diff --git a/.eslintignore b/.eslintignore new file mode 100644 index 000000000..125f92a25 --- /dev/null +++ b/.eslintignore @@ -0,0 +1 @@ +/public/js/semantic.dropdown.custom.js diff --git a/public/js/semantic.dropdown.custom.js b/public/js/semantic.dropdown.custom.js new file mode 100644 index 000000000..1745869fb --- /dev/null +++ b/public/js/semantic.dropdown.custom.js @@ -0,0 +1,4023 @@ +/*! + * # Semantic UI 2.3.1 - Dropdown + * http://github.com/semantic-org/semantic-ui/ + * + * + * Released under the MIT license + * http://opensource.org/licenses/MIT + * + */ + +/* + * Copyright 2019 The Gitea Authors + * Released under the MIT license + * http://opensource.org/licenses/MIT + * This version has been modified by Gitea to improve accessibility. + */ + +;(function ($, window, document, undefined) { + +'use strict'; + +window = (typeof window != 'undefined' && window.Math == Math) + ? window + : (typeof self != 'undefined' && self.Math == Math) + ? self + : Function('return this')() +; + +$.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), + lastAriaID = 1, + returnedValue + ; + + $allModules + .each(function(elementIndex) { + var + settings = ( $.isPlainObject(parameters) ) + ? $.extend(true, {}, $.fn.dropdown.settings, parameters) + : $.extend({}, $.fn.dropdown.settings), + + className = settings.className, + message = settings.message, + fields = settings.fields, + keys = settings.keys, + metadata = settings.metadata, + namespace = settings.namespace, + regExp = settings.regExp, + selector = settings.selector, + error = settings.error, + templates = settings.templates, + + eventNamespace = '.' + namespace, + moduleNamespace = 'module-' + namespace, + + $module = $(this), + $context = $(settings.context), + $text = $module.find(selector.text), + $search = $module.find(selector.search), + $sizer = $module.find(selector.sizer), + $input = $module.find(selector.input), + $icon = $module.find(selector.icon), + + $combo = ($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(); + + if(settings.values) { + module.change.values(settings.values); + } + + module.refreshData(); + + module.save.defaults(); + module.restore.selected(); + + module.create.id(); + module.bind.events(); + + module.observeChanges(); + module.instantiate(); + + module.aria.setup(); + } + + }, + + instantiate: function() { + module.verbose('Storing instance of dropdown', module); + instance = module; + $module + .data(moduleNamespace, module) + ; + }, + + destroy: function() { + module.verbose('Destroying previous dropdown', $module); + module.remove.tabbable(); + $module + .off(eventNamespace) + .removeData(moduleNamespace) + ; + $menu + .off(eventNamespace) + ; + $document + .off(elementNamespace) + ; + module.disconnect.menuObserver(); + module.disconnect.selectObserver(); + }, + + observeChanges: function() { + if('MutationObserver' in window) { + selectObserver = new MutationObserver(module.event.select.mutation); + menuObserver = new MutationObserver(module.event.menu.mutation); + module.debug('Setting up mutation observer', selectObserver, menuObserver); + module.observe.select(); + module.observe.menu(); + } + }, + + disconnect: { + menuObserver: function() { + if(menuObserver) { + menuObserver.disconnect(); + } + }, + selectObserver: function() { + if(selectObserver) { + selectObserver.disconnect(); + } + } + }, + observe: { + select: function() { + if(module.has.input()) { + selectObserver.observe($module[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 = $('
') + .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 = $('
') + .addClass(className.menu) + .appendTo($module) + ; + }, + sizer: function() { + $sizer = $('') + .addClass(className.sizer) + .insertAfter($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); + } + } + }, + + aria: { + setup: function() { + var role = module.aria.guessRole(); + if( role !== 'menu' ) { + return; + } + $module.attr('aria-busy', 'true'); + $module.attr('role', 'menu'); + $module.attr('aria-haspopup', 'menu'); + $module.attr('aria-expanded', 'false'); + $menu.find('.divider').attr('role', 'separator'); + $item.attr('role', 'menuitem'); + $item.each(function (index, item) { + if( !item.id ) { + item.id = module.aria.nextID('menuitem'); + } + }); + $text = $module + .find('> .text') + .eq(0) + ; + if( $module.data('content') ) { + $text.attr('aria-hidden'); + $module.attr('aria-label', $module.data('content')); + } + else { + $text.attr('id', module.aria.nextID('menutext')); + $module.attr('aria-labelledby', $text.attr('id')); + } + $module.attr('aria-busy', 'false'); + }, + nextID: function(prefix) { + var nextID; + do { + nextID = prefix + '_' + lastAriaID++; + } while( document.getElementById(nextID) ); + return nextID; + }, + setExpanded: function(expanded) { + if( $module.attr('aria-haspopup') ) { + $module.attr('aria-expanded', expanded); + } + }, + refreshDescendant: function() { + if( $module.attr('aria-haspopup') !== 'menu' ) { + return; + } + var + $currentlySelected = $item.not(selector.unselectable).filter('.' + className.selected).eq(0), + $activeItem = $menu.children('.' + className.active).eq(0), + $selectedItem = ($currentlySelected.length > 0) + ? $currentlySelected + : $activeItem + ; + if( $selectedItem ) { + $module.attr('aria-activedescendant', $selectedItem.attr('id')); + } + else { + module.aria.removeDescendant(); + } + }, + removeDescendant: function() { + if( $module.attr('aria-haspopup') == 'menu' ) { + $module.removeAttr('aria-activedescendant'); + } + }, + guessRole: function() { + var + isIcon = $module.hasClass('icon'), + hasSearch = module.has.search(), + hasInput = ($input.length > 0), + isMultiple = module.is.multiple() + ; + if ( !isIcon && !hasSearch && !hasInput && !isMultiple ) { + return 'menu'; + } + return 'unknown'; + } + }, + + setup: { + api: function() { + var + apiSettings = { + debug : settings.debug, + urlData : { + value : module.get.value(), + query : module.get.query() + }, + on : false + } + ; + module.verbose('First request, initializing API'); + $module + .api(apiSettings) + ; + }, + layout: function() { + if( $module.is('select') ) { + module.setup.select(); + module.setup.returnedObject(); + } + if( !module.has.menu() ) { + module.create.menu(); + } + if( module.is.search() && !module.has.search() ) { + module.verbose('Adding search input'); + $search = $('') + .addClass(className.search) + .prop('autocomplete', 'off') + .insertBefore($text) + ; + } + if( module.is.multiple() && module.is.searchSelection() && !module.has.sizer()) { + module.create.sizer(); + } + if(settings.allowTab) { + module.set.tabbable(); + } + $item.attr('tabindex', '-1'); + }, + select: function() { + var + selectValues = module.get.selectValues() + ; + module.debug('Dropdown initialized on a select', selectValues); + if( $module.is('select') ) { + $input = $module; + } + // see if select is placed correctly already + if($input.parent(selector.dropdown).length > 0) { + module.debug('UI dropdown already exists. Creating dropdown menu only'); + $module = $input.closest(selector.dropdown); + if( !module.has.menu() ) { + module.create.menu(); + } + $menu = $module.children(selector.menu); + module.setup.menu(selectValues); + } + else { + module.debug('Creating entire dropdown from select'); + $module = $('
') + .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); + instance = $module.data(moduleNamespace); + element = $module.get(0); + module.refresh(); + module.setup.returnedObject(); + }, + returnedObject: function() { + var + $firstModules = $allModules.slice(0, elementIndex), + $lastModules = $allModules.slice(elementIndex + 1) + ; + // adjust all modules to use correct reference + $allModules = $firstModules.add($module).add($lastModules); + } + }, + + refresh: function() { + module.refreshSelectors(); + module.refreshData(); + }, + + refreshItems: function() { + $item = $menu.find(selector.item); + }, + + 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.remote()) { + module.debug('No API results retrieved, searching before show'); + module.queryRemote(module.get.query(), module.show); + } + if( module.can.show() && !module.is.active() ) { + module.debug('Showing dropdown'); + if(module.has.message() && !(module.has.maxSelections() || module.has.allResultsFiltered()) ) { + module.remove.message(); + } + if(module.is.allFiltered()) { + return true; + } + if(settings.onShow.call(element) !== false) { + module.aria.setExpanded(true); + module.aria.refreshDescendant(); + module.animate.show(function() { + if( module.can.click() ) { + module.bind.intent(); + } + if(module.has.menuSearch()) { + module.focusSearch(); + } + module.set.visible(); + callback.call(element); + }); + } + } + }, + + hide: function(callback) { + callback = $.isFunction(callback) + ? callback + : function(){} + ; + if( module.is.active() && !module.is.animatingOutward() ) { + module.debug('Hiding dropdown'); + if(settings.onHide.call(element) !