| /*! |
| * # Semantic UI - Dropdown |
| * http://github.com/semantic-org/semantic-ui/ |
| * |
| * |
| * Released under the MIT license |
| * http://opensource.org/licenses/MIT |
| * |
| */ |
| |
| ;(function ($, window, document, undefined) { |
| |
| "use strict"; |
| |
| window = (typeof window != 'undefined' && window.Math == Math) |
| ? window |
| : (typeof self != 'undefined' && self.Math == Math) |
| ? self |
| : Function('return this')() |
| ; |
| |
| $.fn.dropdown = function(parameters) { |
| var |
| $allModules = $(this), |
| $document = $(document), |
| |
| moduleSelector = $allModules.selector || '', |
| |
| hasTouch = ('ontouchstart' in document.documentElement), |
| time = new Date().getTime(), |
| performance = [], |
| |
| query = arguments[0], |
| methodInvoked = (typeof query == 'string'), |
| queryArguments = [].slice.call(arguments, 1), |
| returnedValue |
| ; |
| |
| $allModules |
| .each(function(elementIndex) { |
| var |
| settings = ( $.isPlainObject(parameters) ) |
| ? $.extend(true, {}, $.fn.dropdown.settings, parameters) |
| : $.extend({}, $.fn.dropdown.settings), |
| |
| className = settings.className, |
| message = settings.message, |
| fields = settings.fields, |
| keys = settings.keys, |
| metadata = settings.metadata, |
| namespace = settings.namespace, |
| regExp = settings.regExp, |
| selector = settings.selector, |
| error = settings.error, |
| templates = settings.templates, |
| |
| eventNamespace = '.' + namespace, |
| moduleNamespace = 'module-' + namespace, |
| |
| $module = $(this), |
| $context = $(settings.context), |
| $text = $module.find(selector.text), |
| $search = $module.find(selector.search), |
| $sizer = $module.find(selector.sizer), |
| $input = $module.find(selector.input), |
| $icon = $module.find(selector.icon), |
| |
| $combo = ($module.prev().find(selector.text).length > 0) |
| ? $module.prev().find(selector.text) |
| : $module.prev(), |
| |
| $menu = $module.children(selector.menu), |
| $item = $menu.find(selector.item), |
| |
| activated = false, |
| itemActivated = false, |
| internalChange = false, |
| element = this, |
| instance = $module.data(moduleNamespace), |
| |
| initialLoad, |
| pageLostFocus, |
| willRefocus, |
| elementNamespace, |
| id, |
| selectObserver, |
| menuObserver, |
| module |
| ; |
| |
| module = { |
| |
| initialize: function() { |
| module.debug('Initializing dropdown', settings); |
| |
| if( module.is.alreadySetup() ) { |
| module.setup.reference(); |
| } |
| else { |
| module.setup.layout(); |
| module.refreshData(); |
| |
| module.save.defaults(); |
| module.restore.selected(); |
| |
| module.create.id(); |
| module.bind.events(); |
| |
| module.observeChanges(); |
| module.instantiate(); |
| } |
| |
| }, |
| |
| instantiate: function() { |
| module.verbose('Storing instance of dropdown', module); |
| instance = module; |
| $module |
| .data(moduleNamespace, module) |
| ; |
| }, |
| |
| destroy: function() { |
| module.verbose('Destroying previous dropdown', $module); |
| module.remove.tabbable(); |
| $module |
| .off(eventNamespace) |
| .removeData(moduleNamespace) |
| ; |
| $menu |
| .off(eventNamespace) |
| ; |
| $document |
| .off(elementNamespace) |
| ; |
| module.disconnect.menuObserver(); |
| module.disconnect.selectObserver(); |
| }, |
| |
| observeChanges: function() { |
| if('MutationObserver' in window) { |
| selectObserver = new MutationObserver(module.event.select.mutation); |
| menuObserver = new MutationObserver(module.event.menu.mutation); |
| module.debug('Setting up mutation observer', selectObserver, menuObserver); |
| module.observe.select(); |
| module.observe.menu(); |
| } |
| }, |
| |
| disconnect: { |
| menuObserver: function() { |
| if(menuObserver) { |
| menuObserver.disconnect(); |
| } |
| }, |
| selectObserver: function() { |
| if(selectObserver) { |
| selectObserver.disconnect(); |
| } |
| } |
| }, |
| observe: { |
| select: function() { |
| if(module.has.input()) { |
| selectObserver.observe($input[0], { |
| childList : true, |
| subtree : true |
| }); |
| } |
| }, |
| menu: function() { |
| if(module.has.menu()) { |
| menuObserver.observe($menu[0], { |
| childList : true, |
| subtree : true |
| }); |
| } |
| } |
| }, |
| |
| create: { |
| id: function() { |
| id = (Math.random().toString(16) + '000000000').substr(2, 8); |
| elementNamespace = '.' + id; |
| module.verbose('Creating unique id for element', id); |
| }, |
| userChoice: function(values) { |
| var |
| $userChoices, |
| $userChoice, |
| isUserValue, |
| html |
| ; |
| values = values || module.get.userValues(); |
| if(!values) { |
| return false; |
| } |
| values = $.isArray(values) |
| ? values |
| : [values] |
| ; |
| $.each(values, function(index, value) { |
| if(module.get.item(value) === false) { |
| html = settings.templates.addition( module.add.variables(message.addResult, value) ); |
| $userChoice = $('<div />') |
| .html(html) |
| .attr('data-' + metadata.value, value) |
| .attr('data-' + metadata.text, value) |
| .addClass(className.addition) |
| .addClass(className.item) |
| ; |
| if(settings.hideAdditions) { |
| $userChoice.addClass(className.hidden); |
| } |
| $userChoices = ($userChoices === undefined) |
| ? $userChoice |
| : $userChoices.add($userChoice) |
| ; |
| module.verbose('Creating user choices for value', value, $userChoice); |
| } |
| }); |
| return $userChoices; |
| }, |
| userLabels: function(value) { |
| var |
| userValues = module.get.userValues() |
| ; |
| if(userValues) { |
| module.debug('Adding user labels', userValues); |
| $.each(userValues, function(index, value) { |
| module.verbose('Adding custom user value'); |
| module.add.label(value, value); |
| }); |
| } |
| }, |
| menu: function() { |
| $menu = $('<div />') |
| .addClass(className.menu) |
| .appendTo($module) |
| ; |
| }, |
| sizer: function() { |
| $sizer = $('<span />') |
| .addClass(className.sizer) |
| .insertAfter($search) |
| ; |
| } |
| }, |
| |
| search: function(query) { |
| query = (query !== undefined) |
| ? query |
| : module.get.query() |
| ; |
| module.verbose('Searching for query', query); |
| if(module.has.minCharacters(query)) { |
| module.filter(query); |
| } |
| else { |
| module.hide(); |
| } |
| }, |
| |
| select: { |
| firstUnfiltered: function() { |
| module.verbose('Selecting first non-filtered element'); |
| module.remove.selectedItem(); |
| $item |
| .not(selector.unselectable) |
| .not(selector.addition + selector.hidden) |
| .eq(0) |
| .addClass(className.selected) |
| ; |
| }, |
| nextAvailable: function($selected) { |
| $selected = $selected.eq(0); |
| var |
| $nextAvailable = $selected.nextAll(selector.item).not(selector.unselectable).eq(0), |
| $prevAvailable = $selected.prevAll(selector.item).not(selector.unselectable).eq(0), |
| hasNext = ($nextAvailable.length > 0) |
| ; |
| if(hasNext) { |
| module.verbose('Moving selection to', $nextAvailable); |
| $nextAvailable.addClass(className.selected); |
| } |
| else { |
| module.verbose('Moving selection to', $prevAvailable); |
| $prevAvailable.addClass(className.selected); |
| } |
| } |
| }, |
| |
| setup: { |
| api: function() { |
| var |
| apiSettings = { |
| debug : settings.debug, |
| urlData : { |
| value : module.get.value(), |
| query : module.get.query() |
| }, |
| on : false |
| } |
| ; |
| module.verbose('First request, initializing API'); |
| $module |
| .api(apiSettings) |
| ; |
| }, |
| layout: function() { |
| if( $module.is('select') ) { |
| module.setup.select(); |
| module.setup.returnedObject(); |
| } |
| if( !module.has.menu() ) { |
| module.create.menu(); |
| } |
| if( module.is.search() && !module.has.search() ) { |
| module.verbose('Adding search input'); |
| $search = $('<input />') |
| .addClass(className.search) |
| .prop('autocomplete', 'off') |
| .insertBefore($text) |
| ; |
| } |
