/*
 * # Fomantic UI - 2.8.7
 * https://github.com/fomantic/Fomantic-UI
 * http://fomantic-ui.com/
 *
 * Copyright 2014 Contributors
 * Released under the MIT license
 * http://opensource.org/licenses/MIT
 *
 */
/*!
 * # Fomantic-UI - API
 * http://github.com/fomantic/Fomantic-UI/
 *
 *
 * Released under the MIT license
 * http://opensource.org/licenses/MIT
 *
 */

;(function ($, window, document, undefined) {

'use strict';

$.isWindow = $.isWindow || function(obj) {
  return obj != null && obj === obj.window;
};

  window = (typeof window != 'undefined' && window.Math == Math)
    ? window
    : (typeof self != 'undefined' && self.Math == Math)
      ? self
      : Function('return this')()
;

$.api = $.fn.api = function(parameters) {

  var
    // use window context if none specified
    $allModules     = $.isFunction(this)
        ? $(window)
        : $(this),
    moduleSelector = $allModules.selector || '',
    time           = new Date().getTime(),
    performance    = [],

    query          = arguments[0],
    methodInvoked  = (typeof query == 'string'),
    queryArguments = [].slice.call(arguments, 1),

    returnedValue
  ;

  $allModules
    .each(function() {
      var
        settings          = ( $.isPlainObject(parameters) )
          ? $.extend(true, {}, $.fn.api.settings, parameters)
          : $.extend({}, $.fn.api.settings),

        // internal aliases
        namespace       = settings.namespace,
        metadata        = settings.metadata,
        selector        = settings.selector,
        error           = settings.error,
        className       = settings.className,

        // define namespaces for modules
        eventNamespace  = '.' + namespace,
        moduleNamespace = 'module-' + namespace,

        // element that creates request
        $module         = $(this),
        $form           = $module.closest(selector.form),

        // context used for state
        $context        = (settings.stateContext)
          ? $(settings.stateContext)
          : $module,

        // request details
        ajaxSettings,
        requestSettings,
        url,
        data,
        requestStartTime,

        // standard module
        element         = this,
        context         = $context[0],
        instance        = $module.data(moduleNamespace),
        module
      ;

      module = {

        initialize: function() {
          if(!methodInvoked) {
            module.bind.events();
          }
          module.instantiate();
        },

        instantiate: function() {
          module.verbose('Storing instance of module', module);
          instance = module;
          $module
            .data(moduleNamespace, instance)
          ;
        },

        destroy: function() {
          module.verbose('Destroying previous module for', element);
          $module
            .removeData(moduleNamespace)
            .off(eventNamespace)
          ;
        },

        bind: {
          events: function() {
            var
              triggerEvent = module.get.event()
            ;
            if( triggerEvent ) {
              module.verbose('Attaching API events to element', triggerEvent);
              $module
                .on(triggerEvent + eventNamespace, module.event.trigger)
              ;
            }
            else if(settings.on == 'now') {
              module.debug('Querying API endpoint immediately');
              module.query();
            }
          }
        },

        decode: {
          json: function(response) {
            if(response !== undefined && typeof response == 'string') {
              try {
               response = JSON.parse(response);
              }
              catch(e) {
                // isnt json string
              }
            }
            return response;
          }
        },

        read: {
          cachedResponse: function(url) {
            var
              response
            ;
            if(window.Storage === undefined) {
              module.error(error.noStorage);
              return;
            }
            response = sessionStorage.getItem(url);
            module.debug('Using cached response', url, response);
            response = module.decode.json(response);
            return response;
          }
        },
        write: {
          cachedResponse: function(url, response) {
            if(response && response === '') {
              module.debug('Response empty, not caching', response);
              return;
            }
            if(window.Storage === undefined) {
              module.error(error.noStorage);
              return;
            }
            if( $.isPlainObject(response) ) {
              response = JSON.stringify(response);
            }
            sessionStorage.setItem(url, response);
            module.verbose('Storing cached response for url', url, response);
          }
        },

        query: function() {

          if(module.is.disabled()) {
            module.debug('Element is disabled API request aborted');
            return;
          }

          if(module.is.loading()) {
            if(settings.interruptRequests) {
              module.debug('Interrupting previous request');
              module.abort();
            }
            else {
              module.debug('Cancelling request, previous request is still pending');
              return;
            }
          }

          // pass element metadata to url (value, text)
          if(settings.defaultData) {
            $.extend(true, settings.urlData, module.get.defaultData());
          }

          // Add form content
          if(settings.serializeForm) {
            settings.data = module.add.formData(settings.data);
          }

          // call beforesend and get any settings changes
          requestSettings = module.get.settings();

          // check if before send cancelled request
          if(requestSettings === false) {
            module.cancelled = true;
            module.error(error.beforeSend);
            return;
          }
          else {
            module.cancelled = false;
          }

          // get url
          url = module.get.templatedURL();

          if(!url && !module.is.mocked()) {
            module.error(error.missingURL);
            return;
          }

          // replace variables
          url = module.add.urlData( url );
          // missing url parameters
          if( !url && !module.is.mocked()) {
            return;
          }

          requestSettings.url = settings.base + url;

          // look for jQuery ajax parameters in settings
          ajaxSettings = $.extend(true, {}, settings, {
            type       : settings.method || settings.type,
            data       : data,
            url        : settings.base + url,
            beforeSend : settings.beforeXHR,
            success    : function() {},
            failure    : function() {},
            complete   : function() {}
          });

          module.debug('Querying URL', ajaxSettings.url);
          module.verbose('Using AJAX settings', ajaxSettings);
          if(settings.cache === 'local' && module.read.cachedResponse(url)) {
            module.debug('Response returned from local cache');
            module.request = module.create.request();
            module.request.resolveWith(context, [ module.read.cachedResponse(url) ]);
            return;
          }

          if( !settings.throttle ) {
            module.debug('Sending request', data, ajaxSettings.method);
            module.send.request();
          }
          else {
            if(!settings.throttleFirstRequest && !module.timer) {
              module.debug('Sending request', data, ajaxSettings.method);
              module.send.request();
              module.timer = setTimeout(function(){}, settings.throttle);
            }
            else {
              module.debug('Throttling request', settings.throttle);
              clearTimeout(module.timer);
              module.timer = setTimeout(function() {
                if(module.timer) {
                  delete module.timer;
                }
                module.debug('Sending throttled request', data, ajaxSettings.method);
                module.send.request();
              }, settings.throttle);
            }
          }

        },

        should: {
          removeError: function() {
            return ( settings.hideError === true || (settings.hideError === 'auto' && !module.is.form()) );
          }
        },

        is: {
          disabled: function() {
            return ($module.filter(selector.disabled).length > 0);
          },
          expectingJSON: function() {
            return settings.dataType === 'json' || settings.dataType === 'jsonp';
          },
          form: function() {
            return $module.is('form') || $context.is('form');
          },
          mocked: function() {
            return (settings.mockResponse || settings.mockResponseAsync || settings.response || settings.responseAsync);
          },
          input: function() {
            return $module.is('input');
          },
          loading: function() {
            return (module.request)
              ? (module.request.state() == 'pending')
              : false
            ;
          },
          abortedRequest: function(xhr) {
            if(xhr && xhr.readyState !== undefined && xhr.readyState === 0) {
              module.verbose('XHR request determined to be aborted');
              return true;
            }
            else {
              module.verbose('XHR request was not aborted');
              return false;
            }
          },
          validResponse: function(response) {
            if( (!module.is.expectingJSON()) || !$.isFunction(settings.successTest) ) {
              module.verbose('Response is not JSON, skipping validation', settings.successTest, response);
              return true;
            }
            module.debug('Checking JSON returned success', settings.successTest, response);
            if( settings.successTest(response) ) {
              module.debug('Response passed success test', response);
              return true;
            }
            else {
              module.debug('Response failed success test', response);
              return false;
            }
          }
        },

        was: {
          cancelled: function() {
            return (module.cancelled || false);
          },
          succesful: function() {
            module.verbose('This behavior will be deleted due to typo. Use "was successful" instead.');
            return module.was.successful();
          },
          successful: function() {
            return (module.request && module.request.state() == 'resolved');
          },
          failure: function() {
            return (module.request && module.request.state() == 'rejected');
          },
          complete: function() {
            return (module.request && (module.request.state() == 'resolved' || module.request.state() == 'rejected') );
          }
        },

        add: {
          urlData: function(url, urlData) {
            var
              requiredVariables,
              optionalVariables
            ;
            if(url) {
              requiredVariables = url.match(settings.regExp.required);
              optionalVariables = url.match(settings.regExp.optional);
              urlData           = urlData || settings.urlData;
              if(requiredVariables) {
                module.debug('Looking for required URL variables', requiredVariables);
                $.each(requiredVariables, function(index, templatedString) {
                  var
                    // allow legacy {$var} style
                    variable = (templatedString.indexOf('$') !== -1)
                      ? templatedString.substr(2, templatedString.length - 3)
                      : templatedString.substr(1, templatedString.length - 2),
                    value   = ($.isPlainObject(urlData) && urlData[variable] !== undefined)
                      ? urlData[variable]
                      : ($module.data(variable) !== undefined)
                        ? $module.data(variable)
                        : ($context.data(variable) !== undefined)
                          ? $context.data(variable)
                          : urlData[variable]
                  ;
                  // remove value
                  if(value === undefined) {
                    module.error(error.requiredParameter, variable, url);
                    url = false;
                    return false;
                  }
                  else {
                    module.verbose('Found required variable', variable, value);
                    value = (settings.encodeParameters)
                      ? module.get.urlEncodedValue(value)
                      : value
                    ;
                    url = url.replace(templatedString, value);
                  }
                });
              }
              if(optionalVariables) {
                module.debug('Looking for optional URL variables', requiredVariables);
                $.each(optionalVariables, function(index, templatedString) {
                  var
                    // allow legacy {/$var} style
                    variable = (templatedString.indexOf('$') !== -1)
                      ? templatedString.substr(3, templatedString.length - 4)
                      : templatedString.substr(2, templatedString.length - 3),
                    value   = ($.isPlainObject(urlData) && urlData[variable] !== undefined)
                      ? urlData[variable]
                      : ($module.data(variable) !== undefined)
                        ? $module.data(variable)
                        : ($context.data(variable) !== undefined)
                          ? $context.data(variable)
                          : urlData[variable]
                  ;
                  // optional replacement
                  if(value !== undefined) {
                    module.verbose('Optional variable Found', variable, value);
                    url = url.replace(templatedString, value);
                  }
                  else {
                    module.verbose('Optional variable not found', variable);
                    // remove preceding slash if set
                    if(url.indexOf('/' + templatedString) !== -1) {
                      url = url.replace('/' + templatedString, '');
                    }
                    else {
                      url = url.replace(templatedString, '');
                    }
                  }
                });
              }
            }
            return url;
          },
          formData: function(data) {
            var
              canSerialize = ($.fn.serializeObject !== undefined),
              formData     = (canSerialize)
                ? $form.serializeObject()
                : $form.serialize(),
              hasOtherData
            ;
            data         = data || settings.data;
            hasOtherData = $.isPlainObject(data);

            if(hasOtherData) {
              if(canSerialize) {
                module.debug('Extending existing data with form data', data, formData);
                data = $.extend(true, {}, data, formData);
              }
              else {
                module.error(error.missingSerialize);
                module.debug('Cant extend data. Replacing data with form data', data, formData);
                data = formData;
              }
            }
            else {
              module.debug('Adding form data', formData);
              data = formData;
            }
            return data;
          }
        },

        send: {
          request: function() {
            module.set.loading();
            module.request = module.create.request();
            if( module.is.mocked() ) {
              module.mockedXHR = module.create.mockedXHR();
            }
            else {
              module.xhr = module.create.xhr();
            }
            settings.onRequest.call(context, module.request, module.xhr);
          }
        },

        event: {
          trigger: function(event) {
            module.query();
            if(event.type == 'submit' || event.type == 'click') {
              event.preventDefault();
            }
          },
          xhr: {
            always: function() {
              // nothing special
            },
            done: function(response, textStatus, xhr) {
              var
                context            = this,
                elapsedTime        = (new Date().getTime() - requestStartTime),
                timeLeft           = (settings.loadingDuration - elapsedTime),
                translatedResponse = ( $.isFunction(settings.onResponse) )
                  ? module.is.expectingJSON() && !settings.rawResponse
                    ? settings.onResponse.call(context, $.extend(true, {}, response))
                    : settings.onResponse.call(context, response)
                  : false
              ;
              timeLeft = (timeLeft > 0)
                ? timeLeft
                : 0
              ;
              if(translatedResponse) {
                module.debug('Modified API response in onResponse callback', settings.onResponse, translatedResponse, response);
                response = translatedResponse;
              }
              if(timeLeft > 0) {
                module.debug('Response completed early delaying state change by', timeLeft);
              }
              setTimeout(function() {
                if( module.is.validResponse(response) ) {
                  module.request.resolveWith(context, [response, xhr]);
                }
                else {
                  module.request.rejectWith(context, [xhr, 'invalid']);
                }
              }, timeLeft);
            },
            fail: function(xhr, status, httpMessage) {
              var
                context     = this,
                elapsedTime = (new Date().getTime() - requestStartTime),
                timeLeft    = (settings.loadingDuration - elapsedTime)
              ;
              timeLeft = (timeLeft > 0)
                ? timeLeft
                : 0
              ;
              if(timeLeft > 0) {
                module.debug('Response completed early delaying state change by', timeLeft);
              }
              setTimeout(function() {
                if( module.is.abortedRequest(xhr) ) {
                  module.request.rejectWith(context, [xhr, 'aborted', httpMessage]);
                }
                else {
                  module.request.rejectWith(context, [xhr, 'error', status, httpMessage]);
                }
              }, timeLeft);
            }
          },
          request: {
            done: function(response, xhr) {
              module.debug('Successful API Response', response);
              if(settings.cache === 'local' && url) {
                module.write.cachedResponse(url, response);
                module.debug('Saving server response locally', module.cache);
              }
              settings.onSuccess.call(context, response, $module, xhr);
            },
            complete: function(firstParameter, secondParameter) {
              var
                xhr,
                response
              ;
              // have to guess callback parameters based on request success
              if( module.was.successful() ) {
                response = firstParameter;
                xhr      = secondParameter;
              }
              else {
                xhr      = firstParameter;
                response = module.get.responseFromXHR(xhr);
              }
              module.remove.loading();
              settings.onComplete.call(context, response, $module, xhr);
            },
            fail: function(xhr, status, httpMessage) {
              var
                // pull response from xhr if available
                response     = module.get.responseFromXHR(xhr),
                errorMessage = module.get.errorFromRequest(response, status, httpMessage)
              ;
              if(status == 'aborted') {
                module.debug('XHR Aborted (Most likely caused by page navigation or CORS Policy)', status, httpMessage);
                settings.onAbort.call(context, status, $module, xhr);
                return true;
              }
              else if(status == 'invalid') {
                module.debug('JSON did not pass success test. A server-side error has most likely occurred', response);
              }
              else if(status == 'error') {
                if(xhr !== undefined) {
                  module.debug('XHR produced a server error', status, httpMessage);
                  // make sure we have an error to display to console
                  if( (xhr.status < 200 || xhr.status >= 300) && httpMessage !== undefined && httpMessage !== '') {
                    module.error(error.statusMessage + httpMessage, ajaxSettings.url);
                  }
                  settings.onError.call(context, errorMessage, $module, xhr);
                }
              }

              if(settings.errorDuration && status !== 'aborted') {
                module.debug('Adding error state');
                module.set.error();
                if( module.should.removeError() ) {
                  setTimeout(module.remove.error, settings.errorDuration);
                }
              }
              module.debug('API Request failed', errorMessage, xhr);
              settings.onFailure.call(context, response, $module, xhr);
            }
          }
        },

        create: {

          request: function() {
            // api request promise
            return $.Deferred()
              .always(module.event.request.complete)
              .done(module.event.request.done)
              .fail(module.event.request.fail)
            ;
          },

          mockedXHR: function () {
            var
              // xhr does not simulate these properties of xhr but must return them
              textStatus     = false,
              status         = false,
              httpMessage    = false,
              responder      = settings.mockResponse      || settings.response,
              asyncResponder = settings.mockResponseAsync || settings.responseAsync,
              asyncCallback,
              response,
              mockedXHR
            ;

            mockedXHR = $.Deferred()
              .always(module.event.xhr.complete)
              .done(module.event.xhr.done)
              .fail(module.event.xhr.fail)
            ;

            if(responder) {
              if( $.isFunction(responder) ) {
                module.debug('Using specified synchronous callback', responder);
                response = responder.call(context, requestSettings);
              }
              else {
                module.debug('Using settings specified response', responder);
                response = responder;
              }
              // simulating response
              mockedXHR.resolveWith(context, [ response, textStatus, { responseText: response }]);
            }
            else if( $.isFunction(asyncResponder) ) {
              asyncCallback = function(response) {
                module.debug('Async callback returned response', response);

                if(response) {
                  mockedXHR.resolveWith(context, [ response, textStatus, { responseText: response }]);
                }
                else {
                  mockedXHR.rejectWith(context, [{ responseText: response }, status, httpMessage]);
                }
              };
              module.debug('Using specified async response callback', asyncResponder);
              asyncResponder.call(context, requestSettings, asyncCallback);
            }
            return mockedXHR;
          },

          xhr: function() {
            var
              xhr
            ;
            // ajax request promise
            xhr = $.ajax(ajaxSettings)
              .always(module.event.xhr.always)
              .done(module.event.xhr.done)
              .fail(module.event.xhr.fail)
            ;
            module.verbose('Created server request', xhr, ajaxSettings);
            return xhr;
          }
        },

        set: {
          error: function() {
            module.verbose('Adding error state to element', $context);
            $context.addClass(className.error);
          },
          loading: function() {
            module.verbose('Adding loading state to element', $context);
            $context.addClass(className.loading);
            requestStartTime = new Date().getTime();
          }
        },

        remove: {
          error: function() {
            module.verbose('Removing error state from element', $context);
            $context.removeClass(className.error);
          },
          loading: function() {
            module.verbose('Removing loading state from element', $context);
            $context.removeClass(className.loading);
          }
        },

        get: {
          responseFromXHR: function(xhr) {
            return $.isPlainObject(xhr)
              ? (module.is.expectingJSON())
                ? module.decode.json(xhr.responseText)
                : xhr.responseText
              : false
            ;
          },
          errorFromRequest: function(response, status, httpMessage) {
            return ($.isPlainObject(response) && response.error !== undefined)
              ? response.error // use json error message
              : (settings.error[status] !== undefined) // use server error message
                ? settings.error[status]
                : httpMessage
            ;
          },
          request: function() {
            return module.request || false;
          },
          xhr: function() {
            return module.xhr || false;
          },
          settings: function() {
            var
              runSettings
            ;
            runSettings = settings.beforeSend.call($module, settings);
            if(runSettings) {
              if(runSettings.success !== undefined) {
                module.debug('Legacy success callback detected', runSettings);
                module.error(error.legacyParameters, runSettings.success);
                runSettings.onSuccess = runSettings.success;
              }
              if(runSettings.failure !== undefined) {
                module.debug('Legacy failure callback detected', runSettings);
                module.error(error.legacyParameters, runSettings.failure);
                runSettings.onFailure = runSettings.failure;
              }
              if(runSettings.complete !== undefined) {
                module.debug('Legacy complete callback detected', runSettings);
                module.error(error.legacyParameters, runSettings.complete);
                runSettings.onComplete = runSettings.complete;
              }
            }
            if(runSettings === undefined) {
              module.error(error.noReturnedValue);
            }
            if(runSettings === false) {
              return runSettings;
            }
            return (runSettings !== undefined)
              ? $.extend(true, {}, runSettings)
              : $.extend(true, {}, settings)
            ;
          },
          urlEncodedValue: function(value) {
            var
              decodedValue   = window.decodeURIComponent(value),
              encodedValue   = window.encodeURIComponent(value),
              alreadyEncoded = (decodedValue !== value)
            ;
            if(alreadyEncoded) {
              module.debug('URL value is already encoded, avoiding double encoding', value);
              return value;
            }
            module.verbose('Encoding value using encodeURIComponent', value, encodedValue);
            return encodedValue;
          },
          defaultData: function() {
            var
              data = {}
            ;
            if( !$.isWindow(element) ) {
              if( module.is.input() ) {
                data.value = $module.val();
              }
              else if( module.is.form() ) {

              }
              else {
                data.text = $module.text();
              }
            }
            return data;
          },
          event: function() {
            if( $.isWindow(element) || settings.on == 'now' ) {
              module.debug('API called without element, no events attached');
              return false;
            }
            else if(settings.on == 'auto') {
              if( $module.is('input') ) {
                return (element.oninput !== undefined)
                  ? 'input'
                  : (element.onpropertychange !== undefined)
                    ? 'propertychange'
                    : 'keyup'
                ;
              }
              else if( $module.is('form') ) {
                return 'submit';
              }
              else {
                return 'click';
              }
            }
            else {
              return settings.on;
            }
          },
          templatedURL: function(action) {
            action = action || $module.data(metadata.action) || settings.action || false;
            url    = $module.data(metadata.url) || settings.url || false;
            if(url) {
              module.debug('Using specified url', url);
              return url;
            }
            if(action) {
              module.debug('Looking up url for action', action, settings.api);
              if(settings.api[action] === undefined && !module.is.mocked()) {
                module.error(error.missingAction, settings.action, settings.api);
                return;
              }
              url = settings.api[action];
            }
            else if( module.is.form() ) {
              url = $module.attr('action') || $context.attr('action') || false;
              module.debug('No url or action specified, defaulting to form action', url);
            }
            return url;
          }
        },

        abort: function() {
          var
            xhr = module.get.xhr()
          ;
          if( xhr && xhr.state() !== 'resolved') {
            module.debug('Cancelling API request');
            xhr.abort();
          }
        },

        // reset state
        reset: function() {
          module.remove.error();
          module.remove.loading();
        },

        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(Array.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
    : this
  ;
};

$.api.settings = {

  name              : 'API',
  namespace         : 'api',

  debug             : false,
  verbose           : false,
  performance       : true,

  // object containing all templates endpoints
  api               : {},

  // whether to cache responses
  cache             : true,

  // whether new requests should abort previous requests
  interruptRequests : true,

  // event binding
  on                : 'auto',

  // context for applying state classes
  stateContext      : false,

  // duration for loading state
  loadingDuration   : 0,

  // whether to hide errors after a period of time
  hideError         : 'auto',

  // duration for error state
  errorDuration     : 2000,

  // whether parameters should be encoded with encodeURIComponent
  encodeParameters  : true,

  // API action to use
  action            : false,

  // templated URL to use
  url               : false,

  // base URL to apply to all endpoints
  base              : '',

  // data that will
  urlData           : {},

  // whether to add default data to url data
  defaultData          : true,

  // whether to serialize closest form
  serializeForm        : false,

  // how long to wait before request should occur
  throttle             : 0,

  // whether to throttle first request or only repeated
  throttleFirstRequest : true,

  // standard ajax settings
  method            : 'get',
  data              : {},
  dataType          : 'json',

  // mock response
  mockResponse      : false,
  mockResponseAsync : false,

  // aliases for mock
  response          : false,
  responseAsync     : false,

// whether onResponse should work with response value without force converting into an object
  rawResponse       : false,

  // callbacks before request
  beforeSend  : function(settings) { return settings; },
  beforeXHR   : function(xhr) {},
  onRequest   : function(promise, xhr) {},

  // after request
  onResponse  : false, // function(response) { },

  // response was successful, if JSON passed validation
  onSuccess   : function(response, $module) {},

  // request finished without aborting
  onComplete  : function(response, $module) {},

  // failed JSON success test
  onFailure   : function(response, $module) {},

  // server error
  onError     : function(errorMessage, $module) {},

  // request aborted
  onAbort     : function(errorMessage, $module) {},

  successTest : false,

  // errors
  error : {
    beforeSend        : 'The before send function has aborted the request',
    error             : 'There was an error with your request',
    exitConditions    : 'API Request Aborted. Exit conditions met',
    JSONParse         : 'JSON could not be parsed during error handling',
    legacyParameters  : 'You are using legacy API success callback names',
    method            : 'The method you called is not defined',
    missingAction     : 'API action used but no url was defined',
    missingSerialize  : 'jquery-serialize-object is required to add form data to an existing data object',
    missingURL        : 'No URL specified for api event',
    noReturnedValue   : 'The beforeSend callback must return a settings object, beforeSend ignored.',
    noStorage         : 'Caching responses locally requires session storage',
    parseError        : 'There was an error parsing your request',
    requiredParameter : 'Missing a required URL parameter: ',
    statusMessage     : 'Server gave an error: ',
    timeout           : 'Your request timed out'
  },

  regExp  : {
    required : /\{\$*[A-z0-9]+\}/g,
    optional : /\{\/\$*[A-z0-9]+\}/g,
  },

  className: {
    loading : 'loading',
    error   : 'error'
  },

  selector: {
    disabled : '.disabled',
    form      : 'form'
  },

  metadata: {
    action  : 'action',
    url     : 'url'
  }
};



})( jQuery, window, document );

/*!
 * # Fomantic-UI - Dropdown
 * http://github.com/fomantic/Fomantic-UI/
 *
 *
 * Released under the MIT license
 * http://opensource.org/licenses/MIT
 *
 */

;(function ($, window, document, undefined) {

'use strict';

$.isFunction = $.isFunction || function(obj) {
  return typeof obj === "function" && typeof obj.nodeType !== "number";
};

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),
    clickEvent = "click", unstableClickEvent = hasTouch
        ? 'touchstart'
        : 'click',

    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),
        $clear          = $module.find(selector.clearIcon),

        $combo = ($module.prev().find(selector.text).length > 0)
          ? $module.prev().find(selector.text)
          : $module.prev(),

        $menu           = $module.children(selector.menu),
        $item           = $menu.find(selector.item),
        $divider        = settings.hideDividers ? $item.parent().children(selector.divider) : $(),

        activated       = false,
        itemActivated   = false,
        internalChange  = false,
        iconClicked     = false,
        element         = this,
        instance        = $module.data(moduleNamespace),

        selectActionActive,
        initialLoad,
        pageLostFocus,
        willRefocus,
        elementNamespace,
        id,
        selectObserver,
        menuObserver,
        classObserver,
        module
      ;

      module = {

        initialize: function() {
          module.debug('Initializing dropdown', settings);

          if( module.is.alreadySetup() ) {
            module.setup.reference();
          }
          else {
            if (settings.ignoreDiacritics && !String.prototype.normalize) {
              settings.ignoreDiacritics = false;
              module.error(error.noNormalize, element);
            }

            module.setup.layout();

            if(settings.values) {
              module.set.initialLoad();
              module.change.values(settings.values);
              module.remove.initialLoad();
            }

