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annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/map/MapPositionPanel.java @ 1433:d73f503f2465

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Added a label that displays the current map projection to the MapToolbar. flys-client/trunk@3388 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Mon, 12 Dec 2011 14:39:51 +0000
parents f3410c96f51a
children c1292aab6aa9
rev   line source
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1 package de.intevation.flys.client.client.ui.map;
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2
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3 import com.smartgwt.client.types.Alignment;
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4 import com.smartgwt.client.widgets.Label;
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5 import com.smartgwt.client.widgets.layout.HLayout;
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6
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7 import org.gwtopenmaps.openlayers.client.LonLat;
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8 import org.gwtopenmaps.openlayers.client.Map;
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9 import org.gwtopenmaps.openlayers.client.MapWidget;
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10 import org.gwtopenmaps.openlayers.client.Pixel;
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11 import org.gwtopenmaps.openlayers.client.event.EventHandler;
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12 import org.gwtopenmaps.openlayers.client.event.EventObject;
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13 import org.gwtopenmaps.openlayers.client.util.JSObject;
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14
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15 /**
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16 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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17 */
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18 public class MapPositionPanel extends HLayout {
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19
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20 protected MapWidget mapWidget;
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21 protected final Map map;
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22
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23 protected Label x;
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24 protected Label y;
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25
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26
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27 public MapPositionPanel(MapWidget mapWidget) {
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28 this.mapWidget = mapWidget;
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29 this.map = mapWidget.getMap();
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30
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31 this.x = new Label();
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32 this.y = new Label();
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33 Label d = new Label("|");
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34
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35 setAlign(Alignment.RIGHT);
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36 setMembersMargin(2);
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37
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38 setWidth(150);
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39 x.setWidth(25);
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40 y.setWidth(25);
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41 d.setWidth(5);
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42
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43 addMember(x);
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44 addMember(d);
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45 addMember(y);
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46
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47 // TODO This is not an optimal way to get the mouse position but makes
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48 // the wrapper canvas superfluous.
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49 this.map.getEvents().register("mousemove", map, new EventHandler() {
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50
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51 @Override
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52 public void onHandle(EventObject eventObject) {
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53 JSObject xy = eventObject.getJSObject().getProperty("xy");
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54 Pixel px = Pixel.narrowToPixel(xy);
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55 LonLat lonlat = map.getLonLatFromPixel(px);
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56
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57 setX(lonlat.lon());
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58 setY(lonlat.lat());
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59 }
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60 });
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61 }
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62
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63
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64 protected void setX(double x) {
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65 this.x.setContents(String.valueOf(x));
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66 }
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67
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68
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69 protected void setY(double y) {
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70 this.y.setContents(String.valueOf(y));
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71 }
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72 }
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73 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org