source: josm/trunk/src/org/openstreetmap/josm/gui/MapView.java@ 2860

Last change on this file since 2860 was 2860, checked in by jttt, 14 years ago

Fixed #3233 Relation list doesn't update when a data layer is deleted
  • Property svn:eol-style set to native
File size: 24.4 KB
Line 
1// License: GPL. See LICENSE file for details.
2
3package org.openstreetmap.josm.gui;
4
5import static org.openstreetmap.josm.tools.I18n.tr;
6
7import java.awt.Color;
8import java.awt.Graphics;
9import java.awt.Graphics2D;
10import java.awt.Point;
11import java.awt.Rectangle;
12import java.awt.event.ComponentAdapter;
13import java.awt.event.ComponentEvent;
14import java.awt.event.MouseEvent;
15import java.awt.event.MouseMotionListener;
16import java.awt.geom.Area;
17import java.awt.geom.GeneralPath;
18import java.awt.image.BufferedImage;
19import java.beans.PropertyChangeEvent;
20import java.beans.PropertyChangeListener;
21import java.util.ArrayList;
22import java.util.Collection;
23import java.util.Collections;
24import java.util.Comparator;
25import java.util.Enumeration;
26import java.util.LinkedList;
27import java.util.List;
28import java.util.concurrent.CopyOnWriteArrayList;
29
30import javax.swing.AbstractButton;
31import javax.swing.JComponent;
32import javax.swing.JOptionPane;
33
34import org.openstreetmap.josm.Main;
35import org.openstreetmap.josm.actions.AutoScaleAction;
36import org.openstreetmap.josm.actions.JosmAction;
37import org.openstreetmap.josm.actions.MoveAction;
38import org.openstreetmap.josm.actions.mapmode.MapMode;
39import org.openstreetmap.josm.data.Bounds;
40import org.openstreetmap.josm.data.SelectionChangedListener;
41import org.openstreetmap.josm.data.coor.LatLon;
42import org.openstreetmap.josm.data.osm.DataSet;
43import org.openstreetmap.josm.data.osm.DataSource;
44import org.openstreetmap.josm.data.osm.OsmPrimitive;
45import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor;
46import org.openstreetmap.josm.data.osm.visitor.paint.PaintColors;
47import org.openstreetmap.josm.gui.layer.GpxLayer;
48import org.openstreetmap.josm.gui.layer.Layer;
49import org.openstreetmap.josm.gui.layer.MapViewPaintable;
50import org.openstreetmap.josm.gui.layer.OsmDataLayer;
51import org.openstreetmap.josm.gui.layer.markerlayer.MarkerLayer;
52import org.openstreetmap.josm.gui.layer.markerlayer.PlayHeadMarker;
53import org.openstreetmap.josm.tools.AudioPlayer;
54
55/**
56 * This is a component used in the MapFrame for browsing the map. It use is to
57 * provide the MapMode's enough capabilities to operate.
58 *
59 * MapView hold meta-data about the data set currently displayed, as scale level,
60 * center point viewed, what scrolling mode or editing mode is selected or with
61 * what projection the map is viewed etc..
62 *
63 * MapView is able to administrate several layers.
64 *
65 * @author imi
66 */
67public class MapView extends NavigatableComponent implements PropertyChangeListener {
68
69 /**
70 * Interface to notify listeners of the change of the active layer.
71 * @author imi
72 */
73 public interface LayerChangeListener {
74 void activeLayerChange(Layer oldLayer, Layer newLayer);
75 void layerAdded(Layer newLayer);
76 void layerRemoved(Layer oldLayer);
77 }
78
79 public interface EditLayerChangeListener {
80 void editLayerChanged(OsmDataLayer oldLayer, OsmDataLayer newLayer);
81 }
82
83 /**
84 * the layer listeners
85 */
86 private static final CopyOnWriteArrayList<MapView.LayerChangeListener> layerChangeListeners = new CopyOnWriteArrayList<MapView.LayerChangeListener>();
87 private static final CopyOnWriteArrayList<EditLayerChangeListener> editLayerChangeListeners = new CopyOnWriteArrayList<EditLayerChangeListener>();
88
89 /**
90 * Removes a layer change listener
91 *
92 * @param listener the listener. Ignored if null or already registered.
