source: josm/trunk/src/org/openstreetmap/josm/gui/MapView.java@ 2717

Last change on this file since 2717 was 2711, checked in by stoecker, 14 years ago

fix bad line endings
  • 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.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(Layer ignoredLayer) {
315 // First look for data layer
316 for (Layer layer:layers) {
317 if (layer instanceof OsmDataLayer && layer != ignoredLayer)
318 return layer;
319 }
320
321 // Then any layer
322 for (Layer layer:layers) {
323 if (layer != ignoredLayer)
324 return layer;
325 }
326
327 // and then give up
328 return null;
329
330 }
331
332 /**
333 * Remove the layer from the mapview. If the layer was in the list before,
334 * an LayerChange event is fired.
335 */
336 public void removeLayer(Layer layer) {
337 if (layer == activeLayer) {
338 setActiveLayer(determineNextActiveLayer(activeLayer));
339 }
340 if (layers.remove(layer)) {
341 fireLayerRemoved(layer);
342 }
343 layer.removePropertyChangeListener(this);
344 layer.destroy();
345 AudioPlayer.reset();
346 repaint();
347 }
348
349 private boolean virtualNodesEnabled = false;
350
351 public void setVirtualNodesEnabled(boolean enabled) {
352 if(virtualNodesEnabled != enabled) {
353 virtualNodesEnabled = enabled;
354 repaint();
355 }
356 }
357 public boolean isVirtualNodesEnabled() {
358 return virtualNodesEnabled;
359 }
360
361 /**
362 * Moves the layer to the given new position. No event is fired, but repaints
363 * according to the new Z-Order of the layers.
364 *
365 * @param layer The layer to move
366 * @param pos The new position of the layer
367 */
368 public void moveLayer(Layer layer, int pos) {
369 int curLayerPos = layers.indexOf(layer);
370 if (curLayerPos == -1)
371 throw new IllegalArgumentException(tr("Layer not in list."));
372 if (pos == curLayerPos)
373 return; // already in place.
374 layers.remove(curLayerPos);
375 if (pos >= layers.size()) {
376 layers.add(layer);
377 } else {
378 layers.add(pos, layer);
379 }
380 setEditLayer();
381 AudioPlayer.reset();
382 repaint();
383 }
384
385 public int getLayerPos(Layer layer) {
386 int curLayerPos = layers.indexOf(layer);
387 if (curLayerPos == -1)
388 throw new IllegalArgumentException(tr("Layer not in list."));
389 return curLayerPos;
390 }
391
392 /**
393 * Creates a list of the visible layers in Z-Order, the layer with the lowest Z-Order
394 * first, layer with the highest Z-Order last.
395 *
396 * @return a list of the visible in Z-Order, the layer with the lowest Z-Order
397 * first, layer with the highest Z-Order last.
398 */
399 protected List<Layer> getVisibleLayersInZOrder() {
400 ArrayList<Layer> ret = new ArrayList<Layer>();
401 for (Layer l: layers) {
402 if (l.isVisible()) {
403 ret.add(l);
404 }
405 }
406 // sort according to position in the list of layers, with one exception:
407 // an active data layer always becomes a higher Z-Order than all other
408 // data layers
409 //
410 Collections.sort(
411 ret,
412 new Comparator<Layer>() {
413 public int compare(Layer l1, Layer l2) {
414 if (l1 instanceof OsmDataLayer && l2 instanceof OsmDataLayer) {
415 if (l1 == getActiveLayer()) return -1;
416 if (l2 == getActiveLayer()) return 1;
417 return Integer.valueOf(layers.indexOf(l1)).compareTo(layers.indexOf(l2));
418 } else
419 return Integer.valueOf(layers.indexOf(l1)).compareTo(layers.indexOf(l2));
420 }
421 }
422 );
423 Collections.reverse(ret);
424 return ret;
425 }
426
427 /**
428 * Draw the component.
429 */
430 @Override public void paint(Graphics g) {
431 if (center == null)
432 return; // no data loaded yet.
433
434 // re-create offscreen-buffer if we've been resized, otherwise
435 // just re-use it.
