NIHVIVO-2325 Display core:hasPreseneterRole date as non-interval

productMods/config/listViewConfig-hasRole.xml

@@ -11,10 +11,15 @@
         
         SELECT DISTINCT <collated>?subclass</collated>
                         ?role 
+                        ?startDateOnly
                         ?roleLabel 
                         ?activity ?activityName 
                         ?dateTimeStart ?dateTimeEnd WHERE {
+                        
             ?subject ?property ?role  
+            
+            LET (?startDateOnly := (?property = core:hasPresenterRole) )
+            
             OPTIONAL { ?role core:roleIn ?activity . 
                        ?activity rdfs:label ?activityName 
             }

productMods/templates/freemarker/body/partials/individual/propStatement-hasRole.ftl

@@ -10,7 +10,6 @@
 <#-- Use a macro to keep variable assignments local; otherwise the values carry over to the
      next statement -->
 <#macro showRole statement>
-    
     <#local linkedIndividual>
         <#if statement.activity??>
             <a href="${profileUrl(statement.activity)}">${statement.activityLabel!statement.activityName}</a>
@@ -19,7 +18,15 @@
             <a href="${profileUrl(statement.role)}">missing activity</a>
         </#if>
     </#local>
+    
+    <#local dateTime>
+        <#if statement.startDateOnly == "true">
+            <@dt.yearSpan statement.dateTimeStart! />
+        <#else>
+            <@dt.yearIntervalSpan "${statement.dateTimeStart!}" "${statement.dateTimeEnd!}" />
+        </#if>
+    </#local>
 
-    ${linkedIndividual} ${statement.roleLabel!} <@dt.yearIntervalSpan "${statement.dateTimeStart!}" "${statement.dateTimeEnd!}" />
+    ${linkedIndividual} ${statement.roleLabel!} ${dateTime!}
 
 </#macro>