added MAP_PROJECTION object

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

@@ -7,6 +7,7 @@ import org.gcube.application.geoportalcommon.shared.GeoNaItemRef;
 import org.gcube.application.geoportalcommon.shared.LayerItem;
 import org.gcube.application.geoportalcommon.shared.products.ConcessioneDV;
 import org.gcube.application.geoportalcommon.shared.products.model.RecordDV;
+import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerConstants.MAP_PROJECTION;
 import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerConstants.MapEventType;
 import org.gcube.portlets.user.geoportaldataviewer.client.events.AddedLayerToMapEvent;
 import org.gcube.portlets.user.geoportaldataviewer.client.events.AddedLayerToMapEventHandler;
@@ -335,7 +336,7 @@ public class GeoportalDataViewer implements EntryPoint {
 				Double y = concessioneDV.getCentroidLat();
 				GWT.log("X: "+x +", Y:"+y);
 				if(x!=null && y!=null) {
-					Coordinate transfCoord = MapUtils.transformCoordiante(new Coordinate(x, y), GeoportalDataViewerConstants.EPSG_4326, GeoportalDataViewerConstants.EPSG_3857);
+					Coordinate transfCoord = MapUtils.transformCoordiante(new Coordinate(x, y), MAP_PROJECTION.EPSG_4326.getName(), MAP_PROJECTION.EPSG_3857.getName());
 					GeoQuery select = olMapMng.toDataPointQuery(transfCoord,false);
 					GWT.log("GeoQuery: "+select);
 					//GeoportalDataViewerConstants.print("fireEvent QueryDataEvent");

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

@@ -14,8 +14,8 @@ import com.google.gwt.i18n.client.DateTimeFormat;
  */
 public class GeoportalDataViewerConstants {
 
-	public static final String EPSG_4326 = "EPSG:4326";
+//	public static final String EPSG_4326 = "EPSG:4326";
-	public static final String EPSG_3857 = "EPSG:3857";
+//	public static final String EPSG_3857 = "EPSG:3857";
 
 	public static final String MAP_DIV = "map";
 
@@ -28,7 +28,9 @@ public class GeoportalDataViewerConstants {
 	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 enum MapEventType {INIT, MAP_ZOOM_END, MOVE_END, ADDED_LAYER_TO_MAP}
+	public static enum MapEventType {
+		INIT, MAP_ZOOM_END, MOVE_END, ADDED_LAYER_TO_MAP
+	}
 
 	/**
 	 * The Enum LayerType.
@@ -37,12 +39,32 @@ public class GeoportalDataViewerConstants {
 	 * 
 	 *         Nov 24, 2020
 	 */
-	public enum LayerType {RASTER_BASELAYER, FEATURE_TYPE};
+	public enum LayerType {
+		RASTER_BASELAYER, FEATURE_TYPE
+	};
+
+	public static DateTimeFormat DT_FORMAT = DateTimeFormat.getFormat(ConvertToDataViewModel.DATE_FORMAT);
 
 	public static final int MAX_WFS_FEATURES = 3; // zero for no limit
 
 	public static final String NEW_LINE_BR = "<br/>";
 
+	public static enum MAP_PROJECTION {
+
+		EPSG_4326("EPSG:4326"), EPSG_3857("EPSG:3857");
+
+		String name;
+
+		MAP_PROJECTION(String name) {
+			this.name = name;
+		}
+
+		public String getName() {
+			return name;
+		}
+
+	}
+
 	public static final double ITALY_CENTER_LONG = 12.45;
 
 	public static final double ITALY_CENTER_LAT = 42.98;
@@ -51,17 +73,13 @@ public class GeoportalDataViewerConstants {
 
 	public static final int MAP_ITALY_FIT_ZOOM_ON = 6;
 
-	public static DateTimeFormat DT_FORMAT = DateTimeFormat.getFormat(ConvertToDataViewModel.DATE_FORMAT);
-	
-
 	/**
 	 * Prints the.
 	 *
 	 * @param msg the msg
 	 */
 	public static native void printJs(String msg)/*-{
-		console.log("js console: "+msg);
+		console.log("js console: " + msg);
 	}-*/;
 
-
 }

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

@@ -13,7 +13,7 @@ import org.gcube.application.geoportalcommon.shared.products.content.WorkspaceCo
 import org.gcube.application.geoportalcommon.shared.products.model.LayerConcessioneDV;
 import org.gcube.application.geoportalcommon.shared.products.model.UploadedImageDV;
 import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerConstants.LayerType;
-import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerConstants.MapEventType;
+import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerConstants.MAP_PROJECTION;
 import org.gcube.portlets.user.geoportaldataviewer.client.events.AddedLayerToMapEvent;
 import org.gcube.portlets.user.geoportaldataviewer.client.events.AddedLayerToMapEventHandler;
 import org.gcube.portlets.user.geoportaldataviewer.client.events.QueryDataEvent;
@@ -123,8 +123,8 @@ public class LayerManager {
 					double minX = queryEvent.getGeoQuery().getX1();
 					double minY = queryEvent.getGeoQuery().getY1();
 					Coordinate centerCoordinate = new Coordinate(minX, minY);
-					centerCoordinate = olMap.transform(centerCoordinate, GeoportalDataViewerConstants.EPSG_3857,
+					centerCoordinate = olMap.transform(centerCoordinate, MAP_PROJECTION.EPSG_3857.getName(),
-							GeoportalDataViewerConstants.EPSG_4326);
+							MAP_PROJECTION.EPSG_4326.getName());
 					mapBBOX.setLowerLeftX(centerCoordinate.getX());
 					mapBBOX.setLowerLeftY(centerCoordinate.getY());
 
@@ -133,12 +133,12 @@ public class LayerManager {
 					double maxX = queryEvent.getGeoQuery().getX2();
 					double maxY = queryEvent.getGeoQuery().getY2();
 					centerCoordinate = new Coordinate(maxX, maxY);
-					centerCoordinate = olMap.transform(centerCoordinate, GeoportalDataViewerConstants.EPSG_3857,
+					centerCoordinate = olMap.transform(centerCoordinate, MAP_PROJECTION.EPSG_3857.getName(),
-							GeoportalDataViewerConstants.EPSG_4326);
+							MAP_PROJECTION.EPSG_4326.getName());
 					mapBBOX.setUpperRightX(centerCoordinate.getX());
 					mapBBOX.setUpperRightY(centerCoordinate.getY());
 
-					mapBBOX.setCrs(GeoportalDataViewerConstants.EPSG_4326);
+					mapBBOX.setCrs(MAP_PROJECTION.EPSG_4326.getName());
 
 					GWT.log("Bounds is: " + mapBBOX);
 					GWT.log("MAX_WFS_FEATURES is: " + GeoportalDataViewerConstants.MAX_WFS_FEATURES);
@@ -254,10 +254,10 @@ public class LayerManager {
 												olMap.removeAllDetailLayers();
 											}
 											
-											if(queryEvent.getSourceMapEventType() != null && queryEvent.getSourceMapEventType().equals(MapEventType.MAP_ZOOM_END)) {
+//											if(queryEvent.getSourceMapEventType() != null && queryEvent.getSourceMapEventType().equals(MapEventType.MAP_ZOOM_END)) {
-												GWT.log("EVENT IS "+MapEventType.MAP_ZOOM_END +" retuning");
+//												GWT.log("EVENT IS "+MapEventType.MAP_ZOOM_END +" retuning");
-												return;
+//												return;
-											}
+//											}
 											
 											//Showing properties belonging to concessioni centroid layer
 											Map<String, List<String>> entries = feature.getMapProperties();
@@ -412,6 +412,7 @@ public class LayerManager {
 			@Override
 			public void onZoomOut(ZoomOutOverMinimumEvent zoomOutEvent) {
 				GWT.log("Fired into layerManagerBus " + zoomOutEvent);
+				olMap.removeAllDetailLayers();
 				applicationBus.fireEvent(zoomOutEvent);
 			}
 		});

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

@@ -1,11 +1,15 @@
 package org.gcube.portlets.user.geoportaldataviewer.client;
 
+import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerConstants.MAP_PROJECTION;
 import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerConstants.MapEventType;
 import org.gcube.portlets.user.geoportaldataviewer.client.events.QueryDataEvent;
 import org.gcube.portlets.user.geoportaldataviewer.client.events.ZoomOutOverMinimumEvent;
 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.OpenLayerOSM;
+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.ui.map.ExtentMapUtil.PLACE;
 import org.gcube.portlets.user.geoportaldataviewer.shared.gis.GeoQuery;
 import org.gcube.portlets.user.geoportaldataviewer.shared.gis.GeoQuery.TYPE;
 
@@ -15,7 +19,6 @@ import com.google.gwt.event.shared.HandlerManager;
 import ol.Coordinate;
 import ol.MapBrowserEvent;
 import ol.MapEvent;
-import ol.OLFactory;
 
 /**
  * The Class OLMapManager.
@@ -121,13 +124,17 @@ public class OLMapManager {
 		};
 
 		// EPSG_4326_TO_ITALY
-		Coordinate centerCoordinate = OLFactory.createCoordinate(GeoportalDataViewerConstants.ITALY_CENTER_LONG,
+//		Coordinate centerCoordinate = OLFactory.createCoordinate(GeoportalDataViewerConstants.ITALY_CENTER_LONG,
-				GeoportalDataViewerConstants.ITALY_CENTER_LAT);
+//				GeoportalDataViewerConstants.ITALY_CENTER_LAT);
-		Coordinate transformedCenterCoordinate = MapUtils.transformCoordiante(centerCoordinate,
+//		Coordinate transformedCenterCoordinate = MapUtils.transformCoordiante(centerCoordinate,
-				GeoportalDataViewerConstants.EPSG_4326, GeoportalDataViewerConstants.EPSG_3857);
+//				MAP_PROJECTION.EPSG_4326.getName(), MAP_PROJECTION.EPSG_3857.getName());
+//		olMap.setCenter(transformedCenterCoordinate);
+//		olMap.setZoom(GeoportalDataViewerConstants.MAP_ITALY_FIT_ZOOM_ON);
 
+		Location italyLocation = ExtentMapUtil.getLocation(PLACE.ITALY);
+		Coordinate transformedCenterCoordinate = italyLocation.getCoordinate(MAP_PROJECTION.EPSG_3857);
 		olMap.setCenter(transformedCenterCoordinate);
-		olMap.setZoom(GeoportalDataViewerConstants.MAP_ITALY_FIT_ZOOM_ON);
+		olMap.setZoom(italyLocation.getZoomLevel());
 
 	}
 

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

@@ -0,0 +1,52 @@
+package org.gcube.portlets.user.geoportaldataviewer.client.events;
+
+import org.gcube.portlets.user.geoportaldataviewer.client.ui.map.ExtentMapUtil.Location;
+
+import com.google.gwt.event.shared.GwtEvent;
+
+/**
+ * The Class MapExtentToEvent.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR (francesco.mangiacrapa@isti.cnr.it)
+ * 
+ *         Sep 1, 2021
+ */
+public class MapExtentToEvent extends GwtEvent<MapExtentToEventHandler> {
+	public static Type<MapExtentToEventHandler> TYPE = new Type<MapExtentToEventHandler>();
+	private Location location;
+
+	/**
+	 * Instantiates a new map extent to event.
+	 *
+	 * @param layerItem the layer item
+	 */
+	public MapExtentToEvent(Location location) {
+		this.location = location;
+	}
+
+	/**
+	 * Gets the associated type.
+	 *
+	 * @return the associated type
+	 */
+	@Override
+	public Type<MapExtentToEventHandler> getAssociatedType() {
+		return TYPE;
+	}
+
+	/**
+	 * Dispatch.
+	 *
+	 * @param handler the handler
+	 */
+	@Override
+	protected void dispatch(MapExtentToEventHandler handler) {
+		handler.onExtentEvent(this);
+
+	}
+
+	public Location getLocation() {
+		return location;
+	}
+
+}

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

@@ -0,0 +1,20 @@
+package org.gcube.portlets.user.geoportaldataviewer.client.events;
+
+import com.google.gwt.event.shared.EventHandler;
+
+/**
+ * The Interface MapExtentToEventHandler.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR (francesco.mangiacrapa@isti.cnr.it)
+ * 
+ *         Sep 1, 2021
+ */
+public interface MapExtentToEventHandler extends EventHandler {
+
+	/**
+	 * On extent event.
+	 *
+	 * @param mapExtentToEvent the map extent to event
+	 */
+	void onExtentEvent(MapExtentToEvent mapExtentToEvent);
+}

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

@@ -1,7 +1,7 @@
 package org.gcube.portlets.user.geoportaldataviewer.client.gis;
 
 import org.gcube.application.geoportalcommon.shared.gis.BoundsMap;
-import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerConstants;
+import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerConstants.MAP_PROJECTION;
 import org.gcube.portlets.user.geoportaldataviewer.client.resources.Images;
 import org.gcube.portlets.user.geoportaldataviewer.shared.gis.GeoQuery;
 import org.gcube.portlets.user.geoportaldataviewer.shared.gis.GeoQuery.TYPE;
@@ -39,14 +39,14 @@ import ol.style.Style;
 import ol.style.Text;
 import ol.style.TextOptions;
 
- /**
+/**
  * The Class LightOpenLayerOSM.
  *
  * @author Francesco Mangiacrapa at ISTI-CNR (francesco.mangiacrapa@isti.cnr.it)
  * 
  *         Nov 11, 2020
  */
- public class LightOpenLayerOSM {
+public class LightOpenLayerOSM {
 
 	/** The map. */
 	private Map map;
@@ -66,7 +66,6 @@ import ol.style.TextOptions;
 
 	private String markerURL = Images.ICONS.mapMarkerIcon().getURL();
 
-	
 	/**
 	 * Instantiates a new light open layer OSM.
 	 *
@@ -83,7 +82,7 @@ import ol.style.TextOptions;
 
 		Tile osmLayer = new Tile(osmLayerOptions);
 		// create a projection
-		projectionOptions.setCode(GeoportalDataViewerConstants.EPSG_3857);
+		projectionOptions.setCode(MAP_PROJECTION.EPSG_3857.getName());
 		projectionOptions.setUnits("m");
 
 		Projection projection = new Projection(projectionOptions);
@@ -101,7 +100,7 @@ import ol.style.TextOptions;
 		map = new Map(mapOptions);
 
 		map.addLayer(osmLayer);
-        //map.addLayer(tileDebugLayer);
+		// map.addLayer(tileDebugLayer);
 
 		Attribution attribution = new Attribution();
 		attribution.setCollapsed(true);
@@ -112,7 +111,7 @@ import ol.style.TextOptions;
 			public void onEvent(MapBrowserEvent event) {
 				// TODO Auto-generated method stub
 				Coordinate coordinate = event.getCoordinate();
-				if(isQueryPointActive) {
+				if (isQueryPointActive) {
 
 					double lon = coordinate.getX();
 					double lat = coordinate.getY();
@@ -125,17 +124,17 @@ import ol.style.TextOptions;
 					// where 10px is the pixel diameter dimension of the clicked point
 					double bboxWidth = Math.abs(getExtent().getLowerLeftX() - getExtent().getUpperRightX());
 					double geoWidth = (bboxWidth / w) * (20 / 2);
-					double x1 = Math.min(lon+geoWidth, lon-geoWidth);
+					double x1 = Math.min(lon + geoWidth, lon - geoWidth);
-					double x2 = Math.max(lon+geoWidth, lon-geoWidth);
+					double x2 = Math.max(lon + geoWidth, lon - geoWidth);
-					double y1 = Math.min(lat+geoWidth, lat-geoWidth);
+					double y1 = Math.min(lat + geoWidth, lat - geoWidth);
-					double y2 = Math.max(lat+geoWidth, lat-geoWidth);
+					double y2 = Math.max(lat + geoWidth, lat - geoWidth);
-					//GWT.log("("+x1+","+y1+")("+x2+","+y2+")");
+					// GWT.log("("+x1+","+y1+")("+x2+","+y2+")");
 
 //					Point pt = new Point(coordinate);
 //					ol.Extent extent = pt.getExtent();
 //					//new ClickDataInfo(x1, y1, x2, y2)
 //					SelectDataInfo selectDataInfo
-					//selectBox(new GeoQuery(x1, y1, x2, y2, GeoQuery.TYPE.POINT));
+					// selectBox(new GeoQuery(x1, y1, x2, y2, GeoQuery.TYPE.POINT));
 					GeoQuery select = new GeoQuery(x1, y1, x2, y2, TYPE.POINT);
 
 				}
@@ -150,7 +149,6 @@ import ol.style.TextOptions;
 
 	}
 
-	
 	/**
 	 * Sets the center.
 	 *
@@ -178,19 +176,19 @@ import ol.style.TextOptions;
 	 * @return the image
 	 */
 	public Image addWMSLayer(String mapServerHost, String layerName, BoundsMap bbox) {
-		GWT.log("Adding wmsLayer with mapServerHost: "+mapServerHost+", layerName: "+layerName);
+		GWT.log("Adding wmsLayer with mapServerHost: " + mapServerHost + ", layerName: " + layerName);
 
 		ImageWmsParams imageWMSParams = OLFactory.createOptions();
 		imageWMSParams.setLayers(layerName);
-		//imageWMSParams.setSize(new Size(400,400));
+		// imageWMSParams.setSize(new Size(400,400));
-		//imageWMSParams.setVersion("1.1.0");
+		// imageWMSParams.setVersion("1.1.0");
 //		if(bbox!=null)
 //			imageWMSParams.set("BBOX", bbox.getLowerLeftX()+","+bbox.getLowerLeftY()+","+bbox.getUpperRightX()+","+bbox.getUpperRightY());
 
 		ImageWmsOptions imageWMSOptions = OLFactory.createOptions();
 		imageWMSOptions.setUrl(mapServerHost);
 		imageWMSOptions.setParams(imageWMSParams);
-		//imageWMSOptions.setRatio(1.5f);
+		// imageWMSOptions.setRatio(1.5f);
 
 		ImageWms imageWMSSource = new ImageWms(imageWMSOptions);
 
@@ -198,26 +196,24 @@ import ol.style.TextOptions;
 		layerOptions.setSource(imageWMSSource);
 
 		ol.layer.Image wmsLayer = new ol.layer.Image(layerOptions);
-		//visibleLayerItems 
+		// visibleLayerItems
 		map.addLayer(wmsLayer);
 
 		return wmsLayer;
 	}
 
-	
 	/**
 	 * Gets the first layer.
 	 *
 	 * @return the first layer
 	 */
 	public Image getFirstLayer() {
-		if(map.getLayers()!=null) {
+		if (map.getLayers() != null) {
 			return (Image) map.getLayers().getArray()[0];
 		}
 		return null;
 	}
 
-	
 	/**
 	 * Adds the point.
 	 *
@@ -227,21 +223,21 @@ import ol.style.TextOptions;
 	 */
 	public void addPoint(Coordinate coordinate, boolean showCoordinateText, boolean asMarker) {
 
-		if(geometryLayer!=null) {
+		if (geometryLayer != null) {
 			map.removeLayer(geometryLayer);
-		}else {
+		} else {
 
 		}
 		Style style = new Style();
 
-		if(asMarker) {
+		if (asMarker) {
 			IconOptions iconOptions = new IconOptions();
 			iconOptions.setSrc(markerURL);
 			Icon icon = new Icon(iconOptions);
 			style.setImage(icon);
 		}
 
-		if(showCoordinateText) {
+		if (showCoordinateText) {
 			TextOptions textOptions = new TextOptions();
 			textOptions.setOffsetY(-25);
 //			StrokeOptions strokeOptions = new StrokeOptions();
@@ -253,10 +249,11 @@ import ol.style.TextOptions;
 //			fillOptions.setColor(new Color(0, 0, 0, 0.0));
 //			textOptions.setFill(new Fill(fillOptions));
 
-			Coordinate transfCoord = MapUtils.transformCoordiante(coordinate, GeoportalDataViewerConstants.EPSG_3857, GeoportalDataViewerConstants.EPSG_4326);
+			Coordinate transfCoord = MapUtils.transformCoordiante(coordinate, MAP_PROJECTION.EPSG_3857.getName(),
-			//DecimalFormat df = new DecimalFormat("#.####");
+					MAP_PROJECTION.EPSG_4326.getName());
+			// DecimalFormat df = new DecimalFormat("#.####");
 			NumberFormat fmt = NumberFormat.getFormat("#.####");
-			textOptions.setText("Long: "+fmt.format(transfCoord.getX()) + ", Lat: "+fmt.format(transfCoord.getY()));
+			textOptions.setText("Long: " + fmt.format(transfCoord.getX()) + ", Lat: " + fmt.format(transfCoord.getY()));
 
 			Text text = new Text(textOptions);
 //			FillOptions fillOptions = new FillOptions();
@@ -266,7 +263,6 @@ import ol.style.TextOptions;
 //			style.setFill(fill);
 			style.setText(text);
 
-
 		}
 		Point thePoint = new Point(coordinate);
 		Feature vf = new Feature(thePoint);
@@ -297,7 +293,6 @@ import ol.style.TextOptions;
 		return map.getView().getProjection().getCode();
 	}
 
-
 	/**
 	 * Gets the current zoom level.
 	 *
@@ -307,8 +302,6 @@ import ol.style.TextOptions;
 		return map.getView().getZoom();
 	}
 
-	
-	
 	/**
 	 * Gets the bbox.
 	 *
@@ -328,4 +321,3 @@ import ol.style.TextOptions;
 	}
 
 }
-

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

@@ -2,7 +2,7 @@ package org.gcube.portlets.user.geoportaldataviewer.client.gis;
 
 import java.util.HashMap;
 
-import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerConstants;
+import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerConstants.MAP_PROJECTION;
 import org.gcube.portlets.user.geoportaldataviewer.client.events.AddedLayerToMapEvent;
 import org.gcube.portlets.user.geoportaldataviewer.shared.gis.LayerItem;
 
@@ -51,7 +51,7 @@ import ol.source.Osm;
 import ol.source.Vector;
 import ol.source.XyzOptions;
 
-// TODO: Auto-generated Javadoc
+
 /**
  * The Class OpenLayerOSM.
  *
@@ -147,7 +147,7 @@ public abstract class OpenLayerOSM {
 
 		Tile osmLayer = new Tile(osmLayerOptions);
 		// create a projection
-		projectionOptions.setCode(GeoportalDataViewerConstants.EPSG_3857);
+		projectionOptions.setCode(MAP_PROJECTION.EPSG_3857.getName());
 		projectionOptions.setUnits("m");
 
 		Projection projection = new Projection(projectionOptions);
@@ -392,6 +392,8 @@ public abstract class OpenLayerOSM {
 		if (wmsDetailsLayerMap == null)
 			return;
 
+		GWT.log("Removing layers: " + wmsDetailsLayerMap.keySet() + " from map");
+
 		for (String key : wmsDetailsLayerMap.keySet()) {
 			Image layer = wmsDetailsLayerMap.get(key);
 			map.removeLayer(layer);

src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/resources/Images.java

@@ -16,4 +16,7 @@ public interface Images extends ClientBundle {
 	
 	@Source("icon_share.png")
 	ImageResource shareIcon();
+	
+	@Source("italy.png")
+	ImageResource italyIcon();
 }

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

@@ -3,7 +3,9 @@ package org.gcube.portlets.user.geoportaldataviewer.client.ui;
 import org.gcube.application.geoportalcommon.shared.GeoNaItemRef;
 import org.gcube.application.geoportalcommon.shared.products.ConcessioneDV;
 import org.gcube.application.geoportalcommon.shared.products.model.RecordDV;
+import org.gcube.portlets.user.geoportaldataviewer.client.events.MapExtentToEvent;
 import org.gcube.portlets.user.geoportaldataviewer.client.gis.OpenLayerOSM;
+import org.gcube.portlets.user.geoportaldataviewer.client.ui.map.ExtentMapUtil;
 
 import com.github.gwtbootstrap.client.ui.Button;
 import com.github.gwtbootstrap.client.ui.NavLink;
@@ -57,13 +59,15 @@ public class GeonaDataViewMainPanel extends Composite {
 	@UiField
 	DetailsPanel detailsPanel;
 
+	@UiField
+	Button extentToItaly;
+
 	private MapPanel mapPanel;
 
 	private OpenLayerOSM map;
 
 	private HandlerManager applicationBus;
 
-
 	/**
 	 * Instantiates a new geona data view main panel.
 	 *
@@ -73,8 +77,8 @@ public class GeonaDataViewMainPanel extends Composite {
 	public GeonaDataViewMainPanel(HandlerManager applicationBus, int mapHeight) {
 		initWidget(uiBinder.createAndBindUi(this));
 		this.applicationBus = applicationBus;
-		mapPanel = new MapPanel(mapHeight+"px");
+		mapPanel = new MapPanel(mapHeight + "px");
-		detailsPanel.setHeight(mapHeight+"px");
+		detailsPanel.setHeight(mapHeight + "px");
 		detailsPanel.setApplicationBus(applicationBus);
 		mainContainerPanel.add(mapPanel);
 		bindHandlers();
@@ -153,6 +157,15 @@ public class GeonaDataViewMainPanel extends Composite {
 			}
 		});
 
+		extentToItaly.addClickHandler(new ClickHandler() {
+
+			@Override
+			public void onClick(ClickEvent event) {
+				applicationBus.fireEvent(new MapExtentToEvent(ExtentMapUtil.getLocation(ExtentMapUtil.PLACE.ITALY)));
+
+			}
+		});
+
 	}
 
