349 lines
12 KiB
Java
349 lines
12 KiB
Java
package org.gcube.portlets.user.geoportaldataviewer.client;
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import java.util.Iterator;
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import org.gcube.application.geoportalcommon.shared.GeoNaDataViewerProfile;
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import org.gcube.application.geoportalcommon.shared.GeoNaItemRef;
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import org.gcube.application.geoportalcommon.shared.LayerItem;
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import org.gcube.application.geoportalcommon.shared.products.ConcessioneDV;
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import org.gcube.application.geoportalcommon.shared.products.model.RecordDV;
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import org.gcube.portlets.user.geoportaldataviewer.client.events.AddedLayerToMapEvent;
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import org.gcube.portlets.user.geoportaldataviewer.client.events.AddedLayerToMapEventHandler;
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import org.gcube.portlets.user.geoportaldataviewer.client.events.ClosedViewDetailsEvent;
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import org.gcube.portlets.user.geoportaldataviewer.client.events.ClosedViewDetailsEventHandler;
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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.ShowDetailsEvent;
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import org.gcube.portlets.user.geoportaldataviewer.client.events.ShowDetailsEventHandler;
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import org.gcube.portlets.user.geoportaldataviewer.client.events.ZoomOutOverMinimumEvent;
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import org.gcube.portlets.user.geoportaldataviewer.client.events.ZoomOutOverMinimumEventHandler;
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import org.gcube.portlets.user.geoportaldataviewer.client.gis.MapUtils;
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import org.gcube.portlets.user.geoportaldataviewer.client.ui.GeonaDataViewMainPanel;
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import org.gcube.portlets.user.geoportaldataviewer.shared.gis.GeoQuery;
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import com.google.gwt.core.client.EntryPoint;
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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.core.client.ScriptInjector;
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import com.google.gwt.event.logical.shared.ResizeEvent;
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import com.google.gwt.event.logical.shared.ResizeHandler;
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import com.google.gwt.event.shared.HandlerManager;
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import com.google.gwt.user.client.Timer;
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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.RootPanel;
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import ol.Coordinate;
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/**
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* Entry point classes define <code>onModuleLoad()</code>.
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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 GeoportalDataViewer implements EntryPoint {
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/** The Constant APP_DIV. */
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public final static String APP_DIV = "geoportal-data-viewer";
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/** The ol map. */
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//private OpenLayerOSM olMap = null;
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/** The main panel. */
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private GeonaDataViewMainPanel mainPanel;
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/** The param wms request. */
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private String paramWmsRequest;
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/** The param UUID. */
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//private String paramUUID;
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private String paramGeonaItemType;
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/** The param layer title. */
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private String paramLayerTitle;
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private HandlerManager applicationBus = new HandlerManager("");
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/** The layer manager. */
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private LayerManager layerManager = new LayerManager(applicationBus);
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private String paramGeonaItemID;
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private GeoNaDataViewerProfile geonaDataViewerProfile;
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private OLMapManager olMapMng = null;
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int attempt = 0;
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//https://data.d4science.org/gis-viewer-app/?wmsrequest=https%3A%2F%2Fgeona-proto.d4science.org%2Fgeoserver%2Fconcessioni_conf%2Fwms%3Fservice%3DWMS%26version%3D1.1.0%26request%3DGetMap%26layers%3Dconcessioni_conf%3Acentroids_concessioni%26styles%3D%26bbox%3D8.476%2C39.179%2C17.391%2C45.772%26width%3D768%26height%3D567%26srs%3DEPSG%3A4326%26format%3Dapplication%2Fopenlayers&zoom=6¢ermap=12.45%2C42.98
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/**
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* This is the entry point method.
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*/
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public void onModuleLoad() {
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mainPanel = new GeonaDataViewMainPanel(applicationBus, getClientHeight());
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RootPanel.get(APP_DIV).add(mainPanel);
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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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olMapMng = new OLMapManager(mainPanel.getMapPanel().getElement().getId(),
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layerManager.getLayerManagerBus());
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layerManager.setOlMap(olMapMng.getOLOSMMap());
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mainPanel.setMap(olMapMng.getOLOSMMap());
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updateSize();
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ScriptInjector.fromUrl("//cdnjs.cloudflare.com/ajax/libs/nanogallery2/3.0.5/jquery.nanogallery2.min.js")
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.setWindow(ScriptInjector.TOP_WINDOW).inject();
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}
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});
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Window.addResizeHandler(new ResizeHandler() {
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@Override
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public void onResize(ResizeEvent event) {
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updateSize();
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}
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});
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paramWmsRequest = Window.Location.getParameter(GeoportalDataViewerConstants.GET_WMS_PARAMETER);
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paramGeonaItemType = Window.Location.getParameter(GeoportalDataViewerConstants.GET_GEONA_ITEM_TYPE);
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// paramUUID =
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// Window.Location.getParameter(GeoportalDataViewerConstants.GET_UUID_PARAMETER);
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paramGeonaItemID = Window.Location.getParameter(GeoportalDataViewerConstants.GET_GEONA_ITEM_ID);
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paramLayerTitle = Window.Location.getParameter(GeoportalDataViewerConstants.GET_LAYER_TITLE);
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GWT.log(GeoportalDataViewerConstants.GET_WMS_PARAMETER + " = " + paramWmsRequest);
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GWT.log(GeoportalDataViewerConstants.GET_GEONA_ITEM_TYPE + " = " + paramGeonaItemType);
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GWT.log(GeoportalDataViewerConstants.GET_GEONA_ITEM_ID + " = " + paramGeonaItemID);
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// GWT.log(GeoportalDataViewerConstants.GET_UUID_PARAMETER + " = " + paramUUID);
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GWT.log(GeoportalDataViewerConstants.GET_LAYER_TITLE + " = " + paramLayerTitle);
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// VALIDATING THE LONG FORMAT FOR GID
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// try {
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// if (paramGeonaItemID != null)
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// Long.parseLong(paramGeonaItemID);
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// } catch (Exception e) {
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// Window.alert("Bad format for parameter " + GeoportalDataViewerConstants.GET_GEONA_ITEM_ID
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// + ". It must be a Long");
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// paramGeonaItemID = null;
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// }
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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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GeoportalDataViewerServiceAsync.Util.getInstance()
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.getGeoNaDataViewProfile(new AsyncCallback<GeoNaDataViewerProfile>() {
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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(GeoNaDataViewerProfile profile) {
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geonaDataViewerProfile = profile;
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GWT.log("Profile: " + geonaDataViewerProfile);
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Iterator<String> it;
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String theItemType = paramGeonaItemType;
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if (theItemType == null) {
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it = geonaDataViewerProfile.getMapLayers().keySet().iterator();
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it.hasNext();
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theItemType = it.next();
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}
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LayerItem layerItem = geonaDataViewerProfile.getMapLayers().get(theItemType);
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if (layerItem == null) {
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Window.alert("Not detected any layer with type: " + theItemType);
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return;
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}
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GWT.log("The layerItem is: " + layerItem);
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layerManager.addLayer(theItemType, null, null, layerItem.getWmsLink(), false, false,
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null, true);
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if (paramGeonaItemID != null) {
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if (paramGeonaItemType == null) {
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Window.alert(
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"Missing parameter " + GeoportalDataViewerConstants.GET_GEONA_ITEM_TYPE
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+ " (GeoNa Data Type) where to search the item id: "
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+ paramGeonaItemID);
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return;
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}
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GeoNaItemRef gir = new GeoNaItemRef(paramGeonaItemID, paramGeonaItemType);
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applicationBus.fireEvent(new ShowDetailsEvent(gir, null, null));
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}
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}
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});
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}
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});
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bindEvents();
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}
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/**
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* Update window size.
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*/
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public void updateSize() {
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int rootHeight = getClientHeight();
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int height = rootHeight;
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mainPanel.setPanelsHeight(height);
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GWT.log("Set height: "+height);
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}
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public int getClientHeight() {
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RootPanel principalDiv = RootPanel.get(APP_DIV);
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int topBorder = principalDiv.getAbsoluteTop();
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int rootHeight = Window.getClientHeight() - topBorder;
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return rootHeight;
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}
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/**
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* Bind events.
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*/
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private void bindEvents() {
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applicationBus.addHandler(ShowDetailsEvent.TYPE, new ShowDetailsEventHandler() {
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@Override
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public void onShowDetails(ShowDetailsEvent showDetailsEvent) {
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GWT.log("Fired event: "+showDetailsEvent);
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String geonaMongoId = showDetailsEvent.getGeonaMongoID();
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if(geonaMongoId==null) {
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Window.alert("Item Id not found");
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return;
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}
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//TODO
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boolean found = false;
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GWT.log("Product with id: "+geonaMongoId+" found? "+found);
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if(!found) {
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if(showDetailsEvent.getGeonaItemType().equalsIgnoreCase("Concessione")) {
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GeoportalDataViewerServiceAsync.Util.getInstance().getConcessioneForId(geonaMongoId, new AsyncCallback<ConcessioneDV>() {
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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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mainPanel.hidePanelDetails();
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}
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@Override
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public void onSuccess(ConcessioneDV concessioneDV) {
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GWT.log("Showing: "+concessioneDV);
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mainPanel.showAsDetails(concessioneDV, showDetailsEvent.getGeonaItemRef());
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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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applicationBus.addHandler(AddedLayerToMapEvent.TYPE, new AddedLayerToMapEventHandler() {
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@Override
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public void onLayerRendered(AddedLayerToMapEvent addedLayerToMapEvent) {
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GWT.log("Fired AddedLayerToMapEvent "+addedLayerToMapEvent.getLayerItem());
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//GeoportalDataViewerConstants.print("Fired AddedLayerToMapEvent "+addedLayerToMapEvent.getLayerItem());
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try {
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attempt = 0;
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if(paramGeonaItemID!=null) {
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//waiting for record retrieved by service before calling the WFS
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final int MAX_RETRY = 7;
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Timer timer = new com.google.gwt.user.client.Timer() {
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@Override
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public void run() {
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attempt++;
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GWT.log("waiting got record tenative: "+attempt);
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RecordDV record = mainPanel.getDisplyedRecord();
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if(record!=null) {
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this.cancel();
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GWT.log("cancelled timer");
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performWFSQueryOnCentroid(record);
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}
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if(attempt>MAX_RETRY) {
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GWT.log("MAX_RETRY reached, cancelled timer");
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this.cancel();
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}
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}
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};
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timer.scheduleRepeating(1000);
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}
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}catch (Exception e) {
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// TODO: handle exception
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}
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}
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});
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applicationBus.addHandler(ZoomOutOverMinimumEvent.TYPE, new ZoomOutOverMinimumEventHandler() {
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@Override
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public void onZoomOut(ZoomOutOverMinimumEvent zoomOutEvent) {
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if(mainPanel.getDisplyedRecord()==null && !olMapMng.isQueryPointActive()) {
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olMapMng.hidePopInfo();
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}
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}
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});
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applicationBus.addHandler(ClosedViewDetailsEvent.TYPE, new ClosedViewDetailsEventHandler() {
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@Override
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public void onClosed(ClosedViewDetailsEvent closedViewDetailsEvent) {
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olMapMng.hidePopInfo();
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}
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});
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}
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private void performWFSQueryOnCentroid(RecordDV record) {
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if(record!=null) {
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GWT.log("record instanceof ConcessioneDV: " +(record instanceof ConcessioneDV) +" with mongo item id: "+record.getItemId());
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//GeoportalDataViewerConstants.print("record instanceof ConcessioneDV: " +(record instanceof ConcessioneDV));
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if(record instanceof ConcessioneDV) {
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ConcessioneDV concessioneDV = (ConcessioneDV) record;
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Double x = concessioneDV.getCentroidLong();
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Double y = concessioneDV.getCentroidLat();
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GWT.log("X: "+x +", Y:"+y);
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if(x!=null && y!=null) {
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Coordinate transfCoord = MapUtils.transformCoordiante(new Coordinate(x, y), GeoportalDataViewerConstants.EPSG_4326, GeoportalDataViewerConstants.EPSG_3857);
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GeoQuery select = olMapMng.toDataPointQuery(transfCoord,false);
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GWT.log("GeoQuery: "+select);
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//GeoportalDataViewerConstants.print("fireEvent QueryDataEvent");
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layerManager.getLayerManagerBus().fireEvent(new QueryDataEvent(select, transfCoord, record.getItemId(), true));
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}else {
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GeoportalDataViewerConstants.printJs("I cannot select the point one or both coordiantes are null. X: "+x +", Y:"+y);
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}
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}
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}
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}
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}
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