_file.haml in bhf-0.2.9

- old
+ new
@@ -1,16 +1,22 @@
 - # no file upload on ajax submit :(
 - unless @quick_edit
   = node f, field do
     = f.fields_for field.name do |f_file|
-      - file = f.object.send(field.name)
-      - if file.is_a?(String)
-        - if is_image?(file)
-          = image_tag file, :class => 'uploaded_image'
-        - else
-          = link_to file, file, :class => 'uploaded_file'
-      - unless file.blank?
-        .file_delete
-          = f_file.check_box :delete
-          = f_file.label :delete, t('bhf.helpers.file.delete')
+      - file = f.object.send(:read_attribute, field.name)
+      - if file.is_a? Hash
+        %p.warning= t('bhf.helpers.file.reselect')
+      - else
+        - file = f.object.send(field.name)
+        - if file.is_a? ActionDispatch::Http::UploadedFile
+          - file = f.object.send("#{field.name}_was")
+        - if file.is_a?(String)
+          - if is_image?(file)
+            = image_tag file, :class => 'uploaded_image'
+          - else
+            = link_to file, file, :class => 'uploaded_file'
+        - unless file.blank?
+          .file_delete
+            = f_file.check_box :delete
+            = f_file.label :delete, t('bhf.helpers.file.delete')
 
       = f_file.file_field :file
\ No newline at end of file