NIHVIVO-1336 Finished custom list view for core:educationalTraining property

webapp/web/templates/freemarker/lib/lib-datetime.ftl

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+<#-- $This file is distributed under the terms of the license in /doc/license.txt$ -->
+
+<#-- Macros and functions for datetime formatting. 
+
+     Currently these do more than format the datetime string, they actually select the precision as well. This should change in a future
+     implementation; see NIHVIVO-1567. We want the Java code to apply the precision to the datetime string to pass only the
+     meaningful data to the templates. The templates can format as they like, so these functions/macros would do display formatting
+     but not data extraction.
+ -->
+
+<#-- Function xsdDateTimeToYear 
+     
+     Display an XSD datetime string as a year.
+     
+     Example: 1983-12-07T17:15:28Z displays as 1983
+-->
+
+<#function xsdDateTimeToYear datetime>
+    <#return datetime?date("yyyy")?string("yyyy") >
+</#function>