386 lines
13 KiB
Java
386 lines
13 KiB
Java
package org.gcube.portlets.user.geoportaldataviewer.client;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import org.gcube.portlets.user.geoportaldataviewer.client.GeoportalDataViewerConstants.LayerType;
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import org.gcube.portlets.user.geoportaldataviewer.client.events.QueryDataEvent;
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import org.gcube.portlets.user.geoportaldataviewer.client.events.QueryDataEventHandler;
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import org.gcube.portlets.user.geoportaldataviewer.client.events.ShowDetailsEvent;
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import org.gcube.portlets.user.geoportaldataviewer.client.gis.OpenLayerOSM;
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import org.gcube.portlets.user.geoportaldataviewer.client.util.URLUtil;
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import org.gcube.portlets.user.geoportaldataviewer.shared.GeoNaDataObject;
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import org.gcube.portlets.user.geoportaldataviewer.shared.ProductType;
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import org.gcube.portlets.user.geoportaldataviewer.shared.gis.BoundsMap;
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import org.gcube.portlets.user.geoportaldataviewer.shared.gis.GeoQuery;
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import org.gcube.portlets.user.geoportaldataviewer.shared.gis.LayerItem;
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import org.gcube.portlets.user.geoportaldataviewer.shared.gis.wfs.FeatureRow;
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import org.gcube.portlets.user.geoportaldataviewer.shared.gis.wms.GeoInformationForWMSRequest;
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import org.gcube.portlets.user.geoportaldataviewer.shared.gis.wms.ZAxis;
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import com.github.gwtbootstrap.client.ui.Button;
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import com.github.gwtbootstrap.client.ui.constants.ButtonType;
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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.event.dom.client.ClickEvent;
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import com.google.gwt.event.dom.client.ClickHandler;
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import com.google.gwt.event.shared.HandlerManager;
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import com.google.gwt.user.client.DOM;
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import com.google.gwt.user.client.Element;
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import com.google.gwt.user.client.Event;
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import com.google.gwt.user.client.EventListener;
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import com.google.gwt.user.client.Window;
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import com.google.gwt.user.client.rpc.AsyncCallback;
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import com.google.gwt.user.client.ui.FlexTable;
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import com.google.gwt.user.client.ui.HTML;
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import com.google.gwt.user.client.ui.VerticalPanel;
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import ol.Coordinate;
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/**
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* The Class LayerManager.
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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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* Oct 27, 2020
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*/
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public class LayerManager {
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/** The ol map. */
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private OpenLayerOSM olMap;
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/** The layer items. */
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private List<LayerItem> layerItems = new ArrayList<LayerItem>();
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private HandlerManager eventBus = new HandlerManager("");
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private HandlerManager applicationBus;
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/**
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* Instantiates a new layer manager.
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* @param applicationBus
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*/
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public LayerManager(HandlerManager applicationBus) {
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this.applicationBus = applicationBus;
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bindEvents();
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}
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private void bindEvents() {
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eventBus.addHandler(QueryDataEvent.TYPE, new QueryDataEventHandler() {
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@Override
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public void onQueryInteraction(final QueryDataEvent queryEvent) {
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if(queryEvent.getGeoQuery()!=null) {
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GeoQuery selectDataInfo = queryEvent.getGeoQuery();
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GWT.log("("+selectDataInfo.getX1()+","+selectDataInfo.getY1()+")("+selectDataInfo.getX2()+","+selectDataInfo.getY2()+")");
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for (LayerItem layerItem : layerItems){
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//TODO
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isLayerVisible(layerItem);
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}
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BoundsMap mapBBOX = new BoundsMap();
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//THIS IS SHOULD BE CORRET, THE BOUND AND CRS ARE READ FROM MAP
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/*mapBBOX.setCrs(olMap.getProjectionCode());
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mapBBOX.setLowerLeftX(olMap.getExtent().getLowerLeftX());
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mapBBOX.setLowerLeftY(olMap.getExtent().getLowerLeftY());
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mapBBOX.setUpperRightX(olMap.getExtent().getUpperRightX());
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mapBBOX.setUpperRightY(olMap.getExtent().getUpperRightY());
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*/
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//THE FOLLOWING SHOULD BE NOT NEEDED BUT THE GETFEATURE WITH EPSG_3857 SEEMS NOT WORK IN OUR GEOSERVER
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// double minX = olMap.getExtent().getLowerLeftX();
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// double minY = olMap.getExtent().getLowerLeftY();
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double minX = queryEvent.getGeoQuery().getX1();
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double minY = queryEvent.getGeoQuery().getY1();
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Coordinate centerCoordinate = new Coordinate(minX, minY);
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centerCoordinate = olMap.transform(centerCoordinate, GeoportalDataViewerConstants.EPSG_3857, GeoportalDataViewerConstants.EPSG_4326);
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mapBBOX.setLowerLeftX(centerCoordinate.getX());
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mapBBOX.setLowerLeftY(centerCoordinate.getY());
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// double maxX = olMap.getExtent().getUpperRightX();
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// double maxY = olMap.getExtent().getUpperRightY();
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double maxX = queryEvent.getGeoQuery().getX2();
