gvsig-vectorediting / org.gvsig.vectorediting / trunk / org.gvsig.vectorediting / org.gvsig.vectorediting.lib / org.gvsig.vectorediting.lib.prov / org.gvsig.vectorediting.lib.prov.polyline / src / main / java / org / gvsig / vectorediting / lib / prov / polyline / PolylineEditingProvider.java @ 575
History | View | Annotate | Download (21.2 KB)
1 |
/**
|
---|---|
2 |
* gvSIG. Desktop Geographic Information System.
|
3 |
*
|
4 |
* Copyright ? 2007-2014 gvSIG Association
|
5 |
*
|
6 |
* This program is free software; you can redistribute it and/or
|
7 |
* modify it under the terms of the GNU General Public License
|
8 |
* as published by the Free Software Foundation; either version 2
|
9 |
* of the License, or (at your option) any later version.
|
10 |
*
|
11 |
* This program is distributed in the hope that it will be useful,
|
12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
14 |
* GNU General Public License for more details.
|
15 |
*
|
16 |
* You should have received a copy of the GNU General Public License
|
17 |
* along with this program; if not, write to the Free Software
|
18 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
19 |
* MA 02110-1301, USA.
|
20 |
*
|
21 |
* For any additional information, do not hesitate to contact us
|
22 |
* at info AT gvsig.com, or visit our website www.gvsig.com.
|
23 |
*/
|
24 |
|
25 |
package org.gvsig.vectorediting.lib.prov.polyline; |
26 |
|
27 |
import java.util.ArrayList; |
28 |
import java.util.LinkedHashMap; |
29 |
import java.util.List; |
30 |
import java.util.Map; |
31 |
|
32 |
import org.gvsig.fmap.dal.exception.DataException; |
33 |
import org.gvsig.fmap.dal.feature.FeatureStore; |
34 |
import org.gvsig.fmap.geom.Geometry; |
35 |
import org.gvsig.fmap.geom.GeometryException; |
36 |
import org.gvsig.fmap.geom.GeometryLocator; |
37 |
import org.gvsig.fmap.geom.GeometryManager; |
38 |
import org.gvsig.fmap.geom.aggregate.MultiCurve; |
39 |
import org.gvsig.fmap.geom.aggregate.MultiLine; |
40 |
import org.gvsig.fmap.geom.operation.GeometryOperationException; |
41 |
import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
42 |
import org.gvsig.fmap.geom.primitive.Arc; |
43 |
import org.gvsig.fmap.geom.primitive.Curve; |
44 |
import org.gvsig.fmap.geom.primitive.Line; |
45 |
import org.gvsig.fmap.geom.primitive.OrientablePrimitive; |
46 |
import org.gvsig.fmap.geom.primitive.Point; |
47 |
import org.gvsig.fmap.geom.primitive.Surface; |
48 |
import org.gvsig.fmap.geom.type.GeometryType; |
49 |
import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol; |
50 |
import org.gvsig.tools.ToolsLocator; |
51 |
import org.gvsig.tools.dynobject.DynObject; |
52 |
import org.gvsig.tools.exception.BaseException; |
53 |
import org.gvsig.tools.i18n.I18nManager; |
54 |
import org.gvsig.tools.service.spi.ProviderServices; |
55 |
import org.gvsig.vectorediting.lib.api.DrawingStatus; |
56 |
import org.gvsig.vectorediting.lib.api.EditingServiceParameter; |
57 |
import org.gvsig.vectorediting.lib.api.EditingServiceParameter.TYPE; |
58 |
import org.gvsig.vectorediting.lib.api.exceptions.DrawServiceException; |
59 |
import org.gvsig.vectorediting.lib.api.exceptions.FinishServiceException; |
60 |
import org.gvsig.vectorediting.lib.api.exceptions.InvalidEntryException; |
61 |
import org.gvsig.vectorediting.lib.api.exceptions.StartServiceException; |
62 |
import org.gvsig.vectorediting.lib.api.exceptions.VectorEditingException; |
63 |
import org.gvsig.vectorediting.lib.spi.AbstractEditingProvider; |
64 |
import org.gvsig.vectorediting.lib.spi.DefaultDrawingStatus; |
65 |
import org.gvsig.vectorediting.lib.spi.DefaultEditingServiceParameter; |
66 |
import org.gvsig.vectorediting.lib.spi.EditingProvider; |
67 |
import org.gvsig.vectorediting.lib.spi.EditingProviderFactory; |
68 |
import org.gvsig.vectorediting.lib.spi.EditingProviderLocator; |
69 |
import org.gvsig.vectorediting.lib.spi.EditingProviderManager; |
70 |
import org.gvsig.vectorediting.lib.spi.EditingProviderServices; |
71 |
|
72 |
public class PolylineEditingProvider extends AbstractEditingProvider implements EditingProvider { |
73 |
|
74 |
protected EditingProviderServices editingProviderServices = (EditingProviderServices) getProviderServices();
|
75 |
|
76 |
protected EditingServiceParameter points;
|
77 |
|
78 |
protected Map<String, String> options; |
79 |
|
80 |
private boolean arcMode; |
81 |
|
82 |
private boolean finishPolyline; |
83 |
|
84 |
private boolean closeGeometry; |
85 |
|
86 |
private List<MyPolyLinePoint> values; |
87 |
|
88 |
protected FeatureStore featureStore;
|
89 |
|
90 |
public PolylineEditingProvider(ProviderServices providerServices, DynObject parameters) {
|
91 |
super(providerServices);
|
92 |
|
93 |
// Initialize all provider variables.
|
94 |
this.featureStore = (FeatureStore) parameters.getDynValue(EditingProviderFactory.FEATURE_STORE_FIELD);
|
95 |
|
96 |
I18nManager i18nManager = ToolsLocator.getI18nManager(); |
97 |
|
98 |
options = new LinkedHashMap<String, String>(); |
99 |
options.put(i18nManager.getTranslation("key_arc_mode"), "arc_mode"); |
100 |
options.put(i18nManager.getTranslation("key_line_mode"), "line_mode"); |
101 |
options.put(i18nManager.getTranslation("key_close"), "close_polyline"); |
102 |
options.put(i18nManager.getTranslation("key_finish"), "finish"); |
103 |
options.put(i18nManager.getTranslation("key_remove_last_point"), "remove_last_point"); |
104 |
|
105 |
String consoleMsg = editingProviderServices.makeConsoleMessage("indicate_new_point", options); |
106 |
|
107 |
points = |
108 |
new DefaultEditingServiceParameter("insert_point", consoleMsg, options, TYPE.LIST_POSITIONS, TYPE.OPTION); |
109 |
|
110 |
arcMode = false;
|
111 |
finishPolyline = false;
|
112 |
closeGeometry = false;
|
113 |
} |
114 |
|
115 |
/**
|
116 |
* Calculates polyline with stored values and last position received as
|
117 |
* parameter. If last position is null calculates only with stored values.
|
118 |
*
|
119 |
* @param lastPosition
|
120 |
* of polyline.
|
121 |
* @return A drawing status value with a list of geometries. See
|
122 |
* {@link DrawingStatus#getGeometries()}.
