text: /*!
   * # Semantic UI x.x - Form Validation
   * http://github.com/semantic-org/semantic-ui/
   *
   *
   * Copyright 2015 Contributors
   * Released under the MIT license
   * http://opensource.org/licenses/MIT
   *
   */
  
  ;(function ( $, window, document, undefined ) {
  
  "use strict";
  
  $.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,
          error,
  
          namespace,
          moduleNamespace,
          eventNamespace,
  
          instance,
          module
        ;
  
        module      = {
  
          initialize: function() {
  
            // settings grabbed at run time
            module.get.settings();
            if(methodInvoked) {
              if(instance === undefined) {
                module.instantiate();
              }
              module.invoke(query);
            }
            else {
              module.verbose('Initializing form validation', $module, settings);
              module.bindEvents();
              module.set.defaults();
              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);
            $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() {
                var
                  $input     = $(this),
                  type       = $input.prop('type'),
                  inputEvent = module.get.changeEvent(type, $input)
                ;
                $(this)
                  .on(inputEvent + eventNamespace, module.event.field.change)
                ;
              })
            ;
          },
  
          clear: function() {
            $field
              .each(function () {
                var
                  $field       = $(this),
                  $element     = $field.parent(),
                  $fieldGroup  = $field.closest($group),
                  $prompt      = $fieldGroup.find(selector.prompt),
                  defaultValue = $field.data(metadata.defaultValue) || '',
                  isCheckbox   = $element.is(selector.uiCheckbox),
                  isDropdown   = $element.is(selector.uiDropdown),
                  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');
                }
                else if(isCheckbox) {
                  $field.prop('checked', false);
                }
                else {
                  module.verbose('Resetting field value', $field, defaultValue);
                  $field.val('');
                }
              })
            ;
          },
  
          reset: function() {
            $field
              .each(function () {
                var
                  $field       = $(this),
                  $element     = $field.parent(),
                  $fieldGroup  = $field.closest($group),
                  $prompt      = $fieldGroup.find(selector.prompt),
                  defaultValue = $field.data(metadata.defaultValue),
                  isCheckbox   = $element.is(selector.uiCheckbox),
                  isDropdown   = $element.is(selector.uiDropdown),
                  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');
                }
                else if(isCheckbox) {
                  module.verbose('Resetting checkbox value', $element, defaultValue);
                  $field.prop('checked', defaultValue);
                }
                else {
                  module.verbose('Resetting field value', $field, defaultValue);
                  $field.val(defaultValue);
                }
              })
            ;
          },
  
          is: {
            valid: function() {
              var
                allValid = true
              ;
              module.verbose('Checking if form is valid');
              $.each(validation, function(fieldName, field) {
                if( !( module.validate.field(field) ) ) {
                  allValid = false;
                }
              });
              return allValid;
            }
          },
  
          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,
                  keyCode = {
                    enter  : 13,
                    escape : 27
                  }
                ;
                if( key == keyCode.escape) {
                  module.verbose('Escape key pressed blurring field');
                  $field
                    .blur()
                  ;
                }
                if(!event.ctrlKey && key == keyCode.enter && $field.is(selector.input) && $field.not(selector.checkbox).length > 0 ) {
                  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() {
                var
                  $field          = $(this),
                  $fieldGroup     = $field.closest($group),
                  validationRules = module.get.validation($field)
                ;
                if( $fieldGroup.hasClass(className.error) ) {
                  module.debug('Revalidating field', $field, validationRules);
                  module.validate.field( validationRules );
                }
                else if(settings.on == 'blur' || settings.on == 'change') {
                  module.validate.field( validationRules );
                }
              },
              change: function() {
                var
                  $field      = $(this),
                  $fieldGroup = $field.closest($group)
                ;
                if(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( module.get.validation($field) );
                  }, settings.delay);
                }
              }
            }
  
          },
  
          get: {
            changeEvent: function(type, $input) {
              if(type == 'checkbox' || type == 'radio' || type == 'hidden' || $input.is('select')) {
                return 'change';
              }
              else {
                return module.get.inputEvent();
              }
            },
            inputEvent: function() {
              return (document.createElement('input').oninput !== undefined)
                ? 'input'
                : (document.createElement('input').onpropertychange !== undefined)
                  ? 'propertychange'
                  : 'keyup'
              ;
            },
            settings: function() {
              var
                firstProperty
              ;
              if($.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
                  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;
              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);
              if( $field.filter('#' + identifier).length > 0 ) {
                return $field.filter('#' + identifier);
              }
              else if( $field.filter('[name="' + identifier +'"]').length > 0 ) {
                return $field.filter('[name="' + identifier +'"]');
              }
              else if( $field.filter('[name="' + identifier +'[]"]').length > 0 ) {
                return $field.filter('[name="' + identifier +'[]"]');
              }
              else if( $field.filter('[data-' + metadata.validate + '="'+ identifier +'"]').length > 0 ) {
                return $field.filter('[data-' + metadata.validate + '="'+ identifier +'"]');
              }
              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
                rules
              ;
              if(!validation) {
                return false;
              }
              $.each(validation, function(fieldName, field) {
                if( module.get.field(field.identifier)[0] == $field[0] ) {
                  rules = field;
                }
              });
              return rules || 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 = $.isArray(fields)
                  ? module.get.fields(fields)
                  : $field,
                values = {}
              ;
              $fields.each(function(index, field) {
                var
                  $field     = $(field),
                  type       = $field.prop('type'),
                  name       = $field.prop('name'),
                  value      = $field.val(),
                  isCheckbox = $field.is(selector.checkbox),
                  isRadio    = $field.is(selector.radio),
                  isMultiple = (name.indexOf('[]') !== -1),
                  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);
                      }
                      else {
                        module.debug('Omitted unchecked checkbox', $field);
                        return true;
                      }
                    }
                    else {
                      values[name].push(value);
                    }
                  }
                  else {
                    if(isRadio) {
                      if(isChecked) {
                        values[name] = value;
                      }
                    }
                    else if(isCheckbox) {
                      if(isChecked) {
                        values[name] = true;
                      }
                      else {
                        module.debug('Omitted unchecked checkbox', $field);
                        return true;
                      }
                    }
                    else {
                      values[name] = value;
                    }
                  }
                }
              });
              return values;
            }
          },
  
          has: {
  
            field: function(identifier) {
              module.verbose('Checking for existence of a field with identifier', 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;
            }
  
          },
  
          add: {
            prompt: function(identifier, errors) {
              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);
              $fieldGroup
                .addClass(className.error)
              ;
              if(settings.inline) {
                if(!promptExists) {
                  $prompt = settings.templates.prompt(errors);
                  $prompt
                    .appendTo($fieldGroup)
                  ;
                }
                $prompt
                  .html(errors[0])
                ;
                if(!promptExists) {
                  if(settings.transition && $.fn.transition !== undefined && $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);
              $message
                .html( settings.templates.error(errors) )
              ;
            }
          },
  
          remove: {
            prompt: function(field) {
              var
                $field      = module.get.field(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', field);
                if(settings.transition && $.fn.transition !== undefined && $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 () {
                  var
                    $field     = $(this),
                    isCheckbox = ($field.filter(selector.checkbox).length > 0),
                    value      = (isCheckbox)
                      ? $field.is(':checked')
                      : $field.val()
                  ;
                  $field.data(metadata.defaultValue, value);
                })
              ;
            },
            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(),
                  isMultiple  = $.isArray(value),
                  isCheckbox  = $element.is(selector.uiCheckbox),
                  isDropdown  = $element.is(selector.uiDropdown),
                  isRadio     = ($field.is(selector.radio) && isCheckbox),
                  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) {
                      $element.checkbox('check');
                    }
                    else {
                      $element.checkbox('uncheck');
                    }
                  }
                  else if(isDropdown) {
                    module.verbose('Setting dropdown value', value, $element);
                    $element.dropdown('set selected', value);
                  }
                  else {
                    module.verbose('Setting field value', value, $field);
                    $field.val(value);
                  }
                }
              });
            }
          },
  
          validate: {
  
            form: function(event) {
              var
                apiRequest
              ;
  
              // input keydown event will fire submit repeatedly by browser default
              if(keyHeldDown) {
                return false;
              }
  
