app/views/collections/_edit_collection.html.haml
%h3.section_title
Edit Collection
= link_to collection.name, collection_path(:id => collection.id)
%div.section_options
= form_tag collection_path(:id => collection.id), :method => :delete do
= button_tag :type => 'submit', :class => 'btn btn-default' do
%span.glyphicon.glyphicon-trash
Delete Collection
%div.section_body
= render :partial => 'collections/form', :locals => {:collection => collection}
= render :partial => 'problems/problem_table',
:locals => {:problems => collection.problems, :columns => [:checkbox, :problem, :tags],
:group_id => collection.id, :empty_msg => 'This collection is empty'}