            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.remove.active();
          $menu.transition('stop all');
          $menu.removeClass(className.visible).addClass(className.hidden);
          $module
            .off(eventNamespace)
            .removeData(moduleNamespace)
          ;
          $menu
            .off(eventNamespace)
          ;
          $document
            .off(elementNamespace)
          ;
          module.disconnect.menuObserver();
          module.disconnect.selectObserver();
          module.disconnect.classObserver();
        },

        observeChanges: function() {
          if('MutationObserver' in window) {
            selectObserver = new MutationObserver(module.event.select.mutation);
            menuObserver   = new MutationObserver(module.event.menu.mutation);
            classObserver  = new MutationObserver(module.event.class.mutation);
            module.debug('Setting up mutation observer', selectObserver, menuObserver, classObserver);
            module.observe.select();
            module.observe.menu();
            module.observe.class();
          }
        },

        disconnect: {
          menuObserver: function() {
            if(menuObserver) {
              menuObserver.disconnect();
            }
          },
          selectObserver: function() {
            if(selectObserver) {
              selectObserver.disconnect();
            }
          },
          classObserver: function() {
            if(classObserver) {
              classObserver.disconnect();
            }
          }
        },
        observe: {
          select: function() {
            if(module.has.input() && selectObserver) {
              selectObserver.observe($module[0], {
                childList : true,
                subtree   : true
              });
            }
          },
          menu: function() {
            if(module.has.menu() && menuObserver) {
              menuObserver.observe($menu[0], {
                childList : true,
                subtree   : true
              });
            }
          },
          class: function() {
            if(module.has.search() && classObserver) {
              classObserver.observe($module[0], {
                attributes : 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 = Array.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(null,true);
          }
        },

        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.selection() && module.is.clearable() && !module.has.clearItem() ) {
              module.verbose('Adding clear icon');
              $clear = $('<i />')
                .addClass('remove icon')
                .insertBefore($text)
              ;
            }
            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', $input.attr('class') )
                .addClass(className.selection)
                .addClass(className.dropdown)
                .html( templates.dropdown(selectValues, fields, settings.preserveHTML, settings.className) )
                .insertBefore($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);
              }
              $input
                .removeAttr('required')
                .removeAttr('class')
                .detach()
                .prependTo($module)
              ;
            }
            module.refresh();
          },
          menu: function(values) {
            $menu.html( templates.menu(values, fields,settings.preserveHTML,settings.className));
            $item    = $menu.find(selector.item);
            $divider = settings.hideDividers ? $item.parent().children(selector.divider) : $();
          },
          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);
          $divider = settings.hideDividers ? $item.parent().children(selector.divider) : $();
        },

        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);
          $divider = settings.hideDividers ? $item.parent().children(selector.divider) : $();
        },

        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, preventFocus) {
          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.animate.show(function() {
                if( module.can.click() ) {
                  module.bind.intent();
                }
                if(module.has.search() && !preventFocus) {
                  module.focusSearch();
                }
                module.set.visible();
                callback.call(element);
              });
            }
          }
        },

        hide: function(callback, preventBlur) {
          callback = $.isFunction(callback)
            ? callback
            : function(){}
          ;
          if( module.is.active() && !module.is.animatingOutward() ) {
            module.debug('Hiding dropdown');
            if(settings.onHide.call(element) !== false) {
              module.animate.hide(function() {
                module.remove.visible();
                // hidding search focus
                if ( module.is.focusedOnSearch() && preventBlur !== true ) {
                  $search.blur();
                }
                callback.call(element);
              });
            }
          } else if( module.can.click() ) {
              module.unbind.intent();
          }
          iconClicked = false;
        },

        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() {
            module.bind.keyboardEvents();
            module.bind.inputEvents();
            module.bind.mouseEvents();
          },
          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(clickEvent   + eventNamespace, selector.label,  module.event.label.click)
                .on(clickEvent   + 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(clickEvent  + eventNamespace, selector.icon,   module.event.icon.click)
                .on(clickEvent  + eventNamespace, selector.clearIcon, module.event.clearIcon.click)
                .on('focus'     + eventNamespace, selector.search, module.event.search.focus)
                .on(clickEvent  + eventNamespace, selector.search, module.event.search.focus)
                .on('blur'      + eventNamespace, selector.search, module.event.search.blur)
                .on(clickEvent  + eventNamespace, selector.text,   module.event.text.focus)
              ;
              if(module.is.multiple()) {
                $module
                  .on(clickEvent + eventNamespace, module.event.click)
                ;
              }
            }
            else {
              if(settings.on == 'click') {
                $module
                  .on(clickEvent + eventNamespace, selector.icon, module.event.icon.click)
                  .on(clickEvent + 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(clickEvent  + eventNamespace, selector.clearIcon, module.event.clearIcon.click)
              ;
              if(module.has.menuSearch() ) {
                $module
                  .on('blur' + eventNamespace, selector.search, module.event.search.blur)
                ;
              }
              else {
                $module
                  .on('blur' + eventNamespace, module.event.blur)
                ;
              }
            }
            $menu
              .on((hasTouch ? 'touchstart' : '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(clickEvent + 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(clickEvent + 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(module.escape.htmlEntities(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);
                }
                var preSelected = $input.val();
                if(!Array.isArray(preSelected)) {
                    preSelected = preSelected && preSelected!=="" ? preSelected.split(settings.delimiter) : [];
                }
                $.each(preSelected,function(index,value){
                  $item.filter('[data-value="'+value+'"]')
                      .addClass(className.filtered)
                  ;
                });
                afterFiltered();
              });
            }
            else {
              module.error(error.noAPI);
            }
          }
          else {
            module.filterItems(searchTerm);
            afterFiltered();
          }
        },

        queryRemote: function(query, callback) {
          var
            apiSettings = {
              errorDuration : false,
              cache         : 'local',
              throttle      : settings.throttle,
              urlData       : {
                query: query
              },
              onError: function() {
                module.add.message(message.serverError);
                callback();
              },
              onFailure: function() {
                module.add.message(message.serverError);
                callback();
              },
              onSuccess : function(response) {
                var
                  values          = response[fields.remoteValues]
                ;
                if (!Array.isArray(values)){
                    values = [];
                }
                module.remove.message();
                var menuConfig = {};
                menuConfig[fields.values] = values;
                module.setup.menu(menuConfig);

                if(values.length===0 && !settings.allowAdditions) {
                  module.add.message(message.noResults);
                }
                callback();
              }
            }
          ;
          if( !$module.api('get request') ) {
            module.setup.api();
          }
          apiSettings = $.extend(true, {}, apiSettings, settings.apiSettings);
          $module
            .api('setting', apiSettings)
            .api('query')
          ;
        },

        filterItems: function(query) {
          var
            searchTerm = module.remove.diacritics(query !== undefined
              ? query
              : module.get.query()
            ),
            results          =  null,
            escapedTerm      = module.escape.string(searchTerm),
            regExpFlags      = (settings.ignoreSearchCase ? 'i' : '') + 'gm',
            beginsWithRegExp = new RegExp('^' + escapedTerm, regExpFlags)
          ;
          // avoid loop if we're matching nothing
          if( module.has.query() ) {
            results = [];

            module.verbose('Searching for matching values', searchTerm);
            $item
              .each(function(){
                var
                  $choice = $(this),
                  text,
                  value
                ;
                if($choice.hasClass(className.unfilterable)) {
                  results.push(this);
                  return true;
                }
                if(settings.match === 'both' || settings.match === 'text') {
                  text = module.remove.diacritics(String(module.get.choiceText($choice, false)));
                  if(text.search(beginsWithRegExp) !== -1) {
                    results.push(this);
                    return true;
                  }
                  else if (settings.fullTextSearch === 'exact' && module.exactSearch(searchTerm, text)) {
                    results.push(this);
                    return true;
                  }
                  else if (settings.fullTextSearch === true && module.fuzzySearch(searchTerm, text)) {
                    results.push(this);
                    return true;
                  }
                }
                if(settings.match === 'both' || settings.match === 'value') {
                  value = module.remove.diacritics(String(module.get.choiceValue($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)
            ;
          }

          if(!module.has.query()) {
            $divider
              .removeClass(className.hidden);
          } else if(settings.hideDividers === true) {
            $divider
              .addClass(className.hidden);
          } else if(settings.hideDividers === 'empty') {
            $divider
              .removeClass(className.hidden)
              .filter(function() {
                // First find the last divider in this divider group
                // Dividers which are direct siblings are considered a group
                var lastDivider = $(this).nextUntil(selector.item);

                return (lastDivider.length ? lastDivider : $(this))
                // Count all non-filtered items until the next divider (or end of the dropdown)
                  .nextUntil(selector.divider)
                  .filter(selector.item + ":not(." + className.filtered + ")")
                  // Hide divider if no items are found
                  .length === 0;
              })
              .addClass(className.hidden);
          }
        },

        fuzzySearch: function(query, term) {
          var
            termLength  = term.length,
            queryLength = query.length
          ;
          query = (settings.ignoreSearchCase ? query.toLowerCase() : query);
          term  = (settings.ignoreSearchCase ? term.toLowerCase() : term);
          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 = (settings.ignoreSearchCase ? query.toLowerCase() : query);
          term  = (settings.ignoreSearchCase ? term.toLowerCase() : term);
          return term.indexOf(query) > -1;

        },
        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();
            }
          }
        },

        blurSearch: function() {
          if( module.has.search() ) {
            $search.blur();
          }
        },

        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(settings.allowAdditions || (hasSelected && !module.is.multiple())) {
            module.debug('Forcing partial selection to selected item', $selectedItem);
            module.event.item.click.call($selectedItem, {}, true);
          }
          else {
            module.remove.searchTerm();
          }
        },

        change: {
          values: function(values) {
            if(!settings.allowAdditions) {
              module.clear();
            }
            module.debug('Creating dropdown with specified values', values);
            var menuConfig = {};
            menuConfig[fields.values] = values;
            module.setup.menu(menuConfig);
            $.each(values, function(index, item) {
              if(item.selected == true) {
                module.debug('Setting initial selection to', item[fields.value]);
                module.set.selected(item[fields.value]);
                if(!module.is.multiple()) {
                  return false;
                }
              }
            });

            if(module.has.selectInput()) {
              module.disconnect.selectObserver();
              $input.html('');
              $input.append('<option disabled selected value></option>');
              $.each(values, function(index, item) {
                var
                  value = settings.templates.deQuote(item[fields.value]),
                  name = settings.templates.escape(
                    item[fields.name] || '',
                    settings.preserveHTML
                  )
                ;
                $input.append('<option value="' + value + '">' + name + '</option>');
              });
              module.observe.select();
            }
          }
        },

        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(event) {
              activated = true;
              if(module.is.multiple()) {
                module.remove.activeLabel();
              }
              if(settings.showOnFocus || (event.type !== 'focus' && event.type !== 'focusin')) {
                module.search();
              }
            },
            blur: function(event) {
              pageLostFocus = (document.activeElement === this);
              if(module.is.searchSelection() && !willRefocus) {
                if(!itemActivated && !pageLostFocus) {
                  if(settings.forceSelection) {
                    module.forceSelection();
                  } else if(!settings.allowAdditions){
                    module.remove.searchTerm();
                  }
                  module.hide();
                }
              }
              willRefocus = false;
            }
          },
          clearIcon: {
            click: function(event) {
              module.clear();
              if(module.is.searchSelection()) {
                module.remove.searchTerm();
              }
              module.hide();
              event.stopPropagation();
            }
          },
          icon: {
            click: function(event) {
              iconClicked=true;
              if(module.has.search()) {
                if(!module.is.active()) {
                    if(settings.showOnFocus){
                      module.focusSearch();
                    } else {
                      module.toggle();
                    }
                } else {
                  module.blurSearch();
                }
              } else {
                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) {
              if(module.determine.eventInModule(event, module.hide)){
                if(element.id && $(event.target).attr('for') === element.id){
                  event.preventDefault();
                }
              }
            }
          },
          class: {
            mutation: function(mutations) {
              mutations.forEach(function(mutation) {
                if(mutation.attributeName === "class") {
                  module.check.disabled();
                }
              });
            }
          },
          select: {
            mutation: function(mutations) {
              module.debug('<select> modified, recreating menu');
              if(module.is.selectMutation(mutations)) {
                module.disconnect.selectObserver();
                module.refresh();
                module.setup.select();
                module.set.selected();
                module.observe.select();
              }
            }
          },
          menu: {
            mutation: function(mutations) {
              var
                mutation   = mutations[0],
                $addedNode = mutation.addedNodes
                  ? $(mutation.addedNodes[0])
                  : $(false),
                $removedNode = mutation.removedNodes
                  ? $(mutation.removedNodes[0])
                  : $(false),
                $changedNodes  = $addedNode.add($removedNode),
                isUserAddition = $changedNodes.is(selector.addition) || $changedNodes.closest(selector.addition).length > 0,
                isMessage      = $changedNodes.is(selector.message)  || $changedNodes.closest(selector.message).length > 0
              ;
              if(isUserAddition || isMessage) {
                module.debug('Updating item selector cache');
                module.refreshItems();
              }
              else {
                module.debug('Menu modified, updating selector cache');
                module.refresh();
              }
            },
            mousedown: function() {
              itemActivated = true;
            },
            mouseup: function() {
              itemActivated = false;
            }
          },
          item: {
            mouseenter: function(event) {
              var
                $target        = $(event.target),
                $item          = $(this),
                $subMenu       = $item.children(selector.menu),
                $otherMenus    = $item.siblings(selector.item).children(selector.menu),
                hasSubMenu     = ($subMenu.length > 0),
                isBubbledEvent = ($subMenu.find($target).length > 0)
              ;
              if( !isBubbledEvent && hasSubMenu ) {
                clearTimeout(module.itemTimer);
                module.itemTimer = setTimeout(function() {
                  module.verbose('Showing sub-menu', $subMenu);
                  $.each($otherMenus, function() {
                    module.animate.hide(false, $(this));
                  });
                  module.animate.show(false, $subMenu);
                }, settings.delay.show);
                event.preventDefault();
              }
            },
            mouseleave: function(event) {
              var
                $subMenu = $(this).children(selector.menu)
              ;
              if($subMenu.length > 0) {
                clearTimeout(module.itemTimer);
                module.itemTimer = setTimeout(function() {
                  module.verbose('Hiding sub-menu', $subMenu);
                  module.animate.hide(false, $subMenu);
                }, settings.delay.hide);
              }
            },
            click: function (event, skipRefocus) {
              var
                $choice        = $(this),
                $target        = (event)
                  ? $(event.target)
                  : $(''),
                $subMenu       = $choice.find(selector.menu),
                text           = module.get.choiceText($choice),
                value          = module.get.choiceValue($choice, text),
                hasSubMenu     = ($subMenu.length > 0),
                isBubbledEvent = ($subMenu.find($target).length > 0)
              ;
              // prevents IE11 bug where menu receives focus even though `tabindex=-1`
              if (document.activeElement.tagName.toLowerCase() !== 'input') {
                $(document.activeElement).blur();
              }
              if(!isBubbledEvent && (!hasSubMenu || settings.allowCategorySelection)) {
                if(module.is.searchSelection()) {
                  if(settings.allowAdditions) {
                    module.remove.userAddition();
                  }
                  module.remove.searchTerm();
                  if(!module.is.focusedOnSearch() && !(skipRefocus == true)) {
                    module.focusSearch(true);
                  }
                }
                if(!settings.useLabels) {
                  module.remove.filteredItem();
                  module.set.scrollPosition($choice);
                }
                module.determine.selectAction.call(this, text, value);
              }
            }
          },

          document: {
            // label selection should occur even when element has no focus
            keydown: function(event) {
              var
                pressedKey    = event.which,
                isShortcutKey = module.is.inObject(pressedKey, keys)
              ;
              if(isShortcutKey) {
                var
                  $label            = $module.find(selector.label),
                  $activeLabel      = $label.filter('.' + className.active),
                  activeValue       = $activeLabel.data(metadata.value),
                  labelIndex        = $label.index($activeLabel),
                  labelCount        = $label.length,
                  hasActiveLabel    = ($activeLabel.length > 0),
                  hasMultipleActive = ($activeLabel.length > 1),
                  isFirstLabel      = (labelIndex === 0),
                  isLastLabel       = (labelIndex + 1 == labelCount),
                  isSearch          = module.is.searchSelection(),
                  isFocusedOnSearch = module.is.focusedOnSearch(),
                  isFocused         = module.is.focused(),
                  caretAtStart      = (isFocusedOnSearch && module.get.caretPosition(false) === 0),
                  isSelectedSearch  = (caretAtStart && module.get.caretPosition(true) !== 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 && !isSelectedSearch && !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();
                }
                if(module.is.multiple()){
                    event.preventDefault();
                }
              }

              // 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();
                      if(module.is.multiple()) {
                          $search.focus();
                      }
                    }
                  }
                  event.preventDefault();
                }

                // sub-menu actions
                if(hasSelectedItem) {

                  if(pressedKey == keys.leftArrow) {

                    isSubMenuItem = ($parentMenu[0] !== $menu[0]);

                    if(isSubMenuItem) {
                      module.verbose('Left key pressed, closing sub-menu');
                      module.animate.hide(false, $parentMenu);
                      $selectedItem
                        .removeClass(className.selected)
                      ;
                      $parentMenu
                        .closest(selector.item)
                          .addClass(className.selected)
                      ;
                      event.preventDefault();
                    }
                  }

                  // right arrow (show sub-menu)
                  if(pressedKey == keys.rightArrow) {
                    if(hasSubMenu) {
                      module.verbose('Right key pressed, opening sub-menu');
                      module.animate.show(false, $subMenu);
                      $selectedItem
                        .removeClass(className.selected)
                      ;
                      $subMenu
                        .find(selector.item).eq(0)
                          .addClass(className.selected)
                      ;
                      event.preventDefault();
                    }
                  }
                }

                // up arrow (traverse menu up)
                if(pressedKey == keys.upArrow) {
                  $nextItem = (hasSelectedItem && inVisibleMenu)
                    ? $selectedItem.prevAll(selector.item + ':not(' + selector.unselectable + ')').eq(0)
                    : $item.eq(0)
                  ;
                  if($visibleItems.index( $nextItem ) < 0) {
                    module.verbose('Up key pressed but reached top of current menu');
                    event.preventDefault();
                    return;
                  }
                  else {
                    module.verbose('Up key pressed, changing active item');
                    $selectedItem
                      .removeClass(className.selected)
                    ;
                    $nextItem
                      .addClass(className.selected)
                    ;
                    module.set.scrollPosition($nextItem);
                    if(settings.selectOnKeydown && module.is.single()) {
                      module.set.selectedItem($nextItem);
                    }
                  }
                  event.preventDefault();
                }

                // down arrow (traverse menu down)
                if(pressedKey == keys.downArrow) {
                  $nextItem = (hasSelectedItem && inVisibleMenu)
                    ? $nextItem = $selectedItem.nextAll(selector.item + ':not(' + selector.unselectable + ')').eq(0)
                    : $item.eq(0)
                  ;
                  if($nextItem.length === 0) {
                    module.verbose('Down key pressed but reached bottom of current menu');
                    event.preventDefault();
                    return;
                  }
                  else {
                    module.verbose('Down key pressed, changing active item');
                    $item
                      .removeClass(className.selected)
                    ;
                    $nextItem
                      .addClass(className.selected)
                    ;
                    module.set.scrollPosition($nextItem);
                    if(settings.selectOnKeydown && module.is.single()) {
                      module.set.selectedItem($nextItem);
                    }
                  }
                  event.preventDefault();
                }

                // page down (show next page)
                if(pressedKey == keys.pageUp) {
                  module.scrollPage('up');
                  event.preventDefault();
                }
                if(pressedKey == keys.pageDown) {
                  module.scrollPage('down');
                  event.preventDefault();
                }

                // escape (close menu)
                if(pressedKey == keys.escape) {
                  module.verbose('Escape key pressed, closing dropdown');
                  module.hide();
                }

              }
              else {
                // delimiter key
                if(delimiterPressed) {
                  event.preventDefault();
                }
                // down arrow (open menu)
                if(pressedKey == keys.downArrow && !module.is.visible()) {
                  module.verbose('Down key pressed, showing dropdown');
                  module.show();
                  event.preventDefault();
                }
              }
            }
            else {
              if( !module.has.search() ) {
                module.set.selectedLetter( String.fromCharCode(pressedKey) );
              }
            }
          }
        },

        trigger: {
          change: function() {
            var
              inputElement = $input[0]
            ;
            if(inputElement) {
              var events = document.createEvent('HTMLEvents');
              module.verbose('Triggering native change event');
              events.initEvent('change', true, false);
              inputElement.dispatchEvent(events);
            }
          }
        },

        determine: {
          selectAction: function(text, value) {
            selectActionActive = true;
            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);
            }
            selectActionActive = false;
          },
          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($label).length === 0 || !(module.is.multiple() && settings.useLabels)),
              notInMenu    = ($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.hideAndClear();
              }
            }
          },

          select: function(text, value, element) {
            value = (value !== undefined)
              ? value
              : text
            ;
            if( module.can.activate( $(element) ) ) {
              module.set.value(value, text, $(element));
              if(!module.is.multiple()) {
                module.hideAndClear();
              }
            }
          },

          combo: function(text, value, element) {
            value = (value !== undefined)
              ? value
              : text
            ;
            module.set.selected(value, $(element));
            module.hideAndClear();
          },

          hide: function(text, value, element) {
            module.set.value(value, text, $(element));
            module.hideAndClear();
          }

        },

        get: {
          id: function() {
            return id;
          },
          defaultText: function() {
            return $module.data(metadata.defaultText);
          },
          defaultValue: function() {
            return $module.data(metadata.defaultValue);
          },
          placeholderText: function() {
            if(settings.placeholder != 'auto' && typeof settings.placeholder == 'string') {
              return settings.placeholder;
            }
            return $module.data(metadata.placeholderText) || '';
          },
          text: function() {
            return settings.preserveHTML ? $text.html() : $text.text();
          },
          query: function() {
            return String($search.val()).trim();
          },
          searchWidth: function(value) {
            value = (value !== undefined)
              ? value
              : $search.val()
            ;
            $sizer.text(value);
            // prevent rounding issues
            return Math.ceil( $sizer.width() + 1);
          },
          selectionCount: function() {
            var
              values = module.get.values(),
              count
            ;
            count = ( module.is.multiple() )
              ? Array.isArray(values)
                ? values.length
                : 0
              : (module.get.value() !== '')
                ? 1
                : 0
            ;
            return count;
          },
          transition: function($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 = Array.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(returnEndPos) {
            var
              input = $search.get(0),
              range,
              rangeLength
            ;
            if(returnEndPos && 'selectionEnd' in input){
              return input.selectionEnd;
            }
            else if(!returnEndPos && 'selectionStart' in input) {
              return input.selectionStart;
            }
            if (document.selection) {
              input.focus();
              range       = document.selection.createRange();
              rangeLength = range.text.length;
              if(returnEndPos) {
                return rangeLength;
              }
              range.moveStart('character', -input.value.length);
              return range.text.length - rangeLength;
            }
          },
          value: function() {
            var
              value = ($input.length > 0)
                ? $input.val()
                : $module.data(metadata.value),
              isEmptyMultiselect = (Array.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
                ? module.escape.htmlEntities(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)
                  ? $choice.html().trim()
                  : $choice.text().trim()
              ;
            }
          },
          choiceValue: function($choice, choiceText) {
            choiceText = choiceText || module.get.choiceText($choice);
            if(!$choice) {
              return false;
            }
            return ($choice.data(metadata.value) !== undefined)
              ? String( $choice.data(metadata.value) )
              : (typeof choiceText === 'string')
                ? String(
                  settings.ignoreSearchCase
                  ? choiceText.toLowerCase()
                  : choiceText
                ).trim()
                : 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 = {},
              oldGroup = [],
              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,
                    text     = ( $option.data(metadata.text) !== undefined )
                      ? $option.data(metadata.text)
                      : name,
                    group = $option.parent('optgroup')
                  ;
                  if(settings.placeholder === 'auto' && value === '') {
                    select.placeholder = name;
                  }
                  else {
                    if(group.length !== oldGroup.length || group[0] !== oldGroup[0]) {
                      values.push({
                        type: 'header',
                        divider: settings.headerDivider,
                        name: group.attr('label') || ''
                      });
                      oldGroup = group;
                    }
                    values.push({
                      name     : name,
                      value    : value,
                      text     : text,
                      disabled : disabled
                    });
                  }
                })
            ;
            if(settings.placeholder && settings.placeholder !== 'auto') {
              module.debug('Setting placeholder value to', settings.placeholder);
              select.placeholder = settings.placeholder;
            }
            if(settings.sortSelect) {
              if(settings.sortSelect === true) {
                values.sort(function(a, b) {
                  return a.name.localeCompare(b.name);
                });
              } else if(settings.sortSelect === 'natural') {
                values.sort(function(a, b) {
                  return (a.name.toLowerCase().localeCompare(b.name.toLowerCase()));
                });
              } else if($.isFunction(settings.sortSelect)) {
                values.sort(settings.sortSelect);
              }
              select[fields.values] = values;
              module.debug('Retrieved and sorted values from select', select);
            }
            else {
              select[fields.values] = values;
              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()
            ;
            isMultiple = (module.is.multiple() && Array.isArray(value));
            shouldSearch = (isMultiple)
              ? (value.length > 0)
              : (value !== undefined && value !== null)
            ;
            strict     = (value === '' || value === false  || value === true)
              ? 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(module.escape.htmlEntities(String(optionValue)), value.map(function(v){return String(v);})) !== -1) {
                      $selectedItem = ($selectedItem)
                        ? $selectedItem.add($choice)
                        : $choice
                      ;
                    }
                  }
                  else if(strict) {
                    module.verbose('Ambiguous dropdown value using strict type check', $choice, value);
                    if( optionValue === value) {
                      $selectedItem = $choice;
                      return true;
                    }
                  }
                  else {
                    if(settings.ignoreCase) {
                      optionValue = optionValue.toLowerCase();
                      value = value.toLowerCase();
                    }
                    if(module.escape.htmlEntities(String(optionValue)) === module.escape.htmlEntities(String(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;
          },
          disabled: function(){
            $search.attr('tabindex',module.is.disabled() ? -1 : 0);
          }
        },

        restore: {
          defaults: function(preventChangeTrigger) {
            module.clear(preventChangeTrigger);
            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();
            }
            var value = module.get.value();
            if(value && value !== '' && !(Array.isArray(value) && value.length === 0)) {
              $input.removeClass(className.noselection);
            } else {
              $input.addClass(className.noselection);
            }
            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(preventChangeTrigger) {
          if(module.is.multiple() && settings.useLabels) {
            module.remove.labels();
          }
          else {
            module.remove.activeItem();
            module.remove.selectedItem();
            module.remove.filteredItem();
          }
          module.set.placeholderText();
          module.clearValue(preventChangeTrigger);
        },

        clearValue: function(preventChangeTrigger) {
          module.set.value('', null, null, preventChangeTrigger);
        },

        scrollPage: function(direction, $selectedItem) {
          var
            $currentItem  = $selectedItem || module.get.selectedItem(),
            $menu         = $currentItem.closest(selector.menu),
            menuHeight    = $menu.outerHeight(),
            currentScroll = $menu.scrollTop(),
            itemHeight    = $item.eq(0).outerHeight(),
            itemsPerPage  = Math.floor(menuHeight / itemHeight),
            maxScroll     = $menu.prop('scrollHeight'),
            newScroll     = (direction == 'up')
              ? currentScroll - (itemHeight * itemsPerPage)
              : currentScroll + (itemHeight * itemsPerPage),
            $selectableItem = $item.not(selector.unselectable),
            isWithinRange,
            $nextSelectedItem,
            elementIndex
          ;
          elementIndex      = (direction == 'up')
            ? $selectableItem.index($currentItem) - itemsPerPage
            : $selectableItem.index($currentItem) + itemsPerPage
          ;
          isWithinRange = (direction == 'up')
            ? (elementIndex >= 0)
            : (elementIndex < $selectableItem.length)
          ;
          $nextSelectedItem = (isWithinRange)
            ? $selectableItem.eq(elementIndex)
            : (direction == 'up')
              ? $selectableItem.first()
              : $selectableItem.last()
          ;
          if($nextSelectedItem.length > 0) {
            module.debug('Scrolling page', direction, $nextSelectedItem);
            $currentItem
              .removeClass(className.selected)
            ;
            $nextSelectedItem
              .addClass(className.selected)
            ;
            if(settings.selectOnKeydown && module.is.single()) {
              module.set.selectedItem($nextSelectedItem);
            }
            $menu
              .scrollTop(newScroll)
            ;
          }
        },

        set: {
          filtered: function() {
            var
              isMultiple       = module.is.multiple(),
              isSearch         = module.is.searchSelection(),
              isSearchMultiple = (isMultiple && isSearch),
              searchValue      = (isSearch)
                ? module.get.query()
                : '',
              hasSearchValue   = (typeof searchValue === 'string' && searchValue.length > 0),
              searchWidth      = module.get.searchWidth(),
              valueIsSet       = searchValue !== ''
            ;
            if(isMultiple && hasSearchValue) {
              module.verbose('Adjusting input width', searchWidth, settings.glyphWidth);
              $search.css('width', searchWidth);
            }
            if(hasSearchValue || (isSearchMultiple && valueIsSet)) {
              module.verbose('Hiding placeholder text');
              $text.addClass(className.filtered);
            }
            else if(!isMultiple || (isSearchMultiple && !valueIsSet)) {
              module.verbose('Showing placeholder text');
              $text.removeClass(className.filtered);
            }
          },
          empty: function() {
            $module.addClass(className.empty);
          },
          loading: function() {
            $module.addClass(className.loading);
          },
          placeholderText: function(text) {
            text = text || module.get.placeholderText();
            module.debug('Setting placeholder text', text);
            module.set.text(text);
            $text.addClass(className.placeholder);
          },
          tabbable: function() {
            if( module.is.searchSelection() ) {
              module.debug('Added tabindex to searchable dropdown');
              $search
                .val('')
              ;
              module.check.disabled();
              $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 && $item.length > 0);
            forceScroll = (forceScroll !== undefined)
              ? forceScroll
              : false
            ;
            if(module.get.activeItem().length === 0){
              forceScroll = false;
            }
            if($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 === 'combo') {
              module.debug('Changing combo button text', text, $combo);
              if(settings.preserveHTML) {
                $combo.html(text);
              }
              else {
                $combo.text(text);
              }
            }
            else if(settings.action === 'activate') {
              if(text !== module.get.placeholderText()) {
                $text.removeClass(className.placeholder);
              }
              module.debug('Changing text', text, $text);
              $text
                .removeClass(className.filtered)
              ;
              if(settings.preserveHTML) {
                $text.html(text);
              }
              else {
                $text.text(text);
              }
            }
          },
          selectedItem: function($item) {
            var
              value      = module.get.choiceValue($item),
              searchText = module.get.choiceText($item, false),
              text       = module.get.choiceText($item, true)
            ;
            module.debug('Setting user selection to item', $item);
            module.remove.activeItem();
            module.set.partialSearch(searchText);
            module.set.activeItem($item);
            module.set.selected(value, $item);
            module.set.text(text);
          },
          selectedLetter: function(letter) {
            var
              $selectedItem         = $item.filter('.' + className.selected),
              alreadySelectedLetter = $selectedItem.length > 0 && module.has.firstLetter($selectedItem, letter),
              $nextValue            = false,
              $nextItem
            ;
            // check next of same letter
            if(alreadySelectedLetter) {
              $nextItem = $selectedItem.nextAll($item).eq(0);
              if( module.has.firstLetter($nextItem, letter) ) {
                $nextValue  = $nextItem;
              }
            }
            // check all values
            if(!$nextValue) {
              $item
                .each(function(){
                  if(module.has.firstLetter($(this), letter)) {
                    $nextValue = $(this);
                    return false;
                  }
                })
              ;
            }
            // set next value
            if($nextValue) {
              module.verbose('Scrolling to next value with letter', letter);
              module.set.scrollPosition($nextValue);
              $selectedItem.removeClass(className.selected);
              $nextValue.addClass(className.selected);
              if(settings.selectOnKeydown && module.is.single()) {
                module.set.selectedItem($nextValue);
              }
            }
          },
          direction: function($menu) {
            if(settings.direction == 'auto') {
              // reset position, remove upward if it's base menu
              if (!$menu) {
                module.remove.upward();
              } else if (module.is.upward($menu)) {
                //we need make sure when make assertion openDownward for $menu, $menu does not have upward class
                module.remove.upward($menu);
              }

              if(module.can.openDownward($menu)) {
                module.remove.upward($menu);
              }
              else {
                module.set.upward($menu);
              }
              if(!module.is.leftward($menu) && !module.can.openRightward($menu)) {
                module.set.leftward($menu);
              }
            }
            else if(settings.direction == 'upward') {
              module.set.upward($menu);
            }
          },
          upward: function($currentMenu) {
            var $element = $currentMenu || $module;
            $element.addClass(className.upward);
          },
          leftward: function($currentMenu) {
            var $element = $currentMenu || $menu;
            $element.addClass(className.leftward);
          },
          value: function(value, text, $selected, preventChangeTrigger) {
            if(value !== undefined && value !== '' && !(Array.isArray(value) && value.length === 0)) {
              $input.removeClass(className.noselection);
            } else {
              $input.addClass(className.noselection);
            }
            var
              escapedValue = module.escape.value(value),
              hasInput     = ($input.length > 0),
              currentValue = module.get.values(),
              stringValue  = (value !== undefined)
                ? String(value)
                : value,
              newValue
            ;
            if(hasInput) {
              if(!settings.allowReselection && stringValue == currentValue) {
                module.verbose('Skipping value update already same value', value, currentValue);
                if(!module.is.initialLoad()) {
                  return;
                }
              }

              if( module.is.single() && module.has.selectInput() && module.can.extendSelect() ) {
                module.debug('Adding user option', value);
                module.add.optionValue(value);
              }
              module.debug('Updating input value', escapedValue, currentValue);
              internalChange = true;
              $input
                .val(escapedValue)
              ;
              if(settings.fireOnInit === false && module.is.initialLoad()) {
                module.debug('Input native change event ignored on initial load');
              }
              else if(preventChangeTrigger !== true) {
                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 if(preventChangeTrigger !== true) {
              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()
            ;
            $selectedItem = (settings.allowAdditions)
              ? $selectedItem || module.get.itemWithAdditions(value)
              : $selectedItem || module.get.item(value)
            ;
            if(!$selectedItem) {
              return;
            }
            module.debug('Setting selected menu item to', $selectedItem);
            if(module.is.multiple()) {
              module.remove.searchWidth();
            }
            if(module.is.single()) {
              module.remove.activeItem();
              module.remove.selectedItem();
            }
            else if(settings.useLabels) {
              module.remove.selectedItem();
            }
            // select each item
            $selectedItem
              .each(function() {
                var
                  $selected      = $(this),
                  selectedText   = module.get.choiceText($selected),
                  selectedValue  = module.get.choiceValue($selected, selectedText),

                  isFiltered     = $selected.hasClass(className.filtered),
                  isActive       = $selected.hasClass(className.active),
                  isUserValue    = $selected.hasClass(className.addition),
                  shouldAnimate  = (isMultiple && $selectedItem.length == 1)
                ;
                if(isMultiple) {
                  if(!isActive || isUserValue) {
                    if(settings.apiSettings && settings.saveRemoteData) {
                      module.save.remoteData(selectedText, selectedValue);
                    }
                    if(settings.useLabels) {
                      module.add.label(selectedValue, selectedText, shouldAnimate);
                      module.add.value(selectedValue, selectedText, $selected);
                      module.set.activeItem($selected);
                      module.filterActive();
                      module.select.nextAvailable($selectedItem);
                    }
                    else {
                      module.add.value(selectedValue, selectedText, $selected);
                      module.set.text(module.add.variables(message.count));
                      module.set.activeItem($selected);
                    }
                  }
                  else if(!isFiltered && (settings.useLabels || selectActionActive)) {
                    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)
                  ;
                }
              })
            ;
            module.remove.searchTerm();
          }
        },

        add: {
          label: function(value, text, shouldAnimate) {
            var
              $next  = module.is.searchSelection()
                ? $search
                : $text,
              escapedValue = module.escape.value(value),
              $label
            ;
            if(settings.ignoreCase) {
              escapedValue = escapedValue.toLowerCase();
            }
            $label =  $('<a />')
              .addClass(className.label)
              .attr('data-' + metadata.value, escapedValue)
              .html(templates.label(escapedValue, text, settings.preserveHTML, settings.className))
            ;
            $label = settings.onLabelCreate.call($label, escapedValue, text);

            if(module.has.label(value)) {
              module.debug('User selection already exists, skipping', escapedValue);
              return;
            }
            if(settings.label.variation) {
              $label.addClass(settings.label.variation);
            }
            if(shouldAnimate === true) {
              module.debug('Animating in label', $label);
              $label
                .addClass(className.hidden)
                .insertBefore($next)
                .transition({
                    animation  : settings.label.transition,
                    debug      : settings.debug,
                    verbose    : settings.verbose,
                    duration   : settings.label.duration
                })
              ;
            }
            else {
              module.debug('Adding selection label', $label);
              $label
                .insertBefore($next)
              ;
            }
          },
          message: function(message) {
            var
              $message = $menu.children(selector.message),
              html     = settings.templates.message(module.add.variables(message))
            ;
            if($message.length > 0) {
              $message
                .html(html)
              ;
            }
            else {
              $message = $('<div/>')
                .html(html)
                .addClass(className.message)
                .appendTo($menu)
              ;
            }
          },
          optionValue: function(value) {
            var
              escapedValue = module.escape.value(value),
              $option      = $input.find('option[value="' + module.escape.string(escapedValue) + '"]'),
              hasOption    = ($option.length > 0)
            ;
            if(hasOption) {
              return;
            }
            // temporarily disconnect observer
            module.disconnect.selectObserver();
            if( module.is.single() ) {
              module.verbose('Removing previous user addition');
              $input.find('option.' + className.addition).remove();
            }
            $('<option/>')
              .prop('value', escapedValue)
              .addClass(className.addition)
              .html(value)
              .appendTo($input)
            ;
            module.verbose('Adding user addition as an <option>', value);
            module.observe.select();
          },
          userSuggestion: function(value) {
            var
              $addition         = $menu.children(selector.addition),
              $existingItem     = module.get.item(value),
              alreadyHasValue   = $existingItem && $existingItem.not(selector.addition).length,
              hasUserSuggestion = $addition.length > 0,
              html
            ;
            if(settings.useLabels && module.has.maxSelections()) {
              return;
            }
            if(value === '' || alreadyHasValue) {
              $addition.remove();
              return;
            }
            if(hasUserSuggestion) {
              $addition
                .data(metadata.value, value)
                .data(metadata.text, value)
                .attr('data-' + metadata.value, value)
                .attr('data-' + metadata.text, value)
                .removeClass(className.filtered)
              ;
              if(!settings.hideAdditions) {
                html = settings.templates.addition( module.add.variables(message.addResult, value) );
                $addition
                  .html(html)
                ;
              }
              module.verbose('Replacing user suggestion with new value', $addition);
            }
            else {
              $addition = module.create.userChoice(value);
              $addition
                .prependTo($menu)
              ;
              module.verbose('Adding item choice to menu corresponding with user choice addition', $addition);
            }
            if(!settings.hideAdditions || module.is.allFiltered()) {
              $addition
                .addClass(className.selected)
                .siblings()
                .removeClass(className.selected)
              ;
            }
            module.refreshItems();
          },
          variables: function(message, term) {
            var
              hasCount    = (message.search('{count}') !== -1),
              hasMaxCount = (message.search('{maxCount}') !== -1),
              hasTerm     = (message.search('{term}') !== -1),
              count,
              query
            ;
            module.verbose('Adding templated variables to message', message);
            if(hasCount) {
              count  = module.get.selectionCount();
              message = message.replace('{count}', count);
            }
            if(hasMaxCount) {
              count  = module.get.selectionCount();
              message = message.replace('{maxCount}', settings.maxSelections);
            }
            if(hasTerm) {
              query   = term || module.get.query();
              message = message.replace('{term}', query);
            }
            return message;
          },
          value: function(addedValue, addedText, $selectedItem) {
            var
              currentValue = module.get.values(),
              newValue
            ;
            if(module.has.value(addedValue)) {
              module.debug('Value already selected');
              return;
            }
            if(addedValue === '') {
              module.debug('Cannot select blank values from multiselect');
              return;
            }
            // extend current array
            if(Array.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, addedText, $selectedItem);
            module.check.maxSelections();
          },
        },

        remove: {
          active: function() {
            $module.removeClass(className.active);
          },
          activeLabel: function() {
            $module.find(selector.label).removeClass(className.active);
          },
          empty: function() {
            $module.removeClass(className.empty);
          },
          loading: function() {
            $module.removeClass(className.loading);
          },
          initialLoad: function() {
            initialLoad = false;
          },
          upward: function($currentMenu) {
            var $element = $currentMenu || $module;
            $element.removeClass(className.upward);
          },
          leftward: function($currentMenu) {
            var $element = $currentMenu || $menu;
            $element.removeClass(className.leftward);
          },
          visible: function() {
            $module.removeClass(className.visible);
          },
          activeItem: function() {
            $item.removeClass(className.active);
          },
          filteredItem: function() {
            if(settings.useLabels && module.has.maxSelections() ) {
              return;
            }
            if(settings.useLabels && module.is.multiple()) {
              $item.not('.' + className.active).removeClass(className.filtered);
            }
            else {
              $item.removeClass(className.filtered);
            }
            if(settings.hideDividers) {
              $divider.removeClass(className.hidden);
            }
            module.remove.empty();
          },
          optionValue: function(value) {
            var
              escapedValue = module.escape.value(value),
              $option      = $input.find('option[value="' + module.escape.string(escapedValue) + '"]'),
              hasOption    = ($option.length > 0)
            ;
            if(!hasOption || !$option.hasClass(className.addition)) {
              return;
            }
            // temporarily disconnect observer
            if(selectObserver) {
              selectObserver.disconnect();
              module.verbose('Temporarily disconnecting mutation observer');
            }
            $option.remove();
            module.verbose('Removing user addition as an <option>', escapedValue);
            if(selectObserver) {
              selectObserver.observe($input[0], {
                childList : true,
                subtree   : true
              });
            }
          },
          message: function() {
            $menu.children(selector.message).remove();
          },
          searchWidth: function() {
            $search.css('width', '');
          },
          searchTerm: function() {
            module.verbose('Cleared search term');
            $search.val('');
            module.set.filtered();
          },
          userAddition: function() {
            $item.filter(selector.addition).remove();
          },
          selected: function(value, $selectedItem) {
            $selectedItem = (settings.allowAdditions)
              ? $selectedItem || module.get.itemWithAdditions(value)
              : $selectedItem || module.get.item(value)
            ;

            if(!$selectedItem) {
              return false;
            }

            $selectedItem
              .each(function() {
                var
                  $selected     = $(this),
                  selectedText  = module.get.choiceText($selected),
                  selectedValue = module.get.choiceValue($selected, selectedText)
                ;
                if(module.is.multiple()) {
                  if(settings.useLabels) {
                    module.remove.value(selectedValue, selectedText, $selected);
                    module.remove.label(selectedValue);
                  }
                  else {
                    module.remove.value(selectedValue, selectedText, $selected);
                    if(module.get.selectionCount() === 0) {
                      module.set.placeholderText();
                    }
                    else {
                      module.set.text(module.add.variables(message.count));
                    }
                  }
                }
                else {
                  module.remove.value(selectedValue, selectedText, $selected);
                }
                $selected
                  .removeClass(className.filtered)
                  .removeClass(className.active)
                ;
                if(settings.useLabels) {
                  $selected.removeClass(className.selected);
                }
              })
            ;
          },
          selectedItem: function() {
            $item.removeClass(className.selected);
          },
          value: function(removedValue, removedText, $removedItem) {
            var
              values = module.get.values(),
              newValue
            ;
            removedValue = module.escape.htmlEntities(removedValue);
            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( !Array.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(settings.ignoreCase ? value.toLowerCase() : 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')
              ;
            }
          },
          diacritics: function(text) {
            return settings.ignoreDiacritics ?  text.normalize('NFD').replace(/[\u0300-\u036f]/g, '') : text;
          }
        },

        has: {
          menuSearch: function() {
            return (module.has.search() && $search.closest($menu).length > 0);
          },
          clearItem: function() {
            return ($clear.length > 0);
          },
          search: function() {
            return ($search.length > 0);
          },
          sizer: function() {
            return ($sizer.length > 0);
          },
          selectInput: function() {
            return ( $input.is('select') );
          },
          minCharacters: function(searchTerm) {
            if(settings.minCharacters && !iconClicked) {
              searchTerm = (searchTerm !== undefined)
                ? String(searchTerm)
                : String(module.get.query())
              ;
              return (searchTerm.length >= settings.minCharacters);
            }
            iconClicked=false;
            return true;
          },
          firstLetter: function($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 = Array.isArray(values)
               ? values && ($.inArray(value, values) !== -1)
               : (values == value)
            ;
            return (hasValue)
              ? true
              : false
            ;
          },
          valueIgnoringCase: function(value) {
            var
              values   = module.get.values(),
              hasValue = false
            ;
            if(!Array.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 $selectedMenu.hasClass(className.leftward);
          },
          clearable: function() {
            return ($module.hasClass(className.clearable) || settings.clearable);
          },
          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).is('select') || $(mutation.addedNodes).is('select')) {
                selectChanged = true;
                return false;
              }
            });
            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) ) {
              var displayType = $module.hasClass('column') ? 'flex' : false;
              if(transition == 'none') {
                start();
                $currentMenu.transition({
                  displayType: displayType
                }).transition('show');
                callback.call(element);
              }
              else if($.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,
                    displayType: displayType,
                    onComplete : function() {
                      callback.call(element);
                    }
                  })
                ;
              }
              else {
                module.error(error.noTransition, transition);
              }
            }
          },
          hide: function(callback, $subMenu) {
            var
              $currentMenu = $subMenu || $menu,
              start = ($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 = Array.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) {
              $.each(value, function(index, value){
                values.push(value.replace(regExp.quote, '&quot;'));
              });
              return values;
            }
            return value.replace(regExp.quote, '&quot;');
          },
          string: function(text) {
            text =  String(text);
            return text.replace(regExp.escape, '\\$&');
          },
          htmlEntities: function(string) {
              var
                  badChars     = /[<>"'`]/g,
                  shouldEscape = /[&<>"'`]/,
                  escape       = {
                      "<": "&lt;",
                      ">": "&gt;",
                      '"': "&quot;",
                      "'": "&#x27;",
                      "`": "&#x60;"
                  },
                  escapedChar  = function(chr) {
                      return escape[chr];
                  }
              ;
              if(shouldEscape.test(string)) {
                  string = string.replace(/&(?![a-z0-9#]{1,6};)/, "&amp;");
                  return string.replace(badChars, escapedChar);
              }
              return string;
          }
        },

        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(Array.isArray(returnedValue)) {
            returnedValue.push(response);
          }
          else if(returnedValue !== undefined) {
            returnedValue = [returnedValue, response];
          }
          else if(response !== undefined) {
            returnedValue = response;
          }
          return found;
        }
      };

      if(methodInvoked) {
        if(instance === undefined) {
          module.initialize();
        }
        module.invoke(query);
      }
      else {
        if(instance !== undefined) {
          instance.invoke('destroy');
        }
        module.initialize();
      }
    })
  ;
  return (returnedValue !== undefined)
    ? returnedValue
    : $allModules
  ;
};

$.fn.dropdown.settings = {

  silent                 : false,
  debug                  : false,
  verbose                : false,
  performance            : true,

  on                     : 'click',    // what event should show menu action on item selection
  action                 : 'activate', // action on item selection (nothing, activate, select, combo, hide, function(){})

  values                 : false,      // specify values to use for dropdown

  clearable              : false,      // whether the value of the dropdown can be cleared

  apiSettings            : false,
  selectOnKeydown        : true,       // Whether selection should occur automatically when keyboard shortcuts used
  minCharacters          : 0,          // Minimum characters required to trigger API call

  filterRemoteData       : false,      // Whether API results should be filtered after being returned for query term
  saveRemoteData         : true,       // Whether remote name/value pairs should be stored in sessionStorage to allow remote data to be restored on page refresh

  throttle               : 200,        // How long to wait after last user input to search remotely

  context                : window,     // Context to use when determining if on screen
  direction              : 'auto',     // Whether dropdown should always open in one direction
  keepOnScreen           : true,       // Whether dropdown should check whether it is on screen before showing

  match                  : 'both',     // what to match against with search selection (both, text, or label)
  fullTextSearch         : false,      // search anywhere in value (set to 'exact' to require exact matches)
  ignoreDiacritics       : false,      // match results also if they contain diacritics of the same base character (for example searching for "a" will also match "á" or "â" or "à", etc...)
  hideDividers           : false,      // Whether to hide any divider elements (specified in selector.divider) that are sibling to any items when searched (set to true will hide all dividers, set to 'empty' will hide them when they are not followed by a visible item)

  placeholder            : 'auto',     // whether to convert blank <select> values to placeholder text
  preserveHTML           : true,       // preserve html when selecting value
  sortSelect             : false,      // sort selection on init

  forceSelection         : true,       // force a choice on blur with search selection

  allowAdditions         : false,      // whether multiple select should allow user added values
  ignoreCase             : false,      // whether to consider case sensitivity when creating labels
  ignoreSearchCase       : true,       // whether to consider case sensitivity when filtering items
  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

  headerDivider          : true,       // whether option headers should have an additional divider line underneath when converted from <select> <optgroup>

  // 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>',
    noNormalize     : '"ignoreDiacritics" setting will be ignored. Browser does not support String().normalize(). You may consider including <https://cdn.jsdelivr.net/npm/unorm@1.4.1/lib/unorm.min.js> as a polyfill.'
  },

  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
    type         : 'type',     // type of dropdown element
    image        : 'image',    // optional image path
    imageClass   : 'imageClass', // optional individual class for image
    icon         : 'icon',     // optional icon name
    iconClass    : 'iconClass', // optional individual class for icon (for example to use flag instead)
    class        : 'class',    // optional individual class for item/header
    divider      : 'divider'   // optional divider append for group headers
  },

  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',
    divider      : '.divider, .header',
    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        : '> span.sizer',
    text         : '> .text:not(.icon)',
    unselectable : '.disabled, .filtered',
    clearIcon    : '> .remove.icon'
  },

  className : {
    active      : 'active',
    addition    : 'addition',
    animating   : 'animating',
    disabled    : 'disabled',
    empty       : 'empty',
    dropdown    : 'ui dropdown',
    filtered    : 'filtered',
    hidden      : 'hidden transition',
    icon        : 'icon',
    image       : 'image',
    item        : 'item',
    label       : 'ui label',
    loading     : 'loading',
    menu        : 'menu',
    message     : 'message',
    multiple    : 'multiple',
    placeholder : 'default',
    sizer       : 'sizer',
    search      : 'search',
    selected    : 'selected',
    selection   : 'selection',
    upward      : 'upward',
    leftward    : 'left',
    visible     : 'visible',
    clearable   : 'clearable',
    noselection : 'noselection',
    delete      : 'delete',
    header      : 'header',
    divider     : 'divider',
    groupIcon   : '',
    unfilterable : 'unfilterable'
  }

};

/* Templates */
$.fn.dropdown.settings.templates = {
  deQuote: function(string) {
      return String(string).replace(/"/g,"");
  },
  escape: function(string, preserveHTML) {
    if (preserveHTML){
      return string;
    }
    var
        badChars     = /[<>"'`]/g,
        shouldEscape = /[&<>"'`]/,
        escape       = {
          "<": "&lt;",
          ">": "&gt;",
          '"': "&quot;",
          "'": "&#x27;",
          "`": "&#x60;"
        },
        escapedChar  = function(chr) {
          return escape[chr];
        }
    ;
    if(shouldEscape.test(string)) {
      string = string.replace(/&(?![a-z0-9#]{1,6};)/, "&amp;");
      return string.replace(badChars, escapedChar);
    }
    return string;
  },
  // generates dropdown from select values
  dropdown: function(select, fields, preserveHTML, className) {
    var
      placeholder = select.placeholder || false,
      html        = '',
      escape = $.fn.dropdown.settings.templates.escape
    ;
    html +=  '<i class="dropdown icon"></i>';
    if(placeholder) {
      html += '<div class="default text">' + escape(placeholder,preserveHTML) + '</div>';
    }
    else {
      html += '<div class="text"></div>';
    }
    html += '<div class="'+className.menu+'">';
    html += $.fn.dropdown.settings.templates.menu(select, fields, preserveHTML,className);
    html += '</div>';
    return html;
  },

  // generates just menu from select
  menu: function(response, fields, preserveHTML, className) {
    var
      values = response[fields.values] || [],
      html   = '',
      escape = $.fn.dropdown.settings.templates.escape,
      deQuote = $.fn.dropdown.settings.templates.deQuote
    ;
    $.each(values, function(index, option) {
      var
        itemType = (option[fields.type])
          ? option[fields.type]
          : 'item'
      ;

      if( itemType === 'item' ) {
        var
          maybeText = (option[fields.text])
            ? ' data-text="' + deQuote(option[fields.text]) + '"'
            : '',
          maybeDisabled = (option[fields.disabled])
            ? className.disabled+' '
            : ''
        ;
        html += '<div class="'+ maybeDisabled + (option[fields.class] ? deQuote(option[fields.class]) : className.item)+'" data-value="' + deQuote(option[fields.value]) + '"' + maybeText + '>';
        if(option[fields.image]) {
          html += '<img class="'+(option[fields.imageClass] ? deQuote(option[fields.imageClass]) : className.image)+'" src="' + deQuote(option[fields.image]) + '">';
        }
        if(option[fields.icon]) {
          html += '<i class="'+deQuote(option[fields.icon])+' '+(option[fields.iconClass] ? deQuote(option[fields.iconClass]) : className.icon)+'"></i>';
        }
        html +=   escape(option[fields.name] || '', preserveHTML);
        html += '</div>';
      } else if (itemType === 'header') {
        var groupName = escape(option[fields.name] || '', preserveHTML),
            groupIcon = option[fields.icon] ? deQuote(option[fields.icon]) : className.groupIcon
        ;
        if(groupName !== '' || groupIcon !== '') {
          html += '<div class="' + (option[fields.class] ? deQuote(option[fields.class]) : className.header) + '">';
          if (groupIcon !== '') {
            html += '<i class="' + groupIcon + ' ' + (option[fields.iconClass] ? deQuote(option[fields.iconClass]) : className.icon) + '"></i>';
          }
          html += groupName;
          html += '</div>';
        }
        if(option[fields.divider]){
          html += '<div class="'+className.divider+'"></div>';
        }
      }
    });
    return html;
  },

  // generates label for multiselect
  label: function(value, text, preserveHTML, className) {
    var
        escape = $.fn.dropdown.settings.templates.escape;
    return escape(text,preserveHTML) + '<i class="'+className.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 );

/*!
 * # Fomantic-UI - Form Validation
 * http://github.com/fomantic/Fomantic-UI/
 *
 *
 * Released under the MIT license
 * http://opensource.org/licenses/MIT
 *
 */

;(function ($, window, document, undefined) {

'use strict';

$.isFunction = $.isFunction || function(obj) {
  return typeof obj === "function" && typeof obj.nodeType !== "number";
};

window = (typeof window != 'undefined' && window.Math == Math)
  ? window
  : (typeof self != 'undefined' && self.Math == Math)
    ? self
    : Function('return this')()
;

$.fn.form = function(parameters) {
  var
    $allModules      = $(this),
    moduleSelector   = $allModules.selector || '',

    time             = new Date().getTime(),
    performance      = [],

    query            = arguments[0],
    legacyParameters = arguments[1],
    methodInvoked    = (typeof query == 'string'),
    queryArguments   = [].slice.call(arguments, 1),
    returnedValue
  ;
  $allModules
    .each(function() {
      var
        $module     = $(this),
        element     = this,

        formErrors  = [],
        keyHeldDown = false,

        // set at run-time
        $field,
        $group,
        $message,
        $prompt,
        $submit,
        $clear,
        $reset,

        settings,
        validation,

        metadata,
        selector,
        className,
        regExp,
        error,

        namespace,
        moduleNamespace,
        eventNamespace,

        submitting = false,
        dirty = false,
        history = ['clean', 'clean'],

        instance,
        module
      ;

      module      = {

        initialize: function() {

          // settings grabbed at run time
          module.get.settings();
          if(methodInvoked) {
            if(instance === undefined) {
              module.instantiate();
            }
            module.invoke(query);
          }
          else {
            if(instance !== undefined) {
              instance.invoke('destroy');
            }
            module.verbose('Initializing form validation', $module, settings);
            module.bindEvents();
            module.set.defaults();
            if (settings.autoCheckRequired) {
              module.set.autoCheck();
            }
            module.instantiate();
          }
        },

        instantiate: function() {
          module.verbose('Storing instance of module', module);
          instance = module;
          $module
            .data(moduleNamespace, module)
          ;
        },

        destroy: function() {
          module.verbose('Destroying previous module', instance);
          module.removeEvents();
          $module
            .removeData(moduleNamespace)
          ;
        },

        refresh: function() {
          module.verbose('Refreshing selector cache');
          $field      = $module.find(selector.field);
          $group      = $module.find(selector.group);
          $message    = $module.find(selector.message);
          $prompt     = $module.find(selector.prompt);

          $submit     = $module.find(selector.submit);
          $clear      = $module.find(selector.clear);
          $reset      = $module.find(selector.reset);
        },

        submit: function() {
          module.verbose('Submitting form', $module);
          submitting = true;
          $module.submit();
        },

        attachEvents: function(selector, action) {
          action = action || 'submit';
          $(selector).on('click' + eventNamespace, function(event) {
            module[action]();
            event.preventDefault();
          });
        },

        bindEvents: function() {
          module.verbose('Attaching form events');
          $module
            .on('submit' + eventNamespace, module.validate.form)
            .on('blur'   + eventNamespace, selector.field, module.event.field.blur)
            .on('click'  + eventNamespace, selector.submit, module.submit)
            .on('click'  + eventNamespace, selector.reset, module.reset)
            .on('click'  + eventNamespace, selector.clear, module.clear)
          ;
          if(settings.keyboardShortcuts) {
            $module.on('keydown' + eventNamespace, selector.field, module.event.field.keydown);
          }
          $field.each(function(index, el) {
            var
              $input     = $(el),
              type       = $input.prop('type'),
              inputEvent = module.get.changeEvent(type, $input)
            ;
            $input.on(inputEvent + eventNamespace, module.event.field.change);
          });

          // Dirty events
          if (settings.preventLeaving) {
            $(window).on('beforeunload' + eventNamespace, module.event.beforeUnload);
          }

          $field.on('change click keyup keydown blur', function(e) {
            $(this).triggerHandler(e.type + ".dirty");
          });

          $field.on('change.dirty click.dirty keyup.dirty keydown.dirty blur.dirty', module.determine.isDirty);

          $module.on('dirty' + eventNamespace, function(e) {
            settings.onDirty.call();
          });

          $module.on('clean' + eventNamespace, function(e) {
            settings.onClean.call();
          })
        },

        clear: function() {
          $field.each(function (index, el) {
            var
              $field       = $(el),
              $element     = $field.parent(),
              $fieldGroup  = $field.closest($group),
              $prompt      = $fieldGroup.find(selector.prompt),
              $calendar    = $field.closest(selector.uiCalendar),
              defaultValue = $field.data(metadata.defaultValue) || '',
              isCheckbox   = $element.is(selector.uiCheckbox),
              isDropdown   = $element.is(selector.uiDropdown)  && module.can.useElement('dropdown'),
              isCalendar   = ($calendar.length > 0  && module.can.useElement('calendar')),
              isErrored    = $fieldGroup.hasClass(className.error)
            ;
            if(isErrored) {
              module.verbose('Resetting error on field', $fieldGroup);
              $fieldGroup.removeClass(className.error);
              $prompt.remove();
            }
            if(isDropdown) {
              module.verbose('Resetting dropdown value', $element, defaultValue);
              $element.dropdown('clear', true);
            }
            else if(isCheckbox) {
              $field.prop('checked', false);
            }
            else if (isCalendar) {
              $calendar.calendar('clear');
            }
            else {
              module.verbose('Resetting field value', $field, defaultValue);
              $field.val('');
            }
          });
          module.remove.states();
        },

        reset: function() {
          $field.each(function (index, el) {
            var
              $field       = $(el),
              $element     = $field.parent(),
              $fieldGroup  = $field.closest($group),
              $calendar    = $field.closest(selector.uiCalendar),
              $prompt      = $fieldGroup.find(selector.prompt),
              defaultValue = $field.data(metadata.defaultValue),
              isCheckbox   = $element.is(selector.uiCheckbox),
              isDropdown   = $element.is(selector.uiDropdown)  && module.can.useElement('dropdown'),
              isCalendar   = ($calendar.length > 0  && module.can.useElement('calendar')),
              isErrored    = $fieldGroup.hasClass(className.error)
            ;
            if(defaultValue === undefined) {
              return;
            }
            if(isErrored) {
              module.verbose('Resetting error on field', $fieldGroup);
              $fieldGroup.removeClass(className.error);
              $prompt.remove();
            }
            if(isDropdown) {
              module.verbose('Resetting dropdown value', $element, defaultValue);
              $element.dropdown('restore defaults', true);
            }
            else if(isCheckbox) {
              module.verbose('Resetting checkbox value', $element, defaultValue);
              $field.prop('checked', defaultValue);
            }
            else if (isCalendar) {
              $calendar.calendar('set date', defaultValue);
            }
            else {
              module.verbose('Resetting field value', $field, defaultValue);
              $field.val(defaultValue);
            }
          });
          module.remove.states();
        },

        determine: {
          isValid: function() {
            var
              allValid = true
            ;
            $.each(validation, function(fieldName, field) {
              if( !( module.validate.field(field, fieldName, true) ) ) {
                allValid = false;
              }
            });
            return allValid;
          },
          isDirty: function(e) {
            var formIsDirty = false;

            $field.each(function(index, el) {
              var
                $el = $(el),
                isCheckbox = ($el.filter(selector.checkbox).length > 0),
                isDirty
              ;

              if (isCheckbox) {
                isDirty = module.is.checkboxDirty($el);
              } else {
                isDirty = module.is.fieldDirty($el);
              }

              $el.data(settings.metadata.isDirty, isDirty);

              formIsDirty |= isDirty;
            });

            if (formIsDirty) {
              module.set.dirty();
            } else {
              module.set.clean();
            }

            if (e && e.namespace === 'dirty') {
              e.stopImmediatePropagation();
              e.preventDefault();
            }
          }
        },

        is: {
          bracketedRule: function(rule) {
            return (rule.type && rule.type.match(settings.regExp.bracket));
          },
          shorthandFields: function(fields) {
            var
              fieldKeys = Object.keys(fields),
              firstRule = fields[fieldKeys[0]]
            ;
            return module.is.shorthandRules(firstRule);
          },
          // duck type rule test
          shorthandRules: function(rules) {
            return (typeof rules == 'string' || Array.isArray(rules));
          },
          empty: function($field) {
            if(!$field || $field.length === 0) {
              return true;
            }
            else if($field.is(selector.checkbox)) {
              return !$field.is(':checked');
            }
            else {
              return module.is.blank($field);
            }
          },
          blank: function($field) {
            return String($field.val()).trim() === '';
          },
          valid: function(field, showErrors) {
            var
              allValid = true
            ;
            if(field) {
              module.verbose('Checking if field is valid', field);
              return module.validate.field(validation[field], field, !!showErrors);
            }
            else {
              module.verbose('Checking if form is valid');
              $.each(validation, function(fieldName, field) {
                if( !module.is.valid(fieldName, showErrors) ) {
                  allValid = false;
                }
              });
              return allValid;
            }
          },
          dirty: function() {
            return dirty;
          },
          clean: function() {
            return !dirty;
          },
          fieldDirty: function($el) {
            var initialValue = $el.data(metadata.defaultValue);
            // Explicitly check for null/undefined here as value may be `false`, so ($el.data(dataInitialValue) || '') would not work
            if (initialValue == null) { initialValue = ''; }
            else if(Array.isArray(initialValue)) {
              initialValue = initialValue.toString();
            }
            var currentValue = $el.val();
            if (currentValue == null) { currentValue = ''; }
            // multiple select values are returned as arrays which are never equal, so do string conversion first
            else if(Array.isArray(currentValue)) {
              currentValue = currentValue.toString();
            }
            // Boolean values can be encoded as "true/false" or "True/False" depending on underlying frameworks so we need a case insensitive comparison
            var boolRegex = /^(true|false)$/i;
            var isBoolValue = boolRegex.test(initialValue) && boolRegex.test(currentValue);
            if (isBoolValue) {
              var regex = new RegExp("^" + initialValue + "$", "i");
              return !regex.test(currentValue);
            }

            return currentValue !== initialValue;
          },
          checkboxDirty: function($el) {
            var initialValue = $el.data(metadata.defaultValue);
            var currentValue = $el.is(":checked");

            return initialValue !== currentValue;
          },
          justDirty: function() {
            return (history[0] === 'dirty');
          },
          justClean: function() {
            return (history[0] === 'clean');
          }
        },

        removeEvents: function() {
          $module.off(eventNamespace);
          $field.off(eventNamespace);
          $submit.off(eventNamespace);
          $field.off(eventNamespace);
        },

        event: {
          field: {
            keydown: function(event) {
              var
                $field       = $(this),
                key          = event.which,
                isInput      = $field.is(selector.input),
                isCheckbox   = $field.is(selector.checkbox),
                isInDropdown = ($field.closest(selector.uiDropdown).length > 0),
                keyCode      = {
                  enter  : 13,
                  escape : 27
                }
              ;
              if( key == keyCode.escape) {
                module.verbose('Escape key pressed blurring field');
                $field
                  .blur()
                ;
              }
              if(!event.ctrlKey && key == keyCode.enter && isInput && !isInDropdown && !isCheckbox) {
                if(!keyHeldDown) {
                  $field.one('keyup' + eventNamespace, module.event.field.keyup);
                  module.submit();
                  module.debug('Enter pressed on input submitting form');
                }
                keyHeldDown = true;
              }
            },
            keyup: function() {
              keyHeldDown = false;
            },
            blur: function(event) {
              var
                $field          = $(this),
                $fieldGroup     = $field.closest($group),
                validationRules = module.get.validation($field)
              ;
              if( $fieldGroup.hasClass(className.error) ) {
                module.debug('Revalidating field', $field, validationRules);
                if(validationRules) {
                  module.validate.field( validationRules );
                }
              }
              else if(settings.on == 'blur') {
                if(validationRules) {
                  module.validate.field( validationRules );
                }
              }
            },
            change: function(event) {
              var
                $field      = $(this),
                $fieldGroup = $field.closest($group),
                validationRules = module.get.validation($field)
              ;
              if(validationRules && (settings.on == 'change' || ( $fieldGroup.hasClass(className.error) && settings.revalidate) )) {
                clearTimeout(module.timer);
                module.timer = setTimeout(function() {
                  module.debug('Revalidating field', $field,  module.get.validation($field));
                  module.validate.field( validationRules );
                  if(!settings.inline) {
                    module.validate.form(false,true);
                  }
                }, settings.delay);
              }
            }
          },
          beforeUnload: function(event) {
            if (module.is.dirty() && !submitting) {
              var event = event || window.event;

              // For modern browsers
              if (event) {
                event.returnValue = settings.text.leavingMessage;
              }

              // For olders...
              return settings.text.leavingMessage;
            }
          }

        },

        get: {
          ancillaryValue: function(rule) {
            if(!rule.type || (!rule.value && !module.is.bracketedRule(rule))) {
              return false;
            }
            return (rule.value !== undefined)
              ? rule.value
              : rule.type.match(settings.regExp.bracket)[1] + ''
            ;
          },
          ruleName: function(rule) {
            if( module.is.bracketedRule(rule) ) {
              return rule.type.replace(rule.type.match(settings.regExp.bracket)[0], '');
            }
            return rule.type;
          },
          changeEvent: function(type, $input) {
            if(type == 'checkbox' || type == 'radio' || type == 'hidden' || $input.is('select')) {
              return 'change';
            }
            else {
              return module.get.inputEvent();
            }
          },
          inputEvent: function() {
            return (document.createElement('input').oninput !== undefined)
              ? 'input'
              : (document.createElement('input').onpropertychange !== undefined)
                ? 'propertychange'
                : 'keyup'
            ;
          },
          fieldsFromShorthand: function(fields) {
            var
              fullFields = {}
            ;
            $.each(fields, function(name, rules) {
              if(typeof rules == 'string') {
                rules = [rules];
              }
              fullFields[name] = {
                rules: []
              };
              $.each(rules, function(index, rule) {
                fullFields[name].rules.push({ type: rule });
              });
            });
            return fullFields;
          },
          prompt: function(rule, field) {
            var
              ruleName      = module.get.ruleName(rule),
              ancillary     = module.get.ancillaryValue(rule),
              $field        = module.get.field(field.identifier),
              value         = $field.val(),
              prompt        = $.isFunction(rule.prompt)
                ? rule.prompt(value)
                : rule.prompt || settings.prompt[ruleName] || settings.text.unspecifiedRule,
              requiresValue = (prompt.search('{value}') !== -1),
              requiresName  = (prompt.search('{name}') !== -1),
              $label,
              name
            ;
            if(requiresValue) {
              prompt = prompt.replace(/\{value\}/g, $field.val());
            }
            if(requiresName) {
              $label = $field.closest(selector.group).find('label').eq(0);
              name = ($label.length == 1)
                ? $label.text()
                : $field.prop('placeholder') || settings.text.unspecifiedField
              ;
              prompt = prompt.replace(/\{name\}/g, name);
            }
            prompt = prompt.replace(/\{identifier\}/g, field.identifier);
            prompt = prompt.replace(/\{ruleValue\}/g, ancillary);
            if(!rule.prompt) {
              module.verbose('Using default validation prompt for type', prompt, ruleName);
            }
            return prompt;
          },
          settings: function() {
            if($.isPlainObject(parameters)) {
              var
                keys     = Object.keys(parameters),
                isLegacySettings = (keys.length > 0)
                  ? (parameters[keys[0]].identifier !== undefined && parameters[keys[0]].rules !== undefined)
                  : false
              ;
              if(isLegacySettings) {
                // 1.x (ducktyped)
                settings   = $.extend(true, {}, $.fn.form.settings, legacyParameters);
                validation = $.extend({}, $.fn.form.settings.defaults, parameters);
                module.error(settings.error.oldSyntax, element);
                module.verbose('Extending settings from legacy parameters', validation, settings);
              }
              else {
                // 2.x
                if(parameters.fields && module.is.shorthandFields(parameters.fields)) {
                  parameters.fields = module.get.fieldsFromShorthand(parameters.fields);
                }
                settings   = $.extend(true, {}, $.fn.form.settings, parameters);
                validation = $.extend({}, $.fn.form.settings.defaults, settings.fields);
                module.verbose('Extending settings', validation, settings);
              }
            }
            else {
              settings   = $.fn.form.settings;
              validation = $.fn.form.settings.defaults;
              module.verbose('Using default form validation', validation, settings);
            }

            // shorthand
            namespace       = settings.namespace;
            metadata        = settings.metadata;
            selector        = settings.selector;
            className       = settings.className;
            regExp          = settings.regExp;
            error           = settings.error;
            moduleNamespace = 'module-' + namespace;
            eventNamespace  = '.' + namespace;

            // grab instance
            instance = $module.data(moduleNamespace);

            // refresh selector cache
            module.refresh();
          },
          field: function(identifier) {
            module.verbose('Finding field with identifier', identifier);
            identifier = module.escape.string(identifier);
            var t;
            if((t=$field.filter('#' + identifier)).length > 0 ) {
              return t;
            }
            if((t=$field.filter('[name="' + identifier +'"]')).length > 0 ) {
              return t;
            }
            if((t=$field.filter('[name="' + identifier +'[]"]')).length > 0 ) {
              return t;
            }
            if((t=$field.filter('[data-' + metadata.validate + '="'+ identifier +'"]')).length > 0 ) {
              return t;
            }
            return $('<input/>');
          },
          fields: function(fields) {
            var
              $fields = $()
            ;
            $.each(fields, function(index, name) {
              $fields = $fields.add( module.get.field(name) );
            });
            return $fields;
          },
          validation: function($field) {
            var
              fieldValidation,
              identifier
            ;
            if(!validation) {
              return false;
            }
            $.each(validation, function(fieldName, field) {
              identifier = field.identifier || fieldName;
              $.each(module.get.field(identifier), function(index, groupField) {
                if(groupField == $field[0]) {
                  field.identifier = identifier;
                  fieldValidation = field;
                  return false;
                }
              });
            });
            return fieldValidation || false;
          },
          value: function (field) {
            var
              fields = [],
              results
            ;
            fields.push(field);
            results = module.get.values.call(element, fields);
            return results[field];
          },
          values: function (fields) {
            var
              $fields = Array.isArray(fields)
                ? module.get.fields(fields)
                : $field,
              values = {}
            ;
            $fields.each(function(index, field) {
              var
                $field       = $(field),
                $calendar    = $field.closest(selector.uiCalendar),
                name         = $field.prop('name'),
                value        = $field.val(),
                isCheckbox   = $field.is(selector.checkbox),
                isRadio      = $field.is(selector.radio),
                isMultiple   = (name.indexOf('[]') !== -1),
                isCalendar   = ($calendar.length > 0  && module.can.useElement('calendar')),
                isChecked    = (isCheckbox)
                  ? $field.is(':checked')
                  : false
              ;
              if(name) {
                if(isMultiple) {
                  name = name.replace('[]', '');
                  if(!values[name]) {
                    values[name] = [];
                  }
                  if(isCheckbox) {
                    if(isChecked) {
                      values[name].push(value || true);
                    }
                    else {
                      values[name].push(false);
                    }
                  }
                  else {
                    values[name].push(value);
                  }
                }
                else {
                  if(isRadio) {
                    if(values[name] === undefined || values[name] === false) {
                      values[name] = (isChecked)
                        ? value || true
                        : false
                      ;
                    }
                  }
                  else if(isCheckbox) {
                    if(isChecked) {
                      values[name] = value || true;
                    }
                    else {
                      values[name] = false;
                    }
                  }
                  else if(isCalendar) {
                    var date = $calendar.calendar('get date');

                    if (date !== null) {
                      if (settings.dateHandling == 'date') {
                        values[name] = date;
                      } else if(settings.dateHandling == 'input') {
                        values[name] = $calendar.calendar('get input date')
                      } else if (settings.dateHandling == 'formatter') {
                        var type = $calendar.calendar('setting', 'type');

                        switch(type) {
                          case 'date':
                          values[name] = settings.formatter.date(date);
                          break;

                          case 'datetime':
                          values[name] = settings.formatter.datetime(date);
                          break;

                          case 'time':
                          values[name] = settings.formatter.time(date);
                          break;

                          case 'month':
                          values[name] = settings.formatter.month(date);
                          break;

                          case 'year':
                          values[name] = settings.formatter.year(date);
                          break;

                          default:
                          module.debug('Wrong calendar mode', $calendar, type);
                          values[name] = '';
                        }
                      }
                    } else {
                      values[name] = '';
                    }
                  } else {
                    values[name] = value;
                  }
                }
              }
            });
            return values;
          },
          dirtyFields: function() {
            return $field.filter(function(index, e) {
              return $(e).data(metadata.isDirty);
            });
          }
        },

        has: {

          field: function(identifier) {
            module.verbose('Checking for existence of a field with identifier', identifier);
            identifier = module.escape.string(identifier);
            if(typeof identifier !== 'string') {
              module.error(error.identifier, identifier);
            }
            if($field.filter('#' + identifier).length > 0 ) {
              return true;
            }
            else if( $field.filter('[name="' + identifier +'"]').length > 0 ) {
              return true;
            }
            else if( $field.filter('[data-' + metadata.validate + '="'+ identifier +'"]').length > 0 ) {
              return true;
            }
            return false;
          }

        },

        can: {
            useElement: function(element){
               if ($.fn[element] !== undefined) {
                   return true;
               }
               module.error(error.noElement.replace('{element}',element));
               return false;
            }
        },

        escape: {
          string: function(text) {
            text =  String(text);
            return text.replace(regExp.escape, '\\$&');
          }
        },

        add: {
          // alias
          rule: function(name, rules) {
            module.add.field(name, rules);
          },
          field: function(name, rules) {
            // Validation should have at least a standard format
            if(validation[name] === undefined || validation[name].rules === undefined) {
              validation[name] = {
                rules: []
              };
            }
            var
              newValidation = {
                rules: []
              }
            ;
            if(module.is.shorthandRules(rules)) {
              rules = Array.isArray(rules)
                ? rules
                : [rules]
              ;
              $.each(rules, function(_index, rule) {
                newValidation.rules.push({ type: rule });
              });
            }
            else {
              newValidation.rules = rules.rules;
            }
            // For each new rule, check if there's not already one with the same type
            $.each(newValidation.rules, function (_index, rule) {
              if ($.grep(validation[name].rules, function(item){ return item.type == rule.type; }).length == 0) {
                validation[name].rules.push(rule);
              }
            });
            module.debug('Adding rules', newValidation.rules, validation);
          },
          fields: function(fields) {
            var
              newValidation
            ;
            if(fields && module.is.shorthandFields(fields)) {
              newValidation = module.get.fieldsFromShorthand(fields);
            }
            else {
              newValidation = fields;
            }
            validation = $.extend({}, validation, newValidation);
          },
          prompt: function(identifier, errors, internal) {
            var
              $field       = module.get.field(identifier),
              $fieldGroup  = $field.closest($group),
              $prompt      = $fieldGroup.children(selector.prompt),
              promptExists = ($prompt.length !== 0)
            ;
            errors = (typeof errors == 'string')
              ? [errors]
              : errors
            ;
            module.verbose('Adding field error state', identifier);
            if(!internal) {
              $fieldGroup
                  .addClass(className.error)
              ;
            }
            if(settings.inline) {
              if(!promptExists) {
                $prompt = settings.templates.prompt(errors, className.label);
                $prompt
                  .appendTo($fieldGroup)
                ;
              }
              $prompt
                .html(errors[0])
              ;
              if(!promptExists) {
                if(settings.transition && module.can.useElement('transition') && $module.transition('is supported')) {
                  module.verbose('Displaying error with css transition', settings.transition);
                  $prompt.transition(settings.transition + ' in', settings.duration);
                }
                else {
                  module.verbose('Displaying error with fallback javascript animation');
                  $prompt
                    .fadeIn(settings.duration)
                  ;
                }
              }
              else {
                module.verbose('Inline errors are disabled, no inline error added', identifier);
              }
            }
          },
          errors: function(errors) {
            module.debug('Adding form error messages', errors);
            module.set.error();
            $message
              .html( settings.templates.error(errors) )
            ;
          }
        },

        remove: {
          errors: function() {
            module.debug('Removing form error messages');
            $message.empty();
          },
          states: function() {
            $module.removeClass(className.error).removeClass(className.success);
            if(!settings.inline) {
              module.remove.errors();
            }
            module.determine.isDirty();
          },
          rule: function(field, rule) {
            var
              rules = Array.isArray(rule)
                ? rule
                : [rule]
            ;
            if(validation[field] === undefined || !Array.isArray(validation[field].rules)) {
              return;
            }
            if(rule === undefined) {
              module.debug('Removed all rules');
              validation[field].rules = [];
              return;
            }
            $.each(validation[field].rules, function(index, rule) {
              if(rule && rules.indexOf(rule.type) !== -1) {
                module.debug('Removed rule', rule.type);
                validation[field].rules.splice(index, 1);
              }
            });
          },
          field: function(field) {
            var
              fields = Array.isArray(field)
                ? field
                : [field]
            ;
            $.each(fields, function(index, field) {
              module.remove.rule(field);
            });
          },
          // alias
          rules: function(field, rules) {
            if(Array.isArray(field)) {
              $.each(field, function(index, field) {
                module.remove.rule(field, rules);
              });
            }
            else {
              module.remove.rule(field, rules);
            }
          },
          fields: function(fields) {
            module.remove.field(fields);
          },
          prompt: function(identifier) {
            var
              $field      = module.get.field(identifier),
              $fieldGroup = $field.closest($group),
              $prompt     = $fieldGroup.children(selector.prompt)
            ;
            $fieldGroup
              .removeClass(className.error)
            ;
            if(settings.inline && $prompt.is(':visible')) {
              module.verbose('Removing prompt for field', identifier);
              if(settings.transition  && module.can.useElement('transition') && $module.transition('is supported')) {
                $prompt.transition(settings.transition + ' out', settings.duration, function() {
                  $prompt.remove();
                });
              }
              else {
                $prompt
                  .fadeOut(settings.duration, function(){
                    $prompt.remove();
                  })
                ;
              }
            }
          }
        },

        set: {
          success: function() {
            $module
              .removeClass(className.error)
              .addClass(className.success)
            ;
          },
          defaults: function () {
            $field.each(function (index, el) {
              var
                $el        = $(el),
                $parent    = $el.parent(),
                isCheckbox = ($el.filter(selector.checkbox).length > 0),
                isDropdown = $parent.is(selector.uiDropdown) && module.can.useElement('dropdown'),
                $calendar   = $el.closest(selector.uiCalendar),
                isCalendar  = ($calendar.length > 0  && module.can.useElement('calendar')),
                value      = (isCheckbox)
                  ? $el.is(':checked')
                  : $el.val()
              ;
              if (isDropdown) {
                $parent.dropdown('save defaults');
              }
              else if (isCalendar) {
                $calendar.calendar('refresh');
              }
              $el.data(metadata.defaultValue, value);
              $el.data(metadata.isDirty, false);
            });
          },
          error: function() {
            $module
              .removeClass(className.success)
              .addClass(className.error)
            ;
          },
          value: function (field, value) {
            var
              fields = {}
            ;
            fields[field] = value;
            return module.set.values.call(element, fields);
          },
          values: function (fields) {
            if($.isEmptyObject(fields)) {
              return;
            }
            $.each(fields, function(key, value) {
              var
                $field      = module.get.field(key),
                $element    = $field.parent(),
                $calendar   = $field.closest(selector.uiCalendar),
                isMultiple  = Array.isArray(value),
                isCheckbox  = $element.is(selector.uiCheckbox)  && module.can.useElement('checkbox'),
                isDropdown  = $element.is(selector.uiDropdown) && module.can.useElement('dropdown'),
                isRadio     = ($field.is(selector.radio) && isCheckbox),
                isCalendar  = ($calendar.length > 0  && module.can.useElement('calendar')),
                fieldExists = ($field.length > 0),
                $multipleField
              ;
              if(fieldExists) {
                if(isMultiple && isCheckbox) {
                  module.verbose('Selecting multiple', value, $field);
                  $element.checkbox('uncheck');
                  $.each(value, function(index, value) {
                    $multipleField = $field.filter('[value="' + value + '"]');
                    $element       = $multipleField.parent();
                    if($multipleField.length > 0) {
                      $element.checkbox('check');
                    }
                  });
                }
                else if(isRadio) {
                  module.verbose('Selecting radio value', value, $field);
                  $field.filter('[value="' + value + '"]')
                    .parent(selector.uiCheckbox)
                      .checkbox('check')
                  ;
                }
                else if(isCheckbox) {
                  module.verbose('Setting checkbox value', value, $element);
                  if(value === true || value === 1) {
                    $element.checkbox('check');
                  }
                  else {
                    $element.checkbox('uncheck');
                  }
                }
                else if(isDropdown) {
                  module.verbose('Setting dropdown value', value, $element);
                  $element.dropdown('set selected', value);
                }
                else if (isCalendar) {
                  $calendar.calendar('set date',value);
                }
                else {
                  module.verbose('Setting field value', value, $field);
                  $field.val(value);
                }
              }
            });
          },
          dirty: function() {
            module.verbose('Setting state dirty');
            dirty = true;
            history[0] = history[1];
            history[1] = 'dirty';

            if (module.is.justClean()) {
              $module.trigger('dirty');
            }
          },
          clean: function() {
            module.verbose('Setting state clean');
            dirty = false;
            history[0] = history[1];
            history[1] = 'clean';

            if (module.is.justDirty()) {
              $module.trigger('clean');
            }
          },
          asClean: function() {
            module.set.defaults();
            module.set.clean();
          },
          asDirty: function() {
            module.set.defaults();
            module.set.dirty();
          },
          autoCheck: function() {
            module.debug('Enabling auto check on required fields');
            $field.each(function (_index, el) {
              var
                $el        = $(el),
                $elGroup   = $(el).closest($group),
                isCheckbox = ($el.filter(selector.checkbox).length > 0),
                isRequired = $el.prop('required') || $elGroup.hasClass(className.required) || $elGroup.parent().hasClass(className.required),
                isDisabled = $el.is(':disabled') || $elGroup.hasClass(className.disabled) || $elGroup.parent().hasClass(className.disabled),
                validation = module.get.validation($el),
                hasEmptyRule = validation
                  ? $.grep(validation.rules, function(rule) { return rule.type == "empty" }) !== 0
                  : false,
                identifier = validation.identifier || $el.attr('id') || $el.attr('name') || $el.data(metadata.validate)
              ;
              if (isRequired && !isDisabled && !hasEmptyRule && identifier !== undefined) {
                if (isCheckbox) {
                  module.verbose("Adding 'checked' rule on field", identifier);
                  module.add.rule(identifier, "checked");
                } else {
                  module.verbose("Adding 'empty' rule on field", identifier);
                  module.add.rule(identifier, "empty");
                }
              }
            });
          }
        },

        validate: {

          form: function(event, ignoreCallbacks) {
            var values = module.get.values();

