Mercurial > dive4elements > river
comparison flys-client/src/main/java/org/dive4elements/river/client/client/ui/map/FloodMap.java @ 5834:f507086aa94b
Repaired internal references.
author | Sascha L. Teichmann <teichmann@intevation.de> |
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date | Thu, 25 Apr 2013 12:31:32 +0200 |
parents | flys-client/src/main/java/de/intevation/flys/client/client/ui/map/FloodMap.java@4f935415bb20 |
children | 821a02bbfb4e |
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5833:a2bdc0f524e8 | 5834:f507086aa94b |
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1 package de.intevation.flys.client.client.ui.map; | |
2 | |
3 import org.gwtopenmaps.openlayers.client.Bounds; | |
4 import org.gwtopenmaps.openlayers.client.LonLat; | |
5 import org.gwtopenmaps.openlayers.client.Map; | |
6 import org.gwtopenmaps.openlayers.client.MapOptions; | |
7 import org.gwtopenmaps.openlayers.client.MapWidget; | |
8 import org.gwtopenmaps.openlayers.client.Style; | |
9 import org.gwtopenmaps.openlayers.client.control.Attribution; | |
10 import org.gwtopenmaps.openlayers.client.control.ScaleLine; | |
11 import org.gwtopenmaps.openlayers.client.control.ScaleLineOptions; | |
12 import org.gwtopenmaps.openlayers.client.event.VectorFeatureAddedListener; | |
13 import org.gwtopenmaps.openlayers.client.feature.VectorFeature; | |
14 import org.gwtopenmaps.openlayers.client.format.GeoJSON; | |
15 import org.gwtopenmaps.openlayers.client.layer.Layer; | |
16 import org.gwtopenmaps.openlayers.client.layer.Vector; | |
17 import org.gwtopenmaps.openlayers.client.layer.VectorOptions; | |
18 import org.gwtopenmaps.openlayers.client.util.Attributes; | |
19 import org.gwtopenmaps.openlayers.client.util.JObjectArray; | |
20 import org.gwtopenmaps.openlayers.client.util.JSObject; | |
21 | |
22 | |
23 public class FloodMap implements VectorFeatureAddedListener { | |
24 | |
25 public static final String LAYER_BARRIERS = "vector_layer_barriers"; | |
26 | |
27 public static final String MARK_SELECTED = "mark.selected"; | |
28 | |
29 public static final int SELECTED_STROKE_WIDTH = 2; | |
30 | |
31 protected MapWidget mapWidget; | |
32 protected Map map; | |
33 protected Vector barrierLayer; | |
34 protected String srid; | |
35 protected Bounds maxExtent; | |
36 protected ScaleLine scaleLine; | |
37 | |
38 public FloodMap(String srid, Bounds maxExtent, int width, int height) { | |
39 this.srid = srid; | |
40 this.maxExtent = maxExtent; | |
41 recreateWidget(width, height); | |
42 getBarrierLayer(); | |
43 } | |
44 | |
45 | |
46 public void recreateWidget(int width, int height) { | |
47 final MapOptions opts = new MapOptions(); | |
48 opts.setControls(new JObjectArray(new JSObject[] {})); | |
49 opts.setNumZoomLevels(16); | |
50 opts.setProjection(getRiverProjection()); | |
51 opts.setMaxExtent(maxExtent); | |
52 opts.setUnits("m"); | |
53 opts.setMaxResolution(500); // TODO DO THIS ON THE FLY | |
54 | |
55 mapWidget = new MapWidget( | |
56 Integer.toString(width - 4), | |
57 Integer.toString(height), | |
58 opts); | |
59 map = mapWidget.getMap(); | |
60 map.addControl(new Attribution()); | |
61 } | |
62 | |
63 | |
64 @Override | |
65 public void onFeatureAdded(FeatureAddedEvent evt) { | |
66 final VectorFeature feature = evt.getVectorFeature(); | |
67 | |
68 final Attributes attrs = feature.getAttributes(); | |
69 final String type = attrs.getAttributeAsString("typ"); | |
70 | |
71 if (type == null || type.length() == 0) { | |
