ingo@800: package de.intevation.flys.client.client.ui.map;
ingo@800: 
ingo@800: import com.smartgwt.client.widgets.Canvas;
ingo@800: import com.smartgwt.client.widgets.Label;
ingo@800: import com.smartgwt.client.widgets.events.MouseMoveEvent;
ingo@800: import com.smartgwt.client.widgets.events.MouseMoveHandler;
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;
ingo@800: 
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;
ingo@800:     protected Map       map;
ingo@800: 
ingo@800:     protected Label  x;
ingo@800:     protected Label  y;
ingo@800: 
ingo@800: 
ingo@800:     public MapPositionPanel(MapWidget mapWidget, final Canvas c) {
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@800:         setWidth(60);
ingo@800:         setMembersMargin(2);
ingo@800: 
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: 
ingo@800:         // TODO We should use the MousePosition control provided by
ingo@800:         // GwtOpenLayers here instead of calculating the mouse pos manually.
ingo@800:         c.addMouseMoveHandler(new MouseMoveHandler() {
ingo@800:             public void onMouseMove(MouseMoveEvent e) {
ingo@800:                 int x = e.getX() - c.getPageLeft();
ingo@800:                 int y = e.getY() - c.getPageTop();
ingo@800: 
ingo@800:                 LonLat point = map.getLonLatFromPixel(new Pixel(x, y));
ingo@800:                 setX(point.lon());
ingo@800:                 setY(point.lat());
ingo@800:             }
ingo@800:         });
ingo@800:     }
ingo@800: 
ingo@800: 
ingo@800:     protected void setX(double x) {
ingo@800:         this.x.setContents(String.valueOf(x));
ingo@800:     }
ingo@800: 
ingo@800: 
ingo@800:     protected void setY(double y) {
ingo@800:         this.y.setContents(String.valueOf(y));
ingo@800:     }
ingo@800: }
ingo@800: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :