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-rw-r--r--actionpack/CHANGELOG2
-rw-r--r--actionpack/lib/action_view/helpers/form_helper.rb21
-rw-r--r--actionpack/test/controller/new_render_test.rb6
-rw-r--r--actionpack/test/template/form_helper_test.rb78
4 files changed, 96 insertions, 11 deletions
diff --git a/actionpack/CHANGELOG b/actionpack/CHANGELOG
index 4ae2cb1cd3..ec983f3ab7 100644
--- a/actionpack/CHANGELOG
+++ b/actionpack/CHANGELOG
@@ -1,5 +1,7 @@
*SVN*
+* Introduce the :index option for form_for and fields_for to simplify multi-model forms (see http://railscasts.com/episodes/75). #9883 [rmm5t]
+
* Introduce map.resources :cards, :as => 'tarjetas' to use a custom resource name in the URL: cards_path == '/tarjetas'. #10578 [blj]
* TestSession supports indifferent access. #7372 [tamc, Arsen7, mhackett, julik, jean.helou]
diff --git a/actionpack/lib/action_view/helpers/form_helper.rb b/actionpack/lib/action_view/helpers/form_helper.rb
index d2835a2438..4d1e913fe3 100644
--- a/actionpack/lib/action_view/helpers/form_helper.rb
+++ b/actionpack/lib/action_view/helpers/form_helper.rb
@@ -66,6 +66,9 @@ module ActionView
#
# <input type="text" id="person_1_name" name="person[1][name]" value="<%= @person.name %>" />
#
+ # An <tt>index</tt> option may also be passed to <tt>form_for</tt> and <tt>fields_for</tt>. This automatically applies
+ # the <tt>index</tt> to all the nested fields.
+ #
# There are also methods for helping to build form tags in link:classes/ActionView/Helpers/FormOptionsHelper.html,
# link:classes/ActionView/Helpers/DateHelper.html, and link:classes/ActionView/Helpers/ActiveRecordHelper.html
module FormHelper
@@ -644,12 +647,13 @@ module ActionView
def initialize(object_name, object, template, options, proc)
@object_name, @object, @template, @options, @proc = object_name, object, template, options, proc
+ @default_options = @options ? @options.slice(:index) : {}
end
(field_helpers - %w(label check_box radio_button fields_for)).each do |selector|
src = <<-end_src
def #{selector}(method, options = {})
- @template.send(#{selector.inspect}, @object_name, method, options.merge(:object => @object))
+ @template.send(#{selector.inspect}, @object_name, method, objectify_options(options))
end
end_src
class_eval src, __FILE__, __LINE__
@@ -668,20 +672,20 @@ module ActionView
name = "#{object_name}[#{ActionController::RecordIdentifier.singular_class_name(object)}]"
args.unshift(object)
end
-
+
@template.fields_for(name, *args, &block)
end
def label(method, text = nil, options = {})
- @template.label(@object_name, method, text, options.merge(:object => @object))
+ @template.label(@object_name, method, text, objectify_options(options))
end
def check_box(method, options = {}, checked_value = "1", unchecked_value = "0")
- @template.check_box(@object_name, method, options.merge(:object => @object), checked_value, unchecked_value)
+ @template.check_box(@object_name, method, objectify_options(options), checked_value, unchecked_value)
end
def radio_button(method, tag_value, options = {})
- @template.radio_button(@object_name, method, tag_value, options.merge(:object => @object))
+ @template.radio_button(@object_name, method, tag_value, objectify_options(options))
end
def error_message_on(method, prepend_text = "", append_text = "", css_class = "formError")
@@ -689,12 +693,17 @@ module ActionView
end
def error_messages(options = {})
- @template.error_messages_for(@object_name, options.merge(:object => @object))
+ @template.error_messages_for(@object_name, objectify_options(options))
end
def submit(value = "Save changes", options = {})
@template.submit_tag(value, options.reverse_merge(:id => "#{object_name}_submit"))
end
+
+ private
+ def objectify_options(options)
+ @default_options.merge(options.merge(:object => @object))
+ end
end
end
diff --git a/actionpack/test/controller/new_render_test.rb b/actionpack/test/controller/new_render_test.rb
index 4a9b0e9ddf..d3f5ccf4aa 100644
--- a/actionpack/test/controller/new_render_test.rb
+++ b/actionpack/test/controller/new_render_test.rb
@@ -136,11 +136,11 @@ class NewRenderTestController < ActionController::Base
end
def partial_with_form_builder
- render :partial => ActionView::Helpers::FormBuilder.new(:post, nil, @template, nil, Proc.new {})
+ render :partial => ActionView::Helpers::FormBuilder.new(:post, nil, @template, {}, Proc.new {})
end
-
+
def partial_with_form_builder_subclass
- render :partial => LabellingFormBuilder.new(:post, nil, @template, nil, Proc.new {})
+ render :partial => LabellingFormBuilder.new(:post, nil, @template, {}, Proc.new {})
end
def partial_collection
diff --git a/actionpack/test/template/form_helper_test.rb b/actionpack/test/template/form_helper_test.rb
index a3dff7ec52..b788a9e2f9 100644
--- a/actionpack/test/template/form_helper_test.rb
+++ b/actionpack/test/template/form_helper_test.rb
@@ -363,14 +363,14 @@ class FormHelperTest < Test::Unit::TestCase
def test_form_for_with_index
_erbout = ''
-
+
form_for("post[]", @post) do |f|
_erbout.concat f.label(:title)
_erbout.concat f.text_field(:title)
_erbout.concat f.text_area(:body)
_erbout.concat f.check_box(:secret)
end
-
+
expected =
"<form action='http://www.example.com' method='post'>" +
"<label for=\"post_123_title\">Title</label>" +
@@ -383,6 +383,26 @@ class FormHelperTest < Test::Unit::TestCase
assert_dom_equal expected, _erbout
end
+ def test_form_for_with_nil_index_option_override
+ _erbout = ''
+
+ form_for("post[]", @post, :index => nil) do |f|
+ _erbout.concat f.text_field(:title)
+ _erbout.concat f.text_area(:body)
+ _erbout.concat f.check_box(:secret)
+ end
+
+ expected =
+ "<form action='http://www.example.com' method='post'>" +
+ "<input name='post[][title]' size='30' type='text' id='post__title' value='Hello World' />" +
+ "<textarea name='post[][body]' id='post__body' rows='20' cols='40'>Back to the hill and over it again!</textarea>" +
+ "<input name='post[][secret]' checked='checked' type='checkbox' id='post__secret' value='1' />" +
+ "<input name='post[][secret]' type='hidden' value='0' />" +
+ "</form>"
+
+ assert_dom_equal expected, _erbout
+ end
+
def test_nested_fields_for
_erbout = ''
form_for(:post, @post) do |f|
@@ -416,6 +436,60 @@ class FormHelperTest < Test::Unit::TestCase
assert_dom_equal expected, _erbout
end
+ def test_fields_for_with_index
+ _erbout = ''
+
+ fields_for("post[]", @post) do |f|
+ _erbout.concat f.text_field(:title)
+ _erbout.concat f.text_area(:body)
+ _erbout.concat f.check_box(:secret)
+ end
+
+ expected =
+ "<input name='post[123][title]' size='30' type='text' id='post_123_title' value='Hello World' />" +
+ "<textarea name='post[123][body]' id='post_123_body' rows='20' cols='40'>Back to the hill and over it again!</textarea>" +
+ "<input name='post[123][secret]' checked='checked' type='checkbox' id='post_123_secret' value='1' />" +
+ "<input name='post[123][secret]' type='hidden' value='0' />"
+
+ assert_dom_equal expected, _erbout
+ end
+
+ def test_fields_for_with_nil_index_option_override
+ _erbout = ''
+
+ fields_for("post[]", @post, :index => nil) do |f|
+ _erbout.concat f.text_field(:title)
+ _erbout.concat f.text_area(:body)
+ _erbout.concat f.check_box(:secret)
+ end
+
+ expected =
+ "<input name='post[][title]' size='30' type='text' id='post__title' value='Hello World' />" +
+ "<textarea name='post[][body]' id='post__body' rows='20' cols='40'>Back to the hill and over it again!</textarea>" +
+ "<input name='post[][secret]' checked='checked' type='checkbox' id='post__secret' value='1' />" +
+ "<input name='post[][secret]' type='hidden' value='0' />"
+
+ assert_dom_equal expected, _erbout
+ end
+
+ def test_fields_for_with_index_option_override
+ _erbout = ''
+
+ fields_for("post[]", @post, :index => "abc") do |f|
+ _erbout.concat f.text_field(:title)
+ _erbout.concat f.text_area(:body)
+ _erbout.concat f.check_box(:secret)
+ end
+
+ expected =
+ "<input name='post[abc][title]' size='30' type='text' id='post_abc_title' value='Hello World' />" +
+ "<textarea name='post[abc][body]' id='post_abc_body' rows='20' cols='40'>Back to the hill and over it again!</textarea>" +
+ "<input name='post[abc][secret]' checked='checked' type='checkbox' id='post_abc_secret' value='1' />" +
+ "<input name='post[abc][secret]' type='hidden' value='0' />"
+
+ assert_dom_equal expected, _erbout
+ end
+
def test_fields_for_without_object
_erbout = ''
fields_for(:post) do |f|