/*! * # Semantic UI 2.0.0 - 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), instance = $module.data(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 .data(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 = $module.closest(selector.checkbox); module.refresh(); } } }, setup: function() { if( module.is.indeterminate() ) { module.debug('Initial value is indeterminate'); module.set.indeterminate(); if(settings.fireOnInit) { settings.onIndeterminate.call($input[0]); settings.onChange.call($input[0]); } } else if( module.is.checked() ) { module.debug('Initial value is checked'); module.set.checked(); if(settings.fireOnInit) { settings.onChecked.call($input[0]); settings.onChange.call($input[0]); } } else { module.debug('Initial value is unchecked'); module.set.unchecked(); if(settings.fireOnInit) { settings.onUnchecked.call($input[0]); settings.onChange.call($input[0]); } } }, refresh: function() { $label = $module.children(selector.label); $input = $module.children(selector.input); }, 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) { if( $(event.target).is(selector.input) ) { module.verbose('Using default check action on initialized checkbox'); return; } module.toggle(); }, 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(); event.preventDefault(); } if(!event.ctrlKey && (key == keyCode.enter || key == keyCode.space)) { module.verbose('Enter key pressed, toggling checkbox'); module.toggle(); event.preventDefault(); } } }, check: function() { if( !module.is.indeterminate() && module.is.checked() ) { module.debug('Checkbox is already checked'); return; } module.debug('Checking checkbox', $input); module.set.checked(); settings.onChecked.call($input[0]); settings.onChange.call($input[0]); }, uncheck: function() { if( !module.is.indeterminate() && module.is.unchecked() ) { module.debug('Checkbox is already unchecked'); return; } module.debug('Unchecking checkbox'); module.set.unchecked(); settings.onUnchecked.call($input[0]); settings.onChange.call($input[0]); }, indeterminate: function() { if( module.is.indeterminate() ) { module.debug('Checkbox is already indeterminate'); return; } module.debug('Making checkbox indeterminate'); module.set.indeterminate(); settings.onIndeterminate.call($input[0]); settings.onChange.call($input[0]); }, determinate: function() { if( module.is.determinate() ) { module.debug('Checkbox is already determinate'); return; } module.debug('Making checkbox determinate'); module.set.determinate(); settings.onDeterminate.call($input[0]); settings.onChange.call($input[0]); }, enable: function() { if( module.is.enabled() ) { module.debug('Checkbox is already enabled'); return; } module.debug('Enabling checkbox'); module.set.enabled(); settings.onEnable.call($input[0]); }, disable: function() { if( module.is.disabled() ) { module.debug('Checkbox is already disabled'); return; } module.debug('Disabling checkbox'); module.set.disabled(); settings.onDisable.call($input[0]); }, get: { radios: function() { var name = module.get.name() ; return $('input[name="' + name + '"]').closest(selector.checkbox); }, name: function() { return $input.attr('name'); } }, is: { radio: function() { return ($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(); } }, 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: { checked: function() { if(!module.is.indeterminate() && module.is.checked()) { module.debug('Input is already checked'); return; } module.verbose('Setting state to checked', $input[0]); if( module.is.radio() ) { module.uncheckOthers(); } $input .prop('indeterminate', false) .prop('checked', true) ; $module .removeClass(className.indeterminate) .addClass(className.checked) ; module.trigger.change(); }, unchecked: function() { 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 .removeClass(className.indeterminate) .removeClass(className.checked) ; module.trigger.change(); }, indeterminate: function() { if( module.is.indeterminate() ) { module.debug('Input is already indeterminate'); return; } module.debug('Setting state to indeterminate'); $input .prop('indeterminate', true) ; $module .addClass(className.indeterminate) ; module.trigger.change(); }, determinate: function() { if( module.is.determinate() ) { module.debug('Input is already determinate'); return; } module.debug('Setting state to determinate'); $input .prop('indeterminate', false) ; $module .removeClass(className.indeterminate) ; }, disabled: function() { if( module.is.disabled() ) { module.debug('Input is already disabled'); return; } module.debug('Setting state to disabled'); $input .prop('disabled', 'disabled') ; $module .addClass(className.disabled) ; module.trigger.change(); }, enabled: function() { if( module.is.enabled() ) { module.debug('Input is already enabled'); return; } module.debug('Setting state to enabled'); $input .prop('disabled', false) ; $module.removeClass(className.disabled); module.trigger.change(); }, tabbable: function() { module.verbose('Adding tabindex to checkbox'); if( $input.attr('tabindex') === undefined) { $input.attr('tabindex', 0); } } }, trigger: { change: function() { module.verbose('Triggering change event from programmatic change'); $input .trigger('change') ; } }, create: { label: function() { if($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) ; } }, unbind: { events: function() { module.debug('Removing events'); $module .off(eventNamespace) ; } }, uncheckOthers: function() { var $radios = module.get.radios() ; 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(){}, onChecked : function(){}, onUnchecked : function(){}, onDeterminate : function() {}, onIndeterminate : function() {}, onEnabled : function(){}, onDisabled : 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"]', } }; })( jQuery, window , document );