1329: Hide unavailable dataset views

Task-Url: https://pm.winseda.de/issues/1329

item/view.jsp

@@ -79,15 +79,17 @@
 				
 			<h2><s:message code="~eu.dariah.de.minfba.search.view.item.additional_data" /></h2>
 			
-			<div class="row">
-				<div class="col-12">
-					<button type="button" onclick="resultItem.loadIntegratedData(this);" class="btn btn-primary-var-2"><s:message code="~eu.dariah.de.minfba.search.view.item.integrated_dataset" /> <i class="fas fa-lg fa-chevron-circle-down"></i></button>
-					<button type="button" onclick="resultItem.downloadData('xml', '_integrations');" class="btn btn-link btn-download hide"></button>
-					<div id="item-detail-integrated-container" class="collapse">
-						<div id="item-detail-integrated" class="item-dataset-container"></div>
+			<c:if test="${item.integration!=null}">
+				<div class="row">
+					<div class="col-12">
+						<button type="button" onclick="resultItem.loadIntegratedData(this);" class="btn btn-primary-var-2"><s:message code="~eu.dariah.de.minfba.search.view.item.integrated_dataset" /> <i class="fas fa-lg fa-chevron-circle-down"></i></button>
+						<button type="button" onclick="resultItem.downloadData('xml', '_integrations');" class="btn btn-link btn-download hide"></button>
+						<div id="item-detail-integrated-container" class="collapse">
+							<div id="item-detail-integrated" class="item-dataset-container"></div>
+						</div>
 					</div>
 				</div>
-			</div>
+			</c:if>
 			
 			<div class="row mt-2">
 				<div class="col-12">