view flys-client/src/main/java/de/intevation/flys/client/client/ui/map/GetFeatureInfo.java @ 5462:f2371f3aaf03

Show top level folder icons only if node has no factory If you have an empty folder the folder icon is still shown. This makes it possible to add functional "Top Level" entries in the Datacage
author Andre Heinecke <aheinecke@intevation.de>
date Tue, 26 Mar 2013 18:29:13 +0100
parents 46fc11ad697f
children af2aa716152f
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package de.intevation.flys.client.client.ui.map;

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 org.gwtopenmaps.openlayers.client.Map;
import org.gwtopenmaps.openlayers.client.LonLat;
import org.gwtopenmaps.openlayers.client.Pixel;
import org.gwtopenmaps.openlayers.client.event.MapClickListener;

import de.intevation.flys.client.shared.model.FeatureInfo;

import de.intevation.flys.client.client.FLYSConstants;
import de.intevation.flys.client.client.services.GFIService;
import de.intevation.flys.client.client.services.GFIServiceAsync;
import de.intevation.flys.client.client.ui.ThemePanel;


public class GetFeatureInfo implements MapClickListener {

    protected GFIServiceAsync gfiService = GWT.create(GFIService.class);

    protected FLYSConstants MSG = GWT.create(FLYSConstants.class);

    protected GetFeatureInfoWindow gfiWindow;

    protected Map        map;
    protected ThemePanel themePanel;
    protected String     infoFormat;


    /**
     * @param map
     * @param themes
     * @param url
     * @param infoFormat
     */
    public GetFeatureInfo(Map map, ThemePanel themePanel, String infoFormat) {
        this.map        = map;
        this.themePanel = themePanel;
        this.infoFormat = infoFormat;
    }


    public void activate(boolean activate) {
        if (activate) {
            map.addMapClickListener(this);
        }
        else {
            map.removeListener(this);
        }
    }


    protected void newGetFeatureInfoWindow(List<FeatureInfo> features) {
        if (gfiWindow != null) {
            gfiWindow.destroy();
        }

        gfiWindow = new GetFeatureInfoWindow(features);
        gfiWindow.show();
    }


    @Override
    public void onClick(MapClickListener.MapClickEvent e) {
        LonLat lonlat = e.getLonLat();
        Pixel  pixel  = map.getPixelFromLonLat(lonlat);

        gfiService.query(
            themePanel.getThemeList().getActiveThemes(),
            infoFormat,
            map.getExtent().toString(),
            map.getProjection(),
            (int) map.getSize().getHeight(),
            (int) map.getSize().getWidth(),
            pixel.x(), pixel.y(),
            new AsyncCallback<List<FeatureInfo>>() {
            public void onFailure(Throwable e) {
                SC.warn(MSG.getString(e.getMessage()));
            }

            public void onSuccess(List<FeatureInfo> features) {
                newGetFeatureInfoWindow(features);
            }
        });
    }
}

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