commit 6be219a9f21b0d72613184cc440f908b6a165101
Author: Jan Schulz-Hofen <jan@plan.io>
Date:   Mon Mar 11 14:47:26 2013 +0100

    include attachment thumbnails in issue history

diff --git a/app/views/issues/_history.html.erb b/app/views/issues/_history.html.erb
index aea0d1e..c11fa3f 100644
--- a/app/views/issues/_history.html.erb
+++ b/app/views/issues/_history.html.erb
@@ -12,6 +12,16 @@
        <li><%= string %></li>
       <% end %>
     </ul>
+    <% if Setting.thumbnails_enabled? %>
+      <% thumbnail_attachments = journal.details.map{|d| d.property == 'attachment' and !d.value.blank? and Attachment.find_by_id(d.prop_key)}.select{|a| a and a.thumbnailable? } %>
+      <% if thumbnail_attachments.any? %>
+        <div class="thumbnails">
+          <% thumbnail_attachments.each do |attachment| %>
+          <div><%= thumbnail_tag(attachment) %></div>
+          <% end %>
+        </div>
+      <% end %>
+    <% end %>
     <% end %>
     <%= render_notes(issue, journal, :reply_links => reply_links) unless journal.notes.blank? %>
   </div>
diff --git a/public/stylesheets/application.css b/public/stylesheets/application.css
index 86ff752..c2aaae4 100644
--- a/public/stylesheets/application.css
+++ b/public/stylesheets/application.css
@@ -527,6 +527,7 @@ div.attachments span.author { font-size: 0.9em; color: #888; }
 div.thumbnails {margin-top:0.6em;}
 div.thumbnails div {background:#fff;border:2px solid #ddd;display:inline-block;margin-right:2px;}
 div.thumbnails img {margin: 3px;}
+#history div.thumbnails {margin-left: 2em;}
 
 p.other-formats { text-align: right; font-size:0.9em; color: #666; }
 .other-formats span + span:before { content: "| "; }