Mercurial > dive4elements > river
view flys-client/src/main/java/de/intevation/flys/client/client/ui/map/GetFeatureInfo.java @ 4254:33b15ac17fd1
Only create and add GaugePanel when necessary
The GaugePanel isn't created always and only show if WINFO and a river is
selected now. It is only created on demand. Therefore all access to the
GaugePanel is abstraced via methods that check if the GaugePanel is null before
accessing it's methods.
author | Björn Ricks <bjoern.ricks@intevation.de> |
---|---|
date | Thu, 25 Oct 2012 13:58:53 +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); } }); } }