app/views/subscribes/edit.html.erb
<div id="content_detail" class="ui-corner-all">
<h1 class="title"><%= t('page.editing', :model => t('activerecord.models.subscribe')) -%></h1>
<div id="content_list">
<%= form_for(@subscribe) do |f| -%>
<%= f.error_messages -%>
<div class="field">
<%= f.label t('activerecord.models.subscription') -%><br />
<%= f.text_field :subscription_id -%>
</div>
<div class="field">
<%= f.label t('activerecord.models.work') -%><br />
<%= f.text_field :work_id -%>
</div>
<div class="field">
<%= f.label :start_at -%><br />
<%= f.text_field :start_at, :value => @subscribe.start_at.try(:strftime, "%Y-%m-%d"), :class => 'date_field' -%>
</div>
<div class="field">
<%= f.label :end_at -%><br />
<%= f.text_field :end_at, :value => @subscribe.end_at.try(:strftime, "%Y-%m-%d"), :class => 'date_field' -%>
</div>
<div class="actions">
<%= f.submit %>
</div>
<%- end -%>
</div>
</div>
<div id="submenu" class="ui-corner-all">
<ul>
<li><%= link_to t('page.show'), @subscribe -%></li>
<li><%= link_to t('page.back'), subscribes_path -%></li>
</ul>
</div>