Mercurial > dive4elements > river
view flys-client/src/main/java/de/intevation/flys/client/client/ui/map/MapPositionPanel.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 | c1292aab6aa9 |
children |
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package de.intevation.flys.client.client.ui.map; import com.google.gwt.i18n.client.NumberFormat; import com.smartgwt.client.types.Alignment; import com.smartgwt.client.widgets.Label; import com.smartgwt.client.widgets.layout.HLayout; import org.gwtopenmaps.openlayers.client.LonLat; import org.gwtopenmaps.openlayers.client.Map; import org.gwtopenmaps.openlayers.client.MapWidget; import org.gwtopenmaps.openlayers.client.Pixel; import org.gwtopenmaps.openlayers.client.event.EventHandler; import org.gwtopenmaps.openlayers.client.event.EventObject; import org.gwtopenmaps.openlayers.client.util.JSObject; /** * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> */ public class MapPositionPanel extends HLayout { protected MapWidget mapWidget; protected final Map map; protected Label x; protected Label y; public MapPositionPanel(MapWidget mapWidget) { this.mapWidget = mapWidget; this.map = mapWidget.getMap(); this.x = new Label(); this.y = new Label(); Label d = new Label("|"); setAlign(Alignment.RIGHT); setMembersMargin(2); setWidth(150); x.setWidth(25); y.setWidth(25); d.setWidth(5); addMember(x); addMember(d); addMember(y); // TODO This is not an optimal way to get the mouse position but makes // the wrapper canvas superfluous. this.map.getEvents().register("mousemove", map, new EventHandler() { @Override public void onHandle(EventObject eventObject) { JSObject xy = eventObject.getJSObject().getProperty("xy"); Pixel px = Pixel.narrowToPixel(xy); LonLat lonlat = map.getLonLatFromPixel(px); setX(lonlat.lon()); setY(lonlat.lat()); } }); } protected void setX(double x) { NumberFormat f = NumberFormat.getFormat("#0.0000"); this.x.setContents(f.format(x).toString()); } protected void setY(double y) { NumberFormat f = NumberFormat.getFormat("#0.0000"); this.y.setContents(f.format(y).toString()); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :