source: josm/trunk/src/org/openstreetmap/josm/gui/layer/OsmDataLayer.java@ 7299

Last change on this file since 7299 was 7299, checked in by Don-vip, 10 years ago

fix #10121 - Add a new look-and-feel preference to display ISO 8601 dates globally
  • Property svn:eol-style set to native
File size: 29.2 KB
Line 
1// License: GPL. See LICENSE file for details.
2package org.openstreetmap.josm.gui.layer;
3
4import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
5import static org.openstreetmap.josm.tools.I18n.marktr;
6import static org.openstreetmap.josm.tools.I18n.tr;
7import static org.openstreetmap.josm.tools.I18n.trn;
8
9import java.awt.AlphaComposite;
10import java.awt.Color;
11import java.awt.Composite;
12import java.awt.Graphics2D;
13import java.awt.GridBagLayout;
14import java.awt.Image;
15import java.awt.Point;
16import java.awt.Rectangle;
17import java.awt.TexturePaint;
18import java.awt.event.ActionEvent;
19import java.awt.geom.Area;
20import java.awt.image.BufferedImage;
21import java.io.File;
22import java.util.ArrayList;
23import java.util.Arrays;
24import java.util.Collection;
25import java.util.HashMap;
26import java.util.HashSet;
27import java.util.List;
28import java.util.Map;
29import java.util.concurrent.Callable;
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.util.GuiHelper;
81import org.openstreetmap.josm.gui.widgets.JosmTextArea;
82import org.openstreetmap.josm.tools.FilteredCollection;
83import org.openstreetmap.josm.tools.GBC;
84import org.openstreetmap.josm.tools.ImageProvider;
85import org.openstreetmap.josm.tools.date.DateUtils;
86
87/**
88 * A layer that holds OSM data from a specific dataset.
89 * The data can be fully edited.
90 *
91 * @author imi
92 */
93public class OsmDataLayer extends Layer implements Listener, SelectionChangedListener {
94 public static final String REQUIRES_SAVE_TO_DISK_PROP = OsmDataLayer.class.getName() + ".requiresSaveToDisk";
95 public static final String REQUIRES_UPLOAD_TO_SERVER_PROP = OsmDataLayer.class.getName() + ".requiresUploadToServer";
96
97 private boolean requiresSaveToFile = false;
98 private boolean requiresUploadToServer = false;
99 private boolean isChanged = true;
100 private int highlightUpdateCount;
101
102 /**
103 * List of validation errors in this layer.
104 * @since 3669
105 */
106 public final List<TestError> validationErrors = new ArrayList<>();
107
108 protected void setRequiresSaveToFile(boolean newValue) {
109 boolean oldValue = requiresSaveToFile;
110 requiresSaveToFile = newValue;
111 if (oldValue != newValue) {
112 propertyChangeSupport.firePropertyChange(REQUIRES_SAVE_TO_DISK_PROP, oldValue, newValue);
113 }
114 }
115
116 protected void setRequiresUploadToServer(boolean newValue) {
117 boolean oldValue = requiresUploadToServer;
118 requiresUploadToServer = newValue;
119 if (oldValue != newValue) {
120 propertyChangeSupport.firePropertyChange(REQUIRES_UPLOAD_TO_SERVER_PROP, oldValue, newValue);
121 }
122 }
123
124 /** the global counter for created data layers */
125 private static int dataLayerCounter = 0;
126
127 /**
128 * Replies a new unique name for a data layer
129 *
130 * @return a new unique name for a data layer
131 */
132 public static String createNewName() {
133 dataLayerCounter++;
134 return tr("Data Layer {0}", dataLayerCounter);
135 }
136
137 public static final class DataCountVisitor extends AbstractVisitor {
138 public int nodes;
139 public int ways;
140 public int relations;
141 public int deletedNodes;
142 public int deletedWays;
143 public int deletedRelations;
144
145 @Override
146 public void visit(final Node n) {
147 nodes++;
148 if (n.isDeleted()) {
149 deletedNodes++;
150 }
151 }
152
153 @Override
154 public void visit(final Way w) {
155 ways++;
156 if (w.isDeleted()) {
157 deletedWays++;
158 }
159 }
160
161 @Override
162 public void visit(final Relation r) {
163 relations++;
164 if (r.isDeleted()) {
165 deletedRelations++;
166 }
167 }
168 }
169
170 public interface CommandQueueListener {
171 void commandChanged(int queueSize, int redoSize);
172 }
173
174 /**
175 * Listener called when a state of this layer has changed.
176 */
177 public interface LayerStateChangeListener {
178 /**
179 * Notifies that the "upload discouraged" (upload=no) state has changed.
180 * @param layer The layer that has been modified
181 * @param newValue The new value of the state
182 */
183 void uploadDiscouragedChanged(OsmDataLayer layer, boolean newValue);
184 }
185
186 private final CopyOnWriteArrayList<LayerStateChangeListener> layerStateChangeListeners = new CopyOnWriteArrayList<>();
187
188 /**
189 * Adds a layer state change listener
190 *
191 * @param listener the listener. Ignored if null or already registered.
192 * @since 5519
193 */
194 public void addLayerStateChangeListener(LayerStateChangeListener listener) {
195 if (listener != null) {
196 layerStateChangeListeners.addIfAbsent(listener);
197 }
198 }
199
200 /**
201 * Removes a layer property change listener
202 *
203 * @param listener the listener. Ignored if null or already registered.
204 * @since 5519
205 */
206 public void removeLayerPropertyChangeListener(LayerStateChangeListener listener) {
207 layerStateChangeListeners.remove(listener);
208 }
209
210 /**
211 * The data behind this layer.
212 */
213 public final DataSet data;
214
215 /**
216 * the collection of conflicts detected in this layer
217 */
218 private ConflictCollection conflicts;
219
220 /**
221 * a paint texture for non-downloaded area
222 */
223 private static TexturePaint hatched;
224
225 static {
226 createHatchTexture();
227 }
228
229 public static Color getBackgroundColor() {
230 return Main.pref.getColor(marktr("background"), Color.BLACK);
231 }
232
233 public static Color getOutsideColor() {
234 return Main.pref.getColor(marktr("outside downloaded area"), Color.YELLOW);
235 }
236
237 /**
238 * Initialize the hatch pattern used to paint the non-downloaded area
239 */
240 public static void createHatchTexture() {
241 BufferedImage bi = new BufferedImage(15, 15, BufferedImage.TYPE_INT_ARGB);
242 Graphics2D big = bi.createGraphics();
243 big.setColor(getBackgroundColor());
244 Composite comp = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.3f);
245 big.setComposite(comp);
246 big.fillRect(0,0,15,15);
247 big.setColor(getOutsideColor());
248 big.drawLine(0,15,15,0);
249 Rectangle r = new Rectangle(0, 0, 15,15);
250 hatched = new TexturePaint(bi, r);
251 }
252
253 /**
254 * Construct a OsmDataLayer.
255 */
256 public OsmDataLayer(final DataSet data, final String name, final File associatedFile) {
257 super(name);
258 this.data = data;
259 this.setAssociatedFile(associatedFile);
260 conflicts = new ConflictCollection();
261 data.addDataSetListener(new DataSetListenerAdapter(this));
262 data.addDataSetListener(MultipolygonCache.getInstance());
263 DataSet.addSelectionListener(this);
264 }
265
266 protected Icon getBaseIcon() {
267 return ImageProvider.get("layer", "osmdata_small");
268 }
269
270 /**
271 * TODO: @return Return a dynamic drawn icon of the map data. The icon is
272 * updated by a background thread to not disturb the running programm.
273 */
274 @Override public Icon getIcon() {
275 Icon baseIcon = getBaseIcon();
276 if (isUploadDiscouraged()) {
277 return ImageProvider.overlay(baseIcon,
278 new ImageIcon(ImageProvider.get("warning-small").getImage().getScaledInstance(8, 8, Image.SCALE_SMOOTH)),
279 ImageProvider.OverlayPosition.SOUTHEAST);
280 } else {
281 return baseIcon;
282 }
283 }
284
285 /**
286 * Draw all primitives in this layer but do not draw modified ones (they
287 * are drawn by the edit layer).
288 * Draw nodes last to overlap the ways they belong to.
289 */
290 @Override public void paint(final Graphics2D g, final MapView mv, Bounds box) {
291 isChanged = false;
292 highlightUpdateCount = data.getHighlightUpdateCount();
293
294 boolean active = mv.getActiveLayer() == this;
295 boolean inactive = !active && Main.pref.getBoolean("draw.data.inactive_color", true);
296 boolean virtual = !inactive && mv.isVirtualNodesEnabled();
297
298 // draw the hatched area for non-downloaded region. only draw if we're the active
299 // and bounds are defined; don't draw for inactive layers or loaded GPX files etc
300 if (active && Main.pref.getBoolean("draw.data.downloaded_area", true) && !data.dataSources.isEmpty()) {
301 // initialize area with current viewport
302 Rectangle b = mv.getBounds();
303 // on some platforms viewport bounds seem to be offset from the left,
304 // over-grow it just to be sure
305 b.grow(100, 100);
306 Area a = new Area(b);
307
308 // now successively subtract downloaded areas
309 for (Bounds bounds : data.getDataSourceBounds()) {
310 if (bounds.isCollapsed()) {
311 continue;
312 }
313 Point p1 = mv.getPoint(bounds.getMin());
314 Point p2 = mv.getPoint(bounds.getMax());
315 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));
316 a.subtract(new Area(r));
317 }
318
319 // paint remainder
320 g.setPaint(hatched);
321 g.fill(a);
322 }
323
324 Rendering painter = MapRendererFactory.getInstance().createActiveRenderer(g, mv, inactive);
325 painter.render(data, virtual, box);
326 Main.map.conflictDialog.paintConflicts(g, mv);
327 }
328
329 @Override public String getToolTipText() {
330 int nodes = new FilteredCollection<>(data.getNodes(), OsmPrimitive.nonDeletedPredicate).size();
331 int ways = new FilteredCollection<>(data.getWays(), OsmPrimitive.nonDeletedPredicate).size();
332
333 String tool = trn("{0} node", "{0} nodes", nodes, nodes)+", ";
334 tool += trn("{0} way", "{0} ways", ways, ways);
335
336 if (data.getVersion() != null) {
337 tool += ", " + tr("version {0}", data.getVersion());
338 }
339 File f = getAssociatedFile();
340 if (f != null) {
341 tool = "<html>"+tool+"<br>"+f.getPath()+"</html>";
342 }
343 return tool;
344 }
345
346 @Override public void mergeFrom(final Layer from) {
347 final PleaseWaitProgressMonitor monitor = new PleaseWaitProgressMonitor(tr("Merging layers"));
348 monitor.setCancelable(false);
349 if (from instanceof OsmDataLayer && ((OsmDataLayer)from).isUploadDiscouraged()) {
350 setUploadDiscouraged(true);
351 }
352 mergeFrom(((OsmDataLayer)from).data, monitor);
353 monitor.close();
354 }
355
356 /**
357 * merges the primitives in dataset <code>from</code> into the dataset of
358 * this layer
359 *
360 * @param from the source data set
361 */
362 public void mergeFrom(final DataSet from) {
363 mergeFrom(from, null);
364 }
365
366 /**
367 * merges the primitives in dataset <code>from</code> into the dataset of
368 * this layer
369 *
370 * @param from the source data set
371 * @param progressMonitor the progress monitor, can be {@code null}
372 */
373 public void mergeFrom(final DataSet from, ProgressMonitor progressMonitor) {
374 final DataSetMerger visitor = new DataSetMerger(data,from);
375 try {
376 visitor.merge(progressMonitor);
377 } catch (DataIntegrityProblemException e) {
378 JOptionPane.showMessageDialog(
379 Main.parent,
380 e.getHtmlMessage() != null ? e.getHtmlMessage() : e.getMessage(),
381 tr("Error"),
382 JOptionPane.ERROR_MESSAGE
383 );
384 return;
385
386 }
387
388 Area a = data.getDataSourceArea();
389
390 // copy the merged layer's data source info.
391 // only add source rectangles if they are not contained in the layer already.
392 for (DataSource src : from.dataSources) {
393 if (a == null || !a.contains(src.bounds.asRect())) {
394 data.dataSources.add(src);
395 }
396 }
397
398 // copy the merged layer's API version
399 if (data.getVersion() == null) {
400 data.setVersion(from.getVersion());
401 }
402
403 int numNewConflicts = 0;
404 for (Conflict<?> c : visitor.getConflicts()) {
405 if (!conflicts.hasConflict(c)) {
406 numNewConflicts++;
407 conflicts.add(c);
408 }
409 }
410 // repaint to make sure new data is displayed properly.
411 if (Main.isDisplayingMapView()) {
412 Main.map.mapView.repaint();
413 }
414 // warn about new conflicts
415 if (numNewConflicts > 0 && Main.map != null && Main.map.conflictDialog != null) {
416 Main.map.conflictDialog.warnNumNewConflicts(numNewConflicts);
417 }
418 }
419
420 @Override public boolean isMergable(final Layer other) {
421 // isUploadDiscouraged commented to allow merging between normal layers and discouraged layers with a warning (see #7684)
422 return other instanceof OsmDataLayer;// && (isUploadDiscouraged() == ((OsmDataLayer)other).isUploadDiscouraged());
423 }
424
425 @Override public void visitBoundingBox(final BoundingXYVisitor v) {
426 for (final Node n: data.getNodes()) {
427 if (n.isUsable()) {
428 v.visit(n);
429 }
430 }
431 }
432
433 /**
434 * Clean out the data behind the layer. This means clearing the redo/undo lists,
435 * really deleting all deleted objects and reset the modified flags. This should
436 * be done after an upload, even after a partial upload.
437 *
438 * @param processed A list of all objects that were actually uploaded.
439 * May be <code>null</code>, which means nothing has been uploaded
440 */
441 public void cleanupAfterUpload(final Collection<IPrimitive> processed) {
442 // return immediately if an upload attempt failed
443 if (processed == null || processed.isEmpty())
444 return;
445
446 Main.main.undoRedo.clean(this);
447
448 // if uploaded, clean the modified flags as well
449 data.cleanupDeletedPrimitives();
450 for (OsmPrimitive p: data.allPrimitives()) {
451 if (processed.contains(p)) {
452 p.setModified(false);
453 }
454 }
455 }
456
457
458 @Override public Object getInfoComponent() {
459 final DataCountVisitor counter = new DataCountVisitor();
460 for (final OsmPrimitive osm : data.allPrimitives()) {
461 osm.accept(counter);
462 }
463 final JPanel p = new JPanel(new GridBagLayout());
464
465 String nodeText = trn("{0} node", "{0} nodes", counter.nodes, counter.nodes);
466 if (counter.deletedNodes > 0) {
467 nodeText += " ("+trn("{0} deleted", "{0} deleted", counter.deletedNodes, counter.deletedNodes)+")";
468 }
469
470 String wayText = trn("{0} way", "{0} ways", counter.ways, counter.ways);
471 if (counter.deletedWays > 0) {
472 wayText += " ("+trn("{0} deleted", "{0} deleted", counter.deletedWays, counter.deletedWays)+")";
473 }
474
475 String relationText = trn("{0} relation", "{0} relations", counter.relations, counter.relations);
476 if (counter.deletedRelations > 0) {
477 relationText += " ("+trn("{0} deleted", "{0} deleted", counter.deletedRelations, counter.deletedRelations)+")";
478 }
479
480 p.add(new JLabel(tr("{0} consists of:", getName())), GBC.eol());
481 p.add(new JLabel(nodeText, ImageProvider.get("data", "node"), JLabel.HORIZONTAL), GBC.eop().insets(15,0,0,0));
482 p.add(new JLabel(wayText, ImageProvider.get("data", "way"), JLabel.HORIZONTAL), GBC.eop().insets(15,0,0,0));
483 p.add(new JLabel(relationText, ImageProvider.get("data", "relation"), JLabel.HORIZONTAL), GBC.eop().insets(15,0,0,0));
484 p.add(new JLabel(tr("API version: {0}", (data.getVersion() != null) ? data.getVersion() : tr("unset"))), GBC.eop().insets(15,0,0,0));
485 if (isUploadDiscouraged()) {
486 p.add(new JLabel(tr("Upload is discouraged")), GBC.eop().insets(15,0,0,0));
487 }
488
489 return p;
490 }
491
492 @Override public Action[] getMenuEntries() {
493 List<Action> actions = new ArrayList<>();
494 actions.addAll(Arrays.asList(new Action[]{
495 LayerListDialog.getInstance().createActivateLayerAction(this),
496 LayerListDialog.getInstance().createShowHideLayerAction(),
497 LayerListDialog.getInstance().createDeleteLayerAction(),
498 SeparatorLayerAction.INSTANCE,
499 LayerListDialog.getInstance().createMergeLayerAction(this),
500 new LayerSaveAction(this),
501 new LayerSaveAsAction(this),
502 }));
503 if (ExpertToggleAction.isExpert()) {
504 actions.addAll(Arrays.asList(new Action[]{
505 new LayerGpxExportAction(this),
506 new ConvertToGpxLayerAction()}));
507 }
508 actions.addAll(Arrays.asList(new Action[]{
509 SeparatorLayerAction.INSTANCE,
510 new RenameLayerAction(getAssociatedFile(), this)}));
511 if (ExpertToggleAction.isExpert() && Main.pref.getBoolean("data.layer.upload_discouragement.menu_item", false)) {
512 actions.add(new ToggleUploadDiscouragedLayerAction(this));
513 }
514 actions.addAll(Arrays.asList(new Action[]{
515 new ConsistencyTestAction(),
516 SeparatorLayerAction.INSTANCE,
517 new LayerListPopup.InfoAction(this)}));
518 return actions.toArray(new Action[actions.size()]);
519 }
520
521 public static GpxData toGpxData(DataSet data, File file) {
522 GpxData gpxData = new GpxData();
523 gpxData.storageFile = file;
524 HashSet<Node> doneNodes = new HashSet<>();
525 for (Way w : data.getWays()) {
526 if (!w.isUsable()) {
527 continue;
528 }
529 Collection<Collection<WayPoint>> trk = new ArrayList<>();
530 Map<String, Object> trkAttr = new HashMap<>();
531
532 if (w.get("name") != null) {
533 trkAttr.put("name", w.get("name"));
534 }
535
536 List<WayPoint> trkseg = null;
537 for (Node n : w.getNodes()) {
538 if (!n.isUsable()) {
539 trkseg = null;
540 continue;
541 }
542 if (trkseg == null) {
543 trkseg = new ArrayList<>();
544 trk.add(trkseg);
545 }
546 if (!n.isTagged()) {
547 doneNodes.add(n);
548 }
549 WayPoint wpt = new WayPoint(n.getCoor());
550 if (!n.isTimestampEmpty()) {
551 wpt.attr.put("time", DateUtils.fromDate(n.getTimestamp()));
552 wpt.setTime();
553 }
554 trkseg.add(wpt);
555 }
556
557 gpxData.tracks.add(new ImmutableGpxTrack(trk, trkAttr));
558 }
559
560 for (Node n : data.getNodes()) {
561 if (n.isIncomplete() || n.isDeleted() || doneNodes.contains(n)) {
562 continue;
563 }
564 WayPoint wpt = new WayPoint(n.getCoor());
565 String name = n.get("name");
566 if (name != null) {
567 wpt.attr.put("name", name);
568 }
569 if (!n.isTimestampEmpty()) {
570 wpt.attr.put("time", DateUtils.fromDate(n.getTimestamp()));
571 wpt.setTime();
572 }
573 String desc = n.get("description");
574 if (desc != null) {
575 wpt.attr.put("desc", desc);
576 }
577
578 gpxData.waypoints.add(wpt);
579 }
580 return gpxData;
581 }
582
583 public GpxData toGpxData() {
584 return toGpxData(data, getAssociatedFile());
585 }
586
587 public class ConvertToGpxLayerAction extends AbstractAction {
588 public ConvertToGpxLayerAction() {
589 super(tr("Convert to GPX layer"), ImageProvider.get("converttogpx"));
590 putValue("help", ht("/Action/ConvertToGpxLayer"));
591 }
592 @Override
593 public void actionPerformed(ActionEvent e) {
594 Main.main.addLayer(new GpxLayer(toGpxData(), tr("Converted from: {0}", getName())));
595 Main.main.removeLayer(OsmDataLayer.this);
596 }
597 }
598
599 public boolean containsPoint(LatLon coor) {
600 // we'll assume that if this has no data sources
601 // that it also has no borders
602 if (this.data.dataSources.isEmpty())
