source: josm/trunk/src/org/openstreetmap/josm/Main.java@ 7760

Last change on this file since 7760 was 7678, checked in by stoecker, 9 years ago

fix #9059 - no more assumptions about URL for element browsing - use OSM website as default and hidden option for changes
  • Property svn:eol-style set to native
File size: 58.1 KB
Line 
1// License: GPL. For details, see LICENSE file.
2package org.openstreetmap.josm;
3
4import static org.openstreetmap.josm.tools.I18n.tr;
5
6import java.awt.BorderLayout;
7import java.awt.Component;
8import java.awt.GridBagConstraints;
9import java.awt.GridBagLayout;
10import java.awt.Window;
11import java.awt.event.ComponentEvent;
12import java.awt.event.ComponentListener;
13import java.awt.event.KeyEvent;
14import java.awt.event.WindowAdapter;
15import java.awt.event.WindowEvent;
16import java.io.File;
17import java.lang.ref.WeakReference;
18import java.net.URI;
19import java.net.URISyntaxException;
20import java.net.URL;
21import java.text.MessageFormat;
22import java.util.ArrayList;
23import java.util.Arrays;
24import java.util.Collection;
25import java.util.Collections;
26import java.util.HashMap;
27import java.util.HashSet;
28import java.util.Iterator;
29import java.util.List;
30import java.util.Map;
31import java.util.Objects;
32import java.util.Set;
33import java.util.StringTokenizer;
34import java.util.concurrent.Callable;
35import java.util.concurrent.ExecutorService;
36import java.util.concurrent.Executors;
37import java.util.concurrent.Future;
38
39import javax.swing.Action;
40import javax.swing.InputMap;
41import javax.swing.JComponent;
42import javax.swing.JFrame;
43import javax.swing.JOptionPane;
44import javax.swing.JPanel;
45import javax.swing.JTextArea;
46import javax.swing.KeyStroke;
47import javax.swing.LookAndFeel;
48import javax.swing.UIManager;
49import javax.swing.UnsupportedLookAndFeelException;
50
51import org.openstreetmap.gui.jmapviewer.FeatureAdapter;
52import org.openstreetmap.josm.actions.JosmAction;
53import org.openstreetmap.josm.actions.OpenFileAction;
54import org.openstreetmap.josm.actions.downloadtasks.DownloadGpsTask;
55import org.openstreetmap.josm.actions.downloadtasks.DownloadOsmTask;
56import org.openstreetmap.josm.actions.downloadtasks.DownloadTask;
57import org.openstreetmap.josm.actions.downloadtasks.PostDownloadHandler;
58import org.openstreetmap.josm.actions.mapmode.DrawAction;
59import org.openstreetmap.josm.actions.mapmode.MapMode;
60import org.openstreetmap.josm.actions.search.SearchAction;
61import org.openstreetmap.josm.data.Bounds;
62import org.openstreetmap.josm.data.Preferences;
63import org.openstreetmap.josm.data.UndoRedoHandler;
64import org.openstreetmap.josm.data.ViewportData;
65import org.openstreetmap.josm.data.coor.CoordinateFormat;
66import org.openstreetmap.josm.data.coor.LatLon;
67import org.openstreetmap.josm.data.osm.DataSet;
68import org.openstreetmap.josm.data.osm.OsmPrimitive;
69import org.openstreetmap.josm.data.osm.PrimitiveDeepCopy;
70import org.openstreetmap.josm.data.projection.Projection;
71import org.openstreetmap.josm.data.projection.ProjectionChangeListener;
72import org.openstreetmap.josm.data.validation.OsmValidator;
73import org.openstreetmap.josm.gui.GettingStarted;
74import org.openstreetmap.josm.gui.MainApplication.Option;
75import org.openstreetmap.josm.gui.MainMenu;
76import org.openstreetmap.josm.gui.MapFrame;
77import org.openstreetmap.josm.gui.MapFrameListener;
78import org.openstreetmap.josm.gui.MapView;
79import org.openstreetmap.josm.gui.dialogs.LayerListDialog;
80import org.openstreetmap.josm.gui.help.HelpUtil;
81import org.openstreetmap.josm.gui.io.SaveLayersDialog;
82import org.openstreetmap.josm.gui.layer.AbstractModifiableLayer;
83import org.openstreetmap.josm.gui.layer.Layer;
84import org.openstreetmap.josm.gui.layer.OsmDataLayer;
85import org.openstreetmap.josm.gui.layer.OsmDataLayer.CommandQueueListener;
86import org.openstreetmap.josm.gui.preferences.ToolbarPreferences;
87import org.openstreetmap.josm.gui.preferences.imagery.ImageryPreference;
88import org.openstreetmap.josm.gui.preferences.map.MapPaintPreference;
89import org.openstreetmap.josm.gui.preferences.projection.ProjectionPreference;
90import org.openstreetmap.josm.gui.progress.PleaseWaitProgressMonitor;
91import org.openstreetmap.josm.gui.progress.ProgressMonitorExecutor;
92import org.openstreetmap.josm.gui.tagging.TaggingPresets;
93import org.openstreetmap.josm.gui.util.RedirectInputMap;
94import org.openstreetmap.josm.gui.widgets.JMultilineLabel;
95import org.openstreetmap.josm.io.FileWatcher;
96import org.openstreetmap.josm.io.OnlineResource;
97import org.openstreetmap.josm.io.OsmApi;
98import org.openstreetmap.josm.plugins.PluginHandler;
99import org.openstreetmap.josm.tools.CheckParameterUtil;
100import org.openstreetmap.josm.tools.I18n;
101import org.openstreetmap.josm.tools.ImageProvider;
102import org.openstreetmap.josm.tools.OpenBrowser;
103import org.openstreetmap.josm.tools.OsmUrlToBounds;
104import org.openstreetmap.josm.tools.PlatformHook;
105import org.openstreetmap.josm.tools.PlatformHookOsx;
106import org.openstreetmap.josm.tools.PlatformHookUnixoid;
107import org.openstreetmap.josm.tools.PlatformHookWindows;
108import org.openstreetmap.josm.tools.Shortcut;
109import org.openstreetmap.josm.tools.Utils;
110import org.openstreetmap.josm.tools.WindowGeometry;
111
112/**
113 * Abstract class holding various static global variables and methods used in large parts of JOSM application.
114 * @since 98
115 */
116public abstract class Main {
117
118 /**
119 * The JOSM website URL.
120 * @since 6897 (was public from 6143 to 6896)
121 */
122 private static final String JOSM_WEBSITE = "https://josm.openstreetmap.de";
123
124 /**
125 * The OSM website URL.
126 * @since 6897 (was public from 6453 to 6896)
127 */
128 private static final String OSM_WEBSITE = "https://www.openstreetmap.org";
129
130 /**
131 * Replies true if JOSM currently displays a map view. False, if it doesn't, i.e. if
132 * it only shows the MOTD panel.
133 *
134 * @return <code>true</code> if JOSM currently displays a map view
135 */
136 public static boolean isDisplayingMapView() {
137 if (map == null) return false;
138 if (map.mapView == null) return false;
139 return true;
140 }
141
142 /**
143 * Global parent component for all dialogs and message boxes
144 */
145 public static Component parent;
146
147 /**
148 * Global application.
149 */
150 public static Main main;
151
152 /**
153 * Command-line arguments used to run the application.
154 */
155 public static String[] commandLineArgs;
156
157 /**
158 * The worker thread slave. This is for executing all long and intensive
159 * calculations. The executed runnables are guaranteed to be executed separately
160 * and sequential.
161 */
162 public static final ExecutorService worker = new ProgressMonitorExecutor();
163
164 /**
165 * Global application preferences
166 */
167 public static Preferences pref;
168
169 /**
170 * The global paste buffer.
171 */
172 public static final PrimitiveDeepCopy pasteBuffer = new PrimitiveDeepCopy();
173
174 /**
175 * The layer source from which {@link Main#pasteBuffer} data comes from.
176 */
177 public static Layer pasteSource;
178
179 /**
180 * The MapFrame. Use {@link Main#setMapFrame} to set or clear it.
181 */
182 public static MapFrame map;
183
184 /**
185 * The toolbar preference control to register new actions.
186 */
187 public static ToolbarPreferences toolbar;
188
189 /**
190 * The commands undo/redo handler.
191 */
192 public final UndoRedoHandler undoRedo = new UndoRedoHandler();
193
194 /**
195 * The progress monitor being currently displayed.
196 */
197 public static PleaseWaitProgressMonitor currentProgressMonitor;
198
199 /**
200 * The main menu bar at top of screen.
201 */
202 public MainMenu menu;
203
204 /**
205 * The data validation handler.
206 */
207 public OsmValidator validator;
208
209 /**
210 * The file watcher service.
211 */
212 public static final FileWatcher fileWatcher = new FileWatcher();
213
214 /**
215 * The MOTD Layer.
216 */
217 private GettingStarted gettingStarted = new GettingStarted();
218
219 private static final Collection<MapFrameListener> mapFrameListeners = new ArrayList<>();
220
221 protected static final Map<String, Throwable> NETWORK_ERRORS = new HashMap<>();
222
223 // First lines of last 5 error and warning messages, used for bug reports
224 private static final List<String> ERRORS_AND_WARNINGS = Collections.<String>synchronizedList(new ArrayList<String>());
225
226 private static final Set<OnlineResource> OFFLINE_RESOURCES = new HashSet<>();
227
228 /**
229 * Logging level (5 = trace, 4 = debug, 3 = info, 2 = warn, 1 = error, 0 = none).
230 * @since 6248
231 */
232 public static int logLevel = 3;
233
234 private static void rememberWarnErrorMsg(String msg) {
235 // Only remember first line of message
236 int idx = msg.indexOf('\n');
237 if (idx > 0) {
238 ERRORS_AND_WARNINGS.add(msg.substring(0, idx));
239 } else {
240 ERRORS_AND_WARNINGS.add(msg);
241 }
242 // Only keep 5 lines to avoid memory leak and incomplete stacktraces in bug reports
243 while (ERRORS_AND_WARNINGS.size() > 5) {
244 ERRORS_AND_WARNINGS.remove(0);
245 }
246 }
247
248 /**
249 * Replies the first lines of last 10 error and warning messages, used for bug reports
250 * @return the first lines of last 10 error and warning messages
251 * @since 7420
252 */
253 public static final Collection<String> getLastErrorAndWarnings() {
254 return Collections.unmodifiableList(ERRORS_AND_WARNINGS);
255 }
256
257 /**
258 * Prints an error message if logging is on.
259 * @param msg The message to print.
260 * @since 6248
261 */
262 public static void error(String msg) {
263 if (logLevel < 1)
264 return;
265 if (msg != null && !msg.isEmpty()) {
266 System.err.println(tr("ERROR: {0}", msg));
267 rememberWarnErrorMsg("E: "+msg);
268 }
269 }
270
271 /**
272 * Prints a warning message if logging is on.
273 * @param msg The message to print.
274 */
275 public static void warn(String msg) {
276 if (logLevel < 2)
277 return;
278 if (msg != null && !msg.isEmpty()) {
279 System.err.println(tr("WARNING: {0}", msg));
280 rememberWarnErrorMsg("W: "+msg);
281 }
282 }
283
284 /**
285 * Prints an informational message if logging is on.
286 * @param msg The message to print.
287 */
288 public static void info(String msg) {
289 if (logLevel < 3)
290 return;
291 if (msg != null && !msg.isEmpty()) {
292 System.out.println(tr("INFO: {0}", msg));
293 }
294 }
295
296 /**
297 * Prints a debug message if logging is on.
298 * @param msg The message to print.
299 */
300 public static void debug(String msg) {
301 if (logLevel < 4)
302 return;
303 if (msg != null && !msg.isEmpty()) {
304 System.out.println(tr("DEBUG: {0}", msg));
305 }
306 }
307
308 /**
309 * Prints a trace message if logging is on.
310 * @param msg The message to print.
311 */
312 public static void trace(String msg) {
313 if (logLevel < 5)
314 return;
315 if (msg != null && !msg.isEmpty()) {
316 System.out.print("TRACE: ");
317 System.out.println(msg);
318 }
319 }
320
321 /**
322 * Determines if debug log level is enabled.
323 * Useful to avoid costly construction of debug messages when not enabled.
324 * @return {@code true} if log level is at least debug, {@code false} otherwise
325 * @since 6852
326 */
327 public static boolean isDebugEnabled() {
328 return logLevel >= 4;
329 }
330
331 /**
332 * Determines if trace log level is enabled.
333 * Useful to avoid costly construction of trace messages when not enabled.
334 * @return {@code true} if log level is at least trace, {@code false} otherwise
335 * @since 6852
336 */
337 public static boolean isTraceEnabled() {
338 return logLevel >= 5;
339 }
340
341 /**
342 * Prints a formatted error message if logging is on. Calls {@link MessageFormat#format}
343 * function to format text.
344 * @param msg The formatted message to print.
345 * @param objects The objects to insert into format string.
346 * @since 6248
347 */
348 public static void error(String msg, Object... objects) {
349 error(MessageFormat.format(msg, objects));
350 }
351
352 /**
353 * Prints a formatted warning message if logging is on. Calls {@link MessageFormat#format}
354 * function to format text.
355 * @param msg The formatted message to print.
356 * @param objects The objects to insert into format string.
357 */
358 public static void warn(String msg, Object... objects) {
359 warn(MessageFormat.format(msg, objects));
360 }
361
362 /**
363 * Prints a formatted informational message if logging is on. Calls {@link MessageFormat#format}
364 * function to format text.
365 * @param msg The formatted message to print.
366 * @param objects The objects to insert into format string.
367 */
368 public static void info(String msg, Object... objects) {
369 info(MessageFormat.format(msg, objects));
370 }
371
372 /**
373 * Prints a formatted debug message if logging is on. Calls {@link MessageFormat#format}
374 * function to format text.
375 * @param msg The formatted message to print.
376 * @param objects The objects to insert into format string.
377 */
378 public static void debug(String msg, Object... objects) {
379 debug(MessageFormat.format(msg, objects));
380 }
381
382 /**
383 * Prints an error message for the given Throwable.
384 * @param t The throwable object causing the error
385 * @since 6248
386 */
387 public static void error(Throwable t) {
388 error(t, true);
389 }
390
391 /**
392 * Prints a warning message for the given Throwable.
393 * @param t The throwable object causing the error
394 * @since 6248
395 */
396 public static void warn(Throwable t) {
397 warn(t, true);
398 }
399
400 /**
401 * Prints an error message for the given Throwable.
402 * @param t The throwable object causing the error
403 * @param stackTrace {@code true}, if the stacktrace should be displayed
404 * @since 6642
405 */
406 public static void error(Throwable t, boolean stackTrace) {
407 error(getErrorMessage(t));
408 if (stackTrace) {
409 t.printStackTrace();
410 }
411 }
412
413 /**
414 * Prints a warning message for the given Throwable.
415 * @param t The throwable object causing the error
416 * @param stackTrace {@code true}, if the stacktrace should be displayed
417 * @since 6642
418 */
419 public static void warn(Throwable t, boolean stackTrace) {
420 warn(getErrorMessage(t));
421 if (stackTrace) {
422 t.printStackTrace();
423 }
424 }
425
426 /**
427 * Returns a human-readable message of error, also usable for developers.
428 * @param t The error
429 * @return The human-readable error message
430 * @since 6642
431 */
432 public static String getErrorMessage(Throwable t) {
433 if (t == null) {
434 return null;
435 }
436 StringBuilder sb = new StringBuilder(t.getClass().getName());
437 String msg = t.getMessage();
438 if (msg != null) {
439 sb.append(": ").append(msg.trim());
440 }
441 Throwable cause = t.getCause();
442 if (cause != null && !cause.equals(t)) {
443 sb.append(". ").append(tr("Cause: ")).append(getErrorMessage(cause));
444 }
445 return sb.toString();
446 }
447
448 /**
449 * Platform specific code goes in here.
450 * Plugins may replace it, however, some hooks will be called before any plugins have been loeaded.
451 * So if you need to hook into those early ones, split your class and send the one with the early hooks
452 * to the JOSM team for inclusion.
453 */
454 public static PlatformHook platform;
455
456 /**
457 * Whether or not the java vm is openjdk
458 * We use this to work around openjdk bugs
459 */
460 public static boolean isOpenjdk;
461
462 /**
463 * Initializes {@code Main.pref} in normal application context.
464 * @since 6471
465 */
466 public static void initApplicationPreferences() {
467 Main.pref = new Preferences();
468 }
469
470 /**
471 * Set or clear (if passed <code>null</code>) the map.
472 * @param map The map to set {@link Main#map} to. Can be null.
473 */
474 public final void setMapFrame(final MapFrame map) {
475 MapFrame old = Main.map;
476 panel.setVisible(false);
477 panel.removeAll();
478 if (map != null) {
479 map.fillPanel(panel);
480 } else {
481 old.destroy();
482 panel.add(gettingStarted, BorderLayout.CENTER);
483 }
484 panel.setVisible(true);
485 redoUndoListener.commandChanged(0,0);
486
487 Main.map = map;
488
489 for (MapFrameListener listener : mapFrameListeners ) {
490 listener.mapFrameInitialized(old, map);
491 }
492 if (map == null && currentProgressMonitor != null) {
493 currentProgressMonitor.showForegroundDialog();
494 }
495 }
496
497 /**
498 * Remove the specified layer from the map. If it is the last layer,
499 * remove the map as well.
500 * @param layer The layer to remove
501 */
502 public final synchronized void removeLayer(final Layer layer) {
503 if (map != null) {
504 map.mapView.removeLayer(layer);
505 if (isDisplayingMapView() && map.mapView.getAllLayers().isEmpty()) {
506 setMapFrame(null);
507 }
508 }
509 }
510
511 private static InitStatusListener initListener = null;
512
513 public static interface InitStatusListener {
514
515 void updateStatus(String event);
516 }
517
518 public static void setInitStatusListener(InitStatusListener listener) {
519 initListener = listener;
520 }
521
522 /**
523 * Constructs new {@code Main} object. A lot of global variables are initialized here.
524 */
525 public Main() {
526 main = this;
527 isOpenjdk = System.getProperty("java.vm.name").toUpperCase().indexOf("OPENJDK") != -1;
528
529 if (initListener != null) {
530 initListener.updateStatus(tr("Executing platform startup hook"));
531 }
532 platform.startupHook();
533
534 if (initListener != null) {
535 initListener.updateStatus(tr("Building main menu"));
536 }
537 contentPanePrivate.add(panel, BorderLayout.CENTER);
538 panel.add(gettingStarted, BorderLayout.CENTER);
539 menu = new MainMenu();
540
541 undoRedo.addCommandQueueListener(redoUndoListener);
542
543 // creating toolbar
544 contentPanePrivate.add(toolbar.control, BorderLayout.NORTH);
545
546 registerActionShortcut(menu.help, Shortcut.registerShortcut("system:help", tr("Help"),
547 KeyEvent.VK_F1, Shortcut.DIRECT));
548
549 // contains several initialization tasks to be executed (in parallel) by a ExecutorService
550 List<Callable<Void>> tasks = new ArrayList<>();
551
552 tasks.add(new InitializationTask(tr("Initializing OSM API")) {
553
554 @Override
555 public void initialize() throws Exception {
556 // We try to establish an API connection early, so that any API
557 // capabilities are already known to the editor instance. However
558 // if it goes wrong that's not critical at this stage.
559 try {
560 OsmApi.getOsmApi().initialize(null, true);
561 } catch (Exception e) {
562 Main.warn(getErrorMessage(Utils.getRootCause(e)));
563 }
564 }
565 });
566
567 tasks.add(new InitializationTask(tr("Initializing validator")) {
568
569 @Override
570 public void initialize() throws Exception {
571 validator = new OsmValidator();
572 MapView.addLayerChangeListener(validator);
573 }
574 });
575
576 tasks.add(new InitializationTask(tr("Initializing presets")) {
577
578 @Override
579 public void initialize() throws Exception {
580 TaggingPresets.initialize();
581 }
582 });
583
584 tasks.add(new InitializationTask(tr("Initializing map styles")) {
585
586 @Override
587 public void initialize() throws Exception {
588 MapPaintPreference.initialize();
589 }
590 });
591
592 tasks.add(new InitializationTask(tr("Loading imagery preferences")) {
593
594 @Override
595 public void initialize() throws Exception {
596 ImageryPreference.initialize();
597 }
598 });
599
600 try {
601 for (Future<Void> i : Executors.newFixedThreadPool(
602 Runtime.getRuntime().availableProcessors()).invokeAll(tasks)) {
603 i.get();
604 }
605 } catch (Exception ex) {
606 throw new RuntimeException(ex);
607 }
608
609 // hooks for the jmapviewer component
610 FeatureAdapter.registerBrowserAdapter(new FeatureAdapter.BrowserAdapter() {
611 @Override
612 public void openLink(String url) {
613 OpenBrowser.displayUrl(url);
614 }
615 });
616 FeatureAdapter.registerTranslationAdapter(I18n.getTranslationAdapter());
617
618 if (initListener != null) {
619 initListener.updateStatus(tr("Updating user interface"));
620 }
621
622 toolbar.refreshToolbarControl();
623
624 toolbar.control.updateUI();
625 contentPanePrivate.updateUI();
626 }
627
628 private abstract class InitializationTask implements Callable<Void> {
629
630 private final String name;
631
632 protected InitializationTask(String name) {
633 this.name = name;
634 }
635
636 public abstract void initialize() throws Exception;
637
638 @Override
639 public Void call() throws Exception {
640 if (initListener != null) {
641 initListener.updateStatus(name);
642 }
643 final long startTime = System.currentTimeMillis();
644 initialize();
645 if (isDebugEnabled()) {
646 final long elapsedTime = System.currentTimeMillis() - startTime;
647 Main.debug(tr("{0} completed in {1}", name, Utils.getDurationString(elapsedTime)));
648 }
649 return null;
650 }
651 }
652
653 /**
654 * Add a new layer to the map. If no map exists, create one.
655 */
656 public final synchronized void addLayer(final Layer layer) {
657 boolean noMap = map == null;
658 if (noMap) {
659 createMapFrame(layer, null);
660 }
661 layer.hookUpMapView();
662 map.mapView.addLayer(layer);
663 if (noMap) {
664 Main.map.setVisible(true);
665 }
666 }
667
668 public synchronized void createMapFrame(Layer firstLayer, ViewportData viewportData) {
669 MapFrame mapFrame = new MapFrame(contentPanePrivate, viewportData);
670 setMapFrame(mapFrame);
671 if (firstLayer != null) {
672 mapFrame.selectMapMode((MapMode)mapFrame.getDefaultButtonAction(), firstLayer);
673 }
674 mapFrame.initializeDialogsPane();
675 // bootstrapping problem: make sure the layer list dialog is going to
676 // listen to change events of the very first layer
677 //
678 if (firstLayer != null) {
679 firstLayer.addPropertyChangeListener(LayerListDialog.getInstance().getModel());
680 }
681 }
682
683 /**
684 * Replies <code>true</code> if there is an edit layer
685 *
686 * @return <code>true</code> if there is an edit layer
687 */
688 public boolean hasEditLayer() {
689 if (getEditLayer() == null) return false;
690 return true;
691 }
692
693 /**
694 * Replies the current edit layer
695 *
696 * @return the current edit layer. <code>null</code>, if no current edit layer exists
697 */
698 public OsmDataLayer getEditLayer() {
699 if (!isDisplayingMapView()) return null;
700 return map.mapView.getEditLayer();
701 }
702
703 /**
704 * Replies the current data set.
705 *
706 * @return the current data set. <code>null</code>, if no current data set exists
707 */
708 public DataSet getCurrentDataSet() {
709 if (!hasEditLayer()) return null;
710 return getEditLayer().data;
711 }
712
713 /**
714 * Replies the current selected primitives, from a end-user point of view.
715 * It is not always technically the same collection of primitives than {@link DataSet#getSelected()}.
716 * Indeed, if the user is currently in drawing mode, only the way currently being drawn is returned,
717 * see {@link DrawAction#getInProgressSelection()}.
718 *
719 * @return The current selected primitives, from a end-user point of view. Can be {@code null}.