|
123 |
*/
|
124 |
private DrawingStatus calculatePolyline(Point lastPosition) throws VectorEditingException { |
125 |
DefaultDrawingStatus drawingStatus = new DefaultDrawingStatus();
|
126 |
EditingProviderManager editingProviderManager = EditingProviderLocator.getProviderManager(); |
127 |
ISymbol lineSymbolEditing = editingProviderManager.getSymbol("line-symbol-editing");
|
128 |
ISymbol auxiliaryLineSymbolEditing = editingProviderManager.getSymbol("auxiliary-line-symbol-editing");
|
129 |
ISymbol auxiliaryPointSymbolEditing = editingProviderManager.getSymbol("auxiliary-point-symbol-editing");
|
130 |
|
131 |
Double antm = null; |
132 |
Double antb = null; |
133 |
Double m = null; |
134 |
Double b = null; |
135 |
Point center = null; |
136 |
double radius = 0.0; |
137 |
double startAngle = 0.0; |
138 |
double endAngle = 0.0; |
139 |
double angleExt = 0.0; |
140 |
boolean right = false; |
141 |
boolean addGeom = false; |
142 |
|
143 |
GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
144 |
|
145 |
Curve lineAntPointToPoint = null;
|
146 |
|
147 |
if (values.size() >= 1) { |
148 |
for (int i = 0; i < values.size(); i++) { |
149 |
|
150 |
MyPolyLinePoint polyLinePoint = values.get(i); |
151 |
MyPolyLinePoint polyLineNextPoint = getNextPoint(i); |
152 |
|
153 |
Point point = polyLinePoint.getPoint();
|
154 |
Point nextPoint;
|
155 |
|
156 |
if (polyLineNextPoint == null) { |
157 |
nextPoint = lastPosition; |
158 |
addGeom = true;
|
159 |
} else {
|
160 |
nextPoint = polyLineNextPoint.getPoint(); |
161 |
} |
162 |
|
163 |
if (nextPoint == null) { |
164 |
return drawingStatus;
|
165 |
} |
166 |
try {
|
167 |
if (polyLinePoint.isArcMode()) {
|
168 |
EditingProviderServices editingProviderServices = |
169 |
((EditingProviderServices) getProviderServices()); |
170 |
int subtype = editingProviderServices.getSubType(featureStore);
|
171 |
|
172 |
lineAntPointToPoint = editingProviderServices.createLine(point, nextPoint, subtype); |
173 |
|
174 |
Double[] lineParams = editingProviderServices.getLineParams(point, nextPoint); |
175 |
m = lineParams[0];
|
176 |
b = lineParams[1];
|
177 |
|
178 |
Point[] pointPerpendicular = |
179 |
editingProviderServices.getPerpendicular(antm, antb, point, subtype); |
180 |
Line linePointPerpendicular = geomManager.createLine(subtype);
|
181 |
linePointPerpendicular.setPoints(pointPerpendicular[0], pointPerpendicular[1]); |
182 |
|
183 |
Point midPoint = editingProviderServices.getMidPoint(point, nextPoint, subtype);
|
184 |
Point[] bisector = editingProviderServices.getPerpendicular(m, b, midPoint, subtype); |
185 |
Line lineBisector = geomManager.createLine(subtype);
|
186 |
lineBisector.setPoints(bisector[0], bisector[1]); |
187 |
|
188 |
center = editingProviderServices.getIntersection(bisector, pointPerpendicular, subtype); |
189 |
|
190 |
if (center != null) { |
191 |
startAngle = editingProviderServices.getAngle(center, point); |
192 |
endAngle = editingProviderServices.getAngle(center, nextPoint); |
193 |
|
194 |
radius = center.distance(point); |
195 |
} else {
|
196 |
String msg =
|
197 |
String.format("Can't get intersection between bisector" + " [(%1$s,%2$s),(%3$s,%4$s)]" |
198 |
+ " and perperdicular" + " [(%5$s,%6$s),(%7$s,%8$s)]", bisector[0].getX(), |
199 |
bisector[0].getY(), bisector[1].getX(), bisector[1].getY(), |
200 |
pointPerpendicular[0].getX(), pointPerpendicular[0].getY(), |
201 |
pointPerpendicular[1].getX(), pointPerpendicular[1].getY()); |
202 |
|
203 |
throw new DrawServiceException(msg, null); |
204 |
} |
205 |
|
206 |
Double[] lineCenterNextParams = editingProviderServices.getLineParams(center, nextPoint); |
207 |
double mcn = lineParams[0]; |
208 |
double bcn = lineParams[1]; |
209 |
|
210 |
if (right) {
|
211 |
if (m >= antm) {
|
212 |
if(mcn >= antm){
|
213 |
angleExt = -editingProviderServices.angleDistance(startAngle, endAngle); |
214 |
} else {
|
215 |
angleExt = editingProviderServices.angleDistance(endAngle, startAngle); |
216 |
} |
217 |
right = !(nextPoint.getY() >= center.getY()); |
218 |
} else {
|
219 |
angleExt = -editingProviderServices.angleDistance(startAngle, endAngle); |
220 |
right = (nextPoint.getY() >= center.getY()); |
221 |
} |
222 |
} else {
|
223 |
if (m >= antm) {
|
224 |
angleExt = editingProviderServices.angleDistance(endAngle, startAngle); |
225 |
right = !(nextPoint.getY() >= center.getY()); |
226 |
} else {
|
227 |
angleExt = -editingProviderServices.angleDistance(startAngle, endAngle); |
228 |
right = (nextPoint.getY() >= center.getY()); |
229 |
} |
230 |
} |
231 |
|
232 |
Arc arco = null;
|
233 |
arco = editingProviderServices.createArc(center, radius, startAngle, angleExt, Geometry.SUBTYPES.GEOM2D); |
234 |
// Arc inverseArc = (Arc) geomManager.create(Geometry.TYPES.ARC, subtype);
|
235 |
// inverseArc.setPoints(arco.getEndPoint(), arco.getMiddlePoint(), arco.getInitPoint());
|
236 |
// arco = inverseArc;
|
237 |
|
238 |
antm = -(nextPoint.getX() - center.getX()) / (nextPoint.getY() - center.getY()); |
239 |
if (antm == Double.POSITIVE_INFINITY) { |
240 |
antb = Double.NEGATIVE_INFINITY;
|
241 |
if (nextPoint.getX() == 0) { |
242 |
antb = 0.0;
|
243 |
} |
244 |
} else if (antm == Double.NEGATIVE_INFINITY) { |
245 |
antb = Double.POSITIVE_INFINITY;
|
246 |
if (nextPoint.getX() == 0) { |
247 |
antb = 0.0;
|
248 |
} |
249 |
} else {
|
250 |
antb = nextPoint.getY() - (antm * nextPoint.getX()); |
251 |
} |
252 |
|
253 |
// Draw geometries.
|
254 |
if (addGeom) {
|
255 |
drawingStatus.addStatus(point, auxiliaryPointSymbolEditing, "");
|
256 |
drawingStatus.addStatus(nextPoint, auxiliaryPointSymbolEditing, "");
|
257 |
drawingStatus.addStatus(center, auxiliaryPointSymbolEditing, "");
|
258 |
drawingStatus.addStatus(lineAntPointToPoint, auxiliaryLineSymbolEditing, "");
|
259 |
|
260 |
} |
261 |
drawingStatus.addStatus(arco, lineSymbolEditing, "");
|
262 |
|
263 |
} else {
|
264 |
int subtype = editingProviderServices.getSubType(featureStore);
|
265 |
Curve geometry = editingProviderServices.createLine(point, nextPoint, subtype); |
266 |
if (addGeom) {
|
267 |
drawingStatus.addStatus(point, auxiliaryPointSymbolEditing, "");
|
268 |
drawingStatus.addStatus(nextPoint, auxiliaryPointSymbolEditing, "");
|
269 |
} |
270 |
drawingStatus.addStatus(geometry, lineSymbolEditing, "");
|
271 |
|
272 |
Double[] antLineParams = editingProviderServices.getLineParams(point, nextPoint); |
273 |
antm = antLineParams[0];
|
274 |
antb = antLineParams[1];
|
275 |
right = (nextPoint.getX() >= point.getX()); |
276 |
} |
277 |
} catch (Exception e) { |
278 |
throw new DrawServiceException(e); |
279 |
} |
280 |
} |
281 |
return drawingStatus;
|
282 |
} |
283 |
return null; |
284 |
} |
285 |
|
286 |
protected Geometry closeGeometryIfNecessary(Geometry geometry) {
|
287 |
if (!isClose(geometry) && (geometry != null)) { |
288 |
|
289 |
if (geometry instanceof Surface) { |
290 |
Surface surface = (Surface) geometry; |
291 |
Point firstp = surface.getVertex(0); |
292 |
firstp = (Point) firstp.cloneGeometry();
|
293 |
surface.addVertex(firstp); |
294 |
return surface;
|
295 |
} else if (geometry instanceof Curve) { |
296 |
Curve line = (Curve) geometry; |
297 |
Point firstp = line.getVertex(0); |
298 |
firstp = (Point) firstp.cloneGeometry();
|
299 |
line.addVertex(firstp); |
300 |
return line;
|
301 |
} |
302 |
} |
303 |
return geometry;
|
304 |
} |
305 |
|
306 |
public DrawingStatus getDrawingStatus(Point mousePosition) throws DrawServiceException { |
307 |
|
308 |
try {
|
309 |
return calculatePolyline(mousePosition);
|
310 |
|
311 |
} catch (Exception e) { |
312 |
throw new DrawServiceException(e); |
313 |
} |
314 |
} |
315 |
|
316 |
public void finishAndStore() throws FinishServiceException { |
317 |
try {
|
318 |
Geometry geometry = finish(); |
319 |
if (geometry != null) { |
320 |
editingProviderServices.insertGeometryIntoFeatureStore(geometry, featureStore); |
321 |
} |
322 |
} catch (Exception e) { |
323 |
throw new FinishServiceException(e); |
324 |
} |
325 |
} |
326 |
|
327 |
public Geometry finish() throws FinishServiceException { |
328 |
try {
|
329 |
GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
330 |
GeometryType storeGeomType = editingProviderServices.getGeomType(featureStore); |
331 |
Line line = geomManager.createLine(storeGeomType.getSubType());
|
332 |
calculateFinalGeometry(storeGeomType, line); |
333 |
|
334 |
if (closeGeometry) {
|
335 |
line = (Line) closeGeometryIfNecessary(line);
|
336 |
} |
337 |
|
338 |
if (storeGeomType.isTypeOf(MULTICURVE)) {
|
339 |
MultiCurve multiCurve = geomManager.createMultiCurve(storeGeomType.getSubType()); |
340 |
multiCurve.addCurve(line); |
341 |
return multiCurve;
|
342 |
} else {
|
343 |
return line;
|
344 |
} |
345 |
|
346 |
} catch (BaseException e) {
|
347 |
throw new FinishServiceException(e); |
348 |
} |
349 |
} |
350 |
|
351 |
/**
|
352 |
* Calculate the final geometry reversing the geometries of the
|
353 |
* drawingStatus if needed.
|
354 |
*
|
355 |
* @param geometryType
|
356 |
* @param orientablePrimitive
|
357 |
* @throws DataException
|
358 |
* @throws VectorEditingException
|
359 |
* @throws GeometryException
|
360 |
* @throws GeometryOperationException
|
361 |
* @throws GeometryOperationNotSupportedException
|
362 |
*/
|
363 |
protected void calculateFinalGeometry(GeometryType geometryType, OrientablePrimitive orientablePrimitive) |
364 |
throws DataException, VectorEditingException, GeometryException, GeometryOperationNotSupportedException, GeometryOperationException {
|
365 |
DrawingStatus drawingStatus = calculatePolyline(null);
|
366 |
Point vertexAnt = null; |
367 |
for (Geometry geometry : drawingStatus.getGeometries()) {
|
368 |
if (geometry instanceof Line) { |
369 |
Line line = (Line) geometry; |
370 |
for (int i = 0; i < line.getNumVertices(); i++) { |
371 |
if ((vertexAnt == null) || !vertexAnt.equals(line.getVertex(i))) { |
372 |
orientablePrimitive.addVertex(line.getVertex(i)); |
373 |
vertexAnt = line.getVertex(i); |
374 |
} |
375 |
} |
376 |
} else if(geometry instanceof Curve){ |
377 |
MultiLine multiline = geometry.toLines(); |
378 |
for(int i=0; i<multiline.getPrimitivesNumber(); i++){ |
379 |
Line line = (Line)multiline.getPrimitiveAt(i); |
380 |
if(line.getNumVertices()>0 && vertexAnt!= null && line.getVertex(0)!=vertexAnt){ |
381 |
line.flip(); |
382 |
} |
383 |
for (int j = 0; j < line.getNumVertices(); j++) { |
384 |
if ((vertexAnt == null) || !vertexAnt.equals(line.getVertex(j))) { |
385 |
orientablePrimitive.addVertex(line.getVertex(j)); |
386 |
vertexAnt = line.getVertex(j); |
387 |
} |
388 |
} |
389 |
} |
390 |
} |
391 |
} |
392 |
} |
393 |
|
394 |
public String getName() { |
395 |
return PolylineEditingProviderFactory.PROVIDER_NAME;
|
396 |
} |
397 |
|
398 |
private MyPolyLinePoint getNextPoint(int i) { |
399 |
if (!values.isEmpty() && (i < (values.size() - 1))) { |
400 |
return values.get(i + 1); |
401 |
} |
402 |
return null; |
403 |
} |
404 |
|
405 |
public List<EditingServiceParameter> getParameters() { |
406 |
List<EditingServiceParameter> list = new ArrayList<EditingServiceParameter>(); |
407 |
list.add(points); |
408 |
return list;
|
409 |
} |
410 |
|
411 |
private boolean isClose(Geometry geometry) { |
412 |
|
413 |
if (geometry != null) { |
414 |
|
415 |
if (geometry instanceof OrientablePrimitive) { |
416 |
OrientablePrimitive orientablePrimitive = (OrientablePrimitive) geometry; |
417 |
Point firstPoint = orientablePrimitive.getVertex(0); |
418 |
Point lastPoint = orientablePrimitive.getVertex(orientablePrimitive.getNumVertices() - 1); |
419 |
if (firstPoint.equals(lastPoint)) {
|
420 |
return true; |
421 |
} |
422 |
} |
423 |
} |
424 |
return false; |
425 |
} |
426 |
|
427 |
public EditingServiceParameter next() {
|
428 |
if (finishPolyline) {
|
429 |
return null; |
430 |
} else {
|
431 |
return points;
|
432 |
} |
433 |
|
434 |
} |
435 |
|
436 |
public void start() throws StartServiceException { |
437 |
// Stop service;
|
438 |
stop(); |
439 |
|
440 |
values = new ArrayList<MyPolyLinePoint>(); |
441 |
} |
442 |
|
443 |
public void stop() { |
444 |
if (values != null) { |
445 |
values.clear(); |
446 |
} |
447 |
arcMode = false;
|
448 |
finishPolyline = false;
|
449 |
closeGeometry = false;
|
450 |
} |
451 |
|
452 |
private void validateAndInsertValue(EditingServiceParameter param, Object value) throws InvalidEntryException { |
453 |
if (value instanceof String) { |
454 |
String option = (String) value; |
455 |
I18nManager i18nManager = ToolsLocator.getI18nManager(); |
456 |
|
457 |
if (option.equalsIgnoreCase(i18nManager.getTranslation("key_finish"))) { |
458 |
finishPolyline = true;
|
459 |
return;
|
460 |
} |
461 |
|
462 |
if (values.size() > 0) { |
463 |
if (option.equalsIgnoreCase(i18nManager.getTranslation("key_remove_last_point"))) { |
464 |
arcMode = values.get(values.size() - 1).isArcMode();
|
465 |
if (values.size() > 2) { |
466 |
values.get(values.size() - 2).setArcMode(arcMode);
|
467 |
} else {
|
468 |
arcMode = false;
|
469 |
} |
470 |
values.remove(values.size() - 1);
|
471 |
return;
|
472 |
} |
473 |
} |
474 |
|
475 |
if (values.size() >= 2) { |
476 |
|
477 |
if (option.equalsIgnoreCase(i18nManager.getTranslation("key_arc_mode"))) { |
478 |
|
479 |
arcMode = true;
|
480 |
|
481 |
} else if (option.equalsIgnoreCase(i18nManager.getTranslation("key_line_mode"))) { |
482 |
|
483 |
arcMode = false;
|
484 |
|
485 |
} else if (option.equalsIgnoreCase(i18nManager.getTranslation("key_close"))) { |
486 |
|
487 |
closeGeometry = true;
|
488 |
finishPolyline = true;
|
489 |
} |
490 |
} else {
|
491 |
throw new InvalidEntryException(null); |
492 |
} |
493 |
|
494 |
if (values.size() > 0) { |
495 |
values.get(values.size() - 1).setArcMode(arcMode);
|
496 |
return;
|
497 |
} |
498 |
|
499 |
} else if ((param == points) && (value instanceof Point)) { |
500 |
values.add(new MyPolyLinePoint((Point) value, arcMode)); |
501 |
return;
|
502 |
} |
503 |
throw new InvalidEntryException(null); |
504 |
} |
505 |
|
506 |
public void setValue(Object value) throws InvalidEntryException { |
507 |
EditingServiceParameter param = next(); |
508 |
validateAndInsertValue(param, value); |
509 |
} |
510 |
|
511 |
} |