app/views/manifestation_relationships/_form.html.erb
<%= form_for(@manifestation_relationship) do |f| %>
<%= f.error_messages -%>
<div class="field">
<% if @manifestation_relationship.try(:parent) %>
<%= f.label :parent %><br />
<%= link_to @manifestation_relationship.parent.original_title, @manifestation_relationship.parent %>
<%= f.hidden_field :parent_id %>
<% else %>
<%= f.label :parent %><br />
<%= f.text_field :parent_id %>
<% end %>
</div>
<div class="field">
<% if @manifestation_relationship.child.try(:original_title) %>
<%= f.label :child %><br />
<%= link_to @manifestation_relationship.child.original_title, @manifestation_relationship.child %>
<%= f.hidden_field :child_id %>
<% else %>
<%= f.label :child %><br />
<%= f.text_field :child_id %>
<% end %>
</div>
<div class="field">
<%= f.label :manifestation_relationship_type_id %><br />
<%= f.select(:manifestation_relationship_type_id, @manifestation_relationship_types.collect{|r| [r.display_name.localize, r.id]}) -%>
</div>
<div class="actions">
<%= f.submit %>
</div>
<% end %>