.classpath

@@ -1,12 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="src" output="target/geoportal-data-viewer-app-3.4.0-SNAPSHOT/WEB-INF/classes" path="src/main/java">
+	<classpathentry kind="src" output="target/geoportal-data-viewer-app-3.5.0-SNAPSHOT/WEB-INF/classes" path="src/main/java">
 		<attributes>
 			<attribute name="optional" value="true"/>
 			<attribute name="maven.pomderived" value="true"/>
 		</attributes>
 	</classpathentry>
-	<classpathentry excluding="**" kind="src" output="target/geoportal-data-viewer-app-3.4.0-SNAPSHOT/WEB-INF/classes" path="src/main/resources">
+	<classpathentry excluding="**" kind="src" output="target/geoportal-data-viewer-app-3.5.0-SNAPSHOT/WEB-INF/classes" path="src/main/resources">
 		<attributes>
 			<attribute name="maven.pomderived" value="true"/>
 		</attributes>
@@ -35,5 +35,5 @@
 			<attribute name="maven.pomderived" value="true"/>
 		</attributes>
 	</classpathentry>
-	<classpathentry kind="output" path="target/geoportal-data-viewer-app-3.4.0-SNAPSHOT/WEB-INF/classes"/>
+	<classpathentry kind="output" path="target/geoportal-data-viewer-app-3.5.0-SNAPSHOT/WEB-INF/classes"/>
 </classpath>

.settings/com.gwtplugins.gdt.eclipse.core.prefs

@@ -1,4 +1,4 @@
 eclipse.preferences.version=1
-lastWarOutDir=/home/francescomangiacrapa/git/geoportal-data-viewer-app/target/geoportal-data-viewer-app-3.4.0-SNAPSHOT
+lastWarOutDir=/home/francescomangiacrapa/git/geoportal-data-viewer-app/target/geoportal-data-viewer-app-3.5.0-SNAPSHOT
 warSrcDir=src/main/webapp
 warSrcDirIsOutput=false

.settings/org.eclipse.wst.common.component

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?><project-modules id="moduleCoreId" project-version="1.5.0">
-                                                                                                                                                                                                                                                                                                                            	
+                                                                                                                                                                                                                                                                                                                                                	
     
     
     
@@ -78,8 +78,18 @@
     
     
     
-    <wb-module deploy-name="geoportal-data-viewer-app-3.4.0-SNAPSHOT">
+    
-                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        		
+    
+    
+    
+    
+    <wb-module deploy-name="geoportal-data-viewer-app-3.5.0-SNAPSHOT">
+                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                		
+        
+        
+        
+        
+        
         
         
         
@@ -159,7 +169,12 @@
         
         
         <wb-resource deploy-path="/" source-path="/target/m2e-wtp/web-resources"/>
-                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        		
+                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                		
+        
+        
+        
+        
+        
         
         
         
@@ -239,7 +254,12 @@
         
         
         <wb-resource deploy-path="/" source-path="/src/main/webapp" tag="defaultRootSource"/>
-                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        		
+                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                		
+        
+        
+        
+        
+        
         
         
         
@@ -319,7 +339,12 @@
         
         
         <wb-resource deploy-path="/WEB-INF/classes" source-path="/target/generated-sources/gwt"/>
-                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        		
+                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                		
+        
+        
+        
+        
+        
         
         
         
@@ -399,7 +424,12 @@
         
         
         <wb-resource deploy-path="/WEB-INF/classes" source-path="/src/main/java"/>
-                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        		
+                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                		
+        
+        
+        
+        
+        
         
         
         
@@ -479,7 +509,15 @@
         
         
         <wb-resource deploy-path="/WEB-INF/classes" source-path="/src/main/resources"/>
-                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        		
+        <dependent-module archiveName="geoportal-data-mapper-1.0.0.jar" deploy-path="/WEB-INF/lib" handle="module:/resource/geoportal-data-mapper/geoportal-data-mapper">
+            <dependency-type>uses</dependency-type>
+        </dependent-module>
+                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                		
+        
+        
+        
+        
+        
         
         
         
@@ -559,7 +597,12 @@
         
         
         <property name="java-output-path" value="/geoportal-data-viewer-app/target/geoportal-data-viewer-app-0.0.1-SNAPSHOT/WEB-INF/classes"/>
-                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        		
+                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                		
+        
+        
+        
+        
+        
         
         
         
@@ -639,7 +682,12 @@
         
         
         <property name="context-root" value="geoportal-data-viewer-app"/>
-                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        	
+                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                	
+    
+    
+    
+    
+    
     
     
     
@@ -719,7 +767,12 @@
     
     
     </wb-module>
-                                                                                                                                                                                                                                                                                                                            
+                                                                                                                                                                                                                                                                                                                                                
+
+
+
+
+
 
 
 

CHANGELOG.md

@@ -4,6 +4,11 @@
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [v3.5.0-SNAPSHOT]
+
+- Supported the cross-filtering [#25074]
+- Supported the grouped custom layers [#25110]
+
 ## [v3.4.0] - 2023-05-11
 
 - Integrated the geoportal-data-mapper component [#24978]

pom.xml

@@ -14,13 +14,13 @@
 	<groupId>org.gcube.portlets.user</groupId>
 	<artifactId>geoportal-data-viewer-app</artifactId>
 	<packaging>war</packaging>
-	<version>3.4.0</version>
+	<version>3.5.0-SNAPSHOT</version>
 	<name>GeoPortal Data Viewer App</name>
 	<description>The GeoPortal Data Viewer App is an application to access, discovery and navigate the Geoportal projects/documents by a Web-Map Interface</description>
 
 	<properties>
 		<!-- Convenience property to set the GWT version -->
-		<gwt.version>2.9.0</gwt.version>
+		<gwt.version>2.10.0</gwt.version>
 		<gwt.compiler.style>PRETTY</gwt.compiler.style>
 		<gson.version>2.6.2</gson.version>
 		<webappDirectory>${project.build.directory}/${project.build.finalName}</webappDirectory>

src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/GeoportalDataViewer.java

@@ -5,13 +5,18 @@ import java.util.Collections;
 import java.util.HashMap;
 import java.util.LinkedHashMap;
 import java.util.List;
+import java.util.Map;
 import java.util.Set;
 
 import org.gcube.application.geoportalcommon.shared.GNADataViewerConfigProfile;
 import org.gcube.application.geoportalcommon.shared.GeoportalItemReferences;
+import org.gcube.application.geoportalcommon.shared.geoportal.config.GroupedLayersDV;
+import org.gcube.application.geoportalcommon.shared.geoportal.config.layers.LayerIDV;
+import org.gcube.application.geoportalcommon.shared.geoportal.materialization.GCubeSDILayer;
 import org.gcube.application.geoportalcommon.shared.geoportal.materialization.IndexLayerDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.project.ProjectDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.project.RelationshipDV;
+import org.gcube.application.geoportalcommon.shared.geoportal.ucd.GEOPORTAL_DATA_HANDLER;
 import org.gcube.application.geoportalcommon.shared.geoportal.view.ProjectView;
 import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerConstants.MAP_PROJECTION;
 import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerConstants.MapEventType;
@@ -20,6 +25,8 @@ import org.gcube.portlets.user.geoportaldataviewer.client.events.AddLayerToMapEv
 import org.gcube.portlets.user.geoportaldataviewer.client.events.AddedLayerToMapEvent;
 import org.gcube.portlets.user.geoportaldataviewer.client.events.AddedLayerToMapEvent.LAYER_TYPE;
 import org.gcube.portlets.user.geoportaldataviewer.client.events.AddedLayerToMapEventHandler;
+import org.gcube.portlets.user.geoportaldataviewer.client.events.ApplyCQLToLayerOnMapEvent;
+import org.gcube.portlets.user.geoportaldataviewer.client.events.ApplyCQLToLayerOnMapEventHandler;
 import org.gcube.portlets.user.geoportaldataviewer.client.events.ChangeMapLayerEvent;
 import org.gcube.portlets.user.geoportaldataviewer.client.events.ChangeMapLayerEventHandler;
 import org.gcube.portlets.user.geoportaldataviewer.client.events.ClosedViewDetailsEvent;
@@ -28,8 +35,12 @@ import org.gcube.portlets.user.geoportaldataviewer.client.events.DoActionOnDetai
 import org.gcube.portlets.user.geoportaldataviewer.client.events.DoActionOnDetailLayersEvent.DO_LAYER_ACTION;
 import org.gcube.portlets.user.geoportaldataviewer.client.events.DoActionOnDetailLayersEvent.SwapLayer;
 import org.gcube.portlets.user.geoportaldataviewer.client.events.DoActionOnDetailLayersEventHandler;
+import org.gcube.portlets.user.geoportaldataviewer.client.events.FitMapToExtentEvent;
+import org.gcube.portlets.user.geoportaldataviewer.client.events.FitMapToExtentEventHandler;
 import org.gcube.portlets.user.geoportaldataviewer.client.events.MapExtentToEvent;
 import org.gcube.portlets.user.geoportaldataviewer.client.events.MapExtentToEventHandler;
+import org.gcube.portlets.user.geoportaldataviewer.client.events.OverlayCustomLayerToMapEvent;
+import org.gcube.portlets.user.geoportaldataviewer.client.events.OverlayCustomLayerToMapEventHandler;
 import org.gcube.portlets.user.geoportaldataviewer.client.events.QueryDataEvent;
 import org.gcube.portlets.user.geoportaldataviewer.client.events.SearchPerformedEvent;
 import org.gcube.portlets.user.geoportaldataviewer.client.events.SearchPerformedEventHandler;
@@ -50,9 +61,11 @@ import org.gcube.portlets.user.geoportaldataviewer.client.events.collections.Ope
 import org.gcube.portlets.user.geoportaldataviewer.client.gis.ExtentWrapped;
 import org.gcube.portlets.user.geoportaldataviewer.client.gis.MapUtils;
 import org.gcube.portlets.user.geoportaldataviewer.client.gis.OpenLayerMap;
+import org.gcube.portlets.user.geoportaldataviewer.client.gis.OpenLayerMap.CQL_FACILITY_ORIGIN;
 import org.gcube.portlets.user.geoportaldataviewer.client.resources.GNAImages;
 import org.gcube.portlets.user.geoportaldataviewer.client.ui.GeonaDataViewMainPanel;
 import org.gcube.portlets.user.geoportaldataviewer.client.ui.cms.project.relation.TimelineManagerStatus;
+import org.gcube.portlets.user.geoportaldataviewer.client.ui.util.OLGeoJSONUtil;
 import org.gcube.portlets.user.geoportaldataviewer.client.util.ControlledCallBack;
 import org.gcube.portlets.user.geoportaldataviewer.client.util.LoaderIcon;
 import org.gcube.portlets.user.geoportaldataviewer.client.util.URLUtil;
@@ -85,12 +98,6 @@ import com.google.gwt.user.client.ui.Widget;
 
 import ol.Coordinate;
 import ol.Feature;
-import ol.OLFactory;
-import ol.format.GeoJson;
-import ol.format.GeoJsonFeatureOptions;
-import ol.format.GeoJsonOptions;
-import ol.proj.Projection;
-import ol.proj.ProjectionOptions;
 
 /**
  * Entry point classes define <code>onModuleLoad()</code>.
@@ -154,6 +161,8 @@ public class GeoportalDataViewer implements EntryPoint {
 	// A cache (Layer_ID, GeoJSON) of layer features loaded via GetFeature Request
 	private HashMap<String, String> layerFeaturesCache = new HashMap<String, String>();
 
+	private ViewerConfiguration viewerConfiguration;
+
 	/**
 	 * This is the entry point method.
 	 */
@@ -228,6 +237,7 @@ public class GeoportalDataViewer implements EntryPoint {
 							@Override
 							public void onSuccess(ViewerConfiguration result) {
 								super.onSuccess(result);
+								viewerConfiguration = result;
 
 								GWT.log("Received init config : " + result);
 								GWT.log("Loading base layers, count : " + result.getBaseLayers().size());
@@ -282,6 +292,8 @@ public class GeoportalDataViewer implements EntryPoint {
 
 								mainPanel.openCollectionMenu();
 
+								loadConfigureduGroupedLayersForUCD();
+
 								GWT.log("DONE INIT LOAD");
 
 							}
@@ -302,6 +314,77 @@ public class GeoportalDataViewer implements EntryPoint {
 		RootPanel.get(APP_DIV).add(attributionDiv);
 	}
 
+	/**
+	 * Load Overlay Layers and Cross-Filtering layers for UCD
+	 * 
+	 * Load configuredu grouped layers for UCD.
+	 */
+	public void loadConfigureduGroupedLayersForUCD() {
+
+		GeoportalDataViewerServiceAsync.Util.getInstance().getAvaiableCustomGroupedLayersForUCD(
+				GEOPORTAL_DATA_HANDLER.geoportal_grouped_overlay_layers,
+				new AsyncCallback<Map<String, List<GroupedLayersDV<? extends LayerIDV>>>>() {
+
+					@Override
+					public void onFailure(Throwable caught) {
+						GWT.log("loadConfigureduGroupedLayersForUCD error for "
+								+ GEOPORTAL_DATA_HANDLER.geoportal_grouped_overlay_layers + ": " + caught.getMessage());
+
+					}
+
+					@Override
+					public void onSuccess(Map<String, List<GroupedLayersDV<? extends LayerIDV>>> result) {
+						GWT.log(GEOPORTAL_DATA_HANDLER.geoportal_grouped_overlay_layers + " returned: " + result);
+						if (result != null && result.size() > 0) {
+
+							Map<String, GCubeCollection> collections = viewerConfiguration.getAvailableCollections();
+
+							for (String profileId : result.keySet()) {
+								List<GroupedLayersDV<? extends LayerIDV>> list = result.get(profileId);
+								if (list != null && list.size() > 0) {
+									GCubeCollection collection = collections.get(profileId);
+									mainPanel.addOverlayLayers(collection, list);
+
+								}
+							}
+
+						}
+					}
+				});
+
+		GeoportalDataViewerServiceAsync.Util.getInstance().getAvaiableCustomGroupedLayersForUCD(
+				GEOPORTAL_DATA_HANDLER.geoportal_grouped_cross_filtering,
+				new AsyncCallback<Map<String, List<GroupedLayersDV<? extends LayerIDV>>>>() {
+
+					@Override
+					public void onFailure(Throwable caught) {
+						GWT.log("loadConfigureduGroupedLayersForUCD error for "
+								+ GEOPORTAL_DATA_HANDLER.geoportal_grouped_cross_filtering + ": "
+								+ caught.getMessage());
+
+					}
+
+					@Override
+					public void onSuccess(Map<String, List<GroupedLayersDV<? extends LayerIDV>>> result) {
+						GWT.log(GEOPORTAL_DATA_HANDLER.geoportal_grouped_cross_filtering + " returned: " + result);
+						if (result != null && result.size() > 0) {
+
+							Map<String, GCubeCollection> collections = viewerConfiguration.getAvailableCollections();
+
+							for (String profileId : result.keySet()) {
+								List<GroupedLayersDV<? extends LayerIDV>> list = result.get(profileId);
+								if (list != null && list.size() > 0) {
+									GCubeCollection collection = collections.get(profileId);
+									mainPanel.addCrossFilteringLayers(collection, list);
+
+								}
+							}
+
+						}
+					}
+				});
+	}
+
 	/**
 	 * Gets the status.
 	 *
@@ -672,6 +755,24 @@ public class GeoportalDataViewer implements EntryPoint {
 			}
 		});
 
+		applicationBus.addHandler(OverlayCustomLayerToMapEvent.TYPE, new OverlayCustomLayerToMapEventHandler() {
+
+			@Override
+			public void onCustomOverlayLayerAction(OverlayCustomLayerToMapEvent customOverLayerToMapEvent) {
+
+				if (customOverLayerToMapEvent.getLayerItem() == null)
+					return;
+
+				if (customOverLayerToMapEvent.getActionType()
+						.equals(OverlayCustomLayerToMapEvent.ACTION_TYPE.VISIBILITY)) {
+					OpenLayerMap olMap = olMapMng.getOLMap();
+					olMap.setWMSGroupedCustomLayerVisible(customOverLayerToMapEvent.getLayerItem(),
+							customOverLayerToMapEvent.isEnabled());
+				}
+
+			}
+		});
+
 		applicationBus.addHandler(ChangeMapLayerEvent.TYPE, new ChangeMapLayerEventHandler() {
 
 			@Override
@@ -703,8 +804,8 @@ public class GeoportalDataViewer implements EntryPoint {
 
 				// Showing popup after clicking on map
 				if (showPopupOnCentroiEvent.getProfileID() != null && showPopupOnCentroiEvent.getProjectID() != null) {
-					Coordinate transfCoord = MapUtils
+					Coordinate transfCoord = MapUtils.geoJSONToBBOXCenter(showPopupOnCentroiEvent.getSpatialReference(),
-							.geoJSONTToBBoxCenter(showPopupOnCentroiEvent.getSpatialReference(), null, null);
+							null, null);
 
 					performWFSQueryOnCentroid(showPopupOnCentroiEvent.getProjectID(), transfCoord.getX(),
 							transfCoord.getY());
@@ -725,7 +826,7 @@ public class GeoportalDataViewer implements EntryPoint {
 				if (searchPerformedEvent != null) {
 
 					LinkedHashMap<String, ol.layer.Image> wmsMap = olMapMng.getOLMap().getWmsLayerMap();
-					String firstWMSKey = wmsMap.keySet().iterator().next();
+					// String firstWMSKey = wmsMap.keySet().iterator().next();
 					List<String> result = searchPerformedEvent.getListProjectIDs();
 					ViewerConfiguration viewerConfig = GeoportalDataViewer.getStatus().getViewerConfig();
 
@@ -750,30 +851,97 @@ public class GeoportalDataViewer implements EntryPoint {
 						// TODO: handle exception
 					}
 
-					String setCqlFilter = null; // default
+					String newCqlFilter = null; // default
 
-					if (result != null && result.size() > 0) {
+					if (layerName == null) {
+						GWT.log("CQL FILTER skipped, layerName is NULL!!");
+						return;
+					}
+
+					// Applying CQL filter only if there are results and its number are less or
+					// equal to SEARCH_LIMIT_RESULTS_TO_MAXIMUM
+					if (result != null && result.size() > 0
+							&& result.size() <= GeoportalDataViewerConstants.SEARCH_LIMIT_RESULTS_TO_MAXIMUM) {
 						String cqlFilter = GeoportalDataViewerConstants.PROJECT_ID_KEY_FEATURE + " IN(";
 						for (String projectId : result) {
 							cqlFilter += "'" + projectId + "',";
 						}
 						cqlFilter = cqlFilter.substring(0, cqlFilter.length() - 1) + ")";
-						setCqlFilter = cqlFilter;
+
-						olMapMng.getOLMap().setCQLFilterToWMSLayer(firstWMSKey, cqlFilter);
+						newCqlFilter = olMapMng.getOLMap().setCQLFilterToWMSLayer(CQL_FACILITY_ORIGIN.SEARCH, layerName,
+								cqlFilter);
 
 					} else {
-						olMapMng.getOLMap().setCQLFilterToWMSLayer(firstWMSKey, null);
+						newCqlFilter = olMapMng.getOLMap().setCQLFilterToWMSLayer(CQL_FACILITY_ORIGIN.SEARCH, layerName,
-						setCqlFilter = null; // is already null
+								null);
 					}
 
 					if (searchPerformedEvent.isSearchReset()) {
-						olMapMng.getOLMap().setCQLFilterToWMSLayer(firstWMSKey, null);
+						newCqlFilter = olMapMng.getOLMap().setCQLFilterToWMSLayer(CQL_FACILITY_ORIGIN.SEARCH, layerName,
-						setCqlFilter = null; // is already null
+								null);
 					}
 
-					if (layerName != null)
+					GWT.log("New CQL Filter is: " + newCqlFilter);
-						layerManager.setCQLForLayerToIndexLayer(layerName, setCqlFilter);
 
+					// Resetting CQL Filter
+					if (layerName != null)
+						layerManager.setCQLForLayerToIndexLayer(layerName, newCqlFilter);
+
+				}
+
+			}
+		});
+
+		applicationBus.addHandler(ApplyCQLToLayerOnMapEvent.TYPE, new ApplyCQLToLayerOnMapEventHandler() {
+
+			@Override
+			public void onApplyCQL(ApplyCQLToLayerOnMapEvent applyCQLToLayerMapEvent) {
+				GWT.log("Fired: " + applyCQLToLayerMapEvent);
+
+				if (applyCQLToLayerMapEvent != null) {
+
+					String layerName = null;
+
+					GCubeSDILayer layer = applyCQLToLayerMapEvent.getTheIndeLayer().getLayer();
+
+					try {
+						String wmsLink = layer.getOgcLinks().get("wms");
+						layerName = URLUtil.extractValueOfParameterFromURL("layers", wmsLink);
+					} catch (Exception e) {
+						// TODO: handle exception
+					}
+
+					String setCqlFilter = null;
+
+					if (layerName != null) {
+
+						GWT.log("ApplyCQLToLayerOnMapEvent: " + layerName + ", filter : "
+								+ applyCQLToLayerMapEvent.getCqlFilterValue());
+
+						if (applyCQLToLayerMapEvent.getCqlFilterValue() == null) {
+							olMapMng.getOLMap().setCQLFilterToWMSLayer(CQL_FACILITY_ORIGIN.CROSS_FILTERING, layerName,
+									null);
+							setCqlFilter = null; // is already null
+						} else {
+							setCqlFilter = applyCQLToLayerMapEvent.getCqlFilterValue();
+							olMapMng.getOLMap().setCQLFilterToWMSLayer(CQL_FACILITY_ORIGIN.CROSS_FILTERING, layerName,
+									setCqlFilter);
+						}
+
+						layerManager.setCQLForLayerToIndexLayer(layerName, setCqlFilter);
+					}
+				}
+
+			}
+		});
+
+		applicationBus.addHandler(FitMapToExtentEvent.TYPE, new FitMapToExtentEventHandler() {
+
+			@Override
+			public void onFitToMap(FitMapToExtentEvent fitMapToExtentEvent) {
+
+				if (fitMapToExtentEvent.getExtent() != null) {
+					olMapMng.getOLMap().fitToExtent(fitMapToExtentEvent.getExtent());
 				}
 
 			}
@@ -895,34 +1063,10 @@ public class GeoportalDataViewer implements EntryPoint {
 	 */
 	private void showLayerFeatures(LayerItem layerItem, String geoJSONFeatures, ProjectDV projectDV) {
 
-		GeoJsonFeatureOptions fo = new GeoJsonFeatureOptions();
+		Feature[] features = OLGeoJSONUtil.readGeoJsonFeatures(MAP_PROJECTION.EPSG_4326, geoJSONFeatures);
-		ProjectionOptions projectionOptions = new ProjectionOptions();
-		projectionOptions.setCode(MAP_PROJECTION.EPSG_4326.getName());
-		Projection fp = new Projection(projectionOptions);
-		fo.setFeatureProjection(fp);
-		fo.setDataProjection(fp);
-		GeoJsonOptions geoJsonOpt = new GeoJsonOptions();
-		geoJsonOpt.setDefaultDataProjection(fp);
-		geoJsonOpt.setFeatureProjection(fp);
-		GeoJson geoJson = OLFactory.createGeoJSON(geoJsonOpt);
-
-		Feature[] features = geoJson.readFeatures(geoJSONFeatures);
 
 		GWT.log("features: " + features);
 		olMapMng.getOLMap().addLayerFeaturesAsHighlight(layerItem, features, true);
-
-		/* Fit to extent calculating the features extent
-		if (projectDV != null) {
-			GeoJSON spatialReference = projectDV.getSpatialReference();
-
-			GWT.log("spatialReference is: " + spatialReference);
-			Coordinate transfCoord = MapUtils.geoJSONTToBBoxCenter(spatialReference, MAP_PROJECTION.EPSG_4326.getName(),
-					MAP_PROJECTION.EPSG_3857.getName());
-			GWT.log("transfCoord is: " + transfCoord);
-			if (transfCoord != null)
-				olMapMng.getOLMap().setCenter(transfCoord);
-		}
-		*/
 	}
 
 }

src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/GeoportalDataViewerConstants.java

@@ -25,7 +25,9 @@ public class GeoportalDataViewerConstants {
 	public static final String GET_MAX_ZOOM_LEVEL = OpenLayersMapParameters.OL_MAP_PARAM.maxzoomlevel.name();
 	public static final String GET_ZOOM = OpenLayersMapParameters.OL_MAP_PARAM.zoom.name();
 	public static final String GET_CENTER_MAP_TO_LONG_LAT = OpenLayersMapParameters.OL_MAP_PARAM.centermap.name();
-	
+
+	public static final int SEARCH_LIMIT_RESULTS_TO_MAXIMUM = 50;
+
 	public static final DateTimeFormat DATE_TIME_FORMAT = DateTimeFormat.getFormat("dd MMMM yyyy");
 
 	public static enum MapEventType {
@@ -152,7 +154,8 @@ public class GeoportalDataViewerConstants {
 					var tabCell = tr.insertCell(-1);
 					var theValue = jsonObj[j][col[i]];
 					//console.log("the value: "+theValue);
-					if (theValue !== null && Object.prototype.toString.call(theValue) === '[object Array]') {
+					if (theValue !== null
+							&& Object.prototype.toString.call(theValue) === '[object Array]') {
 						var formattedValueArray = "";
 						for (var k = 0; k < theValue.length; k++) {
 							var theValueArray = theValue[k];

src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/GeoportalDataViewerService.java

@@ -2,12 +2,16 @@ package org.gcube.portlets.user.geoportaldataviewer.client;
 
 import java.util.LinkedHashMap;
 import java.util.List;
+import java.util.Map;
 
 import org.gcube.application.geoportalcommon.shared.GNADataViewerConfigProfile;
 import org.gcube.application.geoportalcommon.shared.GeoportalItemReferences;
 import org.gcube.application.geoportalcommon.shared.SearchingFilter;
+import org.gcube.application.geoportalcommon.shared.geoportal.config.GroupedLayersDV;
+import org.gcube.application.geoportalcommon.shared.geoportal.config.layers.LayerIDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.geojson.GeoJSON;
 import org.gcube.application.geoportalcommon.shared.geoportal.materialization.GCubeSDIViewerLayerDV;
+import org.gcube.application.geoportalcommon.shared.geoportal.ucd.GEOPORTAL_DATA_HANDLER;
 import org.gcube.application.geoportalcommon.shared.geoportal.view.ProjectView;
 import org.gcube.application.geoportalcommon.shared.gis.BoundsMap;
 import org.gcube.portlets.user.geoportaldataviewer.shared.GeoNaSpatialQueryResult;
@@ -183,10 +187,10 @@ public interface GeoportalDataViewerService extends RemoteService {
 	/**
 	 * Gets the WFS request.
 	 *
-	 * @param layerItem the layer item
+	 * @param layerItem    the layer item
-	 * @param mapSrsName the map srs name
+	 * @param mapSrsName   the map srs name
-	 * @param mapBBOX the map BBOX
+	 * @param mapBBOX      the map BBOX
-	 * @param maxFeatures the max features. If 0 means all feature
+	 * @param maxFeatures  the max features. If 0 means all feature
 	 * @param outputFormat the output format
 	 * @return the WFS request
 	 */
@@ -206,4 +210,21 @@ public interface GeoportalDataViewerService extends RemoteService {
 	String getWFSResponse(LayerItem layerItem, String mapSrsName, BoundsMap mapBBOX, int maxFeatures,
 			String outputFormat);
 
+	/**
+	 * Gets the avaiable custom grouped layers for UCD.
+	 *
+	 * @param theHandler the the handler
+	 * @return the avaiable custom grouped layers for UCD
+	 */
+	Map<String, List<GroupedLayersDV<? extends LayerIDV>>> getAvaiableCustomGroupedLayersForUCD(
+			GEOPORTAL_DATA_HANDLER theHandler);
+
+	/**
+	 * Gets the HTTP response for URL.
+	 *
+	 * @param url the url
+	 * @return the HTTP response for URL
+	 */
+	String getHTTPResponseForURL(String url);
+
 }

src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/GeoportalDataViewerServiceAsync.java

@@ -2,12 +2,16 @@ package org.gcube.portlets.user.geoportaldataviewer.client;
 
 import java.util.LinkedHashMap;
 import java.util.List;
+import java.util.Map;
 
 import org.gcube.application.geoportalcommon.shared.GNADataViewerConfigProfile;
 import org.gcube.application.geoportalcommon.shared.GeoportalItemReferences;
 import org.gcube.application.geoportalcommon.shared.SearchingFilter;
+import org.gcube.application.geoportalcommon.shared.geoportal.config.GroupedLayersDV;
+import org.gcube.application.geoportalcommon.shared.geoportal.config.layers.LayerIDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.geojson.GeoJSON;
 import org.gcube.application.geoportalcommon.shared.geoportal.materialization.GCubeSDIViewerLayerDV;
+import org.gcube.application.geoportalcommon.shared.geoportal.ucd.GEOPORTAL_DATA_HANDLER;
 import org.gcube.application.geoportalcommon.shared.geoportal.view.ProjectView;
 import org.gcube.application.geoportalcommon.shared.gis.BoundsMap;
 import org.gcube.portlets.user.geoportaldataviewer.shared.GeoNaSpatialQueryResult;
@@ -82,4 +86,9 @@ public interface GeoportalDataViewerServiceAsync {
 	void getWFSResponse(LayerItem layerItem, String mapSrsName, BoundsMap mapBBOX, int maxFeatures, String outputFormat,
 			AsyncCallback<String> callback);
 
+	void getAvaiableCustomGroupedLayersForUCD(GEOPORTAL_DATA_HANDLER theHandler,
+			AsyncCallback<Map<String, List<GroupedLayersDV<? extends LayerIDV>>>> callback);
+
+	void getHTTPResponseForURL(String url, AsyncCallback<String> callback);
+
 }

src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/LayerManager.java

@@ -582,9 +582,7 @@ public class LayerManager {
 	public void setCQLForLayerToIndexLayer(String layerName, String cqlFilter) {
 		LayerObject theLo = mapIndexLayerObjects.get(layerName);
 		if (theLo != null) {
-			boolean isCQLFilter = cqlFilter != null;
 			theLo.getLayerItem().setCqlFilter(cqlFilter);
-			theLo.getLayerItem().setCqlFilterAvailable(isCQLFilter);
 
 		}
 	}

src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/events/ApplyCQLToLayerOnMapEvent.java

@@ -0,0 +1,72 @@
+package org.gcube.portlets.user.geoportaldataviewer.client.events;
+
+import org.gcube.application.geoportalcommon.shared.geoportal.materialization.IndexLayerDV;
+
+import com.google.gwt.event.shared.GwtEvent;
+
+/**
+ * The Class AddedLayerToMapEvent.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR (francesco.mangiacrapa@isti.cnr.it)
+ * 
+ *         Nov 18, 2020
+ */
+public class ApplyCQLToLayerOnMapEvent extends GwtEvent<ApplyCQLToLayerOnMapEventHandler> {
+	public static Type<ApplyCQLToLayerOnMapEventHandler> TYPE = new Type<ApplyCQLToLayerOnMapEventHandler>();
+	private IndexLayerDV theIndeLayer;
+	private String cqlFilterValue;
+
+	/**
+	 * Instantiates a new apply CQL to layer map event.
+	 *
+	 * @param theIndeLayer the the inde layer
+	 * @param cqlFilter    the cql filter
+	 */
+	public ApplyCQLToLayerOnMapEvent(IndexLayerDV theIndeLayer, String cqlFilterValue) {
+		this.theIndeLayer = theIndeLayer;
+		this.cqlFilterValue = cqlFilterValue;
+	}
+
+	/**
+	 * Gets the associated type.
+	 *
+	 * @return the associated type
+	 */
+	@Override
+	public Type<ApplyCQLToLayerOnMapEventHandler> getAssociatedType() {
+		return TYPE;
+	}
+
+	/**
+	 * Dispatch.
+	 *
+	 * @param handler the handler
+	 */
+	@Override
+	protected void dispatch(ApplyCQLToLayerOnMapEventHandler handler) {
+		handler.onApplyCQL(this);
+
+	}
+
+	public IndexLayerDV getTheIndeLayer() {
+		return theIndeLayer;
+	}
+
+	public String getCqlFilterValue() {
+		return cqlFilterValue;
+	}
+
+	@Override
+	public String toString() {
+		StringBuilder builder = new StringBuilder();
+		builder.append("ApplyCQLToLayerOnMapEvent [theIndeLayer=");
+		builder.append(theIndeLayer);
+		builder.append(", cqlFilterValue=");
+		builder.append(cqlFilterValue);
+		builder.append("]");
+		return builder.toString();
+	}
+	
+	
+
+}

src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/events/ApplyCQLToLayerOnMapEventHandler.java

@@ -0,0 +1,20 @@
+package org.gcube.portlets.user.geoportaldataviewer.client.events;
+
+import com.google.gwt.event.shared.EventHandler;
+
+/**
+ * The Interface ApplyCQLToLayerOnMapEventHandler.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         May 31, 2023
+ */
+public interface ApplyCQLToLayerOnMapEventHandler extends EventHandler {
+
+	/**
+	 * On apply CQL.
+	 *
+	 * @param applyCQLToLayerMapEvent the apply CQL to layer map event
+	 */
+	void onApplyCQL(ApplyCQLToLayerOnMapEvent applyCQLToLayerMapEvent);
+}

src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/events/FitMapToExtentEvent.java

@@ -0,0 +1,52 @@
+package org.gcube.portlets.user.geoportaldataviewer.client.events;
+
+import com.google.gwt.event.shared.GwtEvent;
+
+import ol.Extent;
+
+/**
+ * The Class FitMapToExtentEvent.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Jun 6, 2023
+ */
+public class FitMapToExtentEvent extends GwtEvent<FitMapToExtentEventHandler> {
+	public static Type<FitMapToExtentEventHandler> TYPE = new Type<FitMapToExtentEventHandler>();
+	private Extent extent;
+
+	/**
+	 * Instantiates a new fit map to extent event.
+	 *
+	 * @param extent the extent
+	 */
+	public FitMapToExtentEvent(Extent extent) {
+		this.extent = extent;
+	}
+
+	/**
+	 * Gets the associated type.
+	 *
+	 * @return the associated type
+	 */
+	@Override
+	public Type<FitMapToExtentEventHandler> getAssociatedType() {
+		return TYPE;
+	}
+
+	/**
+	 * Dispatch.
+	 *
+	 * @param handler the handler
+	 */
+	@Override
+	protected void dispatch(FitMapToExtentEventHandler handler) {
+		handler.onFitToMap(this);
+
+	}
+	
+	public Extent getExtent() {
+		return extent;
+	}
+
+}

src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/events/FitMapToExtentEventHandler.java

@@ -0,0 +1,20 @@
+package org.gcube.portlets.user.geoportaldataviewer.client.events;
+
+import com.google.gwt.event.shared.EventHandler;
+
+/**
+ * The Interface FitMapToExtentEventHandler.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Jun 6, 2023
+ */
+public interface FitMapToExtentEventHandler extends EventHandler {
+
+	/**
+	 * On fit to map.
+	 *
+	 * @param fitMapToExtentEvent the fit map to extent event
+	 */
+	void onFitToMap(FitMapToExtentEvent fitMapToExtentEvent);
+}

src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/events/OverlayCustomLayerToMapEvent.java

@@ -0,0 +1,92 @@
+package org.gcube.portlets.user.geoportaldataviewer.client.events;
+
+import org.gcube.portlets.user.geoportaldataviewer.shared.gis.LayerItem;
+
+import com.google.gwt.event.shared.GwtEvent;
+
+/**
+ * The Class OverlayCustomLayerToMapEvent.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         May 15, 2023
+ */
+public class OverlayCustomLayerToMapEvent extends GwtEvent<OverlayCustomLayerToMapEventHandler> {
+	public static Type<OverlayCustomLayerToMapEventHandler> TYPE = new Type<OverlayCustomLayerToMapEventHandler>();
+	private LayerItem layerItem;
+	private ACTION_TYPE actionType;
+	private boolean enabled;
+
+	/**
+	 * The Enum ACTION_TYPE.
+	 *
+	 * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+	 * 
+	 *         May 15, 2023
+	 */
+	public enum ACTION_TYPE {
+		VISIBILITY
+	}
+
+	/**
+	 * Instantiates a new overlay custom layer to map event.
+	 *
+	 * @param layerItem  the layer item
+	 * @param actionType the action type
+	 * @param enabled    the enabled
+	 */
+	public OverlayCustomLayerToMapEvent(LayerItem layerItem, ACTION_TYPE actionType, boolean enabled) {
+		this.layerItem = layerItem;
+		this.actionType = actionType;
+		this.enabled = enabled;
+	}
+
+	/**
+	 * Gets the associated type.
+	 *
+	 * @return the associated type
+	 */
+	@Override
+	public Type<OverlayCustomLayerToMapEventHandler> getAssociatedType() {
+		return TYPE;
+	}
+
+	/**
+	 * Dispatch.
+	 *
+	 * @param handler the handler
+	 */
+	@Override
+	protected void dispatch(OverlayCustomLayerToMapEventHandler handler) {
+		handler.onCustomOverlayLayerAction(this);
+
+	}
+
+	/**
+	 * Gets the layer item.
+	 *
+	 * @return the layer item
+	 */
+	public LayerItem getLayerItem() {
+		return layerItem;
+	}
+
+	/**
+	 * Gets the action type.
+	 *
+	 * @return the action type
+	 */
+	public ACTION_TYPE getActionType() {
+		return actionType;
+	}
+
+	/**
+	 * Checks if is enabled.
+	 *
+	 * @return true, if is enabled
+	 */
+	public boolean isEnabled() {
+		return enabled;
+	}
+
+}

src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/events/OverlayCustomLayerToMapEventHandler.java

@@ -0,0 +1,20 @@
+package org.gcube.portlets.user.geoportaldataviewer.client.events;
+
+import com.google.gwt.event.shared.EventHandler;
+
+/**
+ * The Interface OverlayCustomLayerToMapEventHandler.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ * May 15, 2023
+ */
+public interface OverlayCustomLayerToMapEventHandler extends EventHandler {
+
+	/**
+	 * On custom overlay layer action.
+	 *
+	 * @param customOverLayerToMapEvent the custom over layer to map event
+	 */
+	void onCustomOverlayLayerAction(OverlayCustomLayerToMapEvent customOverLayerToMapEvent);
+}

src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/gis/LayerOrder.java

@@ -19,17 +19,18 @@ public class LayerOrder {
 	 *         Nov 12, 2021
 	 */
 	public static enum LAYER_TYPE {
-		BASE_MAP, BASE_WMS, WMS_DETAIL, VECTOR
+		BASE_MAP, CUSTOM_WMS_DETAIL, BASE_WMS, WMS_DETAIL, VECTOR
 	}
 
 	public static final HashMap<LAYER_TYPE, Integer> LAYER_OFFSET = new HashMap<LAYER_TYPE, Integer>(5);
 
 	static {
 
-		LAYER_OFFSET.put(LAYER_TYPE.BASE_MAP, 0);
+		LAYER_OFFSET.put(LAYER_TYPE.BASE_MAP, 0); //Base OL or MapBox
-		LAYER_OFFSET.put(LAYER_TYPE.BASE_WMS, 70);
+		LAYER_OFFSET.put(LAYER_TYPE.CUSTOM_WMS_DETAIL, 70); //WMS custom Overlay. Es. Layer "Limiti Amministrativi"
-		LAYER_OFFSET.put(LAYER_TYPE.WMS_DETAIL, 140);
+		LAYER_OFFSET.put(LAYER_TYPE.BASE_WMS, 210); // Index layers (i.e. centroids for UCD)
-		LAYER_OFFSET.put(LAYER_TYPE.VECTOR, 210);
+		LAYER_OFFSET.put(LAYER_TYPE.WMS_DETAIL, 140); //Layer/s belonging to a Project (materialized layers. Ex. "Posizionamento Scavo")
+		LAYER_OFFSET.put(LAYER_TYPE.VECTOR, 320); //Vector layer to show other info. Ex. Pointer with coordinates (x,y) in the Light OL Map.
 	}
 
 	/**

src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/gis/MapUtils.java

@@ -6,6 +6,7 @@ import com.google.gwt.core.client.GWT;
 
 import ol.Collection;
 import ol.Coordinate;
+import ol.Extent;
 import ol.control.Attribution;
 import ol.control.Control;
 import ol.control.FullScreen;
@@ -55,6 +56,18 @@ public final class MapUtils {
 		return Projection.transform(centerCoordinate, source, target);
 	}
 
+	/**
+	 * Transform extent.
+	 *
+	 * @param extent the extent
+	 * @param source the source
+	 * @param target the target
+	 * @return the extent
+	 */
+	public static Extent transformExtent(Extent extent, String source, String target) {
+		return Projection.transformExtent(extent, source, target);
+	}
+
 	/**
 	 * Distance between centroid.
 	 *
@@ -95,14 +108,14 @@ public final class MapUtils {
 	}
 
 	/**
-	 * Geo JSONT to B box center.
+	 * Geo JSON to B box center.
 	 *
 	 * @param spatialReference the spatial reference
 	 * @param transforFrom     the transfor from
 	 * @param transformTo      the transform to
 	 * @return the coordinate
 	 */
-	public static Coordinate geoJSONTToBBoxCenter(GeoJSON spatialReference, String transforFrom, String transformTo) {
+	public static Coordinate geoJSONToBBOXCenter(GeoJSON spatialReference, String transforFrom, String transformTo) {
 
 		try {
 			if (spatialReference != null) {

src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/gis/OpenLayerMap.java

@@ -1,6 +1,7 @@
 package org.gcube.portlets.user.geoportaldataviewer.client.gis;
 
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.LinkedHashMap;
 
 import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerConstants;
@@ -8,6 +9,7 @@ import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerCon
 import org.gcube.portlets.user.geoportaldataviewer.client.events.AddedLayerToMapEvent;
 import org.gcube.portlets.user.geoportaldataviewer.client.events.AddedLayerToMapEvent.LAYER_TYPE;
 import org.gcube.portlets.user.geoportaldataviewer.client.events.DoActionOnDetailLayersEvent.SwapLayer;
+import org.gcube.portlets.user.geoportaldataviewer.client.util.WFSMakerUtil;
 import org.gcube.portlets.user.geoportaldataviewer.shared.gis.BaseMapLayer;
 import org.gcube.portlets.user.geoportaldataviewer.shared.gis.LayerItem;
 
@@ -35,6 +37,7 @@ import ol.Overlay;
 import ol.OverlayOptions;
 import ol.Size;
 import ol.View;
+import ol.ViewFitOptions;
 import ol.ViewOptions;
 import ol.animation.AnimationOptions;
 import ol.color.Color;
@@ -78,6 +81,8 @@ import ol.style.Style;
  */
 public abstract class OpenLayerMap {
 
+	public static final String CQL_FILTER_PARAMETER = WFSMakerUtil.CQL_FILTER_PARAMETER;
+
 	private static final int MAX_LENGHT_CQL_FOR_GET_REQUEST = 1600; // 1600 characters
 
 	public static final int SET_CENTER_ANIMATED_DURATION = 500;
@@ -86,6 +91,19 @@ public abstract class OpenLayerMap {
 
 	public static final int MAX_ZOOM = 21;
 
