Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/map/FloodMap.java @ 833:dcecdd9693a8

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Added a UIProvider that displays a combobox on the left and a map widget in the helper container. flys-client/trunk@2544 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Wed, 24 Aug 2011 08:36:51 +0000
parents 407de0f4b66a
children 4af1ee86b0b1
rev   line source
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cc3f481e9484 Introduced GwtOpenLayers to bring up maps.
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1 package de.intevation.flys.client.client.ui.map;
cc3f481e9484 Introduced GwtOpenLayers to bring up maps.
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2
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407de0f4b66a Set the map projection and its max extent dynamically - information extracted from facets.
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3 import org.gwtopenmaps.openlayers.client.Bounds;
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4 import org.gwtopenmaps.openlayers.client.Map;
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5 import org.gwtopenmaps.openlayers.client.MapOptions;
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6 import org.gwtopenmaps.openlayers.client.MapWidget;
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7 import org.gwtopenmaps.openlayers.client.feature.VectorFeature;
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8 import org.gwtopenmaps.openlayers.client.format.GeoJSON;
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9 import org.gwtopenmaps.openlayers.client.layer.Vector;
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10 import org.gwtopenmaps.openlayers.client.layer.VectorOptions;
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11 import org.gwtopenmaps.openlayers.client.util.JObjectArray;
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12 import org.gwtopenmaps.openlayers.client.util.JSObject;
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13
cc3f481e9484 Introduced GwtOpenLayers to bring up maps.
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14
cc3f481e9484 Introduced GwtOpenLayers to bring up maps.
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15 public class FloodMap {
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16
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17 public static final String LAYER_BARRIERS = "vector_layer_barriers";
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18
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19 protected MapWidget mapWidget;
cc3f481e9484 Introduced GwtOpenLayers to bring up maps.
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20 protected Map map;
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21 protected Vector barrierLayer;
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22 protected String srid;
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23 protected Bounds maxExtent;
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24
cc3f481e9484 Introduced GwtOpenLayers to bring up maps.
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25
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26 public FloodMap(String srid, Bounds maxExtent) {
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27 this.srid = srid;
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28 this.maxExtent = maxExtent;
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29
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30 MapOptions opts = new MapOptions();
cc3f481e9484 Introduced GwtOpenLayers to bring up maps.
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31 opts.setControls(new JObjectArray(new JSObject[] {}));
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32 opts.setNumZoomLevels(16);
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33 opts.setProjection(getRiverProjection());
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34 opts.setMaxExtent(maxExtent);
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35 opts.setMaxResolution(500); // TODO DO THIS ON THE FLY
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36
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37 mapWidget = new MapWidget("510px", "635px", opts);
cc3f481e9484 Introduced GwtOpenLayers to bring up maps.
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38 map = mapWidget.getMap();
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e50da1f74e58 The layers created in the floodmap reflect to the facets this output mode has.
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39
e50da1f74e58 The layers created in the floodmap reflect to the facets this output mode has.
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40 getBarrierLayer();
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41 }
cc3f481e9484 Introduced GwtOpenLayers to bring up maps.
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42
cc3f481e9484 Introduced GwtOpenLayers to bring up maps.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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43
cc3f481e9484 Introduced GwtOpenLayers to bring up maps.
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44 public MapWidget getMapWidget() {
cc3f481e9484 Introduced GwtOpenLayers to bring up maps.
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45 return mapWidget;
cc3f481e9484 Introduced GwtOpenLayers to bring up maps.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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46 }
cc3f481e9484 Introduced GwtOpenLayers to bring up maps.
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parents:
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47
cc3f481e9484 Introduced GwtOpenLayers to bring up maps.
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48
cc3f481e9484 Introduced GwtOpenLayers to bring up maps.
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49 public Map getMap() {
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50 return map;
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51 }
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52
cc3f481e9484 Introduced GwtOpenLayers to bring up maps.
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53
cc3f481e9484 Introduced GwtOpenLayers to bring up maps.
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54 public String getRiverProjection() {
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55 return "EPSG:" + srid;
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56 }
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57
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58
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59 public Vector getBarrierLayer() {
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60 if (barrierLayer == null) {
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61 VectorOptions opts = new VectorOptions();
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62 opts.setProjection(getRiverProjection());
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63 opts.setMaxExtent(maxExtent);
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64
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65 barrierLayer = new Vector(LAYER_BARRIERS, opts);
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66 barrierLayer.setIsBaseLayer(true);
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67
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68 map.addLayer(barrierLayer);
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69 }
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70
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71 return barrierLayer;
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72 }
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74
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75 public String getFeaturesAsGeoJSON() {
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76 VectorFeature[] features = barrierLayer.getFeatures();
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77
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78 if (features == null || features.length == 0) {
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79 return null;
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80 }
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81
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82 return new GeoJSON().write(features);
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83 }
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85
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86 public void setSize(String width, String height) {
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87 mapWidget.setWidth(width);
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88 mapWidget.setHeight(height);
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89 }
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90 }
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91 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org