603 return true;
604
605 boolean layer_bounds_point = false;
606 for (DataSource src : this.data.dataSources) {
607 if (src.bounds.contains(coor)) {
608 layer_bounds_point = true;
609 break;
610 }
611 }
612 return layer_bounds_point;
613 }
614
615 /**
616 * replies the set of conflicts currently managed in this layer
617 *
618 * @return the set of conflicts currently managed in this layer
619 */
620 public ConflictCollection getConflicts() {
621 return conflicts;
622 }
623
624 /**
625 * Replies true if the data managed by this layer needs to be uploaded to
626 * the server because it contains at least one modified primitive.
627 *
628 * @return true if the data managed by this layer needs to be uploaded to
629 * the server because it contains at least one modified primitive; false,
630 * otherwise
631 */
632 public boolean requiresUploadToServer() {
633 return requiresUploadToServer;
634 }
635
636 /**
637 * Replies true if the data managed by this layer needs to be saved to
638 * a file. Only replies true if a file is assigned to this layer and
639 * if the data managed by this layer has been modified since the last
640 * save operation to the file.
641 *
642 * @return true if the data managed by this layer needs to be saved to
643 * a file
644 */
645 public boolean requiresSaveToFile() {
646 return getAssociatedFile() != null && requiresSaveToFile;
647 }
648
649 @Override
650 public void onPostLoadFromFile() {
651 setRequiresSaveToFile(false);
652 setRequiresUploadToServer(data.isModified());
653 }
654
655 public void onPostDownloadFromServer() {
656 setRequiresSaveToFile(true);
657 setRequiresUploadToServer(data.isModified());
658 }
659
660 @Override
661 public boolean isChanged() {
662 return isChanged || highlightUpdateCount != data.getHighlightUpdateCount();
663 }
664
665 /**
666 * Initializes the layer after a successful save of OSM data to a file
667 *
668 */
669 public void onPostSaveToFile() {
670 setRequiresSaveToFile(false);
671 setRequiresUploadToServer(data.isModified());
672 }
673
674 /**
675 * Initializes the layer after a successful upload to the server
676 *
677 */
678 public void onPostUploadToServer() {
679 setRequiresUploadToServer(data.isModified());
680 // keep requiresSaveToDisk unchanged
681 }
682
683 private class ConsistencyTestAction extends AbstractAction {
684
685 public ConsistencyTestAction() {
686 super(tr("Dataset consistency test"));
687 }
688
689 @Override
690 public void actionPerformed(ActionEvent e) {
691 String result = DatasetConsistencyTest.runTests(data);
692 if (result.length() == 0) {
693 JOptionPane.showMessageDialog(Main.parent, tr("No problems found"));
694 } else {
695 JPanel p = new JPanel(new GridBagLayout());
696 p.add(new JLabel(tr("Following problems found:")), GBC.eol());
697 JosmTextArea info = new JosmTextArea(result, 20, 60);
698 info.setCaretPosition(0);
699 info.setEditable(false);
700 p.add(new JScrollPane(info), GBC.eop());
701
702 JOptionPane.showMessageDialog(Main.parent, p, tr("Warning"), JOptionPane.WARNING_MESSAGE);
703 }
704 }
705 }
706
707 @Override
708 public void destroy() {
709 DataSet.removeSelectionListener(this);
710 }
711
712 @Override
713 public void processDatasetEvent(AbstractDatasetChangedEvent event) {
714 isChanged = true;
715 setRequiresSaveToFile(true);
716 setRequiresUploadToServer(true);
717 }
718
719 @Override
720 public void selectionChanged(Collection<? extends OsmPrimitive> newSelection) {
721 isChanged = true;
722 }
723
724 @Override
725 public void projectionChanged(Projection oldValue, Projection newValue) {
726 /*
727 * No reprojection required. The dataset itself is registered as projection
728 * change listener and already got notified.
