source: josm/trunk/src/org/openstreetmap/josm/gui/layer/OsmDataLayer.java@ 7005

Last change on this file since 7005 was 7005, checked in by Don-vip, 10 years ago

see #8465 - use diamond operator where applicable
  • Property svn:eol-style set to native
File size: 29.4 KB
Line 
1// License: GPL. See LICENSE file for details.
2
3package org.openstreetmap.josm.gui.layer;
4
5import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
6import static org.openstreetmap.josm.tools.I18n.marktr;
7import static org.openstreetmap.josm.tools.I18n.tr;
8import static org.openstreetmap.josm.tools.I18n.trn;
9
10import java.awt.AlphaComposite;
11import java.awt.Color;
12import java.awt.Composite;
13import java.awt.Graphics2D;
14import java.awt.GridBagLayout;
15import java.awt.Image;
16import java.awt.Point;
17import java.awt.Rectangle;
18import java.awt.TexturePaint;
19import java.awt.event.ActionEvent;
20import java.awt.geom.Area;
21import java.awt.image.BufferedImage;
22import java.io.File;
23import java.util.ArrayList;
24import java.util.Arrays;
25import java.util.Collection;
26import java.util.HashMap;
27import java.util.HashSet;
28import java.util.List;
29import java.util.Map;
30import java.util.concurrent.CopyOnWriteArrayList;
31
32import javax.swing.AbstractAction;
33import javax.swing.Action;
34import javax.swing.Icon;
35import javax.swing.ImageIcon;
36import javax.swing.JLabel;
37import javax.swing.JOptionPane;
38import javax.swing.JPanel;
39import javax.swing.JScrollPane;
40
41import org.openstreetmap.josm.Main;
42import org.openstreetmap.josm.actions.ExpertToggleAction;
43import org.openstreetmap.josm.actions.RenameLayerAction;
44import org.openstreetmap.josm.actions.SaveActionBase;
45import org.openstreetmap.josm.actions.ToggleUploadDiscouragedLayerAction;
46import org.openstreetmap.josm.data.Bounds;
47import org.openstreetmap.josm.data.SelectionChangedListener;
48import org.openstreetmap.josm.data.conflict.Conflict;
49import org.openstreetmap.josm.data.conflict.ConflictCollection;
50import org.openstreetmap.josm.data.coor.LatLon;
51import org.openstreetmap.josm.data.gpx.GpxData;
52import org.openstreetmap.josm.data.gpx.ImmutableGpxTrack;
53import org.openstreetmap.josm.data.gpx.WayPoint;
54import org.openstreetmap.josm.data.osm.DataIntegrityProblemException;
55import org.openstreetmap.josm.data.osm.DataSet;
56import org.openstreetmap.josm.data.osm.DataSetMerger;
57import org.openstreetmap.josm.data.osm.DataSource;
58import org.openstreetmap.josm.data.osm.DatasetConsistencyTest;
59import org.openstreetmap.josm.data.osm.IPrimitive;
60import org.openstreetmap.josm.data.osm.Node;
61import org.openstreetmap.josm.data.osm.OsmPrimitive;
62import org.openstreetmap.josm.data.osm.Relation;
63import org.openstreetmap.josm.data.osm.Way;
64import org.openstreetmap.josm.data.osm.event.AbstractDatasetChangedEvent;
65import org.openstreetmap.josm.data.osm.event.DataSetListenerAdapter;
66import org.openstreetmap.josm.data.osm.event.DataSetListenerAdapter.Listener;
67import org.openstreetmap.josm.data.osm.visitor.AbstractVisitor;
68import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor;
69import org.openstreetmap.josm.data.osm.visitor.paint.MapRendererFactory;
70import org.openstreetmap.josm.data.osm.visitor.paint.Rendering;
71import org.openstreetmap.josm.data.osm.visitor.paint.relations.MultipolygonCache;
72import org.openstreetmap.josm.data.projection.Projection;
73import org.openstreetmap.josm.data.validation.TestError;
74import org.openstreetmap.josm.gui.ExtendedDialog;
75import org.openstreetmap.josm.gui.MapView;
76import org.openstreetmap.josm.gui.dialogs.LayerListDialog;
77import org.openstreetmap.josm.gui.dialogs.LayerListPopup;
78import org.openstreetmap.josm.gui.progress.PleaseWaitProgressMonitor;
79import org.openstreetmap.josm.gui.progress.ProgressMonitor;
80import org.openstreetmap.josm.gui.widgets.JosmTextArea;
81import org.openstreetmap.josm.tools.DateUtils;
82import org.openstreetmap.josm.tools.FilteredCollection;
83import org.openstreetmap.josm.tools.GBC;
84import org.openstreetmap.josm.tools.ImageProvider;
85
86/**
87 * A layer that holds OSM data from a specific dataset.
88 * The data can be fully edited.
89 *
90 * @author imi
91 */
92public class OsmDataLayer extends Layer implements Listener, SelectionChangedListener {
93 public static final String REQUIRES_SAVE_TO_DISK_PROP = OsmDataLayer.class.getName() + ".requiresSaveToDisk";
94 public static final String REQUIRES_UPLOAD_TO_SERVER_PROP = OsmDataLayer.class.getName() + ".requiresUploadToServer";
95
96 private boolean requiresSaveToFile = false;
97 private boolean requiresUploadToServer = false;
98 private boolean isChanged = true;
99 private int highlightUpdateCount;
100
101 /**
102 * List of validation errors in this layer.
103 * @since 3669
104 */
105 public final List<TestError> validationErrors = new ArrayList<>();
106
107 protected void setRequiresSaveToFile(boolean newValue) {
108 boolean oldValue = requiresSaveToFile;
109 requiresSaveToFile = newValue;
110 if (oldValue != newValue) {
111 propertyChangeSupport.firePropertyChange(REQUIRES_SAVE_TO_DISK_PROP, oldValue, newValue);
112 }
113 }
114
115 protected void setRequiresUploadToServer(boolean newValue) {
116 boolean oldValue = requiresUploadToServer;
117 requiresUploadToServer = newValue;
118 if (oldValue != newValue) {
119 propertyChangeSupport.firePropertyChange(REQUIRES_UPLOAD_TO_SERVER_PROP, oldValue, newValue);
120 }
121 }
122
123 /** the global counter for created data layers */
124 private static int dataLayerCounter = 0;
125
126 /**
127 * Replies a new unique name for a data layer
128 *
129 * @return a new unique name for a data layer
130 */
131 public static String createNewName() {
132 dataLayerCounter++;
133 return tr("Data Layer {0}", dataLayerCounter);
134 }
135
136 public static final class DataCountVisitor extends AbstractVisitor {
137 public int nodes;
138 public int ways;
139 public int relations;
140 public int deletedNodes;
141 public int deletedWays;
142 public int deletedRelations;
143
144 @Override
145 public void visit(final Node n) {
146 nodes++;
147 if (n.isDeleted()) {
148 deletedNodes++;
149 }
150 }
151
152 @Override
153 public void visit(final Way w) {
154 ways++;
155 if (w.isDeleted()) {
156 deletedWays++;
157 }
158 }
159
160 @Override
161 public void visit(final Relation r) {
162 relations++;
163 if (r.isDeleted()) {
164 deletedRelations++;
165 }
166 }
167 }
168
169 public interface CommandQueueListener {
170 void commandChanged(int queueSize, int redoSize);
171 }
172
173 /**
174 * Listener called when a state of this layer has changed.
175 */
176 public interface LayerStateChangeListener {
177 /**
178 * Notifies that the "upload discouraged" (upload=no) state has changed.
179 * @param layer The layer that has been modified
180 * @param newValue The new value of the state
181 */
182 void uploadDiscouragedChanged(OsmDataLayer layer, boolean newValue);
183 }
184
185 private final CopyOnWriteArrayList<LayerStateChangeListener> layerStateChangeListeners = new CopyOnWriteArrayList<>();
186
187 /**
188 * Adds a layer state change listener
189 *
190 * @param listener the listener. Ignored if null or already registered.
191 * @since 5519
192 */
193 public void addLayerStateChangeListener(LayerStateChangeListener listener) {
194 if (listener != null) {
195 layerStateChangeListeners.addIfAbsent(listener);
196 }
197 }
198
199 /**
200 * Removes a layer property change listener
201 *
202 * @param listener the listener. Ignored if null or already registered.
203 * @since 5519
204 */
205 public void removeLayerPropertyChangeListener(LayerStateChangeListener listener) {
206 layerStateChangeListeners.remove(listener);
207 }
208
209 /**
210 * The data behind this layer.
211 */
212 public final DataSet data;
213
214 /**
215 * the collection of conflicts detected in this layer
216 */
217 private ConflictCollection conflicts;
218
219 /**
220 * a paint texture for non-downloaded area
221 */
222 private static TexturePaint hatched;
223
224 static {
225 createHatchTexture();
226 }
227
228 public static Color getBackgroundColor() {
229 return Main.pref.getColor(marktr("background"), Color.BLACK);
230 }
231
232 public static Color getOutsideColor() {
233 return Main.pref.getColor(marktr("outside downloaded area"), Color.YELLOW);
234 }
235
236 /**
237 * Initialize the hatch pattern used to paint the non-downloaded area
238 */
239 public static void createHatchTexture() {
240 BufferedImage bi = new BufferedImage(15, 15, BufferedImage.TYPE_INT_ARGB);
241 Graphics2D big = bi.createGraphics();
242 big.setColor(getBackgroundColor());
243 Composite comp = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.3f);
244 big.setComposite(comp);
245 big.fillRect(0,0,15,15);
246 big.setColor(getOutsideColor());
247 big.drawLine(0,15,15,0);
248 Rectangle r = new Rectangle(0, 0, 15,15);
249 hatched = new TexturePaint(bi, r);
250 }
251
252 /**
253 * Construct a OsmDataLayer.
254 */
255 public OsmDataLayer(final DataSet data, final String name, final File associatedFile) {
256 super(name);
257 this.data = data;
258 this.setAssociatedFile(associatedFile);
259 conflicts = new ConflictCollection();
260 data.addDataSetListener(new DataSetListenerAdapter(this));
261 data.addDataSetListener(MultipolygonCache.getInstance());
262 DataSet.addSelectionListener(this);
263 }
264
265 protected Icon getBaseIcon() {
266 return ImageProvider.get("layer", "osmdata_small");
267 }
268
269 /**
270 * TODO: @return Return a dynamic drawn icon of the map data. The icon is
271 * updated by a background thread to not disturb the running programm.
272 */
273 @Override public Icon getIcon() {
274 Icon baseIcon = getBaseIcon();
275 if (isUploadDiscouraged()) {
276 return ImageProvider.overlay(baseIcon,
277 new ImageIcon(ImageProvider.get("warning-small").getImage().getScaledInstance(8, 8, Image.SCALE_SMOOTH)),
278 ImageProvider.OverlayPosition.SOUTHEAST);
279 } else {
280 return baseIcon;
281 }
282 }
283
284 /**
285 * Draw all primitives in this layer but do not draw modified ones (they
286 * are drawn by the edit layer).
287 * Draw nodes last to overlap the ways they belong to.
288 */
289 @Override public void paint(final Graphics2D g, final MapView mv, Bounds box) {
290 isChanged = false;
291 highlightUpdateCount = data.getHighlightUpdateCount();
292
293 boolean active = mv.getActiveLayer() == this;
294 boolean inactive = !active && Main.pref.getBoolean("draw.data.inactive_color", true);
295 boolean virtual = !inactive && mv.isVirtualNodesEnabled();
296
297 // draw the hatched area for non-downloaded region. only draw if we're the active
298 // and bounds are defined; don't draw for inactive layers or loaded GPX files etc
299 if (active && Main.pref.getBoolean("draw.data.downloaded_area", true) && !data.dataSources.isEmpty()) {
300 // initialize area with current viewport
301 Rectangle b = mv.getBounds();
302 // on some platforms viewport bounds seem to be offset from the left,
303 // over-grow it just to be sure
304 b.grow(100, 100);
305 Area a = new Area(b);
306
307 // now successively subtract downloaded areas
308 for (Bounds bounds : data.getDataSourceBounds()) {
309 if (bounds.isCollapsed()) {
310 continue;
311 }
312 Point p1 = mv.getPoint(bounds.getMin());
313 Point p2 = mv.getPoint(bounds.getMax());
314 Rectangle r = new Rectangle(Math.min(p1.x, p2.x),Math.min(p1.y, p2.y),Math.abs(p2.x-p1.x),Math.abs(p2.y-p1.y));
315 a.subtract(new Area(r));
316 }
317
318 // paint remainder
319 g.setPaint(hatched);
320 g.fill(a);
321 }
322
323 Rendering painter = MapRendererFactory.getInstance().createActiveRenderer(g, mv, inactive);
324 painter.render(data, virtual, box);
325 Main.map.conflictDialog.paintConflicts(g, mv);
326 }
327
328 @Override public String getToolTipText() {
329 int nodes = new FilteredCollection<>(data.getNodes(), OsmPrimitive.nonDeletedPredicate).size();
330 int ways = new FilteredCollection<>(data.getWays(), OsmPrimitive.nonDeletedPredicate).size();
331
332 String tool = trn("{0} node", "{0} nodes", nodes, nodes)+", ";
333 tool += trn("{0} way", "{0} ways", ways, ways);
334
335 if (data.getVersion() != null) {
336 tool += ", " + tr("version {0}", data.getVersion());
337 }
338 File f = getAssociatedFile();
339 if (f != null) {
340 tool = "<html>"+tool+"<br>"+f.getPath()+"</html>";
341 }
342 return tool;
343 }
344
345 @Override public void mergeFrom(final Layer from) {
346 final PleaseWaitProgressMonitor monitor = new PleaseWaitProgressMonitor(tr("Merging layers"));
347 monitor.setCancelable(false);
348 if (from instanceof OsmDataLayer && ((OsmDataLayer)from).isUploadDiscouraged()) {
349 setUploadDiscouraged(true);
350 }
351 mergeFrom(((OsmDataLayer)from).data, monitor);
352 monitor.close();
353 }
354
355 /**
356 * merges the primitives in dataset <code>from</code> into the dataset of
357 * this layer
358 *
359 * @param from the source data set
360 */
361 public void mergeFrom(final DataSet from) {
362 mergeFrom(from, null);
363 }
364
365 /**
366 * merges the primitives in dataset <code>from</code> into the dataset of
367 * this layer
368 *
369 * @param from the source data set
370 * @param progressMonitor the progress monitor, can be {@code null}
371 */
372 public void mergeFrom(final DataSet from, ProgressMonitor progressMonitor) {
373 final DataSetMerger visitor = new DataSetMerger(data,from);
374 try {
375 visitor.merge(progressMonitor);
376 } catch (DataIntegrityProblemException e) {
377 JOptionPane.showMessageDialog(
378 Main.parent,
379 e.getHtmlMessage() != null ? e.getHtmlMessage() : e.getMessage(),
380 tr("Error"),
381 JOptionPane.ERROR_MESSAGE
382 );
383 return;
384
385 }
386
387 Area a = data.getDataSourceArea();
388
389 // copy the merged layer's data source info.
390 // only add source rectangles if they are not contained in the layer already.