93 */
94 public static void removeLayerChangeListener(MapView.LayerChangeListener listener) {
95 layerChangeListeners.remove(listener);
96 }
97
98 public static void removeEditLayerChangeListener(EditLayerChangeListener listener) {
99 editLayerChangeListeners.remove(listener);
100 }
101
102 /**
103 * Adds a layer change listener
104 *
105 * @param listener the listener. Ignored if null or already registered.
106 */
107 public static void addLayerChangeListener(MapView.LayerChangeListener listener) {
108 if (listener != null) {
109 layerChangeListeners.addIfAbsent(listener);
110 }
111 }
112
113 public static void addEditLayerChangeListener(EditLayerChangeListener listener) {
114 if (listener != null) {
115 editLayerChangeListeners.addIfAbsent(listener);
116 }
117 }
118
119 protected static void fireActiveLayerChanged(Layer oldLayer, Layer newLayer) {
120 for (LayerChangeListener l : layerChangeListeners) {
121 l.activeLayerChange(oldLayer, newLayer);
122 }
123 }
124
125 protected static void fireLayerAdded(Layer newLayer) {
126 for (MapView.LayerChangeListener l : MapView.layerChangeListeners) {
127 l.layerAdded(newLayer);
128 }
129 }
130
131 protected static void fireLayerRemoved(Layer layer) {
132 for (MapView.LayerChangeListener l : MapView.layerChangeListeners) {
133 l.layerRemoved(layer);
134 }
135 }
136
137 protected static void fireEditLayerChanged(OsmDataLayer oldLayer, OsmDataLayer newLayer) {
138 for (EditLayerChangeListener l : editLayerChangeListeners) {
139 l.editLayerChanged(oldLayer, newLayer);
140 }
141 }
142
143 /**
144 * A list of all layers currently loaded.
145 */
146 private ArrayList<Layer> layers = new ArrayList<Layer>();
147 /**
148 * The play head marker: there is only one of these so it isn't in any specific layer
149 */
150 public PlayHeadMarker playHeadMarker = null;
151
152 /**
153 * The layer from the layers list that is currently active.
154 */
155 private Layer activeLayer;
156
157 private OsmDataLayer editLayer;
158
159 /**
160 * The last event performed by mouse.
161 */
162 public MouseEvent lastMEvent;
163
164 private LinkedList<MapViewPaintable> temporaryLayers = new LinkedList<MapViewPaintable>();
165
166 private BufferedImage offscreenBuffer;
167
168 public MapView() {
169 addComponentListener(new ComponentAdapter(){
170 @Override public void componentResized(ComponentEvent e) {
171 removeComponentListener(this);
172
173 MapSlider zoomSlider = new MapSlider(MapView.this);
174 add(zoomSlider);
175 zoomSlider.setBounds(3, 0, 114, 30);
176
177 MapScaler scaler = new MapScaler(MapView.this);
178 add(scaler);
179 scaler.setLocation(10,30);
180
181 if (!zoomToEditLayerBoundingBox()) {
182 new AutoScaleAction("data").actionPerformed(null);
183 }
184
185 new MapMover(MapView.this, Main.contentPane);
186 JosmAction mv;
187 mv = new MoveAction(MoveAction.Direction.UP);
188 if (mv.getShortcut() != null) {
189 Main.contentPane.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(mv.getShortcut().getKeyStroke(), "UP");
190 Main.contentPane.getActionMap().put("UP", mv);
191 }
192 mv = new MoveAction(MoveAction.Direction.DOWN);
193 if (mv.getShortcut() != null) {
194 Main.contentPane.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(mv.getShortcut().getKeyStroke(), "DOWN");
195 Main.contentPane.getActionMap().put("DOWN", mv);
196 }
197 mv = new MoveAction(MoveAction.Direction.LEFT);
198 if (mv.getShortcut() != null) {
199 Main.contentPane.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(mv.getShortcut().getKeyStroke(), "LEFT");
200 Main.contentPane.getActionMap().put("LEFT", mv);
201 }
202 mv = new MoveAction(MoveAction.Direction.RIGHT);
203 if (mv.getShortcut() != null) {
204 Main.contentPane.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(mv.getShortcut().getKeyStroke(), "RIGHT");
205 Main.contentPane.getActionMap().put("RIGHT", mv);
206 }
207 }
208 });
209
210 // listend to selection changes to redraw the map
211 DataSet.selListeners.add(new SelectionChangedListener(){
212 public void selectionChanged(Collection<? extends OsmPrimitive> newSelection) {
213 repaint();
214 }
215 });
216
217 //store the last mouse action
218 this.addMouseMotionListener(new MouseMotionListener() {
219 public void mouseDragged(MouseEvent e) {
220 mouseMoved(e);
221 }
222 public void mouseMoved(MouseEvent e) {
223 lastMEvent = e;
224 }
225 });
226 }
227
228 /**
229 * Adds a GPX layer. A GPX layer is added below the lowest data layer.
230 *
231 * @param layer the GPX layer
232 */
233 protected void addGpxLayer(GpxLayer layer) {
234 if (layers.isEmpty()) {
235 layers.add(layer);
236 return;
237 }
238 for (int i=layers.size()-1; i>= 0; i--) {
239 if (layers.get(i) instanceof OsmDataLayer) {
240 if (i == layers.size()-1) {
241 layers.add(layer);
242 } else {
243 layers.add(i+1, layer);
244 }
245 return;
246 }
247 }
248 layers.add(layer);
249 }
250
251 /**
252 * Add a layer to the current MapView. The layer will be added at topmost
253 * position.
254 */
255 public void addLayer(Layer layer) {
256 if (layer instanceof MarkerLayer && playHeadMarker == null) {
257 playHeadMarker = PlayHeadMarker.create();
258 }
259
260 if (layer instanceof GpxLayer) {
261 addGpxLayer((GpxLayer)layer);
262 } else if (layer.isBackgroundLayer() || layers.isEmpty()) {
263 layers.add(layer);
264 } else {
265 layers.add(0, layer);
266 }
267 fireLayerAdded(layer);
268 if (layer instanceof OsmDataLayer || activeLayer == null) {
269 // autoselect the new layer
270 setActiveLayer(layer);
271 }
272 layer.addPropertyChangeListener(this);
273 AudioPlayer.reset();
274 repaint();
275 }
276
277 @Override
278 protected DataSet getCurrentDataSet() {
279 if (editLayer != null)
280 return editLayer.data;
281 else
282 return null;
283 }
284
285 /**
286 * Replies true if the active layer is drawable.
287 *
288 * @return true if the active layer is drawable, false otherwise
289 */
290 public boolean isActiveLayerDrawable() {
291 return editLayer != null;
292 }
293
294 /**
295 * Replies true if the active layer is visible.
296 *
297 * @return true if the active layer is visible, false otherwise
298 */
299 public boolean isActiveLayerVisible() {
300 return isActiveLayerDrawable() && editLayer.isVisible();
301 }
302
303 /**
304 * Determines the next active data layer according to the following
305 * rules:
306 * <ul>
307 * <li>if there is at least one {@see OsmDataLayer} the first one
308 * becomes active</li>
309 * <li>otherwise, the top most layer of any type becomes active</li>
310 * </ul>
311 *
312 * @return the next active data layer
313 */
314 protected Layer determineNextActiveLayer(List<Layer> layersList) {
315 // First look for data layer
316 for (Layer layer:layersList) {
317 if (layer instanceof OsmDataLayer)
318 return layer;
319 }
320
321 // Then any layer
322 if (!layersList.isEmpty())
323 return layersList.get(0);
324
325 // and then give up
326 return null;
327
328 }
329
330 /**
331 * Remove the layer from the mapview. If the layer was in the list before,
332 * an LayerChange event is fired.
333 */
334 public void removeLayer(Layer layer) {
335 List<Layer> layersList = new ArrayList<Layer>(layers);
336
337 if (!layersList.remove(layer))
338 return;
339
340 setEditLayer(layersList);
341
342 if (layer == activeLayer) {
343 setActiveLayer(determineNextActiveLayer(layersList), false);
344 }
345
346 layers.remove(layer);
347 fireLayerRemoved(layer);
348 layer.removePropertyChangeListener(this);
349 layer.destroy();
350 AudioPlayer.reset();
351 repaint();
352 }
353
354 private boolean virtualNodesEnabled = false;
355
356 public void setVirtualNodesEnabled(boolean enabled) {
357 if(virtualNodesEnabled != enabled) {
358 virtualNodesEnabled = enabled;
359 repaint();
360 }
361 }
362 public boolean isVirtualNodesEnabled() {
363 return virtualNodesEnabled;
364 }
365
366 /**
367 * Moves the layer to the given new position. No event is fired, but repaints
368 * according to the new Z-Order of the layers.
369 *
370 * @param layer The layer to move
371 * @param pos The new position of the layer
372 */
373 public void moveLayer(Layer layer, int pos) {
374 int curLayerPos = layers.indexOf(layer);
375 if (curLayerPos == -1)
376 throw new IllegalArgumentException(tr("Layer not in list."));
377 if (pos == curLayerPos)
378 return; // already in place.
379 layers.remove(curLayerPos);
380 if (pos >= layers.size()) {
381 layers.add(layer);
382 } else {
383 layers.add(pos, layer);
384 }
385 setEditLayer(layers);
386 AudioPlayer.reset();
387 repaint();
388 }
389
390 public int getLayerPos(Layer layer) {
391 int curLayerPos = layers.indexOf(layer);
392 if (curLayerPos == -1)
393 throw new IllegalArgumentException(tr("Layer not in list."));
394 return curLayerPos;
395 }
396
397 /**
398 * Creates a list of the visible layers in Z-Order, the layer with the lowest Z-Order
399 * first, layer with the highest Z-Order last.
400 *
401 * @return a list of the visible in Z-Order, the layer with the lowest Z-Order
402 * first, layer with the highest Z-Order last.
403 */
404 protected List<Layer> getVisibleLayersInZOrder() {
405 ArrayList<Layer> ret = new ArrayList<Layer>();
406 for (Layer l: layers) {
407 if (l.isVisible()) {
408 ret.add(l);
409 }
410 }
411 // sort according to position in the list of layers, with one exception:
412 // an active data layer always becomes a higher Z-Order than all other
413 // data layers
414 //
415 Collections.sort(
416 ret,
417 new Comparator<Layer>() {
418 public int compare(Layer l1, Layer l2) {
419 if (l1 instanceof OsmDataLayer && l2 instanceof OsmDataLayer) {
420 if (l1 == getActiveLayer()) return -1;
421 if (l2 == getActiveLayer()) return 1;
422 return Integer.valueOf(layers.indexOf(l1)).compareTo(layers.indexOf(l2));
423 } else
424 return Integer.valueOf(layers.indexOf(l1)).compareTo(layers.indexOf(l2));
425 }
426 }
427 );
428 Collections.reverse(ret);
429 return ret;
430 }
431
432 /**
433 * Draw the component.
434 */
435 @Override public void paint(Graphics g) {
436 if (center == null)
437 return; // no data loaded yet.
438
439 // re-create offscreen-buffer if we've been resized, otherwise
440 // just re-use it.
441 if (null == offscreenBuffer || offscreenBuffer.getWidth() != getWidth()
442 || offscreenBuffer.getHeight() != getHeight()) {
443 offscreenBuffer = new BufferedImage(getWidth(), getHeight(), BufferedImage.TYPE_3BYTE_BGR);
444 }
445
446 Graphics2D tempG = offscreenBuffer.createGraphics();
447 tempG.setClip(g.getClip());
448 tempG.setColor(PaintColors.BACKGROUND.get());
449 tempG.fillRect(0, 0, getWidth(), getHeight());
450
451 Bounds box = getLatLonBounds(g.getClipBounds());
452
453 for (Layer l: getVisibleLayersInZOrder()) {
454 l.paint(tempG, this, box);
455 }
456 for (MapViewPaintable mvp : temporaryLayers) {
457 mvp.paint(tempG, this, box);
458 }
459
460 // draw world borders
461 tempG.setColor(Color.WHITE);
462 Bounds b = getProjection().getWorldBoundsLatLon();
463 double lat = b.getMin().lat();
464 double lon = b.getMin().lon();
465
466 Point p = getPoint(b.getMin());
467
468 GeneralPath path = new GeneralPath();
469
470 path.moveTo(p.x, p.y);
471 double max = b.getMax().lat();
472 for(; lat <= max; lat += 1.0)
473 {
474 p = getPoint(new LatLon(lat >= max ? max : lat, lon));
475 path.lineTo(p.x, p.y);
476 }
477 lat = max; max = b.getMax().lon();
478 for(; lon <= max; lon += 1.0)
479 {
480 p = getPoint(new LatLon(lat, lon >= max ? max : lon));
481 path.lineTo(p.x, p.y);
482 }
483 lon = max; max = b.getMin().lat();
484 for(; lat >= max; lat -= 1.0)
485 {
486 p = getPoint(new LatLon(lat <= max ? max : lat, lon));
487 path.lineTo(p.x, p.y);
488 }
489 lat = max; max = b.getMin().lon();
490 for(; lon >= max; lon -= 1.0)
491 {
492 p = getPoint(new LatLon(lat, lon <= max ? max : lon));
493 path.lineTo(p.x, p.y);
494 }
495
496 int w = offscreenBuffer.getWidth();
497 int h = offscreenBuffer.getHeight();
498
499 // Work around OpenJDK having problems when drawing out of bounds
500 final Area border = new Area(path);
501 // Make the viewport 1px larger in every direction to prevent an
502 // additional 1px border when zooming in
503 final Area viewport = new Area(new Rectangle(-1, -1, w + 2, h + 2));
504 border.intersect(viewport);
505 tempG.draw(border);
506
507 if (playHeadMarker != null) {
508 playHeadMarker.paint(tempG, this);
509 }
510
511 g.drawImage(offscreenBuffer, 0, 0, null);
512 super.paint(g);
513 }
514
515 /**
516 * Set the new dimension to the view.
517 */
518 public void recalculateCenterScale(BoundingXYVisitor box) {
519 if (box == null) {
520 box = new BoundingXYVisitor();
521 }
522 if (box.getBounds() == null) {
523 box.visit(getProjection().getWorldBoundsLatLon());
524 }
525 if (!box.hasExtend()) {
526 box.enlargeBoundingBox();
527 }
528
529 zoomTo(box.getBounds());
530 }
531
532 /**
533 * @return An unmodifiable collection of all layers
534 */
535 public Collection<Layer> getAllLayers() {
536 return Collections.unmodifiableCollection(layers);
537 }
538
539 /**
540 * @return An unmodifiable ordered list of all layers
541 */
542 public List<Layer> getAllLayersAsList() {
543 return Collections.unmodifiableList(layers);
544 }
545
546 /**
547 * Replies an unmodifiable list of layers of a certain type.
548 *
549 * Example:
550 * <pre>
551 * List<WMSLayer> wmsLayers = getLayersOfType(WMSLayer.class);
552 * </pre>
553 *
554 * @return an unmodifiable list of layers of a certain type.
555 */
556 public <T> List<T> getLayersOfType(Class<T> ofType) {
557 ArrayList<T> ret = new ArrayList<T>();
558 for (Layer layer : getAllLayersAsList()) {
559 if (ofType.isInstance(layer)) {
560 ret.add(ofType.cast(layer));
561 }
562 }
563 return ret;
564 }
565
566 /**
567 * Replies the number of layers managed by this mav view
568 *
569 * @return the number of layers managed by this mav view
570 */
571 public int getNumLayers() {
572 return layers.size();
573 }
574
575 /**
576 * Replies true if there is at least one layer in this map view
577 *
578 * @return true if there is at least one layer in this map view
579 */
580 public boolean hasLayers() {
581 return getNumLayers() > 0;
582 }
583
584 private void setEditLayer(List<Layer> layersList) {
585 OsmDataLayer newEditLayer = layersList.contains(editLayer)?editLayer:null;
586 OsmDataLayer oldEditLayer = editLayer;
587
588 // Find new edit layer
589 if (activeLayer != editLayer || !layersList.contains(editLayer)) {
590 if (activeLayer instanceof OsmDataLayer && layersList.contains(activeLayer)) {
591 newEditLayer = (OsmDataLayer) activeLayer;
592 } else {
593 for (Layer layer:layersList) {
594 if (layer instanceof OsmDataLayer) {
595 newEditLayer = (OsmDataLayer) layer;
596 break;
597 }
598 }
599 }
600 }
601
602 // Set new edit layer
603 if (newEditLayer != editLayer) {
604 if (newEditLayer == null) {
605 getCurrentDataSet().setSelected();
606 }
607
608 editLayer = newEditLayer;
609 fireEditLayerChanged(oldEditLayer, newEditLayer);
610 refreshTitle();
611 }
612
613 }
614
615 /**
616 * Sets the active layer to <code>layer</code>. If <code>layer</code> is an instance
617 * of {@see OsmDataLayer} also sets {@see #editLayer} to <code>layer</code>.
618 *
619 * @param layer the layer to be activate; must be one of the layers in the list of layers
620 * @exception IllegalArgumentException thrown if layer is not in the lis of layers
621 */
622 public void setActiveLayer(Layer layer) {
623 setActiveLayer(layer, true);
624 }
625
626 private void setActiveLayer(Layer layer, boolean setEditLayer) {
627 if (layer != null && !layers.contains(layer))
628 throw new IllegalArgumentException(tr("Layer ''{0}'' must be in list of layers", layer.toString()));
629
630 if (layer == activeLayer)
631 return;
632
633 Layer old = activeLayer;
634 activeLayer = layer;
635 if (setEditLayer) {
636 setEditLayer(layers);
637 }
638 fireActiveLayerChanged(old, layer);
639
640 /* This only makes the buttons look disabled. Disabling the actions as well requires
641 * the user to re-select the tool after i.e. moving a layer. While testing I found
642 * that I switch layers and actions at the same time and it was annoying to mind the
643 * order. This way it works as visual clue for new users */
644 for (Enumeration<AbstractButton> e = Main.map.toolGroup.getElements() ; e.hasMoreElements() ;) {
645 AbstractButton x=e.nextElement();
646 x.setEnabled(((MapMode)x.getAction()).layerIsSupported(layer));
647 }
648 AudioPlayer.reset();
649 repaint();
650 }
651
652 /**
653 * Replies the currently active layer
654 *
655 * @return the currently active layer (may be null)
656 */
657 public Layer getActiveLayer() {
658 return activeLayer;
659 }
660
661 /**
662 * Replies the current edit layer, if any
663 *
664 * @return the current edit layer. May be null.
665 */
666 public OsmDataLayer getEditLayer() {
667 return editLayer;
668 }
669
670 /**
671 * replies true if the list of layers managed by this map view contain layer
672 *
673 * @param layer the layer
674 * @return true if the list of layers managed by this map view contain layer
675 */
676 public boolean hasLayer(Layer layer) {
677 return layers.contains(layer);
678 }
679
680 /**
681 * Tries to zoom to the download boundingbox[es] of the current edit layer
682 * (aka {@link OsmDataLayer}). If the edit layer has multiple download bounding
683 * boxes it zooms to a large virtual bounding box containing all smaller ones.
684 * This implementation can be used for resolving ticket #1461.
685 *
686 * @return <code>true</code> if a zoom operation has been performed
687 */
688 public boolean zoomToEditLayerBoundingBox() {
689 // workaround for #1461 (zoom to download bounding box instead of all data)
690 // In case we already have an existing data layer ...
691 OsmDataLayer layer= getEditLayer();
692 if (layer == null)
693 return false;
694 Collection<DataSource> dataSources = layer.data.dataSources;
695 // ... with bounding box[es] of data loaded from OSM or a file...
696 BoundingXYVisitor bbox = new BoundingXYVisitor();
697 for (DataSource ds : dataSources) {
698 bbox.visit(ds.bounds);
699 if (bbox.hasExtend()) {
700 // ... we zoom to it's bounding box
701 recalculateCenterScale(bbox);
702 return true;
703 }
704 }
705 return false;
706 }
707
708 public boolean addTemporaryLayer(MapViewPaintable mvp) {
709 if (temporaryLayers.contains(mvp)) return false;
710 return temporaryLayers.add(mvp);
711 }
712
713 public boolean removeTemporaryLayer(MapViewPaintable mvp) {
714 return temporaryLayers.remove(mvp);
715 }
716
717 public void propertyChange(PropertyChangeEvent evt) {
718 if (evt.getPropertyName().equals(Layer.VISIBLE_PROP)) {
719 repaint();
720 } else if (evt.getPropertyName().equals(OsmDataLayer.REQUIRES_SAVE_TO_DISK_PROP)
721 || evt.getPropertyName().equals(OsmDataLayer.REQUIRES_UPLOAD_TO_SERVER_PROP)) {
722 OsmDataLayer layer = (OsmDataLayer)evt.getSource();
723 if (layer == getEditLayer()) {
724 refreshTitle();
725 }
726 }
727 }
728
729 protected void refreshTitle() {
730 boolean dirty = editLayer != null && (editLayer.requiresSaveToFile() || editLayer.requiresUploadToServer());
731 if (dirty) {
732 JOptionPane.getFrameForComponent(Main.parent).setTitle("* " + tr("Java OpenStreetMap Editor"));
733 } else {
734 JOptionPane.getFrameForComponent(Main.parent).setTitle(tr("Java OpenStreetMap Editor"));
735 }
736 }
737
738}
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