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831 lines
26 KiB
831 lines
26 KiB
/*! |
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* # Semantic UI 2.4.1 - Checkbox |
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* http://github.com/semantic-org/semantic-ui/ |
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* |
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* |
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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 ($, window, document, undefined) { |
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'use strict'; |
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|
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window = (typeof window != 'undefined' && window.Math == Math) |
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? window |
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: (typeof self != 'undefined' && self.Math == Math) |
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? self |
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: Function('return this')() |
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; |
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$.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, {}, $.fn.checkbox.settings, parameters), |
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className = settings.className, |
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namespace = settings.namespace, |
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selector = settings.selector, |
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error = settings.error, |
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eventNamespace = '.' + namespace, |
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moduleNamespace = 'module-' + namespace, |
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|
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$module = $(this), |
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$label = $(this).children(selector.label), |
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$input = $(this).children(selector.input), |
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input = $input[0], |
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initialLoad = false, |
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shortcutPressed = false, |
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instance = $module.data(moduleNamespace), |
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observer, |
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element = this, |
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module |
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; |
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module = { |
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initialize: function() { |
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module.verbose('Initializing checkbox', settings); |
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module.create.label(); |
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module.bind.events(); |
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module.set.tabbable(); |
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module.hide.input(); |
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module.observeChanges(); |
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module.instantiate(); |
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module.setup(); |
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}, |
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instantiate: function() { |
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module.verbose('Storing instance of module', module); |
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instance = module; |
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$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.unbind.events(); |
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module.show.input(); |
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$module.removeData(moduleNamespace); |
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}, |
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fix: { |
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reference: function() { |
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if( $module.is(selector.input) ) { |
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module.debug('Behavior called on <input> adjusting invoked element'); |
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$module = $module.closest(selector.checkbox); |
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module.refresh(); |
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} |
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} |
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}, |
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setup: function() { |
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module.set.initialLoad(); |
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if( module.is.indeterminate() ) { |
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module.debug('Initial value is indeterminate'); |
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module.indeterminate(); |
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} |
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else if( module.is.checked() ) { |
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module.debug('Initial value is checked'); |
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module.check(); |
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} |
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else { |
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module.debug('Initial value is unchecked'); |
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module.uncheck(); |
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} |
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module.remove.initialLoad(); |
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}, |
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refresh: function() { |
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$label = $module.children(selector.label); |
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$input = $module.children(selector.input); |
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input = $input[0]; |
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}, |
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hide: { |
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input: function() { |
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module.verbose('Modifying <input> z-index to be unselectable'); |
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$input.addClass(className.hidden); |
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} |
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}, |
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show: { |
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input: function() { |
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module.verbose('Modifying <input> z-index to be selectable'); |
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$input.removeClass(className.hidden); |
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} |
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}, |
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observeChanges: function() { |
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if('MutationObserver' in window) { |
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observer = new MutationObserver(function(mutations) { |
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module.debug('DOM tree modified, updating selector cache'); |
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module.refresh(); |
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}); |
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observer.observe(element, { |
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childList : true, |
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subtree : true |
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}); |
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module.debug('Setting up mutation observer', observer); |
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} |
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}, |
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attachEvents: function(selector, event) { |
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var |
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$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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$element |
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.on('click' + eventNamespace, event) |
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; |
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} |
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else { |
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module.error(error.notFound); |
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} |
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}, |
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event: { |
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click: function(event) { |
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var |
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$target = $(event.target) |
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; |
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if( $target.is(selector.input) ) { |
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module.verbose('Using default check action on initialized checkbox'); |
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return; |
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} |
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if( $target.is(selector.link) ) { |
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module.debug('Clicking link inside checkbox, skipping toggle'); |
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return; |
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} |
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module.toggle(); |
