编辑作业时显示已添加的附件

app/views/attachments/_form.html.erb

@@ -1,10 +1,10 @@
 <span id="attachments_fields">
 <% if defined?(container) && container && container.saved_attachments %>
-  <% container.saved_attachments.each_with_index do |attachment, i| %>
-    <span id="attachments_p<%= i %>">
-      <span style="width:100px;"><%= text_field_tag("attachments[p#{i}][filename]", attachment.filename, :class => 'filename', :maxlength => 10)%>
-      </span>
-      <%= text_field_tag("attachments[p#{i}][description]", attachment.description, :maxlength => 155, :placeholder => l(:label_optional_description), :class => 'description') +
+  <% container.attachments.each_with_index do |attachment, i| %>
+    <span id="attachments_p<%= i %>" class="attachment">
+      <%= text_field_tag("attachments[p#{i}][filename]", attachment.filename, :class => 'filename readonly', :readonly=>'readonly')%>
+
+      <%= text_field_tag("attachments[p#{i}][description]", attachment.description, :maxlength => 255, :placeholder => l(:label_optional_description), :class => 'description', :style=>"display: inline-block;") +
           link_to('&nbsp;'.html_safe, attachment_path(attachment, :attachment_id => "p#{i}", :format => 'js'), :method => 'delete', :remote => true, :class => 'remove-upload') %>
       <%= hidden_field_tag "attachments[p#{i}][token]", "#{attachment.token}" %>
     </span>

app/views/bids/_homework_form.html.erb

@@ -37,5 +37,5 @@
 <p><%= hidden_field_tag 'course_id', @project_id %>
 </p>
 <fieldset><legend><%= l(:label_attachment_plural) %></legend>
-<p><%= render :partial => 'attachments/form', :locals => {:container => @homework} %></p>
+<p><%= render :partial => 'attachments/form', :locals => {:container => @bid} %></p>
 </fieldset>