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-rw-r--r--actionpack/lib/action_view/helpers/form_helper.rb40
1 files changed, 32 insertions, 8 deletions
diff --git a/actionpack/lib/action_view/helpers/form_helper.rb b/actionpack/lib/action_view/helpers/form_helper.rb
index 6219a7a924..0fbd6ac41b 100644
--- a/actionpack/lib/action_view/helpers/form_helper.rb
+++ b/actionpack/lib/action_view/helpers/form_helper.rb
@@ -5,11 +5,13 @@ require 'action_view/helpers/form_tag_helper'
require 'action_view/helpers/active_model_helper'
require 'action_view/helpers/tags'
require 'active_support/core_ext/class/attribute'
+require 'active_support/core_ext/class/attribute_accessors'
require 'active_support/core_ext/hash/slice'
require 'active_support/core_ext/object/blank'
require 'active_support/core_ext/string/output_safety'
require 'active_support/core_ext/array/extract_options'
require 'active_support/deprecation'
+require 'active_support/core_ext/string/inflections'
module ActionView
# = Action View Form Helpers
@@ -184,7 +186,7 @@ module ActionView
# First name: <%= f.text_field :first_name %>
# Last name : <%= f.text_field :last_name %>
# Biography : <%= text_area :person, :biography %>
- # Admin? : <%= check_box_tag "person[admin]", @person.company.admin? %>
+ # Admin? : <%= check_box_tag "person[admin]", "1", @person.company.admin? %>
# <%= f.submit %>
# <% end %>
#
@@ -673,6 +675,19 @@ module ActionView
# <% end %>
# ...
# <% end %>
+ #
+ # When a collection is used you might want to know the index of each
+ # object into the array. For this purpose, the <tt>index</tt> method
+ # is available in the FormBuilder object.
+ #
+ # <%= form_for @person do |person_form| %>
+ # ...
+ # <%= person_form.fields_for :projects do |project_fields| %>
+ # Project #<%= project_fields.index %>
+ # ...
+ # <% end %>
+ # ...
+ # <% end %>
def fields_for(record_name, record_object = nil, options = {}, &block)
builder = instantiate_builder(record_name, record_object, options)
output = capture(builder, &block)
@@ -889,7 +904,7 @@ module ActionView
# # Let's say that @post.validated? is 1:
# check_box("post", "validated")
# # => <input name="post[validated]" type="hidden" value="0" />
- # # <input type="checkbox" id="post_validated" name="post[validated]" value="1" />
+ # # <input checked="checked" type="checkbox" id="post_validated" name="post[validated]" value="1" />
#
# # Let's say that @puppy.gooddog is "no":
# check_box("puppy", "gooddog", {}, "yes", "no")
@@ -1026,9 +1041,14 @@ module ActionView
object_name = ActiveModel::Naming.param_key(object)
end
- builder = options[:builder] || ActionView::Base.default_form_builder
+ builder = options[:builder] || default_form_builder
builder.new(object_name, object, self, options)
end
+
+ def default_form_builder
+ builder = ActionView::Base.default_form_builder
+ builder.respond_to?(:constantize) ? builder.constantize : builder
+ end
end
class FormBuilder
@@ -1038,7 +1058,7 @@ module ActionView
attr_accessor :object_name, :object, :options
- attr_reader :multipart, :parent_builder
+ attr_reader :multipart, :parent_builder, :index
alias :multipart? :multipart
def multipart=(multipart)
@@ -1076,6 +1096,7 @@ module ActionView
end
end
@multipart = nil
+ @index = options[:index] || options[:child_index]
end
(field_helpers - [:label, :check_box, :radio_button, :fields_for, :hidden_field, :file_field]).each do |selector|
@@ -1107,12 +1128,14 @@ module ActionView
end
index = if options.has_key?(:index)
- "[#{options[:index]}]"
+ options[:index]
elsif defined?(@auto_index)
self.object_name = @object_name.to_s.sub(/\[\]$/,"")
- "[#{@auto_index}]"
+ @auto_index
end
- record_name = "#{object_name}#{index}[#{record_name}]"
+
+ record_name = index ? "#{object_name}[#{index}][#{record_name}]" : "#{object_name}[#{record_name}]"
+ fields_options[:child_index] = index
@template.fields_for(record_name, record_object, fields_options, &block)
end
@@ -1250,7 +1273,8 @@ module ActionView
explicit_child_index = options[:child_index]
output = ActiveSupport::SafeBuffer.new
association.each do |child|
- output << fields_for_nested_model("#{name}[#{explicit_child_index || nested_child_index(name)}]", child, options, block)
+ options[:child_index] = nested_child_index(name) unless explicit_child_index
+ output << fields_for_nested_model("#{name}[#{options[:child_index]}]", child, options, block)
end
output
elsif association