              // reset errors
              formErrors = [];
              if( module.is.valid() ) {
                module.debug('Form has no validation errors, submitting');
                module.set.success();
                return settings.onSuccess.call(element, event);
              }
              else {
                module.debug('Form has errors');
                module.set.error();
                if(!settings.inline) {
                  module.add.errors(formErrors);
                }
                // prevent ajax submit
                if($module.data('moduleApi') !== undefined) {
                  event.stopImmediatePropagation();
                }
                return settings.onFailure.call(element, formErrors);
              }
            },
  
            // takes a validation object and returns whether field passes validation
            field: function(field) {
              var
                $field      = module.get.field(field.identifier),
                fieldValid  = true,
                fieldErrors = []
              ;
              if($field.prop('disabled')) {
                module.debug('Field is disabled. Skipping', field.identifier);
                fieldValid = true;
              }
              else if(field.optional && $.trim($field.val()) === ''){
                module.debug('Field is optional and empty. Skipping', field.identifier);
                fieldValid = true;
              }
              else if(field.rules !== undefined) {
                $.each(field.rules, function(index, rule) {
                  if( module.has.field(field.identifier) && !( module.validate.rule(field, rule) ) ) {
                    module.debug('Field is invalid', field.identifier, rule.type);
                    fieldErrors.push(rule.prompt);
                    fieldValid = false;
                  }
                });
              }
              if(fieldValid) {
                module.remove.prompt(field, fieldErrors);
                settings.onValid.call($field);
              }
              else {
                formErrors = formErrors.concat(fieldErrors);
                module.add.prompt(field.identifier, fieldErrors);
                settings.onInvalid.call($field, fieldErrors);
                return false;
              }
              return true;
            },
  
            // takes validation rule and returns whether field passes rule
            rule: function(field, validation) {
              var
                $field        = module.get.field(field.identifier),
                type          = validation.type,
                value         = $field.val(),
                bracket       = type.match(settings.regExp.bracket),
                isValid       = true,
                rule,
                ancillary,
                functionType
              ;
              // cast to string avoiding encoding special values
              value = (value === undefined || value === '' || value === null)
                ? ''
                : $.trim(value + '')
              ;
              // if bracket notation is used, pass in extra parameters
              if(bracket) {
                ancillary    = '' + bracket[1];
                functionType = type.replace(bracket[0], '');
                rule         = settings.rules[functionType];
                if( !$.isFunction(rule) ) {
                  module.error(error.noRule, functionType);
                  return;
                }
                isValid = rule.call($field, value, ancillary);
              }
              else {
                rule = settings.rules[type];
                if( !$.isFunction(rule) ) {
                  module.error(error.noRule, type);
                  return;
                }
                isValid = rule.call($field, value);
              }
              return isValid;
            }
          },
  
          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.debug) {
              if(settings.performance) {
                module.performance.log(arguments);
              }
              else {
                module.debug = Function.prototype.bind.call(console.info, console, settings.name + ':');
                module.debug.apply(console, arguments);
              }
            }
          },
          verbose: function() {
            if(settings.verbose && settings.debug) {
              if(settings.performance) {
                module.performance.log(arguments);
              }
              else {
                module.verbose = Function.prototype.bind.call(console.info, console, settings.name + ':');
                module.verbose.apply(console, arguments);
              }
            }
          },
          error: function() {
            module.error = Function.prototype.bind.call(console.error, console, settings.name + ':');
            module.error.apply(console, arguments);
          },
          performance: {
            log: function(message) {
              var
                currentTime,
                executionTime,
                previousTime
              ;
              if(settings.performance) {
                currentTime   = new Date().getTime();
                previousTime  = time || currentTime;
                executionTime = currentTime - previousTime;
                time          = currentTime;
                performance.push({
                  'Name'           : message[0],
                  'Arguments'      : [].slice.call(message, 1) || '',
                  'Element'        : element,
                  'Execution Time' : executionTime
                });
              }
              clearTimeout(module.performance.timer);
              module.performance.timer = setTimeout(module.performance.display, 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( $.isFunction( found ) ) {
              response = found.apply(context, passedArguments);
            }
            else if(found !== undefined) {
              response = found;
            }
            if($.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,
  
    transition        : 'scale',
    duration          : 200,
  
    onValid           : function() {},
    onInvalid         : function() {},
    onSuccess         : function() { return true; },
    onFailure         : function() { return false; },
  
