teichmann@5861: /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
teichmann@5861:  * Software engineering by Intevation GmbH
teichmann@5861:  *
teichmann@5993:  * This file is Free Software under the GNU AGPL (>=v3)
teichmann@5861:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
teichmann@5993:  * documentation coming with Dive4Elements River for details.
teichmann@5861:  */
teichmann@5861: 
teichmann@5835: package org.dive4elements.river.client.client.ui;
ingo@901: 
gernotbelger@9220: import java.util.List;
gernotbelger@9220: import java.util.Map;
gernotbelger@9220: import java.util.Set;
ingo@909: 
teichmann@5835: import org.dive4elements.river.client.client.Config;
teichmann@5835: import org.dive4elements.river.client.client.FLYS;
teichmann@5835: import org.dive4elements.river.client.client.event.StepForwardEvent;
teichmann@5835: import org.dive4elements.river.client.client.services.LoadArtifactService;
teichmann@5835: import org.dive4elements.river.client.client.services.LoadArtifactServiceAsync;
teichmann@5835: import org.dive4elements.river.client.shared.model.Artifact;
teichmann@5835: import org.dive4elements.river.client.shared.model.Collection;
teichmann@5835: import org.dive4elements.river.client.shared.model.Data;
teichmann@5835: import org.dive4elements.river.client.shared.model.DataItem;
teichmann@5835: import org.dive4elements.river.client.shared.model.DefaultData;
teichmann@5835: import org.dive4elements.river.client.shared.model.DefaultDataItem;
teichmann@5835: import org.dive4elements.river.client.shared.model.Recommendation;
teichmann@5835: import org.dive4elements.river.client.shared.model.Recommendation.Facet;
teichmann@5835: import org.dive4elements.river.client.shared.model.Recommendation.Filter;
teichmann@5835: import org.dive4elements.river.client.shared.model.ToLoad;
teichmann@5835: import org.dive4elements.river.client.shared.model.User;
ingo@901: 
gernotbelger@9220: import com.google.gwt.core.client.GWT;
gernotbelger@9220: import com.google.gwt.user.client.rpc.AsyncCallback;
gernotbelger@9220: import com.smartgwt.client.util.SC;
gernotbelger@9220: import com.smartgwt.client.widgets.events.ClickEvent;
ingo@901: 
ingo@901: public class WspDatacagePanel extends DatacagePanel {
ingo@901: 
christian@4130:     private static final long serialVersionUID = 2494432743877141135L;
christian@4130: 
gernotbelger@9220:     private static final String WATERLEVEL_OUTS = "waterlevels_panel";
ingo@901: 
gernotbelger@9220:     private final LoadArtifactServiceAsync loadService = GWT.create(LoadArtifactService.class);
ingo@901: 
gernotbelger@9220:     public WspDatacagePanel(final User user) {
gernotbelger@9220:         super(user, WATERLEVEL_OUTS, null, false);
ingo@901:     }
ingo@901: 
ingo@909:     /**
ingo@909:      * We need to override this method (defined in AbstractUIProvider) because
felix@6580:      * we have to create a new Artifact specified by the Datacage selection via
ingo@909:      * Async request.
ingo@909:      *
gernotbelger@9220:      * @param e
gernotbelger@9220:      *            The ClickEvent.
ingo@909:      */
ingo@909:     @Override
gernotbelger@9220:     public void onClick(final ClickEvent e) {
gernotbelger@9220:         final List<String> errors = validate();
ingo@909:         if (errors == null || errors.isEmpty()) {
felix@7570:             // 1) Fetch selected recommendation.
gernotbelger@9220:             final Config config = Config.getInstance();
gernotbelger@9220:             final String locale = config.getLocale();
gernotbelger@9220:             final Collection c = this.collection;
gernotbelger@9220:             final Recommendation r = getSelectedRecommendation();
christian@4130: 
christian@4130:             if (r == null) {
christian@4130:                 SC.warn(MSG.warning_no_wsp_selected());
christian@4130:                 return;
christian@4130:             }
christian@4130: 
felix@7570:             // TODO: This could eventually be handled server-side.
