001 // License: GPL. See LICENSE file for details. 002 003 package org.openstreetmap.josm.gui.layer; 004 005 import static org.openstreetmap.josm.gui.help.HelpUtil.ht; 006 import static org.openstreetmap.josm.tools.I18n.marktr; 007 import static org.openstreetmap.josm.tools.I18n.tr; 008 import static org.openstreetmap.josm.tools.I18n.trn; 009 010 import java.awt.AlphaComposite; 011 import java.awt.Color; 012 import java.awt.Composite; 013 import java.awt.Graphics2D; 014 import java.awt.GridBagLayout; 015 import java.awt.Image; 016 import java.awt.Point; 017 import java.awt.Rectangle; 018 import java.awt.TexturePaint; 019 import java.awt.event.ActionEvent; 020 import java.awt.geom.Area; 021 import java.awt.image.BufferedImage; 022 import java.io.File; 023 import java.util.ArrayList; 024 import java.util.Arrays; 025 import java.util.Collection; 026 import java.util.HashMap; 027 import java.util.HashSet; 028 import java.util.List; 029 import java.util.Map; 030 031 import javax.swing.AbstractAction; 032 import javax.swing.Action; 033 import javax.swing.Icon; 034 import javax.swing.ImageIcon; 035 import javax.swing.JLabel; 036 import javax.swing.JOptionPane; 037 import javax.swing.JPanel; 038 import javax.swing.JScrollPane; 039 import javax.swing.JTextArea; 040 041 import org.openstreetmap.josm.Main; 042 import org.openstreetmap.josm.actions.ExpertToggleAction; 043 import org.openstreetmap.josm.actions.RenameLayerAction; 044 import org.openstreetmap.josm.actions.SaveActionBase; 045 import org.openstreetmap.josm.actions.ToggleUploadDiscouragedLayerAction; 046 import org.openstreetmap.josm.data.Bounds; 047 import org.openstreetmap.josm.data.SelectionChangedListener; 048 import org.openstreetmap.josm.data.conflict.Conflict; 049 import org.openstreetmap.josm.data.conflict.ConflictCollection; 050 import org.openstreetmap.josm.data.coor.LatLon; 051 import org.openstreetmap.josm.data.gpx.GpxData; 052 import org.openstreetmap.josm.data.gpx.ImmutableGpxTrack; 053 import org.openstreetmap.josm.data.gpx.WayPoint; 054 import org.openstreetmap.josm.data.osm.DataIntegrityProblemException; 055 import org.openstreetmap.josm.data.osm.DataSet; 056 import org.openstreetmap.josm.data.osm.DataSetMerger; 057 import org.openstreetmap.josm.data.osm.DataSource; 058 import org.openstreetmap.josm.data.osm.DatasetConsistencyTest; 059 import org.openstreetmap.josm.data.osm.IPrimitive; 060 import org.openstreetmap.josm.data.osm.Node; 061 import org.openstreetmap.josm.data.osm.OsmPrimitive; 062 import org.openstreetmap.josm.data.osm.Relation; 063 import org.openstreetmap.josm.data.osm.Way; 064 import org.openstreetmap.josm.data.osm.event.AbstractDatasetChangedEvent; 065 import org.openstreetmap.josm.data.osm.event.DataSetListenerAdapter; 066 import org.openstreetmap.josm.data.osm.event.DataSetListenerAdapter.Listener; 067 import org.openstreetmap.josm.data.osm.visitor.AbstractVisitor; 068 import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor; 069 import org.openstreetmap.josm.data.osm.visitor.paint.MapRendererFactory; 070 import org.openstreetmap.josm.data.osm.visitor.paint.Rendering; 071 import org.openstreetmap.josm.data.osm.visitor.paint.relations.MultipolygonCache; 072 import org.openstreetmap.josm.data.projection.Projection; 073 import org.openstreetmap.josm.data.validation.TestError; 074 import org.openstreetmap.josm.gui.ExtendedDialog; 075 import org.openstreetmap.josm.gui.HelpAwareOptionPane; 076 import org.openstreetmap.josm.gui.HelpAwareOptionPane.ButtonSpec; 077 import org.openstreetmap.josm.gui.MapView; 078 import org.openstreetmap.josm.gui.dialogs.LayerListDialog; 079 import org.openstreetmap.josm.gui.dialogs.LayerListPopup; 080 import org.openstreetmap.josm.gui.progress.PleaseWaitProgressMonitor; 081 import org.openstreetmap.josm.gui.progress.ProgressMonitor; 082 import org.openstreetmap.josm.gui.util.GuiHelper; 083 import org.openstreetmap.josm.tools.DateUtils; 084 import org.openstreetmap.josm.tools.FilteredCollection; 085 import org.openstreetmap.josm.tools.GBC; 086 import org.openstreetmap.josm.tools.ImageProvider; 087 088 /** 089 * A layer that holds OSM data from a specific dataset. 090 * The data can be fully edited. 091 * 092 * @author imi 093 */ 094 public class OsmDataLayer extends Layer implements Listener, SelectionChangedListener { 095 static public final String REQUIRES_SAVE_TO_DISK_PROP = OsmDataLayer.class.getName() + ".requiresSaveToDisk"; 096 static public final String REQUIRES_UPLOAD_TO_SERVER_PROP = OsmDataLayer.class.getName() + ".requiresUploadToServer"; 097 098 private boolean requiresSaveToFile = false; 099 private boolean requiresUploadToServer = false; 100 private boolean isChanged = true; 101 private int highlightUpdateCount; 102 103 public List<TestError> validationErrors = new ArrayList<TestError>(); 104 105 protected void setRequiresSaveToFile(boolean newValue) { 106 boolean oldValue = requiresSaveToFile; 107 requiresSaveToFile = newValue; 108 if (oldValue != newValue) { 109 propertyChangeSupport.firePropertyChange(REQUIRES_SAVE_TO_DISK_PROP, oldValue, newValue); 110 } 111 } 112 113 protected void setRequiresUploadToServer(boolean newValue) { 114 boolean oldValue = requiresUploadToServer; 115 requiresUploadToServer = newValue; 116 if (oldValue != newValue) { 117 propertyChangeSupport.firePropertyChange(REQUIRES_UPLOAD_TO_SERVER_PROP, oldValue, newValue); 118 } 119 } 120 121 /** the global counter for created data layers */ 122 static private int dataLayerCounter = 0; 123 124 /** 125 * Replies a new unique name for a data layer 126 * 127 * @return a new unique name for a data layer 128 */ 129 static public String createNewName() { 130 dataLayerCounter++; 131 return tr("Data Layer {0}", dataLayerCounter); 132 } 133 134 public final static class DataCountVisitor extends AbstractVisitor { 135 public int nodes; 136 public int ways; 137 public int relations; 138 public int deletedNodes; 139 public int deletedWays; 140 public int deletedRelations; 141 142 public void visit(final Node n) { 143 nodes++; 144 if (n.isDeleted()) { 145 deletedNodes++; 146 } 147 } 148 149 public void visit(final Way w) { 150 ways++; 151 if (w.isDeleted()) { 152 deletedWays++; 153 } 154 } 155 156 public void visit(final Relation r) { 157 relations++; 158 if (r.isDeleted()) { 159 deletedRelations++; 160 } 161 } 162 } 163 164 public interface CommandQueueListener { 165 void commandChanged(int queueSize, int redoSize); 166 } 167 168 /** 169 * The data behind this layer. 