Mercurial > dive4elements > river
view flys-client/src/main/java/de/intevation/flys/client/client/ui/map/GetFeatureInfo.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 | e0ab5a566688 |
children |
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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 com.smartgwt.client.widgets.grid.ListGridRecord; 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.shared.model.FacetRecord; import de.intevation.flys.client.shared.model.Theme; import de.intevation.flys.client.shared.model.AttributedTheme; import de.intevation.flys.client.shared.model.FeatureInfoResponse; 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, String title) { if (gfiWindow != null) { gfiWindow.destroy(); } gfiWindow = new GetFeatureInfoWindow(features, title); gfiWindow.show(); } protected void newGetFeatureInfoWindow(String response, String title) { if (gfiWindow != null) { gfiWindow.destroy(); } gfiWindow = new GetFeatureInfoWindow(response, title); gfiWindow.show(); } @Override public void onClick(MapClickListener.MapClickEvent e) { LonLat lonlat = e.getLonLat(); Pixel pixel = map.getPixelFromLonLat(lonlat); if (themePanel.getSelectedRecords().length == 0) { SC.say(MSG.requireTheme()); } for (ListGridRecord rec : themePanel.getSelectedRecords()) { Theme act_theme = ((FacetRecord)rec).getTheme(); final AttributedTheme at = (AttributedTheme)act_theme; gfiService.query( act_theme, infoFormat, map.getExtent().toString(), map.getProjection(), (int) map.getSize().getHeight(), (int) map.getSize().getWidth(), pixel.x(), pixel.y(), new AsyncCallback<FeatureInfoResponse>() { @Override public void onFailure(Throwable e) { SC.warn(MSG.getString(e.getMessage())); } @Override public void onSuccess(FeatureInfoResponse response) { List<FeatureInfo> features = response.getFeatures(); if (features != null && !features.isEmpty()) { newGetFeatureInfoWindow(features, at.getAttr("description")); } else if (response.getFeatureInfoHTML() != null) { newGetFeatureInfoWindow(response.getFeatureInfoHTML(), at.getAttr("description")); } else { GWT.log("GetFeatureInfo returned neither a list of features nor a string"); } } } ); break; // More intelligent handling when more then one is selected } } }