source: josm/trunk/src/org/openstreetmap/josm/Main.java@ 7538

Last change on this file since 7538 was 7476, checked in by Don-vip, 10 years ago

fix NPE seen in continuous integration, reproducible in offline mode
  • Property svn:eol-style set to native
File size: 56.5 KB
Line 
1// License: GPL. For details, see LICENSE file.
2package org.openstreetmap.josm;
3
4import static org.openstreetmap.josm.tools.I18n.tr;
5
6import java.awt.BorderLayout;
7import java.awt.Component;
8import java.awt.GridBagConstraints;
9import java.awt.GridBagLayout;
10import java.awt.Window;
11import java.awt.event.ComponentEvent;
12import java.awt.event.ComponentListener;
13import java.awt.event.KeyEvent;
14import java.awt.event.WindowAdapter;
15import java.awt.event.WindowEvent;
16import java.io.File;
17import java.lang.ref.WeakReference;
18import java.net.URI;
19import java.net.URISyntaxException;
20import java.net.URL;
21import java.text.MessageFormat;
22import java.util.ArrayList;
23import java.util.Arrays;
24import java.util.Collection;
25import java.util.Collections;
26import java.util.HashMap;
27import java.util.HashSet;
28import java.util.Iterator;
29import java.util.List;
30import java.util.Map;
31import java.util.Objects;
32import java.util.Set;
33import java.util.StringTokenizer;
34import java.util.concurrent.Callable;
35import java.util.concurrent.ExecutorService;
36import java.util.concurrent.Executors;
37import java.util.concurrent.Future;
38
39import javax.swing.Action;
40import javax.swing.InputMap;
41import javax.swing.JComponent;
42import javax.swing.JFrame;
43import javax.swing.JOptionPane;
44import javax.swing.JPanel;
45import javax.swing.JTextArea;
46import javax.swing.KeyStroke;
47import javax.swing.UIManager;
48import javax.swing.UnsupportedLookAndFeelException;
49
50import org.openstreetmap.gui.jmapviewer.FeatureAdapter;
51import org.openstreetmap.josm.actions.JosmAction;
52import org.openstreetmap.josm.actions.OpenFileAction;
53import org.openstreetmap.josm.actions.downloadtasks.DownloadGpsTask;
54import org.openstreetmap.josm.actions.downloadtasks.DownloadOsmTask;
55import org.openstreetmap.josm.actions.downloadtasks.DownloadTask;
56import org.openstreetmap.josm.actions.downloadtasks.PostDownloadHandler;
57import org.openstreetmap.josm.actions.mapmode.DrawAction;
58import org.openstreetmap.josm.actions.mapmode.MapMode;
59import org.openstreetmap.josm.actions.search.SearchAction;
60import org.openstreetmap.josm.data.Bounds;
61import org.openstreetmap.josm.data.Preferences;
62import org.openstreetmap.josm.data.UndoRedoHandler;
63import org.openstreetmap.josm.data.ViewportData;
64import org.openstreetmap.josm.data.coor.CoordinateFormat;
65import org.openstreetmap.josm.data.coor.LatLon;
66import org.openstreetmap.josm.data.osm.DataSet;
67import org.openstreetmap.josm.data.osm.OsmPrimitive;
68import org.openstreetmap.josm.data.osm.PrimitiveDeepCopy;
69import org.openstreetmap.josm.data.projection.Projection;
70import org.openstreetmap.josm.data.projection.ProjectionChangeListener;
71import org.openstreetmap.josm.data.validation.OsmValidator;
72import org.openstreetmap.josm.gui.GettingStarted;
73import org.openstreetmap.josm.gui.MainApplication.Option;
74import org.openstreetmap.josm.gui.MainMenu;
75import org.openstreetmap.josm.gui.MapFrame;
76import org.openstreetmap.josm.gui.MapFrameListener;
77import org.openstreetmap.josm.gui.MapView;
78import org.openstreetmap.josm.gui.dialogs.LayerListDialog;
79import org.openstreetmap.josm.gui.help.HelpUtil;
80import org.openstreetmap.josm.gui.io.SaveLayersDialog;
81import org.openstreetmap.josm.gui.layer.AbstractModifiableLayer;
82import org.openstreetmap.josm.gui.layer.Layer;
83import org.openstreetmap.josm.gui.layer.OsmDataLayer;
84import org.openstreetmap.josm.gui.layer.OsmDataLayer.CommandQueueListener;
85import org.openstreetmap.josm.gui.preferences.ToolbarPreferences;
86import org.openstreetmap.josm.gui.preferences.imagery.ImageryPreference;
87import org.openstreetmap.josm.gui.preferences.map.MapPaintPreference;
88import org.openstreetmap.josm.gui.preferences.projection.ProjectionPreference;
89import org.openstreetmap.josm.gui.progress.PleaseWaitProgressMonitor;
90import org.openstreetmap.josm.gui.progress.ProgressMonitorExecutor;
91import org.openstreetmap.josm.gui.tagging.TaggingPresets;
92import org.openstreetmap.josm.gui.util.RedirectInputMap;
93import org.openstreetmap.josm.gui.widgets.JMultilineLabel;
94import org.openstreetmap.josm.io.FileWatcher;
95import org.openstreetmap.josm.io.OnlineResource;
96import org.openstreetmap.josm.io.OsmApi;
97import org.openstreetmap.josm.tools.CheckParameterUtil;
98import org.openstreetmap.josm.tools.I18n;
99import org.openstreetmap.josm.tools.ImageProvider;
100import org.openstreetmap.josm.tools.OpenBrowser;
101import org.openstreetmap.josm.tools.OsmUrlToBounds;
102import org.openstreetmap.josm.tools.PlatformHook;
103import org.openstreetmap.josm.tools.PlatformHookOsx;
104import org.openstreetmap.josm.tools.PlatformHookUnixoid;
105import org.openstreetmap.josm.tools.PlatformHookWindows;
106import org.openstreetmap.josm.tools.Shortcut;
107import org.openstreetmap.josm.tools.Utils;
108import org.openstreetmap.josm.tools.WindowGeometry;
109
110/**
111 * Abstract class holding various static global variables and methods used in large parts of JOSM application.
112 * @since 98
113 */
114public abstract class Main {
115
116 /**
117 * The JOSM website URL.
118 * @since 6897 (was public from 6143 to 6896)
119 */
120 private static final String JOSM_WEBSITE = "https://josm.openstreetmap.de";
121
122 /**
123 * The OSM website URL.
124 * @since 6897 (was public from 6453 to 6896)
125 */
126 private static final String OSM_WEBSITE = "https://www.openstreetmap.org";
127
128 /**
129 * Replies true if JOSM currently displays a map view. False, if it doesn't, i.e. if
130 * it only shows the MOTD panel.
131 *
132 * @return <code>true</code> if JOSM currently displays a map view
133 */
134 public static boolean isDisplayingMapView() {
135 if (map == null) return false;
136 if (map.mapView == null) return false;
137 return true;
138 }
139
140 /**
141 * Global parent component for all dialogs and message boxes
142 */
143 public static Component parent;
144
145 /**
146 * Global application.
147 */
148 public static Main main;
149
150 /**
151 * Command-line arguments used to run the application.
152 */
153 public static String[] commandLineArgs;
154
155 /**
156 * The worker thread slave. This is for executing all long and intensive
157 * calculations. The executed runnables are guaranteed to be executed separately
158 * and sequential.
159 */
160 public static final ExecutorService worker = new ProgressMonitorExecutor();
161
162 /**
163 * Global application preferences
164 */
165 public static Preferences pref;
166
167 /**
168 * The global paste buffer.
169 */
170 public static final PrimitiveDeepCopy pasteBuffer = new PrimitiveDeepCopy();
171
172 /**
173 * The layer source from which {@link Main#pasteBuffer} data comes from.
174 */
175 public static Layer pasteSource;
176
177 /**
178 * The MapFrame. Use {@link Main#setMapFrame} to set or clear it.
179 */
180 public static MapFrame map;
181
182 /**
183 * The toolbar preference control to register new actions.
184 */
185 public static ToolbarPreferences toolbar;
186
187 /**
188 * The commands undo/redo handler.
189 */
190 public final UndoRedoHandler undoRedo = new UndoRedoHandler();
191
192 /**
193 * The progress monitor being currently displayed.
194 */
195 public static PleaseWaitProgressMonitor currentProgressMonitor;
196
197 /**
198 * The main menu bar at top of screen.
199 */
200 public MainMenu menu;
201
202 /**
203 * The data validation handler.
204 */
205 public OsmValidator validator;
206
207 /**
208 * The file watcher service.
209 */
210 public static final FileWatcher fileWatcher = new FileWatcher();
211
212 /**
213 * The MOTD Layer.
214 */
215 private GettingStarted gettingStarted = new GettingStarted();
216
217 private static final Collection<MapFrameListener> mapFrameListeners = new ArrayList<>();
218
219 protected static final Map<String, Throwable> NETWORK_ERRORS = new HashMap<>();
220
221 // First lines of last 5 error and warning messages, used for bug reports
222 private static final List<String> ERRORS_AND_WARNINGS = Collections.<String>synchronizedList(new ArrayList<String>());
223
224 private static final Set<OnlineResource> OFFLINE_RESOURCES = new HashSet<>();
225
226 /**
227 * Logging level (5 = trace, 4 = debug, 3 = info, 2 = warn, 1 = error, 0 = none).
228 * @since 6248
229 */
230 public static int logLevel = 3;
231
232 private static void rememberWarnErrorMsg(String msg) {
233 // Only remember first line of message
234 int idx = msg.indexOf('\n');
235 if (idx > 0) {
236 ERRORS_AND_WARNINGS.add(msg.substring(0, idx));
237 } else {
238 ERRORS_AND_WARNINGS.add(msg);
239 }
240 // Only keep 5 lines to avoid memory leak and incomplete stacktraces in bug reports
241 while (ERRORS_AND_WARNINGS.size() > 5) {
242 ERRORS_AND_WARNINGS.remove(0);
243 }
244 }
245
246 /**
247 * Replies the first lines of last 10 error and warning messages, used for bug reports
248 * @return the first lines of last 10 error and warning messages
249 * @since 7420
250 */
251 public static final Collection<String> getLastErrorAndWarnings() {
252 return Collections.unmodifiableList(ERRORS_AND_WARNINGS);
253 }
254
255 /**
256 * Prints an error message if logging is on.
257 * @param msg The message to print.
258 * @since 6248
259 */
260 public static void error(String msg) {
261 if (logLevel < 1)
262 return;
263 if (msg != null && !msg.isEmpty()) {
264 System.err.println(tr("ERROR: {0}", msg));
265 rememberWarnErrorMsg("E: "+msg);
266 }
267 }
268
269 /**
270 * Prints a warning message if logging is on.
271 * @param msg The message to print.
272 */
273 public static void warn(String msg) {
274 if (logLevel < 2)
275 return;
276 if (msg != null && !msg.isEmpty()) {
277 System.err.println(tr("WARNING: {0}", msg));
278 rememberWarnErrorMsg("W: "+msg);
279 }
280 }
281
282 /**
283 * Prints an informational message if logging is on.
284 * @param msg The message to print.
285 */
286 public static void info(String msg) {
287 if (logLevel < 3)
288 return;
289 if (msg != null && !msg.isEmpty()) {
290 System.out.println(tr("INFO: {0}", msg));
291 }
292 }
293
294 /**
295 * Prints a debug message if logging is on.
296 * @param msg The message to print.
297 */
298 public static void debug(String msg) {
299 if (logLevel < 4)
300 return;
301 if (msg != null && !msg.isEmpty()) {
302 System.out.println(tr("DEBUG: {0}", msg));
303 }
304 }
305
306 /**
307 * Prints a trace message if logging is on.
308 * @param msg The message to print.
309 */
310 public static void trace(String msg) {
311 if (logLevel < 5)
312 return;
313 if (msg != null && !msg.isEmpty()) {
314 System.out.print("TRACE: ");
315 System.out.println(msg);
316 }
317 }
318
319 /**
320 * Determines if debug log level is enabled.
321 * Useful to avoid costly construction of debug messages when not enabled.
322 * @return {@code true} if log level is at least debug, {@code false} otherwise
323 * @since 6852
324 */
325 public static boolean isDebugEnabled() {
326 return logLevel >= 4;
327 }
328
329 /**
330 * Determines if trace log level is enabled.
331 * Useful to avoid costly construction of trace messages when not enabled.
332 * @return {@code true} if log level is at least trace, {@code false} otherwise
333 * @since 6852
334 */
335 public static boolean isTraceEnabled() {
336 return logLevel >= 5;
337 }
338
339 /**
340 * Prints a formatted error message if logging is on. Calls {@link MessageFormat#format}
341 * function to format text.
342 * @param msg The formatted message to print.
343 * @param objects The objects to insert into format string.
344 * @since 6248
345 */
346 public static void error(String msg, Object... objects) {
347 error(MessageFormat.format(msg, objects));
348 }
349
350 /**
351 * Prints a formatted warning message if logging is on. Calls {@link MessageFormat#format}
352 * function to format text.
353 * @param msg The formatted message to print.
354 * @param objects The objects to insert into format string.
355 */
356 public static void warn(String msg, Object... objects) {
357 warn(MessageFormat.format(msg, objects));
358 }
359
360 /**
361 * Prints a formatted informational message if logging is on. Calls {@link MessageFormat#format}
362 * function to format text.
363 * @param msg The formatted message to print.
364 * @param objects The objects to insert into format string.
365 */
366 public static void info(String msg, Object... objects) {
367 info(MessageFormat.format(msg, objects));
368 }
369
370 /**
371 * Prints a formatted debug message if logging is on. Calls {@link MessageFormat#format}
372 * function to format text.
373 * @param msg The formatted message to print.
374 * @param objects The objects to insert into format string.
375 */
376 public static void debug(String msg, Object... objects) {
377 debug(MessageFormat.format(msg, objects));
378 }
379
380 /**
381 * Prints an error message for the given Throwable.
382 * @param t The throwable object causing the error
383 * @since 6248
384 */
385 public static void error(Throwable t) {
386 error(t, true);
387 }
388
389 /**
390 * Prints a warning message for the given Throwable.
391 * @param t The throwable object causing the error
392 * @since 6248
393 */
394 public static void warn(Throwable t) {
395 warn(t, true);
396 }
397
398 /**
399 * Prints an error message for the given Throwable.
400 * @param t The throwable object causing the error
401 * @param stackTrace {@code true}, if the stacktrace should be displayed
402 * @since 6642
403 */
404 public static void error(Throwable t, boolean stackTrace) {
405 error(getErrorMessage(t));
406 if (stackTrace) {
407 t.printStackTrace();
408 }
409 }
410
411 /**
412 * Prints a warning message for the given Throwable.
413 * @param t The throwable object causing the error
414 * @param stackTrace {@code true}, if the stacktrace should be displayed
415 * @since 6642
416 */
417 public static void warn(Throwable t, boolean stackTrace) {
418 warn(getErrorMessage(t));
419 if (stackTrace) {
420 t.printStackTrace();
421 }
422 }
423
424 /**
425 * Returns a human-readable message of error, also usable for developers.
426 * @param t The error
427 * @return The human-readable error message
428 * @since 6642
429 */
430 public static String getErrorMessage(Throwable t) {
431 if (t == null) {
432 return null;
433 }
434 StringBuilder sb = new StringBuilder(t.getClass().getName());
435 String msg = t.getMessage();
436 if (msg != null) {
437 sb.append(": ").append(msg.trim());
438 }
439 Throwable cause = t.getCause();
440 if (cause != null && !cause.equals(t)) {
441 sb.append(". ").append(tr("Cause: ")).append(getErrorMessage(cause));
442 }
443 return sb.toString();
444 }
445
446 /**
447 * Platform specific code goes in here.
448 * Plugins may replace it, however, some hooks will be called before any plugins have been loeaded.
449 * So if you need to hook into those early ones, split your class and send the one with the early hooks
450 * to the JOSM team for inclusion.
451 */
452 public static PlatformHook platform;
453
454 /**
455 * Whether or not the java vm is openjdk
456 * We use this to work around openjdk bugs
457 */
458 public static boolean isOpenjdk;
459
460 /**
461 * Initializes {@code Main.pref} in normal application context.
462 * @since 6471
463 */
464 public static void initApplicationPreferences() {
465 Main.pref = new Preferences();
466 }
467
468 /**
469 * Set or clear (if passed <code>null</code>) the map.
470 * @param map The map to set {@link Main#map} to. Can be null.
471 */
472 public final void setMapFrame(final MapFrame map) {
473 MapFrame old = Main.map;
474 panel.setVisible(false);
475 panel.removeAll();
476 if (map != null) {
477 map.fillPanel(panel);
478 } else {
479 old.destroy();
480 panel.add(gettingStarted, BorderLayout.CENTER);
481 }
482 panel.setVisible(true);
483 redoUndoListener.commandChanged(0,0);
484
485 Main.map = map;
486
487 for (MapFrameListener listener : mapFrameListeners ) {
488 listener.mapFrameInitialized(old, map);
489 }
490 if (map == null && currentProgressMonitor != null) {
491 currentProgressMonitor.showForegroundDialog();
492 }
493 }
494
495 /**
496 * Remove the specified layer from the map. If it is the last layer,
497 * remove the map as well.
498 * @param layer The layer to remove
499 */
500 public final synchronized void removeLayer(final Layer layer) {
501 if (map != null) {
502 map.mapView.removeLayer(layer);
503 if (isDisplayingMapView() && map.mapView.getAllLayers().isEmpty()) {
504 setMapFrame(null);
505 }
506 }
507 }
508
509 private static InitStatusListener initListener = null;
510
511 public static interface InitStatusListener {
512
513 void updateStatus(String event);
514 }
515
516 public static void setInitStatusListener(InitStatusListener listener) {
517 initListener = listener;
518 }
519
520 /**
521 * Constructs new {@code Main} object. A lot of global variables are initialized here.
522 */
523 public Main() {
524 main = this;
525 isOpenjdk = System.getProperty("java.vm.name").toUpperCase().indexOf("OPENJDK") != -1;
526
527 if (initListener != null) {
528 initListener.updateStatus(tr("Executing platform startup hook"));
529 }
530 platform.startupHook();
531
532 if (initListener != null) {
533 initListener.updateStatus(tr("Building main menu"));
534 }
535 contentPanePrivate.add(panel, BorderLayout.CENTER);
536 panel.add(gettingStarted, BorderLayout.CENTER);
537 menu = new MainMenu();
538
539 undoRedo.addCommandQueueListener(redoUndoListener);
540
541 // creating toolbar
542 contentPanePrivate.add(toolbar.control, BorderLayout.NORTH);
543
544 registerActionShortcut(menu.help, Shortcut.registerShortcut("system:help", tr("Help"),
545 KeyEvent.VK_F1, Shortcut.DIRECT));
546
547 // contains several initialization tasks to be executed (in parallel) by a ExecutorService
548 List<Callable<Void>> tasks = new ArrayList<>();
549
550 tasks.add(new InitializationTask(tr("Initializing OSM API")) {
551
552 @Override
553 public void initialize() throws Exception {
554 // We try to establish an API connection early, so that any API
555 // capabilities are already known to the editor instance. However
556 // if it goes wrong that's not critical at this stage.
557 try {
558 OsmApi.getOsmApi().initialize(null, true);
559 } catch (Exception e) {
560 Main.warn(getErrorMessage(Utils.getRootCause(e)));
561 }
562 }
563 });
564
565 tasks.add(new InitializationTask(tr("Initializing validator")) {
566
567 @Override
568 public void initialize() throws Exception {
569 validator = new OsmValidator();
570 MapView.addLayerChangeListener(validator);
571 }
572 });
573
574 tasks.add(new InitializationTask(tr("Initializing presets")) {
575
576 @Override
577 public void initialize() throws Exception {
578 TaggingPresets.initialize();
579 }
580 });
581
582 tasks.add(new InitializationTask(tr("Initializing map styles")) {
583
584 @Override
585 public void initialize() throws Exception {
586 MapPaintPreference.initialize();
587 }
588 });
589
590 tasks.add(new InitializationTask(tr("Loading imagery preferences")) {
591
592 @Override
593 public void initialize() throws Exception {
594 ImageryPreference.initialize();
595 }
596 });
597
598 try {
599 for (Future<Void> i : Executors.newFixedThreadPool(
600 Runtime.getRuntime().availableProcessors()).invokeAll(tasks)) {
601 i.get();
602 }
603 } catch (Exception ex) {
604 throw new RuntimeException(ex);
605 }
606
607 // hooks for the jmapviewer component
608 FeatureAdapter.registerBrowserAdapter(new FeatureAdapter.BrowserAdapter() {
609 @Override
610 public void openLink(String url) {
611 OpenBrowser.displayUrl(url);
612 }
613 });
614 FeatureAdapter.registerTranslationAdapter(I18n.getTranslationAdapter());
615
616 if (initListener != null) {
617 initListener.updateStatus(tr("Updating user interface"));
618 }
619
620 toolbar.refreshToolbarControl();
621
622 toolbar.control.updateUI();
623 contentPanePrivate.updateUI();
624 }
625
626 private abstract class InitializationTask implements Callable<Void> {
627
628 private final String name;
629
630 protected InitializationTask(String name) {
631 this.name = name;
632 }
633
634 public abstract void initialize() throws Exception;
635
636 @Override
637 public Void call() throws Exception {
638 if (initListener != null) {
639 initListener.updateStatus(name);
640 }
641 final long startTime = System.currentTimeMillis();
642 initialize();
643 if (isDebugEnabled()) {
644 final long elapsedTime = System.currentTimeMillis() - startTime;
645 Main.debug(tr("{0} completed in {1}", name, Utils.getDurationString(elapsedTime)));
646 }
647 return null;
648 }
649 }
650
651 /**
652 * Add a new layer to the map. If no map exists, create one.
653 */
654 public final synchronized void addLayer(final Layer layer) {
655 boolean noMap = map == null;
656 if (noMap) {
657 createMapFrame(layer, null);
658 }
659 layer.hookUpMapView();
660 map.mapView.addLayer(layer);
661 if (noMap) {
662 Main.map.setVisible(true);
663 }
664 }
665
666 public synchronized void createMapFrame(Layer firstLayer, ViewportData viewportData) {
667 MapFrame mapFrame = new MapFrame(contentPanePrivate, viewportData);
668 setMapFrame(mapFrame);
669 if (firstLayer != null) {
670 mapFrame.selectMapMode((MapMode)mapFrame.getDefaultButtonAction(), firstLayer);
671 }
672 mapFrame.initializeDialogsPane();
673 // bootstrapping problem: make sure the layer list dialog is going to
674 // listen to change events of the very first layer
675 //
676 if (firstLayer != null) {
677 firstLayer.addPropertyChangeListener(LayerListDialog.getInstance().getModel());
678 }
679 }
680
681 /**
682 * Replies <code>true</code> if there is an edit layer
683 *
684 * @return <code>true</code> if there is an edit layer
685 */
686 public boolean hasEditLayer() {
687 if (getEditLayer() == null) return false;
688 return true;
689 }
690
691 /**
692 * Replies the current edit layer
693 *
694 * @return the current edit layer. <code>null</code>, if no current edit layer exists
695 */
696 public OsmDataLayer getEditLayer() {
697 if (!isDisplayingMapView()) return null;
698 return map.mapView.getEditLayer();
699 }
700
701 /**
702 * Replies the current data set.
703 *
704 * @return the current data set. <code>null</code>, if no current data set exists
705 */
706 public DataSet getCurrentDataSet() {
707 if (!hasEditLayer()) return null;
708 return getEditLayer().data;
709 }
710
711 /**
712 * Replies the current selected primitives, from a end-user point of view.
713 * It is not always technically the same collection of primitives than {@link DataSet#getSelected()}.
714 * Indeed, if the user is currently in drawing mode, only the way currently being drawn is returned,
715 * see {@link DrawAction#getInProgressSelection()}.
716 *
717 * @return The current selected primitives, from a end-user point of view. Can be {@code null}.
718 * @since 6546
719 */
720 public Collection<OsmPrimitive> getInProgressSelection() {
721 if (map != null && map.mapMode instanceof DrawAction) {
722 return ((DrawAction) map.mapMode).getInProgressSelection();
723 } else {
724 DataSet ds = getCurrentDataSet();
725 if (ds == null) return null;
726 return ds.getSelected();
727 }
728 }
729
730 /**
731 * Returns the currently active layer
732 *
733 * @return the currently active layer. <code>null</code>, if currently no active layer exists
734 */
735 public Layer getActiveLayer() {
736 if (!isDisplayingMapView()) return null;
737 return map.mapView.getActiveLayer();
738 }
739
740 protected static final JPanel contentPanePrivate = new JPanel(new BorderLayout());
741
742 public static void redirectToMainContentPane(JComponent source) {
743 RedirectInputMap.redirect(source, contentPanePrivate);
744 }
745
746 public static void registerActionShortcut(JosmAction action) {
747 registerActionShortcut(action, action.getShortcut());
748 }
749
750 public static void registerActionShortcut(Action action, Shortcut shortcut) {
751 KeyStroke keyStroke = shortcut.getKeyStroke();
752 if (keyStroke == null)
753 return;
754
755 InputMap inputMap = contentPanePrivate.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW);
756 Object existing = inputMap.get(keyStroke);
757 if (existing != null && !existing.equals(action)) {
758 info(String.format("Keystroke %s is already assigned to %s, will be overridden by %s", keyStroke, existing, action));
759 }
760 inputMap.put(keyStroke, action);
761
762 contentPanePrivate.getActionMap().put(action, action);
763 }
764
765 public static void unregisterShortcut(Shortcut shortcut) {
766 contentPanePrivate.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).remove(shortcut.getKeyStroke());
767 }
768
769 public static void unregisterActionShortcut(JosmAction action) {
770 unregisterActionShortcut(action, action.getShortcut());
771 }
772
773 public static void unregisterActionShortcut(Action action, Shortcut shortcut) {
774 unregisterShortcut(shortcut);
775 contentPanePrivate.getActionMap().remove(action);
776 }
777
778 /**
779 * Replies the registered action for the given shortcut
780 * @param shortcut The shortcut to look for
781 * @return the registered action for the given shortcut
782 * @since 5696
783 */
784 public static Action getRegisteredActionShortcut(Shortcut shortcut) {
785 KeyStroke keyStroke = shortcut.getKeyStroke();
786 if (keyStroke == null)
787 return null;
788 Object action = contentPanePrivate.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).get(keyStroke);
789 if (action instanceof Action)
790 return (Action) action;
791 return null;
792 }
793
794 ///////////////////////////////////////////////////////////////////////////
795 // Implementation part
796 ///////////////////////////////////////////////////////////////////////////
797
798 /**
799 * Global panel.
800 */
801 public static final JPanel panel = new JPanel(new BorderLayout());
802
803 protected static WindowGeometry geometry;
804 protected static int windowState = JFrame.NORMAL;
805
806 private final CommandQueueListener redoUndoListener = new CommandQueueListener(){
807 @Override
808 public void commandChanged(final int queueSize, final int redoSize) {
809 menu.undo.setEnabled(queueSize > 0);
810 menu.redo.setEnabled(redoSize > 0);
811 }
812 };
813
814 /**
815 * Should be called before the main constructor to setup some parameter stuff
816 * @param args The parsed argument list.
817 */
818 public static void preConstructorInit(Map<Option, Collection<String>> args) {
819 ProjectionPreference.setProjection();
820
821 try {
822 String defaultlaf = platform.getDefaultStyle();
823 String laf = Main.pref.get("laf", defaultlaf);
824 try {
825 UIManager.setLookAndFeel(laf);
826 }
827 catch (final NoClassDefFoundError | ClassNotFoundException e) {
828 info("Look and Feel not found: " + laf);
829 Main.pref.put("laf", defaultlaf);
830 }
831 catch (final UnsupportedLookAndFeelException e) {
832 info("Look and Feel not supported: " + laf);
833 Main.pref.put("laf", defaultlaf);
834 }
835 toolbar = new ToolbarPreferences();
836 contentPanePrivate.updateUI();
837 panel.updateUI();
838 } catch (final Exception e) {
839 error(e);
840 }
841 UIManager.put("OptionPane.okIcon", ImageProvider.get("ok"));
842 UIManager.put("OptionPane.yesIcon", UIManager.get("OptionPane.okIcon"));
843 UIManager.put("OptionPane.cancelIcon", ImageProvider.get("cancel"));
844 UIManager.put("OptionPane.noIcon", UIManager.get("OptionPane.cancelIcon"));
845
846 I18n.translateJavaInternalMessages();
847
848 // init default coordinate format
849 //
850 try {
851 CoordinateFormat.setCoordinateFormat(CoordinateFormat.valueOf(Main.pref.get("coordinates")));
852 } catch (IllegalArgumentException iae) {
853 CoordinateFormat.setCoordinateFormat(CoordinateFormat.DECIMAL_DEGREES);
854 }
855
856 geometry = WindowGeometry.mainWindow("gui.geometry",
857 (args.containsKey(Option.GEOMETRY) ? args.get(Option.GEOMETRY).iterator().next() : null),
858 !args.containsKey(Option.NO_MAXIMIZE) && Main.pref.getBoolean("gui.maximized", false));
859 }
860
861 protected static void postConstructorProcessCmdLine(Map<Option, Collection<String>> args) {
862 if (args.containsKey(Option.DOWNLOAD)) {
863 List<File> fileList = new ArrayList<>();
864 for (String s : args.get(Option.DOWNLOAD)) {
865 File f = null;
866 switch(paramType(s)) {
867 case httpUrl:
868 downloadFromParamHttp(false, s);
869 break;
870 case bounds:
871 downloadFromParamBounds(false, s);
872 break;
873 case fileUrl:
874 try {
875 f = new File(new URI(s));
876 } catch (URISyntaxException e) {
877 JOptionPane.showMessageDialog(
878 Main.parent,
879 tr("Ignoring malformed file URL: \"{0}\"", s),
880 tr("Warning"),
881 JOptionPane.WARNING_MESSAGE
882 );
883 }
884 if (f!=null) {
885 fileList.add(f);
886 }
887 break;
888 case fileName:
889 f = new File(s);
890 fileList.add(f);
891 break;
892 }
893 }
894 if(!fileList.isEmpty())
895 {
896 OpenFileAction.openFiles(fileList, true);
897 }
898 }
899 if (args.containsKey(Option.DOWNLOADGPS)) {
900 for (String s : args.get(Option.DOWNLOADGPS)) {
901 switch(paramType(s)) {
902 case httpUrl:
903 downloadFromParamHttp(true, s);
904 break;
905 case bounds:
906 downloadFromParamBounds(true, s);
907 break;
908 case fileUrl:
909 case fileName:
910 JOptionPane.showMessageDialog(
911 Main.parent,
912 tr("Parameter \"downloadgps\" does not accept file names or file URLs"),
913 tr("Warning"),
914 JOptionPane.WARNING_MESSAGE
915 );
916 }
917 }
918 }
919 if (args.containsKey(Option.SELECTION)) {
920 for (String s : args.get(Option.SELECTION)) {
921 SearchAction.search(s, SearchAction.SearchMode.add);
922 }
923 }
924 }
925
926 /**
927 * Asks user to perform "save layer" operations (save on disk and/or upload data to server) for all {@link AbstractModifiableLayer} before JOSM exits.
928 * @return {@code true} if there was nothing to save, or if the user wants to proceed to save operations. {@code false} if the user cancels.
929 * @since 2025
930 */
931 public static boolean saveUnsavedModifications() {
932 if (!isDisplayingMapView()) return true;
933 return saveUnsavedModifications(map.mapView.getLayersOfType(AbstractModifiableLayer.class), true);
934 }
935
936 /**
937 * Asks user to perform "save layer" operations (save on disk and/or upload data to server) before data layers deletion.
938 *
939 * @param selectedLayers The layers to check. Only instances of {@link AbstractModifiableLayer} are considered.
940 * @param exit {@code true} if JOSM is exiting, {@code false} otherwise.
941 * @return {@code true} if there was nothing to save, or if the user wants to proceed to save operations. {@code false} if the user cancels.
942 * @since 5519
943 */
944 public static boolean saveUnsavedModifications(Iterable<? extends Layer> selectedLayers, boolean exit) {
945 SaveLayersDialog dialog = new SaveLayersDialog(parent);
946 List<AbstractModifiableLayer> layersWithUnmodifiedChanges = new ArrayList<>();
947 for (Layer l: selectedLayers) {
948 if (!(l instanceof AbstractModifiableLayer)) {
949 continue;
950 }
951 AbstractModifiableLayer odl = (AbstractModifiableLayer)l;
952 if ((odl.requiresSaveToFile() || (odl.requiresUploadToServer() && !odl.isUploadDiscouraged())) && odl.isModified()) {
953 layersWithUnmodifiedChanges.add(odl);
954 }
955 }
956 if (exit) {
957 dialog.prepareForSavingAndUpdatingLayersBeforeExit();
958 } else {
959 dialog.prepareForSavingAndUpdatingLayersBeforeDelete();
960 }
961 if (!layersWithUnmodifiedChanges.isEmpty()) {
962 dialog.getModel().populate(layersWithUnmodifiedChanges);
963 dialog.setVisible(true);
964 switch(dialog.getUserAction()) {
965 case CANCEL: return false;
966 case PROCEED: return true;
967 default: return false;
968 }
969 }
970
971 return true;
972 }
973
974 /**
975 * Closes JOSM and optionally terminates the Java Virtual Machine (JVM). If there are some unsaved data layers, asks first for user confirmation.
976 * @param exit If {@code true}, the JVM is terminated by running {@link System#exit} with a given return code.
977 * @param exitCode The return code
978 * @return {@code true} if JOSM has been closed, {@code false} if the user has cancelled the operation.
979 * @since 3378
980 */
981 public static boolean exitJosm(boolean exit, int exitCode) {
982 if (Main.saveUnsavedModifications()) {
983 geometry.remember("gui.geometry");
984 if (map != null) {
985 map.rememberToggleDialogWidth();
986 }
987 pref.put("gui.maximized", (windowState & JFrame.MAXIMIZED_BOTH) != 0);
988 // Remove all layers because somebody may rely on layerRemoved events (like AutosaveTask)
989 if (Main.isDisplayingMapView()) {
990 Collection<Layer> layers = new ArrayList<>(Main.map.mapView.getAllLayers());
991 for (Layer l: layers) {
992 Main.main.removeLayer(l);
993 }
994 }
995 if (exit) {
996 System.exit(exitCode);
997 }
998 return true;
999 }
1000 return false;
1001 }
1002
1003 /**
1004 * The type of a command line parameter, to be used in switch statements.
1005 * @see #paramType
1006 */
1007 private enum DownloadParamType { httpUrl, fileUrl, bounds, fileName }
1008
1009 /**
1010 * Guess the type of a parameter string specified on the command line with --download= or --downloadgps.
1011 * @param s A parameter string
1012 * @return The guessed parameter type
1013 */
1014 private static DownloadParamType paramType(String s) {
1015 if(s.startsWith("http:") || s.startsWith("https:")) return DownloadParamType.httpUrl;
1016 if(s.startsWith("file:")) return DownloadParamType.fileUrl;
1017 String coorPattern = "\\s*[+-]?[0-9]+(\\.[0-9]+)?\\s*";
1018 if(s.matches(coorPattern+"(,"+coorPattern+"){3}")) return DownloadParamType.bounds;
1019 // everything else must be a file name
1020 return DownloadParamType.fileName;
1021 }
1022
1023 /**
1024 * Download area specified on the command line as OSM URL.
1025 * @param rawGps Flag to download raw GPS tracks
1026 * @param s The URL parameter
1027 */
1028 private static void downloadFromParamHttp(final boolean rawGps, String s) {
1029 final Bounds b = OsmUrlToBounds.parse(s);
1030 if (b == null) {
1031 JOptionPane.showMessageDialog(
1032 Main.parent,
1033 tr("Ignoring malformed URL: \"{0}\"", s),
1034 tr("Warning"),
1035 JOptionPane.WARNING_MESSAGE
1036 );
1037 } else {
1038 downloadFromParamBounds(rawGps, b);
1039 }
1040 }
1041
1042 /**
1043 * Download area specified on the command line as bounds string.
1044 * @param rawGps Flag to download raw GPS tracks
1045 * @param s The bounds parameter
1046 */
1047 private static void downloadFromParamBounds(final boolean rawGps, String s) {
1048 final StringTokenizer st = new StringTokenizer(s, ",");
1049 if (st.countTokens() == 4) {
1050 Bounds b = new Bounds(
1051 new LatLon(Double.parseDouble(st.nextToken()),Double.parseDouble(st.nextToken())),
1052 new LatLon(Double.parseDouble(st.nextToken()),Double.parseDouble(st.nextToken()))
1053 );
1054 downloadFromParamBounds(rawGps, b);
1055 }
1056 }
1057
1058 /**
1059 * Download area specified as Bounds value.
1060 * @param rawGps Flag to download raw GPS tracks
1061 * @param b The bounds value
1062 * @see #downloadFromParamBounds(boolean, String)
1063 * @see #downloadFromParamHttp
1064 */
1065 private static void downloadFromParamBounds(final boolean rawGps, Bounds b) {
1066 DownloadTask task = rawGps ? new DownloadGpsTask() : new DownloadOsmTask();
1067 // asynchronously launch the download task ...
1068 Future<?> future = task.download(true, b, null);
1069 // ... and the continuation when the download is finished (this will wait for the download to finish)
1070 Main.worker.execute(new PostDownloadHandler(task, future));
1071 }
1072
1073 /**
1074 * Identifies the current operating system family and initializes the platform hook accordingly.
1075 * @since 1849
1076 */
1077 public static void determinePlatformHook() {
1078 String os = System.getProperty("os.name");
1079 if (os == null) {
1080 warn("Your operating system has no name, so I'm guessing its some kind of *nix.");
1081 platform = new PlatformHookUnixoid();
1082 } else if (os.toLowerCase().startsWith("windows")) {
1083 platform = new PlatformHookWindows();
1084 } else if ("Linux".equals(os) || "Solaris".equals(os) ||
1085 "SunOS".equals(os) || "AIX".equals(os) ||
1086 "FreeBSD".equals(os) || "NetBSD".equals(os) || "OpenBSD".equals(os)) {
1087 platform = new PlatformHookUnixoid();
1088 } else if (os.toLowerCase().startsWith("mac os x")) {
1089 platform = new PlatformHookOsx();
1090 } else {
1091 warn("I don't know your operating system '"+os+"', so I'm guessing its some kind of *nix.");
1092 platform = new PlatformHookUnixoid();
1093 }
1094 }
1095
1096 private static class WindowPositionSizeListener extends WindowAdapter implements
1097 ComponentListener {
1098 @Override
1099 public void windowStateChanged(WindowEvent e) {
1100 Main.windowState = e.getNewState();
1101 }
1102
1103 @Override
1104 public void componentHidden(ComponentEvent e) {
1105 }
1106
1107 @Override
1108 public void componentMoved(ComponentEvent e) {
1109 handleComponentEvent(e);
1110 }
1111
1112 @Override
1113 public void componentResized(ComponentEvent e) {
1114 handleComponentEvent(e);
1115 }
1116
1117 @Override
1118 public void componentShown(ComponentEvent e) {
1119 }
1120
1121 private void handleComponentEvent(ComponentEvent e) {
1122 Component c = e.getComponent();
1123 if (c instanceof JFrame && c.isVisible()) {
1124 if(Main.windowState == JFrame.NORMAL) {
1125 Main.geometry = new WindowGeometry((JFrame) c);
1126 } else {
1127 Main.geometry.fixScreen((JFrame) c);
1128 }
1129 }
1130 }
1131 }
1132
1133 protected static void addListener() {
1134 parent.addComponentListener(new WindowPositionSizeListener());
1135 ((JFrame)parent).addWindowStateListener(new WindowPositionSizeListener());
1136 }
1137
1138 /**
1139 * Checks that JOSM is at least running with Java 7.
1140 * @since 7001
1141 */
1142 public static void checkJavaVersion() {
1143 String version = System.getProperty("java.version");
1144 if (version != null) {
1145 if (version.matches("^(1\\.)?[789].*"))
1146 return;
1147 if (version.matches("^(1\\.)?[56].*")) {
1148 JMultilineLabel ho = new JMultilineLabel("<html>"+
1149 tr("<h2>JOSM requires Java version {0}.</h2>"+
1150 "Detected Java version: {1}.<br>"+
1151 "You can <ul><li>update your Java (JRE) or</li>"+
1152 "<li>use an earlier (Java {2} compatible) version of JOSM.</li></ul>"+
1153 "More Info:", "7", version, "6")+"</html>");
1154 JTextArea link = new JTextArea(HelpUtil.getWikiBaseHelpUrl()+"/Help/SystemRequirements");
1155 link.setEditable(false);
1156 link.setBackground(panel.getBackground());
1157 JPanel panel = new JPanel(new GridBagLayout());
1158 GridBagConstraints gbc = new GridBagConstraints();
1159 gbc.gridwidth = GridBagConstraints.REMAINDER;
1160 gbc.anchor = GridBagConstraints.WEST;
1161 gbc.weightx = 1.0;
1162 panel.add(ho, gbc);
1163 panel.add(link, gbc);
1164 final String EXIT = tr("Exit JOSM");
1165 final String CONTINUE = tr("Continue, try anyway");
1166 int ret = JOptionPane.showOptionDialog(null, panel, tr("Error"), JOptionPane.YES_NO_OPTION,
1167 JOptionPane.ERROR_MESSAGE, null, new String[] {EXIT, CONTINUE}, EXIT);
1168 if (ret == 0) {
1169 System.exit(0);
1170 }
1171 return;
1172 }
1173 }
1174 error("Could not recognize Java Version: "+version);
1175 }
1176
1177 /* ----------------------------------------------------------------------------------------- */
1178 /* projection handling - Main is a registry for a single, global projection instance */
1179 /* */
1180 /* TODO: For historical reasons the registry is implemented by Main. An alternative approach */
1181 /* would be a singleton org.openstreetmap.josm.data.projection.ProjectionRegistry class. */
1182 /* ----------------------------------------------------------------------------------------- */
1183 /**
1184 * The projection method used.
1185 * use {@link #getProjection()} and {@link #setProjection(Projection)} for access.
1186 * Use {@link #setProjection(Projection)} in order to trigger a projection change event.
1187 */
1188 private static Projection proj;
1189
1190 /**
1191 * Replies the current projection.
1192 *
1193 * @return the currently active projection
1194 */
1195 public static Projection getProjection() {
1196 return proj;
1197 }
1198
1199 /**
1200 * Sets the current projection
1201 *
1202 * @param p the projection
1203 */
1204 public static void setProjection(Projection p) {
1205 CheckParameterUtil.ensureParameterNotNull(p);
1206 Projection oldValue = proj;
1207 Bounds b = isDisplayingMapView() ? map.mapView.getRealBounds() : null;
1208 proj = p;
1209 fireProjectionChanged(oldValue, proj, b);
1210 }
1211
1212 /*
1213 * Keep WeakReferences to the listeners. This relieves clients from the burden of
1214 * explicitly removing the listeners and allows us to transparently register every
1215 * created dataset as projection change listener.
1216 */
1217 private static final List<WeakReference<ProjectionChangeListener>> listeners = new ArrayList<>();
1218
1219 private static void fireProjectionChanged(Projection oldValue, Projection newValue, Bounds oldBounds) {
1220 if (newValue == null ^ oldValue == null
1221 || (newValue != null && oldValue != null && !Objects.equals(newValue.toCode(), oldValue.toCode()))) {
1222
1223 synchronized(Main.class) {
1224 Iterator<WeakReference<ProjectionChangeListener>> it = listeners.iterator();
1225 while (it.hasNext()){
1226 WeakReference<ProjectionChangeListener> wr = it.next();
1227 ProjectionChangeListener listener = wr.get();
1228 if (listener == null) {
1229 it.remove();
1230 continue;
1231 }
1232 listener.projectionChanged(oldValue, newValue);
1233 }
1234 }
1235 if (newValue != null && oldBounds != null) {
1236 Main.map.mapView.zoomTo(oldBounds);
1237 }
1238 /* TODO - remove layers with fixed projection */
1239 }
1240 }
1241
1242 /**
1243 * Register a projection change listener.
1244 *
1245 * @param listener the listener. Ignored if <code>null</code>.
1246 */
1247 public static void addProjectionChangeListener(ProjectionChangeListener listener) {
1248 if (listener == null) return;
1249 synchronized (Main.class) {
1250 for (WeakReference<ProjectionChangeListener> wr : listeners) {
1251 // already registered ? => abort
1252 if (wr.get() == listener) return;
1253 }
1254 listeners.add(new WeakReference<>(listener));
1255 }
1256 }
1257
1258 /**
1259 * Removes a projection change listener.
1260 *
1261 * @param listener the listener. Ignored if <code>null</code>.
1262 */
1263 public static void removeProjectionChangeListener(ProjectionChangeListener listener) {
1264 if (listener == null) return;
1265 synchronized(Main.class){
1266 Iterator<WeakReference<ProjectionChangeListener>> it = listeners.iterator();
1267 while (it.hasNext()){
1268 WeakReference<ProjectionChangeListener> wr = it.next();
1269 // remove the listener - and any other listener which got garbage
1270 // collected in the meantime
1271 if (wr.get() == null || wr.get() == listener) {
1272 it.remove();
1273 }
1274 }
1275 }
1276 }
1277
1278 /**
1279 * Listener for window switch events.
1280 *
1281 * These are events, when the user activates a window of another application
1282 * or comes back to JOSM. Window switches from one JOSM window to another
1283 * are not reported.
1284 */
1285 public static interface WindowSwitchListener {
1286 /**
1287 * Called when the user activates a window of another application.
1288 */
1289 void toOtherApplication();
1290 /**
1291 * Called when the user comes from a window of another application
1292 * back to JOSM.
1293 */
1294 void fromOtherApplication();
1295 }
1296
1297 private static final List<WeakReference<WindowSwitchListener>> windowSwitchListeners = new ArrayList<>();
1298
1299 /**
1300 * Register a window switch listener.
1301 *
1302 * @param listener the listener. Ignored if <code>null</code>.
1303 */
1304 public static void addWindowSwitchListener(WindowSwitchListener listener) {
1305 if (listener == null) return;
1306 synchronized (Main.class) {
1307 for (WeakReference<WindowSwitchListener> wr : windowSwitchListeners) {
1308 // already registered ? => abort
1309 if (wr.get() == listener) return;
1310 }
1311 boolean wasEmpty = windowSwitchListeners.isEmpty();
1312 windowSwitchListeners.add(new WeakReference<>(listener));
1313 if (wasEmpty) {
1314 // The following call will have no effect, when there is no window
1315 // at the time. Therefore, MasterWindowListener.setup() will also be
1316 // called, as soon as the main window is shown.
1317 MasterWindowListener.setup();
1318 }
1319 }
1320 }
1321
1322 /**
1323 * Removes a window switch listener.
1324 *
1325 * @param listener the listener. Ignored if <code>null</code>.
1326 */
1327 public static void removeWindowSwitchListener(WindowSwitchListener listener) {
1328 if (listener == null) return;
1329 synchronized (Main.class){
1330 Iterator<WeakReference<WindowSwitchListener>> it = windowSwitchListeners.iterator();
1331 while (it.hasNext()){
1332 WeakReference<WindowSwitchListener> wr = it.next();
1333 // remove the listener - and any other listener which got garbage
1334 // collected in the meantime
1335 if (wr.get() == null || wr.get() == listener) {
1336 it.remove();
1337 }
1338 }
1339 if (windowSwitchListeners.isEmpty()) {
1340 MasterWindowListener.teardown();
1341 }
1342 }
1343 }
1344
1345 /**
1346 * WindowListener, that is registered on all Windows of the application.
1347 *
1348 * Its purpose is to notify WindowSwitchListeners, that the user switches to
1349 * another application, e.g. a browser, or back to JOSM.
1350 *
1351 * When changing from JOSM to another application and back (e.g. two times
1352 * alt+tab), the active Window within JOSM may be different.
1353 * Therefore, we need to register listeners to <strong>all</strong> (visible)
1354 * Windows in JOSM, and it does not suffice to monitor the one that was
1355 * deactivated last.
1356 *
1357 * This class is only "active" on demand, i.e. when there is at least one
1358 * WindowSwitchListener registered.
1359 */
1360 protected static class MasterWindowListener extends WindowAdapter {
1361
1362 private static MasterWindowListener INSTANCE;
1363
1364 public static MasterWindowListener getInstance() {
1365 if (INSTANCE == null) {
1366 INSTANCE = new MasterWindowListener();
1367 }
1368 return INSTANCE;
1369 }
1370
1371 /**
1372 * Register listeners to all non-hidden windows.
1373 *
1374 * Windows that are created later, will be cared for in {@link #windowDeactivated(WindowEvent)}.
1375 */
1376 public static void setup() {
1377 if (!windowSwitchListeners.isEmpty()) {
1378 for (Window w : Window.getWindows()) {
1379 if (w.isShowing()) {
1380 if (!Arrays.asList(w.getWindowListeners()).contains(getInstance())) {
1381 w.addWindowListener(getInstance());
1382 }
1383 }
1384 }
1385 }
1386 }
1387
1388 /**
1389 * Unregister all listeners.
1390 */
1391 public static void teardown() {
1392 for (Window w : Window.getWindows()) {
1393 w.removeWindowListener(getInstance());
1394 }
1395 }
1396
1397 @Override
1398 public void windowActivated(WindowEvent e) {
1399 if (e.getOppositeWindow() == null) { // we come from a window of a different application
1400 // fire WindowSwitchListeners
1401 synchronized (Main.class) {
1402 Iterator<WeakReference<WindowSwitchListener>> it = windowSwitchListeners.iterator();
1403 while (it.hasNext()){
1404 WeakReference<WindowSwitchListener> wr = it.next();
1405 WindowSwitchListener listener = wr.get();
1406 if (listener == null) {
1407 it.remove();
1408 continue;
1409 }
1410 listener.fromOtherApplication();
1411 }
1412 }
1413 }
1414 }
1415
1416 @Override
1417 public void windowDeactivated(WindowEvent e) {
1418 // set up windows that have been created in the meantime
1419 for (Window w : Window.getWindows()) {
1420 if (!w.isShowing()) {
1421 w.removeWindowListener(getInstance());
1422 } else {
1423 if (!Arrays.asList(w.getWindowListeners()).contains(getInstance())) {
1424 w.addWindowListener(getInstance());
1425 }
1426 }
1427 }
1428 if (e.getOppositeWindow() == null) { // we go to a window of a different application
1429 // fire WindowSwitchListeners
1430 synchronized (Main.class) {
1431 Iterator<WeakReference<WindowSwitchListener>> it = windowSwitchListeners.iterator();
1432 while (it.hasNext()){
1433 WeakReference<WindowSwitchListener> wr = it.next();
1434 WindowSwitchListener listener = wr.get();
1435 if (listener == null) {
1436 it.remove();
1437 continue;
1438 }
1439 listener.toOtherApplication();
1440 }
1441 }
1442 }
1443 }
1444 }
1445
1446 /**
1447 * Registers a new {@code MapFrameListener} that will be notified of MapFrame changes
1448 * @param listener The MapFrameListener
1449 * @return {@code true} if the listeners collection changed as a result of the call
1450 * @since 5957
1451 */
1452 public static boolean addMapFrameListener(MapFrameListener listener) {
1453 return listener != null ? mapFrameListeners.add(listener) : false;
1454 }
1455
1456 /**
1457 * Unregisters the given {@code MapFrameListener} from MapFrame changes
1458 * @param listener The MapFrameListener
1459 * @return {@code true} if the listeners collection changed as a result of the call
1460 * @since 5957
1461 */
1462 public static boolean removeMapFrameListener(MapFrameListener listener) {
1463 return listener != null ? mapFrameListeners.remove(listener) : false;
1464 }
1465
1466 /**
1467 * Adds a new network error that occur to give a hint about broken Internet connection.
1468 * Do not use this method for errors known for sure thrown because of a bad proxy configuration.
1469 *
1470 * @param url The accessed URL that caused the error
1471 * @param t The network error
1472 * @return The previous error associated to the given resource, if any. Can be {@code null}
1473 * @since 6642
1474 */
1475 public static Throwable addNetworkError(URL url, Throwable t) {
1476 if (url != null && t != null) {
1477 Throwable old = addNetworkError(url.toExternalForm(), t);
1478 if (old != null) {
1479 Main.warn("Already here "+old);
1480 }
1481 return old;
1482 }
1483 return null;
1484 }
1485
1486 /**
1487 * Adds a new network error that occur to give a hint about broken Internet connection.
1488 * Do not use this method for errors known for sure thrown because of a bad proxy configuration.
1489 *
1490 * @param url The accessed URL that caused the error
1491 * @param t The network error
1492 * @return The previous error associated to the given resource, if any. Can be {@code null}
1493 * @since 6642
1494 */
1495 public static Throwable addNetworkError(String url, Throwable t) {
1496 if (url != null && t != null) {
1497 return NETWORK_ERRORS.put(url, t);
1498 }
1499 return null;
1500 }
1501
1502 /**
1503 * Returns the network errors that occured until now.
1504 * @return the network errors that occured until now, indexed by URL
1505 * @since 6639
1506 */
1507 public static Map<String, Throwable> getNetworkErrors() {
1508 return new HashMap<>(NETWORK_ERRORS);
1509 }
1510
1511 /**
1512 * Returns the JOSM website URL.
1513 * @return the josm website URL
1514 * @since 6897
1515 */
1516 public static String getJOSMWebsite() {
1517 if (Main.pref != null)
1518 return Main.pref.get("josm.url", JOSM_WEBSITE);
1519 return JOSM_WEBSITE;
1520 }
1521
1522 /**
1523 * Returns the JOSM XML URL.
1524 * @return the josm XML URL
1525 * @since 6897
1526 */
1527 public static String getXMLBase() {
1528 // Always return HTTP (issues reported with HTTPS)
1529 return "http://josm.openstreetmap.de";
1530 }
1531
1532 /**
1533 * Returns the OSM website URL.
1534 * @return the OSM website URL
1535 * @since 6897
1536 */
1537 public static String getOSMWebsite() {
1538 if (Main.pref != null)
1539 return Main.pref.get("osm.url", OSM_WEBSITE);
1540 return OSM_WEBSITE;
1541 }
1542
1543 /**
1544 * Determines if we are currently running on OSX.
1545 * @return {@code true} if we are currently running on OSX
1546 * @since 6957
1547 */
1548 public static boolean isPlatformOsx() {
1549 return Main.platform instanceof PlatformHookOsx;
1550 }
1551
1552 /**
1553 * Determines if we are currently running on Windows.
1554 * @return {@code true} if we are currently running on Windows
1555 * @since 7335
1556 */
1557 public static boolean isPlatformWindows() {
1558 return Main.platform instanceof PlatformHookWindows;
1559 }
1560
1561 /**
1562 * Determines if the given online resource is currently offline.
1563 * @param r the online resource
1564 * @return {@code true} if {@code r} is offline and should not be accessed
1565 * @since 7434
1566 */
1567 public static boolean isOffline(OnlineResource r) {
1568 return OFFLINE_RESOURCES.contains(r) || OFFLINE_RESOURCES.contains(OnlineResource.ALL);
1569 }
1570
1571 /**
1572 * Sets the given online resource to offline state.
1573 * @param r the online resource
1574 * @return {@code true} if {@code r} was not already offline
1575 * @since 7434
1576 */
1577 public static boolean setOffline(OnlineResource r) {
1578 return OFFLINE_RESOURCES.add(r);
1579 }
1580
1581 /**
1582 * Replies the set of online resources currently offline.
1583 * @return the set of online resources currently offline
1584 * @since 7434
1585 */
1586 public static Set<OnlineResource> getOfflineResources() {
1587 return new HashSet<>(OFFLINE_RESOURCES);
1588 }
1589}
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