text: /*!
   * # Semantic UI - Checkbox
   * 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.checkbox = 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
    ;
  
    $allModules
      .each(function() {
        var
          settings        = $.extend(true, {}, $.fn.checkbox.settings, parameters),
  
          className       = settings.className,
          namespace       = settings.namespace,
          selector        = settings.selector,
          error           = settings.error,
  
          eventNamespace  = '.' + namespace,
          moduleNamespace = 'module-' + namespace,
  
          $module         = $(this),
          $label          = $(this).children(selector.label),
          $input          = $(this).children(selector.input),
          input           = $input[0],
  
          initialLoad     = false,
          shortcutPressed = false,
          instance        = $module.blocks(moduleNamespace),
  
          observer,
          element         = this,
          module
        ;
  
        module      = {
  
          initialize: function() {
            module.verbose('Initializing checkbox', settings);
  
            module.create.label();
            module.bind.events();
  
            module.set.tabbable();
            module.hide.input();
  
            module.observeChanges();
            module.instantiate();
            module.setup();
          },
  
          instantiate: function() {
            module.verbose('Storing instance of module', module);
            instance = module;
            $module
              .blocks(moduleNamespace, module)
            ;
          },
  
          destroy: function() {
            module.verbose('Destroying module');
            module.unbind.events();
            module.show.input();
            $module.removeData(moduleNamespace);
          },
  
          fix: {
            reference: function() {
              if( $module.is(selector.input) ) {
                module.debug('Behavior called on <input> adjusting invoked element');
                $module = $module.closest(selector.checkbox);
                module.refresh();
              }
            }
          },
  
          setup: function() {
            module.set.initialLoad();
            if( module.is.indeterminate() ) {
              module.debug('Initial value is indeterminate');
              module.indeterminate();
            }
            else if( module.is.checked() ) {
              module.debug('Initial value is checked');
              module.check();
            }
            else {
              module.debug('Initial value is unchecked');
              module.uncheck();
            }
            module.remove.initialLoad();
          },
  
          refresh: function() {
            $label = $module.children(selector.label);
            $input = $module.children(selector.input);
            input  = $input[0];
          },
  
          hide: {
            input: function() {
              module.verbose('Modfying <input> z-index to be unselectable');
              $input.addClass(className.hidden);
            }
          },
          show: {
            input: function() {
              module.verbose('Modfying <input> z-index to be selectable');
              $input.removeClass(className.hidden);
            }
          },
  
          observeChanges: function() {
            if('MutationObserver' in window) {
              observer = new MutationObserver(function(mutations) {
                module.debug('DOM tree modified, updating selector cache');
                module.refresh();
              });
              observer.observe(element, {
                childList : true,
                subtree   : true
              });
              module.debug('Setting up mutation observer', observer);
            }
          },
  
          attachEvents: function(selector, event) {
            var
              $element = $(selector)
            ;
            event = $.isFunction(module[event])
              ? module[event]
              : module.toggle
            ;
            if($element.length > 0) {
              module.debug('Attaching checkbox events to element', selector, event);
              $element
                .on('click' + eventNamespace, event)
              ;
            }
            else {
              module.error(error.notFound);
            }
          },
  
          event: {
            click: function(event) {
              var
                $target = $(event.target)
              ;
              if( $target.is(selector.input) ) {
                module.verbose('Using default check action on initialized checkbox');
                return;
              }
              if( $target.is(selector.link) ) {
                module.debug('Clicking link inside checkbox, skipping toggle');
                return;
              }
              module.toggle();
              $input.focus();
              event.preventDefault();
            },
            keydown: function(event) {
              var
                key     = event.which,
                keyCode = {
                  enter  : 13,
                  space  : 32,
                  escape : 27
                }
              ;
              if(key == keyCode.escape) {
                module.verbose('Escape key pressed blurring field');
                $input.blur();
                shortcutPressed = true;
              }
              else if(!event.ctrlKey && ( key == keyCode.space || key == keyCode.enter) ) {
                module.verbose('Enter/space key pressed, toggling checkbox');
                module.toggle();
                shortcutPressed = true;
              }
              else {
                shortcutPressed = false;
              }
            },
            keyup: function(event) {
              if(shortcutPressed) {
                event.preventDefault();
              }
            }
          },
  
          check: function() {
            if( !module.should.allowCheck() ) {
              return;
            }
            module.debug('Checking checkbox', $input);
            module.set.checked();
            if( !module.should.ignoreCallbacks() ) {
              settings.onChecked.call(input);
              settings.onChange.call(input);
            }
          },
  
          uncheck: function() {
            if( !module.should.allowUncheck() ) {
              return;
            }
            module.debug('Unchecking checkbox');
            module.set.unchecked();
            if( !module.should.ignoreCallbacks() ) {
              settings.onUnchecked.call(input);
              settings.onChange.call(input);
            }
          },
  
          indeterminate: function() {
            if( module.should.allowIndeterminate() ) {
              module.debug('Checkbox is already indeterminate');
              return;
            }
            module.debug('Making checkbox indeterminate');
            module.set.indeterminate();
            if( !module.should.ignoreCallbacks() ) {
              settings.onIndeterminate.call(input);
              settings.onChange.call(input);
            }
          },
  
          determinate: function() {
            if( module.should.allowDeterminate() ) {
              module.debug('Checkbox is already determinate');
              return;
            }
            module.debug('Making checkbox determinate');
            module.set.determinate();
            if( !module.should.ignoreCallbacks() ) {
              settings.onDeterminate.call(input);
              settings.onChange.call(input);
            }
          },
  
          enable: function() {
            if( module.is.enabled() ) {
              module.debug('Checkbox is already enabled');
              return;
            }
            module.debug('Enabling checkbox');
            module.set.enabled();
            settings.onEnabled.call(input);
          },
  
          disable: function() {
            if( module.is.disabled() ) {
              module.debug('Checkbox is already disabled');
              return;
            }
            module.debug('Disabling checkbox');
            module.set.disabled();
            settings.onDisabled.call(input);
          },
  
          get: {
            radios: function() {
              var
                name = module.get.name()
              ;
              return $('input[name="' + name + '"]').closest(selector.checkbox);
            },
            otherRadios: function() {
              return module.get.radios().not($module);
            },
            name: function() {
              return $input.attr('name');
            }
          },
  
          is: {
            initialLoad: function() {
              return initialLoad;
            },
            radio: function() {
              return ($input.hasClass(className.radio) || $input.attr('type') == 'radio');
            },
            indeterminate: function() {
              return $input.prop('indeterminate') !== undefined && $input.prop('indeterminate');
            },
            checked: function() {
              return $input.prop('checked') !== undefined && $input.prop('checked');
            },
            disabled: function() {
              return $input.prop('disabled') !== undefined && $input.prop('disabled');
            },
            enabled: function() {
              return !module.is.disabled();
            },
            determinate: function() {
              return !module.is.indeterminate();
            },
            unchecked: function() {
              return !module.is.checked();
            }
          },
  
          should: {
            allowCheck: function() {
              if(module.is.determinate() && module.is.checked() && !module.should.forceCallbacks() ) {
                module.debug('Should not allow check, checkbox is already checked');
                return false;
              }
              if(settings.beforeChecked.apply(input) === false) {
                module.debug('Should not allow check, beforeChecked cancelled');
                return false;
              }
              return true;
            },
            allowUncheck: function() {
              if(module.is.determinate() && module.is.unchecked() && !module.should.forceCallbacks() ) {
                module.debug('Should not allow uncheck, checkbox is already unchecked');
                return false;
              }
              if(settings.beforeUnchecked.apply(input) === false) {
                module.debug('Should not allow uncheck, beforeUnchecked cancelled');
                return false;
              }
              return true;
            },
            allowIndeterminate: function() {
              if(module.is.indeterminate() && !module.should.forceCallbacks() ) {
                module.debug('Should not allow indeterminate, checkbox is already indeterminate');
                return false;
              }
              if(settings.beforeIndeterminate.apply(input) === false) {
                module.debug('Should not allow indeterminate, beforeIndeterminate cancelled');
                return false;
              }
              return true;
            },
            allowDeterminate: function() {
              if(module.is.determinate() && !module.should.forceCallbacks() ) {
                module.debug('Should not allow determinate, checkbox is already determinate');
                return false;
              }
              if(settings.beforeDeterminate.apply(input) === false) {
                module.debug('Should not allow determinate, beforeDeterminate cancelled');
                return false;
              }
              return true;
            },
            forceCallbacks: function() {
              return (module.is.initialLoad() && settings.fireOnInit);
            },
            ignoreCallbacks: function() {
              return (initialLoad && !settings.fireOnInit);
            }
          },
  
          can: {
            change: function() {
              return !( $module.hasClass(className.disabled) || $module.hasClass(className.readOnly) || $input.prop('disabled') || $input.prop('readonly') );
            },
            uncheck: function() {
              return (typeof settings.uncheckable === 'boolean')
                ? settings.uncheckable
                : !module.is.radio()
              ;
            }
          },
  
          set: {
            initialLoad: function() {
              initialLoad = true;
            },
            checked: function() {
              module.verbose('Setting class to checked');
              $module
                .removeClass(className.indeterminate)
                .addClass(className.checked)
              ;
              if( module.is.radio() ) {
                module.uncheckOthers();
              }
              if(!module.is.indeterminate() && module.is.checked()) {
                module.debug('Input is already checked, skipping input property change');
                return;
              }
              module.verbose('Setting state to checked', input);
              $input
                .prop('indeterminate', false)
                .prop('checked', true)
              ;
              module.trigger.change();
            },
            unchecked: function() {
              module.verbose('Removing checked class');
              $module
                .removeClass(className.indeterminate)
                .removeClass(className.checked)
              ;
              if(!module.is.indeterminate() &&  module.is.unchecked() ) {
                module.debug('Input is already unchecked');
                return;
              }
              module.debug('Setting state to unchecked');
              $input
                .prop('indeterminate', false)
                .prop('checked', false)
              ;
              module.trigger.change();
            },
            indeterminate: function() {
              module.verbose('Setting class to indeterminate');
              $module
                .addClass(className.indeterminate)
              ;
              if( module.is.indeterminate() ) {
                module.debug('Input is already indeterminate, skipping input property change');
                return;
              }
              module.debug('Setting state to indeterminate');
              $input
                .prop('indeterminate', true)
              ;
              module.trigger.change();
            },
            determinate: function() {
              module.verbose('Removing indeterminate class');
              $module
                .removeClass(className.indeterminate)
              ;
              if( module.is.determinate() ) {
                module.debug('Input is already determinate, skipping input property change');
                return;
              }
              module.debug('Setting state to determinate');
              $input
                .prop('indeterminate', false)
              ;
            },
            disabled: function() {
              module.verbose('Setting class to disabled');
              $module
                .addClass(className.disabled)
              ;
              if( module.is.disabled() ) {
                module.debug('Input is already disabled, skipping input property change');
                return;
              }
              module.debug('Setting state to disabled');
              $input
                .prop('disabled', 'disabled')
              ;
              module.trigger.change();
            },
            enabled: function() {
              module.verbose('Removing disabled class');
              $module.removeClass(className.disabled);
              if( module.is.enabled() ) {
                module.debug('Input is already enabled, skipping input property change');
                return;
              }
              module.debug('Setting state to enabled');
              $input
                .prop('disabled', false)
              ;
              module.trigger.change();
            },
            tabbable: function() {
              module.verbose('Adding tabindex to checkbox');
              if( $input.attr('tabindex') === undefined) {
                $input.attr('tabindex', 0);
              }
            }
          },
  
          remove: {
            initialLoad: function() {
              initialLoad = false;
            }
          },
  
          trigger: {
            change: function() {
              var
                events       = document.createEvent('HTMLEvents'),
                inputElement = $input[0]
              ;
              if(inputElement) {
                module.verbose('Triggering native change event');
                events.initEvent('change', true, false);
                inputElement.dispatchEvent(events);
              }
            }
          },
  
  
          create: {
            label: function() {
              if($input.prevAll(selector.label).length > 0) {
                $input.prev(selector.label).detach().insertAfter($input);
                module.debug('Moving existing label', $label);
              }
              else if( !module.has.label() ) {
                $label = $('<label>').insertAfter($input);
                module.debug('Creating label', $label);
              }
            }
          },
  
          has: {
            label: function() {
              return ($label.length > 0);
            }
          },
  
          bind: {
            events: function() {
              module.verbose('Attaching checkbox events');
              $module
                .on('click'   + eventNamespace, module.event.click)
                .on('keydown' + eventNamespace, selector.input, module.event.keydown)
                .on('keyup'   + eventNamespace, selector.input, module.event.keyup)
              ;
            }
          },
  
