<%= semantic_form_for setting, :method => :put, :url => admin_setting_path(setting) do |f| %> <%= f.inputs do %> <% case setting.type %> <% when "file" %> <%= f.input :file %> <%= f.input :remove_file, :as => :boolean %> <% when "text" %> <%= f.input :string, :as => :text %> <% else %> <%= f.input :string, :placeholder => "Default: " + setting.default_value %> <% end %> <% end %> <% end %>