391 for (DataSource src : from.dataSources) {
392 if (a == null || !a.contains(src.bounds.asRect())) {
393 data.dataSources.add(src);
394 }
395 }
396
397 // copy the merged layer's API version, downgrade if required
398 if (data.getVersion() == null) {
399 data.setVersion(from.getVersion());
400 } else if ("0.5".equals(data.getVersion()) ^ "0.5".equals(from.getVersion())) {
401 Main.warn(tr("Mixing 0.6 and 0.5 data results in version 0.5"));
402 data.setVersion("0.5");
403 }
404
405 int numNewConflicts = 0;
406 for (Conflict<?> c : visitor.getConflicts()) {
407 if (!conflicts.hasConflict(c)) {
408 numNewConflicts++;
409 conflicts.add(c);
410 }
411 }
412 // repaint to make sure new data is displayed properly.
413 if (Main.isDisplayingMapView()) {
414 Main.map.mapView.repaint();
415 }
416 // warn about new conflicts
417 if (numNewConflicts > 0 && Main.map != null && Main.map.conflictDialog != null) {
418 Main.map.conflictDialog.warnNumNewConflicts(numNewConflicts);
419 }
420 }
421
422 @Override public boolean isMergable(final Layer other) {
423 // isUploadDiscouraged commented to allow merging between normal layers and discouraged layers with a warning (see #7684)
424 return other instanceof OsmDataLayer;// && (isUploadDiscouraged() == ((OsmDataLayer)other).isUploadDiscouraged());
425 }
426
427 @Override public void visitBoundingBox(final BoundingXYVisitor v) {
428 for (final Node n: data.getNodes()) {
429 if (n.isUsable()) {
430 v.visit(n);
431 }
432 }
433 }
434
435 /**
436 * Clean out the data behind the layer. This means clearing the redo/undo lists,
437 * really deleting all deleted objects and reset the modified flags. This should
438 * be done after an upload, even after a partial upload.
439 *
440 * @param processed A list of all objects that were actually uploaded.
441 * May be <code>null</code>, which means nothing has been uploaded
442 */
443 public void cleanupAfterUpload(final Collection<IPrimitive> processed) {
444 // return immediately if an upload attempt failed
445 if (processed == null || processed.isEmpty())
446 return;
447
448 Main.main.undoRedo.clean(this);
449
450 // if uploaded, clean the modified flags as well
451 data.cleanupDeletedPrimitives();
452 for (OsmPrimitive p: data.allPrimitives()) {
453 if (processed.contains(p)) {
454 p.setModified(false);
455 }
456 }
457 }
458
459
460 @Override public Object getInfoComponent() {
461 final DataCountVisitor counter = new DataCountVisitor();
462 for (final OsmPrimitive osm : data.allPrimitives()) {
463 osm.accept(counter);
464 }
465 final JPanel p = new JPanel(new GridBagLayout());
466
467 String nodeText = trn("{0} node", "{0} nodes", counter.nodes, counter.nodes);
468 if (counter.deletedNodes > 0) {
469 nodeText += " ("+trn("{0} deleted", "{0} deleted", counter.deletedNodes, counter.deletedNodes)+")";
470 }
471
472 String wayText = trn("{0} way", "{0} ways", counter.ways, counter.ways);
473 if (counter.deletedWays > 0) {
474 wayText += " ("+trn("{0} deleted", "{0} deleted", counter.deletedWays, counter.deletedWays)+")";
475 }
476
477 String relationText = trn("{0} relation", "{0} relations", counter.relations, counter.relations);
478 if (counter.deletedRelations > 0) {
479 relationText += " ("+trn("{0} deleted", "{0} deleted", counter.deletedRelations, counter.deletedRelations)+")";
480 }
481
482 p.add(new JLabel(tr("{0} consists of:", getName())), GBC.eol());
483 p.add(new JLabel(nodeText, ImageProvider.get("data", "node"), JLabel.HORIZONTAL), GBC.eop().insets(15,0,0,0));
484 p.add(new JLabel(wayText, ImageProvider.get("data", "way"), JLabel.HORIZONTAL), GBC.eop().insets(15,0,0,0));
485 p.add(new JLabel(relationText, ImageProvider.get("data", "relation"), JLabel.HORIZONTAL), GBC.eop().insets(15,0,0,0));
486 p.add(new JLabel(tr("API version: {0}", (data.getVersion() != null) ? data.getVersion() : tr("unset"))), GBC.eop().insets(15,0,0,0));
487 if (isUploadDiscouraged()) {
488 p.add(new JLabel(tr("Upload is discouraged")), GBC.eop().insets(15,0,0,0));
489 }
490
491 return p;
492 }
493
494 @Override public Action[] getMenuEntries() {
495 if (Main.applet)
496 return new Action[]{
497 LayerListDialog.getInstance().createActivateLayerAction(this),
498 LayerListDialog.getInstance().createShowHideLayerAction(),
499 LayerListDialog.getInstance().createDeleteLayerAction(),
500 SeparatorLayerAction.INSTANCE,
501 LayerListDialog.getInstance().createMergeLayerAction(this),
502 SeparatorLayerAction.INSTANCE,
503 new RenameLayerAction(getAssociatedFile(), this),
504 new ConsistencyTestAction(),
505 SeparatorLayerAction.INSTANCE,
506 new LayerListPopup.InfoAction(this)};
507 List<Action> actions = new ArrayList<>();
508 actions.addAll(Arrays.asList(new Action[]{
509 LayerListDialog.getInstance().createActivateLayerAction(this),
510 LayerListDialog.getInstance().createShowHideLayerAction(),
511 LayerListDialog.getInstance().createDeleteLayerAction(),
512 SeparatorLayerAction.INSTANCE,
513 LayerListDialog.getInstance().createMergeLayerAction(this),
514 new LayerSaveAction(this),
515 new LayerSaveAsAction(this),
516 }));
517 if (ExpertToggleAction.isExpert()) {
518 actions.addAll(Arrays.asList(new Action[]{
519 new LayerGpxExportAction(this),
520 new ConvertToGpxLayerAction()}));
521 }
522 actions.addAll(Arrays.asList(new Action[]{
523 SeparatorLayerAction.INSTANCE,
524 new RenameLayerAction(getAssociatedFile(), this)}));
525 if (ExpertToggleAction.isExpert() && Main.pref.getBoolean("data.layer.upload_discouragement.menu_item", false)) {
526 actions.add(new ToggleUploadDiscouragedLayerAction(this));
527 }
528 actions.addAll(Arrays.asList(new Action[]{
529 new ConsistencyTestAction(),
530 SeparatorLayerAction.INSTANCE,
531 new LayerListPopup.InfoAction(this)}));
532 return actions.toArray(new Action[actions.size()]);
533 }
534
535 public static GpxData toGpxData(DataSet data, File file) {
536 GpxData gpxData = new GpxData();
537 gpxData.storageFile = file;
538 HashSet<Node> doneNodes = new HashSet<>();
539 for (Way w : data.getWays()) {
540 if (!w.isUsable()) {
541 continue;
542 }
543 Collection<Collection<WayPoint>> trk = new ArrayList<>();
544 Map<String, Object> trkAttr = new HashMap<>();
545
546 if (w.get("name") != null) {
547 trkAttr.put("name", w.get("name"));
548 }
549
550 List<WayPoint> trkseg = null;
551 for (Node n : w.getNodes()) {
552 if (!n.isUsable()) {
553 trkseg = null;
554 continue;
555 }
556 if (trkseg == null) {
557 trkseg = new ArrayList<>();
558 trk.add(trkseg);
559 }
560 if (!n.isTagged()) {
561 doneNodes.add(n);
562 }
563 WayPoint wpt = new WayPoint(n.getCoor());
564 if (!n.isTimestampEmpty()) {
565 wpt.attr.put("time", DateUtils.fromDate(n.getTimestamp()));
566 wpt.setTime();
567 }
568 trkseg.add(wpt);
569 }
570
571 gpxData.tracks.add(new ImmutableGpxTrack(trk, trkAttr));
572 }
573
574 for (Node n : data.getNodes()) {
575 if (n.isIncomplete() || n.isDeleted() || doneNodes.contains(n)) {
576 continue;
577 }
578 WayPoint wpt = new WayPoint(n.getCoor());
579 String name = n.get("name");
580 if (name != null) {
581 wpt.attr.put("name", name);
582 }
583 if (!n.isTimestampEmpty()) {
584 wpt.attr.put("time", DateUtils.fromDate(n.getTimestamp()));
585 wpt.setTime();
586 }
587 String desc = n.get("description");
588 if (desc != null) {
589 wpt.attr.put("desc", desc);
590 }
591
592 gpxData.waypoints.add(wpt);
593 }
594 return gpxData;
595 }
596
597 public GpxData toGpxData() {
598 return toGpxData(data, getAssociatedFile());
599 }
600
601 public class ConvertToGpxLayerAction extends AbstractAction {
602 public ConvertToGpxLayerAction() {
603 super(tr("Convert to GPX layer"), ImageProvider.get("converttogpx"));
604 putValue("help", ht("/Action/ConvertToGpxLayer"));
605 }
606 @Override
607 public void actionPerformed(ActionEvent e) {
608 Main.main.addLayer(new GpxLayer(toGpxData(), tr("Converted from: {0}", getName())));
609 Main.main.removeLayer(OsmDataLayer.this);
610 }
611 }
612
613 public boolean containsPoint(LatLon coor) {
614 // we'll assume that if this has no data sources
615 // that it also has no borders
616 if (this.data.dataSources.isEmpty())
617 return true;
618
619 boolean layer_bounds_point = false;
620 for (DataSource src : this.data.dataSources) {
621 if (src.bounds.contains(coor)) {
622 layer_bounds_point = true;
623 break;
624 }
625 }
626 return layer_bounds_point;
627 }
628
629 /**
630 * replies the set of conflicts currently managed in this layer
631 *
632 * @return the set of conflicts currently managed in this layer
633 */
634 public ConflictCollection getConflicts() {
635 return conflicts;
636 }
637
638 /**
639 * Replies true if the data managed by this layer needs to be uploaded to
640 * the server because it contains at least one modified primitive.
641 *
642 * @return true if the data managed by this layer needs to be uploaded to
643 * the server because it contains at least one modified primitive; false,
644 * otherwise
645 */
646 public boolean requiresUploadToServer() {
647 return requiresUploadToServer;
648 }
649
650 /**
651 * Replies true if the data managed by this layer needs to be saved to
652 * a file. Only replies true if a file is assigned to this layer and
653 * if the data managed by this layer has been modified since the last
654 * save operation to the file.
655 *
656 * @return true if the data managed by this layer needs to be saved to
657 * a file
658 */
659 public boolean requiresSaveToFile() {
660 return getAssociatedFile() != null && requiresSaveToFile;
661 }
662
663 @Override
664 public void onPostLoadFromFile() {
665 setRequiresSaveToFile(false);
666 setRequiresUploadToServer(data.isModified());
667 }
668
669 public void onPostDownloadFromServer() {
670 setRequiresSaveToFile(true);
671 setRequiresUploadToServer(data.isModified());
672 }
673
674 @Override
675 public boolean isChanged() {
676 return isChanged || highlightUpdateCount != data.getHighlightUpdateCount();
677 }
678
679 /**
680 * Initializes the layer after a successful save of OSM data to a file
681 *
682 */
683 public void onPostSaveToFile() {
684 setRequiresSaveToFile(false);
685 setRequiresUploadToServer(data.isModified());
686 }
687
688 /**
689 * Initializes the layer after a successful upload to the server
690 *
691 */
692 public void onPostUploadToServer() {
693 setRequiresUploadToServer(data.isModified());
694 // keep requiresSaveToDisk unchanged
695 }
696
697 private class ConsistencyTestAction extends AbstractAction {
698
699 public ConsistencyTestAction() {
700 super(tr("Dataset consistency test"));
701 }
702
703 @Override
704 public void actionPerformed(ActionEvent e) {
705 String result = DatasetConsistencyTest.runTests(data);
