Mercurial > dive4elements > river
view flys-client/src/main/java/de/intevation/flys/client/client/ui/WspDatacagePanel.java @ 1578:df11c4c8c578
Avoid certain npes.
flys-client/trunk@3847 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Wed, 01 Feb 2012 08:51:30 +0000 |
parents | bc06a671ef60 |
children | 8d38a1e097c2 |
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package de.intevation.flys.client.client.ui; import java.util.List; import java.util.Map; import java.util.Set; import com.google.gwt.core.client.GWT; import com.google.gwt.user.client.rpc.AsyncCallback; import com.smartgwt.client.util.SC; import com.smartgwt.client.widgets.events.ClickEvent; import de.intevation.flys.client.shared.model.Artifact; import de.intevation.flys.client.shared.model.Collection; import de.intevation.flys.client.shared.model.Data; import de.intevation.flys.client.shared.model.DataItem; import de.intevation.flys.client.shared.model.DefaultData; import de.intevation.flys.client.shared.model.DefaultDataItem; import de.intevation.flys.client.shared.model.Recommendation; import de.intevation.flys.client.shared.model.Recommendation.Facet; import de.intevation.flys.client.shared.model.Recommendation.Filter; import de.intevation.flys.client.shared.model.ToLoad; import de.intevation.flys.client.shared.model.User; import de.intevation.flys.client.client.Config; import de.intevation.flys.client.client.FLYSConstants; import de.intevation.flys.client.client.event.StepForwardEvent; import de.intevation.flys.client.client.services.LoadArtifactService; import de.intevation.flys.client.client.services.LoadArtifactServiceAsync; public class WspDatacagePanel extends DatacagePanel { public static final String WATERLEVEL_OUTS = "waterlevels"; public static final FLYSConstants MSG = GWT.create(FLYSConstants.class); protected LoadArtifactServiceAsync loadService = GWT.create(LoadArtifactService.class); protected Recommendation recommendation; protected Artifact artifact; public WspDatacagePanel() { super(); } public WspDatacagePanel(User user) { super(user); } @Override public String getOuts() { return WATERLEVEL_OUTS; } @Override protected void createWidget() { super.createWidget(); widget.setIsMutliSelectable(false); } /** * We need to override this method (defined in AbstractUIProvider) because * we have to create a new Artifact specified by the Datacage selection via * Async request. * * @param The ClickEvent. */ @Override public void onClick(ClickEvent e) { List<String> errors = validate(); if (errors == null || errors.isEmpty()) { // 1) Fetch selected recommendation Config config = Config.getInstance(); final String locale = config.getLocale(); final Collection c = this.collection; final Recommendation r = getSelectedRecommendation(); // 2) Create, load Artifact and fire event loadService.load( c, r, "winfo", locale, new AsyncCallback<Artifact>() { public void onFailure(Throwable caught) { SC.warn(MSG.getString(caught.getMessage())); } public void onSuccess(Artifact artifact) { fireStepForwardEvent(new StepForwardEvent( getData(r, artifact))); } } ); } else { showErrors(errors); } } protected Recommendation getSelectedRecommendation() { ToLoad toLoad = widget.getSelection(); List<Recommendation> recoms = toLoad.toRecommendations(); return recoms.get(0); } /** * Nothing is done in this method. It returns null, because we serve the * Data another way! * * @return always null! */ @Override protected Data[] getData() { // do nothing here, the Data is fetched on another way in this panel. return null; } protected Data[] getData(Recommendation r, Artifact newArtifact) { String uuid = newArtifact.getUuid(); r.setMasterArtifact(uuid); String value = createDataString(uuid, r.getFilter()); DataItem item = new DefaultDataItem(dataName, dataName, value); return new Data[] { new DefaultData( dataName, null, null, new DataItem[] { item }) }; } protected String createDataString(String artifact, Filter filter) { Facet f = null; Map<String, List<Facet>> outs = filter.getOuts(); Set<Map.Entry<String, List<Facet>>> entries = outs.entrySet(); for (Map.Entry<String, List<Facet>> entry: entries) { List<Facet> fs = entry.getValue(); f = fs.get(0); if (f != null) { break; } } return "[" + artifact + ";" + f.getName() + ";" + f.getIndex() + "]"; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :