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3.1 release notes: organize action_pack notes

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Vijay Dev 2011-08-06 23:53:53 +05:30 committed by Xavier Noria
parent 8320fbb3b0
commit dbf22560c6
1 changed files with 55 additions and 55 deletions
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110
railties/guides/source/3_1_release_notes.textile
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@ -21,8 +21,6 @@ Rails 3.1 requires Ruby 1.8.7 or higher. Support for all of the previous Ruby ve
TIP: Note that Ruby 1.8.7 p248 and p249 have marshaling bugs that crash Rails. Ruby Enterprise Edition have these fixed since release 1.8.7-2010.02 though. On the 1.9 front, Ruby 1.9.1 is not usable because it outright segfaults, so if you want to use 1.9.x jump on 1.9.2 for smooth sailing.
TODO. What else?
h3. Creating a Rails 3.1 application
<shell>
@ -68,7 +66,7 @@ h4. Default JS library is now jQuery
jQuery is the default JavaScript library that ships with Rails 3.1. But if you use Prototype, it's simple to switch.
<shell>
$ ruby /path/to/rails/bin/rails new myapp -j prototype --dev
$ rails new myapp -j prototype
</shell>
h4. Identity Map
@ -103,41 +101,25 @@ h3. Railties
* Added <tt>Rack::Cache</tt> to the default middleware stack.
* TODO Engine related changes
* Engines received a major update - You can mount them at any path, enable assets, run generators etc.
h3. Action Pack
h4. Abstract Controller
h4. Action Controller
* Added streaming support, you can enable it with:
<ruby>
class PostsController < ActionController::Base
stream :only => :index
end
</ruby>
Please read the docs at "<tt>ActionController::Streaming</tt>":http://edgeapi.rubyonrails.org/classes/ActionController/Streaming.html for more information.
* Added <tt>ActionController::ParamsWrapper</tt> to wrap parameters into a nested hash, and will be turned on for JSON request in new applications by default. This can be customized by setting <tt>ActionController::Base.wrap_parameters</tt> in <tt>config/initializer/wrap_parameters.rb</tt>.
h4. Action Dispatch
* Added <tt>ActionDispatch::Request.ignore_accept_header</tt> to ignore accept headers.
h4. Action View
* Created <tt>ActionView::Renderer</tt> and specified an API for <tt>ActionView::Context</tt>.
TODO
* A warning is given out if the CSRF token authenticity cannot be verified.
* Allows AM/PM format in datetime selectors.
* Specify +force_ssl+ in a controller to force the browser to transfer data via HTTPS protocol on that particular controller. To limit to specific actions, :only or :except can be used.
* auto_link has been removed from Rails and extracted into the "rails_autolink gem":https://github.com/tenderlove/rails_autolink
* Sensitive query string parameters specified in <tt>config.filter_parameters</tt> will now be filtered out from the request paths in the log.
* URL parameters which return nil for +to_param+ are now removed from the query string.
* Added <tt>ActionController::ParamsWrapper</tt> to wrap parameters into a nested hash, and will be turned on for JSON request in new applications by default. This can be customized by setting <tt>ActionController::Base.wrap_parameters</tt> in <tt>config/initializer/wrap_parameters.rb</tt>.
* Added <tt>config.action_controller.include_all_helpers</tt>. By default <tt>helper :all</tt> is done in <tt>ActionController::Base</tt>, which includes all the helpers by default. Setting +include_all_helpers+ to false will result in including only application_helper and the helper corresponding to controller (like foo_helper for foo_controller).
* +url_for+ and named url helpers now accept +:subdomain+ and +:domain+ as options.
* Added Base.http_basic_authenticate_with to do simple http basic authentication with a single class method call.
@ -180,31 +162,43 @@ class PostsController < ApplicationController
end
</ruby>
* Specify +force_ssl+ in a controller to force the browser to transfer data via HTTPS protocol on that particular controller. To limit to specific actions, :only or :except can be used.
* Added streaming support, you can enable it with:
* Allows <tt>FormHelper#form_for</tt> to specify the :method as a direct option instead of through the :html hash. <tt>form_for(@post, remote: true, method: :delete)</tt> instead of <tt>form_for(@post, remote: true, html: { method: :delete })</tt>
<ruby>
class PostsController < ActionController::Base
stream :only => :index
end
</ruby>
* Provided JavaScriptHelper#j() as an alias for JavaScriptHelper#escape_javascript(). This supersedes the Object#j() method that the JSON gem adds within templates using the JavaScriptHelper.
* Sensitive query string parameters specified in <tt>config.filter_parameters</tt> will now be filtered out from the request paths in the log.
* URL parameters which return nil for +to_param+ are now removed from the query string.
* <tt>ActionDispatch::MiddlewareStack</tt> now uses composition over inheritance and is no longer an array.
* Added an :authenticity_token option to +form_tag+ for custom handling or to omit the token by passing <tt>:authenticity_token => false</tt>.
* Added HTML5 button_tag helper.
* Template lookup now searches further up in the inheritance chain.
* <tt>config.action_view.cache_template_loading</tt> is brought back which allows to decide whether templates should be cached or not. TODO from which version?
* url_for and named url helpers now accept :subdomain and :domain as options.
Please read the docs at "<tt>ActionController::Streaming</tt>":http://edgeapi.rubyonrails.org/classes/ActionController/Streaming.html for more information.
* The redirect route method now also accepts a hash of options which will only change the parts of the url in question, or an object which responds to call, allowing for redirects to be reused.
* Added <tt>config.action_controller.include_all_helpers</tt>. By default <tt>helper :all</tt> is done in <tt>ActionController::Base</tt>, which includes all the helpers by default. Setting +include_all_helpers+ to false will result in including only application_helper and the helper corresponding to controller (like foo_helper for foo_controller).
h4. Action Dispatch
* <tt>ActionDispatch::MiddlewareStack</tt> now uses composition over inheritance and is no longer an array.
* Added <tt>ActionDispatch::Request.ignore_accept_header</tt> to ignore accept headers.
* Added <tt>Rack::Cache</tt> to the default stack.
* Moved etag responsibility from <tt>ActionDispatch::Response</tt> to the middleware stack.
* Rely on <tt>Rack::Session</tt> stores API for more compatibility across the Ruby world. This is backwards incompatible since <tt>Rack::Session</tt> expects #get_session to accept four arguments and requires #destroy_session instead of simply #destroy.
* Template lookup now searches further up in the inheritance chain.
h4. Action View
* Added an :authenticity_token option to +form_tag+ for custom handling or to omit the token by passing <tt>:authenticity_token => false</tt>.
* Created <tt>ActionView::Renderer</tt> and specified an API for <tt>ActionView::Context</tt>.
* In place SafeBuffer mutation is prohibited in Rails 3.1.
* Added HTML5 button_tag helper.
* +file_field+ automatically adds <tt>:multipart => true</tt> to the enclosing form.
* Added a convenience idiom to generate HTML5 data-* attributes in tag helpers from a :data hash of options:
@ -215,19 +209,23 @@ tag("div", :data => {:name => 'Stephen', :city_state => %w(Chicago IL)})
Keys are dasherized. Values are JSON-encoded, except for strings and symbols.
* +csrf_meta_tag+ is renamed to +csrf_meta_tags+ and aliases csrf_meta_tag for backwards compatibility.
* The old template handler API is deprecated and the new API simply requires a template handler to respond to call.
* rhtml and rxml are finally removed as template handlers.
* Moved etag responsibility from <tt>ActionDispatch::Response</tt> to the middleware stack.
* <tt>config.action_view.cache_template_loading</tt> is brought back which allows to decide whether templates should be cached or not.
* Rely on <tt>Rack::Session</tt> stores API for more compatibility across the Ruby world. This is backwards incompatible since <tt>Rack::Session</tt> expects #get_session to accept four arguments and requires #destroy_session instead of simply #destroy.
* The submit form helper does not generate an id "object_name_id" anymore.
* file_field automatically adds :multipart => true to the enclosing form.
* Allows <tt>FormHelper#form_for</tt> to specify the :method as a direct option instead of through the :html hash. <tt>form_for(@post, remote: true, method: :delete)</tt> instead of <tt>form_for(@post, remote: true, html: { method: :delete })</tt>
* +csrf_meta_tag+ is renamed to +csrf_meta_tags+ and aliases csrf_meta_tag for backwards compatibility.
* Provided JavaScriptHelper#j() as an alias for JavaScriptHelper#escape_javascript(). This supersedes the Object#j() method that the JSON gem adds within templates using the JavaScriptHelper.
* Added <tt>Rack::Cache</tt> to the default stack.
* Allows AM/PM format in datetime selectors.
* auto_link has been removed from Rails and extracted into the "rails_autolink gem":https://github.com/tenderlove/rails_autolink
h3. Active Record
@ -380,6 +378,8 @@ h3. Active Model
* <tt>ActiveModel::AttributeMethods</tt> allows attributes to be defined on demand.
* Added support for selectively enabling and disabling observers.
h3. Active Resource
* The default format has been changed to JSON for all requests. If you want to continue to use XML you will need to set <tt>self.format = :xml</tt> in the class. For example,