Added check for no data. When there is no content a message is displayed instead of rendering a blank index page.

webapp/web/templates/freemarker/body/classGroups.ftl

@@ -2,7 +2,10 @@
 
 <#-- List class groups, and classes within each group. -->
 
-<div class="siteMap">
+<#include "classgroups-checkForData.ftl">
+
+<#if (!noData)>
+    <div class="siteMap">
         <#list classGroups as classGroup>
             <#-- Only render classgroups that have at least one class with individuals -->
             <#if (classGroup.individualCount > 0)>
@@ -17,4 +20,7 @@
                 </ul>
             </#if>
         </#list>
-</div>
+    </div>
+<#else>
+    ${noDataNotification}
+</#if>

webapp/web/templates/freemarker/body/partials/classgroups-checkForData.ftl

@@ -0,0 +1,20 @@
+<#-- $This file is distributed under the terms of the license in /doc/license.txt$ -->
+
+<#list classGroups as classGroup>
+    <#assign populatedClassGroups = 0 />
+    <#-- Check to see if any of the class groups have individuals -->
+    <#if (classGroup.individualCount > 0)>
+        <#assign populatedClassGroups = populatedClassGroups + 1 />
+    </#if>
+</#list>
+<#if (populatedClassGroups == 0)>
+    <#assign noData = true />
+<#else>
+    <#assign noData = false />
+</#if>
+
+<#assign noDataNotification>
+    <h3>There is currently no content in the system</h3>
+    
+    <p>Please <a href="${urls.login}" title="log in to manage this site">login</a> to manage content.</p>
+</#assign>