view flys-client/src/main/java/de/intevation/flys/client/client/ui/map/GetFeatureInfo.java @ 4221:480de0dbca8e

Extended location input helper. The locationpicker has now an attribute whether the input is distance or location to display one or two clickable columns. Replaced the record click handler with cell click handler.
author Raimund Renkert <rrenkert@intevation.de>
date Tue, 23 Oct 2012 13:17:20 +0200
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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