Mercurial > dive4elements > river

annotate gwt-client/src/main/java/org/dive4elements/river/client/client/ui/map/MapPositionPanel.java @ 5861:172338b1407f

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GWT client: Added copyright header.
author Sascha L. Teichmann <teichmann@intevation.de>
date Sun, 28 Apr 2013 14:30:15 +0200
parents 5aa05a7a34b7
children ea9eef426962
rev   line source
5861
172338b1407f GWT client: Added copyright header.
Sascha L. Teichmann <teichmann@intevation.de>
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.client.client.ui.map;
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10
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11 import com.google.gwt.i18n.client.NumberFormat;
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12
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13 import com.smartgwt.client.types.Alignment;
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14 import com.smartgwt.client.widgets.Label;
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15 import com.smartgwt.client.widgets.layout.HLayout;
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16
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17 import org.gwtopenmaps.openlayers.client.LonLat;
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18 import org.gwtopenmaps.openlayers.client.Map;
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19 import org.gwtopenmaps.openlayers.client.MapWidget;
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20 import org.gwtopenmaps.openlayers.client.Pixel;
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21 import org.gwtopenmaps.openlayers.client.event.EventHandler;
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22 import org.gwtopenmaps.openlayers.client.event.EventObject;
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23 import org.gwtopenmaps.openlayers.client.util.JSObject;
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24
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25 /**
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26 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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27 */
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28 public class MapPositionPanel extends HLayout {
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29
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30 protected MapWidget mapWidget;
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31 protected final Map map;
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32
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33 protected Label x;
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34 protected Label y;
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35
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36
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37 public MapPositionPanel(MapWidget mapWidget) {
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38 this.mapWidget = mapWidget;
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39 this.map = mapWidget.getMap();
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40
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41 this.x = new Label();
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42 this.y = new Label();
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43 Label d = new Label("|");
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44
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45 setAlign(Alignment.RIGHT);
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46 setMembersMargin(2);
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47
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48 setWidth(150);
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49 x.setWidth(25);
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50 y.setWidth(25);
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51 d.setWidth(5);
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52
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53 addMember(x);
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54 addMember(d);
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55 addMember(y);
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56
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57 // TODO This is not an optimal way to get the mouse position but makes
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58 // the wrapper canvas superfluous.
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59 this.map.getEvents().register("mousemove", map, new EventHandler() {
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60
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61 @Override
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62 public void onHandle(EventObject eventObject) {
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63 JSObject xy = eventObject.getJSObject().getProperty("xy");
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64 Pixel px = Pixel.narrowToPixel(xy);
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65 LonLat lonlat = map.getLonLatFromPixel(px);
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66
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67 setX(lonlat.lon());
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68 setY(lonlat.lat());
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69 }
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70 });
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71 }
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72
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73
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74 protected void setX(double x) {
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75 NumberFormat f = NumberFormat.getFormat("#0.0000");
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76 this.x.setContents(f.format(x).toString());
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77 }
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78
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79
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80 protected void setY(double y) {
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81 NumberFormat f = NumberFormat.getFormat("#0.0000");
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82 this.y.setContents(f.format(y).toString());
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83 }
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84 }
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85 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org