提交 40e16121 编写于 作者: V Vijay Dev

Merge branch 'master' of github.com:lifo/docrails

Conflicts:
	guides/source/migrations.md
......@@ -20,8 +20,6 @@ module ActionMailer
# used to generate an email message. In these methods, you can setup variables to be used in
# the mailer views, options on the mail itself such as the <tt>:from</tt> address, and attachments.
#
# Examples:
#
# class Notifier < ActionMailer::Base
# default from: 'no-reply@example.com',
# return_path: 'system@example.com'
......
......@@ -58,11 +58,10 @@ def #{meth}(*args, &blk) # def current_user(*args,
# The +helper+ class method can take a series of helper module names, a block, or both.
#
# ==== Parameters
# ==== Options
# * <tt>*args</tt> - Module, Symbol, String, :all
# * <tt>block</tt> - A block defining helper methods
#
# ==== Examples
# When the argument is a module it will be included directly in the template class.
# helper FooHelper # => includes FooHelper
#
......
......@@ -6,8 +6,7 @@ module ActionController
# \Caching is a cheap way of speeding up slow applications by keeping the result of
# calculations, renderings, and database calls around for subsequent requests.
#
# You can read more about each approach and the by clicking the
# modules below.
# You can read more about each approach by clicking the modules below.
#
# Note: To turn off all caching, set
# config.action_controller.perform_caching = false.
......
......@@ -21,8 +21,6 @@ module ActionController #:nodoc:
# supports fibers (fibers are supported since version 1.9.2 of the main
# Ruby implementation).
#
# == Examples
#
# Streaming can be added to a given template easily, all you need to do is
# to pass the :stream option.
#
......
......@@ -105,7 +105,7 @@ def initialize_copy(other)
super
end
def []=(k, v) #:nodoc:
def []=(k, v)
@discard.delete k
@flashes[k] = v
end
......
require "action_dispatch"
module ActionDispatch
class Railtie < Rails::Railtie
class Railtie < Rails::Railtie # :nodoc:
config.action_dispatch = ActiveSupport::OrderedOptions.new
config.action_dispatch.x_sendfile_header = nil
config.action_dispatch.ip_spoofing_check = true
......
......@@ -191,8 +191,6 @@ module ActionDispatch
# <tt>:any</tt> which means that the route will respond to any of the HTTP
# methods.
#
# Examples:
#
# match 'post/:id' => 'posts#show', via: :get
# match 'post/:id' => 'posts#create_comment', via: :post
#
......@@ -204,8 +202,6 @@ module ActionDispatch
# An alternative method of specifying which HTTP method a route should respond to is to use the helper
# methods <tt>get</tt>, <tt>post</tt>, <tt>patch</tt>, <tt>put</tt> and <tt>delete</tt>.
#
# Examples:
#
# get 'post/:id' => 'posts#show'
# post 'post/:id' => 'posts#create_comment'
#
......
......@@ -624,8 +624,6 @@ module Scoping
#
# Takes same options as <tt>Base#match</tt> and <tt>Resources#resources</tt>.
#
# === Examples
#
# # route /posts (without the prefix /admin) to <tt>Admin::PostsController</tt>
# scope module: "admin" do
# resources :posts
......@@ -706,8 +704,6 @@ def controller(controller, options={})
# For options, see <tt>Base#match</tt>. For +:shallow_path+ option, see
# <tt>Resources#resources</tt>.
#
# === Examples
#
# # accessible through /sekret/posts rather than /admin/posts
# namespace :admin, path: "sekret" do
# resources :posts
......
......@@ -74,8 +74,6 @@ module PolymorphicRoutes
# * <tt>:routing_type</tt> - Allowed values are <tt>:path</tt> or <tt>:url</tt>.
# Default is <tt>:url</tt>.
#
# ==== Examples
#
# # an Article record
# polymorphic_url(record) # same as article_url(record)
#
......
......@@ -155,8 +155,6 @@ def css_select(*args)
# If the method is called with a block, once all equality tests are
# evaluated the block is called with an array of all matched elements.
#
# ==== Examples
#
# # At least one form element
# assert_select "form"
#
......
......@@ -32,6 +32,9 @@ module AssetTagHelper
# You can modify the HTML attributes of the script tag by passing a hash as the
# last argument.
#
# When the Asset Pipeline is enabled, you can pass the name of your manifest as
# source, and include other JavaScript or CoffeeScript files inside the manifest.
#
# javascript_include_tag "xmlhr"
# # => <script src="/assets/xmlhr.js?1284139606"></script>
#
......@@ -106,19 +109,18 @@ def stylesheet_link_tag(*sources)
# * <tt>:type</tt> - Override the auto-generated mime type
# * <tt>:title</tt> - Specify the title of the link, defaults to the +type+
#
# ==== Examples
# auto_discovery_link_tag
# # => <link rel="alternate" type="application/rss+xml" title="RSS" href="http://www.currenthost.com/controller/action" />
# auto_discovery_link_tag(:atom)
# # => <link rel="alternate" type="application/atom+xml" title="ATOM" href="http://www.currenthost.com/controller/action" />
# auto_discovery_link_tag(:rss, {action: "feed"})
# # => <link rel="alternate" type="application/rss+xml" title="RSS" href="http://www.currenthost.com/controller/feed" />
# auto_discovery_link_tag(:rss, {action: "feed"}, {title: "My RSS"})
# # => <link rel="alternate" type="application/rss+xml" title="My RSS" href="http://www.currenthost.com/controller/feed" />
# auto_discovery_link_tag(:rss, {controller: "news", action: "feed"})
# # => <link rel="alternate" type="application/rss+xml" title="RSS" href="http://www.currenthost.com/news/feed" />
# auto_discovery_link_tag(:rss, "http://www.example.com/feed.rss", {title: "Example RSS"})
# # => <link rel="alternate" type="application/rss+xml" title="Example RSS" href="http://www.example.com/feed" />
# auto_discovery_link_tag
# # => <link rel="alternate" type="application/rss+xml" title="RSS" href="http://www.currenthost.com/controller/action" />
# auto_discovery_link_tag(:atom)
# # => <link rel="alternate" type="application/atom+xml" title="ATOM" href="http://www.currenthost.com/controller/action" />
# auto_discovery_link_tag(:rss, {action: "feed"})
# # => <link rel="alternate" type="application/rss+xml" title="RSS" href="http://www.currenthost.com/controller/feed" />
# auto_discovery_link_tag(:rss, {action: "feed"}, {title: "My RSS"})
# # => <link rel="alternate" type="application/rss+xml" title="My RSS" href="http://www.currenthost.com/controller/feed" />
# auto_discovery_link_tag(:rss, {controller: "news", action: "feed"})
# # => <link rel="alternate" type="application/rss+xml" title="RSS" href="http://www.currenthost.com/news/feed" />
# auto_discovery_link_tag(:rss, "http://www.example.com/feed.rss", {title: "Example RSS"})
# # => <link rel="alternate" type="application/rss+xml" title="Example RSS" href="http://www.example.com/feed" />
def auto_discovery_link_tag(type = :rss, url_options = {}, tag_options = {})
if !(type == :rss || type == :atom) && tag_options[:type].blank?
message = "You have passed type other than :rss or :atom to auto_discovery_link_tag and haven't supplied " +
......@@ -137,27 +139,24 @@ def auto_discovery_link_tag(type = :rss, url_options = {}, tag_options = {})
)
end
# <%= favicon_link_tag %>
#
# generates
#
# <link href="/assets/favicon.ico" rel="shortcut icon" type="image/vnd.microsoft.icon" />
#
# You may specify a different file in the first argument:
# Returns a link loading a favicon file. You may specify a different file
# in the first argument. The helper accepts an additional options hash where
# you can override "rel" and "type".
#
# <%= favicon_link_tag '/myicon.ico' %>
#
# That's passed to +path_to_image+ as is, so it gives
#
# <link href="/myicon.ico" rel="shortcut icon" type="image/vnd.microsoft.icon" />
# ==== Options
# * <tt>:rel</tt> - Specify the relation of this link, defaults to 'shortcut icon'
# * <tt>:type</tt> - Override the auto-generated mime type, defaults to 'image/vnd.microsoft.icon'
#
# The helper accepts an additional options hash where you can override "rel" and "type".
# favicon_link_tag '/myicon.ico'
# # => <link href="/assets/favicon.ico" rel="shortcut icon" type="image/vnd.microsoft.icon" />
#
# For example, Mobile Safari looks for a different LINK tag, pointing to an image that
# Mobile Safari looks for a different <link> tag, pointing to an image that
# will be used if you add the page to the home screen of an iPod Touch, iPhone, or iPad.
# The following call would generate such a tag:
#
# <%= favicon_link_tag 'mb-icon.png', rel: 'apple-touch-icon', type: 'image/png' %>
# favicon_link_tag '/mb-icon.png', rel: 'apple-touch-icon', type: 'image/png'
# # => <link href="/assets/mb-icon.png" rel="apple-touch-icon" type="image/png" />
#
def favicon_link_tag(source='favicon.ico', options={})
tag('link', {
:rel => 'shortcut icon',
......@@ -166,7 +165,7 @@ def favicon_link_tag(source='favicon.ico', options={})
}.merge(options.symbolize_keys))
end
# Returns an html image tag for the +source+. The +source+ can be a full
# Returns an HTML image tag for the +source+. The +source+ can be a full
# path or a file.
#
# ==== Options
......@@ -179,18 +178,18 @@ def favicon_link_tag(source='favicon.ico', options={})
# width="30" and height="45", and "50" becomes width="50" and height="50".
# <tt>:size</tt> will be ignored if the value is not in the correct format.
#
# image_tag("icon")
# # => <img alt="Icon" src="/assets/icon" />
# image_tag("icon.png")
# # => <img alt="Icon" src="/assets/icon.png" />
# image_tag("icon.png", size: "16x10", alt: "Edit Entry")
# # => <img src="/assets/icon.png" width="16" height="10" alt="Edit Entry" />
# image_tag("/icons/icon.gif", size: "16")
# # => <img src="/icons/icon.gif" width="16" height="16" alt="Icon" />
# image_tag("/icons/icon.gif", height: '32', width: '32')
# # => <img alt="Icon" height="32" src="/icons/icon.gif" width="32" />
# image_tag("/icons/icon.gif", class: "menu_icon")
# # => <img alt="Icon" class="menu_icon" src="/icons/icon.gif" />
# image_tag("icon")
# # => <img alt="Icon" src="/assets/icon" />
# image_tag("icon.png")
# # => <img alt="Icon" src="/assets/icon.png" />
# image_tag("icon.png", size: "16x10", alt: "Edit Entry")
# # => <img src="/assets/icon.png" width="16" height="10" alt="Edit Entry" />
# image_tag("/icons/icon.gif", size: "16")
# # => <img src="/icons/icon.gif" width="16" height="16" alt="Icon" />
# image_tag("/icons/icon.gif", height: '32', width: '32')
# # => <img alt="Icon" height="32" src="/icons/icon.gif" width="32" />
# image_tag("/icons/icon.gif", class: "menu_icon")
# # => <img alt="Icon" class="menu_icon" src="/icons/icon.gif" />
def image_tag(source, options={})
options = options.symbolize_keys
......@@ -208,6 +207,9 @@ def image_tag(source, options={})
tag("img", options)
end
# Returns a string suitable for an html image tag alt attribute.
# +src+ is meant to be an image file path.
# It removes the basename of the file path and the digest, if any.
def image_alt(src)
File.basename(src, '.*').sub(/-[[:xdigit:]]{32}\z/, '').capitalize
end
......@@ -228,24 +230,24 @@ def image_alt(src)
# width="30" and height="45". <tt>:size</tt> will be ignored if the
# value is not in the correct format.
#
# video_tag("trailer")
# # => <video src="/videos/trailer" />
# video_tag("trailer.ogg")
# # => <video src="/videos/trailer.ogg" />
# video_tag("trailer.ogg", controls: true, autobuffer: true)
# # => <video autobuffer="autobuffer" controls="controls" src="/videos/trailer.ogg" />
# video_tag("trailer.m4v", size: "16x10", poster: "screenshot.png")
# # => <video src="/videos/trailer.m4v" width="16" height="10" poster="/assets/screenshot.png" />
# video_tag("/trailers/hd.avi", size: "16x16")
# # => <video src="/trailers/hd.avi" width="16" height="16" />
# video_tag("/trailers/hd.avi", height: '32', width: '32')
# # => <video height="32" src="/trailers/hd.avi" width="32" />
# video_tag("trailer.ogg", "trailer.flv")
# # => <video><source src="/videos/trailer.ogg" /><source src="/videos/trailer.flv" /></video>
# video_tag(["trailer.ogg", "trailer.flv"])
# # => <video><source src="/videos/trailer.ogg" /><source src="/videos/trailer.flv" /></video>
# video_tag(["trailer.ogg", "trailer.flv"], size: "160x120")
# # => <video height="120" width="160"><source src="/videos/trailer.ogg" /><source src="/videos/trailer.flv" /></video>
# video_tag("trailer")
# # => <video src="/videos/trailer" />
# video_tag("trailer.ogg")
# # => <video src="/videos/trailer.ogg" />
# video_tag("trailer.ogg", controls: true, autobuffer: true)
# # => <video autobuffer="autobuffer" controls="controls" src="/videos/trailer.ogg" />
# video_tag("trailer.m4v", size: "16x10", poster: "screenshot.png")
# # => <video src="/videos/trailer.m4v" width="16" height="10" poster="/assets/screenshot.png" />
# video_tag("/trailers/hd.avi", size: "16x16")
# # => <video src="/trailers/hd.avi" width="16" height="16" />
# video_tag("/trailers/hd.avi", height: '32', width: '32')
# # => <video height="32" src="/trailers/hd.avi" width="32" />
# video_tag("trailer.ogg", "trailer.flv")
# # => <video><source src="/videos/trailer.ogg" /><source src="/videos/trailer.flv" /></video>
# video_tag(["trailer.ogg", "trailer.flv"])
# # => <video><source src="/videos/trailer.ogg" /><source src="/videos/trailer.flv" /></video>
# video_tag(["trailer.ogg", "trailer.flv"], size: "160x120")
# # => <video height="120" width="160"><source src="/videos/trailer.ogg" /><source src="/videos/trailer.flv" /></video>
def video_tag(*sources)
multiple_sources_tag('video', sources) do |options|
options[:poster] = path_to_image(options[:poster]) if options[:poster]
......@@ -256,18 +258,18 @@ def video_tag(*sources)
end
end
# Returns an html audio tag for the +source+.
# Returns an HTML audio tag for the +source+.
# The +source+ can be full path or file that exists in
# your public audios directory.
#
# audio_tag("sound") # =>
# <audio src="/audios/sound" />
# audio_tag("sound.wav") # =>
# <audio src="/audios/sound.wav" />
# audio_tag("sound.wav", autoplay: true, controls: true) # =>
# <audio autoplay="autoplay" controls="controls" src="/audios/sound.wav" />
# audio_tag("sound.wav", "sound.mid") # =>
# <audio><source src="/audios/sound.wav" /><source src="/audios/sound.mid" /></audio>
# audio_tag("sound")
# # => <audio src="/audios/sound" />
# audio_tag("sound.wav")
# # => <audio src="/audios/sound.wav" />
# audio_tag("sound.wav", autoplay: true, controls: true)
# # => <audio autoplay="autoplay" controls="controls" src="/audios/sound.wav" />
# audio_tag("sound.wav", "sound.mid")
# # => <audio><source src="/audios/sound.wav" /><source src="/audios/sound.mid" /></audio>
def audio_tag(*sources)
multiple_sources_tag('audio', sources)
end
......
......@@ -2,7 +2,7 @@
module ActionView
# = Action View Asset URL Helpers
module Helpers #:nodoc:
module Helpers
# This module provides methods for generating asset paths and
# urls.
#
......
......@@ -2,7 +2,7 @@
module ActionView
# = Action View Atom Feed Helpers
module Helpers #:nodoc:
module Helpers
module AtomFeedHelper
# Adds easy defaults to writing Atom feeds with the Builder template engine (this does not work on ERB or any other
# template languages).
......@@ -124,7 +124,7 @@ def atom_feed(options = {}, &block)
end
end
class AtomBuilder
class AtomBuilder #:nodoc:
XHTML_TAG_NAMES = %w(content rights title subtitle summary).to_set
def initialize(xml)
......@@ -158,7 +158,7 @@ def xhtml_block?(method, arguments)
end
end
class AtomFeedBuilder < AtomBuilder
class AtomFeedBuilder < AtomBuilder #:nodoc:
def initialize(xml, view, feed_options = {})
@xml, @view, @feed_options = xml, view, feed_options
end
......
......@@ -2,7 +2,7 @@
module ActionView
module Helpers
module BenchmarkHelper
module BenchmarkHelper #:nodoc:
include ActiveSupport::Benchmarkable
def benchmark(*)
......
......@@ -42,14 +42,12 @@ def capture(*args)
end
# Calling content_for stores a block of markup in an identifier for later use.
# You can make subsequent calls to the stored content in other templates, helper modules
# or the layout by passing the identifier as an argument to <tt>content_for</tt>.
# In order to access this stored content in other templates, helper modules
# or the layout, you would pass the identifier as an argument to <tt>content_for</tt>.
#
# Note: <tt>yield</tt> can still be used to retrieve the stored content, but calling
# <tt>yield</tt> doesn't work in helper modules, while <tt>content_for</tt> does.
#
# ==== Examples
#
# <% content_for :not_authorized do %>
# alert('You are not authorized to do that!')
# <% end %>
......@@ -74,7 +72,8 @@ def capture(*args)
#
# <%= stored_content %>
#
# You can use the <tt>yield</tt> syntax alongside an existing call to <tt>yield</tt> in a layout. For example:
# You can also use the <tt>yield</tt> syntax alongside an existing call to
# <tt>yield</tt> in a layout. For example:
#
# <%# This is the layout %>
# <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
......@@ -115,7 +114,7 @@ def capture(*args)
# <li><%= link_to 'Home', action: 'index' %></li>
# <% end %>
#
# <%# Add some other content, or use a different template: %>
# And in other place:
#
# <% content_for :navigation do %>
# <li><%= link_to 'Login', action: 'login' %></li>
......@@ -145,8 +144,7 @@ def capture(*args)
#
# <% content_for :script, javascript_include_tag(:defaults) %>
#
# WARNING: content_for is ignored in caches. So you shouldn't use it
# for elements that will be fragment cached.
# WARNING: content_for is ignored in caches. So you shouldn't use it for elements that will be fragment cached.
def content_for(name, content = nil, options = {}, &block)
if content || block_given?
if block_given?
......@@ -173,13 +171,9 @@ def provide(name, content = nil, &block)
result unless content
end
# content_for? simply checks whether any content has been captured yet using content_for
# content_for? checks whether any content has been captured yet using `content_for`.
# Useful to render parts of your layout differently based on what is in your views.
#
# ==== Examples
#
# Perhaps you will use different css in you layout if no content_for :right_column
#
# <%# This is the layout %>
# <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
# <head>
......
......@@ -45,7 +45,6 @@ module DateHelper
# 40-59 secs # => less than a minute
# 60-89 secs # => 1 minute
#
# ==== Examples
# from_time = Time.now
# distance_of_time_in_words(from_time, from_time + 50.minutes) # => about 1 hour
# distance_of_time_in_words(from_time, 50.minutes.from_now) # => about 1 hour
......@@ -166,7 +165,6 @@ def time_ago_in_words(from_time, include_seconds_or_options = {})
# Returns a set of select tags (one for year, month, and day) pre-selected for accessing a specified date-based
# attribute (identified by +method+) on an object assigned to the template (identified by +object+).
#
#
# ==== Options
# * <tt>:use_month_numbers</tt> - Set to true if you want to use month numbers rather than month names (e.g.
# "2" instead of "February").
......
......@@ -460,8 +460,6 @@ def apply_form_for_options!(record, object, options) #:nodoc:
# doesn't create the form tags themselves. This makes fields_for suitable
# for specifying additional model objects in the same form.
#
# === Generic Examples
#
# Although the usage and purpose of +field_for+ is similar to +form_for+'s,
# its method signature is slightly different. Like +form_for+, it yields
# a FormBuilder object associated with a particular model object to a block,
......
......@@ -7,13 +7,11 @@ module ActionView
# = Action View Form Option Helpers
module Helpers
# Provides a number of methods for turning different kinds of containers into a set of option tags.
# == Options
#
# The <tt>collection_select</tt>, <tt>select</tt> and <tt>time_zone_select</tt> methods take an <tt>options</tt> parameter, a hash:
#
# * <tt>:include_blank</tt> - set to true or a prompt string if the first option element of the select element is a blank. Useful if there is not a default value required for the select element.
#
# For example,
#
# select("post", "category", Post::CATEGORIES, {include_blank: true})
#
# could become:
......@@ -24,7 +22,7 @@ module Helpers
# <option>poem</option>
# </select>
#
# Another common case is a select tag for an <tt>belongs_to</tt>-associated object.
# Another common case is a select tag for a <tt>belongs_to</tt>-associated object.
#
# Example with @post.person_id => 2:
#
......@@ -41,8 +39,6 @@ module Helpers
#
# * <tt>:prompt</tt> - set to true or a prompt string. When the select element doesn't have a value yet, this prepends an option with a generic prompt -- "Please select" -- or the given prompt string.
#
# Example:
#
# select("post", "person_id", Person.all.collect {|p| [ p.name, p.id ] }, {prompt: 'Select Person'})
#
# could become:
......@@ -57,8 +53,6 @@ module Helpers
# Like the other form helpers, +select+ can accept an <tt>:index</tt> option to manually set the ID used in the resulting output. Unlike other helpers, +select+ expects this
# option to be in the +html_options+ parameter.
#
# Example:
#
# select("album[]", "genre", %w[rap rock country], {}, { index: nil })
#
# becomes:
......@@ -71,8 +65,6 @@ module Helpers
#
# * <tt>:disabled</tt> - can be a single value or an array of values that will be disabled options in the final output.
#
# Example:
#
# select("post", "category", Post::CATEGORIES, {disabled: 'restricted'})
#
# could become:
......@@ -86,8 +78,6 @@ module Helpers
#
# When used with the <tt>collection_select</tt> helper, <tt>:disabled</tt> can also be a Proc that identifies those options that should be disabled.
#
# Example:
#
# collection_select(:post, :category_id, Category.all, :id, :name, {disabled: lambda{|category| category.archived? }})
#
# If the categories "2008 stuff" and "Christmas" return true when the method <tt>archived?</tt> is called, this would return:
......@@ -152,7 +142,8 @@ module FormOptionsHelper
# form, and parameters extraction gets the last occurrence of any repeated
# key in the query string, that works for ordinary forms.
#
# In case if you don't want the helper to generate this hidden field you can specify <tt>include_hidden: false</tt> option.
# In case if you don't want the helper to generate this hidden field you can specify
# <tt>include_hidden: false</tt> option.
#
def select(object, method, choices, options = {}, html_options = {})
Tags::Select.new(object, method, self, choices, options, html_options).render
......@@ -170,9 +161,11 @@ def select(object, method, choices, options = {}, html_options = {})
# retrieve the value/text.
#
# Example object structure for use with this method:
#
# class Post < ActiveRecord::Base
# belongs_to :author
# end
#
# class Author < ActiveRecord::Base
# has_many :posts
# def name_with_initial
......@@ -181,6 +174,7 @@ def select(object, method, choices, options = {}, html_options = {})
# end
#
# Sample usage (selecting the associated Author for an instance of Post, <tt>@post</tt>):
#
# collection_select(:post, :author_id, Author.all, :id, :name_with_initial, prompt: true)
#
# If <tt>@post.author_id</tt> is already <tt>1</tt>, this would return:
......@@ -213,23 +207,28 @@ def collection_select(object, method, collection, value_method, text_method, opt
# +collection+, returns a value to be used as the contents of its <tt><option></tt> tag.
#
# Example object structure for use with this method:
#
# class Continent < ActiveRecord::Base
# has_many :countries
# # attribs: id, name
# end
#
# class Country < ActiveRecord::Base
# belongs_to :continent
# # attribs: id, name, continent_id
# end
#
# class City < ActiveRecord::Base
# belongs_to :country
# # attribs: id, name, country_id
# end
#
# Sample usage:
#
# grouped_collection_select(:city, :country_id, @continents, :countries, :name, :id, :name)
#
# Possible output:
#
# <select name="city[country_id]">
# <optgroup label="Africa">
# <option value="1">South Africa</option>
......@@ -284,57 +283,54 @@ def time_zone_select(object, method, priority_zones = nil, options = {}, html_op
# become lasts. If +selected+ is specified, the matching "last" or element will get the selected option-tag. +selected+
# may also be an array of values to be selected when using a multiple select.
#
# Examples (call, result):
# options_for_select([["Dollar", "$"], ["Kroner", "DKK"]])
# # <option value="$">Dollar</option>
# # <option value="DKK">Kroner</option>
# # => <option value="$">Dollar</option>
# # => <option value="DKK">Kroner</option>
#
# options_for_select([ "VISA", "MasterCard" ], "MasterCard")
# # <option>VISA</option>
# # <option selected="selected">MasterCard</option>
# # => <option>VISA</option>
# # => <option selected="selected">MasterCard</option>
#
# options_for_select({ "Basic" => "$20", "Plus" => "$40" }, "$40")
# # <option value="$20">Basic</option>
# # <option value="$40" selected="selected">Plus</option>
# # => <option value="$20">Basic</option>
# # => <option value="$40" selected="selected">Plus</option>
#
# options_for_select([ "VISA", "MasterCard", "Discover" ], ["VISA", "Discover"])
# # <option selected="selected">VISA</option>
# # <option>MasterCard</option>
# # <option selected="selected">Discover</option>
# # => <option selected="selected">VISA</option>
# # => <option>MasterCard</option>
# # => <option selected="selected">Discover</option>
#
# You can optionally provide html attributes as the last element of the array.
#
# Examples:
# options_for_select([ "Denmark", ["USA", {class: 'bold'}], "Sweden" ], ["USA", "Sweden"])
# # <option value="Denmark">Denmark</option>
# # <option value="USA" class="bold" selected="selected">USA</option>
# # <option value="Sweden" selected="selected">Sweden</option>
# # => <option value="Denmark">Denmark</option>
# # => <option value="USA" class="bold" selected="selected">USA</option>
# # => <option value="Sweden" selected="selected">Sweden</option>
#
# options_for_select([["Dollar", "$", {class: "bold"}], ["Kroner", "DKK", {onclick: "alert('HI');"}]])
# # <option value="$" class="bold">Dollar</option>
# # <option value="DKK" onclick="alert('HI');">Kroner</option>
# # => <option value="$" class="bold">Dollar</option>
# # => <option value="DKK" onclick="alert('HI');">Kroner</option>
#
# If you wish to specify disabled option tags, set +selected+ to be a hash, with <tt>:disabled</tt> being either a value
# or array of values to be disabled. In this case, you can use <tt>:selected</tt> to specify selected option tags.
#
# Examples:
# options_for_select(["Free", "Basic", "Advanced", "Super Platinum"], disabled: "Super Platinum")
# # <option value="Free">Free</option>
# # <option value="Basic">Basic</option>
# # <option value="Advanced">Advanced</option>
# # <option value="Super Platinum" disabled="disabled">Super Platinum</option>
# # => <option value="Free">Free</option>
# # => <option value="Basic">Basic</option>
# # => <option value="Advanced">Advanced</option>
# # => <option value="Super Platinum" disabled="disabled">Super Platinum</option>
#
# options_for_select(["Free", "Basic", "Advanced", "Super Platinum"], disabled: ["Advanced", "Super Platinum"])
# # <option value="Free">Free</option>
# # <option value="Basic">Basic</option>
# # <option value="Advanced" disabled="disabled">Advanced</option>
# # <option value="Super Platinum" disabled="disabled">Super Platinum</option>
# # => <option value="Free">Free</option>
# # => <option value="Basic">Basic</option>
# # => <option value="Advanced" disabled="disabled">Advanced</option>
# # => <option value="Super Platinum" disabled="disabled">Super Platinum</option>
#
# options_for_select(["Free", "Basic", "Advanced", "Super Platinum"], selected: "Free", disabled: "Super Platinum")
# # <option value="Free" selected="selected">Free</option>
# # <option value="Basic">Basic</option>
# # <option value="Advanced">Advanced</option>
# # <option value="Super Platinum" disabled="disabled">Super Platinum</option>
# # => <option value="Free" selected="selected">Free</option>
# # => <option value="Basic">Basic</option>
# # => <option value="Advanced">Advanced</option>
# # => <option value="Super Platinum" disabled="disabled">Super Platinum</option>
#
# NOTE: Only the option tags are returned, you have to wrap this call in a regular HTML select tag.
def options_for_select(container, selected = nil)
......@@ -358,12 +354,12 @@ def options_for_select(container, selected = nil)
# Returns a string of option tags that have been compiled by iterating over the +collection+ and assigning
# the result of a call to the +value_method+ as the option value and the +text_method+ as the option text.
# Example:
#
# options_from_collection_for_select(@people, 'id', 'name')
# This will output the same HTML as if you did this:
# <option value="#{person.id}">#{person.name}</option>
# # => <option value="#{person.id}">#{person.name}</option>
#
# This is more often than not used inside a #select_tag like this example:
#
# select_tag 'person', options_from_collection_for_select(@people, 'id', 'name')
#
# If +selected+ is specified as a value or array of values, the element(s) returning a match on +value_method+
......@@ -412,10 +408,12 @@ def options_from_collection_for_select(collection, value_method, text_method, se
# to be specified.
#
# Example object structure for use with this method:
#
# class Continent < ActiveRecord::Base
# has_many :countries
# # attribs: id, name
# end
#
# class Country < ActiveRecord::Base
# belongs_to :continent
# # attribs: id, name, continent_id
......@@ -465,7 +463,6 @@ def option_groups_from_collection_for_select(collection, group_method, group_lab
# prepends an option with a generic prompt - "Please select" - or the given prompt string.
# * <tt>:divider</tt> - the divider for the options groups.
#
# Sample usage (Array):
# grouped_options = [
# ['North America',
# [['United States','US'],'Canada']],
......@@ -474,7 +471,6 @@ def option_groups_from_collection_for_select(collection, group_method, group_lab
# ]
# grouped_options_for_select(grouped_options)
#
# Sample usage (Hash):
# grouped_options = {
# 'North America' => [['United States','US'], 'Canada'],
# 'Europe' => ['Denmark','Germany','France']
......@@ -492,7 +488,6 @@ def option_groups_from_collection_for_select(collection, group_method, group_lab
# <option value="France">France</option>
# </optgroup>
#
# Sample usage (divider):
# grouped_options = [
# [['United States','US'], 'Canada'],
# ['Denmark','Germany','France']
......
......@@ -18,7 +18,8 @@ module JavaScriptHelper
# Escapes carriage returns and single and double quotes for JavaScript segments.
#
# Also available through the alias j(). This is particularly helpful in JavaScript responses, like:
# Also available through the alias j(). This is particularly helpful in JavaScript
# responses, like:
#
# $('some_element').replaceWith('<%=j render 'some/element_template' %>');
def escape_javascript(javascript)
......@@ -43,12 +44,14 @@ def escape_javascript(javascript)
# </script>
#
# +html_options+ may be a hash of attributes for the <tt>\<script></tt>
# tag. Example:
# tag.
#
# javascript_tag "alert('All is good')", defer: 'defer'
# # => <script defer="defer">alert('All is good')</script>
#
# Instead of passing the content as an argument, you can also use a block
# in which case, you pass your +html_options+ as the first parameter.
#
# <%= javascript_tag defer: 'defer' do -%>
# alert('All is good')
# <% end -%>
......
......@@ -11,7 +11,8 @@ module OutputSafetyHelper
#
# For example:
#
# <%=raw @user.name %>
# raw @user.name
# # => 'Jimmy <alert>Tables</alert>'
def raw(stringish)
stringish.to_s.html_safe
end
......
......@@ -3,7 +3,7 @@
module ActionView
# = Action View Sanitize Helpers
module Helpers #:nodoc:
module Helpers
# The SanitizeHelper module provides a set of methods for scrubbing text of undesired HTML elements.
# These helper methods extend Action View making them callable within your template files.
module SanitizeHelper
......
......@@ -3,7 +3,7 @@
module ActionView
# = Action View Railtie
class Railtie < Rails::Railtie
class Railtie < Rails::Railtie # :nodoc:
config.action_view = ActiveSupport::OrderedOptions.new
config.action_view.embed_authenticity_token_in_remote_forms = false
......
......@@ -32,8 +32,6 @@ module ActiveRecord
# autosave callbacks are executed. Placing your callbacks after
# associations is usually a good practice.
#
# == Examples
#
# === One-to-one Example
#
# class Post
......
......@@ -79,16 +79,17 @@ def update_counters(id, counters)
where(primary_key => id).update_all updates.join(', ')
end
# Increment a number field by one, usually representing a count.
# Increment a numeric field by one, via a direct SQL update.
#
# This is used for caching aggregate values, so that they don't need to be computed every time.
# For example, a DiscussionBoard may cache post_count and comment_count otherwise every time the board is
# shown it would have to run an SQL query to find how many posts and comments there are.
# This method is used primarily for maintaining counter_cache columns used to
# store aggregate values. For example, a DiscussionBoard may cache posts_count
# and comments_count to avoid running an SQL query to calculate the number of
# posts and comments there are each time it is displayed.
#
# ==== Parameters
#
# * +counter_name+ - The name of the field that should be incremented.
# * +id+ - The id of the object that should be incremented.
# * +id+ - The id of the object that should be incremented or an Array of ids.
#
# ==== Examples
#
......@@ -98,14 +99,15 @@ def increment_counter(counter_name, id)
update_counters(id, counter_name => 1)
end
# Decrement a number field by one, usually representing a count.
# Decrement a numeric field by one, via a direct SQL update.
#
# This works the same as increment_counter but reduces the column value by 1 instead of increasing it.
# This works the same as increment_counter but reduces the column value by
# 1 instead of increasing it.
#
# ==== Parameters
#
# * +counter_name+ - The name of the field that should be decremented.
# * +id+ - The id of the object that should be decremented.
# * +id+ - The id of the object that should be decremented or an Array of ids.
#
# ==== Examples
#
......
......@@ -29,8 +29,6 @@ def to_param
# Returns a cache key that can be used to identify this record.
#
# ==== Examples
#
# Product.new.cache_key # => "products/new"
# Product.find(5).cache_key # => "products/5" (updated_at not available)
# Person.find(5).cache_key # => "people/5-20071224150000" (updated_at available)
......
......@@ -4,6 +4,7 @@ module ActiveRecord
class QueryCache
module ClassMethods
# Enable the query cache within the block if Active Record is configured.
# If it's not, it will execute the given block.
def cache(&block)
if ActiveRecord::Base.connected?
connection.cache(&block)
......@@ -13,6 +14,7 @@ def cache(&block)
end
# Disable the query cache within the block if Active Record is configured.
# If it's not, it will execute the given block.
def uncached(&block)
if ActiveRecord::Base.connected?
connection.uncached(&block)
......
......@@ -26,14 +26,13 @@ module Querying
# MySQL specific terms will lock you to using that particular database engine or require you to
# change your call if you switch engines.
#
# ==== Examples
# # A simple SQL query spanning multiple tables
# Post.find_by_sql "SELECT p.title, c.author FROM posts p, comments c WHERE p.id = c.post_id"
# > [#<Post:0x36bff9c @attributes={"title"=>"Ruby Meetup", "first_name"=>"Quentin"}>, ...]
# # => [#<Post:0x36bff9c @attributes={"title"=>"Ruby Meetup", "first_name"=>"Quentin"}>, ...]
#
# # You can use the same string replacement techniques as you can with ActiveRecord#find
# Post.find_by_sql ["SELECT title FROM posts WHERE author = ? AND created > ?", author_id, start_date]
# > [#<Post:0x36bff9c @attributes={"title"=>"The Cheap Man Buys Twice"}>, ...]
# # => [#<Post:0x36bff9c @attributes={"title"=>"The Cheap Man Buys Twice"}>, ...]
def find_by_sql(sql, binds = [])
logging_query_plan do
result_set = connection.select_all(sanitize_sql(sql), "#{name} Load", binds)
......@@ -57,8 +56,6 @@ def find_by_sql(sql, binds = [])
#
# * +sql+ - An SQL statement which should return a count query from the database, see the example below.
#
# ==== Examples
#
# Product.count_by_sql "SELECT COUNT(*) FROM sales s, customers c WHERE s.customer_id = c.id"
def count_by_sql(sql)
logging_query_plan do
......
......@@ -76,18 +76,17 @@ def sum(*args)
#
# values = Person.group('last_name').maximum(:age)
# puts values["Drake"]
# => 43
# # => 43
#
# drake = Family.find_by_last_name('Drake')
# values = Person.group(:family).maximum(:age) # Person belongs_to :family
# puts values[drake]
# => 43
# # => 43
#
# values.each do |family, max_age|
# ...
# end
#
# Examples:
# Person.calculate(:count, :all) # The same as Person.count
# Person.average(:age) # SELECT AVG(age) FROM people...
#
......@@ -124,8 +123,6 @@ def calculate(operation, column_name, options = {})
# the plucked column names, if they can be deduced. Plucking an SQL fragment
# returns String values by default.
#
# Examples:
#
# Person.pluck(:id)
# # SELECT people.id FROM people
# # => [1, 2, 3]
......@@ -182,8 +179,6 @@ def pluck(*column_names)
# Pluck all the ID's for the relation using the table's primary key
#
# Examples:
#
# Person.ids # SELECT people.id FROM people
# Person.joins(:companies).ids # SELECT people.id FROM people INNER JOIN companies ON companies.person_id = people.id
def ids
......
......@@ -12,9 +12,6 @@ def spawn #:nodoc:
# Merges in the conditions from <tt>other</tt>, if <tt>other</tt> is an <tt>ActiveRecord::Relation</tt>.
# Returns an array representing the intersection of the resulting records with <tt>other</tt>, if <tt>other</tt> is an array.
#
# ==== Examples
#
# Post.where(published: true).joins(:comments).merge( Comment.where(spam: false) )
# # Performs a single join query with both where conditions.
#
......@@ -29,7 +26,6 @@ def spawn #:nodoc:
# # => Post.where(published: true).joins(:comments)
#
# This is mainly intended for sharing common conditions between multiple associations.
#
def merge(other)
if other.is_a?(Array)
to_a & other
......@@ -51,11 +47,8 @@ def merge!(other) # :nodoc:
# Removes from the query the condition(s) specified in +skips+.
#
# Example:
#
# Post.order('id asc').except(:order) # discards the order condition
# Post.where('id > 10').order('id asc').except(:where) # discards the where condition but keeps the order
#
def except(*skips)
result = Relation.new(klass, table, values.except(*skips))
result.default_scoped = default_scoped
......@@ -65,11 +58,8 @@ def except(*skips)
# Removes any condition from the query other than the one(s) specified in +onlies+.
#
# Example:
#
# Post.order('id asc').only(:where) # discards the order condition
# Post.order('id asc').only(:where, :order) # uses the specified order
#
def only(*onlies)
result = Relation.new(klass, table, values.slice(*onlies))
result.default_scoped = default_scoped
......
......@@ -29,11 +29,16 @@ module ActiveRecord
# ActiveRecord::Schema is only supported by database adapters that also
# support migrations, the two features being very similar.
class Schema < Migration
# Returns the migrations paths.
#
# ActiveRecord::Schema.new.migrations_paths
# # => ["db/migrate"] # Rails migration path by default.
def migrations_paths
ActiveRecord::Migrator.migrations_paths
end
def define(info, &block)
def define(info, &block) # :nodoc:
instance_eval(&block)
unless info[:version].blank?
......
......@@ -88,6 +88,19 @@ def to_xml(options = {})
end
class << self
# Returns a Hash containing a collection of pairs when the key is the node name and the value is
# its content
#
# xml = <<-XML
# <?xml version="1.0" encoding="UTF-8"?>
# <hash>
# <foo type="integer">1</foo>
# <bar type="integer">2</bar>
# </hash>
# XML
#
# hash = Hash.from_xml(xml)
# # => {"hash"=>{"foo"=>1, "bar"=>2}}
def from_xml(xml)
typecast_xml_value(unrename_keys(ActiveSupport::XmlMini.parse(xml)))
end
......
......@@ -30,7 +30,7 @@ module Testing
module ConstantLookup
extend ::ActiveSupport::Concern
module ClassMethods
module ClassMethods # :nodoc:
def determine_constant_from_test_name(test_name)
names = test_name.split "::"
while names.size > 0 do
......
......@@ -2,8 +2,8 @@
module ActiveSupport
module Testing
module Pending
unless defined?(Spec)
module Pending # :nodoc:
unless defined?(Spec)
def pending(description = "", &block)
ActiveSupport::Deprecation.warn("#pending is deprecated and will be removed in Rails 4.1, please use #skip instead.")
skip(description.blank? ? nil : description)
......
......@@ -520,7 +520,7 @@ invoking the command: `rake db:migrate RAILS_ENV=production`.
### Saving data in the controller
Back in `posts_controller`, we need to change the `create` action
to use the new `Post` model to save the data in the database. Open that file
to use the new `Post` model to save the data in the database. Open `app/controllers/posts_controller.rb`
and change the `create` action to look like this:
```ruby
......@@ -558,8 +558,8 @@ parameter, which in our case will be the id of the post. Note that this
time we had to specify the actual mapping, `posts#show` because
otherwise Rails would not know which action to render.
As we did before, we need to add the `show` action in the
`posts_controller` and its respective view.
As we did before, we need to add the `show` action in
`app/controllers/posts_controller.rb` and its respective view.
```ruby
def show
......@@ -1216,7 +1216,7 @@ This command will generate four files:
| test/models/comment_test.rb | Testing harness for the comments model |
| test/fixtures/comments.yml | Sample comments for use in testing |
First, take a look at `comment.rb`:
First, take a look at `app/models/comment.rb`:
```ruby
class Comment < ActiveRecord::Base
......@@ -1277,7 +1277,7 @@ this way:
* One post can have many comments.
In fact, this is very close to the syntax that Rails uses to declare this
association. You've already seen the line of code inside the `Comment` model that
association. You've already seen the line of code inside the `Comment` model (app/models/comment.rb) that
makes each comment belong to a Post:
```ruby
......@@ -1286,7 +1286,7 @@ class Comment < ActiveRecord::Base
end
```
You'll need to edit the `post.rb` file to add the other side of the association:
You'll need to edit `app/models/post.rb` to add the other side of the association:
```ruby
class Post < ActiveRecord::Base
......@@ -1350,7 +1350,7 @@ the post show page to see their comment now listed. Due to this, our
spam comments when they arrive.
So first, we'll wire up the Post show template
(`/app/views/posts/show.html.erb`) to let us make a new comment:
(`app/views/posts/show.html.erb`) to let us make a new comment:
```html+erb
<p>
......@@ -1609,7 +1609,7 @@ So first, let's add the delete link in the
Clicking this new "Destroy Comment" link will fire off a `DELETE
/posts/:post_id/comments/:id` to our `CommentsController`, which can then use
this to find the comment we want to delete, so let's add a destroy action to our
controller:
controller (`app/controllers/comments_controller.rb`):
```ruby
class CommentsController < ApplicationController
......@@ -1667,7 +1667,7 @@ action if that method allows it.
To use the authentication system, we specify it at the top of our
`PostsController`, in this case, we want the user to be authenticated on every
action, except for `index` and `show`, so we write that:
action, except for `index` and `show`, so we write that in `app/controllers/posts_controller.rb`:
```ruby
class PostsController < ApplicationController
......@@ -1682,7 +1682,7 @@ class PostsController < ApplicationController
```
We also only want to allow authenticated users to delete comments, so in the
`CommentsController` we write:
`CommentsController` (`app/controllers/comments_controller.rb`) we write:
```ruby
class CommentsController < ApplicationController
......
......@@ -696,7 +696,7 @@ en:
long: "%B %d, %Y"
```
So, all of the following equivalent lookups will return the `:short` date format `"%B %d"`:
So, all of the following equivalent lookups will return the `:short` date format `"%b %d"`:
```ruby
I18n.t 'date.formats.short'
......
......@@ -433,7 +433,7 @@ no such migrations, it exits. It will run these migrations in order based
on the date of the migration.
Note that running the `db:migrate` also invokes the `db:schema:dump` task, which
will update your db/schema.rb file to match the structure of your database.
will update your `db/schema.rb` file to match the structure of your database.
If you specify a target version, Active Record will run the required migrations
(up, down or change) until it has reached the specified version. The version
......
此差异已折叠。
......@@ -62,7 +62,7 @@ HTML Guides
### Generation
To generate all the guides, just `cd` into the **`guides`** directory and execute:
To generate all the guides, just `cd` into the **`guides`** directory, run `bundle install` and execute:
```
bundle exec rake guides:generate
......@@ -74,8 +74,6 @@ or
bundle exec rake guides:generate:html
```
(You may need to run `bundle install` first to install the required gems.)
To process `my_guide.md` and nothing else use the `ONLY` environment variable:
```
......
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