Add versioning display support for contact-related models

tailbone/templates/master/view_version.mako

@@ -1,7 +1,7 @@
 ## -*- coding: utf-8; -*-
 <%inherit file="/base.mako" />
 
-<%def name="title()">${instance_title} @ ver ${transaction.id}</%def>
+<%def name="title()">${instance_title_normal} @ ver ${transaction.id}</%def>
 
 ## TODO: this was basically copied from Revel diff template..need to abstract
 
@@ -40,7 +40,7 @@
         background-color: #cfc;
     }
 
-    table.deleted td.local-value,
+    table.deleted td.host-value,
     table.diff tr.diff td.local-value {
         background-color: #fcc;
     }
@@ -75,7 +75,7 @@
 
     <div class="field-wrapper">
       <label>Changed by</label>
-      <div class="field">${transaction.user}</div>
+      <div class="field">${transaction.user or ''}</div>
     </div>
 
     <div class="field-wrapper">
@@ -94,9 +94,28 @@
 
 % for version in versions:
 
-    <h2>${version.version_parent.get_model_title()}</h2>
+    <h2>${title_for_version(version)}</h2>
 
-    % if version.previous:
+    % if version.previous and version.operation_type == continuum.Operation.DELETE:
+        <table class="deleted">
+          <thead>
+            <tr>
+              <th>field name</th>
+              <th>old value</th>
+              <th>new value</th>
+            </tr>
+          </thead>
+          <tbody>
+            % for field in fields_for_version(version):
+               <tr>
+                 <td class="field">${field}</td>
+                 <td class="value local-value">${repr(getattr(version.previous, field))}</td>
+                 <td class="value host-value">&nbsp;</td>
+               </tr>
+            % endfor
+          </tbody>
+        </table>
+    % elif version.previous:
         <table class="diff">
           <thead>
             <tr>