124 lines
4.4 KiB
Java
124 lines
4.4 KiB
Java
package org.gcube.portlets.user.geoportaldataviewer.client;
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import org.gcube.portlets.user.geoportaldataviewer.client.gis.OpenLayerOSM;
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import org.gcube.portlets.user.geoportaldataviewer.client.ui.GeonaDataViewMainPanel;
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import org.gcube.portlets.user.geoportaldataviewer.client.util.URLUtil;
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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.event.logical.shared.ResizeEvent;
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import com.google.gwt.event.logical.shared.ResizeHandler;
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import com.google.gwt.user.client.Window;
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import com.google.gwt.user.client.ui.RootPanel;
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// TODO: Auto-generated Javadoc
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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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/**
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* The message displayed to the user when the server cannot be reached or
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* returns an error.
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*/
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private static final String SERVER_ERROR = "An error occurred while "
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+ "attempting to contact the server. Please check your network " + "connection and try again.";
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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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/** The param layer title. */
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private String paramLayerTitle;
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/** The layer manager. */
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private LayerManager layerManager = new LayerManager();
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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();
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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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olMap = new OpenLayerOSM(mainPanel.getMapPanel().getElement().getId(),layerManager.getEventBus());
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layerManager.setOlMap(olMap);
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mainPanel.setMap(olMap);
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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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GWT.log("onWindowResized width: " + event.getWidth() + " height: " + event.getHeight());
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mainPanel.setMapHeight(event.getHeight() - 200);
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}
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});
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paramWmsRequest = Window.Location.getParameter(GeoportalDataViewerConstants.GET_WMS_PARAMETER);
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paramUUID = Window.Location.getParameter(GeoportalDataViewerConstants.GET_UUID_PARAMETER);
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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_UUID_PARAMETER + " = " + paramUUID);
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GWT.log(GeoportalDataViewerConstants.GET_LAYER_TITLE + " = " + paramLayerTitle);
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if (paramWmsRequest != null && !paramWmsRequest.isEmpty()) {
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try {
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//wmsRequestConverter.addRequestToGisViewer(paramWmsRequest, paramLayerTitle, paramUUID);
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//FIND BASE URL
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int indexStart = paramWmsRequest.indexOf("?");
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String url;
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if(indexStart>=0){
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url = paramWmsRequest.substring(0, indexStart); //get only base uri
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url = url.trim(); //string trim
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}else{
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Window.alert("Bad wms request '?' not found!");
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// throw new Exception("Bad server request '?' not found!");
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}
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String layerName = URLUtil.getValueOfParameter("layers", paramWmsRequest);
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String displayName = paramLayerTitle==null || paramLayerTitle.isEmpty()?layerName:paramLayerTitle;
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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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layerManager.addLayerByWmsRequest(displayName, layerName, paramWmsRequest, false, false, paramUUID, true);
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}
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});
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} catch (Exception e) {
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GWT.log("An error occurred on adding wmsrequest :" + paramWmsRequest, e);
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e.printStackTrace();
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}
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}
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}
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}
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