source: josm/trunk/src/org/openstreetmap/josm/gui/MapView.java@ 2657

Last change on this file since 2657 was 2655, checked in by jttt, 14 years ago

Fixed #4161 Major slowdown in recent versions, used correct pattern for listeners realized using CopyOnWriteArrayList
  • Property svn:eol-style set to native
File size: 24.0 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 CopyOnWriteArrayList<MapView.LayerChangeListener> layerChangeListeners = new CopyOnWriteArrayList<MapView.LayerChangeListener>();
86 private static final CopyOnWriteArrayList<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 layerChangeListeners.remove(listener);
95 }
96
97 public static void removeEditLayerChangeListener(EditLayerChangeListener listener) {
98 editLayerChangeListeners.remove(listener);
99 }
100
101
102
103 /**
104 * Adds a layer change listener
105 *
106 * @param listener the listener. Ignored if null or already registered.
107 */
108 public static void addLayerChangeListener(MapView.LayerChangeListener listener) {
109 if (listener != null) {
110 layerChangeListeners.addIfAbsent(listener);
111 }
112 }
113
114 public static void addEditLayerChangeListener(EditLayerChangeListener listener) {
115 if (listener != null) {
116 editLayerChangeListeners.addIfAbsent(listener);
117 }
118 }
119
120 protected static void fireActiveLayerChanged(Layer oldLayer, Layer newLayer) {
121 for (LayerChangeListener l : layerChangeListeners) {
122 l.activeLayerChange(oldLayer, newLayer);
123 }
124 }
125
126 protected static void fireLayerAdded(Layer newLayer) {
127 for (MapView.LayerChangeListener l : MapView.layerChangeListeners) {
128 l.layerAdded(newLayer);
129 }
130 }
131
132 protected static void fireLayerRemoved(Layer layer) {
133 for (MapView.LayerChangeListener l : MapView.layerChangeListeners) {
134 l.layerRemoved(layer);
135 }
136 }
137
138 protected static void fireEditLayerChanged(OsmDataLayer oldLayer, OsmDataLayer newLayer) {
139 for (EditLayerChangeListener l : editLayerChangeListeners) {
140 l.editLayerChanged(oldLayer, newLayer);
141 }
142 }
143
144 /**
145 * A list of all layers currently loaded.
146 */
147 private ArrayList<Layer> layers = new ArrayList<Layer>();
148 /**
149 * The play head marker: there is only one of these so it isn't in any specific layer
150 */
151 public PlayHeadMarker playHeadMarker = null;
152
153 /**
154 * The layer from the layers list that is currently active.
155 */
156 private Layer activeLayer;
157
158 private OsmDataLayer editLayer;
159
160 /**
161 * The last event performed by mouse.
162 */
163 public MouseEvent lastMEvent;
164
165 private LinkedList<MapViewPaintable> temporaryLayers = new LinkedList<MapViewPaintable>();
166
167 private BufferedImage offscreenBuffer;
168
169 public MapView() {
170 addComponentListener(new ComponentAdapter(){
171 @Override public void componentResized(ComponentEvent e) {
172 removeComponentListener(this);
173
174 MapSlider zoomSlider = new MapSlider(MapView.this);
175 add(zoomSlider);
176 zoomSlider.setBounds(3, 0, 114, 30);
177
178 MapScaler scaler = new MapScaler(MapView.this);
179 add(scaler);
180 scaler.setLocation(10,30);
181
182 if (!zoomToEditLayerBoundingBox()) {
183 new AutoScaleAction("data").actionPerformed(null);
184 }
185
186 new MapMover(MapView.this, Main.contentPane);
187 JosmAction mv;
188 mv = new MoveAction(MoveAction.Direction.UP);
189 if (mv.getShortcut() != null) {
190 Main.contentPane.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(mv.getShortcut().getKeyStroke(), "UP");
191 Main.contentPane.getActionMap().put("UP", mv);
192 }
193 mv = new MoveAction(MoveAction.Direction.DOWN);
194 if (mv.getShortcut() != null) {
195 Main.contentPane.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(mv.getShortcut().getKeyStroke(), "DOWN");
196 Main.contentPane.getActionMap().put("DOWN", mv);
197 }
198 mv = new MoveAction(MoveAction.Direction.LEFT);
199 if (mv.getShortcut() != null) {
200 Main.contentPane.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(mv.getShortcut().getKeyStroke(), "LEFT");
201 Main.contentPane.getActionMap().put("LEFT", mv);
202 }
203 mv = new MoveAction(MoveAction.Direction.RIGHT);
204 if (mv.getShortcut() != null) {
205 Main.contentPane.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(mv.getShortcut().getKeyStroke(), "RIGHT");
206 Main.contentPane.getActionMap().put("RIGHT", mv);
207 }
208 }
209 });
210
211 // listend to selection changes to redraw the map
212 DataSet.selListeners.add(new SelectionChangedListener(){
213 public void selectionChanged(Collection<? extends OsmPrimitive> newSelection) {
214 repaint();
215 }
216 });
217
218 //store the last mouse action
219 this.addMouseMotionListener(new MouseMotionListener() {
220 public void mouseDragged(MouseEvent e) {
221 mouseMoved(e);
222 }
223 public void mouseMoved(MouseEvent e) {
224 lastMEvent = e;
225 }
226 });
227 }
228
229 /**
230 * Adds a GPX layer. A GPX layer is added below the lowest data layer.
231 *
232 * @param layer the GPX layer
233 */
234 protected void addGpxLayer(GpxLayer layer) {
235 if (layers.isEmpty()) {
236 layers.add(layer);
237 return;
238 }
239 for (int i=layers.size()-1; i>= 0; i--) {
240 if (layers.get(i) instanceof OsmDataLayer) {
241 if (i == layers.size()-1) {
242 layers.add(layer);
243 } else {
244 layers.add(i+1, layer);
245 }
246 return;
247 }
248 }
249 layers.add(layer);
250 }
251
252 /**
253 * Add a layer to the current MapView. The layer will be added at topmost
254 * position.
255 */
256 public void addLayer(Layer layer) {
257 if (layer instanceof MarkerLayer && playHeadMarker == null) {
258 playHeadMarker = PlayHeadMarker.create();
259 }
260
261 if (layer instanceof GpxLayer) {
262 addGpxLayer((GpxLayer)layer);
263 } else if (layer.isBackgroundLayer() || layers.isEmpty()) {
264 layers.add(layer);
265 } else {
266 layers.add(0, layer);
267 }
268 fireLayerAdded(layer);
269 if (layer instanceof OsmDataLayer || activeLayer == null) {
270 // autoselect the new layer
271 setActiveLayer(layer);
272 }
273 layer.addPropertyChangeListener(this);
274 AudioPlayer.reset();
275 repaint();
276 }
277
278 @Override
279 protected DataSet getCurrentDataSet() {
280 if (editLayer != null)
281 return editLayer.data;
282 else
283 return null;
284 }
285
286 /**
287 * Replies true if the active layer is drawable.
288 *
289 * @return true if the active layer is drawable, false otherwise
290 */
291 public boolean isActiveLayerDrawable() {
292 return editLayer != null;
293 }
294
295 /**
296 * Replies true if the active layer is visible.
297 *
298 * @return true if the active layer is visible, false otherwise
299 */
300 public boolean isActiveLayerVisible() {
301 return isActiveLayerDrawable() && editLayer.isVisible();
302 }
303
304
305 /**
306 * Determines the next active data layer according to the following
307 * rules:
308 * <ul>
309 * <li>if there is at least one {@see OsmDataLayer} the first one
310 * becomes active</li>
311 * <li>otherwise, the top most layer of any type becomes active</li>
312 * </ul>
313 *
314 * @return the next active data layer
315 */
316 protected Layer determineNextActiveLayer(Layer ignoredLayer) {
317 // First look for data layer
318 for (Layer layer:layers) {
319 if (layer instanceof OsmDataLayer && layer != ignoredLayer)
320 return layer;
321 }
322
323 // Then any layer
324 for (Layer layer:layers) {
325 if (layer != ignoredLayer)
326 return layer;
327 }
328
329 // and then give up
330 return null;
331
332 }
333
334 /**
335 * Remove the layer from the mapview. If the layer was in the list before,
336 * an LayerChange event is fired.
337 */
338 public void removeLayer(Layer layer) {
339 if (layer == activeLayer) {
340 setActiveLayer(determineNextActiveLayer(activeLayer));
341 }
342 if (layers.remove(layer)) {
343 fireLayerRemoved(layer);
344 }
345 layer.removePropertyChangeListener(this);
346 layer.destroy();
347 AudioPlayer.reset();
348 repaint();
349 }
350
351 private boolean virtualNodesEnabled = false;
352
353 public void setVirtualNodesEnabled(boolean enabled) {
354 if(virtualNodesEnabled != enabled) {
355 virtualNodesEnabled = enabled;
356 repaint();
357 }
358 }
359 public boolean isVirtualNodesEnabled() {
360 return virtualNodesEnabled;
361 }
362
363 /**
364 * Moves the layer to the given new position. No event is fired, but repaints
365 * according to the new Z-Order of the layers.
366 *
367 * @param layer The layer to move
368 * @param pos The new position of the layer
369 */
370 public void moveLayer(Layer layer, int pos) {
371 int curLayerPos = layers.indexOf(layer);
372 if (curLayerPos == -1)
373 throw new IllegalArgumentException(tr("Layer not in list."));
374 if (pos == curLayerPos)
375 return; // already in place.
376 layers.remove(curLayerPos);
377 if (pos >= layers.size()) {
378 layers.add(layer);
379 } else {
380 layers.add(pos, layer);
381 }
382 setEditLayer();
383 AudioPlayer.reset();
384 repaint();
385 }
386
387 public int getLayerPos(Layer layer) {
388 int curLayerPos = layers.indexOf(layer);
389 if (curLayerPos == -1)
390 throw new IllegalArgumentException(tr("Layer not in list."));
391 return curLayerPos;
392 }
393
394 /**
395 * Creates a list of the visible layers in Z-Order, the layer with the lowest Z-Order
396 * first, layer with the highest Z-Order last.
397 *
398 * @return a list of the visible in Z-Order, the layer with the lowest Z-Order
399 * first, layer with the highest Z-Order last.
400 */
401 protected List<Layer> getVisibleLayersInZOrder() {
402 ArrayList<Layer> ret = new ArrayList<Layer>();
403 for (Layer l: layers) {
404 if (l.isVisible()) {
405 ret.add(l);
406 }
407 }
408 // sort according to position in the list of layers, with one exception:
409 // an active data layer always becomes a higher Z-Order than all other
410 // data layers
411 //
412 Collections.sort(
413 ret,
414 new Comparator<Layer>() {
415 public int compare(Layer l1, Layer l2) {
416 if (l1 instanceof OsmDataLayer && l2 instanceof OsmDataLayer) {
417 if (l1 == getActiveLayer()) return -1;
418 if (l2 == getActiveLayer()) return 1;
419 return Integer.valueOf(layers.indexOf(l1)).compareTo(layers.indexOf(l2));
420 } else
421 return Integer.valueOf(layers.indexOf(l1)).compareTo(layers.indexOf(l2));
422 }
423 }
424 );
425 Collections.reverse(ret);
426 return ret;
427 }
428
429 /**
430 * Draw the component.
431 */
432 @Override public void paint(Graphics g) {
433 if (center == null)
434 return; // no data loaded yet.
435
436 // re-create offscreen-buffer if we've been resized, otherwise
437 // just re-use it.
438 if (null == offscreenBuffer || offscreenBuffer.getWidth() != getWidth()
439 || offscreenBuffer.getHeight() != getHeight()) {
440 offscreenBuffer = new BufferedImage(getWidth(), getHeight(),
441 BufferedImage.TYPE_INT_ARGB);
442 }
443
444 Graphics2D tempG = offscreenBuffer.createGraphics();
445 tempG.setClip(g.getClip());
446 tempG.setColor(Main.pref.getColor("background", Color.BLACK));
447 tempG.fillRect(0, 0, getWidth(), getHeight());
448
449 Bounds box = getLatLonBounds(g.getClipBounds());
450
451 for (Layer l: getVisibleLayersInZOrder()) {
452 l.paint(tempG, this, box);
453 }
454 for (MapViewPaintable mvp : temporaryLayers) {
455 mvp.paint(tempG, this, box);
456 }
457
458 // draw world borders
459 tempG.setColor(Color.WHITE);
460 Bounds b = getProjection().getWorldBoundsLatLon();
461 double lat = b.getMin().lat();
462 double lon = b.getMin().lon();
463
464 Point p = getPoint(b.getMin());
465
466 GeneralPath path = new GeneralPath();
467
468 path.moveTo(p.x, p.y);
469 double max = b.getMax().lat();
470 for(; lat <= max; lat += 1.0)
471 {
472 p = getPoint(new LatLon(lat >= max ? max : lat, lon));
473 path.lineTo(p.x, p.y);
474 }
475 lat = max; max = b.getMax().lon();
476 for(; lon <= max; lon += 1.0)
477 {
478 p = getPoint(new LatLon(lat, lon >= max ? max : lon));
479 path.lineTo(p.x, p.y);
480 }
481 lon = max; max = b.getMin().lat();
482 for(; lat >= max; lat -= 1.0)
483 {
484 p = getPoint(new LatLon(lat <= max ? max : lat, lon));
485 path.lineTo(p.x, p.y);
486 }
487 lat = max; max = b.getMin().lon();
488 for(; lon >= max; lon -= 1.0)
489 {
490 p = getPoint(new LatLon(lat, lon <= max ? max : lon));
491 path.lineTo(p.x, p.y);
492 }
493
494 int w = offscreenBuffer.getWidth();
495 int h = offscreenBuffer.getHeight();
496
497 // Work around OpenJDK having problems when drawing out of bounds
498 final Area border = new Area(path);
499 // Make the viewport 1px larger in every direction to prevent an
500 // additional 1px border when zooming in
501 final Area viewport = new Area(new Rectangle(-1, -1, w + 2, h + 2));
502 border.intersect(viewport);
503 tempG.draw(border);
504
505 if (playHeadMarker != null) {
506 playHeadMarker.paint(tempG, this);
507 }
508
509 g.drawImage(offscreenBuffer, 0, 0, null);
510 super.paint(g);
511 }
512
513 /**
514 * Set the new dimension to the view.
515 */
516 public void recalculateCenterScale(BoundingXYVisitor box) {
517 if (box == null) {
518 box = new BoundingXYVisitor();
519 }
520 if (box.getBounds() == null) {
521 box.visit(getProjection().getWorldBoundsLatLon());
522 }
523 if (!box.hasExtend()) {
524 box.enlargeBoundingBox();
525 }
526
527 zoomTo(box.getBounds());
528 }
529
530 /**
531 * @return An unmodifiable collection of all layers
532 */
533 public Collection<Layer> getAllLayers() {
534 return Collections.unmodifiableCollection(layers);
535 }
536
537 /**
538 * @return An unmodifiable ordered list of all layers
539 */
540 public List<Layer> getAllLayersAsList() {
541 return Collections.unmodifiableList(layers);
542 }
543
544 /**
545 * Replies an unmodifiable list of layers of a certain type.
546 *
547 * Example:
548 * <pre>
549 * List<WMSLayer> wmsLayers = getLayersOfType(WMSLayer.class);
550 * </pre>
551 *
552 * @return an unmodifiable list of layers of a certain type.
553 */
554 public <T> List<T> getLayersOfType(Class<T> ofType) {
555 ArrayList<T> ret = new ArrayList<T>();
556 for (Layer layer : getAllLayersAsList()) {
557 if (ofType.isInstance(layer)) {
558 ret.add(ofType.cast(layer));
559 }
560 }
561 return ret;
562 }
563
564 /**
565 * Replies the number of layers managed by this mav view
566 *
567 * @return the number of layers managed by this mav view
568 */
569 public int getNumLayers() {
570 return layers.size();
571 }
572
573 /**
574 * Replies true if there is at least one layer in this map view
575 *
576 * @return true if there is at least one layer in this map view
577 */
578 public boolean hasLayers() {
579 return getNumLayers() > 0;
580 }
581
582 private void setEditLayer() {
583 OsmDataLayer newEditLayer = null;
584 OsmDataLayer oldEditLayer = editLayer;
585
586 // Find new edit layer
587 if (activeLayer != editLayer) {
588 if (activeLayer instanceof OsmDataLayer) {
589 newEditLayer = (OsmDataLayer) activeLayer;
590 } else {
591 for (Layer layer:layers) {
592 if (layer instanceof OsmDataLayer) {
593 newEditLayer = (OsmDataLayer) layer;
594 break;
595 }
596 }
597 }
598 }
599
600 // Set new edit layer
601 if (newEditLayer != editLayer) {
602 if (newEditLayer == null) {
603 getCurrentDataSet().setSelected();
604 }
605
606 editLayer = newEditLayer;
607 fireEditLayerChanged(oldEditLayer, newEditLayer);
608 refreshTitle();
609 }
610
611 }
612
613 /**
614 * Sets the active layer to <code>layer</code>. If <code>layer</code> is an instance
615 * of {@see OsmDataLayer} also sets {@see #editLayer} to <code>layer</code>.
616 *
617 * @param layer the layer to be activate; must be one of the layers in the list of layers
618 * @exception IllegalArgumentException thrown if layer is not in the lis of layers
619 */
620 public void setActiveLayer(Layer layer) {
621 if (layer != null && !layers.contains(layer))
622 throw new IllegalArgumentException(tr("Layer ''{0}'' must be in list of layers", layer.toString()));
623
624 if (layer == activeLayer)
625 return;
626
627 Layer old = activeLayer;
628 activeLayer = layer;
629 setEditLayer();
630 fireActiveLayerChanged(old, layer);
631
632 /* This only makes the buttons look disabled. Disabling the actions as well requires
633 * the user to re-select the tool after i.e. moving a layer. While testing I found
634 * that I switch layers and actions at the same time and it was annoying to mind the
635 * order. This way it works as visual clue for new users */
636 for (Enumeration<AbstractButton> e = Main.map.toolGroup.getElements() ; e.hasMoreElements() ;) {
637 AbstractButton x=e.nextElement();
638 x.setEnabled(((MapMode)x.getAction()).layerIsSupported(layer));
639 }
640 AudioPlayer.reset();
641 repaint();
642 }
643
644 /**
645 * Replies the currently active layer
646 *
647 * @return the currently active layer (may be null)
648 */
649 public Layer getActiveLayer() {
650 return activeLayer;
651 }
652
653 /**
654 * Replies the current edit layer, if any
655 *
656 * @return the current edit layer. May be null.
657 */
658 public OsmDataLayer getEditLayer() {
659 return editLayer;
660 }
661
662 /**
663 * replies true if the list of layers managed by this map view contain layer
664 *
665 * @param layer the layer
666 * @return true if the list of layers managed by this map view contain layer
667 */
668 public boolean hasLayer(Layer layer) {
669 return layers.contains(layer);
670 }
671
672 /**
673 * Tries to zoom to the download boundingbox[es] of the current edit layer
674 * (aka {@link OsmDataLayer}). If the edit layer has multiple download bounding
675 * boxes it zooms to a large virtual bounding box containing all smaller ones.
676 * This implementation can be used for resolving ticket #1461.
677 *
678 * @return <code>true</code> if a zoom operation has been performed
679 */
680 public boolean zoomToEditLayerBoundingBox() {
681 // workaround for #1461 (zoom to download bounding box instead of all data)
682 // In case we already have an existing data layer ...
683 OsmDataLayer layer= getEditLayer();
684 if (layer == null)
685 return false;
686 Collection<DataSource> dataSources = layer.data.dataSources;
687 // ... with bounding box[es] of data loaded from OSM or a file...
688 BoundingXYVisitor bbox = new BoundingXYVisitor();
689 for (DataSource ds : dataSources) {
690 bbox.visit(ds.bounds);
691 if (bbox.hasExtend()) {
692 // ... we zoom to it's bounding box
693 recalculateCenterScale(bbox);
694 return true;
695 }
696 }
697 return false;
698 }
699
700 public boolean addTemporaryLayer(MapViewPaintable mvp) {
701 if (temporaryLayers.contains(mvp)) return false;
702 return temporaryLayers.add(mvp);
703 }
704
705 public boolean removeTemporaryLayer(MapViewPaintable mvp) {
706 return temporaryLayers.remove(mvp);
707 }
708
709 public void propertyChange(PropertyChangeEvent evt) {
710 if (evt.getPropertyName().equals(Layer.VISIBLE_PROP)) {
711 repaint();
712 } else if (evt.getPropertyName().equals(OsmDataLayer.REQUIRES_SAVE_TO_DISK_PROP)
713 || evt.getPropertyName().equals(OsmDataLayer.REQUIRES_UPLOAD_TO_SERVER_PROP)) {
714 OsmDataLayer layer = (OsmDataLayer)evt.getSource();
715 if (layer == getEditLayer()) {
716 refreshTitle();
717 }
718 }
719 }
720
721 protected void refreshTitle() {
722 boolean dirty = editLayer != null && (editLayer.requiresSaveToFile() || editLayer.requiresUploadToServer());
723 if (dirty) {
724 JOptionPane.getFrameForComponent(Main.parent).setTitle("* " + tr("Java OpenStreetMap Editor"));
725 } else {
726 JOptionPane.getFrameForComponent(Main.parent).setTitle(tr("Java OpenStreetMap Editor"));
727 }
728 }
729
730}
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