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/*
* # Semantic - Tab
* http://github.com/jlukic/semantic-ui/
*
* Copyright 2014 Contributors
* Released under the MIT license
* http://opensource.org/licenses/MIT
*
*/
;(function ($, window, document, undefined) {
module.exports = function(parameters) {
var _module = module;
var
settings = $.extend(true, {}, _module.exports.settings, parameters),
$module = $(this),
$tabs = $(settings.context).find(settings.selector.tabs),
moduleSelector = $module.selector || '',
cache = {},
firstLoad = true,
recursionDepth = 0,
activeTabPath,
parameterArray,
historyEvent,
element = this,
time = new Date().getTime(),
performance = [],
className = settings.className,
metadata = settings.metadata,
error = settings.error,
eventNamespace = '.' + settings.namespace,
moduleNamespace = 'module-' + settings.namespace,
instance = $module.data(moduleNamespace),
query = arguments[0],
methodInvoked = (instance !== undefined && typeof query == 'string'),
queryArguments = [].slice.call(arguments, 1),
module,
returnedValue
;
module = {
initialize: function() {
module.debug('Initializing Tabs', $module);
// set up automatic routing
if(settings.auto) {
module.verbose('Setting up automatic tab retrieval from server');
settings.apiSettings = {
url: settings.path + '/{$tab}'
};
}
// attach history events
if(settings.history) {
module.debug('Initializing page state');
if( $.address === undefined ) {
module.error(error.state);
return false;
}
else {
if(settings.historyType == 'hash') {
module.debug('Using hash state change to manage state');
}
if(settings.historyType == 'html5') {
module.debug('Using HTML5 to manage state');
if(settings.path !== false) {
$.address
.history(true)
.state(settings.path)
;
}
else {
module.error(error.path);
return false;
}
}
$.address
.unbind('change')
.bind('change', module.event.history.change)
;
}
}
// attach events if navigation wasn't set to window
if( !$.isWindow( element ) ) {
module.debug('Attaching tab activation events to element', $module);
$module
.on('click' + eventNamespace, module.event.click)
;
}
module.instantiate();
},
instantiate: function () {
module.verbose('Storing instance of module', module);
$module
.data(moduleNamespace, module)
;
},
destroy: function() {
module.debug('Destroying tabs', $module);
$module
.removeData(moduleNamespace)
.off(eventNamespace)
;
},
event: {
click: function(event) {
var
tabPath = $(this).data(metadata.tab)
;
if(tabPath !== undefined) {
if(settings.history) {
module.verbose('Updating page state', event);
$.address.value(tabPath);
}
else {
module.verbose('Changing tab without state management', event);
module.changeTab(tabPath);
}
event.preventDefault();
}
else {
module.debug('No tab specified');
}
},
history: {
change: function(event) {
var
tabPath = event.pathNames.join('/') || module.get.initialPath(),
pageTitle = settings.templates.determineTitle(tabPath) || false
;
module.debug('History change event', tabPath, event);
historyEvent = event;
if(tabPath !== undefined) {
module.changeTab(tabPath);
}
if(pageTitle) {
$.address.title(pageTitle);
}
}
}
},
refresh: function() {
if(activeTabPath) {
module.debug('Refreshing tab', activeTabPath);
module.changeTab(activeTabPath);
}
},
cache: {
read: function(cacheKey) {
return (cacheKey !== undefined)
? cache[cacheKey]
: false
;
},
add: function(cacheKey, content) {
cacheKey = cacheKey || activeTabPath;
module.debug('Adding cached content for', cacheKey);
cache[cacheKey] = content;
},
remove: function(cacheKey) {
cacheKey = cacheKey || activeTabPath;
module.debug('Removing cached content for', cacheKey);
delete cache[cacheKey];
}
},
set: {
state: function(url) {
$.address.value(url);
}
},
changeTab: function(tabPath) {
var
pushStateAvailable = (window.history && window.history.pushState),
shouldIgnoreLoad = (pushStateAvailable && settings.ignoreFirstLoad && firstLoad),
remoteContent = (settings.auto || $.isPlainObject(settings.apiSettings) ),
// only get default path if not remote content
pathArray = (remoteContent && !shouldIgnoreLoad)
? module.utilities.pathToArray(tabPath)
: module.get.defaultPathArray(tabPath)
;
tabPath = module.utilities.arrayToPath(pathArray);
module.deactivate.all();
$.each(pathArray, function(index, tab) {
var
currentPathArray = pathArray.slice(0, index + 1),
currentPath = module.utilities.arrayToPath(currentPathArray),
isTab = module.is.tab(currentPath),
isLastIndex = (index + 1 == pathArray.length),
$tab = module.get.tabElement(currentPath),
nextPathArray,
nextPath,
isLastTab
;
module.verbose('Looking for tab', tab);
if(isTab) {
module.verbose('Tab was found', tab);
// scope up
activeTabPath = currentPath;
parameterArray = module.utilities.filterArray(pathArray, currentPathArray);
if(isLastIndex) {
isLastTab = true;
}
else {
nextPathArray = pathArray.slice(0, index + 2);
nextPath = module.utilities.arrayToPath(nextPathArray);
isLastTab = ( !module.is.tab(nextPath) );
if(isLastTab) {
module.verbose('Tab parameters found', nextPathArray);
}
}
if(isLastTab && remoteContent) {
if(!shouldIgnoreLoad) {
module.activate.navigation(currentPath);
module.content.fetch(currentPath, tabPath);
}
else {
module.debug('Ignoring remote content on first tab load', currentPath);
firstLoad = false;
module.cache.add(tabPath, $tab.html());
module.activate.all(currentPath);
$.proxy(settings.onTabInit, $tab)(currentPath, parameterArray, historyEvent);
$.proxy(settings.onTabLoad, $tab)(currentPath, parameterArray, historyEvent);
}
return false;
}
else {
module.debug('Opened local tab', currentPath);
module.activate.all(currentPath);
if( !module.cache.read(currentPath) ) {
module.cache.add(currentPath, true);
module.debug('First time tab loaded calling tab init');
$.proxy(settings.onTabInit, $tab)(currentPath, parameterArray, historyEvent);
}
$.proxy(settings.onTabLoad, $tab)(currentPath, parameterArray, historyEvent);
}
}
else {
module.error(error.missingTab, tab);
return false;
}
});
},
content: {
fetch: function(tabPath, fullTabPath) {
var
$tab = module.get.tabElement(tabPath),
apiSettings = {
dataType : 'html',
stateContext : $tab,
success : function(response) {
module.cache.add(fullTabPath, response);
module.content.update(tabPath, response);
if(tabPath == activeTabPath) {
module.debug('Content loaded', tabPath);
module.activate.tab(tabPath);
}
else {
module.debug('Content loaded in background', tabPath);
}
$.proxy(settings.onTabInit, $tab)(tabPath, parameterArray, historyEvent);
$.proxy(settings.onTabLoad, $tab)(tabPath, parameterArray, historyEvent);
},
urlData: { tab: fullTabPath }
},
request = $tab.data(metadata.promise) || false,
existingRequest = ( request && request.state() === 'pending' ),
requestSettings,
cachedContent
;
fullTabPath = fullTabPath || tabPath;
cachedContent = module.cache.read(fullTabPath);
if(settings.cache && cachedContent) {
module.debug('Showing existing content', fullTabPath);
module.content.update(tabPath, cachedContent);
module.activate.tab(tabPath);
$.proxy(settings.onTabLoad, $tab)(tabPath, parameterArray, historyEvent);
}
else if(existingRequest) {
module.debug('Content is already loading', fullTabPath);
$tab
.addClass(className.loading)
;
}
else if($.api !== undefined) {
console.log(settings.apiSettings);
requestSettings = $.extend(true, { headers: { 'X-Remote': true } }, settings.apiSettings, apiSettings);
module.debug('Retrieving remote content', fullTabPath, requestSettings);
$.api( requestSettings );
}
else {
module.error(error.api);
}
},
update: function(tabPath, html) {
module.debug('Updating html for', tabPath);
var
$tab = module.get.tabElement(tabPath)
;
$tab
.html(html)
;
}
},
activate: {
all: function(tabPath) {
module.activate.tab(tabPath);
module.activate.navigation(tabPath);
},
tab: function(tabPath) {
var
$tab = module.get.tabElement(tabPath)
;
module.verbose('Showing tab content for', $tab);
$tab.addClass(className.active);
},
navigation: function(tabPath) {
var
$navigation = module.get.navElement(tabPath)
;
module.verbose('Activating tab navigation for', $navigation, tabPath);
$navigation.addClass(className.active);
}
},
deactivate: {
all: function() {
module.deactivate.navigation();
module.deactivate.tabs();
},
navigation: function() {
$module
.removeClass(className.active)
;
},
tabs: function() {
$tabs
.removeClass(className.active + ' ' + className.loading)
;
}
},
is: {
tab: function(tabName) {
return (tabName !== undefined)
? ( module.get.tabElement(tabName).size() > 0 )
: false
;
}
},
get: {
initialPath: function() {
return $module.eq(0).data(metadata.tab) || $tabs.eq(0).data(metadata.tab);
},
path: function() {
return $.address.value();
},
// adds default tabs to tab path
defaultPathArray: function(tabPath) {
return module.utilities.pathToArray( module.get.defaultPath(tabPath) );
},
defaultPath: function(tabPath) {
var
$defaultNav = $module.filter('[data-' + metadata.tab + '^="' + tabPath + '/"]').eq(0),
defaultTab = $defaultNav.data(metadata.tab) || false
;
if( defaultTab ) {
module.debug('Found default tab', defaultTab);
if(recursionDepth < settings.maxDepth) {
recursionDepth++;
return module.get.defaultPath(defaultTab);
}
module.error(error.recursion);
}
else {
