dataset info: present decoded IDs for admins and add peek

templates/show_params.mako

@@ -174,11 +174,26 @@
         %if job:
             <tr><td>Tool Exit Code:</td><td>${ job.exit_code | h }</td></tr>
         %endif
-        <tr><td>History Content API ID:</td><td>${encoded_hda_id}</td></tr>
+        <tr><td>History Content API ID:</td>
+        <td>${encoded_hda_id}
+            %if trans.user_is_admin():
+                (${hda.id})
+            %endif
+        </td></tr>
         %if job:
-            <tr><td>Job API ID:</td><td>${trans.security.encode_id( job.id )}</td></tr>
+            <tr><td>Job API ID:</td>
+            <td>${trans.security.encode_id( job.id )}
+                %if trans.user_is_admin():
+                    (${job.id})
+                %endif
+            </td></tr>
         %endif
-        <tr><td>History API ID:</td><td>${encoded_history_id}</td></tr>
+        <tr><td>History API ID:</td>
+        <td>${encoded_history_id}
+            %if trans.user_is_admin():
+                (${hda.history_id})
+            %endif
+        </td></tr>
         %if hda.dataset.uuid:
         <tr><td>UUID:</td><td>${hda.dataset.uuid}</td></tr>
         %endif
@@ -279,6 +294,11 @@ ${ job.command_line | h }</pre>
     </table>
 %endif
 
+%if hda.peek:
+    <h3>Dataset peek</h3>
+    <pre class="dataset-peek">${hda.peek}
+    </pre>
+%endif
 
 
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