source: josm/trunk/src/org/openstreetmap/josm/gui/MapView.java@ 2683

Last change on this file since 2683 was 2668, checked in by jttt, 14 years ago

Fixed #4207 getCurrentDataSet() returns null after adding new layers (then null pointers exceptions); fixed drawing ways with real width
  • 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
104 /**
105 * Adds a layer change listener
106 *
107 * @param listener the listener. Ignored if null or already registered.
108 */
109 public static void addLayerChangeListener(MapView.LayerChangeListener listener) {
110 if (listener != null) {
111 layerChangeListeners.addIfAbsent(listener);
112 }
113 }
114
115 public static void addEditLayerChangeListener(EditLayerChangeListener listener) {
116 if (listener != null) {
117 editLayerChangeListeners.addIfAbsent(listener);
118 }
119 }
120
121 protected static void fireActiveLayerChanged(Layer oldLayer, Layer newLayer) {
122 for (LayerChangeListener l : layerChangeListeners) {
123 l.activeLayerChange(oldLayer, newLayer);
124 }
125 }
126
127 protected static void fireLayerAdded(Layer newLayer) {
128 for (MapView.LayerChangeListener l : MapView.layerChangeListeners) {
129 l.layerAdded(newLayer);
130 }
131 }
132
133 protected static void fireLayerRemoved(Layer layer) {
134 for (MapView.LayerChangeListener l : MapView.layerChangeListeners) {
135 l.layerRemoved(layer);
136 }
137 }
138
139 protected static void fireEditLayerChanged(OsmDataLayer oldLayer, OsmDataLayer newLayer) {
140 for (EditLayerChangeListener l : editLayerChangeListeners) {
141 l.editLayerChanged(oldLayer, newLayer);
142 }
143 }
144
145 /**
146 * A list of all layers currently loaded.
147 */
148 private ArrayList<Layer> layers = new ArrayList<Layer>();
149 /**
150 * The play head marker: there is only one of these so it isn't in any specific layer
151 */
152 public PlayHeadMarker playHeadMarker = null;
153
154 /**
155 * The layer from the layers list that is currently active.
156 */
157 private Layer activeLayer;
158
159 private OsmDataLayer editLayer;
160
161 /**
162 * The last event performed by mouse.
163 */
164 public MouseEvent lastMEvent;
165
166 private LinkedList<MapViewPaintable> temporaryLayers = new LinkedList<MapViewPaintable>();
167
168 private BufferedImage offscreenBuffer;
169
170 public MapView() {
171 addComponentListener(new ComponentAdapter(){
172 @Override public void componentResized(ComponentEvent e) {
173 removeComponentListener(this);
174
175 MapSlider zoomSlider = new MapSlider(MapView.this);
176 add(zoomSlider);
177 zoomSlider.setBounds(3, 0, 114, 30);
178
179 MapScaler scaler = new MapScaler(MapView.this);
180 add(scaler);
181 scaler.setLocation(10,30);
182
183 if (!zoomToEditLayerBoundingBox()) {
184 new AutoScaleAction("data").actionPerformed(null);
185 }
186
187 new MapMover(MapView.this, Main.contentPane);
188 JosmAction mv;
189 mv = new MoveAction(MoveAction.Direction.UP);
190 if (mv.getShortcut() != null) {
191 Main.contentPane.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(mv.getShortcut().getKeyStroke(), "UP");
192 Main.contentPane.getActionMap().put("UP", mv);
193 }
194 mv = new MoveAction(MoveAction.Direction.DOWN);
195 if (mv.getShortcut() != null) {
196 Main.contentPane.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(mv.getShortcut().getKeyStroke(), "DOWN");
197 Main.contentPane.getActionMap().put("DOWN", mv);
198 }
199 mv = new MoveAction(MoveAction.Direction.LEFT);
200 if (mv.getShortcut() != null) {
201 Main.contentPane.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(mv.getShortcut().getKeyStroke(), "LEFT");
202 Main.contentPane.getActionMap().put("LEFT", mv);
203 }
204 mv = new MoveAction(MoveAction.Direction.RIGHT);
205 if (mv.getShortcut() != null) {
206 Main.contentPane.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(mv.getShortcut().getKeyStroke(), "RIGHT");
207 Main.contentPane.getActionMap().put("RIGHT", mv);
208 }
209 }
210 });
211
212 // listend to selection changes to redraw the map
213 DataSet.selListeners.add(new SelectionChangedListener(){
214 public void selectionChanged(Collection<? extends OsmPrimitive> newSelection) {
215 repaint();
216 }
217 });
218
219 //store the last mouse action
220 this.addMouseMotionListener(new MouseMotionListener() {
221 public void mouseDragged(MouseEvent e) {
222 mouseMoved(e);
223 }
224 public void mouseMoved(MouseEvent e) {
225 lastMEvent = e;
226 }
227 });
228 }
229
230 /**
231 * Adds a GPX layer. A GPX layer is added below the lowest data layer.
232 *
233 * @param layer the GPX layer
234 */
235 protected void addGpxLayer(GpxLayer layer) {
236 if (layers.isEmpty()) {
237 layers.add(layer);
238 return;
239 }
240 for (int i=layers.size()-1; i>= 0; i--) {
241 if (layers.get(i) instanceof OsmDataLayer) {
242 if (i == layers.size()-1) {
243 layers.add(layer);
244 } else {
245 layers.add(i+1, layer);
246 }
247 return;
248 }
249 }
250 layers.add(layer);
251 }
252
253 /**
254 * Add a layer to the current MapView. The layer will be added at topmost
255 * position.
256 */
257 public void addLayer(Layer layer) {
258 if (layer instanceof MarkerLayer && playHeadMarker == null) {
259 playHeadMarker = PlayHeadMarker.create();
260 }
261
262 if (layer instanceof GpxLayer) {
263 addGpxLayer((GpxLayer)layer);
264 } else if (layer.isBackgroundLayer() || layers.isEmpty()) {
265 layers.add(layer);
266 } else {
267 layers.add(0, layer);
268 }
269 fireLayerAdded(layer);
270 if (layer instanceof OsmDataLayer || activeLayer == null) {
271 // autoselect the new layer
272 setActiveLayer(layer);
273 }
274 layer.addPropertyChangeListener(this);
275 AudioPlayer.reset();
276 repaint();
277 }
278
279 @Override
280 protected DataSet getCurrentDataSet() {
281 if (editLayer != null)
282 return editLayer.data;
283 else
284 return null;
285 }
286
287 /**
288 * Replies true if the active layer is drawable.
289 *
290 * @return true if the active layer is drawable, false otherwise
291 */
292 public boolean isActiveLayerDrawable() {
293 return editLayer != null;
294 }
295
296 /**
297 * Replies true if the active layer is visible.
298 *
299 * @return true if the active layer is visible, false otherwise
300 */
301 public boolean isActiveLayerVisible() {
302 return isActiveLayerDrawable() && editLayer.isVisible();
303 }
304
305
306 /**
307 * Determines the next active data layer according to the following
308 * rules:
309 * <ul>
310 * <li>if there is at least one {@see OsmDataLayer} the first one
311 * becomes active</li>
312 * <li>otherwise, the top most layer of any type becomes active</li>
313 * </ul>
314 *
315 * @return the next active data layer
316 */
317 protected Layer determineNextActiveLayer(Layer ignoredLayer) {
318 // First look for data layer
319 for (Layer layer:layers) {
320 if (layer instanceof OsmDataLayer && layer != ignoredLayer)
321 return layer;
322 }
323
324 // Then any layer
325 for (Layer layer:layers) {
326 if (layer != ignoredLayer)
327 return layer;
328 }
329
330 // and then give up
331 return null;
332
333 }
334
335 /**
336 * Remove the layer from the mapview. If the layer was in the list before,
337 * an LayerChange event is fired.
338 */
339 public void removeLayer(Layer layer) {
340 if (layer == activeLayer) {
341 setActiveLayer(determineNextActiveLayer(activeLayer));
342 }
343 if (layers.remove(layer)) {
344 fireLayerRemoved(layer);
345 }
346 layer.removePropertyChangeListener(this);
347 layer.destroy();
348 AudioPlayer.reset();
349 repaint();
350 }
351
352 private boolean virtualNodesEnabled = false;
353
354 public void setVirtualNodesEnabled(boolean enabled) {
355 if(virtualNodesEnabled != enabled) {
356 virtualNodesEnabled = enabled;
357 repaint();
358 }
359 }
360 public boolean isVirtualNodesEnabled() {
361 return virtualNodesEnabled;
362 }
363
364 /**
365 * Moves the layer to the given new position. No event is fired, but repaints
366 * according to the new Z-Order of the layers.
367 *
368 * @param layer The layer to move
369 * @param pos The new position of the layer
370 */
371 public void moveLayer(Layer layer, int pos) {
372 int curLayerPos = layers.indexOf(layer);
373 if (curLayerPos == -1)
374 throw new IllegalArgumentException(tr("Layer not in list."));
375 if (pos == curLayerPos)
376 return; // already in place.
377 layers.remove(curLayerPos);
378 if (pos >= layers.size()) {
379 layers.add(layer);
380 } else {
381 layers.add(pos, layer);
382 }
383 setEditLayer();
384 AudioPlayer.reset();
385 repaint();
386 }
387
388 public int getLayerPos(Layer layer) {
389 int curLayerPos = layers.indexOf(layer);
390 if (curLayerPos == -1)
391 throw new IllegalArgumentException(tr("Layer not in list."));
392 return curLayerPos;
393 }
394
395 /**
396 * Creates a list of the visible layers in Z-Order, the layer with the lowest Z-Order
397 * first, layer with the highest Z-Order last.
398 *
399 * @return a list of the visible in Z-Order, the layer with the lowest Z-Order
400 * first, layer with the highest Z-Order last.
401 */
402 protected List<Layer> getVisibleLayersInZOrder() {
403 ArrayList<Layer> ret = new ArrayList<Layer>();
404 for (Layer l: layers) {
405 if (l.isVisible()) {
406 ret.add(l);
407 }
408 }
409 // sort according to position in the list of layers, with one exception:
410 // an active data layer always becomes a higher Z-Order than all other
411 // data layers
412 //
413 Collections.sort(
414 ret,
415 new Comparator<Layer>() {
416 public int compare(Layer l1, Layer l2) {
417 if (l1 instanceof OsmDataLayer && l2 instanceof OsmDataLayer) {
418 if (l1 == getActiveLayer()) return -1;
419 if (l2 == getActiveLayer()) return 1;
420 return Integer.valueOf(layers.indexOf(l1)).compareTo(layers.indexOf(l2));
421 } else
422 return Integer.valueOf(layers.indexOf(l1)).compareTo(layers.indexOf(l2));
423 }
424 }
425 );
426 Collections.reverse(ret);
427 return ret;
428 }
429
430 /**
431 * Draw the component.
432 */
433 @Override public void paint(Graphics g) {
434 if (center == null)
435 return; // no data loaded yet.
436
437 // re-create offscreen-buffer if we've been resized, otherwise
438 // just re-use it.
439 if (null == offscreenBuffer || offscreenBuffer.getWidth() != getWidth()
440 || offscreenBuffer.getHeight() != getHeight()) {
441 offscreenBuffer = new BufferedImage(getWidth(), getHeight(),
442 BufferedImage.TYPE_INT_ARGB);
443 }
444
445 Graphics2D tempG = offscreenBuffer.createGraphics();
446 tempG.setClip(g.getClip());
447 tempG.setColor(PaintColors.BACKGROUND.get());
448 tempG.fillRect(0, 0, getWidth(), getHeight());
449
450 Bounds box = getLatLonBounds(g.getClipBounds());
451
452 for (Layer l: getVisibleLayersInZOrder()) {
453 l.paint(tempG, this, box);
454 }
455 for (MapViewPaintable mvp : temporaryLayers) {
456 mvp.paint(tempG, this, box);
457 }
458
459 // draw world borders
460 tempG.setColor(Color.WHITE);
461 Bounds b = getProjection().getWorldBoundsLatLon();
462 double lat = b.getMin().lat();
463 double lon = b.getMin().lon();
464
465 Point p = getPoint(b.getMin());
466
467 GeneralPath path = new GeneralPath();
468
469 path.moveTo(p.x, p.y);
470 double max = b.getMax().lat();
471 for(; lat <= max; lat += 1.0)
472 {
473 p = getPoint(new LatLon(lat >= max ? max : lat, lon));
474 path.lineTo(p.x, p.y);
475 }
476 lat = max; max = b.getMax().lon();
477 for(; lon <= max; lon += 1.0)
478 {
479 p = getPoint(new LatLon(lat, lon >= max ? max : lon));
480 path.lineTo(p.x, p.y);
481 }
482 lon = max; max = b.getMin().lat();
483 for(; lat >= max; lat -= 1.0)
484 {
485 p = getPoint(new LatLon(lat <= max ? max : lat, lon));
486 path.lineTo(p.x, p.y);
487 }
488 lat = max; max = b.getMin().lon();
489 for(; lon >= max; lon -= 1.0)
490 {
491 p = getPoint(new LatLon(lat, lon <= max ? max : lon));
492 path.lineTo(p.x, p.y);
493 }
494
495 int w = offscreenBuffer.getWidth();
496 int h = offscreenBuffer.getHeight();
497
498 // Work around OpenJDK having problems when drawing out of bounds
499 final Area border = new Area(path);
500 // Make the viewport 1px larger in every direction to prevent an
501 // additional 1px border when zooming in
502 final Area viewport = new Area(new Rectangle(-1, -1, w + 2, h + 2));
503 border.intersect(viewport);
504 tempG.draw(border);
505
506 if (playHeadMarker != null) {
507 playHeadMarker.paint(tempG, this);
508 }
509
510 g.drawImage(offscreenBuffer, 0, 0, null);
511 super.paint(g);
512 }
513
514 /**
515 * Set the new dimension to the view.
516 */
517 public void recalculateCenterScale(BoundingXYVisitor box) {
518 if (box == null) {
519 box = new BoundingXYVisitor();
520 }
521 if (box.getBounds() == null) {
522 box.visit(getProjection().getWorldBoundsLatLon());
523 }
524 if (!box.hasExtend()) {
525 box.enlargeBoundingBox();
526 }
527
528 zoomTo(box.getBounds());
529 }
530
531 /**
532 * @return An unmodifiable collection of all layers
533 */
534 public Collection<Layer> getAllLayers() {
535 return Collections.unmodifiableCollection(layers);
536 }
537
538 /**
539 * @return An unmodifiable ordered list of all layers
540 */
541 public List<Layer> getAllLayersAsList() {
542 return Collections.unmodifiableList(layers);
543 }
544
545 /**
546 * Replies an unmodifiable list of layers of a certain type.
547 *
548 * Example:
549 * <pre>
550 * List<WMSLayer> wmsLayers = getLayersOfType(WMSLayer.class);
551 * </pre>
552 *
553 * @return an unmodifiable list of layers of a certain type.
554 */
555 public <T> List<T> getLayersOfType(Class<T> ofType) {
556 ArrayList<T> ret = new ArrayList<T>();
557 for (Layer layer : getAllLayersAsList()) {
558 if (ofType.isInstance(layer)) {
559 ret.add(ofType.cast(layer));
560 }
561 }
562 return ret;
563 }
564
565 /**
566 * Replies the number of layers managed by this mav view
567 *
568 * @return the number of layers managed by this mav view
569 */
570 public int getNumLayers() {
571 return layers.size();
572 }
573
574 /**
575 * Replies true if there is at least one layer in this map view
576 *
577 * @return true if there is at least one layer in this map view
578 */
579 public boolean hasLayers() {
580 return getNumLayers() > 0;
581 }
582
583 private void setEditLayer() {
584 OsmDataLayer newEditLayer = editLayer;
585 OsmDataLayer oldEditLayer = editLayer;
586
587 // Find new edit layer
588 if (activeLayer != editLayer) {
589 if (activeLayer instanceof OsmDataLayer) {
590 newEditLayer = (OsmDataLayer) activeLayer;
591 } else {
592 for (Layer layer:layers) {
593 if (layer instanceof OsmDataLayer) {
594 newEditLayer = (OsmDataLayer) layer;
595 break;
596 }
597 }
598 }
599 }
600
601 // Set new edit layer
602 if (newEditLayer != editLayer) {
603 if (newEditLayer == null) {
604 getCurrentDataSet().setSelected();
605 }
606
607 editLayer = newEditLayer;
608 fireEditLayerChanged(oldEditLayer, newEditLayer);
609 refreshTitle();
610 }
611
612 }
613
614 /**
615 * Sets the active layer to <code>layer</code>. If <code>layer</code> is an instance
616 * of {@see OsmDataLayer} also sets {@see #editLayer} to <code>layer</code>.
617 *
618 * @param layer the layer to be activate; must be one of the layers in the list of layers
619 * @exception IllegalArgumentException thrown if layer is not in the lis of layers
620 */
621 public void setActiveLayer(Layer layer) {
622 if (layer != null && !layers.contains(layer))
623 throw new IllegalArgumentException(tr("Layer ''{0}'' must be in list of layers", layer.toString()));
624
625 if (layer == activeLayer)
626 return;
627
628 Layer old = activeLayer;
629 activeLayer = layer;
630 setEditLayer();
631 fireActiveLayerChanged(old, layer);
632
633 /* This only makes the buttons look disabled. Disabling the actions as well requires
634 * the user to re-select the tool after i.e. moving a layer. While testing I found
635 * that I switch layers and actions at the same time and it was annoying to mind the
636 * order. This way it works as visual clue for new users */
637 for (Enumeration<AbstractButton> e = Main.map.toolGroup.getElements() ; e.hasMoreElements() ;) {
638 AbstractButton x=e.nextElement();
639 x.setEnabled(((MapMode)x.getAction()).layerIsSupported(layer));
640 }
641 AudioPlayer.reset();
642 repaint();
643 }
644
645 /**
646 * Replies the currently active layer
647 *
648 * @return the currently active layer (may be null)
649 */
650 public Layer getActiveLayer() {
651 return activeLayer;
652 }
653
654 /**
655 * Replies the current edit layer, if any
656 *
657 * @return the current edit layer. May be null.
658 */
659 public OsmDataLayer getEditLayer() {
660 return editLayer;
661 }
662
663 /**
664 * replies true if the list of layers managed by this map view contain layer
665 *
666 * @param layer the layer
667 * @return true if the list of layers managed by this map view contain layer
668 */
669 public boolean hasLayer(Layer layer) {
670 return layers.contains(layer);
671 }
672
673 /**
674 * Tries to zoom to the download boundingbox[es] of the current edit layer
675 * (aka {@link OsmDataLayer}). If the edit layer has multiple download bounding
676 * boxes it zooms to a large virtual bounding box containing all smaller ones.
677 * This implementation can be used for resolving ticket #1461.
678 *
679 * @return <code>true</code> if a zoom operation has been performed
680 */
681 public boolean zoomToEditLayerBoundingBox() {
682 // workaround for #1461 (zoom to download bounding box instead of all data)
683 // In case we already have an existing data layer ...
684 OsmDataLayer layer= getEditLayer();
685 if (layer == null)
686 return false;
687 Collection<DataSource> dataSources = layer.data.dataSources;
688 // ... with bounding box[es] of data loaded from OSM or a file...
689 BoundingXYVisitor bbox = new BoundingXYVisitor();
690 for (DataSource ds : dataSources) {
691 bbox.visit(ds.bounds);
692 if (bbox.hasExtend()) {
693 // ... we zoom to it's bounding box
694 recalculateCenterScale(bbox);
695 return true;
696 }
697 }
698 return false;
699 }
700
701 public boolean addTemporaryLayer(MapViewPaintable mvp) {
702 if (temporaryLayers.contains(mvp)) return false;
703 return temporaryLayers.add(mvp);
704 }
705
706 public boolean removeTemporaryLayer(MapViewPaintable mvp) {
707 return temporaryLayers.remove(mvp);
708 }
709
710 public void propertyChange(PropertyChangeEvent evt) {
711 if (evt.getPropertyName().equals(Layer.VISIBLE_PROP)) {
712 repaint();
713 } else if (evt.getPropertyName().equals(OsmDataLayer.REQUIRES_SAVE_TO_DISK_PROP)
714 || evt.getPropertyName().equals(OsmDataLayer.REQUIRES_UPLOAD_TO_SERVER_PROP)) {
715 OsmDataLayer layer = (OsmDataLayer)evt.getSource();
716 if (layer == getEditLayer()) {
717 refreshTitle();
718 }
719 }
720 }
721
722 protected void refreshTitle() {
723 boolean dirty = editLayer != null && (editLayer.requiresSaveToFile() || editLayer.requiresUploadToServer());
724 if (dirty) {
725 JOptionPane.getFrameForComponent(Main.parent).setTitle("* " + tr("Java OpenStreetMap Editor"));
726 } else {
727 JOptionPane.getFrameForComponent(Main.parent).setTitle(tr("Java OpenStreetMap Editor"));
728 }
729 }
730
731}
Note: See TracBrowser for help on using the repository browser.