135 lines
4.2 KiB
Java
135 lines
4.2 KiB
Java
package org.gcube.portlets.user.geoportaldataviewer.client.ui.map;
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import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerConstants;
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import org.gcube.portlets.user.geoportaldataviewer.client.gis.ExtentWrapped;
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import org.gcube.portlets.user.geoportaldataviewer.client.gis.LightOpenLayerOSM;
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import org.gcube.portlets.user.geoportaldataviewer.client.gis.MapUtils;
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import org.gcube.portlets.user.geoportaldataviewer.shared.gis.BoundsMap;
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import com.google.gwt.core.client.GWT;
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import com.google.gwt.core.client.Scheduler;
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import com.google.gwt.core.client.Scheduler.ScheduledCommand;
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import com.google.gwt.uibinder.client.UiBinder;
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import com.google.gwt.uibinder.client.UiField;
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import com.google.gwt.user.client.Random;
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import com.google.gwt.user.client.ui.Composite;
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import com.google.gwt.user.client.ui.HTMLPanel;
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import com.google.gwt.user.client.ui.HorizontalPanel;
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import com.google.gwt.user.client.ui.Widget;
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import ol.Coordinate;
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import ol.OLFactory;
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/**
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* The Class MapView.
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*
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* @author Francesco Mangiacrapa at ISTI-CNR (francesco.mangiacrapa@isti.cnr.it)
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*
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* Nov 11, 2020
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*/
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public class MapView extends Composite{
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private static MapViewUiBinder uiBinder = GWT.create(MapViewUiBinder.class);
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/**
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* The Interface MapViewUiBinder.
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*
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* @author Francesco Mangiacrapa at ISTI-CNR (francesco.mangiacrapa@isti.cnr.it)
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*
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* Nov 11, 2020
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*/
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interface MapViewUiBinder extends UiBinder<Widget, MapView> {
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}
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@UiField
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HTMLPanel theMap;
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@UiField
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HorizontalPanel coordinatePanel;
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private LightOpenLayerOSM olsm;
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/**
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* Instantiates a new map view.
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*/
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public MapView() {
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initWidget(uiBinder.createAndBindUi(this));
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String theMapId = "map"+Random.nextInt();
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theMap.getElement().setId(theMapId);
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Scheduler.get().scheduleDeferred(new ScheduledCommand() {
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@Override
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public void execute() {
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olsm = new LightOpenLayerOSM(theMapId);
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//EPSG_4326_TO_ITALY
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Coordinate centerCoordinate = OLFactory.createCoordinate(GeoportalDataViewerConstants.ITALY_CENTER_LONG, GeoportalDataViewerConstants.ITALY_CENTER_LAT);
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Coordinate transformedCenterCoordinate = MapUtils.transformCoordiante(centerCoordinate, GeoportalDataViewerConstants.EPSG_4326, GeoportalDataViewerConstants.EPSG_3857);
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olsm.setCenter(transformedCenterCoordinate);
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olsm.setZoom(GeoportalDataViewerConstants.ITALY_FIT_ZOOM_ON);
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}
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});
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}
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/**
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* Adds the marker.
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*
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* @param coordinate the coordinate
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* @param showCoordinateText the show coordinate text
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*/
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public void addMarker(Coordinate coordinate, boolean showCoordinateText) {
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Scheduler.get().scheduleDeferred(new ScheduledCommand() {
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@Override
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public void execute() {
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if(olsm!=null) {
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olsm.addPoint(coordinate, showCoordinateText, true);
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olsm.getMap().getView().setCenter(coordinate);
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}
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}
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});
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}
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/**
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* Adds the WMS layer.
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*
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* @param mapServerHost the map server host
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* @param layerName the layer name
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* @param bbox the bbox
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*/
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public void addWMSLayer(String mapServerHost, String layerName, BoundsMap bbox) {
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Scheduler.get().scheduleDeferred(new ScheduledCommand() {
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@Override
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public void execute() {
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olsm.addWMSLayer(mapServerHost, layerName);
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if (bbox != null) {
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Coordinate lower = OLFactory.createCoordinate(bbox.getLowerLeftX(), bbox.getLowerLeftY());
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Coordinate lowerCoord = MapUtils.transformCoordiante(lower, GeoportalDataViewerConstants.EPSG_4326,
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GeoportalDataViewerConstants.EPSG_3857);
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Coordinate upper = OLFactory.createCoordinate(bbox.getUpperRightX(), bbox.getUpperRightY());
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Coordinate upperCoord = MapUtils.transformCoordiante(upper, GeoportalDataViewerConstants.EPSG_4326,
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GeoportalDataViewerConstants.EPSG_3857);
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ExtentWrapped ew = new ExtentWrapped(lowerCoord.getX(), lowerCoord.getY(), upperCoord.getX(),
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upperCoord.getY());
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//Coordinate center = ew.getCenter();
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//GWT.log("center: "+center);
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//Coordinate invertCoordinate = new Coordinate(center.getY(), center.getX());
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// Size size = new Size(300, 300);
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//olsm.getMap().getView().setCenter(invertCoordinate);
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olsm.getMap().getView().fit(ew);
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}
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}
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});
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}
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}
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