Freemarker function for testing if an item in an object list has an attached image

git-svn-id: https://svn.libreccm.org/ccm/trunk@6066 8810af33-2d31-482b-a856-94f89814c4df

ccm-navigation/web/themes/freemarker/ccm-navigation/object-list.ftl

@@ -82,6 +82,10 @@
     <#return item["./nav:path"]>
 </#function>
 
+<#function hasImage item>
+    <#return (item["./nav:attribute[@name='imageAttachments.image.id']"]?size > 0)>
+</#function>
+
 <#function getImageId item>
     <#return item["./nav:attribute[@name='imageAttachments.image.id'][1]"]>
 </#function>