValue);
+ }
+ }
+ if(settings.fireOnInit === false && module.is.initialLoad()) {
+ module.verbose('No callback on initial load', settings.onChange);
+ }
+ else if(preventChangeTrigger !== true) {
+ settings.onChange.call(element, value, text, $selected);
+ }
+ },
+ active: function() {
+ $module
+ .addClass(className.active)
+ ;
+ },
+ multiple: function() {
+ $module.addClass(className.multiple);
+ },
+ visible: function() {
+ $module.addClass(className.visible);
+ },
+ exactly: function(value, $selectedItem) {
+ module.debug('Setting selected to exact values');
+ module.clear();
+ module.set.selected(value, $selectedItem);
+ },
+ selected: function(value, $selectedItem) {
+ var
+ isMultiple = module.is.multiple()
+ ;
+ $selectedItem = (settings.allowAdditions)
+ ? $selectedItem || module.get.itemWithAdditions(value)
+ : $selectedItem || module.get.item(value)
+ ;
+ if(!$selectedItem) {
+ return;
+ }
+ module.debug('Setting selected menu item to', $selectedItem);
+ if(module.is.multiple()) {
+ module.remove.searchWidth();
+ }
+ if(module.is.single()) {
+ module.remove.activeItem();
+ module.remove.selectedItem();
+ }
+ else if(settings.useLabels) {
+ module.remove.selectedItem();
+ }
+ // select each item
+ $selectedItem
+ .each(function() {
+ var
+ $selected = $(this),
+ selectedText = module.get.choiceText($selected),
+ selectedValue = module.get.choiceValue($selected, selectedText),
+
+ isFiltered = $selected.hasClass(className.filtered),
+ isActive = $selected.hasClass(className.active),
+ isUserValue = $selected.hasClass(className.addition),
+ shouldAnimate = (isMultiple && $selectedItem.length == 1)
+ ;
+ if(isMultiple) {
+ if(!isActive || isUserValue) {
+ if(settings.apiSettings && settings.saveRemoteData) {
+ module.save.remoteData(selectedText, selectedValue);
+ }
+ if(settings.useLabels) {
+ module.add.label(selectedValue, selectedText, shouldAnimate);
+ module.add.value(selectedValue, selectedText, $selected);
+ module.set.activeItem($selected);
+ module.filterActive();
+ module.select.nextAvailable($selectedItem);
+ }
+ else {
+ module.add.value(selectedValue, selectedText, $selected);
+ module.set.text(module.add.variables(message.count));
+ module.set.activeItem($selected);
+ }
+ }
+ else if(!isFiltered && (settings.useLabels || selectActionActive)) {
+ module.debug('Selected active value, removing label');
+ module.remove.selected(selectedValue);
+ }
+ }
+ else {
+ if(settings.apiSettings && settings.saveRemoteData) {
+ module.save.remoteData(selectedText, selectedValue);
+ }
+ module.set.text(selectedText);
+ module.set.value(selectedValue, selectedText, $selected);
+ $selected
+ .addClass(className.active)
+ .addClass(className.selected)
+ ;
+ }
+ })
+ ;
+ module.remove.searchTerm();
+ }
+ },
+
+ add: {
+ label: function(value, text, shouldAnimate) {
+ var
+ $next = module.is.searchSelection()
+ ? $search
+ : $text,
+ escapedValue = module.escape.value(value),
+ $label
+ ;
+ if(settings.ignoreCase) {
+ escapedValue = escapedValue.toLowerCase();
+ }
+ $label = $('<a />')
+ .addClass(className.label)
+ .attr('data-' + metadata.value, escapedValue)
+ .html(templates.label(escapedValue, text, settings.preserveHTML, settings.className))
+ ;
+ $label = settings.onLabelCreate.call($label, escapedValue, text);
+
+ if(module.has.label(value)) {
+ module.debug('User selection already exists, skipping', escapedValue);
+ return;
+ }
+ if(settings.label.variation) {
+ $label.addClass(settings.label.variation);
+ }
+ if(shouldAnimate === true) {
+ module.debug('Animating in label', $label);
+ $label
+ .addClass(className.hidden)
+ .insertBefore($next)
+ .transition({
+ animation : settings.label.transition,
+ debug : settings.debug,
+ verbose : settings.verbose,
+ duration : settings.label.duration
+ })
+ ;
+ }
+ else {
+ module.debug('Adding selection label', $label);
+ $label
+ .insertBefore($next)
+ ;
+ }
+ },
+ message: function(message) {
+ var
+ $message = $menu.children(selector.message),
+ html = settings.templates.message(module.add.variables(message))
+ ;
+ if($message.length > 0) {
+ $message
+ .html(html)
+ ;
+ }
+ else {
+ $message = $('<div/>')
+ .html(html)
+ .addClass(className.message)
+ .appendTo($menu)
+ ;
+ }
+ },
+ optionValue: function(value) {
+ var
+ escapedValue = module.escape.value(value),
+ $option = $input.find('option[value="' + module.escape.string(escapedValue) + '"]'),
+ hasOption = ($option.length > 0)
+ ;
+ if(hasOption) {
+ return;
+ }
+ // temporarily disconnect observer
+ module.disconnect.selectObserver();
+ if( module.is.single() ) {
+ module.verbose('Removing previous user addition');
+ $input.find('option.' + className.addition).remove();
+ }
+ $('<option/>')
+ .prop('value', escapedValue)
+ .addClass(className.addition)
+ .html(value)
+ .appendTo($input)
+ ;
+ module.verbose('Adding user addition as an <option>', value);
+ module.observe.select();
+ },
+ userSuggestion: function(value) {
+ var
+ $addition = $menu.children(selector.addition),
+ $existingItem = module.get.item(value),
+ alreadyHasValue = $existingItem && $existingItem.not(selector.addition).length,
+ hasUserSuggestion = $addition.length > 0,
+ html
+ ;
+ if(settings.useLabels && module.has.maxSelections()) {
+ return;
+ }
+ if(value === '' || alreadyHasValue) {
+ $addition.remove();
+ return;
+ }
+ if(hasUserSuggestion) {
+ $addition
+ .data(metadata.value, value)
+ .data(metadata.text, value)
+ .attr('data-' + metadata.value, value)
+ .attr('data-' + metadata.text, value)
+ .removeClass(className.filtered)
+ ;
+ if(!settings.hideAdditions) {
+ html = settings.templates.addition( module.add.variables(message.addResult, value) );
+ $addition
+ .html(html)
+ ;
+ }
+ module.verbose('Replacing user suggestion with new value', $addition);
+ }
+ else {
+ $addition = module.create.userChoice(value);
+ $addition
+ .prependTo($menu)
+ ;
+ module.verbose('Adding item choice to menu corresponding with user choice addition', $addition);
+ }
+ if(!settings.hideAdditions || module.is.allFiltered()) {
+ $addition
+ .addClass(className.selected)
+ .siblings()
+ .removeClass(className.selected)
+ ;
+ }
+ module.refreshItems();
+ },
+ variables: function(message, term) {
+ var
+ hasCount = (message.search('{count}') !== -1),
+ hasMaxCount = (message.search('{maxCount}') !== -1),
+ hasTerm = (message.search('{term}') !== -1),
+ count,
+ query
+ ;
+ module.verbose('Adding templated variables to message', message);
+ if(hasCount) {
+ count = module.get.selectionCount();
+ message = message.replace('{count}', count);
+ }
+ if(hasMaxCount) {
+ count = module.get.selectionCount();
+ message = message.replace('{maxCount}', settings.maxSelections);
+ }
+ if(hasTerm) {
+ query = term || module.get.query();
+ message = message.replace('{term}', query);
+ }
+ return message;
+ },
+ value: function(addedValue, addedText, $selectedItem) {
+ var
+ currentValue = module.get.values(),
+ newValue
+ ;
+ if(module.has.value(addedValue)) {
+ module.debug('Value already selected');
+ return;
+ }
+ if(addedValue === '') {
+ module.debug('Cannot select blank values from multiselect');
+ return;
+ }
+ // extend current array
+ if(Array.isArray(currentValue)) {
+ newValue = currentValue.concat([addedValue]);
+ newValue = module.get.uniqueArray(newValue);
+ }
+ else {
+ newValue = [addedValue];
+ }
+ // add values
+ if( module.has.selectInput() ) {
+ if(module.can.extendSelect()) {
+ module.debug('Adding value to select', addedValue, newValue, $input);
+ module.add.optionValue(addedValue);
+ }
+ }
+ else {
+ newValue = newValue.join(settings.delimiter);
+ module.debug('Setting hidden input to delimited value', newValue, $input);
+ }
+
+ if(settings.fireOnInit === false && module.is.initialLoad()) {
+ module.verbose('Skipping onadd callback on initial load', settings.onAdd);
+ }
+ else {
+ settings.onAdd.call(element, addedValue, addedText, $selectedItem);
+ }
+ module.set.value(newValue, addedText, $selectedItem);
+ module.check.maxSelections();
+ },
+ },
+
+ remove: {
+ active: function() {
+ $module.removeClass(className.active);
+ },
+ activeLabel: function() {
+ $module.find(selector.label).removeClass(className.active);
+ },
+ empty: function() {
+ $module.removeClass(className.empty);
+ },
+ loading: function() {
+ $module.removeClass(className.loading);
+ },
+ initialLoad: function() {
+ initialLoad = false;
+ },
+ upward: function($currentMenu) {
+ var $element = $currentMenu || $module;
+ $element.removeClass(className.upward);
+ },
+ leftward: function($currentMenu) {
+ var $element = $currentMenu || $menu;
+ $element.removeClass(className.leftward);
+ },
+ visible: function() {
+ $module.removeClass(className.visible);
+ },
+ activeItem: function() {
+ $item.removeClass(className.active);
+ },
+ filteredItem: function() {
+ if(settings.useLabels && module.has.maxSelections() ) {
+ return;
+ }
+ if(settings.useLabels && module.is.multiple()) {
+ $item.not('.' + className.active).removeClass(className.filtered);
+ }
+ else {
+ $item.removeClass(className.filtered);
+ }
+ if(settings.hideDividers) {
+ $divider.removeClass(className.hidden);
+ }
+ module.remove.empty();
+ },
+ optionValue: function(value) {
+ var
+ escapedValue = module.escape.value(value),
+ $option = $input.find('option[value="' + module.escape.string(escapedValue) + '"]'),
+ hasOption = ($option.length > 0)
+ ;
+ if(!hasOption || !$option.hasClass(className.addition)) {
+ return;
+ }
+ // temporarily disconnect observer
+ if(selectObserver) {
+ selectObserver.disconnect();
+ module.verbose('Temporarily disconnecting mutation observer');
+ }
+ $option.remove();
+ module.verbose('Removing user addition as an <option>', escapedValue);
+ if(selectObserver) {
+ selectObserver.observe($input[0], {
+ childList : true,
+ subtree : true
+ });
+ }
+ },
+ message: function() {
+ $menu.children(selector.message).remove();
+ },
+ searchWidth: function() {
+ $search.css('width', '');
+ },
+ searchTerm: function() {
+ module.verbose('Cleared search term');
+ $search.val('');
+ module.set.filtered();
+ },
+ userAddition: function() {
+ $item.filter(selector.addition).remove();
+ },
+ selected: function(value, $selectedItem) {
+ $selectedItem = (settings.allowAdditions)
+ ? $selectedItem || module.get.itemWithAdditions(value)
+ : $selectedItem || module.get.item(value)
+ ;
+
+ if(!$selectedItem) {
+ return false;
+ }
+
+ $selectedItem
+ .each(function() {
+ var
+ $selected = $(this),
+ selectedText = module.get.choiceText($selected),
+ selectedValue = module.get.choiceValue($selected, selectedText)
+ ;
+ if(module.is.multiple()) {
+ if(settings.useLabels) {
+ module.remove.value(selectedValue, selectedText, $selected);
+ module.remove.label(selectedValue);
+ }
+ else {
+ module.remove.value(selectedValue, selectedText, $selected);
+ if(module.get.selectionCount() === 0) {
+ module.set.placeholderText();
+ }
+ else {
+ module.set.text(module.add.variables(message.count));
+ }
+ }
+ }
+ else {
+ module.remove.value(selectedValue, selectedText, $selected);
+ }
+ $selected
+ .removeClass(className.filtered)
+ .removeClass(className.active)
