509 lines
14 KiB
JavaScript
509 lines
14 KiB
JavaScript
/*!
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* # Semantic UI 1.11.4 - Checkbox
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* http://github.com/semantic-org/semantic-ui/
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*
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*
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* Copyright 2014 Contributors
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* Released under the MIT license
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* http://opensource.org/licenses/MIT
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*
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*/
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;(function ( $, window, document, undefined ) {
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"use strict";
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$.fn.checkbox = function(parameters) {
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var
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$allModules = $(this),
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moduleSelector = $allModules.selector || '',
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time = new Date().getTime(),
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performance = [],
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query = arguments[0],
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methodInvoked = (typeof query == 'string'),
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queryArguments = [].slice.call(arguments, 1),
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returnedValue
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;
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$allModules
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.each(function() {
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var
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settings = $.extend(true, {}, $.fn.checkbox.settings, parameters),
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className = settings.className,
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namespace = settings.namespace,
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selector = settings.selector,
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error = settings.error,
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eventNamespace = '.' + namespace,
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moduleNamespace = 'module-' + namespace,
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$module = $(this),
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$label = $(this).find(selector.label).first(),
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$input = $(this).find(selector.input),
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instance = $module.data(moduleNamespace),
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observer,
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element = this,
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module
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;
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module = {
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initialize: function() {
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module.verbose('Initializing checkbox', settings);
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module.create.label();
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module.add.events();
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if( module.is.checked() ) {
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module.set.checked();
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if(settings.fireOnInit) {
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settings.onChecked.call($input.get());
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}
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}
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else {
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module.remove.checked();
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if(settings.fireOnInit) {
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settings.onUnchecked.call($input.get());
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}
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}
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module.observeChanges();
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module.instantiate();
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},
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instantiate: function() {
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module.verbose('Storing instance of module', module);
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instance = module;
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$module
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.data(moduleNamespace, module)
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;
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},
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destroy: function() {
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module.verbose('Destroying module');
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module.remove.events();
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$module
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.removeData(moduleNamespace)
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;
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},
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refresh: function() {
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$module = $(this);
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$label = $(this).find(selector.label).first();
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$input = $(this).find(selector.input);
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},
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observeChanges: function() {
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if('MutationObserver' in window) {
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observer = new MutationObserver(function(mutations) {
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module.debug('DOM tree modified, updating selector cache');
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module.refresh();
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});
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observer.observe(element, {
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childList : true,
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subtree : true
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});
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module.debug('Setting up mutation observer', observer);
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}
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},
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attachEvents: function(selector, event) {
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var
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$element = $(selector)
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;
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event = $.isFunction(module[event])
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? module[event]
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: module.toggle
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;
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if($element.length > 0) {
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module.debug('Attaching checkbox events to element', selector, event);
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$element
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.on('click' + eventNamespace, event)
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;
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}
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else {
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module.error(error.notFound);
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}
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},
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event: {
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keydown: function(event) {
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var
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key = event.which,
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keyCode = {
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enter : 13,
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space : 32,
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escape : 27
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}
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;
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if( key == keyCode.escape) {
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module.verbose('Escape key pressed blurring field');
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$module
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.blur()
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;
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}
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if(!event.ctrlKey && (key == keyCode.enter || key == keyCode.space)) {
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module.verbose('Enter key pressed, toggling checkbox');
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module.toggle.call(this);
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event.preventDefault();
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}
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}
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},
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is: {
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radio: function() {
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return $module.hasClass(className.radio);
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},
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checked: function() {
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return $input.prop('checked') !== undefined && $input.prop('checked');
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},
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unchecked: function() {
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return !module.is.checked();
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}
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},
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can: {
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change: function() {
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return !( $module.hasClass(className.disabled) || $module.hasClass(className.readOnly) || $input.prop('disabled') );
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},
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uncheck: function() {
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return (typeof settings.uncheckable === 'boolean')
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? settings.uncheckable
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: !module.is.radio()
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;
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}
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},
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set: {
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checked: function() {
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$module.addClass(className.checked);
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},
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tab: function() {
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if( $input.attr('tabindex') === undefined) {
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$input
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.attr('tabindex', 0)
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;
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}
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}
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},
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create: {
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label: function() {
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if($input.prevAll(selector.label).length > 0) {
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$input.prev(selector.label).detach().insertAfter($input);
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module.debug('Moving existing label', $label);
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}
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else if( !module.has.label() ) {
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$label = $('<label>').insertAfter($input);
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module.debug('Creating label', $label);
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}
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}
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},
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has: {
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label: function() {
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return ($label.length > 0);
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}
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},
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add: {
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events: function() {
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module.verbose('Attaching checkbox events');
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$module
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.on('click' + eventNamespace, module.toggle)
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.on('keydown' + eventNamespace, selector.input, module.event.keydown)
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;
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}
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},
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remove: {
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checked: function() {
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$module.removeClass(className.checked);
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},
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events: function() {
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module.debug('Removing events');
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$module
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.off(eventNamespace)
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.removeData(moduleNamespace)
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;
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$input
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.off(eventNamespace, module.event.keydown)
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;
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$label
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.off(eventNamespace)
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;
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}
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},
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enable: function() {
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module.debug('Enabling checkbox functionality');
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$module.removeClass(className.disabled);
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$input.prop('disabled', false);
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settings.onEnabled.call($input.get());
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},
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disable: function() {
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module.debug('Disabling checkbox functionality');
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$module.addClass(className.disabled);
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$input.prop('disabled', 'disabled');
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settings.onDisabled.call($input.get());
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},
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check: function() {
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module.debug('Enabling checkbox', $input);
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$input
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.prop('checked', true)
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.trigger('change')
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;
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module.set.checked();
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$input.trigger('blur');
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settings.onChange.call($input.get());