          unbind: {
            events: function() {
              module.debug('Removing events');
              $module
                .off(eventNamespace)
              ;
            }
          },
  
          uncheckOthers: function() {
            var
              $radios = module.get.otherRadios()
            ;
            module.debug('Unchecking other radios', $radios);
            $radios.removeClass(className.checked);
          },
  
          toggle: function() {
            if( !module.can.change() ) {
              if(!module.is.radio()) {
                module.debug('Checkbox is read-only or disabled, ignoring toggle');
              }
              return;
            }
            if( module.is.indeterminate() || module.is.unchecked() ) {
              module.debug('Currently unchecked');
              module.check();
            }
            else if( module.is.checked() && module.can.uncheck() ) {
              module.debug('Currently checked');
              module.uncheck();
            }
          },
          setting: function(name, value) {
            module.debug('Changing setting', 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( (console.group !== undefined || console.table !== undefined) && performance.length > 0) {
                console.groupCollapsed(title);
                if(console.table) {
                  console.table(performance);
                }
                else {
                  $.each(performance, function(index, data) {
                    console.log(data['Name'] + ': ' + data['Execution Time']+'ms');
                  });
                }
                console.groupEnd();
              }
              performance = [];
            }
          },
          invoke: function(query, passedArguments, context) {
            var
              object = instance,
              maxDepth,
              found,
              response
            ;
            passedArguments = passedArguments || queryArguments;
            context         = element         || context;
            if(typeof query == 'string' && object !== undefined) {
              query    = query.split(/[\. ]/);
              maxDepth = query.length - 1;
              $.each(query, function(depth, value) {
                var camelCaseValue = (depth != maxDepth)
                  ? value + query[depth + 1].charAt(0).toUpperCase() + query[depth + 1].slice(1)
                  : query
                ;
                if( $.isPlainObject( object[camelCaseValue] ) && (depth != maxDepth) ) {
                  object = object[camelCaseValue];
                }
                else if( object[camelCaseValue] !== undefined ) {
                  found = object[camelCaseValue];
                  return false;
                }
                else if( $.isPlainObject( object[value] ) && (depth != maxDepth) ) {
                  object = object[value];
                }
                else if( object[value] !== undefined ) {
                  found = object[value];
                  return false;
                }
                else {
                  module.error(error.method, query);
                  return false;
                }
              });
            }
            if ( $.isFunction( found ) ) {
              response = found.apply(context, passedArguments);
            }
            else if(found !== undefined) {
              response = found;
            }
            if($.isArray(returnedValue)) {
              returnedValue.push(response);
            }
            else if(returnedValue !== undefined) {
              returnedValue = [returnedValue, response];
            }
            else if(response !== undefined) {
              returnedValue = response;
            }
            return found;
          }
        };
  
        if(methodInvoked) {
          if(instance === undefined) {
            module.initialize();
          }
          module.invoke(query);
        }
        else {
          if(instance !== undefined) {
            instance.invoke('destroy');
          }
          module.initialize();
        }
      })
    ;
  
    return (returnedValue !== undefined)
      ? returnedValue
      : this
    ;
  };
  
  $.fn.checkbox.settings = {
  
    name                : 'Checkbox',
    namespace           : 'checkbox',
  
    debug               : false,
    verbose             : true,
    performance         : true,
  
    // delegated event context
    uncheckable         : 'auto',
    fireOnInit          : false,
  
    onChange            : function(){},
  
    beforeChecked       : function(){},
    beforeUnchecked     : function(){},
    beforeDeterminate   : function(){},
    beforeIndeterminate : function(){},
  
    onChecked           : function(){},
    onUnchecked         : function(){},
  
    onDeterminate       : function() {},
    onIndeterminate     : function() {},
  
    onEnable            : function(){},
    onDisable           : function(){},
  
    className       : {
      checked       : 'checked',
      indeterminate : 'indeterminate',
      disabled      : 'disabled',
      hidden        : 'hidden',
      radio         : 'radio',
      readOnly      : 'read-only'
    },
  
    error     : {
      method       : 'The method you called is not defined'
    },
  
    selector : {
      checkbox : '.ui.checkbox',
      label    : 'label, .box',
      input    : 'input[type="checkbox"], input[type="radio"]',
      link     : 'a[href]'
    }
  
  };
  
  })( jQuery, window, document );
  