+	/**
+	 * The Enum CQL_FACILITY_ORIGIN.
+	 *
+	 * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+	 * 
+	 *         Jun 6, 2023
+	 */
+	public static enum CQL_FACILITY_ORIGIN {
+		SEARCH, CROSS_FILTERING
+	}
+
+	public HashMap<CQL_FACILITY_ORIGIN, String> cqlFilterMap = new HashMap<CQL_FACILITY_ORIGIN, String>();
+
 	/**
 	 * Click listener.
 	 *
@@ -149,6 +167,8 @@ public abstract class OpenLayerMap {
 
 	private LinkedHashMap<String, Image> wmsDetailsLayerMap;
 
+	private LinkedHashMap<String, Image> wmsGroupedCustomLayerMap;
+
 	private LinkedHashMap<String, Image> wmsLayerMap;
 
 	private LinkedHashMap<String, ol.layer.Vector> vectorLayersHighlighted = new LinkedHashMap<String, ol.layer.Vector>();
@@ -417,8 +437,6 @@ public abstract class OpenLayerMap {
 		if (layer == null) {
 			ImageWmsParams imageWMSParams = OLFactory.createOptions();
 			imageWMSParams.setLayers(layerItem.getName());
-			// imageWMSParams.set("CQL_FILTER", "product_id
-			// IN('6165b07202ad3d60e1d26f42','6166ff8002ad3d60e1d26fb7')");
 
 			ImageWmsOptions imageWMSOptions = OLFactory.createOptions();
 			imageWMSOptions.setUrl(layerItem.getMapServerHost());
@@ -458,33 +476,51 @@ public abstract class OpenLayerMap {
 	/**
 	 * Sets the CQL filter to WMS layer.
 	 *
-	 * @param key                 the key
+	 * @param origin                 the origin
-	 * @param cqlFilterExpression the cql filter expression
+	 * @param layerName              the key
+	 * @param newCQLFilterExpression the cql filter expression
+	 * @return the new CQL Filter
 	 */
-	public void setCQLFilterToWMSLayer(String key, String cqlFilterExpression) {
+	public String setCQLFilterToWMSLayer(CQL_FACILITY_ORIGIN origin, String layerName, String newCQLFilterExpression) {
-
+		GWT.log("Getting key (layerName): " + layerName);
-		GWT.log("Getting key: " + key);
+		GWT.log("Adding CQL FILTER: " + newCQLFilterExpression);
-
-		GWT.log("Setting CQL FILTER: " + cqlFilterExpression);
-		Image wmsLayer = wmsLayerMap.get(key);
 
+		Image wmsLayer = wmsLayerMap.get(layerName);
 		GWT.log("WMS layer is: " + wmsLayer);
 
-		// map.removeLayer(wmsLayer);
-
 		ImageWms imageWMSSource = wmsLayer.getSource();
 		ImageWmsParams imageWMSParams = imageWMSSource.getParams();
 
-		if (cqlFilterExpression == null || cqlFilterExpression.length() > MAX_LENGHT_CQL_FOR_GET_REQUEST) {
+		// Setting new CQL filter for Origin
-			imageWMSParams.delete("CQL_FILTER");
+		cqlFilterMap.put(origin, newCQLFilterExpression);
-		} else {
+
-			imageWMSParams.set("CQL_FILTER", cqlFilterExpression);
+		String setCQLFilter = "";
+
+		// Building new CQL filter
+		for (CQL_FACILITY_ORIGIN originKey : cqlFilterMap.keySet()) {
+
+			String originCQLFilter = cqlFilterMap.get(originKey);
+			if (originCQLFilter != null) {
+				if (setCQLFilter.isEmpty()) {
+					setCQLFilter = originCQLFilter;
+				} else {
+					setCQLFilter += " AND " + originCQLFilter;
+				}
+			}
 		}
 
+		if (setCQLFilter.isEmpty())
+			imageWMSParams.delete(CQL_FILTER_PARAMETER);
+		else
+			imageWMSParams.set(CQL_FILTER_PARAMETER, setCQLFilter);
+
 		imageWMSSource.updateParams(imageWMSParams);
 		wmsLayer.setSource(imageWMSSource);
 
 		wmsLayer.changed();
+
+		GWT.log("returning " + CQL_FILTER_PARAMETER + ": " + setCQLFilter);
+		return setCQLFilter;
 	}
 
 	/**
@@ -537,6 +573,57 @@ public abstract class OpenLayerMap {
 
 	}
 
+	/**
+	 * Adds the custom WMS detail layer.
+	 *
+	 * @param layerItem the layer item
+	 */
+	public void addGroupedCustomWMSLayer(LayerItem layerItem) {
+
+		if (wmsGroupedCustomLayerMap == null)
+			wmsGroupedCustomLayerMap = new LinkedHashMap<String, Image>();
+
+		String key = layerItem.getName();
+
+		Image layer = wmsGroupedCustomLayerMap.get(key);
+
+		if (layer == null) {
+			GWT.log("The grouped custom layer with key: " + key + " does not exist, creating and adding it to map");
+			ImageWmsParams imageWMSParams = OLFactory.createOptions();
+			imageWMSParams.setLayers(layerItem.getName());
+
+			ImageWmsOptions imageWMSOptions = OLFactory.createOptions();
+			imageWMSOptions.setUrl(layerItem.getMapServerHost());
+			imageWMSOptions.setParams(imageWMSParams);
+			// imageWMSOptions.setRatio(1.5f);
+
+			ImageWms imageWMSSource = new ImageWms(imageWMSOptions);
+			LayerOptions layerOptions = OLFactory.createOptions();
+			layerOptions.setSource(imageWMSSource);
+
+			// Settings MIN and MAX Resolution
+			if (layerItem.getMinResolution() != null) {
+				layerOptions.setMinResolution(layerItem.getMinResolution());
+			}
+			if (layerItem.getMaxResolution() != null) {
+				layerOptions.setMaxResolution(layerItem.getMaxResolution());
+			}
+
+			Image wmsLayer = new Image(layerOptions);
+			int zIndex = layerOrder.getOffset(LayerOrder.LAYER_TYPE.CUSTOM_WMS_DETAIL) + wmsGroupedCustomLayerMap.size()
+					+ 1;
+			wmsLayer.setZIndex(zIndex);
+			map.addLayer(wmsLayer);
+			wmsGroupedCustomLayerMap.put(key, wmsLayer);
+
+			GWT.log("Added GroupedCustomWMSLayer for layer name: " + layerItem.getName());
+			eventBus.fireEvent(new AddedLayerToMapEvent(layerItem, LAYER_TYPE.OVERLAY));
+		} else {
+			GWT.log("The WMS detail layer with key: " + key + " already exists, skipping");
+		}
+
+	}
+
 	/**
 	 * Removes the all detail layers.
 	 *
@@ -633,8 +720,8 @@ public abstract class OpenLayerMap {
 	/**
 	 * Adds the vector.
 	 *
-	 * @param layerItem the layer item
+	 * @param layerItem              the layer item
-	 * @param features  the features
+	 * @param features               the features
 	 * @param fitMapToFeaturesExtent the fit map to features extent
 	 */
 	public void addLayerFeaturesAsHighlight(LayerItem layerItem, Feature[] features, boolean fitMapToFeaturesExtent) {
@@ -656,7 +743,7 @@ public abstract class OpenLayerMap {
 			@Override
 			public void onEvent(ol.events.Event event) {
 				ol.Extent theExtent = vectorSource.getExtent();
-				//GWT.log(theExtent.toString());
+				// GWT.log(theExtent.toString());
 				map.getView().fit(theExtent);
 
 			}
@@ -1050,7 +1137,21 @@ public abstract class OpenLayerMap {
 	public void setWMSDetailLayerOpacity(LayerItem layerItem, double opacity) {
 		String key = layerItem.getName();
 		Image layer = wmsDetailsLayerMap.get(key);
-		layer.setOpacity(opacity);
+		if (layer != null)
+			layer.setOpacity(opacity);
+	}
+
+	/**
+	 * Sets the WMS detail layer visible.
+	 *
+	 * @param layerItem the layer item
+	 * @param visible   the visible
+	 */
+	public void setWMSGroupedCustomLayerVisible(LayerItem layerItem, boolean visible) {
+		String key = layerItem.getName();
+		Image layer = wmsGroupedCustomLayerMap.get(key);
+		if (layer != null)
+			layer.setVisible(visible);
 	}
 
 	/**
@@ -1090,4 +1191,17 @@ public abstract class OpenLayerMap {
 		return map.get((map.keySet().toArray())[index]);
 	}
 
+	/**
+	 * Fit to extent.
+	 *
+	 * @param extent the extent
+	 */
+	public void fitToExtent(ol.Extent extent) {
+		ViewFitOptions opt = new ViewFitOptions();
+		opt.setMaxZoom(16);
+		opt.setDuration(SET_CENTER_ANIMATED_DURATION*5);
+		map.getView().fit(extent, opt);
+
+	}
+
 }

src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/ui/GeonaDataViewMainPanel.java

@@ -8,7 +8,10 @@ import java.util.List;
 import org.gcube.application.geoportalcommon.shared.GeoportalItemReferences;
 import org.gcube.application.geoportalcommon.shared.SearchingFilter;
 import org.gcube.application.geoportalcommon.shared.SearchingFilter.ORDER;
+import org.gcube.application.geoportalcommon.shared.geoportal.config.GroupedLayersDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.config.ItemFieldDV;
+import org.gcube.application.geoportalcommon.shared.geoportal.config.layers.ConfiguredLayerDV;
+import org.gcube.application.geoportalcommon.shared.geoportal.config.layers.LayerIDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.ucd.UseCaseDescriptorDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.view.ProjectView;
 import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerConstants;
@@ -20,12 +23,16 @@ import org.gcube.portlets.user.geoportaldataviewer.client.gis.OpenLayerMap;
 import org.gcube.portlets.user.geoportaldataviewer.client.resources.GNAIcons;
 import org.gcube.portlets.user.geoportaldataviewer.client.resources.GNAImages;
 import org.gcube.portlets.user.geoportaldataviewer.client.ui.cms.search.SearchFacilityUI;
+import org.gcube.portlets.user.geoportaldataviewer.client.ui.crossfiltering.CrossFilteringLayerPanel;
+import org.gcube.portlets.user.geoportaldataviewer.client.ui.customoverlays.OverlayCustomLayerPanel;
 import org.gcube.portlets.user.geoportaldataviewer.client.ui.layercollection.LayerCollectionPanel;
 import org.gcube.portlets.user.geoportaldataviewer.client.ui.map.ExtentMapUtil;
 import org.gcube.portlets.user.geoportaldataviewer.client.ui.map.ExtentMapUtil.Location;
+import org.gcube.portlets.user.geoportaldataviewer.client.util.URLUtil;
 import org.gcube.portlets.user.geoportaldataviewer.shared.GCubeCollection;
 import org.gcube.portlets.user.geoportaldataviewer.shared.ItemFieldsResponse;
 import org.gcube.portlets.user.geoportaldataviewer.shared.gis.BaseMapLayer;
+import org.gcube.portlets.user.geoportaldataviewer.shared.gis.LayerItem;
 
 import com.github.gwtbootstrap.client.ui.Button;
 import com.github.gwtbootstrap.client.ui.CheckBox;
@@ -34,6 +41,7 @@ import com.github.gwtbootstrap.client.ui.ListBox;
 import com.github.gwtbootstrap.client.ui.NavLink;
 import com.github.gwtbootstrap.client.ui.Paragraph;
 import com.github.gwtbootstrap.client.ui.constants.IconType;
+import com.github.gwtbootstrap.client.ui.constants.LabelType;
 import com.google.gwt.core.client.GWT;
 import com.google.gwt.core.client.Scheduler;
 import com.google.gwt.core.client.Scheduler.ScheduledCommand;
@@ -50,9 +58,11 @@ import com.google.gwt.uibinder.client.UiBinder;
 import com.google.gwt.uibinder.client.UiField;
 import com.google.gwt.user.client.ui.Composite;
 import com.google.gwt.user.client.ui.FlowPanel;
+import com.google.gwt.user.client.ui.HTML;
 import com.google.gwt.user.client.ui.HTMLPanel;
 import com.google.gwt.user.client.ui.Image;
 import com.google.gwt.user.client.ui.Label;
+import com.google.gwt.user.client.ui.LayoutPanel;
 import com.google.gwt.user.client.ui.RadioButton;
 import com.google.gwt.user.client.ui.ScrollPanel;
 import com.google.gwt.user.client.ui.SimplePanel;
@@ -111,6 +121,18 @@ public class GeonaDataViewMainPanel extends Composite {
 	@UiField
 	DropdownButton openCollectionDropDown;
 
+	@UiField
+	DropdownButton linkCustomOverlayLayers;
+
+	@UiField
+	DropdownButton linkCrossFilteringLayers;
+
+	@UiField
+	HTMLPanel panelCustomOverlayLayers;
+
+	@UiField
+	HTMLPanel panelCrossFilteringLayers;
+
 	@UiField
 	HTMLPanel openCollectionPanel;
 
@@ -173,7 +195,7 @@ public class GeonaDataViewMainPanel extends Composite {
 		extentToEarth.getElement().appendChild(worldImg.getElement());
 		extentToEarth.setWidth("140px");
 
-		linkMap.setCustomIconStyle(GNAIcons.CustomIconType.MAP.get());
+		// linkMap.setCustomIconStyle(GNAIcons.CustomIconType.MAP.get());
 		linkPresetLocation.setCustomIconStyle(GNAIcons.CustomIconType.PRESET_LOCATION.get());
 		linkLayers.setCustomIconStyle(GNAIcons.CustomIconType.LAYERS.get());
 
@@ -185,16 +207,8 @@ public class GeonaDataViewMainPanel extends Composite {
 		initialSortFilter.setOrder(ORDER.ASC);
 
 		navListSearch.addItem(PLACEHOLDER_SELECT_SEARCH_IN, PLACEHOLDER_SELECT_SEARCH_IN);
-		
+
 		navListSearch.getElement().getFirstChildElement().setAttribute("disabled", "disabled");
-		
-//		List<UseCaseDescriptorDV> listUCDs = new ArrayList<UseCaseDescriptorDV>();
-//		
-//		for (ItemFieldsResponse itemFieldsResponse : itemFieldsReponse) {
-//			listUCDs.add(itemFieldsResponse.getUseCaseDescriptorDV());
-//		}
-//		
-//		Collections.sort(listUCDs);
 
 		for (final ItemFieldsResponse itemFieldResp : itemFieldsReponse) {
 
@@ -216,9 +230,9 @@ public class GeonaDataViewMainPanel extends Composite {
 
 				String ucdProfileID = navListSearch.getValue(navListSearch.getSelectedIndex());
 				GWT.log("UCD ProfileID selected: " + ucdProfileID);
-				
+
 				if (ucdProfileID.compareTo(PLACEHOLDER_SELECT_SEARCH_IN) != 0) {
-					
+
 					searchFacilityPanel.clear();
 					ItemFieldsResponse itemFieldResp = mapItemFieldsForUCD.get(ucdProfileID);
 
@@ -260,7 +274,9 @@ public class GeonaDataViewMainPanel extends Composite {
 
 			@Override
 			public void execute() {
-				searchFacilityPanel.getElement().getParentElement().getStyle().setOpacity(0.9);
+				searchFacilityPanel.getElement().getParentElement().addClassName("opacity-09");
+				panelCustomOverlayLayers.getElement().getParentElement().addClassName("opacity-09");
+				panelCrossFilteringLayers.getElement().getParentElement().addClassName("opacity-09");
 
 			}
 
@@ -310,6 +326,26 @@ public class GeonaDataViewMainPanel extends Composite {
 
 			}
 		}, ClickEvent.getType());
+
+		linkCustomOverlayLayers.addDomHandler(new ClickHandler() {
+
+			@Override
+			public void onClick(ClickEvent event) {
+				// event.preventDefault();
+				event.stopPropagation();
+
+			}
+		}, ClickEvent.getType());
+
+		linkCrossFilteringLayers.addDomHandler(new ClickHandler() {
+
+			@Override
+			public void onClick(ClickEvent event) {
+				// event.preventDefault();
+				event.stopPropagation();
+
+			}
+		}, ClickEvent.getType());
 	}
 
 	/**
@@ -608,4 +644,105 @@ public class GeonaDataViewMainPanel extends Composite {
 
 	}
 
+	public void addOverlayLayers(GCubeCollection collection,
+			List<GroupedLayersDV<? extends LayerIDV>> listGroupedLayers) {
+
+		if (listGroupedLayers == null)
+			return;
+
+		com.github.gwtbootstrap.client.ui.Label collectionGroup = new com.github.gwtbootstrap.client.ui.Label(
+				collection.getUcd().getName());
+		collectionGroup.setType(LabelType.WARNING);
+		LayoutPanel lc = new LayoutPanel();
+		lc.add(collectionGroup);
+		panelCustomOverlayLayers.add(lc);
+
+		for (GroupedLayersDV gCustomLayerDV : listGroupedLayers) {
+			if (gCustomLayerDV.getListCustomLayers() != null) {
+				FlowPanel lcInner = new FlowPanel();
+				lcInner.getElement().getStyle().setMarginLeft(5.0, Unit.PX);
+				com.github.gwtbootstrap.client.ui.Label labelGroup = new com.github.gwtbootstrap.client.ui.Label(
+						gCustomLayerDV.getName());
+				labelGroup.setType(LabelType.INFO);
+				String descr = gCustomLayerDV.getDescription() != null && !gCustomLayerDV.getDescription().isEmpty()
+						? gCustomLayerDV.getDescription()
+						: gCustomLayerDV.getName();
+				labelGroup.setTitle(descr);
+				lcInner.add(labelGroup);
+				if (descr.compareTo(gCustomLayerDV.getName()) != 0) {
+					HTML overlayGroupDescr = new HTML();
+					overlayGroupDescr.getElement().setClassName("overlay-panel-style-description");
+					overlayGroupDescr.setHTML(descr);
+					lcInner.add(overlayGroupDescr);
+				}
+				List<ConfiguredLayerDV> list = gCustomLayerDV.getListCustomLayers();
+				for (ConfiguredLayerDV customLayer : list) {
+
+					if (customLayer.isDisplay()) {
+						LayerItem layerItem = new LayerItem();
+						if (customLayer.getWMS_URL() != null) {
+							final String mapServerHost = URLUtil.getPathURL(customLayer.getWMS_URL());
+							GWT.log("mapServerHost: " + mapServerHost);
+							layerItem.setMapServerHost(mapServerHost);
+							layerItem.setBaseLayer(false);
+							layerItem.setName(customLayer.getName());
+							layerItem.setTitle(customLayer.getTitle());
+							layerItem.setWmsLink(customLayer.getWMS_URL());
+							// panelCustomOverlayLayers.add(new CrossFilteringLayerPanel(layerItem,
+							// applicationBus));
+							lcInner.add(new OverlayCustomLayerPanel(layerItem, applicationBus));
+							map.addGroupedCustomWMSLayer(layerItem);
+						}
+					}
+				}
+				panelCustomOverlayLayers.add(lcInner);
+			}
+
+		}
+
+		linkCustomOverlayLayers.setVisible(listGroupedLayers.size() > 0);
+
+	}
+
+	public void addCrossFilteringLayers(GCubeCollection collection,
+			List<GroupedLayersDV<? extends LayerIDV>> listGroupedLayers) {
+
+		if (listGroupedLayers == null)
+			return;
+
+		com.github.gwtbootstrap.client.ui.Label collectionGroup = new com.github.gwtbootstrap.client.ui.Label(
+				collection.getUcd().getName());
+		collectionGroup.setType(LabelType.WARNING);
+		LayoutPanel lc = new LayoutPanel();
+		lc.add(collectionGroup);
+		panelCrossFilteringLayers.add(lc);
+		for (GroupedLayersDV<? extends LayerIDV> groupedLayerDV : listGroupedLayers) {
+			FlowPanel lcInner = new FlowPanel();
+			lcInner.getElement().getStyle().setMarginLeft(5.0, Unit.PX);
+			com.github.gwtbootstrap.client.ui.Label labelGroup = new com.github.gwtbootstrap.client.ui.Label(
+					groupedLayerDV.getName());
+			labelGroup.setType(LabelType.INFO);
+			String descr = groupedLayerDV.getDescription() != null && !groupedLayerDV.getDescription().isEmpty()
+					? groupedLayerDV.getDescription()
+					: groupedLayerDV.getName();
+			labelGroup.setTitle(descr);
+			lcInner.add(labelGroup);
+			// panelCustomOverlayLayers.add(labelGroup);
+			if (descr.compareTo(groupedLayerDV.getName()) != 0) {
+				HTML overlayGroupDescr = new HTML();
+				overlayGroupDescr.getElement().setClassName("filter-panel-style-description");
+				overlayGroupDescr.setHTML(descr);
+				lcInner.add(overlayGroupDescr);
+				// panelCustomOverlayLayers.add(overlayGroupDescr);
+			}
+			CrossFilteringLayerPanel cfp = new CrossFilteringLayerPanel(collection, groupedLayerDV, applicationBus);
+			cfp.setFilterButton(linkCrossFilteringLayers);
+			lcInner.add(cfp);
+			panelCrossFilteringLayers.add(lcInner);
+		}
+
+		linkCrossFilteringLayers.setVisible(listGroupedLayers.size() > 0);
+
+	}
+
 }

src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/ui/GeonaDataViewMainPanel.ui.xml