module.debug('No default tabs found for', tabPath, $tabs);
}
recursionDepth = 0;
return tabPath;
},
navElement: function(tabPath) {
tabPath = tabPath || activeTabPath;
return $module.filter('[data-' + metadata.tab + '="' + tabPath + '"]');
},
tabElement: function(tabPath) {
var
$fullPathTab,
$simplePathTab,
tabPathArray,
lastTab
;
tabPath = tabPath || activeTabPath;
tabPathArray = module.utilities.pathToArray(tabPath);
lastTab = module.utilities.last(tabPathArray);
$fullPathTab = $tabs.filter('[data-' + metadata.tab + '="' + lastTab + '"]');
$simplePathTab = $tabs.filter('[data-' + metadata.tab + '="' + tabPath + '"]');
return ($fullPathTab.size() > 0)
? $fullPathTab
: $simplePathTab
;
},
tab: function() {
return activeTabPath;
}
},
utilities: {
filterArray: function(keepArray, removeArray) {
return $.grep(keepArray, function(keepValue) {
return ( $.inArray(keepValue, removeArray) == -1);
});
},
last: function(array) {
return $.isArray(array)
? array[ array.length - 1]
: false
;
},
pathToArray: function(pathName) {
if(pathName === undefined) {
pathName = activeTabPath;
}
return typeof pathName == 'string'
? pathName.split('/')
: [pathName]
;
},
arrayToPath: function(pathArray) {
return $.isArray(pathArray)
? pathArray.join('/')
: false
;
}
},
setting: function(name, value) {
if( $.isPlainObject(name) ) {
$.extend(true, settings, name);
}
else if(value !== undefined) {
settings[name] = value;
}
else {
return settings[name];
}
},
internal: function(name, value) {
if( $.isPlainObject(name) ) {
$.extend(true, module, name);
}
else if(value !== undefined) {
module[name] = value;
}
else {
return module[name];
}
},
debug: function() {
if(settings.debug) {
if(settings.performance) {
module.performance.log(arguments);
}
else {
module.debug = Function.prototype.bind.call(console.info, console, settings.name + ':');
module.debug.apply(console, arguments);
}
}
},
verbose: function() {
if(settings.verbose && settings.debug) {
if(settings.performance) {
module.performance.log(arguments);
}
else {
module.verbose = Function.prototype.bind.call(console.info, console, settings.name + ':');
module.verbose.apply(console, arguments);
}
}
},
error: function() {
module.error = Function.prototype.bind.call(console.error, console, settings.name + ':');
module.error.apply(console, arguments);
},
performance: {
log: function(message) {
var
currentTime,
executionTime,
previousTime
;
if(settings.performance) {
currentTime = new Date().getTime();
previousTime = time || currentTime;
executionTime = currentTime - previousTime;
time = currentTime;
performance.push({
'Element' : element,
'Name' : message[0],
'Arguments' : [].slice.call(message, 1) || '',
'Execution Time' : executionTime
});
}
clearTimeout(module.performance.timer);
module.performance.timer = setTimeout(module.performance.display, 100);
},
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 {
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) {
module.destroy();
}
module.initialize();
}
return (returnedValue !== undefined)
? returnedValue
: this
;
};
// shortcut for tabbed content with no defined navigation
$.tab = function(settings) {
$(window).tab(settings);
};
module.exports.settings = {
name : 'Tab',
debug : false,
verbose : true,
performance : true,
namespace : 'tab',
// only called first time a tab's content is loaded (when remote source)
onTabInit : function(tabPath, parameterArray, historyEvent) {},
// called on every load
onTabLoad : function(tabPath, parameterArray, historyEvent) {},
templates : {
determineTitle: function(tabArray) {}
},
// uses pjax style endpoints fetching content from same url with remote-content headers
auto : false,
history : true,
historyType : 'hash',
path : false,
context : 'body',
// max depth a tab can be nested
maxDepth : 25,
// dont load content on first load
ignoreFirstLoad : false,
// load tab content new every tab click
alwaysRefresh : false,
// cache the content requests to pull locally
cache : true,
// settings for api call
apiSettings : false,
error: {
api : 'You attempted to load content without API module',
method : 'The method you called is not defined',
missingTab : 'Tab cannot be found',
noContent : 'The tab you specified is missing a content url.',
path : 'History enabled, but no path was specified',
recursion : 'Max recursive depth reached',
state : 'The state library has not been initialized'
},
metadata : {
tab : 'tab',
loaded : 'loaded',
promise: 'promise'
},
className : {
loading : 'loading',
active : 'active'
},
selector : {
tabs : '.ui.tab'
}
};
})( require("jquery"), window , document );