source: josm/trunk/src/org/openstreetmap/josm/Main.java@ 9579

Last change on this file since 9579 was 9276, checked in by simon04, 8 years ago

fix #12283 - Download notes in current view: fix NPE
  • Property svn:eol-style set to native
File size: 65.0 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.Locale;
31import java.util.Map;
32import java.util.Objects;
33import java.util.Set;
34import java.util.StringTokenizer;
35import java.util.concurrent.Callable;
36import java.util.concurrent.ExecutorService;
37import java.util.concurrent.Executors;
38import java.util.concurrent.Future;
39import java.util.logging.Handler;
40import java.util.logging.Level;
41import java.util.logging.LogRecord;
42import java.util.logging.Logger;
43
44import javax.swing.Action;
45import javax.swing.InputMap;
46import javax.swing.JComponent;
47import javax.swing.JFrame;
48import javax.swing.JOptionPane;
49import javax.swing.JPanel;
50import javax.swing.JTextArea;
51import javax.swing.KeyStroke;
52import javax.swing.LookAndFeel;
53import javax.swing.UIManager;
54import javax.swing.UnsupportedLookAndFeelException;
55
56import org.openstreetmap.gui.jmapviewer.FeatureAdapter;
57import org.openstreetmap.josm.actions.JosmAction;
58import org.openstreetmap.josm.actions.OpenFileAction;
59import org.openstreetmap.josm.actions.OpenLocationAction;
60import org.openstreetmap.josm.actions.downloadtasks.DownloadGpsTask;
61import org.openstreetmap.josm.actions.downloadtasks.DownloadOsmTask;
62import org.openstreetmap.josm.actions.downloadtasks.DownloadTask;
63import org.openstreetmap.josm.actions.downloadtasks.PostDownloadHandler;
64import org.openstreetmap.josm.actions.mapmode.DrawAction;
65import org.openstreetmap.josm.actions.mapmode.MapMode;
66import org.openstreetmap.josm.actions.search.SearchAction;
67import org.openstreetmap.josm.data.Bounds;
68import org.openstreetmap.josm.data.Preferences;
69import org.openstreetmap.josm.data.ProjectionBounds;
70import org.openstreetmap.josm.data.UndoRedoHandler;
71import org.openstreetmap.josm.data.ViewportData;
72import org.openstreetmap.josm.data.cache.JCSCacheManager;
73import org.openstreetmap.josm.data.coor.CoordinateFormat;
74import org.openstreetmap.josm.data.coor.LatLon;
75import org.openstreetmap.josm.data.osm.DataSet;
76import org.openstreetmap.josm.data.osm.OsmPrimitive;
77import org.openstreetmap.josm.data.osm.PrimitiveDeepCopy;
78import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor;
79import org.openstreetmap.josm.data.projection.Projection;
80import org.openstreetmap.josm.data.projection.ProjectionChangeListener;
81import org.openstreetmap.josm.data.validation.OsmValidator;
82import org.openstreetmap.josm.gui.GettingStarted;
83import org.openstreetmap.josm.gui.MainApplication.Option;
84import org.openstreetmap.josm.gui.MainMenu;
85import org.openstreetmap.josm.gui.MapFrame;
86import org.openstreetmap.josm.gui.MapFrameListener;
87import org.openstreetmap.josm.gui.MapView;
88import org.openstreetmap.josm.gui.dialogs.LayerListDialog;
89import org.openstreetmap.josm.gui.help.HelpUtil;
90import org.openstreetmap.josm.gui.io.SaveLayersDialog;
91import org.openstreetmap.josm.gui.layer.AbstractModifiableLayer;
92import org.openstreetmap.josm.gui.layer.Layer;
93import org.openstreetmap.josm.gui.layer.OsmDataLayer;
94import org.openstreetmap.josm.gui.layer.OsmDataLayer.CommandQueueListener;
95import org.openstreetmap.josm.gui.preferences.ToolbarPreferences;
96import org.openstreetmap.josm.gui.preferences.imagery.ImageryPreference;
97import org.openstreetmap.josm.gui.preferences.map.MapPaintPreference;
98import org.openstreetmap.josm.gui.preferences.projection.ProjectionPreference;
99import org.openstreetmap.josm.gui.progress.PleaseWaitProgressMonitor;
100import org.openstreetmap.josm.gui.progress.ProgressMonitorExecutor;
101import org.openstreetmap.josm.gui.tagging.presets.TaggingPresets;
102import org.openstreetmap.josm.gui.util.RedirectInputMap;
103import org.openstreetmap.josm.gui.widgets.JMultilineLabel;
104import org.openstreetmap.josm.io.FileWatcher;
105import org.openstreetmap.josm.io.OnlineResource;
106import org.openstreetmap.josm.io.OsmApi;
107import org.openstreetmap.josm.plugins.PluginHandler;
108import org.openstreetmap.josm.tools.CheckParameterUtil;
109import org.openstreetmap.josm.tools.I18n;
110import org.openstreetmap.josm.tools.ImageProvider;
111import org.openstreetmap.josm.tools.OpenBrowser;
112import org.openstreetmap.josm.tools.OsmUrlToBounds;
113import org.openstreetmap.josm.tools.PlatformHook;
114import org.openstreetmap.josm.tools.PlatformHookOsx;
115import org.openstreetmap.josm.tools.PlatformHookUnixoid;
116import org.openstreetmap.josm.tools.PlatformHookWindows;
117import org.openstreetmap.josm.tools.Shortcut;
118import org.openstreetmap.josm.tools.Utils;
119import org.openstreetmap.josm.tools.WindowGeometry;
120
121/**
122 * Abstract class holding various static global variables and methods used in large parts of JOSM application.
123 * @since 98
124 */
125public abstract class Main {
126
127 /**
128 * The JOSM website URL.
129 * @since 6897 (was public from 6143 to 6896)
130 */
131 private static final String JOSM_WEBSITE = "https://josm.openstreetmap.de";
132
133 /**
134 * The OSM website URL.
135 * @since 6897 (was public from 6453 to 6896)
136 */
137 private static final String OSM_WEBSITE = "https://www.openstreetmap.org";
138
139 /**
140 * Replies true if JOSM currently displays a map view. False, if it doesn't, i.e. if
141 * it only shows the MOTD panel.
142 *
143 * @return <code>true</code> if JOSM currently displays a map view
144 */
145 public static boolean isDisplayingMapView() {
146 return map != null && map.mapView != null;
147 }
148
149 /**
150 * Global parent component for all dialogs and message boxes
151 */
152 public static Component parent;
153
154 /**
155 * Global application.
156 */
157 public static volatile Main main;
158
159 /**
160 * Command-line arguments used to run the application.
161 */
162 protected static final List<String> COMMAND_LINE_ARGS = new ArrayList<>();
163
164 /**
165 * The worker thread slave. This is for executing all long and intensive
166 * calculations. The executed runnables are guaranteed to be executed separately
167 * and sequential.
168 */
169 public static final ExecutorService worker = new ProgressMonitorExecutor("main-worker-%d", Thread.NORM_PRIORITY);
170
171 /**
172 * Global application preferences
173 */
174 public static Preferences pref;
175
176 /**
177 * The global paste buffer.
178 */
179 public static final PrimitiveDeepCopy pasteBuffer = new PrimitiveDeepCopy();
180
181 /**
182 * The layer source from which {@link Main#pasteBuffer} data comes from.
183 */
184 public static Layer pasteSource;
185
186 /**
187 * The MapFrame. Use {@link Main#setMapFrame} to set or clear it.
188 */
189 public static MapFrame map;
190
191 /**
192 * The toolbar preference control to register new actions.
193 */
194 public static volatile ToolbarPreferences toolbar;
195
196 /**
197 * The commands undo/redo handler.
198 */
199 public final UndoRedoHandler undoRedo = new UndoRedoHandler();
200
201 /**
202 * The progress monitor being currently displayed.
203 */
204 public static PleaseWaitProgressMonitor currentProgressMonitor;
205
206 /**
207 * The main menu bar at top of screen.
208 */
209 public MainMenu menu;
210
211 /**
212 * The data validation handler.
213 */
214 public OsmValidator validator;
215
216 /**
217 * The file watcher service.
218 */
219 public static final FileWatcher fileWatcher = new FileWatcher();
220
221 /**
222 * The MOTD Layer.
223 */
224 public final GettingStarted gettingStarted = new GettingStarted();
225
226 private static final Collection<MapFrameListener> mapFrameListeners = new ArrayList<>();
227
228 protected static final Map<String, Throwable> NETWORK_ERRORS = new HashMap<>();
229
230 // First lines of last 5 error and warning messages, used for bug reports
231 private static final List<String> ERRORS_AND_WARNINGS = Collections.<String>synchronizedList(new ArrayList<String>());
232
233 private static final Set<OnlineResource> OFFLINE_RESOURCES = new HashSet<>();
234
235 /**
236 * Logging level (5 = trace, 4 = debug, 3 = info, 2 = warn, 1 = error, 0 = none).
237 * @since 6248
238 */
239 public static int logLevel = 3;
240
241 private static void rememberWarnErrorMsg(String msg) {
242 // Only remember first line of message
243 int idx = msg.indexOf('\n');
244 if (idx > 0) {
245 ERRORS_AND_WARNINGS.add(msg.substring(0, idx));
246 } else {
247 ERRORS_AND_WARNINGS.add(msg);
248 }
249 // Only keep 5 lines to avoid memory leak and incomplete stacktraces in bug reports
250 while (ERRORS_AND_WARNINGS.size() > 5) {
251 ERRORS_AND_WARNINGS.remove(0);
252 }
253 }
254
255 /**
256 * Replies the first lines of last 5 error and warning messages, used for bug reports
257 * @return the first lines of last 5 error and warning messages
258 * @since 7420
259 */
260 public static final Collection<String> getLastErrorAndWarnings() {
261 return Collections.unmodifiableList(ERRORS_AND_WARNINGS);
262 }
263
264 /**
265 * Clears the list of last error and warning messages.
266 * @since 8959
267 */
268 public static void clearLastErrorAndWarnings() {
269 ERRORS_AND_WARNINGS.clear();
270 }
271
272 /**
273 * Prints an error message if logging is on.
274 * @param msg The message to print.
275 * @since 6248
276 */
277 public static void error(String msg) {
278 if (logLevel < 1)
279 return;
280 if (msg != null && !msg.isEmpty()) {
281 System.err.println(tr("ERROR: {0}", msg));
282 rememberWarnErrorMsg("E: "+msg);
283 }
284 }
285
286 /**
287 * Prints a warning message if logging is on.
288 * @param msg The message to print.
289 */
290 public static void warn(String msg) {
291 if (logLevel < 2)
292 return;
293 if (msg != null && !msg.isEmpty()) {
294 System.err.println(tr("WARNING: {0}", msg));
295 rememberWarnErrorMsg("W: "+msg);
296 }
297 }
298
299 /**
300 * Prints an informational message if logging is on.
301 * @param msg The message to print.
302 */
303 public static void info(String msg) {
304 if (logLevel < 3)
305 return;
306 if (msg != null && !msg.isEmpty()) {
307 System.out.println(tr("INFO: {0}", msg));
308 }
309 }
310
311 /**
312 * Prints a debug message if logging is on.
313 * @param msg The message to print.
314 */
315 public static void debug(String msg) {
316 if (logLevel < 4)
317 return;
318 if (msg != null && !msg.isEmpty()) {
319 System.out.println(tr("DEBUG: {0}", msg));
320 }
321 }
322
323 /**
324 * Prints a trace message if logging is on.
325 * @param msg The message to print.
326 */
327 public static void trace(String msg) {
328 if (logLevel < 5)
329 return;
330 if (msg != null && !msg.isEmpty()) {
331 System.out.print("TRACE: ");
332 System.out.println(msg);
333 }
334 }
335
336 /**
337 * Determines if debug log level is enabled.
338 * Useful to avoid costly construction of debug messages when not enabled.
339 * @return {@code true} if log level is at least debug, {@code false} otherwise
340 * @since 6852
341 */
342 public static boolean isDebugEnabled() {
343 return logLevel >= 4;
344 }
345
346 /**
347 * Determines if trace log level is enabled.
348 * Useful to avoid costly construction of trace messages when not enabled.
349 * @return {@code true} if log level is at least trace, {@code false} otherwise
350 * @since 6852
351 */
352 public static boolean isTraceEnabled() {
353 return logLevel >= 5;
354 }
355
356 /**
357 * Prints a formatted error message if logging is on. Calls {@link MessageFormat#format}
358 * function to format text.
359 * @param msg The formatted message to print.
360 * @param objects The objects to insert into format string.
361 * @since 6248
362 */
363 public static void error(String msg, Object... objects) {
364 error(MessageFormat.format(msg, objects));
365 }
366
367 /**
368 * Prints a formatted warning message if logging is on. Calls {@link MessageFormat#format}
369 * function to format text.
370 * @param msg The formatted message to print.
371 * @param objects The objects to insert into format string.
372 */
373 public static void warn(String msg, Object... objects) {
374 warn(MessageFormat.format(msg, objects));
375 }
376
377 /**
378 * Prints a formatted informational message if logging is on. Calls {@link MessageFormat#format}
379 * function to format text.
380 * @param msg The formatted message to print.
381 * @param objects The objects to insert into format string.
382 */
383 public static void info(String msg, Object... objects) {
384 info(MessageFormat.format(msg, objects));
385 }
386
387 /**
388 * Prints a formatted debug message if logging is on. Calls {@link MessageFormat#format}
389 * function to format text.
390 * @param msg The formatted message to print.
391 * @param objects The objects to insert into format string.
392 */
393 public static void debug(String msg, Object... objects) {
394 debug(MessageFormat.format(msg, objects));
395 }
396
397 /**
398 * Prints a formatted trace message if logging is on. Calls {@link MessageFormat#format}
399 * function to format text.
400 * @param msg The formatted message to print.
401 * @param objects The objects to insert into format string.
402 */
403 public static void trace(String msg, Object... objects) {
404 trace(MessageFormat.format(msg, objects));
405 }
406
407 /**
408 * Prints an error message for the given Throwable.
409 * @param t The throwable object causing the error
410 * @since 6248
411 */
412 public static void error(Throwable t) {
413 error(t, true);
414 }
415
416 /**
417 * Prints a warning message for the given Throwable.
418 * @param t The throwable object causing the error
419 * @since 6248
420 */
421 public static void warn(Throwable t) {
422 warn(t, true);
423 }
424
425 /**
426 * Prints an error message for the given Throwable.
427 * @param t The throwable object causing the error
428 * @param stackTrace {@code true}, if the stacktrace should be displayed
429 * @since 6642
430 */
431 public static void error(Throwable t, boolean stackTrace) {
432 error(getErrorMessage(t));
433 if (stackTrace) {
434 t.printStackTrace();
435 }
436 }
437
438 /**
439 * Prints a warning message for the given Throwable.
440 * @param t The throwable object causing the error
441 * @param stackTrace {@code true}, if the stacktrace should be displayed
442 * @since 6642
443 */
444 public static void warn(Throwable t, boolean stackTrace) {
445 warn(getErrorMessage(t));
446 if (stackTrace) {
447 t.printStackTrace();
448 }
449 }
450
451 /**
452 * Returns a human-readable message of error, also usable for developers.
453 * @param t The error
454 * @return The human-readable error message
455 * @since 6642
456 */
457 public static String getErrorMessage(Throwable t) {
458 if (t == null) {
459 return null;
460 }
461 StringBuilder sb = new StringBuilder(t.getClass().getName());
462 String msg = t.getMessage();
463 if (msg != null) {
464 sb.append(": ").append(msg.trim());
465 }
466 Throwable cause = t.getCause();
467 if (cause != null && !cause.equals(t)) {
468 sb.append(". ").append(tr("Cause: ")).append(getErrorMessage(cause));
469 }
470 return sb.toString();
471 }
472
473 /**
474 * Platform specific code goes in here.
