NIHVIVO-2411 Create a TemplateUtils class to slightly simplify the browse templates.

webapp/src/edu/cornell/mannlib/vitro/webapp/web/TemplateUtils.java

@@ -0,0 +1,53 @@
+/* $This file is distributed under the terms of the license in /doc/license.txt$ */
+
+package edu.cornell.mannlib.vitro.webapp.web;
+
+import java.util.List;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+import freemarker.template.TemplateCollectionModel;
+import freemarker.template.TemplateMethodModelEx;
+import freemarker.template.TemplateModel;
+import freemarker.template.TemplateModelException;
+import freemarker.template.TemplateScalarModel;
+import freemarker.template.TemplateSequenceModel;
+import freemarker.template.utility.DeepUnwrap;
+
+/**
+ * TODO
+ */
+public class TemplateUtils {
+	private static final Log log = LogFactory.getLog(TemplateUtils.class);
+
+	public static class DropFromSequence implements TemplateMethodModelEx {
+		@SuppressWarnings({ "rawtypes", "unchecked" })
+		@Override
+		public Object exec(List args) throws TemplateModelException {
+			if (args.size() != 2) {
+				throw new TemplateModelException("Wrong number of arguments");
+			}
+
+			TemplateModel sequenceWrapper = (TemplateModel) args.get(0);
+			if (!(sequenceWrapper instanceof TemplateSequenceModel)
+					&& !(sequenceWrapper instanceof TemplateCollectionModel)) {
+				throw new TemplateModelException(
+						"First argument must be a sequence or a collection");
+			}
+			TemplateModel unwantedWrapper = (TemplateModel) args.get(1);
+			if (!(unwantedWrapper instanceof TemplateScalarModel)) {
+				throw new TemplateModelException(
+						"Second argument must be a string");
+			}
+
+			List<String> sequence = (List<String>) DeepUnwrap
+					.unwrap(sequenceWrapper);
+			String unwanted = (String) DeepUnwrap.unwrap(unwantedWrapper);
+
+			sequence.remove(unwanted);
+			return sequence;
+		}
+
+	}
+}

webapp/web/templates/freemarker/body/partials/shortview/view-browse-default.ftl

@@ -17,11 +17,7 @@
     </h1>
 </#if>
 
-<#assign typesString>
-	[<#list individual.mostSpecificTypes as type><#if type != vclass>,"${type}"</#if></#list>]
-</#assign>
-<#assign cleanTypes = typesString?replace("[,", "[")?eval >
-
+<#assign cleanTypes = 'edu.cornell.mannlib.vitro.webapp.web.TemplateUtils$DropFromSequence'?new()(individual.mostSpecificTypes, vclass) />
 <#if cleanTypes?size == 1>
     <span class="title">${cleanTypes[0]}</span>
 <#elseif (cleanTypes?size > 1) >