<%= f.select :module_app, options_from_collection_for_select(@module_apps, :id, :title, :selected => @module_app.id), {}, {:rel => admin_page_parts_path} %>
<%= f.select :widget_path, @module_app.widgets.collect{|widget| [widget.humanize, widget]}, :selected => @part.widget_path %>
<%= render 'widget_categories' %>