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$input.focus(); |
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event.preventDefault(); |
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}, |
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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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$input.blur(); |
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shortcutPressed = true; |
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} |
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else if(!event.ctrlKey && ( key == keyCode.space || key == keyCode.enter) ) { |
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module.verbose('Enter/space key pressed, toggling checkbox'); |
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module.toggle(); |
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shortcutPressed = true; |
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} |
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else { |
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shortcutPressed = false; |
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} |
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}, |
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keyup: function(event) { |
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if(shortcutPressed) { |
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event.preventDefault(); |
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} |
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} |
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}, |
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check: function() { |
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if( !module.should.allowCheck() ) { |
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return; |
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} |
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module.debug('Checking checkbox', $input); |
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module.set.checked(); |
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if( !module.should.ignoreCallbacks() ) { |
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settings.onChecked.call(input); |
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settings.onChange.call(input); |
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} |
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}, |
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uncheck: function() { |
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if( !module.should.allowUncheck() ) { |
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return; |
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} |
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module.debug('Unchecking checkbox'); |
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module.set.unchecked(); |
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if( !module.should.ignoreCallbacks() ) { |
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settings.onUnchecked.call(input); |
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settings.onChange.call(input); |
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} |
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}, |
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indeterminate: function() { |
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if( module.should.allowIndeterminate() ) { |
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module.debug('Checkbox is already indeterminate'); |
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return; |
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} |
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module.debug('Making checkbox indeterminate'); |
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module.set.indeterminate(); |
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if( !module.should.ignoreCallbacks() ) { |
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settings.onIndeterminate.call(input); |
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settings.onChange.call(input); |
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} |
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}, |
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determinate: function() { |
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if( module.should.allowDeterminate() ) { |
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module.debug('Checkbox is already determinate'); |
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return; |
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} |
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module.debug('Making checkbox determinate'); |
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module.set.determinate(); |
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if( !module.should.ignoreCallbacks() ) { |
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settings.onDeterminate.call(input); |
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settings.onChange.call(input); |
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} |
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}, |
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enable: function() { |
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if( module.is.enabled() ) { |
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module.debug('Checkbox is already enabled'); |
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return; |
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} |
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module.debug('Enabling checkbox'); |
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module.set.enabled(); |
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settings.onEnable.call(input); |
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// preserve legacy callbacks |
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settings.onEnabled.call(input); |
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}, |
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disable: function() { |
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if( module.is.disabled() ) { |
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module.debug('Checkbox is already disabled'); |
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return; |
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} |
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module.debug('Disabling checkbox'); |
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module.set.disabled(); |
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settings.onDisable.call(input); |
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// preserve legacy callbacks |
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settings.onDisabled.call(input); |
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}, |
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get: { |
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radios: function() { |
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var |
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name = module.get.name() |
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; |
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return $('input[name="' + name + '"]').closest(selector.checkbox); |
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}, |
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otherRadios: function() { |
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return module.get.radios().not($module); |
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}, |
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name: function() { |
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return $input.attr('name'); |
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} |
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}, |
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is: { |
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initialLoad: function() { |
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return initialLoad; |
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}, |
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radio: function() { |
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return ($input.hasClass(className.radio) || $input.attr('type') == 'radio'); |
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}, |
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indeterminate: function() { |
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return $input.prop('indeterminate') !== undefined && $input.prop('indeterminate'); |
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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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disabled: function() { |
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return $input.prop('disabled') !== undefined && $input.prop('disabled'); |
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}, |
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enabled: function() { |
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return !module.is.disabled(); |
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}, |
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determinate: function() { |
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return !module.is.indeterminate(); |
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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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should: { |
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allowCheck: function() { |
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if(module.is.determinate() && module.is.checked() && !module.should.forceCallbacks() ) { |
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module.debug('Should not allow check, checkbox is already checked'); |
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return false; |
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} |
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if(settings.beforeChecked.apply(input) === false) { |
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module.debug('Should not allow check, beforeChecked cancelled'); |
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return false; |
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} |
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return true; |
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}, |
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allowUncheck: function() { |
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if(module.is.determinate() && module.is.unchecked() && !module.should.forceCallbacks() ) { |
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module.debug('Should not allow uncheck, checkbox is already unchecked'); |
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return false; |
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} |
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if(settings.beforeUnchecked.apply(input) === false) { |
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module.debug('Should not allow uncheck, beforeUnchecked cancelled'); |
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return false; |
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} |
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return true; |
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}, |
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allowIndeterminate: function() { |
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if(module.is.indeterminate() && !module.should.forceCallbacks() ) { |
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module.debug('Should not allow indeterminate, checkbox is already indeterminate'); |
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return false; |
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} |
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if(settings.beforeIndeterminate.apply(input) === false) { |
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module.debug('Should not allow indeterminate, beforeIndeterminate cancelled'); |
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return false; |
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} |
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return true; |
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}, |
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allowDeterminate: function() { |
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if(module.is.determinate() && !module.should.forceCallbacks() ) { |
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module.debug('Should not allow determinate, checkbox is already determinate'); |
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return false; |
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} |
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if(settings.beforeDeterminate.apply(input) === false) { |
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module.debug('Should not allow determinate, beforeDeterminate cancelled'); |
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return false; |
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} |
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return true; |
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}, |
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forceCallbacks: function() { |
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return (module.is.initialLoad() && settings.fireOnInit); |
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}, |
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ignoreCallbacks: function() { |
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return (initialLoad && !settings.fireOnInit); |
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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') || $input.prop('readonly') ); |
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}, |
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uncheck: function() { |
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return (typeof settings.uncheckable === 'boolean') |
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? settings.uncheckable |
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: !module.is.radio() |
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; |
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} |
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}, |
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set: { |
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initialLoad: function() { |
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initialLoad = true; |
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}, |
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checked: function() { |
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module.verbose('Setting class to checked'); |
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$module |
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.removeClass(className.indeterminate) |
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.addClass(className.checked) |
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; |
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if( module.is.radio() ) { |
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module.uncheckOthers(); |
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} |
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if(!module.is.indeterminate() && module.is.checked()) { |
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module.debug('Input is already checked, skipping input property change'); |
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return; |
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} |
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module.verbose('Setting state to checked', input); |
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$input |
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.prop('indeterminate', false) |
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.prop('checked', true) |
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; |
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module.trigger.change(); |
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}, |
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unchecked: function() { |
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module.verbose('Removing checked class'); |
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$module |
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.removeClass(className.indeterminate) |
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.removeClass(className.checked) |
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; |
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if(!module.is.indeterminate() && module.is.unchecked() ) { |
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module.debug('Input is already unchecked'); |
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return; |
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} |
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module.debug('Setting state to unchecked'); |
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$input |
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.prop('indeterminate', false) |
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.prop('checked', false) |
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; |
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module.trigger.change(); |
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}, |
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indeterminate: function() { |
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module.verbose('Setting class to indeterminate'); |
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$module |
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.addClass(className.indeterminate) |
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; |
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if( module.is.indeterminate() ) { |
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module.debug('Input is already indeterminate, skipping input property change'); |
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return; |
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} |
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module.debug('Setting state to indeterminate'); |
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$input |
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.prop('indeterminate', true) |
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; |
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module.trigger.change(); |
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}, |
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determinate: function() { |
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module.verbose('Removing indeterminate class'); |
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$module |
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.removeClass(className.indeterminate) |
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; |
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if( module.is.determinate() ) { |
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module.debug('Input is already determinate, skipping input property change'); |
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return; |
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} |
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module.debug('Setting state to determinate'); |
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$input |
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.prop('indeterminate', false) |
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; |
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}, |
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disabled: function() { |
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module.verbose('Setting class to disabled'); |
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$module |
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.addClass(className.disabled) |
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; |
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if( module.is.disabled() ) { |
