source: josm/trunk/src/org/openstreetmap/josm/Main.java@ 8282

Last change on this file since 8282 was 8168, checked in by bastiK, 9 years ago

see #11216 - Limit size of TMS cache (patch by wiktorn)
  • Property svn:eol-style set to native
File size: 62.7 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;
38import java.util.logging.Handler;
39import java.util.logging.Level;
40import java.util.logging.LogRecord;
41import java.util.logging.Logger;
42
43import javax.swing.Action;
44import javax.swing.InputMap;
45import javax.swing.JComponent;
46import javax.swing.JFrame;
47import javax.swing.JOptionPane;
48import javax.swing.JPanel;
49import javax.swing.JTextArea;
50import javax.swing.KeyStroke;
51import javax.swing.LookAndFeel;
52import javax.swing.UIManager;
53import javax.swing.UnsupportedLookAndFeelException;
54
55import org.openstreetmap.gui.jmapviewer.FeatureAdapter;
56import org.openstreetmap.josm.actions.JosmAction;
57import org.openstreetmap.josm.actions.OpenFileAction;
58import org.openstreetmap.josm.actions.downloadtasks.DownloadGpsTask;
59import org.openstreetmap.josm.actions.downloadtasks.DownloadOsmTask;
60import org.openstreetmap.josm.actions.downloadtasks.DownloadTask;
61import org.openstreetmap.josm.actions.downloadtasks.PostDownloadHandler;
62import org.openstreetmap.josm.actions.mapmode.DrawAction;
63import org.openstreetmap.josm.actions.mapmode.MapMode;
64import org.openstreetmap.josm.actions.search.SearchAction;
65import org.openstreetmap.josm.data.Bounds;
66import org.openstreetmap.josm.data.Preferences;
67import org.openstreetmap.josm.data.ProjectionBounds;
68import org.openstreetmap.josm.data.UndoRedoHandler;
69import org.openstreetmap.josm.data.ViewportData;
70import org.openstreetmap.josm.data.cache.JCSCacheManager;
71import org.openstreetmap.josm.data.coor.CoordinateFormat;
72import org.openstreetmap.josm.data.coor.LatLon;
73import org.openstreetmap.josm.data.osm.DataSet;
74import org.openstreetmap.josm.data.osm.OsmPrimitive;
75import org.openstreetmap.josm.data.osm.PrimitiveDeepCopy;
76import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor;
77import org.openstreetmap.josm.data.projection.Projection;
78import org.openstreetmap.josm.data.projection.ProjectionChangeListener;
79import org.openstreetmap.josm.data.validation.OsmValidator;
80import org.openstreetmap.josm.gui.GettingStarted;
81import org.openstreetmap.josm.gui.MainApplication.Option;
82import org.openstreetmap.josm.gui.MainMenu;
83import org.openstreetmap.josm.gui.MapFrame;
84import org.openstreetmap.josm.gui.MapFrameListener;
85import org.openstreetmap.josm.gui.MapView;
86import org.openstreetmap.josm.gui.dialogs.LayerListDialog;
87import org.openstreetmap.josm.gui.help.HelpUtil;
88import org.openstreetmap.josm.gui.io.SaveLayersDialog;
89import org.openstreetmap.josm.gui.layer.AbstractModifiableLayer;
90import org.openstreetmap.josm.gui.layer.Layer;
91import org.openstreetmap.josm.gui.layer.OsmDataLayer;
92import org.openstreetmap.josm.gui.layer.OsmDataLayer.CommandQueueListener;
93import org.openstreetmap.josm.gui.preferences.ToolbarPreferences;
94import org.openstreetmap.josm.gui.preferences.imagery.ImageryPreference;
95import org.openstreetmap.josm.gui.preferences.map.MapPaintPreference;
96import org.openstreetmap.josm.gui.preferences.projection.ProjectionPreference;
97import org.openstreetmap.josm.gui.progress.PleaseWaitProgressMonitor;
98import org.openstreetmap.josm.gui.progress.ProgressMonitorExecutor;
99import org.openstreetmap.josm.gui.tagging.TaggingPresets;
100import org.openstreetmap.josm.gui.util.RedirectInputMap;
101import org.openstreetmap.josm.gui.widgets.JMultilineLabel;
102import org.openstreetmap.josm.io.FileWatcher;
103import org.openstreetmap.josm.io.OnlineResource;
104import org.openstreetmap.josm.io.OsmApi;
105import org.openstreetmap.josm.plugins.PluginHandler;
106import org.openstreetmap.josm.tools.CheckParameterUtil;
107import org.openstreetmap.josm.tools.I18n;
108import org.openstreetmap.josm.tools.ImageProvider;
109import org.openstreetmap.josm.tools.OpenBrowser;
110import org.openstreetmap.josm.tools.OsmUrlToBounds;
111import org.openstreetmap.josm.tools.PlatformHook;
112import org.openstreetmap.josm.tools.PlatformHookOsx;
113import org.openstreetmap.josm.tools.PlatformHookUnixoid;
114import org.openstreetmap.josm.tools.PlatformHookWindows;
115import org.openstreetmap.josm.tools.Shortcut;
116import org.openstreetmap.josm.tools.Utils;
117import org.openstreetmap.josm.tools.WindowGeometry;
118
119/**
120 * Abstract class holding various static global variables and methods used in large parts of JOSM application.
121 * @since 98
122 */
123public abstract class Main {
124
125 /**
126 * The JOSM website URL.
127 * @since 6897 (was public from 6143 to 6896)
128 */
129 private static final String JOSM_WEBSITE = "https://josm.openstreetmap.de";
130
131 /**
132 * The OSM website URL.
133 * @since 6897 (was public from 6453 to 6896)
134 */
135 private static final String OSM_WEBSITE = "https://www.openstreetmap.org";
136
137 /**
138 * Replies true if JOSM currently displays a map view. False, if it doesn't, i.e. if
139 * it only shows the MOTD panel.
140 *
141 * @return <code>true</code> if JOSM currently displays a map view
142 */
143 public static boolean isDisplayingMapView() {
144 if (map == null) return false;
145 if (map.mapView == null) return false;
146 return true;
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 public static String[] commandLineArgs;
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();
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 10 error and warning messages, used for bug reports
257 * @return the first lines of last 10 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 * Prints an error message if logging is on.
266 * @param msg The message to print.
267 * @since 6248
268 */
269 public static void error(String msg) {
270 if (logLevel < 1)
271 return;
272 if (msg != null && !msg.isEmpty()) {
273 System.err.println(tr("ERROR: {0}", msg));
274 rememberWarnErrorMsg("E: "+msg);
275 }
276 }
277
278 /**
279 * Prints a warning message if logging is on.
280 * @param msg The message to print.
281 */
282 public static void warn(String msg) {
283 if (logLevel < 2)
284 return;
285 if (msg != null && !msg.isEmpty()) {
286 System.err.println(tr("WARNING: {0}", msg));
287 rememberWarnErrorMsg("W: "+msg);
288 }
289 }
290
291 /**
292 * Prints an informational message if logging is on.
293 * @param msg The message to print.
294 */
295 public static void info(String msg) {
296 if (logLevel < 3)
297 return;
298 if (msg != null && !msg.isEmpty()) {
299 System.out.println(tr("INFO: {0}", msg));
300 }
301 }
302
303 /**
304 * Prints a debug message if logging is on.