== false) { + module.aria.setExpanded(false); + module.aria.removeDescendant(); + module.animate.hide(function() { + module.remove.visible(); + 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) + ; + if(module.has.menuSearch() ) { + $module + .on('blur' + eventNamespace, selector.search, module.event.search.blur) + ; + } + else { + $module + .on('blur' + eventNamespace, module.event.blur) + ; + } + } + $menu + .on('mouseenter' + eventNamespace, selector.item, module.event.item.mouseenter) + .on('mouseleave' + eventNamespace, selector.item, module.event.item.mouseleave) + .on('click' + eventNamespace, selector.item, module.event.item.click) + ; + }, + intent: function() { + module.verbose('Binding hide intent event to document'); + if(hasTouch) { + $document + .on('touchstart' + elementNamespace, module.event.test.touch) + .on('touchmove' + elementNamespace, module.event.test.touch) + ; + } + $document + .on('click' + elementNamespace, module.event.test.hide) + ; + } + }, + + unbind: { + intent: function() { + module.verbose('Removing hide intent event from document'); + if(hasTouch) { + $document + .off('touchstart' + elementNamespace) + .off('touchmove' + elementNamespace) + ; + } + $document + .off('click' + elementNamespace) + ; + } + }, + + filter: function(query) { + var + searchTerm = (query !== undefined) + ? query + : module.get.query(), + afterFiltered = function() { + if(module.is.multiple()) { + module.filterActive(); + } + if(query || (!query && module.get.activeItem().length == 0)) { + module.select.firstUnfiltered(); + } + if( module.has.allResultsFiltered() ) { + if( settings.onNoResults.call(element, searchTerm) ) { + if(settings.allowAdditions) { + if(settings.hideAdditions) { + module.verbose('User addition with no menu, setting empty style'); + module.set.empty(); + module.hideMenu(); + } + } + else { + module.verbose('All items filtered, showing message', searchTerm); + module.add.message(message.noResults); + } + } + else { + module.verbose('All items filtered, hiding dropdown', searchTerm); + module.hideMenu(); + } + } + else { + module.remove.empty(); + module.remove.message(); + } + if(settings.allowAdditions) { + module.add.userSuggestion(query); + } + if(module.is.searchSelection() && module.can.show() && module.is.focusedOnSearch() ) { + module.show(); + } + } + ; + if(settings.useLabels && module.has.maxSelections()) { + return; + } + if(settings.apiSettings) { + if( module.can.useAPI() ) { + module.queryRemote(searchTerm, function() { + if(settings.filterRemoteData) { + module.filterItems(searchTerm); + } + afterFiltered(); + }); + } + else { + module.error(error.noAPI); + } + } + else { + module.filterItems(searchTerm); + afterFiltered(); + } + }, + + queryRemote: function(query, callback) { + var + apiSettings = { + errorDuration : false, + cache : 'local', + throttle : settings.throttle, + urlData : { + query: query + }, + onError: function() { + module.add.message(message.serverError); + callback(); + }, + onFailure: function() { + module.add.message(message.serverError); + callback(); + }, + onSuccess : function(response) { + 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.string(searchTerm), + beginsWithRegExp = new RegExp('^' + escapedTerm, 'igm') + ; + // avoid loop if we're matching nothing + if( module.has.query() ) { + results = []; + + module.verbose('Searching for matching values', searchTerm); + $item + .each(function(){ + var + $choice = $(this), + text, + value + ; + if(settings.match == 'both' || settings.match == 'text') { + text = String(module.get.choiceText($choice, false)); + if(text.search(beginsWithRegExp) !== -1) { + results.push(this); + return true; + } + else if (settings.fullTextSearch === 'exact' && module.exactSearch(searchTerm, text)) { + results.push(this); + return true; + } + else if (settings.fullTextSearch === true && module.fuzzySearch(searchTerm, text)) { + results.push(this); + return true; + } + } + if(settings.match == 'both' || settings.match == 'value') { + value = String(module.get.choiceValue($choice, text)); + if(value.search(beginsWithRegExp) !== -1) { + results.push(this); + return true; + } + else if (settings.fullTextSearch === 'exact' && module.exactSearch(searchTerm, value)) { + results.push(this); + return true; + } + else if (settings.fullTextSearch === true && module.fuzzySearch(searchTerm, value)) { + results.push(this); + return true; + } + } + }) + ; + } + module.debug('Showing only matched items', searchTerm); + module.remove.filteredItem(); + if(results) { + $item + .not(results) + .addClass(className.filtered) + ; + } + }, + + fuzzySearch: function(query, term) { + var + termLength = term.length, + queryLength = query.length + ; + query = query.toLowerCase(); + term = term.toLowerCase(); + if(queryLength > termLength) { + return false; + } + if(queryLength === termLength) { + return (query === term); + } + search: for (var characterIndex = 0, nextCharacterIndex = 0; characterIndex < queryLength; characterIndex++) { + var + queryCharacter = query.charCodeAt(characterIndex) + ; + while(nextCharacterIndex < termLength) { + if(term.charCodeAt(nextCharacterIndex++) === queryCharacter) { + continue search; + } + } + return false; + } + return true; + }, + exactSearch: function (query, term) { + query = query.toLowerCase(); + term = term.toLowerCase(); + if(term.indexOf(query) > -1) { + return true; + } + return false; + }, + filterActive: function() { + if(settings.useLabels) { + $item.filter('.' + className.active) + .addClass(className.filtered) + ; + } + }, + + focusSearch: function(skipHandler) { + if( module.has.search() && !module.is.focusedOnSearch() ) { + if(skipHandler) { + $module.off('focus' + eventNamespace, selector.search); + $search.focus(); + $module.on('focus' + eventNamespace, selector.search, module.event.search.focus); + } + else { + $search.focus(); + } + } + }, + + forceSelection: function() { + var + $currentlySelected = $item.not(className.filtered).filter('.' + className.selected).eq(0), + $activeItem = $item.not(className.filtered).filter('.' + className.active).eq(0), + $selectedItem = ($currentlySelected.length > 0) + ? $currentlySelected + : $activeItem, + hasSelected = ($selectedItem.length > 0) + ; + if(hasSelected && !module.is.multiple()) { + module.debug('Forcing partial selection to selected item', $selectedItem); + $selectedItem[0].click(); + return; + } + else { + if(settings.allowAdditions) { + module.set.selected(module.get.query()); + module.remove.searchTerm(); + } + else { + module.remove.searchTerm(); + } + } + }, + + change: { + values: function(values) { + if(!settings.allowAdditions) { + module.clear(); + } + module.debug('Creating dropdown with specified values', values); + module.setup.menu({values: values}); + $.each(values, function(index, item) { + if(item.selected == true) { + module.debug('Setting initial selection to', item.value); + module.set.selected(item.value); + return true; + } + }); + } + }, + + event: { + change: function() { + if(!internalChange) { + module.debug('Input changed, updating selection'); + module.set.selected(); + } + }, + focus: function() { + if(settings.showOnFocus && !activated && module.is.hidden() && !pageLostFocus) { + module.show(); + } + }, + blur: function(event) { + pageLostFocus = (document.activeElement === this); + if(!activated && !pageLostFocus) { + module.remove.activeLabel(); + module.hide(); + } + }, + mousedown: function() { + if(module.is.searchSelection()) { + // prevent menu hiding on immediate re-focus + willRefocus = true; + } + else { + // prevents focus callback from occurring on mousedown + activated = true; + } + }, + mouseup: function() { + if(module.is.searchSelection()) { + // prevent menu hiding on immediate re-focus + willRefocus = false; + } + else { + activated = false; + } + }, + click: function(event) { + var + $target = $(event.target) + ; + // focus search + if($target.is($module)) { + if(!module.is.focusedOnSearch()) { + module.focusSearch(); + } + else { + module.show(); + } + } + }, + search: { + focus: function() { + activated = true; + if(module.is.multiple()) { + module.remove.activeLabel(); + } + if(settings.showOnFocus) { + module.search(); + } + }, + blur: function(event) { + pageLostFocus = (document.activeElement === this); + if(module.is.searchSelection() && !willRefocus) { + if(!itemActivated && !pageLostFocus) { + if(settings.forceSelection) { + module.forceSelection(); + } + module.hide(); + } + } + willRefocus = false; + } + }, + icon: { + click: function(event) { + 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(' removing selected option', removedValue); + newValue = module.remove.arrayValue(removedValue, values); + module.remove.optionValue(removedValue); + } + else { + module.verbose('Removing from delimited values', removedValue); + newValue = module.remove.arrayValue(removedValue, values); + newValue = newValue.join(settings.delimiter); + } + if(settings.fireOnInit === false && module.is.initialLoad()) { + module.verbose('No callback on initial load', settings.onRemove); + } + else { + settings.onRemove.call(element, removedValue, removedText, $removedItem); + } + module.set.value(newValue, removedText, $removedItem); + module.check.maxSelections(); + }, + arrayValue: function(removedValue, values) { + if( !$.isArray(values) ) { + values = [values]; + } + values = $.grep(values, function(value){ + return (removedValue != value); + }); + module.verbose('Removed value from delimited string', removedValue, values); + return values; + }, + label: function(value, shouldAnimate) { + var + $labels = $module.find(selector.label), + $removedLabel = $labels.filter('[data-' + metadata.value + '="' + module.escape.string(value) +'"]') + ; + module.verbose('Removing label', $removedLabel); + $removedLabel.remove(); + }, + activeLabels: function($activeLabels) { + $activeLabels = $activeLabels || $module.find(selector.label).filter('.' + className.active); + module.verbose('Removing active label selections', $activeLabels); + module.remove.labels($activeLabels); + }, + labels: function($labels) { + $labels = $labels || $module.find(selector.label); + module.verbose('Removing labels', $labels); + $labels + .each(function(){ + var + $label = $(this), + value = $label.data(metadata.value), + stringValue = (value !== undefined) + ? String(value) + : value, + isUserValue = module.is.userValue(stringValue) + ; + if(settings.onLabelRemove.call($label, value) === false) { + module.debug('Label remove callback cancelled removal'); + return; + } + module.remove.message(); + if(isUserValue) { + module.remove.value(stringValue); + module.remove.label(stringValue); + } + else { + // selected will also remove label + module.remove.selected(stringValue); + } + }) + ; + }, + tabbable: function() { + if( module.is.searchSelection() ) { + module.debug('Searchable dropdown initialized'); + $search + .removeAttr('tabindex') + ; + $menu + .removeAttr('tabindex') + ; + } + else { + module.debug('Simple selection dropdown initialized'); + $module + .removeAttr('tabindex') + ; + $menu + .removeAttr('tabindex') + ; + } + } + }, + + has: { + menuSearch: function() { + return (module.has.search() && $search.closest($menu).length > 0); + }, + search: function() { + return ($search.length > 0); + }, + sizer: function() { + return ($sizer.length > 0); + }, + selectInput: function() { + return ( $input.is('select') ); + }, + minCharacters: function(searchTerm) { + if(settings.minCharacters) { + searchTerm = (searchTerm !== undefined) + ? String(searchTerm) + : String(module.get.query()) + ; + return (searchTerm.length >= settings.minCharacters); + } + return true; + }, + firstLetter: function($item, letter) { + var + text, + firstLetter + ; + if(!$item || $item.length === 0 || typeof letter !== 'string') { + return false; + } + text = module.get.choiceText($item, false); + letter = letter.toLowerCase(); + firstLetter = String(text).charAt(0).toLowerCase(); + return (letter == firstLetter); + }, + input: function() { + return ($input.length > 0); + }, + items: function() { + return ($item.length > 0); + }, + menu: function() { + return ($menu.length > 0); + }, + message: function() { + return ($menu.children(selector.message).length !== 0); + }, + label: function(value) { + var + escapedValue = module.escape.value(value), + $labels = $module.find(selector.label) + ; + if(settings.ignoreCase) { + escapedValue = escapedValue.toLowerCase(); + } + return ($labels.filter('[data-' + metadata.value + '="' + module.escape.string(escapedValue) +'"]').length > 0); + }, + maxSelections: function() { + return (settings.maxSelections && module.get.selectionCount() >= settings.maxSelections); + }, + allResultsFiltered: function() { + var + $normalResults = $item.not(selector.addition) + ; + return ($normalResults.filter(selector.unselectable).length === $normalResults.length); + }, + userSuggestion: function() { + return ($menu.children(selector.addition).length > 0); + }, + query: function() { + return (module.get.query() !== ''); + }, + value: function(value) { + return (settings.ignoreCase) + ? module.has.valueIgnoringCase(value) + : module.has.valueMatchingCase(value) + ; + }, + valueMatchingCase: function(value) { + var + values = module.get.values(), + hasValue = $.isArray(values) + ? values && ($.inArray(value, values) !== -1) + : (values == value) + ; + return (hasValue) + ? true + : false + ; + }, + valueIgnoringCase: function(value) { + var + values = module.get.values(), + hasValue = false + ; + if(!$.isArray(values)) { + values = [values]; + } + $.each(values, function(index, existingValue) { + if(String(value).toLowerCase() == String(existingValue).toLowerCase()) { + hasValue = true; + return false; + } + }); + return hasValue; + } + }, + + is: { + active: function() { + return $module.hasClass(className.active); + }, + animatingInward: function() { + return $menu.transition('is inward'); + }, + animatingOutward: function() { + return $menu.transition('is outward'); + }, + bubbledLabelClick: function(event) { + return $(event.target).is('select, input') && $module.closest('label').length > 0; + }, + bubbledIconClick: function(event) { + return $(event.target).closest($icon).length > 0; + }, + alreadySetup: function() { + return ($module.is('select') && $module.parent(selector.dropdown).data(moduleNamespace) !== undefined && $module.prev().length === 0); + }, + animating: function($subMenu) { + return ($subMenu) + ? $subMenu.transition && $subMenu.transition('is animating') + : $menu.transition && $menu.transition('is animating') + ; + }, + leftward: function($subMenu) { + var $selectedMenu = $subMenu || $menu; + return $selectedMenu.hasClass(className.leftward); + }, + disabled: function() { + return $module.hasClass(className.disabled); + }, + focused: function() { + return (document.activeElement === $module[0]); + }, + focusedOnSearch: function() { + return (document.activeElement === $search[0]); + }, + allFiltered: function() { + return( (module.is.multiple() || module.has.search()) && !