app/views/produces/new.html.erb
<div id="content_detail" class="ui-corner-all">
<h1 class="title"><%= t('page.new', :model => t('activerecord.models.produce')) -%></h1>
<div id="content_list">
<%= form_for(@produce) do |f| -%>
<%= f.error_messages -%>
<div class="field">
<%= f.label t('activerecord.models.agent') -%><br />
<%- if @produce.agent -%>
<%= link_to @produce.agent.full_name, @produce.agent -%>
<%= f.hidden_field :agent_id -%>
<%- else -%>
<%= f.text_field :agent_id -%>
<%- end -%>
</div>
<div class="field">
<%= f.label t('activerecord.models.manifestation') -%><br />
<%- if @produce.manifestation -%>
<%= link_to @produce.manifestation_original_title, @produce.manifestation -%>
<%= f.hidden_field :manifestation_id -%>
<%- else -%>
<%= f.text_field :manifestation_id -%>
<%- end -%>
</div>
<div class="actions">
<%= f.submit %>
</div>
<%- end -%>
</div>
</div>
<div id="submenu" class="ui-corner-all">
<ul>
<%- if @produce.agent -%>
<li><%= link_to t('page.listing', :model => t('activerecord.models.agent')), publisher_manifestations_path(@produce.agent) -%></li>
<%- end -%>
<%- if @produce.manifestation -%>
<li><%= link_to t('page.listing', :model => t('activerecord.models.manifestation')), manifestation_agents_path(@produce.manifestation) -%></li>
<%- end -%>
</ul>
</div>