source: josm/trunk/src/org/openstreetmap/josm/gui/MapView.java@ 2653

Last change on this file since 2653 was 2653, checked in by jttt, 14 years ago

Fixed #4198 NPE on last layer delete
  • Property svn:eol-style set to native
File size: 24.2 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.gui.layer.GpxLayer;
47import org.openstreetmap.josm.gui.layer.Layer;
48import org.openstreetmap.josm.gui.layer.MapViewPaintable;
49import org.openstreetmap.josm.gui.layer.OsmDataLayer;
50import org.openstreetmap.josm.gui.layer.markerlayer.MarkerLayer;
51import org.openstreetmap.josm.gui.layer.markerlayer.PlayHeadMarker;
52import org.openstreetmap.josm.tools.AudioPlayer;
53
54/**
55 * This is a component used in the MapFrame for browsing the map. It use is to
56 * provide the MapMode's enough capabilities to operate.
57 *
58 * MapView hold meta-data about the data set currently displayed, as scale level,
59 * center point viewed, what scrolling mode or editing mode is selected or with
60 * what projection the map is viewed etc..
61 *
62 * MapView is able to administrate several layers.
63 *
64 * @author imi
65 */
66public class MapView extends NavigatableComponent implements PropertyChangeListener {
67
68 /**
69 * Interface to notify listeners of the change of the active layer.
70 * @author imi
71 */
72 public interface LayerChangeListener {
73 void activeLayerChange(Layer oldLayer, Layer newLayer);
74 void layerAdded(Layer newLayer);
75 void layerRemoved(Layer oldLayer);
76 }
77
78 public interface EditLayerChangeListener {
79 void editLayerChanged(OsmDataLayer oldLayer, OsmDataLayer newLayer);
80 }
81
82 /**
83 * the layer listeners
84 */
85 private static final Collection<MapView.LayerChangeListener> layerChangeListeners = new CopyOnWriteArrayList<MapView.LayerChangeListener>();
86 private static final Collection<EditLayerChangeListener> editLayerChangeListeners = new CopyOnWriteArrayList<EditLayerChangeListener>();
87
88 /**
89 * Removes a layer change listener
90 *
91 * @param listener the listener. Ignored if null or already registered.
92 */
93 public static void removeLayerChangeListener(MapView.LayerChangeListener listener) {
94 if (listener != null && layerChangeListeners.contains(listener)) {
95 layerChangeListeners.remove(listener);
96 }
97 }
98
99 public static void removeEditLayerChangeListener(EditLayerChangeListener listener) {
100 if (listener != null && editLayerChangeListeners.contains(listener)) {
101 editLayerChangeListeners.remove(listener);
102 }
103 }
104
105
106
107 /**
108 * Adds a layer change listener
109 *
110 * @param listener the listener. Ignored if null or already registered.
111 */
112 public static void addLayerChangeListener(MapView.LayerChangeListener listener) {
113 if (listener != null && ! layerChangeListeners.contains(listener)) {
114 layerChangeListeners.add(listener);
115 }
116 }
117
118 public static void addEditLayerChangeListener(EditLayerChangeListener listener) {
119 if (listener != null && ! layerChangeListeners.contains(listener)) {
120 editLayerChangeListeners.add(listener);
121 }
122 }
123
124 protected static void fireActiveLayerChanged(Layer oldLayer, Layer newLayer) {
125 for (LayerChangeListener l : layerChangeListeners) {
126 l.activeLayerChange(oldLayer, newLayer);
127 }
128 }
129
130 protected static void fireLayerAdded(Layer newLayer) {
131 for (MapView.LayerChangeListener l : MapView.layerChangeListeners) {
132 l.layerAdded(newLayer);
133 }
134 }
135
136 protected static void fireLayerRemoved(Layer layer) {
137 for (MapView.LayerChangeListener l : MapView.layerChangeListeners) {
138 l.layerRemoved(layer);
139 }
140 }
141
142 protected static void fireEditLayerChanged(OsmDataLayer oldLayer, OsmDataLayer newLayer) {
143 for (EditLayerChangeListener l : editLayerChangeListeners) {
144 l.editLayerChanged(oldLayer, newLayer);
145 }
146 }
147
148 /**
149 * A list of all layers currently loaded.