305 * @param msg The message to print.
306 */
307 public static void debug(String msg) {
308 if (logLevel < 4)
309 return;
310 if (msg != null && !msg.isEmpty()) {
311 System.out.println(tr("DEBUG: {0}", msg));
312 }
313 }
314
315 /**
316 * Prints a trace message if logging is on.
317 * @param msg The message to print.
318 */
319 public static void trace(String msg) {
320 if (logLevel < 5)
321 return;
322 if (msg != null && !msg.isEmpty()) {
323 System.out.print("TRACE: ");
324 System.out.println(msg);
325 }
326 }
327
328 /**
329 * Determines if debug log level is enabled.
330 * Useful to avoid costly construction of debug messages when not enabled.
331 * @return {@code true} if log level is at least debug, {@code false} otherwise
332 * @since 6852
333 */
334 public static boolean isDebugEnabled() {
335 return logLevel >= 4;
336 }
337
338 /**
339 * Determines if trace log level is enabled.
340 * Useful to avoid costly construction of trace messages when not enabled.
341 * @return {@code true} if log level is at least trace, {@code false} otherwise
342 * @since 6852
343 */
344 public static boolean isTraceEnabled() {
345 return logLevel >= 5;
346 }
347
348 /**
349 * Prints a formatted error message if logging is on. Calls {@link MessageFormat#format}
350 * function to format text.
351 * @param msg The formatted message to print.
352 * @param objects The objects to insert into format string.
353 * @since 6248
354 */
355 public static void error(String msg, Object... objects) {
356 error(MessageFormat.format(msg, objects));
357 }
358
359 /**
360 * Prints a formatted warning message if logging is on. Calls {@link MessageFormat#format}
361 * function to format text.
362 * @param msg The formatted message to print.
363 * @param objects The objects to insert into format string.
364 */
365 public static void warn(String msg, Object... objects) {
366 warn(MessageFormat.format(msg, objects));
367 }
368
369 /**
370 * Prints a formatted informational message if logging is on. Calls {@link MessageFormat#format}
371 * function to format text.
372 * @param msg The formatted message to print.
373 * @param objects The objects to insert into format string.
374 */
375 public static void info(String msg, Object... objects) {
376 info(MessageFormat.format(msg, objects));
377 }
378
379 /**
380 * Prints a formatted debug message if logging is on. Calls {@link MessageFormat#format}
381 * function to format text.
382 * @param msg The formatted message to print.
383 * @param objects The objects to insert into format string.
384 */
385 public static void debug(String msg, Object... objects) {
386 debug(MessageFormat.format(msg, objects));
387 }
388
389 /**
390 * Prints a formatted trace message if logging is on. Calls {@link MessageFormat#format}
391 * function to format text.
392 * @param msg The formatted message to print.
393 * @param objects The objects to insert into format string.
394 */
395 public static void trace(String msg, Object... objects) {
396 trace(MessageFormat.format(msg, objects));
397 }
398
399 /**
400 * Prints an error message for the given Throwable.
401 * @param t The throwable object causing the error
402 * @since 6248
403 */
404 public static void error(Throwable t) {
405 error(t, true);
406 }
407
408 /**
409 * Prints a warning message for the given Throwable.
410 * @param t The throwable object causing the error
411 * @since 6248
412 */
413 public static void warn(Throwable t) {
414 warn(t, true);
415 }
416
417 /**
418 * Prints an error message for the given Throwable.
419 * @param t The throwable object causing the error
420 * @param stackTrace {@code true}, if the stacktrace should be displayed
421 * @since 6642
422 */
423 public static void error(Throwable t, boolean stackTrace) {
424 error(getErrorMessage(t));
425 if (stackTrace) {
426 t.printStackTrace();
427 }
428 }
429
430 /**
431 * Prints a warning message for the given Throwable.
432 * @param t The throwable object causing the error
433 * @param stackTrace {@code true}, if the stacktrace should be displayed
434 * @since 6642
435 */
436 public static void warn(Throwable t, boolean stackTrace) {
437 warn(getErrorMessage(t));
438 if (stackTrace) {
439 t.printStackTrace();
440 }
441 }
442
443 /**
444 * Returns a human-readable message of error, also usable for developers.
445 * @param t The error
446 * @return The human-readable error message
447 * @since 6642
448 */
449 public static String getErrorMessage(Throwable t) {
450 if (t == null) {
451 return null;
452 }
453 StringBuilder sb = new StringBuilder(t.getClass().getName());
454 String msg = t.getMessage();
455 if (msg != null) {
456 sb.append(": ").append(msg.trim());
457 }
458 Throwable cause = t.getCause();
459 if (cause != null && !cause.equals(t)) {
460 sb.append(". ").append(tr("Cause: ")).append(getErrorMessage(cause));
461 }
462 return sb.toString();
463 }
464
465 /**
466 * Platform specific code goes in here.
467 * Plugins may replace it, however, some hooks will be called before any plugins have been loeaded.
468 * So if you need to hook into those early ones, split your class and send the one with the early hooks
469 * to the JOSM team for inclusion.
470 */
471 public static volatile PlatformHook platform;
472
473 /**
474 * Whether or not the java vm is openjdk
475 * We use this to work around openjdk bugs
476 */
477 public static boolean isOpenjdk;
478
479 /**
480 * Initializes {@code Main.pref} in normal application context.
481 * @since 6471
482 */
483 public static void initApplicationPreferences() {
484 Main.pref = new Preferences();
485 }
486
487 /**
488 * Set or clear (if passed <code>null</code>) the map.
489 * @param map The map to set {@link Main#map} to. Can be null.
490 */
491 public final void setMapFrame(final MapFrame map) {
492 MapFrame old = Main.map;
493 panel.setVisible(false);
494 panel.removeAll();
495 if (map != null) {
496 map.fillPanel(panel);
497 } else {
498 old.destroy();
499 panel.add(gettingStarted, BorderLayout.CENTER);
500 }
501 panel.setVisible(true);
502 redoUndoListener.commandChanged(0,0);
503
504 Main.map = map;
505
506 for (MapFrameListener listener : mapFrameListeners ) {
507 listener.mapFrameInitialized(old, map);
508 }
509 if (map == null && currentProgressMonitor != null) {
510 currentProgressMonitor.showForegroundDialog();
511 }
512 }
513
514 /**
515 * Remove the specified layer from the map. If it is the last layer,
516 * remove the map as well.
517 * @param layer The layer to remove
518 */
519 public final synchronized void removeLayer(final Layer layer) {
520 if (map != null) {
521 map.mapView.removeLayer(layer);
522 if (isDisplayingMapView() && map.mapView.getAllLayers().isEmpty()) {
523 setMapFrame(null);
524 }
525 }
526 }
527
528 private static volatile InitStatusListener initListener = null;
529
530 public static interface InitStatusListener {
531
532 void updateStatus(String event);
533 }
534
535 public static void setInitStatusListener(InitStatusListener listener) {
536 initListener = listener;
537 }
538
539 /**
540 * Constructs new {@code Main} object. A lot of global variables are initialized here.
541 */
542 public Main() {
543 main = this;
544 isOpenjdk = System.getProperty("java.vm.name").toUpperCase().indexOf("OPENJDK") != -1;
545
546 if (initListener != null) {
547 initListener.updateStatus(tr("Executing platform startup hook"));
548 }
549 platform.startupHook();
550
551 if (initListener != null) {
552 initListener.updateStatus(tr("Building main menu"));
553 }
554 contentPanePrivate.add(panel, BorderLayout.CENTER);
555 panel.add(gettingStarted, BorderLayout.CENTER);
556 menu = new MainMenu();
557
558 undoRedo.addCommandQueueListener(redoUndoListener);
559
560 // creating toolbar
561 contentPanePrivate.add(toolbar.control, BorderLayout.NORTH);
562
563 registerActionShortcut(menu.help, Shortcut.registerShortcut("system:help", tr("Help"),
564 KeyEvent.VK_F1, Shortcut.DIRECT));
565
566 // contains several initialization tasks to be executed (in parallel) by a ExecutorService
567 List<Callable<Void>> tasks = new ArrayList<>();
568
569 tasks.add(new InitializationTask(tr("Initializing OSM API")) {
570
571 @Override
572 public void initialize() throws Exception {
573 // We try to establish an API connection early, so that any API
574 // capabilities are already known to the editor instance. However
575 // if it goes wrong that's not critical at this stage.
576 try {
577 OsmApi.getOsmApi().initialize(null, true);
578 } catch (Exception e) {
579 Main.warn(getErrorMessage(Utils.getRootCause(e)));
580 }
581 }
582 });
583
584 tasks.add(new InitializationTask(tr("Initializing validator")) {
585
586 @Override
587 public void initialize() throws Exception {
588 validator = new OsmValidator();
589 MapView.addLayerChangeListener(validator);
590 }
591 });
592
593 tasks.add(new InitializationTask(tr("Initializing presets")) {
594
595 @Override
596 public void initialize() throws Exception {
597 TaggingPresets.initialize();
598 }
599 });
600
601 tasks.add(new InitializationTask(tr("Initializing map styles")) {
602
603 @Override
604 public void initialize() throws Exception {
605 MapPaintPreference.initialize();
606 }
607 });
608
609 tasks.add(new InitializationTask(tr("Loading imagery preferences")) {
610
611 @Override
612 public void initialize() throws Exception {
613 ImageryPreference.initialize();
614 }
615 });
616
617 try {
618 for (Future<Void> i : Executors.newFixedThreadPool(
619 Runtime.getRuntime().availableProcessors()).invokeAll(tasks)) {
620 i.get();
621 }
622 } catch (Exception ex) {
623 throw new RuntimeException(ex);
624 }
625
626 // hooks for the jmapviewer component
627 FeatureAdapter.registerBrowserAdapter(new FeatureAdapter.BrowserAdapter() {
628 @Override
629 public void openLink(String url) {
630 OpenBrowser.displayUrl(url);
631 }
632 });
633 FeatureAdapter.registerTranslationAdapter(I18n.getTranslationAdapter());
634 FeatureAdapter.registerLoggingAdapter(new FeatureAdapter.LoggingAdapter() {
635 @Override
636 public Logger getLogger(String name) {
637 Logger logger = Logger.getAnonymousLogger();
638 logger.setUseParentHandlers(false);
639 logger.setLevel(Level.ALL);
640 if (logger.getHandlers().length == 0) {
641 logger.addHandler(new Handler() {
642 @Override
643 public void publish(LogRecord record) {
644 String msg = MessageFormat.format(record.getMessage(), record.getParameters());
645 if (record.getLevel().intValue() >= Level.SEVERE.intValue()) {
646 Main.error(msg);
647 } else if (record.getLevel().intValue() >= Level.WARNING.intValue()) {
648 Main.warn(msg);
649 } else if (record.getLevel().intValue() >= Level.INFO.intValue()) {
650 Main.info(msg);
651 } else if (record.getLevel().intValue() >= Level.FINE.intValue()) {
652 Main.debug(msg);
653 } else {
654 Main.trace(msg);
655 }
656 }
657
658 @Override
659 public void flush() {
660 }
661
662 @Override
663 public void close() throws SecurityException {
664 }
665 });
666 }
667 return logger;
668 }
669 });
670
671 if (initListener != null) {
672 initListener.updateStatus(tr("Updating user interface"));
673 }
674
675 toolbar.refreshToolbarControl();
676
677 toolbar.control.updateUI();
678 contentPanePrivate.updateUI();
679 }
680
681 private abstract class InitializationTask implements Callable<Void> {
682
683 private final String name;
684
685 protected InitializationTask(String name) {
686 this.name = name;
687 }
688
689 public abstract void initialize() throws Exception;
690
691 @Override
692 public Void call() throws Exception {
693 if (initListener != null) {
694 initListener.updateStatus(name);
695 }
696 final long startTime = System.currentTimeMillis();
697 initialize();
698 if (isDebugEnabled()) {
699 final long elapsedTime = System.currentTimeMillis() - startTime;
700 Main.debug(tr("{0} completed in {1}", name, Utils.getDurationString(elapsedTime)));
701 }
702 return null;
703 }
704 }
705
706 /**
707 * Add a new layer to the map.
708 *
709 * If no map exists, create one.
710 *
711 * @param layer the layer
712 *
713 * @see #addLayer(Layer, ProjectionBounds)
714 * @see #addLayer(Layer, ViewportData)
715 */
716 public final void addLayer(final Layer layer) {
717 BoundingXYVisitor v = new BoundingXYVisitor();
718 layer.visitBoundingBox(v);
719 addLayer(layer, v.getBounds());
720 }
721
722 /**
723 * Add a new layer to the map.
724 *
725 * If no map exists, create one.
726 *
727 * @param layer the layer
728 * @param bounds the bounds of the layer (target zoom area); can be null, then
729 * the viewport isn't changed
730 */
731 public final synchronized void addLayer(final Layer layer, ProjectionBounds bounds) {
732 addLayer(layer, bounds == null ? null : new ViewportData(bounds));
733 }
734
735 /**
736 * Add a new layer to the map.
737 *
738 * If no map exists, create one.
739 *
740 * @param layer the layer
741 * @param viewport the viewport to zoom to; can be null, then the viewport
742 * isn't changed
743 */
744 public final synchronized void addLayer(final Layer layer, ViewportData viewport) {
745 boolean noMap = map == null;
746 if (noMap) {
747 createMapFrame(layer, viewport);
748 }
749 layer.hookUpMapView();
750 map.mapView.addLayer(layer);
751 if (noMap) {
752 Main.map.setVisible(true);
753 } else if (viewport != null) {
754 Main.map.mapView.zoomTo(viewport);
755 }
756 }
757
758 public synchronized void createMapFrame(Layer firstLayer, ViewportData viewportData) {
759 MapFrame mapFrame = new MapFrame(contentPanePrivate, viewportData);
760 setMapFrame(mapFrame);
761 if (firstLayer != null) {
762 mapFrame.selectMapMode((MapMode)mapFrame.getDefaultButtonAction(), firstLayer);
763 }
764 mapFrame.initializeDialogsPane();
765 // bootstrapping problem: make sure the layer list dialog is going to
766 // listen to change events of the very first layer
767 //
768 if (firstLayer != null) {
769 firstLayer.addPropertyChangeListener(LayerListDialog.getInstance().getModel());
770 }
771 }
772
773 /**
774 * Replies <code>true</code> if there is an edit layer
775 *
776 * @return <code>true</code> if there is an edit layer
777 */
778 public boolean hasEditLayer() {
779 if (getEditLayer() == null) return false;
780 return true;
781 }
782
783 /**
784 * Replies the current edit layer
785 *
786 * @return the current edit layer. <code>null</code>, if no current edit layer exists
787 */
788 public OsmDataLayer getEditLayer() {
789 if (!isDisplayingMapView()) return null;
790 return map.mapView.getEditLayer();
791 }
792
793 /**
794 * Replies the current data set.
795 *
796 * @return the current data set. <code>null</code>, if no current data set exists
797 */
798 public DataSet getCurrentDataSet() {
799 if (!hasEditLayer()) return null;
800 return getEditLayer().data;
801 }
802
803 /**
804 * Replies the current selected primitives, from a end-user point of view.
805 * It is not always technically the same collection of primitives than {@link DataSet#getSelected()}.
806 * Indeed, if the user is currently in drawing mode, only the way currently being drawn is returned,
807 * see {@link DrawAction#getInProgressSelection()}.
808 *
809 * @return The current selected primitives, from a end-user point of view. Can be {@code null}.
810 * @since 6546
811 */
812 public Collection<OsmPrimitive> getInProgressSelection() {
813 if (map != null && map.mapMode instanceof DrawAction) {
814 return ((DrawAction) map.mapMode).getInProgressSelection();
815 } else {
816 DataSet ds = getCurrentDataSet();
817 if (ds == null) return null;
818 return ds.getSelected();
819 }
820 }
821
822 /**
823 * Returns the currently active layer
824 *
825 * @return the currently active layer. <code>null</code>, if currently no active layer exists
826 */
827 public Layer getActiveLayer() {
828 if (!isDisplayingMapView()) return null;
829 return map.mapView.getActiveLayer();
830 }
831
832 protected static final JPanel contentPanePrivate = new JPanel(new BorderLayout());
833
834 public static void redirectToMainContentPane(JComponent source) {
835 RedirectInputMap.redirect(source, contentPanePrivate);
836 }
837
838 public static void registerActionShortcut(JosmAction action) {
839 registerActionShortcut(action, action.getShortcut());
840 }
841
842 public static void registerActionShortcut(Action action, Shortcut shortcut) {
843 KeyStroke keyStroke = shortcut.getKeyStroke();
844 if (keyStroke == null)
845 return;
846
847 InputMap inputMap = contentPanePrivate.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW);
848 Object existing = inputMap.get(keyStroke);
849 if (existing != null && !existing.equals(action)) {
850 info(String.format("Keystroke %s is already assigned to %s, will be overridden by %s", keyStroke, existing, action));
851 }
852 inputMap.put(keyStroke, action);
853
854 contentPanePrivate.getActionMap().put(action, action);
855 }
856
857 public static void unregisterShortcut(Shortcut shortcut) {
858 contentPanePrivate.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).remove(shortcut.getKeyStroke());
859 }
860
861 public static void unregisterActionShortcut(JosmAction action) {
862 unregisterActionShortcut(action, action.getShortcut());
863 }
864
865 public static void unregisterActionShortcut(Action action, Shortcut shortcut) {
866 unregisterShortcut(shortcut);
867 contentPanePrivate.getActionMap().remove(action);
868 }
869
870 /**
871 * Replies the registered action for the given shortcut
872 * @param shortcut The shortcut to look for
873 * @return the registered action for the given shortcut
874 * @since 5696
875 */
876 public static Action getRegisteredActionShortcut(Shortcut shortcut) {
877 KeyStroke keyStroke = shortcut.getKeyStroke();
878 if (keyStroke == null)
879 return null;
880 Object action = contentPanePrivate.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).get(keyStroke);
881 if (action instanceof Action)
882 return (Action) action;
883 return null;
884 }
885
886 ///////////////////////////////////////////////////////////////////////////
887 // Implementation part
888 ///////////////////////////////////////////////////////////////////////////
889
890 /**
891 * Global panel.
892 */
893 public static final JPanel panel = new JPanel(new BorderLayout());
894
895 protected static volatile WindowGeometry geometry;
896 protected static int windowState = JFrame.NORMAL;
897
898 private final CommandQueueListener redoUndoListener = new CommandQueueListener(){
899 @Override
900 public void commandChanged(final int queueSize, final int redoSize) {
901 menu.undo.setEnabled(queueSize > 0);
902 menu.redo.setEnabled(redoSize > 0);
903 }
904 };
905
906 /**
907 * Should be called before the main constructor to setup some parameter stuff
908 * @param args The parsed argument list.
909 */
910 public static void preConstructorInit(Map<Option, Collection<String>> args) {
911 ProjectionPreference.setProjection();
912
913 try {
914 String defaultlaf = platform.getDefaultStyle();
915 String laf = Main.pref.get("laf", defaultlaf);
916 try {
917 UIManager.setLookAndFeel(laf);
918 }
919 catch (final NoClassDefFoundError | ClassNotFoundException e) {
920 // Try to find look and feel in plugin classloaders
921 Class<?> klass = null;
922 for (ClassLoader cl : PluginHandler.getResourceClassLoaders()) {
923 try {
924 klass = cl.loadClass(laf);
925 break;
926 } catch (ClassNotFoundException ex) {
927 // Do nothing
928 }
929 }
930 if (klass != null && LookAndFeel.class.isAssignableFrom(klass)) {
931 try {
932 UIManager.setLookAndFeel((LookAndFeel) klass.newInstance());
933 } catch (Exception ex) {
934 warn("Cannot set Look and Feel: " + laf + ": "+ex.getMessage());
935 }
936 } else {
937 info("Look and Feel not found: " + laf);
938 Main.pref.put("laf", defaultlaf);
939 }
940 }
941 catch (final UnsupportedLookAndFeelException e) {
942 info("Look and Feel not supported: " + laf);
943 Main.pref.put("laf", defaultlaf);
944 }
945 toolbar = new ToolbarPreferences();
946 contentPanePrivate.updateUI();
947 panel.updateUI();
948 } catch (final Exception e) {
949 error(e);
950 }
951 UIManager.put("OptionPane.okIcon", ImageProvider.get("ok"));
952 UIManager.put("OptionPane.yesIcon", UIManager.get("OptionPane.okIcon"));
953 UIManager.put("OptionPane.cancelIcon", ImageProvider.get("cancel"));
954 UIManager.put("OptionPane.noIcon", UIManager.get("OptionPane.cancelIcon"));
955
956 I18n.translateJavaInternalMessages();
957
958 // init default coordinate format
959 //
960 try {
961 CoordinateFormat.setCoordinateFormat(CoordinateFormat.valueOf(Main.pref.get("coordinates")));
962 } catch (IllegalArgumentException iae) {
963 CoordinateFormat.setCoordinateFormat(CoordinateFormat.DECIMAL_DEGREES);
964 }
965
966 geometry = WindowGeometry.mainWindow("gui.geometry",
967 (args.containsKey(Option.GEOMETRY) ? args.get(Option.GEOMETRY).iterator().next() : null),
968 !args.containsKey(Option.NO_MAXIMIZE) && Main.pref.getBoolean("gui.maximized", false));
969 }
970
971 protected static void postConstructorProcessCmdLine(Map<Option, Collection<String>> args) {
972 if (args.containsKey(Option.DOWNLOAD)) {
973 List<File> fileList = new ArrayList<>();
974 for (String s : args.get(Option.DOWNLOAD)) {
975 File f = null;
976 switch(paramType(s)) {
977 case httpUrl:
978 downloadFromParamHttp(false, s);
979 break;
980 case bounds:
981 downloadFromParamBounds(false, s);
982 break;
983 case fileUrl:
984 try {
985 f = new File(new URI(s));
986 } catch (URISyntaxException e) {
987 JOptionPane.showMessageDialog(
988 Main.parent,
989 tr("Ignoring malformed file URL: \"{0}\"", s),
990 tr("Warning"),
991 JOptionPane.WARNING_MESSAGE
992 );
993 }
994 if (f!=null) {
995 fileList.add(f);
996 }
997 break;
998 case fileName:
999 f = new File(s);
1000 fileList.add(f);
1001 break;
1002 }
1003 }
1004 if(!fileList.isEmpty())
1005 {
1006 OpenFileAction.openFiles(fileList, true);
1007 }
1008 }
1009 if (args.containsKey(Option.DOWNLOADGPS)) {
1010 for (String s : args.get(Option.DOWNLOADGPS)) {
1011 switch(paramType(s)) {
1012 case httpUrl:
1013 downloadFromParamHttp(true, s);
1014 break;
1015 case bounds:
1016 downloadFromParamBounds(true, s);
1017 break;
1018 case fileUrl:
1019 case fileName:
1020 JOptionPane.showMessageDialog(
1021 Main.parent,
1022 tr("Parameter \"downloadgps\" does not accept file names or file URLs"),
1023 tr("Warning"),
1024 JOptionPane.WARNING_MESSAGE
1025 );
1026 }
1027 }
1028 }
1029 if (args.containsKey(Option.SELECTION)) {
1030 for (String s : args.get(Option.SELECTION)) {
1031 SearchAction.search(s, SearchAction.SearchMode.add);
1032 }
1033 }
1034 }
1035
1036 /**
1037 * Asks user to perform "save layer" operations (save on disk and/or upload data to server) for all {@link AbstractModifiableLayer} before JOSM exits.
1038 * @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.
1039 * @since 2025
1040 */
1041 public static boolean saveUnsavedModifications() {
1042 if (!isDisplayingMapView()) return true;
1043 return saveUnsavedModifications(map.mapView.getLayersOfType(AbstractModifiableLayer.class), true);
1044 }
1045
1046 /**
1047 * Asks user to perform "save layer" operations (save on disk and/or upload data to server) before data layers deletion.
1048 *
1049 * @param selectedLayers The layers to check. Only instances of {@link AbstractModifiableLayer} are considered.
1050 * @param exit {@code true} if JOSM is exiting, {@code false} otherwise.
1051 * @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.
1052 * @since 5519
1053 */
1054 public static boolean saveUnsavedModifications(Iterable<? extends Layer> selectedLayers, boolean exit) {
1055 SaveLayersDialog dialog = new SaveLayersDialog(parent);
1056 List<AbstractModifiableLayer> layersWithUnmodifiedChanges = new ArrayList<>();
1057 for (Layer l: selectedLayers) {
1058 if (!(l instanceof AbstractModifiableLayer)) {
1059 continue;
1060 }
1061 AbstractModifiableLayer odl = (AbstractModifiableLayer)l;
1062 if ((odl.requiresSaveToFile() || (odl.requiresUploadToServer() && !odl.isUploadDiscouraged())) && odl.isModified()) {
1063 layersWithUnmodifiedChanges.add(odl);
1064 }
1065 }
1066 if (exit) {
1067 dialog.prepareForSavingAndUpdatingLayersBeforeExit();
1068 } else {
1069 dialog.prepareForSavingAndUpdatingLayersBeforeDelete();
1070 }
1071 if (!layersWithUnmodifiedChanges.isEmpty()) {
1072 dialog.getModel().populate(layersWithUnmodifiedChanges);
1073 dialog.setVisible(true);
1074 switch(dialog.getUserAction()) {
1075 case PROCEED: return true;
1076 case CANCEL:
1077 default: return false;
1078 }
1079 }
1080
1081 return true;
1082 }
1083
1084 /**
1085 * Closes JOSM and optionally terminates the Java Virtual Machine (JVM). If there are some unsaved data layers, asks first for user confirmation.
1086 * @param exit If {@code true}, the JVM is terminated by running {@link System#exit} with a given return code.
1087 * @param exitCode The return code
1088 * @return {@code true} if JOSM has been closed, {@code false} if the user has cancelled the operation.
1089 * @since 3378
1090 */
1091 public static boolean exitJosm(boolean exit, int exitCode) {
1092 JCSCacheManager.shutdown();
1093 if (Main.saveUnsavedModifications()) {
1094 geometry.remember("gui.geometry");
1095 if (map != null) {
1096 map.rememberToggleDialogWidth();
1097 }
1098 pref.put("gui.maximized", (windowState & JFrame.MAXIMIZED_BOTH) != 0);
1099 // Remove all layers because somebody may rely on layerRemoved events (like AutosaveTask)
1100 if (Main.isDisplayingMapView()) {
1101 Collection<Layer> layers = new ArrayList<>(Main.map.mapView.getAllLayers());
1102 for (Layer l: layers) {
1103 Main.main.removeLayer(l);
1104 }
1105 }
1106 if (exit) {
1107 System.exit(exitCode);
1108 }
1109 return true;
1110 }
1111 return false;
1112 }
1113
1114 /**
1115 * The type of a command line parameter, to be used in switch statements.
1116 * @see #paramType
1117 */
1118 private enum DownloadParamType { httpUrl, fileUrl, bounds, fileName }
1119
1120 /**
1121 * Guess the type of a parameter string specified on the command line with --download= or --downloadgps.
1122 * @param s A parameter string
1123 * @return The guessed parameter type
1124 */
1125 private static DownloadParamType paramType(String s) {
1126 if(s.startsWith("http:") || s.startsWith("https:")) return DownloadParamType.httpUrl;
1127 if(s.startsWith("file:")) return DownloadParamType.fileUrl;
1128 String coorPattern = "\\s*[+-]?[0-9]+(\\.[0-9]+)?\\s*";
1129 if(s.matches(coorPattern+"(,"+coorPattern+"){3}")) return DownloadParamType.bounds;
1130 // everything else must be a file name
1131 return DownloadParamType.fileName;
1132 }
1133
1134 /**
1135 * Download area specified on the command line as OSM URL.
1136 * @param rawGps Flag to download raw GPS tracks
1137 * @param s The URL parameter
1138 */
1139 private static void downloadFromParamHttp(final boolean rawGps, String s) {
1140 final Bounds b = OsmUrlToBounds.parse(s);
1141 if (b == null) {
1142 JOptionPane.showMessageDialog(
1143 Main.parent,
1144 tr("Ignoring malformed URL: \"{0}\"", s),
1145 tr("Warning"),
1146 JOptionPane.WARNING_MESSAGE
1147 );
1148 } else {
1149 downloadFromParamBounds(rawGps, b);
1150 }
1151 }
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 static 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 downloadFromParamBounds(rawGps, b);
1166 }
1167 }
1168
1169 /**
1170 * Download area specified as Bounds value.
1171 * @param rawGps Flag to download raw GPS tracks
1172 * @param b The bounds value
1173 * @see #downloadFromParamBounds(boolean, String)
1174 * @see #downloadFromParamHttp
1175 */
1176 private static void downloadFromParamBounds(final boolean rawGps, Bounds b) {
1177 DownloadTask task = rawGps ? new DownloadGpsTask() : new DownloadOsmTask();
1178 // asynchronously launch the download task ...
1179 Future<?> future = task.download(true, b, null);
1180 // ... and the continuation when the download is finished (this will wait for the download to finish)
1181 Main.worker.execute(new PostDownloadHandler(task, future));
1182 }
1183
1184 /**
1185 * Identifies the current operating system family and initializes the platform hook accordingly.
1186 * @since 1849
1187 */
1188 public static void determinePlatformHook() {
1189 String os = System.getProperty("os.name");
1190 if (os == null) {
1191 warn("Your operating system has no name, so I'm guessing its some kind of *nix.");
1192 platform = new PlatformHookUnixoid();
1193 } else if (os.toLowerCase().startsWith("windows")) {
1194 platform = new PlatformHookWindows();
1195 } else if ("Linux".equals(os) || "Solaris".equals(os) ||
1196 "SunOS".equals(os) || "AIX".equals(os) ||
1197 "FreeBSD".equals(os) || "NetBSD".equals(os) || "OpenBSD".equals(os)) {
1198 platform = new PlatformHookUnixoid();
1199 } else if (os.toLowerCase().startsWith("mac os x")) {
1200 platform = new PlatformHookOsx();
1201 } else {
1202 warn("I don't know your operating system '"+os+"', so I'm guessing its some kind of *nix.");
1203 platform = new PlatformHookUnixoid();
1204 }
1205 }
1206
1207 private static class WindowPositionSizeListener extends WindowAdapter implements
1208 ComponentListener {
1209 @Override
1210 public void windowStateChanged(WindowEvent e) {
1211 Main.windowState = e.getNewState();
1212 }
1213
1214 @Override
1215 public void componentHidden(ComponentEvent e) {
1216 }
1217
1218 @Override
1219 public void componentMoved(ComponentEvent e) {
1220 handleComponentEvent(e);
1221 }
1222
1223 @Override
1224 public void componentResized(ComponentEvent e) {
1225 handleComponentEvent(e);
1226 }
1227
1228 @Override
1229 public void componentShown(ComponentEvent e) {
1230 }
1231
1232 private void handleComponentEvent(ComponentEvent e) {
1233 Component c = e.getComponent();
1234 if (c instanceof JFrame && c.isVisible()) {
1235 if(Main.windowState == JFrame.NORMAL) {
1236 Main.geometry = new WindowGeometry((JFrame) c);
1237 } else {
1238 Main.geometry.fixScreen((JFrame) c);
1239 }
1240 }
1241 }
1242 }
1243
1244 protected static void addListener() {
1245 parent.addComponentListener(new WindowPositionSizeListener());
1246 ((JFrame)parent).addWindowStateListener(new WindowPositionSizeListener());
1247 }
1248
1249 /**
1250 * Determines if JOSM currently runs with Java 8 or later.
1251 * @return {@code true} if the current JVM is at least Java 8, {@code false} otherwise
1252 * @since 7894
1253 */
1254 public static boolean isJava8orLater() {
1255 String version = System.getProperty("java.version");
1256 return version != null && !version.matches("^(1\\.)?[7].*");
1257 }
1258
1259 /**
1260 * Checks that JOSM is at least running with Java 7.
1261 * @since 7001
1262 */
1263 public static void checkJavaVersion() {
1264 String version = System.getProperty("java.version");
1265 if (version != null) {
1266 if (version.matches("^(1\\.)?[789].*"))
1267 return;
1268 if (version.matches("^(1\\.)?[56].*")) {
1269 JMultilineLabel ho = new JMultilineLabel("<html>"+
1270 tr("<h2>JOSM requires Java version {0}.</h2>"+
1271 "Detected Java version: {1}.<br>"+
1272 "You can <ul><li>update your Java (JRE) or</li>"+
1273 "<li>use an earlier (Java {2} compatible) version of JOSM.</li></ul>"+
1274 "More Info:", "7", version, "6")+"</html>");
1275 JTextArea link = new JTextArea(HelpUtil.getWikiBaseHelpUrl()+"/Help/SystemRequirements");
1276 link.setEditable(false);
1277 link.setBackground(panel.getBackground());
1278 JPanel panel = new JPanel(new GridBagLayout());
1279 GridBagConstraints gbc = new GridBagConstraints();
1280 gbc.gridwidth = GridBagConstraints.REMAINDER;
1281 gbc.anchor = GridBagConstraints.WEST;
1282 gbc.weightx = 1.0;
1283 panel.add(ho, gbc);
1284 panel.add(link, gbc);
1285 final String EXIT = tr("Exit JOSM");
1286 final String CONTINUE = tr("Continue, try anyway");
1287 int ret = JOptionPane.showOptionDialog(null, panel, tr("Error"), JOptionPane.YES_NO_OPTION,
1288 JOptionPane.ERROR_MESSAGE, null, new String[] {EXIT, CONTINUE}, EXIT);
1289 if (ret == 0) {
1290 System.exit(0);
1291 }
1292 return;
1293 }
1294 }
1295 error("Could not recognize Java Version: "+version);
1296 }
1297
1298 /* ----------------------------------------------------------------------------------------- */
1299 /* projection handling - Main is a registry for a single, global projection instance */
1300 /* */
1301 /* TODO: For historical reasons the registry is implemented by Main. An alternative approach */
1302 /* would be a singleton org.openstreetmap.josm.data.projection.ProjectionRegistry class. */
1303 /* ----------------------------------------------------------------------------------------- */
1304 /**
1305 * The projection method used.
1306 * use {@link #getProjection()} and {@link #setProjection(Projection)} for access.
1307 * Use {@link #setProjection(Projection)} in order to trigger a projection change event.
1308 */
1309 private static volatile Projection proj;
1310
1311 /**
1312 * Replies the current projection.
1313 *
1314 * @return the currently active projection
1315 */
1316 public static Projection getProjection() {
1317 return proj;
1318 }
1319
1320 /**
1321 * Sets the current projection
1322 *
1323 * @param p the projection
1324 */
1325 public static void setProjection(Projection p) {
1326 CheckParameterUtil.ensureParameterNotNull(p);
1327 Projection oldValue = proj;
1328 Bounds b = isDisplayingMapView() ? map.mapView.getRealBounds() : null;
1329 proj = p;
1330 fireProjectionChanged(oldValue, proj, b);
1331 }
1332
1333 /*
1334 * Keep WeakReferences to the listeners. This relieves clients from the burden of
1335 * explicitly removing the listeners and allows us to transparently register every
1336 * created dataset as projection change listener.
1337 */
1338 private static final List<WeakReference<ProjectionChangeListener>> listeners = new ArrayList<>();
1339
1340 private static void fireProjectionChanged(Projection oldValue, Projection newValue, Bounds oldBounds) {
1341 if (newValue == null ^ oldValue == null
1342 || (newValue != null && oldValue != null && !Objects.equals(newValue.toCode(), oldValue.toCode()))) {
1343
1344 synchronized(Main.class) {
1345 Iterator<WeakReference<ProjectionChangeListener>> it = listeners.iterator();
1346 while (it.hasNext()){
1347 WeakReference<ProjectionChangeListener> wr = it.next();
1348 ProjectionChangeListener listener = wr.get();
1349 if (listener == null) {
1350 it.remove();
1351 continue;
1352 }
1353 listener.projectionChanged(oldValue, newValue);
1354 }
1355 }
1356 if (newValue != null && oldBounds != null) {
1357 Main.map.mapView.zoomTo(oldBounds);
1358 }
1359 /* TODO - remove layers with fixed projection */
1360 }
1361 }
1362
1363 /**
1364 * Register a projection change listener.
1365 *
1366 * @param listener the listener. Ignored if <code>null</code>.
1367 */
1368 public static void addProjectionChangeListener(ProjectionChangeListener listener) {
1369 if (listener == null) return;
1370 synchronized (Main.class) {
1371 for (WeakReference<ProjectionChangeListener> wr : listeners) {
1372 // already registered ? => abort
1373 if (wr.get() == listener) return;
1374 }
1375 listeners.add(new WeakReference<>(listener));
1376 }
1377 }
1378
1379 /**
1380 * Removes a projection change listener.
1381 *
1382 * @param listener the listener. Ignored if <code>null</code>.
1383 */
1384 public static void removeProjectionChangeListener(ProjectionChangeListener listener) {
1385 if (listener == null) return;
1386 synchronized(Main.class){
1387 Iterator<WeakReference<ProjectionChangeListener>> it = listeners.iterator();
1388 while (it.hasNext()){
1389 WeakReference<ProjectionChangeListener> wr = it.next();
1390 // remove the listener - and any other listener which got garbage
1391 // collected in the meantime
1392 if (wr.get() == null || wr.get() == listener) {
1393 it.remove();
1394 }
1395 }
1396 }
1397 }
1398
1399 /**
1400 * Listener for window switch events.
1401 *
1402 * These are events, when the user activates a window of another application
1403 * or comes back to JOSM. Window switches from one JOSM window to another
1404 * are not reported.
1405 */
1406 public static interface WindowSwitchListener {
1407 /**
1408 * Called when the user activates a window of another application.
1409 */
1410 void toOtherApplication();
1411 /**
1412 * Called when the user comes from a window of another application
1413 * back to JOSM.
1414 */
1415 void fromOtherApplication();
1416 }
1417
1418 private static final List<WeakReference<WindowSwitchListener>> windowSwitchListeners = new ArrayList<>();
1419
1420 /**
1421 * Register a window switch listener.
1422 *
1423 * @param listener the listener. Ignored if <code>null</code>.
1424 */
1425 public static void addWindowSwitchListener(WindowSwitchListener listener) {
1426 if (listener == null) return;
1427 synchronized (Main.class) {
1428 for (WeakReference<WindowSwitchListener> wr : windowSwitchListeners) {
1429 // already registered ? => abort
1430 if (wr.get() == listener) return;
1431 }
1432 boolean wasEmpty = windowSwitchListeners.isEmpty();
1433 windowSwitchListeners.add(new WeakReference<>(listener));
1434 if (wasEmpty) {
1435 // The following call will have no effect, when there is no window
1436 // at the time. Therefore, MasterWindowListener.setup() will also be
1437 // called, as soon as the main window is shown.
1438 MasterWindowListener.setup();
1439 }
1440 }
1441 }
1442
1443 /**
1444 * Removes a window switch listener.
1445 *
1446 * @param listener the listener. Ignored if <code>null</code>.
1447 */
1448 public static void removeWindowSwitchListener(WindowSwitchListener listener) {
1449 if (listener == null) return;
1450 synchronized (Main.class){
1451 Iterator<WeakReference<WindowSwitchListener>> it = windowSwitchListeners.iterator();
1452 while (it.hasNext()){
1453 WeakReference<WindowSwitchListener> wr = it.next();
1454 // remove the listener - and any other listener which got garbage
1455 // collected in the meantime
1456 if (wr.get() == null || wr.get() == listener) {
1457 it.remove();
1458 }
1459 }
1460 if (windowSwitchListeners.isEmpty()) {
1461 MasterWindowListener.teardown();
1462 }
1463 }
1464 }
1465
1466 /**
1467 * WindowListener, that is registered on all Windows of the application.
1468 *
1469 * Its purpose is to notify WindowSwitchListeners, that the user switches to
1470 * another application, e.g. a browser, or back to JOSM.
1471 *
1472 * When changing from JOSM to another application and back (e.g. two times
1473 * alt+tab), the active Window within JOSM may be different.
1474 * Therefore, we need to register listeners to <strong>all</strong> (visible)
1475 * Windows in JOSM, and it does not suffice to monitor the one that was
1476 * deactivated last.
1477 *
1478 * This class is only "active" on demand, i.e. when there is at least one
1479 * WindowSwitchListener registered.
1480 */
1481 protected static class MasterWindowListener extends WindowAdapter {
1482
1483 private static MasterWindowListener INSTANCE;
1484
1485 public static synchronized MasterWindowListener getInstance() {
1486 if (INSTANCE == null) {
1487 INSTANCE = new MasterWindowListener();
1488 }
1489 return INSTANCE;
1490 }
1491
1492 /**
1493 * Register listeners to all non-hidden windows.
1494 *
1495 * Windows that are created later, will be cared for in {@link #windowDeactivated(WindowEvent)}.
1496 */
1497 public static void setup() {
1498 if (!windowSwitchListeners.isEmpty()) {
1499 for (Window w : Window.getWindows()) {
1500 if (w.isShowing()) {
1501 if (!Arrays.asList(w.getWindowListeners()).contains(getInstance())) {
1502 w.addWindowListener(getInstance());
1503 }
1504 }
1505 }
1506 }
1507 }
1508
1509 /**
1510 * Unregister all listeners.
1511 */
1512 public static void teardown() {
1513 for (Window w : Window.getWindows()) {
1514 w.removeWindowListener(getInstance());
1515 }
1516 }
1517
1518 @Override
1519 public void windowActivated(WindowEvent e) {
1520 if (e.getOppositeWindow() == null) { // we come from a window of a different application
1521 // fire WindowSwitchListeners
1522 synchronized (Main.class) {
1523 Iterator<WeakReference<WindowSwitchListener>> it = windowSwitchListeners.iterator();
1524 while (it.hasNext()){
1525 WeakReference<WindowSwitchListener> wr = it.next();
1526 WindowSwitchListener listener = wr.get();
1527 if (listener == null) {
1528 it.remove();
1529 continue;
1530 }
1531 listener.fromOtherApplication();
1532 }
1533 }
1534 }
1535 }
1536
1537 @Override
1538 public void windowDeactivated(WindowEvent e) {
1539 // set up windows that have been created in the meantime
1540 for (Window w : Window.getWindows()) {
1541 if (!w.isShowing()) {
1542 w.removeWindowListener(getInstance());
1543 } else {
1544 if (!Arrays.asList(w.getWindowListeners()).contains(getInstance())) {
1545 w.addWindowListener(getInstance());
1546 }
1547 }
1548 }
1549 if (e.getOppositeWindow() == null) { // we go to a window of a different application
1550 // fire WindowSwitchListeners
1551 synchronized (Main.class) {
1552 Iterator<WeakReference<WindowSwitchListener>> it = windowSwitchListeners.iterator();
1553 while (it.hasNext()){
1554 WeakReference<WindowSwitchListener> wr = it.next();
1555 WindowSwitchListener listener = wr.get();
1556 if (listener == null) {
1557 it.remove();
1558 continue;
1559 }
1560 listener.toOtherApplication();
1561 }
1562 }
1563 }
1564 }
1565 }
1566
1567 /**
1568 * Registers a new {@code MapFrameListener} that will be notified of MapFrame changes
1569 * @param listener The MapFrameListener
1570 * @param fireWhenMapViewPresent If true, will fire an initial mapFrameInitialized event
1571 * when the MapFrame is present. Otherwise will only fire when the MapFrame is created
1572 * or destroyed.