720 * @since 6546
721 */
722 public Collection<OsmPrimitive> getInProgressSelection() {
723 if (map != null && map.mapMode instanceof DrawAction) {
724 return ((DrawAction) map.mapMode).getInProgressSelection();
725 } else {
726 DataSet ds = getCurrentDataSet();
727 if (ds == null) return null;
728 return ds.getSelected();
729 }
730 }
731
732 /**
733 * Returns the currently active layer
734 *
735 * @return the currently active layer. <code>null</code>, if currently no active layer exists
736 */
737 public Layer getActiveLayer() {
738 if (!isDisplayingMapView()) return null;
739 return map.mapView.getActiveLayer();
740 }
741
742 protected static final JPanel contentPanePrivate = new JPanel(new BorderLayout());
743
744 public static void redirectToMainContentPane(JComponent source) {
745 RedirectInputMap.redirect(source, contentPanePrivate);
746 }
747
748 public static void registerActionShortcut(JosmAction action) {
749 registerActionShortcut(action, action.getShortcut());
750 }
751
752 public static void registerActionShortcut(Action action, Shortcut shortcut) {
753 KeyStroke keyStroke = shortcut.getKeyStroke();
754 if (keyStroke == null)
755 return;
756
757 InputMap inputMap = contentPanePrivate.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW);
758 Object existing = inputMap.get(keyStroke);
759 if (existing != null && !existing.equals(action)) {
760 info(String.format("Keystroke %s is already assigned to %s, will be overridden by %s", keyStroke, existing, action));
761 }
762 inputMap.put(keyStroke, action);
763
764 contentPanePrivate.getActionMap().put(action, action);
765 }
766
767 public static void unregisterShortcut(Shortcut shortcut) {
768 contentPanePrivate.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).remove(shortcut.getKeyStroke());
769 }
770
771 public static void unregisterActionShortcut(JosmAction action) {
772 unregisterActionShortcut(action, action.getShortcut());
773 }
774
775 public static void unregisterActionShortcut(Action action, Shortcut shortcut) {
776 unregisterShortcut(shortcut);
777 contentPanePrivate.getActionMap().remove(action);
778 }
779
780 /**
781 * Replies the registered action for the given shortcut
782 * @param shortcut The shortcut to look for
783 * @return the registered action for the given shortcut
784 * @since 5696
785 */
786 public static Action getRegisteredActionShortcut(Shortcut shortcut) {
787 KeyStroke keyStroke = shortcut.getKeyStroke();
788 if (keyStroke == null)
789 return null;
790 Object action = contentPanePrivate.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).get(keyStroke);
791 if (action instanceof Action)
792 return (Action) action;
793 return null;
794 }
795
796 ///////////////////////////////////////////////////////////////////////////
797 // Implementation part
798 ///////////////////////////////////////////////////////////////////////////
799
800 /**
801 * Global panel.
802 */
803 public static final JPanel panel = new JPanel(new BorderLayout());
804
805 protected static WindowGeometry geometry;
806 protected static int windowState = JFrame.NORMAL;
807
808 private final CommandQueueListener redoUndoListener = new CommandQueueListener(){
809 @Override
810 public void commandChanged(final int queueSize, final int redoSize) {
811 menu.undo.setEnabled(queueSize > 0);
812 menu.redo.setEnabled(redoSize > 0);
813 }
814 };
815
816 /**
817 * Should be called before the main constructor to setup some parameter stuff
818 * @param args The parsed argument list.
819 */
820 public static void preConstructorInit(Map<Option, Collection<String>> args) {
821 ProjectionPreference.setProjection();
822
823 try {
824 String defaultlaf = platform.getDefaultStyle();
825 String laf = Main.pref.get("laf", defaultlaf);
826 try {
827 UIManager.setLookAndFeel(laf);
828 }
829 catch (final NoClassDefFoundError | ClassNotFoundException e) {
830 // Try to find look and feel in plugin classloaders
831 Class<?> klass = null;
832 for (ClassLoader cl : PluginHandler.getResourceClassLoaders()) {
833 try {
834 klass = cl.loadClass(laf);
835 break;
836 } catch (ClassNotFoundException ex) {
837 // Do nothing
838 }
839 }
840 if (klass != null && LookAndFeel.class.isAssignableFrom(klass)) {
841 try {
842 UIManager.setLookAndFeel((LookAndFeel) klass.newInstance());
843 } catch (Exception ex) {
844 warn("Cannot set Look and Feel: " + laf + ": "+ex.getMessage());
845 }
846 } else {
847 info("Look and Feel not found: " + laf);
848 Main.pref.put("laf", defaultlaf);
849 }
850 }
851 catch (final UnsupportedLookAndFeelException e) {
852 info("Look and Feel not supported: " + laf);
853 Main.pref.put("laf", defaultlaf);
854 }
855 toolbar = new ToolbarPreferences();
856 contentPanePrivate.updateUI();
857 panel.updateUI();
858 } catch (final Exception e) {
859 error(e);
860 }
