1296: Show hierarchy on recursive hierarchical elements

Task-Url: https://pm.winseda.de/issues/1296

item/hierarchyElement.jsp

+<%@page import="de.unibamberg.minf.processing.model.helper.ResourceHelper"%>
+<%@page import="de.unibamberg.minf.processing.model.base.Resource"%>
+<%@page import="java.util.List"%>
+<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
+<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
+
+<c:set var="hierarchyElementTitle" scope="request" value="" />
+<c:choose>
+	<c:when test="${idTitleMap!=null && fn:length(idTitleMap)>0}">
+		<c:forEach items="${idTitleMap}" var="e">
+			<c:if test="${e.key==hierarchyElement.id}">
+				<c:forEach items="${e.value}" var="title">
+					<c:set var="hierarchyElementTitle" scope="request" value="${hierarchyElementTitle} ${fn:replace(title.value, newLineChar, ' ')}" />
+				</c:forEach>
+			</c:if>
+		</c:forEach>
+	</c:when>
+</c:choose>
+
+<c:if test="${fn:length(hierarchyElementTitle)==0}">
+	<c:set var="hierarchyElementTitle" scope="request" value="~no title" />
+</c:if>
+
+<li class="item-detail-hierarchy-element">
+	<c:choose>
+		<c:when test="${hierarchyElement.id==item.id}">
+			<span class="item-detail-hierarchy-element-selected">${hierarchyElementTitle}</span> 
+		</c:when>
+		<c:otherwise>
+			<a href="/item/${type}/${hierarchyElement.id}/">${hierarchyElementTitle}</a>		
+		</c:otherwise>
+	</c:choose>
+	
+	<c:if test="${hierarchyElement.relatedElementsMap!=null && fn:length(hierarchyElement.relatedElementsMap)>0}">
+		<ul class="item-detail-hierarchy">
+			<c:forEach items="${hierarchyElement.relatedElementsMap}" var="e">
+				<c:if test="${e.key=='PARENT_OF'}">
+					<c:set var="placeholderElements" value="false" />
+					<c:forEach items="${e.value}" var="childElement">						
+						<c:choose>
+							<c:when test="${!childElement.placeholder}">
+				    			<c:set var="hierarchyElement" value="${childElement}" scope="request"/>
+				    			<jsp:include page="hierarchyElement.jsp" />
+				    		</c:when>
+							<c:otherwise>
+								<c:set var="placeholderElements" value="true" />
+							</c:otherwise>
+						</c:choose>	
+			    	</c:forEach>
+			    	
+			    	<c:if test="${placeholderElements}">
+			    		<li class="item-detail-hierarchy-placeholder">Unterelemente gesamt: ${fn:length(e.value)}</li>
+			    	</c:if>
+			    </c:if>
+			</c:forEach>
+		</ul>
+	</c:if>
+</li>
\ No newline at end of file

item/view.jsp

@@ -100,6 +100,18 @@
 	<div class="row">
 
 		<div class="col-12 col-md-7 col-lg-8 col-xl-9">
+			<c:if test="${rootParents!=null && fn:length(rootParents)>0}">
+				<h2>~Hierarchy</h2>
+				<c:forEach items="${rootParents}" var="hierarchyElement">
+					<ul class="item-detail-hierarchy">
+						<%@ include file="hierarchyElement.jsp" %>
+				</c:forEach>
+				<c:forEach items="${rootParents}" var="hierarchyElement">
+					</ul>
+				</c:forEach>
+			</c:if>
+		
+		
 			<h2><s:message code="~eu.dariah.de.minfba.search.view.item.additional_data" /></h2>
 			
 			<div class="row">