436 if (null == offscreenBuffer || offscreenBuffer.getWidth() != getWidth()
437 || offscreenBuffer.getHeight() != getHeight()) {
438 offscreenBuffer = new BufferedImage(getWidth(), getHeight(),
439 BufferedImage.TYPE_INT_ARGB);
440 }
441
442 Graphics2D tempG = offscreenBuffer.createGraphics();
443 tempG.setClip(g.getClip());
444 tempG.setColor(PaintColors.BACKGROUND.get());
445 tempG.fillRect(0, 0, getWidth(), getHeight());
446
447 Bounds box = getLatLonBounds(g.getClipBounds());
448
449 for (Layer l: getVisibleLayersInZOrder()) {
450 l.paint(tempG, this, box);
451 }
452 for (MapViewPaintable mvp : temporaryLayers) {
453 mvp.paint(tempG, this, box);
454 }
455
456 // draw world borders
457 tempG.setColor(Color.WHITE);
458 Bounds b = getProjection().getWorldBoundsLatLon();
459 double lat = b.getMin().lat();
460 double lon = b.getMin().lon();
461
462 Point p = getPoint(b.getMin());
463
464 GeneralPath path = new GeneralPath();
465
466 path.moveTo(p.x, p.y);
467 double max = b.getMax().lat();
468 for(; lat <= max; lat += 1.0)
469 {
470 p = getPoint(new LatLon(lat >= max ? max : lat, lon));
471 path.lineTo(p.x, p.y);
472 }
473 lat = max; max = b.getMax().lon();
474 for(; lon <= max; lon += 1.0)
475 {
476 p = getPoint(new LatLon(lat, lon >= max ? max : lon));
477 path.lineTo(p.x, p.y);
478 }
479 lon = max; max = b.getMin().lat();
480 for(; lat >= max; lat -= 1.0)
481 {
482 p = getPoint(new LatLon(lat <= max ? max : lat, lon));
483 path.lineTo(p.x, p.y);
484 }
485 lat = max; max = b.getMin().lon();
486 for(; lon >= max; lon -= 1.0)
487 {
488 p = getPoint(new LatLon(lat, lon <= max ? max : lon));
489 path.lineTo(p.x, p.y);
490 }
491
492 int w = offscreenBuffer.getWidth();
493 int h = offscreenBuffer.getHeight();
494
495 // Work around OpenJDK having problems when drawing out of bounds
496 final Area border = new Area(path);
497 // Make the viewport 1px larger in every direction to prevent an
498 // additional 1px border when zooming in
499 final Area viewport = new Area(new Rectangle(-1, -1, w + 2, h + 2));
500 border.intersect(viewport);
501 tempG.draw(border);
502
503 if (playHeadMarker != null) {
504 playHeadMarker.paint(tempG, this);
505 }
506
507 g.drawImage(offscreenBuffer, 0, 0, null);
508 super.paint(g);
509 }
510
511 /**
512 * Set the new dimension to the view.
513 */
514 public void recalculateCenterScale(BoundingXYVisitor box) {
515 if (box == null) {
516 box = new BoundingXYVisitor();
517 }
518 if (box.getBounds() == null) {
519 box.visit(getProjection().getWorldBoundsLatLon());
520 }
521 if (!box.hasExtend()) {
522 box.enlargeBoundingBox();
523 }
524
525 zoomTo(box.getBounds());
526 }
527
528 /**
529 * @return An unmodifiable collection of all layers
530 */
531 public Collection<Layer> getAllLayers() {
532 return Collections.unmodifiableCollection(layers);
533 }
534
535 /**
536 * @return An unmodifiable ordered list of all layers
537 */
538 public List<Layer> getAllLayersAsList() {
539 return Collections.unmodifiableList(layers);
540 }
541
542 /**
543 * Replies an unmodifiable list of layers of a certain type.
544 *
545 * Example:
546 * <pre>
547 * List<WMSLayer> wmsLayers = getLayersOfType(WMSLayer.class);
548 * </pre>
549 *
550 * @return an unmodifiable list of layers of a certain type.
551 */
552 public <T> List<T> getLayersOfType(Class<T> ofType) {
553 ArrayList<T> ret = new ArrayList<T>();
554 for (Layer layer : getAllLayersAsList()) {
555 if (ofType.isInstance(layer)) {
556 ret.add(ofType.cast(layer));
557 }
558 }
559 return ret;
560 }
561
562 /**
563 * Replies the number of layers managed by this mav view
564 *
565 * @return the number of layers managed by this mav view
566 */
567 public int getNumLayers() {
568 return layers.size();
569 }
570
571 /**
572 * Replies true if there is at least one layer in this map view
573 *
574 * @return true if there is at least one layer in this map view
575 */
576 public boolean hasLayers() {
577 return getNumLayers() > 0;
578 }
579
580 private void setEditLayer() {
581 OsmDataLayer newEditLayer = editLayer;
582 OsmDataLayer oldEditLayer = editLayer;
583
584 // Find new edit layer
585 if (activeLayer != editLayer) {
586 if (activeLayer instanceof OsmDataLayer) {
587 newEditLayer = (OsmDataLayer) activeLayer;
588 } else {
589 for (Layer layer:layers) {
590 if (layer instanceof OsmDataLayer) {
591 newEditLayer = (OsmDataLayer) layer;
592 break;
593 }
594 }
595 }
596 }
597
598 // Set new edit layer
599 if (newEditLayer != editLayer) {
600 if (newEditLayer == null) {
601 getCurrentDataSet().setSelected();
602 }
603
604 editLayer = newEditLayer;
605 fireEditLayerChanged(oldEditLayer, newEditLayer);
606 refreshTitle();
607 }
608
609 }
610
611 /**
612 * Sets the active layer to <code>layer</code>. If <code>layer</code> is an instance
613 * of {@see OsmDataLayer} also sets {@see #editLayer} to <code>layer</code>.
614 *
615 * @param layer the layer to be activate; must be one of the layers in the list of layers
616 * @exception IllegalArgumentException thrown if layer is not in the lis of layers
617 */
618 public void setActiveLayer(Layer layer) {
619 if (layer != null && !layers.contains(layer))
620 throw new IllegalArgumentException(tr("Layer ''{0}'' must be in list of layers", layer.toString()));
621
622 if (layer == activeLayer)
623 return;
624
625 Layer old = activeLayer;
626 activeLayer = layer;
627 setEditLayer();
628 fireActiveLayerChanged(old, layer);
629
630 /* This only makes the buttons look disabled. Disabling the actions as well requires
631 * the user to re-select the tool after i.e. moving a layer. While testing I found
632 * that I switch layers and actions at the same time and it was annoying to mind the
633 * order. This way it works as visual clue for new users */
634 for (Enumeration<AbstractButton> e = Main.map.toolGroup.getElements() ; e.hasMoreElements() ;) {
635 AbstractButton x=e.nextElement();
636 x.setEnabled(((MapMode)x.getAction()).layerIsSupported(layer));
637 }
638 AudioPlayer.reset();
639 repaint();
640 }
641
642 /**
643 * Replies the currently active layer
644 *
645 * @return the currently active layer (may be null)
646 */
647 public Layer getActiveLayer() {
648 return activeLayer;
649 }
650
651 /**
652 * Replies the current edit layer, if any
653 *
654 * @return the current edit layer. May be null.
655 */
656 public OsmDataLayer getEditLayer() {
657 return editLayer;
658 }
659
660 /**
661 * replies true if the list of layers managed by this map view contain layer
662 *
663 * @param layer the layer
664 * @return true if the list of layers managed by this map view contain layer
665 */
666 public boolean hasLayer(Layer layer) {
667 return layers.contains(layer);
668 }
669
670 /**
671 * Tries to zoom to the download boundingbox[es] of the current edit layer
672 * (aka {@link OsmDataLayer}). If the edit layer has multiple download bounding
673 * boxes it zooms to a large virtual bounding box containing all smaller ones.
674 * This implementation can be used for resolving ticket #1461.
675 *
676 * @return <code>true</code> if a zoom operation has been performed
677 */
678 public boolean zoomToEditLayerBoundingBox() {
679 // workaround for #1461 (zoom to download bounding box instead of all data)
680 // In case we already have an existing data layer ...
681 OsmDataLayer layer= getEditLayer();
682 if (layer == null)
683 return false;
684 Collection<DataSource> dataSources = layer.data.dataSources;
685 // ... with bounding box[es] of data loaded from OSM or a file...
686 BoundingXYVisitor bbox = new BoundingXYVisitor();
687 for (DataSource ds : dataSources) {
688 bbox.visit(ds.bounds);
689 if (bbox.hasExtend()) {
690 // ... we zoom to it's bounding box
691 recalculateCenterScale(bbox);
692 return true;
693 }
694 }
695 return false;
696 }
697
698 public boolean addTemporaryLayer(MapViewPaintable mvp) {
699 if (temporaryLayers.contains(mvp)) return false;
700 return temporaryLayers.add(mvp);
701 }
702
703 public boolean removeTemporaryLayer(MapViewPaintable mvp) {
704 return temporaryLayers.remove(mvp);
705 }
706
707 public void propertyChange(PropertyChangeEvent evt) {
708 if (evt.getPropertyName().equals(Layer.VISIBLE_PROP)) {
709 repaint();
710 } else if (evt.getPropertyName().equals(OsmDataLayer.REQUIRES_SAVE_TO_DISK_PROP)
711 || evt.getPropertyName().equals(OsmDataLayer.REQUIRES_UPLOAD_TO_SERVER_PROP)) {
712 OsmDataLayer layer = (OsmDataLayer)evt.getSource();
713 if (layer == getEditLayer()) {
714 refreshTitle();
715 }
716 }
717 }
718
719 protected void refreshTitle() {
720 boolean dirty = editLayer != null && (editLayer.requiresSaveToFile() || editLayer.requiresUploadToServer());
721 if (dirty) {
722 JOptionPane.getFrameForComponent(Main.parent).setTitle("* " + tr("Java OpenStreetMap Editor"));
723 } else {
724 JOptionPane.getFrameForComponent(Main.parent).setTitle(tr("Java OpenStreetMap Editor"));
725 }
726 }
727
728}
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