app/views/media_resources/edit/fields/_meta_datum_copyright.html.haml
:ruby
copyright_roots = Copyright.roots
current = (meta_datum.nil? ? nil : meta_datum.value) || Copyright.default
%input.value-target{:name => "resource[meta_data_attributes][#{@i}][value]", :type => "hidden", :value => current}
%select.block.copyright-roots{:id => "resource[meta_data_attributes][#{@i}][value]"}
/ # parent copyright options
- copyright_roots.each do |copyright|
= render partial: "media_resources/edit/fields/meta_datum_copyright/option",
locals: {:copyright => copyright, :selected => current.root}
/ # child copyright options
- copyright_roots.each do |copyright|
- unless copyright.leaf?
%select.block.copyright-children.hidden{:"data-parent-id" => copyright.id}
- copyright.children.each do |child|
- if child.leaf? # if it's just an option…
= render :partial => "media_resources/edit/fields/meta_datum_copyright/option",
:locals => {:copyright => child, :selected => current}
- else # if it's a "grouped" option…
%optgroup{:label => child.label}
- child.children.each do |leaf|
= render :partial => "media_resources/edit/fields/meta_datum_copyright/option",
:locals => {:copyright => leaf, :selected => current}