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3955 lines
139 KiB
3955 lines
139 KiB
/*! |
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* # Semantic UI 2.4.1 - Dropdown |
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* http://github.com/semantic-org/semantic-ui/ |
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* |
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* |
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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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|
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;(function ($, window, document, undefined) { |
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|
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'use strict'; |
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|
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window = (typeof window != 'undefined' && window.Math == Math) |
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? window |
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: (typeof self != 'undefined' && self.Math == Math) |
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? self |
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: Function('return this')() |
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; |
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|
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$.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({}, $.fn.dropdown.settings), |
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className = settings.className, |
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message = settings.message, |
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fields = settings.fields, |
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keys = settings.keys, |
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metadata = settings.metadata, |
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namespace = settings.namespace, |
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regExp = settings.regExp, |
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selector = settings.selector, |
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error = settings.error, |
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templates = settings.templates, |
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eventNamespace = '.' + namespace, |
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moduleNamespace = 'module-' + namespace, |
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$module = $(this), |
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$context = $(settings.context), |
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$text = $module.find(selector.text), |
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$search = $module.find(selector.search), |
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$sizer = $module.find(selector.sizer), |
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$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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internalChange = 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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willRefocus, |
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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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if(settings.values) { |
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module.change.values(settings.values); |
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} |
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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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module.bind.events(); |
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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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module.disconnect.menuObserver(); |
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module.disconnect.selectObserver(); |
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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(module.event.select.mutation); |
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menuObserver = new MutationObserver(module.event.menu.mutation); |
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module.debug('Setting up mutation observer', selectObserver, menuObserver); |
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module.observe.select(); |
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module.observe.menu(); |
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} |
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}, |
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disconnect: { |
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menuObserver: function() { |
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if(menuObserver) { |
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menuObserver.disconnect(); |
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} |
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}, |
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selectObserver: function() { |
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if(selectObserver) { |
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selectObserver.disconnect(); |
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} |
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} |
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}, |
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observe: { |
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select: function() { |
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if(module.has.input()) { |
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selectObserver.observe($module[0], { |
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childList : true, |
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subtree : true |
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}); |
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} |
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}, |
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menu: function() { |
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if(module.has.menu()) { |
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menuObserver.observe($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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} |
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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( module.add.variables(message.addResult, value) ); |
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$userChoice = $('<div />') |
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.html(html) |
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.attr('data-' + metadata.value, value) |
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.attr('data-' + metadata.text, value) |
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.addClass(className.addition) |
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.addClass(className.item) |
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; |
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if(settings.hideAdditions) { |
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$userChoice.addClass(className.hidden); |
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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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menu: function() { |
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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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sizer: function() { |
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$sizer = $('<span />') |
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.addClass(className.sizer) |
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.insertAfter($search) |
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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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if(module.has.minCharacters(query)) { |
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module.filter(query); |
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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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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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$item |
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.not(selector.unselectable) |
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.not(selector.addition + selector.hidden) |
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.eq(0) |
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.addClass(className.selected) |
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; |
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}, |
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nextAvailable: function($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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urlData : { |
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value : module.get.value(), |
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query : module.get.query() |
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}, |
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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( $module.is('select') ) { |
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module.setup.select(); |
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module.setup.returnedObject(); |
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} |
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if( !module.has.menu() ) { |
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module.create.menu(); |
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} |
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if( module.is.search() && !module.has.search() ) { |
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module.verbose('Adding search input'); |
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$search = $('<input />') |
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.addClass(className.search) |
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.prop('autocomplete', 'off') |
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.insertBefore($text) |
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; |
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} |
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if( module.is.multiple() && module.is.searchSelection() && !module.has.sizer()) { |
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module.create.sizer(); |
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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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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 = $input.closest(selector.dropdown); |
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if( !module.has.menu() ) { |
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module.create.menu(); |
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} |
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$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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if($input.hasClass(className.multiple) && $input.prop('multiple') === false) { |
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module.error(error.missingMultiple); |
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$input.prop('multiple', true); |
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} |
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if($input.is('[multiple]')) { |
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module.set.multiple(); |
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} |
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if ($input.prop('disabled')) { |
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module.debug('Disabling dropdown'); |
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$module.addClass(className.disabled); |
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} |
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$input |
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.removeAttr('class') |
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.detach() |
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.prependTo($module) |
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; |
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} |
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module.refresh(); |
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}, |
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menu: function(values) { |
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$menu.html( templates.menu(values, fields)); |
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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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instance = $module.data(moduleNamespace); |
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element = $module.get(0); |
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module.refresh(); |
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module.setup.returnedObject(); |
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}, |
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returnedObject: function() { |
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var |
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$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($lastModules); |
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} |
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}, |
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|
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refresh: function() { |
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module.refreshSelectors(); |
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module.refreshData(); |
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}, |
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|
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refreshItems: function() { |
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$item = $menu.find(selector.item); |
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}, |
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|
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refreshSelectors: function() { |
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module.verbose('Refreshing selector cache'); |
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$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 = $menu.find(selector.item); |
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}, |
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|
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refreshData: function() { |
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module.verbose('Refreshing cached metadata'); |
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$item |
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.removeData(metadata.text) |
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.removeData(metadata.value) |
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; |
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}, |
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|
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clearData: function() { |
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module.verbose('Clearing 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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|
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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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|
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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.remote()) { |
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module.debug('No API results retrieved, searching before show'); |
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module.queryRemote(module.get.query(), module.show); |
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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.has.message() && !(module.has.maxSelections() || module.has.allResultsFiltered()) ) { |
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module.remove.message(); |
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} |
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if(module.is.allFiltered()) { |
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return true; |
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} |
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if(settings.onShow.call(element) !== false) { |
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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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if(module.has.menuSearch()) { |
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module.focusSearch(); |
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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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} |
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} |
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}, |
|
|
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hide: function(callback) { |
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callback = $.isFunction(callback) |
|
? callback |
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: function(){} |
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; |
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if( module.is.active() && !module.is.animatingOutward() ) { |
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module.debug('Hiding dropdown'); |
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if(settings.onHide.call(element) !== false) { |
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module.animate.hide(function() { |
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module.remove.visible(); |
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callback.call(element); |
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}); |
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} |
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} |
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}, |
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|
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hideOthers: function() { |
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module.verbose('Finding other dropdowns to hide'); |
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$allModules |
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.not($module) |
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.has(selector.menu + '.' + className.visible) |
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.dropdown('hide') |
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; |
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}, |
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|
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hideMenu: function() { |
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module.verbose('Hiding menu instantaneously'); |
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module.remove.active(); |
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module.remove.visible(); |
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$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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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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events: function() { |
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if(hasTouch) { |
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module.bind.touchEvents(); |
|
} |
|
module.bind.keyboardEvents(); |
|
module.bind.inputEvents(); |
|
module.bind.mouseEvents(); |
|
}, |
|
touchEvents: function() { |
|
module.debug('Touch device detected binding additional touch events'); |
|
if( module.is.searchSelection() ) { |
|
// do nothing special yet |
|
} |
|
else if( module.is.single() ) { |
|
$module |
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.on('touchstart' + eventNamespace, module.event.test.toggle) |
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; |
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} |
|
$menu |
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.on('touchstart' + eventNamespace, selector.item, module.event.item.mouseenter) |
|
; |
|
}, |
|
keyboardEvents: function() { |
|
module.verbose('Binding keyboard events'); |
|
$module |
|
.on('keydown' + eventNamespace, module.event.keydown) |
|
; |
|
if( module.has.search() ) { |
|
$module |
|
.on(module.get.inputEvent() + eventNamespace, selector.search, module.event.input) |
|
; |
|
} |
|
if( module.is.multiple() ) { |
|
$document |
|
.on('keydown' + elementNamespace, module.event.document.keydown) |
|
; |
|
} |
|
}, |
|
inputEvents: function() { |
|
module.verbose('Binding input change events'); |
|
$module |
|
.on('change' + eventNamespace, selector.input, module.event.change) |
|
; |
|
}, |
|
mouseEvents: function() { |
|
module.verbose('Binding mouse events'); |
|
if(module.is.multiple()) { |
|
$module |
|
.on('click' + eventNamespace, selector.label, module.event.label.click) |
|
.on('click' + eventNamespace, selector.remove, module.event.remove.click) |
|
; |
|
} |
|
if( module.is.searchSelection() ) { |
|
$module |
|
.on('mousedown' + eventNamespace, module.event.mousedown) |
|
.on('mouseup' + eventNamespace, module.event.mouseup) |
|
.on('mousedown' + eventNamespace, selector.menu, module.event.menu.mousedown) |
|
.on('mouseup' + eventNamespace, selector.menu, module.event.menu.mouseup) |
|
.on('click' + eventNamespace, selector.icon, module.event.icon.click) |
|
.on('focus' + eventNamespace, selector.search, module.event.search.focus) |
|
.on('click' + eventNamespace, selector.search, module.event.search.focus) |
|
.on('blur' + eventNamespace, selector.search, module.event.search.blur) |
|
.on('click' + eventNamespace, selector.text, module.event.text.focus) |
|
; |
|
if(module.is.multiple()) { |
|
$module |
|
.on('click' + eventNamespace, module.event.click) |
|
; |
|
} |
|
} |
|
else { |
|
if(settings.on == 'click') { |
|
$module |
|
.on('click' + eventNamespace, module.event.test.toggle) |
|
; |
|
} |
|
else if(settings.on == 'hover') { |
|
$module |
|
.on('mouseenter' + eventNamespace, module.delay.show) |
|
.on('mouseleave' + eventNamespace, module.delay.hide) |
|
; |
|
} |
|
else { |
|
$module |
|
.on(settings.on + eventNamespace, module.toggle) |
|
; |
|
} |
|
$module |
|
.on('click' + eventNamespace, selector.icon, module.event.icon.click) |
|
.on('mousedown' + eventNamespace, module.event.mousedown) |
|
.on('mouseup' + eventNamespace, module.event.mouseup) |
|
.on('focus' + eventNamespace, module.event.focus) |
|
; |
|
if(module.has.menuSearch() ) { |
|
$module |
|
.on('blur' + eventNamespace, selector.search, module.event.search.blur) |
|
; |
|
} |
|
else { |
|
$module |
|
.on('blur' + eventNamespace, module.event.blur) |
|
; |
|
} |
|
} |
|
$menu |
|
.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) |
|
; |
|
} |
|
}, |
|
|
|
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(); |
|
} |
|
if(query || (!query && module.get.activeItem().length == 0)) { |
|
module.select.firstUnfiltered(); |
|
} |
|
if( module.has.allResultsFiltered() ) { |
|
if( settings.onNoResults.call(element, searchTerm) ) { |
|
if(settings.allowAdditions) { |
|
if(settings.hideAdditions) { |
|
module.verbose('User addition with no menu, setting empty style'); |
|
module.set.empty(); |
|
module.hideMenu(); |
|
} |
|
} |
|
else { |
|
module.verbose('All items filtered, showing message', searchTerm); |
|
module.add.message(message.noResults); |
|
} |
|
} |
|
else { |
|
module.verbose('All items filtered, hiding dropdown', searchTerm); |
|
module.hideMenu(); |
|
} |
|
} |
|
else { |
|
module.remove.empty(); |
|
module.remove.message(); |
|
} |
|
if(settings.allowAdditions) { |
|
module.add.userSuggestion(query); |
|
} |
|
if(module.is.searchSelection() && module.can.show() && module.is.focusedOnSearch() ) { |
|
module.show(); |
|
} |
|
} |
|
; |
|
if(settings.useLabels && module.has.maxSelections()) { |
|
return; |
|
} |
|
if(settings.apiSettings) { |
|
if( module.can.useAPI() ) { |
|
module.queryRemote(searchTerm, function() { |
|
if(settings.filterRemoteData) { |
|
module.filterItems(searchTerm); |
|
} |
|
afterFiltered(); |
|
}); |
|
} |
|
else { |
|
module.error(error.noAPI); |
|
} |
|
} |
|
else { |
|
module.filterItems(searchTerm); |
|
afterFiltered(); |
|
} |
|
}, |
|
|
|
queryRemote: function(query, callback) { |
|
var |
|
apiSettings = { |
|
errorDuration : false, |
|
cache : 'local', |
|
throttle : settings.throttle, |
|
urlData : { |
|
query: query |
|
}, |
|
onError: function() { |
|
module.add.message(message.serverError); |
|
callback(); |
|
}, |
|
onFailure: function() { |
|
module.add.message(message.serverError); |
|
callback(); |
|
}, |
|
onSuccess : function(response) { |
|
var |
|
values = response[fields.remoteValues], |
|
hasRemoteValues = ($.isArray(values) && values.length > 0) |
|
; |
|
if(hasRemoteValues) { |
|
module.remove.message(); |
|
module.setup.menu({ |
|
values: response[fields.remoteValues] |
|
}); |
|
} |
|
else { |
|
module.add.message(message.noResults); |
|
} |
|
callback(); |
|
} |
|
} |
|
; |
|
if( !$module.api('get request') ) { |
|
module.setup.api(); |
|
} |
|
apiSettings = $.extend(true, {}, apiSettings, settings.apiSettings); |
|
$module |
|
.api('setting', apiSettings) |
|
.api('query') |
|
; |
|
}, |
|
|
|
filterItems: function(query) { |
|
var |
|
searchTerm = (query !== undefined) |
|
? query |
|
: module.get.query(), |
|
results = null, |
|
escapedTerm = module.escape.string(searchTerm), |
|
beginsWithRegExp = new RegExp('^' + escapedTerm, 'igm') |
|
; |
|
// avoid loop if we're matching nothing |
|
if( module.has.query() ) { |
|
results = []; |
|
|
|
module.verbose('Searching for matching values', searchTerm); |
|
$item |
|
.each(function(){ |
|
var |
|
$choice = $(this), |
|
text, |
|
value |
|
; |
|
if(settings.match == 'both' || settings.match == 'text') { |
|
text = String(module.get.choiceText($choice, false)); |
|
if(text.search(beginsWithRegExp) !== -1) { |
|
results.push(this); |
|
return true; |
|
} |
|
else if (settings.fullTextSearch === 'exact' && module.exactSearch(searchTerm, text)) { |
|
results.push(this); |
|
return true; |
|
} |
|
else if (settings.fullTextSearch === true && module.fuzzySearch(searchTerm, text)) { |
|
results.push(this); |
|
return true; |
|
} |
|
} |
|
if(settings.match == 'both' || settings.match == 'value') { |
|
value = String(module.get.choiceValue($choice, text)); |
|
if(value.search(beginsWithRegExp) !== -1) { |
|
results.push(this); |
|
return true; |
|
} |
|
else if (settings.fullTextSearch === 'exact' && module.exactSearch(searchTerm, value)) { |
|
results.push(this); |
|
return true; |
|
} |
|
else if (settings.fullTextSearch === true && module.fuzzySearch(searchTerm, value)) { |
|
results.push(this); |
|
return true; |
|
} |
|
} |
|
}) |
|
; |
|
} |
|
module.debug('Showing only matched items', searchTerm); |
|
module.remove.filteredItem(); |
|
if(results) { |
|
$item |
|
.not(results) |
|
.addClass(className.filtered) |
|
; |
|
} |
|
}, |
|
|
|
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; |
|
}, |
|
exactSearch: function (query, term) { |
|
query = query.toLowerCase(); |
|
term = term.toLowerCase(); |
|
if(term.indexOf(query) > -1) { |
|
return true; |
|
} |
|
return false; |
|
}, |
|
filterActive: function() { |
|
if(settings.useLabels) { |
|
$item.filter('.' + className.active) |
|
.addClass(className.filtered) |
|
; |
|
} |
|
}, |
|
|
|
focusSearch: function(skipHandler) { |
|
if( module.has.search() && !module.is.focusedOnSearch() ) { |
|
if(skipHandler) { |
|
$module.off('focus' + eventNamespace, selector.search); |
|
$search.focus(); |
|
$module.on('focus' + eventNamespace, selector.search, module.event.search.focus); |
|
} |
|
else { |
|
$search.focus(); |
|
} |
|
} |
|
}, |
|
|
|
forceSelection: function() { |
|
var |
|
$currentlySelected = $item.not(className.filtered).filter('.' + className.selected).eq(0), |
|
$activeItem = $item.not(className.filtered).filter('.' + className.active).eq(0), |
|
$selectedItem = ($currentlySelected.length > 0) |
|
? $currentlySelected |
|
: $activeItem, |
|
hasSelected = ($selectedItem.length > 0) |
|
; |
|
if(hasSelected && !module.is.multiple()) { |
|
module.debug('Forcing partial selection to selected item', $selectedItem); |
|
module.event.item.click.call($selectedItem, {}, true); |
|
return; |
|
} |
|
else { |
|
if(settings.allowAdditions) { |
|
module.set.selected(module.get.query()); |
|
module.remove.searchTerm(); |
|
} |
|
else { |
|
module.remove.searchTerm(); |
|
} |
|
} |
|
}, |
|
|
|
change: { |
|
values: function(values) { |
|
if(!settings.allowAdditions) { |
|
module.clear(); |
|
} |
|
module.debug('Creating dropdown with specified values', values); |
|
module.setup.menu({values: values}); |
|
$.each(values, function(index, item) { |
|
if(item.selected == true) { |
|
module.debug('Setting initial selection to', item.value); |
|
module.set.selected(item.value); |
|
return true; |
|
} |
|
}); |
|
} |
|
}, |
|
|
|
event: { |
|
change: function() { |
|
if(!internalChange) { |
|
module.debug('Input changed, updating selection'); |
|
module.set.selected(); |
|
} |
|
}, |
|
focus: function() { |
|
if(settings.showOnFocus && !activated && module.is.hidden() && !pageLostFocus) { |
|
module.show(); |
|
} |
|
}, |
|
blur: function(event) { |
|
pageLostFocus = (document.activeElement === this); |
|
if(!activated && !pageLostFocus) { |
|
module.remove.activeLabel(); |
|
module.hide(); |
|
} |
|
}, |
|
mousedown: function() { |
|
if(module.is.searchSelection()) { |
|
// prevent menu hiding on immediate re-focus |
|
willRefocus = true; |
|
} |
|
else { |
|
// prevents focus callback from occurring on mousedown |
|
activated = true; |
|
} |
|
}, |
|
mouseup: function() { |
|
if(module.is.searchSelection()) { |
|
// prevent menu hiding on immediate re-focus |
|
willRefocus = false; |
|
} |
|
else { |
|
activated = false; |
|
} |
|
}, |
|
click: function(event) { |
|
var |
|
$target = $(event.target) |
|
; |
|
// focus search |
|
if($target.is($module)) { |
|
if(!module.is.focusedOnSearch()) { |
|
module.focusSearch(); |
|
} |
|
else { |
|
module.show(); |
|
} |
|
} |
|
}, |
|
search: { |
|
focus: function() { |
|
activated = true; |
|
if(module.is.multiple()) { |
|
module.remove.activeLabel(); |
|
} |
|
if(settings.showOnFocus) { |
|
module.search(); |
|
} |
|
}, |
|
blur: function(event) { |
|
pageLostFocus = (document.activeElement === this); |
|
if(module.is.searchSelection() && !willRefocus) { |
|
if(!itemActivated && !pageLostFocus) { |
|
if(settings.forceSelection) { |
|
module.forceSelection(); |
|
} |
|
module.hide(); |
|
} |
|
} |
|
willRefocus = false; |
|
} |
|
}, |
|
icon: { |
|
click: function(event) { |
|
if($icon.hasClass(className.clear)) { |
|
module.clear(); |
|
} |
|
else if (module.can.click()) { |
|
module.toggle(); |
|
} |
|
} |
|
}, |
|
text: { |
|
focus: function(event) { |
|
activated = true; |
|
module.focusSearch(); |
|
} |
|
}, |
|
input: function(event) { |
|
if(module.is.multiple() || module.is.searchSelection()) { |
|
module.set.filtered(); |
|
} |
|
clearTimeout(module.timer); |
|
module.timer = setTimeout(module.search, settings.delay.search); |
|
}, |
|
label: { |
|
click: function(event) { |
|
var |
|
$label = $(this), |
|
$labels = $module.find(selector.label), |
|
$activeLabels = $labels.filter('.' + className.active), |
|
$nextActive = $label.nextAll('.' + className.active), |
|
$prevActive = $label.prevAll('.' + className.active), |
|
$range = ($nextActive.length > 0) |
|
? $label.nextUntil($nextActive).add($activeLabels).add($label) |
|
: $label.prevUntil($prevActive).add($activeLabels).add($label) |
|
; |
|
if(event.shiftKey) { |
|
$activeLabels.removeClass(className.active); |
|
$range.addClass(className.active); |
|
} |
|
else if(event.ctrlKey) { |
|
$label.toggleClass(className.active); |
|
} |
|
else { |
|
$activeLabels.removeClass(className.active); |
|
$label.addClass(className.active); |
|
} |
|
settings.onLabelSelect.apply(this, $labels.filter('.' + className.active)); |
|
} |
|
}, |
|
remove: { |
|
click: function() { |
|
var |
|
$label = $(this).parent() |
|
; |
|
if( $label.hasClass(className.active) ) { |
|
// remove all selected labels |
|
module.remove.activeLabels(); |
|
} |
|
else { |
|
// remove this label only |
|
module.remove.activeLabels( $label ); |
|
} |
|
} |
|
}, |
|
test: { |
|
toggle: function(event) { |
|
var |
|
toggleBehavior = (module.is.multiple()) |
|
? module.show |
|
: module.toggle |
|
; |
|
if(module.is.bubbledLabelClick(event) || module.is.bubbledIconClick(event)) { |
|
return; |
|
} |
|
if( module.determine.eventOnElement(event, toggleBehavior) ) { |
|
event.preventDefault(); |
|
} |
|
}, |
|
touch: function(event) { |
|
module.determine.eventOnElement(event, function() { |
|
if(event.type == 'touchstart') { |
|
module.timer = setTimeout(function() { |
|
module.hide(); |
|
}, settings.delay.touch); |
|
} |
|
else if(event.type == 'touchmove') { |
|
clearTimeout(module.timer); |
|
} |
|
}); |
|
event.stopPropagation(); |
|
}, |
|
hide: function(event) { |
|
module.determine.eventInModule(event, module.hide); |
|
} |
|
}, |
|
select: { |
|
mutation: function(mutations) { |
|
module.debug('<select> modified, recreating menu'); |
|
var |
|
isSelectMutation = false |
|
; |
|
$.each(mutations, function(index, mutation) { |
|
if($(mutation.target).is('select') || $(mutation.addedNodes).is('select')) { |
|
isSelectMutation = true; |
|
return true; |
|
} |
|
}); |
|
if(isSelectMutation) { |
|
module.disconnect.selectObserver(); |
|
module.refresh(); |
|
module.setup.select(); |
|
module.set.selected(); |
|
module.observe.select(); |
|
} |
|
} |
|
}, |
|
menu: { |
|
mutation: function(mutations) { |
|
var |
|
mutation = mutations[0], |
|
$addedNode = mutation.addedNodes |
|
? $(mutation.addedNodes[0]) |
|
: $(false), |
|
$removedNode = mutation.removedNodes |
|
? $(mutation.removedNodes[0]) |
|
: $(false), |
|
$changedNodes = $addedNode.add($removedNode), |
|
isUserAddition = $changedNodes.is(selector.addition) || $changedNodes.closest(selector.addition).length > 0, |
|
isMessage = $changedNodes.is(selector.message) || $changedNodes.closest(selector.message).length > 0 |
|
; |
|
if(isUserAddition || isMessage) { |
|
module.debug('Updating item selector cache'); |
|
module.refreshItems(); |
|
} |
|
else { |
|
module.debug('Menu modified, updating selector cache'); |
|
module.refresh(); |
|
} |
|
}, |
|
mousedown: function() { |
|
itemActivated = true; |
|
}, |
|
mouseup: function() { |
|
itemActivated = false; |
|
} |
|
}, |
|
item: { |
|
mouseenter: function(event) { |
|
var |
|
$target = $(event.target), |
|
$item = $(this), |
|
$subMenu = $item.children(selector.menu), |
|
$otherMenus = $item.siblings(selector.item).children(selector.menu), |
|
hasSubMenu = ($subMenu.length > 0), |
|
isBubbledEvent = ($subMenu.find($target).length > 0) |
|
; |
|
if( !isBubbledEvent && hasSubMenu ) { |
|
clearTimeout(module.itemTimer); |
|
module.itemTimer = setTimeout(function() { |
|
module.verbose('Showing sub-menu', $subMenu); |
|
$.each($otherMenus, function() { |
|
module.animate.hide(false, $(this)); |
|
}); |
|
module.animate.show(false, $subMenu); |
|
}, settings.delay.show); |
|
event.preventDefault(); |
|
} |
|
}, |
|
mouseleave: function(event) { |
|
var |
|
$subMenu = $(this).children(selector.menu) |
|
; |
|
if($subMenu.length > 0) { |
|
clearTimeout(module.itemTimer); |
|
module.itemTimer = setTimeout(function() { |
|
module.verbose('Hiding sub-menu', $subMenu); |
|
module.animate.hide(false, $subMenu); |
|
}, settings.delay.hide); |
|
} |
|
}, |
|
click: function (event, skipRefocus) { |
|
var |
|
$choice = $(this), |
|
$target = (event) |
|
? $(event.target) |
|
: $(''), |
|
$subMenu = $choice.find(selector.menu), |
|
text = module.get.choiceText($choice), |
|
value = module.get.choiceValue($choice, text), |
|
hasSubMenu = ($subMenu.length > 0), |
|
isBubbledEvent = ($subMenu.find($target).length > 0) |
|
; |
|
// prevents IE11 bug where menu receives focus even though `tabindex=-1` |
|
if(module.has.menuSearch()) { |
|
$(document.activeElement).blur(); |
|
} |
|
if(!isBubbledEvent && (!hasSubMenu || settings.allowCategorySelection)) { |
|
if(module.is.searchSelection()) { |
|
if(settings.allowAdditions) { |
|
module.remove.userAddition(); |
|
} |
|
module.remove.searchTerm(); |
|
if(!module.is.focusedOnSearch() && !(skipRefocus == true)) { |
|
module.focusSearch(true); |
|
} |
|
} |
|
if(!settings.useLabels) { |
|
module.remove.filteredItem(); |
|
module.set.scrollPosition($choice); |
|
} |
|
module.determine.selectAction.call(this, text, value); |
|
} |
|
} |
|
}, |
|
|
|
document: { |
|
// label selection should occur even when element has no focus |
|
keydown: function(event) { |
|
var |
|
pressedKey = event.which, |
|
isShortcutKey = module.is.inObject(pressedKey, keys) |
|
; |
|
if(isShortcutKey) { |
|
var |
|
$label = $module.find(selector.label), |
|
$activeLabel = $label.filter('.' + className.active), |
|
activeValue = $activeLabel.data(metadata.value), |
|
labelIndex = $label.index($activeLabel), |
|
labelCount = $label.length, |
|
hasActiveLabel = ($activeLabel.length > 0), |
|
hasMultipleActive = ($activeLabel.length > 1), |
|
isFirstLabel = (labelIndex === 0), |
|
isLastLabel = (labelIndex + 1 == labelCount), |
|
isSearch = module.is.searchSelection(), |
|
isFocusedOnSearch = module.is.focusedOnSearch(), |
|
isFocused = module.is.focused(), |
|
caretAtStart = (isFocusedOnSearch && module.get.caretPosition() === 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, |
|
isShortcutKey = module.is.inObject(pressedKey, keys) |
|
; |
|
if(isShortcutKey) { |
|
var |
|
$currentlySelected = $item.not(selector.unselectable).filter('.' + className.selected).eq(0), |
|
$activeItem = $menu.children('.' + className.active).eq(0), |
|
$selectedItem = ($currentlySelected.length > 0) |
|
? $currentlySelected |
|
: $activeItem, |
|
$visibleItems = ($selectedItem.length > 0) |
|
? $selectedItem.siblings(':not(.' + className.filtered +')').addBack() |
|
: $menu.children(':not(.' + className.filtered +')'), |
|
$subMenu = $selectedItem.children(selector.menu), |
|
$parentMenu = $selectedItem.closest(selector.menu), |
|
inVisibleMenu = ($parentMenu.hasClass(className.visible) || $parentMenu.hasClass(className.animating) || $parentMenu.parent(selector.menu).length > 0), |
|
hasSubMenu = ($subMenu.length> 0), |
|
hasSelectedItem = ($selectedItem.length > 0), |
|
selectedIsSelectable = ($selectedItem.not(selector.unselectable).length > 0), |
|
delimiterPressed = (pressedKey == keys.delimiter && settings.allowAdditions && module.is.multiple()), |
|
isAdditionWithoutMenu = (settings.allowAdditions && settings.hideAdditions && (pressedKey == keys.enter || delimiterPressed) && selectedIsSelectable), |
|
$nextItem, |
|
isSubMenuItem, |
|
newIndex |
|
; |
|
// allow selection with menu closed |
|
if(isAdditionWithoutMenu) { |
|
module.verbose('Selecting item from keyboard shortcut', $selectedItem); |
|
module.event.item.click.call($selectedItem, event); |
|
if(module.is.searchSelection()) { |
|
module.remove.searchTerm(); |
|
} |
|
} |
|
|
|
// visible menu keyboard shortcuts |
|
if( module.is.visible() ) { |
|
|
|
// enter (select or open sub-menu) |
|
if(pressedKey == keys.enter || delimiterPressed) { |
|
if(pressedKey == keys.enter && hasSelectedItem && hasSubMenu && !settings.allowCategorySelection) { |
|
module.verbose('Pressed enter on unselectable category, opening sub menu'); |
|
pressedKey = keys.rightArrow; |
|
} |
|
else if(selectedIsSelectable) { |
|
module.verbose('Selecting item from keyboard shortcut', $selectedItem); |
|
module.event.item.click.call($selectedItem, event); |
|
if(module.is.searchSelection()) { |
|
module.remove.searchTerm(); |
|
} |
|
} |
|
event.preventDefault(); |
|
} |
|
|
|
// sub-menu actions |
|
if(hasSelectedItem) { |
|
|
|
if(pressedKey == keys.leftArrow) { |
|
|
|
isSubMenuItem = ($parentMenu[0] !== $menu[0]); |
|
|
|
if(isSubMenuItem) { |
|
module.verbose('Left key pressed, closing sub-menu'); |
|
module.animate.hide(false, $parentMenu); |
|
$selectedItem |
|
.removeClass(className.selected) |
|
; |
|
$parentMenu |
|
.closest(selector.item) |
|
.addClass(className.selected) |
|
; |
|
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); |
|
if(settings.selectOnKeydown && module.is.single()) { |
|
module.set.selectedItem($nextItem); |
|
} |
|
} |
|
event.preventDefault(); |
|
} |
|
|
|
// down arrow (traverse menu down) |
|
if(pressedKey == keys.downArrow) { |
|
$nextItem = (hasSelectedItem && inVisibleMenu) |
|
? $nextItem = $selectedItem.nextAll(selector.item + ':not(' + selector.unselectable + ')').eq(0) |
|
: $item.eq(0) |
|
; |
|
if($nextItem.length === 0) { |
|
module.verbose('Down key pressed but reached bottom of current menu'); |
|
event.preventDefault(); |
|
return; |
|
} |
|
else { |
|
module.verbose('Down key pressed, changing active item'); |
|
$item |
|
.removeClass(className.selected) |
|
; |
|
$nextItem |
|
.addClass(className.selected) |
|
; |
|
module.set.scrollPosition($nextItem); |
|
if(settings.selectOnKeydown && module.is.single()) { |
|
module.set.selectedItem($nextItem); |
|
} |
|
} |
|
event.preventDefault(); |
|
} |
|
|
|
// page down (show next page) |
|
if(pressedKey == keys.pageUp) { |
|
module.scrollPage('up'); |
|
event.preventDefault(); |
|
} |
|
if(pressedKey == keys.pageDown) { |
|
module.scrollPage('down'); |
|
event.preventDefault(); |
|
} |
|
|
|
// escape (close menu) |
|
if(pressedKey == keys.escape) { |
|
module.verbose('Escape key pressed, closing dropdown'); |
|
module.hide(); |
|
} |
|
|
|
} |
|
else { |
|
// delimiter key |
|
if(delimiterPressed) { |
|
event.preventDefault(); |
|
} |
|
// down arrow (open menu) |
|
if(pressedKey == keys.downArrow && !module.is.visible()) { |
|
module.verbose('Down key pressed, showing dropdown'); |
|
module.show(); |
|
event.preventDefault(); |
|
} |
|
} |
|
} |
|
else { |
|
if( !module.has.search() ) { |
|
module.set.selectedLetter( String.fromCharCode(pressedKey) ); |
|
} |
|
} |
|
} |
|
}, |
|
|
|
trigger: { |
|
change: function() { |
|
var |
|
events = document.createEvent('HTMLEvents'), |
|
inputElement = $input[0] |
|
; |
|
if(inputElement) { |
|
module.verbose('Triggering native change event'); |
|
events.initEvent('change', true, false); |
|
inputElement.dispatchEvent(events); |
|
} |
|
} |
|
}, |
|
|
|
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(element, text, value, this); |
|
} |
|
else if( $.isFunction(settings.action) ) { |
|
module.verbose('Triggering user action', settings.action, text, value); |
|
settings.action.call(element, text, value, this); |
|
} |
|
else { |
|
module.error(error.action, settings.action); |
|
} |
|
}, |
|
eventInModule: function(event, callback) { |
|
var |
|
$target = $(event.target), |
|
inDocument = ($target.closest(document.documentElement).length > 0), |
|
inModule = ($target.closest($module).length > 0) |
|
; |
|
callback = $.isFunction(callback) |
|
? callback |
|
: function(){} |
|
; |
|
if(inDocument && !inModule) { |
|
module.verbose('Triggering event', callback); |
|
callback(); |
|
return true; |
|
} |
|
else { |
|
module.verbose('Event occurred in dropdown, canceling callback'); |
|
return false; |
|
} |
|
}, |
|
eventOnElement: function(event, callback) { |
|
var |
|
$target = $(event.target), |
|
$label = $target.closest(selector.siblingLabel), |
|
inVisibleDOM = document.body.contains(event.target), |
|
notOnLabel = ($module.find($label).length === 0), |
|
notInMenu = ($target.closest($menu).length === 0) |
|
; |
|
callback = $.isFunction(callback) |
|
? callback |
|
: function(){} |
|
; |
|
if(inVisibleDOM && notOnLabel && notInMenu) { |
|
module.verbose('Triggering event', callback); |
|
callback(); |
|
return true; |
|
} |
|
else { |
|
module.verbose('Event occurred in dropdown menu, canceling callback'); |
|
return false; |
|
} |
|
} |
|
}, |
|
|
|
action: { |
|
|
|
nothing: function() {}, |
|
|
|
activate: function(text, value, element) { |
|
value = (value !== undefined) |
|
? value |
|
: text |
|
; |
|
if( module.can.activate( $(element) ) ) { |
|
module.set.selected(value, $(element)); |
|
if(module.is.multiple() && !module.is.allFiltered()) { |
|
return; |
|
} |
|
else { |
|
module.hideAndClear(); |
|
} |
|
} |
|
}, |
|
|
|
select: function(text, value, element) { |
|
value = (value !== undefined) |
|
? value |
|
: text |
|
; |
|
if( module.can.activate( $(element) ) ) { |
|
module.set.value(value, text, $(element)); |
|
if(module.is.multiple() && !module.is.allFiltered()) { |
|
return; |
|
} |
|
else { |
|
module.hideAndClear(); |
|
} |
|
} |
|
}, |
|
|
|
combo: function(text, value, element) { |
|
value = (value !== undefined) |
|
? value |
|
: text |
|
; |
|
module.set.selected(value, $(element)); |
|
module.hideAndClear(); |
|
}, |
|
|
|
hide: function(text, value, element) { |
|
module.set.value(value, text, $(element)); |
|
module.hideAndClear(); |
|
} |
|
|
|
}, |
|
|
|
get: { |
|
id: function() { |
|
return id; |
|
}, |
|
defaultText: function() { |
|
return $module.data(metadata.defaultText); |
|
}, |
|
defaultValue: function() { |
|
return $module.data(metadata.defaultValue); |
|
}, |
|
placeholderText: function() { |
|
if(settings.placeholder != 'auto' && typeof settings.placeholder == 'string') { |
|
return settings.placeholder; |
|
} |
|
return $module.data(metadata.placeholderText) || ''; |
|
}, |
|
text: function() { |
|
return $text.text(); |
|
}, |
|
query: function() { |
|
return $.trim($search.val()); |
|
}, |
|
searchWidth: function(value) { |
|
value = (value !== undefined) |
|
? value |
|
: $search.val() |
|
; |
|
$sizer.text(value); |
|
// prevent rounding issues |
|
return Math.ceil( $sizer.width() + 1); |
|
}, |
|
selectionCount: function() { |
|
var |
|
values = module.get.values(), |
|
count |
|
; |
|
count = ( module.is.multiple() ) |
|
? $.isArray(values) |
|
? values.length |
|
: 0 |
|
: (module.get.value() !== '') |
|
? 1 |
|
: 0 |
|
; |
|
return count; |
|
}, |
|
transition: function($subMenu) { |
|
return (settings.transition == 'auto') |
|
? module.is.upward($subMenu) |
|
? 'slide up' |
|
: 'slide down' |
|
: settings.transition |
|
; |
|
}, |
|
userValues: function() { |
|
var |
|
values = module.get.values() |
|
; |
|
if(!values) { |
|
return false; |
|
} |
|
values = $.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 = $search.get(0), |
|
range, |
|
rangeLength |
|
; |
|
if('selectionStart' in input) { |
|
return input.selectionStart; |
|
} |
|
else if (document.selection) { |
|
input.focus(); |
|
range = document.selection.createRange(); |
|
rangeLength = range.text.length; |
|
range.moveStart('character', -input.value.length); |
|
return range.text.length - rangeLength; |
|
} |
|
}, |
|
value: function() { |
|
var |
|
value = ($input.length > 0) |
|
? $input.val() |
|
: $module.data(metadata.value), |
|
isEmptyMultiselect = ($.isArray(value) && value.length === 1 && value[0] === '') |
|
; |
|
// prevents placeholder element from being selected when multiple |
|
return (value === undefined || isEmptyMultiselect) |
|
? '' |
|
: value |
|
; |
|
}, |
|
values: function() { |
|
var |
|
value = module.get.value() |
|
; |
|
if(value === '') { |
|
return ''; |
|
} |
|
return ( !module.has.selectInput() && module.is.multiple() ) |
|
? (typeof value == 'string') // delimited string |
|
? value.split(settings.delimiter) |
|
: '' |
|
: value |
|
; |
|
}, |
|
remoteValues: function() { |
|
var |
|
values = module.get.values(), |
|
remoteValues = false |
|
; |
|
if(values) { |
|
if(typeof values == 'string') { |
|
values = [values]; |
|
} |
|
$.each(values, function(index, value) { |
|
var |
|
name = module.read.remoteData(value) |
|
; |
|
module.verbose('Restoring value from session data', name, value); |
|
if(name) { |
|
if(!remoteValues) { |
|
remoteValues = {}; |
|
} |
|
remoteValues[value] = name; |
|
} |
|
}); |
|
} |
|
return remoteValues; |
|
}, |
|
choiceText: function($choice, preserveHTML) { |
|
preserveHTML = (preserveHTML !== undefined) |
|
? preserveHTML |
|
: settings.preserveHTML |
|
; |
|
if($choice) { |
|
if($choice.find(selector.menu).length > 0) { |
|
module.verbose('Retrieving text of element with sub-menu'); |
|
$choice = $choice.clone(); |
|
$choice.find(selector.menu).remove(); |
|
$choice.find(selector.menuIcon).remove(); |
|
} |
|
return ($choice.data(metadata.text) !== undefined) |
|
? $choice.data(metadata.text) |
|
: (preserveHTML) |
|
? $.trim($choice.html()) |
|
: $.trim($choice.text()) |
|
; |
|
} |
|
}, |
|
choiceValue: function($choice, choiceText) { |
|
choiceText = choiceText || module.get.choiceText($choice); |
|
if(!$choice) { |
|
return false; |
|
} |
|
return ($choice.data(metadata.value) !== undefined) |
|
? String( $choice.data(metadata.value) ) |
|
: (typeof choiceText === 'string') |
|
? $.trim(choiceText.toLowerCase()) |
|
: String(choiceText) |
|
; |
|
}, |
|
inputEvent: function() { |
|
var |
|
input = $search[0] |
|
; |
|
if(input) { |
|
return (input.oninput !== undefined) |
|
? 'input' |
|
: (input.onpropertychange !== undefined) |
|
? 'propertychange' |
|
: 'keyup' |
|
; |
|
} |
|
return false; |
|
}, |
|
selectValues: function() { |
|
var |
|
select = {} |
|
; |
|
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('Retrieved values from select', select); |
|
} |
|
return select; |
|
}, |
|
activeItem: function() { |
|
return $item.filter('.' + className.active); |
|
}, |
|
selectedItem: function() { |
|
var |
|
$selectedItem = $item.not(selector.unselectable).filter('.' + className.selected) |
|
; |
|
return ($selectedItem.length > 0) |
|
? $selectedItem |
|
: $item.eq(0) |
|
; |
|
}, |
|
itemWithAdditions: function(value) { |
|
var |
|
$items = module.get.item(value), |
|
$userItems = module.create.userChoice(value), |
|
hasUserItems = ($userItems && $userItems.length > 0) |
|
; |
|
if(hasUserItems) { |
|
$items = ($items.length > 0) |
|
? $items.add($userItems) |
|
: $userItems |
|
; |
|
} |
|
return $items; |
|
}, |
|
item: function(value, strict) { |
|
var |
|
$selectedItem = false, |
|
shouldSearch, |
|
isMultiple |
|
; |
|
value = (value !== undefined) |
|
? value |
|
: ( module.get.values() !== undefined) |
|
? module.get.values() |
|
: module.get.text() |
|
; |
|
shouldSearch = (isMultiple) |
|
? (value.length > 0) |
|
: (value !== undefined && 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( String(optionValue), 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( String(optionValue) == String(value) || 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'); |
|
if(settings.useLabels) { |
|
$item.addClass(className.filtered); |
|
module.add.message(message.maxSelections); |
|
} |
|
return true; |
|
} |
|
else { |
|
module.verbose('No longer at maximum selection count'); |
|
module.remove.message(); |
|
module.remove.filteredItem(); |
|
if(module.is.searchSelection()) { |
|
module.filterItems(); |
|
} |
|
return false; |
|
} |
|
} |
|
return true; |
|
} |
|
}, |
|
|
|
restore: { |
|
defaults: function() { |
|
module.clear(); |
|
module.restore.defaultText(); |
|
module.restore.defaultValue(); |
|
}, |
|
defaultText: function() { |
|
var |
|
defaultText = module.get.defaultText(), |
|
placeholderText = module.get.placeholderText |
|
; |
|
if(defaultText === placeholderText) { |
|
module.debug('Restoring default placeholder text', defaultText); |
|
module.set.placeholderText(defaultText); |
|
} |
|
else { |
|
module.debug('Restoring default text', defaultText); |
|
module.set.text(defaultText); |
|
} |
|
}, |
|
placeholderText: function() { |
|
module.set.placeholderText(); |
|
}, |
|
defaultValue: function() { |
|
var |
|
defaultValue = module.get.defaultValue() |
|
; |
|
if(defaultValue !== undefined) { |
|
module.debug('Restoring default value', defaultValue); |
|
if(defaultValue !== '') { |
|
module.set.value(defaultValue); |
|
module.set.selected(); |
|
} |
|
else { |
|
module.remove.activeItem(); |
|
module.remove.selectedItem(); |
|
} |
|
} |
|
}, |
|
labels: function() { |
|
if(settings.allowAdditions) { |
|
if(!settings.useLabels) { |
|
module.error(error.labels); |
|
settings.useLabels = true; |
|
} |
|
module.debug('Restoring selected values'); |
|
module.create.userLabels(); |
|
} |
|
module.check.maxSelections(); |
|
}, |
|
selected: function() { |
|
module.restore.values(); |
|
if(module.is.multiple()) { |
|
module.debug('Restoring previously selected values and labels'); |
|
module.restore.labels(); |
|
} |
|
else { |
|
module.debug('Restoring previously selected values'); |
|
} |
|
}, |
|
values: function() { |
|
// prevents callbacks from occurring on initial load |
|
module.set.initialLoad(); |
|
if(settings.apiSettings && settings.saveRemoteData && module.get.remoteValues()) { |
|
module.restore.remoteValues(); |
|
} |
|
else { |
|
module.set.selected(); |
|
} |
|
module.remove.initialLoad(); |
|
}, |
|
remoteValues: function() { |
|
var |
|
values = module.get.remoteValues() |
|
; |
|
module.debug('Recreating selected from session data', values); |
|
if(values) { |
|
if( module.is.single() ) { |
|
$.each(values, function(value, name) { |
|
module.set.text(name); |
|
}); |
|
} |
|
else { |
|
$.each(values, function(value, name) { |
|
module.add.label(value, name); |
|
}); |
|
} |
|
} |
|
} |
|
}, |
|
|
|
read: { |
|
remoteData: function(value) { |
|
var |
|
name |
|
; |
|
if(window.Storage === undefined) { |
|
module.error(error.noStorage); |
|
return; |
|
} |
|
name = sessionStorage.getItem(value); |
|
return (name !== undefined) |
|
? name |
|
: false |
|
; |
|
} |
|
}, |
|
|
|
save: { |
|
defaults: function() { |
|
module.save.defaultText(); |
|
module.save.placeholderText(); |
|
module.save.defaultValue(); |
|
}, |
|
defaultValue: function() { |
|
var |
|
value = module.get.value() |
|
; |
|
module.verbose('Saving default value as', value); |
|
$module.data(metadata.defaultValue, value); |
|
}, |
|
defaultText: function() { |
|
var |
|
text = module.get.text() |
|
; |
|
module.verbose('Saving default text as', text); |
|
$module.data(metadata.defaultText, text); |
|
}, |
|
placeholderText: function() { |
|
var |
|
text |
|
; |
|
if(settings.placeholder !== false && $text.hasClass(className.placeholder)) { |
|
text = module.get.text(); |
|
module.verbose('Saving placeholder text as', text); |
|
$module.data(metadata.placeholderText, text); |
|
} |
|
}, |
|
remoteData: function(name, value) { |
|
if(window.Storage === undefined) { |
|
module.error(error.noStorage); |
|
return; |
|
} |
|
module.verbose('Saving remote data to session storage', value, name); |
|
sessionStorage.setItem(value, name); |
|
} |
|
}, |
|
|
|
clear: function() { |
|
if(module.is.multiple() && settings.useLabels) { |
|
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 |
|
$currentItem = $selectedItem || module.get.selectedItem(), |
|
$menu = $currentItem.closest(selector.menu), |
|
menuHeight = $menu.outerHeight(), |
|
currentScroll = $menu.scrollTop(), |
|
itemHeight = $item.eq(0).outerHeight(), |
|
itemsPerPage = Math.floor(menuHeight / itemHeight), |
|
maxScroll = $menu.prop('scrollHeight'), |
|
newScroll = (direction == 'up') |
|
? currentScroll - (itemHeight * itemsPerPage) |
|
: currentScroll + (itemHeight * itemsPerPage), |
|
$selectableItem = $item.not(selector.unselectable), |
|
isWithinRange, |
|
$nextSelectedItem, |
|
elementIndex |
|
; |
|
elementIndex = (direction == 'up') |
|
? $selectableItem.index($currentItem) - itemsPerPage |
|
: $selectableItem.index($currentItem) + itemsPerPage |
|
; |
|
isWithinRange = (direction == 'up') |
|
? (elementIndex >= 0) |
|
: (elementIndex < $selectableItem.length) |
|
; |
|
$nextSelectedItem = (isWithinRange) |
|
? $selectableItem.eq(elementIndex) |
|
: (direction == 'up') |
|
? $selectableItem.first() |
|
: $selectableItem.last() |
|
; |
|
if($nextSelectedItem.length > 0) { |
|
module.debug('Scrolling page', direction, $nextSelectedItem); |
|
$currentItem |
|
.removeClass(className.selected) |
|
; |
|
$nextSelectedItem |
|
.addClass(className.selected) |
|
; |
|
if(settings.selectOnKeydown && module.is.single()) { |
|
module.set.selectedItem($nextSelectedItem); |
|
} |
|
$menu |
|
.scrollTop(newScroll) |
|
; |
|
} |
|
}, |
|
|
|
set: { |
|
filtered: function() { |
|
var |
|
isMultiple = module.is.multiple(), |
|
isSearch = module.is.searchSelection(), |
|
isSearchMultiple = (isMultiple && isSearch), |
|
searchValue = (isSearch) |
|
? module.get.query() |
|
: '', |
|
hasSearchValue = (typeof searchValue === 'string' && searchValue.length > 0), |
|
searchWidth = module.get.searchWidth(), |
|
valueIsSet = searchValue !== '' |
|
; |
|
if(isMultiple && hasSearchValue) { |
|
module.verbose('Adjusting input width', searchWidth, settings.glyphWidth); |
|
$search.css('width', searchWidth); |
|
} |
|
if(hasSearchValue || (isSearchMultiple && valueIsSet)) { |
|
module.verbose('Hiding placeholder text'); |
|
$text.addClass(className.filtered); |
|
} |
|
else if(!isMultiple || (isSearchMultiple && !valueIsSet)) { |
|
module.verbose('Showing placeholder text'); |
|
$text.removeClass(className.filtered); |
|
} |
|
}, |
|
empty: function() { |
|
$module.addClass(className.empty); |
|
}, |
|
loading: function() { |
|
$module.addClass(className.loading); |
|
}, |
|
placeholderText: function(text) { |
|
text = text || module.get.placeholderText(); |
|
module.debug('Setting placeholder text', text); |
|
module.set.text(text); |
|
$text.addClass(className.placeholder); |
|
}, |
|
tabbable: function() { |
|
if( module.is.searchSelection() ) { |
|
module.debug('Added tabindex to searchable dropdown'); |
|
$search |
|
.val('') |
|
.attr('tabindex', 0) |
|
; |
|
$menu |
|
.attr('tabindex', -1) |
|
; |
|
} |
|
else { |
|
module.debug('Added tabindex to dropdown'); |
|
if( $module.attr('tabindex') === undefined) { |
|
$module |
|
.attr('tabindex', 0) |
|
; |
|
$menu |
|
.attr('tabindex', -1) |
|
; |
|
} |
|
} |
|
}, |
|
initialLoad: function() { |
|
module.verbose('Setting initial load'); |
|
initialLoad = true; |
|
}, |
|
activeItem: function($item) { |
|
if( settings.allowAdditions && $item.filter(selector.addition).length > 0 ) { |
|
$item.addClass(className.filtered); |
|
} |
|
else { |
|
$item.addClass(className.active); |
|
} |
|
}, |
|
partialSearch: function(text) { |
|
var |
|
length = module.get.query().length |
|
; |
|
$search.val( text.substr(0, length)); |
|
}, |
|
scrollPosition: function($item, forceScroll) { |
|
var |
|
edgeTolerance = 5, |
|
$menu, |
|
hasActive, |
|
offset, |
|
itemHeight, |
|
itemOffset, |
|
menuOffset, |
|
menuScroll, |
|
menuHeight, |
|
abovePage, |
|
belowPage |
|
; |
|
|
|
$item = $item || module.get.selectedItem(); |
|
$menu = $item.closest(selector.menu); |
|
hasActive = ($item && $item.length > 0); |
|
forceScroll = (forceScroll !== undefined) |
|
? forceScroll |
|
: false |
|
; |
|
if($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 { |
|
if(text !== module.get.placeholderText()) { |
|
$text.removeClass(className.placeholder); |
|
} |
|
module.debug('Changing text', text, $text); |
|
$text |
|
.removeClass(className.filtered) |
|
; |
|
if(settings.preserveHTML) { |
|
$text.html(text); |
|
} |
|
else { |
|
$text.text(text); |
|
} |
|
} |
|
} |
|
}, |
|
selectedItem: function($item) { |
|
var |
|
value = module.get.choiceValue($item), |
|
searchText = module.get.choiceText($item, false), |
|
text = module.get.choiceText($item, true) |
|
; |
|
module.debug('Setting user selection to item', $item); |
|
module.remove.activeItem(); |
|
module.set.partialSearch(searchText); |
|
module.set.activeItem($item); |
|
module.set.selected(value, $item); |
|
module.set.text(text); |
|
}, |
|
selectedLetter: function(letter) { |
|
var |
|
$selectedItem = $item.filter('.' + className.selected), |
|
alreadySelectedLetter = $selectedItem.length > 0 && module.has.firstLetter($selectedItem, letter), |
|
$nextValue = false, |
|
$nextItem |
|
; |
|
// check next of same letter |
|
if(alreadySelectedLetter) { |
|
$nextItem = $selectedItem.nextAll($item).eq(0); |
|
if( module.has.firstLetter($nextItem, letter) ) { |
|
$nextValue = $nextItem; |
|
} |
|
} |
|
// check all values |
|
if(!$nextValue) { |
|
$item |
|
.each(function(){ |
|
if(module.has.firstLetter($(this), letter)) { |
|
$nextValue = $(this); |
|
return false; |
|
} |
|
}) |
|
; |
|
} |
|
// set next value |
|
if($nextValue) { |
|
module.verbose('Scrolling to next value with letter', letter); |
|
module.set.scrollPosition($nextValue); |
|
$selectedItem.removeClass(className.selected); |
|
$nextValue.addClass(className.selected); |
|
if(settings.selectOnKeydown && module.is.single()) { |
|
module.set.selectedItem($nextValue); |
|
} |
|
} |
|
}, |
|
direction: function($menu) { |
|
if(settings.direction == 'auto') { |
|
// reset position |
|
module.remove.upward(); |
|
|
|
if(module.can.openDownward($menu)) { |
|
module.remove.upward($menu); |
|
} |
|
else { |
|
module.set.upward($menu); |
|
} |
|
if(!module.is.leftward($menu) && !module.can.openRightward($menu)) { |
|
module.set.leftward($menu); |
|
} |
|
} |
|
else if(settings.direction == 'upward') { |
|
module.set.upward($menu); |
|
} |
|
}, |
|
upward: function($currentMenu) { |
|
var $element = $currentMenu || $module; |
|
$element.addClass(className.upward); |
|
}, |
|
leftward: function($currentMenu) { |
|
var $element = $currentMenu || $menu; |
|
$element.addClass(className.leftward); |
|
}, |
|
value: function(value, text, $selected) { |
|
var |
|
escapedValue = module.escape.value(value), |
|
hasInput = ($input.length > 0), |
|
currentValue = module.get.values(), |
|
stringValue = (value !== undefined) |
|
? String(value) |
|
: value, |
|
newValue |
|
; |
|
if(hasInput) { |
|
if(!settings.allowReselection && stringValue == currentValue) { |
|
module.verbose('Skipping value update already same value', value, currentValue); |
|
if(!module.is.initialLoad()) { |
|
return; |
|
} |
|
} |
|
|
|
if( module.is.single() && module.has.selectInput() && module.can.extendSelect() ) { |
|
module.debug('Adding user option', value); |
|
module.add.optionValue(value); |
|
} |
|
module.debug('Updating input value', escapedValue, currentValue); |
|
internalChange = true; |
|
$input |
|
.val(escapedValue) |
|
; |
|
if(settings.fireOnInit === false && module.is.initialLoad()) { |
|
module.debug('Input native change event ignored on initial load'); |
|
} |
|
else { |
|
module.trigger.change(); |
|
} |
|
internalChange = false; |
|
} |
|
else { |
|
module.verbose('Storing value in metadata', escapedValue, $input); |
|
if(escapedValue !== currentValue) { |
|
$module.data(metadata.value, stringValue); |
|
} |
|
} |
|
if(module.is.single() && settings.clearable) { |
|
// treat undefined or '' as empty |
|
if(!escapedValue) { |
|
module.remove.clearable(); |
|
} |
|
else { |
|
module.set.clearable(); |
|
} |
|
} |
|
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); |
|
}, |
|
exactly: function(value, $selectedItem) { |
|
module.debug('Setting selected to exact values'); |
|
module.clear(); |
|
module.set.selected(value, $selectedItem); |
|
}, |
|
selected: function(value, $selectedItem) { |
|
var |
|
isMultiple = module.is.multiple(), |
|
$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.multiple()) { |
|
module.remove.searchWidth(); |
|
} |
|
if(module.is.single()) { |
|
module.remove.activeItem(); |
|
module.remove.selectedItem(); |
|
} |
|
else if(settings.useLabels) { |
|
module.remove.selectedItem(); |
|
} |
|
// select each item |
|
$selectedItem |
|
.each(function() { |
|
var |
|
$selected = $(this), |
|
selectedText = module.get.choiceText($selected), |
|
selectedValue = module.get.choiceValue($selected, selectedText), |
|
|
|
isFiltered = $selected.hasClass(className.filtered), |
|
isActive = $selected.hasClass(className.active), |
|
isUserValue = $selected.hasClass(className.addition), |
|
shouldAnimate = (isMultiple && $selectedItem.length == 1) |
|
; |
|
if(isMultiple) { |
|
if(!isActive || isUserValue) { |
|
if(settings.apiSettings && settings.saveRemoteData) { |
|
module.save.remoteData(selectedText, selectedValue); |
|
} |
|
if(settings.useLabels) { |
|
module.add.label(selectedValue, selectedText, shouldAnimate); |
|
module.add.value(selectedValue, selectedText, $selected); |
|
module.set.activeItem($selected); |
|
module.filterActive(); |
|
module.select.nextAvailable($selectedItem); |
|
} |
|
else { |
|
module.add.value(selectedValue, selectedText, $selected); |
|
module.set.text(module.add.variables(message.count)); |
|
module.set.activeItem($selected); |
|
} |
|
} |
|
else if(!isFiltered) { |
|
module.debug('Selected active value, removing label'); |
|
module.remove.selected(selectedValue); |
|
} |
|
} |
|
else { |
|
if(settings.apiSettings && settings.saveRemoteData) { |
|
module.save.remoteData(selectedText, selectedValue); |
|
} |
|
module.set.text(selectedText); |
|
module.set.value(selectedValue, selectedText, $selected); |
|
$selected |
|
.addClass(className.active) |
|
.addClass(className.selected) |
|
; |
|
} |
|
}) |
|
; |
|
}, |
|
clearable: function() { |
|
$icon.addClass(className.clear); |
|
}, |
|
}, |
|
|
|
add: { |
|
label: function(value, text, shouldAnimate) { |
|
var |
|
$next = module.is.searchSelection() |
|
? $search |
|
: $text, |
|
escapedValue = module.escape.value(value), |
|
$label |
|
; |
|
if(settings.ignoreCase) { |
|
escapedValue = escapedValue.toLowerCase(); |
|
} |
|
$label = $('<a />') |
|
.addClass(className.label) |
|
.attr('data-' + metadata.value, escapedValue) |
|
.html(templates.label(escapedValue, text)) |
|
; |
|
$label = settings.onLabelCreate.call($label, escapedValue, text); |
|
|
|
if(module.has.label(value)) { |
|
module.debug('User selection already exists, skipping', escapedValue); |
|
return; |
|
} |
|
if(settings.label.variation) { |
|
$label.addClass(settings.label.variation); |
|
} |
|
if(shouldAnimate === true) { |
|
module.debug('Animating in label', $label); |
|
$label |
|
.addClass(className.hidden) |
|
.insertBefore($next) |
|
.transition(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 |
|
escapedValue = module.escape.value(value), |
|
$option = $input.find('option[value="' + module.escape.string(escapedValue) + '"]'), |
|
hasOption = ($option.length > 0) |
|
; |
|
if(hasOption) { |
|
return; |
|
} |
|
// temporarily disconnect observer |
|
module.disconnect.selectObserver(); |
|
if( module.is.single() ) { |
|
module.verbose('Removing previous user addition'); |
|
$input.find('option.' + className.addition).remove(); |
|
} |
|
$('<option/>') |
|
.prop('value', escapedValue) |
|
.addClass(className.addition) |
|
.html(value) |
|
.appendTo($input) |
|
; |
|
module.verbose('Adding user addition as an <option>', value); |
|
module.observe.select(); |
|
}, |
|
userSuggestion: function(value) { |
|
var |
|
$addition = $menu.children(selector.addition), |
|
$existingItem = module.get.item(value), |
|
alreadyHasValue = $existingItem && $existingItem.not(selector.addition).length, |
|
hasUserSuggestion = $addition.length > 0, |
|
html |
|
; |
|
if(settings.useLabels && module.has.maxSelections()) { |
|
return; |
|
} |
|
if(value === '' || alreadyHasValue) { |
|
$addition.remove(); |
|
return; |
|
} |
|
if(hasUserSuggestion) { |
|
$addition |
|
.data(metadata.value, value) |
|
.data(metadata.text, value) |
|
.attr('data-' + metadata.value, value) |
|
.attr('data-' + metadata.text, value) |
|
.removeClass(className.filtered) |
|
; |
|
if(!settings.hideAdditions) { |
|
html = settings.templates.addition( module.add.variables(message.addResult, value) ); |
|
$addition |
|
.html(html) |
|
; |
|
} |
|
module.verbose('Replacing user suggestion with new value', $addition); |
|
} |
|
else { |
|
$addition = module.create.userChoice(value); |
|
$addition |
|
.prependTo($menu) |
|
; |
|
module.verbose('Adding item choice to menu corresponding with user choice addition', $addition); |
|
} |
|
if(!settings.hideAdditions || module.is.allFiltered()) { |
|
$addition |
|
.addClass(className.selected) |
|
.siblings() |
|
.removeClass(className.selected) |
|
; |
|
} |
|
module.refreshItems(); |
|
}, |
|
variables: function(message, term) { |
|
var |
|
hasCount = (message.search('{count}') !== -1), |
|
hasMaxCount = (message.search('{maxCount}') !== -1), |
|
hasTerm = (message.search('{term}') !== -1), |
|
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 = term || module.get.query(); |
|
message = message.replace('{term}', query); |
|
} |
|
return message; |
|
}, |
|
value: function(addedValue, addedText, $selectedItem) { |
|
var |
|
currentValue = module.get.values(), |
|
newValue |
|
; |
|
if(module.has.value(addedValue)) { |
|
module.debug('Value already selected'); |
|
return; |
|
} |
|
if(addedValue === '') { |
|
module.debug('Cannot select blank values from multiselect'); |
|
return; |
|
} |
|
// extend current array |
|
if($.isArray(currentValue)) { |
|
newValue = currentValue.concat([addedValue]); |
|
newValue = module.get.uniqueArray(newValue); |
|
} |
|
else { |
|
newValue = [addedValue]; |
|
} |
|
// add values |
|
if( module.has.selectInput() ) { |
|
if(module.can.extendSelect()) { |
|
module.debug('Adding value to select', addedValue, newValue, $input); |
|
module.add.optionValue(addedValue); |
|
} |
|
} |
|
else { |
|
newValue = newValue.join(settings.delimiter); |
|
module.debug('Setting hidden input to delimited value', newValue, $input); |
|
} |
|
|
|
if(settings.fireOnInit === false && module.is.initialLoad()) { |
|
module.verbose('Skipping onadd callback on initial load', settings.onAdd); |
|
} |
|
else { |
|
settings.onAdd.call(element, addedValue, addedText, $selectedItem); |
|
} |
|
module.set.value(newValue, addedValue, addedText, $selectedItem); |
|
module.check.maxSelections(); |
|
}, |
|
}, |
|
|
|
remove: { |
|
active: function() { |
|
$module.removeClass(className.active); |
|
}, |
|
activeLabel: function() { |
|
$module.find(selector.label).removeClass(className.active); |
|
}, |
|
empty: function() { |
|
$module.removeClass(className.empty); |
|
}, |
|
loading: function() { |
|
$module.removeClass(className.loading); |
|
}, |
|
initialLoad: function() { |
|
initialLoad = false; |
|
}, |
|
upward: function($currentMenu) { |
|
var $element = $currentMenu || $module; |
|
$element.removeClass(className.upward); |
|
}, |
|
leftward: function($currentMenu) { |
|
var $element = $currentMenu || $menu; |
|
$element.removeClass(className.leftward); |
|
}, |
|
visible: function() { |
|
$module.removeClass(className.visible); |
|
}, |
|
activeItem: function() { |
|
$item.removeClass(className.active); |
|
}, |
|
filteredItem: function() { |
|
if(settings.useLabels && module.has.maxSelections() ) { |
|
return; |
|
} |
|
if(settings.useLabels && module.is.multiple()) { |
|
$item.not('.' + className.active).removeClass(className.filtered); |
|
} |
|
else { |
|
$item.removeClass(className.filtered); |
|
} |
|
module.remove.empty(); |
|
}, |
|
optionValue: function(value) { |
|
var |
|
escapedValue = module.escape.value(value), |
|
$option = $input.find('option[value="' + module.escape.string(escapedValue) + '"]'), |
|
hasOption = ($option.length > 0) |
|
; |
|
if(!hasOption || !$option.hasClass(className.addition)) { |
|
return; |
|
} |
|
// temporarily disconnect observer |
|
if(selectObserver) { |
|
selectObserver.disconnect(); |
|
module.verbose('Temporarily disconnecting mutation observer'); |
|
} |
|
$option.remove(); |
|
module.verbose('Removing user addition as an <option>', escapedValue); |
|
if(selectObserver) { |
|
selectObserver.observe($input[0], { |
|
childList : true, |
|
subtree : true |
|
}); |
|
} |
|
}, |
|
message: function() { |
|
$menu.children(selector.message).remove(); |
|
}, |
|
searchWidth: function() { |
|
$search.css('width', ''); |
|
}, |
|
searchTerm: function() { |
|
module.verbose('Cleared search term'); |
|
$search.val(''); |
|
module.set.filtered(); |
|
}, |
|
userAddition: function() { |
|
$item.filter(selector.addition).remove(); |
|
}, |
|
selected: function(value, $selectedItem) { |
|
$selectedItem = (settings.allowAdditions) |
|
? $selectedItem || module.get.itemWithAdditions(value) |
|
: $selectedItem || module.get.item(value) |
|
; |
|
|
|
if(!$selectedItem) { |
|
return false; |
|
} |
|
|
|
$selectedItem |
|
.each(function() { |
|
var |
|
$selected = $(this), |
|
selectedText = module.get.choiceText($selected), |
|
selectedValue = module.get.choiceValue($selected, selectedText) |
|
; |
|
if(module.is.multiple()) { |
|
if(settings.useLabels) { |
|
module.remove.value(selectedValue, selectedText, $selected); |
|
module.remove.label(selectedValue); |
|
} |
|
else { |
|
module.remove.value(selectedValue, selectedText, $selected); |
|
if(module.get.selectionCount() === 0) { |
|
module.set.placeholderText(); |
|
} |
|
else { |
|
module.set.text(module.add.variables(message.count)); |
|
} |
|
} |
|
} |
|
else { |
|
module.remove.value(selectedValue, selectedText, $selected); |
|
} |
|
$selected |
|
.removeClass(className.filtered) |
|
.removeClass(className.active) |
|
; |
|
if(settings.useLabels) { |
|
$selected.removeClass(className.selected); |
|
} |
|
}) |
|
; |
|
}, |
|
selectedItem: function() { |
|
$item.removeClass(className.selected); |
|
}, |
|
value: function(removedValue, removedText, $removedItem) { |
|
var |
|
values = module.get.values(), |
|
newValue |
|
; |
|
if( module.has.selectInput() ) { |
|
module.verbose('Input is <select> removing selected option', removedValue); |
|
newValue = module.remove.arrayValue(removedValue, values); |
|
module.remove.optionValue(removedValue); |
|
} |
|
else { |
|
module.verbose('Removing from delimited values', removedValue); |
|
newValue = module.remove.arrayValue(removedValue, values); |
|
newValue = newValue.join(settings.delimiter); |
|
} |
|
if(settings.fireOnInit === false && module.is.initialLoad()) { |
|
module.verbose('No callback on initial load', settings.onRemove); |
|
} |
|
else { |
|
settings.onRemove.call(element, removedValue, removedText, $removedItem); |
|
} |
|
module.set.value(newValue, removedText, $removedItem); |
|
module.check.maxSelections(); |
|
}, |
|
arrayValue: function(removedValue, values) { |
|
if( !$.isArray(values) ) { |
|
values = [values]; |
|
} |
|
values = $.grep(values, function(value){ |
|
return (removedValue != value); |
|
}); |
|
module.verbose('Removed value from delimited string', removedValue, values); |
|
return values; |
|
}, |
|
label: function(value, shouldAnimate) { |
|
var |
|
$labels = $module.find(selector.label), |
|
$removedLabel = $labels.filter('[data-' + metadata.value + '="' + module.escape.string(value) +'"]') |
|
; |
|
module.verbose('Removing label', $removedLabel); |
|
$removedLabel.remove(); |
|
}, |
|
activeLabels: function($activeLabels) { |
|
$activeLabels = $activeLabels || $module.find(selector.label).filter('.' + className.active); |
|
module.verbose('Removing active label selections', $activeLabels); |
|
module.remove.labels($activeLabels); |
|
}, |
|
labels: function($labels) { |
|
$labels = $labels || $module.find(selector.label); |
|
module.verbose('Removing labels', $labels); |
|
$labels |
|
.each(function(){ |
|
var |
|
$label = $(this), |
|
value = $label.data(metadata.value), |
|
stringValue = (value !== undefined) |
|
? String(value) |
|
: value, |
|
isUserValue = module.is.userValue(stringValue) |
|
; |
|
if(settings.onLabelRemove.call($label, value) === false) { |
|
module.debug('Label remove callback cancelled removal'); |
|
return; |
|
} |
|
module.remove.message(); |
|
if(isUserValue) { |
|
module.remove.value(stringValue); |
|
module.remove.label(stringValue); |
|
} |
|
else { |
|
// selected will also remove label |
|
module.remove.selected(stringValue); |
|
} |
|
}) |
|
; |
|
}, |
|
tabbable: function() { |
|
if( module.is.searchSelection() ) { |
|
module.debug('Searchable dropdown initialized'); |
|
$search |
|
.removeAttr('tabindex') |
|
; |
|
$menu |
|
.removeAttr('tabindex') |
|
; |
|
} |
|
else { |
|
module.debug('Simple selection dropdown initialized'); |
|
$module |
|
.removeAttr('tabindex') |
|
; |
|
$menu |
|
.removeAttr('tabindex') |
|
; |
|
} |
|
}, |
|
clearable: function() { |
|
$icon.removeClass(className.clear); |
|
} |
|
}, |
|
|
|
has: { |
|
menuSearch: function() { |
|
return (module.has.search() && $search.closest($menu).length > 0); |
|
}, |
|
search: function() { |
|
return ($search.length > 0); |
|
}, |
|
sizer: function() { |
|
return ($sizer.length > 0); |
|
}, |
|
selectInput: function() { |
|
return ( $input.is('select') ); |
|
}, |
|
minCharacters: function(searchTerm) { |
|
if(settings.minCharacters) { |
|
searchTerm = (searchTerm !== undefined) |
|
? String(searchTerm) |
|
: String(module.get.query()) |
|
; |
|
return (searchTerm.length >= settings.minCharacters); |
|
} |
|
return true; |
|
}, |
|
firstLetter: function($item, letter) { |
|
var |
|
text, |
|
firstLetter |
|
; |
|
if(!$item || $item.length === 0 || typeof letter !== 'string') { |
|
return false; |
|
} |
|
text = module.get.choiceText($item, false); |
|
letter = letter.toLowerCase(); |
|
firstLetter = String(text).charAt(0).toLowerCase(); |
|
return (letter == firstLetter); |
|
}, |
|
input: function() { |
|
return ($input.length > 0); |
|
}, |
|
items: function() { |
|
return ($item.length > 0); |
|
}, |
|
menu: function() { |
|
return ($menu.length > 0); |
|
}, |
|
message: function() { |
|
return ($menu.children(selector.message).length !== 0); |
|
}, |
|
label: function(value) { |
|
var |
|
escapedValue = module.escape.value(value), |
|
$labels = $module.find(selector.label) |
|
; |
|
if(settings.ignoreCase) { |
|
escapedValue = escapedValue.toLowerCase(); |
|
} |
|
return ($labels.filter('[data-' + metadata.value + '="' + module.escape.string(escapedValue) +'"]').length > 0); |
|
}, |
|
maxSelections: function() { |
|
return (settings.maxSelections && module.get.selectionCount() >= settings.maxSelections); |
|
}, |
|
allResultsFiltered: function() { |
|
var |
|
$normalResults = $item.not(selector.addition) |
|
; |
|
return ($normalResults.filter(selector.unselectable).length === $normalResults.length); |
|
}, |
|
userSuggestion: function() { |
|
return ($menu.children(selector.addition).length > 0); |
|
}, |
|
query: function() { |
|
return (module.get.query() !== ''); |
|
}, |
|
value: function(value) { |
|
return (settings.ignoreCase) |
|
? module.has.valueIgnoringCase(value) |
|
: module.has.valueMatchingCase(value) |
|
; |
|
}, |
|
valueMatchingCase: function(value) { |
|
var |
|
values = module.get.values(), |
|
hasValue = $.isArray(values) |
|
? values && ($.inArray(value, values) !== -1) |
|
: (values == value) |
|
; |
|
return (hasValue) |
|
? true |
|
: false |
|
; |
|
}, |
|
valueIgnoringCase: function(value) { |
|
var |
|
values = module.get.values(), |
|
hasValue = false |
|
; |
|
if(!$.isArray(values)) { |
|
values = [values]; |
|
} |
|
$.each(values, function(index, existingValue) { |
|
if(String(value).toLowerCase() == String(existingValue).toLowerCase()) { |
|
hasValue = true; |
|
return false; |
|
} |
|
}); |
|
return hasValue; |
|
} |
|
}, |
|
|
|
is: { |
|
active: function() { |
|
return $module.hasClass(className.active); |
|
}, |
|
animatingInward: function() { |
|
return $menu.transition('is inward'); |
|
}, |
|
animatingOutward: function() { |
|
return $menu.transition('is outward'); |
|
}, |
|
bubbledLabelClick: function(event) { |
|
return $(event.target).is('select, input') && $module.closest('label').length > 0; |
|
}, |
|
bubbledIconClick: function(event) { |
|
return $(event.target).closest($icon).length > 0; |
|
}, |
|
alreadySetup: function() { |
|
return ($module.is('select') && $module.parent(selector.dropdown).data(moduleNamespace) !== undefined && $module.prev().length === 0); |
|
}, |
|
animating: function($subMenu) { |
|
return ($subMenu) |
|
? $subMenu.transition && $subMenu.transition('is animating') |
|
: $menu.transition && $menu.transition('is animating') |
|
; |
|
}, |
|
leftward: function($subMenu) { |
|
var $selectedMenu = $subMenu || $menu; |
|
return $selectedMenu.hasClass(className.leftward); |
|
}, |
|
disabled: function() { |
|
return $module.hasClass(className.disabled); |
|
}, |
|
focused: function() { |
|
return (document.activeElement === $module[0]); |
|
}, |
|
focusedOnSearch: function() { |
|
return (document.activeElement === $search[0]); |
|
}, |
|
allFiltered: function() { |
|
return( (module.is.multiple() || module.has.search()) && !(settings.hideAdditions == false && module.has.userSuggestion()) && !module.has.message() && module.has.allResultsFiltered() ); |
|
}, |
|
hidden: function($subMenu) { |
|
return !module.is.visible($subMenu); |
|
}, |
|
initialLoad: function() { |
|
return initialLoad; |
|
}, |
|
inObject: function(needle, object) { |
|
var |
|
found = false |
|
; |
|
$.each(object, function(index, property) { |
|
if(property == needle) { |
|
found = true; |
|
return true; |
|
} |
|
}); |
|
return found; |
|
}, |
|
multiple: function() { |
|
return $module.hasClass(className.multiple); |
|
}, |
|
remote: function() { |
|
return settings.apiSettings && module.can.useAPI(); |
|
}, |
|
single: function() { |
|
return !module.is.multiple(); |
|
}, |
|
selectMutation: function(mutations) { |
|
var |
|
selectChanged = false |
|
; |
|
$.each(mutations, function(index, mutation) { |
|
if(mutation.target && $(mutation.target).is('select')) { |
|
selectChanged = true; |
|
return true; |
|
} |
|
}); |
|
return selectChanged; |
|
}, |
|
search: function() { |
|
return $module.hasClass(className.search); |
|
}, |
|
searchSelection: function() { |
|
return ( module.has.search() && $search.parent(selector.dropdown).length === 1 ); |
|
}, |
|
selection: function() { |
|
return $module.hasClass(className.selection); |
|
}, |
|
userValue: function(value) { |
|
return ($.inArray(value, module.get.userValues()) !== -1); |
|
}, |
|
upward: function($menu) { |
|
var $element = $menu || $module; |
|
return $element.hasClass(className.upward); |
|
}, |
|
visible: function($subMenu) { |
|
return ($subMenu) |
|
? $subMenu.hasClass(className.visible) |
|
: $menu.hasClass(className.visible) |
|
; |
|
}, |
|
verticallyScrollableContext: function() { |
|
var |
|
overflowY = ($context.get(0) !== window) |
|
? $context.css('overflow-y') |
|
: false |
|
; |
|
return (overflowY == 'auto' || overflowY == 'scroll'); |
|
}, |
|
horizontallyScrollableContext: function() { |
|
var |
|
overflowX = ($context.get(0) !== window) |
|
? $context.css('overflow-X') |
|
: false |
|
; |
|
return (overflowX == 'auto' || overflowX == 'scroll'); |
|
} |
|
}, |
|
|
|
can: { |
|
activate: function($item) { |
|
if(settings.useLabels) { |
|
return true; |
|
} |
|
if(!module.has.maxSelections()) { |
|
return true; |
|
} |
|
if(module.has.maxSelections() && $item.hasClass(className.active)) { |
|
return true; |
|
} |
|
return false; |
|
}, |
|
openDownward: function($subMenu) { |
|
var |
|
$currentMenu = $subMenu || $menu, |
|
canOpenDownward = true, |
|
onScreen = {}, |
|
calculations |
|
; |
|
$currentMenu |
|
.addClass(className.loading) |
|
; |
|
calculations = { |
|
context: { |
|
offset : ($context.get(0) === window) |
|
? { top: 0, left: 0} |
|
: $context.offset(), |
|
scrollTop : $context.scrollTop(), |
|
height : $context.outerHeight() |
|
}, |
|
menu : { |
|
offset: $currentMenu.offset(), |
|
height: $currentMenu.outerHeight() |
|
} |
|
}; |
|
if(module.is.verticallyScrollableContext()) { |
|
calculations.menu.offset.top += calculations.context.scrollTop; |
|
} |
|
onScreen = { |
|
above : (calculations.context.scrollTop) <= calculations.menu.offset.top - calculations.context.offset.top - calculations.menu.height, |
|
below : (calculations.context.scrollTop + calculations.context.height) >= calculations.menu.offset.top - calculations.context.offset.top + calculations.menu.height |
|
}; |
|
if(onScreen.below) { |
|
module.verbose('Dropdown can fit in context downward', onScreen); |
|
canOpenDownward = true; |
|
} |
|
else if(!onScreen.below && !onScreen.above) { |
|
module.verbose('Dropdown cannot fit in either direction, favoring downward', onScreen); |
|
canOpenDownward = true; |
|
} |
|
else { |
|
module.verbose('Dropdown cannot fit below, opening upward', onScreen); |
|
canOpenDownward = false; |
|
} |
|
$currentMenu.removeClass(className.loading); |
|
return canOpenDownward; |
|
}, |
|
openRightward: function($subMenu) { |
|
var |
|
$currentMenu = $subMenu || $menu, |
|
canOpenRightward = true, |
|
isOffscreenRight = false, |
|
calculations |
|
; |
|
$currentMenu |
|
.addClass(className.loading) |
|
; |
|
calculations = { |
|
context: { |
|
offset : ($context.get(0) === window) |
|
? { top: 0, left: 0} |
|
: $context.offset(), |
|
scrollLeft : $context.scrollLeft(), |
|
width : $context.outerWidth() |
|
}, |
|
menu: { |
|
offset : $currentMenu.offset(), |
|
width : $currentMenu.outerWidth() |
|
} |
|
}; |
|
if(module.is.horizontallyScrollableContext()) { |
|
calculations.menu.offset.left += calculations.context.scrollLeft; |
|
} |
|
isOffscreenRight = (calculations.menu.offset.left - calculations.context.offset.left + calculations.menu.width >= calculations.context.scrollLeft + calculations.context.width); |
|
if(isOffscreenRight) { |
|
module.verbose('Dropdown cannot fit in context rightward', isOffscreenRight); |
|
canOpenRightward = false; |
|
} |
|
$currentMenu.removeClass(className.loading); |
|
return canOpenRightward; |
|
}, |
|
click: function() { |
|
return (hasTouch || settings.on == 'click'); |
|
}, |
|
extendSelect: function() { |
|
return settings.allowAdditions || settings.apiSettings; |
|
}, |
|
show: function() { |
|
return !module.is.disabled() && (module.has.items() || module.has.message()); |
|
}, |
|
useAPI: function() { |
|
return $.fn.api !== undefined; |
|
} |
|
}, |
|
|
|
animate: { |
|
show: function(callback, $subMenu) { |
|
var |
|
$currentMenu = $subMenu || $menu, |
|
start = ($subMenu) |
|
? function() {} |
|
: function() { |
|
module.hideSubMenus(); |
|
module.hideOthers(); |
|
module.set.active(); |
|
}, |
|
transition |
|
; |
|
callback = $.isFunction(callback) |
|
? callback |
|
: function(){} |
|
; |
|
module.verbose('Doing menu show animation', $currentMenu); |
|
module.set.direction($subMenu); |
|
transition = module.get.transition($subMenu); |
|
if( module.is.selection() ) { |
|
module.set.scrollPosition(module.get.selectedItem(), true); |
|
} |
|
if( module.is.hidden($currentMenu) || module.is.animating($currentMenu) ) { |
|
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 : false, |
|
onStart : start, |
|
onComplete : function() { |
|
callback.call(element); |
|
} |
|
}) |
|
; |
|
} |
|
else { |
|
module.error(error.transition); |
|
} |
|
} |
|
} |
|
}, |
|
|
|
hideAndClear: function() { |
|
module.remove.searchTerm(); |
|
if( module.has.maxSelections() ) { |
|
return; |
|
} |
|
if(module.has.search()) { |
|
module.hide(function() { |
|
module.remove.filteredItem(); |
|
}); |
|
} |
|
else { |
|
module.hide(); |
|
} |
|
}, |
|
|
|
delay: { |
|
show: function() { |
|
module.verbose('Delaying show event to ensure user intent'); |
|
clearTimeout(module.timer); |
|
module.timer = setTimeout(module.show, settings.delay.show); |
|
}, |
|
hide: function() { |
|
module.verbose('Delaying hide event to ensure user intent'); |
|
clearTimeout(module.timer); |
|
module.timer = setTimeout(module.hide, settings.delay.hide); |
|
} |
|
}, |
|
|
|
escape: { |
|
value: function(value) { |
|
var |
|
multipleValues = $.isArray(value), |
|
stringValue = (typeof value === 'string'), |
|
isUnparsable = (!stringValue && !multipleValues), |
|
hasQuotes = (stringValue && value.search(regExp.quote) !== -1), |
|
values = [] |
|
; |
|
if(isUnparsable || !hasQuotes) { |
|
return value; |
|
} |
|
module.debug('Encoding quote values for use in select', value); |
|
if(multipleValues) { |
|
$.each(value, function(index, value){ |
|
values.push(value.replace(regExp.quote, '"')); |
|
}); |
|
return values; |
|
} |
|
return value.replace(regExp.quote, '"'); |
|
}, |
|
string: function(text) { |
|
text = String(text); |
|
return text.replace(regExp.escape, '\\$&'); |
|
} |
|
}, |
|
|
|
setting: function(name, value) { |
|
module.debug('Changing setting', name, value); |
|
if( $.isPlainObject(name) ) { |
|
$.extend(true, settings, name); |
|
} |
|
else if(value !== undefined) { |
|
if($.isPlainObject(settings[name])) { |
|
$.extend(true, settings[name], value); |
|
} |
|
else { |
|
settings[name] = value; |
|
} |
|
} |
|
else { |
|
return settings[name]; |
|
} |
|
}, |
|
internal: function(name, value) { |
|
if( $.isPlainObject(name) ) { |
|
$.extend(true, module, name); |
|
} |
|
else if(value !== undefined) { |
|
module[name] = value; |
|
} |
|
else { |
|
return module[name]; |
|
} |
|
}, |
|
debug: function() { |
|
if(!settings.silent && settings.debug) { |
|
if(settings.performance) { |
|
module.performance.log(arguments); |
|
} |
|
else { |
|
module.debug = Function.prototype.bind.call(console.info, console, settings.name + ':'); |
|
module.debug.apply(console, arguments); |
|
} |
|
} |
|
}, |
|
verbose: function() { |
|
if(!settings.silent && settings.verbose && settings.debug) { |
|
if(settings.performance) { |
|
module.performance.log(arguments); |
|
} |
|
else { |
|
module.verbose = Function.prototype.bind.call(console.info, console, settings.name + ':'); |
|
module.verbose.apply(console, arguments); |
|
} |
|
} |
|
}, |
|
error: function() { |
|
if(!settings.silent) { |
|
module.error = Function.prototype.bind.call(console.error, console, settings.name + ':'); |
|
module.error.apply(console, arguments); |
|
} |
|
}, |
|
performance: { |
|
log: function(message) { |
|
var |
|
currentTime, |
|
executionTime, |
|
previousTime |
|
; |
|
if(settings.performance) { |
|
currentTime = new Date().getTime(); |
|
previousTime = time || currentTime; |
|
executionTime = currentTime - previousTime; |
|
time = currentTime; |
|
performance.push({ |
|
'Name' : message[0], |
|
'Arguments' : [].slice.call(message, 1) || '', |
|
'Element' : element, |
|
'Execution Time' : executionTime |
|
}); |
|
} |
|
clearTimeout(module.performance.timer); |
|
module.performance.timer = setTimeout(module.performance.display, 500); |
|
}, |
|
display: function() { |
|
var |
|
title = settings.name + ':', |
|
totalTime = 0 |
|
; |
|
time = false; |
|
clearTimeout(module.performance.timer); |
|
$.each(performance, function(index, data) { |
|
totalTime += data['Execution Time']; |
|
}); |
|
title += ' ' + totalTime + 'ms'; |
|
if(moduleSelector) { |
|
title += ' \'' + moduleSelector + '\''; |
|
} |
|
if( (console.group !== undefined || console.table !== undefined) && performance.length > 0) { |
|
console.groupCollapsed(title); |
|
if(console.table) { |
|
console.table(performance); |
|
} |
|
else { |
|
$.each(performance, function(index, data) { |
|
console.log(data['Name'] + ': ' + data['Execution Time']+'ms'); |
|
}); |
|
} |
|
console.groupEnd(); |
|
} |
|
performance = []; |
|
} |
|
}, |
|
invoke: function(query, passedArguments, context) { |
|
var |
|
object = instance, |
|
maxDepth, |
|
found, |
|
response |
|
; |
|
passedArguments = passedArguments || queryArguments; |
|
context = element || context; |
|
if(typeof query == 'string' && object !== undefined) { |
|
query = query.split(/[\. ]/); |
|
maxDepth = query.length - 1; |
|
$.each(query, function(depth, value) { |
|
var camelCaseValue = (depth != maxDepth) |
|
? value + query[depth + 1].charAt(0).toUpperCase() + query[depth + 1].slice(1) |
|
: query |
|
; |
|
if( $.isPlainObject( object[camelCaseValue] ) && (depth != maxDepth) ) { |
|
object = object[camelCaseValue]; |
|
} |
|
else if( object[camelCaseValue] !== undefined ) { |
|
found = object[camelCaseValue]; |
|
return false; |
|
} |
|
else if( $.isPlainObject( object[value] ) && (depth != maxDepth) ) { |
|
object = object[value]; |
|
} |
|
else if( object[value] !== undefined ) { |
|
found = object[value]; |
|
return false; |
|
} |
|
else { |
|
module.error(error.method, query); |
|
return false; |
|
} |
|
}); |
|
} |
|
if ( $.isFunction( found ) ) { |
|
response = found.apply(context, passedArguments); |
|
} |
|
else if(found !== undefined) { |
|
response = found; |
|
} |
|
if($.isArray(returnedValue)) { |
|
returnedValue.push(response); |
|
} |
|
else if(returnedValue !== undefined) { |
|
returnedValue = [returnedValue, response]; |
|
} |
|
else if(response !== undefined) { |
|
returnedValue = response; |
|
} |
|
return found; |
|
} |
|
}; |
|
|
|
if(methodInvoked) { |
|
if(instance === undefined) { |
|
module.initialize(); |
|
} |
|
module.invoke(query); |
|
} |
|
else { |
|
if(instance !== undefined) { |
|
instance.invoke('destroy'); |
|
} |
|
module.initialize(); |
|
} |
|
}) |
|
; |
|
return (returnedValue !== undefined) |
|
? returnedValue |
|
: $allModules |
|
; |
|
}; |
|
|
|
$.fn.dropdown.settings = { |
|
|
|
silent : false, |
|
debug : false, |
|
verbose : false, |
|
performance : true, |
|
|
|
on : 'click', // what event should show menu action on item selection |
|
action : 'activate', // action on item selection (nothing, activate, select, combo, hide, function(){}) |
|
|
|
values : false, // specify values to use for dropdown |
|
|
|
clearable : false, // whether the value of the dropdown can be cleared |
|
|
|
apiSettings : false, |
|
selectOnKeydown : true, // Whether selection should occur automatically when keyboard shortcuts used |
|
minCharacters : 0, // Minimum characters required to trigger API call |
|
|
|
filterRemoteData : false, // Whether API results should be filtered after being returned for query term |
|
saveRemoteData : true, // Whether remote name/value pairs should be stored in sessionStorage to allow remote data to be restored on page refresh |
|
|
|
throttle : 200, // How long to wait after last user input to search remotely |
|
|
|
context : window, // Context to use when determining if on screen |
|
direction : 'auto', // Whether dropdown should always open in one direction |
|
keepOnScreen : true, // Whether dropdown should check whether it is on screen before showing |
|
|
|
match : 'both', // what to match against with search selection (both, text, or label) |
|
fullTextSearch : false, // search anywhere in value (set to 'exact' to require exact matches) |
|
|
|
placeholder : 'auto', // whether to convert blank <select> values to placeholder text |
|
preserveHTML : true, // preserve html when selecting value |
|
sortSelect : false, // sort selection on init |
|
|
|
forceSelection : true, // force a choice on blur with search selection |
|
|
|
allowAdditions : false, // whether multiple select should allow user added values |
|
ignoreCase : false, // whether to consider values not matching in case to be the same |
|
hideAdditions : true, // whether or not to hide special message prompting a user they can enter a value |
|
|
|
maxSelections : false, // When set to a number limits the number of selections to this count |
|
useLabels : true, // whether multiple select should filter currently active selections from choices |
|
delimiter : ',', // when multiselect uses normal <input> the values will be delimited with this character |
|
|
|
showOnFocus : true, // show menu on focus |
|
allowReselection : false, // whether current value should trigger callbacks when reselected |
|
allowTab : true, // add tabindex to element |
|
allowCategorySelection : false, // allow elements with sub-menus to be selected |
|
|
|
fireOnInit : false, // Whether callbacks should fire when initializing dropdown values |
|
|
|
transition : 'auto', // auto transition will slide down or up based on direction |
|
duration : 200, // duration of transition |
|
|
|
glyphWidth : 1.037, // widest glyph width in em (W is 1.037 em) used to calculate multiselect input width |
|
|
|
// label settings on multi-select |
|
label: { |
|
transition : 'scale', |
|
duration : 200, |
|
variation : false |
|
}, |
|
|
|
// delay before event |
|
delay : { |
|
hide : 300, |
|
show : 200, |
|
search : 20, |
|
touch : 50 |
|
}, |
|
|
|
/* Callbacks */ |
|
onChange : function(value, text, $selected){}, |
|
onAdd : function(value, text, $selected){}, |
|
onRemove : function(value, text, $selected){}, |
|
|
|
onLabelSelect : function($selectedLabels){}, |
|
onLabelCreate : function(value, text) { return $(this); }, |
|
onLabelRemove : function(value) { return true; }, |
|
onNoResults : function(searchTerm) { return true; }, |
|
onShow : function(){}, |
|
onHide : function(){}, |
|
|
|
/* Component */ |
|
name : 'Dropdown', |
|
namespace : 'dropdown', |
|
|
|
message: { |
|
addResult : 'Add <b>{term}</b>', |
|
count : '{count} selected', |
|
maxSelections : 'Max {maxCount} selections', |
|
noResults : 'No results found.', |
|
serverError : 'There was an error contacting the server' |
|
}, |
|
|
|
error : { |
|
action : 'You called a dropdown action that was not defined', |
|
alreadySetup : 'Once a select has been initialized behaviors must be called on the created ui dropdown', |
|
labels : 'Allowing user additions currently requires the use of labels.', |
|
missingMultiple : '<select> requires multiple property to be set to correctly preserve multiple values', |
|
method : 'The method you called is not defined.', |
|
noAPI : 'The API module is required to load resources remotely', |
|
noStorage : 'Saving remote data requires session storage', |
|
noTransition : 'This module requires ui transitions <https://github.com/Semantic-Org/UI-Transition>' |
|
}, |
|
|
|
regExp : { |
|
escape : /[-[\]{}()*+?.,\\^$|#\s]/g, |
|
quote : /"/g |
|
}, |
|
|
|
metadata : { |
|
defaultText : 'defaultText', |
|
defaultValue : 'defaultValue', |
|
placeholderText : 'placeholder', |
|
text : 'text', |
|
value : 'value' |
|
}, |
|
|
|
// property names for remote query |
|
fields: { |
|
remoteValues : 'results', // grouping for api results |
|
values : 'values', // grouping for all dropdown values |
|
disabled : 'disabled', // whether value should be disabled |
|
name : 'name', // displayed dropdown text |
|
value : 'value', // actual dropdown value |
|
text : 'text' // displayed text when selected |
|
}, |
|
|
|
keys : { |
|
backspace : 8, |
|
delimiter : 188, // comma |
|
deleteKey : 46, |
|
enter : 13, |
|
escape : 27, |
|
pageUp : 33, |
|
pageDown : 34, |
|
leftArrow : 37, |
|
upArrow : 38, |
|
rightArrow : 39, |
|
downArrow : 40 |
|
}, |
|
|
|
selector : { |
|
addition : '.addition', |
|
dropdown : '.ui.dropdown', |
|
hidden : '.hidden', |
|
icon : '> .dropdown.icon', |
|
input : '> input[type="hidden"], > select', |
|
item : '.item', |
|
label : '> .label', |
|
remove : '> .label > .delete.icon', |
|
siblingLabel : '.label', |
|
menu : '.menu', |
|
message : '.message', |
|
menuIcon : '.dropdown.icon', |
|
search : 'input.search, .menu > .search > input, .menu input.search', |
|
sizer : '> input.sizer', |
|
text : '> .text:not(.icon)', |
|
unselectable : '.disabled, .filtered' |
|
}, |
|
|
|
className : { |
|
active : 'active', |
|
addition : 'addition', |
|
animating : 'animating', |
|
clear : 'clear', |
|
disabled : 'disabled', |
|
empty : 'empty', |
|
dropdown : 'ui dropdown', |
|
filtered : 'filtered', |
|
hidden : 'hidden transition', |
|
item : 'item', |
|
label : 'ui label', |
|
loading : 'loading', |
|
menu : 'menu', |
|
message : 'message', |
|
multiple : 'multiple', |
|
placeholder : 'default', |
|
sizer : 'sizer', |
|
search : 'search', |
|
selected : 'selected', |
|
selection : 'selection', |
|
upward : 'upward', |
|
leftward : 'left', |
|
visible : 'visible' |
|
} |
|
|
|
}; |
|
|
|
/* 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, fields) { |
|
var |
|
values = response[fields.values] || {}, |
|
html = '' |
|
; |
|
$.each(values, function(index, option) { |
|
var |
|
maybeText = (option[fields.text]) |
|
? 'data-text="' + option[fields.text] + '"' |
|
: '', |
|
maybeDisabled = (option[fields.disabled]) |
|
? 'disabled ' |
|
: '' |
|
; |
|
html += '<div class="'+ maybeDisabled +'item" data-value="' + option[fields.value] + '"' + maybeText + '>'; |
|
html += option[fields.name]; |
|
html += '</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 );
|
|
|