From b96476d1006af88e5c294b48941f016bd40a578d Mon Sep 17 00:00:00 2001 From: kataras Date: Fri, 18 Aug 2017 17:09:18 +0300 Subject: [PATCH] Update to 8.3.0 | MVC Models and Bindings and fix of #723 , read HISTORY.md Former-commit-id: d8f66d8d370c583a288333df2a14c6ee2dc56466 --- ACQUIRED_HISTORY.md | 89 - HISTORY.md | 225 +- README.md | 54 +- VERSION | 2 +- _examples/README.md | 65 +- _examples/hello-world/main.go | 4 +- .../controller-with-model-and-view/main.go | 99 + .../views/profile/index.html | 13 + .../views/profile/me.html | 13 + .../views/profile/notfound.html | 13 + .../views/profile/profile.html | 13 + _examples/mvc/hello-world/main.go | 105 + _examples/mvc/session-controller/main.go | 47 + _examples/mvc/web_mvc_diagram.png | Bin 0 -> 25515 bytes _examples/routing/mvc/controllers/index.go | 18 - .../routing/mvc/controllers/index_go19.go | 18 - _examples/routing/mvc/controllers/user.go | 62 - .../routing/mvc/controllers/user_go19.go | 81 - _examples/routing/mvc/main.go | 25 - _examples/routing/mvc/main_go19.go | 28 - _examples/routing/mvc/models/user.go | 15 - _examples/routing/mvc/persistence/database.go | 10 - _examples/routing/mvc/views/index.html | 11 - _examples/routing/mvc/views/user/index.html | 18 - _examples/tutorial/mvc-from-scratch/README.md | 171 +- .../websocket/third-party-socketio/main.go | 44 + .../third-party-socketio/public/index.html | 38 + .../public/jquery-1.11.1.js | 10309 ++++++++++++++++ .../public/socket.io-1.3.7.js | 3 + configuration.go | 14 +- context.go | 11 +- context/context.go | 4 +- context/gzip_response_writer.go | 49 +- core/router/api_builder.go | 96 +- core/router/controller.go | 290 - core/router/controller_test.go | 152 - core/router/party.go | 45 +- core/router/status.go | 1 + doc.go | 180 +- faq.md | 38 + iris.go | 16 +- mvc/activator/activator.go | 312 + mvc/activator/binder.go | 118 + mvc/activator/callable_control.go | 53 + mvc/activator/method_control.go | 81 + mvc/activator/model_control.go | 54 + mvc/activator/persistence_data_control.go | 103 + mvc/controller.go | 129 + mvc/controller_test.go | 284 + mvc/session_controller.go | 35 + sessions/session.go | 7 +- version.go | 17 +- view/view.go | 6 + 53 files changed, 12642 insertions(+), 1046 deletions(-) delete mode 100644 ACQUIRED_HISTORY.md create mode 100644 _examples/mvc/controller-with-model-and-view/main.go create mode 100644 _examples/mvc/controller-with-model-and-view/views/profile/index.html create mode 100644 _examples/mvc/controller-with-model-and-view/views/profile/me.html create mode 100644 _examples/mvc/controller-with-model-and-view/views/profile/notfound.html create mode 100644 _examples/mvc/controller-with-model-and-view/views/profile/profile.html create mode 100644 _examples/mvc/hello-world/main.go create mode 100644 _examples/mvc/session-controller/main.go create mode 100644 _examples/mvc/web_mvc_diagram.png delete mode 100644 _examples/routing/mvc/controllers/index.go delete mode 100644 _examples/routing/mvc/controllers/index_go19.go delete mode 100644 _examples/routing/mvc/controllers/user.go delete mode 100644 _examples/routing/mvc/controllers/user_go19.go delete mode 100644 _examples/routing/mvc/main.go delete mode 100644 _examples/routing/mvc/main_go19.go delete mode 100644 _examples/routing/mvc/models/user.go delete mode 100644 _examples/routing/mvc/persistence/database.go delete mode 100644 _examples/routing/mvc/views/index.html delete mode 100644 _examples/routing/mvc/views/user/index.html create mode 100644 _examples/websocket/third-party-socketio/main.go create mode 100644 _examples/websocket/third-party-socketio/public/index.html create mode 100644 _examples/websocket/third-party-socketio/public/jquery-1.11.1.js create mode 100644 _examples/websocket/third-party-socketio/public/socket.io-1.3.7.js delete mode 100644 core/router/controller.go delete mode 100644 core/router/controller_test.go create mode 100644 faq.md create mode 100644 mvc/activator/activator.go create mode 100644 mvc/activator/binder.go create mode 100644 mvc/activator/callable_control.go create mode 100644 mvc/activator/method_control.go create mode 100644 mvc/activator/model_control.go create mode 100644 mvc/activator/persistence_data_control.go create mode 100644 mvc/controller.go create mode 100644 mvc/controller_test.go create mode 100644 mvc/session_controller.go diff --git a/ACQUIRED_HISTORY.md b/ACQUIRED_HISTORY.md deleted file mode 100644 index 844f3975..00000000 --- a/ACQUIRED_HISTORY.md +++ /dev/null @@ -1,89 +0,0 @@ -# 10 July 2017 - -## 📈 One and a half years with Iris and You... - -- 7070 github stars -- 749 github forks -- 1m total views at its documentation -- ~800$ at donations (there're a lot for a golang open-source project, thanks to you) -- ~550 reported bugs fixed -- ~30 community feature requests have been implemented - -## 🔥 Reborn - -As you may have heard I have huge responsibilities on my new position at Dubai nowadays, therefore I don't have the needed time to work on this project anymore. - -After almost a month of negotiations and searching I succeed to find a decent software engineer to continue my work on the open source community. - -The leadership of this, open-source, repository was transferred to [hiveminded](https://github.com/hiveminded). - -These types of projects need heart and sacrifices to continue offer the best developer experience like a paid software, please do support him as you did with me! - -# 02 July 2017 - -### DEPRECATED - -Iris has been acquired so development is up to the community, there are two active iris-based communities so far. - -Use one of these projects instead: - -https://github.com/get-ion/ion - -**Ion is a fast, simple and efficient micro web framework for Go. It provides a beautifully expressive and easy to use foundation for your next website, API, or distributed app.** - -- a bit faster than Iris version 7, based on `ab` -- stable api -- more examples -- sessions, websockets, typescript and cloud editor(fixed) on different packages -- test cov, including examples -- slack bot for support automation -- has a FAQ page which is part of the gitbook.com beta program -- central issue portal -- HuHu supported - -https://github.com/go-siris/siris - -**A fast, cross-platform and efficient web framework with robust set of well-designed features, written entirely in Go.** - -- three maintainers -- plan to stabilize api, no unneeded changes -- plan to increase test-coverage -- plan to add more middlewares and examples - - -> If your team's project is missing from this list, please contact with me. - -# 17 June 2017 - -### IRIS HAS BEEN ACQUIRED - -Iris project has been acquired by a Dubai-based startup. - -Both sides agree that every related public data should remain open for at least 30 days. - -After the period of 30 days, company has the proprietary rights to delete or transfer this repository and all its related public data forever without any warnings. - -The company may or may not reveal its true identity to the public. - -Transaction of the public domains still in-progress: - -- http://iris-go.com -- https://kataras.rocket.chat/channel/iris - -View-accessed users can clone the current state of the project's public repositories and use without any warranties. - -From now on, Original Author owns a high position to the company's table. - -At any circumstances, - -Original Author keeps the creation rights. - -### About the future of Iris - -Clone the repository today because if I can't find a new lead maintainer for the [v7.2](https://github.com/kataras/iris-v7-29d) you, as community, will have to find a way to communicate about its future, the name "iris go" was taken by the company too, so it will be nice if the future main contributor change its name too, if you don't do it I will not beat you but I don't know the full company's law-plan for this, yet. - -All donators, without any exception, will have my support for at least 6 months (for all iris versions), we have a private room at the [chat](https://kataras.rocket.chat/channel/iris). - -Don't worry **I will not let you down**, we're trying to find a decent open-source contributor to continue the Iris' open-source codebase. I'm already in touch with some good gophers but **If you're willing to maintain this project** please [send](#contact) me details about your experience, general bio and your github username. - -**I am really thankful for all of your support to me and the community, all donations, all bug reports, all comments without any exception. I did proceeded with all my physical abilities so far but unfortunately there weren't enough for my survivor. I'm really sorry if the latest news made iris open-source community disappointed but you have to see things from my point view, I was one step before bankruptcy, I had no other choice but accept the offer.** \ No newline at end of file diff --git a/HISTORY.md b/HISTORY.md index f3db04c7..ea14693c 100644 --- a/HISTORY.md +++ b/HISTORY.md @@ -18,6 +18,223 @@ Developers are not forced to upgrade if they don't really need it. Upgrade whene **How to upgrade**: Open your command-line and execute this command: `go get -u github.com/kataras/iris`. +# Fr, 18 August 2017 | v8.3.0 + +Good news for devs that are used to write their web apps using the `MVC` architecture pattern. + +Implement a whole new `mvc` package with additional support for models and easy binding. + +@kataras started to develop that feature by version 8.2.5, back then it didn't seem +to be a large feature and maybe a game-changer, so it lived inside the `kataras/iris/core/router/controller.go` file. +However with this version, so many things are implemented for the MVC and we needed a new whole package, +this new package is the `kataras/iris/mvc`, but if you used go 1.9 to build then you don't have to do any refactor, you could use the `iris.Controller` type alias. + +People who used the mvc from its baby steps(v8.2.5) the only syntactic change you'll have to do is to rename the `router.Controller` to `mvc.Controller`: + +Before: +```go +import "github.com/kataras/iris/core/router" +type MyController struct { + router.Controller +} +``` +Now: +```go +import "github.com/kataras/iris/mvc" +type MyController struct { + mvc.Controller + // if you build with go1.9 you can omit the import of mvc package + // and just use `iris.Controller` instead. +} +``` + +### MVC (Model View Controller) + +![](_examples/mvc/web_mvc_diagram.png) + +From version 8.3 and after Iris has **first-class support for the MVC pattern**, you'll not find +these stuff anywhere else in the Go world. + + +Example Code + + +```go +package main + +import ( + "sync" + + "github.com/kataras/iris" + "github.com/kataras/iris/mvc" +) + +func main() { + app := iris.New() + app.RegisterView(iris.HTML("./views", ".html")) + + // when we have a path separated by spaces + // then the Controller is registered to all of them one by one. + // + // myDB is binded to the controller's `*DB` field: use only structs and pointers. + app.Controller("/profile /profile/browse /profile/{id:int} /profile/me", + new(ProfileController), myDB) // IMPORTANT + + app.Run(iris.Addr(":8080")) +} + +// UserModel our example model which will render on the template. +type UserModel struct { + ID int64 + Username string +} + +// DB is our example database. +type DB struct { + usersTable map[int64]UserModel + mu sync.RWMutex +} + +// GetUserByID imaginary database lookup based on user id. +func (db *DB) GetUserByID(id int64) (u UserModel, found bool) { + db.mu.RLock() + u, found = db.usersTable[id] + db.mu.RUnlock() + return +} + +var myDB = &DB{ + usersTable: map[int64]UserModel{ + 1: {1, "kataras"}, + 2: {2, "makis"}, + 42: {42, "jdoe"}, + }, +} + +// ProfileController our example user controller which controls +// the paths of "/profile" "/profile/{id:int}" and "/profile/me". +type ProfileController struct { + mvc.Controller // IMPORTANT + + User UserModel `iris:"model"` + // we will bind it but you can also tag it with`iris:"persistence"` + // and init the controller with manual &PorifleController{DB: myDB}. + DB *DB +} + +// Get method handles all "GET" HTTP Method requests of the controller's paths. +func (pc *ProfileController) Get() { // IMPORTANT + path := pc.Path + + // requested: /profile path + if path == "/profile" { + pc.Tmpl = "profile/index.html" + return + } + // requested: /profile/browse + // this exists only to proof the concept of changing the path: + // it will result to a redirection. + if path == "/profile/browse" { + pc.Path = "/profile" + return + } + + // requested: /profile/me path + if path == "/profile/me" { + pc.Tmpl = "profile/me.html" + return + } + + // requested: /profile/$ID + id, _ := pc.Params.GetInt64("id") + + user, found := pc.DB.GetUserByID(id) + if !found { + pc.Status = iris.StatusNotFound + pc.Tmpl = "profile/notfound.html" + pc.Data["ID"] = id + return + } + + pc.Tmpl = "profile/profile.html" + pc.User = user +} + + +/* +func (pc *ProfileController) Post() {} +func (pc *ProfileController) Put() {} +func (pc *ProfileController) Delete() {} +func (pc *ProfileController) Connect() {} +func (pc *ProfileController) Head() {} +func (pc *ProfileController) Patch() {} +func (pc *ProfileController) Options() {} +func (pc *ProfileController) Trace() {} +*/ + +/* +func (pc *ProfileController) All() {} +// OR +func (pc *ProfileController) Any() {} +*/ +``` + +Iris web framework supports Request data, Models, Persistence Data and Binding +with the fastest possible execution. + +**Characteristics** + +All HTTP Methods are supported, for example if want to serve `GET` +then the controller should have a function named `Get()`, +you can define more than one method function to serve in the same Controller struct. + +Persistence data inside your Controller struct (share data between requests) +via `iris:"persistence"` tag right to the field or Bind using `app.Controller("/" , new(myController), theBindValue)`. + +Models inside your Controller struct (set-ed at the Method function and rendered by the View) +via `iris:"model"` tag right to the field, i.e ```User UserModel `iris:"model" name:"user"` ``` view will recognise it as `{{.user}}`. +If `name` tag is missing then it takes the field's name, in this case the `"User"`. + +Access to the request path and its parameters via the `Path and Params` fields. + +Access to the template file that should be rendered via the `Tmpl` field. + +Access to the template data that should be rendered inside +the template file via `Data` field. + +Access to the template layout via the `Layout` field. + +Access to the low-level `context.Context` via the `Ctx` field. + +Flow as you used to, `Controllers` can be registered to any `Party`, +including Subdomains, the Party's begin and done handlers work as expected. + +Optional `BeginRequest(ctx)` function to perform any initialization before the method execution, +useful to call middlewares or when many methods use the same collection of data. + +Optional `EndRequest(ctx)` function to perform any finalization after any method executed. + +Inheritance, see for example our `mvc.SessionController`, it has the `mvc.Controller` as an embedded field +and it adds its logic to its `BeginRequest`, [here](https://github.com/kataras/iris/blob/master/mvc/session_controller.go). + +**Using Iris MVC for code reuse** + +By creating components that are independent of one another, developers are able to reuse components quickly and easily in other applications. The same (or similar) view for one application can be refactored for another application with different data because the view is simply handling how the data is being displayed to the user. + +If you're new to back-end web development read about the MVC architectural pattern first, a good start is that [wikipedia article](https://en.wikipedia.org/wiki/Model%E2%80%93view%E2%80%93controller). + + +Follow the examples below, + +- [Hello world](_examples/mvc/hello-world/main.go) +- [Session Controller](_examples/mvc/session-controller/main.go) +- [A simple but featured Controller with model and views](_examples/mvc/controller-with-model-and-view). + +### Bugs + +Fix [#723](https://github.com/kataras/iris/issues/723) reported by @speedwheel. + + # Mo, 14 August 2017 | v8.2.6 Able to call done/end handlers inside a `Controller`, via optional `EndRequest(ctx context.Context)` function inside the controller struct. @@ -49,8 +266,8 @@ Our `Controller` supports many things among them are: - all HTTP Methods are supported, for example if want to serve `GET` then the controller should have a function named `Get()`, you can define more than one method function to serve in the same Controller struct - `persistence` data inside your Controller struct (share data between requests) via **`iris:"persistence"`** tag right to the field -- optional `Init(ctx) or BeginRequest(ctx)` function to perform any initialization before the methods, useful to call middlewares or when many methods use the same collection of data -- optional `Done(ctx) or EndRequest(ctx)` function to perform any finalization after the methods executed +- optional `BeginRequest(ctx)` function to perform any initialization before the methods, useful to call middlewares or when many methods use the same collection of data +- optional `EndRequest(ctx)` function to perform any finalization after the methods executed - access to the request path parameters via the `Params` field - access to the template file that should be rendered via the `Tmpl` field - access to the template data that should be rendered inside the template file via `Data` field @@ -96,7 +313,7 @@ import ( // Index is our index example controller. type Index struct { - router.Controller + mvc.Controller // if you're using go1.9: // you can omit the /core/router import statement // and just use the `iris.Controller` instead. @@ -116,7 +333,7 @@ func (c *Index) Post() {} > Tip: declare a func(c *Index) All() {} or Any() to register all HTTP Methods. -A full example can be found at the [_examples/routing/mvc](_examples/routing/mvc) folder. +A full example can be found at the [_examples/mvc](_examples/mvc) folder. # Sa, 12 August 2017 | v8.2.4 diff --git a/README.md b/README.md index 9b118b59..687f9f6c 100644 --- a/README.md +++ b/README.md @@ -4,9 +4,22 @@

+**Powered by [KeyCDN](https://www.keycdn.com/)**, A Simple, Fast and Reliable CDN. + Iris is a fast, simple and efficient micro web framework for Go. It provides a beautifully expressive and easy to use foundation for your next website, API, or distributed app. -[Star or watch](https://github.com/kataras/iris/stargazers) this repository, it is still in **active development mode**. +We have no doubt you will able to find other web frameworks written in Golang +and even put a real fight to learn and use them for quite some time but +make no mistake, sooner or later you'll be using Iris, no because of the ergonomic high-performant solution that it provides but its well-documented unique features are these will transform you to a real rockstar geek. + +No matter what you're trying to build, Iris takes cover +every type of applications, from micro services to large monolithic web applications. +It's actually the best piece of software for back-end web developers +you could ever find online. + +Iris may have reached version 8, but we're not stopping there. We have many feature ideas on our board that we're anxious to add and other innovative web development solutions that we're planning to build into Iris. + +[Star or watch](https://github.com/kataras/iris/stargazers) this repository to stay updated at general technology progress. It's the only thing we ask from you, it's our sign. [![build status](https://img.shields.io/travis/kataras/iris/master.svg?style=flat-square)](https://travis-ci.org/kataras/iris) @@ -18,7 +31,6 @@ Iris is a fast, simple and efficient micro web framework for Go. It provides a b -

Third-party source for transparency.

@@ -30,7 +42,8 @@ Iris is a fast, simple and efficient micro web framework for Go. It provides a b * [Learn](#-learn) * [HTTP Listening](_examples/#http-listening) * [Configuration](_examples/#configuration) - * [Routing, Grouping, Controllers, Dynamic Path Parameters, "Macros" and Custom Context](_examples/#routing-grouping-dynamic-path-parameters-macros-and-custom-context) + * [Routing, Grouping, Dynamic Path Parameters, "Macros" and Custom Context](_examples/#routing-grouping-dynamic-path-parameters-macros-and-custom-context) + * [MVC (Model View Controller)](_examples/#mvc) * [Subdomains](_examples/#subdomains) * [Wrap `http.Handler/HandlerFunc`](_examples/#convert-httphandlerhandlerfunc) * [View](_examples/#view) @@ -248,7 +261,7 @@ Compared to the rest open source projects, this one is very active and you get a * Remove trailing slash from the URL with option to redirect * Virtual hosts and subdomains made easy * Group API's and static or even dynamic subdomains - * MVC [**NEW**](_examples/routing/mvc) + * MVC [**NEW**](_examples/mvc) * `net/http` and `negroni-like` handlers are compatible via `iris.FromStd` * Register custom handlers for any HTTP error * Transactions and rollback when you need it @@ -313,17 +326,19 @@ The most useful community repository for _iris_ developers is the $ go get -u github.com/iris-contrib/middleware/... ``` -#### 📈 One and a half years with You... +#### 📈 One and a half years... -- 7210 github stars +[![total used by](http://iris-go.com/graph?style=flat-square)](http://iris-go.com/graph) + +Iris exceeded all expectations, started as one-man project. + +- 7288 github stars - 766 github forks - 1m total views at its documentation -- ~800$ at donations (there're a lot for a golang open-source project, thanks to you) +- ~800$ at donations, small amount for the work we put here but it's a good start - ~554 reported bugs fixed - ~30 community feature requests have been implemented -Thank You for your trust! - ### 📌 Version Current: [VERSION](VERSION) @@ -354,12 +369,23 @@ Employers that are looking for brilliant Software Engineers with good experience ### 🥇 People -The original author of _iris_ is [Gerasimos Maropoulos](https://medium.com/@kataras) +The original author of _Iris_ is [@kataras](https://github.com/kataras), you can reach him via +- [Medium](https://medium.com/@kataras) +- [Twitter](https://twitter.com/makismaropoulos) +- [Dev.to](https://dev.to/@kataras) +- [Facebook](https://facebook.com/kataras.gopher) +- [Mail](mailto:kataras2006@hotmail.com?subject=Iris%20I%20need%20some%20help%20please) -The current lead maintainer is [Bill Qeras, Jr.](https://github.com/hiveminded) +[List of all Authors](AUTHORS) -[List of all contributors](https://github.com/kataras/iris/graphs/contributors) +[List of all Contributors](https://github.com/kataras/iris/graphs/contributors) -Help this project to continue deliver awesome and unique features with the higher code quality as possible +Help this project to continue deliver awesome and unique features with the higher code quality as possible by donating any amount -[![](https://www.paypalobjects.com/en_US/i/btn/btn_donateCC_LG.gif)](https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=kataras2006%40hotmail%2ecom&lc=GR&item_name=Iris%20web%20framework&item_number=iriswebframeworkdonationid2016¤cy_code=EUR&bn=PP%2dDonationsBF%3abtn_donateCC_LG%2egif%3aNonHosted) \ No newline at end of file +[![](https://www.paypalobjects.com/en_US/i/btn/btn_donateCC_LG.gif)](https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=kataras2006%40hotmail%2ecom&lc=GR&item_name=Iris%20web%20framework&item_number=iriswebframeworkdonationid2016¤cy_code=EUR&bn=PP%2dDonationsBF%3abtn_donateCC_LG%2egif%3aNonHosted) + +## License + +This software is licensed under the open-source 3-Clause BSD. + +You can find the license file [here](LICENSE), for any questions regarding the license please [contact](mailto:kataras2006@hotmail.com?subject=Iris%20License) us. \ No newline at end of file diff --git a/VERSION b/VERSION index 98f0b636..74455118 100644 --- a/VERSION +++ b/VERSION @@ -1 +1 @@ -8.2.6:https://github.com/kataras/iris/blob/master/HISTORY.md#mo-14-august-2017--v826 \ No newline at end of file +8.3.0:https://github.com/kataras/iris/blob/master/HISTORY.md#fr-18-august-2017--v830 \ No newline at end of file diff --git a/_examples/README.md b/_examples/README.md index 32ee5fb5..4a25e898 100644 --- a/_examples/README.md +++ b/_examples/README.md @@ -82,7 +82,7 @@ Navigate through examples for a better understanding. - [Overview](routing/overview/main.go) - [Basic](routing/basic/main.go) -- [Controllers](routing/mvc) +- [Controllers](mvc) - [Custom HTTP Errors](routing/http-errors/main.go) - [Dynamic Path](routing/dynamic-path/main.go) * [root level wildcard path](routing/dynamic-path/root-wildcard/main.go) @@ -93,6 +93,66 @@ Navigate through examples for a better understanding. * [new implementation](routing/custom-context/new-implementation/main.go) - [Route State](routing/route-state/main.go) +### MVC + +![](mvc/web_mvc_diagram.png) + +Iris has **first-class support for the MVC (Model View Controller) pattern**, you'll not find +these stuff anywhere else in the Go world. + +Iris web framework supports Request data, Models, Persistence Data and Binding +with the fastest possible execution. + +**Characteristics** + +All HTTP Methods are supported, for example if want to serve `GET` +then the controller should have a function named `Get()`, +you can define more than one method function to serve in the same Controller struct. + +Persistence data inside your Controller struct (share data between requests) +via `iris:"persistence"` tag right to the field or Bind using `app.Controller("/" , new(myController), theBindValue)`. + +Models inside your Controller struct (set-ed at the Method function and rendered by the View) +via `iris:"model"` tag right to the field, i.e ```User UserModel `iris:"model" name:"user"` ``` view will recognise it as `{{.user}}`. +If `name` tag is missing then it takes the field's name, in this case the `"User"`. + +Access to the request path and its parameters via the `Path and Params` fields. + +Access to the template file that should be rendered via the `Tmpl` field. + +Access to the template data that should be rendered inside +the template file via `Data` field. + +Access to the template layout via the `Layout` field. + +Access to the low-level `context.Context` via the `Ctx` field. + +Flow as you used to, `Controllers` can be registered to any `Party`, +including Subdomains, the Party's begin and done handlers work as expected. + +Optional `BeginRequest(ctx)` function to perform any initialization before the method execution, +useful to call middlewares or when many methods use the same collection of data. + +Optional `EndRequest(ctx)` function to perform any finalization after any method executed. + +Inheritance, see for example our `mvc.SessionController`, it has the `mvc.Controller` as an embedded field +and it adds its logic to its `BeginRequest`, [here](https://github.com/kataras/iris/blob/master/mvc/session_controller.go). + +**Using Iris MVC for code reuse** + +By creating components that are independent of one another, developers are able to reuse components quickly and easily in other applications. The same (or similar) view for one application can be refactored for another application with different data because the view is simply handling how the data is being displayed to the user. + +If you're new to back-end web development read about the MVC architectural pattern first, a good start is that [wikipedia article](https://en.wikipedia.org/wiki/Model%E2%80%93view%E2%80%93controller). + + +Follow the examples below, + +- [Hello world](mvc/hello-world/main.go) +- [Session Controller](mvc/session-controller/main.go) +- [A simple but featured Controller with model and views](mvc/controller-with-model-and-view). + + + ### Subdomains - [Single](subdomains/single/main.go) @@ -213,11 +273,14 @@ iris session manager lives on its own [package](https://github.com/kataras/iris/ iris websocket library lives on its own [package](https://github.com/kataras/iris/tree/master/websocket). +The package is designed to work with raw websockets although its API is similar to the famous [socket.io](https://socket.io). I have read an article recently and I felt very contented about my decision to design a **fast** websocket-**only** package for Iris and not a backwards socket.io-like package. You can read that article by following this link: https://medium.com/@ivanderbyl/why-you-don-t-need-socket-io-6848f1c871cd. + - [Chat](websocket/chat/main.go) - [Native Messages](websocket/native-messages/main.go) - [Connection List](websocket/connectionlist/main.go) - [TLS Enabled](websocket/secure/main.go) - [Custom Raw Go Client](websocket/custom-go-client/main.go) +- [Third-Party socket.io](websocket/third-party-socketio/main.go) > You're free to use your own favourite websockets package if you'd like so. diff --git a/_examples/hello-world/main.go b/_examples/hello-world/main.go index b5b38874..ea2713bc 100644 --- a/_examples/hello-world/main.go +++ b/_examples/hello-world/main.go @@ -5,13 +5,13 @@ package main import ( "github.com/kataras/iris" "github.com/kataras/iris/context" + "github.com/kataras/iris/middleware/logger" "github.com/kataras/iris/middleware/recover" ) func main() { app := iris.New() - // Optionally, add two built'n handlers // that can recover from any http-relative panics // and log the requests to the terminal. @@ -21,7 +21,7 @@ func main() { // Method: GET // Resource: http://localhost:8080/ app.Handle("GET", "/", func(ctx context.Context) { - ctx.HTML("Hello world!") + ctx.HTML("Welcome!") }) // same as app.Handle("GET", "/ping", [...]) diff --git a/_examples/mvc/controller-with-model-and-view/main.go b/_examples/mvc/controller-with-model-and-view/main.go new file mode 100644 index 00000000..39e7c578 --- /dev/null +++ b/_examples/mvc/controller-with-model-and-view/main.go @@ -0,0 +1,99 @@ +package main + +import ( + "sync" + + "github.com/kataras/iris" + "github.com/kataras/iris/mvc" +) + +func main() { + app := iris.New() + app.RegisterView(iris.HTML("./views", ".html")) + + // when we have a path separated by spaces + // then the Controller is registered to all of them one by one. + // + // myDB is binded to the controller's `*DB` field: use only structs and pointers. + app.Controller("/profile /profile/browse /profile/{id:int} /profile/me", + new(ProfileController), myDB) // IMPORTANT + + app.Run(iris.Addr(":8080")) +} + +// UserModel our example model which will render on the template. +type UserModel struct { + ID int64 + Username string +} + +// DB is our example database. +type DB struct { + usersTable map[int64]UserModel + mu sync.RWMutex +} + +// GetUserByID imaginary database lookup based on user id. +func (db *DB) GetUserByID(id int64) (u UserModel, found bool) { + db.mu.RLock() + u, found = db.usersTable[id] + db.mu.RUnlock() + return +} + +var myDB = &DB{ + usersTable: map[int64]UserModel{ + 1: {1, "kataras"}, + 2: {2, "makis"}, + 42: {42, "jdoe"}, + }, +} + +// ProfileController our example user controller which controls +// the paths of "/profile" "/profile/{id:int}" and "/profile/me". +type ProfileController struct { + mvc.Controller // IMPORTANT + + User UserModel `iris:"model"` + // we will bind it but you can also tag it with`iris:"persistence"` + // and init the controller with manual &PorifleController{DB: myDB}. + DB *DB +} + +// Get method handles all "GET" HTTP Method requests of the controller's paths. +func (pc *ProfileController) Get() { // IMPORTANT + path := pc.Path + + // requested: /profile path + if path == "/profile" { + pc.Tmpl = "profile/index.html" + return + } + // requested: /profile/browse + // this exists only to proof the concept of changing the path: + // it will result to a redirection. + if path == "/profile/browse" { + pc.Path = "/profile" + return + } + + // requested: /profile/me path + if path == "/profile/me" { + pc.Tmpl = "profile/me.html" + return + } + + // requested: /profile/$ID + id, _ := pc.Params.GetInt64("id") + + user, found := pc.DB.GetUserByID(id) + if !found { + pc.Status = iris.StatusNotFound + pc.Tmpl = "profile/notfound.html" + pc.Data["ID"] = id + return + } + + pc.Tmpl = "profile/profile.html" + pc.User = user +} diff --git a/_examples/mvc/controller-with-model-and-view/views/profile/index.html b/_examples/mvc/controller-with-model-and-view/views/profile/index.html new file mode 100644 index 00000000..7a97e7df --- /dev/null +++ b/_examples/mvc/controller-with-model-and-view/views/profile/index.html @@ -0,0 +1,13 @@ + + + + Profile Browser + + + +

+ This is the main page of the /profile path, we'd use that to browser profiles. +

+ + + \ No newline at end of file diff --git a/_examples/mvc/controller-with-model-and-view/views/profile/me.html b/_examples/mvc/controller-with-model-and-view/views/profile/me.html new file mode 100644 index 00000000..f60f998c --- /dev/null +++ b/_examples/mvc/controller-with-model-and-view/views/profile/me.html @@ -0,0 +1,13 @@ + + + + My Profile + + + +

+ This is the current's user imaginary profile space. +

+ + + \ No newline at end of file diff --git a/_examples/mvc/controller-with-model-and-view/views/profile/notfound.html b/_examples/mvc/controller-with-model-and-view/views/profile/notfound.html new file mode 100644 index 00000000..ca4b1986 --- /dev/null +++ b/_examples/mvc/controller-with-model-and-view/views/profile/notfound.html @@ -0,0 +1,13 @@ + + + + Not Found + + + +

+ User with {{.ID}} doesn't exist! +

+ + + \ No newline at end of file diff --git a/_examples/mvc/controller-with-model-and-view/views/profile/profile.html b/_examples/mvc/controller-with-model-and-view/views/profile/profile.html new file mode 100644 index 00000000..3d16a91e --- /dev/null +++ b/_examples/mvc/controller-with-model-and-view/views/profile/profile.html @@ -0,0 +1,13 @@ + + + + Profile of {{.User.Username}} + + + +

+ This is the profile of a user with ID: {{.User.ID}} and Username: {{.User.Username}} +

+ + + \ No newline at end of file diff --git a/_examples/mvc/hello-world/main.go b/_examples/mvc/hello-world/main.go new file mode 100644 index 00000000..8797db87 --- /dev/null +++ b/_examples/mvc/hello-world/main.go @@ -0,0 +1,105 @@ +package main + +import ( + "github.com/kataras/iris" + "github.com/kataras/iris/mvc" + + "github.com/kataras/iris/middleware/logger" + "github.com/kataras/iris/middleware/recover" +) + +// This example is equivalent to the +// https://github.com/kataras/iris/blob/master/_examples/hello-world/main.go +// +// It seems that additional code you +// have to write doesn't worth it +// but remember that, this example +// does not make use of iris mvc features like +// the Model, Persistence or the View engine neither the Session, +// it's very simple for learning purposes, +// probably you'll never use such +// as simple controller anywhere in your app. +// +// The cost we have on this example for using MVC +// on the "/hello" path which serves JSON +// is ~2MB per 20MB throughput on my personal laptop, +// it's tolerated for the majority of the applications +// but you can choose +// what suits you best with Iris, low-level handlers: performance +// or high-level controllers: easier to maintain and smaller codebase on large applications. + +func main() { + app := iris.New() + // Optionally, add two built'n handlers + // that can recover from any http-relative panics + // and log the requests to the terminal. + app.Use(recover.New()) + app.Use(logger.New()) + + app.Controller("/", new(IndexController)) + app.Controller("/ping", new(PingController)) + app.Controller("/hello", new(HelloController)) + + // http://localhost:8080 + // http://localhost:8080/ping + // http://localhost:8080/hello + app.Run(iris.Addr(":8080")) +} + +// IndexController serves the "/". +type IndexController struct { + // if you build with go1.9 you can omit the import of mvc package + // and just use `iris.Controller` instead. + mvc.Controller +} + +// Get serves +// Method: GET +// Resource: http://localhost:8080/ +func (c *IndexController) Get() { + c.Ctx.HTML("Welcome!") +} + +// PingController serves the "/ping". +type PingController struct { + mvc.Controller +} + +// Get serves +// Method: GET +// Resource: http://context:8080/ping +func (c *PingController) Get() { + c.Ctx.WriteString("pong") +} + +// HelloController serves the "/hello". +type HelloController struct { + mvc.Controller +} + +// Get serves +// Method: GET +// Resource: http://localhost:8080/hello +func (c *HelloController) Get() { + c.Ctx.JSON(iris.Map{"message": "Hello iris web framework."}) +} + +/* Can use more than one, the factory will make sure +that the correct http methods are being registered for each route +for this controller, uncomment these if you want: + +func (c *HelloController) Post() {} +func (c *HelloController) Put() {} +func (c *HelloController) Delete() {} +func (c *HelloController) Connect() {} +func (c *HelloController) Head() {} +func (c *HelloController) Patch() {} +func (c *HelloController) Options() {} +func (c *HelloController) Trace() {} +*/ + +/* +func (c *HelloController) All() {} +// OR +func (c *HelloController) Any() {} +*/ diff --git a/_examples/mvc/session-controller/main.go b/_examples/mvc/session-controller/main.go new file mode 100644 index 00000000..0e3e16d4 --- /dev/null +++ b/_examples/mvc/session-controller/main.go @@ -0,0 +1,47 @@ +package main + +import ( + "time" + + "github.com/kataras/iris" + "github.com/kataras/iris/mvc" + + "github.com/kataras/iris/sessions" +) + +type VisitController struct { + // if you build with go1.9 you can omit the import of mvc package + // and just use `iris.Controller` instead. + mvc.SessionController + + StartTime time.Time +} + +func (u *VisitController) Get() { + // get the visits, before calcuate this new one. + visits, _ := u.Session.GetIntDefault("visits", 0) + + // increment the visits counter and set them to the session. + visits++ + u.Session.Set("visits", visits) + + // write the current, updated visits + u.Ctx.Writef("%d visits in %0.1f seconds", visits, time.Now().Sub(u.StartTime).Seconds()) +} + +func main() { + mySessionManager := sessions.New(sessions.Config{Cookie: "mysession_cookie_name"}) + + app := iris.New() + + // bind our session manager, which is required, to the `VisitController.SessionManager.Manager` + // and the time.Now() to the `VisitController.StartTime`. + app.Controller("/", new(VisitController), mySessionManager, time.Now()) + + // 1. open the browser (no in private mode) + // 2. navigate to http://localhost:8080 + // 3. refresh the page some times + // 4. close the browser + // 5. re-open the browser and re-play 2. + app.Run(iris.Addr(":8080"), iris.WithoutVersionChecker) +} diff --git a/_examples/mvc/web_mvc_diagram.png b/_examples/mvc/web_mvc_diagram.png new file mode 100644 index 0000000000000000000000000000000000000000..7d7956835703a0ba694a5ae74674287962d113da GIT binary patch literal 25515 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+Zf0@}h0Kv^uc0cp`scL=8<$I10_*g&k0Mmp#iN zf^&z`T9obUfFC6@0i=H$!WF|$8jNg&pv z+jrwKh$9);dQMt6eE2Y`@r$)2R!xB=n(R6!OAIuD4gn8OwKSbReRHv={RI~)f#{{3 zIGAF<{_!kum3P@<(1ZNWq_*+Ns{3 z- - - - {{.title}} - - - -

{{.message}}

- - - \ No newline at end of file diff --git a/_examples/routing/mvc/views/user/index.html b/_examples/routing/mvc/views/user/index.html deleted file mode 100644 index 783a3629..00000000 --- a/_examples/routing/mvc/views/user/index.html +++ /dev/null @@ -1,18 +0,0 @@ - - - - {{.title}} - - - -

Hello {{.username}}

- - - All fields inside a controller that are pointers or they tagged as `iris:"persistence"` are marked as persistence data, meaning - that they will not be reset-ed on each new request. -

Persistence data from *DB.Connstring: {{.connstring}}

-

Persistence data from CreatedAt `iris:"persistence"`: {{.uptime}} seconds

-

{{.visit_count}} - - - \ No newline at end of file diff --git a/_examples/tutorial/mvc-from-scratch/README.md b/_examples/tutorial/mvc-from-scratch/README.md index 13c041b5..f52344fa 100644 --- a/_examples/tutorial/mvc-from-scratch/README.md +++ b/_examples/tutorial/mvc-from-scratch/README.md @@ -1,99 +1,130 @@ # Controllers from scratch -This example folder shows how I started to develop -the Controller idea inside the Iris web framework itself. +This folder shows how [@kataras](https://github.com/kataras) started to develop +the MVC idea inside the Iris web framework itself. -Now it's built'n feature and can be used as: +**Now** it has been enhanced and it's a **built'n** feature and can be used as: ```go -// +build go1.9 - -// file main.go package main import ( - "github.com/kataras/iris/_examples/routing/mvc/persistence" + "sync" - "github.com/kataras/iris" + "github.com/kataras/iris" + "github.com/kataras/iris/mvc" ) func main() { - app := iris.New() - app.RegisterView(iris.HTML("./views", ".html")) + app := iris.New() + app.RegisterView(iris.HTML("./views", ".html")) - db := persistence.OpenDatabase("a fake db") + // when we have a path separated by spaces + // then the Controller is registered to all of them one by one. + // + // myDB is binded to the controller's `*DB` field: use only structs and pointers. + app.Controller("/profile /profile/browse /profile/{id:int} /profile/me", + new(ProfileController), myDB) // IMPORTANT - app.Controller("/user/{userid:int}", NewUserController(db)) - - // http://localhost:8080/ - // http://localhost:8080/user/42 - app.Run(iris.Addr(":8080")) -} -``` - -```go -// +build go1.9 - -// file user_controller.go -package main - -import ( - "time" - - "github.com/kataras/iris/_examples/routing/mvc/persistence" - - "github.com/kataras/iris" -) - -// User is our user example controller. -type UserController struct { - iris.Controller - - // All fields that are tagged with iris:"persistence"` - // are being persistence and kept between the different requests, - // meaning that these data will not be reset-ed on each new request, - // they will be the same for all requests. - CreatedAt time.Time `iris:"persistence"` - Title string `iris:"persistence"` - DB *persistence.Database `iris:"persistence"` + app.Run(iris.Addr(":8080")) } -func NewUserController(db *persistence.Database) *User { - return &UserController{ - CreatedAt: time.Now(), - Title: "User page", - DB: db, - } +// UserModel our example model which will render on the template. +type UserModel struct { + ID int64 + Username string } -// Get serves using the User controller when HTTP Method is "GET". -func (c *UserController) Get() { - c.Tmpl = "user/index.html" - c.Data["title"] = c.Title - c.Data["username"] = "kataras " + c.Params.Get("userid") - c.Data["connstring"] = c.DB.Connstring - c.Data["uptime"] = time.Now().Sub(c.CreatedAt).Seconds() +// DB is our example database. +type DB struct { + usersTable map[int64]UserModel + mu sync.RWMutex +} + +// GetUserByID imaginary database lookup based on user id. +func (db *DB) GetUserByID(id int64) (u UserModel, found bool) { + db.mu.RLock() + u, found = db.usersTable[id] + db.mu.RUnlock() + return +} + +var myDB = &DB{ + usersTable: map[int64]UserModel{ + 1: {1, "kataras"}, + 2: {2, "makis"}, + 42: {42, "jdoe"}, + }, +} + +// ProfileController our example user controller which controls +// the paths of "/profile" "/profile/{id:int}" and "/profile/me". +type ProfileController struct { + mvc.Controller // IMPORTANT + + User UserModel `iris:"model"` + // we will bind it but you can also tag it with`iris:"persistence"` + // and init the controller with manual &PorifleController{DB: myDB}. + DB *DB +} + +// Get method handles all "GET" HTTP Method requests of the controller's paths. +func (pc *ProfileController) Get() { // IMPORTANT + path := pc.Path + + // requested: /profile path + if path == "/profile" { + pc.Tmpl = "profile/index.html" + return + } + // requested: /profile/browse + // this exists only to proof the concept of changing the path: + // it will result to a redirection. + if path == "/profile/browse" { + pc.Path = "/profile" + return + } + + // requested: /profile/me path + if path == "/profile/me" { + pc.Tmpl = "profile/me.html" + return + } + + // requested: /profile/$ID + id, _ := pc.Params.GetInt64("id") + + user, found := pc.DB.GetUserByID(id) + if !found { + pc.Status = iris.StatusNotFound + pc.Tmpl = "profile/notfound.html" + pc.Data["ID"] = id + return + } + + pc.Tmpl = "profile/profile.html" + pc.User = user } /* Can use more than one, the factory will make sure -that the correct http methods are being registered for this -controller, uncommend these if you want: +that the correct http methods are being registered for each route +for this controller, uncomment these if you want: -func (c *User) Post() {} -func (c *User) Put() {} -func (c *User) Delete() {} -func (c *User) Connect() {} -func (c *User) Head() {} -func (c *User) Patch() {} -func (c *User) Options() {} -func (c *User) Trace() {} +func (pc *ProfileController) Post() {} +func (pc *ProfileController) Put() {} +func (pc *ProfileController) Delete() {} +func (pc *ProfileController) Connect() {} +func (pc *ProfileController) Head() {} +func (pc *ProfileController) Patch() {} +func (pc *ProfileController) Options() {} +func (pc *ProfileController) Trace() {} */ /* -func (c *User) All() {} +func (c *ProfileController) All() {} // OR -func (c *User) Any() {} +func (c *ProfileController) Any() {} */ ``` -Example can be found at: [_examples/routing/mvc](https://github.com/kataras/iris/tree/master/_examples/routing/mvc). \ No newline at end of file +Example can be found at: [_examples/mvc](https://github.com/kataras/iris/tree/master/_examples/mvc). \ No newline at end of file diff --git a/_examples/websocket/third-party-socketio/main.go b/_examples/websocket/third-party-socketio/main.go new file mode 100644 index 00000000..e9ea5b8f --- /dev/null +++ b/_examples/websocket/third-party-socketio/main.go @@ -0,0 +1,44 @@ +package main + +import ( + "github.com/kataras/iris" + + "github.com/googollee/go-socket.io" +) + +/* + go get -u github.com/googollee/go-socket.io +*/ + +func main() { + app := iris.New() + server, err := socketio.NewServer(nil) + if err != nil { + app.Logger().Fatal(err) + } + + server.On("connection", func(so socketio.Socket) { + app.Logger().Infof("on connection") + so.Join("chat") + so.On("chat message", func(msg string) { + app.Logger().Infof("emit: %v", so.Emit("chat message", msg)) + so.BroadcastTo("chat", "chat message", msg) + }) + so.On("disconnection", func() { + app.Logger().Infof("on disconnect") + }) + }) + + server.On("error", func(so socketio.Socket, err error) { + app.Logger().Errorf("error: %v", err) + }) + + // serve the socket.io endpoint. + app.Any("/socket.io/{p:path}", iris.FromStd(server)) + + // serve the index.html and the javascript libraries at + // http://localhost:8080 + app.StaticWeb("/", "./public") + + app.Run(iris.Addr("localhost:8080")) +} diff --git a/_examples/websocket/third-party-socketio/public/index.html b/_examples/websocket/third-party-socketio/public/index.html new file mode 100644 index 00000000..566ad06f --- /dev/null +++ b/_examples/websocket/third-party-socketio/public/index.html @@ -0,0 +1,38 @@ + + + + Socket.IO chat + + + +
    +
    + +
    + + + + + \ No newline at end of file diff --git a/_examples/websocket/third-party-socketio/public/jquery-1.11.1.js b/_examples/websocket/third-party-socketio/public/jquery-1.11.1.js new file mode 100644 index 00000000..176d3850 --- /dev/null +++ b/_examples/websocket/third-party-socketio/public/jquery-1.11.1.js @@ -0,0 +1,10309 @@ +/*! + * jQuery JavaScript Library v1.11.1 + * http://jquery.com/ + * + * Includes Sizzle.js + * http://sizzlejs.com/ + * + * Copyright 2005, 2014 jQuery Foundation, Inc. and other contributors + * Released under the MIT license + * http://jquery.org/license + * + * Date: 2014-05-01T17:42Z + */ + +(function (global, factory) { + + if (typeof module === "object" && typeof module.exports === "object") { + // For CommonJS and CommonJS-like environments where a proper window is present, + // execute the factory and get jQuery + // For environments that do not inherently posses a window with a document + // (such as Node.js), expose a jQuery-making factory as module.exports + // This accentuates the need for the creation of a real window + // e.g. var jQuery = require("jquery")(window); + // See ticket #14549 for more info + module.exports = global.document ? + factory(global, true) : + function (w) { + if (!w.document) { + throw new Error("jQuery requires a window with a document"); + } + return factory(w); + }; + } else { + factory(global); + } + + // Pass this if window is not defined yet +}(typeof window !== "undefined" ? window : this, function (window, noGlobal) { + + // Can't do this because several apps including ASP.NET trace + // the stack via arguments.caller.callee and Firefox dies if + // you try to trace through "use strict" call chains. (#13335) + // Support: Firefox 18+ + // + + var deletedIds = []; + + var slice = deletedIds.slice; + + var concat = deletedIds.concat; + + var push = deletedIds.push; + + var indexOf = deletedIds.indexOf; + + var class2type = {}; + + var toString = class2type.toString; + + var hasOwn = class2type.hasOwnProperty; + + var support = {}; + + + + var + version = "1.11.1", + + // Define a local copy of jQuery + jQuery = function (selector, context) { + // The jQuery object is actually just the init constructor 'enhanced' + // Need init if jQuery is called (just allow error to be thrown if not included) + return new jQuery.fn.init(selector, context); + }, + + // Support: Android<4.1, IE<9 + // Make sure we trim BOM and NBSP + rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, + + // Matches dashed string for camelizing + rmsPrefix = /^-ms-/, + rdashAlpha = /-([\da-z])/gi, + + // Used by jQuery.camelCase as callback to replace() + fcamelCase = function (all, letter) { + return letter.toUpperCase(); + }; + + jQuery.fn = jQuery.prototype = { + // The current version of jQuery being used + jquery: version, + + constructor: jQuery, + + // Start with an empty selector + selector: "", + + // The default length of a jQuery object is 0 + length: 0, + + toArray: function () { + return slice.call(this); + }, + + // Get the Nth element in the matched element set OR + // Get the whole matched element set as a clean array + get: function (num) { + return num != null ? + + // Return just the one element from the set + (num < 0 ? this[num + this.length] : this[num]) : + + // Return all the elements in a clean array + slice.call(this); + }, + + // Take an array of elements and push it onto the stack + // (returning the new matched element set) + pushStack: function (elems) { + + // Build a new jQuery matched element set + var ret = jQuery.merge(this.constructor(), elems); + + // Add the old object onto the stack (as a reference) + ret.prevObject = this; + ret.context = this.context; + + // Return the newly-formed element set + return ret; + }, + + // Execute a callback for every element in the matched set. + // (You can seed the arguments with an array of args, but this is + // only used internally.) + each: function (callback, args) { + return jQuery.each(this, callback, args); + }, + + map: function (callback) { + return this.pushStack(jQuery.map(this, function (elem, i) { + return callback.call(elem, i, elem); + })); + }, + + slice: function () { + return this.pushStack(slice.apply(this, arguments)); + }, + + first: function () { + return this.eq(0); + }, + + last: function () { + return this.eq(-1); + }, + + eq: function (i) { + var len = this.length, + j = +i + (i < 0 ? len : 0); + return this.pushStack(j >= 0 && j < len ? [this[j]] : []); + }, + + end: function () { + return this.prevObject || this.constructor(null); + }, + + // For internal use only. + // Behaves like an Array's method, not like a jQuery method. + push: push, + sort: deletedIds.sort, + splice: deletedIds.splice + }; + + jQuery.extend = jQuery.fn.extend = function () { + var src, copyIsArray, copy, name, options, clone, + target = arguments[0] || {}, + i = 1, + length = arguments.length, + deep = false; + + // Handle a deep copy situation + if (typeof target === "boolean") { + deep = target; + + // skip the boolean and the target + target = arguments[i] || {}; + i++; + } + + // Handle case when target is a string or something (possible in deep copy) + if (typeof target !== "object" && !jQuery.isFunction(target)) { + target = {}; + } + + // extend jQuery itself if only one argument is passed + if (i === length) { + target = this; + i--; + } + + for (; i < length; i++) { + // Only deal with non-null/undefined values + if ((options = arguments[i]) != null) { + // Extend the base object + for (name in options) { + src = target[name]; + copy = options[name]; + + // Prevent never-ending loop + if (target === copy) { + continue; + } + + // Recurse if we're merging plain objects or arrays + if (deep && copy && (jQuery.isPlainObject(copy) || (copyIsArray = jQuery.isArray(copy)))) { + if (copyIsArray) { + copyIsArray = false; + clone = src && jQuery.isArray(src) ? src : []; + + } else { + clone = src && jQuery.isPlainObject(src) ? src : {}; + } + + // Never move original objects, clone them + target[name] = jQuery.extend(deep, clone, copy); + + // Don't bring in undefined values + } else if (copy !== undefined) { + target[name] = copy; + } + } + } + } + + // Return the modified object + return target; + }; + + jQuery.extend({ + // Unique for each copy of jQuery on the page + expando: "jQuery" + (version + Math.random()).replace(/\D/g, ""), + + // Assume jQuery is ready without the ready module + isReady: true, + + error: function (msg) { + throw new Error(msg); + }, + + noop: function () { }, + + // See test/unit/core.js for details concerning isFunction. + // Since version 1.3, DOM methods and functions like alert + // aren't supported. They return false on IE (#2968). + isFunction: function (obj) { + return jQuery.type(obj) === "function"; + }, + + isArray: Array.isArray || function (obj) { + return jQuery.type(obj) === "array"; + }, + + isWindow: function (obj) { + /* jshint eqeqeq: false */ + return obj != null && obj == obj.window; + }, + + isNumeric: function (obj) { + // parseFloat NaNs numeric-cast false positives (null|true|false|"") + // ...but misinterprets leading-number strings, particularly hex literals ("0x...") + // subtraction forces infinities to NaN + return !jQuery.isArray(obj) && obj - parseFloat(obj) >= 0; + }, + + isEmptyObject: function (obj) { + var name; + for (name in obj) { + return false; + } + return true; + }, + + isPlainObject: function (obj) { + var key; + + // Must be an Object. + // Because of IE, we also have to check the presence of the constructor property. + // Make sure that DOM nodes and window objects don't pass through, as well + if (!obj || jQuery.type(obj) !== "object" || obj.nodeType || jQuery.isWindow(obj)) { + return false; + } + + try { + // Not own constructor property must be Object + if (obj.constructor && + !hasOwn.call(obj, "constructor") && + !hasOwn.call(obj.constructor.prototype, "isPrototypeOf")) { + return false; + } + } catch (e) { + // IE8,9 Will throw exceptions on certain host objects #9897 + return false; + } + + // Support: IE<9 + // Handle iteration over inherited properties before own properties. + if (support.ownLast) { + for (key in obj) { + return hasOwn.call(obj, key); + } + } + + // Own properties are enumerated firstly, so to speed up, + // if last one is own, then all properties are own. + for (key in obj) { } + + return key === undefined || hasOwn.call(obj, key); + }, + + type: function (obj) { + if (obj == null) { + return obj + ""; + } + return typeof obj === "object" || typeof obj === "function" ? + class2type[toString.call(obj)] || "object" : + typeof obj; + }, + + // Evaluates a script in a global context + // Workarounds based on findings by Jim Driscoll + // http://weblogs.java.net/blog/driscoll/archive/2009/09/08/eval-javascript-global-context + globalEval: function (data) { + if (data && jQuery.trim(data)) { + // We use execScript on Internet Explorer + // We use an anonymous function so that context is window + // rather than jQuery in Firefox + (window.execScript || function (data) { + window["eval"].call(window, data); + })(data); + } + }, + + // Convert dashed to camelCase; used by the css and data modules + // Microsoft forgot to hump their vendor prefix (#9572) + camelCase: function (string) { + return string.replace(rmsPrefix, "ms-").replace(rdashAlpha, fcamelCase); + }, + + nodeName: function (elem, name) { + return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase(); + }, + + // args is for internal usage only + each: function (obj, callback, args) { + var value, + i = 0, + length = obj.length, + isArray = isArraylike(obj); + + if (args) { + if (isArray) { + for (; i < length; i++) { + value = callback.apply(obj[i], args); + + if (value === false) { + break; + } + } + } else { + for (i in obj) { + value = callback.apply(obj[i], args); + + if (value === false) { + break; + } + } + } + + // A special, fast, case for the most common use of each + } else { + if (isArray) { + for (; i < length; i++) { + value = callback.call(obj[i], i, obj[i]); + + if (value === false) { + break; + } + } + } else { + for (i in obj) { + value = callback.call(obj[i], i, obj[i]); + + if (value === false) { + break; + } + } + } + } + + return obj; + }, + + // Support: Android<4.1, IE<9 + trim: function (text) { + return text == null ? + "" : + (text + "").replace(rtrim, ""); + }, + + // results is for internal usage only + makeArray: function (arr, results) { + var ret = results || []; + + if (arr != null) { + if (isArraylike(Object(arr))) { + jQuery.merge(ret, + typeof arr === "string" ? + [arr] : arr + ); + } else { + push.call(ret, arr); + } + } + + return ret; + }, + + inArray: function (elem, arr, i) { + var len; + + if (arr) { + if (indexOf) { + return indexOf.call(arr, elem, i); + } + + len = arr.length; + i = i ? i < 0 ? Math.max(0, len + i) : i : 0; + + for (; i < len; i++) { + // Skip accessing in sparse arrays + if (i in arr && arr[i] === elem) { + return i; + } + } + } + + return -1; + }, + + merge: function (first, second) { + var len = +second.length, + j = 0, + i = first.length; + + while (j < len) { + first[i++] = second[j++]; + } + + // Support: IE<9 + // Workaround casting of .length to NaN on otherwise arraylike objects (e.g., NodeLists) + if (len !== len) { + while (second[j] !== undefined) { + first[i++] = second[j++]; + } + } + + first.length = i; + + return first; + }, + + grep: function (elems, callback, invert) { + var callbackInverse, + matches = [], + i = 0, + length = elems.length, + callbackExpect = !invert; + + // Go through the array, only saving the items + // that pass the validator function + for (; i < length; i++) { + callbackInverse = !callback(elems[i], i); + if (callbackInverse !== callbackExpect) { + matches.push(elems[i]); + } + } + + return matches; + }, + + // arg is for internal usage only + map: function (elems, callback, arg) { + var value, + i = 0, + length = elems.length, + isArray = isArraylike(elems), + ret = []; + + // Go through the array, translating each of the items to their new values + if (isArray) { + for (; i < length; i++) { + value = callback(elems[i], i, arg); + + if (value != null) { + ret.push(value); + } + } + + // Go through every key on the object, + } else { + for (i in elems) { + value = callback(elems[i], i, arg); + + if (value != null) { + ret.push(value); + } + } + } + + // Flatten any nested arrays + return concat.apply([], ret); + }, + + // A global GUID counter for objects + guid: 1, + + // Bind a function to a context, optionally partially applying any + // arguments. + proxy: function (fn, context) { + var args, proxy, tmp; + + if (typeof context === "string") { + tmp = fn[context]; + context = fn; + fn = tmp; + } + + // Quick check to determine if target is callable, in the spec + // this throws a TypeError, but we will just return undefined. + if (!jQuery.isFunction(fn)) { + return undefined; + } + + // Simulated bind + args = slice.call(arguments, 2); + proxy = function () { + return fn.apply(context || this, args.concat(slice.call(arguments))); + }; + + // Set the guid of unique handler to the same of original handler, so it can be removed + proxy.guid = fn.guid = fn.guid || jQuery.guid++; + + return proxy; + }, + + now: function () { + return +(new Date()); + }, + + // jQuery.support is not used in Core but other projects attach their + // properties to it so it needs to exist. + support: support + }); + + // Populate the class2type map + jQuery.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function (i, name) { + class2type["[object " + name + "]"] = name.toLowerCase(); + }); + + function isArraylike(obj) { + var length = obj.length, + type = jQuery.type(obj); + + if (type === "function" || jQuery.isWindow(obj)) { + return false; + } + + if (obj.nodeType === 1 && length) { + return true; + } + + return type === "array" || length === 0 || + typeof length === "number" && length > 0 && (length - 1) in obj; + } + var Sizzle = + /*! + * Sizzle CSS Selector Engine v1.10.19 + * http://sizzlejs.com/ + * + * Copyright 2013 jQuery Foundation, Inc. and other contributors + * Released under the MIT license + * http://jquery.org/license + * + * Date: 2014-04-18 + */ + (function (window) { + + var i, + support, + Expr, + getText, + isXML, + tokenize, + compile, + select, + outermostContext, + sortInput, + hasDuplicate, + + // Local document vars + setDocument, + document, + docElem, + documentIsHTML, + rbuggyQSA, + rbuggyMatches, + matches, + contains, + + // Instance-specific data + expando = "sizzle" + -(new Date()), + preferredDoc = window.document, + dirruns = 0, + done = 0, + classCache = createCache(), + tokenCache = createCache(), + compilerCache = createCache(), + sortOrder = function (a, b) { + if (a === b) { + hasDuplicate = true; + } + return 0; + }, + + // General-purpose constants + strundefined = typeof undefined, + MAX_NEGATIVE = 1 << 31, + + // Instance methods + hasOwn = ({}).hasOwnProperty, + arr = [], + pop = arr.pop, + push_native = arr.push, + push = arr.push, + slice = arr.slice, + // Use a stripped-down indexOf if we can't use a native one + indexOf = arr.indexOf || function (elem) { + var i = 0, + len = this.length; + for (; i < len; i++) { + if (this[i] === elem) { + return i; + } + } + return -1; + }, + + booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped", + + // Regular expressions + + // Whitespace characters http://www.w3.org/TR/css3-selectors/#whitespace + whitespace = "[\\x20\\t\\r\\n\\f]", + // http://www.w3.org/TR/css3-syntax/#characters + characterEncoding = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+", + + // Loosely modeled on CSS identifier characters + // An unquoted value should be a CSS identifier http://www.w3.org/TR/css3-selectors/#attribute-selectors + // Proper syntax: http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier + identifier = characterEncoding.replace("w", "w#"), + + // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors + attributes = "\\[" + whitespace + "*(" + characterEncoding + ")(?:" + whitespace + + // Operator (capture 2) + "*([*^$|!~]?=)" + whitespace + + // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]" + "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace + + "*\\]", + + pseudos = ":(" + characterEncoding + ")(?:\\((" + + // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments: + // 1. quoted (capture 3; capture 4 or capture 5) + "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" + + // 2. simple (capture 6) + "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" + + // 3. anything else (capture 2) + ".*" + + ")\\)|)", + + // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter + rtrim = new RegExp("^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g"), + + rcomma = new RegExp("^" + whitespace + "*," + whitespace + "*"), + rcombinators = new RegExp("^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*"), + + rattributeQuotes = new RegExp("=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g"), + + rpseudo = new RegExp(pseudos), + ridentifier = new RegExp("^" + identifier + "$"), + + matchExpr = { + "ID": new RegExp("^#(" + characterEncoding + ")"), + "CLASS": new RegExp("^\\.(" + characterEncoding + ")"), + "TAG": new RegExp("^(" + characterEncoding.replace("w", "w*") + ")"), + "ATTR": new RegExp("^" + attributes), + "PSEUDO": new RegExp("^" + pseudos), + "CHILD": new RegExp("^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace + + "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace + + "*(\\d+)|))" + whitespace + "*\\)|)", "i"), + "bool": new RegExp("^(?:" + booleans + ")$", "i"), + // For use in libraries implementing .is() + // We use this for POS matching in `select` + "needsContext": new RegExp("^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" + + whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i") + }, + + rinputs = /^(?:input|select|textarea|button)$/i, + rheader = /^h\d$/i, + + rnative = /^[^{]+\{\s*\[native \w/, + + // Easily-parseable/retrievable ID or TAG or CLASS selectors + rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/, + + rsibling = /[+~]/, + rescape = /'|\\/g, + + // CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters + runescape = new RegExp("\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig"), + funescape = function (_, escaped, escapedWhitespace) { + var high = "0x" + escaped - 0x10000; + // NaN means non-codepoint + // Support: Firefox<24 + // Workaround erroneous numeric interpretation of +"0x" + return high !== high || escapedWhitespace ? + escaped : + high < 0 ? + // BMP codepoint + String.fromCharCode(high + 0x10000) : + // Supplemental Plane codepoint (surrogate pair) + String.fromCharCode(high >> 10 | 0xD800, high & 0x3FF | 0xDC00); + }; + + // Optimize for push.apply( _, NodeList ) + try { + push.apply( + (arr = slice.call(preferredDoc.childNodes)), + preferredDoc.childNodes + ); + // Support: Android<4.0 + // Detect silently failing push.apply + arr[preferredDoc.childNodes.length].nodeType; + } catch (e) { + push = { + apply: arr.length ? + + // Leverage slice if possible + function (target, els) { + push_native.apply(target, slice.call(els)); + } : + + // Support: IE<9 + // Otherwise append directly + function (target, els) { + var j = target.length, + i = 0; + // Can't trust NodeList.length + while ((target[j++] = els[i++])) { } + target.length = j - 1; + } + }; + } + + function Sizzle(selector, context, results, seed) { + var match, elem, m, nodeType, + // QSA vars + i, groups, old, nid, newContext, newSelector; + + if ((context ? context.ownerDocument || context : preferredDoc) !== document) { + setDocument(context); + } + + context = context || document; + results = results || []; + + if (!selector || typeof selector !== "string") { + return results; + } + + if ((nodeType = context.nodeType) !== 1 && nodeType !