source: josm/trunk/src/org/openstreetmap/josm/Main.java@ 9139

Last change on this file since 9139 was 9087, checked in by Don-vip, 8 years ago

sonar - fix some errors, mainly NPEs
  • Property svn:eol-style set to native
File size: 64.5 KB
Line 
1// License: GPL. For details, see LICENSE file.
2package org.openstreetmap.josm;
3
4import static org.openstreetmap.josm.tools.I18n.tr;
5
6import java.awt.BorderLayout;
7import java.awt.Component;
8import java.awt.GridBagConstraints;
9import java.awt.GridBagLayout;
10import java.awt.Window;
11import java.awt.event.ComponentEvent;
12import java.awt.event.ComponentListener;
13import java.awt.event.KeyEvent;
14import java.awt.event.WindowAdapter;
15import java.awt.event.WindowEvent;
16import java.io.File;
17import java.lang.ref.WeakReference;
18import java.net.URI;
19import java.net.URISyntaxException;
20import java.net.URL;
21import java.text.MessageFormat;
22import java.util.ArrayList;
23import java.util.Arrays;
24import java.util.Collection;
25import java.util.Collections;
26import java.util.HashMap;
27import java.util.HashSet;
28import java.util.Iterator;
29import java.util.List;
30import java.util.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 if (map == null) return false;
147 if (map.mapView == null) return false;
148 return true;
149 }
150
151 /**
152 * Global parent component for all dialogs and message boxes
153 */
154 public static Component parent;
155
156 /**
157 * Global application.
158 */
159 public static volatile Main main;
160
161 /**
162 * Command-line arguments used to run the application.
163 */
164 protected static final List<String> COMMAND_LINE_ARGS = new ArrayList<>();
165
166 /**
167 * The worker thread slave. This is for executing all long and intensive
168 * calculations. The executed runnables are guaranteed to be executed separately
169 * and sequential.
170 */
171 public static final ExecutorService worker = new ProgressMonitorExecutor("main-worker-%d", Thread.NORM_PRIORITY);
172
173 /**
174 * Global application preferences
175 */
176 public static Preferences pref;
177
178 /**
179 * The global paste buffer.
180 */
181 public static final PrimitiveDeepCopy pasteBuffer = new PrimitiveDeepCopy();
182
183 /**
184 * The layer source from which {@link Main#pasteBuffer} data comes from.
185 */
186 public static Layer pasteSource;
187
188 /**
189 * The MapFrame. Use {@link Main#setMapFrame} to set or clear it.
190 */
191 public static MapFrame map;
192
193 /**
194 * The toolbar preference control to register new actions.
195 */
196 public static volatile ToolbarPreferences toolbar;
197
198 /**
199 * The commands undo/redo handler.
200 */
201 public final UndoRedoHandler undoRedo = new UndoRedoHandler();
202
203 /**
204 * The progress monitor being currently displayed.
205 */
206 public static PleaseWaitProgressMonitor currentProgressMonitor;
207
208 /**
209 * The main menu bar at top of screen.
210 */
211 public MainMenu menu;
212
213 /**
214 * The data validation handler.
215 */
216 public OsmValidator validator;
217
218 /**
219 * The file watcher service.
220 */
221 public static final FileWatcher fileWatcher = new FileWatcher();
222
223 /**
224 * The MOTD Layer.
225 */
226 public final GettingStarted gettingStarted = new GettingStarted();
227
228 private static final Collection<MapFrameListener> mapFrameListeners = new ArrayList<>();
229
230 protected static final Map<String, Throwable> NETWORK_ERRORS = new HashMap<>();
231
232 // First lines of last 5 error and warning messages, used for bug reports
233 private static final List<String> ERRORS_AND_WARNINGS = Collections.<String>synchronizedList(new ArrayList<String>());
234
235 private static final Set<OnlineResource> OFFLINE_RESOURCES = new HashSet<>();
236
237 /**
238 * Logging level (5 = trace, 4 = debug, 3 = info, 2 = warn, 1 = error, 0 = none).
239 * @since 6248
240 */
241 public static int logLevel = 3;
242
243 private static void rememberWarnErrorMsg(String msg) {
244 // Only remember first line of message
245 int idx = msg.indexOf('\n');
246 if (idx > 0) {
247 ERRORS_AND_WARNINGS.add(msg.substring(0, idx));
248 } else {
249 ERRORS_AND_WARNINGS.add(msg);
250 }
251 // Only keep 5 lines to avoid memory leak and incomplete stacktraces in bug reports
252 while (ERRORS_AND_WARNINGS.size() > 5) {
253 ERRORS_AND_WARNINGS.remove(0);
254 }
255 }
256
257 /**
258 * Replies the first lines of last 5 error and warning messages, used for bug reports
259 * @return the first lines of last 5 error and warning messages
260 * @since 7420
261 */
262 public static final Collection<String> getLastErrorAndWarnings() {
263 return Collections.unmodifiableList(ERRORS_AND_WARNINGS);
264 }
265
266 /**
267 * Clears the list of last error and warning messages.
268 * @since 8959
269 */
270 public static void clearLastErrorAndWarnings() {
271 ERRORS_AND_WARNINGS.clear();
272 }
273
274 /**
275 * Prints an error message if logging is on.
276 * @param msg The message to print.
277 * @since 6248
278 */
279 public static void error(String msg) {
280 if (logLevel < 1)
281 return;
282 if (msg != null && !msg.isEmpty()) {
283 System.err.println(tr("ERROR: {0}", msg));
284 rememberWarnErrorMsg("E: "+msg);
285 }
286 }
287
288 /**
289 * Prints a warning message if logging is on.
290 * @param msg The message to print.
291 */
292 public static void warn(String msg) {
293 if (logLevel < 2)
294 return;
295 if (msg != null && !msg.isEmpty()) {
296 System.err.println(tr("WARNING: {0}", msg));
297 rememberWarnErrorMsg("W: "+msg);
298 }
299 }
300
301 /**
302 * Prints an informational message if logging is on.
303 * @param msg The message to print.
304 */
305 public static void info(String msg) {
306 if (logLevel < 3)
307 return;
308 if (msg != null && !msg.isEmpty()) {
309 System.out.println(tr("INFO: {0}", msg));
310 }
311 }
312
313 /**
314 * Prints a debug message if logging is on.
315 * @param msg The message to print.
316 */
317 public static void debug(String msg) {
318 if (logLevel < 4)
319 return;
320 if (msg != null && !msg.isEmpty()) {
321 System.out.println(tr("DEBUG: {0}", msg));
322 }
323 }
324
325 /**
326 * Prints a trace message if logging is on.
327 * @param msg The message to print.
328 */
329 public static void trace(String msg) {
330 if (logLevel < 5)
331 return;
332 if (msg != null && !msg.isEmpty()) {
333 System.out.print("TRACE: ");
334 System.out.println(msg);
335 }
336 }
337
338 /**
339 * Determines if debug log level is enabled.
340 * Useful to avoid costly construction of debug messages when not enabled.
341 * @return {@code true} if log level is at least debug, {@code false} otherwise
342 * @since 6852
343 */
344 public static boolean isDebugEnabled() {
345 return logLevel >= 4;
346 }
347
348 /**
349 * Determines if trace log level is enabled.
350 * Useful to avoid costly construction of trace messages when not enabled.
351 * @return {@code true} if log level is at least trace, {@code false} otherwise
352 * @since 6852
353 */
354 public static boolean isTraceEnabled() {
355 return logLevel >= 5;
356 }
357
358 /**
359 * Prints a formatted error message if logging is on. Calls {@link MessageFormat#format}
360 * function to format text.
361 * @param msg The formatted message to print.
362 * @param objects The objects to insert into format string.
363 * @since 6248
364 */
365 public static void error(String msg, Object... objects) {
366 error(MessageFormat.format(msg, objects));
367 }
368
369 /**
370 * Prints a formatted warning 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 warn(String msg, Object... objects) {
376 warn(MessageFormat.format(msg, objects));
377 }
378
379 /**
380 * Prints a formatted informational 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 info(String msg, Object... objects) {
386 info(MessageFormat.format(msg, objects));
387 }
388
389 /**
390 * Prints a formatted debug 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 debug(String msg, Object... objects) {
396 debug(MessageFormat.format(msg, objects));
397 }
398
399 /**
400 * Prints a formatted trace message if logging is on. Calls {@link MessageFormat#format}
401 * function to format text.
402 * @param msg The formatted message to print.
403 * @param objects The objects to insert into format string.
404 */
405 public static void trace(String msg, Object... objects) {
406 trace(MessageFormat.format(msg, objects));
407 }
408
409 /**
410 * Prints an error message for the given Throwable.
411 * @param t The throwable object causing the error
412 * @since 6248
413 */
414 public static void error(Throwable t) {
415 error(t, true);
416 }
417
418 /**
419 * Prints a warning message for the given Throwable.
420 * @param t The throwable object causing the error
421 * @since 6248
422 */
423 public static void warn(Throwable t) {
424 warn(t, true);
425 }
426
427 /**
428 * Prints an error message for the given Throwable.
429 * @param t The throwable object causing the error
430 * @param stackTrace {@code true}, if the stacktrace should be displayed
431 * @since 6642
432 */
433 public static void error(Throwable t, boolean stackTrace) {
434 error(getErrorMessage(t));
435 if (stackTrace) {
436 t.printStackTrace();
437 }
438 }
439
440 /**
441 * Prints a warning message for the given Throwable.
442 * @param t The throwable object causing the error
443 * @param stackTrace {@code true}, if the stacktrace should be displayed
444 * @since 6642
445 */
446 public static void warn(Throwable t, boolean stackTrace) {
447 warn(getErrorMessage(t));
448 if (stackTrace) {
449 t.printStackTrace();
450 }
451 }
452
453 /**
454 * Returns a human-readable message of error, also usable for developers.
455 * @param t The error
456 * @return The human-readable error message
457 * @since 6642
458 */
459 public static String getErrorMessage(Throwable t) {
460 if (t == null) {
461 return null;
462 }
463 StringBuilder sb = new StringBuilder(t.getClass().getName());
464 String msg = t.getMessage();
465 if (msg != null) {
466 sb.append(": ").append(msg.trim());
467 }
468 Throwable cause = t.getCause();
469 if (cause != null && !cause.equals(t)) {
470 sb.append(". ").append(tr("Cause: ")).append(getErrorMessage(cause));
471 }
472 return sb.toString();
473 }
474
475 /**
476 * Platform specific code goes in here.
477 * Plugins may replace it, however, some hooks will be called before any plugins have been loeaded.
478 * So if you need to hook into those early ones, split your class and send the one with the early hooks
479 * to the JOSM team for inclusion.
480 */
481 public static volatile PlatformHook platform;
482
483 /**
484 * Whether or not the java vm is openjdk
485 * We use this to work around openjdk bugs
486 */
487 public static boolean isOpenjdk;
488
489 /**
490 * Initializes {@code Main.pref} in normal application context.
491 * @since 6471
492 */
493 public static void initApplicationPreferences() {
494 Main.pref = new Preferences();
495 }
496
497 /**
498 * Set or clear (if passed <code>null</code>) the map.
499 * @param map The map to set {@link Main#map} to. Can be null.
500 */
501 public final void setMapFrame(final MapFrame map) {
502 MapFrame old = Main.map;
503 panel.setVisible(false);
504 panel.removeAll();
505 if (map != null) {
506 map.fillPanel(panel);
507 } else {
508 old.destroy();
509 panel.add(gettingStarted, BorderLayout.CENTER);
510 }
511 panel.setVisible(true);
512 redoUndoListener.commandChanged(0, 0);
513
514 Main.map = map;
515
516 for (MapFrameListener listener : mapFrameListeners) {
517 listener.mapFrameInitialized(old, map);
518 }
519 if (map == null && currentProgressMonitor != null) {
520 currentProgressMonitor.showForegroundDialog();
521 }
522 }
523
524 /**
525 * Remove the specified layer from the map. If it is the last layer,
526 * remove the map as well.
527 * @param layer The layer to remove
528 */
529 public final synchronized void removeLayer(final Layer layer) {
530 if (map != null) {
531 map.mapView.removeLayer(layer);
532 if (isDisplayingMapView() && map.mapView.getAllLayers().isEmpty()) {
533 setMapFrame(null);
534 }
535 }
536 }
537
538 private static volatile InitStatusListener initListener;
539
540 public interface InitStatusListener {
541
542 Object updateStatus(String event);
543
544 void finish(Object status);
545 }
546
547 public static void setInitStatusListener(InitStatusListener listener) {
548 CheckParameterUtil.ensureParameterNotNull(listener);
549 initListener = listener;
550 }
551
552 /**
553 * Constructs new {@code Main} object. A lot of global variables are initialized here.
554 */
555 public Main() {
556 main = this;
557 isOpenjdk = System.getProperty("java.vm.name").toUpperCase(Locale.ENGLISH).indexOf("OPENJDK") != -1;
558
559 new InitializationTask(tr("Executing platform startup hook")) {
560 @Override
561 public void initialize() {
562 platform.startupHook();
563 }
564 }.call();
565
566 new InitializationTask(tr("Building main menu")) {
567
568 @Override
569 public void initialize() {
570 contentPanePrivate.add(panel, BorderLayout.CENTER);
571 panel.add(gettingStarted, BorderLayout.CENTER);
572 menu = new MainMenu();
573 }
574 }.call();
575
576 undoRedo.addCommandQueueListener(redoUndoListener);
577
578 // creating toolbar
579 contentPanePrivate.add(toolbar.control, BorderLayout.NORTH);
580
581 registerActionShortcut(menu.help, Shortcut.registerShortcut("system:help", tr("Help"),
582 KeyEvent.VK_F1, Shortcut.DIRECT));
583
584 // contains several initialization tasks to be executed (in parallel) by a ExecutorService
585 List<Callable<Void>> tasks = new ArrayList<>();
586
587 tasks.add(new InitializationTask(tr("Initializing OSM API")) {
588
589 @Override
590 public void initialize() {
591 // We try to establish an API connection early, so that any API
592 // capabilities are already known to the editor instance. However
593 // if it goes wrong that's not critical at this stage.