+ ;
+ if(settings.useLabels) {
+ $selected.removeClass(className.selected);
+ }
+ })
+ ;
+ },
+ selectedItem: function() {
+ $item.removeClass(className.selected);
+ },
+ value: function(removedValue, removedText, $removedItem) {
+ var
+ values = module.get.values(),
+ newValue
+ ;
+ removedValue = module.escape.htmlEntities(removedValue);
+ if( module.has.selectInput() ) {
+ module.verbose('Input is <select> removing selected option', removedValue);
+ newValue = module.remove.arrayValue(removedValue, values);
+ module.remove.optionValue(removedValue);
+ }
+ else {
+ module.verbose('Removing from delimited values', removedValue);
+ newValue = module.remove.arrayValue(removedValue, values);
+ newValue = newValue.join(settings.delimiter);
+ }
+ if(settings.fireOnInit === false && module.is.initialLoad()) {
+ module.verbose('No callback on initial load', settings.onRemove);
+ }
+ else {
+ settings.onRemove.call(element, removedValue, removedText, $removedItem);
+ }
+ module.set.value(newValue, removedText, $removedItem);
+ module.check.maxSelections();
+ },
+ arrayValue: function(removedValue, values) {
+ if( !Array.isArray(values) ) {
+ values = [values];
+ }
+ values = $.grep(values, function(value){
+ return (removedValue != value);
+ });
+ module.verbose('Removed value from delimited string', removedValue, values);
+ return values;
+ },
+ label: function(value, shouldAnimate) {
+ var
+ $labels = $module.find(selector.label),
+ $removedLabel = $labels.filter('[data-' + metadata.value + '="' + module.escape.string(settings.ignoreCase ? value.toLowerCase() : value) +'"]')
+ ;
+ module.verbose('Removing label', $removedLabel);
+ $removedLabel.remove();
+ },
+ activeLabels: function($activeLabels) {
+ $activeLabels = $activeLabels || $module.find(selector.label).filter('.' + className.active);
+ module.verbose('Removing active label selections', $activeLabels);
+ module.remove.labels($activeLabels);
+ },
+ labels: function($labels) {
+ $labels = $labels || $module.find(selector.label);
+ module.verbose('Removing labels', $labels);
+ $labels
+ .each(function(){
+ var
+ $label = $(this),
+ value = $label.data(metadata.value),
+ stringValue = (value !== undefined)
+ ? String(value)
+ : value,
+ isUserValue = module.is.userValue(stringValue)
+ ;
+ if(settings.onLabelRemove.call($label, value) === false) {
+ module.debug('Label remove callback cancelled removal');
+ return;
+ }
+ module.remove.message();
+ if(isUserValue) {
+ module.remove.value(stringValue);
+ module.remove.label(stringValue);
+ }
+ else {
+ // selected will also remove label
+ module.remove.selected(stringValue);
+ }
+ })
+ ;
+ },
+ tabbable: function() {
+ if( module.is.searchSelection() ) {
+ module.debug('Searchable dropdown initialized');
+ $search
+ .removeAttr('tabindex')
+ ;
+ $menu
+ .removeAttr('tabindex')
+ ;
+ }
+ else {
+ module.debug('Simple selection dropdown initialized');
+ $module
+ .removeAttr('tabindex')
+ ;
+ $menu
+ .removeAttr('tabindex')
+ ;
+ }
+ },
+ diacritics: function(text) {
+ return settings.ignoreDiacritics ? text.normalize('NFD').replace(/[\u0300-\u036f]/g, '') : text;
+ }
+ },
+
+ has: {
+ menuSearch: function() {
+ return (module.has.search() && $search.closest($menu).length > 0);
+ },
+ clearItem: function() {
+ return ($clear.length > 0);
+ },
+ search: function() {
+ return ($search.length > 0);
+ },
+ sizer: function() {
+ return ($sizer.length > 0);
+ },
+ selectInput: function() {
+ return ( $input.is('select') );
+ },
+ minCharacters: function(searchTerm) {
+ if(settings.minCharacters && !iconClicked) {
+ searchTerm = (searchTerm !== undefined)
+ ? String(searchTerm)
+ : String(module.get.query())
+ ;
+ return (searchTerm.length >= settings.minCharacters);
+ }
+ iconClicked=false;
+ return true;
+ },
+ firstLetter: function($item, letter) {
+ var
+ text,
+ firstLetter
+ ;
+ if(!$item || $item.length === 0 || typeof letter !== 'string') {
+ return false;
+ }
+ text = module.get.choiceText($item, false);
+ letter = letter.toLowerCase();
+ firstLetter = String(text).charAt(0).toLowerCase();
+ return (letter == firstLetter);
+ },
+ input: function() {
+ return ($input.length > 0);
+ },
+ items: function() {
+ return ($item.length > 0);
+ },
+ menu: function() {
+ return ($menu.length > 0);
+ },
+ message: function() {
+ return ($menu.children(selector.message).length !== 0);
+ },
+ label: function(value) {
+ var
+ escapedValue = module.escape.value(value),
+ $labels = $module.find(selector.label)
+ ;
+ if(settings.ignoreCase) {
+ escapedValue = escapedValue.toLowerCase();
+ }
+ return ($labels.filter('[data-' + metadata.value + '="' + module.escape.string(escapedValue) +'"]').length > 0);
+ },
+ maxSelections: function() {
+ return (settings.maxSelections && module.get.selectionCount() >= settings.maxSelections);
+ },
+ allResultsFiltered: function() {
+ var
+ $normalResults = $item.not(selector.addition)
+ ;
+ return ($normalResults.filter(selector.unselectable).length === $normalResults.length);
+ },
+ userSuggestion: function() {
+ return ($menu.children(selector.addition).length > 0);
+ },
+ query: function() {
+ return (module.get.query() !== '');
+ },
+ value: function(value) {
+ return (settings.ignoreCase)
+ ? module.has.valueIgnoringCase(value)
+ : module.has.valueMatchingCase(value)
+ ;
+ },
+ valueMatchingCase: function(value) {
+ var
+ values = module.get.values(),
+ hasValue = Array.isArray(values)
+ ? values && ($.inArray(value, values) !== -1)
+ : (values == value)
+ ;
+ return (hasValue)
+ ? true
+ : false
