show the types when instance is specified in the config portlet part

src/main/java/org/gcube/portlets/user/cataloguebadge/PortletViewController.java

@@ -80,7 +80,7 @@ public class PortletViewController {
 			e1.printStackTrace();
 		}
 		model.addAttribute("isRootVO", isRootVO);
-		if (isRootVO) {
+		if (catalogueBaseURL != null && catalogueBaseURL.compareTo("") != 0) { //if the config textbox with catalogueURL is filled in we show the types
 			try {
 				List<CatalogueType> theTypes = parseTypes(catalogueBaseURL+"/type", catalogueURL);
 				Collections.sort(theTypes, Collections.reverseOrder());
@@ -100,7 +100,7 @@ public class PortletViewController {
 				String context = pContext.getCurrentScope(""+groupId);
 			
 				DataCatalogueImpl utils = null;
-				if (gm.isRootVO(groupId)) {
+				if (isRootVO) {
 					String gatewaySiteURL = pContext.getGatewayURL(httpServletRequest);
 					if (!gatewaySiteURL.startsWith("https"))
 						gatewaySiteURL = gatewaySiteURL.replaceAll("http:", "https:");

src/main/webapp/WEB-INF/jsp/Catalogue-badge-portlet/view.jsp

@@ -1,10 +1,23 @@
 <%@ page contentType="text/html" pageEncoding="UTF-8"%>
 
-<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
+<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
 
-<c:choose>
-	<c:when test="${isRootVO}">
+<%@ taglib uri="http://liferay.com/tld/aui" prefix="aui" %>
+<%@ taglib uri="http://liferay.com/tld/portlet" prefix="liferay-portlet" %>
+<%@ taglib uri="http://liferay.com/tld/theme" prefix="liferay-theme" %>
+
+<%@ page import="com.liferay.portal.kernel.util.Constants" %>
+<%@ page import="com.liferay.portal.kernel.util.GetterUtil" %>
+<%@ page import="com.liferay.portal.kernel.util.StringPool" %>
+<%@ page import="com.liferay.portal.util.PortalUtil" %>
 
+<% 
+String catalogueActualURL = GetterUtil.getString(portletPreferences.getValue("catalogueURL", StringPool.BLANK)); 
+pageContext.setAttribute("catalogueActualURL", catalogueActualURL);
+%>
+	<!-- show the types only when the ckan instance is specified in the config portlet part  -->
+<c:choose>
+	<c:when test="${not empty catalogueActualURL}">
 		<input type="hidden" value="${catalogueURL}" id="catalogueURL">
 		<table class="catalogue-container">
 			<tr class="catalogue-table-row">
@@ -20,8 +33,8 @@
 					</div>
 					<div>
 						<a href="${catalogueURL}?path=/dataset">See All Items</a> <a
-							href="${catalogueURL}?path=/tags" style="float: right;">See
-							All Tags</a>
+							href="${catalogueURL}?path=/types" style="float: right;">See
+							All Types</a>
 					</div>
 				</td>
 				<td class="catalogue-table-cell-max">