| if( module.is.multiple() && module.is.searchSelection() && !module.has.sizer()) { |
| module.create.sizer(); |
| } |
| if(settings.allowTab) { |
| module.set.tabbable(); |
| } |
| }, |
| select: function() { |
| var |
| selectValues = module.get.selectValues() |
| ; |
| module.debug('Dropdown initialized on a select', selectValues); |
| if( $module.is('select') ) { |
| $input = $module; |
| } |
| // see if select is placed correctly already |
| if($input.parent(selector.dropdown).length > 0) { |
| module.debug('UI dropdown already exists. Creating dropdown menu only'); |
| $module = $input.closest(selector.dropdown); |
| if( !module.has.menu() ) { |
| module.create.menu(); |
| } |
| $menu = $module.children(selector.menu); |
| module.setup.menu(selectValues); |
| } |
| else { |
| module.debug('Creating entire dropdown from select'); |
| $module = $('<div />') |
| .attr('class', $input.attr('class') ) |
| .addClass(className.selection) |
| .addClass(className.dropdown) |
| .html( templates.dropdown(selectValues) ) |
| .insertBefore($input) |
| ; |
| if($input.hasClass(className.multiple) && $input.prop('multiple') === false) { |
| module.error(error.missingMultiple); |
| $input.prop('multiple', true); |
| } |
| if($input.is('[multiple]')) { |
| module.set.multiple(); |
| } |
| if ($input.prop('disabled')) { |
| module.debug('Disabling dropdown'); |
| $module.addClass(className.disabled); |
| } |
| $input |
| .removeAttr('class') |
| .detach() |
| .prependTo($module) |
| ; |
| } |
| module.refresh(); |
| }, |
| menu: function(values) { |
| $menu.html( templates.menu(values, fields)); |
| $item = $menu.find(selector.item); |
| }, |
| reference: function() { |
| module.debug('Dropdown behavior was called on select, replacing with closest dropdown'); |
| // replace module reference |
| $module = $module.parent(selector.dropdown); |
| module.refresh(); |
| module.setup.returnedObject(); |
| // invoke method in context of current instance |
| if(methodInvoked) { |
| instance = module; |
| module.invoke(query); |
| } |
| }, |
| returnedObject: function() { |
| var |
| $firstModules = $allModules.slice(0, elementIndex), |
| $lastModules = $allModules.slice(elementIndex + 1) |
| ; |
| // adjust all modules to use correct reference |
| $allModules = $firstModules.add($module).add($lastModules); |
| } |
| }, |
| |
| refresh: function() { |
| module.refreshSelectors(); |
| module.refreshData(); |
| }, |
| |
| refreshItems: function() { |
| $item = $menu.find(selector.item); |
| }, |
| |
| refreshSelectors: function() { |
| module.verbose('Refreshing selector cache'); |
| $text = $module.find(selector.text); |
| $search = $module.find(selector.search); |
| $input = $module.find(selector.input); |
| $icon = $module.find(selector.icon); |
| $combo = ($module.prev().find(selector.text).length > 0) |
| ? $module.prev().find(selector.text) |
| : $module.prev() |
| ; |
| $menu = $module.children(selector.menu); |
| $item = $menu.find(selector.item); |
| }, |
| |
| refreshData: function() { |
| module.verbose('Refreshing cached metadata'); |
| $item |
| .removeData(metadata.text) |
| .removeData(metadata.value) |
| ; |
| }, |
| |
| clearData: function() { |
| module.verbose('Clearing metadata'); |
| $item |
| .removeData(metadata.text) |
| .removeData(metadata.value) |
| ; |
| $module |
| .removeData(metadata.defaultText) |
| .removeData(metadata.defaultValue) |
| .removeData(metadata.placeholderText) |
| ; |
| }, |
| |
| toggle: function() { |
| module.verbose('Toggling menu visibility'); |
| if( !module.is.active() ) { |
| module.show(); |
| } |
| else { |
| module.hide(); |
| } |
| }, |
| |
| show: function(callback) { |
| callback = $.isFunction(callback) |
| ? callback |
| : function(){} |
| ; |
| if( module.can.show() && !module.is.active() ) { |
| module.debug('Showing dropdown'); |
| if(module.has.message() && !(module.has.maxSelections() || module.has.allResultsFiltered()) ) { |