+ ;
+ },
+ valueIgnoringCase: function(value) {
+ var
+ values = module.get.values(),
+ hasValue = false
+ ;
+ if(!Array.isArray(values)) {
+ values = [values];
+ }
+ $.each(values, function(index, existingValue) {
+ if(String(value).toLowerCase() == String(existingValue).toLowerCase()) {
+ hasValue = true;
+ return false;
+ }
+ });
+ return hasValue;
+ }
+ },
+
+ is: {
+ active: function() {
+ return $module.hasClass(className.active);
+ },
+ animatingInward: function() {
+ return $menu.transition('is inward');
+ },
+ animatingOutward: function() {
+ return $menu.transition('is outward');
+ },
+ bubbledLabelClick: function(event) {
+ return $(event.target).is('select, input') && $module.closest('label').length > 0;
+ },
+ bubbledIconClick: function(event) {
+ return $(event.target).closest($icon).length > 0;
+ },
+ alreadySetup: function() {
+ return ($module.is('select') && $module.parent(selector.dropdown).data(moduleNamespace) !== undefined && $module.prev().length === 0);
+ },
+ animating: function($subMenu) {
+ return ($subMenu)
+ ? $subMenu.transition && $subMenu.transition('is animating')
+ : $menu.transition && $menu.transition('is animating')
+ ;
+ },
+ leftward: function($subMenu) {
+ var $selectedMenu = $subMenu || $menu;
+ return $selectedMenu.hasClass(className.leftward);
+ },
+ clearable: function() {
+ return ($module.hasClass(className.clearable) || settings.clearable);
+ },
+ disabled: function() {
+ return $module.hasClass(className.disabled);
+ },
+ focused: function() {
+ return (document.activeElement === $module[0]);
+ },
+ focusedOnSearch: function() {
+ return (document.activeElement === $search[0]);
+ },
+ allFiltered: function() {
+ return( (module.is.multiple() || module.has.search()) && !(settings.hideAdditions == false && module.has.userSuggestion()) && !module.has.message() && module.has.allResultsFiltered() );
+ },
+ hidden: function($subMenu) {
+ return !module.is.visible($subMenu);
+ },
+ initialLoad: function() {
+ return initialLoad;
+ },
+ inObject: function(needle, object) {
+ var
+ found = false
+ ;
+ $.each(object, function(index, property) {
+ if(property == needle) {
+ found = true;
+ return true;
+ }
+ });
+ return found;
+ },
+ multiple: function() {
+ return $module.hasClass(className.multiple);
+ },
+ remote: function() {
+ return settings.apiSettings && module.can.useAPI();
+ },
+ single: function() {
+ return !module.is.multiple();
+ },
+ selectMutation: function(mutations) {
+ var
+ selectChanged = false
+ ;
+ $.each(mutations, function(index, mutation) {
+ if($(mutation.target).is('select') || $(mutation.addedNodes).is('select')) {
+ selectChanged = true;
+ return false;
+ }
+ });
+ return selectChanged;
+ },
+ search: function() {
+ return $module.hasClass(className.search);
+ },
+ searchSelection: function() {
+ return ( module.has.search() && $search.parent(selector.dropdown).length === 1 );
+ },
+ selection: function() {
+ return $module.hasClass(className.selection);
+ },
+ userValue: function(value) {
+ return ($.inArray(value, module.get.userValues()) !== -1);
+ },
+ upward: function($menu) {
+ var $element = $menu || $module;
+ return $element.hasClass(className.upward);
+ },
+ visible: function($subMenu) {
+ return ($subMenu)
+ ? $subMenu.hasClass(className.visible)
+ : $menu.hasClass(className.visible)
+ ;
+ },
+ verticallyScrollableContext: function() {
+ var
+ overflowY = ($context.get(0) !== window)
+ ? $context.css('overflow-y')
+ : false
+ ;
+ return (overflowY == 'auto' || overflowY == 'scroll');
+ },
+ horizontallyScrollableContext: function() {
+ var
+ overflowX = ($context.get(0) !== window)
+ ? $context.css('overflow-X')
+ : false
+ ;
+ return (overflowX == 'auto' || overflowX == 'scroll');
+ }
+ },
+
+ can: {
+ activate: function($item) {
+ if(settings.useLabels) {
+ return true;
+ }
+ if(!module.has.maxSelections()) {
+ return true;
+ }
+ if(module.has.maxSelections() && $item.hasClass(className.active)) {
+ return true;
+ }
+ return false;
+ },
+ openDownward: function($subMenu) {
+ var
+ $currentMenu = $subMenu || $menu,
+ canOpenDownward = true,
+ onScreen = {},
+ calculations
+ ;
+ $currentMenu
+ .addClass(className.loading)
+ ;
+ calculations = {
+ context: {
+ offset : ($context.get(0) === window)
+ ? { top: 0, left: 0}
+ : $context.offset(),
+ scrollTop : $context.scrollTop(),
+ height : $context.outerHeight()
+ },
+ menu : {
+ offset: $currentMenu.offset(),
+ height: $currentMenu.outerHeight()
+ }
+ };
+ if(module.is.verticallyScrollableContext()) {
+ calculations.menu.offset.top += calculations.context.scrollTop;
+ }
+ onScreen = {
+ above : (calculations.context.scrollTop) <= calculations.menu.offset.top - calculations.context.offset.top - calculations.menu.height,
+ below : (calculations.context.scrollTop + calculations.context.height) >= calculations.menu.offset.top - calculations.context.offset.top + calculations.menu.height
+ };
+ if(onScreen.below) {
+ module.verbose('Dropdown can fit in context downward', onScreen);
+ canOpenDownward = true;
+ }
+ else if(!onScreen.below && !onScreen.above) {
+ module.verbose('Dropdown cannot fit in either direction, favoring downward', onScreen);
+ canOpenDownward = true;
+ }
+ else {
+ module.verbose('Dropdown cannot fit below, opening upward', onScreen);
+ canOpenDownward = false;
+ }
+ $currentMenu.removeClass(className.loading);
+ return canOpenDownward;
+ },
+ openRightward: function($subMenu) {
+ var
+ $currentMenu = $subMenu || $menu,
+ canOpenRightward = true,
+ isOffscreenRight = false,
+ calculations
+ ;
+ $currentMenu
+ .addClass(className.loading)
+ ;
+ calculations = {
+ context: {
+ offset : ($context.get(0) === window)
+ ? { top: 0, left: 0}
+ : $context.offset(),
+ scrollLeft : $context.scrollLeft(),
+ width : $context.outerWidth()
+ },
+ menu: {
+ offset : $currentMenu.offset(),
+ width : $currentMenu.outerWidth()
+ }
+ };
+ if(module.is.horizontallyScrollableContext()) {
+ calculations.menu.offset.left += calculations.context.scrollLeft;
+ }
+ isOffscreenRight = (calculations.menu.offset.left - calculations.context.offset.left + calculations.menu.width >= calculations.context.scrollLeft + calculations.context.width);
+ if(isOffscreenRight) {
+ module.verbose('Dropdown cannot fit in context rightward', isOffscreenRight);
+ canOpenRightward = false;
+ }
+ $currentMenu.removeClass(className.loading);
+ return canOpenRightward;
+ },
+ click: function() {
+ return (hasTouch || settings.on == 'click');
+ },
+ extendSelect: function() {
+ return settings.allowAdditions || settings.apiSettings;
+ },
+ show: function() {
+ return !module.is.disabled() && (module.has.items() || module.has.message());
+ },
+ useAPI: function() {
+ return $.fn.api !== undefined;
+ }
+ },
+
+ animate: {
+ show: function(callback, $subMenu) {
+ var
+ $currentMenu = $subMenu || $menu,
+ start = ($subMenu)
+ ? function() {}
+ : function() {
+ module.hideSubMenus();
+ module.hideOthers();
+ module.set.active();
+ },
+ transition
+ ;
+ callback = $.isFunction(callback)
+ ? callback
+ : function(){}
+ ;
+ module.verbose('Doing menu show animation', $currentMenu);
+ module.set.direction($subMenu);
+ transition = module.get.transition($subMenu);
+ if( module.is.selection() ) {
+ module.set.scrollPosition(module.get.selectedItem(), true);
+ }
+ if( module.is.hidden($currentMenu) || module.is.animating($currentMenu) ) {
+ var displayType = $module.hasClass('column') ? 'flex' : false;
+ if(transition == 'none') {
+ start();
+ $currentMenu.transition({
+ displayType: displayType
+ }).transition('show');
+ callback.call(element);
+ }
+ else if($.fn.transition !== undefined && $module.transition('is supported')) {
+ $currentMenu
+ .transition({
+ animation : transition + ' in',
+ debug : settings.debug,
+ verbose : settings.verbose,
+ duration : settings.duration,
+ queue : true,
+ onStart : start,
+ displayType: displayType,
+ onComplete : function() {
+ callback.call(element);
+ }
+ })
+ ;
+ }
+ else {
+ module.error(error.noTransition, transition);
+ }
+ }
+ },
+ hide: function(callback, $subMenu) {
+ var
+ $currentMenu = $subMenu || $menu,
+ start = ($subMenu)
+ ? function() {}
+ : function() {
+ if( module.can.click() ) {
+ module.unbind.intent();
+ }
+ module.remove.active();
+ },
+ transition = module.get.transition($subMenu)
+ ;
+ callback = $.isFunction(callback)
+ ? callback
+ : function(){}
+ ;
+ if( module.is.visible($currentMenu) || module.is.animating($currentMenu) ) {
+ module.verbose('Doing menu hide animation', $currentMenu);
+
+ if(transition == 'none') {
+ start();
+ $currentMenu.transition('hide');
+ callback.call(element);
+ }
+ else if($.fn.transition !== undefined && $module.transition('is supported')) {
+ $currentMenu
+ .transition({
+ animation : transition + ' out',
+ duration : settings.duration,
+ debug : settings.debug,
+ verbose : settings.verbose,
+ queue : false,
+ onStart : start,
+ onComplete : function() {
+ callback.call(element);
+ }
+ })
+ ;
+ }
+ else {
+ module.error(error.transition);
+ }
+ }
+ }
+ },
+
+ hideAndClear: function() {
+ module.remove.searchTerm();
+ if( module.has.maxSelections() ) {
+ return;
+ }
+ if(module.has.search()) {
+ module.hide(function() {
+ module.remove.filteredItem();
+ });
+ }
+ else {
+ module.hide();
+ }
+ },
+
+ delay: {
+ show: function() {
+ module.verbose('Delaying show event to ensure user intent');
+ clearTimeout(module.timer);
+ module.timer = setTimeout(module.show, settings.delay.show);
+ },
+ hide: function() {
+ module.verbose('Delaying hide event to ensure user intent');
+ clearTimeout(module.timer);
+ module.timer = setTimeout(module.hide, settings.delay.hide);
+ }
+ },
+
+ escape: {
+ value: function(value) {
+ var
+ multipleValues = Array.isArray(value),
+ stringValue = (typeof value === 'string'),
+ isUnparsable = (!stringValue && !multipleValues),
+ hasQuotes = (stringValue && value.search(regExp.quote) !== -1),
+ values = []
+ ;
+ if(isUnparsable || !hasQuotes) {
+ return value;
+ }
+ module.debug('Encoding quote values for use in select', value);
+ if(multipleValues) {
+ $.each(value, function(index, value){
+ values.push(value.replace(regExp.quote, '"'));
+ });
+ return values;
+ }
+ return value.replace(regExp.quote, '"');
+ },
+ string: function(text) {
+ text = String(text);
+ return text.replace(regExp.escape, '\\$&');
+ },
+ htmlEntities: function(string) {
+ var
+ badChars = /[<>"'`]/g,
+ shouldEscape = /[&<>"'`]/,
+ escape = {
+ "<": "<",
+ ">": ">",
+ '"': """,
+ "'": "'",
+ "`": "`"
+ },
+ escapedChar = function(chr) {
+ return escape[chr];
+ }
+ ;
+ if(shouldEscape.test(string)) {
+ string = string.replace(/&(?![a-z0-9#]{1,6};)/, "&");
+ return string.replace(badChars, escapedChar);
+ }
+ return string;
+ }
+ },
+
+ setting: function(name, value) {
+ module.debug('Changing setting', name, value);
+ if( $.isPlainObject(name) ) {
+ $.extend(true, settings, name);
+ }
+ else if(value !== undefined) {
+ if($.isPlainObject(settings[name])) {
+ $.extend(true, settings[name], value);
+ }
+ else {
+ settings[name] = value;
+ }
+ }
+ else {
+ return settings[name];
+ }
+ },
+ internal: function(name, value) {
+ if( $.isPlainObject(name) ) {
+ $.extend(true, module, name);
+ }
+ else if(value !== undefined) {
+ module[name] = value;
+ }
+ else {
+ return module[name];
+ }
+ },
+ debug: function() {
+ if(!settings.silent && settings.debug) {
+ if(settings.performance) {
+ module.performance.log(arguments);
+ }
+ else {
+ module.debug = Function.prototype.bind.call(console.info, console, settings.name + ':');
+ module.debug.apply(console, arguments);
+ }
+ }
+ },
+ verbose: function() {
+ if(!settings.silent && settings.verbose && settings.debug) {
+ if(settings.performance) {
+ module.performance.log(arguments);
+ }
+ else {
+ module.verbose = Function.prototype.bind.call(console.info, console, settings.name + ':');
+ module.verbose.apply(console, arguments);
+ }
+ }
+ },
+ error: function() {
+ if(!settings.silent) {
+ module.error = Function.prototype.bind.call(console.error, console, settings.name + ':');
+ module.error.apply(console, arguments);
+ }
+ },
+ performance: {
+ log: function(message) {
+ var
+ currentTime,
+ executionTime,
+ previousTime
+ ;
+ if(settings.performance) {
+ currentTime = new Date().getTime();
+ previousTime = time || currentTime;
+ executionTime = currentTime - previousTime;
+ time = currentTime;
+ performance.push({
+ 'Name' : message[0],
+ 'Arguments' : [].slice.call(message, 1) || '',
+ 'Element' : element,
+ 'Execution Time' : executionTime
+ });
+ }
+ clearTimeout(module.performance.timer);
+ module.performance.timer = setTimeout(module.performance.display, 500);
+ },
+ display: function() {
+ var
+ title = settings.name + ':',
+ totalTime = 0
+ ;
+ time = false;
+ clearTimeout(module.performance.timer);
+ $.each(performance, function(index, data) {
+ totalTime += data['Execution Time'];
+ });
+ title += ' ' + totalTime + 'ms';
+ if(moduleSelector) {
+ title += ' \'' + moduleSelector + '\'';
+ }
+ if( (console.group !== undefined || console.table !== undefined) && performance.length > 0) {
+ console.groupCollapsed(title);
+ if(console.table) {
+ console.table(performance);
+ }
+ else {
+ $.each(performance, function(index, data) {
+ console.log(data['Name'] + ': ' + data['Execution Time']+'ms');
+ });
+ }
+ console.groupEnd();
+ }
+ performance = [];
+ }
+ },
+ invoke: function(query, passedArguments, context) {
+ var
+ object = instance,
+ maxDepth,
+ found,
+ response
+ ;
+ passedArguments = passedArguments || queryArguments;
+ context = element || context;
+ if(typeof query == 'string' && object !== undefined) {
+ query = query.split(/[\. ]/);
+ maxDepth = query.length - 1;
+ $.each(query, function(depth, value) {
+ var camelCaseValue = (depth != maxDepth)
+ ? value + query[depth + 1].charAt(0).toUpperCase() + query[depth + 1].slice(1)
+ : query
+ ;
+ if( $.isPlainObject( object[camelCaseValue] ) && (depth != maxDepth) ) {
+ object = object[camelCaseValue];
+ }
+ else if( object[camelCaseValue] !== undefined ) {
+ found = object[camelCaseValue];
+ return false;
+ }
+ else if( $.isPlainObject( object[value] ) && (depth != maxDepth) ) {
+ object = object[value];
+ }
+ else if( object[value] !== undefined ) {
+ found = object[value];
+ return false;
+ }
+ else {
+ module.error(error.method, query);
+ return false;
+ }
+ });
+ }
+ if ( $.isFunction( found ) ) {
+ response = found.apply(context, passedArguments);
+ }
+ else if(found !== undefined) {
+ response = found;
+ }
+ if(Array.isArray(returnedValue)) {
+ returnedValue.push(response);
+ }
+ else if(returnedValue !== undefined) {
+ returnedValue = [returnedValue, response];
+ }
+ else if(response !== undefined) {
+ returnedValue = response;
+ }
+ return found;
+ }
+ };
+
+ if(methodInvoked) {
+ if(instance === undefined) {
+ module.initialize();
+ }
+ module.invoke(query);
+ }
+ else {
+ if(instance !== undefined) {
+ instance.invoke('destroy');
+ }
+ module.initialize();
+ }
+ })
+ ;
+ return (returnedValue !== undefined)
+ ? returnedValue
+ : $allModules
+ ;
+};
+
+$.fn.dropdown.settings = {
+
+ silent : false,
+ debug : false,
+ verbose : false,
+ performance : true,
+
+ on : 'click', // what event should show menu action on item selection
+ action : 'activate', // action on item selection (nothing, activate, select, combo, hide, function(){})
+
+ values : false, // specify values to use for dropdown
+
+ clearable : false, // whether the value of the dropdown can be cleared
+
+ apiSettings : false,
+ selectOnKeydown : true, // Whether selection should occur automatically when keyboard shortcuts used
+ minCharacters : 0, // Minimum characters required to trigger API call
+
+ filterRemoteData : false, // Whether API results should be filtered after being returned for query term
+ saveRemoteData : true, // Whether remote name/value pairs should be stored in sessionStorage to allow remote data to be restored on page refresh
+
+ throttle : 200, // How long to wait after last user input to search remotely
+
+ context : window, // Context to use when determining if on screen
+ direction : 'auto', // Whether dropdown should always open in one direction
+ keepOnScreen : true, // Whether dropdown should check whether it is on screen before showing
+
+ match : 'both', // what to match against with search selection (both, text, or label)
+ fullTextSearch : false, // search anywhere in value (set to 'exact' to require exact matches)
+ ignoreDiacritics : false, // match results also if they contain diacritics of the same base character (for example searching for "a" will also match "á" or "â" or "à", etc...)
