算法评测平台前端。
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/*!
* # Semantic UI 2.0.0 - Visit
* http://github.com/semantic-org/semantic-ui/
*
*
* Copyright 2015 Contributors
* Released under the MIT license
* http://opensource.org/licenses/MIT
*
*/
;(function ($, window, document, undefined) {
"use strict";
$.visit = $.fn.visit = function(parameters) {
var
$allModules = $.isFunction(this)
? $(window)
: $(this),
moduleSelector = $allModules.selector || '',
time = new Date().getTime(),
performance = [],
query = arguments[0],
methodInvoked = (typeof query == 'string'),
queryArguments = [].slice.call(arguments, 1),
returnedValue
;
$allModules
.each(function() {
var
settings = ( $.isPlainObject(parameters) )
? $.extend(true, {}, $.fn.visit.settings, parameters)
: $.extend({}, $.fn.visit.settings),
error = settings.error,
namespace = settings.namespace,
eventNamespace = '.' + namespace,
moduleNamespace = namespace + '-module',
$module = $(this),
$displays = $(),
element = this,
instance = $module.data(moduleNamespace),
module
;
module = {
initialize: function() {
if(settings.count) {
module.store(settings.key.count, settings.count);
}
else if(settings.id) {
module.add.id(settings.id);
}
else if(settings.increment && methodInvoked !== 'increment') {
module.increment();
}
module.add.display($module);
module.instantiate();
},
instantiate: function() {
module.verbose('Storing instance of visit module', module);
instance = module;
$module
.data(moduleNamespace, module)
;
},
destroy: function() {
module.verbose('Destroying instance');
$module
.removeData(moduleNamespace)
;
},
increment: function(id) {
var
currentValue = module.get.count(),
newValue = +(currentValue) + 1
;
if(id) {
module.add.id(id);
}
else {
if(newValue > settings.limit && !settings.surpass) {
newValue = settings.limit;
}
module.debug('Incrementing visits', newValue);
module.store(settings.key.count, newValue);
}
},
decrement: function(id) {
var
currentValue = module.get.count(),
newValue = +(currentValue) - 1
;
if(id) {
module.remove.id(id);
}
else {
module.debug('Removing visit');
module.store(settings.key.count, newValue);
}
},
get: {
count: function() {
return +(module.retrieve(settings.key.count)) || 0;
},
idCount: function(ids) {
ids = ids || module.get.ids();
return ids.length;
},
ids: function(delimitedIDs) {
var
idArray = []
;
delimitedIDs = delimitedIDs || module.retrieve(settings.key.ids);
if(typeof delimitedIDs === 'string') {
idArray = delimitedIDs.split(settings.delimiter);
}
module.verbose('Found visited ID list', idArray);
return idArray;
},
storageOptions: function(data) {
var
options = {}
;
if(settings.expires) {
options.expires = settings.expires;
}
if(settings.domain) {
options.domain = settings.domain;
}
if(settings.path) {
options.path = settings.path;
}
return options;
}
},
has: {
visited: function(id, ids) {
var
visited = false
;
ids = ids || module.get.ids();
if(id !== undefined && ids) {
$.each(ids, function(index, value){
if(value == id) {
visited = true;
}
});
}
return visited;
}
},
set: {
count: function(value) {
module.store(settings.key.count, value);
},
ids: function(value) {
module.store(settings.key.ids, value);
}
},
reset: function() {
module.store(settings.key.count, 0);
module.store(settings.key.ids, null);
},
add: {
id: function(id) {
var
currentIDs = module.retrieve(settings.key.ids),
newIDs = (currentIDs === undefined || currentIDs === '')
? id
: currentIDs + settings.delimiter + id
;
if( module.has.visited(id) ) {
module.debug('Unique content already visited, not adding visit', id, currentIDs);
}
else if(id === undefined) {
module.debug('ID is not defined');
}
else {
module.debug('Adding visit to unique content', id);
module.store(settings.key.ids, newIDs);
}
module.set.count( module.get.idCount() );
},
display: function(selector) {
var
$element = $(selector)
;
if($element.length > 0 && !$.isWindow($element[0])) {
module.debug('Updating visit count for element', $element);
$displays = ($displays.length > 0)
? $displays.add($element)
: $element
;
}
}
},
remove: {
id: function(id) {
var
currentIDs = module.get.ids(),
newIDs = []
;
if(id !== undefined && currentIDs !== undefined) {
module.debug('Removing visit to unique content', id, currentIDs);