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settings.onChecked.call($input.get());
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},
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uncheck: function() {
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module.debug('Disabling checkbox');
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$input
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.prop('checked', false)
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.trigger('change')
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;
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module.remove.checked();
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$input.trigger('blur');
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settings.onChange.call($input.get());
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settings.onUnchecked.call($input.get());
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},
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toggle: function(event) {
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if( !module.can.change() ) {
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console.log(module.can.change());
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module.debug('Checkbox is read-only or disabled, ignoring toggle');
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return;
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}
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module.verbose('Determining new checkbox state');
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if( module.is.unchecked() ) {
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module.check();
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}
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else if( module.is.checked() && module.can.uncheck() ) {
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module.uncheck();
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}
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},
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setting: function(name, value) {
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module.debug('Changing setting', name, value);
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if( $.isPlainObject(name) ) {
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$.extend(true, settings, name);
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}
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else if(value !== undefined) {
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settings[name] = value;
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}
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else {
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return settings[name];
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}
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},
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internal: function(name, value) {
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if( $.isPlainObject(name) ) {
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$.extend(true, module, name);
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}
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else if(value !== undefined) {
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module[name] = value;
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}
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else {
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return module[name];
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}
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},
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debug: function() {
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if(settings.debug) {
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if(settings.performance) {
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module.performance.log(arguments);
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}
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else {
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module.debug = Function.prototype.bind.call(console.info, console, settings.name + ':');
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module.debug.apply(console, arguments);
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}
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}
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},
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verbose: function() {
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if(settings.verbose && settings.debug) {
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if(settings.performance) {
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module.performance.log(arguments);
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}
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else {
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module.verbose = Function.prototype.bind.call(console.info, console, settings.name + ':');
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module.verbose.apply(console, arguments);
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}
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}
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},
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error: function() {
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module.error = Function.prototype.bind.call(console.error, console, settings.name + ':');
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module.error.apply(console, arguments);
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},
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performance: {
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log: function(message) {
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var
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currentTime,
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executionTime,
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previousTime
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;
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if(settings.performance) {
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currentTime = new Date().getTime();
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previousTime = time || currentTime;
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executionTime = currentTime - previousTime;
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time = currentTime;
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performance.push({
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'Name' : message[0],
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'Arguments' : [].slice.call(message, 1) || '',
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'Element' : element,
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'Execution Time' : executionTime
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});
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}
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clearTimeout(module.performance.timer);
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module.performance.timer = setTimeout(module.performance.display, 100);
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},
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display: function() {
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var
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title = settings.name + ':',
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totalTime = 0
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;
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time = false;
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clearTimeout(module.performance.timer);
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$.each(performance, function(index, data) {
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totalTime += data['Execution Time'];
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});
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title += ' ' + totalTime + 'ms';
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if(moduleSelector) {
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title += ' \'' + moduleSelector + '\'';
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}
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if( (console.group !== undefined || console.table !== undefined) && performance.length > 0) {
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console.groupCollapsed(title);
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if(console.table) {
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console.table(performance);
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}
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else {
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$.each(performance, function(index, data) {
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console.log(data['Name'] + ': ' + data['Execution Time']+'ms');
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});
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}
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console.groupEnd();
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}
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performance = [];
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}
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},
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invoke: function(query, passedArguments, context) {
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var
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object = instance,
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maxDepth,
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found,
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response
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;
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passedArguments = passedArguments || queryArguments;
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context = element || context;
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if(typeof query == 'string' && object !== undefined) {
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query = query.split(/[\. ]/);
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maxDepth = query.length - 1;
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$.each(query, function(depth, value) {
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var camelCaseValue = (depth != maxDepth)
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? value + query[depth + 1].charAt(0).toUpperCase() + query[depth + 1].slice(1)
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: query
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;
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if( $.isPlainObject( object[camelCaseValue] ) && (depth != maxDepth) ) {
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object = object[camelCaseValue];
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}
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else if( object[camelCaseValue] !== undefined ) {
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found = object[camelCaseValue];
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return false;
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}
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else if( $.isPlainObject( object[value] ) && (depth != maxDepth) ) {
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object = object[value];
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}
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else if( object[value] !== undefined ) {
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found = object[value];
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return false;
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}
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else {
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module.error(error.method, query);
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return false;
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}
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});
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}
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if ( $.isFunction( found ) ) {
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response = found.apply(context, passedArguments);
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}
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else if(found !== undefined) {
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response = found;
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}
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if($.isArray(returnedValue)) {
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returnedValue.push(response);
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}
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else if(returnedValue !== undefined) {
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returnedValue = [returnedValue, response];
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}
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else if(response !== undefined) {
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returnedValue = response;
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}
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return found;
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}
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};
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if(methodInvoked) {
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if(instance === undefined) {
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module.initialize();
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}
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module.invoke(query);
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}
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else {
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if(instance !== undefined) {
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instance.invoke('destroy');
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}
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module.initialize();
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}
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})
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;
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return (returnedValue !== undefined)
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? returnedValue
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: this
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;
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};
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$.fn.checkbox.settings = {
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name : 'Checkbox',
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namespace : 'checkbox',
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debug : false,
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verbose : true,
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performance : true,
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// delegated event context
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uncheckable : 'auto',
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fireOnInit : true,
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onChange : function(){},
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onChecked : function(){},
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onUnchecked : function(){},
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onEnabled : function(){},
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onDisabled : function(){},
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className : {
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checked : 'checked',
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disabled : 'disabled',
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radio : 'radio',
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readOnly : 'read-only'
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},
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error : {
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method : 'The method you called is not defined'
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},
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selector : {
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input : 'input[type="checkbox"], input[type="radio"]',
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label : 'label'
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}
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};
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})( jQuery, window , document );
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