== 9) { + return []; + } + + if (documentIsHTML && !seed) { + + // Shortcuts + if ((match = rquickExpr.exec(selector))) { + // Speed-up: Sizzle("#ID") + if ((m = match[1])) { + if (nodeType === 9) { + elem = context.getElementById(m); + // Check parentNode to catch when Blackberry 4.6 returns + // nodes that are no longer in the document (jQuery #6963) + if (elem && elem.parentNode) { + // Handle the case where IE, Opera, and Webkit return items + // by name instead of ID + if (elem.id === m) { + results.push(elem); + return results; + } + } else { + return results; + } + } else { + // Context is not a document + if (context.ownerDocument && (elem = context.ownerDocument.getElementById(m)) && + contains(context, elem) && elem.id === m) { + results.push(elem); + return results; + } + } + + // Speed-up: Sizzle("TAG") + } else if (match[2]) { + push.apply(results, context.getElementsByTagName(selector)); + return results; + + // Speed-up: Sizzle(".CLASS") + } else if ((m = match[3]) && support.getElementsByClassName && context.getElementsByClassName) { + push.apply(results, context.getElementsByClassName(m)); + return results; + } + } + + // QSA path + if (support.qsa && (!rbuggyQSA || !rbuggyQSA.test(selector))) { + nid = old = expando; + newContext = context; + newSelector = nodeType === 9 && selector; + + // qSA works strangely on Element-rooted queries + // We can work around this by specifying an extra ID on the root + // and working up from there (Thanks to Andrew Dupont for the technique) + // IE 8 doesn't work on object elements + if (nodeType === 1 && context.nodeName.toLowerCase() !== "object") { + groups = tokenize(selector); + + if ((old = context.getAttribute("id"))) { + nid = old.replace(rescape, "\\$&"); + } else { + context.setAttribute("id", nid); + } + nid = "[id='" + nid + "'] "; + + i = groups.length; + while (i--) { + groups[i] = nid + toSelector(groups[i]); + } + newContext = rsibling.test(selector) && testContext(context.parentNode) || context; + newSelector = groups.join(","); + } + + if (newSelector) { + try { + push.apply(results, + newContext.querySelectorAll(newSelector) + ); + return results; + } catch (qsaError) { + } finally { + if (!old) { + context.removeAttribute("id"); + } + } + } + } + } + + // All others + return select(selector.replace(rtrim, "$1"), context, results, seed); + } + + /** + * Create key-value caches of limited size + * @returns {Function(string, Object)} Returns the Object data after storing it on itself with + * property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength) + * deleting the oldest entry + */ + function createCache() { + var keys = []; + + function cache(key, value) { + // Use (key + " ") to avoid collision with native prototype properties (see Issue #157) + if (keys.push(key + " ") > Expr.cacheLength) { + // Only keep the most recent entries + delete cache[keys.shift()]; + } + return (cache[key + " "] = value); + } + return cache; + } + + /** + * Mark a function for special use by Sizzle + * @param {Function} fn The function to mark + */ + function markFunction(fn) { + fn[expando] = true; + return fn; + } + + /** + * Support testing using an element + * @param {Function} fn Passed the created div and expects a boolean result + */ + function assert(fn) { + var div = document.createElement("div"); + + try { + return !!fn(div); + } catch (e) { + return false; + } finally { + // Remove from its parent by default + if (div.parentNode) { + div.parentNode.removeChild(div); + } + // release memory in IE + div = null; + } + } + + /** + * Adds the same handler for all of the specified attrs + * @param {String} attrs Pipe-separated list of attributes + * @param {Function} handler The method that will be applied + */ + function addHandle(attrs, handler) { + var arr = attrs.split("|"), + i = attrs.length; + + while (i--) { + Expr.attrHandle[arr[i]] = handler; + } + } + + /** + * Checks document order of two siblings + * @param {Element} a + * @param {Element} b + * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b + */ + function siblingCheck(a, b) { + var cur = b && a, + diff = cur && a.nodeType === 1 && b.nodeType === 1 && + (~b.sourceIndex || MAX_NEGATIVE) - + (~a.sourceIndex || MAX_NEGATIVE); + + // Use IE sourceIndex if available on both nodes + if (diff) { + return diff; + } + + // Check if b follows a + if (cur) { + while ((cur = cur.nextSibling)) { + if (cur === b) { + return -1; + } + } + } + + return a ? 1 : -1; + } + + /** + * Returns a function to use in pseudos for input types + * @param {String} type + */ + function createInputPseudo(type) { + return function (elem) { + var name = elem.nodeName.toLowerCase(); + return name === "input" && elem.type === type; + }; + } + + /** + * Returns a function to use in pseudos for buttons + * @param {String} type + */ + function createButtonPseudo(type) { + return function (elem) { + var name = elem.nodeName.toLowerCase(); + return (name === "input" || name === "button") && elem.type === type; + }; + } + + /** + * Returns a function to use in pseudos for positionals + * @param {Function} fn + */ + function createPositionalPseudo(fn) { + return markFunction(function (argument) { + argument = +argument; + return markFunction(function (seed, matches) { + var j, + matchIndexes = fn([], seed.length, argument), + i = matchIndexes.length; + + // Match elements found at the specified indexes + while (i--) { + if (seed[(j = matchIndexes[i])]) { + seed[j] = !(matches[j] = seed[j]); + } + } + }); + }); + } + + /** + * Checks a node for validity as a Sizzle context + * @param {Element|Object=} context + * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value + */ + function testContext(context) { + return context && typeof context.getElementsByTagName !== strundefined && context; + } + + // Expose support vars for convenience + support = Sizzle.support = {}; + + /** + * Detects XML nodes + * @param {Element|Object} elem An element or a document + * @returns {Boolean} True iff elem is a non-HTML XML node + */ + isXML = Sizzle.isXML = function (elem) { + // documentElement is verified for cases where it doesn't yet exist + // (such as loading iframes in IE - #4833) + var documentElement = elem && (elem.ownerDocument || elem).documentElement; + return documentElement ? documentElement.nodeName !== "HTML" : false; + }; + + /** + * Sets document-related variables once based on the current document + * @param {Element|Object} [doc] An element or document object to use to set the document + * @returns {Object} Returns the current document + */ + setDocument = Sizzle.setDocument = function (node) { + var hasCompare, + doc = node ? node.ownerDocument || node : preferredDoc, + parent = doc.defaultView; + + // If no document and documentElement is available, return + if (doc === document || doc.nodeType !== 9 || !doc.documentElement) { + return document; + } + + // Set our document + document = doc; + docElem = doc.documentElement; + + // Support tests + documentIsHTML = !isXML(doc); + + // Support: IE>8 + // If iframe document is assigned to "document" variable and if iframe has been reloaded, + // IE will throw "permission denied" error when accessing "document" variable, see jQuery #13936 + // IE6-8 do not support the defaultView property so parent will be undefined + if (parent && parent !== parent.top) { + // IE11 does not have attachEvent, so all must suffer + if (parent.addEventListener) { + parent.addEventListener("unload", function () { + setDocument(); + }, false); + } else if (parent.attachEvent) { + parent.attachEvent("onunload", function () { + setDocument(); + }); + } + } + + /* Attributes + ---------------------------------------------------------------------- */ + + // Support: IE<8 + // Verify that getAttribute really returns attributes and not properties (excepting IE8 booleans) + support.attributes = assert(function (div) { + div.className = "i"; + return !div.getAttribute("className"); + }); + + /* getElement(s)By* + ---------------------------------------------------------------------- */ + + // Check if getElementsByTagName("*") returns only elements + support.getElementsByTagName = assert(function (div) { + div.appendChild(doc.createComment("")); + return !div.getElementsByTagName("*").length; + }); + + // Check if getElementsByClassName can be trusted + support.getElementsByClassName = rnative.test(doc.getElementsByClassName) && assert(function (div) { + div.innerHTML = "
    "; + + // Support: Safari<4 + // Catch class over-caching + div.firstChild.className = "i"; + // Support: Opera<10 + // Catch gEBCN failure to find non-leading classes + return div.getElementsByClassName("i").length === 2; + }); + + // Support: IE<10 + // Check if getElementById returns elements by name + // The broken getElementById methods don't pick up programatically-set names, + // so use a roundabout getElementsByName test + support.getById = assert(function (div) { + docElem.appendChild(div).id = expando; + return !doc.getElementsByName || !doc.getElementsByName(expando).length; + }); + + // ID find and filter + if (support.getById) { + Expr.find["ID"] = function (id, context) { + if (typeof context.getElementById !== strundefined && documentIsHTML) { + var m = context.getElementById(id); + // Check parentNode to catch when Blackberry 4.6 returns + // nodes that are no longer in the document #6963 + return m && m.parentNode ? [m] : []; + } + }; + Expr.filter["ID"] = function (id) { + var attrId = id.replace(runescape, funescape); + return function (elem) { + return elem.getAttribute("id") === attrId; + }; + }; + } else { + // Support: IE6/7 + // getElementById is not reliable as a find shortcut + delete Expr.find["ID"]; + + Expr.filter["ID"] = function (id) { + var attrId = id.replace(runescape, funescape); + return function (elem) { + var node = typeof elem.getAttributeNode !== strundefined && elem.getAttributeNode("id"); + return node && node.value === attrId; + }; + }; + } + + // Tag + Expr.find["TAG"] = support.getElementsByTagName ? + function (tag, context) { + if (typeof context.getElementsByTagName !== strundefined) { + return context.getElementsByTagName(tag); + } + } : + function (tag, context) { + var elem, + tmp = [], + i = 0, + results = context.getElementsByTagName(tag); + + // Filter out possible comments + if (tag === "*") { + while ((elem = results[i++])) { + if (elem.nodeType === 1) { + tmp.push(elem); + } + } + + return tmp; + } + return results; + }; + + // Class + Expr.find["CLASS"] = support.getElementsByClassName && function (className, context) { + if (typeof context.getElementsByClassName !== strundefined && documentIsHTML) { + return context.getElementsByClassName(className); + } + }; + + /* QSA/matchesSelector + ---------------------------------------------------------------------- */ + + // QSA and matchesSelector support + + // matchesSelector(:active) reports false when true (IE9/Opera 11.5) + rbuggyMatches = []; + + // qSa(:focus) reports false when true (Chrome 21) + // We allow this because of a bug in IE8/9 that throws an error + // whenever `document.activeElement` is accessed on an iframe + // So, we allow :focus to pass through QSA all the time to avoid the IE error + // See http://bugs.jquery.com/ticket/13378 + rbuggyQSA = []; + + if ((support.qsa = rnative.test(doc.querySelectorAll))) { + // Build QSA regex + // Regex strategy adopted from Diego Perini + assert(function (div) { + // Select is set to empty string on purpose + // This is to test IE's treatment of not explicitly + // setting a boolean content attribute, + // since its presence should be enough + // http://bugs.jquery.com/ticket/12359 + div.innerHTML = ""; + + // Support: IE8, Opera 11-12.16 + // Nothing should be selected when empty strings follow ^= or $= or *= + // The test attribute must be unknown in Opera but "safe" for WinRT + // http://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section + if (div.querySelectorAll("[msallowclip^='']").length) { + rbuggyQSA.push("[*^$]=" + whitespace + "*(?:''|\"\")"); + } + + // Support: IE8 + // Boolean attributes and "value" are not treated correctly + if (!div.querySelectorAll("[selected]").length) { + rbuggyQSA.push("\\[" + whitespace + "*(?:value|" + booleans + ")"); + } + + // Webkit/Opera - :checked should return selected option elements + // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked + // IE8 throws error here and will not see later tests + if (!div.querySelectorAll(":checked").length) { + rbuggyQSA.push(":checked"); + } + }); + + assert(function (div) { + // Support: Windows 8 Native Apps + // The type and name attributes are restricted during .innerHTML assignment + var input = doc.createElement("input"); + input.setAttribute("type", "hidden"); + div.appendChild(input).setAttribute("name", "D"); + + // Support: IE8 + // Enforce case-sensitivity of name attribute + if (div.querySelectorAll("[name=d]").length) { + rbuggyQSA.push("name" + whitespace + "*[*^$|!~]?="); + } + + // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled) + // IE8 throws error here and will not see later tests + if (!div.querySelectorAll(":enabled").length) { + rbuggyQSA.push(":enabled", ":disabled"); + } + + // Opera 10-11 does not throw on post-comma invalid pseudos + div.querySelectorAll("*,:x"); + rbuggyQSA.push(",.*:"); + }); + } + + if ((support.matchesSelector = rnative.test((matches = docElem.matches || + docElem.webkitMatchesSelector || + docElem.mozMatchesSelector || + docElem.oMatchesSelector || + docElem.msMatchesSelector)))) { + + assert(function (div) { + // Check to see if it's possible to do matchesSelector + // on a disconnected node (IE 9) + support.disconnectedMatch = matches.call(div, "div"); + + // This should fail with an exception + // Gecko does not error, returns false instead + matches.call(div, "[s!='']:x"); + rbuggyMatches.push("!=", pseudos); + }); + } + + rbuggyQSA = rbuggyQSA.length && new RegExp(rbuggyQSA.join("|")); + rbuggyMatches = rbuggyMatches.length && new RegExp(rbuggyMatches.join("|")); + + /* Contains + ---------------------------------------------------------------------- */ + hasCompare = rnative.test(docElem.compareDocumentPosition); + + // Element contains another + // Purposefully does not implement inclusive descendent + // As in, an element does not contain itself + contains = hasCompare || rnative.test(docElem.contains) ? + function (a, b) { + var adown = a.nodeType === 9 ? a.documentElement : a, + bup = b && b.parentNode; + return a === bup || !!(bup && bup.nodeType === 1 && ( + adown.contains ? + adown.contains(bup) : + a.compareDocumentPosition && a.compareDocumentPosition(bup) & 16 + )); + } : + function (a, b) { + if (b) { + while ((b = b.parentNode)) { + if (b === a) { + return true; + } + } + } + return false; + }; + + /* Sorting + ---------------------------------------------------------------------- */ + + // Document order sorting + sortOrder = hasCompare ? + function (a, b) { + + // Flag for duplicate removal + if (a === b) { + hasDuplicate = true; + return 0; + } + + // Sort on method existence if only one input has compareDocumentPosition + var compare = !a.compareDocumentPosition - !b.compareDocumentPosition; + if (compare) { + return compare; + } + + // Calculate position if both inputs belong to the same document + compare = (a.ownerDocument || a) === (b.ownerDocument || b) ? + a.compareDocumentPosition(b) : + + // Otherwise we know they are disconnected + 1; + + // Disconnected nodes + if (compare & 1 || + (!support.sortDetached && b.compareDocumentPosition(a) === compare)) { + + // Choose the first element that is related to our preferred document + if (a === doc || a.ownerDocument === preferredDoc && contains(preferredDoc, a)) { + return -1; + } + if (b === doc || b.ownerDocument === preferredDoc && contains(preferredDoc, b)) { + return 1; + } + + // Maintain original order + return sortInput ? + (indexOf.call(sortInput, a) - indexOf.call(sortInput, b)) : + 0; + } + + return compare & 4 ? -1 : 1; + } : + function (a, b) { + // Exit early if the nodes are identical + if (a === b) { + hasDuplicate = true; + return 0; + } + + var cur, + i = 0, + aup = a.parentNode, + bup = b.parentNode, + ap = [a], + bp = [b]; + + // Parentless nodes are either documents or disconnected + if (!aup || !bup) { + return a === doc ? -1 : + b === doc ? 1 : + aup ? -1 : + bup ? 1 : + sortInput ? + (indexOf.call(sortInput, a) - indexOf.call(sortInput, b)) : + 0; + + // If the nodes are siblings, we can do a quick check + } else if (aup === bup) { + return siblingCheck(a, b); + } + + // Otherwise we need full lists of their ancestors for comparison + cur = a; + while ((cur = cur.parentNode)) { + ap.unshift(cur); + } + cur = b; + while ((cur = cur.parentNode)) { + bp.unshift(cur); + } + + // Walk down the tree looking for a discrepancy + while (ap[i] === bp[i]) { + i++; + } + + return i ? + // Do a sibling check if the nodes have a common ancestor + siblingCheck(ap[i], bp[i]) : + + // Otherwise nodes in our document sort first + ap[i] === preferredDoc ? -1 : + bp[i] === preferredDoc ? 1 : + 0; + }; + + return doc; + }; + + Sizzle.matches = function (expr, elements) { + return Sizzle(expr, null, null, elements); + }; + + Sizzle.matchesSelector = function (elem, expr) { + // Set document vars if needed + if ((elem.ownerDocument || elem) !== document) { + setDocument(elem); + } + + // Make sure that attribute selectors are quoted + expr = expr.replace(rattributeQuotes, "='$1']"); + + if (support.matchesSelector && documentIsHTML && + (!rbuggyMatches || !rbuggyMatches.test(expr)) && + (!rbuggyQSA || !rbuggyQSA.test(expr))) { + + try { + var ret = matches.call(elem, expr); + + // IE 9's matchesSelector returns false on disconnected nodes + if (ret || support.disconnectedMatch || + // As well, disconnected nodes are said to be in a document + // fragment in IE 9 + elem.document && elem.document.nodeType !== 11) { + return ret; + } + } catch (e) { } + } + + return Sizzle(expr, document, null, [elem]).length > 0; + }; + + Sizzle.contains = function (context, elem) { + // Set document vars if needed + if ((context.ownerDocument || context) !== document) { + setDocument(context); + } + return contains(context, elem); + }; + + Sizzle.attr = function (elem, name) { + // Set document vars if needed + if ((elem.ownerDocument || elem) !== document) { + setDocument(elem); + } + + var fn = Expr.attrHandle[name.toLowerCase()], + // Don't get fooled by Object.prototype properties (jQuery #13807) + val = fn && hasOwn.call(Expr.attrHandle, name.toLowerCase()) ? + fn(elem, name, !documentIsHTML) : + undefined; + + return val !== undefined ? + val : + support.attributes || !documentIsHTML ? + elem.getAttribute(name) : + (val = elem.getAttributeNode(name)) && val.specified ? + val.value : + null; + }; + + Sizzle.error = function (msg) { + throw new Error("Syntax error, unrecognized expression: " + msg); + }; + + /** + * Document sorting and removing duplicates + * @param {ArrayLike} results + */ + Sizzle.uniqueSort = function (results) { + var elem, + duplicates = [], + j = 0, + i = 0; + + // Unless we *know* we can detect duplicates, assume their presence + hasDuplicate = !support.detectDuplicates; + sortInput = !support.sortStable && results.slice(0); + results.sort(sortOrder); + + if (hasDuplicate) { + while ((elem = results[i++])) { + if (elem === results[i]) { + j = duplicates.push(i); + } + } + while (j--) { + results.splice(duplicates[j], 1); + } + } + + // Clear input after sorting to release objects + // See https://github.com/jquery/sizzle/pull/225 + sortInput = null; + + return results; + }; + + /** + * Utility function for retrieving the text value of an array of DOM nodes + * @param {Array|Element} elem + */ + getText = Sizzle.getText = function (elem) { + var node, + ret = "", + i = 0, + nodeType = elem.nodeType; + + if (!nodeType) { + // If no nodeType, this is expected to be an array + while ((node = elem[i++])) { + // Do not traverse comment nodes + ret += getText(node); + } + } else if (nodeType === 1 || nodeType === 9 || nodeType === 11) { + // Use textContent for elements + // innerText usage removed for consistency of new lines (jQuery #11153) + if (typeof elem.textContent === "string") { + return elem.textContent; + } else { + // Traverse its children + for (elem = elem.firstChild; elem; elem = elem.nextSibling) { + ret += getText(elem); + } + } + } else if (nodeType === 3 || nodeType === 4) { + return elem.nodeValue; + } + // Do not include comment or processing instruction nodes + + return ret; + }; + + Expr = Sizzle.selectors = { + + // Can be adjusted by the user + cacheLength: 50, + + createPseudo: markFunction, + + match: matchExpr, + + attrHandle: {}, + + find: {}, + + relative: { + ">": { dir: "parentNode", first: true }, + " ": { dir: "parentNode" }, + "+": { dir: "previousSibling", first: true }, + "~": { dir: "previousSibling" } + }, + + preFilter: { + "ATTR": function (match) { + match[1] = match[1].replace(runescape, funescape); + + // Move the given value to match[3] whether quoted or unquoted + match[3] = (match[3] || match[4] || match[5] || "").replace(runescape, funescape); + + if (match[2] === "~=") { + match[3] = " " + match[3] + " "; + } + + return match.slice(0, 4); + }, + + "CHILD": function (match) { + /* matches from matchExpr["CHILD"] + 1 type (only|nth|...) + 2 what (child|of-type) + 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...) + 4 xn-component of xn+y argument ([+-]?\d*n|) + 5 sign of xn-component + 6 x of xn-component + 7 sign of y-component + 8 y of y-component + */ + match[1] = match[1].toLowerCase(); + + if (match[1].slice(0, 3) === "nth") { + // nth-* requires argument + if (!match[3]) { + Sizzle.error(match[0]); + } + + // numeric x and y parameters for Expr.filter.CHILD + // remember that false/true cast respectively to 0/1 + match[4] = +(match[4] ? match[5] + (match[6] || 1) : 2 * (match[3] === "even" || match[3] === "odd")); + match[5] = +((match[7] + match[8]) || match[3] === "odd"); + + // other types prohibit arguments + } else if (match[3]) { + Sizzle.error(match[0]); + } + + return match; + }, + + "PSEUDO": function (match) { + var excess, + unquoted = !match[6] && match[2]; + + if (matchExpr["CHILD"].test(match[0])) { + return null; + } + + // Accept quoted arguments as-is + if (match[3]) { + match[2] = match[4] || match[5] || ""; + + // Strip excess characters from unquoted arguments + } else if (unquoted && rpseudo.test(unquoted) && + // Get excess from tokenize (recursively) + (excess = tokenize(unquoted, true)) && + // advance to the next closing parenthesis + (excess = unquoted.indexOf(")", unquoted.length - excess) - unquoted.length)) { + + // excess is a negative index + match[0] = match[0].slice(0, excess); + match[2] = unquoted.slice(0, excess); + } + + // Return only captures needed by the pseudo filter method (type and argument) + return match.slice(0, 3); + } + }, + + filter: { + + "TAG": function (nodeNameSelector) { + var nodeName = nodeNameSelector.replace(runescape, funescape).toLowerCase(); + return nodeNameSelector === "*" ? + function () { return true; } : + function (elem) { + return elem.nodeName && elem.nodeName.toLowerCase() === nodeName; + }; + }, + + "CLASS": function (className) { + var pattern = classCache[className + " "]; + + return pattern || + (pattern = new RegExp("(^|" + whitespace + ")" + className + "(" + whitespace + "|$)")) && + classCache(className, function (elem) { + return pattern.test(typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== strundefined && elem.getAttribute("class") || ""); + }); + }, + + "ATTR": function (name, operator, check) { + return function (elem) { + var result = Sizzle.attr(elem, name); + + if (result == null) { + return operator === "!="; + } + if (!operator) { + return true; + } + + result += ""; + + return operator === "=" ? result === check : + operator === "!=" ? result !== check : + operator === "^=" ? check && result.indexOf(check) === 0 : + operator === "*=" ? check && result.indexOf(check) > -1 : + operator === "$=" ? check && result.slice(-check.length) === check : + operator === "~=" ? (" " + result + " ").indexOf(check) > -1 : + operator === "|=" ? result === check || result.slice(0, check.length + 1) === check + "-" : + false; + }; + }, + + "CHILD": function (type, what, argument, first, last) { + var simple = type.slice(0, 3) !== "nth", + forward = type.slice(-4) !== "last", + ofType = what === "of-type"; + + return first === 1 && last === 0 ? + + // Shortcut for :nth-*(n) + function (elem) { + return !!elem.parentNode; + } : + + function (elem, context, xml) { + var cache, outerCache, node, diff, nodeIndex, start, + dir = simple !== forward ? "nextSibling" : "previousSibling", + parent = elem.parentNode, + name = ofType && elem.nodeName.toLowerCase(), + useCache = !xml && !ofType; + + if (parent) { + + // :(first|last|only)-(child|of-type) + if (simple) { + while (dir) { + node = elem; + while ((node = node[dir])) { + if (ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1) { + return false; + } + } + // Reverse direction for :only-* (if we haven't yet done so) + start = dir = type === "only" && !start && "nextSibling"; + } + return true; + } + + start = [forward ? parent.firstChild : parent.lastChild]; + + // non-xml :nth-child(...) stores cache data on `parent` + if (forward && useCache) { + // Seek `elem` from a previously-cached index + outerCache = parent[expando] || (parent[expando] = {}); + cache = outerCache[type] || []; + nodeIndex = cache[0] === dirruns && cache[1]; + diff = cache[0] === dirruns && cache[2]; + node = nodeIndex && parent.childNodes[nodeIndex]; + + while ((node = ++nodeIndex && node && node[dir] || + + // Fallback to seeking `elem` from the start + (diff = nodeIndex = 0) || start.pop())) { + + // When found, cache indexes on `parent` and break + if (node.nodeType === 1 && ++diff && node === elem) { + outerCache[type] = [dirruns, nodeIndex, diff]; + break; + } + } + + // Use previously-cached element index if available + } else if (useCache && (cache = (elem[expando] || (elem[expando] = {}))[type]) && cache[0] === dirruns) { + diff = cache[1]; + + // xml :nth-child(...) or :nth-last-child(...) or :nth(-last)?-of-type(...) + } else { + // Use the same loop as above to seek `elem` from the start + while ((node = ++nodeIndex && node && node[dir] || + (diff = nodeIndex = 0) || start.pop())) { + + if ((ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1) && ++diff) { + // Cache the index of each encountered element + if (useCache) { + (node[expando] || (node[expando] = {}))[type] = [dirruns, diff]; + } + + if (node === elem) { + break; + } + } + } + } + + // Incorporate the offset, then check against cycle size + diff -= last; + return diff === first || (diff % first === 0 && diff / first >= 0); + } + }; + }, + + "PSEUDO": function (pseudo, argument) { + // pseudo-class names are case-insensitive + // http://www.w3.org/TR/selectors/#pseudo-classes + // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters + // Remember that setFilters inherits from pseudos + var args, + fn = Expr.pseudos[pseudo] || Expr.setFilters[pseudo.toLowerCase()] || + Sizzle.error("unsupported pseudo: " + pseudo); + + // The user may use createPseudo to indicate that + // arguments are needed to create the filter function + // just as Sizzle does + if (fn[expando]) { + return fn(argument); + } + + // But maintain support for old signatures + if (fn.length > 1) { + args = [pseudo, pseudo, "", argument]; + return Expr.setFilters.hasOwnProperty(pseudo.toLowerCase()) ? + markFunction(function (seed, matches) { + var idx, + matched = fn(seed, argument), + i = matched.length; + while (i--) { + idx = indexOf.call(seed, matched[i]); + seed[idx] = !(matches[idx] = matched[i]); + } + }) : + function (elem) { + return fn(elem, 0, args); + }; + } + + return fn; + } + }, + + pseudos: { + // Potentially complex pseudos + "not": markFunction(function (selector) { + // Trim the selector passed to compile + // to avoid treating leading and trailing + // spaces as combinators + var input = [], + results = [], + matcher = compile(selector.replace(rtrim, "$1")); + + return matcher[expando] ? + markFunction(function (seed, matches, context, xml) { + var elem, + unmatched = matcher(seed, null, xml, []), + i = seed.length; + + // Match elements unmatched by `matcher` + while (i--) { + if ((elem = unmatched[i])) { + seed[i] = !(matches[i] = elem); + } + } + }) : + function (elem, context, xml) { + input[0] = elem; + matcher(input, null, xml, results); + return !results.pop(); + }; + }), + + "has": markFunction(function (selector) { + return function (elem) { + return Sizzle(selector, elem).length > 0; + }; + }), + + "contains": markFunction(function (text) { + return function (elem) { + return (elem.textContent || elem.innerText || getText(elem)).indexOf(text) > -1; + }; + }), + + // "Whether an element is represented by a :lang() selector + // is based solely on the element's language value + // being equal to the identifier C, + // or beginning with the identifier C immediately followed by "-". + // The matching of C against the element's language value is performed case-insensitively. + // The identifier C does not have to be a valid language name." + // http://www.w3.org/TR/selectors/#lang-pseudo + "lang": markFunction(function (lang) { + // lang value must be a valid identifier + if (!ridentifier.test(lang || "")) { + Sizzle.error("unsupported lang: " + lang); + } + lang = lang.replace(runescape, funescape).toLowerCase(); + return function (elem) { + var elemLang; + do { + if ((elemLang = documentIsHTML ? + elem.lang : + elem.getAttribute("xml:lang") || elem.getAttribute("lang"))) { + + elemLang = elemLang.toLowerCase(); + return elemLang === lang || elemLang.indexOf(lang + "-") === 0; + } + } while ((elem = elem.parentNode) && elem.nodeType === 1); + return false; + }; + }), + + // Miscellaneous + "target": function (elem) { + var hash = window.location && window.location.hash; + return hash && hash.slice(1) === elem.id; + }, + + "root": function (elem) { + return elem === docElem; + }, + + "focus": function (elem) { + return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex); + }, + + // Boolean properties + "enabled": function (elem) { + return elem.disabled === false; + }, + + "disabled": function (elem) { + return elem.disabled === true; + }, + + "checked": function (elem) { + // In CSS3, :checked should return both checked and selected elements + // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked + var nodeName = elem.nodeName.toLowerCase(); + return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected); + }, + + "selected": function (elem) { + // Accessing this property makes selected-by-default + // options in Safari work properly + if (elem.parentNode) { + elem.parentNode.selectedIndex; + } + + return elem.selected === true; + }, + + // Contents + "empty": function (elem) { + // http://www.w3.org/TR/selectors/#empty-pseudo + // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5), + // but not by others (comment: 8; processing instruction: 7; etc.) + // nodeType < 6 works because attributes (2) do not appear as children + for (elem = elem.firstChild; elem; elem = elem.nextSibling) { + if (elem.nodeType < 6) { + return false; + } + } + return true; + }, + + "parent": function (elem) { + return !Expr.pseudos["empty"](elem); + }, + + // Element/input types + "header": function (elem) { + return rheader.test(elem.nodeName); + }, + + "input": function (elem) { + return rinputs.test(elem.nodeName); + }, + + "button": function (elem) { + var name = elem.nodeName.toLowerCase(); + return name === "input" && elem.type === "button" || name === "button"; + }, + + "text": function (elem) { + var attr; + return elem.nodeName.toLowerCase() === "input" && + elem.type === "text" && + + // Support: IE<8 + // New HTML5 attribute values (e.g., "search") appear with elem.type === "text" + ((attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text"); + }, + + // Position-in-collection + "first": createPositionalPseudo(function () { + return [0]; + }), + + "last": createPositionalPseudo(function (matchIndexes, length) { + return [length - 1]; + }), + + "eq": createPositionalPseudo(function (matchIndexes, length, argument) { + return [argument < 0 ? argument + length : argument]; + }), + + "even": createPositionalPseudo(function (matchIndexes, length) { + var i = 0; + for (; i < length; i += 2) { + matchIndexes.push(i); + } + return matchIndexes; + }), + + "odd": createPositionalPseudo(function (matchIndexes, length) { + var i = 1; + for (; i < length; i += 2) { + matchIndexes.push(i); + } + return matchIndexes; + }), + + "lt": createPositionalPseudo(function (matchIndexes, length, argument) { + var i = argument < 0 ? argument + length : argument; + for (; --i >= 0;) { + matchIndexes.push(i); + } + return matchIndexes; + }), + + "gt": createPositionalPseudo(function (matchIndexes, length, argument) { + var i = argument < 0 ? argument + length : argument; + for (; ++i < length;) { + matchIndexes.push(i); + } + return matchIndexes; + }) + } + }; + + Expr.pseudos["nth"] = Expr.pseudos["eq"]; + + // Add button/input type pseudos + for (i in { radio: true, checkbox: true, file: true, password: true, image: true }) { + Expr.pseudos[i] = createInputPseudo(i); + } + for (i in { submit: true, reset: true }) { + Expr.pseudos[i] = createButtonPseudo(i); + } + + // Easy API for creating new setFilters + function setFilters() { } + setFilters.prototype = Expr.filters = Expr.pseudos; + Expr.setFilters = new setFilters(); + + tokenize = Sizzle.tokenize = function (selector, parseOnly) { + var matched, match, tokens, type, + soFar, groups, preFilters, + cached = tokenCache[selector + " "]; + + if (cached) { + return parseOnly ? 0 : cached.slice(0); + } + + soFar = selector; + groups = []; + preFilters = Expr.preFilter; + + while (soFar) { + + // Comma and first run + if (!matched || (match = rcomma.exec(soFar))) { + if (match) { + // Don't consume trailing commas as valid + soFar = soFar.slice(match[0].length) || soFar; + } + groups.push((tokens = [])); + } + + matched = false; + + // Combinators + if ((match = rcombinators.exec(soFar))) { + matched = match.shift(); + tokens.push({ + value: matched, + // Cast descendant combinators to space + type: match[0].replace(rtrim, " ") + }); + soFar = soFar.slice(matched.length); + } + + // Filters + for (type in Expr.filter) { + if ((match = matchExpr[type].exec(soFar)) && (!preFilters[type] || + (match = preFilters[type](match)))) { + matched = match.shift(); + tokens.push({ + value: matched, + type: type, + matches: match + }); + soFar = soFar.slice(matched.length); + } + } + + if (!matched) { + break; + } + } + + // Return the length of the invalid excess + // if we're just parsing + // Otherwise, throw an error or return tokens + return parseOnly ? + soFar.length : + soFar ? + Sizzle.error(selector) : + // Cache the tokens + tokenCache(selector, groups).slice(0); + }; + + function toSelector(tokens) { + var i = 0, + len = tokens.length, + selector = ""; + for (; i < len; i++) { + selector += tokens[i].value; + } + return selector; + } + + function addCombinator(matcher, combinator, base) { + var dir = combinator.dir, + checkNonElements = base && dir === "parentNode", + doneName = done++; + + return combinator.first ? + // Check against closest ancestor/preceding element + function (elem, context, xml) { + while ((elem = elem[dir])) { + if (elem.nodeType === 1 || checkNonElements) { + return matcher(elem, context, xml); + } + } + } : + + // Check against all ancestor/preceding elements + function (elem, context, xml) { + var oldCache, outerCache, + newCache = [dirruns, doneName]; + + // We can't set arbitrary data on XML nodes, so they don't benefit from dir caching + if (xml) { + while ((elem = elem[dir])) { + if (elem.nodeType === 1 || checkNonElements) { + if (matcher(elem, context, xml)) { + return true; + } + } + } + } else { + while ((elem = elem[dir])) { + if (elem.nodeType === 1 || checkNonElements) { + outerCache = elem[expando] || (elem[expando] = {}); + if ((oldCache = outerCache[dir]) && + oldCache[0] === dirruns && oldCache[1] === doneName) { + + // Assign to newCache so results back-propagate to previous elements + return (newCache[2] = oldCache[2]); + } else { + // Reuse newcache so results back-propagate to previous elements + outerCache[dir] = newCache; + + // A match means we're done; a fail means we have to keep checking + if ((newCache[2] = matcher(elem, context, xml))) { + return true; + } + } + } + } + } + }; + } + + function elementMatcher(matchers) { + return matchers.length > 1 ? + function (elem, context, xml) { + var i = matchers.length; + while (i--) { + if (!matchers[i](elem, context, xml)) { + return false; + } + } + return true; + } : + matchers[0]; + } + + function multipleContexts(selector, contexts, results) { + var i = 0, + len = contexts.length; + for (; i < len; i++) { + Sizzle(selector, contexts[i], results); + } + return results; + } + + function condense(unmatched, map, filter, context, xml) { + var elem, + newUnmatched = [], + i = 0, + len = unmatched.length, + mapped = map != null; + + for (; i < len; i++) { + if ((elem = unmatched[i])) { + if (!filter || filter(elem, context, xml)) { + newUnmatched.push(elem); + if (mapped) { + map.push(i); + } + } + } + } + + return newUnmatched; + } + + function setMatcher(preFilter, selector, matcher, postFilter, postFinder, postSelector) { + if (postFilter && !postFilter[expando]) { + postFilter = setMatcher(postFilter); + } + if (postFinder && !postFinder[expando]) { + postFinder = setMatcher(postFinder, postSelector); + } + return markFunction(function (seed, results, context, xml) { + var temp, i, elem, + preMap = [], + postMap = [], + preexisting = results.length, + + // Get initial elements from seed or context + elems = seed || multipleContexts(selector || "*", context.nodeType ? [context] : context, []), + + // Prefilter to get matcher input, preserving a map for seed-results synchronization + matcherIn = preFilter && (seed || !selector) ? + condense(elems, preMap, preFilter, context, xml) : + elems, + + matcherOut = matcher ? + // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results, + postFinder || (seed ? preFilter : preexisting || postFilter) ? + + // ...intermediate processing is necessary + [] : + + // ...otherwise use results directly + results : + matcherIn; + + // Find primary matches + if (matcher) { + matcher(matcherIn, matcherOut, context, xml); + } + + // Apply postFilter + if (postFilter) { + temp = condense(matcherOut, postMap); + postFilter(temp, [], context, xml); + + // Un-match failing elements by moving them back to matcherIn + i = temp.length; + while (i--) { + if ((elem = temp[i])) { + matcherOut[postMap[i]] = !(matcherIn[postMap[i]] = elem); + } + } + } + + if (seed) { + if (postFinder || preFilter) { + if (postFinder) { + // Get the final matcherOut by condensing this intermediate into postFinder contexts + temp = []; + i = matcherOut.length; + while (i--) { + if ((elem = matcherOut[i])) { + // Restore matcherIn since elem is not yet a final match + temp.push((matcherIn[i] = elem)); + } + } + postFinder(null, (matcherOut = []), temp, xml); + } + + // Move matched elements from seed to results to keep them synchronized + i = matcherOut.length; + while (i--) { + if ((elem = matcherOut[i]) && + (temp = postFinder ? indexOf.call(seed, elem) : preMap[i]) > -1) { + + seed[temp] = !(results[temp] = elem); + } + } + } + + // Add elements to results, through postFinder if defined + } else { + matcherOut = condense( + matcherOut === results ? + matcherOut.splice(preexisting, matcherOut.length) : + matcherOut + ); + if (postFinder) { + postFinder(null, results, matcherOut, xml); + } else { + push.apply(results, matcherOut); + } + } + }); + } + + function matcherFromTokens(tokens) { + var checkContext, matcher, j, + len = tokens.length, + leadingRelative = Expr.relative[tokens[0].type], + implicitRelative = leadingRelative || Expr.relative[" "], + i = leadingRelative ? 1 : 0, + + // The foundational matcher ensures that elements are reachable from top-level context(s) + matchContext = addCombinator(function (elem) { + return elem === checkContext; + }, implicitRelative, true), + matchAnyContext = addCombinator(function (elem) { + return indexOf.call(checkContext, elem) > -1; + }, implicitRelative, true), + matchers = [function (elem, context, xml) { + return (!leadingRelative && (xml || context !== outermostContext)) || ( + (checkContext = context).nodeType ? + matchContext(elem, context, xml) : + matchAnyContext(elem, context, xml)); + }]; + + for (; i < len; i++) { + if ((matcher = Expr.relative[tokens[i].type])) { + matchers = [addCombinator(elementMatcher(matchers), matcher)]; + } else { + matcher = Expr.filter[tokens[i].type].apply(null, tokens[i].matches); + + // Return special upon seeing a positional matcher + if (matcher[expando]) { + // Find the next relative operator (if any) for proper handling + j = ++i; + for (; j < len; j++) { + if (Expr.relative[tokens[j].type]) { + break; + } + } + return setMatcher( + i > 1 && elementMatcher(matchers), + i > 1 && toSelector( + // If the preceding token was a descendant combinator, insert an implicit any-element `*` + tokens.slice(0, i - 1).concat({ value: tokens[i - 2].type === " " ? "*" : "" }) + ).replace(rtrim, "$1"), + matcher, + i < j && matcherFromTokens(tokens.slice(i, j)), + j < len && matcherFromTokens((tokens = tokens.slice(j))), + j < len && toSelector(tokens) + ); + } + matchers.push(matcher); + } + } + + return elementMatcher(matchers); + } + + function matcherFromGroupMatchers(elementMatchers, setMatchers) { + var bySet = setMatchers.length > 0, + byElement = elementMatchers.length > 0, + superMatcher = function (seed, context, xml, results, outermost) { + var elem, j, matcher, + matchedCount = 0, + i = "0", + unmatched = seed && [], + setMatched = [], + contextBackup = outermostContext, + // We must always have either seed elements or outermost context + elems = seed || byElement && Expr.find["TAG"]("*", outermost), + // Use integer dirruns iff this is the outermost matcher + dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1), + len = elems.length; + + if (outermost) { + outermostContext = context !== document && context; + } + + // Add elements passing elementMatchers directly to results + // Keep `i` a string if there are no elements so `matchedCount` will be "00" below + // Support: IE<9, Safari + // Tolerate NodeList properties (IE: "length"; Safari: ) matching elements by id + for (; i !== len && (elem = elems[i]) != null; i++) { + if (byElement && elem) { + j = 0; + while ((matcher = elementMatchers[j++])) { + if (matcher(elem, context, xml)) { + results.push(elem); + break; + } + } + if (outermost) { + dirruns = dirrunsUnique; + } + } + + // Track unmatched elements for set filters + if (bySet) { + // They will have gone through all possible matchers + if ((elem = !matcher && elem)) { + matchedCount--; + } + + // Lengthen the array for every element, matched or not + if (seed) { + unmatched.push(elem); + } + } + } + + // Apply set filters to unmatched elements + matchedCount += i; + if (bySet && i !== matchedCount) { + j = 0; + while ((matcher = setMatchers[j++])) { + matcher(unmatched, setMatched, context, xml); + } + + if (seed) { + // Reintegrate element matches to eliminate the need for sorting + if (matchedCount > 0) { + while (i--) { + if (!(unmatched[i] || setMatched[i])) { + setMatched[i] = pop.call(results); + } + } + } + + // Discard index placeholder values to get only actual matches + setMatched = condense(setMatched); + } + + // Add matches to results + push.apply(results, setMatched); + + // Seedless set matches succeeding multiple successful matchers stipulate sorting + if (outermost && !seed && setMatched.length > 0 && + (matchedCount + setMatchers.length) > 1) { + + Sizzle.uniqueSort(results); + } + } + + // Override manipulation of globals by nested matchers + if (outermost) { + dirruns = dirrunsUnique; + outermostContext = contextBackup; + } + + return unmatched; + }; + + return bySet ? + markFunction(superMatcher) : + superMatcher; + } + + compile = Sizzle.compile = function (selector, match /* Internal Use Only */) { + var i, + setMatchers = [], + elementMatchers = [], + cached = compilerCache[selector + " "]; + + if (!cached) { + // Generate a function of recursive functions that can be used to check each element + if (!match) { + match = tokenize(selector); + } + i = match.length; + while (i--) { + cached = matcherFromTokens(match[i]); + if (cached[expando]) { + setMatchers.push(cached); + } else { + elementMatchers.push(cached); + } + } + + // Cache the compiled function + cached = compilerCache(selector, matcherFromGroupMatchers(elementMatchers, setMatchers)); + + // Save selector and tokenization + cached.selector = selector; + } + return cached; + }; + + /** + * A low-level selection function that works with Sizzle's compiled + * selector functions + * @param {String|Function} selector A selector or a pre-compiled + * selector function built with Sizzle.compile + * @param {Element} context + * @param {Array} [results] + * @param {Array} [seed] A set of elements to match against + */ + select = Sizzle.select = function (selector, context, results, seed) { + var i, tokens, token, type, find, + compiled = typeof selector === "function" && selector, + match = !seed && tokenize((selector = compiled.selector || selector)); + + results = results || []; + + // Try to minimize operations if there is no seed and only one group + if (match.length === 1) { + + // Take a shortcut and set the context if the root selector is an ID + tokens = match[0] = match[0].slice(0); + if (tokens.length > 2 && (token = tokens[0]).type === "ID" && + support.getById && context.nodeType === 9 && documentIsHTML && + Expr.relative[tokens[1].type]) { + + context = (Expr.find["ID"](token.matches[0].replace(runescape, funescape), context) || [])[0]; + if (!context) { + return results; + + // Precompiled matchers will still verify ancestry, so step up a level + } else if (compiled) { + context = context.parentNode; + } + + selector = selector.slice(tokens.shift().value.length); + } + + // Fetch a seed set for right-to-left matching + i = matchExpr["needsContext"].test(selector) ? 0 : tokens.length; + while (i--) { + token = tokens[i]; + + // Abort if we hit a combinator + if (Expr.relative[(type = token.type)]) { + break; + } + if ((find = Expr.find[type])) { + // Search, expanding context for leading sibling combinators + if ((seed = find( + token.matches[0].replace(runescape, funescape), + rsibling.test(tokens[0].type) && testContext(context.parentNode) || context + ))) { + + // If seed is empty or no tokens remain, we can return early + tokens.splice(i, 1); + selector = seed.length && toSelector(tokens); + if (!selector) { + push.apply(results, seed); + return results; + } + + break; + } + } + } + } + + // Compile and execute a filtering function if one is not provided + // Provide `match` to avoid retokenization if we modified the selector above + (compiled || compile(selector, match))( + seed, + context, + !documentIsHTML, + results, + rsibling.test(selector) && testContext(context.parentNode) || context + ); + return results; + }; + + // One-time assignments + + // Sort stability + support.sortStable = expando.split("").sort(sortOrder).join("") === expando; + + // Support: Chrome<14 + // Always assume duplicates if they aren't passed to the comparison function + support.detectDuplicates = !!hasDuplicate; + + // Initialize against the default document + setDocument(); + + // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27) + // Detached nodes confoundingly follow *each other* + support.sortDetached = assert(function (div1) { + // Should return 1, but returns 4 (following) + return div1.compareDocumentPosition(document.createElement("div")) & 1; + }); + + // Support: IE<8 + // Prevent attribute/property "interpolation" + // http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx + if (!assert(function (div) { + div.innerHTML = "    "; + return div.firstChild.getAttribute("href") === "#"; + })) { + addHandle("type|href|height|width", function (elem, name, isXML) { + if (!isXML) { + return elem.getAttribute(name, name.toLowerCase() === "type" ? 1 : 2); + } + }); + } + + // Support: IE<9 + // Use defaultValue in place of getAttribute("value") + if (!support.attributes || !assert(function (div) { + div.innerHTML = ""; + div.firstChild.setAttribute("value", ""); + return div.firstChild.getAttribute("value") === ""; + })) { + addHandle("value", function (elem, name, isXML) { + if (!isXML && elem.nodeName.toLowerCase() === "input") { + return elem.defaultValue; + } + }); + } + + // Support: IE<9 + // Use getAttributeNode to fetch booleans when getAttribute lies + if (!assert(function (div) { + return div.getAttribute("disabled") == null; + })) { + addHandle(booleans, function (elem, name, isXML) { + var val; + if (!isXML) { + return elem[name] === true ? name.toLowerCase() : + (val = elem.getAttributeNode(name)) && val.specified ? + val.value : + null; + } + }); + } + + return Sizzle; + + })(window); + + + + jQuery.find = Sizzle; + jQuery.expr = Sizzle.selectors; + jQuery.expr[":"] = jQuery.expr.pseudos; + jQuery.unique = Sizzle.uniqueSort; + jQuery.text = Sizzle.getText; + jQuery.isXMLDoc = Sizzle.isXML; + jQuery.contains = Sizzle.contains; + + + + var rneedsContext = jQuery.expr.match.needsContext; + + var rsingleTag = (/^<(\w+)\s*\/?>(?:<\/\1>|)$/); + + + + var risSimple = /^.[^:#\[\.,]*$/; + + // Implement the identical functionality for filter and not + function winnow(elements, qualifier, not) { + if (jQuery.isFunction(qualifier)) { + return jQuery.grep(elements, function (elem, i) { + /* jshint -W018 */ + return !!qualifier.call(elem, i, elem) !== not; + }); + + } + + if (qualifier.nodeType) { + return jQuery.grep(elements, function (elem) { + return (elem === qualifier) !== not; + }); + + } + + if (typeof qualifier === "string") { + if (risSimple.test(qualifier)) { + return jQuery.filter(qualifier, elements, not); + } + + qualifier = jQuery.filter(qualifier, elements); + } + + return jQuery.grep(elements, function (elem) { + return (jQuery.inArray(elem, qualifier) >= 0) !== not; + }); + } + + jQuery.filter = function (expr, elems, not) { + var elem = elems[0]; + + if (not) { + expr = ":not(" + expr + ")"; + } + + return elems.length === 1 && elem.nodeType === 1 ? + jQuery.find.matchesSelector(elem, expr) ? [elem] : [] : + jQuery.find.matches(expr, jQuery.grep(elems, function (elem) { + return elem.nodeType === 1; + })); + }; + + jQuery.fn.extend({ + find: function (selector) { + var i, + ret = [], + self = this, + len = self.length; + + if (typeof selector !== "string") { + return this.pushStack(jQuery(selector).filter(function () { + for (i = 0; i < len; i++) { + if (jQuery.contains(self[i], this)) { + return true; + } + } + })); + } + + for (i = 0; i < len; i++) { + jQuery.find(selector, self[i], ret); + } + + // Needed because $( selector, context ) becomes $( context ).find( selector ) + ret = this.pushStack(len > 1 ? jQuery.unique(ret) : ret); + ret.selector = this.selector ? this.selector + " " + selector : selector; + return ret; + }, + filter: function (selector) { + return this.pushStack(winnow(this, selector || [], false)); + }, + not: function (selector) { + return this.pushStack(winnow(this, selector || [], true)); + }, + is: function (selector) { + return !!winnow( + this, + + // If this is a positional/relative selector, check membership in the returned set + // so $("p:first").is("p:last") won't return true for a doc with two "p". + typeof selector === "string" && rneedsContext.test(selector) ? + jQuery(selector) : + selector || [], + false + ).length; + } + }); + + + // Initialize a jQuery object + + + // A central reference to the root jQuery(document) + var rootjQuery, + + // Use the correct document accordingly with window argument (sandbox) + document = window.document, + + // A simple way to check for HTML strings + // Prioritize #id over to avoid XSS via location.hash (#9521) + // Strict HTML recognition (#11290: must start with <) + rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/, + + init = jQuery.fn.init = function (selector, context) { + var match, elem; + + // HANDLE: $(""), $(null), $(undefined), $(false) + if (!selector) { + return this; + } + + // Handle HTML strings + if (typeof selector === "string") { + if (selector.charAt(0) === "<" && selector.charAt(selector.length - 1) === ">" && selector.length >= 3) { + // Assume that strings that start and end with <> are HTML and skip the regex check + match = [null, selector, null]; + + } else { + match = rquickExpr.exec(selector); + } + + // Match html or make sure no context is specified for #id + if (match && (match[1] || !context)) { + + // HANDLE: $(html) -> $(array) + if (match[1]) { + context = context instanceof jQuery ? context[0] : context; + + // scripts is true for back-compat + // Intentionally let the error be thrown if parseHTML is not present + jQuery.merge(this, jQuery.parseHTML( + match[1], + context && context.nodeType ? context.ownerDocument || context : document, + true + )); + + // HANDLE: $(html, props) + if (rsingleTag.test(match[1]) && jQuery.isPlainObject(context)) { + for (match in context) { + // Properties of context are called as methods if possible + if (jQuery.isFunction(this[match])) { + this[match](context[match]); + + // ...and otherwise set as attributes + } else { + this.attr(match, context[match]); + } + } + } + + return this; + + // HANDLE: $(#id) + } else { + elem = document.getElementById(match[2]); + + // Check parentNode to catch when Blackberry 4.6 returns + // nodes that are no longer in the document #6963 + if (elem && elem.parentNode) { + // Handle the case where IE and Opera return items + // by name instead of ID + if (elem.id !== match[2]) { + return rootjQuery.find(selector); + } + + // Otherwise, we inject the element directly into the jQuery object + this.length = 1; + this[0] = elem; + } + + this.context = document; + this.selector = selector; + return this; + } + + // HANDLE: $(expr, $(...)) + } else if (!context || context.jquery) { + return (context || rootjQuery).find(selector); + + // HANDLE: $(expr, context) + // (which is just equivalent to: $(context).find(expr) + } else { + return this.constructor(context).find(selector); + } + + // HANDLE: $(DOMElement) + } else if (selector.nodeType) { + this.context = this[0] = selector; + this.length = 1; + return this; + + // HANDLE: $(function) + // Shortcut for document ready + } else if (jQuery.isFunction(selector)) { + return typeof rootjQuery.ready !== "undefined" ? + rootjQuery.ready(selector) : + // Execute immediately if ready is not present + selector(jQuery); + } + + if (selector.selector !== undefined) { + this.selector = selector.selector; + this.context = selector.context; + } + + return jQuery.makeArray(selector, this); + }; + + // Give the init function the jQuery prototype for later instantiation + init.prototype = jQuery.fn; + + // Initialize central reference + rootjQuery = jQuery(document); + + + var rparentsprev = /^(?:parents|prev(?:Until|All))/, + // methods guaranteed to produce a unique set when starting from a unique set + guaranteedUnique = { + children: true, + contents: true, + next: true, + prev: true + }; + + jQuery.extend({ + dir: function (elem, dir, until) { + var matched = [], + cur = elem[dir]; + + while (cur && cur.nodeType !== 9 && (until === undefined || cur.nodeType !== 1 || !jQuery(cur).is(until))) { + if (cur.nodeType === 1) { + matched.push(cur); + } + cur = cur[dir]; + } + return matched; + }, + + sibling: function (n, elem) { + var r = []; + + for (; n; n = n.nextSibling) { + if (n.nodeType === 1 && n !== elem) { + r.push(n); + } + } + + return r; + } + }); + + jQuery.fn.extend({ + has: function (target) { + var i, + targets = jQuery(target, this), + len = targets.length; + + return this.filter(function () { + for (i = 0; i < len; i++) { + if (jQuery.contains(this, targets[i])) { + return true; + } + } + }); + }, + + closest: function (selectors, context) { + var cur, + i = 0, + l = this.length, + matched = [], + pos = rneedsContext.test(selectors) || typeof selectors !== "string" ? + jQuery(selectors, context || this.context) : + 0; + + for (; i < l; i++) { + for (cur = this[i]; cur && cur !== context; cur = cur.parentNode) { + // Always skip document fragments + if (cur.nodeType < 11 && (pos ? + pos.index(cur) > -1 : + + // Don't pass non-elements to Sizzle + cur.nodeType === 1 && + jQuery.find.matchesSelector(cur, selectors))) { + + matched.push(cur); + break; + } + } + } + + return this.pushStack(matched.length > 1 ? jQuery.unique(matched) : matched); + }, + + // Determine the position of an element within + // the matched set of elements + index: function (elem) { + + // No argument, return index in parent + if (!elem) { + return (this[0] && this[0].parentNode) ? this.first().prevAll().length : -1; + } + + // index in selector + if (typeof elem === "string") { + return jQuery.inArray(this[0], jQuery(elem)); + } + + // Locate the position of the desired element + return jQuery.inArray( + // If it receives a jQuery object, the first element is used + elem.jquery ? elem[0] : elem, this); + }, + + add: function (selector, context) { + return this.pushStack( + jQuery.unique( + jQuery.merge(this.get(), jQuery(selector, context)) + ) + ); + }, + + addBack: function (selector) { + return this.add(selector == null ? + this.prevObject : this.prevObject.filter(selector) + ); + } + }); + + function sibling(cur, dir) { + do { + cur = cur[dir]; + } while (cur && cur.nodeType !== 1); + + return cur; + } + + jQuery.each({ + parent: function (elem) { + var parent = elem.parentNode; + return parent && parent.nodeType !== 11 ? parent : null; + }, + parents: function (elem) { + return jQuery.dir(elem, "parentNode"); + }, + parentsUntil: function (elem, i, until) { + return jQuery.dir(elem, "parentNode", until); + }, + next: function (elem) { + return sibling(elem, "nextSibling"); + }, + prev: function (elem) { + return sibling(elem, "previousSibling"); + }, + nextAll: function (elem) { + return jQuery.dir(elem, "nextSibling"); + }, + prevAll: function (elem) { + return jQuery.dir(elem, "previousSibling"); + }, + nextUntil: function (elem, i, until) { + return jQuery.dir(elem, "nextSibling", until); + }, + prevUntil: function (elem, i, until) { + return jQuery.dir(elem, "previousSibling", until); + }, + siblings: function (elem) { + return jQuery.sibling((elem.parentNode || {}).firstChild, elem); + }, + children: function (elem) { + return jQuery.sibling(elem.firstChild); + }, + contents: function (elem) { + return jQuery.nodeName(elem, "iframe") ? + elem.contentDocument || elem.contentWindow.document : + jQuery.merge([], elem.childNodes); + } + }, function (name, fn) { + jQuery.fn[name] = function (until, selector) { + var ret = jQuery.map(this, fn, until); + + if (name.slice(-5) !== "Until") { + selector = until; + } + + if (selector && typeof selector === "string") { + ret = jQuery.filter(selector, ret); + } + + if (this.length > 1) { + // Remove duplicates + if (!guaranteedUnique[name]) { + ret = jQuery.unique(ret); + } + + // Reverse order for parents* and prev-derivatives + if (rparentsprev.test(name)) { + ret = ret.reverse(); + } + } + + return this.pushStack(ret); + }; + }); + var rnotwhite = (/\S+/g); + + + + // String to Object options format cache + var optionsCache = {}; + + // Convert String-formatted options into Object-formatted ones and store in cache + function createOptions(options) { + var object = optionsCache[options] = {}; + jQuery.each(options.match(rnotwhite) || [], function (_, flag) { + object[flag] = true; + }); + return object; + } + + /* + * Create a callback list using the following parameters: + * + * options: an optional list of space-separated options that will change how + * the callback list behaves or a more traditional option object + * + * By default a callback list will act like an event callback list and can be + * "fired" multiple times. + * + * Possible options: + * + * once: will ensure the callback list can only be fired once (like a Deferred) + * + * memory: will keep track of previous values and will call any callback added + * after the list has been fired right away with the latest "memorized" + * values (like a Deferred) + * + * unique: will ensure a callback can only be added once (no duplicate in the list) + * + * stopOnFalse: interrupt callings when a callback returns false + * + */ + jQuery.Callbacks = function (options) { + + // Convert options from String-formatted to Object-formatted if needed + // (we check in cache first) + options = typeof options === "string" ? + (optionsCache[options] || createOptions(options)) : + jQuery.extend({}, options); + + var // Flag to know if list is currently firing + firing, + // Last fire value (for non-forgettable lists) + memory, + // Flag to know if list was already fired + fired, + // End of the loop when firing + firingLength, + // Index of currently firing callback (modified by remove if needed) + firingIndex, + // First callback to fire (used internally by add and fireWith) + firingStart, + // Actual callback list + list = [], + // Stack of fire calls for repeatable lists + stack = !options.once && [], + // Fire callbacks + fire = function (data) { + memory = options.memory && data; + fired = true; + firingIndex = firingStart || 0; + firingStart = 0; + firingLength = list.length; + firing = true; + for (; list && firingIndex < firingLength; firingIndex++) { + if (list[firingIndex].apply(data[0], data[1]) === false && options.stopOnFalse) { + memory = false; // To prevent further calls using add + break; + } + } + firing = false; + if (list) { + if (stack) { + if (stack.length) { + fire(stack.shift()); + } + } else if (memory) { + list = []; + } else { + self.disable(); + } + } + }, + // Actual Callbacks object + self = { + // Add a callback or a collection of callbacks to the list + add: function () { + if (list) { + // First, we save the current length + var start = list.length; + (function add(args) { + jQuery.each(args, function (_, arg) { + var type = jQuery.type(arg); + if (type === "function") { + if (!options.unique || !self.has(arg)) { + list.push(arg); + } + } else if (arg && arg.length && type !== "string") { + // Inspect recursively + add(arg); + } + }); + })(arguments); + // Do we need to add the callbacks to the + // current firing batch? + if (firing) { + firingLength = list.length; + // With memory, if we're not firing then + // we should call right away + } else if (memory) { + firingStart = start; + fire(memory); + } + } + return this; + }, + // Remove a callback from the list + remove: function () { + if (list) { + jQuery.each(arguments, function (_, arg) { + var index; + while ((index = jQuery.inArray(arg, list, index)) > -1) { + list.splice(index, 1); + // Handle firing indexes + if (firing) { + if (index <= firingLength) { + firingLength--; + } + if (index <= firingIndex) { + firingIndex--; + } + } + } + }); + } + return this; + }, + // Check if a given callback is in the list. + // If no argument is given, return whether or not list has callbacks attached. + has: function (fn) { + return fn ? jQuery.inArray(fn, list) > -1 : !!(list && list.length); + }, + // Remove all callbacks from the list + empty: function () { + list = []; + firingLength = 0; + return this; + }, + // Have the list do nothing anymore + disable: function () { + list = stack = memory = undefined; + return this; + }, + // Is it disabled? + disabled: function () { + return !list; + }, + // Lock the list in its current state + lock: function () { + stack = undefined; + if (!memory) { + self.disable(); + } + return this; + }, + // Is it locked? + locked: function () { + return !stack; + }, + // Call all callbacks with the given context and arguments + fireWith: function (context, args) { + if (list && (!fired || stack)) { + args = args || []; + args = [context, args.slice ? args.slice() : args]; + if (firing) { + stack.push(args); + } else { + fire(args); + } + } + return this; + }, + // Call all the callbacks with the given arguments + fire: function () { + self.fireWith(this, arguments); + return this; + }, + // To know if the callbacks have already been called at least once + fired: function () { + return !!fired; + } + }; + + return self; + }; + + + jQuery.extend({ + + Deferred: function (func) { + var tuples = [ + // action, add listener, listener list, final state + ["resolve", "done", jQuery.Callbacks("once memory"), "resolved"], + ["reject", "fail", jQuery.Callbacks("once memory"), "rejected"], + ["notify", "progress", jQuery.Callbacks("memory")] + ], + state = "pending", + promise = { + state: function () { + return state; + }, + always: function () { + deferred.done(arguments).fail(arguments); + return this; + }, + then: function ( /* fnDone, fnFail, fnProgress */) { + var fns = arguments; + return jQuery.Deferred(function (newDefer) { + jQuery.each(tuples, function (i, tuple) { + var fn = jQuery.isFunction(fns[i]) && fns[i]; + // deferred[ done | fail | progress ] for forwarding actions to newDefer + deferred[tuple[1]](function () { + var returned = fn && fn.apply(this, arguments); + if (returned && jQuery.isFunction(returned.promise)) { + returned.promise() + .done(newDefer.resolve) + .fail(newDefer.reject) + .progress(newDefer.notify); + } else { + newDefer[tuple[0] + "With"](this === promise ? newDefer.promise() : this, fn ? [returned] : arguments); + } + }); + }); + fns = null; + }).promise(); + }, + // Get a promise for this deferred + // If obj is provided, the promise aspect is added to the object + promise: function (obj) { + return obj != null ? jQuery.extend(obj, promise) : promise; + } + }, + deferred = {}; + + // Keep pipe for back-compat + promise.pipe = promise.then; + + // Add list-specific methods + jQuery.each(tuples, function (i, tuple) { + var list = tuple[2], + stateString = tuple[3]; + + // promise[ done | fail | progress ] = list.add + promise[tuple[1]] = list.add; + + // Handle state + if (stateString) { + list.add(function () { + // state = [ resolved | rejected ] + state = stateString; + + // [ reject_list | resolve_list ].disable; progress_list.lock + }, tuples[i ^ 1][2].disable, tuples[2][2].lock); + } + + // deferred[ resolve | reject | notify ] + deferred[tuple[0]] = function () { + deferred[tuple[0] + "With"](this === deferred ? promise : this, arguments); + return this; + }; + deferred[tuple[0] + "With"] = list.fireWith; + }); + + // Make the deferred a promise + promise.promise(deferred); + + // Call given func if any + if (func) { + func.call(deferred, deferred); + } + + // All done! + return deferred; + }, + + // Deferred helper + when: function (subordinate /* , ..., subordinateN */) { + var i = 0, + resolveValues = slice.call(arguments), + length = resolveValues.length, + + // the count of uncompleted subordinates + remaining = length !== 1 || (subordinate && jQuery.isFunction(subordinate.promise)) ? length : 0, + + // the master Deferred. If resolveValues consist of only a single Deferred, just use that. + deferred = remaining === 1 ? subordinate : jQuery.Deferred(), + + // Update function for both resolve and progress values + updateFunc = function (i, contexts, values) { + return function (value) { + contexts[i] = this; + values[i] = arguments.length > 1 ? slice.call(arguments) : value; + if (values === progressValues) { + deferred.notifyWith(contexts, values); + + } else if (!(--remaining)) { + deferred.resolveWith(contexts, values); + } + }; + }, + + progressValues, progressContexts, resolveContexts; + + // add listeners to Deferred subordinates; treat others as resolved + if (length > 1) { + progressValues = new Array(length); + progressContexts = new Array(length); + resolveContexts = new Array(length); + for (; i < length; i++) { + if (resolveValues[i] && jQuery.isFunction(resolveValues[i].promise)) { + resolveValues[i].promise() + .done(updateFunc(i, resolveContexts, resolveValues)) + .fail(deferred.reject) + .progress(updateFunc(i, progressContexts, progressValues)); + } else { + --remaining; + } + } + } + + // if we're not waiting on anything, resolve the master + if (!remaining) { + deferred.resolveWith(resolveContexts, resolveValues); + } + + return deferred.promise(); + } + }); + + + // The deferred used on DOM ready + var readyList; + + jQuery.fn.ready = function (fn) { + // Add the callback + jQuery.ready.promise().done(fn); + + return this; + }; + + jQuery.extend({ + // Is the DOM ready to be used? Set to true once it occurs. + isReady: false, + + // A counter to track how many items to wait for before + // the ready event fires. See #6781 + readyWait: 1, + + // Hold (or release) the ready event + holdReady: function (hold) { + if (hold) { + jQuery.readyWait++; + } else { + jQuery.ready(true); + } + }, + + // Handle when the DOM is ready + ready: function (wait) { + + // Abort if there are pending holds or we're already ready + if (wait === true ? --jQuery.readyWait : jQuery.isReady) { + return; + } + + // Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443). + if (!document.body) { + return setTimeout(jQuery.ready); + } + + // Remember that the DOM is ready + jQuery.isReady = true; + + // If a normal DOM Ready event fired, decrement, and wait if need be + if (wait !== true && --jQuery.readyWait > 0) { + return; + } + + // If there are functions bound, to execute + readyList.resolveWith(document, [jQuery]); + + // Trigger any bound ready events + if (jQuery.fn.triggerHandler) { + jQuery(document).triggerHandler("ready"); + jQuery(document).off("ready"); + } + } + }); + + /** + * Clean-up method for dom ready events + */ + function detach() { + if (document.addEventListener) { + document.removeEventListener("DOMContentLoaded", completed, false); + window.removeEventListener("load", completed, false); + + } else { + document.detachEvent("onreadystatechange", completed); + window.detachEvent("onload", completed); + } + } + + /** + * The ready event handler and self cleanup method + */ + function completed() { + // readyState === "complete" is good enough for us to call the dom ready in oldIE + if (document.addEventListener || event.type === "load" || document.readyState === "complete") { + detach(); + jQuery.ready(); + } + } + + jQuery.ready.promise = function (obj) { + if (!readyList) { + + readyList = jQuery.Deferred(); + + // Catch cases where $(document).ready() is called after the browser event has already occurred. + // we once tried to use readyState "interactive" here, but it caused issues like the one + // discovered by ChrisS here: http://bugs.jquery.com/ticket/12282#comment:15 + if (document.readyState === "complete") { + // Handle it asynchronously to allow scripts the opportunity to delay ready + setTimeout(jQuery.ready); + + // Standards-based browsers support DOMContentLoaded + } else if (document.addEventListener) { + // Use the handy event callback + document.addEventListener("DOMContentLoaded", completed, false); + + // A fallback to window.onload, that will always work + window.addEventListener("load", completed, false); + + // If IE event model is used + } else { + // Ensure firing before onload, maybe late but safe also for iframes + document.attachEvent("onreadystatechange", completed); + + // A fallback to window.onload, that will always work + window.attachEvent("onload", completed); + + // If IE and not a frame + // continually check to see if the document is ready + var top = false; + + try { + top = window.frameElement == null && document.documentElement; + } catch (e) { } + + if (top && top.doScroll) { + (function doScrollCheck() { + if (!jQuery.isReady) { + + try { + // Use the trick by Diego Perini + // http://javascript.nwbox.com/IEContentLoaded/ + top.doScroll("left"); + } catch (e) { + return setTimeout(doScrollCheck, 50); + } + + // detach all dom ready events + detach(); + + // and execute any waiting functions + jQuery.ready(); + } + })(); + } + } + } + return readyList.promise(obj); + }; + + + var strundefined = typeof undefined; + + + + // Support: IE<9 + // Iteration over object's inherited properties before its own + var i; + for (i in jQuery(support)) { + break; + } + support.ownLast = i !== "0"; + + // Note: most support tests are defined in their respective modules. + // false until the test is run + support.inlineBlockNeedsLayout = false; + + // Execute ASAP in case we need to set body.style.zoom + jQuery(function () { + // Minified: var a,b,c,d + var val, div, body, container; + + body = document.getElementsByTagName("body")[0]; + if (!body || !body.style) { + // Return for frameset docs that don't have a body + return; + } + + // Setup + div = document.createElement("div"); + container = document.createElement("div"); + container.style.cssText = "position:absolute;border:0;width:0;height:0;top:0;left:-9999px"; + body.appendChild(container).appendChild(div); + + if (typeof div.style.zoom !== strundefined) { + // Support: IE<8 + // Check if natively block-level elements act like inline-block + // elements when setting their display to 'inline' and giving + // them layout + div.style.cssText = "display:inline;margin:0;border:0;padding:1px;width:1px;zoom:1"; + + support.inlineBlockNeedsLayout = val = div.offsetWidth === 3; + if (val) { + // Prevent IE 6 from affecting layout for positioned elements #11048 + // Prevent IE from shrinking the body in IE 7 mode #12869 + // Support: IE<8 + body.style.zoom = 1; + } + } + + body.removeChild(container); + }); + + + + + (function () { + var div = document.createElement("div"); + + // Execute the test only if not already executed in another module. + if (support.deleteExpando == null) { + // Support: IE<9 + support.deleteExpando = true; + try { + delete div.test; + } catch (e) { + support.deleteExpando = false; + } + } + + // Null elements to avoid leaks in IE. + div = null; + })(); + + + /** + * Determines whether an object can have data + */ + jQuery.acceptData = function (elem) { + var noData = jQuery.noData[(elem.nodeName + " ").toLowerCase()], + nodeType = +elem.nodeType || 1; + + // Do not set data on non-element DOM nodes because it will not be cleared (#8335). + return nodeType !== 1 && nodeType !== 9 ? + false : + + // Nodes accept data unless otherwise specified; rejection can be conditional + !noData || noData !== true && elem.getAttribute("classid") === noData; + }; + + + var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/, + rmultiDash = /([A-Z])/g; + + function dataAttr(elem, key, data) { + // If nothing was found internally, try to fetch any + // data from the HTML5 data-* attribute + if (data === undefined && elem.nodeType === 1) { + + var name = "data-" + key.replace(rmultiDash, "-$1").toLowerCase(); + + data = elem.getAttribute(name); + + if (typeof data === "string") { + try { + data = data === "true" ? true : + data === "false" ? false : + data === "null" ? null : + // Only convert to a number if it doesn't change the string + +data + "" === data ? +data : + rbrace.test(data) ? jQuery.parseJSON(data) : + data; + } catch (e) { } + + // Make sure we set the data so it isn't changed later + jQuery.data(elem, key, data); + + } else { + data = undefined; + } + } + + return data; + } + + // checks a cache object for emptiness + function isEmptyDataObject(obj) { + var name; + for (name in obj) { + + // if the public data object is empty, the private is still empty + if (name === "data" && jQuery.isEmptyObject(obj[name])) { + continue; + } + if (name !== "toJSON") { + return false; + } + } + + return true; + } + + function internalData(elem, name, data, pvt /* Internal Use Only */) { + if (!jQuery.acceptData(elem)) { + return; + } + + var ret, thisCache, + internalKey = jQuery.expando, + + // We have to handle DOM nodes and JS objects differently because IE6-7 + // can't GC object references properly across the DOM-JS boundary + isNode = elem.nodeType, + + // Only DOM nodes need the global jQuery cache; JS object data is + // attached directly to the object so GC can occur automatically + cache = isNode ? jQuery.cache : elem, + + // Only defining an ID for JS objects if its cache already exists allows + // the code to shortcut on the same path as a DOM node with no cache + id = isNode ? elem[internalKey] : elem[internalKey] && internalKey; + + // Avoid doing any more work than we need to when trying to get data on an + // object that has no data at all + if ((!id || !cache[id] || (!pvt && !cache[id].data)) && data === undefined && typeof name === "string") { + return; + } + + if (!id) { + // Only DOM nodes need a new unique ID for each element since their data + // ends up in the global cache + if (isNode) { + id = elem[internalKey] = deletedIds.pop() || jQuery.guid++; + } else { + id = internalKey; + } + } + + if (!cache[id]) { + // Avoid exposing jQuery metadata on plain JS objects when the object + // is serialized using JSON.stringify + cache[id] = isNode ? {} : { toJSON: jQuery.noop }; + } + + // An object can be passed to jQuery.data instead of a key/value pair; this gets + // shallow copied over onto the existing cache + if (typeof name === "object" || typeof name === "function") { + if (pvt) { + cache[id] = jQuery.extend(cache[id], name); + } else { + cache[id].data = jQuery.extend(cache[id].data, name); + } + } + + thisCache = cache[id]; + + // jQuery data() is stored in a separate object inside the object's internal data + // cache in order to avoid key collisions between internal data and user-defined + // data. + if (!pvt) { + if (!thisCache.data) { + thisCache.data = {}; + } + + thisCache = thisCache.data; + } + + if (data !== undefined) { + thisCache[jQuery.camelCase(name)] = data; + } + + // Check for both converted-to-camel and non-converted data property names + // If a data property was specified + if (typeof name === "string") { + + // First Try to find as-is property data + ret = thisCache[name]; + + // Test for null|undefined property data + if (ret == null) { + + // Try to find the camelCased property + ret = thisCache[jQuery.camelCase(name)]; + } + } else { + ret = thisCache; + } + + return ret; + } + + function internalRemoveData(elem, name, pvt) { + if (!jQuery.acceptData(elem)) { + return; + } + + var thisCache, i, + isNode = elem.nodeType, + + // See jQuery.data for more information + cache = isNode ? jQuery.cache : elem, + id = isNode ? elem[jQuery.expando] : jQuery.expando; + + // If there is already no cache entry for this object, there is no + // purpose in continuing + if (!cache[id]) { + return; + } + + if (name) { + + thisCache = pvt ? cache[id] : cache[id].data; + + if (thisCache) { + + // Support array or space separated string names for data keys + if (!jQuery.isArray(name)) { + + // try the string as a key before any manipulation + if (name in thisCache) { + name = [name]; + } else { + + // split the camel cased version by spaces unless a key with the spaces exists + name = jQuery.camelCase(name); + if (name in thisCache) { + name = [name]; + } else { + name = name.split(" "); + } + } + } else { + // If "name" is an array of keys... + // When data is initially created, via ("key", "val") signature, + // keys will be converted to camelCase. + // Since there is no way to tell _how_ a key was added, remove + // both plain key and camelCase key. #12786 + // This will only penalize the array argument path. + name = name.concat(jQuery.map(name, jQuery.camelCase)); + } + + i = name.length; + while (i--) { + delete thisCache[name[i]]; + } + + // If there is no data left in the cache, we want to continue + // and let the cache object itself get destroyed + if (pvt ? !isEmptyDataObject(thisCache) : !jQuery.isEmptyObject(thisCache)) { + return; + } + } + } + + // See jQuery.data for more information + if (!pvt) { + delete cache[id].data; + + // Don't destroy the parent cache unless the internal data object + // had been the only thing left in it + if (!isEmptyDataObject(cache[id])) { + return; + } + } + + // Destroy the cache + if (isNode) { + jQuery.cleanData([elem], true); + + // Use delete when supported for expandos or `cache` is not a window per isWindow (#10080) + /* jshint eqeqeq: false */ + } else if (support.deleteExpando || cache != cache.window) { + /* jshint eqeqeq: true */ + delete cache[id]; + + // When all else fails, null + } else { + cache[id] = null; + } + } + + jQuery.extend({ + cache: {}, + + // The following elements (space-suffixed to avoid Object.prototype collisions) + // throw uncatchable exceptions if you attempt to set expando properties + noData: { + "applet ": true, + "embed ": true, + // ...but Flash objects (which have this classid) *can* handle expandos + "object ": "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" + }, + + hasData: function (elem) { + elem = elem.nodeType ? jQuery.cache[elem[jQuery.expando]] : elem[jQuery.expando]; + return !!elem && !isEmptyDataObject(elem); + }, + + data: function (elem, name, data) { + return internalData(elem, name, data); + }, + + removeData: function (elem, name) { + return internalRemoveData(elem, name); + }, + + // For internal use only. + _data: function (elem, name, data) { + return internalData(elem, name, data, true); + }, + + _removeData: function (elem, name) { + return internalRemoveData(elem, name, true); + } + }); + + jQuery.fn.extend({ + data: function (key, value) { + var i, name, data, + elem = this[0], + attrs = elem && elem.attributes; + + // Special expections of .data basically thwart jQuery.access, + // so implement the relevant behavior ourselves + + // Gets all values + if (key === undefined) { + if (this.length) { + data = jQuery.data(elem); + + if (elem.nodeType === 1 && !jQuery._data(elem, "parsedAttrs")) { + i = attrs.length; + while (i--) { + + // Support: IE11+ + // The attrs elements can be null (#14894) + if (attrs[i]) { + name = attrs[i].name; + if (name.indexOf("data-") === 0) { + name = jQuery.camelCase(name.slice(5)); + dataAttr(elem, name, data[name]); + } + } + } + jQuery._data(elem, "parsedAttrs", true); + } + } + + return data; + } + + // Sets multiple values + if (typeof key === "object") { + return this.each(function () { + jQuery.data(this, key); + }); + } + + return arguments.length > 1 ? + + // Sets one value + this.each(function () { + jQuery.data(this, key, value); + }) : + + // Gets one value + // Try to fetch any internally stored data first + elem ? dataAttr(elem, key, jQuery.data(elem, key)) : undefined; + }, + + removeData: function (key) { + return this.each(function () { + jQuery.removeData(this, key); + }); + } + }); + + + jQuery.extend({ + queue: function (elem, type, data) { + var queue; + + if (elem) { + type = (type || "fx") + "queue"; + queue = jQuery._data(elem, type); + + // Speed up dequeue by getting out quickly if this is just a lookup + if (data) { + if (!queue || jQuery.isArray(data)) { + queue = jQuery._data(elem, type, jQuery.makeArray(data)); + } else { + queue.push(data); + } + } + return queue || []; + } + }, + + dequeue: function (elem, type) { + type = type || "fx"; + + var queue = jQuery.queue(elem, type), + startLength = queue.length, + fn = queue.shift(), + hooks = jQuery._queueHooks(elem, type), + next = function () { + jQuery.dequeue(elem, type); + }; + + // If the fx queue is dequeued, always remove the progress sentinel + if (fn === "inprogress") { + fn = queue.shift(); + startLength--; + } + + if (fn) { + + // Add a progress sentinel to prevent the fx queue from being + // automatically dequeued + if (type === "fx") { + queue.unshift("inprogress"); + } + + // clear up the last queue stop function + delete hooks.stop; + fn.call(elem, next, hooks); + } + + if (!startLength && hooks) { + hooks.empty.fire(); + } + }, + + // not intended for public consumption - generates a queueHooks object, or returns the current one + _queueHooks: function (elem, type) { + var key = type + "queueHooks"; + return jQuery._data(elem, key) || jQuery._data(elem, key, { + empty: jQuery.Callbacks("once memory").add(function () { + jQuery._removeData(elem, type + "queue"); + jQuery._removeData(elem, key); + }) + }); + } + }); + + jQuery.fn.extend({ + queue: function (type, data) { + var setter = 2; + + if (typeof type !== "string") { + data = type; + type = "fx"; + setter--; + } + + if (arguments.length < setter) { + return jQuery.queue(this[0], type); + } + + return data === undefined ? + this : + this.each(function () { + var queue = jQuery.queue(this, type, data); + + // ensure a hooks for this queue + jQuery._queueHooks(this, type); + + if (type === "fx" && queue[0] !== "inprogress") { + jQuery.dequeue(this, type); + } + }); + }, + dequeue: function (type) { + return this.each(function () { + jQuery.dequeue(this, type); + }); + }, + clearQueue: function (type) { + return this.queue(type || "fx", []); + }, + // Get a promise resolved when queues of a certain type + // are emptied (fx is the type by default) + promise: function (type, obj) { + var tmp, + count = 1, + defer = jQuery.Deferred(), + elements = this, + i = this.length, + resolve = function () { + if (!(--count)) { + defer.resolveWith(elements, [elements]); + } + }; + + if (typeof type !== "string") { + obj = type; + type = undefined; + } + type = type || "fx"; + + while (i--) { + tmp = jQuery._data(elements[i], type + "queueHooks"); + if (tmp && tmp.empty) { + count++; + tmp.empty.add(resolve); + } + } + resolve(); + return defer.promise(obj); + } + }); + var pnum = (/[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/).source; + + var cssExpand = ["Top", "Right", "Bottom", "Left"]; + + var isHidden = function (elem, el) { + // isHidden might be called from jQuery#filter function; + // in that case, element will be second argument + elem = el || elem; + return jQuery.css(elem, "display") === "none" || !jQuery.contains(elem.ownerDocument, elem); + }; + + + + // Multifunctional method to get and set values of a collection + // The value/s can optionally be executed if it's a function + var access = jQuery.access = function (elems, fn, key, value, chainable, emptyGet, raw) { + var i = 0, + length = elems.length, + bulk = key == null; + + // Sets many values + if (jQuery.type(key) === "object") { + chainable = true; + for (i in key) { + jQuery.access(elems, fn, i, key[i], true, emptyGet, raw); + } + + // Sets one value + } else if (value !== undefined) { + chainable = true; + + if (!jQuery.isFunction(value)) { + raw = true; + } + + if (bulk) { + // Bulk operations run against the entire set + if (raw) { + fn.call(elems, value); + fn = null; + + // ...except when executing function values + } else { + bulk = fn; + fn = function (elem, key, value) { + return bulk.call(jQuery(elem), value); + }; + } + } + + if (fn) { + for (; i < length; i++) { + fn(elems[i], key, raw ? value : value.call(elems[i], i, fn(elems[i], key))); + } + } + } + + return chainable ? + elems : + + // Gets + bulk ? + fn.call(elems) : + length ? fn(elems[0], key) : emptyGet; + }; + var rcheckableType = (/^(?:checkbox|radio)$/i); + + + + (function () { + // Minified: var a,b,c + var input = document.createElement("input"), + div = document.createElement("div"), + fragment = document.createDocumentFragment(); + + // Setup + div.innerHTML = "
    a"; + + // IE strips leading whitespace when .innerHTML is used + support.leadingWhitespace = div.firstChild.nodeType === 3; + + // Make sure that tbody elements aren't automatically inserted + // IE will insert them into empty tables + support.tbody = !div.getElementsByTagName("tbody").length; + + // Make sure that link elements get serialized correctly by innerHTML + // This requires a wrapper element in IE + support.htmlSerialize = !!div.getElementsByTagName("link").length; + + // Makes sure cloning an html5 element does not cause problems + // Where outerHTML is undefined, this still works + support.html5Clone = + document.createElement("nav").cloneNode(true).outerHTML !== "<:nav>"; + + // Check if a disconnected checkbox will retain its checked + // value of true after appended to the DOM (IE6/7) + input.type = "checkbox"; + input.checked = true; + fragment.appendChild(input); + support.appendChecked = input.checked; + + // Make sure textarea (and checkbox) defaultValue is properly cloned + // Support: IE6-IE11+ + div.innerHTML = ""; + support.noCloneChecked = !!div.cloneNode(true).lastChild.defaultValue; + + // #11217 - WebKit loses check when the name is after the checked attribute + fragment.appendChild(div); + div.innerHTML = ""; + + // Support: Safari 5.1, iOS 5.1, Android 4.x, Android 2.3 + // old WebKit doesn't clone checked state correctly in fragments + support.checkClone = div.cloneNode(true).cloneNode(true).lastChild.checked; + + // Support: IE<9 + // Opera does not clone events (and typeof div.attachEvent === undefined). + // IE9-10 clones events bound via attachEvent, but they don't trigger with .click() + support.noCloneEvent = true; + if (div.attachEvent) { + div.attachEvent("onclick", function () { + support.noCloneEvent = false; + }); + + div.cloneNode(true).click(); + } + + // Execute the test only if not already executed in another module. + if (support.deleteExpando == null) { + // Support: IE<9 + support.deleteExpando = true; + try { + delete div.test; + } catch (e) { + support.deleteExpando = false; + } + } + })(); + + + (function () { + var i, eventName, + div = document.createElement("div"); + + // Support: IE<9 (lack submit/change bubble), Firefox 23+ (lack focusin event) + for (i in { submit: true, change: true, focusin: true }) { + eventName = "on" + i; + + if (!(support[i + "Bubbles"] = eventName in window)) { + // Beware of CSP restrictions (https://developer.mozilla.org/en/Security/CSP) + div.setAttribute(eventName, "t"); + support[i + "Bubbles"] = div.attributes[eventName].expando === false; + } + } + + // Null elements to avoid leaks in IE. + div = null; + })(); + + + var rformElems = /^(?:input|select|textarea)$/i, + rkeyEvent = /^key/, + rmouseEvent = /^(?:mouse|pointer|contextmenu)|click/, + rfocusMorph = /^(?:focusinfocus|focusoutblur)$/, + rtypenamespace = /^([^.]*)(?:\.(.+)|)$/; + + function returnTrue() { + return true; + } + + function returnFalse() { + return false; + } + + function safeActiveElement() { + try { + return document.activeElement; + } catch (err) { } + } + + /* + * Helper functions for managing events -- not part of the public interface. + * Props to Dean Edwards' addEvent library for many of the ideas. + */ + jQuery.event = { + + global: {}, + + add: function (elem, types, handler, data, selector) { + var tmp, events, t, handleObjIn, + special, eventHandle, handleObj, + handlers, type, namespaces, origType, + elemData = jQuery._data(elem); + + // Don't attach events to noData or text/comment nodes (but allow plain objects) + if (!elemData) { + return; + } + + // Caller can pass in an object of custom data in lieu of the handler + if (handler.handler) { + handleObjIn = handler; + handler = handleObjIn.handler; + selector = handleObjIn.selector; + } + + // Make sure that the handler has a unique ID, used to find/remove it later + if (!handler.guid) { + handler.guid = jQuery.guid++; + } + + // Init the element's event structure and main handler, if this is the first + if (!(events = elemData.events)) { + events = elemData.events = {}; + } + if (!(eventHandle = elemData.handle)) { + eventHandle = elemData.handle = function (e) { + // Discard the second event of a jQuery.event.trigger() and + // when an event is called after a page has unloaded + return typeof jQuery !== strundefined && (!e || jQuery.event.triggered !== e.type) ? + jQuery.event.dispatch.apply(eventHandle.elem, arguments) : + undefined; + }; + // Add elem as a property of the handle fn to prevent a memory leak with IE non-native events + eventHandle.elem = elem; + } + + // Handle multiple events separated by a space + types = (types || "").match(rnotwhite) || [""]; + t = types.length; + while (t--) { + tmp = rtypenamespace.exec(types[t]) || []; + type = origType = tmp[1]; + namespaces = (tmp[2] || "").split(".").sort(); + + // There *must* be a type, no attaching namespace-only handlers + if (!type) { + continue; + } + + // If event changes its type, use the special event handlers for the changed type + special = jQuery.event.special[type] || {}; + + // If selector defined, determine special event api type, otherwise given type + type = (selector ? special.delegateType : special.bindType) || type; + + // Update special based on newly reset type + special = jQuery.event.special[type] || {}; + + // handleObj is passed to all event handlers + handleObj = jQuery.extend({ + type: type, + origType: origType, + data: data, + handler: handler, + guid: handler.guid, + selector: selector, + needsContext: selector && jQuery.expr.match.needsContext.test(selector), + namespace: namespaces.join(".") + }, handleObjIn); + + // Init the event handler queue if we're the first + if (!(handlers = events[type])) { + handlers = events[type] = []; + handlers.delegateCount = 0; + + // Only use addEventListener/attachEvent if the special events handler returns false + if (!special.setup || special.setup.call(elem, data, namespaces, eventHandle) === false) { + // Bind the global event handler to the element + if (elem.addEventListener) { + elem.addEventListener(type, eventHandle, false); + + } else if (elem.attachEvent) { + elem.attachEvent("on" + type, eventHandle); + } + } + } + + if (special.add) { + special.add.call(elem, handleObj); + + if (!handleObj.handler.guid) { + handleObj.handler.guid = handler.guid; + } + } + + // Add to the element's handler list, delegates in front + if (selector) { + handlers.splice(handlers.delegateCount++, 0, handleObj); + } else { + handlers.push(handleObj); + } + + // Keep track of which events have ever been used, for event optimization + jQuery.event.global[type] = true; + } + + // Nullify elem to prevent memory leaks in IE + elem = null; + }, + + // Detach an event or set of events from an element + remove: function (elem, types, handler, selector, mappedTypes) { + var j, handleObj, tmp, + origCount, t, events, + special, handlers, type, + namespaces, origType, + elemData = jQuery.hasData(elem) && jQuery._data(elem); + + if (!elemData || !(events = elemData.events)) { + return; + } + + // Once for each type.namespace in types; type may be omitted + types = (types || "").match(rnotwhite) || [""]; + t = types.length; + while (t--) { + tmp = rtypenamespace.exec(types[t]) || []; + type = origType = tmp[1]; + namespaces = (tmp[2] || "").split(".").sort(); + + // Unbind all events (on this namespace, if provided) for the element + if (!type) { + for (type in events) { + jQuery.event.remove(elem, type + types[t], handler, selector, true); + } + continue; + } + + special = jQuery.event.special[type] || {}; + type = (selector ? special.delegateType : special.bindType) || type; + handlers = events[type] || []; + tmp = tmp[2] && new RegExp("(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)"); + + // Remove matching events + origCount = j = handlers.length; + while (j--) { + handleObj = handlers[j]; + + if ((mappedTypes || origType === handleObj.origType) && + (!handler || handler.guid === handleObj.guid) && + (!tmp || tmp.test(handleObj.namespace)) && + (!selector || selector === handleObj.selector || selector === "**" && handleObj.selector)) { + handlers.splice(j, 1); + + if (handleObj.selector) { + handlers.delegateCount--; + } + if (special.remove) { + special.remove.call(elem, handleObj); + } + } + } + + // Remove generic event handler if we removed something and no more handlers exist + // (avoids potential for endless recursion during removal of special event handlers) + if (origCount && !handlers.length) { + if (!special.teardown || special.teardown.call(elem, namespaces, elemData.handle) === false) { + jQuery.removeEvent(elem, type, elemData.handle); + } + + delete events[type]; + } + } + + // Remove the expando if it's no longer used + if (jQuery.isEmptyObject(events)) { + delete elemData.handle; + + // removeData also checks for emptiness and clears the expando if empty + // so use it instead of delete + jQuery._removeData(elem, "events"); + } + }, + + trigger: function (event, data, elem, onlyHandlers) { + var handle, ontype, cur, + bubbleType, special, tmp, i, + eventPath = [elem || document], + type = hasOwn.call(event, "type") ? event.type : event, + namespaces = hasOwn.call(event, "namespace") ? event.namespace.split(".") : []; + + cur = tmp = elem = elem || document; + + // Don't do events on text and comment nodes + if (elem.nodeType === 3 || elem.nodeType === 8) { + return; + } + + // focus/blur morphs to focusin/out; ensure we're not firing them right now + if (rfocusMorph.test(type + jQuery.event.triggered)) { + return; + } + + if (type.indexOf(".") >= 0) { + // Namespaced trigger; create a regexp to match event type in handle() + namespaces = type.split("."); + type = namespaces.shift(); + namespaces.sort(); + } + ontype = type.indexOf(":") < 0 && "on" + type; + + // Caller can pass in a jQuery.Event object, Object, or just an event type string + event = event[jQuery.expando] ? + event : + new jQuery.Event(type, typeof event === "object" && event); + + // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true) + event.isTrigger = onlyHandlers ? 2 : 3; + event.namespace = namespaces.join("."); + event.namespace_re = event.namespace ? + new RegExp("(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)") : + null; + + // Clean up the event in case it is being reused + event.result = undefined; + if (!event.target) { + event.target = elem; + } + + // Clone any incoming data and prepend the event, creating the handler arg list + data = data == null ? + [event] : + jQuery.makeArray(data, [event]); + + // Allow special events to draw outside the lines + special = jQuery.event.special[type] || {}; + if (!onlyHandlers && special.trigger && special.trigger.apply(elem, data) === false) { + return; + } + + // Determine event propagation path in advance, per W3C events spec (#9951) + // Bubble up to document, then to window; watch for a global ownerDocument var (#9724) + if (!onlyHandlers && !special.noBubble && !jQuery.isWindow(elem)) { + + bubbleType = special.delegateType || type; + if (!rfocusMorph.test(bubbleType + type)) { + cur = cur.parentNode; + } + for (; cur; cur = cur.parentNode) { + eventPath.push(cur); + tmp = cur; + } + + // Only add window if we got to document (e.g., not plain obj or detached DOM) + if (tmp === (elem.ownerDocument || document)) { + eventPath.push(tmp.defaultView || tmp.parentWindow || window); + } + } + + // Fire handlers on the event path + i = 0; + while ((cur = eventPath[i++]) && !event.isPropagationStopped()) { + + event.type = i > 1 ? + bubbleType : + special.bindType || type; + + // jQuery handler + handle = (jQuery._data(cur, "events") || {})[event.type] && jQuery._data(cur, "handle"); + if (handle) { + handle.apply(cur, data); + } + + // Native handler + handle = ontype && cur[ontype]; + if (handle && handle.apply && jQuery.acceptData(cur)) { + event.result = handle.apply(cur, data); + if (event.result === false) { + event.preventDefault(); + } + } + } + event.type = type; + + // If nobody prevented the default action, do it now + if (!onlyHandlers && !event.isDefaultPrevented()) { + + if ((!special._default || special._default.apply(eventPath.pop(), data) === false) && + jQuery.acceptData(elem)) { + + // Call a native DOM method on the target with the same name name as the event. + // Can't use an .isFunction() check here because IE6/7 fails that test. + // Don't do default actions on window, that's where global variables be (#6170) + if (ontype && elem[type] && !jQuery.isWindow(elem)) { + + // Don't re-trigger an onFOO event when we call its FOO() method + tmp = elem[ontype]; + + if (tmp) { + elem[ontype] = null; + } + + // Prevent re-triggering of the same event, since we already bubbled it above + jQuery.event.triggered = type; + try { + elem[type](); + } catch (e) { + // IE<9 dies on focus/blur to hidden element (#1486,#12518) + // only reproducible on winXP IE8 native, not IE9 in IE8 mode + } + jQuery.event.triggered = undefined; + + if (tmp) { + elem[ontype] = tmp; + } + } + } + } + + return event.result; + }, + + dispatch: function (event) { + + // Make a writable jQuery.Event from the native event object + event = jQuery.event.fix(event); + + var i, ret, handleObj, matched, j, + handlerQueue = [], + args = slice.call(arguments), + handlers = (jQuery._data(this, "events") || {})[event.type] || [], + special = jQuery.event.special[event.type] || {}; + + // Use the fix-ed jQuery.Event rather than the (read-only) native event + args[0] = event; + event.delegateTarget = this; + + // Call the preDispatch hook for the mapped type, and let it bail if desired + if (special.preDispatch && special.preDispatch.call(this, event) === false) { + return; + } + + // Determine handlers + handlerQueue = jQuery.event.handlers.call(this, event, handlers); + + // Run delegates first; they may want to stop propagation beneath us + i = 0; + while ((matched = handlerQueue[i++]) && !event.isPropagationStopped()) { + event.currentTarget = matched.elem; + + j = 0; + while ((handleObj = matched.handlers[j++]) && !event.isImmediatePropagationStopped()) { + + // Triggered event must either 1) have no namespace, or + // 2) have namespace(s) a subset or equal to those in the bound event (both can have no namespace). + if (!event.namespace_re || event.namespace_re.test(handleObj.namespace)) { + + event.handleObj = handleObj; + event.data = handleObj.data; + + ret = ((jQuery.event.special[handleObj.origType] || {}).handle || handleObj.handler) + .apply(matched.elem, args); + + if (ret !== undefined) { + if ((event.result = ret) === false) { + event.preventDefault(); + event.stopPropagation(); + } + } + } + } + } + + // Call the postDispatch hook for the mapped type + if (special.postDispatch) { + special.postDispatch.call(this, event); + } + + return event.result; + }, + + handlers: function (event, handlers) { + var sel, handleObj, matches, i, + handlerQueue = [], + delegateCount = handlers.delegateCount, + cur = event.target; + + // Find delegate handlers + // Black-hole SVG instance trees (#13180) + // Avoid non-left-click bubbling in Firefox (#3861) + if (delegateCount && cur.nodeType && (!event.button || event.type !== "click")) { + + /* jshint eqeqeq: false */ + for (; cur != this; cur = cur.parentNode || this) { + /* jshint eqeqeq: true */ + + // Don't check non-elements (#13208) + // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764) + if (cur.nodeType === 1 && (cur.disabled !== true || event.type !== "click")) { + matches = []; + for (i = 0; i < delegateCount; i++) { + handleObj = handlers[i]; + + // Don't conflict with Object.prototype properties (#13203) + sel = handleObj.selector + " "; + + if (matches[sel] === undefined) { + matches[sel] = handleObj.needsContext ? + jQuery(sel, this).index(cur) >= 0 : + jQuery.find(sel, this, null, [cur]).length; + } + if (matches[sel]) { + matches.push(handleObj); + } + } + if (matches.length) { + handlerQueue.push({ elem: cur, handlers: matches }); + } + } + } + } + + // Add the remaining (directly-bound) handlers + if (delegateCount < handlers.length) { + handlerQueue.push({ elem: this, handlers: handlers.slice(delegateCount) }); + } + + return handlerQueue; + }, + + fix: function (event) { + if (event[jQuery.expando]) { + return event; + } + + // Create a writable copy of the event object and normalize some properties + var i, prop, copy, + type = event.type, + originalEvent = event, + fixHook = this.fixHooks[type]; + + if (!fixHook) { + this.fixHooks[type] = fixHook = + rmouseEvent.test(type) ? this.mouseHooks : + rkeyEvent.test(type) ? this.keyHooks : + {}; + } + copy = fixHook.props ? this.props.concat(fixHook.props) : this.props; + + event = new jQuery.Event(originalEvent); + + i = copy.length; + while (i--) { + prop = copy[i]; + event[prop] = originalEvent[prop]; + } + + // Support: IE<9 + // Fix target property (#1925) + if (!event.target) { + event.target = originalEvent.srcElement || document; + } + + // Support: Chrome 23+, Safari? + // Target should not be a text node (#504, #13143) + if (event.target.nodeType === 3) { + event.target = event.target.parentNode; + } + + // Support: IE<9 + // For mouse/key events, metaKey==false if it's undefined (#3368, #11328) + event.metaKey = !!event.metaKey; + + return fixHook.filter ? fixHook.filter(event, originalEvent) : event; + }, + + // Includes some event props shared by KeyEvent and MouseEvent + props: "altKey bubbles cancelable ctrlKey currentTarget eventPhase metaKey relatedTarget shiftKey target timeStamp view which".split(" "), + + fixHooks: {}, + + keyHooks: { + props: "char charCode key keyCode".split(" "), + filter: function (event, original) { + + // Add which for key events + if (event.which == null) { + event.which = original.charCode != null ? original.charCode : original.keyCode; + } + + return event; + } + }, + + mouseHooks: { + props: "button buttons clientX clientY fromElement offsetX offsetY pageX pageY screenX screenY toElement".split(" "), + filter: function (event, original) { + var body, eventDoc, doc, + button = original.button, + fromElement = original.fromElement; + + // Calculate pageX/Y if missing and clientX/Y available + if (event.pageX == null && original.clientX != null) { + eventDoc = event.target.ownerDocument || document; + doc = eventDoc.documentElement; + body = eventDoc.body; + + event.pageX = original.clientX + (doc && doc.scrollLeft || body && body.scrollLeft || 0) - (doc && doc.clientLeft || body && body.clientLeft || 0); + event.pageY = original.clientY + (doc && doc.scrollTop || body && body.scrollTop || 0) - (doc && doc.clientTop || body && body.clientTop || 0); + } + + // Add relatedTarget, if necessary + if (!event.relatedTarget && fromElement) { + event.relatedTarget = fromElement === event.target ? original.toElement : fromElement; + } + + // Add which for click: 1 === left; 2 === middle; 3 === right + // Note: button is not normalized, so don't use it + if (!event.which && button !== undefined) { + event.which = (button & 1 ? 1 : (button & 2 ? 3 : (button & 4 ? 2 : 0))); + } + + return event; + } + }, + + special: { + load: { + // Prevent triggered image.load events from bubbling to window.load + noBubble: true + }, + focus: { + // Fire native event if possible so blur/focus sequence is correct + trigger: function () { + if (this !== safeActiveElement() && this.focus) { + try { + this.focus(); + return false; + } catch (e) { + // Support: IE<9 + // If we error on focus to hidden element (#1486, #12518), + // let .trigger() run the handlers + } + } + }, + delegateType: "focusin" + }, + blur: { + trigger: function () { + if (this === safeActiveElement() && this.blur) { + this.blur(); + return false; + } + }, + delegateType: "focusout" + }, + click: { + // For checkbox, fire native event so checked state will be right + trigger: function () { + if (jQuery.nodeName(this, "input") && this.type === "checkbox" && this.click) { + this.click(); + return false; + } + }, + + // For cross-browser consistency, don't fire native .click() on links + _default: function (event) { + return jQuery.nodeName(event.target, "a"); + } + }, + + beforeunload: { + postDispatch: function (event) { + + // Support: Firefox 20+ + // Firefox doesn't alert if the returnValue field is not set. + if (event.result !== undefined && event.originalEvent) { + event.originalEvent.returnValue = event.result; + } + } + } + }, + + simulate: function (type, elem, event, bubble) { + // Piggyback on a donor event to simulate a different one. + // Fake originalEvent to avoid donor's stopPropagation, but if the + // simulated event prevents default then we do the same on the donor. + var e = jQuery.extend( + new jQuery.Event(), + event, + { + type: type, + isSimulated: true, + originalEvent: {} + } + ); + if (bubble) { + jQuery.event.trigger(e, null, elem); + } else { + jQuery.event.dispatch.call(elem, e); + } + if (e.isDefaultPrevented()) { + event.preventDefault(); + } + } + }; + + jQuery.removeEvent = document.removeEventListener ? + function (elem, type, handle) { + if (elem.removeEventListener) { + elem.removeEventListener(type, handle, false); + } + } : + function (elem, type, handle) { + var name = "on" + type; + + if (elem.detachEvent) { + + // #8545, #7054, preventing memory leaks for custom events in IE6-8 + // detachEvent needed property on element, by name of that event, to properly expose it to GC + if (typeof elem[name] === strundefined) { + elem[name] = null; + } + + elem.detachEvent(name, handle); + } + }; + + jQuery.Event = function (src, props) { + // Allow instantiation without the 'new' keyword + if (!(this instanceof jQuery.Event)) { + return new jQuery.Event(src, props); + } + + // Event object + if (src && src.type) { + this.originalEvent = src; + this.type = src.type; + + // Events bubbling up the document may have been marked as prevented + // by a handler lower down the tree; reflect the correct value. + this.isDefaultPrevented = src.defaultPrevented || + src.defaultPrevented === undefined && + // Support: IE < 9, Android < 4.0 + src.returnValue === false ? + returnTrue : + returnFalse; + + // Event type + } else { + this.type = src; + } + + // Put explicitly provided properties onto the event object + if (props) { + jQuery.extend(this, props); + } + + // Create a timestamp if incoming event doesn't have one + this.timeStamp = src && src.timeStamp || jQuery.now(); + + // Mark it as fixed + this[jQuery.expando] = true; + }; + + // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding + // http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html + jQuery.Event.prototype = { + isDefaultPrevented: returnFalse, + isPropagationStopped: returnFalse, + isImmediatePropagationStopped: returnFalse, + + preventDefault: function () { + var e = this.originalEvent; + + this.isDefaultPrevented = returnTrue; + if (!e) { + return; + } + + // If preventDefault exists, run it on the original event + if (e.preventDefault) { + e.preventDefault(); + + // Support: IE + // Otherwise set the returnValue property of the original event to false + } else { + e.returnValue = false; + } + }, + stopPropagation: function () { + var e = this.originalEvent; + + this.isPropagationStopped = returnTrue; + if (!e) { + return; + } + // If stopPropagation exists, run it on the original event + if (e.stopPropagation) { + e.stopPropagation(); + } + + // Support: IE + // Set the cancelBubble property of the original event to true + e.cancelBubble = true; + }, + stopImmediatePropagation: function () { + var e = this.originalEvent; + + this.isImmediatePropagationStopped = returnTrue; + + if (e && e.stopImmediatePropagation) { + e.stopImmediatePropagation(); + } + + this.stopPropagation(); + } + }; + + // Create mouseenter/leave events using mouseover/out and event-time checks + jQuery.each({ + mouseenter: "mouseover", + mouseleave: "mouseout", + pointerenter: "pointerover", + pointerleave: "pointerout" + }, function (orig, fix) { + jQuery.event.special[orig] = { + delegateType: fix, + bindType: fix, + + handle: function (event) { + var ret, + target = this, + related = event.relatedTarget, + handleObj = event.handleObj; + + // For mousenter/leave call the handler if related is outside the target. + // NB: No relatedTarget if the mouse left/entered the browser window + if (!related || (related !== target && !jQuery.contains(target, related))) { + event.type = handleObj.origType; + ret = handleObj.handler.apply(this, arguments); + event.type = fix; + } + return ret; + } + }; + }); + + // IE submit delegation + if (!support.submitBubbles) { + + jQuery.event.special.submit = { + setup: function () { + // Only need this for delegated form submit events + if (jQuery.nodeName(this, "form")) { + return false; + } + + // Lazy-add a submit handler when a descendant form may potentially be submitted + jQuery.event.add(this, "click._submit keypress._submit", function (e) { + // Node name check avoids a VML-related crash in IE (#9807) + var elem = e.target, + form = jQuery.nodeName(elem, "input") || jQuery.nodeName(elem, "button") ? elem.form : undefined; + if (form && !jQuery._data(form, "submitBubbles")) { + jQuery.event.add(form, "submit._submit", function (event) { + event._submit_bubble = true; + }); + jQuery._data(form, "submitBubbles", true); + } + }); + // return undefined since we don't need an event listener + }, + + postDispatch: function (event) { + // If form was submitted by the user, bubble the event up the tree + if (event._submit_bubble) { + delete event._submit_bubble; + if (this.parentNode && !event.isTrigger) { + jQuery.event.simulate("submit", this.parentNode, event, true); + } + } + }, + + teardown: function () { + // Only need this for delegated form submit events + if (jQuery.nodeName(this, "form")) { + return false; + } + + // Remove delegated handlers; cleanData eventually reaps submit handlers attached above + jQuery.event.remove(this, "._submit"); + } + }; + } + + // IE change delegation and checkbox/radio fix + if (!support.changeBubbles) { + + jQuery.event.special.change = { + + setup: function () { + + if (rformElems.test(this.nodeName)) { + // IE doesn't fire change on a check/radio until blur; trigger it on click + // after a propertychange. Eat the blur-change in special.change.handle. + // This still fires onchange a second time for check/radio after blur. + if (this.type === "checkbox" || this.type === "radio") { + jQuery.event.add(this, "propertychange._change", function (event) { + if (event.originalEvent.propertyName === "checked") { + this._just_changed = true; + } + }); + jQuery.event.add(this, "click._change", function (event) { + if (this._just_changed && !event.isTrigger) { + this._just_changed = false; + } + // Allow triggered, simulated change events (#11500) + jQuery.event.simulate("change", this, event, true); + }); + } + return false; + } + // Delegated event; lazy-add a change handler on descendant inputs + jQuery.event.add(this, "beforeactivate._change", function (e) { + var elem = e.target; + + if (rformElems.test(elem.nodeName) && !jQuery._data(elem, "changeBubbles")) { + jQuery.event.add(elem, "change._change", function (event) { + if (this.parentNode && !event.isSimulated && !event.isTrigger) { + jQuery.event.simulate("change", this.parentNode, event, true); + } + }); + jQuery._data(elem, "changeBubbles", true); + } + }); + }, + + handle: function (event) { + var elem = event.target; + + // Swallow native change events from checkbox/radio, we already triggered them above + if (this !== elem || event.isSimulated || event.isTrigger || (elem.type !== "radio" && elem.type !== "checkbox")) { + return event.handleObj.handler.apply(this, arguments); + } + }, + + teardown: function () { + jQuery.event.remove(this, "._change"); + + return !rformElems.test(this.nodeName); + } + }; + } + + // Create "bubbling" focus and blur events + if (!support.focusinBubbles) { + jQuery.each({ focus: "focusin", blur: "focusout" }, function (orig, fix) { + + // Attach a single capturing handler on the document while someone wants focusin/focusout + var handler = function (event) { + jQuery.event.simulate(fix, event.target, jQuery.event.fix(event), true); + }; + + jQuery.event.special[fix] = { + setup: function () { + var doc = this.ownerDocument || this, + attaches = jQuery._data(doc, fix); + + if (!attaches) { + doc.addEventListener(orig, handler, true); + } + jQuery._data(doc, fix, (attaches || 0) + 1); + }, + teardown: function () { + var doc = this.ownerDocument || this, + attaches = jQuery._data(doc, fix) - 1; + + if (!attaches) { + doc.removeEventListener(orig, handler, true); + jQuery._removeData(doc, fix); + } else { + jQuery._data(doc, fix, attaches); + } + } + }; + }); + } + + jQuery.fn.extend({ + + on: function (types, selector, data, fn, /*INTERNAL*/ one) { + var type, origFn; + + // Types can be a map of types/handlers + if (typeof types === "object") { + // ( types-Object, selector, data ) + if (typeof selector !== "string") { + // ( types-Object, data ) + data = data || selector; + selector = undefined; + } + for (type in types) { + this.on(type, selector, data, types[type], one); + } + return this; + } + + if (data == null && fn == null) { + // ( types, fn ) + fn = selector; + data = selector = undefined; + } else if (fn == null) { + if (typeof selector === "string") { + // ( types, selector, fn ) + fn = data; + data = undefined; + } else { + // ( types, data, fn ) + fn = data; + data = selector; + selector = undefined; + } + } + if (fn === false) { + fn = returnFalse; + } else if (!fn) { + return this; + } + + if (one === 1) { + origFn = fn; + fn = function (event) { + // Can use an empty set, since event contains the info + jQuery().off(event); + return origFn.apply(this, arguments); + }; + // Use same guid so caller can remove using origFn + fn.guid = origFn.guid || (origFn.guid = jQuery.guid++); + } + return this.each(function () { + jQuery.event.add(this, types, fn, data, selector); + }); + }, + one: function (types, selector, data, fn) { + return this.on(types, selector, data, fn, 1); + }, + off: function (types, selector, fn) { + var handleObj, type; + if (types && types.preventDefault && types.handleObj) { + // ( event ) dispatched jQuery.Event + handleObj = types.handleObj; + jQuery(types.delegateTarget).off( + handleObj.namespace ? handleObj.origType + "." + handleObj.namespace : handleObj.origType, + handleObj.selector, + handleObj.handler + ); + return this; + } + if (typeof types === "object") { + // ( types-object [, selector] ) + for (type in types) { + this.off(type, selector, types[type]); + } + return this; + } + if (selector === false || typeof selector === "function") { + // ( types [, fn] ) + fn = selector; + selector = undefined; + } + if (fn === false) { + fn = returnFalse; + } + return this.each(function () { + jQuery.event.remove(this, types, fn, selector); + }); + }, + + trigger: function (type, data) { + return this.each(function () { + jQuery.event.trigger(type, data, this); + }); + }, + triggerHandler: function (type, data) { + var elem = this[0]; + if (elem) { + return jQuery.event.trigger(type, data, elem, true); + } + } + }); + + + function createSafeFragment(document) { + var list = nodeNames.split("|"), + safeFrag = document.createDocumentFragment(); + + if (safeFrag.createElement) { + while (list.length) { + safeFrag.createElement( + list.pop() + ); + } + } + return safeFrag; + } + + var nodeNames = "abbr|article|aside|audio|bdi|canvas|data|datalist|details|figcaption|figure|footer|" + + "header|hgroup|mark|meter|nav|output|progress|section|summary|time|video", + rinlinejQuery = / jQuery\d+="(?:null|\d+)"/g, + rnoshimcache = new RegExp("<(?:" + nodeNames + ")[\\s/>]", "i"), + rleadingWhitespace = /^\s+/, + rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi, + rtagName = /<([\w:]+)/, + rtbody = /\s*$/g, + + // We have to close these tags to support XHTML (#13200) + wrapMap = { + option: [1, ""], + legend: [1, "
    ", "
    "], + area: [1, "", ""], + param: [1, "", ""], + thead: [1, "", "
    "], + tr: [2, "", "
    "], + col: [2, "", "
    "], + td: [3, "", "
    "], + + // IE6-8 can't serialize link, script, style, or any html5 (NoScope) tags, + // unless wrapped in a div with non-breaking characters in front of it. + _default: support.htmlSerialize ? [0, "", ""] : [1, "X
    ", "
    "] + }, + safeFragment = createSafeFragment(document), + fragmentDiv = safeFragment.appendChild(document.createElement("div")); + + wrapMap.optgroup = wrapMap.option; + wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead; + wrapMap.th = wrapMap.td; + + function getAll(context, tag) { + var elems, elem, + i = 0, + found = typeof context.getElementsByTagName !== strundefined ? context.getElementsByTagName(tag || "*") : + typeof context.querySelectorAll !== strundefined ? context.querySelectorAll(tag || "*") : + undefined; + + if (!found) { + for (found = [], elems = context.childNodes || context; (elem = elems[i]) != null; i++) { + if (!tag || jQuery.nodeName(elem, tag)) { + found.push(elem); + } else { + jQuery.merge(found, getAll(elem, tag)); + } + } + } + + return tag === undefined || tag && jQuery.nodeName(context, tag) ? + jQuery.merge([context], found) : + found; + } + + // Used in buildFragment, fixes the defaultChecked property + function fixDefaultChecked(elem) { + if (rcheckableType.test(elem.type)) { + elem.defaultChecked = elem.checked; + } + } + + // Support: IE<8 + // Manipulating tables requires a tbody + function manipulationTarget(elem, content) { + return jQuery.nodeName(elem, "table") && + jQuery.nodeName(content.nodeType !== 11 ? content : content.firstChild, "tr") ? + + elem.getElementsByTagName("tbody")[0] || + elem.appendChild(elem.ownerDocument.createElement("tbody")) : + elem; + } + + // Replace/restore the type attribute of script elements for safe DOM manipulation + function disableScript(elem) { + elem.type = (jQuery.find.attr(elem, "type") !== null) + "/" + elem.type; + return elem; + } + function restoreScript(elem) { + var match = rscriptTypeMasked.exec(elem.type); + if (match) { + elem.type = match[1]; + } else { + elem.removeAttribute("type"); + } + return elem; + } + + // Mark scripts as having already been evaluated + function setGlobalEval(elems, refElements) { + var elem, + i = 0; + for (; (elem = elems[i]) != null; i++) { + jQuery._data(elem, "globalEval", !refElements || jQuery._data(refElements[i], "globalEval")); + } + } + + function cloneCopyEvent(src, dest) { + + if (dest.nodeType !== 1 || !jQuery.hasData(src)) { + return; + } + + var type, i, l, + oldData = jQuery._data(src), + curData = jQuery._data(dest, oldData), + events = oldData.events; + + if (events) { + delete curData.handle; + curData.events = {}; + + for (type in events) { + for (i = 0, l = events[type].length; i < l; i++) { + jQuery.event.add(dest, type, events[type][i]); + } + } + } + + // make the cloned public data object a copy from the original + if (curData.data) { + curData.data = jQuery.extend({}, curData.data); + } + } + + function fixCloneNodeIssues(src, dest) { + var nodeName, e, data; + + // We do not need to do anything for non-Elements + if (dest.nodeType !== 1) { + return; + } + + nodeName = dest.nodeName.toLowerCase(); + + // IE6-8 copies events bound via attachEvent when using cloneNode. + if (!support.noCloneEvent && dest[jQuery.expando]) { + data = jQuery._data(dest); + + for (e in data.events) { + jQuery.removeEvent(dest, e, data.handle); + } + + // Event data gets referenced instead of copied if the expando gets copied too + dest.removeAttribute(jQuery.expando); + } + + // IE blanks contents when cloning scripts, and tries to evaluate newly-set text + if (nodeName === "script" && dest.text !== src.text) { + disableScript(dest).text = src.text; + restoreScript(dest); + + // IE6-10 improperly clones children of object elements using classid. + // IE10 throws NoModificationAllowedError if parent is null, #12132. + } else if (nodeName === "object") { + if (dest.parentNode) { + dest.outerHTML = src.outerHTML; + } + + // This path appears unavoidable for IE9. When cloning an object + // element in IE9, the outerHTML strategy above is not sufficient. + // If the src has innerHTML and the destination does not, + // copy the src.innerHTML into the dest.innerHTML. #10324 + if (support.html5Clone && (src.innerHTML && !jQuery.trim(dest.innerHTML))) { + dest.innerHTML = src.innerHTML; + } + + } else if (nodeName === "input" && rcheckableType.test(src.type)) { + // IE6-8 fails to persist the checked state of a cloned checkbox + // or radio button. Worse, IE6-7 fail to give the cloned element + // a checked appearance if the defaultChecked value isn't also set + + dest.defaultChecked = dest.checked = src.checked; + + // IE6-7 get confused and end up setting the value of a cloned + // checkbox/radio button to an empty string instead of "on" + if (dest.value !== src.value) { + dest.value = src.value; + } + + // IE6-8 fails to return the selected option to the default selected + // state when cloning options + } else if (nodeName === "option") { + dest.defaultSelected = dest.selected = src.defaultSelected; + + // IE6-8 fails to set the defaultValue to the correct value when + // cloning other types of input fields + } else if (nodeName === "input" || nodeName === "textarea") { + dest.defaultValue = src.defaultValue; + } + } + + jQuery.extend({ + clone: function (elem, dataAndEvents, deepDataAndEvents) { + var destElements, node, clone, i, srcElements, + inPage = jQuery.contains(elem.ownerDocument, elem); + + if (support.html5Clone || jQuery.isXMLDoc(elem) || !rnoshimcache.test("<" + elem.nodeName + ">")) { + clone = elem.cloneNode(true); + + // IE<=8 does not properly clone detached, unknown element nodes + } else { + fragmentDiv.innerHTML = elem.outerHTML; + fragmentDiv.removeChild(clone = fragmentDiv.firstChild); + } + + if ((!support.noCloneEvent || !support.noCloneChecked) && + (elem.nodeType === 1 || elem.nodeType === 11) && !jQuery.isXMLDoc(elem)) { + + // We eschew Sizzle here for performance reasons: http://jsperf.com/getall-vs-sizzle/2 + destElements = getAll(clone); + srcElements = getAll(elem); + + // Fix all IE cloning issues + for (i = 0; (node = srcElements[i]) != null; ++i) { + // Ensure that the destination node is not null; Fixes #9587 + if (destElements[i]) { + fixCloneNodeIssues(node, destElements[i]); + } + } + } + + // Copy the events from the original to the clone + if (dataAndEvents) { + if (deepDataAndEvents) { + srcElements = srcElements || getAll(elem); + destElements = destElements || getAll(clone); + + for (i = 0; (node = srcElements[i]) != null; i++) { + cloneCopyEvent(node, destElements[i]); + } + } else { + cloneCopyEvent(elem, clone); + } + } + + // Preserve script evaluation history + destElements = getAll(clone, "script"); + if (destElements.length > 0) { + setGlobalEval(destElements, !inPage && getAll(elem, "script")); + } + + destElements = srcElements = node = null; + + // Return the cloned set + return clone; + }, + + buildFragment: function (elems, context, scripts, selection) { + var j, elem, contains, + tmp, tag, tbody, wrap, + l = elems.length, + + // Ensure a safe fragment + safe = createSafeFragment(context), + + nodes = [], + i = 0; + + for (; i < l; i++) { + elem = elems[i]; + + if (elem || elem === 0) { + + // Add nodes directly + if (jQuery.type(elem) === "object") { + jQuery.merge(nodes, elem.nodeType ? [elem] : elem); + + // Convert non-html into a text node + } else if (!rhtml.test(elem)) { + nodes.push(context.createTextNode(elem)); + + // Convert html into DOM nodes + } else { + tmp = tmp || safe.appendChild(context.createElement("div")); + + // Deserialize a standard representation + tag = (rtagName.exec(elem) || ["", ""])[1].toLowerCase(); + wrap = wrapMap[tag] || wrapMap._default; + + tmp.innerHTML = wrap[1] + elem.replace(rxhtmlTag, "<$1>") + wrap[2]; + + // Descend through wrappers to the right content + j = wrap[0]; + while (j--) { + tmp = tmp.lastChild; + } + + // Manually add leading whitespace removed by IE + if (!support.leadingWhitespace && rleadingWhitespace.test(elem)) { + nodes.push(context.createTextNode(rleadingWhitespace.exec(elem)[0])); + } + + // Remove IE's autoinserted from table fragments + if (!support.tbody) { + + // String was a , *may* have spurious + elem = tag === "table" && !rtbody.test(elem) ? + tmp.firstChild : + + // String was a bare or + wrap[1] === "
    " && !rtbody.test(elem) ? + tmp : + 0; + + j = elem && elem.childNodes.length; + while (j--) { + if (jQuery.nodeName((tbody = elem.childNodes[j]), "tbody") && !tbody.childNodes.length) { + elem.removeChild(tbody); + } + } + } + + jQuery.merge(nodes, tmp.childNodes); + + // Fix #12392 for WebKit and IE > 9 + tmp.textContent = ""; + + // Fix #12392 for oldIE + while (tmp.firstChild) { + tmp.removeChild(tmp.firstChild); + } + + // Remember the top-level container for proper cleanup + tmp = safe.lastChild; + } + } + } + + // Fix #11356: Clear elements from fragment + if (tmp) { + safe.removeChild(tmp); + } + + // Reset defaultChecked for any radios and checkboxes + // about to be appended to the DOM in IE 6/7 (#8060) + if (!support.appendChecked) { + jQuery.grep(getAll(nodes, "input"), fixDefaultChecked); + } + + i = 0; + while ((elem = nodes[i++])) { + + // #4087 - If origin and destination elements are the same, and this is + // that element, do not do anything + if (selection && jQuery.inArray(elem, selection) !== -1) { + continue; + } + + contains = jQuery.contains(elem.ownerDocument, elem); + + // Append to fragment + tmp = getAll(safe.appendChild(elem), "script"); + + // Preserve script evaluation history + if (contains) { + setGlobalEval(tmp); + } + + // Capture executables + if (scripts) { + j = 0; + while ((elem = tmp[j++])) { + if (rscriptType.test(elem.type || "")) { + scripts.push(elem); + } + } + } + } + + tmp = null; + + return safe; + }, + + cleanData: function (elems, /* internal */ acceptData) { + var elem, type, id, data, + i = 0, + internalKey = jQuery.expando, + cache = jQuery.cache, + deleteExpando = support.deleteExpando, + special = jQuery.event.special; + + for (; (elem = elems[i]) != null; i++) { + if (acceptData || jQuery.acceptData(elem)) { + + id = elem[internalKey]; + data = id && cache[id]; + + if (data) { + if (data.events) { + for (type in data.events) { + if (special[type]) { + jQuery.event.remove(elem, type); + + // This is a shortcut to avoid jQuery.event.remove's overhead + } else { + jQuery.removeEvent(elem, type, data.handle); + } + } + } + + // Remove cache only if it was not already removed by jQuery.event.remove + if (cache[id]) { + + delete cache[id]; + + // IE does not allow us to delete expando properties from nodes, + // nor does it have a removeAttribute function on Document nodes; + // we must handle all of these cases + if (deleteExpando) { + delete elem[internalKey]; + + } else if (typeof elem.removeAttribute !== strundefined) { + elem.removeAttribute(internalKey); + + } else { + elem[internalKey] = null; + } + + deletedIds.push(id); + } + } + } + } + } + }); + + jQuery.fn.extend({ + text: function (value) { + return access(this, function (value) { + return value === undefined ? + jQuery.text(this) : + this.empty().append((this[0] && this[0].ownerDocument || document).createTextNode(value)); + }, null, value, arguments.length); + }, + + append: function () { + return this.domManip(arguments, function (elem) { + if (this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9) { + var target = manipulationTarget(this, elem); + target.appendChild(elem); + } + }); + }, + + prepend: function () { + return this.domManip(arguments, function (elem) { + if (this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9) { + var target = manipulationTarget(this, elem); + target.insertBefore(elem, target.firstChild); + } + }); + }, + + before: function () { + return this.domManip(arguments, function (elem) { + if (this.parentNode) { + this.parentNode.insertBefore(elem, this); + } + }); + }, + + after: function () { + return this.domManip(arguments, function (elem) { + if (this.parentNode) { + this.parentNode.insertBefore(elem, this.nextSibling); + } + }); + }, + + remove: function (selector, keepData /* Internal Use Only */) { + var elem, + elems = selector ? jQuery.filter(selector, this) : this, + i = 0; + + for (; (elem = elems[i]) != null; i++) { + + if (!keepData && elem.nodeType === 1) { + jQuery.cleanData(getAll(elem)); + } + + if (elem.parentNode) { + if (keepData && jQuery.contains(elem.ownerDocument, elem)) { + setGlobalEval(getAll(elem, "script")); + } + elem.parentNode.removeChild(elem); + } + } + + return this; + }, + + empty: function () { + var elem, + i = 0; + + for (; (elem = this[i]) != null; i++) { + // Remove element nodes and prevent memory leaks + if (elem.nodeType === 1) { + jQuery.cleanData(getAll(elem, false)); + } + + // Remove any remaining nodes + while (elem.firstChild) { + elem.removeChild(elem.firstChild); + } + + // If this is a select, ensure that it displays empty (#12336) + // Support: IE<9 + if (elem.options && jQuery.nodeName(elem, "select")) { + elem.options.length = 0; + } + } + + return this; + }, + + clone: function (dataAndEvents, deepDataAndEvents) { + dataAndEvents = dataAndEvents == null ? false : dataAndEvents; + deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents; + + return this.map(function () { + return jQuery.clone(this, dataAndEvents, deepDataAndEvents); + }); + }, + + html: function (value) { + return access(this, function (value) { + var elem = this[0] || {}, + i = 0, + l = this.length; + + if (value === undefined) { + return elem.nodeType === 1 ? + elem.innerHTML.replace(rinlinejQuery, "") : + undefined; + } + + // See if we can take a shortcut and just use innerHTML + if (typeof value === "string" && !rnoInnerhtml.test(value) && + (support.htmlSerialize || !rnoshimcache.test(value)) && + (support.leadingWhitespace || !rleadingWhitespace.test(value)) && + !wrapMap[(rtagName.exec(value) || ["", ""])[1].toLowerCase()]) { + + value = value.replace(rxhtmlTag, "<$1>"); + + try { + for (; i < l; i++) { + // Remove element nodes and prevent memory leaks + elem = this[i] || {}; + if (elem.nodeType === 1) { + jQuery.cleanData(getAll(elem, false)); + elem.innerHTML = value; + } + } + + elem = 0; + + // If using innerHTML throws an exception, use the fallback method + } catch (e) { } + } + + if (elem) { + this.empty().append(value); + } + }, null, value, arguments.length); + }, + + replaceWith: function () { + var arg = arguments[0]; + + // Make the changes, replacing each context element with the new content + this.domManip(arguments, function (elem) { + arg = this.parentNode; + + jQuery.cleanData(getAll(this)); + + if (arg) { + arg.replaceChild(elem, this); + } + }); + + // Force removal if there was no new content (e.g., from empty arguments) + return arg && (arg.length || arg.nodeType) ? this : this.remove(); + }, + + detach: function (selector) { + return this.remove(selector, true); + }, + + domManip: function (args, callback) { + + // Flatten any nested arrays + args = concat.apply([], args); + + var first, node, hasScripts, + scripts, doc, fragment, + i = 0, + l = this.length, + set = this, + iNoClone = l - 1, + value = args[0], + isFunction = jQuery.isFunction(value); + + // We can't cloneNode fragments that contain checked, in WebKit + if (isFunction || + (l > 1 && typeof value === "string" && + !support.checkClone && rchecked.test(value))) { + return this.each(function (index) { + var self = set.eq(index); + if (isFunction) { + args[0] = value.call(this, index, self.html()); + } + self.domManip(args, callback); + }); + } + + if (l) { + fragment = jQuery.buildFragment(args, this[0].ownerDocument, false, this); + first = fragment.firstChild; + + if (fragment.childNodes.length === 1) { + fragment = first; + } + + if (first) { + scripts = jQuery.map(getAll(fragment, "script"), disableScript); + hasScripts = scripts.length; + + // Use the original fragment for the last item instead of the first because it can end up + // being emptied incorrectly in certain situations (#8070). + for (; i < l; i++) { + node = fragment; + + if (i !== iNoClone) { + node = jQuery.clone(node, true, true); + + // Keep references to cloned scripts for later restoration + if (hasScripts) { + jQuery.merge(scripts, getAll(node, "script")); + } + } + + callback.call(this[i], node, i); + } + + if (hasScripts) { + doc = scripts[scripts.length - 1].ownerDocument; + + // Reenable scripts + jQuery.map(scripts, restoreScript); + + // Evaluate executable scripts on first document insertion + for (i = 0; i < hasScripts; i++) { + node = scripts[i]; + if (rscriptType.test(node.type || "") && + !jQuery._data(node, "globalEval") && jQuery.contains(doc, node)) { + + if (node.src) { + // Optional AJAX dependency, but won't run scripts if not present + if (jQuery._evalUrl) { + jQuery._evalUrl(node.src); + } + } else { + jQuery.globalEval((node.text || node.textContent || node.innerHTML || "").replace(rcleanScript, "")); + } + } + } + } + + // Fix #11809: Avoid leaking memory + fragment = first = null; + } + } + + return this; + } + }); + + jQuery.each({ + appendTo: "append", + prependTo: "prepend", + insertBefore: "before", + insertAfter: "after", + replaceAll: "replaceWith" + }, function (name, original) { + jQuery.fn[name] = function (selector) { + var elems, + i = 0, + ret = [], + insert = jQuery(selector), + last = insert.length - 1; + + for (; i <= last; i++) { + elems = i === last ? this : this.clone(true); + jQuery(insert[i])[original](elems); + + // Modern browsers can apply jQuery collections as arrays, but oldIE needs a .get() + push.apply(ret, elems.get()); + } + + return this.pushStack(ret); + }; + }); + + + var iframe, + elemdisplay = {}; + + /** + * Retrieve the actual display of a element + * @param {String} name nodeName of the element + * @param {Object} doc Document object + */ + // Called only from within defaultDisplay + function actualDisplay(name, doc) { + var style, + elem = jQuery(doc.createElement(name)).appendTo(doc.body), + + // getDefaultComputedStyle might be reliably used only on attached element + display = window.getDefaultComputedStyle && (style = window.getDefaultComputedStyle(elem[0])) ? + + // Use of this method is a temporary fix (more like optmization) until something better comes along, + // since it was removed from specification and supported only in FF + style.display : jQuery.css(elem[0], "display"); + + // We don't have any data stored on the element, + // so use "detach" method as fast way to get rid of the element + elem.detach(); + + return display; + } + + /** + * Try to determine the default display value of an element + * @param {String} nodeName + */ + function defaultDisplay(nodeName) { + var doc = document, + display = elemdisplay[nodeName]; + + if (!display) { + display = actualDisplay(nodeName, doc); + + // If the simple way fails, read from inside an iframe + if (display === "none" || !display) { + + // Use the already-created iframe if possible + iframe = (iframe || jQuery("