            // input keydown event will fire submit repeatedly by browser default
            if(keyHeldDown) {
              return false;
            }

            // reset errors
            formErrors = [];
            if( module.determine.isValid() ) {
              module.debug('Form has no validation errors, submitting');
              module.set.success();
              if(!settings.inline) {
                module.remove.errors();
              }
              if(ignoreCallbacks !== true) {
                return settings.onSuccess.call(element, event, values);
              }
            }
            else {
              module.debug('Form has errors');
              submitting = false;
              module.set.error();
              if(!settings.inline) {
                module.add.errors(formErrors);
              }
              // prevent ajax submit
              if(event && $module.data('moduleApi') !== undefined) {
                event.stopImmediatePropagation();
              }
              if(ignoreCallbacks !== true) {
                return settings.onFailure.call(element, formErrors, values);
              }
            }
          },

          // takes a validation object and returns whether field passes validation
          field: function(field, fieldName, showErrors) {
            showErrors = (showErrors !== undefined)
              ? showErrors
              : true
            ;
            if(typeof field == 'string') {
              module.verbose('Validating field', field);
              fieldName = field;
              field     = validation[field];
            }
            var
              identifier    = field.identifier || fieldName,
              $field        = module.get.field(identifier),
              $dependsField = (field.depends)
                ? module.get.field(field.depends)
                : false,
              fieldValid  = true,
              fieldErrors = []
            ;
            if(!field.identifier) {
              module.debug('Using field name as identifier', identifier);
              field.identifier = identifier;
            }
            var isDisabled = !$field.filter(':not(:disabled)').length;
            if(isDisabled) {
              module.debug('Field is disabled. Skipping', identifier);
            }
            else if(field.optional && module.is.blank($field)){
              module.debug('Field is optional and blank. Skipping', identifier);
            }
            else if(field.depends && module.is.empty($dependsField)) {
              module.debug('Field depends on another value that is not present or empty. Skipping', $dependsField);
            }
            else if(field.rules !== undefined) {
              if(showErrors) {
                $field.closest($group).removeClass(className.error);
              }
              $.each(field.rules, function(index, rule) {
                if( module.has.field(identifier)) {
                  var invalidFields = module.validate.rule(field, rule,true) || [];
                  if (invalidFields.length>0){
                    module.debug('Field is invalid', identifier, rule.type);
                    fieldErrors.push(module.get.prompt(rule, field));
                    fieldValid = false;
                    if(showErrors){
                      $(invalidFields).closest($group).addClass(className.error);
                    }
                  }
                }
              });
            }
            if(fieldValid) {
              if(showErrors) {
                module.remove.prompt(identifier, fieldErrors);
                settings.onValid.call($field);
              }
            }
            else {
              if(showErrors) {
                formErrors = formErrors.concat(fieldErrors);
                module.add.prompt(identifier, fieldErrors, true);
                settings.onInvalid.call($field, fieldErrors);
              }
              return false;
            }
            return true;
          },

          // takes validation rule and returns whether field passes rule
          rule: function(field, rule, internal) {
            var
              $field       = module.get.field(field.identifier),
              ancillary    = module.get.ancillaryValue(rule),
              ruleName     = module.get.ruleName(rule),
              ruleFunction = settings.rules[ruleName],
              invalidFields = [],
              isCheckbox = $field.is(selector.checkbox),
              isValid = function(field){
                var value = (isCheckbox ? $(field).filter(':checked').val() : $(field).val());
                // cast to string avoiding encoding special values
                value = (value === undefined || value === '' || value === null)
                    ? ''
                    : (settings.shouldTrim) ? String(value + '').trim() : String(value + '')
                ;
                return ruleFunction.call(field, value, ancillary, $module);
              }
            ;
            if( !$.isFunction(ruleFunction) ) {
              module.error(error.noRule, ruleName);
              return;
            }
            if(isCheckbox) {
              if (!isValid($field)) {
                invalidFields = $field;
              }
            } else {
              $.each($field, function (index, field) {
                if (!isValid(field)) {
                  invalidFields.push(field);
                }
              });
            }
            return internal ? invalidFields : !(invalidFields.length>0);
          }
        },

        setting: function(name, value) {
          if( $.isPlainObject(name) ) {
            $.extend(true, settings, name);
          }
          else if(value !== undefined) {
            settings[name] = value;
          }
          else {
            return settings[name];
          }
        },
        internal: function(name, value) {
          if( $.isPlainObject(name) ) {
            $.extend(true, module, name);
          }
          else if(value !== undefined) {
            module[name] = value;
          }
          else {
            return module[name];
          }
        },
        debug: function() {
          if(!settings.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);
            $.each(performance, function(index, data) {
              totalTime += data['Execution Time'];
            });
            title += ' ' + totalTime + 'ms';
            if(moduleSelector) {
              title += ' \'' + moduleSelector + '\'';
            }
            if($allModules.length > 1) {
              title += ' ' + '(' + $allModules.length + ')';
            }
            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 {
                return false;
              }
            });
          }
          if( $.isFunction( found ) ) {
            response = found.apply(context, passedArguments);
          }
          else if(found !== undefined) {
            response = found;
          }
          if(Array.isArray(returnedValue)) {
            returnedValue.push(response);
          }
          else if(returnedValue !== undefined) {
            returnedValue = [returnedValue, response];
          }
          else if(response !== undefined) {
            returnedValue = response;
          }
          return found;
        }
      };
      module.initialize();
    })
  ;

  return (returnedValue !== undefined)
    ? returnedValue
    : this
  ;
};

$.fn.form.settings = {

  name              : 'Form',
  namespace         : 'form',

  debug             : false,
  verbose           : false,
  performance       : true,

  fields            : false,

  keyboardShortcuts : true,
  on                : 'submit',
  inline            : false,

  delay             : 200,
  revalidate        : true,
  shouldTrim        : true,

  transition        : 'scale',
  duration          : 200,

  autoCheckRequired : false,
  preventLeaving    : false,
  dateHandling      : 'date', // 'date', 'input', 'formatter'

  onValid           : function() {},
  onInvalid         : function() {},
  onSuccess         : function() { return true; },
  onFailure         : function() { return false; },
  onDirty           : function() {},
  onClean           : function() {},

  metadata : {
    defaultValue : 'default',
    validate     : 'validate',
    isDirty      : 'isDirty'
  },

  regExp: {
    htmlID  : /^[a-zA-Z][\w:.-]*$/g,
    bracket : /\[(.*)\]/i,
    decimal : /^\d+\.?\d*$/,
    email   : /^[a-z0-9!#$%&'*+\/=?^_`{|}~.-]+@[a-z0-9]([a-z0-9-]*[a-z0-9])?(\.[a-z0-9]([a-z0-9-]*[a-z0-9])?)*$/i,
    escape  : /[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|:,=@]/g,
    flags   : /^\/(.*)\/(.*)?/,
    integer : /^\-?\d+$/,
    number  : /^\-?\d*(\.\d+)?$/,
    url     : /(https?:\/\/(?:www\.|(?!www))[^\s\.]+\.[^\s]{2,}|www\.[^\s]+\.[^\s]{2,})/i
  },

  text: {
    unspecifiedRule  : 'Please enter a valid value',
    unspecifiedField : 'This field',
    leavingMessage   : 'There are unsaved changes on this page which will be discarded if you continue.'
  },

  prompt: {
    empty                : '{name} must have a value',
    checked              : '{name} must be checked',
    email                : '{name} must be a valid e-mail',
    url                  : '{name} must be a valid url',
    regExp               : '{name} is not formatted correctly',
    integer              : '{name} must be an integer',
    decimal              : '{name} must be a decimal number',
    number               : '{name} must be set to a number',
    is                   : '{name} must be "{ruleValue}"',
    isExactly            : '{name} must be exactly "{ruleValue}"',
    not                  : '{name} cannot be set to "{ruleValue}"',
    notExactly           : '{name} cannot be set to exactly "{ruleValue}"',
    contain              : '{name} must contain "{ruleValue}"',
    containExactly       : '{name} must contain exactly "{ruleValue}"',
    doesntContain        : '{name} cannot contain  "{ruleValue}"',
    doesntContainExactly : '{name} cannot contain exactly "{ruleValue}"',
    minLength            : '{name} must be at least {ruleValue} characters',
    length               : '{name} must be at least {ruleValue} characters',
    exactLength          : '{name} must be exactly {ruleValue} characters',
    maxLength            : '{name} cannot be longer than {ruleValue} characters',
    match                : '{name} must match {ruleValue} field',
    different            : '{name} must have a different value than {ruleValue} field',
    creditCard           : '{name} must be a valid credit card number',
    minCount             : '{name} must have at least {ruleValue} choices',
    exactCount           : '{name} must have exactly {ruleValue} choices',
    maxCount             : '{name} must have {ruleValue} or less choices'
  },

  selector : {
    checkbox   : 'input[type="checkbox"], input[type="radio"]',
    clear      : '.clear',
    field      : 'input:not(.search), textarea, select',
    group      : '.field',
    input      : 'input',
    message    : '.error.message',
    prompt     : '.prompt.label',
    radio      : 'input[type="radio"]',
    reset      : '.reset:not([type="reset"])',
    submit     : '.submit:not([type="submit"])',
    uiCheckbox : '.ui.checkbox',
    uiDropdown : '.ui.dropdown',
    uiCalendar : '.ui.calendar'
  },

  className : {
    error    : 'error',
    label    : 'ui basic red pointing prompt label',
    pressed  : 'down',
    success  : 'success',
    required : 'required',
    disabled : 'disabled'
  },

  error: {
    identifier : 'You must specify a string identifier for each field',
    method     : 'The method you called is not defined.',
    noRule     : 'There is no rule matching the one you specified',
    oldSyntax  : 'Starting in 2.0 forms now only take a single settings object. Validation settings converted to new syntax automatically.',
    noElement  : 'This module requires ui {element}'
  },

  templates: {

    // template that produces error message
    error: function(errors) {
      var
        html = '<ul class="list">'
      ;
      $.each(errors, function(index, value) {
        html += '<li>' + value + '</li>';
      });
      html += '</ul>';
      return $(html);
    },

    // template that produces label
    prompt: function(errors, labelClasses) {
      return $('<div/>')
        .addClass(labelClasses)
        .html(errors[0])
      ;
    }
  },

  formatter: {
    date: function(date) {
      return Intl.DateTimeFormat('en-GB').format(date);
    },
    datetime: function(date) {
      return Intl.DateTimeFormat('en-GB', {
        year: "numeric",
        month: "2-digit",
        day: "2-digit",
        hour: '2-digit',
        minute: '2-digit',
        second: '2-digit'
      }).format(date);
    },
    time: function(date) {
      return Intl.DateTimeFormat('en-GB', {
        hour: '2-digit',
        minute: '2-digit',
        second: '2-digit'
      }).format(date);
    },
    month: function(date) {
      return Intl.DateTimeFormat('en-GB', {
        month: '2-digit',
        year: 'numeric'
      }).format(date);
    },
    year: function(date) {
      return Intl.DateTimeFormat('en-GB', {
        year: 'numeric'
      }).format(date);
    }
  },

  rules: {

    // is not empty or blank string
    empty: function(value) {
      return !(value === undefined || '' === value || Array.isArray(value) && value.length === 0);
    },

    // checkbox checked
    checked: function() {
      return ($(this).filter(':checked').length > 0);
    },

    // is most likely an email
    email: function(value){
      return $.fn.form.settings.regExp.email.test(value);
    },

    // value is most likely url
    url: function(value) {
      return $.fn.form.settings.regExp.url.test(value);
    },

    // matches specified regExp
    regExp: function(value, regExp) {
      if(regExp instanceof RegExp) {
        return value.match(regExp);
      }
      var
        regExpParts = regExp.match($.fn.form.settings.regExp.flags),
        flags
      ;
      // regular expression specified as /baz/gi (flags)
      if(regExpParts) {
        regExp = (regExpParts.length >= 2)
          ? regExpParts[1]
          : regExp
        ;
        flags = (regExpParts.length >= 3)
          ? regExpParts[2]
          : ''
        ;
      }
      return value.match( new RegExp(regExp, flags) );
    },

    // is valid integer or matches range
    integer: function(value, range) {
      var
        intRegExp = $.fn.form.settings.regExp.integer,
        min,
        max,
        parts
      ;
      if( !range || ['', '..'].indexOf(range) !== -1) {
        // do nothing
      }
      else if(range.indexOf('..') == -1) {
        if(intRegExp.test(range)) {
          min = max = range - 0;
        }
      }
      else {
        parts = range.split('..', 2);
        if(intRegExp.test(parts[0])) {
          min = parts[0] - 0;
        }
        if(intRegExp.test(parts[1])) {
          max = parts[1] - 0;
        }
      }
      return (
        intRegExp.test(value) &&
        (min === undefined || value >= min) &&
        (max === undefined || value <= max)
      );
    },

    // is valid number (with decimal)
    decimal: function(value) {
      return $.fn.form.settings.regExp.decimal.test(value);
    },

    // is valid number
    number: function(value) {
      return $.fn.form.settings.regExp.number.test(value);
    },

    // is value (case insensitive)
    is: function(value, text) {
      text = (typeof text == 'string')
        ? text.toLowerCase()
        : text
      ;
      value = (typeof value == 'string')
        ? value.toLowerCase()
        : value
      ;
      return (value == text);
    },

    // is value
    isExactly: function(value, text) {
      return (value == text);
    },

    // value is not another value (case insensitive)
    not: function(value, notValue) {
      value = (typeof value == 'string')
        ? value.toLowerCase()
        : value
      ;
      notValue = (typeof notValue == 'string')
        ? notValue.toLowerCase()
        : notValue
      ;
      return (value != notValue);
    },

    // value is not another value (case sensitive)
    notExactly: function(value, notValue) {
      return (value != notValue);
    },

    // value contains text (insensitive)
    contains: function(value, text) {
      // escape regex characters
      text = text.replace($.fn.form.settings.regExp.escape, "\\$&");
      return (value.search( new RegExp(text, 'i') ) !== -1);
    },

    // value contains text (case sensitive)
    containsExactly: function(value, text) {
      // escape regex characters
      text = text.replace($.fn.form.settings.regExp.escape, "\\$&");
      return (value.search( new RegExp(text) ) !== -1);
    },

    // value contains text (insensitive)
    doesntContain: function(value, text) {
      // escape regex characters
      text = text.replace($.fn.form.settings.regExp.escape, "\\$&");
      return (value.search( new RegExp(text, 'i') ) === -1);
    },

    // value contains text (case sensitive)
    doesntContainExactly: function(value, text) {
      // escape regex characters
      text = text.replace($.fn.form.settings.regExp.escape, "\\$&");
      return (value.search( new RegExp(text) ) === -1);
    },

    // is at least string length
    minLength: function(value, requiredLength) {
      return (value !== undefined)
        ? (value.length >= requiredLength)
        : false
      ;
    },

    // see rls notes for 2.0.6 (this is a duplicate of minLength)
    length: function(value, requiredLength) {
      return (value !== undefined)
        ? (value.length >= requiredLength)
        : false
      ;
    },

    // is exactly length
    exactLength: function(value, requiredLength) {
      return (value !== undefined)
        ? (value.length == requiredLength)
        : false
      ;
    },

    // is less than length
    maxLength: function(value, maxLength) {
      return (value !== undefined)
        ? (value.length <= maxLength)
        : false
      ;
    },

    // matches another field
    match: function(value, identifier, $module) {
      var
        matchingValue,
        matchingElement
      ;
      if((matchingElement = $module.find('[data-validate="'+ identifier +'"]')).length > 0 ) {
        matchingValue = matchingElement.val();
      }
      else if((matchingElement = $module.find('#' + identifier)).length > 0) {
        matchingValue = matchingElement.val();
      }
      else if((matchingElement = $module.find('[name="' + identifier +'"]')).length > 0) {
        matchingValue = matchingElement.val();
      }
      else if((matchingElement = $module.find('[name="' + identifier +'[]"]')).length > 0 ) {
        matchingValue = matchingElement;
      }
      return (matchingValue !== undefined)
        ? ( value.toString() == matchingValue.toString() )
        : false
      ;
    },

    // different than another field
    different: function(value, identifier, $module) {
      // use either id or name of field
      var
        matchingValue,
        matchingElement
      ;
      if((matchingElement = $module.find('[data-validate="'+ identifier +'"]')).length > 0 ) {
        matchingValue = matchingElement.val();
      }
      else if((matchingElement = $module.find('#' + identifier)).length > 0) {
        matchingValue = matchingElement.val();
      }
      else if((matchingElement = $module.find('[name="' + identifier +'"]')).length > 0) {
        matchingValue = matchingElement.val();
      }
      else if((matchingElement = $module.find('[name="' + identifier +'[]"]')).length > 0 ) {
        matchingValue = matchingElement;
      }
      return (matchingValue !== undefined)
        ? ( value.toString() !== matchingValue.toString() )
        : false
      ;
    },

    creditCard: function(cardNumber, cardTypes) {
      var
        cards = {
          visa: {
            pattern : /^4/,
            length  : [16]
          },
          amex: {
            pattern : /^3[47]/,
            length  : [15]
          },
          mastercard: {
            pattern : /^5[1-5]/,
            length  : [16]
          },
          discover: {
            pattern : /^(6011|622(12[6-9]|1[3-9][0-9]|[2-8][0-9]{2}|9[0-1][0-9]|92[0-5]|64[4-9])|65)/,
            length  : [16]
          },
          unionPay: {
            pattern : /^(62|88)/,
            length  : [16, 17, 18, 19]
          },
          jcb: {
            pattern : /^35(2[89]|[3-8][0-9])/,
            length  : [16]
          },
          maestro: {
            pattern : /^(5018|5020|5038|6304|6759|676[1-3])/,
            length  : [12, 13, 14, 15, 16, 17, 18, 19]
          },
          dinersClub: {
            pattern : /^(30[0-5]|^36)/,
            length  : [14]
          },
          laser: {
            pattern : /^(6304|670[69]|6771)/,
            length  : [16, 17, 18, 19]
          },
          visaElectron: {
            pattern : /^(4026|417500|4508|4844|491(3|7))/,
            length  : [16]
          }
        },
        valid         = {},
        validCard     = false,
        requiredTypes = (typeof cardTypes == 'string')
          ? cardTypes.split(',')
          : false,
        unionPay,
        validation
      ;

      if(typeof cardNumber !== 'string' || cardNumber.length === 0) {
        return;
      }

      // allow dashes in card
      cardNumber = cardNumber.replace(/[\-]/g, '');

      // verify card types
      if(requiredTypes) {
        $.each(requiredTypes, function(index, type){
          // verify each card type
          validation = cards[type];
          if(validation) {
            valid = {
              length  : ($.inArray(cardNumber.length, validation.length) !== -1),
              pattern : (cardNumber.search(validation.pattern) !== -1)
            };
            if(valid.length && valid.pattern) {
              validCard = true;
            }
          }
        });

        if(!validCard) {
          return false;
        }
      }

      // skip luhn for UnionPay
      unionPay = {
        number  : ($.inArray(cardNumber.length, cards.unionPay.length) !== -1),
        pattern : (cardNumber.search(cards.unionPay.pattern) !== -1)
      };
      if(unionPay.number && unionPay.pattern) {
        return true;
      }

      // verify luhn, adapted from  <https://gist.github.com/2134376>
      var
        length        = cardNumber.length,
        multiple      = 0,
        producedValue = [
          [0, 1, 2, 3, 4, 5, 6, 7, 8, 9],
          [0, 2, 4, 6, 8, 1, 3, 5, 7, 9]
        ],
        sum           = 0
      ;
      while (length--) {
        sum += producedValue[multiple][parseInt(cardNumber.charAt(length), 10)];
        multiple ^= 1;
      }
      return (sum % 10 === 0 && sum > 0);
    },

    minCount: function(value, minCount) {
      if(minCount == 0) {
        return true;
      }
      if(minCount == 1) {
        return (value !== '');
      }
      return (value.split(',').length >= minCount);
    },

    exactCount: function(value, exactCount) {
      if(exactCount == 0) {
        return (value === '');
      }
      if(exactCount == 1) {
        return (value !== '' && value.search(',') === -1);
      }
      return (value.split(',').length == exactCount);
    },

    maxCount: function(value, maxCount) {
      if(maxCount == 0) {
        return false;
      }
      if(maxCount == 1) {
        return (value.search(',') === -1);
      }
      return (value.split(',').length <= maxCount);
    }
  }

};

})( jQuery, window, document );

/*!
 * # Fomantic-UI - Modal
 * http://github.com/fomantic/Fomantic-UI/
 *
 *
 * Released under the MIT license
 * http://opensource.org/licenses/MIT
 *
 */

;(function ($, window, document, undefined) {

'use strict';

$.isFunction = $.isFunction || function(obj) {
  return typeof obj === "function" && typeof obj.nodeType !== "number";
};

window = (typeof window != 'undefined' && window.Math == Math)
  ? window
  : (typeof self != 'undefined' && self.Math == Math)
    ? self
    : Function('return this')()
;

$.fn.modal = function(parameters) {
  var
    $allModules    = $(this),
    $window        = $(window),
    $document      = $(document),
    $body          = $('body'),

    moduleSelector = $allModules.selector || '',

    time           = new Date().getTime(),
    performance    = [],

    query          = arguments[0],
    methodInvoked  = (typeof query == 'string'),
    queryArguments = [].slice.call(arguments, 1),

    requestAnimationFrame = window.requestAnimationFrame
      || window.mozRequestAnimationFrame
      || window.webkitRequestAnimationFrame
      || window.msRequestAnimationFrame
      || function(callback) { setTimeout(callback, 0); },

    returnedValue
  ;

  $allModules
    .each(function() {
      var
        settings    = ( $.isPlainObject(parameters) )
          ? $.extend(true, {}, $.fn.modal.settings, parameters)
          : $.extend({}, $.fn.modal.settings),

        selector        = settings.selector,
        className       = settings.className,
        namespace       = settings.namespace,
        error           = settings.error,

        eventNamespace  = '.' + namespace,
        moduleNamespace = 'module-' + namespace,

        $module         = $(this),
        $context        = $(settings.context),
        $close          = $module.find(selector.close),

        $allModals,
        $otherModals,
        $focusedElement,
        $dimmable,
        $dimmer,

        element         = this,
        instance        = $module.data(moduleNamespace),

        ignoreRepeatedEvents = false,

        initialMouseDownInModal,
        initialMouseDownInScrollbar,
        initialBodyMargin = '',
        tempBodyMargin = '',

        elementEventNamespace,
        id,
        observer,
        module
      ;
      module  = {

        initialize: function() {
          module.cache = {};
          module.verbose('Initializing dimmer', $context);

          module.create.id();
          module.create.dimmer();

          if ( settings.allowMultiple ) {
            module.create.innerDimmer();
          }
          if (!settings.centered){
            $module.addClass('top aligned');
          }
          module.refreshModals();

          module.bind.events();
          if(settings.observeChanges) {
            module.observeChanges();
          }
          module.instantiate();
        },

        instantiate: function() {
          module.verbose('Storing instance of modal');
          instance = module;
          $module
            .data(moduleNamespace, instance)
          ;
        },

        create: {
          dimmer: function() {
            var
              defaultSettings = {
                debug      : settings.debug,
                dimmerName : 'modals'
              },
              dimmerSettings = $.extend(true, defaultSettings, settings.dimmerSettings)
            ;
            if($.fn.dimmer === undefined) {
              module.error(error.dimmer);
              return;
            }
            module.debug('Creating dimmer');
            $dimmable = $context.dimmer(dimmerSettings);
            if(settings.detachable) {
              module.verbose('Modal is detachable, moving content into dimmer');
              $dimmable.dimmer('add content', $module);
            }
            else {
              module.set.undetached();
            }
            $dimmer = $dimmable.dimmer('get dimmer');
          },
          id: function() {
            id = (Math.random().toString(16) + '000000000').substr(2, 8);
            elementEventNamespace = '.' + id;
            module.verbose('Creating unique id for element', id);
          },
          innerDimmer: function() {
            if ( $module.find(selector.dimmer).length == 0 ) {
              $module.prepend('<div class="ui inverted dimmer"></div>');
            }
          }
        },

        destroy: function() {
          if (observer) {
            observer.disconnect();
          }
          module.verbose('Destroying previous modal');
          $module
            .removeData(moduleNamespace)
            .off(eventNamespace)
          ;
          $window.off(elementEventNamespace);
          $dimmer.off(elementEventNamespace);
          $close.off(eventNamespace);
          $context.dimmer('destroy');
        },

        observeChanges: function() {
          if('MutationObserver' in window) {
            observer = new MutationObserver(function(mutations) {
              module.debug('DOM tree modified, refreshing');
              module.refresh();
            });
            observer.observe(element, {
              childList : true,
              subtree   : true
            });
            module.debug('Setting up mutation observer', observer);
          }
        },

        refresh: function() {
          module.remove.scrolling();
          module.cacheSizes();
          if(!module.can.useFlex()) {
            module.set.modalOffset();
          }
          module.set.screenHeight();
          module.set.type();
        },

        refreshModals: function() {
          $otherModals = $module.siblings(selector.modal);
          $allModals   = $otherModals.add($module);
        },

        attachEvents: function(selector, event) {
          var
            $toggle = $(selector)
          ;
          event = $.isFunction(module[event])
            ? module[event]
            : module.toggle
          ;
          if($toggle.length > 0) {
            module.debug('Attaching modal events to element', selector, event);
            $toggle
              .off(eventNamespace)
              .on('click' + eventNamespace, event)
            ;
          }
          else {
            module.error(error.notFound, selector);
          }
        },

        bind: {
          events: function() {
            module.verbose('Attaching events');
            $module
              .on('click' + eventNamespace, selector.close, module.event.close)
              .on('click' + eventNamespace, selector.approve, module.event.approve)
              .on('click' + eventNamespace, selector.deny, module.event.deny)
            ;
            $window
              .on('resize' + elementEventNamespace, module.event.resize)
            ;
          },
          scrollLock: function() {
            // touch events default to passive, due to changes in chrome to optimize mobile perf
            $dimmable.get(0).addEventListener('touchmove', module.event.preventScroll, { passive: false });
          }
        },

        unbind: {
          scrollLock: function() {
            $dimmable.get(0).removeEventListener('touchmove', module.event.preventScroll, { passive: false });
          }
        },

        get: {
          id: function() {
            return (Math.random().toString(16) + '000000000').substr(2, 8);
          }
        },

        event: {
          approve: function() {
            if(ignoreRepeatedEvents || settings.onApprove.call(element, $(this)) === false) {
              module.verbose('Approve callback returned false cancelling hide');
              return;
            }
            ignoreRepeatedEvents = true;
            module.hide(function() {
              ignoreRepeatedEvents = false;
            });
          },
          preventScroll: function(event) {
            if(event.target.className.indexOf('dimmer') !== -1) {
              event.preventDefault();
            }
          },
          deny: function() {
            if(ignoreRepeatedEvents || settings.onDeny.call(element, $(this)) === false) {
              module.verbose('Deny callback returned false cancelling hide');
              return;
            }
            ignoreRepeatedEvents = true;
            module.hide(function() {
              ignoreRepeatedEvents = false;
            });
          },
          close: function() {
            module.hide();
          },
          mousedown: function(event) {
            var
              $target   = $(event.target),
              isRtl = module.is.rtl();
            ;
            initialMouseDownInModal = ($target.closest(selector.modal).length > 0);
            if(initialMouseDownInModal) {
              module.verbose('Mouse down event registered inside the modal');
            }
            initialMouseDownInScrollbar = module.is.scrolling() && ((!isRtl && $(window).outerWidth() - settings.scrollbarWidth <= event.clientX) || (isRtl && settings.scrollbarWidth >= event.clientX));
            if(initialMouseDownInScrollbar) {
              module.verbose('Mouse down event registered inside the scrollbar');
            }
          },
          mouseup: function(event) {
            if(!settings.closable) {
              module.verbose('Dimmer clicked but closable setting is disabled');
              return;
            }
            if(initialMouseDownInModal) {
              module.debug('Dimmer clicked but mouse down was initially registered inside the modal');
              return;
            }
            if(initialMouseDownInScrollbar){
              module.debug('Dimmer clicked but mouse down was initially registered inside the scrollbar');
              return;
            }
            var
              $target   = $(event.target),
              isInModal = ($target.closest(selector.modal).length > 0),
              isInDOM   = $.contains(document.documentElement, event.target)
            ;
            if(!isInModal && isInDOM && module.is.active() && $module.hasClass(className.front) ) {
              module.debug('Dimmer clicked, hiding all modals');
              if(settings.allowMultiple) {
                if(!module.hideAll()) {
                  return;
                }
              }
              else if(!module.hide()){
                  return;
              }
              module.remove.clickaway();
            }
          },
          debounce: function(method, delay) {
            clearTimeout(module.timer);
            module.timer = setTimeout(method, delay);
          },
          keyboard: function(event) {
            var
              keyCode   = event.which,
              escapeKey = 27
            ;
            if(keyCode == escapeKey) {
              if(settings.closable) {
                module.debug('Escape key pressed hiding modal');
                if ( $module.hasClass(className.front) ) {
                  module.hide();
                }
              }
              else {
                module.debug('Escape key pressed, but closable is set to false');
              }
              event.preventDefault();
            }
          },
          resize: function() {
            if( $dimmable.dimmer('is active') && ( module.is.animating() || module.is.active() ) ) {
              requestAnimationFrame(module.refresh);
            }
          }
        },

        toggle: function() {
          if( module.is.active() || module.is.animating() ) {
            module.hide();
          }
          else {
            module.show();
          }
        },

        show: function(callback) {
          callback = $.isFunction(callback)
            ? callback
            : function(){}
          ;
          module.refreshModals();
          module.set.dimmerSettings();
          module.set.dimmerStyles();

          module.showModal(callback);
        },

        hide: function(callback) {
          callback = $.isFunction(callback)
            ? callback
            : function(){}
          ;
          module.refreshModals();
          return module.hideModal(callback);
        },

        showModal: function(callback) {
          callback = $.isFunction(callback)
            ? callback
            : function(){}
          ;
          if( module.is.animating() || !module.is.active() ) {
            module.showDimmer();
            module.cacheSizes();
            module.set.bodyMargin();
            if(module.can.useFlex()) {
              module.remove.legacy();
            }
            else {
              module.set.legacy();
              module.set.modalOffset();
              module.debug('Using non-flex legacy modal positioning.');
            }
            module.set.screenHeight();
            module.set.type();
            module.set.clickaway();

            if( !settings.allowMultiple && module.others.active() ) {
              module.hideOthers(module.showModal);
            }
            else {
              ignoreRepeatedEvents = false;
              if( settings.allowMultiple ) {
                if ( module.others.active() ) {
                  $otherModals.filter('.' + className.active).find(selector.dimmer).addClass('active');
                }

                if ( settings.detachable ) {
                  $module.detach().appendTo($dimmer);
                }
              }
              settings.onShow.call(element);
              if(settings.transition && $.fn.transition !== undefined && $module.transition('is supported')) {
                module.debug('Showing modal with css animations');
                $module
                  .transition({
                    debug       : settings.debug,
                    animation   : settings.transition + ' in',
                    queue       : settings.queue,
                    duration    : settings.duration,
                    useFailSafe : true,
                    onComplete : function() {
                      settings.onVisible.apply(element);
                      if(settings.keyboardShortcuts) {
                        module.add.keyboardShortcuts();
                      }
                      module.save.focus();
                      module.set.active();
                      if(settings.autofocus) {
                        module.set.autofocus();
                      }
                      callback();
                    }
                  })
                ;
              }
              else {
                module.error(error.noTransition);
              }
            }
          }
          else {
            module.debug('Modal is already visible');
          }
        },

        hideModal: function(callback, keepDimmed, hideOthersToo) {
          var
            $previousModal = $otherModals.filter('.' + className.active).last()
          ;
          callback = $.isFunction(callback)
            ? callback
            : function(){}
          ;
          module.debug('Hiding modal');
          if(settings.onHide.call(element, $(this)) === false) {
            module.verbose('Hide callback returned false cancelling hide');
            ignoreRepeatedEvents = false;
            return false;
          }

          if( module.is.animating() || module.is.active() ) {
            if(settings.transition && $.fn.transition !== undefined && $module.transition('is supported')) {
              module.remove.active();
              $module
                .transition({
                  debug       : settings.debug,
                  animation   : settings.transition + ' out',
                  queue       : settings.queue,
                  duration    : settings.duration,
                  useFailSafe : true,
                  onStart     : function() {
                    if(!module.others.active() && !module.others.animating() && !keepDimmed) {
                      module.hideDimmer();
                    }
                    if( settings.keyboardShortcuts && !module.others.active() ) {
                      module.remove.keyboardShortcuts();
                    }
                  },
                  onComplete : function() {
                    module.unbind.scrollLock();
                    if ( settings.allowMultiple ) {
                      $previousModal.addClass(className.front);
                      $module.removeClass(className.front);

                      if ( hideOthersToo ) {
                        $allModals.find(selector.dimmer).removeClass('active');
                      }
                      else {
                        $previousModal.find(selector.dimmer).removeClass('active');
                      }
                    }
                    settings.onHidden.call(element);
                    module.remove.dimmerStyles();
                    module.restore.focus();
                    callback();
                  }
                })
              ;
            }
            else {
              module.error(error.noTransition);
            }
          }
        },

        showDimmer: function() {
          if($dimmable.dimmer('is animating') || !$dimmable.dimmer('is active') ) {
            module.save.bodyMargin();
            module.debug('Showing dimmer');
            $dimmable.dimmer('show');
          }
          else {
            module.debug('Dimmer already visible');
          }
        },

        hideDimmer: function() {
          if( $dimmable.dimmer('is animating') || ($dimmable.dimmer('is active')) ) {
            module.unbind.scrollLock();
            $dimmable.dimmer('hide', function() {
              module.restore.bodyMargin();
              module.remove.clickaway();
              module.remove.screenHeight();
            });
          }
          else {
            module.debug('Dimmer is not visible cannot hide');
            return;
          }
        },

        hideAll: function(callback) {
          var
            $visibleModals = $allModals.filter('.' + className.active + ', .' + className.animating)
          ;
          callback = $.isFunction(callback)
            ? callback
            : function(){}
          ;
          if( $visibleModals.length > 0 ) {
            module.debug('Hiding all visible modals');
            var hideOk = true;
//check in reverse order trying to hide most top displayed modal first
            $($visibleModals.get().reverse()).each(function(index,element){
                if(hideOk){
                    hideOk = $(element).modal('hide modal', callback, false, true);
                }
            });
            if(hideOk) {
              module.hideDimmer();
            }
            return hideOk;
          }
        },

        hideOthers: function(callback) {
          var
            $visibleModals = $otherModals.filter('.' + className.active + ', .' + className.animating)
          ;
          callback = $.isFunction(callback)
            ? callback
            : function(){}
          ;
          if( $visibleModals.length > 0 ) {
            module.debug('Hiding other modals', $otherModals);
            $visibleModals
              .modal('hide modal', callback, true)
            ;
          }
        },

        others: {
          active: function() {
            return ($otherModals.filter('.' + className.active).length > 0);
          },
          animating: function() {
            return ($otherModals.filter('.' + className.animating).length > 0);
          }
        },


        add: {
          keyboardShortcuts: function() {
            module.verbose('Adding keyboard shortcuts');
            $document
              .on('keyup' + eventNamespace, module.event.keyboard)
            ;
          }
        },

        save: {
          focus: function() {
            var
              $activeElement = $(document.activeElement),
              inCurrentModal = $activeElement.closest($module).length > 0
            ;
            if(!inCurrentModal) {
              $focusedElement = $(document.activeElement).blur();
            }
          },
          bodyMargin: function() {
            initialBodyMargin = $body.css('margin-'+(module.can.leftBodyScrollbar() ? 'left':'right'));
            var bodyMarginRightPixel = parseInt(initialBodyMargin.replace(/[^\d.]/g, '')),
                bodyScrollbarWidth = window.innerWidth - document.documentElement.clientWidth;
            tempBodyMargin = bodyMarginRightPixel + bodyScrollbarWidth;
          }
        },

        restore: {
          focus: function() {
            if($focusedElement && $focusedElement.length > 0 && settings.restoreFocus) {
              $focusedElement.focus();
            }
          },
          bodyMargin: function() {
            var position = module.can.leftBodyScrollbar() ? 'left':'right';
            $body.css('margin-'+position, initialBodyMargin);
            $body.find(selector.bodyFixed.replace('right',position)).css('padding-'+position, initialBodyMargin);
          }
        },

        remove: {
          active: function() {
            $module.removeClass(className.active);
          },
          legacy: function() {
            $module.removeClass(className.legacy);
          },
          clickaway: function() {
            if (!settings.detachable) {
              $module
                  .off('mousedown' + elementEventNamespace)
              ;
            }           
            $dimmer
              .off('mousedown' + elementEventNamespace)
            ;
            $dimmer
              .off('mouseup' + elementEventNamespace)
            ;
          },
          dimmerStyles: function() {
            $dimmer.removeClass(className.inverted);
            $dimmable.removeClass(className.blurring);
          },
          bodyStyle: function() {
            if($body.attr('style') === '') {
              module.verbose('Removing style attribute');
              $body.removeAttr('style');
            }
          },
          screenHeight: function() {
            module.debug('Removing page height');
            $body
              .css('height', '')
            ;
          },
          keyboardShortcuts: function() {
            module.verbose('Removing keyboard shortcuts');
            $document
              .off('keyup' + eventNamespace)
            ;
          },
          scrolling: function() {
            $dimmable.removeClass(className.scrolling);
            $module.removeClass(className.scrolling);
          }
        },

        cacheSizes: function() {
          $module.addClass(className.loading);
          var
            scrollHeight = $module.prop('scrollHeight'),
            modalWidth   = $module.outerWidth(),
            modalHeight  = $module.outerHeight()
          ;
          if(module.cache.pageHeight === undefined || modalHeight !== 0) {
            $.extend(module.cache, {
              pageHeight    : $(document).outerHeight(),
              width         : modalWidth,
              height        : modalHeight + settings.offset,
              scrollHeight  : scrollHeight + settings.offset,
              contextHeight : (settings.context == 'body')
                ? $(window).height()
                : $dimmable.height(),
            });
            module.cache.topOffset = -(module.cache.height / 2);
          }
          $module.removeClass(className.loading);
          module.debug('Caching modal and container sizes', module.cache);
        },

        can: {
          leftBodyScrollbar: function(){
            if(module.cache.leftBodyScrollbar === undefined) {
              module.cache.leftBodyScrollbar = module.is.rtl() && ((module.is.iframe && !module.is.firefox()) || module.is.safari() || module.is.edge() || module.is.ie());
            }
            return module.cache.leftBodyScrollbar;
          },
          useFlex: function() {
            if (settings.useFlex === 'auto') {
              return settings.detachable && !module.is.ie();
            }
            if(settings.useFlex && module.is.ie()) {
              module.debug('useFlex true is not supported in IE');
            } else if(settings.useFlex && !settings.detachable) {
              module.debug('useFlex true in combination with detachable false is not supported');
            }
            return settings.useFlex;
          },
          fit: function() {
            var
              contextHeight  = module.cache.contextHeight,
              verticalCenter = module.cache.contextHeight / 2,
              topOffset      = module.cache.topOffset,
              scrollHeight   = module.cache.scrollHeight,
              height         = module.cache.height,
              paddingHeight  = settings.padding,
              startPosition  = (verticalCenter + topOffset)
            ;
            return (scrollHeight > height)
              ? (startPosition + scrollHeight + paddingHeight < contextHeight)
              : (height + (paddingHeight * 2) < contextHeight)
            ;
          }
        },

        is: {
          active: function() {
            return $module.hasClass(className.active);
          },
          ie: function() {
            if(module.cache.isIE === undefined) {
              var
                  isIE11 = (!(window.ActiveXObject) && 'ActiveXObject' in window),
                  isIE = ('ActiveXObject' in window)
              ;
              module.cache.isIE = (isIE11 || isIE);
            }
            return module.cache.isIE;
          },
          animating: function() {
            return $module.transition('is supported')
              ? $module.transition('is animating')
              : $module.is(':visible')
            ;
          },
          scrolling: function() {
            return $dimmable.hasClass(className.scrolling);
          },
          modernBrowser: function() {
            // appName for IE11 reports 'Netscape' can no longer use
            return !(window.ActiveXObject || 'ActiveXObject' in window);
          },
          rtl: function() {
            if(module.cache.isRTL === undefined) {
              module.cache.isRTL = $body.attr('dir') === 'rtl' || $body.css('direction') === 'rtl';
            }
            return module.cache.isRTL;
          },
          safari: function() {
            if(module.cache.isSafari === undefined) {
              module.cache.isSafari = /constructor/i.test(window.HTMLElement) || !!window.ApplePaySession;
            }
            return module.cache.isSafari;
          },
          edge: function(){
            if(module.cache.isEdge === undefined) {
              module.cache.isEdge = !!window.setImmediate && !module.is.ie();
            }
            return module.cache.isEdge;
          },
          firefox: function(){
            if(module.cache.isFirefox === undefined) {
                module.cache.isFirefox = !!window.InstallTrigger;
            }
            return module.cache.isFirefox;
          },
          iframe: function() {
              return !(self === top);
          }
        },

        set: {
          autofocus: function() {
            var
              $inputs    = $module.find('[tabindex], :input').filter(':visible').filter(function() {
                return $(this).closest('.disabled').length === 0;
              }),
              $autofocus = $inputs.filter('[autofocus]'),
              $input     = ($autofocus.length > 0)
                ? $autofocus.first()
                : $inputs.first()
            ;
            if($input.length > 0) {
              $input.focus();
            }
          },
          bodyMargin: function() {
            var position = module.can.leftBodyScrollbar() ? 'left':'right';
            if(settings.detachable || module.can.fit()) {
              $body.css('margin-'+position, tempBodyMargin + 'px');
            }
            $body.find(selector.bodyFixed.replace('right',position)).css('padding-'+position, tempBodyMargin + 'px');
          },
          clickaway: function() {
            if (!settings.detachable) {
              $module
                .on('mousedown' + elementEventNamespace, module.event.mousedown)
              ;
            }
            $dimmer
              .on('mousedown' + elementEventNamespace, module.event.mousedown)
            ;
            $dimmer
              .on('mouseup' + elementEventNamespace, module.event.mouseup)
            ;
          },
          dimmerSettings: function() {
            if($.fn.dimmer === undefined) {
              module.error(error.dimmer);
              return;
            }
            var
              defaultSettings = {
                debug      : settings.debug,
                dimmerName : 'modals',
                closable   : 'auto',
                useFlex    : module.can.useFlex(),
                duration   : {
                  show     : settings.duration,
                  hide     : settings.duration
                }
              },
              dimmerSettings = $.extend(true, defaultSettings, settings.dimmerSettings)
            ;
            if(settings.inverted) {
              dimmerSettings.variation = (dimmerSettings.variation !== undefined)
                ? dimmerSettings.variation + ' inverted'
                : 'inverted'
              ;
            }
            $context.dimmer('setting', dimmerSettings);
          },
          dimmerStyles: function() {
            if(settings.inverted) {
              $dimmer.addClass(className.inverted);
            }
            else {
              $dimmer.removeClass(className.inverted);
            }
            if(settings.blurring) {
              $dimmable.addClass(className.blurring);
            }
            else {
              $dimmable.removeClass(className.blurring);
            }
          },
          modalOffset: function() {
            if (!settings.detachable) {
              var canFit = module.can.fit();
              $module
                .css({
                  top: (!$module.hasClass('aligned') && canFit)
                    ? $(document).scrollTop() + (module.cache.contextHeight - module.cache.height) / 2
                    : !canFit || $module.hasClass('top')
                      ? $(document).scrollTop() + settings.padding
                      : $(document).scrollTop() + (module.cache.contextHeight - module.cache.height - settings.padding),
                  marginLeft: -(module.cache.width / 2)
                }) 
              ;
            } else {
              $module
                .css({
                  marginTop: (!$module.hasClass('aligned') && module.can.fit())
                    ? -(module.cache.height / 2)
                    : settings.padding / 2,
                  marginLeft: -(module.cache.width / 2)
                }) 
              ;
            }
            module.verbose('Setting modal offset for legacy mode');
          },
          screenHeight: function() {
            if( module.can.fit() ) {
              $body.css('height', '');
            }
            else if(!$module.hasClass('bottom')) {
              module.debug('Modal is taller than page content, resizing page height');
              $body
                .css('height', module.cache.height + (settings.padding * 2) )
              ;
            }
          },
          active: function() {
            $module.addClass(className.active + ' ' + className.front);
            $otherModals.filter('.' + className.active).removeClass(className.front);
          },
          scrolling: function() {
            $dimmable.addClass(className.scrolling);
            $module.addClass(className.scrolling);
            module.unbind.scrollLock();
          },
          legacy: function() {
            $module.addClass(className.legacy);
          },
          type: function() {
            if(module.can.fit()) {
              module.verbose('Modal fits on screen');
              if(!module.others.active() && !module.others.animating()) {
                module.remove.scrolling();
                module.bind.scrollLock();
              }
            }
            else if (!$module.hasClass('bottom')){
              module.verbose('Modal cannot fit on screen setting to scrolling');
              module.set.scrolling();
            } else {
                module.verbose('Bottom aligned modal not fitting on screen is unsupported for scrolling');
            }
          },
          undetached: function() {
            $dimmable.addClass(className.undetached);
          }
        },

        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 {
                return false;
              }
            });
          }
          if ( $.isFunction( found ) ) {
            response = found.apply(context, passedArguments);
          }
          else if(found !== undefined) {
            response = found;
          }
          if(Array.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
    : this
  ;
};

$.fn.modal.settings = {

  name           : 'Modal',
  namespace      : 'modal',

  useFlex        : 'auto',
  offset         : 0,

  silent         : false,
  debug          : false,
  verbose        : false,
  performance    : true,

  observeChanges : false,

  allowMultiple  : false,
  detachable     : true,
  closable       : true,
  autofocus      : true,
  restoreFocus   : true,

  inverted       : false,
  blurring       : false,

  centered       : true,

  dimmerSettings : {
    closable : false,
    useCSS   : true
  },

  // whether to use keyboard shortcuts
  keyboardShortcuts: true,

  context    : 'body',

  queue      : false,
  duration   : 500,
  transition : 'scale',

  // padding with edge of page
  padding    : 50,
  scrollbarWidth: 10,

  // called before show animation
  onShow     : function(){},

  // called after show animation
  onVisible  : function(){},

  // called before hide animation
  onHide     : function(){ return true; },

  // called after hide animation
  onHidden   : function(){},

  // called after approve selector match
  onApprove  : function(){ return true; },

  // called after deny selector match
  onDeny     : function(){ return true; },

  selector    : {
    close    : '> .close',
    approve  : '.actions .positive, .actions .approve, .actions .ok',
    deny     : '.actions .negative, .actions .deny, .actions .cancel',
    modal    : '.ui.modal',
    dimmer   : '> .ui.dimmer',
    bodyFixed: '> .ui.fixed.menu, > .ui.right.toast-container, > .ui.right.sidebar'
  },
  error : {
    dimmer    : 'UI Dimmer, a required component is not included in this page',
    method    : 'The method you called is not defined.',
    notFound  : 'The element you specified could not be found'
  },
  className : {
    active     : 'active',
    animating  : 'animating',
    blurring   : 'blurring',
    inverted   : 'inverted',
    legacy     : 'legacy',
    loading    : 'loading',
    scrolling  : 'scrolling',
    undetached : 'undetached',
    front      : 'front'
  }
};


})( jQuery, window, document );

/*!
 * # Fomantic-UI - Search
 * http://github.com/fomantic/Fomantic-UI/
 *
 *
 * Released under the MIT license
 * http://opensource.org/licenses/MIT
 *
 */

;(function ($, window, document, undefined) {

'use strict';

$.isFunction = $.isFunction || function(obj) {
  return typeof obj === "function" && typeof obj.nodeType !== "number";
};

window = (typeof window != 'undefined' && window.Math == Math)
  ? window
  : (typeof self != 'undefined' && self.Math == Math)
    ? self
    : Function('return this')()
;

$.fn.search = function(parameters) {
  var
    $allModules     = $(this),
    moduleSelector  = $allModules.selector || '',

    time            = new Date().getTime(),
    performance     = [],

    query           = arguments[0],
    methodInvoked   = (typeof query == 'string'),
    queryArguments  = [].slice.call(arguments, 1),
    returnedValue
  ;
  $(this)
    .each(function() {
      var
        settings          = ( $.isPlainObject(parameters) )
          ? $.extend(true, {}, $.fn.search.settings, parameters)
          : $.extend({}, $.fn.search.settings),

        className        = settings.className,
        metadata         = settings.metadata,
        regExp           = settings.regExp,
        fields           = settings.fields,
        selector         = settings.selector,
        error            = settings.error,
        namespace        = settings.namespace,

        eventNamespace   = '.' + namespace,
        moduleNamespace  = namespace + '-module',

        $module          = $(this),
        $prompt          = $module.find(selector.prompt),
        $searchButton    = $module.find(selector.searchButton),
        $results         = $module.find(selector.results),
        $result          = $module.find(selector.result),
        $category        = $module.find(selector.category),

        element          = this,
        instance         = $module.data(moduleNamespace),

        disabledBubbled  = false,
        resultsDismissed = false,

        module
      ;

      module = {

        initialize: function() {
          module.verbose('Initializing module');
          module.get.settings();
          module.determine.searchFields();
          module.bind.events();
          module.set.type();
          module.create.results();
          module.instantiate();
        },
        instantiate: function() {
          module.verbose('Storing instance of module', module);
          instance = module;
          $module
            .data(moduleNamespace, module)
          ;
        },
        destroy: function() {
          module.verbose('Destroying instance');
          $module
            .off(eventNamespace)
            .removeData(moduleNamespace)
          ;
        },

        refresh: function() {
          module.debug('Refreshing selector cache');
          $prompt         = $module.find(selector.prompt);
          $searchButton   = $module.find(selector.searchButton);
          $category       = $module.find(selector.category);
          $results        = $module.find(selector.results);
          $result         = $module.find(selector.result);
        },

        refreshResults: function() {
          $results = $module.find(selector.results);
          $result  = $module.find(selector.result);
        },

        bind: {
          events: function() {
            module.verbose('Binding events to search');
            if(settings.automatic) {
              $module
                .on(module.get.inputEvent() + eventNamespace, selector.prompt, module.event.input)
              ;
              $prompt
                .attr('autocomplete', 'off')
              ;
            }
            $module
              // prompt
              .on('focus'     + eventNamespace, selector.prompt, module.event.focus)
              .on('blur'      + eventNamespace, selector.prompt, module.event.blur)
              .on('keydown'   + eventNamespace, selector.prompt, module.handleKeyboard)
              // search button
              .on('click'     + eventNamespace, selector.searchButton, module.query)
              // results
              .on('mousedown' + eventNamespace, selector.results, module.event.result.mousedown)
              .on('mouseup'   + eventNamespace, selector.results, module.event.result.mouseup)
              .on('click'     + eventNamespace, selector.result,  module.event.result.click)
            ;
          }
        },

        determine: {
          searchFields: function() {
            // this makes sure $.extend does not add specified search fields to default fields
            // this is the only setting which should not extend defaults
            if(parameters && parameters.searchFields !== undefined) {
              settings.searchFields = parameters.searchFields;
            }
          }
        },

        event: {
          input: function() {
            if(settings.searchDelay) {
              clearTimeout(module.timer);
              module.timer = setTimeout(function() {
                if(module.is.focused()) {
                  module.query();
                }
              }, settings.searchDelay);
            }
            else {
              module.query();
            }
          },
          focus: function() {
            module.set.focus();
            if(settings.searchOnFocus && module.has.minimumCharacters() ) {
              module.query(function() {
                if(module.can.show() ) {
                  module.showResults();
                }
              });
            }
          },
          blur: function(event) {
            var
              pageLostFocus = (document.activeElement === this),
              callback      = function() {
                module.cancel.query();
                module.remove.focus();
                module.timer = setTimeout(module.hideResults, settings.hideDelay);
              }
            ;
            if(pageLostFocus) {
              return;
            }
            resultsDismissed = false;
            if(module.resultsClicked) {
              module.debug('Determining if user action caused search to close');
              $module
                .one('click.close' + eventNamespace, selector.results, function(event) {
                  if(module.is.inMessage(event) || disabledBubbled) {
                    $prompt.focus();
                    return;
                  }
                  disabledBubbled = false;
                  if( !module.is.animating() && !module.is.hidden()) {
                    callback();
                  }
                })
              ;
            }
            else {
              module.debug('Input blurred without user action, closing results');
              callback();
            }
          },
          result: {
            mousedown: function() {
              module.resultsClicked = true;
            },
            mouseup: function() {
              module.resultsClicked = false;
            },
            click: function(event) {
              module.debug('Search result selected');
              var
                $result = $(this),
                $title  = $result.find(selector.title).eq(0),
                $link   = $result.is('a[href]')
                  ? $result
                  : $result.find('a[href]').eq(0),
                href    = $link.attr('href')   || false,
                target  = $link.attr('target') || false,
                // title is used for result lookup
                value   = ($title.length > 0)
                  ? $title.text()
                  : false,
                results = module.get.results(),
                result  = $result.data(metadata.result) || module.get.result(value, results)
              ;
              if(value) {
                module.set.value(value);
              }
              if( $.isFunction(settings.onSelect) ) {
                if(settings.onSelect.call(element, result, results) === false) {
                  module.debug('Custom onSelect callback cancelled default select action');
                  disabledBubbled = true;
                  return;
                }
              }
              module.hideResults();
              if(href) {
                event.preventDefault();
                module.verbose('Opening search link found in result', $link);
                if(target == '_blank' || event.ctrlKey) {
                  window.open(href);
                }
                else {
                  window.location.href = (href);
                }
              }
            }
          }
        },
        ensureVisible: function ensureVisible($el) {
          var elTop, elBottom, resultsScrollTop, resultsHeight;

          elTop = $el.position().top;
          elBottom = elTop + $el.outerHeight(true);

          resultsScrollTop = $results.scrollTop();
          resultsHeight = $results.height()
            parseInt($results.css('paddingTop'), 0) +
            parseInt($results.css('paddingBottom'), 0);
            
          if (elTop < 0) {
            $results.scrollTop(resultsScrollTop + elTop);
          }

          else if (resultsHeight < elBottom) {
            $results.scrollTop(resultsScrollTop + (elBottom - resultsHeight));
          }
        },
        handleKeyboard: function(event) {
          var
            // force selector refresh
            $result         = $module.find(selector.result),
            $category       = $module.find(selector.category),
            $activeResult   = $result.filter('.' + className.active),
            currentIndex    = $result.index( $activeResult ),
            resultSize      = $result.length,
            hasActiveResult = $activeResult.length > 0,

            keyCode         = event.which,
            keys            = {
              backspace : 8,
              enter     : 13,
              escape    : 27,
              upArrow   : 38,
              downArrow : 40
            },
            newIndex
          ;
          // search shortcuts
          if(keyCode == keys.escape) {
            module.verbose('Escape key pressed, blurring search field');
            module.hideResults();
            resultsDismissed = true;
          }
          if( module.is.visible() ) {
            if(keyCode == keys.enter) {
              module.verbose('Enter key pressed, selecting active result');
              if( $result.filter('.' + className.active).length > 0 ) {
                module.event.result.click.call($result.filter('.' + className.active), event);
                event.preventDefault();
                return false;
              }
            }
            else if(keyCode == keys.upArrow && hasActiveResult) {
              module.verbose('Up key pressed, changing active result');
              newIndex = (currentIndex - 1 < 0)
                ? currentIndex
                : currentIndex - 1
              ;
              $category
                .removeClass(className.active)
              ;
              $result
                .removeClass(className.active)
                .eq(newIndex)
                  .addClass(className.active)
                  .closest($category)
                    .addClass(className.active)
              ;
              module.ensureVisible($result.eq(newIndex));
              event.preventDefault();
            }
            else if(keyCode == keys.downArrow) {
              module.verbose('Down key pressed, changing active result');
              newIndex = (currentIndex + 1 >= resultSize)
                ? currentIndex
                : currentIndex + 1
              ;
              $category
                .removeClass(className.active)
              ;
              $result
                .removeClass(className.active)
                .eq(newIndex)
                  .addClass(className.active)
                  .closest($category)
                    .addClass(className.active)
              ;
              module.ensureVisible($result.eq(newIndex));
              event.preventDefault();
            }
          }
          else {
            // query shortcuts
            if(keyCode == keys.enter) {
              module.verbose('Enter key pressed, executing query');
              module.query();
              module.set.buttonPressed();
              $prompt.one('keyup', module.remove.buttonFocus);
            }
          }
        },

        setup: {
          api: function(searchTerm, callback) {
            var
              apiSettings = {
                debug             : settings.debug,
                on                : false,
                cache             : settings.cache,
                action            : 'search',
                urlData           : {
                  query : searchTerm
                },
                onSuccess         : function(response) {
                  module.parse.response.call(element, response, searchTerm);
                  callback();
                },
                onFailure         : function() {
                  module.displayMessage(error.serverError);
                  callback();
                },
                onAbort : function(response) {
                },
                onError           : module.error
              }
            ;
            $.extend(true, apiSettings, settings.apiSettings);
            module.verbose('Setting up API request', apiSettings);
            $module.api(apiSettings);
          }
        },

        can: {
          useAPI: function() {
            return $.fn.api !== undefined;
          },
          show: function() {
            return module.is.focused() && !module.is.visible() && !module.is.empty();
          },
          transition: function() {
            return settings.transition && $.fn.transition !== undefined && $module.transition('is supported');
          }
        },

        is: {
          animating: function() {
            return $results.hasClass(className.animating);
          },
          hidden: function() {
            return $results.hasClass(className.hidden);
          },
          inMessage: function(event) {
            if(!event.target) {
              return;
            }
            var
              $target = $(event.target),
              isInDOM = $.contains(document.documentElement, event.target)
            ;
            return (isInDOM && $target.closest(selector.message).length > 0);
          },
          empty: function() {
            return ($results.html() === '');
          },
          visible: function() {
            return ($results.filter(':visible').length > 0);
          },
          focused: function() {
            return ($prompt.filter(':focus').length > 0);
          }
        },

        get: {
          settings: function() {
            if($.isPlainObject(parameters) && parameters.searchFullText) {
              settings.fullTextSearch = parameters.searchFullText;
              module.error(settings.error.oldSearchSyntax, element);
            }
            if (settings.ignoreDiacritics && !String.prototype.normalize) {
              settings.ignoreDiacritics = false;
              module.error(error.noNormalize, element);
            }
          },
          inputEvent: function() {
            var
              prompt = $prompt[0],
              inputEvent   = (prompt !== undefined && prompt.oninput !== undefined)
                ? 'input'
                : (prompt !== undefined && prompt.onpropertychange !== undefined)
                  ? 'propertychange'
                  : 'keyup'
            ;
            return inputEvent;
          },
          value: function() {
            return $prompt.val();
          },
          results: function() {
            var
              results = $module.data(metadata.results)
            ;
            return results;
          },
          result: function(value, results) {
            var
              result       = false
            ;
            value = (value !== undefined)
              ? value
              : module.get.value()
            ;
            results = (results !== undefined)
              ? results
              : module.get.results()
            ;
            if(settings.type === 'category') {
              module.debug('Finding result that matches', value);
              $.each(results, function(index, category) {
                if(Array.isArray(category.results)) {
                  result = module.search.object(value, category.results)[0];
                  // don't continue searching if a result is found
                  if(result) {
                    return false;
                  }
                }
              });
            }
            else {
              module.debug('Finding result in results object', value);
              result = module.search.object(value, results)[0];
            }
            return result || false;
          },
        },

        select: {
          firstResult: function() {
            module.verbose('Selecting first result');
            $result.first().addClass(className.active);
          }
        },

        set: {
          focus: function() {
            $module.addClass(className.focus);
          },
          loading: function() {
            $module.addClass(className.loading);
          },
          value: function(value) {
            module.verbose('Setting search input value', value);
            $prompt
              .val(value)
            ;
          },
          type: function(type) {
            type = type || settings.type;
            if(settings.type == 'category') {
              $module.addClass(settings.type);
            }
          },
          buttonPressed: function() {
            $searchButton.addClass(className.pressed);
          }
        },

        remove: {
          loading: function() {
            $module.removeClass(className.loading);
          },
          focus: function() {
            $module.removeClass(className.focus);
          },
          buttonPressed: function() {
            $searchButton.removeClass(className.pressed);
          },
          diacritics: function(text) {
            return settings.ignoreDiacritics ?  text.normalize('NFD').replace(/[\u0300-\u036f]/g, '') : text;
          }
        },

        query: function(callback) {
          callback = $.isFunction(callback)
            ? callback
            : function(){}
          ;
          var
            searchTerm = module.get.value(),
            cache = module.read.cache(searchTerm)
          ;
          callback = callback || function() {};
          if( module.has.minimumCharacters() )  {
            if(cache) {
              module.debug('Reading result from cache', searchTerm);
              module.save.results(cache.results);
              module.addResults(cache.html);
              module.inject.id(cache.results);
              callback();
            }
            else {
              module.debug('Querying for', searchTerm);
              if($.isPlainObject(settings.source) || Array.isArray(settings.source)) {
                module.search.local(searchTerm);
                callback();
              }
              else if( module.can.useAPI() ) {
                module.search.remote(searchTerm, callback);
              }
              else {
                module.error(error.source);
                callback();
              }
            }
            settings.onSearchQuery.call(element, searchTerm);
          }
          else {
            module.hideResults();
          }
        },

        search: {
          local: function(searchTerm) {
            var
              results = module.search.object(searchTerm, settings.source),
              searchHTML
            ;
            module.set.loading();
            module.save.results(results);
            module.debug('Returned full local search results', results);
            if(settings.maxResults > 0) {
              module.debug('Using specified max results', results);
              results = results.slice(0, settings.maxResults);
            }
            if(settings.type == 'category') {
              results = module.create.categoryResults(results);
            }
            searchHTML = module.generateResults({
              results: results
            });
            module.remove.loading();
            module.addResults(searchHTML);
            module.inject.id(results);
            module.write.cache(searchTerm, {
              html    : searchHTML,
              results : results
            });
          },
          remote: function(searchTerm, callback) {
            callback = $.isFunction(callback)
              ? callback
              : function(){}
            ;
            if($module.api('is loading')) {
              $module.api('abort');
            }
            module.setup.api(searchTerm, callback);
            $module
              .api('query')
            ;
          },
          object: function(searchTerm, source, searchFields) {
            searchTerm = module.remove.diacritics(String(searchTerm));
            var
              results      = [],
              exactResults = [],
              fuzzyResults = [],
              searchExp    = searchTerm.replace(regExp.escape, '\\$&'),
              matchRegExp  = new RegExp(regExp.beginsWith + searchExp, 'i'),

              // avoid duplicates when pushing results
              addResult = function(array, result) {
                var
                  notResult      = ($.inArray(result, results) == -1),
                  notFuzzyResult = ($.inArray(result, fuzzyResults) == -1),
                  notExactResults = ($.inArray(result, exactResults) == -1)
                ;
                if(notResult && notFuzzyResult && notExactResults) {
                  array.push(result);
                }
              }
            ;
            source = source || settings.source;
            searchFields = (searchFields !== undefined)
              ? searchFields
              : settings.searchFields
            ;

            // search fields should be array to loop correctly
            if(!Array.isArray(searchFields)) {
              searchFields = [searchFields];
            }

            // exit conditions if no source
            if(source === undefined || source === false) {
              module.error(error.source);
              return [];
            }
            // iterate through search fields looking for matches
            $.each(searchFields, function(index, field) {
              $.each(source, function(label, content) {
                var
                  fieldExists = (typeof content[field] == 'string') || (typeof content[field] == 'number')
                ;
                if(fieldExists) {
                  var text;
                  if (typeof content[field] === 'string'){  
                      text = module.remove.diacritics(content[field]);
                  } else {
                      text = content[field].toString(); 
                  }
                  if( text.search(matchRegExp) !== -1) {
                    // content starts with value (first in results)
                    addResult(results, content);
                  }
                  else if(settings.fullTextSearch === 'exact' && module.exactSearch(searchTerm, text) ) {
                    // content fuzzy matches (last in results)
                    addResult(exactResults, content);
                  }
                  else if(settings.fullTextSearch == true && module.fuzzySearch(searchTerm, text) ) {
                    // content fuzzy matches (last in results)
                    addResult(fuzzyResults, content);
                  }
                }
              });
            });
            $.merge(exactResults, fuzzyResults);
            $.merge(results, exactResults);
            return results;
          }
        },
        exactSearch: function (query, term) {
          query = query.toLowerCase();
          term  = term.toLowerCase();
          return term.indexOf(query) > -1;
        },
        fuzzySearch: function(query, term) {
          var
            termLength  = term.length,
            queryLength = query.length
          ;
          if(typeof query !== 'string') {
            return false;
          }
          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;
        },

        parse: {
          response: function(response, searchTerm) {
            if(Array.isArray(response)){
                var o={};
                o[fields.results]=response;
                response = o;
            }
            var
              searchHTML = module.generateResults(response)
            ;
            module.verbose('Parsing server response', response);
            if(response !== undefined) {
              if(searchTerm !== undefined && response[fields.results] !== undefined) {
                module.addResults(searchHTML);
                module.inject.id(response[fields.results]);
                module.write.cache(searchTerm, {
                  html    : searchHTML,
                  results : response[fields.results]
                });
                module.save.results(response[fields.results]);
              }
            }
          }
        },

        cancel: {
          query: function() {
            if( module.can.useAPI() ) {
              $module.api('abort');
            }
          }
        },

        has: {
          minimumCharacters: function() {
            var
              searchTerm    = module.get.value(),
              numCharacters = searchTerm.length
            ;
            return (numCharacters >= settings.minCharacters);
          },
          results: function() {
            if($results.length === 0) {
              return false;
            }
            var
              html = $results.html()
            ;
            return html != '';
          }
        },

        clear: {
          cache: function(value) {
            var
              cache = $module.data(metadata.cache)
            ;
            if(!value) {
              module.debug('Clearing cache', value);
              $module.removeData(metadata.cache);
            }
            else if(value && cache && cache[value]) {
              module.debug('Removing value from cache', value);
              delete cache[value];
              $module.data(metadata.cache, cache);
            }
          }
        },

        read: {
          cache: function(name) {
            var
              cache = $module.data(metadata.cache)
            ;
            if(settings.cache) {
              module.verbose('Checking cache for generated html for query', name);
              return (typeof cache == 'object') && (cache[name] !== undefined)
                ? cache[name]
                : false
              ;
            }
            return false;
          }
        },

        create: {
          categoryResults: function(results) {
            var
              categoryResults = {}
            ;
            $.each(results, function(index, result) {
              if(!result.category) {
                return;
              }
              if(categoryResults[result.category] === undefined) {
                module.verbose('Creating new category of results', result.category);
                categoryResults[result.category] = {
                  name    : result.category,
                  results : [result]
                };
              }
              else {
                categoryResults[result.category].results.push(result);
              }
            });
            return categoryResults;
          },
          id: function(resultIndex, categoryIndex) {
            var
              resultID      = (resultIndex + 1), // not zero indexed
              letterID,
              id
            ;
            if(categoryIndex !== undefined) {
              // start char code for "A"
              letterID = String.fromCharCode(97 + categoryIndex);
              id          = letterID + resultID;
              module.verbose('Creating category result id', id);
            }
            else {
              id = resultID;
              module.verbose('Creating result id', id);
            }
            return id;
          },
          results: function() {
            if($results.length === 0) {
              $results = $('<div />')
                .addClass(className.results)
                .appendTo($module)
              ;
            }
          }
        },

        inject: {
          result: function(result, resultIndex, categoryIndex) {
            module.verbose('Injecting result into results');
            var
              $selectedResult = (categoryIndex !== undefined)
                ? $results
                    .children().eq(categoryIndex)
                      .children(selector.results)
                        .first()
                        .children(selector.result)
                          .eq(resultIndex)
                : $results
                    .children(selector.result).eq(resultIndex)
            ;
            module.verbose('Injecting results metadata', $selectedResult);
            $selectedResult
              .data(metadata.result, result)
            ;
          },
          id: function(results) {
            module.debug('Injecting unique ids into results');
            var
              // since results may be object, we must use counters
              categoryIndex = 0,
              resultIndex   = 0
            ;
            if(settings.type === 'category') {
              // iterate through each category result
              $.each(results, function(index, category) {
                if(category.results.length > 0){
                  resultIndex = 0;
                  $.each(category.results, function(index, result) {
                    if(result.id === undefined) {
                      result.id = module.create.id(resultIndex, categoryIndex);
                    }
                    module.inject.result(result, resultIndex, categoryIndex);
                    resultIndex++;
                  });
                  categoryIndex++;
                }
              });
            }
            else {
              // top level
              $.each(results, function(index, result) {
                if(result.id === undefined) {
                  result.id = module.create.id(resultIndex);
                }
                module.inject.result(result, resultIndex);
                resultIndex++;
              });
            }
            return results;
          }
        },

        save: {
          results: function(results) {
            module.verbose('Saving current search results to metadata', results);
            $module.data(metadata.results, results);
          }
        },

        write: {
          cache: function(name, value) {
            var
              cache = ($module.data(metadata.cache) !== undefined)
                ? $module.data(metadata.cache)
                : {}
            ;
            if(settings.cache) {
              module.verbose('Writing generated html to cache', name, value);
              cache[name] = value;
              $module
                .data(metadata.cache, cache)
              ;
            }
          }
        },

        addResults: function(html) {
          if( $.isFunction(settings.onResultsAdd) ) {
            if( settings.onResultsAdd.call($results, html) === false ) {
              module.debug('onResultsAdd callback cancelled default action');
              return false;
            }
          }
          if(html) {
            $results
              .html(html)
            ;
            module.refreshResults();
            if(settings.selectFirstResult) {
              module.select.firstResult();
            }
            module.showResults();
          }
          else {
            module.hideResults(function() {
              $results.empty();
            });
          }
        },

        showResults: function(callback) {
          callback = $.isFunction(callback)
            ? callback
            : function(){}
          ;
          if(resultsDismissed) {
            return;
          }
          if(!module.is.visible() && module.has.results()) {
            if( module.can.transition() ) {
              module.debug('Showing results with css animations');
              $results
                .transition({
                  animation  : settings.transition + ' in',
                  debug      : settings.debug,
                  verbose    : settings.verbose,
                  duration   : settings.duration,
                  onShow     : function() {
                    var $firstResult = $module.find(selector.result).eq(0);
                    if($firstResult.length > 0) {
                      module.ensureVisible($firstResult);
                    }
                  },
                  onComplete : function() {
                    callback();
                  },
                  queue      : true
                })
              ;
            }
            else {
              module.debug('Showing results with javascript');
              $results
                .stop()
                .fadeIn(settings.duration, settings.easing)
              ;
            }
            settings.onResultsOpen.call($results);
          }
        },
        hideResults: function(callback) {
          callback = $.isFunction(callback)
            ? callback
            : function(){}
          ;
          if( module.is.visible() ) {
            if( module.can.transition() ) {
              module.debug('Hiding results with css animations');
              $results
                .transition({
                  animation  : settings.transition + ' out',
                  debug      : settings.debug,
                  verbose    : settings.verbose,
                  duration   : settings.duration,
                  onComplete : function() {
                    callback();
                  },
                  queue      : true
                })
              ;
            }
            else {
              module.debug('Hiding results with javascript');
              $results
                .stop()
                .fadeOut(settings.duration, settings.easing)
              ;
            }
            settings.onResultsClose.call($results);
          }
        },

        generateResults: function(response) {
          module.debug('Generating html from response', response);
          var
            template       = settings.templates[settings.type],
            isProperObject = ($.isPlainObject(response[fields.results]) && !$.isEmptyObject(response[fields.results])),
            isProperArray  = (Array.isArray(response[fields.results]) && response[fields.results].length > 0),
            html           = ''
          ;
          if(isProperObject || isProperArray ) {
            if(settings.maxResults > 0) {
              if(isProperObject) {
                if(settings.type == 'standard') {
                  module.error(error.maxResults);
                }
              }
              else {
                response[fields.results] = response[fields.results].slice(0, settings.maxResults);
              }
            }
            if($.isFunction(template)) {
              html = template(response, fields, settings.preserveHTML);
            }
            else {
              module.error(error.noTemplate, false);
            }
          }
          else if(settings.showNoResults) {
            html = module.displayMessage(error.noResults, 'empty', error.noResultsHeader);
          }
          settings.onResults.call(element, response);
          return html;
        },

        displayMessage: function(text, type, header) {
          type = type || 'standard';
          module.debug('Displaying message', text, type, header);
          module.addResults( settings.templates.message(text, type, header) );
          return settings.templates.message(text, type, header);
        },

        setting: function(name, value) {
          if( $.isPlainObject(name) ) {
            $.extend(true, settings, name);
          }
          else if(value !== undefined) {
            settings[name] = value;
          }
          else {
            return settings[name];
          }
        },
        internal: function(name, value) {
          if( $.isPlainObject(name) ) {
            $.extend(true, module, name);
          }
          else if(value !== undefined) {
            module[name] = value;
          }
          else {
            return module[name];
          }
        },
        debug: function() {
          if(!settings.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);
            $.each(performance, function(index, data) {
              totalTime += data['Execution Time'];
            });
            title += ' ' + totalTime + 'ms';
            if(moduleSelector) {
              title += ' \'' + moduleSelector + '\'';
            }
            if($allModules.length > 1) {
              title += ' ' + '(' + $allModules.length + ')';
            }
            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 {
                return false;
              }
            });
          }
          if( $.isFunction( found ) ) {
            response = found.apply(context, passedArguments);
          }
          else if(found !== undefined) {
            response = found;
          }
          if(Array.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
    : this
  ;
};

$.fn.search.settings = {

  name              : 'Search',
  namespace         : 'search',

  silent            : false,
  debug             : false,
  verbose           : false,
  performance       : true,

  // template to use (specified in settings.templates)
  type              : 'standard',

  // minimum characters required to search
  minCharacters     : 1,

  // whether to select first result after searching automatically
  selectFirstResult : false,

  // API config
  apiSettings       : false,

  // object to search
  source            : false,

  // Whether search should query current term on focus
  searchOnFocus     : true,

  // fields to search
  searchFields   : [
    'id',
    'title',
    'description'
  ],

  // field to display in standard results template
  displayField   : '',

  // search anywhere in value (set to 'exact' to require exact matches
  fullTextSearch : 'exact',

  // match results also if they contain diacritics of the same base character (for example searching for "a" will also match "á" or "â" or "à", etc...)
  ignoreDiacritics : false,

  // whether to add events to prompt automatically
  automatic      : true,

  // delay before hiding menu after blur
  hideDelay      : 0,

  // delay before searching
  searchDelay    : 200,

  // maximum results returned from search
  maxResults     : 7,

  // whether to store lookups in local cache
  cache          : true,

  // whether no results errors should be shown
  showNoResults  : true,

  // preserve possible html of resultset values
  preserveHTML   : true,

  // transition settings
  transition     : 'scale',
  duration       : 200,
  easing         : 'easeOutExpo',

  // callbacks
  onSelect       : false,
  onResultsAdd   : false,

  onSearchQuery  : function(query){},
  onResults      : function(response){},

  onResultsOpen  : function(){},
  onResultsClose : function(){},

  className: {
    animating : 'animating',
    active    : 'active',
    empty     : 'empty',
    focus     : 'focus',
    hidden    : 'hidden',
    loading   : 'loading',
    results   : 'results',
    pressed   : 'down'
  },

  error : {
    source          : 'Cannot search. No source used, and Semantic API module was not included',
    noResultsHeader : 'No Results',
    noResults       : 'Your search returned no results',
    logging         : 'Error in debug logging, exiting.',
    noEndpoint      : 'No search endpoint was specified',
    noTemplate      : 'A valid template name was not specified.',
    oldSearchSyntax : 'searchFullText setting has been renamed fullTextSearch for consistency, please adjust your settings.',
    serverError     : 'There was an issue querying the server.',
    maxResults      : 'Results must be an array to use maxResults setting',
    method          : 'The method you called is not defined.',
    noNormalize     : '"ignoreDiacritics" setting will be ignored. Browser does not support String().normalize(). You may consider including <https://cdn.jsdelivr.net/npm/unorm@1.4.1/lib/unorm.min.js> as a polyfill.'
  },

  metadata: {
    cache   : 'cache',
    results : 'results',
    result  : 'result'
  },

  regExp: {
    escape     : /[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g,
    beginsWith : '(?:\s|^)'
  },

  // maps api response attributes to internal representation
  fields: {
    categories      : 'results',     // array of categories (category view)
    categoryName    : 'name',        // name of category (category view)
    categoryResults : 'results',     // array of results (category view)
    description     : 'description', // result description
    image           : 'image',       // result image
    price           : 'price',       // result price
    results         : 'results',     // array of results (standard)
    title           : 'title',       // result title
    url             : 'url',         // result url
    action          : 'action',      // "view more" object name
    actionText      : 'text',        // "view more" text
    actionURL       : 'url'          // "view more" url
  },

  selector : {
    prompt       : '.prompt',
    searchButton : '.search.button',
    results      : '.results',
    message      : '.results > .message',
    category     : '.category',
    result       : '.result',
    title        : '.title, .name'
  },

  templates: {
    escape: function(string, preserveHTML) {
      if (preserveHTML){
        return string;
      }
      var
        badChars     = /[<>"'`]/g,
        shouldEscape = /[&<>"'`]/,
        escape       = {
          "<": "&lt;",
          ">": "&gt;",
          '"': "&quot;",
          "'": "&#x27;",
          "`": "&#x60;"
        },
        escapedChar  = function(chr) {
          return escape[chr];
        }
      ;
      if(shouldEscape.test(string)) {
        string = string.replace(/&(?![a-z0-9#]{1,6};)/, "&amp;");
        return string.replace(badChars, escapedChar);
      }
      return string;
    },
    message: function(message, type, header) {
      var
        html = ''
      ;
      if(message !== undefined && type !== undefined) {
        html +=  ''
          + '<div class="message ' + type + '">'
        ;
        if(header) {
          html += ''
          + '<div class="header">' + header + '</div>'
          ;
        }
        html += ' <div class="description">' + message + '</div>';
        html += '</div>';
      }
      return html;
    },
    category: function(response, fields, preserveHTML) {
      var
        html = '',
        escape = $.fn.search.settings.templates.escape
      ;
      if(response[fields.categoryResults] !== undefined) {

        // each category
        $.each(response[fields.categoryResults], function(index, category) {
          if(category[fields.results] !== undefined && category.results.length > 0) {

            html  += '<div class="category">';

            if(category[fields.categoryName] !== undefined) {
              html += '<div class="name">' + escape(category[fields.categoryName], preserveHTML) + '</div>';
            }

            // each item inside category
            html += '<div class="results">';
            $.each(category.results, function(index, result) {
              if(result[fields.url]) {
                html  += '<a class="result" href="' + result[fields.url].replace(/"/g,"") + '">';
              }
              else {
                html  += '<a class="result">';
              }
              if(result[fields.image] !== undefined) {
                html += ''
                  + '<div class="image">'
                  + ' <img src="' + result[fields.image].replace(/"/g,"") + '">'
                  + '</div>'
                ;
              }
              html += '<div class="content">';
              if(result[fields.price] !== undefined) {
                html += '<div class="price">' + escape(result[fields.price], preserveHTML) + '</div>';
              }
              if(result[fields.title] !== undefined) {
                html += '<div class="title">' + escape(result[fields.title], preserveHTML) + '</div>';
              }
              if(result[fields.description] !== undefined) {
                html += '<div class="description">' + escape(result[fields.description], preserveHTML) + '</div>';
              }
              html  += ''
                + '</div>'
              ;
              html += '</a>';
            });
            html += '</div>';
            html  += ''
              + '</div>'
            ;
          }
        });
        if(response[fields.action]) {
          if(fields.actionURL === false) {
            html += ''
            + '<div class="action">'
            +   escape(response[fields.action][fields.actionText], preserveHTML)
            + '</div>';
          } else {
            html += ''
            + '<a href="' + response[fields.action][fields.actionURL].replace(/"/g,"") + '" class="action">'
            +   escape(response[fields.action][fields.actionText], preserveHTML)
            + '</a>';
          }
        }
        return html;
      }
      return false;
    },
    standard: function(response, fields, preserveHTML) {
      var
        html = '',
        escape = $.fn.search.settings.templates.escape
      ;
      if(response[fields.results] !== undefined) {

        // each result
        $.each(response[fields.results], function(index, result) {
          if(result[fields.url]) {
            html  += '<a class="result" href="' + result[fields.url].replace(/"/g,"") + '">';
          }
          else {
            html  += '<a class="result">';
          }
          if(result[fields.image] !== undefined) {
            html += ''
              + '<div class="image">'
              + ' <img src="' + result[fields.image].replace(/"/g,"") + '">'
              + '</div>'
            ;
          }
          html += '<div class="content">';
          if(result[fields.price] !== undefined) {
            html += '<div class="price">' + escape(result[fields.price], preserveHTML) + '</div>';
          }
          if(result[fields.title] !== undefined) {
            html += '<div class="title">' + escape(result[fields.title], preserveHTML) + '</div>';
          }
          if(result[fields.description] !== undefined) {
            html += '<div class="description">' + escape(result[fields.description], preserveHTML) + '</div>';
          }
          html  += ''
            + '</div>'
          ;
          html += '</a>';
        });
        if(response[fields.action]) {
          if(fields.actionURL === false) {
            html += ''
            + '<div class="action">'
            +   escape(response[fields.action][fields.actionText], preserveHTML)
            + '</div>';
          } else {
            html += ''
            + '<a href="' + response[fields.action][fields.actionURL].replace(/"/g,"") + '" class="action">'
            +   escape(response[fields.action][fields.actionText], preserveHTML)
            + '</a>';
          }
        }
        return html;
      }
      return false;
    }
  }
};

})( jQuery, window, document );

/*!
 * # Fomantic-UI - Tab
 * http://github.com/fomantic/Fomantic-UI/
 *
 *
 * Released under the MIT license
 * http://opensource.org/licenses/MIT
 *
 */

;(function ($, window, document, undefined) {

'use strict';

$.isWindow = $.isWindow || function(obj) {
  return obj != null && obj === obj.window;
};
$.isFunction = $.isFunction || function(obj) {
  return typeof obj === "function" && typeof obj.nodeType !== "number";
};

window = (typeof window != 'undefined' && window.Math == Math)
  ? window
  : (typeof self != 'undefined' && self.Math == Math)
    ? self
    : Function('return this')()
;

$.fn.tab = function(parameters) {

  var
    // use window context if none specified
    $allModules     = $.isFunction(this)
        ? $(window)
        : $(this),

    moduleSelector  = $allModules.selector || '',
    time            = new Date().getTime(),
    performance     = [],

    query           = arguments[0],
    methodInvoked   = (typeof query == 'string'),
    queryArguments  = [].slice.call(arguments, 1),

    initializedHistory = false,
    returnedValue
  ;

  $allModules
    .each(function() {
      var

        settings        = ( $.isPlainObject(parameters) )
          ? $.extend(true, {}, $.fn.tab.settings, parameters)
          : $.extend({}, $.fn.tab.settings),

        className       = settings.className,
        metadata        = settings.metadata,
        selector        = settings.selector,
        error           = settings.error,
        regExp          = settings.regExp,

        eventNamespace  = '.' + settings.namespace,
        moduleNamespace = 'module-' + settings.namespace,

        $module         = $(this),
        $context,
        $tabs,

        cache           = {},
        firstLoad       = true,
        recursionDepth  = 0,
        element         = this,
        instance        = $module.data(moduleNamespace),

        activeTabPath,
        parameterArray,
        module,

        historyEvent

      ;

      module = {

        initialize: function() {
          module.debug('Initializing tab menu item', $module);
          module.fix.callbacks();
          module.determineTabs();

          module.debug('Determining tabs', settings.context, $tabs);
          // set up automatic routing
          if(settings.auto) {
            module.set.auto();
          }
          module.bind.events();

          if(settings.history && !initializedHistory) {
            module.initializeHistory();
            initializedHistory = true;
          }

          if(settings.autoTabActivation && instance === undefined && module.determine.activeTab() == null) {
            module.debug('No active tab detected, setting first tab active', module.get.initialPath());
            module.changeTab(settings.autoTabActivation === true ? module.get.initialPath() : settings.autoTabActivation);
          };

          module.instantiate();
        },

        instantiate: function () {
          module.verbose('Storing instance of module', module);
          instance = module;
          $module
            .data(moduleNamespace, module)
          ;
        },

        destroy: function() {
          module.debug('Destroying tabs', $module);
          $module
            .removeData(moduleNamespace)
            .off(eventNamespace)
          ;
        },

        bind: {
          events: function() {
            // if using $.tab don't add events
            if( !$.isWindow( element ) ) {
              module.debug('Attaching tab activation events to element', $module);
              $module
                .on('click' + eventNamespace, module.event.click)
              ;
            }
          }
        },

        determineTabs: function() {
          var
            $reference
          ;

          // determine tab context
          if(settings.context === 'parent') {
            if($module.closest(selector.ui).length > 0) {
              $reference = $module.closest(selector.ui);
              module.verbose('Using closest UI element as parent', $reference);
            }
            else {
              $reference = $module;
            }
            $context = $reference.parent();
            module.verbose('Determined parent element for creating context', $context);
          }
          else if(settings.context) {
            $context = $(settings.context);
            module.verbose('Using selector for tab context', settings.context, $context);
          }
          else {
            $context = $('body');
          }
          // find tabs
          if(settings.childrenOnly) {
            $tabs = $context.children(selector.tabs);
            module.debug('Searching tab context children for tabs', $context, $tabs);
          }
          else {
            $tabs = $context.find(selector.tabs);
            module.debug('Searching tab context for tabs', $context, $tabs);
          }
        },

        fix: {
          callbacks: function() {
            if( $.isPlainObject(parameters) && (parameters.onTabLoad || parameters.onTabInit) ) {
              if(parameters.onTabLoad) {
                parameters.onLoad = parameters.onTabLoad;
                delete parameters.onTabLoad;
                module.error(error.legacyLoad, parameters.onLoad);
              }
              if(parameters.onTabInit) {
                parameters.onFirstLoad = parameters.onTabInit;
                delete parameters.onTabInit;
                module.error(error.legacyInit, parameters.onFirstLoad);
              }
              settings = $.extend(true, {}, $.fn.tab.settings, parameters);
            }
          }
        },

        initializeHistory: function() {
          module.debug('Initializing page state');
          if( $.address === undefined ) {
            module.error(error.state);
            return false;
          }
          else {
            if(settings.historyType == 'state') {
              module.debug('Using HTML5 to manage state');
              if(settings.path !== false) {
                $.address
                  .history(true)
                  .state(settings.path)
                ;
              }
              else {
                module.error(error.path);
                return false;
              }
            }
            $.address
              .bind('change', module.event.history.change)
            ;
          }
        },

        event: {
          click: function(event) {
            var
              tabPath = $(this).data(metadata.tab)
            ;
            if(tabPath !== undefined) {
              if(settings.history) {
                module.verbose('Updating page state', event);
                $.address.value(tabPath);
              }
              else {
                module.verbose('Changing tab', event);
                module.changeTab(tabPath);
              }
              event.preventDefault();
            }
            else {
              module.debug('No tab specified');
            }
          },
          history: {
            change: function(event) {
              var
                tabPath   = event.pathNames.join('/') || module.get.initialPath(),
                pageTitle = settings.templates.determineTitle(tabPath) || false
              ;
              module.performance.display();
              module.debug('History change event', tabPath, event);
              historyEvent = event;
              if(tabPath !== undefined) {
                module.changeTab(tabPath);
              }
              if(pageTitle) {
                $.address.title(pageTitle);
              }
            }
          }
        },

        refresh: function() {
          if(activeTabPath) {
            module.debug('Refreshing tab', activeTabPath);
            module.changeTab(activeTabPath);
          }
        },

        cache: {

          read: function(cacheKey) {
            return (cacheKey !== undefined)
              ? cache[cacheKey]
              : false
            ;
          },
          add: function(cacheKey, content) {
            cacheKey = cacheKey || activeTabPath;
            module.debug('Adding cached content for', cacheKey);
            cache[cacheKey] = content;
          },
          remove: function(cacheKey) {
            cacheKey = cacheKey || activeTabPath;
            module.debug('Removing cached content for', cacheKey);
            delete cache[cacheKey];
          }
        },

        escape: {
          string: function(text) {
            text =  String(text);
            return text.replace(regExp.escape, '\\$&');
          }
        },

        set: {
          auto: function() {
            var
              url = (typeof settings.path == 'string')
                ? settings.path.replace(/\/$/, '') + '/{$tab}'
                : '/{$tab}'
            ;
            module.verbose('Setting up automatic tab retrieval from server', url);
            if($.isPlainObject(settings.apiSettings)) {
              settings.apiSettings.url = url;
            }
            else {
              settings.apiSettings = {
                url: url
              };
            }
          },
          loading: function(tabPath) {
            var
              $tab      = module.get.tabElement(tabPath),
              isLoading = $tab.hasClass(className.loading)
            ;
            if(!isLoading) {
              module.verbose('Setting loading state for', $tab);
              $tab
                .addClass(className.loading)
                .siblings($tabs)
                  .removeClass(className.active + ' ' + className.loading)
              ;
              if($tab.length > 0) {
                settings.onRequest.call($tab[0], tabPath);
              }
            }
          },
          state: function(state) {
            $.address.value(state);
          }
        },

        changeTab: function(tabPath) {
          var
            pushStateAvailable = (window.history && window.history.pushState),
            shouldIgnoreLoad   = (pushStateAvailable && settings.ignoreFirstLoad && firstLoad),
            remoteContent      = (settings.auto || $.isPlainObject(settings.apiSettings) ),
            // only add default path if not remote content
            pathArray = (remoteContent && !shouldIgnoreLoad)
              ? module.utilities.pathToArray(tabPath)
              : module.get.defaultPathArray(tabPath)
          ;
          tabPath = module.utilities.arrayToPath(pathArray);
          $.each(pathArray, function(index, tab) {
            var
              currentPathArray   = pathArray.slice(0, index + 1),
              currentPath        = module.utilities.arrayToPath(currentPathArray),

              isTab              = module.is.tab(currentPath),
              isLastIndex        = (index + 1 == pathArray.length),

              $tab               = module.get.tabElement(currentPath),
              $anchor,
              nextPathArray,
              nextPath,
              isLastTab
            ;
            module.verbose('Looking for tab', tab);
            if(isTab) {
              module.verbose('Tab was found', tab);
              // scope up
              activeTabPath  = currentPath;
              parameterArray = module.utilities.filterArray(pathArray, currentPathArray);

              if(isLastIndex) {
                isLastTab = true;
              }
              else {
                nextPathArray = pathArray.slice(0, index + 2);
                nextPath      = module.utilities.arrayToPath(nextPathArray);
                isLastTab     = ( !module.is.tab(nextPath) );
                if(isLastTab) {
                  module.verbose('Tab parameters found', nextPathArray);
                }
              }
              if(isLastTab && remoteContent) {
                if(!shouldIgnoreLoad) {
                  module.activate.navigation(currentPath);
                  module.fetch.content(currentPath, tabPath);
                }
                else {
                  module.debug('Ignoring remote content on first tab load', currentPath);
                  firstLoad = false;
                  module.cache.add(tabPath, $tab.html());
                  module.activate.all(currentPath);
                  settings.onFirstLoad.call($tab[0], currentPath, parameterArray, historyEvent);
                  settings.onLoad.call($tab[0], currentPath, parameterArray, historyEvent);
                }
                return false;
              }
              else {
                module.debug('Opened local tab', currentPath);
                module.activate.all(currentPath);
                if( !module.cache.read(currentPath) ) {
                  module.cache.add(currentPath, true);
                  module.debug('First time tab loaded calling tab init');
                  settings.onFirstLoad.call($tab[0], currentPath, parameterArray, historyEvent);
                }
                settings.onLoad.call($tab[0], currentPath, parameterArray, historyEvent);
              }

            }
            else if(tabPath.search('/') == -1 && tabPath !== '') {
              // look for in page anchor
              tabPath = module.escape.string(tabPath);
              $anchor     = $('#' + tabPath + ', a[name="' + tabPath + '"]');
              currentPath = $anchor.closest('[data-tab]').data(metadata.tab);
              $tab        = module.get.tabElement(currentPath);
              // if anchor exists use parent tab
              if($anchor && $anchor.length > 0 && currentPath) {
                module.debug('Anchor link used, opening parent tab', $tab, $anchor);
                if( !$tab.hasClass(className.active) ) {
                  setTimeout(function() {
                    module.scrollTo($anchor);
                  }, 0);
                }
                module.activate.all(currentPath);
                if( !module.cache.read(currentPath) ) {
                  module.cache.add(currentPath, true);
                  module.debug('First time tab loaded calling tab init');
                  settings.onFirstLoad.call($tab[0], currentPath, parameterArray, historyEvent);
                }
                settings.onLoad.call($tab[0], currentPath, parameterArray, historyEvent);
                return false;
              }
            }
            else {
              module.error(error.missingTab, $module, $context, currentPath);
              return false;
            }
          });
        },

        scrollTo: function($element) {
          var
            scrollOffset = ($element && $element.length > 0)
              ? $element.offset().top
              : false
          ;
          if(scrollOffset !== false) {
            module.debug('Forcing scroll to an in-page link in a hidden tab', scrollOffset, $element);
            $(document).scrollTop(scrollOffset);
          }
        },

        update: {
          content: function(tabPath, html, evaluateScripts) {
            var
              $tab = module.get.tabElement(tabPath),
              tab  = $tab[0]
            ;
            evaluateScripts = (evaluateScripts !== undefined)
              ? evaluateScripts
              : settings.evaluateScripts
            ;
            if(typeof settings.cacheType == 'string' && settings.cacheType.toLowerCase() == 'dom' && typeof html !== 'string') {
              $tab
                .empty()
                .append($(html).clone(true))
              ;
            }
            else {
              if(evaluateScripts) {
                module.debug('Updating HTML and evaluating inline scripts', tabPath, html);
                $tab.html(html);
              }
              else {
                module.debug('Updating HTML', tabPath, html);
                tab.innerHTML = html;
              }
            }
          }
        },

        fetch: {

          content: function(tabPath, fullTabPath) {
            var
              $tab        = module.get.tabElement(tabPath),
              apiSettings = {
                dataType         : 'html',
                encodeParameters : false,
                on               : 'now',
                cache            : settings.alwaysRefresh,
                headers          : {
                  'X-Remote': true
                },
                onSuccess : function(response) {
                  if(settings.cacheType == 'response') {
                    module.cache.add(fullTabPath, response);
                  }
                  module.update.content(tabPath, response);
                  if(tabPath == activeTabPath) {
                    module.debug('Content loaded', tabPath);
                    module.activate.tab(tabPath);
                  }
                  else {
                    module.debug('Content loaded in background', tabPath);
                  }
                  settings.onFirstLoad.call($tab[0], tabPath, parameterArray, historyEvent);
                  settings.onLoad.call($tab[0], tabPath, parameterArray, historyEvent);

                  if(settings.loadOnce) {
                    module.cache.add(fullTabPath, true);
                  }
                  else if(typeof settings.cacheType == 'string' && settings.cacheType.toLowerCase() == 'dom' && $tab.children().length > 0) {
                    setTimeout(function() {
                      var
                        $clone = $tab.children().clone(true)
                      ;
                      $clone = $clone.not('script');
                      module.cache.add(fullTabPath, $clone);
                    }, 0);
                  }
                  else {
                    module.cache.add(fullTabPath, $tab.html());
                  }
                },
                urlData: {
                  tab: fullTabPath
                }
              },
              request         = $tab.api('get request') || false,
              existingRequest = ( request && request.state() === 'pending' ),
              requestSettings,
              cachedContent
            ;

            fullTabPath   = fullTabPath || tabPath;
            cachedContent = module.cache.read(fullTabPath);


            if(settings.cache && cachedContent) {
              module.activate.tab(tabPath);
              module.debug('Adding cached content', fullTabPath);
              if(!settings.loadOnce) {
                if(settings.evaluateScripts == 'once') {
                  module.update.content(tabPath, cachedContent, false);
                }
                else {
                  module.update.content(tabPath, cachedContent);
                }
              }
              settings.onLoad.call($tab[0], tabPath, parameterArray, historyEvent);
            }
            else if(existingRequest) {
              module.set.loading(tabPath);
              module.debug('Content is already loading', fullTabPath);
            }
            else if($.api !== undefined) {
              requestSettings = $.extend(true, {}, settings.apiSettings, apiSettings);
              module.debug('Retrieving remote content', fullTabPath, requestSettings);
              module.set.loading(tabPath);
              $tab.api(requestSettings);
            }
            else {
              module.error(error.api);
            }
          }
        },

        activate: {
          all: function(tabPath) {
            module.activate.tab(tabPath);
            module.activate.navigation(tabPath);
          },
          tab: function(tabPath) {
            var
              $tab          = module.get.tabElement(tabPath),
              $deactiveTabs = (settings.deactivate == 'siblings')
                ? $tab.siblings($tabs)
                : $tabs.not($tab),
              isActive      = $tab.hasClass(className.active)
            ;
            module.verbose('Showing tab content for', $tab);
            if(!isActive) {
              $tab
                .addClass(className.active)
              ;
              $deactiveTabs
                .removeClass(className.active + ' ' + className.loading)
              ;
              if($tab.length > 0) {
                settings.onVisible.call($tab[0], tabPath);
              }
            }
          },
          navigation: function(tabPath) {
            var
              $navigation         = module.get.navElement(tabPath),
              $deactiveNavigation = (settings.deactivate == 'siblings')
                ? $navigation.siblings($allModules)
                : $allModules.not($navigation),
              isActive    = $navigation.hasClass(className.active)
            ;
            module.verbose('Activating tab navigation for', $navigation, tabPath);
            if(!isActive) {
              $navigation
                .addClass(className.active)
              ;
              $deactiveNavigation
                .removeClass(className.active + ' ' + className.loading)
              ;
            }
          }
        },

        deactivate: {
          all: function() {
            module.deactivate.navigation();
            module.deactivate.tabs();
          },
          navigation: function() {
            $allModules
              .removeClass(className.active)
            ;
          },
          tabs: function() {
            $tabs
              .removeClass(className.active + ' ' + className.loading)
            ;
          }
        },

        is: {
          tab: function(tabName) {
            return (tabName !== undefined)
              ? ( module.get.tabElement(tabName).length > 0 )
              : false
            ;
          }
        },

        get: {
          initialPath: function() {
            return $allModules.eq(0).data(metadata.tab) || $tabs.eq(0).data(metadata.tab);
          },
          path: function() {
            return $.address.value();
          },
          // adds default tabs to tab path
          defaultPathArray: function(tabPath) {
            return module.utilities.pathToArray( module.get.defaultPath(tabPath) );
          },
          defaultPath: function(tabPath) {
            var
              $defaultNav = $allModules.filter('[data-' + metadata.tab + '^="' + module.escape.string(tabPath) + '/"]').eq(0),
              defaultTab  = $defaultNav.data(metadata.tab) || false
            ;
            if( defaultTab ) {
              module.debug('Found default tab', defaultTab);
              if(recursionDepth < settings.maxDepth) {
                recursionDepth++;
                return module.get.defaultPath(defaultTab);
              }
              module.error(error.recursion);
            }
            else {
              module.debug('No default tabs found for', tabPath, $tabs);
            }
            recursionDepth = 0;
            return tabPath;
          },
          navElement: function(tabPath) {
            tabPath = tabPath || activeTabPath;
            return $allModules.filter('[data-' + metadata.tab + '="' + module.escape.string(tabPath) + '"]');
          },
          tabElement: function(tabPath) {
            var
              $fullPathTab,
              $simplePathTab,
              tabPathArray,
              lastTab
            ;
            tabPath        = tabPath || activeTabPath;
            tabPathArray   = module.utilities.pathToArray(tabPath);
            lastTab        = module.utilities.last(tabPathArray);
            $fullPathTab   = $tabs.filter('[data-' + metadata.tab + '="' + module.escape.string(tabPath) + '"]');
            $simplePathTab = $tabs.filter('[data-' + metadata.tab + '="' + module.escape.string(lastTab) + '"]');
            return ($fullPathTab.length > 0)
              ? $fullPathTab
              : $simplePathTab
            ;
          },
          tab: function() {
            return activeTabPath;
          }
        },

        determine: {
          activeTab: function() {
            var activeTab = null;

            $tabs.each(function(_index, tab) {
              var $tab = $(tab);

              if( $tab.hasClass(className.active) ) {
                var
                  tabPath = $(this).data(metadata.tab),
                  $anchor = $allModules.filter('[data-' + metadata.tab + '="' + module.escape.string(tabPath) + '"]')
                ;

                if( $anchor.hasClass(className.active) ) {
                  activeTab = tabPath;
                }
              }
            });

            return activeTab;
          }
        },

        utilities: {
          filterArray: function(keepArray, removeArray) {
            return $.grep(keepArray, function(keepValue) {
              return ( $.inArray(keepValue, removeArray) == -1);
            });
          },
          last: function(array) {
            return Array.isArray(array)
              ? array[ array.length - 1]
              : false
            ;
          },
          pathToArray: function(pathName) {
            if(pathName === undefined) {
              pathName = activeTabPath;
            }
            return typeof pathName == 'string'
              ? pathName.split('/')
              : [pathName]
            ;
          },
          arrayToPath: function(pathArray) {
            return Array.isArray(pathArray)
              ? pathArray.join('/')
              : false
            ;
          }
        },

        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(Array.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
    : this
  ;

};

// shortcut for tabbed content with no defined navigation
$.tab = function() {
  $(window).tab.apply(this, arguments);
};

$.fn.tab.settings = {

  name            : 'Tab',
  namespace       : 'tab',

  silent          : false,
  debug           : false,
  verbose         : false,
  performance     : true,

  auto            : false,      // uses pjax style endpoints fetching content from same url with remote-content headers
  history         : false,      // use browser history
  historyType     : 'hash',     // #/ or html5 state
  path            : false,      // base path of url

  context         : false,      // specify a context that tabs must appear inside
  childrenOnly    : false,      // use only tabs that are children of context
  maxDepth        : 25,         // max depth a tab can be nested

  deactivate      : 'siblings', // whether tabs should deactivate sibling menu elements or all elements initialized together

  alwaysRefresh   : false,      // load tab content new every tab click
  cache           : true,       // cache the content requests to pull locally
  loadOnce        : false,      // Whether tab data should only be loaded once when using remote content
  cacheType       : 'response', // Whether to cache exact response, or to html cache contents after scripts execute
  ignoreFirstLoad : false,      // don't load remote content on first load

  apiSettings     : false,      // settings for api call
  evaluateScripts : 'once',     // whether inline scripts should be parsed (true/false/once). Once will not re-evaluate on cached content
  autoTabActivation: true,      // whether a non existing active tab will auto activate the first available tab

  onFirstLoad : function(tabPath, parameterArray, historyEvent) {}, // called first time loaded
  onLoad      : function(tabPath, parameterArray, historyEvent) {}, // called on every load
  onVisible   : function(tabPath, parameterArray, historyEvent) {}, // called every time tab visible
  onRequest   : function(tabPath, parameterArray, historyEvent) {}, // called ever time a tab beings loading remote content

  templates : {
    determineTitle: function(tabArray) {} // returns page title for path
  },

  error: {
    api        : 'You attempted to load content without API module',
    method     : 'The method you called is not defined',
    missingTab : 'Activated tab cannot be found. Tabs are case-sensitive.',
    noContent  : 'The tab you specified is missing a content url.',
    path       : 'History enabled, but no path was specified',
    recursion  : 'Max recursive depth reached',
    legacyInit : 'onTabInit has been renamed to onFirstLoad in 2.0, please adjust your code.',
    legacyLoad : 'onTabLoad has been renamed to onLoad in 2.0. Please adjust your code',
    state      : 'History requires Asual\'s Address library <https://github.com/asual/jquery-address>'
  },

  regExp : {
    escape   : /[-[\]{}()*+?.,\\^$|#\s:=@]/g
  },

  metadata : {
    tab    : 'tab',
    loaded : 'loaded',
    promise: 'promise'
  },

  className   : {
    loading : 'loading',
    active  : 'active'
  },

  selector    : {
    tabs : '.ui.tab',
    ui   : '.ui'
  }

};

})( jQuery, window, document );