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module.debug('Input is already disabled, skipping input property change'); |
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return; |
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} |
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module.debug('Setting state to disabled'); |
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$input |
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.prop('disabled', 'disabled') |
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; |
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module.trigger.change(); |
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}, |
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enabled: function() { |
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module.verbose('Removing disabled class'); |
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$module.removeClass(className.disabled); |
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if( module.is.enabled() ) { |
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module.debug('Input is already enabled, skipping input property change'); |
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return; |
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} |
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module.debug('Setting state to enabled'); |
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$input |
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.prop('disabled', false) |
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; |
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module.trigger.change(); |
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}, |
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tabbable: function() { |
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module.verbose('Adding tabindex to checkbox'); |
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if( $input.attr('tabindex') === undefined) { |
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$input.attr('tabindex', 0); |
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} |
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} |
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}, |
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|
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remove: { |
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initialLoad: function() { |
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initialLoad = false; |
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} |
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}, |
|
|
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trigger: { |
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change: function() { |
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var |
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events = document.createEvent('HTMLEvents'), |
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inputElement = $input[0] |
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; |
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if(inputElement) { |
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module.verbose('Triggering native change event'); |
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events.initEvent('change', true, false); |
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inputElement.dispatchEvent(events); |
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} |
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} |
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}, |
|
|
|
|
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create: { |
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label: function() { |
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if($input.prevAll(selector.label).length > 0) { |
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$input.prev(selector.label).detach().insertAfter($input); |
|
module.debug('Moving existing label', $label); |
|
} |
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else if( !module.has.label() ) { |
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$label = $('<label>').insertAfter($input); |
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module.debug('Creating label', $label); |
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} |
|
} |
|
}, |
|
|
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has: { |
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label: function() { |
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return ($label.length > 0); |
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} |
|
}, |
|
|
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bind: { |
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events: function() { |
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module.verbose('Attaching checkbox events'); |
|
$module |
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.on('click' + eventNamespace, module.event.click) |
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.on('keydown' + eventNamespace, selector.input, module.event.keydown) |
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.on('keyup' + eventNamespace, selector.input, module.event.keyup) |
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; |
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} |
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}, |
|
|
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unbind: { |
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events: function() { |
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module.debug('Removing events'); |
|
$module |
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.off(eventNamespace) |
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; |
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} |
|
}, |
|
|
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uncheckOthers: function() { |
|
var |
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$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) ) { |
|
$.extend(true, settings, name); |
|
} |
|
else if(value !== undefined) { |
|
if($.isPlainObject(settings[name])) { |
|
$.extend(true, settings[name], value); |
|
} |
|
else { |
|
settings[name] = value; |
|
} |
|
} |
|
else { |
|
return settings[name]; |
|
} |
|
}, |
|
internal: function(name, value) { |
|
if( $.isPlainObject(name) ) { |
|
$.extend(true, module, name); |
|
} |
|
else if(value !== undefined) { |
|
module[name] = value; |
|
} |
|
else { |
|
return module[name]; |
|
} |
|
}, |
|
debug: function() { |
|
if(!settings.silent && settings.debug) { |
|
if(settings.performance) { |
|
module.performance.log(arguments); |
|
} |
|
else { |
|
module.debug = Function.prototype.bind.call(console.info, console, settings.name + ':'); |
|
module.debug.apply(console, arguments); |
|
} |
|
} |
|
}, |
|
verbose: function() { |
|
if(!settings.silent && settings.verbose && settings.debug) { |
|
if(settings.performance) { |
|
module.performance.log(arguments); |
|
} |
|
else { |
|
module.verbose = Function.prototype.bind.call(console.info, console, settings.name + ':'); |
|
module.verbose.apply(console, arguments); |
|
} |
|
} |
|
}, |
|
error: function() { |
|
if(!settings.silent) { |
|
module.error = Function.prototype.bind.call(console.error, console, settings.name + ':'); |
|
module.error.apply(console, arguments); |
|
} |
|
}, |
|
performance: { |
|
log: function(message) { |
|
var |
|
currentTime, |
|
executionTime, |
|
previousTime |
|
; |
|
if(settings.performance) { |
|
currentTime = new Date().getTime(); |
|
previousTime = time || currentTime; |
|
executionTime = currentTime - previousTime; |
|
time = currentTime; |
|
performance.push({ |
|
'Name' : message[0], |
|
'Arguments' : [].slice.call(message, 1) || '', |
|
'Element' : element, |
|
'Execution Time' : executionTime |
|
}); |
|
} |
|
clearTimeout(module.performance.timer); |
|
module.performance.timer = setTimeout(module.performance.display, 500); |
|
}, |
|
display: function() { |
|
var |
|
title = settings.name + ':', |
|
totalTime = 0 |
|
; |
|
time = false; |
|
clearTimeout(module.performance.timer); |
|
$.each(performance, function(index, data) { |
|
totalTime += data['Execution Time']; |
|
}); |
|
title += ' ' + totalTime + 'ms'; |
|
if(moduleSelector) { |
|
title += ' \'' + moduleSelector + '\''; |
|
} |
|
if( (console.group !== undefined || console.table !== undefined) && performance.length > 0) { |
|
console.groupCollapsed(title); |
|
if(console.table) { |
|
console.table(performance); |
|
} |
|
else { |
|
$.each(performance, function(index, data) { |
|
console.log(data['Name'] + ': ' + data['Execution Time']+'ms'); |
|
}); |
|
} |
|
console.groupEnd(); |
|
} |
|
performance = []; |
|
} |
|
}, |
|
invoke: function(query, passedArguments, context) { |
|
var |
|
object = instance, |
|
maxDepth, |
|
found, |
|
response |
|
; |
|
passedArguments = passedArguments || queryArguments; |
|
context = element || context; |
|
if(typeof query == 'string' && object !== undefined) { |
|
query = query.split(/[\. ]/); |
|
maxDepth = query.length - 1; |
|
$.each(query, function(depth, value) { |
|
var camelCaseValue = (depth != maxDepth) |
|
? value + query[depth + 1].charAt(0).toUpperCase() + query[depth + 1].slice(1) |
|
: query |
|
; |
|
if( $.isPlainObject( object[camelCaseValue] ) && (depth != maxDepth) ) { |
|
object = object[camelCaseValue]; |
|
} |
|
else if( object[camelCaseValue] !== undefined ) { |
|
found = object[camelCaseValue]; |
|
return false; |
|
} |
|
else if( $.isPlainObject( object[value] ) && (depth != maxDepth) ) { |
|
object = object[value]; |
|
} |
|
else if( object[value] !== undefined ) { |
|
found = object[value]; |
|
return false; |
|
} |
|
else { |
|
module.error(error.method, query); |
|
return false; |
|
} |
|
}); |
|
} |
|
if ( $.isFunction( found ) ) { |
|
response = found.apply(context, passedArguments); |
|
} |
|
else if(found !== undefined) { |
|
response = found; |
|
} |
|
if($.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', |
|
|
|
silent : false, |
|
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(){}, |
|
|
|
// preserve misspelled callbacks (will be removed in 3.0) |
|
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"]', |
|
link : 'a[href]' |
|
} |
|
|
|
}; |
|
|
|
})( jQuery, window, document );
|
|
|