    metadata : {
      defaultValue : 'default',
      validate     : 'validate'
    },
  
    regExp: {
      bracket : /\[(.*)\]/i,
      escape  : /[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g,
      email   : "[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?",
      integer : /^\-?\d+$/,
      flags   : /^\/(.*)\/(.*)?/,
      url     : /(https?:\/\/(?:www\.|(?!www))[^\s\.]+\.[^\s]{2,}|www\.[^\s]+\.[^\s]{2,})/i
    },
  
    selector : {
      checkbox   : 'input[type="checkbox"], input[type="radio"]',
      clear      : '.clear',
      field      : 'input, 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'
    },
  
    className : {
      error   : 'error',
      label   : 'ui prompt label',
      pressed : 'down',
      success : 'success'
    },
  
    error: {
      oldSyntax  : 'Starting in 2.0 forms now only take a single settings object. Validation settings converted to new syntax automatically.',
      identifier : 'You must specify a string identifier for each field',
      noRule     : 'There is no rule matching the one you specified',
      method     : 'The method you called is not defined.'
    },
  
    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) {
        return $('<div/>')
          .addClass('ui red pointing prompt label')
          .html(errors[0])
        ;
      }
    },
  
    rules: {
  
      // is not empty or blank string
      empty: function(value) {
        return !(value === undefined || '' === value || $.isArray(value) && value.length === 0);
      },
  
      // checkbox checked
      checked: function() {
        return ($(this).filter(':checked').length > 0);
      },
  
      // is most likely an email
      email: function(value){
        var
          emailRegExp = new RegExp($.fn.form.settings.regExp.email, 'i')
        ;
        return emailRegExp.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) {
        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 === undefined || range === '' || range === '..') {
          // 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 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 exactly length
      length: function(value, requiredLength) {
        return (value !== undefined)
          ? (value.length == requiredLength)
          : false
        ;
      },
  
      // is at least string length
      minLength: 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) {
        var
          $form = $(this),
          matchingValue
        ;
        if( $('[data-validate="'+ identifier +'"]').length > 0 ) {
          matchingValue = $('[data-validate="'+ identifier +'"]').val();
        }
        else if($('#' + identifier).length > 0) {
          matchingValue = $('#' + identifier).val();
        }
        else if($('[name="' + identifier +'"]').length > 0) {
          matchingValue = $('[name="' + identifier + '"]').val();
        }
        else if( $('[name="' + identifier +'[]"]').length > 0 ) {
          matchingValue = $('[name="' + identifier +'[]"]');
        }
        return (matchingValue !== undefined)
          ? ( value.toString() == matchingValue.toString() )
          : false
        ;
      },
  
      // different than another field
      different: function(value, identifier) {
        // use either id or name of field
        var
          $form = $(this),
          matchingValue
        ;
        if( $('[data-validate="'+ identifier +'"]').length > 0 ) {
          matchingValue = $('[data-validate="'+ identifier +'"]').val();
        }
        else if($('#' + identifier).length > 0) {
          matchingValue = $('#' + identifier).val();
        }
        else if($('[name="' + identifier +'"]').length > 0) {
          matchingValue = $('[name="' + identifier + '"]').val();
        }
        else if( $('[name="' + identifier +'[]"]').length > 0 ) {
          matchingValue = $('[name="' + identifier +'[]"]');
        }
        return (matchingValue !== undefined)
          ? ( value.toString() !== matchingValue.toString() )
          : false
        ;
      },
  
      exactCount: function(value, exactCount) {
        if(exactCount == 0) {
          return (value === '');
        }
        if(exactCount == 1) {
          return (value !== '' && value.search(',') === -1);
        }
        return (value.split(',').length == exactCount);
      },
  
      minCount: function(value, minCount) {
        if(minCount == 0) {
          return true;
        }
        if(minCount == 1) {
          return (value !== '');
        }
        return (value.split(',').length >= minCount);
      },
  
      maxCount: function(value, maxCount) {
        if(maxCount == 0) {
          return false;
        }
        if(maxCount == 1) {
          return (value.search(',') === -1);
        }
        return (value.split(',').length <= maxCount);
      }
    }
  
  };
  
  })( jQuery, window , document );
  