Mercurial > dive4elements > river
comparison flys-client/src/main/java/de/intevation/flys/client/client/ui/map/FloodMap.java @ 1317:45b9b1fc26e2
Improved error handling while using the elevation control - Make selected features in the map visible.
flys-client/trunk@2956 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
|---|---|
| date | Thu, 13 Oct 2011 10:22:39 +0000 |
| parents | cf0f906921de |
| children | 9aa1a453eed5 |
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| 1316:956605001cfb | 1317:45b9b1fc26e2 |
|---|---|
| 20 | 20 |
| 21 public static final String LAYER_BARRIERS = "vector_layer_barriers"; | 21 public static final String LAYER_BARRIERS = "vector_layer_barriers"; |
| 22 | 22 |
| 23 public static final String MARK_SELECTED = "mark.selected"; | 23 public static final String MARK_SELECTED = "mark.selected"; |
| 24 | 24 |
| 25 public static final int SELECTED_STROKE_WIDTH = 2; | |
| 26 | |
| 25 protected MapWidget mapWidget; | 27 protected MapWidget mapWidget; |
| 26 protected Map map; | 28 protected Map map; |
| 27 protected Vector barrierLayer; | 29 protected Vector barrierLayer; |
| 28 protected String srid; | 30 protected String srid; |
| 29 protected Bounds maxExtent; | 31 protected Bounds maxExtent; |
| 156 return barrierLayer; | 158 return barrierLayer; |
| 157 } | 159 } |
| 158 | 160 |
| 159 | 161 |
| 160 public String getFeaturesAsGeoJSON() { | 162 public String getFeaturesAsGeoJSON() { |
| 163 // disable features before exporting to GeoJSON | |
| 164 disableFeatures(); | |
| 165 | |
| 161 VectorFeature[] features = barrierLayer.getFeatures(); | 166 VectorFeature[] features = barrierLayer.getFeatures(); |
| 162 | 167 |
| 163 if (features == null || features.length == 0) { | 168 if (features == null || features.length == 0) { |
| 164 return null; | 169 return null; |
| 165 } | 170 } |
| 183 public void showBarrierLayer () { | 188 public void showBarrierLayer () { |
| 184 if (barrierLayer != null) { | 189 if (barrierLayer != null) { |
| 185 barrierLayer.setIsVisible(true); | 190 barrierLayer.setIsVisible(true); |
| 186 } | 191 } |
| 187 } | 192 } |
| 193 | |
| 194 | |
| 195 public void selectFeature(VectorFeature feature) { | |
| 196 if (feature != null) { | |
| 197 selectFeatures(new VectorFeature[] { feature } ); | |
| 198 } | |
| 199 } | |
| 200 | |
| 201 | |
| 202 public void selectFeatures(VectorFeature[] features) { | |
| 203 if (features == null || features.length == 0) { | |
| 204 return; | |
| 205 } | |
| 206 | |
| 207 for (VectorFeature feature: features) { | |
| 208 Attributes attr = feature.getAttributes(); | |
| 209 | |
| 210 if (attr.getAttributeAsInt(MARK_SELECTED) == 1) { | |
| 211 continue; | |
| 212 } | |
| 213 | |
| 214 attr.setAttribute(MARK_SELECTED, 1); | |
| 215 | |
| 216 Style style = feature.getStyle(); | |
| 217 double strokeWidth = style.getStrokeWidth(); | |
| 218 | |
| 219 style.setStrokeWidth(strokeWidth+SELECTED_STROKE_WIDTH); | |
| 220 } | |
| 221 | |
| 222 getBarrierLayer().redraw(); | |
| 223 } | |
| 224 | |
| 225 | |
| 226 public void disableFeatures() { | |
| 227 Vector barriers = getBarrierLayer(); | |
| 228 VectorFeature[] features = barriers.getFeatures(); | |
| 229 | |
| 230 if (features == null || features.length == 0) { | |
| 231 return; | |
| 232 } | |
| 233 | |
| 234 disableFeatures(features); | |
| 235 } | |
| 236 | |
| 237 | |
| 238 public void disableFeature(VectorFeature feature) { | |
| 239 if (feature != null) { | |
| 240 disableFeatures(new VectorFeature[] { feature }); | |
| 241 } | |
| 242 } | |
| 243 | |
| 244 | |
| 245 public void disableFeatures(VectorFeature[] features) { | |
| 246 if (features == null || features.length == 0) { | |
| 247 return; | |
| 248 } | |
| 249 | |
| 250 for (VectorFeature feature: features) { | |
| 251 Attributes attr = feature.getAttributes(); | |
| 252 | |
| 253 if (attr.getAttributeAsInt(MARK_SELECTED) == 0) { | |
| 254 continue; | |
| 255 } | |
| 256 | |
| 257 attr.setAttribute(FloodMap.MARK_SELECTED, 0); | |
| 258 | |
| 259 Style style = feature.getStyle(); | |
| 260 double strokeWidth = style.getStrokeWidth(); | |
| 261 | |
| 262 style.setStrokeWidth(strokeWidth-SELECTED_STROKE_WIDTH); | |
| 263 } | |
| 264 | |
| 265 getBarrierLayer().redraw(); | |
| 266 } | |
| 188 } | 267 } |
| 189 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : | 268 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |