source: josm/trunk/src/org/openstreetmap/josm/gui/layer/OsmDataLayer.java@ 5275

Last change on this file since 5275 was 5275, checked in by bastiK, 12 years ago

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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;
30
31import javax.swing.AbstractAction;
32import javax.swing.Action;
33import javax.swing.Icon;
34import javax.swing.ImageIcon;
35import javax.swing.JLabel;
36import javax.swing.JOptionPane;
37import javax.swing.JPanel;
38import javax.swing.JScrollPane;
39import javax.swing.JTextArea;
40
41import org.openstreetmap.josm.Main;
42import org.openstreetmap.josm.actions.ExpertToggleAction;
43import org.openstreetmap.josm.actions.RenameLayerAction;
44import org.openstreetmap.josm.actions.ToggleUploadDiscouragedLayerAction;
45import org.openstreetmap.josm.data.Bounds;
46import org.openstreetmap.josm.data.SelectionChangedListener;
47import org.openstreetmap.josm.data.conflict.Conflict;
48import org.openstreetmap.josm.data.conflict.ConflictCollection;
49import org.openstreetmap.josm.data.coor.LatLon;
50import org.openstreetmap.josm.data.gpx.GpxData;
51import org.openstreetmap.josm.data.gpx.ImmutableGpxTrack;
52import org.openstreetmap.josm.data.gpx.WayPoint;
53import org.openstreetmap.josm.data.osm.DataIntegrityProblemException;
54import org.openstreetmap.josm.data.osm.DataSet;
55import org.openstreetmap.josm.data.osm.DataSetMerger;
56import org.openstreetmap.josm.data.osm.DataSource;
57import org.openstreetmap.josm.data.osm.DatasetConsistencyTest;
58import org.openstreetmap.josm.data.osm.IPrimitive;
59import org.openstreetmap.josm.data.osm.Node;
60import org.openstreetmap.josm.data.osm.OsmPrimitive;
61import org.openstreetmap.josm.data.osm.Relation;
62import org.openstreetmap.josm.data.osm.Way;
63import org.openstreetmap.josm.data.osm.event.AbstractDatasetChangedEvent;
64import org.openstreetmap.josm.data.osm.event.DataSetListenerAdapter;
65import org.openstreetmap.josm.data.osm.event.DataSetListenerAdapter.Listener;
66import org.openstreetmap.josm.data.osm.visitor.AbstractVisitor;
67import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor;
68import org.openstreetmap.josm.data.osm.visitor.paint.MapRendererFactory;
69import org.openstreetmap.josm.data.osm.visitor.paint.Rendering;
70import org.openstreetmap.josm.data.osm.visitor.paint.relations.MultipolygonCache;
71import org.openstreetmap.josm.data.projection.Projection;
72import org.openstreetmap.josm.data.validation.TestError;
73import org.openstreetmap.josm.gui.HelpAwareOptionPane;
74import org.openstreetmap.josm.gui.HelpAwareOptionPane.ButtonSpec;
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.tools.DateUtils;
81import org.openstreetmap.josm.tools.FilteredCollection;
82import org.openstreetmap.josm.tools.GBC;
83import org.openstreetmap.josm.tools.ImageProvider;
84
85/**
86 * A layer that holds OSM data from a specific dataset.
87 * The data can be fully edited.
88 *
89 * @author imi
90 */
91public class OsmDataLayer extends Layer implements Listener, SelectionChangedListener {
92 static public final String REQUIRES_SAVE_TO_DISK_PROP = OsmDataLayer.class.getName() + ".requiresSaveToDisk";
93 static public final String REQUIRES_UPLOAD_TO_SERVER_PROP = OsmDataLayer.class.getName() + ".requiresUploadToServer";
94
95 private boolean requiresSaveToFile = false;
96 private boolean requiresUploadToServer = false;
97 private boolean isChanged = true;
98 private int highlightUpdateCount;
99
100 public List<TestError> validationErrors = new ArrayList<TestError>();
101
102 protected void setRequiresSaveToFile(boolean newValue) {
103 boolean oldValue = requiresSaveToFile;
104 requiresSaveToFile = newValue;
105 if (oldValue != newValue) {
106 propertyChangeSupport.firePropertyChange(REQUIRES_SAVE_TO_DISK_PROP, oldValue, newValue);
107 }
108 }
109
110 protected void setRequiresUploadToServer(boolean newValue) {
111 boolean oldValue = requiresUploadToServer;
112 requiresUploadToServer = newValue;
113 if (oldValue != newValue) {
114 propertyChangeSupport.firePropertyChange(REQUIRES_UPLOAD_TO_SERVER_PROP, oldValue, newValue);
115 }
116 }
117
118 /** the global counter for created data layers */
119 static private int dataLayerCounter = 0;
120
121 /**
122 * Replies a new unique name for a data layer
123 *
124 * @return a new unique name for a data layer
125 */
126 static public String createNewName() {
127 dataLayerCounter++;
128 return tr("Data Layer {0}", dataLayerCounter);
129 }
130
131 public final static class DataCountVisitor extends AbstractVisitor {
132 public int nodes;
133 public int ways;
134 public int relations;
135 public int deletedNodes;
136 public int deletedWays;
137 public int deletedRelations;
138
139 public void visit(final Node n) {
140 nodes++;
141 if (n.isDeleted()) {
142 deletedNodes++;
143 }
144 }
145
146 public void visit(final Way w) {
147 ways++;
148 if (w.isDeleted()) {
149 deletedWays++;
150 }
151 }
152
153 public void visit(final Relation r) {
154 relations++;
155 if (r.isDeleted()) {
156 deletedRelations++;
157 }
158 }
159 }
160
161 public interface CommandQueueListener {
162 void commandChanged(int queueSize, int redoSize);
163 }
164
165 /**
166 * The data behind this layer.
167 */
168 public final DataSet data;
169
170 /**
171 * the collection of conflicts detected in this layer
172 */
173 private ConflictCollection conflicts;
174
175 /**
176 * a paint texture for non-downloaded area
177 */
178 private static TexturePaint hatched;
179
180 static {
181 createHatchTexture();
182 }
183
184 public static Color getBackgroundColor() {
185 return Main.pref.getColor(marktr("background"), Color.BLACK);
186 }
187
188 public static Color getOutsideColor() {
189 return Main.pref.getColor(marktr("outside downloaded area"), Color.YELLOW);
190 }
191
192 /**
193 * Initialize the hatch pattern used to paint the non-downloaded area
194 */
195 public static void createHatchTexture() {
196 BufferedImage bi = new BufferedImage(15, 15, BufferedImage.TYPE_INT_ARGB);
197 Graphics2D big = bi.createGraphics();
198 big.setColor(getBackgroundColor());
199 Composite comp = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.3f);
200 big.setComposite(comp);
201 big.fillRect(0,0,15,15);
202 big.setColor(getOutsideColor());
203 big.drawLine(0,15,15,0);
204 Rectangle r = new Rectangle(0, 0, 15,15);
205 hatched = new TexturePaint(bi, r);
206 }
207
208 /**
209 * Construct a OsmDataLayer.
210 */
211 public OsmDataLayer(final DataSet data, final String name, final File associatedFile) {
212 super(name);
213 this.data = data;
214 this.setAssociatedFile(associatedFile);
215 conflicts = new ConflictCollection();
216 data.addDataSetListener(new DataSetListenerAdapter(this));
217 data.addDataSetListener(MultipolygonCache.getInstance());
218 DataSet.addSelectionListener(this);
219 }
220
221 protected Icon getBaseIcon() {
222 return ImageProvider.get("layer", "osmdata_small");
223 }
224
225 /**
226 * TODO: @return Return a dynamic drawn icon of the map data. The icon is
227 * updated by a background thread to not disturb the running programm.
228 */
229 @Override public Icon getIcon() {
230 Icon baseIcon = getBaseIcon();
231 if (isUploadDiscouraged()) {
232 return ImageProvider.overlay(baseIcon,
233 new ImageIcon(ImageProvider.get("warning-small").getImage().getScaledInstance(8, 8, Image.SCALE_SMOOTH)),
234 ImageProvider.OverlayPosition.SOUTHEAST);
235 } else {
236 return baseIcon;
237 }
238 }
239
240 /**
241 * Draw all primitives in this layer but do not draw modified ones (they
242 * are drawn by the edit layer).
243 * Draw nodes last to overlap the ways they belong to.
244 */
245 @Override public void paint(final Graphics2D g, final MapView mv, Bounds box) {
246 isChanged = false;
247 highlightUpdateCount = data.getHighlightUpdateCount();
248
249 boolean active = mv.getActiveLayer() == this;
250 boolean inactive = !active && Main.pref.getBoolean("draw.data.inactive_color", true);
251 boolean virtual = !inactive && mv.isVirtualNodesEnabled();
252
253 // draw the hatched area for non-downloaded region. only draw if we're the active
254 // and bounds are defined; don't draw for inactive layers or loaded GPX files etc
255 if (active && Main.pref.getBoolean("draw.data.downloaded_area", true) && !data.dataSources.isEmpty()) {
256 // initialize area with current viewport
257 Rectangle b = mv.getBounds();
258 // on some platforms viewport bounds seem to be offset from the left,
259 // over-grow it just to be sure
260 b.grow(100, 100);
261 Area a = new Area(b);
262
263 // now successively subtract downloaded areas
264 for (Bounds bounds : data.getDataSourceBounds()) {
265 if (bounds.isCollapsed()) {
266 continue;
267 }
268 Point p1 = mv.getPoint(bounds.getMin());
269 Point p2 = mv.getPoint(bounds.getMax());
270 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));
271 a.subtract(new Area(r));
272 }
273
274 // paint remainder
275 g.setPaint(hatched);
276 g.fill(a);
277 }
278
279 Rendering painter = MapRendererFactory.getInstance().createActiveRenderer(g, mv, inactive);
280 painter.render(data, virtual, box);
281 Main.map.conflictDialog.paintConflicts(g, mv);
282 }
283
284 @Override public String getToolTipText() {
285 int nodes = new FilteredCollection<Node>(data.getNodes(), OsmPrimitive.nonDeletedPredicate).size();
286 int ways = new FilteredCollection<Way>(data.getWays(), OsmPrimitive.nonDeletedPredicate).size();
287
288 String tool = trn("{0} node", "{0} nodes", nodes, nodes)+", ";
289 tool += trn("{0} way", "{0} ways", ways, ways);
290
291 if (data.getVersion() != null) {
292 tool += ", " + tr("version {0}", data.getVersion());
293 }
294 File f = getAssociatedFile();
295 if (f != null) {
296 tool = "<html>"+tool+"<br>"+f.getPath()+"</html>";
297 }
298 return tool;
299 }
300
301 @Override public void mergeFrom(final Layer from) {
302 final PleaseWaitProgressMonitor monitor = new PleaseWaitProgressMonitor(tr("Merging layers"));
303 monitor.setCancelable(false);
304 if (from instanceof OsmDataLayer && ((OsmDataLayer)from).isUploadDiscouraged()) {
305 setUploadDiscouraged(true);
306 }
307 mergeFrom(((OsmDataLayer)from).data, monitor);
308 monitor.close();
309 }
310
311 /**
312 * merges the primitives in dataset <code>from</code> into the dataset of
313 * this layer
314 *
315 * @param from the source data set
316 */
317 public void mergeFrom(final DataSet from) {
318 mergeFrom(from, null);
319 }
320
321 /**
322 * merges the primitives in dataset <code>from</code> into the dataset of
323 * this layer
324 *
325 * @param from the source data set
326 */
327 public void mergeFrom(final DataSet from, ProgressMonitor progressMonitor) {
328 final DataSetMerger visitor = new DataSetMerger(data,from);
329 try {
330 visitor.merge(progressMonitor);
331 } catch (DataIntegrityProblemException e) {
332 JOptionPane.showMessageDialog(
333 Main.parent,
334 e.getHtmlMessage() != null ? e.getHtmlMessage() : e.getMessage(),
335 tr("Error"),
336 JOptionPane.ERROR_MESSAGE
337 );
338 return;
339
340 }
341
342 Area a = data.getDataSourceArea();
343
344 // copy the merged layer's data source info;
345 // only add source rectangles if they are not contained in the
346 // layer already.
347 for (DataSource src : from.dataSources) {
348 if (a == null || !a.contains(src.bounds.asRect())) {
349 data.dataSources.add(src);
350 }
351 }
352
353 // copy the merged layer's API version, downgrade if required
354 if (data.getVersion() == null) {
355 data.setVersion(from.getVersion());
356 } else if ("0.5".equals(data.getVersion()) ^ "0.5".equals(from.getVersion())) {
357 System.err.println(tr("Warning: mixing 0.6 and 0.5 data results in version 0.5"));
358 data.setVersion("0.5");
359 }
360
361 int numNewConflicts = 0;
362 for (Conflict<?> c : visitor.getConflicts()) {
363 if (!conflicts.hasConflict(c)) {
364 numNewConflicts++;
365 conflicts.add(c);
366 }
367 }
368 // repaint to make sure new data is displayed properly.
369 Main.map.mapView.repaint();
370 warnNumNewConflicts(numNewConflicts);
371 }
372
373 /**
374 * Warns the user about the number of detected conflicts
375 *
376 * @param numNewConflicts the number of detected conflicts
377 */
378 protected void warnNumNewConflicts(int numNewConflicts) {
379 if (numNewConflicts == 0) return;
380
381 String msg1 = trn(
382 "There was {0} conflict detected.",
383 "There were {0} conflicts detected.",
384 numNewConflicts,
385 numNewConflicts
386 );
387
388 StringBuffer sb = new StringBuffer();
389 sb.append("<html>").append(msg1).append("</html>");
390 if (numNewConflicts > 0) {
391 ButtonSpec[] options = new ButtonSpec[] {
392 new ButtonSpec(
393 tr("OK"),
394 ImageProvider.get("ok"),
395 tr("Click to close this dialog and continue editing"),
396 null /* no specific help */
397 )
398 };
399 HelpAwareOptionPane.showOptionDialog(
400 Main.parent,
401 sb.toString(),
402 tr("Conflicts detected"),
403 JOptionPane.WARNING_MESSAGE,
404 null, /* no icon */
405 options,
406 options[0],
407 ht("/Concepts/Conflict#WarningAboutDetectedConflicts")
408 );
409 Main.map.conflictDialog.unfurlDialog();
410 Main.map.repaint();
411 }
412 }
413
414
415 @Override public boolean isMergable(final Layer other) {
416 // isUploadDiscouraged commented to allow merging between normal layers and discouraged layers with a warning (see #7684)
417 return other instanceof OsmDataLayer;// && (isUploadDiscouraged() == ((OsmDataLayer)other).isUploadDiscouraged());
418 }
419
420 @Override public void visitBoundingBox(final BoundingXYVisitor v) {
421 for (final Node n: data.getNodes()) {
422 if (n.isUsable()) {
423 v.visit(n);
424 }
425 }
426 }
427
428 /**
429 * Clean out the data behind the layer. This means clearing the redo/undo lists,
430 * really deleting all deleted objects and reset the modified flags. This should
431 * be done after an upload, even after a partial upload.
432 *
433 * @param processed A list of all objects that were actually uploaded.