felix@7570:             // 2) Create, load Artifact and fire event.
gernotbelger@9220:             this.loadService.load(c, r, r.getFactory(), locale, new AsyncCallback<Artifact>() {
gernotbelger@9220:                 @Override
gernotbelger@9220:                 public void onFailure(final Throwable caught) {
gernotbelger@9220:                     GWT.log("WspDatacagePanel", caught);
gernotbelger@9220:                     SC.warn(FLYS.getExceptionString(MSG, caught));
gernotbelger@9220:                 }
ingo@909: 
gernotbelger@9220:                 @Override
gernotbelger@9220:                 public void onSuccess(final Artifact newArtifact) {
gernotbelger@9220:                     GWT.log("Created new artifact.");
gernotbelger@9220:                     fireStepForwardEvent(new StepForwardEvent(getData(r, newArtifact)));
ingo@909:                 }
gernotbelger@9220:             });
gernotbelger@9220:         } else {
ingo@909:             showErrors(errors);
ingo@909:         }
ingo@909:     }
ingo@909: 
ingo@909:     protected Recommendation getSelectedRecommendation() {
gernotbelger@9220:         final ToLoad toLoad = getSelection();
gernotbelger@9220:         final List<Recommendation> recoms = toLoad.toRecommendations();
ingo@909: 
christian@3521:         return recoms.size() > 0 ? recoms.get(0) : null;
ingo@909:     }
ingo@909: 
ingo@909:     /**
ingo@909:      * Nothing is done in this method. It returns null, because we serve the
ingo@909:      * Data another way!
ingo@909:      *
ingo@909:      * @return always null!
ingo@909:      */
ingo@901:     @Override
ingo@901:     protected Data[] getData() {
ingo@909:         // do nothing here, the Data is fetched on another way in this panel.
ingo@909:         return null;
ingo@909:     }
ingo@909: 
felix@6580:     /** Returns a Data Array with one default item. */
gernotbelger@9220:     protected final Data[] getData(final Recommendation r, final Artifact newArtifact) {
gernotbelger@9220:         final String uuid = newArtifact.getUuid();
ingo@909:         r.setMasterArtifact(uuid);
ingo@909: 
gernotbelger@9220:         final String value = createDataString(uuid, r);
ingo@909: 
gernotbelger@9220:         final String dataName = getMyDataName();
gernotbelger@9220: 
gernotbelger@9220:         final DataItem item = new DefaultDataItem(dataName, dataName, value);
gernotbelger@9220:         return new Data[] { new DefaultData(dataName, null, null, new DataItem[] { item }) };
ingo@901:     }
ingo@909: 
gernotbelger@9220:     private String createDataString(final String artifactId, final Recommendation recommendation) {
teichmann@7885: 
felix@7570:         // The filter will only be available or previous calculation artifacts.
gernotbelger@9220:         final Filter filter = recommendation.getFilter();
ingo@909: 
felix@7570:         if (filter != null) {
gernotbelger@9220:             Facet f = null;
ingo@909: 
gernotbelger@9220:             final Map<String, List<Facet>> outs = filter.getOuts();
gernotbelger@9220:             final Set<Map.Entry<String, List<Facet>>> entries = outs.entrySet();
gernotbelger@9220: 
gernotbelger@9220:             for (final Map.Entry<String, List<Facet>> entry : entries) {
gernotbelger@9220:                 final List<Facet> fs = entry.getValue();
felix@7570: 
felix@7570:                 f = fs.get(0);
felix@7570:                 if (f != null) {
felix@7570:                     break;
felix@7570:                 }
ingo@909:             }
felix@7570: 
gernotbelger@9220:             return "[" + artifactId + ";" + f.getName() + ";" + f.getIndex() + "]";
ingo@909:         }
gernotbelger@9220: 
gernotbelger@9220:         return "[" + artifactId + ";" + recommendation.getFactory() + ";" + 0 + "]";
ingo@909:     }
gernotbelger@9220: }