source: josm/trunk/src/org/openstreetmap/josm/gui/MapFrame.java@ 5463

Last change on this file since 5463 was 5463, checked in by jttt, 12 years ago

Fix some memory leaks (see #7980)
  • Property svn:eol-style set to native
File size: 24.3 KB
Line 
1// License: GPL. See LICENSE file for details.
2package org.openstreetmap.josm.gui;
3
4import static org.openstreetmap.josm.tools.I18n.tr;
5
6import java.awt.BorderLayout;
7import java.awt.Component;
8import java.awt.Container;
9import java.awt.Dimension;
10import java.awt.Font;
11import java.awt.GridBagLayout;
12import java.awt.Rectangle;
13import java.awt.event.ActionEvent;
14import java.awt.event.KeyEvent;
15import java.awt.event.MouseWheelEvent;
16import java.awt.event.MouseWheelListener;
17import java.util.ArrayList;
18import java.util.Collection;
19import java.util.HashMap;
20import java.util.List;
21import java.util.Map;
22import java.util.concurrent.CopyOnWriteArrayList;
23
24import javax.swing.AbstractAction;
25import javax.swing.AbstractButton;
26import javax.swing.Action;
27import javax.swing.BoxLayout;
28import javax.swing.ButtonGroup;
29import javax.swing.JButton;
30import javax.swing.JCheckBoxMenuItem;
31import javax.swing.JComponent;
32import javax.swing.JPanel;
33import javax.swing.JPopupMenu;
34import javax.swing.JSplitPane;
35import javax.swing.JToolBar;
36import javax.swing.KeyStroke;
37import javax.swing.SwingUtilities;
38import javax.swing.border.Border;
39import javax.swing.plaf.basic.BasicSplitPaneDivider;
40import javax.swing.plaf.basic.BasicSplitPaneUI;
41
42import org.openstreetmap.josm.Main;
43import org.openstreetmap.josm.actions.LassoModeAction;
44import org.openstreetmap.josm.actions.mapmode.DeleteAction;
45import org.openstreetmap.josm.actions.mapmode.DrawAction;
46import org.openstreetmap.josm.actions.mapmode.ExtrudeAction;
47import org.openstreetmap.josm.actions.mapmode.ImproveWayAccuracyAction;
48import org.openstreetmap.josm.actions.mapmode.MapMode;
49import org.openstreetmap.josm.actions.mapmode.ParallelWayAction;
50import org.openstreetmap.josm.actions.mapmode.SelectAction;
51import org.openstreetmap.josm.actions.mapmode.ZoomAction;
52import org.openstreetmap.josm.data.Preferences;
53import org.openstreetmap.josm.data.Preferences.PreferenceChangeEvent;
54import org.openstreetmap.josm.data.Preferences.PreferenceChangedListener;
55import org.openstreetmap.josm.gui.MapView.LayerChangeListener;
56import org.openstreetmap.josm.gui.dialogs.ChangesetDialog;
57import org.openstreetmap.josm.gui.dialogs.CommandStackDialog;
58import org.openstreetmap.josm.gui.dialogs.ConflictDialog;
59import org.openstreetmap.josm.gui.dialogs.DialogsPanel;
60import org.openstreetmap.josm.gui.dialogs.FilterDialog;
61import org.openstreetmap.josm.gui.dialogs.HistoryDialog;
62import org.openstreetmap.josm.gui.dialogs.LayerListDialog;
63import org.openstreetmap.josm.gui.dialogs.MapPaintDialog;
64import org.openstreetmap.josm.gui.dialogs.RelationListDialog;
65import org.openstreetmap.josm.gui.dialogs.SelectionListDialog;
66import org.openstreetmap.josm.gui.dialogs.ToggleDialog;
67import org.openstreetmap.josm.gui.dialogs.UserListDialog;
68import org.openstreetmap.josm.gui.dialogs.ValidatorDialog;
69import org.openstreetmap.josm.gui.dialogs.properties.PropertiesDialog;
70import org.openstreetmap.josm.gui.layer.Layer;
71import org.openstreetmap.josm.gui.widgets.PopupMenuLauncher;
72import org.openstreetmap.josm.tools.Destroyable;
73import org.openstreetmap.josm.tools.GBC;
74
75/**
76 * One Map frame with one dataset behind. This is the container gui class whose
77 * display can be set to the different views.
78 *
79 * @author imi
80 */
81public class MapFrame extends JPanel implements Destroyable, LayerChangeListener {
82
83 /**
84 * The current mode, this frame operates.
85 */
86 public MapMode mapMode;
87
88 private final List<MapMode> mapModes = new ArrayList<MapMode>();
89 /**
90 * The view control displayed.
91 */
92 public MapView mapView;
93 /**
94 * The toolbar with the action icons. To add new toggle dialog actions, use addToggleDialog
95 * instead of adding directly to this list. To add a new mode use addMapMode.
96 */
97 private JToolBar toolBarActions = new JToolBar(JToolBar.VERTICAL);
98 private JToolBar toolBarToggle = new JToolBar(JToolBar.VERTICAL);
99 /**
100 * The status line below the map
101 */
102 public MapStatus statusLine;
103
104 // Toggle dialogs
105 public ConflictDialog conflictDialog;
106 public FilterDialog filterDialog;
107 public RelationListDialog relationListDialog;
108 public ValidatorDialog validatorDialog;
109 public SelectionListDialog selectionListDialog;
110 public PropertiesDialog propertiesDialog;
111
112 // Map modes
113 public final SelectAction mapModeSelect;
114 private final MapMode mapModeDraw;
115 private final MapMode mapModeZoom;
116
117 /**
118 * The panel list of all toggle dialog icons. To add new toggle dialog actions, use addToggleDialog
119 * instead of adding directly to this list.
120 */
121 private List<ToggleDialog> allDialogs = new ArrayList<ToggleDialog>();
122 private final JPanel leftPanel;
123 private final DialogsPanel dialogsPanel;
124
125 public final ButtonGroup toolGroup = new ButtonGroup();
126
127 private List<IconToggleButton> allDialogButtons = new ArrayList<IconToggleButton>();
128 private List<IconToggleButton> allMapModeButtons = new ArrayList<IconToggleButton>();
129
130 private final ListAllButtonsAction listAllDialogsAction = new ListAllButtonsAction(allDialogButtons);
131 private final ListAllButtonsAction listAllMapModesAction = new ListAllButtonsAction(allMapModeButtons);
132 private final JButton listAllToggleDialogsButton = new JButton(listAllDialogsAction);
133 private final JButton listAllMapModesButton = new JButton(listAllMapModesAction);
134 {
135 listAllDialogsAction.setButton(listAllToggleDialogsButton);
136 listAllMapModesAction.setButton(listAllMapModesButton);
137 }
138
139 /**
140 * Default width of the toggle dialog area.
141 */
142 public static final int DEF_TOGGLE_DLG_WIDTH = 330;
143
144 private final Map<Layer, MapMode> lastMapMode = new HashMap<Layer, MapMode>();
145
146 public MapFrame(JPanel contentPane) {
147 setSize(400,400);
148 setLayout(new BorderLayout());
149
150
151 mapView = new MapView(contentPane);
152
153 new FileDrop(mapView);
154
155 leftPanel = new JPanel();
156 leftPanel.setLayout(new GridBagLayout());
157
158 leftPanel.add(mapView, GBC.std().fill());
159
160 // toolbar
161 toolBarActions.setFloatable(false);
162 addMapMode(new IconToggleButton(mapModeSelect = new SelectAction(this)));
163 addMapMode(new IconToggleButton(new LassoModeAction(), true));
164 addMapMode(new IconToggleButton(mapModeDraw = new DrawAction(this)));
165 addMapMode(new IconToggleButton(mapModeZoom = new ZoomAction(this)));
166 addMapMode(new IconToggleButton(new DeleteAction(this), true));
167 addMapMode(new IconToggleButton(new ParallelWayAction(this), true));
168 addMapMode(new IconToggleButton(new ExtrudeAction(this), true));
169 addMapMode(new IconToggleButton(new ImproveWayAccuracyAction(Main.map), true));
170
171 toolGroup.setSelected(((AbstractButton)toolBarActions.getComponent(0)).getModel(), true);
172
173 JSplitPane splitPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, true);
174 dialogsPanel = new DialogsPanel(splitPane);
175 splitPane.setLeftComponent(leftPanel);
176 splitPane.setRightComponent(dialogsPanel);
177
178 /**
179 * All additional space goes to the mapView
180 */
181 splitPane.setResizeWeight(1.0);
182
183 /**
184 * Some beautifications.
185 */
186 splitPane.setDividerSize(5);
187 splitPane.setBorder(null);
188 splitPane.setUI(new BasicSplitPaneUI() {
189 @Override
190 public BasicSplitPaneDivider createDefaultDivider() {
191 return new BasicSplitPaneDivider(this) {
192 @Override
193 public void setBorder(Border b) {
194 }
195 };
196 }
197 });
198
199 // JSplitPane supports F6 and F8 shortcuts by default, but we need them for Audio actions
200 splitPane.getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(KeyStroke.getKeyStroke(KeyEvent.VK_F6, 0), new Object());
201 splitPane.getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(KeyStroke.getKeyStroke(KeyEvent.VK_F8, 0), new Object());
202
203 add(splitPane, BorderLayout.CENTER);
204
205 dialogsPanel.setLayout(new BoxLayout(dialogsPanel, BoxLayout.Y_AXIS));
206 dialogsPanel.setPreferredSize(new Dimension(Main.pref.getInteger("toggleDialogs.width",DEF_TOGGLE_DLG_WIDTH), 0));
207
208 dialogsPanel.setMinimumSize(new Dimension(24, 0));
209 mapView.setMinimumSize(new Dimension(10,0));
210
211 toolBarToggle.setFloatable(false);
212 LayerListDialog.createInstance(this);
213 addToggleDialog(LayerListDialog.getInstance());
214 addToggleDialog(propertiesDialog = new PropertiesDialog(this));
215 addToggleDialog(selectionListDialog = new SelectionListDialog());
216 addToggleDialog(relationListDialog = new RelationListDialog());
217 addToggleDialog(new CommandStackDialog(this));
218 addToggleDialog(new UserListDialog());
219 addToggleDialog(new HistoryDialog(), true);
220 addToggleDialog(conflictDialog = new ConflictDialog());
221 addToggleDialog(validatorDialog = new ValidatorDialog());
222 addToggleDialog(filterDialog = new FilterDialog());
223 addToggleDialog(new ChangesetDialog(this), true);
224 addToggleDialog(new MapPaintDialog());
225
226 // status line below the map
227 statusLine = new MapStatus(this);
228 MapView.addLayerChangeListener(this);
229 }
230
231 public boolean selectSelectTool(boolean onlyIfModeless) {
232 if(onlyIfModeless && !Main.pref.getBoolean("modeless", false))
233 return false;
234
235 return selectMapMode(mapModeSelect);
236 }
237
238 public boolean selectDrawTool(boolean onlyIfModeless) {
239 if(onlyIfModeless && !Main.pref.getBoolean("modeless", false))
240 return false;
241
242 return selectMapMode(mapModeDraw);
243 }
244
245 public boolean selectZoomTool(boolean onlyIfModeless) {
246 if(onlyIfModeless && !Main.pref.getBoolean("modeless", false))
247 return false;
248
249 return selectMapMode(mapModeZoom);
250 }
251
252 /**
253 * Called as some kind of destructor when the last layer has been removed.
254 * Delegates the call to all Destroyables within this component (e.g. MapModes)
255 */
256 public void destroy() {
257 MapView.removeLayerChangeListener(this);
258 dialogsPanel.destroy();
259 Main.pref.removePreferenceChangeListener(sidetoolbarPreferencesChangedListener);
260 for (int i = 0; i < toolBarActions.getComponentCount(); ++i) {
261 if (toolBarActions.getComponent(i) instanceof Destroyable) {
262 ((Destroyable)toolBarActions.getComponent(i)).destroy();
263 }
264 }
265 for (int i = 0; i < toolBarToggle.getComponentCount(); ++i) {
266 if (toolBarToggle.getComponent(i) instanceof Destroyable) {
267 ((Destroyable)toolBarToggle.getComponent(i)).destroy();
268 }
269 }
270
271 // MapFrame gets destroyed when the last layer is removed, but the status line background
272 // thread that collects the information doesn't get destroyed automatically.
273 if(statusLine.thread != null) {
274 try {
275 statusLine.thread.interrupt();
276 } catch (Exception e) {
277 e.printStackTrace();
278 }
279 }
280 mapView.destroy();
281 }
282
283 public Action getDefaultButtonAction() {
284 return ((AbstractButton)toolBarActions.getComponent(0)).getAction();
285 }
286
287 /**
288 * Open all ToggleDialogs that have their preferences property set. Close all others.
289 */
290 public void initializeDialogsPane() {
291 dialogsPanel.initialize(allDialogs);
292 }
293
294 public IconToggleButton addToggleDialog(final ToggleDialog dlg) {
295 return addToggleDialog(dlg, false);
296 }
297
298 /**
299 * Call this to add new toggle dialogs to the left button-list
300 * @param dlg The toggle dialog. It must not be in the list already.
301 */
302 public IconToggleButton addToggleDialog(final ToggleDialog dlg, boolean isExpert) {
303 final IconToggleButton button = new IconToggleButton(dlg.getToggleAction(), isExpert);
304 button.setShowHideButtonListener(dlg);
305 addHideContextMenu(button);
306 dlg.setButton(button);
307 toolBarToggle.add(button);
308 allDialogs.add(dlg);
309 allDialogButtons.add(button);
310 button.applyButtonHiddenPreferences();
311 if (dialogsPanel.initialized) {
312 dialogsPanel.add(dlg);
313 }
314 return button;
315 }
316
317
318
319 public void addMapMode(IconToggleButton b) {
320 toolBarActions.add(b);
321 toolGroup.add(b);
322 allMapModeButtons.add(b);
323 if (b.getAction() instanceof MapMode) {
324 mapModes.add((MapMode) b.getAction());
325 } else
326 throw new IllegalArgumentException("MapMode action must be subclass of MapMode");
327 addHideContextMenu(b);
328 b.applyButtonHiddenPreferences();
329 }
330
331 /**
332 * Fires an property changed event "visible".
333 */
334 @Override public void setVisible(boolean aFlag) {
335 boolean old = isVisible();
336 super.setVisible(aFlag);
337 if (old != aFlag) {
338 firePropertyChange("visible", old, aFlag);
339 }
340 }
341
342 /**
343 * Change the operating map mode for the view. Will call unregister on the
344 * old MapMode and register on the new one. Now this function also verifies
345 * if new map mode is correct mode for current layer and does not change mode
346 * in such cases.
347 * @param mapMode The new mode to set.
348 * @return
349 */
350 public boolean selectMapMode(MapMode newMapMode) {
351 return selectMapMode(newMapMode, mapView.getActiveLayer());
352 }
353
354 /**
355 * Another version of the selectMapMode for changing layer action.
356 * Pass newly selected layer to this method.
357 * @param newMapMode
358 * @param newLayer
359 * @return True if mode is really selected
360 */
361 public boolean selectMapMode(MapMode newMapMode, Layer newLayer) {
362 if (newMapMode == null || !newMapMode.layerIsSupported(newLayer))
363 return false;
364
365 MapMode oldMapMode = this.mapMode;
366 if (newMapMode == oldMapMode)
367 return true;
368 if (oldMapMode != null) {
369 oldMapMode.exitMode();
370 }
371 this.mapMode = newMapMode;
372 newMapMode.enterMode();
373 lastMapMode.put(newLayer, newMapMode);
374 fireMapModeChanged(oldMapMode, newMapMode);
375 return true;
376 }
377
378 /**
379 * Fill the given panel by adding all necessary components to the different
380 * locations.
381 *
382 * @param panel The container to fill. Must have an BorderLayout.
383 */
384 public void fillPanel(Container panel) {
385 panel.add(this, BorderLayout.CENTER);
386 JToolBar jb = new JToolBar(JToolBar.VERTICAL);
387 jb.setFloatable(false);
388 toolBarActions.setAlignmentX(0.5f);
389 jb.add(toolBarActions);
390 listAllMapModesButton.setAlignmentX(0.5f);
391 listAllMapModesButton.setBorder(null);
392 listAllMapModesButton.setFont(listAllMapModesButton.getFont().deriveFont(Font.PLAIN));
393 jb.add(listAllMapModesButton);
394
395 if(Main.pref.getBoolean("sidetoolbar.togglevisible", true)) {
396 jb.addSeparator(new Dimension(0,18));
397 toolBarToggle.setAlignmentX(0.5f);
398 jb.add(toolBarToggle);
399 listAllToggleDialogsButton.setAlignmentX(0.5f);
400 listAllToggleDialogsButton.setBorder(null);
401 listAllToggleDialogsButton.setFont(listAllToggleDialogsButton.getFont().deriveFont(Font.PLAIN));
402 jb.add(listAllToggleDialogsButton);
403 }
404
405 final Component toToggle;
406 if (Main.pref.getBoolean("sidetoolbar.scrollable", true)) {
407 final ScrollViewport svp = new ScrollViewport(jb, ScrollViewport.VERTICAL_DIRECTION);
408 toToggle = svp;
409 panel.add(svp, BorderLayout.WEST);
410 jb.addMouseWheelListener(new MouseWheelListener() {
411
412 public void mouseWheelMoved(MouseWheelEvent e) {
413 svp.scroll(0, e.getUnitsToScroll() * 5);
414 }
415 });
416 } else {
417 toToggle = jb;
418 panel.add(jb, BorderLayout.WEST);
419 }
420 toToggle.setVisible(Main.pref.getBoolean("sidetoolbar.visible", true));
421
422 jb.addMouseListener(new PopupMenuLauncher(new JPopupMenu() {
423
424 {
425 add(new AbstractAction(tr("Hide edit toolbar")) {
426
427 @Override
428 public void actionPerformed(ActionEvent e) {
429 Main.pref.put("sidetoolbar.visible", false);
430 }
431 });
432 }
433 }));
434
435 sidetoolbarPreferencesChangedListener = new Preferences.PreferenceChangedListener() {
436
437 @Override
438 public void preferenceChanged(PreferenceChangeEvent e) {
439 if ("sidetoolbar.visible".equals(e.getKey())) {
440 toToggle.setVisible(Main.pref.getBoolean("sidetoolbar.visible"));
441 }
442 }
443 };
444 Main.pref.addPreferenceChangeListener(sidetoolbarPreferencesChangedListener);
445
446 if (statusLine != null && Main.pref.getBoolean("statusline.visible", true)) {
447 panel.add(statusLine, BorderLayout.SOUTH);
448 }
449 }
450
451 private void addHideContextMenu(final IconToggleButton b) {
452 //context menu
453 b.addMouseListener(new PopupMenuLauncher(new JPopupMenu() {
454 {
455 add(new AbstractAction() {
456 {
457 putValue(NAME, tr("Hide this button"));
458 putValue(SHORT_DESCRIPTION, tr("Click the arrow at the bottom to show it again."));
459 }
460 @Override
461 public void actionPerformed(ActionEvent e) {
462 b.setButtonHidden(true);
463 validateToolBarsVisibility();
464 }
465 });
466 }
467 }));
468 }
469
470 class ListAllButtonsAction extends AbstractAction {
471
472 private JButton button;
473 private Collection<? extends HideableButton> buttons;
474
475
476 public ListAllButtonsAction(Collection<? extends HideableButton> buttons) {
477 this.buttons = buttons;
478 putValue(NAME, ">>");
479 }
480
481 public void setButton(JButton button) {
482 this.button = button;
483 }
484
485 @Override
486 public void actionPerformed(ActionEvent e) {
487 JPopupMenu menu = new JPopupMenu();
488 for (HideableButton b : buttons) {
489 final HideableButton t = b;
490 menu.add(new JCheckBoxMenuItem(new AbstractAction() {
491 {
492 putValue(NAME, t.getActionName());
493 putValue(SMALL_ICON, t.getIcon());
494 putValue(SELECTED_KEY, t.isButtonVisible());
495 putValue(SHORT_DESCRIPTION, tr("Hide or show this toggle button"));
496 }
497 @Override
498 public void actionPerformed(ActionEvent e) {
499 if ((Boolean) getValue(SELECTED_KEY)) {
500 t.showButton();
501 } else {
502 t.hideButton();
503 }
504 validateToolBarsVisibility();
505 }
506 }));
507 }
508 Rectangle bounds = button.getBounds();
509 menu.show(button, bounds.x + bounds.width, 0);
510 }
511 }
512
513 public void validateToolBarsVisibility() {
514 for (IconToggleButton b : allDialogButtons) {
515 b.applyButtonHiddenPreferences();
516 }
517 toolBarToggle.repaint();
518 for (IconToggleButton b : allMapModeButtons) {
519 b.applyButtonHiddenPreferences();
520 }
521 toolBarActions.repaint();
522 }
523
524 /**
525 * Replies the instance of a toggle dialog of type <code>type</code> managed by this
526 * map frame
527 *
528 * @param <T>
529 * @param type the class of the toggle dialog, i.e. UserListDialog.class
530 * @return the instance of a toggle dialog of type <code>type</code> managed by this
531 * map frame; null, if no such dialog exists
532 *
533 */
534 public <T> T getToggleDialog(Class<T> type) {
535 return dialogsPanel.getToggleDialog(type);
536 }
537
538 /**
539 * Remember the current width of the (possibly resized) toggle dialog area
540 */
541 public void rememberToggleDialogWidth() {
542 Main.pref.putInteger("toggleDialogs.width", dialogsPanel.getWidth());
543 }
544
545 /*
546 * Remove panel from top of MapView by class
547 */
548 public void removeTopPanel(Class<?> type) {
549 int n = leftPanel.getComponentCount();
550 for (int i=0; i<n; i++) {
551 Component c = leftPanel.getComponent(i);
552 if (type.isInstance(c)) {
553 leftPanel.remove(i);
554 leftPanel.doLayout();
555 // repaint();
556 return;
557 }
558 }
559 }
560
561 /*
562 * Find panel on top of MapView by class
563 */
564 public <T> T getTopPanel(Class<T> type) {
565 int n = leftPanel.getComponentCount();
566 for (int i=0; i<n; i++) {
567 Component c = leftPanel.getComponent(i);
568 if (type.isInstance(c))
569 return type.cast(c);
570 }
571 return null;
572 }
573
574 /**
575 * Add component @param c on top of MapView
576 */
577 public void addTopPanel(Component c) {
578 leftPanel.add(c, GBC.eol().fill(GBC.HORIZONTAL), leftPanel.getComponentCount()-1);
579 leftPanel.doLayout();
580 c.doLayout();
581 }
582
583 /**
584 * Interface to notify listeners of the change of the mapMode.
585 */
586 public interface MapModeChangeListener {
587 void mapModeChange(MapMode oldMapMode, MapMode newMapMode);
588 }
589
590 /**
591 * the mapMode listeners
592 */
593 private static final CopyOnWriteArrayList<MapModeChangeListener> mapModeChangeListeners = new CopyOnWriteArrayList<MapModeChangeListener>();
594
595 private PreferenceChangedListener sidetoolbarPreferencesChangedListener;
596 /**
597 * Adds a mapMode change listener
598 *
599 * @param listener the listener. Ignored if null or already registered.
600 */
601 public static void addMapModeChangeListener(MapModeChangeListener listener) {
602 if (listener != null) {
603 mapModeChangeListeners.addIfAbsent(listener);
604 }
605 }
606 /**
607 * Removes a mapMode change listener
608 *
609 * @param listener the listener. Ignored if null or already registered.
610 */
611 public static void removeMapModeChangeListener(MapModeChangeListener listener) {
612 mapModeChangeListeners.remove(listener);
613 }
614
615 protected static void fireMapModeChanged(MapMode oldMapMode, MapMode newMapMode) {
616 for (MapModeChangeListener l : mapModeChangeListeners) {
617 l.mapModeChange(oldMapMode, newMapMode);
618 }
619 }
620
621 @Override
622 public void activeLayerChange(Layer oldLayer, Layer newLayer) {
623 boolean modeChanged = false;
624 if (mapMode == null || !mapMode.layerIsSupported(newLayer)) {
625 MapMode newMapMode = getLastMapMode(newLayer);
626 modeChanged = newMapMode != mapMode;
627 if (newMapMode != null) {
628 selectMapMode(newMapMode, newLayer); // it would be nice to select first supported mode when layer is first selected, but it don't work well with for example editgpx layer
629 } else if (mapMode != null) {
630 mapMode.exitMode(); // if new mode is null - simply exit from previous mode
631 }
632 }
633 // if this is really a change (and not the first active layer)
634 if (oldLayer != null) {
635 if (!modeChanged && mapMode != null) {
636 // Let mapmodes know about new active layer
637 mapMode.exitMode();
638 mapMode.enterMode();
639 }
640 // invalidate repaint cache
641 Main.map.mapView.preferenceChanged(null);
642 }
643
644 // After all listeners notice new layer, some buttons will be disabled/enabled
645 // and possibly need to be hidden/shown.
646 SwingUtilities.invokeLater(new Runnable() {
647 public void run() {
648 validateToolBarsVisibility();
649 }
650 });
651 }
652
653
654 private MapMode getLastMapMode(Layer newLayer) {
655 MapMode mode = lastMapMode.get(newLayer);
656 if (mode == null) {
657 // if no action is selected - try to select default action
658 Action defaultMode = getDefaultButtonAction();
659 if (defaultMode instanceof MapMode && ((MapMode)defaultMode).layerIsSupported(newLayer)) {
660 mode = (MapMode) defaultMode;
661 }
662 }
663 return mode;
664 }
665
666 @Override
667 public void layerAdded(Layer newLayer) { }
668
669 @Override
670 public void layerRemoved(Layer oldLayer) {
671 lastMapMode.remove(oldLayer);
672 }
673}
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