| module.remove.message(); |
| } |
| if(module.is.allFiltered()) { |
| return true; |
| } |
| if(settings.onShow.call(element) !== false) { |
| module.animate.show(function() { |
| if( module.can.click() ) { |
| module.bind.intent(); |
| } |
| if(module.has.menuSearch()) { |
| module.focusSearch(); |
| } |
| module.set.visible(); |
| callback.call(element); |
| }); |
| } |
| } |
| }, |
| |
| hide: function(callback) { |
| callback = $.isFunction(callback) |
| ? callback |
| : function(){} |
| ; |
| if( module.is.active() ) { |
| module.debug('Hiding dropdown'); |
| if(settings.onHide.call(element) !== false) { |
| module.animate.hide(function() { |
| module.remove.visible(); |
| callback.call(element); |
| }); |
| } |
| } |
| }, |
| |
| hideOthers: function() { |
| module.verbose('Finding other dropdowns to hide'); |
| $allModules |
| .not($module) |
| .has(selector.menu + '.' + className.visible) |
| .dropdown('hide') |
| ; |
| }, |
| |
| hideMenu: function() { |
| module.verbose('Hiding menu instantaneously'); |
| module.remove.active(); |
| module.remove.visible(); |
| $menu.transition('hide'); |
| }, |
| |
| hideSubMenus: function() { |
| var |
| $subMenus = $menu.children(selector.item).find(selector.menu) |
| ; |
| module.verbose('Hiding sub menus', $subMenus); |
| $subMenus.transition('hide'); |
| }, |
| |
| bind: { |
| events: function() { |
| if(hasTouch) { |
| 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 |
| .on('touchstart' + eventNamespace, module.event.test.toggle) |
| ; |
| } |
| $menu |
| .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, selector.icon, module.event.icon.click) |
| .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('mousedown' + eventNamespace, module.event.mousedown) |
| .on('mouseup' + eventNamespace, module.event.mouseup) |
| .on('focus' + eventNamespace, module.event.focus) |
| .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(); |
| } |
| 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() { |
| 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) { |
| module.remove.message(); |
| module.setup.menu({ |
| values: response[fields.remoteValues] |
| }); |
| 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.regExp(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 && 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.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(); |
| } |
| } |
| }, |
| |
| 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(!willRefocus) { |
| if(!itemActivated && !pageLostFocus) { |
| if(settings.forceSelection) { |
| module.forceSelection(); |
| } |
| module.hide(); |
| } |
| } |
| willRefocus = false; |
| } |
| }, |
| icon: { |
| click: function(event) { |
| 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'); |
| module.setup.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) |
| ; |
| 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.select.firstUnfiltered(); |
| 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, $(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); |
| module.hideAndClear(); |
| } |
| |
| }, |
| |
| get: { |
| id: function() { |
| return id; |
| }, |
| defaultText: function() { |
| return $module.data(metadata.defaultText); |
| }, |
| defaultValue: function() { |
| return $module.data(metadata.defaultValue); |
| }, |
| placeholderText: function() { |
| 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.has.search() ) { |
| module.debug('Added tabindex to searchable dropdown'); |
| $search |
| .val('') |
| .attr('tabindex', 0) |
| ; |
| $menu |
| .attr('tabindex', -1) |
| ; |
| } |
| else { |
| module.debug('Added tabindex to dropdown'); |
| if( $module.attr('tabindex') === 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($item), |
| text = module.get.choiceText($item, false) |
| ; |
| module.debug('Setting user selection to item', $item); |
