diff options
Diffstat (limited to 'actionview/lib/action_view/helpers/tags/collection_check_boxes.rb')
-rw-r--r-- | actionview/lib/action_view/helpers/tags/collection_check_boxes.rb | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/actionview/lib/action_view/helpers/tags/collection_check_boxes.rb b/actionview/lib/action_view/helpers/tags/collection_check_boxes.rb new file mode 100644 index 0000000000..9b77ebeb1b --- /dev/null +++ b/actionview/lib/action_view/helpers/tags/collection_check_boxes.rb @@ -0,0 +1,44 @@ +require 'action_view/helpers/tags/collection_helpers' + +module ActionView + module Helpers + module Tags # :nodoc: + class CollectionCheckBoxes < Base # :nodoc: + include CollectionHelpers + + class CheckBoxBuilder < Builder # :nodoc: + def check_box(extra_html_options={}) + html_options = extra_html_options.merge(@input_html_options) + @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. + hidden_name = @html_options[:name] || "#{tag_name}[]" + hidden = @template_object.hidden_field_tag(hidden_name, "", :id => nil) + + rendered_collection + hidden + end + + private + + def render_component(builder) + builder.check_box + builder.label + end + end + end + end +end |