source: josm/trunk/src/org/openstreetmap/josm/gui/MapView.java@ 3105

Last change on this file since 3105 was 3078, checked in by bastiK, 14 years ago

fixed #4593 - conflict list and header not updated right away after undo/redo
  • Property svn:eol-style set to native
File size: 25.1 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 /**
114 * Adds a edit layer change listener
115 *
116 * @param listener the listener. Ignored if null or already registered.
117 * @param initialFire Fire an edit-layer-changed-event right after adding the listener.
118 */
119 public static void addEditLayerChangeListener(EditLayerChangeListener listener, boolean initialFire) {
120 addEditLayerChangeListener(listener);
121 if (initialFire) {
122 if (Main.map != null && Main.map.mapView != null && Main.map.mapView.getEditLayer() != null) {
123 fireEditLayerChanged(null, Main.map.mapView.getEditLayer());
124 }
125 }
126 }
127
128 public static void addEditLayerChangeListener(EditLayerChangeListener listener) {
129 if (listener != null) {
130 editLayerChangeListeners.addIfAbsent(listener);
131 }
132 }
133
134 protected static void fireActiveLayerChanged(Layer oldLayer, Layer newLayer) {
135 for (LayerChangeListener l : layerChangeListeners) {
136 l.activeLayerChange(oldLayer, newLayer);
137 }
138 }
139
140 protected static void fireLayerAdded(Layer newLayer) {
141 for (MapView.LayerChangeListener l : MapView.layerChangeListeners) {
142 l.layerAdded(newLayer);
143 }
144 }
145
146 protected static void fireLayerRemoved(Layer layer) {
147 for (MapView.LayerChangeListener l : MapView.layerChangeListeners) {
148 l.layerRemoved(layer);
149 }
150 }
151
152 protected static void fireEditLayerChanged(OsmDataLayer oldLayer, OsmDataLayer newLayer) {
153 for (EditLayerChangeListener l : editLayerChangeListeners) {
154 l.editLayerChanged(oldLayer, newLayer);
155 }
156 }
157
158 /**
159 * A list of all layers currently loaded.
160 */
161 private ArrayList<Layer> layers = new ArrayList<Layer>();
162 /**
163 * The play head marker: there is only one of these so it isn't in any specific layer
164 */
165 public PlayHeadMarker playHeadMarker = null;
166
167 /**
168 * The layer from the layers list that is currently active.
169 */
170 private Layer activeLayer;
171
172 private OsmDataLayer editLayer;
173
174 /**
175 * The last event performed by mouse.
176 */
177 public MouseEvent lastMEvent;
178
179 private LinkedList<MapViewPaintable> temporaryLayers = new LinkedList<MapViewPaintable>();
180
181 private BufferedImage offscreenBuffer;
182
183 public MapView() {
184 addComponentListener(new ComponentAdapter(){
185 @Override public void componentResized(ComponentEvent e) {
186 removeComponentListener(this);
187
188 MapSlider zoomSlider = new MapSlider(MapView.this);
189 add(zoomSlider);
190 zoomSlider.setBounds(3, 0, 114, 30);
191
192 MapScaler scaler = new MapScaler(MapView.this);
193 add(scaler);
194 scaler.setLocation(10,30);
195
196 OsmDataLayer layer = getEditLayer();
197 if (layer != null) {
198 if (!zoomToDataSetBoundingBox(layer.data)) {
199 // no bounding box defined
200 new AutoScaleAction("data").actionPerformed(null);
201 }
202 } else {
203 new AutoScaleAction("layer").actionPerformed(null);
204 }
205
206 new MapMover(MapView.this, Main.contentPane);
207 JosmAction mv;
208 mv = new MoveAction(MoveAction.Direction.UP);
209 if (mv.getShortcut() != null) {
210 Main.contentPane.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(mv.getShortcut().getKeyStroke(), "UP");
211 Main.contentPane.getActionMap().put("UP", mv);
212 }
213 mv = new MoveAction(MoveAction.Direction.DOWN);
214 if (mv.getShortcut() != null) {
215 Main.contentPane.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(mv.getShortcut().getKeyStroke(), "DOWN");
216 Main.contentPane.getActionMap().put("DOWN", mv);
217 }
218 mv = new MoveAction(MoveAction.Direction.LEFT);
219 if (mv.getShortcut() != null) {
220 Main.contentPane.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(mv.getShortcut().getKeyStroke(), "LEFT");
221 Main.contentPane.getActionMap().put("LEFT", mv);
222 }
223 mv = new MoveAction(MoveAction.Direction.RIGHT);
224 if (mv.getShortcut() != null) {
225 Main.contentPane.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(mv.getShortcut().getKeyStroke(), "RIGHT");
226 Main.contentPane.getActionMap().put("RIGHT", mv);
227 }
228 }
229 });
230
231 // listend to selection changes to redraw the map
232 DataSet.selListeners.add(new SelectionChangedListener(){
233 public void selectionChanged(Collection<? extends OsmPrimitive> newSelection) {
234 repaint();
235 }
236 });
237
238 //store the last mouse action
239 this.addMouseMotionListener(new MouseMotionListener() {
240 public void mouseDragged(MouseEvent e) {
241 mouseMoved(e);
242 }
243 public void mouseMoved(MouseEvent e) {
244 lastMEvent = e;
245 }
246 });
247 }
248
249 /**
250 * Adds a GPX layer. A GPX layer is added below the lowest data layer.
251 *
252 * @param layer the GPX layer
253 */
254 protected void addGpxLayer(GpxLayer layer) {
255 if (layers.isEmpty()) {
256 layers.add(layer);
257 return;
258 }
259 for (int i=layers.size()-1; i>= 0; i--) {
260 if (layers.get(i) instanceof OsmDataLayer) {
261 if (i == layers.size()-1) {
262 layers.add(layer);
263 } else {
264 layers.add(i+1, layer);
265 }
266 return;
267 }
268 }
269 layers.add(layer);
270 }
271
272 /**
273 * Add a layer to the current MapView. The layer will be added at topmost
274 * position.
275 */
276 public void addLayer(Layer layer) {
277 if (layer instanceof MarkerLayer && playHeadMarker == null) {
278 playHeadMarker = PlayHeadMarker.create();
279 }
280
281 if (layer instanceof GpxLayer) {
282 addGpxLayer((GpxLayer)layer);
283 } else if (layer.isBackgroundLayer() || layers.isEmpty()) {
284 layers.add(layer);
285 } else {
286 layers.add(0, layer);
287 }
288 fireLayerAdded(layer);
289 if (layer instanceof OsmDataLayer || activeLayer == null) {
290 // autoselect the new layer
291 setActiveLayer(layer);
292 }
293 layer.addPropertyChangeListener(this);
294 AudioPlayer.reset();
295 repaint();
296 }
297
298 @Override
299 protected DataSet getCurrentDataSet() {
300 if (editLayer != null)
301 return editLayer.data;
302 else
303 return null;
304 }
305
306 /**
307 * Replies true if the active layer is drawable.
308 *
309 * @return true if the active layer is drawable, false otherwise
310 */
311 public boolean isActiveLayerDrawable() {
312 return editLayer != null;
313 }
314
315 /**
316 * Replies true if the active layer is visible.
317 *
318 * @return true if the active layer is visible, false otherwise
319 */
320 public boolean isActiveLayerVisible() {
321 return isActiveLayerDrawable() && editLayer.isVisible();
322 }
323
324 /**
325 * Determines the next active data layer according to the following
326 * rules:
327 * <ul>
328 * <li>if there is at least one {@see OsmDataLayer} the first one
329 * becomes active</li>
330 * <li>otherwise, the top most layer of any type becomes active</li>
331 * </ul>
332 *
333 * @return the next active data layer
334 */
335 protected Layer determineNextActiveLayer(List<Layer> layersList) {
336 // First look for data layer
337 for (Layer layer:layersList) {
338 if (layer instanceof OsmDataLayer)
339 return layer;
340 }
341
342 // Then any layer
343 if (!layersList.isEmpty())
344 return layersList.get(0);
345
346 // and then give up
347 return null;
348
349 }
350
351 /**
352 * Remove the layer from the mapview. If the layer was in the list before,
353 * an LayerChange event is fired.
354 */
355 public void removeLayer(Layer layer) {
356 List<Layer> layersList = new ArrayList<Layer>(layers);
357
358 if (!layersList.remove(layer))
359 return;
360
361 setEditLayer(layersList);
362
363 if (layer == activeLayer) {
364 setActiveLayer(determineNextActiveLayer(layersList), false);
365 }
366
367 layers.remove(layer);
368 fireLayerRemoved(layer);
369 layer.removePropertyChangeListener(this);
370 layer.destroy();
371 AudioPlayer.reset();
372 repaint();
373 }
374
375 private boolean virtualNodesEnabled = false;
376
377 public void setVirtualNodesEnabled(boolean enabled) {
378 if(virtualNodesEnabled != enabled) {
379 virtualNodesEnabled = enabled;
380 repaint();
381 }
382 }
383 public boolean isVirtualNodesEnabled() {
384 return virtualNodesEnabled;
385 }
386
387 /**
388 * Moves the layer to the given new position. No event is fired, but repaints
389 * according to the new Z-Order of the layers.
390 *
391 * @param layer The layer to move
392 * @param pos The new position of the layer
393 */
394 public void moveLayer(Layer layer, int pos) {
395 int curLayerPos = layers.indexOf(layer);
396 if (curLayerPos == -1)
397 throw new IllegalArgumentException(tr("Layer not in list."));
398 if (pos == curLayerPos)
399 return; // already in place.
400 layers.remove(curLayerPos);
401 if (pos >= layers.size()) {
402 layers.add(layer);
403 } else {
404 layers.add(pos, layer);
405 }
406 setEditLayer(layers);
407 AudioPlayer.reset();
408 repaint();
409 }
410
411 public int getLayerPos(Layer layer) {
412 int curLayerPos = layers.indexOf(layer);
413 if (curLayerPos == -1)
414 throw new IllegalArgumentException(tr("Layer not in list."));
415 return curLayerPos;
416 }
417
418 /**
419 * Creates a list of the visible layers in Z-Order, the layer with the lowest Z-Order
420 * first, layer with the highest Z-Order last.
421 *
422 * @return a list of the visible in Z-Order, the layer with the lowest Z-Order
423 * first, layer with the highest Z-Order last.
424 */
425 protected List<Layer> getVisibleLayersInZOrder() {
426 ArrayList<Layer> ret = new ArrayList<Layer>();
427 for (Layer l: layers) {
428 if (l.isVisible()) {
429 ret.add(l);
430 }
431 }
432 // sort according to position in the list of layers, with one exception:
433 // an active data layer always becomes a higher Z-Order than all other
434 // data layers
435 //
436 Collections.sort(
437 ret,
438 new Comparator<Layer>() {
439 public int compare(Layer l1, Layer l2) {
440 if (l1 instanceof OsmDataLayer && l2 instanceof OsmDataLayer) {
441 if (l1 == getActiveLayer()) return -1;
442 if (l2 == getActiveLayer()) return 1;
443 return Integer.valueOf(layers.indexOf(l1)).compareTo(layers.indexOf(l2));
444 } else
445 return Integer.valueOf(layers.indexOf(l1)).compareTo(layers.indexOf(l2));
446 }
447 }
448 );
449 Collections.reverse(ret);
450 return ret;
451 }
452
453 /**
454 * Draw the component.
455 */
456 @Override public void paint(Graphics g) {
457 if (center == null)
458 return; // no data loaded yet.
459
460 // re-create offscreen-buffer if we've been resized, otherwise
461 // just re-use it.
462 if (null == offscreenBuffer || offscreenBuffer.getWidth() != getWidth()
463 || offscreenBuffer.getHeight() != getHeight()) {
464 offscreenBuffer = new BufferedImage(getWidth(), getHeight(), BufferedImage.TYPE_3BYTE_BGR);
465 }
466
467 Graphics2D tempG = offscreenBuffer.createGraphics();
468 tempG.setClip(g.getClip());
469 tempG.setColor(PaintColors.BACKGROUND.get());
470 tempG.fillRect(0, 0, getWidth(), getHeight());
471
472 Bounds box = getLatLonBounds(g.getClipBounds());
473
474 for (Layer l: getVisibleLayersInZOrder()) {
475 l.paint(tempG, this, box);
476 }
477 for (MapViewPaintable mvp : temporaryLayers) {
478 mvp.paint(tempG, this, box);
479 }
480
481 // draw world borders
482 tempG.setColor(Color.WHITE);
483 Bounds b = getProjection().getWorldBoundsLatLon();
484 double lat = b.getMin().lat();
485 double lon = b.getMin().lon();
486
487 Point p = getPoint(b.getMin());
488
489 GeneralPath path = new GeneralPath();
490
491 path.moveTo(p.x, p.y);
492 double max = b.getMax().lat();
493 for(; lat <= max; lat += 1.0)
494 {
495 p = getPoint(new LatLon(lat >= max ? max : lat, lon));
496 path.lineTo(p.x, p.y);
497 }
498 lat = max; max = b.getMax().lon();
499 for(; lon <= max; lon += 1.0)
500 {
501 p = getPoint(new LatLon(lat, lon >= max ? max : lon));
502 path.lineTo(p.x, p.y);
503 }
504 lon = max; max = b.getMin().lat();
505 for(; lat >= max; lat -= 1.0)
506 {
507 p = getPoint(new LatLon(lat <= max ? max : lat, lon));
508 path.lineTo(p.x, p.y);
509 }
510 lat = max; max = b.getMin().lon();
511 for(; lon >= max; lon -= 1.0)
512 {
513 p = getPoint(new LatLon(lat, lon <= max ? max : lon));
514 path.lineTo(p.x, p.y);
515 }
516
517 int w = offscreenBuffer.getWidth();
518 int h = offscreenBuffer.getHeight();
519
520 // Work around OpenJDK having problems when drawing out of bounds
521 final Area border = new Area(path);
522 // Make the viewport 1px larger in every direction to prevent an
523 // additional 1px border when zooming in
524 final Area viewport = new Area(new Rectangle(-1, -1, w + 2, h + 2));
525 border.intersect(viewport);
526 tempG.draw(border);
527
528 if (playHeadMarker != null) {
529 playHeadMarker.paint(tempG, this);
530 }
531
532 g.drawImage(offscreenBuffer, 0, 0, null);
533 super.paint(g);
534 }
535
536 /**
537 * Set the new dimension to the view.
538 */
539 public void recalculateCenterScale(BoundingXYVisitor box) {
540 if (box == null) {
541 box = new BoundingXYVisitor();
542 }
543 if (box.getBounds() == null) {
544 box.visit(getProjection().getWorldBoundsLatLon());
545 }
546 if (!box.hasExtend()) {
547 box.enlargeBoundingBox();
548 }
549
550 zoomTo(box.getBounds());
551 }
552
553 /**
554 * @return An unmodifiable collection of all layers
555 */
556 public Collection<Layer> getAllLayers() {
557 return Collections.unmodifiableCollection(layers);
558 }
559
560 /**
561 * @return An unmodifiable ordered list of all layers
562 */
563 public List<Layer> getAllLayersAsList() {
564 return Collections.unmodifiableList(layers);
565 }
566
567 /**
568 * Replies an unmodifiable list of layers of a certain type.
569 *
570 * Example:
571 * <pre>
572 * List<WMSLayer> wmsLayers = getLayersOfType(WMSLayer.class);
573 * </pre>
574 *
575 * @return an unmodifiable list of layers of a certain type.
576 */
577 public <T> List<T> getLayersOfType(Class<T> ofType) {
578 ArrayList<T> ret = new ArrayList<T>();
579 for (Layer layer : getAllLayersAsList()) {
580 if (ofType.isInstance(layer)) {
581 ret.add(ofType.cast(layer));
582 }
583 }
584 return ret;
585 }
586
587 /**
588 * Replies the number of layers managed by this mav view
589 *
590 * @return the number of layers managed by this mav view
591 */
592 public int getNumLayers() {
593 return layers.size();
594 }
595
596 /**
597 * Replies true if there is at least one layer in this map view
598 *
599 * @return true if there is at least one layer in this map view
600 */
601 public boolean hasLayers() {
602 return getNumLayers() > 0;
603 }
604
605 private void setEditLayer(List<Layer> layersList) {
606 OsmDataLayer newEditLayer = layersList.contains(editLayer)?editLayer:null;
607 OsmDataLayer oldEditLayer = editLayer;
608
609 // Find new edit layer
610 if (activeLayer != editLayer || !layersList.contains(editLayer)) {
611 if (activeLayer instanceof OsmDataLayer && layersList.contains(activeLayer)) {
612 newEditLayer = (OsmDataLayer) activeLayer;
613 } else {
614 for (Layer layer:layersList) {
615 if (layer instanceof OsmDataLayer) {
616 newEditLayer = (OsmDataLayer) layer;
617 break;
618 }
619 }
620 }
621 }
622
623 // Set new edit layer
624 if (newEditLayer != editLayer) {
625 if (newEditLayer == null) {
626 getCurrentDataSet().setSelected();
627 }
628
629 editLayer = newEditLayer;
630 fireEditLayerChanged(oldEditLayer, newEditLayer);
631 refreshTitle();
632 }
633
634 }
635
636 /**
637 * Sets the active layer to <code>layer</code>. If <code>layer</code> is an instance
638 * of {@see OsmDataLayer} also sets {@see #editLayer} to <code>layer</code>.
639 *
640 * @param layer the layer to be activate; must be one of the layers in the list of layers
641 * @exception IllegalArgumentException thrown if layer is not in the lis of layers
642 */
643 public void setActiveLayer(Layer layer) {
644 setActiveLayer(layer, true);
645 }
646
647 private void setActiveLayer(Layer layer, boolean setEditLayer) {
648 if (layer != null && !layers.contains(layer))
649 throw new IllegalArgumentException(tr("Layer ''{0}'' must be in list of layers", layer.toString()));
650
651 if (layer == activeLayer)
652 return;
653
654 Layer old = activeLayer;
655 activeLayer = layer;
656 if (setEditLayer) {
657 setEditLayer(layers);
658 }
659 fireActiveLayerChanged(old, layer);
660
661 /* This only makes the buttons look disabled. Disabling the actions as well requires
662 * the user to re-select the tool after i.e. moving a layer. While testing I found
663 * that I switch layers and actions at the same time and it was annoying to mind the
664 * order. This way it works as visual clue for new users */
665 for (Enumeration<AbstractButton> e = Main.map.toolGroup.getElements() ; e.hasMoreElements() ;) {
666 AbstractButton x=e.nextElement();
667 x.setEnabled(((MapMode)x.getAction()).layerIsSupported(layer));
668 }
669 AudioPlayer.reset();
670 repaint();
671 }
672
673 /**
674 * Replies the currently active layer
675 *
676 * @return the currently active layer (may be null)
677 */
678 public Layer getActiveLayer() {
679 return activeLayer;
680 }
681
682 /**
683 * Replies the current edit layer, if any
684 *
685 * @return the current edit layer. May be null.
686 */
687 public OsmDataLayer getEditLayer() {
688 return editLayer;
689 }
690
691 /**
692 * replies true if the list of layers managed by this map view contain layer
693 *
694 * @param layer the layer
695 * @return true if the list of layers managed by this map view contain layer
696 */
697 public boolean hasLayer(Layer layer) {
698 return layers.contains(layer);
699 }
700
701 /**
702 * Tries to zoom to the download boundingbox[es] of the current edit layer
703 * (aka {@link OsmDataLayer}). If the edit layer has multiple download bounding
704 * boxes it zooms to a large virtual bounding box containing all smaller ones.
705 *
706 * @return <code>true</code> if a zoom operation has been performed
707 */
708 public boolean zoomToDataSetBoundingBox(DataSet ds) {
709 // In case we already have an existing data layer ...
710 OsmDataLayer layer= getEditLayer();
711 if (layer == null)
712 return false;
713 Collection<DataSource> dataSources = ds.dataSources;
714 // ... with bounding box[es] of data loaded from OSM or a file...
715 BoundingXYVisitor bbox = new BoundingXYVisitor();
716 for (DataSource source : dataSources) {
717 bbox.visit(source.bounds);
718 }
719 if (bbox.hasExtend()) {
720 // ... we zoom to it's bounding box
721 recalculateCenterScale(bbox);
722 return true;
723 }
724 return false;
725 }
726
727 public boolean addTemporaryLayer(MapViewPaintable mvp) {
728 if (temporaryLayers.contains(mvp)) return false;
729 return temporaryLayers.add(mvp);
730 }
731
732 public boolean removeTemporaryLayer(MapViewPaintable mvp) {
733 return temporaryLayers.remove(mvp);
734 }
735
736 public void propertyChange(PropertyChangeEvent evt) {
737 if (evt.getPropertyName().equals(Layer.VISIBLE_PROP)) {
738 repaint();
739 } else if (evt.getPropertyName().equals(OsmDataLayer.REQUIRES_SAVE_TO_DISK_PROP)
740 || evt.getPropertyName().equals(OsmDataLayer.REQUIRES_UPLOAD_TO_SERVER_PROP)) {
741 OsmDataLayer layer = (OsmDataLayer)evt.getSource();
742 if (layer == getEditLayer()) {
743 refreshTitle();
744 }
745 }
746 }
747
748 protected void refreshTitle() {
749 boolean dirty = editLayer != null && (editLayer.requiresSaveToFile() || editLayer.requiresUploadToServer());
750 if (dirty) {
751 JOptionPane.getFrameForComponent(Main.parent).setTitle("* " + tr("Java OpenStreetMap Editor"));
752 } else {
753 JOptionPane.getFrameForComponent(Main.parent).setTitle(tr("Java OpenStreetMap Editor"));
754 }
755 }
756
757}
Note: See TracBrowser for help on using the repository browser.