434 * May be <code>null</code>, which means nothing has been uploaded
435 */
436 public void cleanupAfterUpload(final Collection<IPrimitive> processed) {
437 // return immediately if an upload attempt failed
438 if (processed == null || processed.isEmpty())
439 return;
440
441 Main.main.undoRedo.clean(this);
442
443 // if uploaded, clean the modified flags as well
444 data.cleanupDeletedPrimitives();
445 for (OsmPrimitive p: data.allPrimitives()) {
446 if (processed.contains(p)) {
447 p.setModified(false);
448 }
449 }
450 }
451
452
453 @Override public Object getInfoComponent() {
454 final DataCountVisitor counter = new DataCountVisitor();
455 for (final OsmPrimitive osm : data.allPrimitives()) {
456 osm.visit(counter);
457 }
458 final JPanel p = new JPanel(new GridBagLayout());
459
460 String nodeText = trn("{0} node", "{0} nodes", counter.nodes, counter.nodes);
461 if (counter.deletedNodes > 0) {
462 nodeText += " ("+trn("{0} deleted", "{0} deleted", counter.deletedNodes, counter.deletedNodes)+")";
463 }
464
465 String wayText = trn("{0} way", "{0} ways", counter.ways, counter.ways);
466 if (counter.deletedWays > 0) {
467 wayText += " ("+trn("{0} deleted", "{0} deleted", counter.deletedWays, counter.deletedWays)+")";
468 }
469
470 String relationText = trn("{0} relation", "{0} relations", counter.relations, counter.relations);
471 if (counter.deletedRelations > 0) {
472 relationText += " ("+trn("{0} deleted", "{0} deleted", counter.deletedRelations, counter.deletedRelations)+")";
473 }
474
475 p.add(new JLabel(tr("{0} consists of:", getName())), GBC.eol());
476 p.add(new JLabel(nodeText, ImageProvider.get("data", "node"), JLabel.HORIZONTAL), GBC.eop().insets(15,0,0,0));
477 p.add(new JLabel(wayText, ImageProvider.get("data", "way"), JLabel.HORIZONTAL), GBC.eop().insets(15,0,0,0));
478 p.add(new JLabel(relationText, ImageProvider.get("data", "relation"), JLabel.HORIZONTAL), GBC.eop().insets(15,0,0,0));
479 p.add(new JLabel(tr("API version: {0}", (data.getVersion() != null) ? data.getVersion() : tr("unset"))), GBC.eop().insets(15,0,0,0));
480 if (isUploadDiscouraged()) {
481 p.add(new JLabel(tr("Upload is discouraged")), GBC.eop().insets(15,0,0,0));
482 }
483
484 return p;
485 }
486
487 @Override public Action[] getMenuEntries() {
488 if (Main.applet)
489 return new Action[]{
490 LayerListDialog.getInstance().createActivateLayerAction(this),
491 LayerListDialog.getInstance().createShowHideLayerAction(),
492 LayerListDialog.getInstance().createDeleteLayerAction(),
493 SeparatorLayerAction.INSTANCE,
494 LayerListDialog.getInstance().createMergeLayerAction(this),
495 SeparatorLayerAction.INSTANCE,
496 new RenameLayerAction(getAssociatedFile(), this),
497 new ConsistencyTestAction(),
498 SeparatorLayerAction.INSTANCE,
499 new LayerListPopup.InfoAction(this)};
500 ArrayList<Action> actions = new ArrayList<Action>();
501 actions.addAll(Arrays.asList(new Action[]{
502 LayerListDialog.getInstance().createActivateLayerAction(this),
503 LayerListDialog.getInstance().createShowHideLayerAction(),
504 LayerListDialog.getInstance().createDeleteLayerAction(),
505 SeparatorLayerAction.INSTANCE,
506 LayerListDialog.getInstance().createMergeLayerAction(this),
507 new LayerSaveAction(this),
508 new LayerSaveAsAction(this),
509 new LayerGpxExportAction(this),
510 new ConvertToGpxLayerAction(),
511 SeparatorLayerAction.INSTANCE,
512 new RenameLayerAction(getAssociatedFile(), this)}));
513 if (ExpertToggleAction.isExpert() && Main.pref.getBoolean("data.layer.upload_discouragement.menu_item", false)) {
514 actions.add(new ToggleUploadDiscouragedLayerAction(this));
515 }
516 actions.addAll(Arrays.asList(new Action[]{
517 new ConsistencyTestAction(),
518 SeparatorLayerAction.INSTANCE,
519 new LayerListPopup.InfoAction(this)}));
520 return actions.toArray(new Action[0]);
521 }
522
523 public static GpxData toGpxData(DataSet data, File file) {
524 GpxData gpxData = new GpxData();
525 gpxData.storageFile = file;
526 HashSet<Node> doneNodes = new HashSet<Node>();
527 for (Way w : data.getWays()) {
528 if (!w.isUsable()) {
529 continue;
530 }
531 Collection<Collection<WayPoint>> trk = new ArrayList<Collection<WayPoint>>();
532 Map<String, Object> trkAttr = new HashMap<String, Object>();
533
534 if (w.get("name") != null) {
535 trkAttr.put("name", w.get("name"));
536 }
537
538 List<WayPoint> trkseg = null;
539 for (Node n : w.getNodes()) {
540 if (!n.isUsable()) {
541 trkseg = null;
542 continue;
543 }
544 if (trkseg == null) {
545 trkseg = new ArrayList<WayPoint>();
546 trk.add(trkseg);
547 }
548 if (!n.isTagged()) {
549 doneNodes.add(n);
550 }
551 WayPoint wpt = new WayPoint(n.getCoor());
552 if (!n.isTimestampEmpty()) {
553 wpt.attr.put("time", DateUtils.fromDate(n.getTimestamp()));
554 wpt.setTime();
555 }
556 trkseg.add(wpt);
557 }
558
559 gpxData.tracks.add(new ImmutableGpxTrack(trk, trkAttr));
560 }
561
562 for (Node n : data.getNodes()) {
563 if (n.isIncomplete() || n.isDeleted() || doneNodes.contains(n)) {
564 continue;
565 }
566 String name = n.get("name");
567 if (name == null) {
568 continue;
569 }
570 WayPoint wpt = new WayPoint(n.getCoor());
571 wpt.attr.put("name", name);
572 if (!n.isTimestampEmpty()) {
573 wpt.attr.put("time", DateUtils.fromDate(n.getTimestamp()));
574 wpt.setTime();
575 }
576 String desc = n.get("description");
577 if (desc != null) {
578 wpt.attr.put("desc", desc);
579 }
580
581 gpxData.waypoints.add(wpt);
582 }
583 return gpxData;
584 }
585
586 public GpxData toGpxData() {
587 return toGpxData(data, getAssociatedFile());
588 }
589
590 public class ConvertToGpxLayerAction extends AbstractAction {
591 public ConvertToGpxLayerAction() {
592 super(tr("Convert to GPX layer"), ImageProvider.get("converttogpx"));
593 putValue("help", ht("/Action/ConvertToGpxLayer"));
594 }
595 public void actionPerformed(ActionEvent e) {
596 Main.main.addLayer(new GpxLayer(toGpxData(), tr("Converted from: {0}", getName())));
597 Main.main.removeLayer(OsmDataLayer.this);
598 }
599 }
600
601 public boolean containsPoint(LatLon coor) {
602 // we'll assume that if this has no data sources
603 // that it also has no borders
604 if (this.data.dataSources.isEmpty())
605 return true;
606
607 boolean layer_bounds_point = false;
608 for (DataSource src : this.data.dataSources) {
609 if (src.bounds.contains(coor)) {
610 layer_bounds_point = true;
611 break;
612 }
613 }
614 return layer_bounds_point;
615 }
616
617 /**
618 * replies the set of conflicts currently managed in this layer
619 *
620 * @return the set of conflicts currently managed in this layer
621 */
622 public ConflictCollection getConflicts() {
623 return conflicts;
624 }
625
626 /**
627 * Replies true if the data managed by this layer needs to be uploaded to
628 * the server because it contains at least one modified primitive.
