diff options
Diffstat (limited to 'actionview/lib')
5 files changed, 55 insertions, 33 deletions
diff --git a/actionview/lib/action_view/helpers/form_helper.rb b/actionview/lib/action_view/helpers/form_helper.rb index 5a9a5d6d18..610f5c0b4a 100644 --- a/actionview/lib/action_view/helpers/form_helper.rb +++ b/actionview/lib/action_view/helpers/form_helper.rb @@ -1617,7 +1617,14 @@ module ActionView @auto_index end - record_name = index ? "#{object_name}[#{index}][#{record_name}]" : "#{object_name}[#{record_name}]" + record_name = if index + "#{object_name}[#{index}][#{record_name}]" + elsif record_name.to_s.end_with?('[]') + record_name = record_name.to_s.sub(/(.*)\[\]$/, "[\\1][#{record_object.id}]") + "#{object_name}#{record_name}" + else + "#{object_name}[#{record_name}]" + end fields_options[:child_index] = index @template.fields_for(record_name, record_object, fields_options, &block) diff --git a/actionview/lib/action_view/helpers/form_options_helper.rb b/actionview/lib/action_view/helpers/form_options_helper.rb index 728e633bbf..f6dd179bb7 100644 --- a/actionview/lib/action_view/helpers/form_options_helper.rb +++ b/actionview/lib/action_view/helpers/form_options_helper.rb @@ -644,6 +644,24 @@ module ActionView # collection_radio_buttons(:post, :author_id, Author.all, :id, :name_with_initial) do |b| # b.label(:"data-value" => b.value) { b.radio_button + b.text } # end + # + # ==== Gotcha + # + # The HTML specification says when nothing is select on a collection of radio buttons + # web browsers do not send any value to server. + # Unfortunately this introduces a gotcha: + # if a +User+ model has a +category_id+ field, and in the form none category is selected no +category_id+ parameter is sent. So, + # any strong parameters idiom like + # + # params.require(:user).permit(...) + # + # will raise a error since no +{user: ...}+ will be present. + # + # To prevent this the helper generates an auxiliary hidden field before + # every collection of radio buttons. The hidden field has the same name as collection radio button and blank value. + # + # In case if you don't want the helper to generate this hidden field you can specify + # <tt>include_hidden: false</tt> option. def collection_radio_buttons(object, method, collection, value_method, text_method, options = {}, html_options = {}, &block) Tags::CollectionRadioButtons.new(object, method, self, collection, value_method, text_method, options, html_options).render(&block) end diff --git a/actionview/lib/action_view/helpers/tags/collection_check_boxes.rb b/actionview/lib/action_view/helpers/tags/collection_check_boxes.rb index 1765fa6558..3256d44e18 100644 --- a/actionview/lib/action_view/helpers/tags/collection_check_boxes.rb +++ b/actionview/lib/action_view/helpers/tags/collection_check_boxes.rb @@ -9,29 +9,13 @@ module ActionView class CheckBoxBuilder < Builder # :nodoc: def check_box(extra_html_options={}) html_options = extra_html_options.merge(@input_html_options) + html_options[:multiple] = true @template_object.check_box(@object_name, @method_name, html_options, @value, nil) end end def render(&block) - rendered_collection = render_collection do |item, value, text, default_html_options| - default_html_options[:multiple] = true - builder = instantiate_builder(CheckBoxBuilder, item, value, text, default_html_options) - - if block_given? - @template_object.capture(builder, &block) - else - render_component(builder) - end - end - - # Append a hidden field to make sure something will be sent back to the - # server if all check boxes are unchecked. - if @options.fetch(:include_hidden, true) - rendered_collection + hidden_field - else - rendered_collection - end + render_collection_for(CheckBoxBuilder, &block) end private @@ -39,11 +23,6 @@ module ActionView def render_component(builder) builder.check_box + builder.label end - - def hidden_field - hidden_name = @html_options[:name] || "#{tag_name(false, @options[:index])}[]" - @template_object.hidden_field_tag(hidden_name, "", id: nil) - end end end end diff --git a/actionview/lib/action_view/helpers/tags/collection_helpers.rb b/actionview/lib/action_view/helpers/tags/collection_helpers.rb index 8050638363..fea4c8d4ec 100644 --- a/actionview/lib/action_view/helpers/tags/collection_helpers.rb +++ b/actionview/lib/action_view/helpers/tags/collection_helpers.rb @@ -79,6 +79,32 @@ module ActionView yield item, value, text, default_html_options.merge(additional_html_options) end.join.html_safe end + + def render_collection_for(builder_class, &block) #:nodoc: + options = @options.stringify_keys + rendered_collection = render_collection do |item, value, text, default_html_options| + builder = instantiate_builder(builder_class, item, value, text, default_html_options) + + if block_given? + @template_object.capture(builder, &block) + else + render_component(builder) + end + end + + # Append a hidden field to make sure something will be sent back to the + # server if all radio buttons are unchecked. + if options.fetch('include_hidden', true) + rendered_collection + hidden_field + else + rendered_collection + end + end + + def hidden_field #:nodoc: + hidden_name = @html_options[:name] || "#{tag_name(false, @options[:index])}[]" + @template_object.hidden_field_tag(hidden_name, "", id: nil) + end end end end diff --git a/actionview/lib/action_view/helpers/tags/collection_radio_buttons.rb b/actionview/lib/action_view/helpers/tags/collection_radio_buttons.rb index 20be34c1f2..21aaf122f8 100644 --- a/actionview/lib/action_view/helpers/tags/collection_radio_buttons.rb +++ b/actionview/lib/action_view/helpers/tags/collection_radio_buttons.rb @@ -14,15 +14,7 @@ module ActionView end def render(&block) - render_collection do |item, value, text, default_html_options| - builder = instantiate_builder(RadioButtonBuilder, item, value, text, default_html_options) - - if block_given? - @template_object.capture(builder, &block) - else - render_component(builder) - end - end + render_collection_for(RadioButtonBuilder, &block) end private |