src/definitions/modules/accordion.js
/*!
* # Semantic UI - Accordion
* http://github.com/semantic-org/semantic-ui/
*
*
* Released under the MIT license
* http://opensource.org/licenses/MIT
*
*/
;(function ($, window, document, undefined) {
'use strict';
window = (typeof window != 'undefined' && window.Math == Math)
? window
: (typeof self != 'undefined' && self.Math == Math)
? self
: Function('return this')()
;
$.fn.accordion = function(parameters) {
var
$allModules = $(this),
time = new Date().getTime(),
performance = [],
query = arguments[0],
methodInvoked = (typeof query == 'string'),
queryArguments = [].slice.call(arguments, 1),
requestAnimationFrame = window.requestAnimationFrame
|| window.mozRequestAnimationFrame
|| window.webkitRequestAnimationFrame
|| window.msRequestAnimationFrame
|| function(callback) { setTimeout(callback, 0); },
returnedValue
;
$allModules
.each(function() {
var
settings = ( $.isPlainObject(parameters) )
? $.extend(true, {}, $.fn.accordion.settings, parameters)
: $.extend({}, $.fn.accordion.settings),
className = settings.className,
namespace = settings.namespace,
selector = settings.selector,
error = settings.error,
eventNamespace = '.' + namespace,
moduleNamespace = 'module-' + namespace,
moduleSelector = $allModules.selector || '',
$module = $(this),
$title = $module.find(selector.title),
$content = $module.find(selector.content),
element = this,
instance = $module.data(moduleNamespace),
observer,
module
;
module = {
initialize: function() {
module.debug('Initializing', $module);
module.bind.events();
if(settings.observeChanges) {
module.observeChanges();
}
module.instantiate();
},
instantiate: function() {
instance = module;
$module
.data(moduleNamespace, module)
;
},
destroy: function() {
module.debug('Destroying previous instance', $module);
$module
.off(eventNamespace)
.removeData(moduleNamespace)
;
},
refresh: function() {
$title = $module.find(selector.title);
$content = $module.find(selector.content);
},
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);
}
},
bind: {
events: function() {
module.debug('Binding delegated events');
$module
.on(settings.on + eventNamespace, selector.trigger, module.event.click)
;
}
},
event: {
click: function() {
module.toggle.call(this);
}
},
toggle: function(query) {
var
$activeTitle = (query !== undefined)
? (typeof query === 'number')
? $title.eq(query)
: $(query).closest(selector.title)
: $(this).closest(selector.title),
$activeContent = $activeTitle.next($content),
isAnimating = $activeContent.hasClass(className.animating),
isActive = $activeContent.hasClass(className.active),
isOpen = (isActive && !isAnimating),
isOpening = (!isActive && isAnimating)
;
module.debug('Toggling visibility of content', $activeTitle);
if(isOpen || isOpening) {
if(settings.collapsible) {
module.close.call($activeTitle);
}
else {
module.debug('Cannot close accordion content collapsing is disabled');
}
}
else {
module.open.call($activeTitle);
}
},
open: function(query) {
var
$activeTitle = (query !== undefined)
? (typeof query === 'number')
? $title.eq(query)
: $(query).closest(selector.title)
: $(this).closest(selector.title),
$activeContent = $activeTitle.next($content),
isAnimating = $activeContent.hasClass(className.animating),
isActive = $activeContent.hasClass(className.active),
isOpen = (isActive || isAnimating)
;
if(isOpen) {
module.debug('Accordion already open, skipping', $activeContent);
return;
}
module.debug('Opening accordion content', $activeTitle);
settings.onOpening.call($activeContent);
settings.onChanging.call($activeContent);
if(settings.exclusive) {
module.closeOthers.call($activeTitle);
}
$activeTitle
.addClass(className.active)
;
$activeContent
.stop(true, true)
.addClass(className.animating)
;
if(settings.animateChildren) {
if($.fn.transition !== undefined && $module.transition('is supported')) {
$activeContent
.children()
.transition({
animation : 'fade in',
queue : false,
useFailSafe : true,
debug : settings.debug,
verbose : settings.verbose,
duration : settings.duration
})
;
}
else {
$activeContent
.children()
.stop(true, true)
.animate({
opacity: 1
}, settings.duration, module.resetOpacity)
;
}
}
$activeContent
.slideDown(settings.duration, settings.easing, function() {
$activeContent
.removeClass(className.animating)
.addClass(className.active)
;
module.reset.display.call(this);
settings.onOpen.call(this);
settings.onChange.call(this);
})
;
},
close: function(query) {
var
$activeTitle = (query !== undefined)
? (typeof query === 'number')
? $title.eq(query)
: $(query).closest(selector.title)
: $(this).closest(selector.title),
$activeContent = $activeTitle.next($content),
isAnimating = $activeContent.hasClass(className.animating),
isActive = $activeContent.hasClass(className.active),
isOpening = (!isActive && isAnimating),
isClosing = (isActive && isAnimating)
;
if((isActive || isOpening) && !isClosing) {
module.debug('Closing accordion content', $activeContent);
settings.onClosing.call($activeContent);
settings.onChanging.call($activeContent);
$activeTitle
.removeClass(className.active)
;
$activeContent
.stop(true, true)
.addClass(className.animating)
;
if(settings.animateChildren) {
if($.fn.transition !== undefined && $module.transition('is supported')) {
$activeContent
.children()
.transition({
animation : 'fade out',
queue : false,
useFailSafe : true,
debug : settings.debug,
verbose : settings.verbose,
duration : settings.duration
})
;
}
else {
$activeContent
.children()
.stop(true, true)
.animate({
opacity: 0
}, settings.duration, module.resetOpacity)
;
}
}
$activeContent
.slideUp(settings.duration, settings.easing, function() {
$activeContent
.removeClass(className.animating)
.removeClass(className.active)
;
module.reset.display.call(this);
settings.onClose.call(this);
settings.onChange.call(this);
})
;
}
},
closeOthers: function(index) {
var
$activeTitle = (index !== undefined)
? $title.eq(index)
: $(this).closest(selector.title),
$parentTitles = $activeTitle.parents(selector.content).prev(selector.title),
$activeAccordion = $activeTitle.closest(selector.accordion),
activeSelector = selector.title + '.' + className.active + ':visible',
activeContent = selector.content + '.' + className.active + ':visible',
$openTitles,
$nestedTitles,
$openContents
;
if(settings.closeNested) {
$openTitles = $activeAccordion.find(activeSelector).not($parentTitles);
$openContents = $openTitles.next($content);
}
else {
$openTitles = $activeAccordion.find(activeSelector).not($parentTitles);
$nestedTitles = $activeAccordion.find(activeContent).find(activeSelector).not($parentTitles);
$openTitles = $openTitles.not($nestedTitles);
$openContents = $openTitles.next($content);
}
if( ($openTitles.length > 0) ) {
module.debug('Exclusive enabled, closing other content', $openTitles);
$openTitles
.removeClass(className.active)
;
$openContents
.removeClass(className.animating)
.stop(true, true)
;
if(settings.animateChildren) {
if($.fn.transition !== undefined && $module.transition('is supported')) {
$openContents
.children()
.transition({
animation : 'fade out',
useFailSafe : true,
debug : settings.debug,
verbose : settings.verbose,
duration : settings.duration
})
;
}
else {
$openContents
.children()
.stop(true, true)
.animate({
opacity: 0
}, settings.duration, module.resetOpacity)
;
}
}
$openContents
.slideUp(settings.duration , settings.easing, function() {
$(this).removeClass(className.active);
module.reset.display.call(this);
})
;
}
},
reset: {
display: function() {
module.verbose('Removing inline display from element', this);
$(this).css('display', '');
if( $(this).attr('style') === '') {
$(this)
.attr('style', '')
.removeAttr('style')
;
}
},
opacity: function() {
module.verbose('Removing inline opacity from element', this);
$(this).css('opacity', '');
if( $(this).attr('style') === '') {
$(this)
.attr('style', '')
.removeAttr('style')
;
}
},
},
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) {
module.debug('Changing internal', name, value);
if(value !== undefined) {
if( $.isPlainObject(name) ) {
$.extend(true, module, name);
}
else {
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.accordion.settings = {
name : 'Accordion',
namespace : 'accordion',
silent : false,
debug : false,
verbose : false,
performance : true,
on : 'click', // event on title that opens accordion
observeChanges : true, // whether accordion should automatically refresh on DOM insertion
exclusive : true, // whether a single accordion content panel should be open at once
collapsible : true, // whether accordion content can be closed
closeNested : false, // whether nested content should be closed when a panel is closed
animateChildren : true, // whether children opacity should be animated
duration : 350, // duration of animation
easing : 'easeOutQuad', // easing equation for animation
onOpening : function(){}, // callback before open animation
onClosing : function(){}, // callback before closing animation
onChanging : function(){}, // callback before closing or opening animation
onOpen : function(){}, // callback after open animation
onClose : function(){}, // callback after closing animation
onChange : function(){}, // callback after closing or opening animation
error: {
method : 'The method you called is not defined'
},
className : {
active : 'active',
animating : 'animating'
},
selector : {
accordion : '.accordion',
title : '.title',
trigger : '.title',
content : '.content'
}
};
// Adds easing
$.extend( $.easing, {
easeOutQuad: function (x, t, b, c, d) {
return -c *(t/=d)*(t-2) + b;
}
});
})( jQuery, window, document );