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authorAlvaro Pereyra <alvaro@xendacentral.com>2012-12-01 15:19:34 -0500
committerAlvaro Pereyra <alvaro@xendacentral.com>2012-12-01 15:19:45 -0500
commit4940d6d096a581d46addecd9b41bbd62af3e1888 (patch)
tree7b52d9d8260c9b2e5afa35a8180e244c9605565c /actionpack/lib/action_view/helpers/form_options_helper.rb
parent82ebe186e6037115c958cbb2c9ff34a3fb7d3eb0 (diff)
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Cleans and removes useless 'Examples' tag [ci skip]
Diffstat (limited to 'actionpack/lib/action_view/helpers/form_options_helper.rb')
-rw-r--r--actionpack/lib/action_view/helpers/form_options_helper.rb91
1 files changed, 43 insertions, 48 deletions
diff --git a/actionpack/lib/action_view/helpers/form_options_helper.rb b/actionpack/lib/action_view/helpers/form_options_helper.rb
index 9310a90f0f..c0e7ee1f8d 100644
--- a/actionpack/lib/action_view/helpers/form_options_helper.rb
+++ b/actionpack/lib/action_view/helpers/form_options_helper.rb
@@ -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 ActionView
# <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 ActionView
#
# * <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 ActionView
# 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 ActionView
#
# * <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 ActionView
#
# 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 ActionView
# 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 @@ module ActionView
# 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 @@ module ActionView
# 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 @@ module ActionView
# +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 @@ module ActionView
# 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 @@ module ActionView
# 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 @@ module ActionView
# 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 @@ module ActionView
# 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 @@ module ActionView
# ]
# 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 @@ module ActionView
# <option value="France">France</option>
# </optgroup>
#
- # Sample usage (divider):
# grouped_options = [
# [['United States','US'], 'Canada'],
# ['Denmark','Germany','France']