72 return; | |
73 } | |
74 | |
75 final Style style = getStyle(type); | |
76 if (style != null) { | |
77 feature.setStyle(style); | |
78 } | |
79 | |
80 // necessary, otherwise the setStyle() has no effect | |
81 getBarrierLayer().redraw(); | |
82 } | |
83 | |
84 | |
85 /** | |
86 * Returns an OpenLayers.Style based on a given type. | |
87 * | |
88 * @param type Type can be one of "pipe1", "pipe2", "ditch", "dam", | |
89 * "ringdike". | |
90 * | |
91 * @return an OpenLayers.Style object. | |
92 */ | |
93 public static Style getStyle(String type) { | |
94 final Style style = new Style(); | |
95 | |
96 if (type == null) { | |
97 return null; | |
98 } | |
99 | |
100 if (type.equals(DrawControl.BARRIER_PIPE1) | |
101 || type.equals(DrawControl.BARRIER_PIPE1_VALUE) | |
102 ) { | |
103 style.setFillColor("#800080"); | |
104 style.setStrokeColor("#800080"); | |
105 } | |
106 else if (type.equals(DrawControl.BARRIER_PIPE2) | |
107 || type.equals(DrawControl.BARRIER_PIPE2_VALUE) | |
108 ) { | |
109 style.setFillColor("#808080"); | |
110 style.setStrokeColor("#808080"); | |
111 } | |
112 else if (type.equals(DrawControl.BARRIER_DAM) | |
113 || type.equals(DrawControl.BARRIER_DAM_VALUE) | |
114 ) { | |
115 style.setFillColor("#008000"); | |
116 style.setStrokeColor("#008000"); | |
117 } | |
118 else if (type.equals(DrawControl.BARRIER_DITCH) | |
119 || type.equals(DrawControl.BARRIER_DITCH_VALUE) | |
120 ) { | |
121 style.setFillColor("#800000"); | |
122 style.setStrokeColor("#800000"); | |
123 } | |
124 else if (type.equals(DrawControl.BARRIER_RINGDIKE) | |
125 || type.equals(DrawControl.BARRIER_RINGDIKE_VALUE) | |
126 ) { | |
127 style.setFill(false); | |
128 style.setStrokeColor("#FF8000"); | |
129 } | |
130 | |
131 return style; | |
132 } | |
133 | |
134 | |
135 public MapWidget getMapWidget() { | |
136 return mapWidget; | |
137 } | |
138 | |
139 | |
140 public Map getMap() { | |
141 return map; | |
142 } | |
143 | |
144 | |
145 public String getRiverProjection() { | |
146 return "EPSG:" + srid; | |
147 } | |
148 | |
149 | |
150 public Bounds getMaxExtent() { | |
151 return maxExtent; | |
152 } | |
153 | |
154 | |
155 public Vector getBarrierLayer() { | |
156 if (barrierLayer == null) { | |
157 final VectorOptions opts = new VectorOptions(); | |
158 opts.setProjection(getRiverProjection()); | |
159 opts.setMaxExtent(getMaxExtent()); | |
160 | |
161 barrierLayer = new Vector(LAYER_BARRIERS, opts); | |
162 barrierLayer.setIsBaseLayer(true); | |
163 | |
164 map.addLayer(barrierLayer); | |
165 map.setLayerZIndex(barrierLayer, 1000); | |
166 | |
167 barrierLayer.addVectorFeatureAddedListener(this); | |
168 } | |
169 | |
170 return barrierLayer; | |
171 } | |
172 | |
173 | |
174 public String getFeaturesAsGeoJSON() { | |
175 // disable features before exporting to GeoJSON | |
176 disableFeatures(); | |
177 | |
178 final VectorFeature[] features = barrierLayer.getFeatures(); | |
179 | |
180 if (features == null || features.length == 0) { | |
181 return null; | |
182 } | |
183 | |
184 return new GeoJSON().write(features); | |
185 } | |
186 | |
187 | |
188 public void setSize(String width, String height) { | |
189 mapWidget.setWidth(width); | |
190 mapWidget.setHeight(height); | |
191 final int currentZoom = map.getZoom(); | |
192 final LonLat currentCenter = map.getCenter(); | |
193 map.updateSize(); | |
194 map.zoomTo(currentZoom); | |
195 map.setCenter(currentCenter); | |
196 } | |
197 | |
198 | |
199 public void addLayer(Layer layer) { | |