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double maxY = queryEvent.getGeoQuery().getY2();
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centerCoordinate = new Coordinate(maxX,maxY);
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centerCoordinate = olMap.transform(centerCoordinate, GeoportalDataViewerConstants.EPSG_3857, GeoportalDataViewerConstants.EPSG_4326);
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mapBBOX.setUpperRightX(centerCoordinate.getX());
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mapBBOX.setUpperRightY(centerCoordinate.getY());
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mapBBOX.setCrs(GeoportalDataViewerConstants.EPSG_4326);
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GWT.log("Bounds is: "+mapBBOX);
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GeoportalDataViewerServiceAsync.Util.getInstance().getDataResult(layerItems, olMap.getProjectionCode(), mapBBOX, GeoportalDataViewerConstants.MAX_WFS_FEATURES, olMap.getCurrentZoomLevel(), new AsyncCallback<List<GeoNaDataObject>>() {
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@Override
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public void onFailure(Throwable caught) {
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}
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@Override
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public void onSuccess(List<GeoNaDataObject> result) {
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if(result==null || result.isEmpty())
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return;
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GWT.log("Data result: "+result);
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FlexTable flex = new FlexTable();
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flex.setCellPadding(1);
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flex.setCellSpacing(1);
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flex.getElement().addClassName("popup-table");
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boolean featureFound = false;
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FeatureRow feature = null;
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for (GeoNaDataObject geoNaDataObject : result) {
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List<FeatureRow> features = geoNaDataObject.getFeatures();
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if(features!=null && features.size()>0) {
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feature = features.get(0);
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Map<String, List<String>> entries = features.get(0).getMapProperties();
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for (String key : entries.keySet()) {
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if(key.equalsIgnoreCase("nome")) {
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flex.setHTML(0, 0, new HTML(entries.get(key).get(0)).toString());
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}
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else if(key.equalsIgnoreCase("descrizione")) {
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flex.setText(1, 0, entries.get(key).get(0));
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}else if(key.equalsIgnoreCase("date_scavo")) {
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flex.setHTML(2, 0, new HTML("<code>"+entries.get(key).get(0)).toString()+"</code>");
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}
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}
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featureFound = true;
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break; //Only the first one
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}
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}
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FeatureRow theFeature = feature;
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Button button = null;
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if(!featureFound) {
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flex.setHTML(0, 0, new HTML("No data available").toString());
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}else {
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button = new Button("Open Details");
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button.getElement().setId("open-details");
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button.setType(ButtonType.LINK);
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}
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VerticalPanel vpPanel = new VerticalPanel();
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vpPanel.add(flex);
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if(button!=null)
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vpPanel.add(button);
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olMap.showPopup(vpPanel.toString(), queryEvent.getoLCoordinate());
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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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Element buttonElement = DOM.getElementById("open-details");
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Event.sinkEvents(buttonElement, Event.ONCLICK);
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Event.setEventListener(buttonElement, new EventListener() {
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@Override
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public void onBrowserEvent(Event event) {
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if(Event.ONCLICK == event.getTypeInt()) {
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applicationBus.fireEvent(new ShowDetailsEvent(ProductType.CONCESSIONE, theFeature));
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}
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}
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});
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}
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});
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button.setType(ButtonType.LINK);
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button.addClickHandler(new ClickHandler() {
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@Override
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public void onClick(ClickEvent event) {
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GWT.log("qui");
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applicationBus.fireEvent(new ShowDetailsEvent(ProductType.CONCESSIONE, theFeature));
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}
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});
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}
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});
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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 layer by wms.
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*
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* @param layerTitle the layer title
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* @param layerName the layer name
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* @param wmsRequest the wms request
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* @param isBase the is base
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* @param UUID the uuid
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*/
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public void addLayerByWms(String layerTitle, String layerName, String wmsRequest, boolean isBase, String UUID) {
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boolean displayInLayerSwitcher = false;
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if(isBase)
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displayInLayerSwitcher = true;
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addLayerByWmsRequest(layerTitle, layerName, wmsRequest, isBase, displayInLayerSwitcher, UUID, true);
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}
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/**
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* Adds the layer by wms request.
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*
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* @param layerTitle the layer title
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* @param layerName the layer name
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* @param wmsRequest the wms request
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* @param isBase the is base
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* @param displayInLayerSwitcher the display in layer switcher
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* @param UUID the uuid
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* @param onTop the on top
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*/
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public void addLayerByWmsRequest(final String layerTitle, final String layerName, final String wmsRequest, final boolean isBase,final boolean displayInLayerSwitcher, final String UUID, final boolean onTop) {
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// final LayoutContainer westPanel = (LayoutContainer) layersPanel.getParent();
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//
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// if(layersPanel.getLayerItems().size()==0)
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// westPanel.mask("Adding..."+layerName, "x-mask-loading");
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// else
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// layersPanel.mask("Adding..."+layerName, "x-mask-loading");
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final LayerType featureType = isBase?LayerType.RASTER_BASELAYER:LayerType.FEATURE_TYPE;
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// Info.display("Adding Layer", layerName);
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GeoportalDataViewerServiceAsync.Util.getInstance().parseWmsRequest(wmsRequest, layerName, new AsyncCallback<GeoInformationForWMSRequest>() {
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@Override
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public void onFailure(Throwable caught) {
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Window.alert(caught.getMessage());
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}
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@Override
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public void onSuccess(GeoInformationForWMSRequest result) {
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GWT.log("Add Layer By WMS: "+result.getMapWMSNoStandard() + ", and isNCWMS? "+result.isNcWMS());
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addLayerByWms(featureType, layerTitle, layerName, result.getWmsRequest(), result.getBaseWmsServiceHost(), true, isBase, displayInLayerSwitcher, (ArrayList<String>) result.getStyles().getGeoStyles(), result.getWmsRequest(), false, result.getMapWMSNoStandard(), result.isNcWMS(), UUID, result.getZAxis());
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}
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});
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}
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/**
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* Adds the layer by wms.
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*
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* @param layerType the layer type
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* @param layerTitle the layer title
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* @param layerName the layer name
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* @param layerURL the layer URL
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* @param mapServerHost the map server host
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* @param isExternal the is external
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* @param isBase the is base
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* @param displayInLayerSwitcher the display in layer switcher
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* @param styles the styles
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* @param serverWmsRequest the server wms request
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* @param onTop the on top
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* @param wmsNotStandardParams the wms not standard params
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* @param isNcWms the is nc wms
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* @param UUID the uuid
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* @param zAxis the z axis
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*/
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private void addLayerByWms(LayerType layerType, String layerTitle, String layerName, String layerURL, String mapServerHost, boolean isExternal, boolean isBase, boolean displayInLayerSwitcher, ArrayList<String> styles, String serverWmsRequest, boolean onTop, HashMap<String, String> wmsNotStandardParams, boolean isNcWms, String UUID, ZAxis zAxis) {
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// GWT.log("Add addLayerByWms 1");
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LayerItem layerItem = new LayerItem();
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layerItem.setBaseLayer(isBase);
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layerItem.setTitle(layerTitle);
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layerItem.setName(layerName);
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layerItem.setUrl(layerURL);
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layerItem.setMapServerHost(mapServerHost);
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//l.setExternal(isExternal);
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layerItem.setOpacity(1d);
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layerItem.setBuffer(2);
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layerItem.setServerWmsRequest(serverWmsRequest);
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layerItem.setWmsNotStandardParams(wmsNotStandardParams);
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layerItem.setNcWms(isNcWms);
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layerItem.setUUID(UUID);
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layerItem.setZAxis(zAxis);
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switch (layerType) {
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//TODO IMPLEMENT THIS CASE
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case RASTER_BASELAYER:
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// l.setHasLegend(false);
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layerItem.setBaseLayer(true);
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layerItem.setTrasparent(false);
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layerItem.setClickData(false);
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break;
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case FEATURE_TYPE:
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//CASE FEATURE TYPE
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layerItem.setBaseLayer(false);
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layerItem.setClickData(true);
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layerItem.setTrasparent(true);
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break;
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}
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GWT.log("styles "+styles);
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if(styles!=null && styles.size()>0){
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layerItem.setHasLegend(true);
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layerItem.setDefaultStyle(styles.get(0));
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layerItem.setStyle(styles.get(0));
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layerItem.setStyles(styles);
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}else{
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String style = URLUtil.getValueOfParameter("styles", serverWmsRequest);
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if(style!=null){ //CASE OF STYLE ="";
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//TENTATIVE TO GET LEGEND
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layerItem.setHasLegend(true);
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}
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}
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GWT.log("Built layer: "+layerItem);
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layerItems.add(layerItem);
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olMap.addWMSLayer(layerItem.getMapServerHost(), layerName);
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// openLayersMap.addLayerItemByWms(l, displayInLayerSwitcher);
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// layersPanel.addLayerItems(layerItems, onTop);
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// layersPanel.updateLayersOrder();
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}
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/**
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* Checks if is layer visible.
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*
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* @param layerItem the layer item
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* @return true, if is layer visible
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*/
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public boolean isLayerVisible(LayerItem layerItem){
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return olMap.isLayerVisible(layerItem.getName());
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}
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/**
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* Sets the ol map.
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*
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* @param olMap the new ol map
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*/
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public void setOlMap(OpenLayerOSM olMap) {
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this.olMap = olMap;
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}
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public HandlerManager getEventBus() {
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return eventBus;
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}
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}
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