629 *
630 * @return true if the data managed by this layer needs to be uploaded to
631 * the server because it contains at least one modified primitive; false,
632 * otherwise
633 */
634 public boolean requiresUploadToServer() {
635 return requiresUploadToServer;
636 }
637
638 /**
639 * Replies true if the data managed by this layer needs to be saved to
640 * a file. Only replies true if a file is assigned to this layer and
641 * if the data managed by this layer has been modified since the last
642 * save operation to the file.
643 *
644 * @return true if the data managed by this layer needs to be saved to
645 * a file
646 */
647 public boolean requiresSaveToFile() {
648 return getAssociatedFile() != null && requiresSaveToFile;
649 }
650
651 /**
652 * Initializes the layer after a successful load of OSM data from a file
653 *
654 */
655 public void onPostLoadFromFile() {
656 setRequiresSaveToFile(false);
657 setRequiresUploadToServer(data.isModified());
658 }
659
660 public void onPostDownloadFromServer() {
661 setRequiresSaveToFile(true);
662 setRequiresUploadToServer(data.isModified());
663 }
664
665 @Override
666 public boolean isChanged() {
667 return isChanged || highlightUpdateCount != data.getHighlightUpdateCount();
668 }
669
670 /**
671 * Initializes the layer after a successful save of OSM data to a file
672 *
673 */
674 public void onPostSaveToFile() {
675 setRequiresSaveToFile(false);
676 setRequiresUploadToServer(data.isModified());
677 }
678
679 /**
680 * Initializes the layer after a successful upload to the server
681 *
682 */
683 public void onPostUploadToServer() {
684 setRequiresUploadToServer(data.isModified());
685 // keep requiresSaveToDisk unchanged
686 }
687
688 private class ConsistencyTestAction extends AbstractAction {
689
690 public ConsistencyTestAction() {
691 super(tr("Dataset consistency test"));
692 }
693
694 public void actionPerformed(ActionEvent e) {
695 String result = DatasetConsistencyTest.runTests(data);
696 if (result.length() == 0) {
697 JOptionPane.showMessageDialog(Main.parent, tr("No problems found"));
698 } else {
699 JPanel p = new JPanel(new GridBagLayout());
700 p.add(new JLabel(tr("Following problems found:")), GBC.eol());
701 JTextArea info = new JTextArea(result, 20, 60);
702 info.setCaretPosition(0);
703 info.setEditable(false);
704 p.add(new JScrollPane(info), GBC.eop());
705
706 JOptionPane.showMessageDialog(Main.parent, p, tr("Warning"), JOptionPane.WARNING_MESSAGE);
707 }
708 }
709 }
710
711 @Override
712 public void destroy() {
713 DataSet.removeSelectionListener(this);
714 }
715
716 public void processDatasetEvent(AbstractDatasetChangedEvent event) {
717 isChanged = true;
718 setRequiresSaveToFile(true);
719 setRequiresUploadToServer(true);
720 }
721
722 public void selectionChanged(Collection<? extends OsmPrimitive> newSelection) {
723 isChanged = true;
724 }
725
726 @Override
727 public void projectionChanged(Projection oldValue, Projection newValue) {
728 /*
729 * No reprojection required. The dataset itself is registered as projection
730 * change listener and already got notified.
731 */
732 }
733
734 public final boolean isUploadDiscouraged() {
735 return data.isUploadDiscouraged();
736 }
737
738 public final void setUploadDiscouraged(boolean uploadDiscouraged) {
739 data.setUploadDiscouraged(uploadDiscouraged);
740 }
741}
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