teichmann@5835: package org.dive4elements.river.client.client.ui.map;
ingo@800: 
raimund@2451: import com.google.gwt.i18n.client.NumberFormat;
raimund@2451: 
ingo@1433: import com.smartgwt.client.types.Alignment;
ingo@800: import com.smartgwt.client.widgets.Label;
ingo@800: import com.smartgwt.client.widgets.layout.HLayout;
ingo@800: 
ingo@800: import org.gwtopenmaps.openlayers.client.LonLat;
ingo@800: import org.gwtopenmaps.openlayers.client.Map;
ingo@800: import org.gwtopenmaps.openlayers.client.MapWidget;
ingo@800: import org.gwtopenmaps.openlayers.client.Pixel;
raimund@1386: import org.gwtopenmaps.openlayers.client.event.EventHandler;
raimund@1386: import org.gwtopenmaps.openlayers.client.event.EventObject;
raimund@1386: import org.gwtopenmaps.openlayers.client.util.JSObject;
ingo@800: 
ingo@800: /**
ingo@800:  * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
ingo@800:  */
ingo@800: public class MapPositionPanel extends HLayout {
ingo@800: 
ingo@800:     protected MapWidget mapWidget;
raimund@1386:     protected final Map map;
ingo@800: 
ingo@800:     protected Label  x;
ingo@800:     protected Label  y;
ingo@800: 
ingo@800: 
raimund@1386:     public MapPositionPanel(MapWidget mapWidget) {
ingo@800:         this.mapWidget = mapWidget;
ingo@800:         this.map       = mapWidget.getMap();
ingo@800: 
ingo@800:         this.x  = new Label();
ingo@800:         this.y  = new Label();
ingo@800:         Label d = new Label("|");
ingo@800: 
ingo@1433:         setAlign(Alignment.RIGHT);
ingo@800:         setMembersMargin(2);
ingo@800: 
ingo@1433:         setWidth(150);
ingo@800:         x.setWidth(25);
ingo@800:         y.setWidth(25);
ingo@800:         d.setWidth(5);
ingo@800: 
ingo@800:         addMember(x);
ingo@800:         addMember(d);
ingo@800:         addMember(y);
ingo@800: 
raimund@1386:         // TODO This is not an optimal way to get the mouse position but makes
raimund@1386:         // the wrapper canvas superfluous.
raimund@1386:        this.map.getEvents().register("mousemove", map, new EventHandler() {
ingo@800: 
raimund@1386:             @Override
raimund@1386:             public void onHandle(EventObject eventObject) {
raimund@1386:                 JSObject xy = eventObject.getJSObject().getProperty("xy");
raimund@1386:                 Pixel px = Pixel.narrowToPixel(xy);
raimund@1386:                 LonLat lonlat = map.getLonLatFromPixel(px);
raimund@1386: 
raimund@1386:                 setX(lonlat.lon());
raimund@1386:                 setY(lonlat.lat());
ingo@800:             }
ingo@800:         });
ingo@800:     }
ingo@800: 
ingo@800: 
ingo@800:     protected void setX(double x) {
raimund@2451:         NumberFormat f = NumberFormat.getFormat("#0.0000");
raimund@2451:         this.x.setContents(f.format(x).toString());
ingo@800:     }
ingo@800: 
ingo@800: 
ingo@800:     protected void setY(double y) {
raimund@2451:         NumberFormat f = NumberFormat.getFormat("#0.0000");
raimund@2451:         this.y.setContents(f.format(y).toString());
ingo@800:     }
ingo@800: }
ingo@800: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :