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3223 lines
110 KiB
3223 lines
110 KiB
/*!
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* # Semantic UI 2.0.0 - Dropdown
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* http://github.com/semantic-org/semantic-ui/
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*
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*
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* Copyright 2015 Contributors
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* Released under the MIT license
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* http://opensource.org/licenses/MIT
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*
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*/
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;(function ( $, window, document, undefined ) {
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"use strict";
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$.fn.dropdown = function(parameters) {
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var
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$allModules = $(this),
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$document = $(document),
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moduleSelector = $allModules.selector || '',
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hasTouch = ('ontouchstart' in document.documentElement),
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time = new Date().getTime(),
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performance = [],
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query = arguments[0],
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methodInvoked = (typeof query == 'string'),
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queryArguments = [].slice.call(arguments, 1),
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returnedValue
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;
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$allModules
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.each(function(elementIndex) {
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var
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settings = ( $.isPlainObject(parameters) )
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? $.extend(true, {}, $.fn.dropdown.settings, parameters)
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: $.extend({}, $.fn.dropdown.settings),
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className = settings.className,
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message = settings.message,
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metadata = settings.metadata,
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namespace = settings.namespace,
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regExp = settings.regExp,
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selector = settings.selector,
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error = settings.error,
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templates = settings.templates,
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eventNamespace = '.' + namespace,
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moduleNamespace = 'module-' + namespace,
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$module = $(this),
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$context = $(settings.context),
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$text = $module.find(selector.text),
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$search = $module.find(selector.search),
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$input = $module.find(selector.input),
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$icon = $module.find(selector.icon),
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$combo = ($module.prev().find(selector.text).length > 0)
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? $module.prev().find(selector.text)
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: $module.prev(),
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$menu = $module.children(selector.menu),
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$item = $menu.find(selector.item),
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activated = false,
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itemActivated = false,
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element = this,
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instance = $module.data(moduleNamespace),
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initialLoad,
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pageLostFocus,
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elementNamespace,
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id,
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selectObserver,
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menuObserver,
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module
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;
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module = {
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initialize: function() {
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module.debug('Initializing dropdown', settings);
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if( module.is.alreadySetup() ) {
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module.setup.reference();
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}
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else {
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module.setup.layout();
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module.refreshData();
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module.save.defaults();
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module.restore.selected();
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module.create.id();
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if(hasTouch) {
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module.bind.touchEvents();
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}
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module.bind.mouseEvents();
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module.bind.keyboardEvents();
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module.observeChanges();
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module.instantiate();
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}
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},
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instantiate: function() {
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module.verbose('Storing instance of dropdown', module);
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instance = module;
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$module
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.data(moduleNamespace, module)
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;
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},
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destroy: function() {
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module.verbose('Destroying previous dropdown', $module);
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module.remove.tabbable();
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$module
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.off(eventNamespace)
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.removeData(moduleNamespace)
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;
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$menu
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.off(eventNamespace)
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;
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$document
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.off(elementNamespace)
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;
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if(selectObserver) {
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selectObserver.disconnect();
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}
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if(menuObserver) {
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menuObserver.disconnect();
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}
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},
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observeChanges: function() {
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if('MutationObserver' in window) {
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selectObserver = new MutationObserver(function(mutations) {
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module.debug('<select> modified, recreating menu');
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module.setup.select();
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});
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menuObserver = new MutationObserver(function(mutations) {
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module.debug('Menu modified, updating selector cache');
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module.refresh();
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});
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if(module.has.input()) {
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selectObserver.observe($input[0], {
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childList : true,
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subtree : true
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});
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}
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if(module.has.menu()) {
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menuObserver.observe($menu[0], {
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childList : true,
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subtree : true
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});
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}
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module.debug('Setting up mutation observer', selectObserver, menuObserver);
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}
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},
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create: {
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id: function() {
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id = (Math.random().toString(16) + '000000000').substr(2, 8);
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elementNamespace = '.' + id;
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module.verbose('Creating unique id for element', id);
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},
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userChoice: function(values) {
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var
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$userChoices,
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$userChoice,
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isUserValue,
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html
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;
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values = values || module.get.userValues();
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if(!values) {
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return false;
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}
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values = $.isArray(values)
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? values
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: [values]
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;
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$.each(values, function(index, value) {
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if(module.get.item(value) === false) {
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html = settings.templates.addition(value);
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$userChoice = $('<div />')
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.html(html)
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.data(metadata.value, value)
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.addClass(className.addition)
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.addClass(className.item)
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;
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$userChoices = ($userChoices === undefined)
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? $userChoice
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: $userChoices.add($userChoice)
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;
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module.verbose('Creating user choices for value', value, $userChoice);
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}
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});
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return $userChoices;
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},
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userLabels: function(value) {
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var
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userValues = module.get.userValues()
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;
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if(userValues) {
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module.debug('Adding user labels', userValues);
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$.each(userValues, function(index, value) {
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module.verbose('Adding custom user value');
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module.add.label(value, value);
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});
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}
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},
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},
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search: function(query) {
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query = (query !== undefined)
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? query
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: module.get.query()
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;
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module.verbose('Searching for query', query);
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module.filter(query);
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},
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select: {
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firstUnfiltered: function() {
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module.verbose('Selecting first non-filtered element');
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module.remove.selectedItem();
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$item
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.not(selector.unselectable)
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.eq(0)
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.addClass(className.selected)
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;
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},
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nextAvailable: function($selected) {
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$selected = $selected.eq(0);
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var
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$nextAvailable = $selected.nextAll(selector.item).not(selector.unselectable).eq(0),
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$prevAvailable = $selected.prevAll(selector.item).not(selector.unselectable).eq(0),
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hasNext = ($nextAvailable.length > 0)
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;
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if(hasNext) {
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module.verbose('Moving selection to', $nextAvailable);
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$nextAvailable.addClass(className.selected);
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}
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else {
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module.verbose('Moving selection to', $prevAvailable);
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$prevAvailable.addClass(className.selected);
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}
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}
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},
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setup: {
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api: function() {
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var
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apiSettings = {
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debug : settings.debug,
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on : false
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}
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;
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module.verbose('First request, initializing API');
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$module
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.api(apiSettings)
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;
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},
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layout: function() {
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if( $module.is('select') ) {
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module.setup.select();
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module.setup.returnedObject();
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console.log($module);
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}
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if( module.is.search() && !module.has.search() ) {
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module.verbose('Adding search input');
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$search = $('<input />')
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.addClass(className.search)
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.insertBefore($text)
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;
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}
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if(settings.allowTab) {
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module.set.tabbable();
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}
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if($menu.length === 0) {
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$menu = $('<div />')
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.addClass(className.menu)
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.appendTo($module)
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;
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}
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},
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select: function() {
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var
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selectValues = module.get.selectValues()
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;
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module.debug('Dropdown initialized on a select', selectValues);
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if( $module.is('select') ) {
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$input = $module;
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}
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// see if select is placed correctly already
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if($input.parent(selector.dropdown).length > 0) {
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module.debug('UI dropdown already exists. Creating dropdown menu only');
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$module = $input.closest(selector.dropdown);
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$menu = $module.children(selector.menu);
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module.setup.menu(selectValues);
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}
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else {
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module.debug('Creating entire dropdown from select');
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$module = $('<div />')
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.attr('class', $input.attr('class') )
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.addClass(className.selection)
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.addClass(className.dropdown)
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.html( templates.dropdown(selectValues) )
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.insertBefore($input)
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;
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$input
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.removeAttr('class')
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.detach()
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.prependTo($module)
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;
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console.log($module);
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}
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if($input.is('[multiple]')) {
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module.set.multiple();
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}
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module.refresh();
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},
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menu: function(values) {
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$menu.html( templates.menu( values ));
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$item = $menu.find(selector.item);
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},
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reference: function() {
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module.debug('Dropdown behavior was called on select, replacing with closest dropdown');
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// replace module reference
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$module = $module.parent(selector.dropdown);
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module.refresh();
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module.setup.returnedObject();
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// invoke method in context of current instance
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if(methodInvoked) {
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instance = module;
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module.invoke(query);
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}
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},
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returnedObject: function() {
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var
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$firstModules = $allModules.slice(0, elementIndex),
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$lastModules = $allModules.slice(elementIndex + 1)
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;
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// adjust all modules to use correct reference
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$allModules = $firstModules.add($module).add($lastModules);
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}
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},
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refresh: function() {
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module.refreshSelectors();
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module.refreshData();
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},
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refreshSelectors: function() {
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module.verbose('Refreshing selector cache');
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$text = $module.find(selector.text);
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$search = $module.find(selector.search);
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$input = $module.find(selector.input);
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$icon = $module.find(selector.icon);
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$combo = ($module.prev().find(selector.text).length > 0)
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? $module.prev().find(selector.text)
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: $module.prev()
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;
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$menu = $module.children(selector.menu);
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$item = $menu.find(selector.item);
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},
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refreshData: function() {
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module.verbose('Refreshing cached metadata');
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$item
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.removeData(metadata.text)
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.removeData(metadata.value)
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;
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$module
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.removeData(metadata.defaultText)
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.removeData(metadata.defaultValue)
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.removeData(metadata.placeholderText)
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;
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},
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toggle: function() {
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module.verbose('Toggling menu visibility');
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if( !module.is.active() ) {
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module.show();
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}
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else {
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module.hide();
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}
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},
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show: function(callback) {
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callback = $.isFunction(callback)
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? callback
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: function(){}
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;
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if( module.can.show() && !module.is.active() ) {
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module.debug('Showing dropdown');
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if(module.is.multiple()) {
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if(!module.has.search() && module.is.allFiltered()) {
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return true;
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}
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}
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module.animate.show(function() {
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if( module.can.click() ) {
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module.bind.intent();
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}
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module.set.visible();
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callback.call(element);
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});
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settings.onShow.call(element);
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}
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},
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hide: function(callback) {
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callback = $.isFunction(callback)
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? callback
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: function(){}
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;
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if( module.is.active() ) {
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module.debug('Hiding dropdown');
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module.animate.hide(function() {
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module.remove.visible();
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callback.call(element);
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});
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settings.onHide.call(element);
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}
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},
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hideOthers: function() {
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module.verbose('Finding other dropdowns to hide');
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$allModules
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.not($module)
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.has(selector.menu + '.' + className.visible)
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.dropdown('hide')
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;
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},
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hideMenu: function() {
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module.verbose('Hiding menu instantaneously');
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module.remove.active();
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module.remove.visible();
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$menu.transition('hide');
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},
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hideSubMenus: function() {
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var
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$subMenus = $menu.children(selector.item).find(selector.menu)
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;
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module.verbose('Hiding sub menus', $subMenus);
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$subMenus.transition('hide');
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},
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bind: {
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keyboardEvents: function() {
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module.debug('Binding keyboard events');
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$module
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.on('keydown' + eventNamespace, module.event.keydown)
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;
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if( module.has.search() ) {
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$module
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.on(module.get.inputEvent() + eventNamespace, selector.search, module.event.input)
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;
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}
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if( module.is.multiple() ) {
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$document
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.on('keydown' + elementNamespace, module.event.document.keydown)
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;
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}
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},
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touchEvents: function() {
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module.debug('Touch device detected binding additional touch events');
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if( module.is.searchSelection() ) {
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// do nothing special yet
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}
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else {
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$module
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.on('touchstart' + eventNamespace, module.event.test.toggle)
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;
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}
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$menu
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.on('touchstart' + eventNamespace, selector.item, module.event.item.mouseenter)
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;
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},
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mouseEvents: function() {
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module.debug('Mouse detected binding mouse events');
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if(module.is.multiple()) {
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$module
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.on('click' + eventNamespace, selector.label, module.event.label.click)
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.on('click' + eventNamespace, selector.remove, module.event.remove.click)
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;
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}
|
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if( module.is.searchSelection() ) {
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$module
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.on('mousedown' + eventNamespace, selector.menu, module.event.menu.mousedown)
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.on('mouseup' + eventNamespace, selector.menu, module.event.menu.mouseup)
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.on('click' + eventNamespace, selector.search, module.show)
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.on('focus' + eventNamespace, selector.search, module.event.search.focus)
|
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.on('blur' + eventNamespace, selector.search, module.event.search.blur)
|
|
.on('click' + eventNamespace, selector.text, module.event.text.focus)
|
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;
|
|
if(module.is.multiple()) {
|
|
$module
|
|
.on('click' + eventNamespace, module.event.click)
|
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;
|
|
}
|
|
}
|
|
else {
|
|
if(settings.on == 'click') {
|
|
$module
|
|
.on('click' + eventNamespace, module.event.test.toggle)
|
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;
|
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}
|
|
else if(settings.on == 'hover') {
|
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$module
|
|
.on('mouseenter' + eventNamespace, module.delay.show)
|
|
.on('mouseleave' + eventNamespace, module.delay.hide)
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;
|
|
}
|
|
else {
|
|
$module
|
|
.on(settings.on + eventNamespace, module.toggle)
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|
;
|
|
}
|
|
$module
|
|
.on('mousedown' + eventNamespace, module.event.mousedown)
|
|
.on('mouseup' + eventNamespace, module.event.mouseup)
|
|
.on('focus' + eventNamespace, module.event.focus)
|
|
.on('blur' + eventNamespace, module.event.blur)
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|
;
|
|
}
|
|
$menu
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|
.on('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('click' + elementNamespace, module.event.test.hide)
|
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;
|
|
}
|
|
},
|
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|
|
unbind: {
|
|
intent: function() {
|
|
module.verbose('Removing hide intent event from document');
|
|
if(hasTouch) {
|
|
$document
|
|
.off('touchstart' + elementNamespace)
|
|
.off('touchmove' + elementNamespace)