475 * Plugins may replace it, however, some hooks will be called before any plugins have been loeaded.
476 * So if you need to hook into those early ones, split your class and send the one with the early hooks
477 * to the JOSM team for inclusion.
478 */
479 public static volatile PlatformHook platform;
480
481 /**
482 * Whether or not the java vm is openjdk
483 * We use this to work around openjdk bugs
484 */
485 public static boolean isOpenjdk;
486
487 /**
488 * Initializes {@code Main.pref} in normal application context.
489 * @since 6471
490 */
491 public static void initApplicationPreferences() {
492 Main.pref = new Preferences();
493 }
494
495 /**
496 * Set or clear (if passed <code>null</code>) the map.
497 * @param map The map to set {@link Main#map} to. Can be null.
498 */
499 public final void setMapFrame(final MapFrame map) {
500 MapFrame old = Main.map;
501 panel.setVisible(false);
502 panel.removeAll();
503 if (map != null) {
504 map.fillPanel(panel);
505 } else {
506 old.destroy();
507 panel.add(gettingStarted, BorderLayout.CENTER);
508 }
509 panel.setVisible(true);
510 redoUndoListener.commandChanged(0, 0);
511
512 Main.map = map;
513
514 for (MapFrameListener listener : mapFrameListeners) {
515 listener.mapFrameInitialized(old, map);
516 }
517 if (map == null && currentProgressMonitor != null) {
518 currentProgressMonitor.showForegroundDialog();
519 }
520 }
521
522 /**
523 * Remove the specified layer from the map. If it is the last layer,
524 * remove the map as well.
525 * @param layer The layer to remove
526 */
527 public final synchronized void removeLayer(final Layer layer) {
528 if (map != null) {
529 map.mapView.removeLayer(layer);
530 if (isDisplayingMapView() && map.mapView.getAllLayers().isEmpty()) {
531 setMapFrame(null);
532 }
533 }
534 }
535
536 private static volatile InitStatusListener initListener;
537
538 public interface InitStatusListener {
539
540 Object updateStatus(String event);
541
542 void finish(Object status);
543 }
544
545 public static void setInitStatusListener(InitStatusListener listener) {
546 CheckParameterUtil.ensureParameterNotNull(listener);
547 initListener = listener;
548 }
549
550 /**
551 * Constructs new {@code Main} object. A lot of global variables are initialized here.
552 */
553 public Main() {
554 main = this;
555 isOpenjdk = System.getProperty("java.vm.name").toUpperCase(Locale.ENGLISH).indexOf("OPENJDK") != -1;
556 fileWatcher.start();
557
558 new InitializationTask(tr("Executing platform startup hook")) {
559 @Override
560 public void initialize() {
561 platform.startupHook();
562 }
563 }.call();
564
565 new InitializationTask(tr("Building main menu")) {
566
567 @Override
568 public void initialize() {
569 contentPanePrivate.add(panel, BorderLayout.CENTER);
570 panel.add(gettingStarted, BorderLayout.CENTER);
571 menu = new MainMenu();
572 }
573 }.call();
574
575 undoRedo.addCommandQueueListener(redoUndoListener);
576
577 // creating toolbar
578 contentPanePrivate.add(toolbar.control, BorderLayout.NORTH);
579
580 registerActionShortcut(menu.help, Shortcut.registerShortcut("system:help", tr("Help"),
581 KeyEvent.VK_F1, Shortcut.DIRECT));
582
583 // contains several initialization tasks to be executed (in parallel) by a ExecutorService
584 List<Callable<Void>> tasks = new ArrayList<>();
585
586 tasks.add(new InitializationTask(tr("Initializing OSM API")) {
587
588 @Override
589 public void initialize() {
590 // We try to establish an API connection early, so that any API
591 // capabilities are already known to the editor instance. However
592 // if it goes wrong that's not critical at this stage.
593 try {
594 OsmApi.getOsmApi().initialize(null, true);
595 } catch (Exception e) {
596 Main.warn(getErrorMessage(Utils.getRootCause(e)));
597 }
598 }
599 });
600
601 tasks.add(new InitializationTask(tr("Initializing validator")) {
602
603 @Override
604 public void initialize() {
605 validator = new OsmValidator();
606 MapView.addLayerChangeListener(validator);
607 }
608 });
609
610 tasks.add(new InitializationTask(tr("Initializing presets")) {
611
612 @Override
613 public void initialize() {
614 TaggingPresets.initialize();
615 }
616 });
617
618 tasks.add(new InitializationTask(tr("Initializing map styles")) {
619
620 @Override
621 public void initialize() {
622 MapPaintPreference.initialize();
623 }
624 });
625
626 tasks.add(new InitializationTask(tr("Loading imagery preferences")) {
627
628 @Override
629 public void initialize() {
630 ImageryPreference.initialize();
631 }
632 });
633
634 try {
635 final ExecutorService service = Executors.newFixedThreadPool(
636 Runtime.getRuntime().availableProcessors(), Utils.newThreadFactory("main-init-%d", Thread.NORM_PRIORITY));
637 for (Future<Void> i : service.invokeAll(tasks)) {
638 i.get();
639 }
640 service.shutdown();
641 } catch (Exception ex) {
642 throw new RuntimeException(ex);
643 }
644
645 // hooks for the jmapviewer component
646 FeatureAdapter.registerBrowserAdapter(new FeatureAdapter.BrowserAdapter() {
647 @Override
648 public void openLink(String url) {
649 OpenBrowser.displayUrl(url);
650 }
651 });
652 FeatureAdapter.registerTranslationAdapter(I18n.getTranslationAdapter());
653 FeatureAdapter.registerLoggingAdapter(new FeatureAdapter.LoggingAdapter() {
654 @Override
655 public Logger getLogger(String name) {
656 Logger logger = Logger.getAnonymousLogger();
657 logger.setUseParentHandlers(false);
658 logger.setLevel(Level.ALL);
659 if (logger.getHandlers().length == 0) {
660 logger.addHandler(new Handler() {
661 @Override
662 public void publish(LogRecord record) {
663 String msg = MessageFormat.format(record.getMessage(), record.getParameters());
664 if (record.getLevel().intValue() >= Level.SEVERE.intValue()) {
665 Main.error(msg);
666 } else if (record.getLevel().intValue() >= Level.WARNING.intValue()) {
667 Main.warn(msg);
668 } else if (record.getLevel().intValue() >= Level.INFO.intValue()) {
669 Main.info(msg);
670 } else if (record.getLevel().intValue() >= Level.FINE.intValue()) {
671 Main.debug(msg);
672 } else {
673 Main.trace(msg);
674 }
675 }
676
677 @Override
678 public void flush() {
679 }
680
681 @Override
682 public void close() {
683 }
684 });
685 }
686 return logger;
687 }
688 });
689
690 new InitializationTask(tr("Updating user interface")) {
691
692 @Override
693 public void initialize() {
694 toolbar.refreshToolbarControl();
695 toolbar.control.updateUI();
696 contentPanePrivate.updateUI();
697 }
698 }.call();
699 }
700
701 private abstract static class InitializationTask implements Callable<Void> {
702
703 private final String name;
704
705 protected InitializationTask(String name) {
706 this.name = name;
707 }
708
709 public abstract void initialize();
710
711 @Override
712 public Void call() {
713 Object status = null;
714 if (initListener != null) {
715 status = initListener.updateStatus(name);
716 }
717 initialize();
718 if (initListener != null) {
719 initListener.finish(status);
720 }
721 return null;
722 }
723 }
724
725 /**
726 * Add a new layer to the map.
727 *
728 * If no map exists, create one.
729 *
730 * @param layer the layer
731 *
732 * @see #addLayer(Layer, ProjectionBounds)
733 * @see #addLayer(Layer, ViewportData)
734 */
735 public final void addLayer(final Layer layer) {
736 BoundingXYVisitor v = new BoundingXYVisitor();
737 layer.visitBoundingBox(v);
738 addLayer(layer, v.getBounds());
739 }
740
741 /**
742 * Add a new layer to the map.
743 *
744 * If no map exists, create one.
745 *
746 * @param layer the layer
747 * @param bounds the bounds of the layer (target zoom area); can be null, then
748 * the viewport isn't changed
749 */
750 public final synchronized void addLayer(final Layer layer, ProjectionBounds bounds) {
751 addLayer(layer, bounds == null ? null : new ViewportData(bounds));
752 }
753
754 /**
755 * Add a new layer to the map.
756 *
757 * If no map exists, create one.
758 *
759 * @param layer the layer
760 * @param viewport the viewport to zoom to; can be null, then the viewport
761 * isn't changed
762 */
763 public final synchronized void addLayer(final Layer layer, ViewportData viewport) {
764 boolean noMap = map == null;
765 if (noMap) {
766 createMapFrame(layer, viewport);
767 }
768 layer.hookUpMapView();
769 map.mapView.addLayer(layer);
770 if (noMap) {
771 Main.map.setVisible(true);
772 } else if (viewport != null) {
773 Main.map.mapView.zoomTo(viewport);
774 }
775 }
776
777 public synchronized void createMapFrame(Layer firstLayer, ViewportData viewportData) {
778 MapFrame mapFrame = new MapFrame(contentPanePrivate, viewportData);
779 setMapFrame(mapFrame);
780 if (firstLayer != null) {
781 mapFrame.selectMapMode((MapMode) mapFrame.getDefaultButtonAction(), firstLayer);
782 }
783 mapFrame.initializeDialogsPane();
784 // bootstrapping problem: make sure the layer list dialog is going to
785 // listen to change events of the very first layer
786 //
787 if (firstLayer != null) {
788 firstLayer.addPropertyChangeListener(LayerListDialog.getInstance().getModel());
789 }
790 }
791
792 /**
793 * Replies <code>true</code> if there is an edit layer
794 *
795 * @return <code>true</code> if there is an edit layer
796 */
797 public boolean hasEditLayer() {
798 if (getEditLayer() == null) return false;
799 return true;
800 }
801
802 /**
803 * Replies the current edit layer
804 *
805 * @return the current edit layer. <code>null</code>, if no current edit layer exists
806 */
807 public OsmDataLayer getEditLayer() {
808 if (!isDisplayingMapView()) return null;
809 return map.mapView.getEditLayer();
810 }
811
812 /**
813 * Replies the current data set.
814 *
815 * @return the current data set. <code>null</code>, if no current data set exists
816 */
817 public DataSet getCurrentDataSet() {
818 if (!hasEditLayer()) return null;
819 return getEditLayer().data;
820 }
821
822 /**
823 * Replies the current selected primitives, from a end-user point of view.
824 * It is not always technically the same collection of primitives than {@link DataSet#getSelected()}.
825 * Indeed, if the user is currently in drawing mode, only the way currently being drawn is returned,
826 * see {@link DrawAction#getInProgressSelection()}.
827 *
828 * @return The current selected primitives, from a end-user point of view. Can be {@code null}.
829 * @since 6546
830 */
831 public Collection<OsmPrimitive> getInProgressSelection() {
832 if (map != null && map.mapMode instanceof DrawAction) {
833 return ((DrawAction) map.mapMode).getInProgressSelection();
834 } else {
835 DataSet ds = getCurrentDataSet();
836 if (ds == null) return null;
837 return ds.getSelected();
838 }
839 }
840
841 /**
842 * Returns the currently active layer
843 *
844 * @return the currently active layer. <code>null</code>, if currently no active layer exists
845 */
846 public Layer getActiveLayer() {
847 if (!isDisplayingMapView()) return null;
848 return map.mapView.getActiveLayer();
849 }
850
851 protected static final JPanel contentPanePrivate = new JPanel(new BorderLayout());
852
853 public static void redirectToMainContentPane(JComponent source) {
854 RedirectInputMap.redirect(source, contentPanePrivate);
855 }
856
857 public static void registerActionShortcut(JosmAction action) {
858 registerActionShortcut(action, action.getShortcut());
859 }
860
861 public static void registerActionShortcut(Action action, Shortcut shortcut) {
862 KeyStroke keyStroke = shortcut.getKeyStroke();
863 if (keyStroke == null)
864 return;
865
866 InputMap inputMap = contentPanePrivate.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW);
867 Object existing = inputMap.get(keyStroke);
868 if (existing != null && !existing.equals(action)) {
869 info(String.format("Keystroke %s is already assigned to %s, will be overridden by %s", keyStroke, existing, action));
870 }
871 inputMap.put(keyStroke, action);
872
873 contentPanePrivate.getActionMap().put(action, action);
874 }
875
876 public static void unregisterShortcut(Shortcut shortcut) {
877 contentPanePrivate.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).remove(shortcut.getKeyStroke());
878 }
879
880 public static void unregisterActionShortcut(JosmAction action) {
881 unregisterActionShortcut(action, action.getShortcut());
882 }
883
884 public static void unregisterActionShortcut(Action action, Shortcut shortcut) {
885 unregisterShortcut(shortcut);
886 contentPanePrivate.getActionMap().remove(action);
887 }
888
889 /**
890 * Replies the registered action for the given shortcut
891 * @param shortcut The shortcut to look for
892 * @return the registered action for the given shortcut
893 * @since 5696
894 */
895 public static Action getRegisteredActionShortcut(Shortcut shortcut) {
896 KeyStroke keyStroke = shortcut.getKeyStroke();
897 if (keyStroke == null)
898 return null;
899 Object action = contentPanePrivate.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).get(keyStroke);
900 if (action instanceof Action)
901 return (Action) action;
902 return null;
903 }
904
905 ///////////////////////////////////////////////////////////////////////////
906 // Implementation part
907 ///////////////////////////////////////////////////////////////////////////
908
909 /**
910 * Global panel.
911 */
912 public static final JPanel panel = new JPanel(new BorderLayout());
913
914 protected static volatile WindowGeometry geometry;
915 protected static int windowState = JFrame.NORMAL;
916
917 private final CommandQueueListener redoUndoListener = new CommandQueueListener() {
918 @Override
919 public void commandChanged(final int queueSize, final int redoSize) {
920 menu.undo.setEnabled(queueSize > 0);
921 menu.redo.setEnabled(redoSize > 0);
922 }
923 };
924
925 /**
926 * Should be called before the main constructor to setup some parameter stuff
927 * @param args The parsed argument list.
928 */
929 public static void preConstructorInit(Map<Option, Collection<String>> args) {
930 ProjectionPreference.setProjection();
931
932 try {
933 String defaultlaf = platform.getDefaultStyle();
934 String laf = Main.pref.get("laf", defaultlaf);
935 try {
936 UIManager.setLookAndFeel(laf);
937 } catch (final NoClassDefFoundError | ClassNotFoundException e) {
938 // Try to find look and feel in plugin classloaders
939 Class<?> klass = null;
940 for (ClassLoader cl : PluginHandler.getResourceClassLoaders()) {
941 try {
942 klass = cl.loadClass(laf);
943 break;
944 } catch (ClassNotFoundException ex) {
945 // Do nothing
946 if (Main.isTraceEnabled()) {
947 Main.trace(ex.getMessage());
948 }
949 }
950 }
951 if (klass != null && LookAndFeel.class.isAssignableFrom(klass)) {
952 try {
953 UIManager.setLookAndFeel((LookAndFeel) klass.newInstance());
954 } catch (Exception ex) {
955 warn("Cannot set Look and Feel: " + laf + ": "+ex.getMessage());
956 }
957 } else {
958 info("Look and Feel not found: " + laf);
959 Main.pref.put("laf", defaultlaf);
960 }
961 } catch (final UnsupportedLookAndFeelException e) {
962 info("Look and Feel not supported: " + laf);
963 Main.pref.put("laf", defaultlaf);
964 }
965 toolbar = new ToolbarPreferences();
966 contentPanePrivate.updateUI();
967 panel.updateUI();
968 } catch (final Exception e) {
969 error(e);
970 }
971 UIManager.put("OptionPane.okIcon", ImageProvider.get("ok"));
972 UIManager.put("OptionPane.yesIcon", UIManager.get("OptionPane.okIcon"));
973 UIManager.put("OptionPane.cancelIcon", ImageProvider.get("cancel"));
974 UIManager.put("OptionPane.noIcon", UIManager.get("OptionPane.cancelIcon"));
975 // Ensures caret color is the same than text foreground color, see #12257
976 // See http://docs.oracle.com/javase/7/docs/api/javax/swing/plaf/synth/doc-files/componentProperties.html
977 for (String p : Arrays.asList(
978 "EditorPane", "FormattedTextField", "PasswordField", "TextArea", "TextField", "TextPane")) {
979 UIManager.put(p+".caretForeground", UIManager.getColor(p+".foreground"));
980 }
981
982 I18n.translateJavaInternalMessages();
983
984 // init default coordinate format
985 //
986 try {
987 CoordinateFormat.setCoordinateFormat(CoordinateFormat.valueOf(Main.pref.get("coordinates")));
988 } catch (IllegalArgumentException iae) {
989 CoordinateFormat.setCoordinateFormat(CoordinateFormat.DECIMAL_DEGREES);
990 }
991
992 geometry = WindowGeometry.mainWindow("gui.geometry",
993 args.containsKey(Option.GEOMETRY) ? args.get(Option.GEOMETRY).iterator().next() : null,
994 !args.containsKey(Option.NO_MAXIMIZE) && Main.pref.getBoolean("gui.maximized", false));
995 }
996
997 protected static void postConstructorProcessCmdLine(Map<Option, Collection<String>> args) {
998 if (args.containsKey(Option.DOWNLOAD)) {
999 List<File> fileList = new ArrayList<>();
1000 for (String s : args.get(Option.DOWNLOAD)) {
1001 DownloadParamType.paramType(s).download(s, fileList);
1002 }
1003 if (!fileList.isEmpty()) {
1004 OpenFileAction.openFiles(fileList, true);
1005 }
1006 }
1007 if (args.containsKey(Option.DOWNLOADGPS)) {
1008 for (String s : args.get(Option.DOWNLOADGPS)) {
1009 DownloadParamType.paramType(s).downloadGps(s);
1010 }
1011 }
1012 if (args.containsKey(Option.SELECTION)) {
1013 for (String s : args.get(Option.SELECTION)) {
1014 SearchAction.search(s, SearchAction.SearchMode.add);
1015 }
1016 }
1017 }
1018
1019 /**
1020 * Asks user to perform "save layer" operations (save on disk and/or upload data to server) for all
1021 * {@link AbstractModifiableLayer} before JOSM exits.
1022 * @return {@code true} if there was nothing to save, or if the user wants to proceed to save operations.
1023 * {@code false} if the user cancels.
1024 * @since 2025
1025 */
1026 public static boolean saveUnsavedModifications() {
1027 if (!isDisplayingMapView()) return true;
1028 return saveUnsavedModifications(map.mapView.getLayersOfType(AbstractModifiableLayer.class), true);
1029 }
1030
1031 /**
1032 * Asks user to perform "save layer" operations (save on disk and/or upload data to server) before data layers deletion.
1033 *
1034 * @param selectedLayers The layers to check. Only instances of {@link AbstractModifiableLayer} are considered.
1035 * @param exit {@code true} if JOSM is exiting, {@code false} otherwise.
1036 * @return {@code true} if there was nothing to save, or if the user wants to proceed to save operations.
1037 * {@code false} if the user cancels.
1038 * @since 5519
1039 */
1040 public static boolean saveUnsavedModifications(Iterable<? extends Layer> selectedLayers, boolean exit) {
1041 SaveLayersDialog dialog = new SaveLayersDialog(parent);
1042 List<AbstractModifiableLayer> layersWithUnmodifiedChanges = new ArrayList<>();
1043 for (Layer l: selectedLayers) {
1044 if (!(l instanceof AbstractModifiableLayer)) {
1045 continue;
1046 }
1047 AbstractModifiableLayer odl = (AbstractModifiableLayer) l;
1048 if ((odl.requiresSaveToFile() || (odl.requiresUploadToServer() && !odl.isUploadDiscouraged())) && odl.isModified()) {
1049 layersWithUnmodifiedChanges.add(odl);
1050 }
1051 }
1052 if (exit) {
1053 dialog.prepareForSavingAndUpdatingLayersBeforeExit();
1054 } else {
1055 dialog.prepareForSavingAndUpdatingLayersBeforeDelete();
1056 }
1057 if (!layersWithUnmodifiedChanges.isEmpty()) {
1058 dialog.getModel().populate(layersWithUnmodifiedChanges);
1059 dialog.setVisible(true);
1060 switch(dialog.getUserAction()) {
1061 case PROCEED: return true;
1062 case CANCEL:
1063 default: return false;
1064 }
1065 }
1066
1067 return true;
1068 }
1069
1070 /**
1071 * Closes JOSM and optionally terminates the Java Virtual Machine (JVM).
1072 * If there are some unsaved data layers, asks first for user confirmation.
1073 * @param exit If {@code true}, the JVM is terminated by running {@link System#exit} with a given return code.
1074 * @param exitCode The return code
1075 * @return {@code true} if JOSM has been closed, {@code false} if the user has cancelled the operation.
1076 * @since 3378
1077 */
1078 public static boolean exitJosm(boolean exit, int exitCode) {
1079 if (Main.saveUnsavedModifications()) {
1080 worker.shutdown();
1081 ImageProvider.shutdown(false);
1082 JCSCacheManager.shutdown();
1083 if (geometry != null) {
1084 geometry.remember("gui.geometry");
1085 }
1086 if (map != null) {
1087 map.rememberToggleDialogWidth();
1088 }
1089 pref.put("gui.maximized", (windowState & JFrame.MAXIMIZED_BOTH) != 0);
1090 // Remove all layers because somebody may rely on layerRemoved events (like AutosaveTask)
1091 if (Main.isDisplayingMapView()) {
1092 Collection<Layer> layers = new ArrayList<>(Main.map.mapView.getAllLayers());
1093 for (Layer l: layers) {
1094 Main.main.removeLayer(l);
1095 }
1096 }
1097 worker.shutdownNow();
1098 ImageProvider.shutdown(true);
1099
1100 if (exit) {
1101 System.exit(exitCode);
1102 }
1103 return true;
1104 }
1105 return false;
1106 }
1107
1108 /**
1109 * The type of a command line parameter, to be used in switch statements.
1110 * @see #paramType
1111 */
1112 enum DownloadParamType {
1113 httpUrl {
1114 @Override
1115 void download(String s, Collection<File> fileList) {
1116 new OpenLocationAction().openUrl(false, s);
1117 }
1118
1119 @Override
1120 void downloadGps(String s) {
1121 final Bounds b = OsmUrlToBounds.parse(s);
1122 if (b == null) {
1123 JOptionPane.showMessageDialog(
1124 Main.parent,
1125 tr("Ignoring malformed URL: \"{0}\"", s),
1126 tr("Warning"),
1127 JOptionPane.WARNING_MESSAGE
1128 );
1129 return;
1130 }
1131 downloadFromParamBounds(true, b);
1132 }
1133 }, fileUrl {
1134 @Override
1135 void download(String s, Collection<File> fileList) {
1136 File f = null;
1137 try {
1138 f = new File(new URI(s));
1139 } catch (URISyntaxException e) {
1140 JOptionPane.showMessageDialog(
1141 Main.parent,
1142 tr("Ignoring malformed file URL: \"{0}\"", s),
1143 tr("Warning"),
1144 JOptionPane.WARNING_MESSAGE
1145 );
1146 }
1147 if (f != null) {
1148 fileList.add(f);
1149 }
1150 }
1151 }, bounds {
1152
1153 /**
1154 * Download area specified on the command line as bounds string.
1155 * @param rawGps Flag to download raw GPS tracks
1156 * @param s The bounds parameter
1157 */
1158 private void downloadFromParamBounds(final boolean rawGps, String s) {
1159 final StringTokenizer st = new StringTokenizer(s, ",");
1160 if (st.countTokens() == 4) {
1161 Bounds b = new Bounds(
1162 new LatLon(Double.parseDouble(st.nextToken()), Double.parseDouble(st.nextToken())),
1163 new LatLon(Double.parseDouble(st.nextToken()), Double.parseDouble(st.nextToken()))
1164 );
1165 Main.downloadFromParamBounds(rawGps, b);
1166 }
1167 }
1168
1169 @Override
1170 void download(String param, Collection<File> fileList) {
1171 downloadFromParamBounds(false, param);
1172 }
1173
1174 @Override
1175 void downloadGps(String param) {
1176 downloadFromParamBounds(true, param);
1177 }
1178 }, fileName {
1179 @Override
1180 void download(String s, Collection<File> fileList) {
1181 fileList.add(new File(s));
1182 }
1183 };
1184
1185 /**
1186 * Performs the download
1187 * @param param represents the object to be downloaded
1188 * @param fileList files which shall be opened, should be added to this collection
1189 */
1190 abstract void download(String param, Collection<File> fileList);
1191
1192 /**
1193 * Performs the GPS download
1194 * @param param represents the object to be downloaded
1195 */
1196 void downloadGps(String param) {
1197 JOptionPane.showMessageDialog(
1198 Main.parent,
1199 tr("Parameter \"downloadgps\" does not accept file names or file URLs"),
1200 tr("Warning"),
1201 JOptionPane.WARNING_MESSAGE
1202 );
1203 }
1204
1205 /**
1206 * Guess the type of a parameter string specified on the command line with --download= or --downloadgps.
1207 *
1208 * @param s A parameter string
1209 * @return The guessed parameter type
1210 */
1211 static DownloadParamType paramType(String s) {
1212 if (s.startsWith("http:") || s.startsWith("https:")) return DownloadParamType.httpUrl;
1213 if (s.startsWith("file:")) return DownloadParamType.fileUrl;
1214 String coorPattern = "\\s*[+-]?[0-9]+(\\.[0-9]+)?\\s*";
1215 if (s.matches(coorPattern + "(," + coorPattern + "){3}")) return DownloadParamType.bounds;
1216 // everything else must be a file name
1217 return DownloadParamType.fileName;
1218 }
1219 }
1220
1221 /**
1222 * Download area specified as Bounds value.
1223 * @param rawGps Flag to download raw GPS tracks
1224 * @param b The bounds value
1225 */
1226 private static void downloadFromParamBounds(final boolean rawGps, Bounds b) {
1227 DownloadTask task = rawGps ? new DownloadGpsTask() : new DownloadOsmTask();
1228 // asynchronously launch the download task ...
1229 Future<?> future = task.download(true, b, null);
1230 // ... and the continuation when the download is finished (this will wait for the download to finish)
1231 Main.worker.execute(new PostDownloadHandler(task, future));
1232 }
1233
1234 /**
1235 * Identifies the current operating system family and initializes the platform hook accordingly.
1236 * @since 1849
1237 */
1238 public static void determinePlatformHook() {
1239 String os = System.getProperty("os.name");
1240 if (os == null) {
1241 warn("Your operating system has no name, so I'm guessing its some kind of *nix.");
1242 platform = new PlatformHookUnixoid();
1243 } else if (os.toLowerCase(Locale.ENGLISH).startsWith("windows")) {
1244 platform = new PlatformHookWindows();
1245 } else if ("Linux".equals(os) || "Solaris".equals(os) ||
1246 "SunOS".equals(os) || "AIX".equals(os) ||
1247 "FreeBSD".equals(os) || "NetBSD".equals(os) || "OpenBSD".equals(os)) {
1248 platform = new PlatformHookUnixoid();
1249 } else if (os.toLowerCase(Locale.ENGLISH).startsWith("mac os x")) {
1250 platform = new PlatformHookOsx();
1251 } else {
1252 warn("I don't know your operating system '"+os+"', so I'm guessing its some kind of *nix.");
1253 platform = new PlatformHookUnixoid();
1254 }
1255 }
1256
1257 private static class WindowPositionSizeListener extends WindowAdapter implements
1258 ComponentListener {
1259 @Override
1260 public void windowStateChanged(WindowEvent e) {
1261 Main.windowState = e.getNewState();
1262 }
1263
1264 @Override
1265 public void componentHidden(ComponentEvent e) {
1266 }
1267
1268 @Override
1269 public void componentMoved(ComponentEvent e) {
1270 handleComponentEvent(e);
1271 }
1272
1273 @Override
1274 public void componentResized(ComponentEvent e) {
1275 handleComponentEvent(e);
1276 }
1277
1278 @Override
1279 public void componentShown(ComponentEvent e) {
1280 }
1281
1282 private static void handleComponentEvent(ComponentEvent e) {
1283 Component c = e.getComponent();
1284 if (c instanceof JFrame && c.isVisible()) {
1285 if (Main.windowState == JFrame.NORMAL) {
1286 Main.geometry = new WindowGeometry((JFrame) c);
1287 } else {
1288 Main.geometry.fixScreen((JFrame) c);
1289 }
1290 }
1291 }
1292 }
1293
1294 protected static void addListener() {
1295 parent.addComponentListener(new WindowPositionSizeListener());
1296 ((JFrame) parent).addWindowStateListener(new WindowPositionSizeListener());
1297 }
1298
1299 /**
1300 * Determines if JOSM currently runs with Java 8 or later.
1301 * @return {@code true} if the current JVM is at least Java 8, {@code false} otherwise
1302 * @since 7894
1303 */
1304 public static boolean isJava8orLater() {
1305 String version = System.getProperty("java.version");
1306 return version != null && !version.matches("^(1\\.)?[7].*");
1307 }
1308
1309 /**
1310 * Checks that JOSM is at least running with Java 7.
1311 * @since 7001
1312 */
1313 public static void checkJavaVersion() {
1314 String version = System.getProperty("java.version");
1315 if (version != null) {
1316 if (version.matches("^(1\\.)?[789].*"))
1317 return;
1318 if (version.matches("^(1\\.)?[56].*")) {
1319 JMultilineLabel ho = new JMultilineLabel("<html>"+
1320 tr("<h2>JOSM requires Java version {0}.</h2>"+
1321 "Detected Java version: {1}.<br>"+
1322 "You can <ul><li>update your Java (JRE) or</li>"+
1323 "<li>use an earlier (Java {2} compatible) version of JOSM.</li></ul>"+
1324 "More Info:", "7", version, "6")+"</html>");
1325 JTextArea link = new JTextArea(HelpUtil.getWikiBaseHelpUrl()+"/Help/SystemRequirements");
1326 link.setEditable(false);
1327 link.setBackground(panel.getBackground());
1328 JPanel panel = new JPanel(new GridBagLayout());
1329 GridBagConstraints gbc = new GridBagConstraints();
1330 gbc.gridwidth = GridBagConstraints.REMAINDER;
1331 gbc.anchor = GridBagConstraints.WEST;
1332 gbc.weightx = 1.0;
1333 panel.add(ho, gbc);
1334 panel.add(link, gbc);
1335 final String EXIT = tr("Exit JOSM");
1336 final String CONTINUE = tr("Continue, try anyway");
1337 int ret = JOptionPane.showOptionDialog(null, panel, tr("Error"), JOptionPane.YES_NO_OPTION,
1338 JOptionPane.ERROR_MESSAGE, null, new String[] {EXIT, CONTINUE}, EXIT);
1339 if (ret == 0) {
1340 System.exit(0);
1341 }
1342 return;
1343 }
1344 }
1345 error("Could not recognize Java Version: "+version);
1346 }
1347
1348 /* ----------------------------------------------------------------------------------------- */
1349 /* projection handling - Main is a registry for a single, global projection instance */
1350 /* */
1351 /* TODO: For historical reasons the registry is implemented by Main. An alternative approach */
1352 /* would be a singleton org.openstreetmap.josm.data.projection.ProjectionRegistry class. */
1353 /* ----------------------------------------------------------------------------------------- */
1354 /**
1355 * The projection method used.
1356 * use {@link #getProjection()} and {@link #setProjection(Projection)} for access.
1357 * Use {@link #setProjection(Projection)} in order to trigger a projection change event.
1358 */
1359 private static volatile Projection proj;
1360
1361 /**
1362 * Replies the current projection.
1363 *
1364 * @return the currently active projection
1365 */
1366 public static Projection getProjection() {
1367 return proj;
1368 }
1369
1370 /**
1371 * Sets the current projection
1372 *
1373 * @param p the projection
1374 */
1375 public static void setProjection(Projection p) {
1376 CheckParameterUtil.ensureParameterNotNull(p);
1377 Projection oldValue = proj;
1378 Bounds b = isDisplayingMapView() ? map.mapView.getRealBounds() : null;
1379 proj = p;
1380 fireProjectionChanged(oldValue, proj, b);
1381 }
1382
1383 /*
1384 * Keep WeakReferences to the listeners. This relieves clients from the burden of
1385 * explicitly removing the listeners and allows us to transparently register every
1386 * created dataset as projection change listener.
1387 */
1388 private static final List<WeakReference<ProjectionChangeListener>> listeners = new ArrayList<>();
1389
1390 private static void fireProjectionChanged(Projection oldValue, Projection newValue, Bounds oldBounds) {
1391 if (newValue == null ^ oldValue == null
1392 || (newValue != null && oldValue != null && !Objects.equals(newValue.toCode(), oldValue.toCode()))) {
1393
1394 synchronized (Main.class) {
1395 Iterator<WeakReference<ProjectionChangeListener>> it = listeners.iterator();
1396 while (it.hasNext()) {
1397 WeakReference<ProjectionChangeListener> wr = it.next();
1398 ProjectionChangeListener listener = wr.get();
1399 if (listener == null) {
1400 it.remove();
1401 continue;
1402 }
1403 listener.projectionChanged(oldValue, newValue);
1404 }
1405 }
1406 if (newValue != null && oldBounds != null) {
1407 Main.map.mapView.zoomTo(oldBounds);
1408 }
1409 /* TODO - remove layers with fixed projection */
1410 }
1411 }
1412
1413 /**
1414 * Register a projection change listener.
1415 *
1416 * @param listener the listener. Ignored if <code>null</code>.
1417 */
1418 public static void addProjectionChangeListener(ProjectionChangeListener listener) {
1419 if (listener == null) return;
1420 synchronized (Main.class) {
1421 for (WeakReference<ProjectionChangeListener> wr : listeners) {
1422 // already registered ? => abort
1423 if (wr.get() == listener) return;
1424 }
1425 listeners.add(new WeakReference<>(listener));
1426 }
1427 }
1428
1429 /**
1430 * Removes a projection change listener.
1431 *
1432 * @param listener the listener. Ignored if <code>null</code>.
1433 */
1434 public static void removeProjectionChangeListener(ProjectionChangeListener listener) {
1435 if (listener == null) return;
1436 synchronized (Main.class) {
1437 Iterator<WeakReference<ProjectionChangeListener>> it = listeners.iterator();
1438 while (it.hasNext()) {
1439 WeakReference<ProjectionChangeListener> wr = it.next();
1440 // remove the listener - and any other listener which got garbage
1441 // collected in the meantime
1442 if (wr.get() == null || wr.get() == listener) {
1443 it.remove();
1444 }
1445 }
1446 }
1447 }
1448
1449 /**
1450 * Listener for window switch events.
1451 *
1452 * These are events, when the user activates a window of another application
1453 * or comes back to JOSM. Window switches from one JOSM window to another
1454 * are not reported.
1455 */
1456 public interface WindowSwitchListener {
1457 /**
1458 * Called when the user activates a window of another application.
1459 */
1460 void toOtherApplication();
1461
1462 /**
1463 * Called when the user comes from a window of another application back to JOSM.
1464 */
1465 void fromOtherApplication();
1466 }
1467
1468 private static final List<WeakReference<WindowSwitchListener>> windowSwitchListeners = new ArrayList<>();
1469
1470 /**
1471 * Register a window switch listener.
1472 *
1473 * @param listener the listener. Ignored if <code>null</code>.
1474 */
1475 public static void addWindowSwitchListener(WindowSwitchListener listener) {
1476 if (listener == null) return;
1477 synchronized (Main.class) {
1478 for (WeakReference<WindowSwitchListener> wr : windowSwitchListeners) {
1479 // already registered ? => abort
1480 if (wr.get() == listener) return;
1481 }
1482 boolean wasEmpty = windowSwitchListeners.isEmpty();
1483 windowSwitchListeners.add(new WeakReference<>(listener));
1484 if (wasEmpty) {
1485 // The following call will have no effect, when there is no window
1486 // at the time. Therefore, MasterWindowListener.setup() will also be
1487 // called, as soon as the main window is shown.
1488 MasterWindowListener.setup();
1489 }
1490 }
1491 }
1492
1493 /**
1494 * Removes a window switch listener.
1495 *
1496 * @param listener the listener. Ignored if <code>null</code>.
1497 */
1498 public static void removeWindowSwitchListener(WindowSwitchListener listener) {
1499 if (listener == null) return;
1500 synchronized (Main.class) {
1501 Iterator<WeakReference<WindowSwitchListener>> it = windowSwitchListeners.iterator();
1502 while (it.hasNext()) {
1503 WeakReference<WindowSwitchListener> wr = it.next();
1504 // remove the listener - and any other listener which got garbage
1505 // collected in the meantime
1506 if (wr.get() == null || wr.get() == listener) {
1507 it.remove();
1508 }
1509 }
1510 if (windowSwitchListeners.isEmpty()) {
1511 MasterWindowListener.teardown();
1512 }
1513 }
1514 }
1515
1516 /**
1517 * WindowListener, that is registered on all Windows of the application.
1518 *
1519 * Its purpose is to notify WindowSwitchListeners, that the user switches to
1520 * another application, e.g. a browser, or back to JOSM.
1521 *
1522 * When changing from JOSM to another application and back (e.g. two times
1523 * alt+tab), the active Window within JOSM may be different.
1524 * Therefore, we need to register listeners to <strong>all</strong> (visible)
1525 * Windows in JOSM, and it does not suffice to monitor the one that was
1526 * deactivated last.
1527 *
1528 * This class is only "active" on demand, i.e. when there is at least one
1529 * WindowSwitchListener registered.
1530 */
1531 protected static class MasterWindowListener extends WindowAdapter {
1532
1533 private static MasterWindowListener INSTANCE;
1534
1535 public static synchronized MasterWindowListener getInstance() {
1536 if (INSTANCE == null) {
1537 INSTANCE = new MasterWindowListener();
1538 }
1539 return INSTANCE;
1540 }
1541
1542 /**
1543 * Register listeners to all non-hidden windows.
1544 *
1545 * Windows that are created later, will be cared for in {@link #windowDeactivated(WindowEvent)}.
1546 */
1547 public static void setup() {
1548 if (!windowSwitchListeners.isEmpty()) {
1549 for (Window w : Window.getWindows()) {
1550 if (w.isShowing()) {
1551 if (!Arrays.asList(w.getWindowListeners()).contains(getInstance())) {
1552 w.addWindowListener(getInstance());
1553 }
1554 }
1555 }
1556 }
1557 }
1558
1559 /**
1560 * Unregister all listeners.
1561 */
1562 public static void teardown() {
1563 for (Window w : Window.getWindows()) {
1564 w.removeWindowListener(getInstance());
1565 }
1566 }
1567
1568 @Override
1569 public void windowActivated(WindowEvent e) {
1570 if (e.getOppositeWindow() == null) { // we come from a window of a different application
1571 // fire WindowSwitchListeners
1572 synchronized (Main.class) {
1573 Iterator<WeakReference<WindowSwitchListener>> it = windowSwitchListeners.iterator();
1574 while (it.hasNext()) {
1575 WeakReference<WindowSwitchListener> wr = it.next();
1576 WindowSwitchListener listener = wr.get();
1577 if (listener == null) {
1578 it.remove();
1579 continue;
1580 }
1581 listener.fromOtherApplication();
1582 }
1583 }
1584 }
1585 }
1586
1587 @Override
1588 public void windowDeactivated(WindowEvent e) {
1589 // set up windows that have been created in the meantime
1590 for (Window w : Window.getWindows()) {
1591 if (!w.isShowing()) {
1592 w.removeWindowListener(getInstance());
1593 } else {
1594 if (!Arrays.asList(w.getWindowListeners()).contains(getInstance())) {
1595 w.addWindowListener(getInstance());
1596 }
1597 }
1598 }
1599 if (e.getOppositeWindow() == null) { // we go to a window of a different application
1600 // fire WindowSwitchListeners
1601 synchronized (Main.class) {
1602 Iterator<WeakReference<WindowSwitchListener>> it = windowSwitchListeners.iterator();
1603 while (it.hasNext()) {
1604 WeakReference<WindowSwitchListener> wr = it.next();
1605 WindowSwitchListener listener = wr.get();
1606 if (listener == null) {
1607 it.remove();
1608 continue;
1609 }
1610 listener.toOtherApplication();
1611 }
1612 }
1613 }
1614 }
1615 }
1616
1617 /**
1618 * Registers a new {@code MapFrameListener} that will be notified of MapFrame changes
1619 * @param listener The MapFrameListener
1620 * @param fireWhenMapViewPresent If true, will fire an initial mapFrameInitialized event
1621 * when the MapFrame is present. Otherwise will only fire when the MapFrame is created
1622 * or destroyed.
1623 * @return {@code true} if the listeners collection changed as a result of the call
1624 */
1625 public static boolean addMapFrameListener(MapFrameListener listener, boolean fireWhenMapViewPresent) {
1626 boolean changed = listener != null && mapFrameListeners.add(listener);
1627 if (fireWhenMapViewPresent && changed && map != null) {
1628 listener.mapFrameInitialized(null, map);
1629 }
1630 return changed;
1631 }
1632
1633 /**
1634 * Registers a new {@code MapFrameListener} that will be notified of MapFrame changes
1635 * @param listener The MapFrameListener
1636 * @return {@code true} if the listeners collection changed as a result of the call
1637 * @since 5957
1638 */
1639 public static boolean addMapFrameListener(MapFrameListener listener) {
1640 return addMapFrameListener(listener, false);
1641 }
1642
1643 /**
1644 * Unregisters the given {@code MapFrameListener} from MapFrame changes
1645 * @param listener The MapFrameListener
1646 * @return {@code true} if the listeners collection changed as a result of the call
1647 * @since 5957
1648 */
1649 public static boolean removeMapFrameListener(MapFrameListener listener) {
1650 return listener != null && mapFrameListeners.remove(listener);
1651 }
1652
1653 /**
1654 * Adds a new network error that occur to give a hint about broken Internet connection.
1655 * Do not use this method for errors known for sure thrown because of a bad proxy configuration.
1656 *
1657 * @param url The accessed URL that caused the error
1658 * @param t The network error
1659 * @return The previous error associated to the given resource, if any. Can be {@code null}
1660 * @since 6642
1661 */
1662 public static Throwable addNetworkError(URL url, Throwable t) {
1663 if (url != null && t != null) {
1664 Throwable old = addNetworkError(url.toExternalForm(), t);
1665 if (old != null) {
1666 Main.warn("Already here "+old);
1667 }
1668 return old;
1669 }
1670 return null;
1671 }
1672
1673 /**
1674 * Adds a new network error that occur to give a hint about broken Internet connection.
1675 * Do not use this method for errors known for sure thrown because of a bad proxy configuration.
1676 *
1677 * @param url The accessed URL that caused the error
1678 * @param t The network error
1679 * @return The previous error associated to the given resource, if any. Can be {@code null}
1680 * @since 6642
1681 */
1682 public static Throwable addNetworkError(String url, Throwable t) {
1683 if (url != null && t != null) {
1684 return NETWORK_ERRORS.put(url, t);
1685 }
1686 return null;
1687 }
1688
1689 /**
1690 * Returns the network errors that occured until now.
1691 * @return the network errors that occured until now, indexed by URL
1692 * @since 6639
1693 */
1694 public static Map<String, Throwable> getNetworkErrors() {
1695 return new HashMap<>(NETWORK_ERRORS);
1696 }
1697
1698 /**
1699 * Returns the command-line arguments used to run the application.
1700 * @return the command-line arguments used to run the application
1701 * @since 8356
1702 */
1703 public static List<String> getCommandLineArgs() {
1704 return Collections.unmodifiableList(COMMAND_LINE_ARGS);
1705 }
1706
1707 /**
1708 * Returns the JOSM website URL.
1709 * @return the josm website URL
1710 * @since 6897
1711 */
1712 public static String getJOSMWebsite() {
1713 if (Main.pref != null)
1714 return Main.pref.get("josm.url", JOSM_WEBSITE);
1715 return JOSM_WEBSITE;
1716 }
1717
1718 /**
1719 * Returns the JOSM XML URL.
1720 * @return the josm XML URL
1721 * @since 6897
1722 */
1723 public static String getXMLBase() {
1724 // Always return HTTP (issues reported with HTTPS)
1725 return "http://josm.openstreetmap.de";
1726 }
1727
1728 /**
1729 * Returns the OSM website URL.
1730 * @return the OSM website URL
1731 * @since 6897
1732 */
1733 public static String getOSMWebsite() {
1734 if (Main.pref != null)
1735 return Main.pref.get("osm.url", OSM_WEBSITE);
1736 return OSM_WEBSITE;
1737 }
1738
1739 /**
1740 * Replies the base URL for browsing information about a primitive.
1741 * @return the base URL, i.e. https://www.openstreetmap.org
1742 * @since 7678
1743 */
1744 public static String getBaseBrowseUrl() {
1745 if (Main.pref != null)
1746 return Main.pref.get("osm-browse.url", getOSMWebsite());
1747 return getOSMWebsite();
1748 }
1749
1750 /**
1751 * Replies the base URL for browsing information about a user.
1752 * @return the base URL, i.e. https://www.openstreetmap.org/user
1753 * @since 7678
1754 */
1755 public static String getBaseUserUrl() {
1756 if (Main.pref != null)
1757 return Main.pref.get("osm-user.url", getOSMWebsite() + "/user");
1758 return getOSMWebsite() + "/user";
1759 }
1760
1761 /**
1762 * Determines if we are currently running on OSX.
1763 * @return {@code true} if we are currently running on OSX
1764 * @since 6957
1765 */
1766 public static boolean isPlatformOsx() {
1767 return Main.platform instanceof PlatformHookOsx;
1768 }
1769
1770 /**
1771 * Determines if we are currently running on Windows.
1772 * @return {@code true} if we are currently running on Windows
1773 * @since 7335
1774 */
1775 public static boolean isPlatformWindows() {
1776 return Main.platform instanceof PlatformHookWindows;
1777 }
1778
1779 /**
1780 * Determines if the given online resource is currently offline.
1781 * @param r the online resource
1782 * @return {@code true} if {@code r} is offline and should not be accessed
1783 * @since 7434
1784 */
1785 public static boolean isOffline(OnlineResource r) {
1786 return OFFLINE_RESOURCES.contains(r) || OFFLINE_RESOURCES.contains(OnlineResource.ALL);
1787 }
1788
1789 /**
1790 * Sets the given online resource to offline state.
1791 * @param r the online resource
1792 * @return {@code true} if {@code r} was not already offline
1793 * @since 7434
1794 */
1795 public static boolean setOffline(OnlineResource r) {
1796 return OFFLINE_RESOURCES.add(r);
1797 }
1798
1799 /**
1800 * Sets the given online resource to online state.
1801 * @param r the online resource
1802 * @return {@code true} if {@code r} was offline
1803 * @since 8506
1804 */
1805 public static boolean setOnline(OnlineResource r) {
1806 return OFFLINE_RESOURCES.remove(r);
1807 }
1808
1809 /**
1810 * Replies the set of online resources currently offline.
1811 * @return the set of online resources currently offline
1812 * @since 7434
1813 */
1814 public static Set<OnlineResource> getOfflineResources() {
1815 return new HashSet<>(OFFLINE_RESOURCES);
1816 }
1817}
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