(settings.hideAdditions == false && module.has.userSuggestion()) && !module.has.message() && module.has.allResultsFiltered() ); + }, + hidden: function($subMenu) { + return !module.is.visible($subMenu); + }, + initialLoad: function() { + return initialLoad; + }, + inObject: function(needle, object) { + var + found = false + ; + $.each(object, function(index, property) { + if(property == needle) { + found = true; + return true; + } + }); + return found; + }, + multiple: function() { + return $module.hasClass(className.multiple); + }, + remote: function() { + return settings.apiSettings && module.can.useAPI(); + }, + single: function() { + return !module.is.multiple(); + }, + selectMutation: function(mutations) { + var + selectChanged = false + ; + $.each(mutations, function(index, mutation) { + if(mutation.target && $(mutation.target).is('select')) { + selectChanged = true; + return true; + } + }); + return selectChanged; + }, + search: function() { + return $module.hasClass(className.search); + }, + searchSelection: function() { + return ( module.has.search() && $search.parent(selector.dropdown).length === 1 ); + }, + selection: function() { + return $module.hasClass(className.selection); + }, + userValue: function(value) { + return ($.inArray(value, module.get.userValues()) !== -1); + }, + upward: function($menu) { + var $element = $menu || $module; + return $element.hasClass(className.upward); + }, + visible: function($subMenu) { + return ($subMenu) + ? $subMenu.hasClass(className.visible) + : $menu.hasClass(className.visible) + ; + }, + verticallyScrollableContext: function() { + var + overflowY = ($context.get(0) !== window) + ? $context.css('overflow-y') + : false + ; + return (overflowY == 'auto' || overflowY == 'scroll'); + }, + horizontallyScrollableContext: function() { + var + overflowX = ($context.get(0) !== window) + ? $context.css('overflow-X') + : false + ; + return (overflowX == 'auto' || overflowX == 'scroll'); + } + }, + + can: { + activate: function($item) { + if(settings.useLabels) { + return true; + } + if(!module.has.maxSelections()) { + return true; + } + if(module.has.maxSelections() && $item.hasClass(className.active)) { + return true; + } + return false; + }, + openDownward: function($subMenu) { + var + $currentMenu = $subMenu || $menu, + canOpenDownward = true, + onScreen = {}, + calculations + ; + $currentMenu + .addClass(className.loading) + ; + calculations = { + context: { + offset : ($context.get(0) === window) + ? { top: 0, left: 0} + : $context.offset(), + scrollTop : $context.scrollTop(), + height : $context.outerHeight() + }, + menu : { + offset: $currentMenu.offset(), + height: $currentMenu.outerHeight() + } + }; + if(module.is.verticallyScrollableContext()) { + calculations.menu.offset.top += calculations.context.scrollTop; + } + onScreen = { + above : (calculations.context.scrollTop) <= calculations.menu.offset.top - calculations.context.offset.top - calculations.menu.height, + below : (calculations.context.scrollTop + calculations.context.height) >= calculations.menu.offset.top - calculations.context.offset.top + calculations.menu.height + }; + if(onScreen.below) { + module.verbose('Dropdown can fit in context downward', onScreen); + canOpenDownward = true; + } + else if(!onScreen.below && !onScreen.above) { + module.verbose('Dropdown cannot fit in either direction, favoring downward', onScreen); + canOpenDownward = true; + } + else { + module.verbose('Dropdown cannot fit below, opening upward', onScreen); + canOpenDownward = false; + } + $currentMenu.removeClass(className.loading); + return canOpenDownward; + }, + openRightward: function($subMenu) { + var + $currentMenu = $subMenu || $menu, + canOpenRightward = true, + isOffscreenRight = false, + calculations + ; + $currentMenu + .addClass(className.loading) + ; + calculations = { + context: { + offset : ($context.get(0) === window) + ? { top: 0, left: 0} + : $context.offset(), + scrollLeft : $context.scrollLeft(), + width : $context.outerWidth() + }, + menu: { + offset : $currentMenu.offset(), + width : $currentMenu.outerWidth() + } + }; + if(module.is.horizontallyScrollableContext()) { + calculations.menu.offset.left += calculations.context.scrollLeft; + } + isOffscreenRight = (calculations.menu.offset.left - calculations.context.offset.left + calculations.menu.width >= calculations.context.scrollLeft + calculations.context.width); + if(isOffscreenRight) { + module.verbose('Dropdown cannot fit in context rightward', isOffscreenRight); + canOpenRightward = false; + } + $currentMenu.removeClass(className.loading); + return canOpenRightward; + }, + click: function() { + return (hasTouch || settings.on == 'click'); + }, + extendSelect: function() { + return settings.allowAdditions || settings.apiSettings; + }, + show: function() { + return !module.is.disabled() && (module.has.items() || module.has.message()); + }, + useAPI: function() { + return $.fn.api !== undefined; + } + }, + + animate: { + show: function(callback, $subMenu) { + var + $currentMenu = $subMenu || $menu, + start = ($subMenu) + ? function() {} + : function() { + module.hideSubMenus(); + module.hideOthers(); + module.set.active(); + }, + transition + ; + callback = $.isFunction(callback) + ? callback + : function(){} + ; + module.verbose('Doing menu show animation', $currentMenu); + module.set.direction($subMenu); + transition = module.get.transition($subMenu); + if( module.is.selection() ) { + module.set.scrollPosition(module.get.selectedItem(), true); + } + if( module.is.hidden($currentMenu) || module.is.animating($currentMenu) ) { + if(transition == 'none') { + start(); + $currentMenu.transition('show'); + callback.call(element); + } + else if($.fn.transition !== undefined && $module.transition('is supported')) { + $currentMenu + .transition({ + animation : transition + ' in', + debug : settings.debug, + verbose : settings.verbose, + duration : settings.duration, + queue : true, + onStart : start, + onComplete : function() { + callback.call(element); + } + }) + ; + } + else { + module.error(error.noTransition, transition); + } + } + }, + hide: function(callback, $subMenu) { + var + $currentMenu = $subMenu || $menu, + duration = ($subMenu) + ? (settings.duration * 0.9) + : settings.duration, + start = ($subMenu) + ? function() {} + : function() { + if( module.can.click() ) { + module.unbind.intent(); + } + module.remove.active(); + }, + transition = module.get.transition($subMenu) + ; + callback = $.isFunction(callback) + ? callback + : function(){} + ; + if( module.is.visible($currentMenu) || module.is.animating($currentMenu) ) { + module.verbose('Doing menu hide animation', $currentMenu); + + if(transition == 'none') { + start(); + $currentMenu.transition('hide'); + callback.call(element); + } + else if($.fn.transition !== undefined && $module.transition('is supported')) { + $currentMenu + .transition({ + animation : transition + ' out', + duration : settings.duration, + debug : settings.debug, + verbose : settings.verbose, + queue : false, + onStart : start, + onComplete : function() { + callback.call(element); + } + }) + ; + } + else { + module.error(error.transition); + } + } + } + }, + + hideAndClear: function() { + module.remove.searchTerm(); + if( module.has.maxSelections() ) { + return; + } + if(module.has.search()) { + module.hide(function() { + module.remove.filteredItem(); + }); + } + else { + module.hide(); + } + }, + + delay: { + show: function() { + module.verbose('Delaying show event to ensure user intent'); + clearTimeout(module.timer); + module.timer = setTimeout(module.show, settings.delay.show); + }, + hide: function() { + module.verbose('Delaying hide event to ensure user intent'); + clearTimeout(module.timer); + module.timer = setTimeout(module.hide, settings.delay.hide); + } + }, + + escape: { + value: function(value) { + var + multipleValues = $.isArray(value), + stringValue = (typeof value === 'string'), + isUnparsable = (!stringValue && !multipleValues), + hasQuotes = (stringValue && value.search(regExp.quote) !== -1), + values = [] + ; + if(isUnparsable || !hasQuotes) { + return value; + } + module.debug('Encoding quote values for use in select', value); + if(multipleValues) { + $.each(value, function(index, value){ + values.push(value.replace(regExp.quote, '"')); + }); + return values; + } + return value.replace(regExp.quote, '"'); + }, + string: function(text) { + text = String(text); + return text.replace(regExp.escape, '\\$&'); + } + }, + + setting: function(name, value) { + module.debug('Changing setting', name, value); + if( $.isPlainObject(name) ) { + $.extend(true, settings, name); + } + else if(value !== undefined) { + if($.isPlainObject(settings[name])) { + $.extend(true, settings[name], value); + } + else { + settings[name] = value; + } + } + else { + return settings[name]; + } + }, + internal: function(name, value) { + if( $.isPlainObject(name) ) { + $.extend(true, module, name); + } + else if(value !== undefined) { + module[name] = value; + } + else { + return module[name]; + } + }, + debug: function() { + if(!settings.silent && settings.debug) { + if(settings.performance) { + module.performance.log(arguments); + } + else { + module.debug = Function.prototype.bind.call(console.info, console, settings.name + ':'); + module.debug.apply(console, arguments); + } + } + }, + verbose: function() { + if(!settings.silent && settings.verbose && settings.debug) { + if(settings.performance) { + module.performance.log(arguments); + } + else { + module.verbose = Function.prototype.bind.call(console.info, console, settings.name + ':'); + module.verbose.apply(console, arguments); + } + } + }, + error: function() { + if(!settings.silent) { + module.error = Function.prototype.bind.call(console.error, console, settings.name + ':'); + module.error.apply(console, arguments); + } + }, + performance: { + log: function(message) { + var + currentTime, + executionTime, + previousTime + ; + if(settings.performance) { + currentTime = new Date().getTime(); + previousTime = time || currentTime; + executionTime = currentTime - previousTime; + time = currentTime; + performance.push({ + 'Name' : message[0], + 'Arguments' : [].slice.call(message, 1) || '', + 'Element' : element, + 'Execution Time' : executionTime + }); + } + clearTimeout(module.performance.timer); + module.performance.timer = setTimeout(module.performance.display, 500); + }, + display: function() { + var + title = settings.name + ':', + totalTime = 0 + ; + time = false; + clearTimeout(module.performance.timer); + $.each(performance, function(index, data) { + totalTime += data['Execution Time']; + }); + title += ' ' + totalTime + 'ms'; + if(moduleSelector) { + title += ' \'' + moduleSelector + '\''; + } + if( (console.group !== undefined || console.table !== undefined) && performance.length > 0) { + console.groupCollapsed(title); + if(console.table) { + console.table(performance); + } + else { + $.each(performance, function(index, data) { + console.log(data['Name'] + ': ' + data['Execution Time']+'ms'); + }); + } + console.groupEnd(); + } + performance = []; + } + }, + invoke: function(query, passedArguments, context) { + var + object = instance, + maxDepth, + found, + response + ; + passedArguments = passedArguments || queryArguments; + context = element || context; + if(typeof query == 'string' && object !== undefined) { + query = query.split(/[\. ]/); + maxDepth = query.length - 1; + $.each(query, function(depth, value) { + var camelCaseValue = (depth != maxDepth) + ? value + query[depth + 1].charAt(0).toUpperCase() + query[depth + 1].slice(1) + : query + ; + if( $.isPlainObject( object[camelCaseValue] ) && (depth != maxDepth) ) { + object = object[camelCaseValue]; + } + else if( object[camelCaseValue] !== undefined ) { + found = object[camelCaseValue]; + return false; + } + else if( $.isPlainObject( object[value] ) && (depth != maxDepth) ) { + object = object[value]; + } + else if( object[value] !== undefined ) { + found = object[value]; + return false; + } + else { + module.error(error.method, query); + return false; + } + }); + } + if ( $.isFunction( found ) ) { + response = found.apply(context, passedArguments); + } + else if(found !== undefined) { + response = found; + } + if($.isArray(returnedValue)) { + returnedValue.push(response); + } + else if(returnedValue !== undefined) { + returnedValue = [returnedValue, response]; + } + else if(response !== undefined) { + returnedValue = response; + } + return found; + } + }; + + if(methodInvoked) { + if(instance === undefined) { + module.initialize(); + } + module.invoke(query); + } + else { + if(instance !== undefined) { + instance.invoke('destroy'); + } + module.initialize(); + } + }) + ; + return (returnedValue !== undefined) + ? returnedValue + : $allModules + ; +}; + +$.fn.dropdown.settings = { + + silent : false, + debug : false, + verbose : false, + performance : true, + + on : 'click', // what event should show menu action on item selection + action : 'activate', // action on item selection (nothing, activate, select, combo, hide, function(){}) + + values : false, // specify values to use for dropdown + + apiSettings : false, + selectOnKeydown : true, // Whether selection should occur automatically when keyboard shortcuts used + minCharacters : 0, // Minimum characters required to trigger API call + + filterRemoteData : false, // Whether API results should be filtered after being returned for query term + saveRemoteData : true, // Whether remote name/value pairs should be stored in sessionStorage to allow remote data to be restored on page refresh + + throttle : 200, // How long to wait after last user input to search remotely + + context : window, // Context to use when determining if on screen + direction : 'auto', // Whether dropdown should always open in one direction + keepOnScreen : true, // Whether dropdown should check whether it is on screen before showing + + match : 'both', // what to match against with search selection (both, text, or label) + fullTextSearch : false, // search anywhere in value (set to 'exact' to require exact matches) + + placeholder : 'auto', // whether to convert blank 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 {term}', + 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 : '