+ hideDividers : false, // Whether to hide any divider elements (specified in selector.divider) that are sibling to any items when searched (set to true will hide all dividers, set to 'empty' will hide them when they are not followed by a visible item)
+
+ placeholder : 'auto', // whether to convert blank <select> values to placeholder text
+ preserveHTML : true, // preserve html when selecting value
+ sortSelect : false, // sort selection on init
+
+ forceSelection : true, // force a choice on blur with search selection
+
+ allowAdditions : false, // whether multiple select should allow user added values
+ ignoreCase : false, // whether to consider case sensitivity when creating labels
+ ignoreSearchCase : true, // whether to consider case sensitivity when filtering items
+ hideAdditions : true, // whether or not to hide special message prompting a user they can enter a value
+
+ maxSelections : false, // When set to a number limits the number of selections to this count
+ useLabels : true, // whether multiple select should filter currently active selections from choices
+ delimiter : ',', // when multiselect uses normal <input> the values will be delimited with this character
+
+ showOnFocus : true, // show menu on focus
+ allowReselection : false, // whether current value should trigger callbacks when reselected
+ allowTab : true, // add tabindex to element
+ allowCategorySelection : false, // allow elements with sub-menus to be selected
+
+ fireOnInit : false, // Whether callbacks should fire when initializing dropdown values
+
+ transition : 'auto', // auto transition will slide down or up based on direction
+ duration : 200, // duration of transition
+
+ glyphWidth : 1.037, // widest glyph width in em (W is 1.037 em) used to calculate multiselect input width
+
+ headerDivider : true, // whether option headers should have an additional divider line underneath when converted from <select> <optgroup>
+
+ // label settings on multi-select
+ label: {
+ transition : 'scale',
+ duration : 200,
+ variation : false
+ },
+
+ // delay before event
+ delay : {
+ hide : 300,
+ show : 200,
+ search : 20,
+ touch : 50
+ },
+
+ /* Callbacks */
+ onChange : function(value, text, $selected){},
+ onAdd : function(value, text, $selected){},
+ onRemove : function(value, text, $selected){},
+
+ onLabelSelect : function($selectedLabels){},
+ onLabelCreate : function(value, text) { return $(this); },
+ onLabelRemove : function(value) { return true; },
+ onNoResults : function(searchTerm) { return true; },
+ onShow : function(){},
+ onHide : function(){},
+
+ /* Component */
+ name : 'Dropdown',
+ namespace : 'dropdown',
+
+ message: {
+ addResult : 'Add <b>{term}</b>',
+ count : '{count} selected',
+ maxSelections : 'Max {maxCount} selections',
+ noResults : 'No results found.',
+ serverError : 'There was an error contacting the server'
+ },
+
+ error : {
+ action : 'You called a dropdown action that was not defined',
+ alreadySetup : 'Once a select has been initialized behaviors must be called on the created ui dropdown',
+ labels : 'Allowing user additions currently requires the use of labels.',
+ missingMultiple : '<select> requires multiple property to be set to correctly preserve multiple values',
+ method : 'The method you called is not defined.',
+ noAPI : 'The API module is required to load resources remotely',
+ noStorage : 'Saving remote data requires session storage',
+ noTransition : 'This module requires ui transitions <https://github.com/Semantic-Org/UI-Transition>',
+ noNormalize : '"ignoreDiacritics" setting will be ignored. Browser does not support String().normalize(). You may consider including <https://cdn.jsdelivr.net/npm/unorm@1.4.1/lib/unorm.min.js> as a polyfill.'
