Add "refresh" button when viewing batch

tailbone/templates/newbatch/view.mako

@@ -6,7 +6,18 @@
   ${h.javascript_link(request.static_url('tailbone:static/js/jquery.ui.tailbone.js'))}
   ${h.javascript_link(request.static_url('tailbone:static/js/tailbone.batch.js'))}
   <script type="text/javascript">
+
     var has_execution_options = ${'true' if master.has_execution_options else 'false'};
+
+    $(function() {
+        $('#refresh-data').click(function() {
+            $(this)
+                .button('option', 'disabled', true)
+                .button('option', 'label', "Working, please wait...");
+            location.href = '${url('{}.refresh'.format(route_prefix), uuid=batch.uuid)}';
+        });
+    });
+
   </script>
   <style type="text/css">
 
@@ -25,10 +36,17 @@
 </%def>
 
 <%def name="buttons()">
+## TODO: the refreshable thing still seems confusing...
     <div class="buttons">
-      % if not form.readonly and batch.refreshable:
+      % if master.refreshable:
+          % if form.readonly:
+              % if not batch.executed:
+                  <button type="button" id="refresh-data">Refresh Data</button>
+              % endif
+          % elif batch.refreshable:
               ${h.submit('save-refresh', "Save & Refresh Data")}
           % endif
+      % endif
       % if not batch.executed and request.has_perm('{}.execute'.format(permission_prefix)):
           <button type="button" id="execute-batch"${'' if execute_enabled else ' disabled="disabled"'}>${execute_title}</button>
       % endif