706 if (result.length() == 0) {
707 JOptionPane.showMessageDialog(Main.parent, tr("No problems found"));
708 } else {
709 JPanel p = new JPanel(new GridBagLayout());
710 p.add(new JLabel(tr("Following problems found:")), GBC.eol());
711 JosmTextArea info = new JosmTextArea(result, 20, 60);
712 info.setCaretPosition(0);
713 info.setEditable(false);
714 p.add(new JScrollPane(info), GBC.eop());
715
716 JOptionPane.showMessageDialog(Main.parent, p, tr("Warning"), JOptionPane.WARNING_MESSAGE);
717 }
718 }
719 }
720
721 @Override
722 public void destroy() {
723 DataSet.removeSelectionListener(this);
724 }
725
726 @Override
727 public void processDatasetEvent(AbstractDatasetChangedEvent event) {
728 isChanged = true;
729 setRequiresSaveToFile(true);
730 setRequiresUploadToServer(true);
731 }
732
733 @Override
734 public void selectionChanged(Collection<? extends OsmPrimitive> newSelection) {
735 isChanged = true;
736 }
737
738 @Override
739 public void projectionChanged(Projection oldValue, Projection newValue) {
740 /*
741 * No reprojection required. The dataset itself is registered as projection
742 * change listener and already got notified.
743 */
744 }
745
746 public final boolean isUploadDiscouraged() {
747 return data.isUploadDiscouraged();
748 }
749
750 public final void setUploadDiscouraged(boolean uploadDiscouraged) {
751 if (uploadDiscouraged ^ isUploadDiscouraged()) {
752 data.setUploadDiscouraged(uploadDiscouraged);
753 for (LayerStateChangeListener l : layerStateChangeListeners) {
754 l.uploadDiscouragedChanged(this, uploadDiscouraged);
755 }
756 }
757 }
758
759 @Override
760 public boolean isSavable() {
761 return true; // With OsmExporter
762 }
763
764 @Override
765 public boolean checkSaveConditions() {
766 if (isDataSetEmpty()) {
767 ExtendedDialog dialog = new ExtendedDialog(
768 Main.parent,
769 tr("Empty document"),
770 new String[] {tr("Save anyway"), tr("Cancel")}
771 );
772 dialog.setContent(tr("The document contains no data."));
773 dialog.setButtonIcons(new String[] {"save.png", "cancel.png"});
774 dialog.showDialog();
775 if (dialog.getValue() != 1) return false;
776 }
777
778 ConflictCollection conflicts = getConflicts();
779 if (conflicts != null && !conflicts.isEmpty()) {
780 ExtendedDialog dialog = new ExtendedDialog(
781 Main.parent,
782 /* I18N: Display title of the window showing conflicts */
783 tr("Conflicts"),
784 new String[] {tr("Reject Conflicts and Save"), tr("Cancel")}
785 );
786 dialog.setContent(tr("There are unresolved conflicts. Conflicts will not be saved and handled as if you rejected all. Continue?"));
787 dialog.setButtonIcons(new String[] {"save.png", "cancel.png"});
788 dialog.showDialog();
789 if (dialog.getValue() != 1) return false;
790 }
791 return true;
792 }
793
794 /**
795 * Check the data set if it would be empty on save. It is empty, if it contains
796 * no objects (after all objects that are created and deleted without being
797 * transferred to the server have been removed).
798 *
799 * @return <code>true</code>, if a save result in an empty data set.
800 */
801 private boolean isDataSetEmpty() {
802 if (data != null) {
803 for (OsmPrimitive osm : data.allNonDeletedPrimitives())
804 if (!osm.isDeleted() || !osm.isNewOrUndeleted())
805 return false;
806 }
807 return true;
808 }
809
810 @Override
811 public File createAndOpenSaveFileChooser() {
812 return SaveActionBase.createAndOpenSaveFileChooser(tr("Save OSM file"), "osm");
813 }
814}
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