| module.remove.activeItem(); |
| module.set.partialSearch(text); |
| module.set.activeItem($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($menu) { |
| if(settings.direction == 'auto') { |
| if(module.is.onScreen($menu)) { |
| module.remove.upward($menu); |
| } |
| else { |
| module.set.upward($menu); |
| } |
| } |
| else if(settings.direction == 'upward') { |
| module.set.upward($menu); |
| } |
| }, |
| upward: function($menu) { |
| var $element = $menu || $module; |
| $element.addClass(className.upward); |
| }, |
| value: function(value, text, $selected) { |
| var |
| escapedValue = module.escape.value(value), |
| hasInput = ($input.length > 0), |
| isAddition = !module.has.value(value), |
| 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(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.value(selectedValue, selectedText, $selected); |
| module.add.label(selectedValue, selectedText, shouldAnimate); |
| module.set.activeItem($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) |
| ; |
| } |
| }) |
| ; |
| } |
| }, |
| |
| add: { |
| label: function(value, text, shouldAnimate) { |
| var |
| $next = module.is.searchSelection() |
| ? $search |
| : $text, |
| escapedValue = module.escape.value(value), |
| $label |
| ; |
| $label = $('<a />') |
| .addClass(className.label) |
| .attr('data-value', escapedValue) |
| .html(templates.label(escapedValue, text)) |
| ; |
| $label = settings.onLabelCreate.call($label, escapedValue, text); |
| |
| if(module.has.label(value)) { |
| module.debug('Label 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 = $input.find('option[value="' + escapedValue + '"]'), |
| hasOption = ($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, $selectedItem) { |
| var |
| currentValue = module.get.values(), |
| newValue |
| ; |
| if(addedValue === '') { |
| module.debug('Cannot select blank values from multiselect'); |
| return; |
| } |
| // extend current array |
| if($.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() { |
| $module.removeClass(className.loading); |
| }, |
| initialLoad: function() { |
| initialLoad = false; |
| }, |
| upward: function($menu) { |
| var $element = $menu || $module; |
| $element.removeClass(className.upward); |
| }, |
| 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 = $input.find('option[value="' + escapedValue + '"]'), |
| hasOption = ($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-value="' + 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.has.search() ) { |
| module.debug('Searchable dropdown initialized'); |
| $search |
| .removeAttr('tabindex') |
| ; |
| $menu |
| .removeAttr('tabindex') |
| ; |
| } |
| else { |
| module.debug('Simple selection dropdown initialized'); |
| $module |
| .removeAttr('tabindex') |
| ; |
| $menu |
| .removeAttr('tabindex') |
| ; |
| } |
| } |
| }, |
| |
| 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 = $module.find(selector.label) |
| ; |
| return ($labels.filter('[data-value="' + 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) { |
| var |
| values = module.get.values(), |
| hasValue = $.isArray(values) |
| ? values && ($.inArray(value, values) !== -1) |
| : (values == value) |
| ; |
| return (hasValue) |
| ? true |
| : false |
| ; |
| } |
| }, |
| |
| is: { |
| active: function() { |
| return $module.hasClass(className.active); |
| }, |
| 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).length > 0 && $module.prev().length === 0); |
| }, |
| animating: function($subMenu) { |
| return ($subMenu) |
| ? $subMenu.transition && $subMenu.transition('is animating') |
| : $menu.transition && $menu.transition('is animating') |
| ; |
| }, |
| 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($subMenu); |
| }, |
| initialLoad: function() { |
| return initialLoad; |
| }, |
| onScreen: function($subMenu) { |
| var |
| $currentMenu = $subMenu || $menu, |
| canOpenDownward = true, |
| onScreen = {}, |
| calculations |
| ; |
| $currentMenu.addClass(className.loading); |
| calculations = { |
| context: { |
| scrollTop : $context.scrollTop(), |
| height : $context.outerHeight() |
| }, |
| menu : { |
| offset: $currentMenu.offset(), |
| height: $currentMenu.outerHeight() |
| } |
| }; |
| onScreen = { |
| above : (calculations.context.scrollTop) <= calculations.menu.offset.top - calculations.menu.height, |
| below : (calculations.context.scrollTop + calculations.context.height) >= calculations.menu.offset.top + calculations.menu.height |
| }; |
| if(onScreen.below) { |
| module.verbose('Dropdown can fit in context downward', onScreen); |
| canOpenDownward = true; |
| } |
| else if(!onScreen.below && !onScreen.above) { |
| module.verbose('Dropdown cannot fit in either direction, favoring downward', onScreen); |
| canOpenDownward = true; |
| } |
| else { |
| module.verbose('Dropdown cannot fit below, opening upward', onScreen); |
| canOpenDownward = false; |
| } |
| $currentMenu.removeClass(className.loading); |
| return canOpenDownward; |
| }, |
| inObject: function(needle, object) { |
| var |
| found = false |
| ; |
| $.each(object, function(index, property) { |
| if(property == needle) { |
| found = true; |
| return true; |
| } |
| }); |
| return found; |
| }, |
| multiple: function() { |
| return $module.hasClass(className.multiple); |
| }, |
| single: function() { |
| return !module.is.multiple(); |
| }, |
| selectMutation: function(mutations) { |
| var |
| selectChanged = false |
| ; |
| $.each(mutations, function(index, mutation) { |
| if(mutation.target && $(mutation.target).is('select')) { |
| selectChanged = true; |
| return true; |
| } |
| }); |
| return selectChanged; |
| }, |
| search: function() { |
| return $module.hasClass(className.search); |
| }, |
| searchSelection: function() { |
| return ( module.has.search() && $search.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) |
| : $menu.hasClass(className.visible) |
| ; |
| } |
| }, |
| |
| can: { |
| activate: function($item) { |
| if(settings.useLabels) { |
| return true; |
| } |
| if(!module.has.maxSelections()) { |
| return true; |
| } |
| if(module.has.maxSelections() && $item.hasClass(className.active)) { |
| return true; |
| } |
| return false; |
| }, |
| 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')) { |
| $currentMenu |
| .transition({ |
| animation : transition + ' out', |
| duration : settings.duration, |
| debug : settings.debug, |
| verbose : settings.verbose, |
| queue : true, |
| onStart : start, |
| onComplete : function() { |
| if(settings.direction == 'auto') { |
| module.remove.upward($subMenu); |
| } |
| 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(!module.has.selectInput() || isUnparsable || !hasQuotes) { |
| return value; |
| } |
| module.debug('Encoding quote values for use in select', value); |
| if(multipleValues) { |
| $.each(value, function(index, value){ |
| values.push(value.replace(regExp.quote, '"')); |
| }); |
| return values; |
| } |
| return value.replace(regExp.quote, '"'); |
| }, |
| regExp: function(text) { |
| text = String(text); |
| return text.replace(regExp.escape, '\\$&'); |
| } |
| }, |
| |
| setting: function(name, value) { |
| module.debug('Changing setting', name, value); |
| if( $.isPlainObject(name) ) { |
| $.extend(true, settings, name); |
| } |
| else if(value !== undefined) { |
| if($.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(){}) |
| |
| |
| apiSettings : false, |
| selectOnKeydown : true, // Whether selection should occur automatically when keyboard shortcuts used |
| minCharacters : 0, // Minimum characters required to trigger API call |
| 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 |
| 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', |
| 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', |
| 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 ); |