$.each(currentIDs, function(index, value){
if(value !== id) {
newIDs.push(value);
}
});
newIDs = newIDs.join(settings.delimiter);
module.store(settings.key.ids, newIDs );
}
module.set.count( module.get.idCount() );
}
},
check: {
limit: function(value) {
value = value || module.get.count();
if(settings.limit) {
if(value >= settings.limit) {
module.debug('Pages viewed exceeded limit, firing callback', value, settings.limit);
settings.onLimit.call(element, value);
}
module.debug('Limit not reached', value, settings.limit);
settings.onChange.call(element, value);
}
module.update.display(value);
}
},
update: {
display: function(value) {
value = value || module.get.count();
if($displays.length > 0) {
module.debug('Updating displayed view count', $displays);
$displays.html(value);
}
}
},
store: function(key, value) {
var
options = module.get.storageOptions(value)
;
if(settings.storageMethod == 'localstorage' && window.localStorage !== undefined) {
window.localStorage.setItem(key, value);
module.debug('Value stored using local storage', key, value);
}
else if($.cookie !== undefined) {
$.cookie(key, value, options);
module.debug('Value stored using cookie', key, value, options);
}
else {
module.error(error.noCookieStorage);
return;
}
if(key == settings.key.count) {
module.check.limit(value);
}
},
retrieve: function(key, value) {
var
storedValue
;
if(settings.storageMethod == 'localstorage' && window.localStorage !== undefined) {
storedValue = window.localStorage.getItem(key);
}
// get by cookie
else if($.cookie !== undefined) {
storedValue = $.cookie(key);
}
else {
module.error(error.noCookieStorage);
}
if(storedValue == 'undefined' || storedValue == 'null' || storedValue === undefined || storedValue === null) {
storedValue = undefined;
}
return storedValue;
},
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) {
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.debug) {
if(settings.performance) {
module.performance.log(arguments);
}
else {
module.debug = Function.prototype.bind.call(console.info, console, settings.name + ':');
module.debug.apply(console, arguments);
}
}
},
verbose: function() {
if(settings.verbose && settings.debug) {
if(settings.performance) {
module.performance.log(arguments);
}
else {
module.verbose = Function.prototype.bind.call(console.info, console, settings.name + ':');
module.verbose.apply(console, arguments);
}
}
},
error: function() {
module.error = Function.prototype.bind.call(console.error, console, settings.name + ':');
module.error.apply(console, arguments);
},
performance: {
log: function(message) {
var
currentTime,
executionTime,
previousTime
;
if(settings.performance) {
currentTime = new Date().getTime();
previousTime = time || currentTime;
executionTime = currentTime - previousTime;
time = currentTime;
performance.push({
'Name' : message[0],
'Arguments' : [].slice.call(message, 1) || '',
'Element' : element,
'Execution Time' : executionTime
});
}
clearTimeout(module.performance.timer);
module.performance.timer = setTimeout(module.performance.display, 500);
},
display: function() {
var
title = settings.name + ':',
totalTime = 0
;
time = false;
clearTimeout(module.performance.timer);
$.each(performance, function(index, data) {
totalTime += data['Execution Time'];
});
title += ' ' + totalTime + 'ms';
if(moduleSelector) {
title += ' \'' + moduleSelector + '\'';
}
if($allModules.length > 1) {
title += ' ' + '(' + $allModules.length + ')';
}
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) {
instance.invoke('destroy');
}
module.initialize();
}
})
;
return (returnedValue !== undefined)
? returnedValue
: this
;
};
$.fn.visit.settings = {
name : 'Visit',
debug : false,
verbose : false,
performance : true,
namespace : 'visit',
increment : false,
surpass : false,
count : false,
limit : false,
delimiter : '&',
storageMethod : 'localstorage',
key : {
count : 'visit-count',
ids : 'visit-ids'
},
expires : 30,
domain : false,
path : '/',
onLimit : function() {},
onChange : function() {},
error : {
method : 'The method you called is not defined',
missingPersist : 'Using the persist setting requires the inclusion of PersistJS',
noCookieStorage : 'The default storage cookie requires $.cookie to be included.'
}
};
})( jQuery, window , document );