view flys-client/src/main/java/de/intevation/flys/client/client/ui/DatacageWindow.java @ 5818:a4ff4167be1e

Request feature info on all layers and show it as html if the server does not return valid gml. Non queryable layers produce an error message when the request fails. This is good enough
author Andre Heinecke <aheinecke@intevation.de>
date Wed, 24 Apr 2013 17:33:27 +0200
parents d5f5bdaca316
children 8cbea3354ac5
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package de.intevation.flys.client.client.ui;

import java.util.ArrayList;
import java.util.List;

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.Window;

import de.intevation.flys.client.client.Config;
import de.intevation.flys.client.client.FLYSConstants;

import de.intevation.flys.client.client.event.DatacageHandler;
import de.intevation.flys.client.client.event.DatacageDoubleClickHandler;
import de.intevation.flys.client.client.event.HasRedrawRequestHandlers;
import de.intevation.flys.client.client.event.RedrawRequestHandler;
import de.intevation.flys.client.client.event.RedrawRequestEvent;
import de.intevation.flys.client.client.event.RedrawRequestEvent.Type;

import de.intevation.flys.client.client.services.LoadArtifactService;
import de.intevation.flys.client.client.services.LoadArtifactServiceAsync;

import de.intevation.flys.client.shared.model.Artifact;
import de.intevation.flys.client.shared.model.ArtifactDescription;
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.DataList;
import de.intevation.flys.client.shared.model.ToLoad;
import de.intevation.flys.client.shared.model.User;
import de.intevation.flys.client.shared.model.Recommendation;


/** Window that access the datacageservice and shows a datacagewidget. */
public class DatacageWindow
extends      Window
implements   DatacageHandler,
             DatacageDoubleClickHandler,
             HasRedrawRequestHandlers
{
    /** i18ner. */
    protected FLYSConstants messages =
        GWT.create(FLYSConstants.class);

    /** Service to create/clone artifacts. */
    protected LoadArtifactServiceAsync loadService =
        GWT.create(LoadArtifactService.class);

    protected CollectionView view;

    protected List<RedrawRequestHandler> handlers;

    protected int inProgress;


    public DatacageWindow(
        Artifact       artifact,
        User           user,
        String         outs,
        CollectionView view
    ) {
        this.view       = view;
        this.handlers   = new ArrayList<RedrawRequestHandler>();
        this.inProgress = 0;

        setWidth(400);
        setHeight(500);

        DatacageWidget dw = new DatacageWidget(
            artifact,
            user,
            outs,
            "load-system:true",
            true);
        dw.addDatacageHandler(this);
        dw.addDatacageDoubleClickHandler(this);

        addItem(dw);

        String river =  findRiver(artifact);
        // TODO: i18n
        setTitle("Datenkorb: " + river);
        setShowMinimizeButton(false);
        setIsModal(true);
        setShowModalMask(true);
        setCanDragResize(true);

        centerInPage();
    }


    @Override
    public void toLoad(ToLoad toLoad) {
        destroy();
        List<Recommendation> recs = toLoad.toRecommendations();
        loadArtifacts(recs);
    }


    @Override
    public void onDoubleClick(ToLoad toLoad) {
        destroy();
        List<Recommendation> recs = toLoad.toRecommendations();
        loadArtifacts(recs);
    }


    @Override
    public void addRedrawRequestHandler(RedrawRequestHandler handler) {
        if (handler != null) {
            handlers.add(handler);
        }
    }


    protected String findRiver(Artifact artifact) {
        ArtifactDescription adescr = artifact.getArtifactDescription();
        DataList [] data = adescr.getOldData();

        if (data != null && data.length > 0) {
            for (int i = 0; i < data.length; i++) {
                DataList dl = data[i];
                if (dl.getState().equals("state.winfo.river")) {
                    for (int j = dl.size()-1; j >= 0; --j) {
                        Data d = dl.get(j);
                        DataItem [] di = d.getItems();
                        if (di != null && di.length == 1) {
                           return d.getItems()[0].getStringValue();
                        }
                    }
                }
            }
        }

        return "";
    }


    protected void decreateInProgress() {
        if (this.inProgress > 0) {
            this.inProgress--;
        }

        if (this.inProgress == 0) {
            fireRedrawRequest();
        }
    }


    protected void fireRedrawRequest() {
        RedrawRequestEvent evt = new RedrawRequestEvent(Type.DEFAULT);

        for (RedrawRequestHandler handler: handlers) {
            handler.onRedrawRequest(evt);
        }
    }


    protected void loadArtifacts(List<Recommendation> recommendations) {
        Config cfg = Config.getInstance();

        final Collection collection     = view.getCollection();
        final Artifact   masterArtifact = view.getArtifact();
        final String     locale         = cfg.getLocale();

        this.inProgress = recommendations.size();

        for (final Recommendation recommendation: recommendations) {
            // XXX: UGLY! If no reference artifact given use uuid of
            //      current artifact as reference.
            if (recommendation.getMasterArtifact() == null) {
                recommendation.setMasterArtifact(masterArtifact.getUuid());
            }

            final String factory = recommendation.getFactory();

            GWT.log("Load new artifact with factory: " + factory);

            loadService.load(
                collection,
                recommendation,
                factory,
                locale,
                new AsyncCallback<Artifact>() {
                    public void onFailure(Throwable caught) {
                        decreateInProgress();
                        GWT.log("Create-artifact failed: " + caught.getMessage());
                        SC.warn(caught.getMessage());
                    }

                    public void onSuccess(Artifact artifact) {
                        decreateInProgress();
                        GWT.log("Created new artifact: " + artifact.getUuid());
                    }
            });
        }
    }
}
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