729 */
730 }
731
732 public final boolean isUploadDiscouraged() {
733 return data.isUploadDiscouraged();
734 }
735
736 public final void setUploadDiscouraged(boolean uploadDiscouraged) {
737 if (uploadDiscouraged ^ isUploadDiscouraged()) {
738 data.setUploadDiscouraged(uploadDiscouraged);
739 for (LayerStateChangeListener l : layerStateChangeListeners) {
740 l.uploadDiscouragedChanged(this, uploadDiscouraged);
741 }
742 }
743 }
744
745 @Override
746 public boolean isSavable() {
747 return true; // With OsmExporter
748 }
749
750 @Override
751 public boolean checkSaveConditions() {
752 if (isDataSetEmpty()) {
753 if (1 != GuiHelper.runInEDTAndWaitAndReturn(new Callable<Integer>() {
754 @Override
755 public Integer call() {
756 ExtendedDialog dialog = new ExtendedDialog(
757 Main.parent,
758 tr("Empty document"),
759 new String[] {tr("Save anyway"), tr("Cancel")}
760 );
761 dialog.setContent(tr("The document contains no data."));
762 dialog.setButtonIcons(new String[] {"save.png", "cancel.png"});
763 return dialog.showDialog().getValue();
764 }
765 })) {
766 return false;
767 }
768 }
769
770 ConflictCollection conflicts = getConflicts();
771 if (conflicts != null && !conflicts.isEmpty()) {
772 if (1 != GuiHelper.runInEDTAndWaitAndReturn(new Callable<Integer>() {
773 @Override
774 public Integer call() {
775 ExtendedDialog dialog = new ExtendedDialog(
776 Main.parent,
777 /* I18N: Display title of the window showing conflicts */
778 tr("Conflicts"),
779 new String[] {tr("Reject Conflicts and Save"), tr("Cancel")}
780 );
781 dialog.setContent(tr("There are unresolved conflicts. Conflicts will not be saved and handled as if you rejected all. Continue?"));
782 dialog.setButtonIcons(new String[] {"save.png", "cancel.png"});
783 return dialog.showDialog().getValue();
784 }
785 })) {
786 return false;
787 }
788 }
789 return true;
790 }
791
792 /**
793 * Check the data set if it would be empty on save. It is empty, if it contains
794 * no objects (after all objects that are created and deleted without being
795 * transferred to the server have been removed).
796 *
797 * @return <code>true</code>, if a save result in an empty data set.
798 */
799 private boolean isDataSetEmpty() {
800 if (data != null) {
801 for (OsmPrimitive osm : data.allNonDeletedPrimitives())
802 if (!osm.isDeleted() || !osm.isNewOrUndeleted())
803 return false;
804 }
805 return true;
806 }
807
808 @Override
809 public File createAndOpenSaveFileChooser() {
810 return SaveActionBase.createAndOpenSaveFileChooser(tr("Save OSM file"), "osm");
811 }
812}
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