170 */ 171 public final DataSet data; 172 173 /** 174 * the collection of conflicts detected in this layer 175 */ 176 private ConflictCollection conflicts; 177 178 /** 179 * a paint texture for non-downloaded area 180 */ 181 private static TexturePaint hatched; 182 183 static { 184 createHatchTexture(); 185 } 186 187 public static Color getBackgroundColor() { 188 return Main.pref.getColor(marktr("background"), Color.BLACK); 189 } 190 191 public static Color getOutsideColor() { 192 return Main.pref.getColor(marktr("outside downloaded area"), Color.YELLOW); 193 } 194 195 /** 196 * Initialize the hatch pattern used to paint the non-downloaded area 197 */ 198 public static void createHatchTexture() { 199 BufferedImage bi = new BufferedImage(15, 15, BufferedImage.TYPE_INT_ARGB); 200 Graphics2D big = bi.createGraphics(); 201 big.setColor(getBackgroundColor()); 202 Composite comp = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.3f); 203 big.setComposite(comp); 204 big.fillRect(0,0,15,15); 205 big.setColor(getOutsideColor()); 206 big.drawLine(0,15,15,0); 207 Rectangle r = new Rectangle(0, 0, 15,15); 208 hatched = new TexturePaint(bi, r); 209 } 210 211 /** 212 * Construct a OsmDataLayer. 213 */ 214 public OsmDataLayer(final DataSet data, final String name, final File associatedFile) { 215 super(name); 216 this.data = data; 217 this.setAssociatedFile(associatedFile); 218 conflicts = new ConflictCollection(); 219 data.addDataSetListener(new DataSetListenerAdapter(this)); 220 data.addDataSetListener(MultipolygonCache.getInstance()); 221 DataSet.addSelectionListener(this); 222 } 223 224 protected Icon getBaseIcon() { 225 return ImageProvider.get("layer", "osmdata_small"); 226 } 227 228 /** 229 * TODO: @return Return a dynamic drawn icon of the map data. The icon is 230 * updated by a background thread to not disturb the running programm. 231 */ 232 @Override public Icon getIcon() { 233 Icon baseIcon = getBaseIcon(); 234 if (isUploadDiscouraged()) { 235 return ImageProvider.overlay(baseIcon, 236 new ImageIcon(ImageProvider.get("warning-small").getImage().getScaledInstance(8, 8, Image.SCALE_SMOOTH)), 237 ImageProvider.OverlayPosition.SOUTHEAST); 238 } else { 239 return baseIcon; 240 } 241 } 242 243 /** 244 * Draw all primitives in this layer but do not draw modified ones (they 245 * are drawn by the edit layer). 246 * Draw nodes last to overlap the ways they belong to. 247 */ 248 @Override public void paint(final Graphics2D g, final MapView mv, Bounds box) { 249 isChanged = false; 250 highlightUpdateCount = data.getHighlightUpdateCount(); 251 252 boolean active = mv.getActiveLayer() == this; 253 boolean inactive = !active && Main.pref.getBoolean("draw.data.inactive_color", true); 254 boolean virtual = !inactive && mv.isVirtualNodesEnabled(); 255 256 // draw the hatched area for non-downloaded region. only draw if we're the active 257 // and bounds are defined; don't draw for inactive layers or loaded GPX files etc 258 if (active && Main.pref.getBoolean("draw.data.downloaded_area", true) && !data.dataSources.isEmpty()) { 259 // initialize area with current viewport 260 Rectangle b = mv.getBounds(); 261 // on some platforms viewport bounds seem to be offset from the left, 262 // over-grow it just to be sure 263 b.grow(100, 100); 264 Area a = new Area(b); 265 266 // now successively subtract downloaded areas 267 for (Bounds bounds : data.getDataSourceBounds()) { 268 if (bounds.isCollapsed()) { 269 continue; 270 } 271 Point p1 = mv.getPoint(bounds.getMin()); 272 Point p2 = mv.getPoint(bounds.getMax()); 273 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)); 274 a.subtract(new Area(r)); 275 } 276 277 // paint remainder 278 g.setPaint(hatched); 279 g.fill(a); 280 } 281 282 Rendering painter = MapRendererFactory.getInstance().createActiveRenderer(g, mv, inactive); 283 painter.render(data, virtual, box); 284 Main.map.conflictDialog.paintConflicts(g, mv); 285 } 286 287 @Override public String getToolTipText() { 288 int nodes = new FilteredCollection<Node>(data.getNodes(), OsmPrimitive.nonDeletedPredicate).size(); 289 int ways = new FilteredCollection<Way>(data.getWays(), OsmPrimitive.nonDeletedPredicate).size(); 290 291 String tool = trn("{0} node", "{0} nodes", nodes, nodes)+", "; 292 tool += trn("{0} way", "{0} ways", ways, ways); 293 294 if (data.getVersion() != null) { 295 tool += ", " + tr("version {0}", data.getVersion()); 296 } 297 File f = getAssociatedFile(); 298 if (f != null) { 299 tool = "<html>"+tool+"<br>"+f.getPath()+"</html>"; 300 } 301 return tool; 302 } 303 304 @Override public void mergeFrom(final Layer from) { 305 final PleaseWaitProgressMonitor monitor = new PleaseWaitProgressMonitor(tr("Merging layers")); 306 monitor.setCancelable(false); 307 if (from instanceof OsmDataLayer && ((OsmDataLayer)from).isUploadDiscouraged()) { 308 setUploadDiscouraged(true); 309 } 310 mergeFrom(((OsmDataLayer)from).data, monitor); 311 monitor.close(); 312 } 313 314 /** 315 * merges the primitives in dataset <code>from</code> into the dataset of 316 * this layer 317 * 318 * @param from the source data set 319 */ 320 public void mergeFrom(final DataSet from) { 321 mergeFrom(from, null); 322 } 323 324 /** 325 * merges the primitives in dataset <code>from</code> into the dataset of 326 * this layer 327 * 328 * @param from the source data set 329 */ 330 public void mergeFrom(final DataSet from, ProgressMonitor progressMonitor) { 331 final DataSetMerger visitor = new DataSetMerger(data,from); 332 try { 333 visitor.merge(progressMonitor); 334 } catch (DataIntegrityProblemException e) { 335 JOptionPane.showMessageDialog( 336 Main.parent, 337 e.getHtmlMessage() != null ? e.getHtmlMessage() : e.getMessage(), 338 tr("Error"), 339 JOptionPane.ERROR_MESSAGE 340 ); 341 return; 342 343 } 344 345 Area a = data.getDataSourceArea(); 346 347 // copy the merged layer's data source info; 348 // only add source rectangles if they are not contained in the 349 // layer already. 350 for (DataSource src : from.dataSources) { 351 if (a == null || !a.contains(src.bounds.asRect())) { 352 data.dataSources.add(src); 353 } 354 } 355 356 // copy the merged layer's API version, downgrade if required 357 if (data.getVersion() == null) { 358 data.setVersion(from.getVersion()); 359 } else if ("0.5".equals(data.getVersion()) ^ "0.5".equals(from.getVersion())) { 360 System.err.println(tr("Warning: mixing 0.6 and 0.5 data results in version 0.5")); 361 data.setVersion("0.5"); 362 } 363 364 int numNewConflicts = 0; 365 for (Conflict<?> c : visitor.getConflicts()) { 366 if (!conflicts.hasConflict(c)) { 367 numNewConflicts++; 368 conflicts.add(c); 369 } 370 } 371 // repaint to make sure new data is displayed properly. 372 Main.map.mapView.repaint(); 373 warnNumNewConflicts(numNewConflicts); 374 } 375 376 /** 377 * Warns the user about the number of detected conflicts 378 * 379 * @param numNewConflicts the number of detected conflicts 380 */ 381 protected void warnNumNewConflicts(int numNewConflicts) { 382 if (numNewConflicts == 0) return; 383 384 String msg1 = trn( 385 "There was {0} conflict detected.", 386 "There were {0} conflicts detected.", 387 numNewConflicts, 388 numNewConflicts 389 ); 390 391 final StringBuffer sb = new StringBuffer(); 392 sb.append("<html>").append(msg1).append("</html>"); 393 if (numNewConflicts > 0) { 394 final ButtonSpec[] options = new ButtonSpec[] { 395 new ButtonSpec( 396 tr("OK"), 397 ImageProvider.get("ok"), 398 tr("Click to close this dialog and continue editing"), 399 null /* no specific help */ 400 ) 401 }; 402 GuiHelper.runInEDT(new Runnable() { 403 @Override 404 public void run() { 405 HelpAwareOptionPane.showOptionDialog( 406 Main.parent, 407 sb.toString(), 408 tr("Conflicts detected"), 409 JOptionPane.WARNING_MESSAGE, 410 null, /* no icon */ 411 options, 412 options[0], 413 ht("/Concepts/Conflict#WarningAboutDetectedConflicts") 414 ); 415 Main.map.conflictDialog.unfurlDialog(); 416 Main.map.repaint(); 417 } 418 }); 419 } 420 } 421 422 423 @Override public boolean isMergable(final Layer other) { 424 // isUploadDiscouraged commented to allow merging between normal layers and discouraged layers with a warning (see #7684) 425 return other instanceof OsmDataLayer;// && (isUploadDiscouraged() == ((OsmDataLayer)other).isUploadDiscouraged()); 426 } 427 428 @Override public void visitBoundingBox(final BoundingXYVisitor v) { 429 for (final Node n: data.getNodes()) { 430 if (n.isUsable()) { 431 v.visit(n); 432 } 433 } 434 } 435 436 /** 437 * Clean out the data behind the layer. This means clearing the redo/undo lists, 438 * really deleting all deleted objects and reset the modified flags. This should 439 * be done after an upload, even after a partial upload. 440 * 441 * @param processed A list of all objects that were actually uploaded. 442 * May be <code>null</code>, which means nothing has been uploaded 443 */ 444 public void cleanupAfterUpload(final Collection<IPrimitive> processed) { 445 // return immediately if an upload attempt failed 446 if (processed == null || processed.isEmpty()) 447 return; 448 449 Main.main.undoRedo.clean(this); 450 451 // if uploaded, clean the modified flags as well 452 data.cleanupDeletedPrimitives(); 453 for (OsmPrimitive p: data.allPrimitives()) { 454 if (processed.contains(p)) { 455 p.setModified(false); 456 } 457 } 458 } 459 460 461 @Override public Object getInfoComponent() { 462 final DataCountVisitor counter = new DataCountVisitor(); 463 for (final OsmPrimitive osm : data.allPrimitives()) { 464 osm.visit(counter); 465 } 466 final JPanel p = new JPanel(new GridBagLayout()); 467 468 String nodeText = trn("{0} node", "{0} nodes", counter.nodes, counter.nodes); 469 if (counter.deletedNodes > 0) { 470 nodeText += " ("+trn("{0} deleted", "{0} deleted", counter.deletedNodes, counter.deletedNodes)+")"; 471 } 472 473 String wayText = trn("{0} way", "{0} ways", counter.ways, counter.ways); 474 if (counter.deletedWays > 0) { 475 wayText += " ("+trn("{0} deleted", "{0} deleted", counter.deletedWays, counter.deletedWays)+")"; 476 } 477 478 String relationText = trn("{0} relation", "{0} relations", counter.relations, counter.relations); 479 if (counter.deletedRelations > 0) { 480 relationText += " ("+trn("{0} deleted", "{0} deleted", counter.deletedRelations, counter.deletedRelations)+")"; 481 } 482 483 p.add(new JLabel(tr("{0} consists of:", getName())), GBC.eol()); 484 p.add(new JLabel(nodeText, ImageProvider.get("data", "node"), JLabel.HORIZONTAL), GBC.eop().insets(15,0,0,0)); 485 p.add(new JLabel(wayText, ImageProvider.get("data", "way"), JLabel.HORIZONTAL), GBC.eop().insets(15,0,0,0)); 486 p.add(new JLabel(relationText, ImageProvider.get("data", "relation"), JLabel.HORIZONTAL), GBC.eop().insets(15,0,0,0)); 487 p.add(new JLabel(tr("API version: {0}", (data.getVersion() != null) ? data.getVersion() : tr("unset"))), GBC.eop().insets(15,0,0,0)); 488 if (isUploadDiscouraged()) { 489 p.add(new JLabel(tr("Upload is discouraged")), GBC.eop().insets(15,0,0,0)); 490 } 491 492 return p; 493 } 494 495 @Override public Action[] getMenuEntries() { 496 if (Main.applet) 497 return new Action[]{ 498 LayerListDialog.getInstance().createActivateLayerAction(this), 499 LayerListDialog.getInstance().createShowHideLayerAction(), 500 LayerListDialog.getInstance().createDeleteLayerAction(), 501 SeparatorLayerAction.INSTANCE, 502 LayerListDialog.getInstance().createMergeLayerAction(this), 503 SeparatorLayerAction.INSTANCE, 504 new RenameLayerAction(getAssociatedFile(), this), 505 new ConsistencyTestAction(), 506 SeparatorLayerAction.INSTANCE, 507 new LayerListPopup.InfoAction(this)}; 508 ArrayList<Action> actions = new ArrayList<Action>(); 509 actions.addAll(Arrays.asList(new Action[]{ 510 LayerListDialog.getInstance().createActivateLayerAction(this), 511 LayerListDialog.getInstance().createShowHideLayerAction(), 512 LayerListDialog.getInstance().createDeleteLayerAction(), 513 SeparatorLayerAction.INSTANCE, 514 LayerListDialog.getInstance().createMergeLayerAction(this), 515 new LayerSaveAction(this), 516 new LayerSaveAsAction(this), 517 new LayerGpxExportAction(this), 518 new ConvertToGpxLayerAction(), 519 SeparatorLayerAction.INSTANCE, 520 new RenameLayerAction(getAssociatedFile(), this)})); 521 if (ExpertToggleAction.isExpert() && Main.pref.getBoolean("data.layer.upload_discouragement.menu_item", false)) { 522 actions.add(new ToggleUploadDiscouragedLayerAction(this)); 523 } 524 actions.addAll(Arrays.asList(new Action[]{ 525 new ConsistencyTestAction(), 526 SeparatorLayerAction.INSTANCE, 527 new LayerListPopup.InfoAction(this)})); 528 return actions.toArray(new Action[0]); 529 } 530 531 public static GpxData toGpxData(DataSet data, File file) { 532 GpxData gpxData = new GpxData(); 533 gpxData.storageFile = file; 534 HashSet<Node> doneNodes = new HashSet<Node>(); 535 for (Way w : data.getWays()) { 536 if (!w.isUsable()) { 537 continue; 538 } 539 Collection<Collection<WayPoint>> trk = new ArrayList<Collection<WayPoint>>(); 540 Map<String, Object> trkAttr = new HashMap<String, Object>(); 541 542 if (w.get("name") != null) { 543 trkAttr.put("name", w.get("name")); 544 } 545 546 List<WayPoint> trkseg = null; 547 for (Node n : w.getNodes()) { 548 if (!n.isUsable()) { 549 trkseg = null; 550 continue; 551 } 552 if (trkseg == null) { 553 trkseg = new ArrayList<WayPoint>(); 554 trk.add(trkseg); 555 } 556 if (!n.isTagged()) { 557 doneNodes.add(n); 558 } 559 WayPoint wpt = new WayPoint(n.getCoor()); 560 if (!n.isTimestampEmpty()) { 561 wpt.attr.put("time", DateUtils.fromDate(n.getTimestamp())); 562 wpt.setTime(); 563 } 564 trkseg.add(wpt); 565 } 566 567 gpxData.tracks.add(new ImmutableGpxTrack(trk, trkAttr)); 568 } 569 570 for (Node n : data.getNodes()) { 571 if (n.isIncomplete() || n.isDeleted() || doneNodes.contains(n)) { 572 continue; 573 } 574 String name = n.get("name"); 575 if (name == null) { 576 continue; 577 } 578 WayPoint wpt = new WayPoint(n.getCoor()); 579 wpt.attr.put("name", name); 580 if (!n.isTimestampEmpty()) { 581 wpt.attr.put("time", DateUtils.fromDate(n.getTimestamp())); 582 wpt.setTime(); 583 } 584 String desc = n.get("description"); 585 if (desc != null) { 586 wpt.attr.put("desc", desc); 587 } 588 589 gpxData.waypoints.add(wpt); 590 } 591 return gpxData; 592 } 593 594 public GpxData toGpxData() { 595 return toGpxData(data, getAssociatedFile()); 596 } 597 598 public class ConvertToGpxLayerAction extends AbstractAction { 599 public ConvertToGpxLayerAction() { 600 super(tr("Convert to GPX layer"), ImageProvider.get("converttogpx")); 601 putValue("help", ht("/Action/ConvertToGpxLayer")); 602 } 603 public void actionPerformed(ActionEvent e) { 604 Main.main.addLayer(new GpxLayer(toGpxData(), tr("Converted from: {0}", getName()))); 605 Main.main.removeLayer(OsmDataLayer.this); 606 } 607 } 608 609 public boolean containsPoint(LatLon coor) { 610 // we'll assume that if this has no data sources 611 // that it also has no borders 612 if (this.data.dataSources.isEmpty()) 613 return true; 614 615 boolean layer_bounds_point = false; 616 for (DataSource src : this.data.dataSources) { 617 if (src.bounds.contains(coor)) { 618 layer_bounds_point = true; 619 break; 620 } 621 } 622 return layer_bounds_point; 623 } 624 625 /** 626 * replies the set of conflicts currently managed in this layer 627 * 628 * @return the set of conflicts currently managed in this layer 629 */ 630 public ConflictCollection getConflicts() { 631 return conflicts; 632 } 633 634 /** 635 * Replies true if the data managed by this layer needs to be uploaded to 636 * the server because it contains at least one modified primitive. 637 * 638 * @return true if the data managed by this layer needs to be uploaded to 639 * the server because it contains at least one modified primitive; false, 640 * otherwise 641 */ 642 public boolean requiresUploadToServer() { 643 return requiresUploadToServer; 644 } 645 646 /** 647 * Replies true if the data managed by this layer needs to be saved to 648 * a file. Only replies true if a file is assigned to this layer and 649 * if the data managed by this layer has been modified since the last 650 * save operation to the file. 651 * 652 * @return true if the data managed by this layer needs to be saved to 653 * a file 654 */ 655 public boolean requiresSaveToFile() { 656 return getAssociatedFile() != null && requiresSaveToFile; 657 } 658 659 @Override 660 public void onPostLoadFromFile() { 661 setRequiresSaveToFile(false); 662 setRequiresUploadToServer(data.isModified()); 663 } 664 665 public void onPostDownloadFromServer() { 666 setRequiresSaveToFile(true); 667 setRequiresUploadToServer(data.isModified()); 668 } 669 670 @Override 671 public boolean isChanged() { 672 return isChanged || highlightUpdateCount != data.getHighlightUpdateCount(); 673 } 674 675 /** 676 * Initializes the layer after a successful save of OSM data to a file 677 * 678 */ 679 public void onPostSaveToFile() { 680 setRequiresSaveToFile(false); 681 setRequiresUploadToServer(data.isModified()); 682 } 683 684 /** 685 * Initializes the layer after a successful upload to the server 686 * 687 */ 688 public void onPostUploadToServer() { 689 setRequiresUploadToServer(data.isModified()); 690 // keep requiresSaveToDisk unchanged 691 } 692 693 private class ConsistencyTestAction extends AbstractAction { 694 695 public ConsistencyTestAction() { 696 super(tr("Dataset consistency test")); 697 } 698 699 public void actionPerformed(ActionEvent e) { 700 String result = DatasetConsistencyTest.runTests(data); 701 if (result.length() == 0) { 702 JOptionPane.showMessageDialog(Main.parent, tr("No problems found")); 703 } else { 704 JPanel p = new JPanel(new GridBagLayout()); 705 p.add(new JLabel(tr("Following problems found:")), GBC.eol()); 706 JTextArea info = new JTextArea(result, 20, 60); 707 info.setCaretPosition(0); 708 info.setEditable(false); 709 p.add(new JScrollPane(info), GBC.eop()); 710 711 JOptionPane.showMessageDialog(Main.parent, p, tr("Warning"), JOptionPane.WARNING_MESSAGE); 712 } 713 } 714 } 715 716 @Override 717 public void destroy() { 718 DataSet.removeSelectionListener(this); 719 } 720 721 public void processDatasetEvent(AbstractDatasetChangedEvent event) { 722 isChanged = true; 723 setRequiresSaveToFile(true); 724 setRequiresUploadToServer(true); 725 } 726 727 public void selectionChanged(Collection<? extends OsmPrimitive> newSelection) { 728 isChanged = true; 729 } 730 731 @Override 732 public void projectionChanged(Projection oldValue, Projection newValue) { 733 /* 734 * No reprojection required. The dataset itself is registered as projection 735 * change listener and already got notified. 736 */ 737 } 738 739 public final boolean isUploadDiscouraged() { 740 return data.isUploadDiscouraged(); 741 } 742 743 public final void setUploadDiscouraged(boolean uploadDiscouraged) { 744 data.setUploadDiscouraged(uploadDiscouraged); 745 } 746 747 @Override 748 public boolean isSavable() { 749 return true; // With OsmExporter 750 } 751 752 @Override 753 public boolean checkSaveConditions() { 754 if (isDataSetEmpty()) { 755 ExtendedDialog dialog = new ExtendedDialog( 756 Main.parent, 757 tr("Empty document"), 758 new String[] {tr("Save anyway"), tr("Cancel")} 759 ); 760 dialog.setContent(tr("The document contains no data.")); 761 dialog.setButtonIcons(new String[] {"save.png", "cancel.png"}); 762 dialog.showDialog(); 763 if (dialog.getValue() != 1) return false; 764 } 765 766 ConflictCollection conflicts = getConflicts(); 767 if (conflicts != null && !conflicts.isEmpty()) { 768 ExtendedDialog dialog = new ExtendedDialog( 769 Main.parent, 770 /* I18N: Display title of the window showing conflicts */ 771 tr("Conflicts"), 772 new String[] {tr("Reject Conflicts and Save"), tr("Cancel")} 773 ); 774 dialog.setContent(tr("There are unresolved conflicts. Conflicts will not be saved and handled as if you rejected all. Continue?")); 775 dialog.setButtonIcons(new String[] {"save.png", "cancel.png"}); 776 dialog.showDialog(); 777 if (dialog.getValue() != 1) return false; 778 } 779 return true; 780 } 781 782 /** 783 * Check the data set if it would be empty on save. It is empty, if it contains 784 * no objects (after all objects that are created and deleted without being 785 * transferred to the server have been removed). 786 * 787 * @return <code>true</code>, if a save result in an empty data set. 788 */ 789 private boolean isDataSetEmpty() { 790 if (data != null) { 791 for (OsmPrimitive osm : data.allNonDeletedPrimitives()) 792 if (!osm.isDeleted() || !osm.isNewOrUndeleted()) 793 return false; 794 } 795 return true; 796 } 797 798 @Override 799 public File createAndOpenSaveFileChooser() { 800 return SaveActionBase.createAndOpenSaveFileChooser(tr("Save OSM file"), "osm"); 801 } 802 }