1573 * @return {@code true} if the listeners collection changed as a result of the call
1574 */
1575 public static boolean addMapFrameListener(MapFrameListener listener, boolean fireWhenMapViewPresent) {
1576 boolean changed = listener != null ? mapFrameListeners.add(listener) : false;
1577 if (fireWhenMapViewPresent && changed && map != null) {
1578 listener.mapFrameInitialized(null, map);
1579 }
1580 return changed;
1581 }
1582
1583 /**
1584 * Registers a new {@code MapFrameListener} that will be notified of MapFrame changes
1585 * @param listener The MapFrameListener
1586 * @return {@code true} if the listeners collection changed as a result of the call
1587 * @since 5957
1588 */
1589 public static boolean addMapFrameListener(MapFrameListener listener) {
1590 return addMapFrameListener(listener, false);
1591 }
1592
1593 /**
1594 * Unregisters the given {@code MapFrameListener} from MapFrame changes
1595 * @param listener The MapFrameListener
1596 * @return {@code true} if the listeners collection changed as a result of the call
1597 * @since 5957
1598 */
1599 public static boolean removeMapFrameListener(MapFrameListener listener) {
1600 return listener != null ? mapFrameListeners.remove(listener) : false;
1601 }
1602
1603 /**
1604 * Adds a new network error that occur to give a hint about broken Internet connection.
1605 * Do not use this method for errors known for sure thrown because of a bad proxy configuration.
1606 *
1607 * @param url The accessed URL that caused the error
1608 * @param t The network error
1609 * @return The previous error associated to the given resource, if any. Can be {@code null}
1610 * @since 6642
1611 */
1612 public static Throwable addNetworkError(URL url, Throwable t) {
1613 if (url != null && t != null) {
1614 Throwable old = addNetworkError(url.toExternalForm(), t);
1615 if (old != null) {
1616 Main.warn("Already here "+old);
1617 }
1618 return old;
1619 }
1620 return null;
1621 }
1622
1623 /**
1624 * Adds a new network error that occur to give a hint about broken Internet connection.
1625 * Do not use this method for errors known for sure thrown because of a bad proxy configuration.
1626 *
1627 * @param url The accessed URL that caused the error
1628 * @param t The network error
1629 * @return The previous error associated to the given resource, if any. Can be {@code null}
1630 * @since 6642
1631 */
1632 public static Throwable addNetworkError(String url, Throwable t) {
1633 if (url != null && t != null) {
1634 return NETWORK_ERRORS.put(url, t);
1635 }
1636 return null;
1637 }
1638
1639 /**
1640 * Returns the network errors that occured until now.
1641 * @return the network errors that occured until now, indexed by URL
1642 * @since 6639
1643 */
1644 public static Map<String, Throwable> getNetworkErrors() {
1645 return new HashMap<>(NETWORK_ERRORS);
1646 }
1647
1648 /**
1649 * Returns the JOSM website URL.
1650 * @return the josm website URL
1651 * @since 6897
1652 */
1653 public static String getJOSMWebsite() {
1654 if (Main.pref != null)
1655 return Main.pref.get("josm.url", JOSM_WEBSITE);
1656 return JOSM_WEBSITE;
1657 }
1658
1659 /**
1660 * Returns the JOSM XML URL.
1661 * @return the josm XML URL
1662 * @since 6897
1663 */
1664 public static String getXMLBase() {
1665 // Always return HTTP (issues reported with HTTPS)
1666 return "http://josm.openstreetmap.de";
1667 }
1668
1669 /**
1670 * Returns the OSM website URL.
1671 * @return the OSM website URL
1672 * @since 6897
1673 */
1674 public static String getOSMWebsite() {
1675 if (Main.pref != null)
1676 return Main.pref.get("osm.url", OSM_WEBSITE);
1677 return OSM_WEBSITE;
1678 }
1679
1680 /**
1681 * Replies the base URL for browsing information about a primitive.
1682 * @return the base URL, i.e. https://www.openstreetmap.org
1683 * @since 7678
1684 */
1685 public static String getBaseBrowseUrl() {
1686 if (Main.pref != null)
1687 return Main.pref.get("osm-browse.url", getOSMWebsite());
1688 return getOSMWebsite();
1689 }
1690
1691 /**
1692 * Replies the base URL for browsing information about a user.
1693 * @return the base URL, i.e. https://www.openstreetmap.org/user
1694 * @since 7678
1695 */
1696 public static String getBaseUserUrl() {
1697 if (Main.pref != null)
1698 return Main.pref.get("osm-user.url", getOSMWebsite() + "/user");
1699 return getOSMWebsite() + "/user";
1700 }
1701
1702 /**
1703 * Determines if we are currently running on OSX.
1704 * @return {@code true} if we are currently running on OSX
1705 * @since 6957
1706 */
1707 public static boolean isPlatformOsx() {
1708 return Main.platform instanceof PlatformHookOsx;
1709 }
1710
1711 /**
1712 * Determines if we are currently running on Windows.
1713 * @return {@code true} if we are currently running on Windows
1714 * @since 7335
1715 */
1716 public static boolean isPlatformWindows() {
1717 return Main.platform instanceof PlatformHookWindows;
1718 }
1719
1720 /**
1721 * Determines if the given online resource is currently offline.
1722 * @param r the online resource
1723 * @return {@code true} if {@code r} is offline and should not be accessed
1724 * @since 7434
1725 */
1726 public static boolean isOffline(OnlineResource r) {
1727 return OFFLINE_RESOURCES.contains(r) || OFFLINE_RESOURCES.contains(OnlineResource.ALL);
1728 }
1729
1730 /**
1731 * Sets the given online resource to offline state.
1732 * @param r the online resource
1733 * @return {@code true} if {@code r} was not already offline
1734 * @since 7434
1735 */
1736 public static boolean setOffline(OnlineResource r) {
1737 return OFFLINE_RESOURCES.add(r);
1738 }
1739
1740 /**
1741 * Replies the set of online resources currently offline.
1742 * @return the set of online resources currently offline
1743 * @since 7434
1744 */
1745 public static Set<OnlineResource> getOfflineResources() {
1746 return new HashSet<>(OFFLINE_RESOURCES);
1747 }
1748}
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