view flys-client/src/main/java/de/intevation/flys/client/client/ui/map/GetFeatureInfo.java @ 4241:49cb65d5932d

Improved the historical discharge calculation. The calculation now creates new HistoricalWQKms (new subclass of WQKms). Those WQKms are used to create new facets from (new) type 'HistoricalDischargeCurveFacet'. The chart generator is improved to support those facets.
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Wed, 24 Oct 2012 14:34:35 +0200
parents 46fc11ad697f
children af2aa716152f
line wrap: on
line source
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);
            }
        });
    }
}

http://dive4elements.wald.intevation.org