150 */
151 private ArrayList<Layer> layers = new ArrayList<Layer>();
152 /**
153 * The play head marker: there is only one of these so it isn't in any specific layer
154 */
155 public PlayHeadMarker playHeadMarker = null;
156
157 /**
158 * The layer from the layers list that is currently active.
159 */
160 private Layer activeLayer;
161
162 private OsmDataLayer editLayer;
163
164 /**
165 * The last event performed by mouse.
166 */
167 public MouseEvent lastMEvent;
168
169 private LinkedList<MapViewPaintable> temporaryLayers = new LinkedList<MapViewPaintable>();
170
171 private BufferedImage offscreenBuffer;
172
173 public MapView() {
174 addComponentListener(new ComponentAdapter(){
175 @Override public void componentResized(ComponentEvent e) {
176 removeComponentListener(this);
177
178 MapSlider zoomSlider = new MapSlider(MapView.this);
179 add(zoomSlider);
180 zoomSlider.setBounds(3, 0, 114, 30);
181
182 MapScaler scaler = new MapScaler(MapView.this);
183 add(scaler);
184 scaler.setLocation(10,30);
185
186 if (!zoomToEditLayerBoundingBox()) {
187 new AutoScaleAction("data").actionPerformed(null);
188 }
189
190 new MapMover(MapView.this, Main.contentPane);
191 JosmAction mv;
192 mv = new MoveAction(MoveAction.Direction.UP);
193 if (mv.getShortcut() != null) {
194 Main.contentPane.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(mv.getShortcut().getKeyStroke(), "UP");
195 Main.contentPane.getActionMap().put("UP", mv);
196 }
197 mv = new MoveAction(MoveAction.Direction.DOWN);
198 if (mv.getShortcut() != null) {
199 Main.contentPane.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(mv.getShortcut().getKeyStroke(), "DOWN");
200 Main.contentPane.getActionMap().put("DOWN", mv);
201 }
202 mv = new MoveAction(MoveAction.Direction.LEFT);
203 if (mv.getShortcut() != null) {
204 Main.contentPane.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(mv.getShortcut().getKeyStroke(), "LEFT");
205 Main.contentPane.getActionMap().put("LEFT", mv);
206 }
207 mv = new MoveAction(MoveAction.Direction.RIGHT);
208 if (mv.getShortcut() != null) {
209 Main.contentPane.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(mv.getShortcut().getKeyStroke(), "RIGHT");
210 Main.contentPane.getActionMap().put("RIGHT", mv);
211 }
212 }
213 });
214
215 // listend to selection changes to redraw the map
216 DataSet.selListeners.add(new SelectionChangedListener(){
217 public void selectionChanged(Collection<? extends OsmPrimitive> newSelection) {
218 repaint();
219 }
220 });
221
222 //store the last mouse action
223 this.addMouseMotionListener(new MouseMotionListener() {
224 public void mouseDragged(MouseEvent e) {
225 mouseMoved(e);
226 }
227 public void mouseMoved(MouseEvent e) {
228 lastMEvent = e;
229 }
230 });
231 }
232
233 /**
234 * Adds a GPX layer. A GPX layer is added below the lowest data layer.
235 *
236 * @param layer the GPX layer
237 */
238 protected void addGpxLayer(GpxLayer layer) {
239 if (layers.isEmpty()) {
240 layers.add(layer);
241 return;
242 }
243 for (int i=layers.size()-1; i>= 0; i--) {
244 if (layers.get(i) instanceof OsmDataLayer) {
245 if (i == layers.size()-1) {
246 layers.add(layer);
247 } else {
248 layers.add(i+1, layer);
249 }
250 return;
251 }
252 }
253 layers.add(layer);
254 }
255
256 /**
257 * Add a layer to the current MapView. The layer will be added at topmost
258 * position.
259 */
260 public void addLayer(Layer layer) {
261 if (layer instanceof MarkerLayer && playHeadMarker == null) {
262 playHeadMarker = PlayHeadMarker.create();
263 }
264
265 if (layer instanceof GpxLayer) {
266 addGpxLayer((GpxLayer)layer);
267 } else if (layer.isBackgroundLayer() || layers.isEmpty()) {
268 layers.add(layer);
269 } else {
270 layers.add(0, layer);
271 }
272 fireLayerAdded(layer);
273 if (layer instanceof OsmDataLayer || activeLayer == null) {
274 // autoselect the new layer
275 setActiveLayer(layer);
276 }
277 layer.addPropertyChangeListener(this);
278 AudioPlayer.reset();
279 repaint();
280 }
281
282 @Override
283 protected DataSet getCurrentDataSet() {
284 if (editLayer != null)
285 return editLayer.data;
286 else
287 return null;
288 }
289
290 /**
291 * Replies true if the active layer is drawable.
292 *
293 * @return true if the active layer is drawable, false otherwise
294 */
295 public boolean isActiveLayerDrawable() {
296 return editLayer != null;
297 }
298
299 /**
300 * Replies true if the active layer is visible.
301 *
302 * @return true if the active layer is visible, false otherwise
303 */
304 public boolean isActiveLayerVisible() {
305 return isActiveLayerDrawable() && editLayer.isVisible();
306 }
307
308
309 /**
310 * Determines the next active data layer according to the following
311 * rules:
312 * <ul>
313 * <li>if there is at least one {@see OsmDataLayer} the first one
314 * becomes active</li>
315 * <li>otherwise, the top most layer of any type becomes active</li>
316 * </ul>
317 *
318 * @return the next active data layer
319 */
320 protected Layer determineNextActiveLayer(Layer ignoredLayer) {
321 // First look for data layer
322 for (Layer layer:layers) {
323 if (layer instanceof OsmDataLayer && layer != ignoredLayer)
324 return layer;
325 }
326
327 // Then any layer
328 for (Layer layer:layers) {
329 if (layer != ignoredLayer)
330 return layer;
331 }
332
333 // and then give up
334 return null;
335
336 }
337
338 /**
339 * Remove the layer from the mapview. If the layer was in the list before,
340 * an LayerChange event is fired.
341 */
342 public void removeLayer(Layer layer) {
343 if (layer == activeLayer) {
344 setActiveLayer(determineNextActiveLayer(activeLayer));
345 }
346 if (layers.remove(layer)) {
347 fireLayerRemoved(layer);
348 }
349 layer.removePropertyChangeListener(this);
350 layer.destroy();
351 AudioPlayer.reset();
352 repaint();
353 }
354
355 private boolean virtualNodesEnabled = false;
356
357 public void setVirtualNodesEnabled(boolean enabled) {
358 if(virtualNodesEnabled != enabled) {
359 virtualNodesEnabled = enabled;
360 repaint();
361 }
362 }
363 public boolean isVirtualNodesEnabled() {
364 return virtualNodesEnabled;
365 }
366
367 /**
368 * Moves the layer to the given new position. No event is fired, but repaints
369 * according to the new Z-Order of the layers.
370 *
371 * @param layer The layer to move
372 * @param pos The new position of the layer
373 */
374 public void moveLayer(Layer layer, int pos) {
375 int curLayerPos = layers.indexOf(layer);
376 if (curLayerPos == -1)
377 throw new IllegalArgumentException(tr("Layer not in list."));
378 if (pos == curLayerPos)
379 return; // already in place.
380 layers.remove(curLayerPos);
381 if (pos >= layers.size()) {
382 layers.add(layer);
383 } else {
384 layers.add(pos, layer);
385 }
386 setEditLayer();
387 AudioPlayer.reset();
388 repaint();
389 }
390
391 public int getLayerPos(Layer layer) {
392 int curLayerPos = layers.indexOf(layer);
393 if (curLayerPos == -1)
394 throw new IllegalArgumentException(tr("Layer not in list."));
395 return curLayerPos;
396 }
397
398 /**
399 * Creates a list of the visible layers in Z-Order, the layer with the lowest Z-Order
400 * first, layer with the highest Z-Order last.
401 *
402 * @return a list of the visible in Z-Order, the layer with the lowest Z-Order
403 * first, layer with the highest Z-Order last.
404 */
405 protected List<Layer> getVisibleLayersInZOrder() {
406 ArrayList<Layer> ret = new ArrayList<Layer>();
407 for (Layer l: layers) {
408 if (l.isVisible()) {
409 ret.add(l);
410 }
411 }
412 // sort according to position in the list of layers, with one exception:
413 // an active data layer always becomes a higher Z-Order than all other
414 // data layers
415 //
416 Collections.sort(
417 ret,
418 new Comparator<Layer>() {
419 public int compare(Layer l1, Layer l2) {
420 if (l1 instanceof OsmDataLayer && l2 instanceof OsmDataLayer) {
421 if (l1 == getActiveLayer()) return -1;
422 if (l2 == getActiveLayer()) return 1;
423 return Integer.valueOf(layers.indexOf(l1)).compareTo(layers.indexOf(l2));
424 } else
425 return Integer.valueOf(layers.indexOf(l1)).compareTo(layers.indexOf(l2));
426 }
427 }
428 );
429 Collections.reverse(ret);
430 return ret;
431 }
432
433 /**
434 * Draw the component.
435 */
436 @Override public void paint(Graphics g) {
437 if (center == null)
438 return; // no data loaded yet.
439
440 // re-create offscreen-buffer if we've been resized, otherwise
441 // just re-use it.
442 if (null == offscreenBuffer || offscreenBuffer.getWidth() != getWidth()
443 || offscreenBuffer.getHeight() != getHeight()) {
444 offscreenBuffer = new BufferedImage(getWidth(), getHeight(),
445 BufferedImage.TYPE_INT_ARGB);
446 }
447
448 Graphics2D tempG = offscreenBuffer.createGraphics();
449 tempG.setClip(g.getClip());
450 tempG.setColor(Main.pref.getColor("background", Color.BLACK));
451 tempG.fillRect(0, 0, getWidth(), getHeight());
452
453 Bounds box = getLatLonBounds(g.getClipBounds());
454
455 for (Layer l: getVisibleLayersInZOrder()) {
456 l.paint(tempG, this, box);
457 }
458 for (MapViewPaintable mvp : temporaryLayers) {
459 mvp.paint(tempG, this, box);
460 }
461
462 // draw world borders
463 tempG.setColor(Color.WHITE);
464 Bounds b = getProjection().getWorldBoundsLatLon();
465 double lat = b.getMin().lat();
466 double lon = b.getMin().lon();
467
468 Point p = getPoint(b.getMin());
469
470 GeneralPath path = new GeneralPath();
471
472 path.moveTo(p.x, p.y);
473 double max = b.getMax().lat();
474 for(; lat <= max; lat += 1.0)
475 {
476 p = getPoint(new LatLon(lat >= max ? max : lat, lon));
477 path.lineTo(p.x, p.y);
478 }
479 lat = max; max = b.getMax().lon();
480 for(; lon <= max; lon += 1.0)
481 {
482 p = getPoint(new LatLon(lat, lon >= max ? max : lon));
483 path.lineTo(p.x, p.y);
484 }
485 lon = max; max = b.getMin().lat();
486 for(; lat >= max; lat -= 1.0)
487 {
488 p = getPoint(new LatLon(lat <= max ? max : lat, lon));
489 path.lineTo(p.x, p.y);
490 }
491 lat = max; max = b.getMin().lon();
492 for(; lon >= max; lon -= 1.0)
493 {
494 p = getPoint(new LatLon(lat, lon <= max ? max : lon));
495 path.lineTo(p.x, p.y);
496 }
497
498 int w = offscreenBuffer.getWidth();
499 int h = offscreenBuffer.getHeight();
500
501 // Work around OpenJDK having problems when drawing out of bounds
502 final Area border = new Area(path);
503 // Make the viewport 1px larger in every direction to prevent an
504 // additional 1px border when zooming in
505 final Area viewport = new Area(new Rectangle(-1, -1, w + 2, h + 2));
506 border.intersect(viewport);
507 tempG.draw(border);
508
509 if (playHeadMarker != null) {
510 playHeadMarker.paint(tempG, this);
511 }
512
513 g.drawImage(offscreenBuffer, 0, 0, null);
514 super.paint(g);
515 }
516
517 /**
518 * Set the new dimension to the view.