200 if (layer != null) { | |
201 map.addLayer(layer); | |
202 | |
203 final int index = map.getLayerIndex(layer); | |
204 final int newIndex = index * (-1) + 1; | |
205 | |
206 map.raiseLayer(layer, newIndex); | |
207 | |
208 update(); | |
209 } | |
210 } | |
211 | |
212 | |
213 public void hideBarrierLayer () { | |
214 if (getBarrierLayer() != null) { | |
215 barrierLayer.setIsVisible(false); | |
216 } | |
217 } | |
218 | |
219 public void showBarrierLayer () { | |
220 if (getBarrierLayer() != null) { | |
221 barrierLayer.setIsVisible(true); | |
222 } | |
223 } | |
224 | |
225 | |
226 public void selectFeature(VectorFeature feature) { | |
227 if (feature != null) { | |
228 selectFeatures(new VectorFeature[] { feature } ); | |
229 } | |
230 } | |
231 | |
232 | |
233 public void selectFeatures(VectorFeature[] features) { | |
234 if (features == null || features.length == 0) { | |
235 return; | |
236 } | |
237 | |
238 for (final VectorFeature feature: features) { | |
239 final Attributes attr = feature.getAttributes(); | |
240 | |
241 if (attr.getAttributeAsInt(MARK_SELECTED) == 1) { | |
242 continue; | |
243 } | |
244 | |
245 attr.setAttribute(MARK_SELECTED, 1); | |
246 | |
247 final Style style = feature.getStyle(); | |
248 final double strokeWidth = style.getStrokeWidth(); | |
249 | |
250 style.setStrokeWidth(strokeWidth+SELECTED_STROKE_WIDTH); | |
251 } | |
252 | |
253 getBarrierLayer().redraw(); | |
254 } | |
255 | |
256 | |
257 public void disableFeatures() { | |
258 final Vector barriers = getBarrierLayer(); | |
259 final VectorFeature[] features = barriers.getFeatures(); | |
260 | |
261 if (features == null || features.length == 0) { | |
262 return; | |
263 } | |
264 | |
265 disableFeatures(features); | |
266 } | |
267 | |
268 | |
269 public void disableFeature(VectorFeature feature) { | |
270 if (feature != null) { | |
271 disableFeatures(new VectorFeature[] { feature }); | |
272 } | |
273 } | |
274 | |
275 | |
276 public void disableFeatures(VectorFeature[] features) { | |
277 if (features == null || features.length == 0) { | |
278 return; | |
279 } | |
280 | |
281 for (final VectorFeature feature: features) { | |
282 final Attributes attr = feature.getAttributes(); | |
283 | |
284 if (attr.getAttributeAsInt(MARK_SELECTED) == 0) { | |
285 continue; | |
286 } | |
287 | |
288 attr.setAttribute(FloodMap.MARK_SELECTED, 0); | |
289 | |
290 final Style style = feature.getStyle(); | |
291 final double strokeWidth = style.getStrokeWidth(); | |
292 | |
293 style.setStrokeWidth(strokeWidth-SELECTED_STROKE_WIDTH); | |
294 } | |
295 | |
296 getBarrierLayer().redraw(); | |
297 } | |
298 | |
299 | |
300 public void update() { | |
301 final Layer[] layers = map.getLayers(); | |
302 | |
303 for (final Layer l: layers) { | |
304 l.redraw(); | |
305 } | |
306 } | |
307 | |
308 | |
309 public void updateSize() { | |
310 this.map.updateSize(); | |
311 } | |
312 | |
313 | |
314 public void activateScaleLine(boolean activate) { | |
315 if (activate) { | |
316 final ScaleLineOptions slOpts = new ScaleLineOptions(); | |
317 slOpts.setBottomInUnits("m"); | |
318 slOpts.setBottomOutUnits("km"); | |
319 slOpts.setTopInUnits(""); | |
320 slOpts.setTopOutUnits(""); | |
321 | |
322 scaleLine = new ScaleLine(slOpts); | |
323 this.map.addControl(scaleLine); | |
324 } | |
325 else if (!activate && scaleLine != null){ | |
326 this.map.removeControl(scaleLine); | |
327 } | |
328 } | |
329 } | |
330 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |