ref: master
app/views/box_organizer/_blog_archives_block.html.erb
<% blogs = @block.box.owner.blogs %>
<% if blogs.count > 1 %>
<%= labelled_form_field _('Choose a blog:'), select('block', 'blog_id', blogs.map {|item| [ item.path, item.id ]}, :selected => @block.blog.id) %>
<% end %>