+ },
+
+ regExp : {
+ escape : /[-[\]{}()*+?.,\\^$|#\s:=@]/g,
+ quote : /"/g
+ },
+
+ metadata : {
+ defaultText : 'defaultText',
+ defaultValue : 'defaultValue',
+ placeholderText : 'placeholder',
+ text : 'text',
+ value : 'value'
+ },
+
+ // property names for remote query
+ fields: {
+ remoteValues : 'results', // grouping for api results
+ values : 'values', // grouping for all dropdown values
+ disabled : 'disabled', // whether value should be disabled
+ name : 'name', // displayed dropdown text
+ value : 'value', // actual dropdown value
+ text : 'text', // displayed text when selected
+ type : 'type', // type of dropdown element
+ image : 'image', // optional image path
+ imageClass : 'imageClass', // optional individual class for image
+ icon : 'icon', // optional icon name
+ iconClass : 'iconClass', // optional individual class for icon (for example to use flag instead)
+ class : 'class', // optional individual class for item/header
+ divider : 'divider' // optional divider append for group headers
+ },
+
+ keys : {
+ backspace : 8,
+ delimiter : 188, // comma
+ deleteKey : 46,
+ enter : 13,
+ escape : 27,
+ pageUp : 33,
+ pageDown : 34,
+ leftArrow : 37,
+ upArrow : 38,
+ rightArrow : 39,
+ downArrow : 40
+ },
+
+ selector : {
+ addition : '.addition',
+ divider : '.divider, .header',
+ dropdown : '.ui.dropdown',
+ hidden : '.hidden',
+ icon : '> .dropdown.icon',
+ input : '> input[type="hidden"], > select',
+ item : '.item',
+ label : '> .label',
+ remove : '> .label > .delete.icon',
+ siblingLabel : '.label',
+ menu : '.menu',
+ message : '.message',
+ menuIcon : '.dropdown.icon',
+ search : 'input.search, .menu > .search > input, .menu input.search',
+ sizer : '> span.sizer',
+ text : '> .text:not(.icon)',
+ unselectable : '.disabled, .filtered',
+ clearIcon : '> .remove.icon'
+ },
+
+ className : {
+ active : 'active',
+ addition : 'addition',
+ animating : 'animating',
+ disabled : 'disabled',
+ empty : 'empty',
+ dropdown : 'ui dropdown',
+ filtered : 'filtered',
+ hidden : 'hidden transition',
+ icon : 'icon',
+ image : 'image',
+ item : 'item',
+ label : 'ui label',
+ loading : 'loading',
+ menu : 'menu',
+ message : 'message',
+ multiple : 'multiple',
+ placeholder : 'default',
+ sizer : 'sizer',
+ search : 'search',
+ selected : 'selected',
+ selection : 'selection',
+ upward : 'upward',
+ leftward : 'left',
+ visible : 'visible',
+ clearable : 'clearable',
+ noselection : 'noselection',
+ delete : 'delete',
+ header : 'header',
+ divider : 'divider',
+ groupIcon : '',
+ unfilterable : 'unfilterable'
+ }
+
+};
+
+/* Templates */
+$.fn.dropdown.settings.templates = {
+ deQuote: function(string) {
+ return String(string).replace(/"/g,"");
+ },
+ escape: function(string, preserveHTML) {
+ if (preserveHTML){
+ return string;
+ }
+ var
+ badChars = /[<>"'`]/g,
+ shouldEscape = /[&<>"'`]/,
+ escape = {
+ "<": "<",
+ ">": ">",
+ '"': """,
+ "'": "'",
+ "`": "`"
+ },
+ escapedChar = function(chr) {
+ return escape[chr];
+ }
+ ;
+ if(shouldEscape.test(string)) {
+ string = string.replace(/&(?![a-z0-9#]{1,6};)/, "&");
+ return string.replace(badChars, escapedChar);
+ }
+ return string;
+ },
+ // generates dropdown from select values
+ dropdown: function(select, fields, preserveHTML, className) {
+ var
+ placeholder = select.placeholder || false,
+ html = '',
+ escape = $.fn.dropdown.settings.templates.escape
+ ;
+ html += '<i class="dropdown icon"></i>';
+ if(placeholder) {
+ html += '<div class="default text">' + escape(placeholder,preserveHTML) + '</div>';
+ }
+ else {
+ html += '<div class="text"></div>';
+ }
+ html += '<div class="'+className.menu+'">';
+ html += $.fn.dropdown.settings.templates.menu(select, fields, preserveHTML,className);
+ html += '</div>';
+ return html;
+ },
+
+ // generates just menu from select
+ menu: function(response, fields, preserveHTML, className) {
+ var
+ values = response[fields.values] || [],
+ html = '',
+ escape = $.fn.dropdown.settings.templates.escape,
+ deQuote = $.fn.dropdown.settings.templates.deQuote
+ ;
+ $.each(values, function(index, option) {
+ var
+ itemType = (option[fields.type])
+ ? option[fields.type]
+ : 'item'
+ ;
+
+ if( itemType === 'item' ) {
+ var
+ maybeText = (option[fields.text])
+ ? ' data-text="' + deQuote(option[fields.text]) + '"'
+ : '',
+ maybeDisabled = (option[fields.disabled])
+ ? className.disabled+' '
+ : ''
+ ;
+ html += '<div class="'+ maybeDisabled + (option[fields.class] ? deQuote(option[fields.class]) : className.item)+'" data-value="' + deQuote(option[fields.value]) + '"' + maybeText + '>';
+ if(option[fields.image]) {
+ html += '<img class="'+(option[fields.imageClass] ? deQuote(option[fields.imageClass]) : className.image)+'" src="' + deQuote(option[fields.image]) + '">';
+ }
+ if(option[fields.icon]) {
+ html += '<i class="'+deQuote(option[fields.icon])+' '+(option[fields.iconClass] ? deQuote(option[fields.iconClass]) : className.icon)+'"></i>';
+ }
+ html += escape(option[fields.name] || '', preserveHTML);
+ html += '</div>';
+ } else if (itemType === 'header') {
+ var groupName = escape(option[fields.name] || '', preserveHTML),
+ groupIcon = option[fields.icon] ? deQuote(option[fields.icon]) : className.groupIcon
+ ;
+ if(groupName !== '' || groupIcon !== '') {
+ html += '<div class="' + (option[fields.class] ? deQuote(option[fields.class]) : className.header) + '">';
+ if (groupIcon !== '') {
+ html += '<i class="' + groupIcon + ' ' + (option[fields.iconClass] ? deQuote(option[fields.iconClass]) : className.icon) + '"></i>';
+ }
+ html += groupName;
+ html += '</div>';
+ }
+ if(option[fields.divider]){
+ html += '<div class="'+className.divider+'"></div>';
+ }
+ }
+ });
+ return html;
+ },
+
+ // generates label for multiselect
+ label: function(value, text, preserveHTML, className) {
+ var
+ escape = $.fn.dropdown.settings.templates.escape;
+ return escape(text,preserveHTML) + '<i class="'+className.delete+' icon"></i>';
+ },
+
+
+ // generates messages like "No results"
+ message: function(message) {
+ return message;
+ },
+
+ // generates user addition to selection menu
+ addition: function(choice) {
+ return choice;
+ }
+
+};
+
+})( jQuery, window, document );
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