@@ -49,17 +49,27 @@
 						</g:HTMLPanel>
 					</g:HTMLPanel>
 				</b:DropdownButton>
-				<b:DropdownButton type="LINK"
+				<b:DropdownButton type="LINK" text="Collection"
-					text="Open Collection" ui:field="openCollectionDropDown">
+					ui:field="openCollectionDropDown">
 					<g:HTMLPanel ui:field="openCollectionPanel"
 						addStyleNames="open-collection-style">
 					</g:HTMLPanel>
 				</b:DropdownButton>
 				<b:DropdownButton type="LINK"
-					title="Select the Map" text="Map" ui:field="linkMap">
+					title="Select the base Map" text="Map" ui:field="linkMap" icon="GLOBE">
 					<g:HTMLPanel ui:field="panelBaseLayers">
 					</g:HTMLPanel>
 				</b:DropdownButton>
+				<b:DropdownButton type="LINK" visible="false"
+					title="Add overlay layers.." text="Overlay" ui:field="linkCustomOverlayLayers" icon="REORDER">
+					<g:HTMLPanel ui:field="panelCustomOverlayLayers" addStyleNames="overlay-panel-style">
+					</g:HTMLPanel>
+				</b:DropdownButton>
+				<b:DropdownButton type="LINK" visible="false"
+					title="Apply spatial filtering.." text="Filter" ui:field="linkCrossFilteringLayers" icon="FILTER">
+					<g:HTMLPanel ui:field="panelCrossFilteringLayers" addStyleNames="filter-panel-style">
+					</g:HTMLPanel>
+				</b:DropdownButton>
 				<b:DropdownButton type="LINK" text="Search"
 					ui:field="searchFacilityButton">
 					<g:FlowPanel addStyleNames="search-field">
@@ -75,7 +85,7 @@
 				</b:DropdownButton>
 				<b:DropdownButton type="LINK"
 					title="Center Map to Location" text="Preset Location"
-					ui:field="linkPresetLocation">
+					ui:field="linkPresetLocation" addStyleNames="preset-location">
 					<b:Nav>
 						<b:Button type="LINK" ui:field="extentToItaly"
 							text="Italy" title="Center to Italy"></b:Button>

src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/ui/cms/project/ProjectViewer.java

@@ -304,7 +304,7 @@ public class ProjectViewer extends Composite {
 
 			GeoJSON spatialReference = theProjectView.getTheProjectDV().getSpatialReference();
 
-			Coordinate transfCoord = MapUtils.geoJSONTToBBoxCenter(spatialReference, MAP_PROJECTION.EPSG_4326.getName(),
+			Coordinate transfCoord = MapUtils.geoJSONToBBOXCenter(spatialReference, MAP_PROJECTION.EPSG_4326.getName(),
 					MAP_PROJECTION.EPSG_3857.getName());
 
 			if (transfCoord != null) {

src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/ui/cms/search/SearchFacilityUI.java

@@ -15,6 +15,7 @@ import org.gcube.application.geoportalcommon.shared.WhereClause;
 import org.gcube.application.geoportalcommon.shared.geoportal.DocumentDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.ResultDocumentDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.config.ItemFieldDV;
+import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerConstants;
 import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerServiceAsync;
 import org.gcube.portlets.user.geoportaldataviewer.client.events.ClosedViewDetailsEvent;
 import org.gcube.portlets.user.geoportaldataviewer.client.events.SearchPerformedEvent;
@@ -61,8 +62,6 @@ import com.google.gwt.user.client.ui.Widget;
  */
 public class SearchFacilityUI extends Composite {
 
-	private static final int SEARCHING_LIMIT_RESULTS_TO = 50;
-
 	private static SearchFacilityPanelUiBinder uiBinder = GWT.create(SearchFacilityPanelUiBinder.class);
 
 	protected static final int MIN_LENGHT_SERCHING_STRING = 3;
@@ -127,6 +126,7 @@ public class SearchFacilityUI extends Composite {
 	 *
 	 * @param profileID         the profile ID
 	 * @param appManagerBus     the app manager bus
+	 * @param displayByFields   the display by fields
 	 * @param sortByFields      the sort by fields
 	 * @param searchForFields   the search for fields
 	 * @param initialSortFilter the initial sort filter
@@ -237,6 +237,9 @@ public class SearchFacilityUI extends Composite {
 
 	}
 
+	/**
+	 * Reset current search.
+	 */
 	public void resetCurrentSearch() {
 		searchField.setText("");
 		resetSearch.setVisible(false);
@@ -268,8 +271,9 @@ public class SearchFacilityUI extends Composite {
 		panelResults.clear();
 		panelResults.add(new HTML("<hr>"));
 		panelResults.add(new LoaderIcon("Searching..."));
-		GeoportalDataViewerServiceAsync.Util.getInstance().getListProjects(profileID, 0, SEARCHING_LIMIT_RESULTS_TO,
+		GeoportalDataViewerServiceAsync.Util.getInstance().getListProjects(profileID, 0,
-				filter, false, new AsyncCallback<ResultSetPaginatedDataIDs>() {
+				GeoportalDataViewerConstants.SEARCH_LIMIT_RESULTS_TO_MAXIMUM, filter, false,
+				new AsyncCallback<ResultSetPaginatedDataIDs>() {
 
 					@Override
 					public void onFailure(Throwable caught) {
@@ -309,13 +313,14 @@ public class SearchFacilityUI extends Composite {
 									+ "). Please find below the top " + returnedItems + ".<br>";
 						} else if (returnedItems > 0) {
 							message = "Found " + returnedItems;
-							message += returnedItems > 0 ? " items" : " item";
+							message += returnedItems > 0 ? " projects" : " project";
-							message += ". ";
+							message += ".";
 						}
 
-//						if (returnedItems > 0) {
+						if (returnedItems > 0
-//							message += "On the map you can see all the projects with a centroid matching the query";
+								&& returnedItems <= GeoportalDataViewerConstants.SEARCH_LIMIT_RESULTS_TO_MAXIMUM) {
-//						}
+							message += "On the map you can see all the projects with a centroid matching the query";
+						}
 
 						HTML resultMessage = new HTML(message);
 						resultMessage.getElement().addClassName("search_result_msg");
@@ -356,7 +361,8 @@ public class SearchFacilityUI extends Composite {
 											profileID);
 									// here
 									appManagerBus.fireEvent(new ClosedViewDetailsEvent());
-									appManagerBus.fireEvent(new ShowDetailsEvent(gir, null, true, true, EVENT_SOURCE.LOCATE_SEARCHED));
+									appManagerBus.fireEvent(
+											new ShowDetailsEvent(gir, null, true, true, EVENT_SOURCE.LOCATE_SEARCHED));
 //									appManagerBus.fireEvent(new ShowPopupOnCentroidEvent(profileID,
 //											resultDoc.getProjectID(), resultDoc.getSpatialReference()));
 

src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/ui/crossfiltering/CrossFilteringLayerPanel.java

@@ -0,0 +1,672 @@
+package org.gcube.portlets.user.geoportaldataviewer.client.ui.crossfiltering;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.LinkedHashMap;
+import java.util.List;
+
+import org.gcube.application.geoportalcommon.shared.geoportal.config.GroupedLayersDV;
+import org.gcube.application.geoportalcommon.shared.geoportal.config.layers.CrossFilteringLayerDV;
+import org.gcube.application.geoportalcommon.shared.geoportal.config.layers.LayerIDV;
+import org.gcube.application.geoportalcommon.shared.geoportal.materialization.GCubeSDILayer;
+import org.gcube.application.geoportalcommon.shared.geoportal.materialization.IndexLayerDV;
+import org.gcube.application.geoportalcommon.shared.geoportal.materialization.innerobject.BBOXDV;
+import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerConstants.MAP_PROJECTION;
+import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerServiceAsync;
+import org.gcube.portlets.user.geoportaldataviewer.client.events.ApplyCQLToLayerOnMapEvent;
+import org.gcube.portlets.user.geoportaldataviewer.client.events.FitMapToExtentEvent;
+import org.gcube.portlets.user.geoportaldataviewer.client.gis.ExtentWrapped;
+import org.gcube.portlets.user.geoportaldataviewer.client.gis.MapUtils;
+import org.gcube.portlets.user.geoportaldataviewer.client.ui.util.OLGeoJSONUtil;
+import org.gcube.portlets.user.geoportaldataviewer.client.util.LoaderIcon;
+import org.gcube.portlets.user.geoportaldataviewer.client.util.URLUtil;
+import org.gcube.portlets.user.geoportaldataviewer.client.util.WFSMakerUtil;
+import org.gcube.portlets.user.geoportaldataviewer.shared.GCubeCollection;
+import org.gcube.portlets.user.geoportaldataviewer.shared.gis.LayerItem;
+import org.gcube.portlets.user.geoportaldataviewer.shared.gis.wms.GeoInformationForWMSRequest;
+
+import com.github.gwtbootstrap.client.ui.Alert;
+import com.github.gwtbootstrap.client.ui.Button;
+import com.github.gwtbootstrap.client.ui.CheckBox;
+import com.github.gwtbootstrap.client.ui.ControlGroup;
+import com.github.gwtbootstrap.client.ui.ControlLabel;
+import com.github.gwtbootstrap.client.ui.Controls;
+import com.github.gwtbootstrap.client.ui.DropdownButton;
+import com.github.gwtbootstrap.client.ui.Fieldset;
+import com.github.gwtbootstrap.client.ui.ListBox;
+import com.github.gwtbootstrap.client.ui.constants.AlertType;
+import com.github.gwtbootstrap.client.ui.constants.ButtonType;
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.event.dom.client.ChangeEvent;
+import com.google.gwt.event.dom.client.ChangeHandler;
+import com.google.gwt.event.dom.client.ClickEvent;
+import com.google.gwt.event.dom.client.ClickHandler;
+import com.google.gwt.event.shared.HandlerManager;
+import com.google.gwt.http.client.URL;
+import com.google.gwt.uibinder.client.UiBinder;
+import com.google.gwt.uibinder.client.UiField;
+import com.google.gwt.user.client.rpc.AsyncCallback;
+import com.google.gwt.user.client.ui.Composite;
+import com.google.gwt.user.client.ui.FlexTable;
+import com.google.gwt.user.client.ui.HTML;
+import com.google.gwt.user.client.ui.HTMLPanel;
+import com.google.gwt.user.client.ui.Widget;
+
+import jsinterop.base.JsPropertyMap;
+import ol.Extent;
+import ol.Feature;
+import ol.source.Vector;
+
+/**
+ * The Class CrossFilteringLayerPanel.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         May 15, 2023
+ */
+public class CrossFilteringLayerPanel extends Composite {
+
+	private static final double BBOX_OFFESET_ON_FEATURES = 18000.0;
+
+	private static final String ITEM_LABEL = "centroid";
+
+	public static String COLORSCALERANGE = "COLORSCALERANGE";
+
+	@UiField
+	Fieldset fieldSet;
+
+	@UiField
+	HTMLPanel panelResults;
+
+	@UiField
+	Button buttonReset;
+
+	private CheckBox checkbox;
+
+	private GeoInformationForWMSRequest geoInformation;
+
+	private static CrossFilteringLayerPanelUiBinder uiBinder = GWT.create(CrossFilteringLayerPanelUiBinder.class);
+
+	private HandlerManager applicationBus;
+
+	private LayerItem layerItem;
+
+	private LinkedHashMap<Integer, List<? extends LayerIDV>> mapInnestedFiltering = new LinkedHashMap<Integer, List<? extends LayerIDV>>();
+
+	private LinkedHashMap<Integer, HashMap<String, SelectableItem>> mapInnestedFeatures = new LinkedHashMap<Integer, HashMap<String, SelectableItem>>();
+
+	private LinkedHashMap<Integer, List<ListBox>> mapInnestedListBoxes = new LinkedHashMap<Integer, List<ListBox>>();
+
+	private GroupedLayersDV<? extends LayerIDV> groupedLayersDV;
+
+	private GCubeCollection gCubeCollection;
+
+	private DropdownButton filterButton;
+
+	/**
+	 * The Interface LayerCollectionPanelUiBinder.
+	 *
+	 * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+	 * 
+	 *         Jan 16, 2023
+	 */
+	interface CrossFilteringLayerPanelUiBinder extends UiBinder<Widget, CrossFilteringLayerPanel> {
+	}
+
+	/**
+	 * Instantiates a new overlay custom layer panel.
+	 *
+	 * @param gCubeCollection the g cube collection
+	 * @param groupedLayersDV the grouped layers DV
+	 * @param applicationBus  the application bus
+	 */
+	public CrossFilteringLayerPanel(GCubeCollection gCubeCollection,
+			GroupedLayersDV<? extends LayerIDV> groupedLayersDV, HandlerManager applicationBus) {
+		initWidget(uiBinder.createAndBindUi(this));
+		this.applicationBus = applicationBus;
+		this.groupedLayersDV = groupedLayersDV;
+		this.gCubeCollection = gCubeCollection;
+		GWT.log("Building cross-filtering for: " + groupedLayersDV);
+
+		buttonReset.setType(ButtonType.LINK);
+
+		int level = 0;
+		// Building mapInnestedFiltering
+		recursivelyBuildSelectableLevels(level, groupedLayersDV.getListCustomLayers());
+
+		GWT.log("cross-filtering mapInnestedFiltering: " + mapInnestedFiltering);
+
+		for (Integer theLevel : mapInnestedFiltering.keySet()) {
+			addListBoxesLevelToPanel(theLevel, mapInnestedFiltering.get(theLevel));
+		}
+
+		fillSelectableLevel(level, null);
+
+		bindEvents();
+
+	}
+
+	/**
+	 * Bind events.
+	 */
+	private void bindEvents() {
+
+		buttonReset.addClickHandler(new ClickHandler() {
+
+			@Override
+			public void onClick(ClickEvent event) {
+				panelResults.clear();
+				for (int i = 1; i < mapInnestedListBoxes.size(); i++) {
+					resetListBoxLevel(i);
+				}
+				// Selecting the placeholder of the fist list box
+				List<ListBox> listBox = mapInnestedListBoxes.get(0);
+				listBox.get(0).setSelectedIndex(0);
+				// Resetting CQL filtering
+				applicationBus.fireEvent(new ApplyCQLToLayerOnMapEvent(gCubeCollection.getIndexes().get(0), null));
+				setFilterHighLighted(false);
+			}
+		});
+
+	}
+
+	/**
+	 * Recursively build selectable levels.
+	 *
+	 * @param level     the level
+	 * @param layersIDV the layers IDV
+	 */
+	private void recursivelyBuildSelectableLevels(int level, List<? extends LayerIDV> layersIDV) {
+
+		if (layersIDV == null)
+			return;
+
+		mapInnestedFiltering.put(level, layersIDV);
+
+		for (LayerIDV layerIDV : layersIDV) {
+			if (layerIDV instanceof CrossFilteringLayerDV) {
+				CrossFilteringLayerDV crossFilteringLayer = (CrossFilteringLayerDV) layerIDV;
+
+				if (crossFilteringLayer.getRelated_to() != null) {
+					recursivelyBuildSelectableLevels(++level, crossFilteringLayer.getRelated_to());
+				}
+			}
+		}
+	}
+
+	/**
+	 * Fill selectable level.
+	 *
+	 * @param level        the level
+	 * @param selectedItem the selected item
+	 */
+	private void fillSelectableLevel(int level, SelectableItem selectedItem) {
+
+		List<? extends LayerIDV> layersIDV = mapInnestedFiltering.get(level);
+		List<ListBox> listBoxes = mapInnestedListBoxes.get(level);
+
+		if (layersIDV == null)
+			return;
+
+		final HashMap<String, SelectableItem> mapSelectableFeatures = new HashMap<String, CrossFilteringLayerPanel.SelectableItem>();
+
+		LayerIDV layerIDV = layersIDV.get(0); // Expected one
+
+		if (layerIDV instanceof CrossFilteringLayerDV) {
+			CrossFilteringLayerDV crossFilteringLayer = (CrossFilteringLayerDV) layerIDV;
+			String wfsURL = crossFilteringLayer.getWFS_URL();
+
+			if (selectedItem != null) {
+
+				String cqlFilterValue = crossFilteringLayer.getTable_parent_key_field() + "=" + selectedItem.keyValue;
+				wfsURL += "&" + WFSMakerUtil.CQL_FILTER_PARAMETER + "=" + URL.encode(cqlFilterValue);
+
+			}
+			GWT.log("wfsURL request: " + wfsURL);
+
+			GeoportalDataViewerServiceAsync.Util.getInstance().getHTTPResponseForURL(wfsURL,
+					new AsyncCallback<String>() {
+
+						@Override
+						public void onSuccess(String response) {
+							GWT.log("wfsURL response: " + response);
+							Feature[] features = OLGeoJSONUtil.readGeoJsonFeatures(MAP_PROJECTION.EPSG_4326, response);
+
+							for (Feature feature : features) {
+								JsPropertyMap<Object> properties = feature.getProperties();
+								Object keyValue = properties.get(crossFilteringLayer.getTable_key_field());
+								Object itemField = properties.get(crossFilteringLayer.getTable_show_field());
+
+								Object parentKey = null;
+								if (crossFilteringLayer.getTable_parent_key_field() != null
+										&& !crossFilteringLayer.getTable_parent_key_field().isEmpty())
+									parentKey = properties.get(crossFilteringLayer.getTable_parent_key_field());
+
+								parentKey = parentKey == null ? "" : parentKey;
+
+								SelectableItem selectableItem = new SelectableItem(
+										crossFilteringLayer.getTable_key_field() + "", keyValue + "",
+										crossFilteringLayer.getTable_parent_key_field(), itemField + "",
+										crossFilteringLayer.getName(), crossFilteringLayer.getTable_geometry_name());
+								GWT.log("selectableItem: " + selectableItem);
+
+								String pathFeatureKey = pathFeatureKey(selectableItem);
+								mapSelectableFeatures.put(pathFeatureKey, selectableItem);
+
+							}
+							GWT.log("mapSelectableFeatures: " + mapSelectableFeatures);
+							mapInnestedFeatures.put(level, mapSelectableFeatures);
+							String placholder = placeholderLayer(layersIDV.get(0)); // Expected one
+							fillListBoxLevel(level, mapSelectableFeatures, listBoxes, placholder);
+
+						}
+
+						@Override
+						public void onFailure(Throwable caught) {
+							panelResults.clear();
+							HTML error = new HTML(
+									"Sorry, an issue is occurred on loading data for cross-filtering facility. Error is: "
+											+ caught.getMessage());
+							panelResults.add(error);
+
+						}
+					});
+
+		}
+	}
+
+	/**
+	 * Path feature key.
+	 *
+	 * @param selectableItem the selectable item
+	 * @return the string
+	 */
+	private String pathFeatureKey(SelectableItem selectableItem) {
+		return "root_" + selectableItem.parentKeyField + "_" + selectableItem.keyField + "_" + selectableItem.keyValue;
+	}
+
+	/**
+	 * Placeholder layer.
+	 *
+	 * @param layersIDV the layers IDV
+	 * @return the string
+	 */
+	private String placeholderLayer(LayerIDV layersIDV) {
+		String placeholder = "Select";
+//		if (layersIDV != null)
+//			placeholder += " " + layersIDV.getTitle();
+
+		placeholder += " ...";
+		return placeholder;
+	}
+
+	/**
+	 * Adds the list boxes level to panel.
+	 *
+	 * @param level     the level
+	 * @param layersIDV the layers IDV
+	 */
+	private void addListBoxesLevelToPanel(int level, List<? extends LayerIDV> layersIDV) {
+
+		if (layersIDV == null)
+			return;
+
+		List<ListBox> listBoxes = new ArrayList<ListBox>(layersIDV.size());
+
+		for (LayerIDV layerIDV : layersIDV) {
+			ControlGroup cg = new ControlGroup();
+			ControlLabel cl = new ControlLabel(layerIDV.getTitle());
+			Controls controls = new Controls();
+			ListBox listBox = new ListBox();
+			String placeholder = placeholderLayer(layerIDV);
+			listBox.addItem(placeholder);
+			setEnabledBox(listBox, false);
+			listBoxes.add(listBox);
+			controls.add(listBox);
+			cg.add(cl);
+			cg.add(controls);
+
+			fieldSet.add(cg);
+		}
+
+		mapInnestedListBoxes.put(level, listBoxes);
+	}
+
+	/**
+	 * Sets the enabled box.
+	 *
+	 * @param listBox the list box
+	 * @param bool    the bool
+	 */
+	public void setEnabledBox(ListBox listBox, boolean bool) {
+		listBox.setEnabled(bool);
+	}
+
+	/**
+	 * Clear list box.
+	 *
+	 * @param listBox the list box
+	 * @param bool    the bool
+	 */
+	public void clearListBox(ListBox listBox, boolean bool) {
+		listBox.setEnabled(bool);
+	}
+
+	/**
+	 * Reset list box level.
+	 *
+	 * @param level the level
+	 */
+	private void resetListBoxLevel(int level) {
+
+		List<ListBox> listBoxes = mapInnestedListBoxes.get(level);
+		if (listBoxes != null) {
+			for (ListBox listBox : listBoxes) {
+				listBox.clear();
+				setEnabledBox(listBox, false);
+			}
+		}
+	}
+
+	/**
+	 * Fill list box level.
+	 *
+	 * @param level                 the level
+	 * @param mapSelectableFeatures the map selectable features
+	 * @param listBoxes             the list boxes
+	 * @param placeholder           the placeholder
+	 */
+	private void fillListBoxLevel(int level, HashMap<String, SelectableItem> mapSelectableFeatures,
+			List<ListBox> listBoxes, String placeholder) {
+		// GWT.log("fillBox level: " + level + " map: " + mapSelectableFeatures);
+
+		if (mapSelectableFeatures == null)
+			return;
+
+		ListBox listBox = listBoxes.get(0); // Expected one
+		listBox.clear();
+		listBox.addItem(placeholder);
+		listBox.getElement().getFirstChildElement().setAttribute("disabled", "disabled");
+
+		for (String key : mapSelectableFeatures.keySet()) {
+			SelectableItem selItem = mapSelectableFeatures.get(key);
+			listBox.addItem(selItem.itemValue, key);
+		}
+
+		listBox.addChangeHandler(new ChangeHandler() {
+
+			@Override
+			public void onChange(ChangeEvent event) {
+				loadInnerLevel(level, listBox.getSelectedValue());
+
+				for (int i = level + 1; i < mapInnestedListBoxes.size(); i++) {
+					resetListBoxLevel(i);
+				}
+
+				String key = listBox.getSelectedValue();
+				SelectableItem selectableItem = mapSelectableFeatures.get(key);
+				buildCrossFilteringCQLAndFireEvent(selectableItem);
+				setFilterHighLighted(true);
+			}
+
+		});
+
+		setEnabledBox(listBox, true);
+	}
+
+	/**
+	 * Builds the cross filtering CQL and fire event.
+	 *
+	 * @param selectableItem the selectable item
+	 */
+	private void buildCrossFilteringCQLAndFireEvent(SelectableItem selectableItem) {
+		String setCqlFilter = "INTERSECTS(geom,querySingle('" + selectableItem.layername + "','"
+				+ selectableItem.theGeometryName + "','" + selectableItem.keyField + "=''" + selectableItem.keyValue
+				+ "'''))";
+		// setCqlFilter = URL.encode(setCqlFilter);
+		GWT.log("CQL FILTER built: " + setCqlFilter);
+
+		IndexLayerDV indexLayer = gCubeCollection.getIndexes().get(0);
+
+		try {
+			GCubeSDILayer layer = indexLayer.getLayer();
+			String wmsLink = layer.getOgcLinks().get("wms");
+			String layerName = URLUtil.extractValueOfParameterFromURL("layers", wmsLink);
+			String serviceURL = URLUtil.getPathURL(wmsLink);
+			String toLServiceURL = serviceURL.toLowerCase();
+			if (toLServiceURL.endsWith("wms")) {
+				toLServiceURL = toLServiceURL.substring(0, toLServiceURL.length() - 3) + "ows";
+			}
+			String wfsCrossFilteringQuery = WFSMakerUtil.buildWFSRequest(toLServiceURL, layerName, 1000, "geom",
+					setCqlFilter);
+			GWT.log("wfsCrossFilteringQuery: " + wfsCrossFilteringQuery);
+			showCountResultsOfWFSCrossFiltering(wfsCrossFilteringQuery);
+		} catch (Exception e) {
+			// TODO: handle exception
+		}
+
+		applicationBus.fireEvent(new ApplyCQLToLayerOnMapEvent(indexLayer, setCqlFilter));
+	}
+
+	public void showCountResultsOfWFSCrossFiltering(String wfsQuery) {
+
+		panelResults.clear();
+		panelResults.add(new HTML("<hr>"));
+		panelResults.add(new LoaderIcon("Applying spatial filter..."));
+
+		GeoportalDataViewerServiceAsync.Util.getInstance().getHTTPResponseForURL(wfsQuery, new AsyncCallback<String>() {
+
+			@Override
+			public void onFailure(Throwable caught) {
+				panelResults.clear();
+				panelResults.add(new HTML("<hr>"));
+				Alert alert = new Alert("Error on returning number of items");
+				alert.setType(AlertType.ERROR);
+				alert.setClose(false);
+				panelResults.add(alert);
+
+			}
+
+			@Override
+			public void onSuccess(String response) {
+				Feature[] features = OLGeoJSONUtil.readGeoJsonFeatures(MAP_PROJECTION.EPSG_4326, response);
+
+				if (features != null) {
+					int dataCount = features.length;
+
+					panelResults.clear();
+					panelResults.add(new HTML("<hr>"));
+
+					FlexTable flexTable = new FlexTable();
+
+					String message = "";
+
+					if (dataCount <= 0) {
+						message = "No " + ITEM_LABEL + " found";
+					} else {
+
+						message = "Found " + dataCount;
+						message += dataCount > 1 ? " " + ITEM_LABEL + "s" : " " + ITEM_LABEL;
+					}
+					HTML resultMessage = new HTML();
+					resultMessage.getElement().addClassName("search_result_msg");
+					resultMessage.setHTML(message);
+					flexTable.setWidget(0, 0, resultMessage.asWidget());
+					panelResults.add(flexTable);
+
+					try {
+						if (features.length > 0) {
+							// Calculating Extend of the selected Features
+							Vector vector = new Vector();
+							vector.addFeatures(features);
+							Extent theExtent = vector.getExtent();
+							GWT.log("Extent from features is: " + theExtent);
+							theExtent = MapUtils.transformExtent(theExtent, MAP_PROJECTION.EPSG_4326.getName(),
+									MAP_PROJECTION.EPSG_3857.getName());
+							
+							double bboxOffset = features.length>1?BBOX_OFFESET_ON_FEATURES:0;
+							
+							final Extent transfExtent = new ExtentWrapped(theExtent.getLowerLeftX() - bboxOffset,
+									theExtent.getLowerLeftY() - bboxOffset, theExtent.getUpperRightX() + bboxOffset,
+									theExtent.getUpperRightY() + bboxOffset);
+							GWT.log("Zoom to selected - transf extent: " + transfExtent);
+
+							Button selectTo = new Button("Zoom to selected");
+							selectTo.setTitle("Zoom to select centroids...");
+							selectTo.setType(ButtonType.DEFAULT);
+							selectTo.addClickHandler(new ClickHandler() {
+
+								@Override
+								public void onClick(ClickEvent event) {
+									applicationBus.fireEvent(new FitMapToExtentEvent(transfExtent));
+
+								}
+							});
+							flexTable.setWidget(1, 0, selectTo);
+						}
+
+					} catch (Exception e) {
+						// TODO: handle exception
+					}
+				}
+			}
+		});
+	}
+
+	public static final BBOXDV fromGeoJSON(double[] coords) {
+		BBOXDV toReturn = new BBOXDV();
+		toReturn.setMaxX(coords[0]);
+		toReturn.setMinY(coords[1]);
+
+		if (coords.length == 6) {
+			// 3D
+			toReturn.setMinZ(coords[2]);
+			toReturn.setMinX(coords[3]);
+			toReturn.setMaxY(coords[4]);
+			toReturn.setMaxZ(coords[5]);
+		} else {
+			toReturn.setMinX(coords[2]);
+			toReturn.setMaxY(coords[3]);
+		}
+		return toReturn;
+	}
+
+	/**
+	 * Load inner level.
+	 *
+	 * @param level               the level
+	 * @param selectableItemValue the selectable item value
+	 */
+	private void loadInnerLevel(int level, String selectableItemValue) {
+		// GWT.log("selected level " + level + " selectableItemValue " +
+		// selectableItemValue);
+		HashMap<String, SelectableItem> mapSelectableItem = mapInnestedFeatures.get(level);
+		SelectableItem selectedItem = mapSelectableItem.get(selectableItemValue);
+
+		// GWT.log("selected selectableItem " + selectedItem);
+		int innerLevel = level + 1;
+		List<? extends LayerIDV> selectedLayers = mapInnestedFiltering.get(innerLevel);
+
+		// if layer filtering exists at this level
+		if (selectedLayers != null) {
+
+			List<ListBox> selectedListBoxes = mapInnestedListBoxes.get(innerLevel);
+			GWT.log("loading inner layers " + selectedLayers);
+			GWT.log("loading selectedListBoxes " + selectedListBoxes);
+			fillSelectableLevel(innerLevel, selectedItem);
+		}
+
+	}
+
+	/**
+	 * Sets the filter high lighted.
+	 *
+	 * @param bool the new filter high lighted
+	 */
+	private void setFilterHighLighted(boolean bool) {
+		if (bool) {
+			filterButton.getElement().addClassName("highlight-button");
+		} else {
+			filterButton.getElement().removeClassName("highlight-button");
+		}
+	}
+
+	/**
+	 * Sets the search button.
+	 *
+	 * @param searchFacilityButton the new search button
+	 */
+	public void setFilterButton(DropdownButton searchFacilityButton) {
+		this.filterButton = searchFacilityButton;
+
+	}
+
+	/**
+	 * The Class SelectableItem.
+	 *
+	 * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+	 * 
+	 *         May 31, 2023
+	 */
+	public class SelectableItem {
+		protected String keyField;
+		protected String keyValue;
+		protected String parentKeyField;
+		protected String itemValue;
+		protected String layername;
+		protected String theGeometryName;
+
+		/**
+		 * Instantiates a new selectable item.
+		 */
+		SelectableItem() {
+
+		}
+
+		/**
+		 * Instantiates a new selectable item.
+		 *
+		 * @param keyField        the key field
+		 * @param keyValue        the key value
+		 * @param parentKeyField  the parent key field
+		 * @param itemValue       the item value
+		 * @param layername       the layername
+		 * @param theGeometryName the the geometry name
+		 */
+		public SelectableItem(String keyField, String keyValue, String parentKeyField, String itemValue,
+				String layername, String theGeometryName) {
+			super();
+			this.keyField = keyField;
+			this.keyValue = keyValue;
+			this.parentKeyField = parentKeyField;
+			this.itemValue = itemValue;
+			this.layername = layername;
+			this.theGeometryName = theGeometryName;
+		}
+
+		/**
+		 * To string.
+		 *
+		 * @return the string
+		 */
+		@Override
+		public String toString() {
+			StringBuilder builder = new StringBuilder();
+			builder.append("SelectableItem [keyField=");
+			builder.append(keyField);
+			builder.append(", keyValue=");
+			builder.append(keyValue);
+			builder.append(", parentKeyField=");
+			builder.append(parentKeyField);
+			builder.append(", itemValue=");
+			builder.append(itemValue);
+			builder.append(", layername=");
+			builder.append(layername);
+			builder.append(", theGeometryName=");
+			builder.append(theGeometryName);
+			builder.append("]");
+			return builder.toString();
+		}
+
+	}
+}

src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/ui/crossfiltering/CrossFilteringLayerPanel.ui.xml

@@ -0,0 +1,28 @@
+<!DOCTYPE ui:UiBinder SYSTEM "http://dl.google.com/gwt/DTD/xhtml.ent">
+<ui:UiBinder xmlns:ui="urn:ui:com.google.gwt.uibinder"
+	xmlns:g="urn:import:com.google.gwt.user.client.ui"
+	xmlns:b="urn:import:com.github.gwtbootstrap.client.ui">
+	<ui:style>
+	.important {
+		font-weight: bold;
+	}
+	
+	.margin-left-10 {
+		margin-left: 10px;
+	}
+	</ui:style>
+	<g:HTMLPanel>
+		<g:ScrollPanel>
+			<g:HTMLPanel>
+				<b:Form ui:field="panelForm">
+					<b:Fieldset ui:field="fieldSet">
+					</b:Fieldset>
+				</b:Form>
+				<g:HTMLPanel ui:field="panelResults">
+				</g:HTMLPanel>
+				<b:Button icon="REMOVE_CIRCLE" ui:field="buttonReset"
+					title="Reset the filter">Reset</b:Button>
+			</g:HTMLPanel>
+		</g:ScrollPanel>
+	</g:HTMLPanel>
+</ui:UiBinder> 

src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/ui/customoverlays/OverlayCustomLayerPanel.java

@@ -0,0 +1,278 @@
+package org.gcube.portlets.user.geoportaldataviewer.client.ui.customoverlays;
+
+import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerServiceAsync;
+import org.gcube.portlets.user.geoportaldataviewer.client.events.OverlayCustomLayerToMapEvent;
+import org.gcube.portlets.user.geoportaldataviewer.client.util.URLUtil;
+import org.gcube.portlets.user.geoportaldataviewer.shared.gis.LayerItem;
+import org.gcube.portlets.user.geoportaldataviewer.shared.gis.wms.GeoInformationForWMSRequest;
+
+import com.github.gwtbootstrap.client.ui.Button;
+import com.github.gwtbootstrap.client.ui.CheckBox;
+import com.github.gwtbootstrap.client.ui.ListBox;
+import com.github.gwtbootstrap.client.ui.constants.ButtonType;
+import com.google.gwt.core.client.GWT;
+import com.google.gwt.dom.client.Style.FontWeight;
+import com.google.gwt.event.dom.client.ChangeEvent;
+import com.google.gwt.event.dom.client.ChangeHandler;
+import com.google.gwt.event.dom.client.ClickEvent;
+import com.google.gwt.event.dom.client.ClickHandler;
+import com.google.gwt.event.dom.client.ErrorEvent;
+import com.google.gwt.event.dom.client.ErrorHandler;
+import com.google.gwt.event.dom.client.LoadEvent;
+import com.google.gwt.event.dom.client.LoadHandler;
+import com.google.gwt.event.logical.shared.ValueChangeEvent;
+import com.google.gwt.event.logical.shared.ValueChangeHandler;
+import com.google.gwt.event.shared.HandlerManager;
+import com.google.gwt.uibinder.client.UiBinder;
+import com.google.gwt.uibinder.client.UiField;
+import com.google.gwt.user.client.Window;
+import com.google.gwt.user.client.rpc.AsyncCallback;
+import com.google.gwt.user.client.ui.Composite;
+import com.google.gwt.user.client.ui.FlexTable;
+import com.google.gwt.user.client.ui.FlowPanel;
+import com.google.gwt.user.client.ui.HTML;
+import com.google.gwt.user.client.ui.HTMLPanel;
+import com.google.gwt.user.client.ui.HorizontalPanel;
+import com.google.gwt.user.client.ui.Image;
+import com.google.gwt.user.client.ui.Label;
+import com.google.gwt.user.client.ui.ScrollPanel;
+import com.google.gwt.user.client.ui.Widget;
+
+/**
+ * The Class OverlayCustomLayerPanel.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         May 15, 2023
+ */
+public class OverlayCustomLayerPanel extends Composite {
+
+	public static String COLORSCALERANGE = "COLORSCALERANGE";
+
+	@UiField
+	HTMLPanel basePanel;
+
+	@UiField
+	HTMLPanel stylePanel;
+
+	@UiField
+	HTMLPanel styleListPanel;
+
+	@UiField
+	Button buttonLegend;
+
+	@UiField
+	ScrollPanel legendPanel;
+
+	private CheckBox checkbox;
+
+	private GeoInformationForWMSRequest geoInformation;
+
+	private static OverlayCustomLayerPanelUiBinder uiBinder = GWT.create(OverlayCustomLayerPanelUiBinder.class);
+
+	private ListBox listBoxStyles = new ListBox();
+
+	private HandlerManager applicationBus;
+
+	private LayerItem layerItem;
+
+	/**
+	 * The Interface LayerCollectionPanelUiBinder.
+	 *
+	 * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+	 * 
+	 *         Jan 16, 2023
+	 */
+	interface OverlayCustomLayerPanelUiBinder extends UiBinder<Widget, OverlayCustomLayerPanel> {
+	}
+
+	/**
+	 * Instantiates a new overlay custom layer panel.
+	 *
+	 * @param layerItem      the layer item
+	 * @param applicationBus the application bus
+	 */
+	public OverlayCustomLayerPanel(LayerItem layerItem, HandlerManager applicationBus) {
+		initWidget(uiBinder.createAndBindUi(this));
+		this.applicationBus = applicationBus;
+		this.layerItem = layerItem;
+
+		buttonLegend.setType(ButtonType.LINK);
+		legendPanel.setVisible(false);
+
+		GWT.log("Found available layerItem " + layerItem);
+		String label = layerItem.getTitle();
+		final String layerName = layerItem.getName();
+
+		checkbox = new CheckBox(label);
+		checkbox.setId("gcubeCustomLayerSelector_" + layerName);
+		checkbox.getElement().getStyle().setFontWeight(FontWeight.BOLD);
+		checkbox.setChecked(true);
+
+		checkbox.addValueChangeHandler(new ValueChangeHandler<Boolean>() {
+
+			@Override
+			public void onValueChange(ValueChangeEvent<Boolean> event) {
+				GWT.log("CustomLayer selector flag changed to value : " + event.toDebugString());
+				if (event.getValue()) {
+					// OPEN COLLECTION
+					applicationBus.fireEvent(new OverlayCustomLayerToMapEvent(layerItem, OverlayCustomLayerToMapEvent.ACTION_TYPE.VISIBILITY, true));
+				} else {
+					// CLOSE COLLECTION
+					legendPanel.clear();
+					legendPanel.setVisible(false);
+					applicationBus.fireEvent(new OverlayCustomLayerToMapEvent(layerItem, OverlayCustomLayerToMapEvent.ACTION_TYPE.VISIBILITY, false));
+				}
+			}
+		});
+
+		basePanel.add(checkbox);
+
+		final String wmsLink = layerItem.getWmsLink();
+		GeoportalDataViewerServiceAsync.Util.getInstance().parseWmsRequest(wmsLink, layerName,
+				new AsyncCallback<GeoInformationForWMSRequest>() {
+
+					@Override
+					public void onFailure(Throwable caught) {
+
+						Window.alert(caught.getMessage());
+					}
+
+					@Override
+					public void onSuccess(GeoInformationForWMSRequest geoInfoWMS) {
+						geoInformation = geoInfoWMS;
+						GWT.log("Parsed WMS Request returned: " + geoInfoWMS);
+
+						if (geoInfoWMS.getStyles() != null && geoInfoWMS.getStyles().getGeoStyles() != null) {
+							if (geoInfoWMS.getStyles().getGeoStyles().size() > 0) {
+								stylePanel.setVisible(true);
+								listBoxStyles.clear();
+								for (String styleName : geoInfoWMS.getStyles().getGeoStyles()) {
+									listBoxStyles.addItem(styleName, styleName);
+								}
+
+								styleListPanel.add(listBoxStyles);
+							}
+						}
+						
+						listBoxStyles.addChangeHandler(new ChangeHandler() {
+							
+							@Override
+							public void onChange(ChangeEvent event) {
+								legendPanel.clear();
+								legendPanel.setVisible(false);
+							}
+						});
+						
+						
+						buttonLegend.addClickHandler(new ClickHandler() {
+
+							@Override
+							public void onClick(ClickEvent event) {
+								GWT.log("is isToggle: " + buttonLegend.isToggle());
+								GWT.log("is isToggled: " + buttonLegend.isToggled());
+								if (legendPanel.isVisible()) {
+									legendPanel.clear();
+									legendPanel.setVisible(false);
+
+								} else {
+									legendPanel.setVisible(true);
+									loadLegend(wmsLink);
+								}
+
+							}
+						});
+
+					}
+				});
+
+	}
+
+	/**
+	 * Gets the checkbox.
+	 *
+	 * @return the checkbox
+	 */
+	public CheckBox getCheckbox() {
+		return checkbox;
+	}
+
+	/**
+	 * Load legend.
+	 *
+	 * @param wmsLink the wms link
+	 */
+	private void loadLegend(String wmsLink) {
+
+		legendPanel.clear();
+		String theLayerName = geoInformation.getLayerName();
+		final FlexTable flexTable = new FlexTable();
+		legendPanel.add(flexTable);
+
+		// Case no style found
+		if (listBoxStyles.getSelectedValue() == null) {
+			flexTable.setWidget(0, 0, new HTML("No style found"));
+			return;
+		}
+
+		FlowPanel flow = new FlowPanel();
+		flow.add(new HTMLPanel("Legend for: " + theLayerName));
+		final HorizontalPanel hpLegend = new HorizontalPanel();
+
+		String url = geoInformation.getBaseWmsServiceHost() + "?service=WMS&" + "version="
+				+ URLUtil.getValueOfParameter("version", wmsLink) + "&" + "request=GetLegendGraphic&" + "layer="
+				+ theLayerName;
+
+		String styleName = null;
+		try {
+			styleName = listBoxStyles.getSelectedValue();
+		} catch (Exception e) {
+		}
+
+		styleName = styleName != null && !styleName.isEmpty() ? styleName : "";
+
+		if (!geoInformation.isNcWMS()) {
+
+			url += "&format=image/png" + "&STYLE=" + styleName
+					+ "&LEGEND_OPTIONS=forceRule:True;dx:0.2;dy:0.2;mx:0.2;my:0.2;fontStyle:bold;"
+					+ "borderColor:000000;border:true;fontColor:000000;fontSize:14";
+		} else {
+
+			int isNcWmsStyle = styleName.indexOf("/");
+			if (isNcWmsStyle != -1) {
+				styleName = styleName.substring(isNcWmsStyle + 1, styleName.length());
+			}
+			url += "&palette=" + styleName;
+			if (geoInformation.getMapWMSNoStandard() != null) {
+				for (String key : geoInformation.getMapWMSNoStandard().keySet()) { // ADDING COLORSCALERANGE?
+					if (key.compareToIgnoreCase(COLORSCALERANGE) == 0) {
+						url += "&" + key + "=" + geoInformation.getMapWMSNoStandard().get(key);
+						break;
+					}
+				}
+			}
+		}
+
+		GWT.log(url);
+		flexTable.setStyleName("layer-style-panel-table-legend");
+		flexTable.setWidget(0, 0, new Label("Legend"));
+		final Image legendImage = new Image(url);
+		legendImage.addLoadHandler(new LoadHandler() {
+			@Override
+			public void onLoad(LoadEvent event) {
+			}
+		});
+
+		legendImage.addErrorHandler(new ErrorHandler() {
+			@Override
+			public void onError(ErrorEvent event) {
+				GWT.log("ErrorEvent ");
+				flexTable.setWidget(0, 1, new HTML("Error on loading the style"));
+			}
+		});
+
+		hpLegend.add(legendImage);
+		flexTable.setWidget(0, 1, hpLegend);
+	}
+
+}

src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/ui/customoverlays/OverlayCustomLayerPanel.ui.xml

@@ -0,0 +1,29 @@
+<!DOCTYPE ui:UiBinder SYSTEM "http://dl.google.com/gwt/DTD/xhtml.ent">
+<ui:UiBinder xmlns:ui="urn:ui:com.google.gwt.uibinder"
+	xmlns:g="urn:import:com.google.gwt.user.client.ui"
+	xmlns:b="urn:import:com.github.gwtbootstrap.client.ui">
+	<ui:style>
+	.important {
+		font-weight: bold;
+	}
+	
+	.margin-left-10 {
+		margin-left: 10px;
+	}
+	</ui:style>
+	<g:HTMLPanel addStyleNames="{style.margin-left-10}">
+		<g:HTMLPanel ui:field="basePanel">
+		</g:HTMLPanel>
+		<g:HTMLPanel ui:field="stylePanel" visible="false"
+			addStyleNames="layer-style-panel">
+			Layer Style
+			<g:HorizontalPanel>
+				<g:HTMLPanel ui:field="styleListPanel"></g:HTMLPanel>
+				<b:Button icon="BAR_CHART" ui:field="buttonLegend"
+					title="Show the Legend"></b:Button>
+			</g:HorizontalPanel>
+
+			<g:ScrollPanel ui:field="legendPanel"></g:ScrollPanel>
+		</g:HTMLPanel>
+	</g:HTMLPanel>
+</ui:UiBinder> 

src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/ui/layercollection/LayerCollectionPanel.java

@@ -42,12 +42,13 @@ import com.google.gwt.user.client.ui.Label;
 import com.google.gwt.user.client.ui.ScrollPanel;
 import com.google.gwt.user.client.ui.Widget;
 
+
 /**
  * The Class LayerCollectionPanel.
  *
  * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
  * 
- *         Jan 16, 2023
+ * May 15, 2023
  */
 public class LayerCollectionPanel extends Composite {
 

src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/ui/util/OLGeoJSONUtil.java

@@ -0,0 +1,59 @@
+package org.gcube.portlets.user.geoportaldataviewer.client.ui.util;
+
+import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerConstants.MAP_PROJECTION;
+
+import ol.Feature;
+import ol.OLFactory;
+import ol.format.GeoJson;
+import ol.format.GeoJsonFeatureOptions;
+import ol.format.GeoJsonOptions;
+import ol.proj.Projection;
+import ol.proj.ProjectionOptions;
+
+/**
+ * The Class OLGeoJSONUtil.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         May 25, 2023
+ */
+public class OLGeoJSONUtil {
+
+	/**
+	 * Builds the geo JSON.
+	 *
+	 * @param projection the projection
+	 * @return the geo json
+	 */
+	public static GeoJson buildGeoJSON(MAP_PROJECTION projection) {
+		try {
+			GeoJsonFeatureOptions fo = new GeoJsonFeatureOptions();
+			ProjectionOptions projectionOptions = new ProjectionOptions();
+			projectionOptions.setCode(projection.getName());
+			Projection fp = new Projection(projectionOptions);
+			fo.setFeatureProjection(fp);
+			fo.setDataProjection(fp);
+			GeoJsonOptions geoJsonOpt = new GeoJsonOptions();
+			geoJsonOpt.setDefaultDataProjection(fp);
+			geoJsonOpt.setFeatureProjection(fp);
+			return OLFactory.createGeoJSON(geoJsonOpt);
+		} catch (Exception e) {
+			// silent
+			return OLFactory.createGeoJSON();
+		}
+
+	}
+
+	/**
+	 * Read geo json features.
+	 *
+	 * @param projection    the projection
+	 * @param geoJSONString the geo JSON string
+	 * @return the feature[]
+	 */
+	public static Feature[] readGeoJsonFeatures(MAP_PROJECTION projection, String geoJSONString) {
+		GeoJson geoJson = buildGeoJSON(projection);
+		return geoJson.readFeatures(geoJSONString);
+	}
+
+}

src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/util/URLUtil.java

@@ -1,7 +1,7 @@
 package org.gcube.portlets.user.geoportaldataviewer.client.util;
 
 /**
- * The Class URLUtil.
+ * The Class HTTPRequestUtil.
  *
  * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
  * 
@@ -35,6 +35,20 @@ public class URLUtil {
 		return value;
 	}
 
+	/**
+	 * Gets the path URL.
+	 *
+	 * @param url the url
+	 * @return the path URL
+	 */
+	public static String getPathURL(String url) {
+		int index = url.toLowerCase().indexOf("?");
+		if (index > -1) {
+			return url.substring(0, index);
+		} else
+			return null;
+	}
+
 	/**
 	 * Adds the parameter to query string.
 	 *

src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/util/WFSMakerUtil.java

@@ -0,0 +1,49 @@
+package org.gcube.portlets.user.geoportaldataviewer.client.util;
+
+import org.gcube.portlets.user.geoportaldataviewer.shared.gis.wfs.WFSGetFeature;
+
+import com.google.gwt.http.client.URL;
+
+public class WFSMakerUtil {
+
+	public static final String CQL_FILTER_PARAMETER = "CQL_FILTER";
+
+	public static String buildWFSRequest(String webserviceURL, String layerName, int maxFeatures, String propertyName,
+			String cqlFilter) throws Exception {
+
+		if (layerName == null)
+			throw new Exception("Bad parameter layerName is null");
+
+		if (webserviceURL == null)
+			throw new Exception("Bad parameter webserviceURL is null");
+
+		StringBuilder builder = new StringBuilder();
+		builder.append(webserviceURL);
+		builder.append("?");
+		builder.append(WFSGetFeature.SERVICE.getParameter() + "=" + WFSGetFeature.SERVICE.getValue());
+		builder.append("&");
+		builder.append(WFSGetFeature.VERSION.getParameter() + "=" + WFSGetFeature.VERSION.getValue());
+		builder.append("&");
+		builder.append(WFSGetFeature.REQUEST.getParameter() + "=" + WFSGetFeature.REQUEST.getValue());
+		builder.append("&");
+		builder.append(WFSGetFeature.OUTPUTFORMAT.getParameter() + "=" + URL.encode("application/json"));
+		builder.append("&");
+		builder.append(WFSGetFeature.TYPENAME.getParameter() + "=" + layerName);
+		builder.append("&");
+
+		if (maxFeatures > 0) {
+			builder.append(WFSGetFeature.MAXFEATURES.getParameter() + "=" + maxFeatures);
+			builder.append("&");
+		}
+		if (propertyName != null) {
+			builder.append(WFSGetFeature.PROPERTYNAME.getParameter() + "=" + propertyName);
+			builder.append("&");
+		}
+		if (cqlFilter != null) {
+			builder.append(CQL_FILTER_PARAMETER + "=" + cqlFilter);
+		}
+
+		return builder.toString();
+	}
+
+}

src/main/java/org/gcube/portlets/user/geoportaldataviewer/server/GeoportalDataViewerServiceImpl.java

@@ -3,10 +3,6 @@ package org.gcube.portlets.user.geoportaldataviewer.server;
 import static org.gcube.application.geoportal.client.plugins.GeoportalAbstractPlugin.projects;
 import static org.gcube.application.geoportal.client.plugins.GeoportalAbstractPlugin.useCaseDescriptors;
 
-import java.io.BufferedReader;
-import java.io.InputStreamReader;
-import java.net.HttpURLConnection;
-import java.net.URL;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
@@ -31,6 +27,7 @@ import org.gcube.application.geoportal.common.model.document.identification.Iden
 import org.gcube.application.geoportal.common.model.document.relationships.Relationship;
 import org.gcube.application.geoportal.common.model.document.relationships.RelationshipNavigationObject;
 import org.gcube.application.geoportal.common.model.rest.QueryRequest;
+import org.gcube.application.geoportal.common.model.useCaseDescriptor.HandlerDeclaration;
 import org.gcube.application.geoportal.common.model.useCaseDescriptor.UseCaseDescriptor;
 import org.gcube.application.geoportal.common.rest.Projects;
 import org.gcube.application.geoportalcommon.ConvertToDataValueObjectModel;
@@ -47,14 +44,22 @@ import org.gcube.application.geoportalcommon.shared.SearchingFilter;
 import org.gcube.application.geoportalcommon.shared.geoportal.ConfigurationDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.DocumentDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.ResultDocumentDV;
+import org.gcube.application.geoportalcommon.shared.geoportal.config.GeoportalConfigurationID;
+import org.gcube.application.geoportalcommon.shared.geoportal.config.GroupedLayersDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.config.ItemFieldDV;
+import org.gcube.application.geoportalcommon.shared.geoportal.config.layers.ConfiguredLayerDV;
+import org.gcube.application.geoportalcommon.shared.geoportal.config.layers.CrossFilteringLayerDV;
+import org.gcube.application.geoportalcommon.shared.geoportal.config.layers.LayerIDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.geojson.GeoJSON;
+import org.gcube.application.geoportalcommon.shared.geoportal.materialization.GCubeSDILayer;
 import org.gcube.application.geoportalcommon.shared.geoportal.materialization.GCubeSDIViewerLayerDV;
+import org.gcube.application.geoportalcommon.shared.geoportal.materialization.GeoServerPlatformInfoDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.materialization.IndexLayerDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.materialization.innerobject.PayloadDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.project.IdentificationReferencesTYPE;
 import org.gcube.application.geoportalcommon.shared.geoportal.project.ProjectDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.project.TemporalReferenceDV;
+import org.gcube.application.geoportalcommon.shared.geoportal.ucd.GEOPORTAL_CONFIGURATION_TYPE;
 import org.gcube.application.geoportalcommon.shared.geoportal.ucd.GEOPORTAL_DATA_HANDLER;
 import org.gcube.application.geoportalcommon.shared.geoportal.ucd.HandlerDeclarationDV;
 import org.gcube.application.geoportalcommon.shared.geoportal.ucd.UseCaseDescriptorDV;
@@ -70,6 +75,7 @@ import org.gcube.portlets.user.geoportaldataviewer.server.gis.GisMakers;
 import org.gcube.portlets.user.geoportaldataviewer.server.gis.WMSUrlValidator;
 import org.gcube.portlets.user.geoportaldataviewer.server.mongoservice.GeoportalServiceIdentityProxy;
 import org.gcube.portlets.user.geoportaldataviewer.server.util.ContextRequest;
+import org.gcube.portlets.user.geoportaldataviewer.server.util.HTTPRequestUtil;
 import org.gcube.portlets.user.geoportaldataviewer.server.util.SessionUtil;
 import org.gcube.portlets.user.geoportaldataviewer.server.util.TemporalComparatorUtil;
 import org.gcube.portlets.user.geoportaldataviewer.shared.GCubeCollection;
@@ -120,19 +126,41 @@ public class GeoportalDataViewerServiceImpl extends RemoteServiceServlet impleme
 		gif, png, jpeg, jpg, bmp, tif, tiff, svg, avif, webp
 	}
 
+	/**
+	 * The Enum CENTROID_LAYER_INDEX_FLAG.
+	 *
+	 * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+	 * 
+	 *         May 25, 2023
+	 */
 	public static enum CENTROID_LAYER_INDEX_FLAG {
 		PUBLIC("public"), PRIVATE("internal");
 
 		String id;
 
+		/**
+		 * Instantiates a new centroid layer index flag.
+		 *
+		 * @param id the id
+		 */
 		CENTROID_LAYER_INDEX_FLAG(String id) {
 			this.id = id;
 		}
 
+		/**
+		 * Gets the id.
+		 *
+		 * @return the id
+		 */
 		public String getId() {
 			return id;
 		}
 
+		/**
+		 * To string.
+		 *
+		 * @return the string
+		 */
 		@Override
 		public String toString() {
 			StringBuilder builder = new StringBuilder();
@@ -468,12 +496,14 @@ public class GeoportalDataViewerServiceImpl extends RemoteServiceServlet impleme
 						try {
 							LOG.debug("Checking configuration for collection " + u.getId());
 
+							SessionUtil.addCollectionToSession(getThreadLocalRequest(), u);
+
 							Projects<Project> p = projects(u.getId()).build();
 
-							UseCaseDescriptorDV ucd = ConvertToDataValueObjectModel.toUseCaseDescriptorDV(u, null);
+							UseCaseDescriptorDV ucdDV = ConvertToDataValueObjectModel.toUseCaseDescriptorDV(u, null);
 							Configuration ucdConfig = p.getConfiguration();
 							GCubeCollection coll = new GCubeCollection();
-							coll.setUcd(ucd);
+							coll.setUcd(ucdDV);
 
 							// TODO TO Check index flag should be in configuration or evaluated according to
 							// user credentials
@@ -532,11 +562,123 @@ public class GeoportalDataViewerServiceImpl extends RemoteServiceServlet impleme
 		}.execute().getResult();
 	}
 
+	/**
+	 * Gets the avaiable custom grouped layers for UCD.
+	 *
+	 * @param theHandler the the handler
+	 * @return the avaiable custom grouped layers for UCD
+	 */
+	@Override
+	public Map<String, List<GroupedLayersDV<? extends LayerIDV>>> getAvaiableCustomGroupedLayersForUCD(
+			GEOPORTAL_DATA_HANDLER theHandler) {
+		LOG.debug("getAvaiableCustomGroupedLayersForUCD called");
+
+		Map<String, List<GroupedLayersDV<? extends LayerIDV>>> mapProfileIDCustomGroupedLayers = new LinkedHashMap<>();
+
+		// Reading UCDs Collections from the session
+		Map<String, UseCaseDescriptor> ucdCollections = SessionUtil.getAvailableCollections(getThreadLocalRequest());
+		LOG.debug("ucdCollections in session are: " + ucdCollections.size());
+
+		for (String profileId : ucdCollections.keySet()) {
+
+			UseCaseDescriptor u = ucdCollections.get(profileId);
+
+			// Loading geoportal_grouped_overlay_layers if exists
+			List<HandlerDeclaration> handlers = u.getHandlersByType(theHandler.getType());
+
+			GEOPORTAL_CONFIGURATION_TYPE configurationType = null;
+			switch (theHandler) {
+			case geoportal_grouped_overlay_layers:
+				configurationType = GEOPORTAL_CONFIGURATION_TYPE.grouped_overlay_layers;
+				break;
+			case geoportal_grouped_cross_filtering:
+				configurationType = GEOPORTAL_CONFIGURATION_TYPE.grouped_cross_filtering_layers;
+			default:
+				break;
+			}
+
+			if (configurationType != null && handlers != null && handlers.size() > 0) {
+				// Loading Handler gcube_profiles
+				HandlerDeclaration handler = handlers.get(0);
+				List<GroupedLayersDV<? extends LayerIDV>> listGroupedCustomLayers = (List<GroupedLayersDV<? extends LayerIDV>>) getGroupedLayers(
+						u, handler, configurationType);
+				LOG.debug("listGroupedCustomLayers for type '{}' are: {}", configurationType, listGroupedCustomLayers);
+				mapProfileIDCustomGroupedLayers.put(profileId, listGroupedCustomLayers);
+			} else {
+				LOG.info("No handler '{}' found into UCD {}, continue...", theHandler, u.getId());
+				mapProfileIDCustomGroupedLayers.put(profileId, null);
+			}
+		}
+
+		LOG.debug("mapProfileIDCustomGroupedLayers returned: " + mapProfileIDCustomGroupedLayers);
+		LOG.info("mapProfileIDCustomGroupedLayers returned are: " + mapProfileIDCustomGroupedLayers.size());
+		return mapProfileIDCustomGroupedLayers;
+
+	}
+
+//	public Map<String, List<GroupedLayersDV>> getAvaiableCrossFilteringLayers() {
+//
+//		Map<String, List<GroupedLayersDV>> mapProfileIDOvelayLayers = new LinkedHashMap<>();
+//
+//		// Reading UCDs Collections from the session
+//		Map<String, UseCaseDescriptor> ucdCollections = SessionUtil.getAvailableCollections(getThreadLocalRequest());
+//
+//		for (String profileId : ucdCollections.keySet()) {
+//
+//			UseCaseDescriptor u = ucdCollections.get(profileId);
+//
+//			// Loading geoportal_grouped_overlay_layers if exists
+//			GEOPORTAL_DATA_HANDLER theHandler = GEOPORTAL_DATA_HANDLER.geoportal_grouped_cross_filtering;
+//			List<HandlerDeclaration> handlers = u.getHandlersByType(theHandler.getType());
+//
+//			if (handlers != null && handlers.size() > 0) {
+//				// Loading Handler gcube_profiles
+//				HandlerDeclaration handler = handlers.get(0);
+//				List<GroupedLayersDV> listGroupedCustomLayers = null;
+//				try {
+//
+//					HandlerDeclarationDV handlerDV = ConvertToDataValueObjectModel.toHandlerDeclarationDV(handler, u,
+//							GEOPORTAL_CONFIGURATION_TYPE.grouped_overlay_layers);
+//
+//					if (handler != null) {
+//						ConfigurationDV<?> config = handlerDV.getConfiguration();
+//						switch (config.getConfigurationType()) {
+//						case grouped_overlay_layers:
+//							listGroupedCustomLayers = (List<GroupedLayersDV>) config.getConfiguration();
+//							break;
+//						default:
+//							break;
+//						}
+//					}
+//				} catch (Exception e) {
+//					LOG.error("Error on loading {} config for ucd Id {}. Returning null",
+//							GEOPORTAL_CONFIGURATION_TYPE.grouped_overlay_layers, u.getId());
+//				}
+//
+//				mapProfileIDOvelayLayers.put(profileId, listGroupedCustomLayers);
+//			} else {
+//				LOG.warn("No handler " + theHandler + "found into UCD " + u.getId() + ", continue...");
+//				mapProfileIDOvelayLayers.put(profileId, null);
+//			}
+//		}
+//
+//		return mapProfileIDOvelayLayers;
+//
+//	}
+
+	/**
+	 * Gets the layer index.
+	 *
+	 * @param ucdConfig the ucd config
+	 * @param flag      the flag
+	 * @return the layer index
+	 */
 	private IndexLayerDV getLayerIndex(Configuration ucdConfig, CENTROID_LAYER_INDEX_FLAG flag) {
 
 		for (Index index : ucdConfig.getIndexes()) {
 			try {
 				IndexLayerDV toAdd = ConvertToDataValueObjectModel.convert(index);
+				toAdd = removeGSWorkspaceFromWMSPathOfOGCLinks(toAdd);
 				LOG.trace("Discovered index: " + toAdd);
 				if (toAdd.getFlag().compareToIgnoreCase(flag.getId()) == 0) {
 					LOG.debug("Layer index found for flag: " + flag + ", returning");
@@ -552,6 +694,69 @@ public class GeoportalDataViewerServiceImpl extends RemoteServiceServlet impleme
 		return null;
 	}
 
+	/**
+	 * Removes the GS workspace from WMS path of OGC links.
+	 *
+	 * @param index the index
+	 * @return the index layer DV
+	 */
+	private IndexLayerDV removeGSWorkspaceFromWMSPathOfOGCLinks(IndexLayerDV index) {
+		LOG.info("removeGSWorkspaceFromWMSPathOfOGCLinks called");
+		GCubeSDILayer indexLayer = index.getLayer();
+		HashMap<String, String> ogcLinks = indexLayer.getOgcLinks();
+		String wmsLink = ogcLinks.get("wms");
+		LOG.info("wms link is {}", wmsLink);
+		int lastCharOfthePath = wmsLink.indexOf("?");
+		String wmsPath = wmsLink.substring(0, lastCharOfthePath);
+		for (GeoServerPlatformInfoDV geoserver : indexLayer.getPlatformInfos()) {
+			// removing "workspace/" from the wms path
+			if (wmsPath.contains(geoserver.getWorkspace())) {
+				wmsPath = wmsPath.replace(geoserver.getWorkspace() + "/", "");
+				LOG.debug("purged wmsPath from the 'workspace' is {}", wmsPath);
+				wmsLink = wmsPath + wmsLink.substring(lastCharOfthePath, wmsLink.length());
+				ogcLinks.put("wms", wmsLink);
+				LOG.info("wms link without {} is {}", geoserver.getWorkspace(), wmsLink);
+			}
+		}
+		return index;
+
+	}
+
+	/**
+	 * Gets the grouped layers.
+	 *
+	 * @param ucd     the ucd
+	 * @param handler the handler
+	 * @param type    the type
+	 * @return the grouped layers
+	 */
+	private List<? extends GeoportalConfigurationID> getGroupedLayers(UseCaseDescriptor ucd, HandlerDeclaration handler,
+			GEOPORTAL_CONFIGURATION_TYPE type) {
+
+		List<? extends GeoportalConfigurationID> listGroupedCustomLayers = null;
+		try {
+
+			HandlerDeclarationDV handlerDV = ConvertToDataValueObjectModel.toHandlerDeclarationDV(handler, ucd, type);
+
+			if (handler != null) {
+				ConfigurationDV<?> config = handlerDV.getConfiguration();
+				switch (config.getConfigurationType()) {
+				case grouped_overlay_layers:
+					listGroupedCustomLayers = (List<GroupedLayersDV<ConfiguredLayerDV>>) config.getConfiguration();
+					break;
+				case grouped_cross_filtering_layers:
+					listGroupedCustomLayers = (List<GroupedLayersDV<CrossFilteringLayerDV>>) config.getConfiguration();
+				default:
+					break;
+				}
+
+			}
+		} catch (Exception e) {
+			LOG.error("Error on loading {} config for ucd Id {}. Returning null", type, ucd.getId());
+		}
+		return listGroupedCustomLayers;
+	}
+
 	/**
 	 * Gets the config list of fields for searching.
 	 *
@@ -1617,6 +1822,22 @@ public class GeoportalDataViewerServiceImpl extends RemoteServiceServlet impleme
 		return url;
 	}
 
+	/**
+	 * Gets the HTTP response for URL.
+	 *
+	 * @param url the url
+	 * @return the HTTP response for URL
+	 */
+	@Override
+	public String getHTTPResponseForURL(String url) {
+		LOG.info("getHTTPResponseForURL called");
+
+		if (LOG.isDebugEnabled()) {
+			LOG.debug("getHTTPResponseForURL for URL {} ", url);
+		}
+		return HTTPRequestUtil.getResponse(url);
+	}
+
 	/**
 	 * Gets the WFS response.
 	 *
@@ -1638,39 +1859,7 @@ public class GeoportalDataViewerServiceImpl extends RemoteServiceServlet impleme
 		}
 
 		String url = getWFSRequest(layerItem, mapSrsName, mapBBOX, maxFeatures, outputFormat);
-		StringBuffer response = new StringBuffer();
+		return HTTPRequestUtil.getResponse(url);
-		String theResponseString = "";
-		HttpURLConnection con = null;
-		LOG.debug("Built URL: " + url);
-		try {
-			URL obj = new URL(url);
-			con = (HttpURLConnection) obj.openConnection();
-			con.setRequestMethod("GET");
-			int responseCode = con.getResponseCode();
-			LOG.debug("GET Response Code:  " + responseCode);
-			if (responseCode == HttpURLConnection.HTTP_OK) { // success
-				BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
-				String inputLine;
-				while ((inputLine = in.readLine()) != null) {
-					response.append(inputLine);
-				}
-				in.close();
-			} else {
-				LOG.info("GET request did not work.");
-			}
-
-			theResponseString = response.toString();
-			// LOG.trace(theResponseString);
-
-			if (LOG.isDebugEnabled()) {
-				LOG.debug("getWFSResponse is empty? " + theResponseString.isEmpty());
-			}
-		} catch (Exception e) {
-			LOG.error("Error on performing the request to URL: " + url, e);
-		} finally {
-
-		}
-		return theResponseString;
 	}
 
 }

src/main/java/org/gcube/portlets/user/geoportaldataviewer/server/gis/GisMakers.java

@@ -4,6 +4,7 @@ import org.gcube.application.geoportalcommon.shared.gis.BoundsMap;
 import org.gcube.application.geoportalcommon.util.URLParserUtil;
 import org.gcube.portlets.user.geoportaldataviewer.server.gis.MapServerRecognize.SERVERTYPE;
 import org.gcube.portlets.user.geoportaldataviewer.shared.gis.LayerItem;
+import org.gcube.portlets.user.geoportaldataviewer.shared.gis.wfs.WFSGetFeature;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 

src/main/java/org/gcube/portlets/user/geoportaldataviewer/server/gis/WMSUrlValidator.java

@@ -12,12 +12,10 @@ import org.gcube.spatial.data.geoutility.wms.WmsUrlValidator;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-
 /**
  * The Class GisViewerWMSUrlValidator.
  *
- * @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it
+ * @author Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it Jan 28, 2016
- * Jan 28, 2016
  */
 public class WMSUrlValidator {
 
@@ -35,57 +33,56 @@ public class WMSUrlValidator {
 
 	private static final Logger LOG = LoggerFactory.getLogger(WMSUrlValidator.class);
 
-	
 	/**
 	 * Instantiates a new WMS url validator.
 	 *
-	 * @param wmsRequest the wms request
+	 * @param wmsRequest     the wms request
 	 * @param inputLayerName the input layer name
 	 * @throws Exception the exception
 	 */
-	public WMSUrlValidator(String wmsRequest, String inputLayerName) throws Exception{
+	public WMSUrlValidator(String wmsRequest, String inputLayerName) throws Exception {
-		LOG.debug("WMSURLValidator wmsRequest: "+wmsRequest);
+		LOG.debug("WMSURLValidator wmsRequest: " + wmsRequest);
-		LOG.debug("WMSURLValidator layerName: "+inputLayerName);
+		LOG.debug("WMSURLValidator layerName: " + inputLayerName);
-		
 
-		if(wmsRequest==null || wmsRequest.isEmpty())
+		if (wmsRequest == null || wmsRequest.isEmpty())
 			throw new Exception("WMS request is null or empty");
 
 		this.wmsRequestURI = wmsRequest.trim();
 		boolean isOwsService = GeoWmsServiceUtility.isOWSSerice(this.wmsRequestURI);
 		WebMapServerHost webMapServerHost;
 
-		//IS WMS?
+		// IS WMS?
-		if(GeoWmsServiceUtility.isWMSService(wmsRequestURI)){
+		if (GeoWmsServiceUtility.isWMSService(wmsRequestURI)) {
-			LOG.trace("found "+GeoWmsServiceUtility.SERVICE_WMS+" in wms request: "+wmsRequestURI);
+			LOG.trace("found " + GeoWmsServiceUtility.SERVICE_WMS + " in wms request: " + wmsRequestURI);
 			webMapServerHost = getWebMapServerHost(wmsRequestURI);
-		}else
+		} else
-			throw new Exception("WMS service not found for layer: "+inputLayerName);
+			throw new Exception("WMS service not found for layer: " + inputLayerName);
 
-		//VALIDATION WMS
+		// VALIDATION WMS
 		String baseWmsService = webMapServerHost.getHost();
-		//IS OWS OR WMS?
+		// IS OWS OR WMS?
-		this.wmsServiceHost = appendWmsServiceToBaseUrl(wmsRequest.substring(0, wmsRequest.indexOf("?")),isOwsService);
+		this.wmsServiceHost = appendWmsServiceToBaseUrl(wmsRequest.substring(0, wmsRequest.indexOf("?")), isOwsService);
 		this.layerName = inputLayerName;
 
 		try {
-			//VALIDATE WMS SERVICE FOR WEB MAP SERVER
+			// VALIDATE WMS SERVICE FOR WEB MAP SERVER
-			if(!HttpRequestUtil.urlExists(this.wmsServiceHost, true)){
+			if (!HttpRequestUtil.urlExists(this.wmsServiceHost, true)) {
-				LOG.info("baseWmsServiceUrl: "+wmsServiceHost +" is not a geoserver, setting as input base wms server: "+baseWmsService);
+				LOG.info("baseWmsServiceUrl: " + wmsServiceHost
+						+ " is not a geoserver, setting as input base wms server: " + baseWmsService);
 				this.wmsServiceHost = baseWmsService;
 			}
 
 		} catch (Exception e) {
-			LOG.error("error on validating geoserver wms service: "+e);
+			LOG.error("error on validating geoserver wms service: " + e);
-			LOG.info("setting baseWmsService as input base wms server: "+baseWmsService);
+			LOG.info("setting baseWmsService as input base wms server: " + baseWmsService);
 			this.wmsServiceHost = baseWmsService;
 		}
 
-		//VALIDATION FOR THREDDS - FIND LAYER NAME INTO WMS PATH
+		// VALIDATION FOR THREDDS - FIND LAYER NAME INTO WMS PATH
-		if(this.layerName==null || this.layerName.isEmpty()){
+		if (this.layerName == null || this.layerName.isEmpty()) {
 
 			this.layerName = WmsUrlValidator.getValueOfParameter(WmsParameters.LAYERS, wmsRequest);
-			if(this.layerName==null || this.layerName.isEmpty())
+			if (this.layerName == null || this.layerName.isEmpty())
 				throw new Exception("Layer name is null or empty");
 
 		}
@@ -93,42 +90,42 @@ public class WMSUrlValidator {
 		parametersValue.put(WmsParameters.LAYERS.getParameter(), this.layerName);
 	}
 
-
 	/**
 	 * Append wms service to base url.
 	 *
-	 * @param url the url
+	 * @param url         the url
 	 * @param isOwsServer the is ows server
 	 * @return the string
 	 */
-	public String appendWmsServiceToBaseUrl(String url, boolean isOwsServer){
+	public String appendWmsServiceToBaseUrl(String url, boolean isOwsServer) {
 
-		if(url.contains("/"+WMS) || url.contains("/"+OWS))
+		if (url.contains("/" + WMS) || url.contains("/" + OWS))
 			return url;
 
-		if(url.lastIndexOf("/") != url.length()){
+		if (url.lastIndexOf("/") != url.length()) {
-			url+="/";
+			url += "/";
 		}
 
-		if(isOwsServer)
+		if (isOwsServer)
-			return url+=OWS;
+			return url += OWS;
 		else
-			return url+=WMS;
+			return url += WMS;
 	}
 
 	/**
-	 * Method: getFullWmsUrlRequest
+	 * Method: getFullWmsUrlRequest Create a correct wms url request Returns:
-	 * Create a correct wms url request
-	 * Returns:
 	 * {String}.
 	 *
-	 * @param returnEmptyParameter if true the wms url returned contains also wms parameter with empty value, none otherwise.
+	 * @param returnEmptyParameter        if true the wms url returned contains also
-	 * and mandatory wms parameters that does not found are filled with empty values
+	 *                                    wms parameter with empty value, none
+	 *                                    otherwise. and mandatory wms parameters
+	 *                                    that does not found are filled with empty
+	 *                                    values
 	 * @param fillEmptyParameterAsDefault the fill empty parameter as default
 	 * @return a correct wms url request in formatted string like this:
-	 *        "wmsserver?key1=value1&key2=value2&key3=value3"
+	 *         "wmsserver?key1=value1&key2=value2&key3=value3"
 	 */
-	public String parseWMSRequest(boolean returnEmptyParameter, boolean fillEmptyParameterAsDefault){
+	public String parseWMSRequest(boolean returnEmptyParameter, boolean fillEmptyParameterAsDefault) {
 
 		urlValidator = new org.gcube.spatial.data.geoutility.wms.WmsUrlValidator(wmsRequestURI);
 		String fullWmsUrlBuilded;
@@ -138,98 +135,100 @@ public class WMSUrlValidator {
 			parametersValue.putAll(urlValidator.getMapWmsParameters());
 
 			String ln = parametersValue.get(WmsParameters.LAYERS.name());
-			LOG.debug("Comparing layer name from Wms request: "+ln +", with OnLineResource layerName: "+this.layerName);
+			LOG.debug("Comparing layer name from Wms request: " + ln + ", with OnLineResource layerName: "
-			if(ln==null || ln.isEmpty() || ln.compareTo(this.layerName)!=0){
+					+ this.layerName);
-				LOG.info("Layer name into wms request is different to OnLineResource layers name, replacing layer name: "+this.layerName);
+			if (ln == null || ln.isEmpty() || ln.compareTo(this.layerName) != 0) {
+				LOG.info(
+						"Layer name into wms request is different to OnLineResource layers name, replacing layer name: "
+								+ this.layerName);
 				parametersValue.put(WmsParameters.LAYERS.getParameter(), this.layerName);
-				urlValidator.getMapWmsParameters().put(org.gcube.spatial.data.geoutility.bean.WmsParameters.LAYERS.getParameter(), this.layerName);
+				urlValidator.getMapWmsParameters().put(
-				fullWmsUrlBuilded = org.gcube.spatial.data.geoutility.wms.WmsUrlValidator.setValueOfParameter(org.gcube.spatial.data.geoutility.bean.WmsParameters.LAYERS, fullWmsUrlBuilded, this.layerName, true);
+						org.gcube.spatial.data.geoutility.bean.WmsParameters.LAYERS.getParameter(), this.layerName);
+				fullWmsUrlBuilded = org.gcube.spatial.data.geoutility.wms.WmsUrlValidator.setValueOfParameter(
+						org.gcube.spatial.data.geoutility.bean.WmsParameters.LAYERS, fullWmsUrlBuilded, this.layerName,
+						true);
 			}
 
 //			logger.trace("parametersValue: "+parametersValue);
 			mapWmsNoStandardParams = new HashMap<String, String>(urlValidator.getMapWmsNoStandardParams().size());
 			mapWmsNoStandardParams.putAll(urlValidator.getMapWmsNoStandardParams());
 			wmsNoStandardParameters = urlValidator.getWmsNoStandardParameters();
-		}
+		} catch (Exception e) {
-		catch (Exception e) {
+			LOG.error("An error occurred during wms uri build, returning uri: " + wmsRequestURI, e);
-			LOG.error("An error occurred during wms uri build, returning uri: "+wmsRequestURI, e);
 			fullWmsUrlBuilded = wmsRequestURI;
 		}
 
-		LOG.trace("GisViewerWMSUrlValidator parseWMSRequest returning full wms url: "+fullWmsUrlBuilded);
+		LOG.trace("GisViewerWMSUrlValidator parseWMSRequest returning full wms url: " + fullWmsUrlBuilded);
 		return fullWmsUrlBuilded;
 	}
 
-
-
 	/**
 	 * Gets the web map server host.
 	 *
 	 * @param wmsRequest the wms request
-	 * @return the web map server host, (geoserver URI or the wmsRequest substring from start to index of '?' char (if exists))
+	 * @return the web map server host, (geoserver URI or the wmsRequest substring
+	 *         from start to index of '?' char (if exists))
 	 */
-	public WebMapServerHost getWebMapServerHost(String wmsRequest){
+	public WebMapServerHost getWebMapServerHost(String wmsRequest) {
 
 		WebMapServerHost webMapServerHost = new WebMapServerHost();
 
-		if(wmsRequest==null)
+		if (wmsRequest == null)
-			return webMapServerHost; //uri is empty
+			return webMapServerHost; // uri is empty
-
 
 		int end = wmsRequest.toLowerCase().lastIndexOf("?");
 
-		if(end==-1){
+		if (end == -1) {
-			LOG.trace("char ? not found in geoserver uri, return: "+wmsRequest);
+			LOG.trace("char ? not found in geoserver uri, return: " + wmsRequest);
-			return webMapServerHost; //uri is empty
+			return webMapServerHost; // uri is empty
 		}
 
 		String webMapServerBaseURL = wmsRequest.substring(0, wmsRequest.toLowerCase().lastIndexOf("?"));
 		int index = webMapServerBaseURL.lastIndexOf(GEOSERVER);
 
-		if(index>-1){ //FOUND the string GEOSERVER into URL
+		if (index > -1) { // FOUND the string GEOSERVER into URL
-			LOG.trace("found geoserver string: "+GEOSERVER+" in "+webMapServerBaseURL);
+			LOG.trace("found geoserver string: " + GEOSERVER + " in " + webMapServerBaseURL);
 
-			//THERE IS SCOPE?
+			// THERE IS SCOPE?
 			int lastSlash = webMapServerBaseURL.lastIndexOf("/");
-			int includeGeoserverString = index+GEOSERVER.length();
+			int includeGeoserverString = index + GEOSERVER.length();
-			int endUrl = lastSlash>includeGeoserverString?lastSlash:includeGeoserverString;
+			int endUrl = lastSlash > includeGeoserverString ? lastSlash : includeGeoserverString;
-			LOG.trace("indexs - lastSlash: ["+lastSlash+"],  includeGeoserverString: ["+includeGeoserverString+"], endUrl: ["+endUrl+"]");
+			LOG.trace("indexs - lastSlash: [" + lastSlash + "],  includeGeoserverString: [" + includeGeoserverString
-			int startScope = includeGeoserverString+1<endUrl?includeGeoserverString+1:endUrl; //INCLUDE SLASH
+					+ "], endUrl: [" + endUrl + "]");
+			int startScope = includeGeoserverString + 1 < endUrl ? includeGeoserverString + 1 : endUrl; // INCLUDE SLASH
 			String scope = webMapServerBaseURL.substring(startScope, endUrl);
-			LOG.trace("geoserver url include scope: "+webMapServerBaseURL.substring(includeGeoserverString, endUrl));
+			LOG.trace("geoserver url include scope: " + webMapServerBaseURL.substring(includeGeoserverString, endUrl));
 			webMapServerHost.setHost(webMapServerBaseURL.substring(0, endUrl));
 			webMapServerHost.setScope(scope);
 
 			return webMapServerHost;
 
-		}else{
+		} else {
-			LOG.trace("the string 'geoserver' not found in "+webMapServerBaseURL);
+			LOG.trace("the string 'geoserver' not found in " + webMapServerBaseURL);
 			// GET LAST INDEX OF '/' AND CONCATENATE GEOSERVER
-			String urlConn = webMapServerBaseURL.substring(0, webMapServerBaseURL.lastIndexOf("/"))+GEOSERVER;
+			String urlConn = webMapServerBaseURL.substring(0, webMapServerBaseURL.lastIndexOf("/")) + GEOSERVER;
-			LOG.trace("tentative concatenating string 'geoserver' at http url "+urlConn);
+			LOG.trace("tentative concatenating string 'geoserver' at http url " + urlConn);
 
 			try {
 
-				if(HttpRequestUtil.urlExists(urlConn, false)){
+				if (HttpRequestUtil.urlExists(urlConn, false)) {
-					LOG.trace("url: "+urlConn+" - open a connection, return "+urlConn);
+					LOG.trace("url: " + urlConn + " - open a connection, return " + urlConn);
 					webMapServerHost.setHost(urlConn);
 					return webMapServerHost;
-				}
+				} else
-				else
+					LOG.trace("url: " + urlConn + " - not open a connection");
-					LOG.trace("url: "+urlConn+" - not open a connection");
 
 			} catch (Exception e) {
-				LOG.error("url connection is wrong at :"+urlConn);
+				LOG.error("url connection is wrong at :" + urlConn);
 			}
 
 			String uriWithoutParameters = wmsRequest.substring(0, end);
-			LOG.trace("url connection, returned: "+uriWithoutParameters);
+			LOG.trace("url connection, returned: " + uriWithoutParameters);
 			webMapServerHost.setHost(uriWithoutParameters);
 			return webMapServerHost;
 		}
 	}
 
-
 	/**
 	 * Gets the wms service host.
 	 *
@@ -260,42 +259,40 @@ public class WMSUrlValidator {
 		return wmsNoStandardParameters;
 	}
 
-
 	/**
 	 * Gets the value of parsed wms parameter.
 	 *
 	 * @param parameter the parameter
 	 * @return the value of parsed wms parameter parsed from wms request.
 	 */
-	public String getValueOfParsedWMSParameter(WmsParameters parameter){
+	public String getValueOfParsedWMSParameter(WmsParameters parameter) {
 
 		return parametersValue.get(parameter.getParameter());
 	}
 
-
 	/**
 	 * Gets the value of parameter.
 	 *
-	 * @param wmsParam the wms param
+	 * @param wmsParam         the wms param
 	 * @param wmsUrlParameters the wms url parameters
 	 * @return the value of parameter
 	 */
-	public static String getValueOfParameter(WmsParameters wmsParam, String wmsUrlParameters){
+	public static String getValueOfParameter(WmsParameters wmsParam, String wmsUrlParameters) {
 
 		return WmsUrlValidator.getValueOfParameter(wmsParam, wmsUrlParameters);
 	}
 
-
 	/**
 	 * Sets the value of parameter.
 	 *
-	 * @param wmsParam the wms param
+	 * @param wmsParam         the wms param
 	 * @param wmsUrlParameters the wms url parameters
-	 * @param newValue the new value
+	 * @param newValue         the new value
-	 * @param addIfNotExists the add if not exists
+	 * @param addIfNotExists   the add if not exists
 	 * @return the string
 	 */
-	public static String setValueOfParameter(WmsParameters wmsParam, String wmsUrlParameters, String newValue, boolean addIfNotExists){
+	public static String setValueOfParameter(WmsParameters wmsParam, String wmsUrlParameters, String newValue,
+			boolean addIfNotExists) {
 
 		return WmsUrlValidator.setValueOfParameter(wmsParam, wmsUrlParameters, newValue, addIfNotExists);
 	}
@@ -309,8 +306,6 @@ public class WMSUrlValidator {
 		return layerName;
 	}
 
-
-
 	/**
 	 * Gets the styles as list.
 	 *
@@ -321,18 +316,17 @@ public class WMSUrlValidator {
 		List<String> listStyles = new ArrayList<String>();
 		String styles = getValueOfParsedWMSParameter(WmsParameters.STYLES);
 
-		if(styles!=null && !styles.isEmpty()){
+		if (styles != null && !styles.isEmpty()) {
 
 			String[] arrayStyle = styles.split(",");
 			for (String style : arrayStyle) {
-				if(style!=null && !style.isEmpty())
+				if (style != null && !style.isEmpty())
 					listStyles.add(style);
 			}
 		}
 		return listStyles;
 	}
 
-
 	/**
 	 * Gets the map wms no standard params.
 	 *
@@ -342,63 +336,4 @@ public class WMSUrlValidator {
 		return mapWmsNoStandardParams;
 	}
 
-	/**
-	 * The main method.
-	 *
-	 * @param args the arguments
-	 */
-	public static void main(String[] args) {
-
-//		String baseGeoserverUrl = "http://repoigg.services.iit.cnr.it:8080/geoserver/IGG/ows";
-//		String baseGeoserverUrl = "http://www.fao.org/figis/geoserver/species";
-//		String fullPath = "http://www.fao.org/figis/geoserver/species?SERVICE=WMS&BBOX=-176.0,-90.0,180.0,90&styles=Species_prob, puppa&layers=layerName&FORMAT=image/gif";
-//		String fullPath = "http://repoigg.services.iit.cnr.it:8080/geoserver/IGG/ows?service=wms&version=1.1.0&request=GetMap&layers==IGG:area_temp_1000&width=676&height=330&srs=EPSG:4326&crs=EPSG:4326&format=application/openlayers&bbox=-85.5,-180.0,90.0,180.0";
-//		String baseGeoserverUrl = "http://thredds-d-d4s.d4science.org/thredds/wms/public/netcdf/test20.nc";
-//		String fullPath = "http://thredds-d-d4s.d4science.org/thredds/wms/public/netcdf/test20.nc?service=wms&version=1.3.0&request=GetMap&layers=analyzed_field&bbox=-85.0,-180.0,85.0,180.0&styles=&width=640&height=480&srs=EPSG:4326&CRS=EPSG:4326&format=image/png&COLORSCALERANGE=auto";
-//		WmsUrlValidator validator = new WmsUrlValidator(baseGeoserverUrl, fullPath , "", false);
-//		logger.trace("base wms service url: "+validator.getBaseWmsServiceUrl());
-//		logger.trace("layer name: "+validator.getLayerName());
-//		logger.trace("full wms url: "+validator.getFullWmsUrlRequest(false, true));
-//		logger.trace("style: "+validator.getStyles());
-//		logger.trace("not standard parameter: "+validator.getWmsNotStandardParameters());
-//		String[] arrayStyle = validator.getStyles().split(",");
-//
-//		if(arrayStyle!=null && arrayStyle.length>0){
-//
-//			for (String style : arrayStyle) {
-//				if(style!=null && !style.isEmpty())
-//
-//					System.out.println("Style: "+style.trim());
-//			}
-//		}
-//
-//		String fullPath = "http://thredds-d-d4s.d4science.org/thredds/wms/public/netcdf/test20.nc?service=wms&version=1.3.0&request=GetMap&layers=analyzed_field&bbox=-85.0,-180.0,85.0,180.0&styles=&width=640&height=480&srs=EPSG:4326&CRS=EPSG:4326&format=image/png&COLORSCALERANGE=auto";
-//
-//		WmsGeoExplorerUrlValidator validator = new WmsGeoExplorerUrlValidator("http://thredds-d-d4s.d4science.org/thredds/wms/public/netcdf/test20.nc", fullPath , "", false);
-//		validator.getFullWmsUrlRequest(false,true);
-//
-//		System.out.println(validator.getWmsNoStandardParameters());
-//		System.out.println(validator.getMapWmsNoStandardParams());
-
-//		fullPath = WmsUrlValidator.setValueOfParameter(WmsParameters.STYLES, fullPath, "123", true);
-//
-
-//		MapPreviewGenerator map = new MapPreviewGenerator();
-//		fullPath = map.buildWmsRequestMapPreview(fullPath, "-85.0,-180.0,85.0,180.0");
-//		System.out.println(fullPath);
-
-		String wmsRequest = "http://geoserver-dev.d4science-ii.research-infrastructures.eu/geoserver/wms?CRS=EPSG:4326&BBOX=-85.5,-180.0,90.0,180.0&VERSION=1.1.0&FORMAT=application/openlayers&SERVICE=wms&HEIGHT=330&LAYERS=aquamaps:lsoleasolea20130716162322254cest&REQUEST=GetMap&STYLES=Species_prob&SRS=EPSG:4326&WIDTH=676";
-//		String wmsRequest = "http://thredds-d-d4s.d4science.org/thredds/wms/public/netcdf/test20.nc?service=wms&version=1.3.0&request=GetMap&layers=analyzed_field&styles=&width=640&height=480&srs=EPSG:4326&CRS=EPSG:4326&format=image/png&COLORSCALERANGE=auto&bbox=-85.0,-180.0,85.0,180.0";
-		WmsUrlValidator wms;
-		try {
-			wms = new WmsUrlValidator(wmsRequest);
-			System.out.println("Returned wms: "+wms.toString());
-		}
-		catch (Exception e) {
-			e.printStackTrace();
-		}
-
-
-	}
-
 }

src/main/java/org/gcube/portlets/user/geoportaldataviewer/server/util/HTTPRequestUtil.java

@@ -0,0 +1,69 @@
+package org.gcube.portlets.user.geoportaldataviewer.server.util;
+
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.net.HttpURLConnection;
+import java.net.URL;
+
+import org.gcube.portlets.user.geoportaldataviewer.server.GeoportalDataViewerServiceImpl;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * The Class HTTPRequestUtil.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ *         Jun 5, 2023
+ */
+public class HTTPRequestUtil {
+
+	private static final Logger LOG = LoggerFactory.getLogger(GeoportalDataViewerServiceImpl.class);
+
+	/**
+	 * Gets the response.
+	 *
+	 * @param url the url
+	 * @return the response
+	 */
+	public static String getResponse(String url) {
+		if (url == null || url.isEmpty())
+			return null;
+
+		StringBuffer response = new StringBuffer();
+		String theResponseString = "";
+		HttpURLConnection con = null;
+		LOG.debug("Calling URL: " + url);
+		try {
+			URL obj = new URL(url);
+			con = (HttpURLConnection) obj.openConnection();
+			con.setRequestMethod("GET");
+			int responseCode = con.getResponseCode();
+			LOG.debug("GET Response Code:  " + responseCode);
+			if (responseCode == HttpURLConnection.HTTP_OK) { // success
+				BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
+				String inputLine;
+				while ((inputLine = in.readLine()) != null) {
+					response.append(inputLine);
+				}
+				in.close();
+			} else {
+				LOG.info("GET request did not work.");
+			}
+
+			theResponseString = response.toString();
+			// LOG.trace(theResponseString);
+
+			if (LOG.isDebugEnabled()) {
+				LOG.debug("getResponse is empty? " + theResponseString.isEmpty());
+			}
+		} catch (Exception e) {
+			LOG.error("Error on performing the request to URL: " + url, e);
+		} finally {
+
+		}
+		LOG.debug("returning response with size: " + theResponseString.length());
+		return theResponseString;
+	}
+
+}

src/main/java/org/gcube/portlets/user/geoportaldataviewer/server/util/SessionUtil.java

@@ -3,7 +3,9 @@
  */
 package org.gcube.portlets.user.geoportaldataviewer.server.util;
 
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpSession;
@@ -51,6 +53,8 @@ public class SessionUtil {
 
 	private static final String COUNT_DOCS_FOR_PROFILE_ID = "GNA_DATAVIEWER_COUNT_DOCS_FOR_PROFILE_ID";
 
+	private static final String UCD_COLLECTIONS_SESSION = "THE_UCD_COLLECTIONS";
+
 	/**
 	 * Checks if is into portal.
 	 *
@@ -136,7 +140,7 @@ public class SessionUtil {
 
 		if (token != null) {
 			LOG.debug("Returning token " + token.substring(1, 10) + "_MASKED_TOKEN_");
-			if(setInThread)
+			if (setInThread)
 				SecurityTokenProvider.instance.set(token);
 		}
 
@@ -273,33 +277,6 @@ public class SessionUtil {
 		HttpSession session = httpServletRequest.getSession();
 		List<Concessione> listOfConcessioni = (List<Concessione>) session.getAttribute(LIST_OF_CONCESSIONI);
 		throw new Exception("getListConcessioni must be revisited!!!!");
-		/*
-		 * // setting null to force reloading from service if (reloadFromService)
-		 * listOfConcessioni = null;
-		 * 
-		 * if (listOfConcessioni == null) { listOfConcessioni = new
-		 * ArrayList<Concessione>();
-		 * LOG.info("Loading list of concessione from client mongo");
-		 * SessionUtil.getCurrentContext(httpServletRequest, true); MongoServiceCommon
-		 * serviceUtil = new MongoServiceCommon(); MongoConcessioni clientMongo =
-		 * serviceUtil.getInstanceMongoConcessioni();
-		 * 
-		 * Iterator<Concessione> concessioni = clientMongo.getList(); if (concessioni !=
-		 * null) { while (concessioni.hasNext()) { Concessione concessione =
-		 * (Concessione) concessioni.next(); listOfConcessioni.add(concessione);
-		 * 
-		 * } } // LOG.debug("Got list of concessioni from client mongo: " +
-		 * listOfConcessioni); session.setAttribute(LIST_OF_CONCESSIONI,
-		 * listOfConcessioni);
-		 * LOG.info("Saved in session list of concessioni from client mongo with size: "
-		 * + listOfConcessioni.size());
-		 * 
-		 * } else LOG.info("list of concessioni presents in session, using it");
-		 * 
-		 * LOG.info("read list of concessioni with size: " + listOfConcessioni.size());
-		 * return listOfConcessioni;
-		 * 
-		 */
 	}
 
 	/**
@@ -352,4 +329,20 @@ public class SessionUtil {
 
 	}
 
+	public static void addCollectionToSession(HttpServletRequest httpServletRequest, UseCaseDescriptor u) {
+		HttpSession session = httpServletRequest.getSession();
+		Map<String, UseCaseDescriptor> ucds = (Map<String, UseCaseDescriptor>) session
+				.getAttribute(UCD_COLLECTIONS_SESSION);
+		if (ucds == null) {
+			ucds = new HashMap<String, UseCaseDescriptor>();
+		}
+		ucds.put(u.getId(), u);
+		session.setAttribute(UCD_COLLECTIONS_SESSION, ucds);
+	}
+
+	public static Map<String, UseCaseDescriptor> getAvailableCollections(HttpServletRequest httpServletRequest) {
+		HttpSession session = httpServletRequest.getSession();
+		return (Map<String, UseCaseDescriptor>) session.getAttribute(UCD_COLLECTIONS_SESSION);
+	}
+
 }

src/main/java/org/gcube/portlets/user/geoportaldataviewer/server/util/URLParserUtil.java

@@ -9,7 +9,7 @@ import java.util.List;
 import java.util.Map;
 
 /**
- * The Class URLUtil.
+ * The Class URLParserUtil.
  *
  * @author Francesco Mangiacrapa at ISTI-CNR (francesco.mangiacrapa@isti.cnr.it)
  * 

src/main/java/org/gcube/portlets/user/geoportaldataviewer/shared/gis/DisplayCategory.java

@@ -0,0 +1,16 @@
+package org.gcube.portlets.user.geoportaldataviewer.shared.gis;
+
+import java.io.Serializable;
+
+import lombok.Data;
+import lombok.extern.slf4j.Slf4j;
+
+@Slf4j
+@Data
+public class DisplayCategory implements Serializable {
+	
+	
+	String title;
+	String description;
+
+}

src/main/java/org/gcube/portlets/user/geoportaldataviewer/shared/gis/LayerItem.java

@@ -23,7 +23,6 @@ import com.google.gwt.core.client.GWT;
  */
 public class LayerItem implements Serializable, Cloneable {
 
-	
 	/** The Constant serialVersionUID. */
 	private static final long serialVersionUID = 1664082688635256899L;
 
@@ -102,9 +101,6 @@ public class LayerItem implements Serializable, Cloneable {
 	/** The server wms request. */
 	public String wmsLink;
 
-	/** The cql filter available. */
-	private boolean cqlFilterAvailable = false;
-
 	/** The uuid. */
 	private String UUID;
 
@@ -722,7 +718,7 @@ public class LayerItem implements Serializable, Cloneable {
 	public String getCqlFilter() {
 		return cqlFilter;
 	}
-	
+
 	/**
 	 * Sets the cql filter.
 	 *
@@ -756,16 +752,7 @@ public class LayerItem implements Serializable, Cloneable {
 	 * @return true, if is cql filter available
 	 */
 	public boolean isCqlFilterAvailable() {
-		return cqlFilterAvailable;
+		return (cqlFilter != null) && (!cqlFilter.isEmpty());
-	}
-
-	/**
-	 * Sets the cql filter available.
-	 *
-	 * @param cqlFilterAvailable the new cql filter available
-	 */
-	public void setCqlFilterAvailable(boolean cqlFilterAvailable) {
-		this.cqlFilterAvailable = cqlFilterAvailable;
 	}
 
 	/**
@@ -894,11 +881,6 @@ public class LayerItem implements Serializable, Cloneable {
 		return maxResolution;
 	}
 
-	/**
-	 * To string.
-	 *
-	 * @return the string
-	 */
 	@Override
 	public String toString() {
 		StringBuilder builder = new StringBuilder();
@@ -952,8 +934,6 @@ public class LayerItem implements Serializable, Cloneable {
 		builder.append(isNcWms);
 		builder.append(", wmsLink=");
 		builder.append(wmsLink);
-		builder.append(", cqlFilterAvailable=");
-		builder.append(cqlFilterAvailable);
 		builder.append(", UUID=");
 		builder.append(UUID);
 		builder.append(", zAxis=");
@@ -968,7 +948,6 @@ public class LayerItem implements Serializable, Cloneable {
 		return builder.toString();
 	}
 
-	
 	/**
 	 * To layer item.
 	 *
@@ -991,9 +970,8 @@ public class LayerItem implements Serializable, Cloneable {
 	 * @param maxResolution          the max resolution
 	 * @return the layer item
 	 */
-	
+
-	
+	// TODO Constructor from IndexLayerDV, GCUBESDILAeryDV or direct info
-	// TODO Constructor from IndexLayerDV, GCUBESDILAeryDV or direct info 
 	private LayerItem toLayerItem(LayerType layerType, String layerTitle, String layerName, String layerURL,
 			String mapServerHost, boolean isExternal, boolean isBase, boolean displayInLayerSwitcher,
 			ArrayList<String> styles, String wmsLink, boolean onTop, HashMap<String, String> wmsNotStandardParams,

src/main/java/org/gcube/portlets/user/geoportaldataviewer/shared/gis/OverlayWMSLayer.java

@@ -0,0 +1,13 @@
+package org.gcube.portlets.user.geoportaldataviewer.shared.gis;
+
+import java.util.Map;
+
+public class OverlayWMSLayer {
+	
+	private String title;
+	private String name;
+	private String wmsServiceBaseURL;
+	private boolean display;
+	private Map<String, String> mapProperties;
+
+}

src/main/java/org/gcube/portlets/user/geoportaldataviewer/shared/gis/wfs/WFSGetFeature.java

@@ -1,6 +1,4 @@
-package org.gcube.portlets.user.geoportaldataviewer.server.gis;
+package org.gcube.portlets.user.geoportaldataviewer.shared.gis.wfs;
-
-
 
 /**
  * The Enum WfsParameters.
@@ -20,6 +18,7 @@ public enum WFSGetFeature {
 	WIDTH("WIDTH","676"),
 	HEIGHT("HEIGHT","230"),
 	SRSNAME("srsName","EPSG:4326"),
+	PROPERTYNAME("propertyName", ""),
 //	CRS("CRS","EPSG:4326"), //WMS 1.3.0 COMPLIANT
 	OUTPUTFORMAT("OUTPUTFORMAT","json"),
 	MAXFEATURES("MAXFEATURES","");

src/main/webapp/GeoportalDataViewer.css

@@ -26,7 +26,7 @@ body {
 	background-color: white;
 	box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
 	padding: 10px;
-	border-radius: 2px;
+	border-radius: 10px;
 	border: 1px solid #cccccc;
 	bottom: 12px;
 	left: -50px;
@@ -158,6 +158,11 @@ body {
 	padding-top: 1px;
 }
 
+.preset-location ul a {
+	margin: 5px !important;
+}
+
+
 .my-control-group .controls {
 	margin-left: 70px !important;
 }
@@ -211,7 +216,7 @@ body {
 }
 
 .inner-toolbar .btn-group {
-	margin-left: 0px !important;
+	margin-left: 2px !important;
 }
 
 .inner-toolbar .btn-link {
@@ -426,6 +431,7 @@ body {
 .map-layers-radio label {
 	margin-left: 5px;
 	padding-top: 5px;
+	font-weight: bold;
 }
 
 
@@ -824,4 +830,70 @@ RESPONSIVE
 
 .layer-style-panel-table-legend table td {
 	padding-left: 5px;
-}
+}
+
+/* CUSTOM OVERLAY UI */
+.overlay-panel-style {
+	padding-left: 10px;
+	padding-right: 10px;
+	max-width: 350px;
+}
+
+.overlay-panel-style-description {
+	border: none !important;
+	white-space: pre-line;
+	padding: 10px 0px;
+	font-style: italic;
+}
+
+.overlay-panel-style > div {
+	border: 1px solid #ccc;
+	border-radius: 5px;
+	padding: 10px;
+	margin-bottom: 10px;
+	margin-top: 5px;
+}
+
+
+/* FILTER PANEL UI */
+.filter-panel-style {
+	padding-left: 10px;
+	padding-right: 10px;
+	max-width: 350px;
+}
+
+.filter-panel-style .control-group {
+	margin-bottom: 5px !important;
+}
+
+.filter-panel-style select {
+	min-width: 310px;
+}
+
+.filter-panel-style-description {
+	border: none !important;
+	white-space: pre-line;
+	padding: 10px 0px;
+	font-style: italic;
+}
+
+.filter-panel-style > div {
+	border: 1px solid #ccc;
+	border-radius: 5px;
+	padding: 10px;
+	margin-bottom: 10px;
+	margin-top: 5px;
+}
+
+.filter-panel-style a {
+	float: right;
+}
+
+.filter-panel-style label {
+	font-weight: bold;
+}
+/* END CUSTOM OVERLAY UI */
+
+.opacity-09 {
+	opacity: 0.9;
+}

src/test/java/org/gcube/portlets/user/geoportaldataviewer/WMSUrlValidatorTest.java

@@ -0,0 +1,84 @@
+package org.gcube.portlets.user.geoportaldataviewer;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.gcube.spatial.data.geoutility.GeoWmsServiceUtility;
+import org.gcube.spatial.data.geoutility.bean.WmsParameters;
+import org.gcube.spatial.data.geoutility.util.HttpRequestUtil;
+import org.gcube.spatial.data.geoutility.wms.WmsUrlValidator;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+
+/**
+ * The Class WMSUrlValidatorTest.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR francesco.mangiacrapa@isti.cnr.it
+ * 
+ * Jun 1, 2023
+ */
+public class WMSUrlValidatorTest {
+
+	/**
+	 * The main method.
+	 *
+	 * @param args the arguments
+	 */
+	public static void main(String[] args) {
+
+//		String baseGeoserverUrl = "http://repoigg.services.iit.cnr.it:8080/geoserver/IGG/ows";
+//		String baseGeoserverUrl = "http://www.fao.org/figis/geoserver/species";
+//		String fullPath = "http://www.fao.org/figis/geoserver/species?SERVICE=WMS&BBOX=-176.0,-90.0,180.0,90&styles=Species_prob, puppa&layers=layerName&FORMAT=image/gif";
+//		String fullPath = "http://repoigg.services.iit.cnr.it:8080/geoserver/IGG/ows?service=wms&version=1.1.0&request=GetMap&layers==IGG:area_temp_1000&width=676&height=330&srs=EPSG:4326&crs=EPSG:4326&format=application/openlayers&bbox=-85.5,-180.0,90.0,180.0";
+//		String baseGeoserverUrl = "http://thredds-d-d4s.d4science.org/thredds/wms/public/netcdf/test20.nc";
+//		String fullPath = "http://thredds-d-d4s.d4science.org/thredds/wms/public/netcdf/test20.nc?service=wms&version=1.3.0&request=GetMap&layers=analyzed_field&bbox=-85.0,-180.0,85.0,180.0&styles=&width=640&height=480&srs=EPSG:4326&CRS=EPSG:4326&format=image/png&COLORSCALERANGE=auto";
+//		WmsUrlValidator validator = new WmsUrlValidator(baseGeoserverUrl, fullPath , "", false);
+//		logger.trace("base wms service url: "+validator.getBaseWmsServiceUrl());
+//		logger.trace("layer name: "+validator.getLayerName());
+//		logger.trace("full wms url: "+validator.getFullWmsUrlRequest(false, true));
+//		logger.trace("style: "+validator.getStyles());
+//		logger.trace("not standard parameter: "+validator.getWmsNotStandardParameters());
+//		String[] arrayStyle = validator.getStyles().split(",");
+//
+//		if(arrayStyle!=null && arrayStyle.length>0){
+//
+//			for (String style : arrayStyle) {
+//				if(style!=null && !style.isEmpty())
+//
+//					System.out.println("Style: "+style.trim());
+//			}
+//		}
+//
+//		String fullPath = "http://thredds-d-d4s.d4science.org/thredds/wms/public/netcdf/test20.nc?service=wms&version=1.3.0&request=GetMap&layers=analyzed_field&bbox=-85.0,-180.0,85.0,180.0&styles=&width=640&height=480&srs=EPSG:4326&CRS=EPSG:4326&format=image/png&COLORSCALERANGE=auto";
+//
+//		WmsGeoExplorerUrlValidator validator = new WmsGeoExplorerUrlValidator("http://thredds-d-d4s.d4science.org/thredds/wms/public/netcdf/test20.nc", fullPath , "", false);
+//		validator.getFullWmsUrlRequest(false,true);
+//
+//		System.out.println(validator.getWmsNoStandardParameters());
+//		System.out.println(validator.getMapWmsNoStandardParams());
+
+//		fullPath = WmsUrlValidator.setValueOfParameter(WmsParameters.STYLES, fullPath, "123", true);
+//
+
+//		MapPreviewGenerator map = new MapPreviewGenerator();
+//		fullPath = map.buildWmsRequestMapPreview(fullPath, "-85.0,-180.0,85.0,180.0");
+//		System.out.println(fullPath);
+
+		String wmsRequest = "http://geoserver-dev.d4science-ii.research-infrastructures.eu/geoserver/wms?CRS=EPSG:4326&BBOX=-85.5,-180.0,90.0,180.0&VERSION=1.1.0&FORMAT=application/openlayers&SERVICE=wms&HEIGHT=330&LAYERS=aquamaps:lsoleasolea20130716162322254cest&REQUEST=GetMap&STYLES=Species_prob&SRS=EPSG:4326&WIDTH=676";
+//		String wmsRequest = "http://thredds-d-d4s.d4science.org/thredds/wms/public/netcdf/test20.nc?service=wms&version=1.3.0&request=GetMap&layers=analyzed_field&styles=&width=640&height=480&srs=EPSG:4326&CRS=EPSG:4326&format=image/png&COLORSCALERANGE=auto&bbox=-85.0,-180.0,85.0,180.0";
+		WmsUrlValidator wms;
+		try {
+			wms = new WmsUrlValidator(wmsRequest);
+			System.out.println("Returned wms: "+wms.toString());
+		}
+		catch (Exception e) {
+			e.printStackTrace();
+		}
+
+
+	}
+
+}