|
|
;
|
|
}
|
|
$document
|
|
.off('click' + elementNamespace)
|
|
;
|
|
}
|
|
},
|
|
|
|
filter: function(query) {
|
|
var
|
|
searchTerm = (query !== undefined)
|
|
? query
|
|
: module.get.query(),
|
|
afterFiltered = function() {
|
|
if(module.is.multiple()) {
|
|
module.filterActive();
|
|
}
|
|
module.select.firstUnfiltered();
|
|
if( module.has.allResultsFiltered() ) {
|
|
if( settings.onNoResults.call(element, searchTerm) ) {
|
|
if(!settings.allowAdditions) {
|
|
module.verbose('All items filtered, showing message', searchTerm);
|
|
module.add.message(message.noResults);
|
|
}
|
|
}
|
|
else {
|
|
module.verbose('All items filtered, hiding dropdown', searchTerm);
|
|
module.hideMenu();
|
|
}
|
|
}
|
|
else {
|
|
module.remove.message();
|
|
}
|
|
if(settings.allowAdditions) {
|
|
module.add.userSuggestion(query);
|
|
}
|
|
if(module.is.searchSelection() && module.can.show() && module.is.focusedOnSearch() ) {
|
|
module.show();
|
|
}
|
|
}
|
|
;
|
|
if(module.has.maxSelections()) {
|
|
return;
|
|
}
|
|
if(settings.apiSettings) {
|
|
if( module.can.useAPI() ) {
|
|
module.queryRemote(searchTerm, function() {
|
|
afterFiltered();
|
|
});
|
|
}
|
|
else {
|
|
module.error(error.noAPI);
|
|
}
|
|
}
|
|
else {
|
|
module.filterItems(searchTerm);
|
|
afterFiltered();
|
|
}
|
|
},
|
|
|
|
queryRemote: function(query, callback) {
|
|
var
|
|
apiSettings = {
|
|
errorDuration : false,
|
|
throttle : settings.throttle,
|
|
cache : 'local',
|
|
urlData : {
|
|
query: query
|
|
},
|
|
onError: function() {
|
|
module.add.message(message.serverError);
|
|
callback();
|
|
},
|
|
onFailure: function() {
|
|
module.add.message(message.serverError);
|
|
callback();
|
|
},
|
|
onSuccess : function(response) {
|
|
module.remove.message();
|
|
module.setup.menu({
|
|
values: response.results
|
|
});
|
|
callback();
|
|
}
|
|
}
|
|
;
|
|
if( !$module.api('get request') ) {
|
|
module.setup.api();
|
|
}
|
|
apiSettings = $.extend(true, {}, apiSettings, settings.apiSettings);
|
|
$module
|
|
.api('setting', apiSettings)
|
|
.api('query')
|
|
;
|
|
},
|
|
|
|
filterItems: function(query) {
|
|
var
|
|
searchTerm = (query !== undefined)
|
|
? query
|
|
: module.get.query(),
|
|
$results = $(),
|
|
escapedTerm = module.escape.regExp(searchTerm),
|
|
beginsWithRegExp = new RegExp('^' + escapedTerm, 'igm')
|
|
;
|
|
// avoid loop if we're matching nothing
|
|
if(searchTerm === '') {
|
|
$results = $item;
|
|
}
|
|
else {
|
|
module.verbose('Searching for matching values', searchTerm);
|
|
$item
|
|
.each(function(){
|
|
var
|
|
$choice = $(this),
|
|
text,
|
|
value
|
|
;
|
|
if(settings.match == 'both' || settings.match == 'text') {
|
|
text = String(module.get.choiceText($choice, false));
|
|
if(text.search(beginsWithRegExp) !== -1) {
|
|
$results = $results.add($choice);
|
|
return true;
|
|
}
|
|
else if(settings.fullTextSearch && module.fuzzySearch(searchTerm, text)) {
|
|
$results = $results.add($choice);
|
|
return true;
|
|
}
|
|
}
|
|
if(settings.match == 'both' || settings.match == 'value') {
|
|
value = String(module.get.choiceValue($choice, text));
|
|
|
|
if(value.search(beginsWithRegExp) !== -1) {
|
|
$results = $results.add($choice);
|
|
return true;
|
|
}
|
|
else if(settings.fullTextSearch && module.fuzzySearch(searchTerm, value)) {
|
|
$results = $results.add($choice);
|
|
return true;
|
|
}
|
|
}
|
|
})
|
|
;
|
|
}
|
|
|
|
module.debug('Showing only matched items', searchTerm);
|
|
module.remove.filteredItem();
|
|
$item
|
|
.not($results)
|
|
.addClass(className.filtered)
|
|
;
|
|
},
|
|
|
|
fuzzySearch: function(query, term) {
|
|
var
|
|
termLength = term.length,
|
|
queryLength = query.length
|
|
;
|
|
query = query.toLowerCase();
|
|
term = term.toLowerCase();
|
|
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;
|
|
},
|
|
|
|
filterActive: function() {
|
|
if(settings.useLabels) {
|
|
$item.filter('.' + className.active)
|
|
.addClass(className.filtered)
|
|
;
|
|
}
|
|
},
|
|
|
|
focusSearch: function() {
|
|
if( module.is.search() && !module.is.focusedOnSearch() ) {
|
|
$search[0].focus();
|
|
}
|
|
},
|
|
|
|
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.size() > 0)
|
|
;
|
|
if(hasSelected) {
|
|
module.debug('Forcing partial selection to selected item', $selectedItem);
|
|
module.event.item.click.call($selectedItem);
|
|
}
|
|
else {
|
|
module.hide();
|
|
}
|
|
},
|
|
|
|
event: {
|
|
focus: function() {
|
|
if(settings.showOnFocus && !activated && module.is.hidden() && !pageLostFocus) {
|
|
module.show();
|
|
}
|
|
},
|
|
click: function(event) {
|
|
var
|
|
$target = $(event.target)
|
|
;
|
|
// focus search
|
|
if(($target.is($module) || $target.is($icon)) && !module.is.focusedOnSearch()) {
|
|
module.focusSearch();
|
|
}
|
|
},
|
|
blur: function(event) {
|
|
pageLostFocus = (document.activeElement === this);
|
|
if(!activated && !pageLostFocus) {
|
|
module.remove.activeLabel();
|
|
module.hide();
|
|
}
|
|
},
|
|
// prevents focus callback from occuring on mousedown
|
|
mousedown: function() {
|
|
activated = true;
|
|
},
|
|
mouseup: function() {
|
|
activated = false;
|
|
},
|
|
search: {
|
|
focus: function() {
|
|
activated = true;
|
|
if(module.is.multiple()) {
|
|
module.remove.activeLabel();
|
|
}
|
|
if(settings.showOnFocus) {
|
|
module.show();
|
|
}
|
|
},
|
|
blur: function(event) {
|
|
pageLostFocus = (document.activeElement === this);
|
|
if(!itemActivated && !pageLostFocus) {
|
|
if(module.is.multiple()) {
|
|
module.remove.activeLabel();
|
|
module.hide();
|
|
}
|
|
else if(settings.forceSelection) {
|
|
module.forceSelection();
|
|
}
|
|
else {
|
|
module.hide();
|
|
}
|
|
}
|
|
}
|
|
},
|
|
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.determine.eventOnElement(event, toggleBehavior) ) {
|
|
event.preventDefault();
|
|
}
|
|
},
|
|
touch: function(event) {
|
|
module.determine.eventOnElement(event, function() {
|
|
if(event.type == 'touchstart') {
|
|
module.timer = setTimeout(module.hide, settings.delay.touch);
|
|
}
|
|
else if(event.type == 'touchmove') {
|
|
clearTimeout(module.timer);
|
|
}
|
|
});
|
|
event.stopPropagation();
|
|
},
|
|
hide: function(event) {
|
|
module.determine.eventInModule(event, module.hide);
|
|
}
|
|
},
|
|
menu: {
|
|
mousedown: function() {
|
|
itemActivated = true;
|
|
},
|
|
mouseup: function() {
|
|
itemActivated = false;
|
|
}
|
|
},
|
|
item: {
|
|
mouseenter: function(event) {
|
|
var
|
|
$subMenu = $(this).children(selector.menu),
|
|
$otherMenus = $(this).siblings(selector.item).children(selector.menu)
|
|
;
|
|
if( $subMenu.length > 0 ) {
|
|
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) {
|
|
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)
|
|
;
|
|
if(!isBubbledEvent && (!hasSubMenu || settings.allowCategorySelection)) {
|
|
if(!settings.useLabels) {
|
|
module.remove.searchTerm();
|
|
}
|
|
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,
|
|
keys = module.get.shortcutKeys(),
|
|
isShortcutKey = module.is.inObject(pressedKey, keys)
|
|
;
|
|
if(isShortcutKey) {
|
|
var
|
|
$label = $module.find(selector.label),
|
|
$activeLabel = $label.filter('.' + className.active),
|
|
activeValue = $activeLabel.data('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() === 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 && !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,
|
|
keys = module.get.shortcutKeys(),
|
|
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 +')').andSelf()
|
|
: $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 = ($selectedItem.length > 0),
|
|
selectedIsVisible = ($selectedItem.not(selector.unselectable).length > 0),
|
|
$nextItem,
|
|
isSubMenuItem,
|
|
newIndex
|
|
;
|
|
|
|
// visible menu keyboard shortcuts
|
|
if( module.is.visible() ) {
|
|
|
|
// enter (select or open sub-menu)
|
|
if(pressedKey == keys.enter || pressedKey == keys.delimiter) {
|
|
|
|
if(pressedKey == keys.enter && hasSelectedItem && hasSubMenu && !settings.allowCategorySelection) {
|
|
module.verbose('Pressed enter on unselectable category, opening sub menu');
|
|
pressedKey = keys.rightArrow;
|
|
}
|
|
else if(selectedIsVisible) {
|
|
module.verbose('Selecting item from keyboard shortcut', $selectedItem);
|
|
module.event.item.click.call($selectedItem, event);
|
|
if(settings.useLabels && module.is.searchSelection()) {
|
|
module.hideAndClear();
|
|
}
|
|
else {
|
|
module.remove.searchTerm();
|
|
}
|
|
}
|
|
event.preventDefault();
|
|
}
|
|
|
|
// left arrow (hide sub-menu)
|
|
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)
|
|
;
|
|
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)
|
|
;
|
|
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)
|
|
;
|
|
$nextItem
|
|
.addClass(className.selected)
|
|
;
|
|
module.set.scrollPosition($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)
|
|
;
|
|
$nextItem
|
|
.addClass(className.selected)
|
|
;
|
|
module.set.scrollPosition($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(pressedKey == keys.delimiter) {
|
|
event.preventDefault();
|
|
}
|
|
// down arrow (open menu)
|
|
if(pressedKey == keys.downArrow) {
|
|
module.verbose('Down key pressed, showing dropdown');
|
|
module.show();
|
|
event.preventDefault();
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
if( module.is.selection() && !module.is.search() ) {
|
|
module.set.selectedLetter( String.fromCharCode(pressedKey) );
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
determine: {
|
|
selectAction: function(text, value) {
|
|
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(this, text, value);
|
|
}
|
|
else if( $.isFunction(settings.action) ) {
|
|
module.verbose('Triggering user action', settings.action, text, value);
|
|
settings.action.call(this, text, value);
|
|
}
|
|
else {
|
|
module.error(error.action, settings.action);
|
|
}
|
|
},
|
|
eventInModule: function(event, callback) {
|
|
callback = $.isFunction(callback)
|
|
? callback
|
|
: function(){}
|
|
;
|
|
if( $(event.target).closest($module).length === 0 ) {
|
|
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)
|
|
;
|
|
callback = $.isFunction(callback)
|
|
? callback
|
|
: function(){}
|
|
;
|
|
if($target.closest($menu).length === 0) {
|
|
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) {
|
|
value = (value !== undefined)
|
|
? value
|
|
: text
|
|
;
|
|
module.set.selected(value, $(this));
|
|
if(module.is.multiple() && !module.is.allFiltered()) {
|
|
return;
|
|
}
|
|
else {
|
|
module.hideAndClear();
|
|
}
|
|
},
|
|
|
|
select: function(text, value) {
|
|
// mimics action.activate but does not select text
|
|
module.action.activate.call(this);
|
|
},
|
|
|
|
combo: function(text, value) {
|
|
value = (value !== undefined)
|
|
? value
|
|
: text
|
|
;
|
|
module.set.selected(value, $(this));
|
|
module.hideAndClear();
|
|
},
|
|
|
|
hide: function() {
|
|
module.hideAndClear();
|
|
}
|
|
|
|
},
|
|
|
|
get: {
|
|
id: function() {
|
|
return id;
|
|
},
|
|
text: function() {
|
|
return $text.text();
|
|
},
|
|
query: function() {
|
|
return $.trim($search.val());
|
|
},
|
|
searchWidth: function(characterCount) {
|
|
return (characterCount * settings.glyphWidth) + 'em';
|
|
},
|
|
selectionCount: function() {
|
|
var
|
|
values = module.get.values()
|
|
;
|
|
return ( module.is.multiple() )
|
|
? $.isArray(values)
|
|
? values.length
|
|
: 0
|
|
: (module.get.value() !== '')
|
|
? 1
|
|
: 0
|
|
;
|
|
},
|
|
transition: function($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 = $.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() {
|
|
var
|
|
input = $search.get(0),
|
|
range,
|
|
rangeLength
|
|
;
|
|
if('selectionStart' in input) {
|
|
return input.selectionStart;
|
|
}
|
|
else if (document.selection) {
|
|
input.focus();
|
|
range = document.selection.createRange();
|
|
rangeLength = range.text.length;
|
|
range.moveStart('character', -input.value.length);
|
|
return range.text.length - rangeLength;
|
|
}
|
|
},
|
|
shortcutKeys: function() {
|
|
return {
|
|
backspace : 8,
|
|
delimiter : 188, // comma
|
|
deleteKey : 46,
|
|
enter : 13,
|
|
escape : 27,
|
|
pageUp : 33,
|
|
pageDown : 34,
|
|
leftArrow : 37,
|
|
upArrow : 38,
|
|
rightArrow : 39,
|
|
downArrow : 40
|
|
};
|
|
},
|
|
value: function() {
|
|
return ($input.length > 0)
|
|
? $input.val()
|
|
: $module.data(metadata.value)
|
|
;
|
|
},
|
|
values: function() {
|
|
var
|
|
value = module.get.value()
|
|
;
|
|
if(value === '') {
|
|
return '';
|
|
}
|
|
return (!$input.is('select') && module.is.multiple())
|
|
? typeof value == 'string'
|
|
? value.split(settings.delimiter)
|
|
: ''
|
|
: value
|
|
;
|
|
},
|
|
remoteValues: function() {
|
|
var
|
|
values = module.get.values(),
|
|
remoteValues = false
|
|
;
|
|
if(values) {
|
|
if(typeof values == 'string') {
|
|
values = [values];
|
|
}
|
|
remoteValues = {};
|
|
$.each(values, function(index, value) {
|
|
var
|
|
name = module.read.remoteData(value)
|
|
;
|
|
module.verbose('Restoring value from session data', name, value);
|
|
remoteValues[value] = (name)
|
|
? name
|
|
: value
|
|
;
|
|
});
|
|
}
|
|
return remoteValues;
|
|
},
|
|
choiceText: function($choice, preserveHTML) {
|
|
preserveHTML = (preserveHTML !== undefined)
|
|
? preserveHTML
|
|
: settings.preserveHTML
|
|
;
|
|
if($choice) {
|
|
if($choice.find(selector.menu).length > 0) {
|
|
module.verbose('Retreiving 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)
|
|
? $choice.data(metadata.value)
|
|
: (typeof choiceText === 'string')
|
|
? choiceText.toLowerCase().trim()
|
|
: 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 = {}
|
|
;
|
|
select.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
|
|
;
|
|
if(settings.placeholder === 'auto' && value === '') {
|
|
select.placeholder = name;
|
|
}
|
|
else {
|
|
select.values.push({
|
|
name : name,
|
|
value : value,
|
|
disabled : disabled
|
|
});
|
|
}
|
|
})
|
|
;
|
|
if(settings.placeholder && settings.placeholder !== 'auto') {
|
|
module.debug('Setting placeholder value to', settings.placeholder);
|
|
select.placeholder = settings.placeholder;
|
|
}
|
|
if(settings.sortSelect) {
|
|
select.values.sort(function(a, b) {
|
|
return (a.name > b.name)
|
|
? 1
|
|
: -1
|
|
;
|
|
});
|
|
module.debug('Retrieved and sorted values from select', select);
|
|
}
|
|
else {
|
|
module.debug('Retreived 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()
|
|
;
|
|
shouldSearch = (isMultiple)
|
|
? (value.length > 0)
|
|
: (value !== undefined && value !== '' && value !== null)
|
|
;
|
|
isMultiple = (module.is.multiple() && $.isArray(value));
|
|
strict = (value === '' || value === 0)
|
|
? 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(optionValue.toString(), value) !== -1 || $.inArray(optionText, value) !== -1) {
|
|
$selectedItem = ($selectedItem)
|
|
? $selectedItem.add($choice)
|
|
: $choice
|
|
;
|
|
}
|
|
}
|
|
else if(strict) {
|
|
module.verbose('Ambiguous dropdown value using strict type check', $choice, value);
|
|
if( optionValue === value || optionText === value) {
|
|
$selectedItem = $choice;
|
|
return true;
|
|
}
|
|
}
|
|
else {
|
|
if( optionValue.toString() == value.toString() || optionText == 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');
|
|
$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;
|
|
}
|
|
},
|
|
|
|
restore: {
|
|
defaults: function() {
|
|
module.restore.defaultText();
|
|
module.restore.defaultValue();
|
|
},
|
|
defaultText: function() {
|
|
var
|
|
defaultText = $module.data(metadata.defaultText)
|
|
;
|
|
module.debug('Restoring default text', defaultText);
|
|
module.set.text(defaultText);
|
|
$text.addClass(className.placeholder);
|
|
},
|
|
defaultValue: function() {
|
|
var
|
|
defaultValue = $module.data(metadata.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 occuring on initial load
|
|
module.set.initialLoad();
|
|
if(settings.apiSettings) {
|
|
if(settings.saveRemoteData) {
|
|
module.restore.remoteValues();
|
|
}
|
|
else {
|
|
module.clearValue();
|
|
}
|
|
}
|
|
else {
|
|
module.set.selected();
|
|
}
|
|
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);
|
|
$module.data(metadata.defaultText, text);
|
|
},
|
|
placeholderText: function() {
|
|
var
|
|
text
|
|
;
|
|
if($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() {
|
|
if(module.is.multiple()) {
|
|
module.remove.labels();
|
|
}
|
|
else {
|
|
module.remove.activeItem();
|
|
module.remove.selectedItem();
|
|
}
|
|
module.set.placeholderText();
|
|
module.clearValue();
|
|
},
|
|
|
|
clearValue: function() {
|
|
module.set.value('');
|
|
},
|
|
|
|
scrollPage: function(direction, $selectedItem) {
|
|
var
|
|
$selectedItem = $selectedItem || module.get.selectedItem(),
|
|
$menu = $selectedItem.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')
|
|
? $selectableItem.index($selectedItem) - itemsPerPage
|
|
: $selectableItem.index($selectedItem) + 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);
|
|
$selectedItem
|
|
.removeClass(className.selected)
|
|
;
|
|
$nextSelectedItem
|
|
.addClass(className.selected)
|
|
;
|
|
$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(searchValue.length),
|
|
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);
|
|
}
|
|
},
|
|
loading: function() {
|
|
$module.addClass(className.loading);
|
|
},
|
|
placeholderText: function(text) {
|
|
text = text || $module.data(metadata.placeholderText);
|
|
if(text) {
|
|
module.debug('Restoring placeholder text');
|
|
module.set.text(text);
|
|
$text.addClass(className.placeholder);
|
|
}
|
|
},
|
|
tabbable: function() {
|
|
if( module.has.search() ) {
|
|
module.debug('Added tabindex to searchable dropdown');
|
|
$search
|
|
.val('')
|
|
.attr('tabindex', 0)
|
|
;
|
|
$menu
|
|
.attr('tabindex', -1)
|
|
;
|
|
}
|
|
else {
|
|
module.debug('Added tabindex to dropdown');
|
|
if(!$module.attr('tabindex') ) {
|
|
$module
|
|
.attr('tabindex', 0)
|
|
;
|
|
$menu
|
|
.attr('tabindex', -1)
|
|
;
|
|
}
|
|
}
|
|
},
|
|
initialLoad: function() {
|
|
module.verbose('Setting initial load');
|
|
initialLoad = true;
|
|
},
|
|
scrollPosition: function($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 && $item.length > 0);
|
|
forceScroll = (forceScroll !== undefined)
|
|
? forceScroll
|
|
: false
|
|
;
|
|
if($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 !== 'select') {
|
|
if(settings.action == 'combo') {
|
|
module.debug('Changing combo button text', text, $combo);
|
|
if(settings.preserveHTML) {
|
|
$combo.html(text);
|
|
}
|
|
else {
|
|
$combo.text(text);
|
|
}
|
|
}
|
|
else {
|
|
module.debug('Changing text', text, $text);
|
|
$text
|
|
.removeClass(className.filtered)
|
|
.removeClass(className.placeholder)
|
|
;
|
|
if(settings.preserveHTML) {
|
|
$text.html(text);
|
|
}
|
|
else {
|
|
$text.text(text);
|
|
}
|
|
}
|
|
}
|
|
},
|
|
selectedLetter: function(letter) {
|
|
var
|
|
$selectedItem = $item.filter('.' + className.selected),
|
|
$nextValue = false
|
|
;
|
|
$item
|
|
.each(function(){
|
|
var
|
|
$choice = $(this),
|
|
text = module.get.choiceText($choice, false),
|
|
firstLetter = String(text).charAt(0).toLowerCase(),
|
|
matchedLetter = letter.toLowerCase()
|
|
;
|
|
if(firstLetter == matchedLetter) {
|
|
$nextValue = $choice;
|
|
return false;
|
|
}
|
|
})
|
|
;
|
|
if($nextValue) {
|
|
module.verbose('Scrolling to next value with letter', letter);
|
|
module.set.scrollPosition($nextValue);
|
|
$selectedItem.removeClass(className.selected);
|
|
$nextValue.addClass(className.selected);
|
|
}
|
|
},
|
|
direction: function($menu) {
|
|
if(settings.direction == 'auto') {
|
|
if(module.is.onScreen($menu)) {
|
|
module.remove.upward($menu);
|
|
}
|
|
else {
|
|
module.set.upward($menu);
|
|
}
|
|
}
|
|
else if(settings.direction == 'upward') {
|
|
module.set.upward($menu);
|
|
}
|
|
},
|
|
upward: function($menu) {
|
|
var $element = $menu || $module;
|
|
$element.addClass(className.upward);
|
|
},
|
|
value: function(value, text, $selected) {
|
|
var
|
|
hasInput = ($input.length > 0),
|
|
isAddition = !module.has.value(value),
|
|
currentValue = module.get.values(),
|
|
stringValue = (typeof value == 'number')
|
|
? value.toString()
|
|
: value,
|
|
newValue
|
|
;
|
|
if(hasInput) {
|
|
if(stringValue == currentValue) {
|
|
module.verbose('Skipping value update already same value', value, currentValue);
|
|
if(!module.is.initialLoad()) {
|
|
return;
|
|
}
|
|
}
|
|
module.debug('Updating input value', value, currentValue);
|
|
$input
|
|
.val(value)
|
|
.trigger('change')
|
|
;
|
|
}
|
|
else {
|
|
module.verbose('Storing value in metadata', value, $input);
|
|
if(value !== currentValue) {
|
|
$module.data(metadata.value, value);
|
|
}
|
|
}
|
|
if(settings.fireOnInit === false && module.is.initialLoad()) {
|
|
module.verbose('No callback on initial load', settings.onChange);
|
|
}
|
|
else {
|
|
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);
|
|
},
|
|
selected: function(value, $selectedItem) {
|
|
var
|
|
isMultiple = module.is.multiple(),
|
|
$userSelectedItem
|
|
;
|
|
$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.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.value(selectedValue, selectedText, $selected);
|
|
module.add.label(selectedValue, selectedText, shouldAnimate);
|
|
$selected.addClass(className.active);
|
|
module.filterActive();
|
|
module.select.nextAvailable($selectedItem);
|
|
}
|
|
else {
|
|
module.add.value(selectedValue, selectedText, $selected);
|
|
module.set.text(module.add.variables(message.count));
|
|
$selected.addClass(className.active);
|
|
}
|
|
}
|
|
else if(!isFiltered) {
|
|
module.debug('Selected active value, removing label');
|
|
module.remove.selected(selectedValue);
|
|
}
|
|
}
|
|
else {
|
|
if(settings.apiSettings && settings.saveRemoteData) {
|
|
module.save.remoteData(selectedText, selectedValue);
|
|
}
|
|
module.set.value(selectedValue, selectedText, $selected);
|
|
module.set.text(selectedText);
|
|
$selected
|
|
.addClass(className.active)
|
|
.addClass(className.selected)
|
|
;
|
|
}
|
|
})
|
|
;
|
|
}
|
|
},
|
|
|
|
add: {
|
|
label: function(value, text, shouldAnimate) {
|
|
var
|
|
$next = module.is.searchSelection()
|
|
? $search
|
|
: $text,
|
|
$label
|
|
;
|
|
$label = $('<a />')
|
|
.addClass(className.label)
|
|
.attr('data-value', value)
|
|
.html(templates.label(value, text))
|
|
;
|
|
$label = settings.onLabelCreate.call($label, value, text);
|
|
|
|
if(module.has.label(value)) {
|
|
module.debug('Label already exists, skipping', value);
|
|
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(settings.label.transition, 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
|
|
$option = $input.find('option[value="' + value + '"]'),
|
|
hasOption = ($option.length > 0)
|
|
;
|
|
if(hasOption) {
|
|
return;
|
|
}
|
|
// temporarily disconnect observer
|
|
if(selectObserver) {
|
|
selectObserver.disconnect();
|
|
module.verbose('Temporarily disconnecting mutation observer', value);
|
|
}
|
|
$('<option/>')
|
|
.prop('value', value)
|
|
.html(value)
|
|
.appendTo($input)
|
|
;
|
|
module.verbose('Adding user addition as an <option>', value);
|
|
if(selectObserver) {
|
|
selectObserver.observe($input[0], {
|
|
childList : true,
|
|
subtree : true
|
|
});
|
|
}
|
|
},
|
|
userSuggestion: function(value) {
|
|
var
|
|
$addition = $menu.children(selector.addition),
|
|
alreadyHasValue = module.get.item(value),
|
|
hasUserSuggestion = $addition.length > 0,
|
|
html
|
|
;
|
|
if(module.has.maxSelections()) {
|
|
return;
|
|
}
|
|
if(value === '' || alreadyHasValue) {
|
|
$addition.remove();
|
|
return;
|
|
}
|
|
$item
|
|
.removeClass(className.selected)
|
|
;
|
|
if(hasUserSuggestion) {
|
|
html = settings.templates.addition(value);
|
|
$addition
|
|
.html(html)
|
|
.data(metadata.value, value)
|
|
.removeClass(className.filtered)
|
|
.addClass(className.selected)
|
|
;
|
|
module.verbose('Replacing user suggestion with new value', $addition);
|
|
}
|
|
else {
|
|
$addition = module.create.userChoice(value);
|
|
$addition
|
|
.prependTo($menu)
|
|
.addClass(className.selected)
|
|
;
|
|
module.verbose('Adding item choice to menu corresponding with user choice addition', $addition);
|
|
}
|
|
},
|
|
variables: function(message) {
|
|
var
|
|
hasCount = (message.search('{count}') !== -1),
|
|
hasMaxCount = (message.search('{maxCount}') !== -1),
|
|
hasTerm = (message.search('{term}') !== -1),
|
|
values,
|
|
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 = module.get.query();
|
|
message = message.replace('{term}', query);
|
|
}
|
|
return message;
|
|
},
|
|
value: function(addedValue, addedText, $selectedItem) {
|
|
var
|
|
currentValue = module.get.values(),
|
|
newValue
|
|
;
|
|
if(addedValue === '') {
|
|
module.debug('Cannot select blank values from multiselect');
|
|
return;
|
|
}
|
|
// extend currently array
|
|
if($.isArray(currentValue)) {
|
|
newValue = currentValue.concat([addedValue]);
|
|
newValue = module.get.uniqueArray(newValue);
|
|
}
|
|
else {
|
|
newValue = [addedValue];
|
|
}
|
|
// add values
|
|
if( $input.is('select')) {
|
|
if(settings.allowAdditions) {
|
|
module.add.optionValue(addedValue);
|
|
module.debug('Adding value to select', addedValue, newValue, $input);
|
|
}
|
|
}
|
|
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('No callback on initial load', settings.onAdd);
|
|
}
|
|
else {
|
|
settings.onAdd.call(element, addedValue, addedText, $selectedItem);
|
|
}
|
|
module.set.value(newValue, addedValue, addedText, $selectedItem);
|
|
module.check.maxSelections();
|
|
}
|
|
},
|
|
|
|
remove: {
|
|
active: function() {
|
|
$module.removeClass(className.active);
|
|
},
|
|
activeLabel: function() {
|
|
$module.find(selector.label).removeClass(className.active);
|
|
},
|
|
loading: function() {
|
|
$module.removeClass(className.loading);
|
|
},
|
|
initialLoad: function() {
|
|
initialLoad = false;
|
|
},
|
|
upward: function($menu) {
|
|
var $element = $menu || $module;
|
|
$element.removeClass(className.upward);
|
|
},
|
|
visible: function() {
|
|
$module.removeClass(className.visible);
|
|
},
|
|
activeItem: function() {
|
|
$item.removeClass(className.active);
|
|
},
|
|
filteredItem: function() {
|
|
if( module.has.maxSelections() ) {
|
|
return;
|
|
}
|
|
if(settings.useLabels) {
|
|
$item.not('.' + className.active).removeClass(className.filtered);
|
|
}
|
|
else {
|
|
$item.removeClass(className.filtered);
|
|
}
|
|
},
|
|
message: function() {
|
|
$menu.children(selector.message).remove();
|
|
},
|
|
searchTerm: function() {
|
|
module.verbose('Cleared search term');
|
|
$search.val('');
|
|
module.set.filtered();
|
|
},
|
|
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);
|
|
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 = $input.val(),
|
|
newValue
|
|
;
|
|
if( $input.is('select') ) {
|
|
module.verbose('Input is <select> removing selected option', removedValue);
|
|
newValue = module.remove.arrayValue(removedValue, values);
|
|
}
|
|
else {
|
|
module.verbose('Removing from delimited values', removedValue);
|
|
values = values.split(settings.delimiter);
|
|
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) {
|
|
values = $.grep(values, function(value){
|
|
return (removedValue != value);
|
|
});
|
|
module.verbose('Removed value from delimited string', removedValue, values);
|
|
return values;
|
|
},
|
|
label: function(value) {
|
|
var
|
|
$labels = $module.find(selector.label),
|
|
$removedLabel = $labels.filter('[data-value="' + value +'"]'),
|
|
labelCount = $labels.length,
|
|
isLastLabel = ($labels.index($removedLabel) + 1 == labelCount),
|
|
shouldAnimate = ( (!module.is.searchSelection() || !module.is.focusedOnSearch()) && isLastLabel)
|
|
;
|
|
if(shouldAnimate) {
|
|
module.verbose('Animating and removing label', $removedLabel);
|
|
$removedLabel
|
|
.transition(settings.label.transition, settings.label.duration, function() {
|
|
$removedLabel.remove();
|
|
})
|
|
;
|
|
}
|
|
else {
|
|
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
|
|
value = $(this).data('value'),
|
|
isUserValue = module.is.userValue(value)
|
|
;
|
|
if(isUserValue) {
|
|
module.remove.value(value);
|
|
module.remove.label(value);
|
|
}
|
|
else {
|
|
// selected will also remove label
|
|
module.remove.selected(value);
|
|
}
|
|
})
|
|
;
|
|
},
|
|
tabbable: function() {
|
|
if( module.has.search() ) {
|
|
module.debug('Searchable dropdown initialized');
|
|
$search
|
|
.attr('tabindex', '-1')
|
|
;
|
|
$menu
|
|
.attr('tabindex', '-1')
|
|
;
|
|
}
|
|
else {
|
|
module.debug('Simple selection dropdown initialized');
|
|
$module
|
|
.attr('tabindex', '-1')
|
|
;
|
|
$menu
|
|
.attr('tabindex', '-1')
|
|
;
|
|
}
|
|
}
|
|
},
|
|
|
|
has: {
|
|
search: function() {
|
|
return ($search.length > 0);
|
|
},
|
|
input: function() {
|
|
return ($input.length > 0);
|
|
},
|
|
menu: function() {
|
|
return ($menu.length > 0);
|
|
},
|
|
message: function() {
|
|
return ($menu.children(selector.message).length !== 0);
|
|
},
|
|
label: function(value) {
|
|
var
|
|
$labels = $module.find(selector.label)
|
|
;
|
|
return ($labels.filter('[data-value="' + value +'"]').length > 0);
|
|
},
|
|
maxSelections: function() {
|
|
return (settings.maxSelections && module.get.selectionCount() >= settings.maxSelections);
|
|
},
|
|
allResultsFiltered: function() {
|
|
return ($item.filter(selector.unselectable).length === $item.length);
|
|
},
|
|
value: function(value) {
|
|
var
|
|
values = module.get.values(),
|
|
hasValue = $.isArray(values)
|
|
? values && ($.inArray(value, values) !== -1)
|
|
: (values == value)
|
|
;
|
|
return (hasValue)
|
|
? true
|
|
: false
|
|
;
|
|
}
|
|
},
|
|
|
|
is: {
|
|
active: function() {
|
|
return $module.hasClass(className.active);
|
|
},
|
|
alreadySetup: function() {
|
|
return ($module.is('select') && $module.parent(selector.dropdown).length > 0 && $module.prev().length === 0);
|
|
},
|
|
animating: function($subMenu) {
|
|
return ($subMenu)
|
|
? $subMenu.transition && $subMenu.transition('is animating')
|
|
: $menu.transition && $menu.transition('is animating')
|
|
;
|
|
},
|
|
focused: function() {
|
|
return (document.activeElement === $module[0]);
|
|
},
|
|
focusedOnSearch: function() {
|
|
return (document.activeElement === $search[0]);
|
|
},
|
|
allFiltered: function() {
|
|
return( (module.is.multiple() || module.has.search()) && !module.has.message() && module.has.allResultsFiltered() );
|
|
},
|
|
hidden: function($subMenu) {
|
|
return !module.is.visible($subMenu);
|
|
},
|
|
initialLoad: function() {
|
|
return initialLoad;
|
|
},
|
|
onScreen: function($subMenu) {
|
|
var
|
|
$currentMenu = $subMenu || $menu,
|
|
canOpenDownward = true,
|
|
onScreen = {},
|
|
calculations
|
|
;
|
|
$currentMenu.addClass(className.loading);
|
|
calculations = {
|
|
context: {
|
|
scrollTop : $context.scrollTop(),
|
|
height : $context.outerHeight()
|
|
},
|
|
menu : {
|
|
offset: $currentMenu.offset(),
|
|
height: $currentMenu.outerHeight()
|
|
}
|
|
};
|
|
onScreen = {
|
|
above : (calculations.context.scrollTop) <= calculations.menu.offset.top - calculations.menu.height,
|
|
below : (calculations.context.scrollTop + calculations.context.height) >= calculations.menu.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;
|
|
},
|
|
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);
|
|
},
|
|
single: function() {
|
|
return !module.is.multiple();
|
|
},
|
|
selectMutation: function(mutations) {
|
|
var
|
|
selectChanged = false
|
|
;
|
|
$.each(mutations, function(index, mutation) {
|
|
if(mutation.target && $(mutation.target).is('select')) {
|
|
selectChanged = true;
|
|
return true;
|
|
}
|
|
});
|
|
return selectChanged;
|
|
},
|
|
search: function() {
|
|
return $module.hasClass(className.search);
|
|
},
|
|
searchSelection: function() {
|
|
return ( module.has.search() && $search.closest(selector.menu).length === 0 );
|
|
},
|
|
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)
|
|
: $menu.hasClass(className.visible)
|
|
;
|
|
}
|
|
},
|
|
|
|
can: {
|
|
click: function() {
|
|
return (hasTouch || settings.on == 'click');
|
|
},
|
|
show: function() {
|
|
return !$module.hasClass(className.disabled) && $item.length > 0;
|
|
},
|
|
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) ) {
|
|
if(transition == 'none') {
|
|
start();
|
|
$currentMenu.transition('show');
|
|
callback.call(element);
|
|
}
|
|
else if($.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,
|
|
onComplete : function() {
|
|
callback.call(element);
|
|
}
|
|
})
|
|
;
|
|
}
|
|
else {
|
|
module.error(error.noTransition, transition);
|
|
}
|
|
}
|
|
},
|
|
hide: function(callback, $subMenu) {
|
|
var
|
|
$currentMenu = $subMenu || $menu,
|
|
duration = ($subMenu)
|
|
? (settings.duration * 0.9)
|
|
: settings.duration,
|
|
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')) {
|
|
$currentMenu
|
|
.transition({
|
|
animation : transition + ' out',
|
|
duration : settings.duration,
|
|
debug : settings.debug,
|
|
verbose : settings.verbose,
|
|
queue : true,
|
|
onStart : start,
|
|
onComplete : function() {
|
|
if(settings.direction == 'auto') {
|
|
module.remove.upward($subMenu);
|
|
}
|
|
callback.call(element);
|
|
}
|
|
})
|
|
;
|
|
}
|
|
else {
|
|
module.error(error.transition);
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
hideAndClear: function() {
|
|
if(module.has.search()) {
|
|
module.remove.searchTerm();
|
|
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: {
|
|
regExp: function(text) {
|
|
text = String(text);
|
|
return text.replace(regExp.escape, '\\$&');
|
|
}
|
|
},
|
|
|
|
setting: function(name, value) {
|
|
module.debug('Changing setting', name, value);
|
|
if( $.isPlainObject(name) ) {
|
|
$.extend(true, settings, name);
|
|
}
|
|
else if(value !== undefined) {
|
|
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.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.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() {
|
|
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 ( $.isFunction( found ) ) {
|
|
response = found.apply(context, passedArguments);
|
|
}
|
|
else if(found !== undefined) {
|
|
response = found;
|
|
}
|
|
if($.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 = {
|
|
|
|
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(){})
|
|
|
|
|
|
apiSettings : false,
|
|
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
|
|
|
|
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
|
|
|
|
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 delmited with this character
|
|
|
|
showOnFocus : true, // show menu on focus
|
|
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 : 1.0714, // widest glyph width in em (W is 1.0714 em) used to calculate multiselect input width
|
|
|
|
// 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); },
|
|
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.',
|
|
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>'
|
|
},
|
|
|
|
regExp : {
|
|
escape : /[-[\]{}()*+?.,\\^$|#\s]/g,
|
|
},
|
|
|
|
metadata : {
|
|
defaultText : 'defaultText',
|
|
defaultValue : 'defaultValue',
|
|
placeholderText : 'placeholder',
|
|
text : 'text',
|
|
value : 'value'
|
|
},
|
|
|
|
selector : {
|
|
addition : '.addition',
|
|
dropdown : '.ui.dropdown',
|
|
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',
|
|
text : '> .text:not(.icon)',
|
|
unselectable : '.disabled, .filtered'
|
|
},
|
|
|
|
className : {
|
|
active : 'active',
|
|
addition : 'addition',
|
|
animating : 'animating',
|
|
disabled : 'disabled',
|
|
dropdown : 'ui dropdown',
|
|
filtered : 'filtered',
|
|
hidden : 'hidden transition',
|
|
item : 'item',
|
|
label : 'ui label',
|
|
loading : 'loading',
|
|
menu : 'menu',
|
|
message : 'message',
|
|
multiple : 'multiple',
|
|
placeholder : 'default',
|
|
search : 'search',
|
|
selected : 'selected',
|
|
selection : 'selection',
|
|
upward : 'upward',
|
|
visible : 'visible'
|
|
}
|
|
|
|
};
|
|
|
|
/* Templates */
|
|
$.fn.dropdown.settings.templates = {
|
|
|
|
// generates dropdown from select values
|
|
dropdown: function(select) {
|
|
var
|
|
placeholder = select.placeholder || false,
|
|
values = select.values || {},
|
|
html = ''
|
|
;
|
|
html += '<i class="dropdown icon"></i>';
|
|
if(select.placeholder) {
|
|
html += '<div class="default text">' + placeholder + '</div>';
|
|
}
|
|
else {
|
|
html += '<div class="text"></div>';
|
|
}
|
|
html += '<div class="menu">';
|
|
$.each(select.values, function(index, option) {
|
|
html += (option.disabled)
|
|
? '<div class="disabled item" data-value="' + option.value + '">' + option.name + '</div>'
|
|
: '<div class="item" data-value="' + option.value + '">' + option.name + '</div>'
|
|
;
|
|
});
|
|
html += '</div>';
|
|
return html;
|
|
},
|
|
|
|
// generates just menu from select
|
|
menu: function(response) {
|
|
var
|
|
values = response.values || {},
|
|
html = ''
|
|
;
|
|
$.each(response.values, function(index, option) {
|
|
html += '<div class="item" data-value="' + option.value + '">' + option.name + '</div>';
|
|
});
|
|
return html;
|
|
},
|
|
|
|
// generates label for multiselect
|
|
label: function(value, text) {
|
|
return text + '<i class="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 );
|