diff options
Diffstat (limited to 'actionpack/lib/action_view/helpers/form_helper.rb')
| -rw-r--r-- | actionpack/lib/action_view/helpers/form_helper.rb | 57 |
1 files changed, 41 insertions, 16 deletions
diff --git a/actionpack/lib/action_view/helpers/form_helper.rb b/actionpack/lib/action_view/helpers/form_helper.rb index 43d5cf1471..cc1f133196 100644 --- a/actionpack/lib/action_view/helpers/form_helper.rb +++ b/actionpack/lib/action_view/helpers/form_helper.rb @@ -5,10 +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 @@ -22,7 +25,7 @@ module ActionView # being routed to the appropriate controller action (with the appropriate <tt>:id</tt> # parameter in the case of an existing resource), (ii) input fields should # be named in such a way that in the controller their values appear in the - # appropriate places within the +params+ hash, and (iii) for an existing record, + # appropriate places within the +params+ hash, and (iii) for an existing record, # when the form is initially displayed, input fields corresponding to attributes # of the resource should show the current values of those attributes. # @@ -156,7 +159,7 @@ module ActionView # if <tt>:person</tt> also happens to be the name of an instance variable # <tt>@person</tt>, the default value of the field shown when the form is # initially displayed (e.g. in the situation where you are editing an - # existing record) will be the value of the corresponding attribute of + # existing record) will be the value of the corresponding attribute of # <tt>@person</tt>. # # The rightmost argument to +form_for+ is an @@ -183,7 +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 %> # @@ -672,6 +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) @@ -884,11 +900,10 @@ module ActionView # In that case it is preferable to either use +check_box_tag+ or to use # hashes instead of arrays. # - # ==== Examples # # 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") @@ -910,7 +925,6 @@ module ActionView # To force the radio button to be checked pass <tt>:checked => true</tt> in the # +options+ hash. You may pass HTML options there as well. # - # ==== Examples # # Let's say that @post.category returns "rails": # radio_button("post", "category", "rails") # radio_button("post", "category", "java") @@ -929,8 +943,6 @@ module ActionView # assigned to the template (identified by +object_name+). Inputs of type "search" may be styled differently by # some browsers. # - # ==== Examples - # # search_field(:user, :name) # # => <input id="user_name" name="user[name]" type="search" /> # search_field(:user, :name, :autosave => false) @@ -946,7 +958,6 @@ module ActionView # # => <input autosave="false" id="user_name" incremental="true" name="user[name]" onsearch="true" type="search" /> # search_field(:user, :name, :autosave => true, :onsearch => true) # # => <input autosave="com.example.www" id="user_name" incremental="true" name="user[name]" onsearch="true" results="10" type="search" /> - # def search_field(object_name, method, options = {}) Tags::SearchField.new(object_name, method, self, options).render end @@ -1025,9 +1036,14 @@ 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 @@ -1037,7 +1053,7 @@ 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) @@ -1057,7 +1073,12 @@ module ActionView self end - def initialize(object_name, object, template, options) + def initialize(object_name, object, template, options, block=nil) + if block + ActiveSupport::Deprecation.warn( + "Giving a block to FormBuilder is deprecated and has no effect anymore.") + end + @nested_child_index = {} @object_name, @object, @template, @options = object_name, object, template, options @parent_builder = options[:parent_builder] @@ -1070,6 +1091,7 @@ 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| @@ -1101,12 +1123,14 @@ 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 @@ -1244,7 +1268,8 @@ 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 |