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1496 lines
47 KiB
1496 lines
47 KiB
/*
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* # Semantic - 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 2014 Contributor
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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() {
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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({}, $.fn.dropdown.settings),
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className = settings.className,
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metadata = settings.metadata,
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namespace = settings.namespace,
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selector = settings.selector,
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error = settings.error,
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eventNamespace = '.' + namespace,
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moduleNamespace = 'module-' + namespace,
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$module = $(this),
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$text = $module.find(selector.text),
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$search = $module.find(selector.search),
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$input = $module.find(selector.input),
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$combo = ($module.prev().find(selector.text).size() > 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 = $module.data(moduleNamespace),
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observer,
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module
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;
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module = {
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initialize: function() {
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module.debug('Initializing dropdown', settings);
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module.setup.layout();
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module.save.defaults();
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module.set.selected();
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if(hasTouch) {
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module.bind.touchEvents();
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}
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module.bind.mouseEvents();
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module.bind.keyboardEvents();
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module.observeChanges();
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module.instantiate();
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},
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instantiate: function() {
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module.verbose('Storing instance of dropdown', module);
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instance = module;
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$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 for', $module);
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module.remove.tabbable();
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$module
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.off(eventNamespace)
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.removeData(moduleNamespace)
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;
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},
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observeChanges: function() {
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if('MutationObserver' in window) {
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observer = new MutationObserver(function(mutations) {
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module.debug('DOM tree modified, updating selector cache');
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module.refresh();
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});
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observer.observe(element, {
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childList : true,
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subtree : true
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});
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module.debug('Setting up mutation observer', observer);
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}
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},
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setup: {
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layout: function() {
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if( $module.is('select') ) {
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module.setup.select();
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}
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if( module.is.search() && !module.is.searchable() ) {
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$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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},
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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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// see if select exists inside a dropdown
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$input = $module;
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if($input.parents(selector.dropdown).size() > 0) {
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module.debug('Creating dropdown menu only from template');
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$module = $input.closest(selector.dropdown);
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if($module.find('.' + className.dropdown).size() === 0) {
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$('<div />')
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.addClass(className.menu)
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.html( settings.templates.menu( selectValues ))
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.appendTo($module)
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;
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}
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}
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else {
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module.debug('Creating entire dropdown from template');
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$module = $('<div />')
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.attr('class', $input.attr('class') )
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.addClass(className.selection)
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.addClass(className.dropdown)
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.html( settings.templates.dropdown(selectValues) )
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.insertBefore($input)
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;
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$input
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.removeAttr('class')
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.prependTo($module)
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;
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}
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module.refresh();
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}
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},
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refresh: function() {
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$text = $module.find(selector.text);
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$search = $module.find(selector.search);
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$input = $module.find(selector.input);
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$menu = $module.children(selector.menu);
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$item = $menu.find(selector.item);
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},
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toggle: function() {
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module.verbose('Toggling menu visibility');
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if( !module.is.active() ) {
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module.show();
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}
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else {
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module.hide();
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}
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},
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show: function() {
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module.debug('Checking if dropdown can show');
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if( !module.is.active() ) {
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module.animate.show(function() {
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if( module.can.click() ) {
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module.bind.intent();
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}
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module.set.visible();
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});
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$.proxy(settings.onShow, element)();
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}
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},
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hide: function() {
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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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});
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$.proxy(settings.onHide, element)();
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}
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},
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hideOthers: function() {
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module.verbose('Finding other dropdowns to hide');
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$allModules
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.not($module)
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.has(selector.menu + ':visible:not(.' + className.animating + ')')
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.dropdown('hide')
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;
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},
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hideSubMenus: function() {
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var
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$subMenus = $menu.find(selector.menu),
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$activeSubMenu = $subMenus.has(selector.item + '.' + className.active)
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;
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$subMenus
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.not($activeSubMenu)
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.removeClass(className.visible)
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.removeAttr('style')
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;
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},
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bind: {
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keyboardEvents: function() {
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module.debug('Binding keyboard events');
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$module
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.on('keydown' + eventNamespace, module.event.keydown)
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;
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if( module.is.searchable() ) {
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$module
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.on(module.get.inputEvent(), selector.search, module.event.input)
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;
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}
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},
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touchEvents: function() {
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module.debug('Touch device detected binding additional touch events');
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if( module.is.searchSelection() ) {
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// do nothing special yet
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}
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else {
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$module
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.on('touchstart' + eventNamespace, module.event.test.toggle)
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;
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}
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$menu
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.on('touchstart' + eventNamespace, selector.item, module.event.item.mouseenter)
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;
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},
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mouseEvents: function() {
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module.verbose('Mouse detected binding mouse events');
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if( module.is.searchSelection() ) {
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$module
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.on('mousedown' + eventNamespace, selector.menu, module.event.menu.activate)
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.on('mouseup' + eventNamespace, selector.menu, module.event.menu.deactivate)
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.on('focus' + eventNamespace, selector.search, module.event.searchFocus)
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.on('click' + eventNamespace, selector.search, module.show)
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.on('blur' + eventNamespace, selector.search, module.event.searchBlur)
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;
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}
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else {
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if(settings.on == 'click') {
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$module
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.on('click' + eventNamespace, module.event.test.toggle)
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;
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}
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else if(settings.on == 'hover') {
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$module
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.on('mouseenter' + eventNamespace, module.delay.show)
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.on('mouseleave' + eventNamespace, module.delay.hide)
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;
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}
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else {
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$module
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.on(settings.on + eventNamespace, module.toggle)
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;
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}
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$module
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.on('mousedown' + eventNamespace, module.event.mousedown)
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.on('mouseup' + eventNamespace, module.event.mouseup)
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.on('focus' + eventNamespace, module.event.focus)
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.on('blur' + eventNamespace, module.event.blur)
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;
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}
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$menu
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.on('mouseenter' + eventNamespace, selector.item, module.event.item.mouseenter)
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.on('mouseleave' + eventNamespace, selector.item, module.event.item.mouseleave)
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.on('click' + eventNamespace, selector.item, module.event.item.click)
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;
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},
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intent: function() {
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module.verbose('Binding hide intent event to document');
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if(hasTouch) {
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$document
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.on('touchstart' + eventNamespace, module.event.test.touch)
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.on('touchmove' + eventNamespace, module.event.test.touch)
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;
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}
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$document
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.on('click' + eventNamespace, module.event.test.hide)
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;
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}
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},
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unbind: {
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intent: function() {
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module.verbose('Removing hide intent event from document');
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if(hasTouch) {
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$document
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.off('touchstart' + eventNamespace)
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.off('touchmove' + eventNamespace)
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;
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}
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$document
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.off('click' + eventNamespace)
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;
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}
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},
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filter: function(searchTerm) {
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var
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$results = $(),
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exactRegExp = new RegExp('(?:\s|^)' + searchTerm, 'i'),
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fullTextRegExp = new RegExp(searchTerm, 'i'),
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allItemsFiltered,
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$filteredItems
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;
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$item
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.each(function(){
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var
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$choice = $(this),
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text = ( $choice.data(metadata.text) !== undefined )
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? $choice.data(metadata.text)
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: (settings.preserveHTML)
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? $choice.html()
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: $choice.text(),
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value = ( $choice.data(metadata.value) !== undefined)
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? $choice.data(metadata.value)
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: (typeof text === 'string')
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? text.toLowerCase()
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: text
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;
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if( exactRegExp.test( text ) || exactRegExp.test( value ) ) {
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$results = $results.add($choice);
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}
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else if(settings.fullTextSearch) {
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if( fullTextRegExp.test( text ) || fullTextRegExp.test( value ) ) {
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$results = $results.add($choice);
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}
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}
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})
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;
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$filteredItems = $item.not($results);
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allItemsFiltered = ($filteredItems.size() == $item.size());
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module.remove.filteredItem();
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module.remove.selectedItem();
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$filteredItems
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.addClass(className.filtered)
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;
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$item
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.not('.' + className.filtered)
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.eq(0)
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.addClass(className.selected)
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;
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if(allItemsFiltered) {
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module.hide();
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}
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},
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focusSearch: function() {
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if( module.is.search() ) {
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$search
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.focus()
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;
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}
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},
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event: {
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// prevents focus callback from occuring on mousedown
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mousedown: function() {
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activated = true;
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},
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mouseup: function() {
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activated = false;
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},
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focus: function() {
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if(!activated && module.is.hidden()) {
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module.show();
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}
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},
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blur: function(event) {
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if(!activated) {
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module.hide();
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}
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},
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searchFocus: function() {
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activated = true;
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module.show();
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},
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searchBlur: function(event) {
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if(!itemActivated) {
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module.hide();
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}
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},
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input: function(event) {
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var
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query = $search.val()
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;
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if(module.is.searchSelection()) {
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if( module.can.show() ) {
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module.show();
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}
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module.set.filtered();
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}
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module.filter(query);
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},
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keydown: function(event) {
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var
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$selectedItem = $item.not(className.filtered).filter('.' + className.selected).eq(0),
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$visibleItems = $item.not('.' + className.filtered),
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pressedKey = event.which,
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keys = {
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enter : 13,
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escape : 27,
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upArrow : 38,
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downArrow : 40
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},
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selectedClass = className.selected,
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currentIndex = $visibleItems.index( $selectedItem ),
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hasSelectedItem = ($selectedItem.size() > 0),
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$nextItem,
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newIndex
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;
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// default to activated choice if no selection present
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if(!hasSelectedItem) {
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$selectedItem = $item.filter('.' + className.active).eq(0);
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hasSelectedItem = ($selectedItem.size() > 0);
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}
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// close shortcuts
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if(pressedKey == keys.escape) {
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module.verbose('Escape key pressed, closing dropdown');
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module.hide();
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}
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// result shortcuts
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if(module.is.visible()) {
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if(pressedKey == keys.enter && hasSelectedItem) {
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module.verbose('Enter key pressed, choosing selected item');
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$.proxy(module.event.item.click, $selectedItem)(event);
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event.preventDefault();
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return false;
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}
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else if(pressedKey == keys.upArrow) {
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if(!hasSelectedItem) {
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$nextItem = $visibleItems.eq(0);
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}
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else {
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$nextItem = $selectedItem.prevAll(selector.item + ':not(.' + className.filtered + ')').eq(0);
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}
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if(currentIndex !== 0) {
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module.verbose('Up key pressed, changing active item');
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$item
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.removeClass(selectedClass)
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;
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$nextItem
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.addClass(selectedClass)
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;
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module.set.scrollPosition($nextItem);
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}
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event.preventDefault();
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}
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else if(pressedKey == keys.downArrow) {
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if(!hasSelectedItem) {
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$nextItem = $visibleItems.eq(0);
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}
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else {
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$nextItem = $selectedItem.nextAll(selector.item + ':not(.' + className.filtered + ')').eq(0);
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}
|
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if(currentIndex + 1 < $visibleItems.size() ) {
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module.verbose('Down key pressed, changing active item');
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$item
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.removeClass(selectedClass)
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;
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$nextItem
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.addClass(selectedClass)
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;
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module.set.scrollPosition($nextItem);
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}
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event.preventDefault();
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}
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}
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else {
|
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if(pressedKey == keys.enter) {
|
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module.show();
|
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}
|
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}
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},
|
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test: {
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toggle: function(event) {
|
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if( module.determine.eventInMenu(event, module.toggle) ) {
|
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event.preventDefault();
|
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}
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},
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touch: function(event) {
|
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module.determine.eventInMenu(event, function() {
|
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if(event.type == 'touchstart') {
|
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module.timer = setTimeout(module.hide, settings.delay.touch);
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}
|
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else if(event.type == 'touchmove') {
|
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clearTimeout(module.timer);
|
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}
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});
|
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event.stopPropagation();
|
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},
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hide: function(event) {
|
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module.determine.eventInModule(event, module.hide);
|
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}
|
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},
|
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|
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menu: {
|
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activate: function() {
|
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itemActivated = true;
|
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},
|
|
deactivate: function() {
|
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itemActivated = false;
|
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}
|
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},
|
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item: {
|
|
mouseenter: function(event) {
|
|
var
|
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$currentMenu = $(this).find(selector.menu),
|
|
$otherMenus = $(this).siblings(selector.item).children(selector.menu)
|
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;
|
|
if( $currentMenu.size() > 0 ) {
|
|
clearTimeout(module.itemTimer);
|
|
module.itemTimer = setTimeout(function() {
|
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module.animate.hide(false, $otherMenus);
|
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module.verbose('Showing sub-menu', $currentMenu);
|
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module.animate.show(false, $currentMenu);
|
|
}, settings.delay.show * 2);
|
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event.preventDefault();
|
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}
|
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},
|
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|
|
mouseleave: function(event) {
|
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var
|
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$currentMenu = $(this).find(selector.menu)
|
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;
|
|
if($currentMenu.size() > 0) {
|
|
clearTimeout(module.itemTimer);
|
|
module.itemTimer = setTimeout(function() {
|
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module.verbose('Hiding sub-menu', $currentMenu);
|
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module.animate.hide(false, $currentMenu);
|
|
}, settings.delay.hide);
|
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}
|
|
},
|
|
|
|
click: function (event) {
|
|
var
|
|
$choice = $(this),
|
|
text = ( $choice.data(metadata.text) !== undefined )
|
|
? $choice.data(metadata.text)
|
|
: (settings.preserveHTML)
|
|
? $choice.html()
|
|
: $choice.text(),
|
|
value = ( $choice.data(metadata.value) !== undefined)
|
|
? $choice.data(metadata.value)
|
|
: (typeof text === 'string')
|
|
? text.toLowerCase()
|
|
: text,
|
|
callback = function() {
|
|
module.remove.searchTerm();
|
|
module.remove.filteredItem();
|
|
module.determine.selectAction(text, value);
|
|
$.proxy(settings.onChange, element)(value, text, $choice);
|
|
},
|
|
openingSubMenu = ($choice.find(selector.menu).size() > 0)
|
|
;
|
|
if( !openingSubMenu ) {
|
|
callback();
|
|
}
|
|
}
|
|
|
|
},
|
|
|
|
resetStyle: function() {
|
|
$(this).removeAttr('style');
|
|
}
|
|
|
|
},
|
|
|
|
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 ](text, value);
|
|
}
|
|
else if( $.isFunction(settings.action) ) {
|
|
module.verbose('Triggering user action', settings.action, text, value);
|
|
settings.action(text, value);
|
|
}
|
|
else {
|
|
module.error(error.action, settings.action);
|
|
}
|
|
},
|
|
eventInModule: function(event, callback) {
|
|
callback = callback || function(){};
|
|
if( $(event.target).closest($module).size() === 0 ) {
|
|
module.verbose('Triggering event', callback);
|
|
callback();
|
|
return true;
|
|
}
|
|
else {
|
|
module.verbose('Event occurred in dropdown, canceling callback');
|
|
return false;
|
|
}
|
|
},
|
|
eventInMenu: function(event, callback) {
|
|
callback = callback || function(){};
|
|
if( $(event.target).closest($menu).size() === 0 ) {
|
|
module.verbose('Triggering event', callback);
|
|
callback();
|
|
return true;
|
|
}
|
|
else {
|
|
module.verbose('Event occurred in dropdown menu, canceling callback');
|
|
return false;
|
|
}
|
|
}
|
|
},
|
|
|
|
action: {
|
|
|
|
nothing: function() {},
|
|
|
|
hide: function() {
|
|
module.hide();
|
|
},
|
|
|
|
select: function(text, value) {
|
|
value = (value !== undefined)
|
|
? value
|
|
: text
|
|
;
|
|
module.set.selected(value);
|
|
module.set.value(value);
|
|
module.hide();
|
|
},
|
|
|
|
activate: function(text, value) {
|
|
value = (value !== undefined)
|
|
? value
|
|
: text
|
|
;
|
|
module.set.selected(value);
|
|
module.set.value(value);
|
|
module.hide();
|
|
},
|
|
|
|
combo: function(text, value) {
|
|
value = (value !== undefined)
|
|
? value
|
|
: text
|
|
;
|
|
module.set.selected(value);
|
|
module.set.value(value);
|
|
module.hide();
|
|
}
|
|
|
|
},
|
|
|
|
get: {
|
|
text: function() {
|
|
return $text.text();
|
|
},
|
|
value: function() {
|
|
return ($input.size() > 0)
|
|
? $input.val()
|
|
: $module.data(metadata.value)
|
|
;
|
|
},
|
|
inputEvent: function() {
|
|
var
|
|
input = $search[0]
|
|
;
|
|
if(input) {
|
|
return (input.oninput !== undefined)
|
|
? 'input'
|
|
: (input.onpropertychange !== undefined)
|
|
? 'propertychange'
|
|
: 'keyup'
|
|
;
|
|
}
|
|
return false;
|
|
},
|
|
selectValues: function() {
|
|
var
|
|
select = {
|
|
values : {}
|
|
}
|
|
;
|
|
$module
|
|
.find('option')
|
|
.each(function() {
|
|
var
|
|
name = $(this).html(),
|
|
value = ( $(this).attr('value') !== undefined )
|
|
? $(this).attr('value')
|
|
: name
|
|
;
|
|
if(value === '') {
|
|
select.placeholder = name;
|
|
}
|
|
else {
|
|
select.values[value] = name;
|
|
}
|
|
})
|
|
;
|
|
module.debug('Retrieved values from select', select);
|
|
return select;
|
|
},
|
|
item: function(value, strict) {
|
|
var
|
|
$selectedItem = false
|
|
;
|
|
value = (value !== undefined)
|
|
? value
|
|
: ( module.get.value() !== undefined)
|
|
? module.get.value()
|
|
: module.get.text()
|
|
;
|
|
strict = (value === '' || value === 0)
|
|
? true
|
|
: strict || false
|
|
;
|
|
if(value !== undefined) {
|
|
$item
|
|
.each(function() {
|
|
var
|
|
$choice = $(this),
|
|
optionText = ( $choice.data(metadata.text) !== undefined )
|
|
? $choice.data(metadata.text)
|
|
: (settings.preserveHTML)
|
|
? $choice.html()
|
|
: $choice.text(),
|
|
optionValue = ( $choice.data(metadata.value) !== undefined )
|
|
? $choice.data(metadata.value)
|
|
: (typeof optionText === 'string')
|
|
? optionText.toLowerCase()
|
|
: optionText
|
|
;
|
|
if(strict) {
|
|
module.verbose('Ambiguous dropdown value using strict type check', $choice, value);
|
|
if( optionValue === value ) {
|
|
$selectedItem = $(this);
|
|
}
|
|
else if( !$selectedItem && optionText === value ) {
|
|
$selectedItem = $(this);
|
|
}
|
|
}
|
|
else {
|
|
if( optionValue == value ) {
|
|
module.verbose('Found select item by value', optionValue, value);
|
|
$selectedItem = $(this);
|
|
}
|
|
else if( !$selectedItem && optionText == value ) {
|
|
module.verbose('Found select item by text', optionText, value);
|
|
$selectedItem = $(this);
|
|
}
|
|
}
|
|
})
|
|
;
|
|
}
|
|
else {
|
|
value = module.get.text();
|
|
}
|
|
return $selectedItem || false;
|
|
}
|
|
},
|
|
|
|
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);
|
|
},
|
|
defaultValue: function() {
|
|
var
|
|
defaultValue = $module.data(metadata.defaultValue)
|
|
;
|
|
if(defaultValue !== undefined) {
|
|
module.debug('Restoring default value', defaultValue);
|
|
module.set.selected(defaultValue);
|
|
module.set.value(defaultValue);
|
|
}
|
|
}
|
|
},
|
|
|
|
save: {
|
|
defaults: function() {
|
|
module.save.defaultText();
|
|
module.save.defaultValue();
|
|
},
|
|
defaultValue: function() {
|
|
$module.data(metadata.defaultValue, module.get.value() );
|
|
},
|
|
defaultText: function() {
|
|
$module.data(metadata.defaultText, $text.text() );
|
|
}
|
|
},
|
|
|
|
set: {
|
|
filtered: function() {
|
|
$text.addClass(className.filtered);
|
|
},
|
|
tabbable: function() {
|
|
if( module.is.searchable() ) {
|
|
module.debug('Searchable dropdown initialized');
|
|
$search
|
|
.val('')
|
|
.attr('tabindex', 0)
|
|
;
|
|
$menu
|
|
.attr('tabindex', '-1')
|
|
;
|
|
}
|
|
else {
|
|
module.debug('Simple selection dropdown initialized');
|
|
if(!$module.attr('tabindex') ) {
|
|
$module
|
|
.attr('tabindex', 0)
|
|
;
|
|
$menu
|
|
.attr('tabindex', '-1')
|
|
;
|
|
}
|
|
}
|
|
},
|
|
scrollPosition: function($item) {
|
|
var
|
|
$item = $item || module.get.item(),
|
|
hasActive = ($item && $item.size() > 0),
|
|
edgeTolerance = 5,
|
|
offset,
|
|
itemHeight,
|
|
itemOffset,
|
|
menuOffset,
|
|
menuScroll,
|
|
menuHeight,
|
|
abovePage,
|
|
belowPage
|
|
;
|
|
if($item && hasActive) {
|
|
menuHeight = $menu.height();
|
|
itemHeight = $item.height();
|
|
menuScroll = $menu.scrollTop();
|
|
menuOffset = $menu.offset().top;
|
|
itemOffset = $item.offset().top;
|
|
offset = menuScroll - menuOffset + itemOffset;
|
|
belowPage = menuScroll + menuHeight < (offset + edgeTolerance);
|
|
abovePage = ((offset - edgeTolerance) < menuScroll);
|
|
if(abovePage || belowPage) {
|
|
module.debug('Scrolling to active item');
|
|
$menu
|
|
.scrollTop(offset)
|
|
;
|
|
}
|
|
}
|
|
},
|
|
text: function(text) {
|
|
if(settings.action == 'combo') {
|
|
module.debug('Changing combo button text', text, $combo);
|
|
if(settings.preserveHTML) {
|
|
$combo.html(text);
|
|
}
|
|
else {
|
|
$combo.text(text);
|
|
}
|
|
}
|
|
else if(settings.action !== 'select') {
|
|
module.debug('Changing text', text, $text);
|
|
$text
|
|
.removeClass(className.filtered)
|
|
.removeClass(className.placeholder)
|
|
;
|
|
if(settings.preserveHTML) {
|
|
$text.html(text);
|
|
}
|
|
else {
|
|
$text.text(text);
|
|
}
|
|
}
|
|
},
|
|
value: function(value) {
|
|
module.debug('Adding selected value to hidden input', value, $input);
|
|
if($input.size() > 0) {
|
|
$input
|
|
.val(value)
|
|
.trigger('change')
|
|
;
|
|
}
|
|
else {
|
|
$module.data(metadata.value, value);
|
|
}
|
|
},
|
|
active: function() {
|
|
$module
|
|
.addClass(className.active)
|
|
;
|
|
},
|
|
visible: function() {
|
|
$module.addClass(className.visible);
|
|
},
|
|
selected: function(value) {
|
|
var
|
|
$selectedItem = module.get.item(value),
|
|
selectedText
|
|
;
|
|
if($selectedItem) {
|
|
module.debug('Setting selected menu item to', $selectedItem);
|
|
selectedText = ($selectedItem.data(metadata.text) !== undefined)
|
|
? $selectedItem.data(metadata.text)
|
|
: (settings.preserveHTML)
|
|
? $selectedItem.html()
|
|
: $selectedItem.text()
|
|
;
|
|
module.remove.activeItem();
|
|
module.remove.selectedItem();
|
|
$selectedItem
|
|
.addClass(className.active)
|
|
.addClass(className.selected)
|
|
;
|
|
module.set.text(selectedText);
|
|
}
|
|
}
|
|
},
|
|
|
|
remove: {
|
|
active: function() {
|
|
$module.removeClass(className.active);
|
|
},
|
|
visible: function() {
|
|
$module.removeClass(className.visible);
|
|
},
|
|
activeItem: function() {
|
|
$item.removeClass(className.active);
|
|
},
|
|
filteredItem: function() {
|
|
$item.removeClass(className.filtered);
|
|
},
|
|
searchTerm: function() {
|
|
$search.val('');
|
|
},
|
|
selectedItem: function() {
|
|
$item.removeClass(className.selected);
|
|
},
|
|
tabbable: function() {
|
|
if( module.is.searchable() ) {
|
|
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')
|
|
;
|
|
}
|
|
}
|
|
},
|
|
|
|
is: {
|
|
search: function() {
|
|
return $module.hasClass(className.search);
|
|
},
|
|
searchable: function() {
|
|
return ($search.size() > 0);
|
|
},
|
|
searchSelection: function() {
|
|
return ( module.is.searchable() && $search.parent().is($module) );
|
|
},
|
|
selection: function() {
|
|
return $module.hasClass(className.selection);
|
|
},
|
|
animated: function($subMenu) {
|
|
return ($subMenu)
|
|
? $subMenu.is(':animated') || $subMenu.transition && $subMenu.transition('is animating')
|
|
: $menu.is(':animated') || $menu.transition && $menu.transition('is animating')
|
|
;
|
|
},
|
|
active: function() {
|
|
return $module.hasClass(className.active);
|
|
},
|
|
visible: function($subMenu) {
|
|
return ($subMenu)
|
|
? $subMenu.is(':visible')
|
|
: $menu.is(':visible')
|
|
;
|
|
},
|
|
hidden: function($subMenu) {
|
|
return ($subMenu)
|
|
? $subMenu.is(':hidden')
|
|
: $menu.is(':hidden')
|
|
;
|
|
}
|
|
},
|
|
|
|
can: {
|
|
click: function() {
|
|
return (hasTouch || settings.on == 'click');
|
|
},
|
|
show: function() {
|
|
return !$module.hasClass(className.disabled);
|
|
}
|
|
},
|
|
|
|
animate: {
|
|
show: function(callback, $subMenu) {
|
|
var
|
|
$currentMenu = $subMenu || $menu,
|
|
start = ($subMenu)
|
|
? function() {}
|
|
: function() {
|
|
module.hideOthers();
|
|
module.set.active();
|
|
module.set.scrollPosition();
|
|
}
|
|
;
|
|
callback = callback || function(){};
|
|
module.verbose('Doing menu show animation', $currentMenu);
|
|
if( module.is.hidden($currentMenu) ) {
|
|
if(settings.transition == 'none') {
|
|
$.proxy(callback, element)();
|
|
}
|
|
else if($.fn.transition !== undefined && $module.transition('is supported')) {
|
|
$currentMenu
|
|
.transition({
|
|
animation : settings.transition + ' in',
|
|
debug : settings.debug,
|
|
verbose : settings.verbose,
|
|
duration : settings.duration,
|
|
queue : true,
|
|
onStart : start,
|
|
onComplete : function() {
|
|
$.proxy(callback, element)();
|
|
}
|
|
})
|
|
;
|
|
}
|
|
else if(settings.transition == 'slide down') {
|
|
start();
|
|
$currentMenu
|
|
.hide()
|
|
.clearQueue()
|
|
.children()
|
|
.clearQueue()
|
|
.css('opacity', 0)
|
|
.delay(50)
|
|
.animate({
|
|
opacity : 1
|
|
}, settings.duration, 'easeOutQuad', module.event.resetStyle)
|
|
.end()
|
|
.slideDown(100, 'easeOutQuad', function() {
|
|
$.proxy(module.event.resetStyle, this)();
|
|
$.proxy(callback, element)();
|
|
})
|
|
;
|
|
}
|
|
else if(settings.transition == 'fade') {
|
|
start();
|
|
$currentMenu
|
|
.hide()
|
|
.clearQueue()
|
|
.fadeIn(settings.duration, function() {
|
|
$.proxy(module.event.resetStyle, this)();
|
|
$.proxy(callback, element)();
|
|
})
|
|
;
|
|
}
|
|
else {
|
|
module.error(error.transition, settings.transition);
|
|
}
|
|
}
|
|
},
|
|
hide: function(callback, $subMenu) {
|
|
var
|
|
$currentMenu = $subMenu || $menu,
|
|
start = ($subMenu)
|
|
? function() {}
|
|
: function() {
|
|
if( module.can.click() ) {
|
|
module.unbind.intent();
|
|
}
|
|
module.focusSearch();
|
|
module.hideSubMenus();
|
|
module.remove.active();
|
|
}
|
|
;
|
|
callback = callback || function(){};
|
|
if( module.is.visible($currentMenu) ) {
|
|
module.verbose('Doing menu hide animation', $currentMenu);
|
|
|
|
if(settings.transition == 'none') {
|
|
$.proxy(callback, element)();
|
|
}
|
|
else if($.fn.transition !== undefined && $module.transition('is supported')) {
|
|
$currentMenu
|
|
.transition({
|
|
animation : settings.transition + ' out',
|
|
duration : settings.duration,
|
|
debug : settings.debug,
|
|
verbose : settings.verbose,
|
|
queue : true,
|
|
onStart : start,
|
|
onComplete : function() {
|
|
$.proxy(callback, element)();
|
|
}
|
|
})
|
|
;
|
|
}
|
|
else if(settings.transition == 'slide down') {
|
|
start();
|
|
$currentMenu
|
|
.show()
|
|
.clearQueue()
|
|
.children()
|
|
.clearQueue()
|
|
.css('opacity', 1)
|
|
.animate({
|
|
opacity : 0
|
|
}, 100, 'easeOutQuad', module.event.resetStyle)
|
|
.end()
|
|
.delay(50)
|
|
.slideUp(100, 'easeOutQuad', function() {
|
|
$.proxy(module.event.resetStyle, this)();
|
|
$.proxy(callback, element)();
|
|
})
|
|
;
|
|
}
|
|
else if(settings.transition == 'fade') {
|
|
start();
|
|
$currentMenu
|
|
.show()
|
|
.clearQueue()
|
|
.fadeOut(150, function() {
|
|
$.proxy(module.event.resetStyle, this)();
|
|
$.proxy(callback, element)();
|
|
})
|
|
;
|
|
}
|
|
else {
|
|
module.error(error.transition);
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
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);
|
|
}
|
|
},
|
|
|
|
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, 100);
|
|
},
|
|
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) {
|
|
module.destroy();
|
|
}
|
|
module.initialize();
|
|
}
|
|
})
|
|
;
|
|
|
|
return (returnedValue !== undefined)
|
|
? returnedValue
|
|
: this
|
|
;
|
|
};
|
|
|
|
$.fn.dropdown.settings = {
|
|
|
|
debug : false,
|
|
verbose : true,
|
|
performance : true,
|
|
|
|
on : 'click',
|
|
action : 'activate',
|
|
|
|
allowTab : true,
|
|
fullTextSearch : true,
|
|
preserveHTML : true,
|
|
|
|
delay : {
|
|
show : 200,
|
|
hide : 300,
|
|
touch : 50
|
|
},
|
|
|
|
transition : 'slide down',
|
|
duration : 250,
|
|
|
|
/* Callbacks */
|
|
|
|
onChange : function(value, text){},
|
|
onShow : function(){},
|
|
onHide : function(){},
|
|
|
|
/* Component */
|
|
|
|
name : 'Dropdown',
|
|
namespace : 'dropdown',
|
|
|
|
error : {
|
|
action : 'You called a dropdown action that was not defined',
|
|
method : 'The method you called is not defined.',
|
|
transition : 'The requested transition was not found'
|
|
},
|
|
|
|
metadata: {
|
|
defaultText : 'defaultText',
|
|
defaultValue : 'defaultValue',
|
|
text : 'text',
|
|
value : 'value'
|
|
},
|
|
|
|
selector : {
|
|
dropdown : '.ui.dropdown',
|
|
text : '> .text:not(.icon)',
|
|
input : '> input[type="hidden"], > select',
|
|
search : '> input.search, .menu > .search > input, .menu > input.search',
|
|
menu : '.menu',
|
|
item : '.item'
|
|
},
|
|
|
|
className : {
|
|
active : 'active',
|
|
animating : 'animating',
|
|
disabled : 'disabled',
|
|
dropdown : 'ui dropdown',
|
|
filtered : 'filtered',
|
|
menu : 'menu',
|
|
placeholder : 'default',
|
|
search : 'search',
|
|
selected : 'selected',
|
|
selection : 'selection',
|
|
visible : 'visible'
|
|
}
|
|
|
|
};
|
|
|
|
/* Templates */
|
|
$.fn.dropdown.settings.templates = {
|
|
menu: function(select) {
|
|
var
|
|
placeholder = select.placeholder || false,
|
|
values = select.values || {},
|
|
html = ''
|
|
;
|
|
$.each(select.values, function(value, name) {
|
|
if(value === name) {
|
|
html += '<div class="item">' + name + '</div>';
|
|
}
|
|
else {
|
|
html += '<div class="item" data-value="' + value + '">' + name + '</div>';
|
|
}
|
|
});
|
|
return html;
|
|
},
|
|
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(value, name) {
|
|
if(value === name) {
|
|
html += '<div class="item">' + name + '</div>';
|
|
}
|
|
else {
|
|
html += '<div class="item" data-value="' + value + '">' + name + '</div>';
|
|
}
|
|
});
|
|
html += '</div>';
|
|
return html;
|
|
}
|
|
};
|
|
|
|
|
|
/* Dependencies */
|
|
$.extend( $.easing, {
|
|
easeOutQuad: function (x, t, b, c, d) {
|
|
return -c *(t/=d)*(t-2) + b;
|
|
},
|
|
});
|
|
|
|
|
|
})( jQuery, window , document );
|