594 try {
595 OsmApi.getOsmApi().initialize(null, true);
596 } catch (Exception e) {
597 Main.warn(getErrorMessage(Utils.getRootCause(e)));
598 }
599 }
600 });
601
602 tasks.add(new InitializationTask(tr("Initializing validator")) {
603
604 @Override
605 public void initialize() {
606 validator = new OsmValidator();
607 MapView.addLayerChangeListener(validator);
608 }
609 });
610
611 tasks.add(new InitializationTask(tr("Initializing presets")) {
612
613 @Override
614 public void initialize() {
615 TaggingPresets.initialize();
616 }
617 });
618
619 tasks.add(new InitializationTask(tr("Initializing map styles")) {
620
621 @Override
622 public void initialize() {
623 MapPaintPreference.initialize();
624 }
625 });
626
627 tasks.add(new InitializationTask(tr("Loading imagery preferences")) {
628
629 @Override
630 public void initialize() {
631 ImageryPreference.initialize();
632 }
633 });
634
635 try {
636 final ExecutorService service = Executors.newFixedThreadPool(
637 Runtime.getRuntime().availableProcessors(), Utils.newThreadFactory("main-init-%d", Thread.NORM_PRIORITY));
638 for (Future<Void> i : service.invokeAll(tasks)) {
639 i.get();
640 }
641 service.shutdown();
642 } catch (Exception ex) {
643 throw new RuntimeException(ex);
644 }
645
646 // hooks for the jmapviewer component
647 FeatureAdapter.registerBrowserAdapter(new FeatureAdapter.BrowserAdapter() {
648 @Override
649 public void openLink(String url) {
650 OpenBrowser.displayUrl(url);
651 }
652 });
653 FeatureAdapter.registerTranslationAdapter(I18n.getTranslationAdapter());
654 FeatureAdapter.registerLoggingAdapter(new FeatureAdapter.LoggingAdapter() {
655 @Override
656 public Logger getLogger(String name) {
657 Logger logger = Logger.getAnonymousLogger();
658 logger.setUseParentHandlers(false);
659 logger.setLevel(Level.ALL);
660 if (logger.getHandlers().length == 0) {
661 logger.addHandler(new Handler() {
662 @Override
663 public void publish(LogRecord record) {
664 String msg = MessageFormat.format(record.getMessage(), record.getParameters());
665 if (record.getLevel().intValue() >= Level.SEVERE.intValue()) {
666 Main.error(msg);
667 } else if (record.getLevel().intValue() >= Level.WARNING.intValue()) {
668 Main.warn(msg);
669 } else if (record.getLevel().intValue() >= Level.INFO.intValue()) {
670 Main.info(msg);
671 } else if (record.getLevel().intValue() >= Level.FINE.intValue()) {
672 Main.debug(msg);
673 } else {
674 Main.trace(msg);
675 }
676 }
677
678 @Override
679 public void flush() {
680 }
681
682 @Override
683 public void close() {
684 }
685 });
686 }
687 return logger;
688 }
689 });
690
691 new InitializationTask(tr("Updating user interface")) {
692
693 @Override
694 public void initialize() {
695 toolbar.refreshToolbarControl();
696 toolbar.control.updateUI();
697 contentPanePrivate.updateUI();
698 }
699 }.call();
700 }
701
702 private abstract static class InitializationTask implements Callable<Void> {
703
704 private final String name;
705
706 protected InitializationTask(String name) {
707 this.name = name;
708 }
709
710 public abstract void initialize();
711
712 @Override
713 public Void call() {
714 Object status = null;
715 if (initListener != null) {
716 status = initListener.updateStatus(name);
717 }
718 initialize();
719 if (initListener != null) {
720 initListener.finish(status);
721 }
722 return null;
723 }
724 }
725
726 /**
727 * Add a new layer to the map.
728 *
729 * If no map exists, create one.
730 *
731 * @param layer the layer
732 *
733 * @see #addLayer(Layer, ProjectionBounds)
734 * @see #addLayer(Layer, ViewportData)
735 */
736 public final void addLayer(final Layer layer) {
737 BoundingXYVisitor v = new BoundingXYVisitor();
738 layer.visitBoundingBox(v);
739 addLayer(layer, v.getBounds());
740 }
741
742 /**
743 * Add a new layer to the map.
744 *
745 * If no map exists, create one.
746 *
747 * @param layer the layer
748 * @param bounds the bounds of the layer (target zoom area); can be null, then
749 * the viewport isn't changed
750 */
751 public final synchronized void addLayer(final Layer layer, ProjectionBounds bounds) {
752 addLayer(layer, bounds == null ? null : new ViewportData(bounds));
753 }
754
755 /**
756 * Add a new layer to the map.
757 *
758 * If no map exists, create one.
759 *
760 * @param layer the layer
761 * @param viewport the viewport to zoom to; can be null, then the viewport
762 * isn't changed
763 */
764 public final synchronized void addLayer(final Layer layer, ViewportData viewport) {
765 boolean noMap = map == null;
766 if (noMap) {
767 createMapFrame(layer, viewport);
768 }
769 layer.hookUpMapView();
770 map.mapView.addLayer(layer);
771 if (noMap) {
772 Main.map.setVisible(true);
773 } else if (viewport != null) {
774 Main.map.mapView.zoomTo(viewport);
775 }
776 }
777
778 public synchronized void createMapFrame(Layer firstLayer, ViewportData viewportData) {
779 MapFrame mapFrame = new MapFrame(contentPanePrivate, viewportData);
780 setMapFrame(mapFrame);
781 if (firstLayer != null) {
782 mapFrame.selectMapMode((MapMode) mapFrame.getDefaultButtonAction(), firstLayer);
783 }
784 mapFrame.initializeDialogsPane();
785 // bootstrapping problem: make sure the layer list dialog is going to
786 // listen to change events of the very first layer
787 //
788 if (firstLayer != null) {
789 firstLayer.addPropertyChangeListener(LayerListDialog.getInstance().getModel());
790 }
791 }
792
793 /**
794 * Replies <code>true</code> if there is an edit layer
795 *
796 * @return <code>true</code> if there is an edit layer
797 */
798 public boolean hasEditLayer() {
799 if (getEditLayer() == null) return false;
800 return true;
801 }
802
803 /**
804 * Replies the current edit layer
805 *
806 * @return the current edit layer. <code>null</code>, if no current edit layer exists
807 */
808 public OsmDataLayer getEditLayer() {
809 if (!isDisplayingMapView()) return null;
810 return map.mapView.getEditLayer();
811 }
812
813 /**
814 * Replies the current data set.
815 *
816 * @return the current data set. <code>null</code>, if no current data set exists
817 */
818 public DataSet getCurrentDataSet() {
819 if (!hasEditLayer()) return null;
820 return getEditLayer().data;
821 }
822
823 /**
824 * Replies the current selected primitives, from a end-user point of view.
825 * It is not always technically the same collection of primitives than {@link DataSet#getSelected()}.
826 * Indeed, if the user is currently in drawing mode, only the way currently being drawn is returned,
827 * see {@link DrawAction#getInProgressSelection()}.
828 *
829 * @return The current selected primitives, from a end-user point of view. Can be {@code null}.
830 * @since 6546
831 */
832 public Collection<OsmPrimitive> getInProgressSelection() {
833 if (map != null && map.mapMode instanceof DrawAction) {
834 return ((DrawAction) map.mapMode).getInProgressSelection();
835 } else {
836 DataSet ds = getCurrentDataSet();
837 if (ds == null) return null;
838 return ds.getSelected();
839 }
840 }
841
842 /**
843 * Returns the currently active layer
844 *
845 * @return the currently active layer. <code>null</code>, if currently no active layer exists
846 */
847 public Layer getActiveLayer() {
848 if (!isDisplayingMapView()) return null;
849 return map.mapView.getActiveLayer();
850 }
851
852 protected static final JPanel contentPanePrivate = new JPanel(new BorderLayout());
853
854 public static void redirectToMainContentPane(JComponent source) {
855 RedirectInputMap.redirect(source, contentPanePrivate);
856 }
857
858 public static void registerActionShortcut(JosmAction action) {
859 registerActionShortcut(action, action.getShortcut());
860 }
861
862 public static void registerActionShortcut(Action action, Shortcut shortcut) {
863 KeyStroke keyStroke = shortcut.getKeyStroke();
864 if (keyStroke == null)
865 return;
866
867 InputMap inputMap = contentPanePrivate.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW);
868 Object existing = inputMap.get(keyStroke);
869 if (existing != null && !existing.equals(action)) {
870 info(String.format("Keystroke %s is already assigned to %s, will be overridden by %s", keyStroke, existing, action));
871 }
872 inputMap.put(keyStroke, action);
873
874 contentPanePrivate.getActionMap().put(action, action);
875 }
876
877 public static void unregisterShortcut(Shortcut shortcut) {
878 contentPanePrivate.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).remove(shortcut.getKeyStroke());
879 }
880
881 public static void unregisterActionShortcut(JosmAction action) {
882 unregisterActionShortcut(action, action.getShortcut());
883 }
884
885 public static void unregisterActionShortcut(Action action, Shortcut shortcut) {
886 unregisterShortcut(shortcut);
887 contentPanePrivate.getActionMap().remove(action);
888 }
889
890 /**
891 * Replies the registered action for the given shortcut
892 * @param shortcut The shortcut to look for
893 * @return the registered action for the given shortcut
894 * @since 5696
895 */
896 public static Action getRegisteredActionShortcut(Shortcut shortcut) {
897 KeyStroke keyStroke = shortcut.getKeyStroke();
898 if (keyStroke == null)
899 return null;
900 Object action = contentPanePrivate.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).get(keyStroke);
901 if (action instanceof Action)
902 return (Action) action;
903 return null;
904 }
905
906 ///////////////////////////////////////////////////////////////////////////
907 // Implementation part
908 ///////////////////////////////////////////////////////////////////////////
909
910 /**
911 * Global panel.
912 */
913 public static final JPanel panel = new JPanel(new BorderLayout());
914
915 protected static volatile WindowGeometry geometry;
916 protected static int windowState = JFrame.NORMAL;
917
918 private final CommandQueueListener redoUndoListener = new CommandQueueListener() {
919 @Override
920 public void commandChanged(final int queueSize, final int redoSize) {
921 menu.undo.setEnabled(queueSize > 0);
922 menu.redo.setEnabled(redoSize > 0);
923 }
924 };
925
926 /**
927 * Should be called before the main constructor to setup some parameter stuff
928 * @param args The parsed argument list.
929 */
930 public static void preConstructorInit(Map<Option, Collection<String>> args) {
931 ProjectionPreference.setProjection();
932
933 try {
934 String defaultlaf = platform.getDefaultStyle();
935 String laf = Main.pref.get("laf", defaultlaf);
936 try {
937 UIManager.setLookAndFeel(laf);
938 } catch (final NoClassDefFoundError | ClassNotFoundException e) {
939 // Try to find look and feel in plugin classloaders
940 Class<?> klass = null;
941 for (ClassLoader cl : PluginHandler.getResourceClassLoaders()) {
942 try {
943 klass = cl.loadClass(laf);
944 break;
945 } catch (ClassNotFoundException ex) {
946 // Do nothing
947 if (Main.isTraceEnabled()) {
948 Main.trace(ex.getMessage());
949 }
950 }
951 }
952 if (klass != null && LookAndFeel.class.isAssignableFrom(klass)) {
953 try {
954 UIManager.setLookAndFeel((LookAndFeel) klass.newInstance());
955 } catch (Exception ex) {
956 warn("Cannot set Look and Feel: " + laf + ": "+ex.getMessage());
957 }
958 } else {
959 info("Look and Feel not found: " + laf);
960 Main.pref.put("laf", defaultlaf);
961 }
962 } catch (final UnsupportedLookAndFeelException e) {
963 info("Look and Feel not supported: " + laf);
964 Main.pref.put("laf", defaultlaf);
965 }
966 toolbar = new ToolbarPreferences();
967 contentPanePrivate.updateUI();
968 panel.updateUI();
969 } catch (final Exception e) {
970 error(e);
971 }
972 UIManager.put("OptionPane.okIcon", ImageProvider.get("ok"));
973 UIManager.put("OptionPane.yesIcon", UIManager.get("OptionPane.okIcon"));
974 UIManager.put("OptionPane.cancelIcon", ImageProvider.get("cancel"));
975 UIManager.put("OptionPane.noIcon", UIManager.get("OptionPane.cancelIcon"));
976
977 I18n.translateJavaInternalMessages();
978
979 // init default coordinate format
980 //
981 try {
982 CoordinateFormat.setCoordinateFormat(CoordinateFormat.valueOf(Main.pref.get("coordinates")));
983 } catch (IllegalArgumentException iae) {
984 CoordinateFormat.setCoordinateFormat(CoordinateFormat.DECIMAL_DEGREES);
985 }
986
987 geometry = WindowGeometry.mainWindow("gui.geometry",
988 args.containsKey(Option.GEOMETRY) ? args.get(Option.GEOMETRY).iterator().next() : null,
989 !args.containsKey(Option.NO_MAXIMIZE) && Main.pref.getBoolean("gui.maximized", false));
990 }
991
992 protected static void postConstructorProcessCmdLine(Map<Option, Collection<String>> args) {
993 if (args.containsKey(Option.DOWNLOAD)) {
994 List<File> fileList = new ArrayList<>();
995 for (String s : args.get(Option.DOWNLOAD)) {
996 DownloadParamType.paramType(s).download(s, fileList);
997 }
998 if (!fileList.isEmpty()) {
999 OpenFileAction.openFiles(fileList, true);
1000 }
1001 }
1002 if (args.containsKey(Option.DOWNLOADGPS)) {
1003 for (String s : args.get(Option.DOWNLOADGPS)) {
1004 DownloadParamType.paramType(s).downloadGps(s);
1005 }
1006 }
1007 if (args.containsKey(Option.SELECTION)) {
1008 for (String s : args.get(Option.SELECTION)) {
1009 SearchAction.search(s, SearchAction.SearchMode.add);
1010 }
1011 }
1012 }
1013
1014 /**
1015 * Asks user to perform "save layer" operations (save on disk and/or upload data to server) for all
1016 * {@link AbstractModifiableLayer} before JOSM exits.
1017 * @return {@code true} if there was nothing to save, or if the user wants to proceed to save operations.
1018 * {@code false} if the user cancels.
1019 * @since 2025
1020 */
1021 public static boolean saveUnsavedModifications() {
1022 if (!isDisplayingMapView()) return true;
1023 return saveUnsavedModifications(map.mapView.getLayersOfType(AbstractModifiableLayer.class), true);
1024 }
1025
1026 /**
1027 * Asks user to perform "save layer" operations (save on disk and/or upload data to server) before data layers deletion.