519 */
520 public void recalculateCenterScale(BoundingXYVisitor box) {
521 if (box == null) {
522 box = new BoundingXYVisitor();
523 }
524 if (box.getBounds() == null) {
525 box.visit(getProjection().getWorldBoundsLatLon());
526 }
527 if (!box.hasExtend()) {
528 box.enlargeBoundingBox();
529 }
530
531 zoomTo(box.getBounds());
532 }
533
534 /**
535 * @return An unmodifiable collection of all layers
536 */
537 public Collection<Layer> getAllLayers() {
538 return Collections.unmodifiableCollection(layers);
539 }
540
541 /**
542 * @return An unmodifiable ordered list of all layers
543 */
544 public List<Layer> getAllLayersAsList() {
545 return Collections.unmodifiableList(layers);
546 }
547
548 /**
549 * Replies an unmodifiable list of layers of a certain type.
550 *
551 * Example:
552 * <pre>
553 * List<WMSLayer> wmsLayers = getLayersOfType(WMSLayer.class);
554 * </pre>
555 *
556 * @return an unmodifiable list of layers of a certain type.
557 */
558 public <T> List<T> getLayersOfType(Class<T> ofType) {
559 ArrayList<T> ret = new ArrayList<T>();
560 for (Layer layer : getAllLayersAsList()) {
561 if (ofType.isInstance(layer)) {
562 ret.add(ofType.cast(layer));
563 }
564 }
565 return ret;
566 }
567
568 /**
569 * Replies the number of layers managed by this mav view
570 *
571 * @return the number of layers managed by this mav view
572 */
573 public int getNumLayers() {
574 return layers.size();
575 }
576
577 /**
578 * Replies true if there is at least one layer in this map view
579 *
580 * @return true if there is at least one layer in this map view
581 */
582 public boolean hasLayers() {
583 return getNumLayers() > 0;
584 }
585
586 private void setEditLayer() {
587 OsmDataLayer newEditLayer = null;
588 OsmDataLayer oldEditLayer = editLayer;
589
590 // Find new edit layer
591 if (activeLayer != editLayer) {
592 if (activeLayer instanceof OsmDataLayer) {
593 newEditLayer = (OsmDataLayer) activeLayer;
594 } else {
595 for (Layer layer:layers) {
596 if (layer instanceof OsmDataLayer) {
597 newEditLayer = (OsmDataLayer) layer;
598 break;
599 }
600 }
601 }
602 }
603
604 // Set new edit layer
605 if (newEditLayer != editLayer) {
606 if (newEditLayer == null) {
607 getCurrentDataSet().setSelected();
608 }
609
610 editLayer = newEditLayer;
611 fireEditLayerChanged(oldEditLayer, newEditLayer);
612 refreshTitle();
613 }
614
615 }
616
617 /**
618 * Sets the active layer to <code>layer</code>. If <code>layer</code> is an instance
619 * of {@see OsmDataLayer} also sets {@see #editLayer} to <code>layer</code>.
620 *
621 * @param layer the layer to be activate; must be one of the layers in the list of layers
622 * @exception IllegalArgumentException thrown if layer is not in the lis of layers
623 */
624 public void setActiveLayer(Layer layer) {
625 if (layer != null && !layers.contains(layer))
626 throw new IllegalArgumentException(tr("Layer ''{0}'' must be in list of layers", layer.toString()));
627
628 if (layer == activeLayer)
629 return;
630
631 Layer old = activeLayer;
632 activeLayer = layer;
633 fireActiveLayerChanged(old, layer);
634
635 setEditLayer();
636
637 /* This only makes the buttons look disabled. Disabling the actions as well requires
638 * the user to re-select the tool after i.e. moving a layer. While testing I found
639 * that I switch layers and actions at the same time and it was annoying to mind the
640 * order. This way it works as visual clue for new users */
641 for (Enumeration<AbstractButton> e = Main.map.toolGroup.getElements() ; e.hasMoreElements() ;) {
642 AbstractButton x=e.nextElement();
643 x.setEnabled(((MapMode)x.getAction()).layerIsSupported(layer));
644 }
645 AudioPlayer.reset();
646 repaint();
647 }
648
649 /**
650 * Replies the currently active layer
651 *
652 * @return the currently active layer (may be null)
653 */
654 public Layer getActiveLayer() {
655 return activeLayer;
656 }
657
658 /**
659 * Replies the current edit layer, if any
660 *
661 * @return the current edit layer. May be null.
662 */
663 public OsmDataLayer getEditLayer() {
664 return editLayer;
665 }
666
667 /**
668 * replies true if the list of layers managed by this map view contain layer
669 *
670 * @param layer the layer
671 * @return true if the list of layers managed by this map view contain layer
672 */
673 public boolean hasLayer(Layer layer) {
674 return layers.contains(layer);
675 }
676
677 /**
678 * Tries to zoom to the download boundingbox[es] of the current edit layer
679 * (aka {@link OsmDataLayer}). If the edit layer has multiple download bounding
680 * boxes it zooms to a large virtual bounding box containing all smaller ones.
681 * This implementation can be used for resolving ticket #1461.
682 *
683 * @return <code>true</code> if a zoom operation has been performed
684 */
685 public boolean zoomToEditLayerBoundingBox() {
686 // workaround for #1461 (zoom to download bounding box instead of all data)
687 // In case we already have an existing data layer ...
688 OsmDataLayer layer= getEditLayer();
689 if (layer == null)
690 return false;
691 Collection<DataSource> dataSources = layer.data.dataSources;
692 // ... with bounding box[es] of data loaded from OSM or a file...
693 BoundingXYVisitor bbox = new BoundingXYVisitor();
694 for (DataSource ds : dataSources) {
695 bbox.visit(ds.bounds);
696 if (bbox.hasExtend()) {
697 // ... we zoom to it's bounding box
698 recalculateCenterScale(bbox);
699 return true;
700 }
701 }
702 return false;
703 }
704
705 public boolean addTemporaryLayer(MapViewPaintable mvp) {
706 if (temporaryLayers.contains(mvp)) return false;
707 return temporaryLayers.add(mvp);
708 }
709
710 public boolean removeTemporaryLayer(MapViewPaintable mvp) {
711 return temporaryLayers.remove(mvp);
712 }
713
714 public void propertyChange(PropertyChangeEvent evt) {
715 if (evt.getPropertyName().equals(Layer.VISIBLE_PROP)) {
716 repaint();
717 } else if (evt.getPropertyName().equals(OsmDataLayer.REQUIRES_SAVE_TO_DISK_PROP)
718 || evt.getPropertyName().equals(OsmDataLayer.REQUIRES_UPLOAD_TO_SERVER_PROP)) {
719 OsmDataLayer layer = (OsmDataLayer)evt.getSource();
720 if (layer == getEditLayer()) {
721 refreshTitle();
722 }
723 }
724 }
725
726 protected void refreshTitle() {
727 boolean dirty = editLayer != null && (editLayer.requiresSaveToFile() || editLayer.requiresUploadToServer());
728 if (dirty) {
729 JOptionPane.getFrameForComponent(Main.parent).setTitle("* " + tr("Java OpenStreetMap Editor"));
730 } else {
731 JOptionPane.getFrameForComponent(Main.parent).setTitle(tr("Java OpenStreetMap Editor"));
732 }
733 }
734
735}
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