 	/**

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

@@ -7,6 +7,7 @@
 	.margin-right-10 {
 		margin-right: 10px;
 	}
+	
 	.font-weight-bold {
 		font-weight: bold;
 	}
@@ -19,8 +20,16 @@
 					<g:HTMLPanel ui:field="panelMI"
 						addStyleNames="info-interaction">
 						<g:Label>Map Interactions</g:Label>
-						<b:Paragraph><b:Icon type="CHECK_EMPTY"/> Use <code>Shift+Drag</code> to draw an extent for zoom in the Map</b:Paragraph>
+						<b:Paragraph>
-						<b:Paragraph><b:Icon type="HAND_UP"/> Click on the Points shown on the Map to view their features</b:Paragraph>
+							<b:Icon type="CHECK_EMPTY" />
+							Use
+							<code>Shift+Drag</code>
+							to draw an extent for zoom in the Map
+						</b:Paragraph>
+						<b:Paragraph>
+							<b:Icon type="HAND_UP" />
+							Click on the Points shown on the Map to view their features
+						</b:Paragraph>
 					</g:HTMLPanel>
 				</b:DropdownButton>
 				<b:DropdownButton type="LINK" text="Query"
@@ -33,6 +42,8 @@
 						Selection</b:NavLink>
 					<!-- </b:ButtonGroup> -->
 				</b:DropdownButton>
+				<b:Button type="LINK" ui:field="extentToItaly"
+					text="Extent"></b:Button>
 				<b:Button type="LINK" ui:field="removeQuery"
 					text="Remove Query" visible="false"></b:Button>
 			</g:HTMLPanel>

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

@@ -0,0 +1,170 @@
+package org.gcube.portlets.user.geoportaldataviewer.client.ui.map;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerConstants;
+import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerConstants.MAP_PROJECTION;
+import org.gcube.portlets.user.geoportaldataviewer.client.gis.MapUtils;
+
+import ol.Coordinate;
+import ol.OLFactory;
+
+/**
+ * The Class ExtentMapUtil.
+ *
+ * @author Francesco Mangiacrapa at ISTI-CNR (francesco.mangiacrapa@isti.cnr.it)
+ * 
+ *         Sep 1, 2021
+ */
+public class ExtentMapUtil {
+
+	/**
+	 * The Enum PLACE.
+	 *
+	 * @author Francesco Mangiacrapa at ISTI-CNR (francesco.mangiacrapa@isti.cnr.it)
+	 * 
+	 *         Sep 1, 2021
+	 */
+	public static enum PLACE {
+		ITALY
+	}
+
+	final static Map<PLACE, Location> mapExtent = new HashMap<PLACE, Location>();
+
+	static {
+
+		// EPSG_4326 ITALY LOCATION
+		Location location = new Location(PLACE.ITALY.name(), GeoportalDataViewerConstants.ITALY_CENTER_LONG,
+				GeoportalDataViewerConstants.ITALY_CENTER_LAT, MAP_PROJECTION.EPSG_4326,
+				GeoportalDataViewerConstants.MAP_ITALY_FIT_ZOOM_ON);
+
+		mapExtent.put(PLACE.ITALY, location);
+
+	}
+
+	public static Location getLocation(PLACE place) {
+		return mapExtent.get(place);
+	}
+
+	/**
+	 * The Class Location.
+	 *
+	 * @author Francesco Mangiacrapa at ISTI-CNR (francesco.mangiacrapa@isti.cnr.it)
+	 * 
+	 *         Sep 1, 2021
+	 */
+	public static class Location {
+		public String name;
+		public double coordinateX;
+		public double coordinateY;
+		public MAP_PROJECTION projection;
+		public int zoomLevel;
+
+		/**
+		 * Instantiates a new location.
+		 *
+		 * @param name        the name
+		 * @param coordinateX the coordinate X
+		 * @param coordinateY the coordinate Y
+		 * @param projection  the projection
+		 * @param zoomLevel   the zoom level
+		 */
+		public Location(String name, double coordinateX, double coordinateY, MAP_PROJECTION projection, int zoomLevel) {
+			super();
+			this.name = name;
+			this.coordinateX = coordinateX;
+			this.coordinateY = coordinateY;
+			this.projection = projection;
+			this.zoomLevel = zoomLevel;
+		}
+
+		/**
+		 * Gets the name.
+		 *
+		 * @return the name
+		 */
+		public String getName() {
+			return name;
+		}
+
+		/**
+		 * Gets the coordinate X.
+		 *
+		 * @return the coordinate X
+		 */
+		public double getCoordinateX() {
+			return coordinateX;
+		}
+
+		/**
+		 * Gets the coordinate Y.
+		 *
+		 * @return the coordinate Y
+		 */
+		public double getCoordinateY() {
+			return coordinateY;
+		}
+
+		/**
+		 * Gets the projection.
+		 *
+		 * @return the projection
+		 */
+		public MAP_PROJECTION getProjection() {
+			return projection;
+		}
+
+		/**
+		 * Gets the zoom level.
+		 *
+		 * @return the zoom level
+		 */
+		public int getZoomLevel() {
+			return zoomLevel;
+		}
+
+		/**
+		 * Gets the coordinate.
+		 *
+		 * @param targetProjection the target projection
+		 * @return the coordinate
+		 */
+		public Coordinate getCoordinate(MAP_PROJECTION targetProjection) {
+
+			Coordinate coordinate = OLFactory.createCoordinate(coordinateX, coordinateY);
+			if (projection.equals(targetProjection)) {
+				return coordinate;
+			} else {
+				Coordinate transformedCenterCoordinate = MapUtils.transformCoordiante(coordinate, projection.getName(),
+						targetProjection.getName());
+				return transformedCenterCoordinate;
+			}
+
+		}
+
+		/**
+		 * To string.
+		 *
+		 * @return the string
+		 */
+		@Override
+		public String toString() {
+			StringBuilder builder = new StringBuilder();
+			builder.append("Location [name=");
+			builder.append(name);
+			builder.append(", coordinateX=");
+			builder.append(coordinateX);
+			builder.append(", coordinateY=");
+			builder.append(coordinateY);
+			builder.append(", projection=");
+			builder.append(projection);
+			builder.append(", zoomLevel=");
+			builder.append(zoomLevel);
+			builder.append("]");
+			return builder.toString();
+		}
+
+	}
+
+}

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

@@ -2,9 +2,12 @@ package org.gcube.portlets.user.geoportaldataviewer.client.ui.map;
 
 import org.gcube.application.geoportalcommon.shared.gis.BoundsMap;
 import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerConstants;
+import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerConstants.MAP_PROJECTION;
 import org.gcube.portlets.user.geoportaldataviewer.client.gis.ExtentWrapped;
 import org.gcube.portlets.user.geoportaldataviewer.client.gis.LightOpenLayerOSM;
 import org.gcube.portlets.user.geoportaldataviewer.client.gis.MapUtils;
+import org.gcube.portlets.user.geoportaldataviewer.client.ui.map.ExtentMapUtil.Location;
+import org.gcube.portlets.user.geoportaldataviewer.client.ui.map.ExtentMapUtil.PLACE;
 
 import com.google.gwt.core.client.GWT;
 import com.google.gwt.core.client.Scheduler;
@@ -67,12 +70,18 @@ import ol.OLFactory;
 			@Override
 			public void execute() {
 				olsm = new LightOpenLayerOSM(theMapId);
-		        //EPSG_4326_TO_ITALY
-		        Coordinate centerCoordinate = OLFactory.createCoordinate(GeoportalDataViewerConstants.ITALY_CENTER_LONG, GeoportalDataViewerConstants.ITALY_CENTER_LAT);
-		        Coordinate transformedCenterCoordinate = MapUtils.transformCoordiante(centerCoordinate, GeoportalDataViewerConstants.EPSG_4326, GeoportalDataViewerConstants.EPSG_3857);
 				
+		        //EPSG_3857 LOCATION TO ITALY
+				Location italyLocation = ExtentMapUtil.getLocation(PLACE.ITALY);
+				Coordinate transformedCenterCoordinate = italyLocation.getCoordinate(MAP_PROJECTION.EPSG_3857);
 		        olsm.setCenter(transformedCenterCoordinate);
 		        olsm.setZoom(GeoportalDataViewerConstants.LIGHT_MAP_ITALY_FIT_ZOOM_ON);
+				
+//		        Coordinate centerCoordinate = OLFactory.createCoordinate(GeoportalDataViewerConstants.ITALY_CENTER_LONG, GeoportalDataViewerConstants.ITALY_CENTER_LAT);
+//		        Coordinate transformedCenterCoordinate = MapUtils.transformCoordiante(centerCoordinate, GeoportalDataViewerConstants.EPSG_4326, GeoportalDataViewerConstants.EPSG_3857);
+//		        olsm.setCenter(transformedCenterCoordinate);
+//		        olsm.setZoom(GeoportalDataViewerConstants.LIGHT_MAP_ITALY_FIT_ZOOM_ON);
+		        
 		        //setMapSize();
 		        
 			}
@@ -136,14 +145,13 @@ import ol.OLFactory;
 				
 				if (bbox != null) {
 					
-
 					Coordinate lower = OLFactory.createCoordinate(bbox.getLowerLeftX(), bbox.getLowerLeftY());
-					Coordinate lowerCoord = MapUtils.transformCoordiante(lower, GeoportalDataViewerConstants.EPSG_4326,
+					Coordinate lowerCoord = MapUtils.transformCoordiante(lower, MAP_PROJECTION.EPSG_4326.getName(),
-							GeoportalDataViewerConstants.EPSG_3857);
+							MAP_PROJECTION.EPSG_3857.getName());
 
 					Coordinate upper = OLFactory.createCoordinate(bbox.getUpperRightX(), bbox.getUpperRightY());
-					Coordinate upperCoord = MapUtils.transformCoordiante(upper, GeoportalDataViewerConstants.EPSG_4326,
+					Coordinate upperCoord = MapUtils.transformCoordiante(upper, MAP_PROJECTION.EPSG_4326.getName(),
-							GeoportalDataViewerConstants.EPSG_3857);
+							MAP_PROJECTION.EPSG_3857.getName());
 					
 					ew = new ExtentWrapped(lowerCoord.getX(), lowerCoord.getY(), upperCoord.getX(), upperCoord.getY());
 					theBBOX = new BoundsMap(lowerCoord.getX(), lowerCoord.getY(), upperCoord.getX(), upperCoord.getY(), null);

src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/ui/products/concessioni/ConcessioneView.java

@@ -9,11 +9,15 @@ import org.gcube.application.geoportalcommon.shared.products.model.AbstractRelaz
 import org.gcube.application.geoportalcommon.shared.products.model.LayerConcessioneDV;
 import org.gcube.application.geoportalcommon.shared.products.model.UploadedImageDV;
 import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerConstants;
+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.gis.MapUtils;
 import org.gcube.portlets.user.geoportaldataviewer.client.ui.ModalWindow;
 import org.gcube.portlets.user.geoportaldataviewer.client.ui.dialogs.DialogShareableLink;
 import org.gcube.portlets.user.geoportaldataviewer.client.ui.gallery.ImagesGallery;
+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.ui.map.ExtentMapUtil.PLACE;
 import org.gcube.portlets.user.geoportaldataviewer.client.ui.map.MapView;
 import org.gcube.portlets.user.geoportaldataviewer.client.ui.util.CustomFlexTable;
 
@@ -35,7 +39,6 @@ import com.google.gwt.user.client.ui.HTMLPanel;
 import com.google.gwt.user.client.ui.Widget;
 
 import ol.Coordinate;
-import ol.OLFactory;
 
 public class ConcessioneView extends Composite {
 	
@@ -300,13 +303,15 @@ public class ConcessioneView extends Composite {
 	}
 
 	private void addCentroidMap() {
-		Coordinate centerCoordinate = OLFactory.createCoordinate(GeoportalDataViewerConstants.ITALY_CENTER_LONG, GeoportalDataViewerConstants.ITALY_CENTER_LAT);
+//		Coordinate centerCoordinate = OLFactory.createCoordinate(GeoportalDataViewerConstants.ITALY_CENTER_LONG, GeoportalDataViewerConstants.ITALY_CENTER_LAT);
-	    Coordinate transformedCenterCoordinate = MapUtils.transformCoordiante(centerCoordinate, GeoportalDataViewerConstants.EPSG_4326, GeoportalDataViewerConstants.EPSG_3857);
+//	    Coordinate transformedCenterCoordinate = MapUtils.transformCoordiante(centerCoordinate, GeoportalDataViewerConstants.EPSG_4326, GeoportalDataViewerConstants.EPSG_3857);
+		Location italyLocation = ExtentMapUtil.getLocation(PLACE.ITALY);
+		Coordinate transformedCenterCoordinate = italyLocation.getCoordinate(MAP_PROJECTION.EPSG_3857);	
 		MapView mapView = new MapView(transformedCenterCoordinate, GeoportalDataViewerConstants.LIGHT_MAP_ITALY_FIT_ZOOM_ON, "70%", "300px");
 		
 		if(concessioneDV!=null && concessioneDV.getCentroidLat()!=null && concessioneDV.getCentroidLong()!=null) {
 			Coordinate coord = new Coordinate(concessioneDV.getCentroidLong(), concessioneDV.getCentroidLat());
-			Coordinate transfCoord = MapUtils.transformCoordiante(coord, GeoportalDataViewerConstants.EPSG_4326, GeoportalDataViewerConstants.EPSG_3857);
+			Coordinate transfCoord = MapUtils.transformCoordiante(coord, MAP_PROJECTION.EPSG_4326.getName(), MAP_PROJECTION.EPSG_3857.getName());
 			//Coordinate invertedCoordinate = MapUtils.reverseCoordinate(coord);
 			boolean authenticatedUser = myLogin!=null?true:false;
 			mapView.addMarker(transfCoord, authenticatedUser);

src/main/java/org/gcube/portlets/user/geoportaldataviewer/client/ui/products/concessioni/LayerConcessioneView.java

@@ -2,7 +2,10 @@ package org.gcube.portlets.user.geoportaldataviewer.client.ui.products.concessio
 
 import org.gcube.application.geoportalcommon.shared.products.model.LayerConcessioneDV;
 import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerConstants;
-import org.gcube.portlets.user.geoportaldataviewer.client.gis.MapUtils;
+import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerConstants.MAP_PROJECTION;
+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.ui.map.ExtentMapUtil.PLACE;
 import org.gcube.portlets.user.geoportaldataviewer.client.ui.map.MapView;
 import org.gcube.portlets.user.geoportaldataviewer.client.ui.util.CustomFlexTable;
 
@@ -14,7 +17,6 @@ import com.google.gwt.user.client.ui.HTMLPanel;
 import com.google.gwt.user.client.ui.Widget;
 
 import ol.Coordinate;
-import ol.OLFactory;
 
 public class LayerConcessioneView extends Composite {
 
@@ -44,8 +46,12 @@ public class LayerConcessioneView extends Composite {
 		
 		GWT.log("WMS LINK: "+layerDV.getWmsLink());
 		if(layerDV.getLayerName()!=null && layerDV.getWmsLink()!=null) {
-			Coordinate centerCoordinate = OLFactory.createCoordinate(GeoportalDataViewerConstants.ITALY_CENTER_LONG, GeoportalDataViewerConstants.ITALY_CENTER_LAT);
+			
-		    Coordinate transformedCenterCoordinate = MapUtils.transformCoordiante(centerCoordinate, GeoportalDataViewerConstants.EPSG_4326, GeoportalDataViewerConstants.EPSG_3857);
+			
+			Location italyLocation = ExtentMapUtil.getLocation(PLACE.ITALY);
+			Coordinate transformedCenterCoordinate = italyLocation.getCoordinate(MAP_PROJECTION.EPSG_3857);	
+//			Coordinate centerCoordinate = OLFactory.createCoordinate(GeoportalDataViewerConstants.ITALY_CENTER_LONG, GeoportalDataViewerConstants.ITALY_CENTER_LAT);
+//		    Coordinate transformedCenterCoordinate = MapUtils.transformCoordiante(centerCoordinate, MAP_PROJECTION.EPSG_4326.getName(), MAP_PROJECTION.EPSG_3857.getName());
 			MapView mapView = new MapView(transformedCenterCoordinate, GeoportalDataViewerConstants.LIGHT_MAP_ITALY_FIT_ZOOM_ON, "70%", "300px");
 			
 			mapViewPanel.add(mapView);