1028 *
1029 * @param selectedLayers The layers to check. Only instances of {@link AbstractModifiableLayer} are considered.
1030 * @param exit {@code true} if JOSM is exiting, {@code false} otherwise.
1031 * @return {@code true} if there was nothing to save, or if the user wants to proceed to save operations.
1032 * {@code false} if the user cancels.
1033 * @since 5519
1034 */
1035 public static boolean saveUnsavedModifications(Iterable<? extends Layer> selectedLayers, boolean exit) {
1036 SaveLayersDialog dialog = new SaveLayersDialog(parent);
1037 List<AbstractModifiableLayer> layersWithUnmodifiedChanges = new ArrayList<>();
1038 for (Layer l: selectedLayers) {
1039 if (!(l instanceof AbstractModifiableLayer)) {
1040 continue;
1041 }
1042 AbstractModifiableLayer odl = (AbstractModifiableLayer) l;
1043 if ((odl.requiresSaveToFile() || (odl.requiresUploadToServer() && !odl.isUploadDiscouraged())) && odl.isModified()) {
1044 layersWithUnmodifiedChanges.add(odl);
1045 }
1046 }
1047 if (exit) {
1048 dialog.prepareForSavingAndUpdatingLayersBeforeExit();
1049 } else {
1050 dialog.prepareForSavingAndUpdatingLayersBeforeDelete();
1051 }
1052 if (!layersWithUnmodifiedChanges.isEmpty()) {
1053 dialog.getModel().populate(layersWithUnmodifiedChanges);
1054 dialog.setVisible(true);
1055 switch(dialog.getUserAction()) {
1056 case PROCEED: return true;
1057 case CANCEL:
1058 default: return false;
1059 }
1060 }
1061
1062 return true;
1063 }
1064
1065 /**
1066 * Closes JOSM and optionally terminates the Java Virtual Machine (JVM).
1067 * If there are some unsaved data layers, asks first for user confirmation.
1068 * @param exit If {@code true}, the JVM is terminated by running {@link System#exit} with a given return code.
1069 * @param exitCode The return code
1070 * @return {@code true} if JOSM has been closed, {@code false} if the user has cancelled the operation.
1071 * @since 3378
1072 */
1073 public static boolean exitJosm(boolean exit, int exitCode) {
1074 if (Main.saveUnsavedModifications()) {
1075 worker.shutdown();
1076 ImageProvider.shutdown(false);
1077 JCSCacheManager.shutdown();
1078 geometry.remember("gui.geometry");
1079 if (map != null) {
1080 map.rememberToggleDialogWidth();
1081 }
1082 pref.put("gui.maximized", (windowState & JFrame.MAXIMIZED_BOTH) != 0);
1083 // Remove all layers because somebody may rely on layerRemoved events (like AutosaveTask)
1084 if (Main.isDisplayingMapView()) {
1085 Collection<Layer> layers = new ArrayList<>(Main.map.mapView.getAllLayers());
1086 for (Layer l: layers) {
1087 Main.main.removeLayer(l);
1088 }
1089 }
1090 worker.shutdownNow();
1091 ImageProvider.shutdown(true);
1092
1093 if (exit) {
1094 System.exit(exitCode);
1095 }
1096 return true;
1097 }
1098 return false;
1099 }
1100
1101 /**
1102 * The type of a command line parameter, to be used in switch statements.
1103 * @see #paramType
1104 */
1105 enum DownloadParamType {
1106 httpUrl {
1107 @Override
1108 void download(String s, Collection<File> fileList) {
1109 new OpenLocationAction().openUrl(false, s);
1110 }
1111
1112 @Override
1113 void downloadGps(String s) {
1114 final Bounds b = OsmUrlToBounds.parse(s);
1115 if (b == null) {
1116 JOptionPane.showMessageDialog(
1117 Main.parent,
1118 tr("Ignoring malformed URL: \"{0}\"", s),
1119 tr("Warning"),
1120 JOptionPane.WARNING_MESSAGE
1121 );
1122 return;
1123 }
1124 downloadFromParamBounds(true, b);
1125 }
1126 }, fileUrl {
1127 @Override
1128 void download(String s, Collection<File> fileList) {
1129 File f = null;
1130 try {
1131 f = new File(new URI(s));
1132 } catch (URISyntaxException e) {
1133 JOptionPane.showMessageDialog(
1134 Main.parent,
1135 tr("Ignoring malformed file URL: \"{0}\"", s),
1136 tr("Warning"),
1137 JOptionPane.WARNING_MESSAGE
1138 );
1139 }
1140 if (f != null) {
1141 fileList.add(f);
1142 }
1143 }
1144 }, bounds {
1145
1146 /**
1147 * Download area specified on the command line as bounds string.
1148 * @param rawGps Flag to download raw GPS tracks
1149 * @param s The bounds parameter
1150 */
1151 private void downloadFromParamBounds(final boolean rawGps, String s) {
1152 final StringTokenizer st = new StringTokenizer(s, ",");
1153 if (st.countTokens() == 4) {
1154 Bounds b = new Bounds(
1155 new LatLon(Double.parseDouble(st.nextToken()), Double.parseDouble(st.nextToken())),
1156 new LatLon(Double.parseDouble(st.nextToken()), Double.parseDouble(st.nextToken()))
1157 );
1158 Main.downloadFromParamBounds(rawGps, b);
1159 }
1160 }
1161
1162 @Override
1163 void download(String param, Collection<File> fileList) {
1164 downloadFromParamBounds(false, param);
1165 }
1166
1167 @Override
1168 void downloadGps(String param) {
1169 downloadFromParamBounds(true, param);
1170 }
1171 }, fileName {
1172 @Override
1173 void download(String s, Collection<File> fileList) {
1174 fileList.add(new File(s));
1175 }
1176 };
1177
1178 /**
1179 * Performs the download
1180 * @param param represents the object to be downloaded
1181 * @param fileList files which shall be opened, should be added to this collection
1182 */
1183 abstract void download(String param, Collection<File> fileList);
1184
1185 /**
1186 * Performs the GPS download
1187 * @param param represents the object to be downloaded
1188 */
1189 void downloadGps(String param) {
1190 JOptionPane.showMessageDialog(
1191 Main.parent,
1192 tr("Parameter \"downloadgps\" does not accept file names or file URLs"),
1193 tr("Warning"),
1194 JOptionPane.WARNING_MESSAGE
1195 );
1196 }
1197
1198 /**
1199 * Guess the type of a parameter string specified on the command line with --download= or --downloadgps.
1200 *
1201 * @param s A parameter string
1202 * @return The guessed parameter type
1203 */
1204 static DownloadParamType paramType(String s) {
1205 if (s.startsWith("http:") || s.startsWith("https:")) return DownloadParamType.httpUrl;
1206 if (s.startsWith("file:")) return DownloadParamType.fileUrl;
1207 String coorPattern = "\\s*[+-]?[0-9]+(\\.[0-9]+)?\\s*";
1208 if (s.matches(coorPattern + "(," + coorPattern + "){3}")) return DownloadParamType.bounds;
1209 // everything else must be a file name
1210 return DownloadParamType.fileName;
1211 }
1212 }
1213
1214 /**
1215 * Download area specified as Bounds value.
1216 * @param rawGps Flag to download raw GPS tracks
1217 * @param b The bounds value
1218 */
1219 private static void downloadFromParamBounds(final boolean rawGps, Bounds b) {
1220 DownloadTask task = rawGps ? new DownloadGpsTask() : new DownloadOsmTask();
1221 // asynchronously launch the download task ...
1222 Future<?> future = task.download(true, b, null);
1223 // ... and the continuation when the download is finished (this will wait for the download to finish)
1224 Main.worker.execute(new PostDownloadHandler(task, future));
1225 }
1226
1227 /**
1228 * Identifies the current operating system family and initializes the platform hook accordingly.
1229 * @since 1849
1230 */
1231 public static void determinePlatformHook() {
1232 String os = System.getProperty("os.name");
1233 if (os == null) {
1234 warn("Your operating system has no name, so I'm guessing its some kind of *nix.");
1235 platform = new PlatformHookUnixoid();
1236 } else if (os.toLowerCase(Locale.ENGLISH).startsWith("windows")) {
1237 platform = new PlatformHookWindows();
1238 } else if ("Linux".equals(os) || "Solaris".equals(os) ||
1239 "SunOS".equals(os) || "AIX".equals(os) ||
1240 "FreeBSD".equals(os) || "NetBSD".equals(os) || "OpenBSD".equals(os)) {
1241 platform = new PlatformHookUnixoid();
1242 } else if (os.toLowerCase(Locale.ENGLISH).startsWith("mac os x")) {
1243 platform = new PlatformHookOsx();
1244 } else {
1245 warn("I don't know your operating system '"+os+"', so I'm guessing its some kind of *nix.");
1246 platform = new PlatformHookUnixoid();
1247 }
1248 }
1249
1250 private static class WindowPositionSizeListener extends WindowAdapter implements
1251 ComponentListener {
1252 @Override
1253 public void windowStateChanged(WindowEvent e) {
1254 Main.windowState = e.getNewState();
1255 }
1256
1257 @Override
1258 public void componentHidden(ComponentEvent e) {
1259 }
1260
1261 @Override
1262 public void componentMoved(ComponentEvent e) {
1263 handleComponentEvent(e);
1264 }
1265
1266 @Override
1267 public void componentResized(ComponentEvent e) {
1268 handleComponentEvent(e);
1269 }
1270
1271 @Override
1272 public void componentShown(ComponentEvent e) {
1273 }
1274
1275 private static void handleComponentEvent(ComponentEvent e) {
1276 Component c = e.getComponent();
1277 if (c instanceof JFrame && c.isVisible()) {
1278 if (Main.windowState == JFrame.NORMAL) {
1279 Main.geometry = new WindowGeometry((JFrame) c);
1280 } else {
1281 Main.geometry.fixScreen((JFrame) c);
1282 }
1283 }
1284 }
1285 }
1286
1287 protected static void addListener() {
1288 parent.addComponentListener(new WindowPositionSizeListener());
1289 ((JFrame) parent).addWindowStateListener(new WindowPositionSizeListener());
1290 }
1291
1292 /**
1293 * Determines if JOSM currently runs with Java 8 or later.
1294 * @return {@code true} if the current JVM is at least Java 8, {@code false} otherwise
1295 * @since 7894
1296 */
1297 public static boolean isJava8orLater() {
1298 String version = System.getProperty("java.version");
1299 return version != null && !version.matches("^(1\\.)?[7].*");
1300 }
1301
1302 /**
1303 * Checks that JOSM is at least running with Java 7.
1304 * @since 7001
1305 */
1306 public static void checkJavaVersion() {
1307 String version = System.getProperty("java.version");
1308 if (version != null) {
1309 if (version.matches("^(1\\.)?[789].*"))
1310 return;
1311 if (version.matches("^(1\\.)?[56].*")) {
1312 JMultilineLabel ho = new JMultilineLabel("<html>"+
1313 tr("<h2>JOSM requires Java version {0}.</h2>"+
1314 "Detected Java version: {1}.<br>"+
1315 "You can <ul><li>update your Java (JRE) or</li>"+
1316 "<li>use an earlier (Java {2} compatible) version of JOSM.</li></ul>"+
1317 "More Info:", "7", version, "6")+"</html>");
1318 JTextArea link = new JTextArea(HelpUtil.getWikiBaseHelpUrl()+"/Help/SystemRequirements");
1319 link.setEditable(false);
1320 link.setBackground(panel.getBackground());
1321 JPanel panel = new JPanel(new GridBagLayout());
1322 GridBagConstraints gbc = new GridBagConstraints();
1323 gbc.gridwidth = GridBagConstraints.REMAINDER;
1324 gbc.anchor = GridBagConstraints.WEST;
1325 gbc.weightx = 1.0;
1326 panel.add(ho, gbc);
1327 panel.add(link, gbc);
1328 final String EXIT = tr("Exit JOSM");
1329 final String CONTINUE = tr("Continue, try anyway");
1330 int ret = JOptionPane.showOptionDialog(null, panel, tr("Error"), JOptionPane.YES_NO_OPTION,
1331 JOptionPane.ERROR_MESSAGE, null, new String[] {EXIT, CONTINUE}, EXIT);
1332 if (ret == 0) {
1333 System.exit(0);
1334 }
1335 return;
1336 }
1337 }
1338 error("Could not recognize Java Version: "+version);
1339 }
1340
1341 /* ----------------------------------------------------------------------------------------- */
1342 /* projection handling - Main is a registry for a single, global projection instance */
1343 /* */
1344 /* TODO: For historical reasons the registry is implemented by Main. An alternative approach */
1345 /* would be a singleton org.openstreetmap.josm.data.projection.ProjectionRegistry class. */
1346 /* ----------------------------------------------------------------------------------------- */
1347 /**
1348 * The projection method used.
1349 * use {@link #getProjection()} and {@link #setProjection(Projection)} for access.
1350 * Use {@link #setProjection(Projection)} in order to trigger a projection change event.
1351 */
1352 private static volatile Projection proj;
1353
1354 /**
1355 * Replies the current projection.
1356 *
1357 * @return the currently active projection
1358 */
1359 public static Projection getProjection() {
1360 return proj;
1361 }
1362
1363 /**
1364 * Sets the current projection
1365 *
1366 * @param p the projection
1367 */
1368 public static void setProjection(Projection p) {
1369 CheckParameterUtil.ensureParameterNotNull(p);
1370 Projection oldValue = proj;
1371 Bounds b = isDisplayingMapView() ? map.mapView.getRealBounds() : null;
1372 proj = p;
1373 fireProjectionChanged(oldValue, proj, b);
1374 }
1375
1376 /*
1377 * Keep WeakReferences to the listeners. This relieves clients from the burden of
1378 * explicitly removing the listeners and allows us to transparently register every
1379 * created dataset as projection change listener.
1380 */
1381 private static final List<WeakReference<ProjectionChangeListener>> listeners = new ArrayList<>();
1382
1383 private static void fireProjectionChanged(Projection oldValue, Projection newValue, Bounds oldBounds) {
1384 if (newValue == null ^ oldValue == null
1385 || (newValue != null && oldValue != null && !Objects.equals(newValue.toCode(), oldValue.toCode()))) {
1386
1387 synchronized (Main.class) {
1388 Iterator<WeakReference<ProjectionChangeListener>> it = listeners.iterator();
1389 while (it.hasNext()) {
1390 WeakReference<ProjectionChangeListener> wr = it.next();
1391 ProjectionChangeListener listener = wr.get();
1392 if (listener == null) {
1393 it.remove();
1394 continue;
1395 }
1396 listener.projectionChanged(oldValue, newValue);
1397 }
1398 }
1399 if (newValue != null && oldBounds != null) {
1400 Main.map.mapView.zoomTo(oldBounds);
1401 }
1402 /* TODO - remove layers with fixed projection */
1403 }
1404 }
1405
1406 /**
1407 * Register a projection change listener.
1408 *
1409 * @param listener the listener. Ignored if <code>null</code>.
1410 */
1411 public static void addProjectionChangeListener(ProjectionChangeListener listener) {
1412 if (listener == null) return;
1413 synchronized (Main.class) {
1414 for (WeakReference<ProjectionChangeListener> wr : listeners) {
1415 // already registered ? => abort
1416 if (wr.get() == listener) return;
1417 }
1418 listeners.add(new WeakReference<>(listener));
1419 }
1420 }
1421
1422 /**
1423 * Removes a projection change listener.
1424 *
1425 * @param listener the listener. Ignored if <code>null</code>.
1426 */
1427 public static void removeProjectionChangeListener(ProjectionChangeListener listener) {
1428 if (listener == null) return;
1429 synchronized (Main.class) {
1430 Iterator<WeakReference<ProjectionChangeListener>> it = listeners.iterator();
1431 while (it.hasNext()) {
1432 WeakReference<ProjectionChangeListener> wr = it.next();
1433 // remove the listener - and any other listener which got garbage
1434 // collected in the meantime
1435 if (wr.get() == null || wr.get() == listener) {
1436 it.remove();
1437 }
1438 }
1439 }
1440 }
1441
1442 /**
1443 * Listener for window switch events.
1444 *
1445 * These are events, when the user activates a window of another application
1446 * or comes back to JOSM. Window switches from one JOSM window to another
1447 * are not reported.
1448 */
1449 public interface WindowSwitchListener {
1450 /**
1451 * Called when the user activates a window of another application.
1452 */
1453 void toOtherApplication();
1454
1455 /**
1456 * Called when the user comes from a window of another application back to JOSM.
1457 */
1458 void fromOtherApplication();
1459 }
1460
1461 private static final List<WeakReference<WindowSwitchListener>> windowSwitchListeners = new ArrayList<>();
1462
1463 /**
1464 * Register a window switch listener.
1465 *
1466 * @param listener the listener. Ignored if <code>null</code>.
1467 */
1468 public static void addWindowSwitchListener(WindowSwitchListener listener) {
1469 if (listener == null) return;
1470 synchronized (Main.class) {
1471 for (WeakReference<WindowSwitchListener> wr : windowSwitchListeners) {
1472 // already registered ? => abort
1473 if (wr.get() == listener) return;
1474 }
1475 boolean wasEmpty = windowSwitchListeners.isEmpty();
1476 windowSwitchListeners.add(new WeakReference<>(listener));
1477 if (wasEmpty) {
1478 // The following call will have no effect, when there is no window
1479 // at the time. Therefore, MasterWindowListener.setup() will also be
1480 // called, as soon as the main window is shown.
1481 MasterWindowListener.setup();
1482 }
1483 }
1484 }
1485
1486 /**
1487 * Removes a window switch listener.
1488 *
1489 * @param listener the listener. Ignored if <code>null</code>.
1490 */
1491 public static void removeWindowSwitchListener(WindowSwitchListener listener) {
1492 if (listener == null) return;
1493 synchronized (Main.class) {
1494 Iterator<WeakReference<WindowSwitchListener>> it = windowSwitchListeners.iterator();
1495 while (it.hasNext()) {
1496 WeakReference<WindowSwitchListener> wr = it.next();
1497 // remove the listener - and any other listener which got garbage
1498 // collected in the meantime
1499 if (wr.get() == null || wr.get() == listener) {
1500 it.remove();
1501 }
1502 }
1503 if (windowSwitchListeners.isEmpty()) {
1504 MasterWindowListener.teardown();
1505 }
1506 }
1507 }
1508
1509 /**
1510 * WindowListener, that is registered on all Windows of the application.
1511 *
1512 * Its purpose is to notify WindowSwitchListeners, that the user switches to
1513 * another application, e.g. a browser, or back to JOSM.
1514 *
1515 * When changing from JOSM to another application and back (e.g. two times
1516 * alt+tab), the active Window within JOSM may be different.
1517 * Therefore, we need to register listeners to <strong>all</strong> (visible)
1518 * Windows in JOSM, and it does not suffice to monitor the one that was
1519 * deactivated last.
1520 *
1521 * This class is only "active" on demand, i.e. when there is at least one
1522 * WindowSwitchListener registered.
1523 */
1524 protected static class MasterWindowListener extends WindowAdapter {
1525
1526 private static MasterWindowListener INSTANCE;
1527
1528 public static synchronized MasterWindowListener getInstance() {
1529 if (INSTANCE == null) {
1530 INSTANCE = new MasterWindowListener();
1531 }
1532 return INSTANCE;
1533 }
1534
1535 /**
1536 * Register listeners to all non-hidden windows.
1537 *
1538 * Windows that are created later, will be cared for in {@link #windowDeactivated(WindowEvent)}.
1539 */
1540 public static void setup() {
1541 if (!windowSwitchListeners.isEmpty()) {
1542 for (Window w : Window.getWindows()) {
1543 if (w.isShowing()) {
1544 if (!Arrays.asList(w.getWindowListeners()).contains(getInstance())) {
1545 w.addWindowListener(getInstance());
1546 }
1547 }
1548 }
1549 }
1550 }
1551
1552 /**
1553 * Unregister all listeners.
1554 */
1555 public static void teardown() {
1556 for (Window w : Window.getWindows()) {
1557 w.removeWindowListener(getInstance());
1558 }
1559 }
1560
1561 @Override
1562 public void windowActivated(WindowEvent e) {
1563 if (e.getOppositeWindow() == null) { // we come from a window of a different application
1564 // fire WindowSwitchListeners
1565 synchronized (Main.class) {
1566 Iterator<WeakReference<WindowSwitchListener>> it = windowSwitchListeners.iterator();
1567 while (it.hasNext()) {
1568 WeakReference<WindowSwitchListener> wr = it.next();
1569 WindowSwitchListener listener = wr.get();
1570 if (listener == null) {
1571 it.remove();
1572 continue;
1573 }
1574 listener.fromOtherApplication();
1575 }
1576 }
1577 }
1578 }
1579
1580 @Override
1581 public void windowDeactivated(WindowEvent e) {
1582 // set up windows that have been created in the meantime
1583 for (Window w : Window.getWindows()) {
1584 if (!w.isShowing()) {
1585 w.removeWindowListener(getInstance());
1586 } else {
1587 if (!Arrays.asList(w.getWindowListeners()).contains(getInstance())) {
1588 w.addWindowListener(getInstance());
1589 }
1590 }
1591 }
1592 if (e.getOppositeWindow() == null) { // we go to a window of a different application
1593 // fire WindowSwitchListeners
1594 synchronized (Main.class) {
1595 Iterator<WeakReference<WindowSwitchListener>> it = windowSwitchListeners.iterator();
1596 while (it.hasNext()) {
1597 WeakReference<WindowSwitchListener> wr = it.next();
1598 WindowSwitchListener listener = wr.get();
1599 if (listener == null) {
1600 it.remove();
1601 continue;
1602 }
1603 listener.toOtherApplication();
1604 }
1605 }
1606 }
1607 }
1608 }
1609
1610 /**
1611 * Registers a new {@code MapFrameListener} that will be notified of MapFrame changes
1612 * @param listener The MapFrameListener
1613 * @param fireWhenMapViewPresent If true, will fire an initial mapFrameInitialized event
1614 * when the MapFrame is present. Otherwise will only fire when the MapFrame is created
1615 * or destroyed.
1616 * @return {@code true} if the listeners collection changed as a result of the call
1617 */
1618 public static boolean addMapFrameListener(MapFrameListener listener, boolean fireWhenMapViewPresent) {
1619 boolean changed = listener != null && mapFrameListeners.add(listener);
1620 if (fireWhenMapViewPresent && changed && map != null) {
1621 listener.mapFrameInitialized(null, map);
1622 }
1623 return changed;
1624 }
1625
1626 /**
1627 * Registers a new {@code MapFrameListener} that will be notified of MapFrame changes
1628 * @param listener The MapFrameListener
1629 * @return {@code true} if the listeners collection changed as a result of the call
1630 * @since 5957
1631 */
1632 public static boolean addMapFrameListener(MapFrameListener listener) {
1633 return addMapFrameListener(listener, false);
1634 }
1635
1636 /**
1637 * Unregisters the given {@code MapFrameListener} from MapFrame changes
1638 * @param listener The MapFrameListener
1639 * @return {@code true} if the listeners collection changed as a result of the call
1640 * @since 5957
1641 */
1642 public static boolean removeMapFrameListener(MapFrameListener listener) {
1643 return listener != null && mapFrameListeners.remove(listener);
1644 }
1645
1646 /**
1647 * Adds a new network error that occur to give a hint about broken Internet connection.
1648 * Do not use this method for errors known for sure thrown because of a bad proxy configuration.
1649 *
1650 * @param url The accessed URL that caused the error
1651 * @param t The network error
1652 * @return The previous error associated to the given resource, if any. Can be {@code null}
1653 * @since 6642
1654 */
1655 public static Throwable addNetworkError(URL url, Throwable t) {
1656 if (url != null && t != null) {
1657 Throwable old = addNetworkError(url.toExternalForm(), t);
1658 if (old != null) {
1659 Main.warn("Already here "+old);
1660 }
1661 return old;
1662 }
1663 return null;
1664 }
1665
1666 /**
1667 * Adds a new network error that occur to give a hint about broken Internet connection.
1668 * Do not use this method for errors known for sure thrown because of a bad proxy configuration.
1669 *
1670 * @param url The accessed URL that caused the error
1671 * @param t The network error
1672 * @return The previous error associated to the given resource, if any. Can be {@code null}
1673 * @since 6642
1674 */
1675 public static Throwable addNetworkError(String url, Throwable t) {
1676 if (url != null && t != null) {
1677 return NETWORK_ERRORS.put(url, t);
1678 }
1679 return null;
1680 }
1681
1682 /**
1683 * Returns the network errors that occured until now.
1684 * @return the network errors that occured until now, indexed by URL
1685 * @since 6639
1686 */
1687 public static Map<String, Throwable> getNetworkErrors() {
1688 return new HashMap<>(NETWORK_ERRORS);
1689 }
1690
1691 /**
1692 * Returns the command-line arguments used to run the application.
1693 * @return the command-line arguments used to run the application
1694 * @since 8356
1695 */
1696 public static List<String> getCommandLineArgs() {
1697 return Collections.unmodifiableList(COMMAND_LINE_ARGS);
1698 }
1699
1700 /**
1701 * Returns the JOSM website URL.
1702 * @return the josm website URL
1703 * @since 6897
1704 */
1705 public static String getJOSMWebsite() {
1706 if (Main.pref != null)
1707 return Main.pref.get("josm.url", JOSM_WEBSITE);
1708 return JOSM_WEBSITE;
1709 }
1710
1711 /**
1712 * Returns the JOSM XML URL.
1713 * @return the josm XML URL
1714 * @since 6897
1715 */
1716 public static String getXMLBase() {
1717 // Always return HTTP (issues reported with HTTPS)
1718 return "http://josm.openstreetmap.de";
1719 }
1720
1721 /**
1722 * Returns the OSM website URL.
1723 * @return the OSM website URL
1724 * @since 6897
1725 */
1726 public static String getOSMWebsite() {
1727 if (Main.pref != null)
1728 return Main.pref.get("osm.url", OSM_WEBSITE);
1729 return OSM_WEBSITE;
1730 }
1731
1732 /**
1733 * Replies the base URL for browsing information about a primitive.
1734 * @return the base URL, i.e. https://www.openstreetmap.org
1735 * @since 7678
1736 */
1737 public static String getBaseBrowseUrl() {
1738 if (Main.pref != null)
1739 return Main.pref.get("osm-browse.url", getOSMWebsite());
1740 return getOSMWebsite();
1741 }
1742
1743 /**
1744 * Replies the base URL for browsing information about a user.
1745 * @return the base URL, i.e. https://www.openstreetmap.org/user
1746 * @since 7678
1747 */
1748 public static String getBaseUserUrl() {
1749 if (Main.pref != null)
1750 return Main.pref.get("osm-user.url", getOSMWebsite() + "/user");
1751 return getOSMWebsite() + "/user";
1752 }
1753
1754 /**
1755 * Determines if we are currently running on OSX.
1756 * @return {@code true} if we are currently running on OSX
1757 * @since 6957
1758 */
1759 public static boolean isPlatformOsx() {
1760 return Main.platform instanceof PlatformHookOsx;
1761 }
1762
1763 /**
1764 * Determines if we are currently running on Windows.
1765 * @return {@code true} if we are currently running on Windows
1766 * @since 7335
1767 */
1768 public static boolean isPlatformWindows() {
1769 return Main.platform instanceof PlatformHookWindows;
1770 }
1771
1772 /**
1773 * Determines if the given online resource is currently offline.
1774 * @param r the online resource
1775 * @return {@code true} if {@code r} is offline and should not be accessed
1776 * @since 7434
1777 */
1778 public static boolean isOffline(OnlineResource r) {
1779 return OFFLINE_RESOURCES.contains(r) || OFFLINE_RESOURCES.contains(OnlineResource.ALL);
1780 }
1781
1782 /**
1783 * Sets the given online resource to offline state.
1784 * @param r the online resource
1785 * @return {@code true} if {@code r} was not already offline
1786 * @since 7434
1787 */
1788 public static boolean setOffline(OnlineResource r) {
1789 return OFFLINE_RESOURCES.add(r);
1790 }
1791
1792 /**
1793 * Sets the given online resource to online state.
1794 * @param r the online resource
1795 * @return {@code true} if {@code r} was offline
1796 * @since 8506
1797 */
1798 public static boolean setOnline(OnlineResource r) {
1799 return OFFLINE_RESOURCES.remove(r);
1800 }
1801
1802 /**
1803 * Replies the set of online resources currently offline.
1804 * @return the set of online resources currently offline
1805 * @since 7434
1806 */
1807 public static Set<OnlineResource> getOfflineResources() {
1808 return new HashSet<>(OFFLINE_RESOURCES);
1809 }
1810}
Note: See TracBrowser for help on using the repository browser.