861 UIManager.put("OptionPane.okIcon", ImageProvider.get("ok"));
862 UIManager.put("OptionPane.yesIcon", UIManager.get("OptionPane.okIcon"));
863 UIManager.put("OptionPane.cancelIcon", ImageProvider.get("cancel"));
864 UIManager.put("OptionPane.noIcon", UIManager.get("OptionPane.cancelIcon"));
865
866 I18n.translateJavaInternalMessages();
867
868 // init default coordinate format
869 //
870 try {
871 CoordinateFormat.setCoordinateFormat(CoordinateFormat.valueOf(Main.pref.get("coordinates")));
872 } catch (IllegalArgumentException iae) {
873 CoordinateFormat.setCoordinateFormat(CoordinateFormat.DECIMAL_DEGREES);
874 }
875
876 geometry = WindowGeometry.mainWindow("gui.geometry",
877 (args.containsKey(Option.GEOMETRY) ? args.get(Option.GEOMETRY).iterator().next() : null),
878 !args.containsKey(Option.NO_MAXIMIZE) && Main.pref.getBoolean("gui.maximized", false));
879 }
880
881 protected static void postConstructorProcessCmdLine(Map<Option, Collection<String>> args) {
882 if (args.containsKey(Option.DOWNLOAD)) {
883 List<File> fileList = new ArrayList<>();
884 for (String s : args.get(Option.DOWNLOAD)) {
885 File f = null;
886 switch(paramType(s)) {
887 case httpUrl:
888 downloadFromParamHttp(false, s);
889 break;
890 case bounds:
891 downloadFromParamBounds(false, s);
892 break;
893 case fileUrl:
894 try {
895 f = new File(new URI(s));
896 } catch (URISyntaxException e) {
897 JOptionPane.showMessageDialog(
898 Main.parent,
899 tr("Ignoring malformed file URL: \"{0}\"", s),
900 tr("Warning"),
901 JOptionPane.WARNING_MESSAGE
902 );
903 }
904 if (f!=null) {
905 fileList.add(f);
906 }
907 break;
908 case fileName:
909 f = new File(s);
910 fileList.add(f);
911 break;
912 }
913 }
914 if(!fileList.isEmpty())
915 {
916 OpenFileAction.openFiles(fileList, true);
917 }
918 }
919 if (args.containsKey(Option.DOWNLOADGPS)) {
920 for (String s : args.get(Option.DOWNLOADGPS)) {
921 switch(paramType(s)) {
922 case httpUrl:
923 downloadFromParamHttp(true, s);
924 break;
925 case bounds:
926 downloadFromParamBounds(true, s);
927 break;
928 case fileUrl:
929 case fileName:
930 JOptionPane.showMessageDialog(
931 Main.parent,
932 tr("Parameter \"downloadgps\" does not accept file names or file URLs"),
933 tr("Warning"),
934 JOptionPane.WARNING_MESSAGE
935 );
936 }
937 }
938 }
939 if (args.containsKey(Option.SELECTION)) {
940 for (String s : args.get(Option.SELECTION)) {
941 SearchAction.search(s, SearchAction.SearchMode.add);
942 }
943 }
944 }
945
946 /**
947 * Asks user to perform "save layer" operations (save on disk and/or upload data to server) for all {@link AbstractModifiableLayer} before JOSM exits.
948 * @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.
949 * @since 2025
950 */
951 public static boolean saveUnsavedModifications() {
952 if (!isDisplayingMapView()) return true;
953 return saveUnsavedModifications(map.mapView.getLayersOfType(AbstractModifiableLayer.class), true);
954 }
955
956 /**
957 * Asks user to perform "save layer" operations (save on disk and/or upload data to server) before data layers deletion.
958 *
959 * @param selectedLayers The layers to check. Only instances of {@link AbstractModifiableLayer} are considered.
960 * @param exit {@code true} if JOSM is exiting, {@code false} otherwise.
961 * @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.
962 * @since 5519
963 */
964 public static boolean saveUnsavedModifications(Iterable<? extends Layer> selectedLayers, boolean exit) {
965 SaveLayersDialog dialog = new SaveLayersDialog(parent);
966 List<AbstractModifiableLayer> layersWithUnmodifiedChanges = new ArrayList<>();
967 for (Layer l: selectedLayers) {
968 if (!(l instanceof AbstractModifiableLayer)) {
969 continue;
970 }
971 AbstractModifiableLayer odl = (AbstractModifiableLayer)l;
972 if ((odl.requiresSaveToFile() || (odl.requiresUploadToServer() && !odl.isUploadDiscouraged())) && odl.isModified()) {
973 layersWithUnmodifiedChanges.add(odl);
974 }
975 }
976 if (exit) {
977 dialog.prepareForSavingAndUpdatingLayersBeforeExit();
978 } else {
979 dialog.prepareForSavingAndUpdatingLayersBeforeDelete();
980 }
981 if (!layersWithUnmodifiedChanges.isEmpty()) {
982 dialog.getModel().populate(layersWithUnmodifiedChanges);
983 dialog.setVisible(true);
984 switch(dialog.getUserAction()) {
985 case CANCEL: return false;
986 case PROCEED: return true;
987 default: return false;
988 }
989 }
990
991 return true;
992 }
993
994 /**
995 * Closes JOSM and optionally terminates the Java Virtual Machine (JVM). If there are some unsaved data layers, asks first for user confirmation.
996 * @param exit If {@code true}, the JVM is terminated by running {@link System#exit} with a given return code.
997 * @param exitCode The return code
998 * @return {@code true} if JOSM has been closed, {@code false} if the user has cancelled the operation.
999 * @since 3378
1000 */
1001 public static boolean exitJosm(boolean exit, int exitCode) {
1002 if (Main.saveUnsavedModifications()) {
1003 geometry.remember("gui.geometry");
1004 if (map != null) {
1005 map.rememberToggleDialogWidth();
1006 }
1007 pref.put("gui.maximized", (windowState & JFrame.MAXIMIZED_BOTH) != 0);
1008 // Remove all layers because somebody may rely on layerRemoved events (like AutosaveTask)
1009 if (Main.isDisplayingMapView()) {
1010 Collection<Layer> layers = new ArrayList<>(Main.map.mapView.getAllLayers());
1011 for (Layer l: layers) {
1012 Main.main.removeLayer(l);
1013 }
1014 }
1015 if (exit) {
1016 System.exit(exitCode);
1017 }
1018 return true;
1019 }
1020 return false;
1021 }
1022
1023 /**
1024 * The type of a command line parameter, to be used in switch statements.
1025 * @see #paramType
1026 */
1027 private enum DownloadParamType { httpUrl, fileUrl, bounds, fileName }
1028
1029 /**
1030 * Guess the type of a parameter string specified on the command line with --download= or --downloadgps.
1031 * @param s A parameter string
1032 * @return The guessed parameter type
1033 */
1034 private static DownloadParamType paramType(String s) {
1035 if(s.startsWith("http:") || s.startsWith("https:")) return DownloadParamType.httpUrl;
1036 if(s.startsWith("file:")) return DownloadParamType.fileUrl;
1037 String coorPattern = "\\s*[+-]?[0-9]+(\\.[0-9]+)?\\s*";
1038 if(s.matches(coorPattern+"(,"+coorPattern+"){3}")) return DownloadParamType.bounds;
1039 // everything else must be a file name
1040 return DownloadParamType.fileName;
1041 }
1042
1043 /**
1044 * Download area specified on the command line as OSM URL.
1045 * @param rawGps Flag to download raw GPS tracks
1046 * @param s The URL parameter
1047 */
1048 private static void downloadFromParamHttp(final boolean rawGps, String s) {
1049 final Bounds b = OsmUrlToBounds.parse(s);
1050 if (b == null) {
1051 JOptionPane.showMessageDialog(
1052 Main.parent,
1053 tr("Ignoring malformed URL: \"{0}\"", s),
1054 tr("Warning"),
1055 JOptionPane.WARNING_MESSAGE
1056 );
1057 } else {
1058 downloadFromParamBounds(rawGps, b);
1059 }
1060 }
1061
1062 /**
1063 * Download area specified on the command line as bounds string.
1064 * @param rawGps Flag to download raw GPS tracks
1065 * @param s The bounds parameter
1066 */
1067 private static void downloadFromParamBounds(final boolean rawGps, String s) {
1068 final StringTokenizer st = new StringTokenizer(s, ",");
1069 if (st.countTokens() == 4) {
1070 Bounds b = new Bounds(
1071 new LatLon(Double.parseDouble(st.nextToken()),Double.parseDouble(st.nextToken())),
1072 new LatLon(Double.parseDouble(st.nextToken()),Double.parseDouble(st.nextToken()))
1073 );
1074 downloadFromParamBounds(rawGps, b);
1075 }
1076 }
1077
1078 /**
1079 * Download area specified as Bounds value.
1080 * @param rawGps Flag to download raw GPS tracks
1081 * @param b The bounds value
1082 * @see #downloadFromParamBounds(boolean, String)
1083 * @see #downloadFromParamHttp
1084 */
1085 private static void downloadFromParamBounds(final boolean rawGps, Bounds b) {
1086 DownloadTask task = rawGps ? new DownloadGpsTask() : new DownloadOsmTask();
1087 // asynchronously launch the download task ...
1088 Future<?> future = task.download(true, b, null);
1089 // ... and the continuation when the download is finished (this will wait for the download to finish)
1090 Main.worker.execute(new PostDownloadHandler(task, future));
1091 }
1092
1093 /**
1094 * Identifies the current operating system family and initializes the platform hook accordingly.
1095 * @since 1849
1096 */
1097 public static void determinePlatformHook() {
1098 String os = System.getProperty("os.name");
1099 if (os == null) {
1100 warn("Your operating system has no name, so I'm guessing its some kind of *nix.");
1101 platform = new PlatformHookUnixoid();
1102 } else if (os.toLowerCase().startsWith("windows")) {
1103 platform = new PlatformHookWindows();
1104 } else if ("Linux".equals(os) || "Solaris".equals(os) ||
1105 "SunOS".equals(os) || "AIX".equals(os) ||
1106 "FreeBSD".equals(os) || "NetBSD".equals(os) || "OpenBSD".equals(os)) {
1107 platform = new PlatformHookUnixoid();
1108 } else if (os.toLowerCase().startsWith("mac os x")) {
1109 platform = new PlatformHookOsx();
1110 } else {
1111 warn("I don't know your operating system '"+os+"', so I'm guessing its some kind of *nix.");
1112 platform = new PlatformHookUnixoid();
1113 }
1114 }
1115
1116 private static class WindowPositionSizeListener extends WindowAdapter implements
1117 ComponentListener {
1118 @Override
1119 public void windowStateChanged(WindowEvent e) {
1120 Main.windowState = e.getNewState();
1121 }
1122
1123 @Override
1124 public void componentHidden(ComponentEvent e) {
1125 }
1126
1127 @Override
1128 public void componentMoved(ComponentEvent e) {
1129 handleComponentEvent(e);
1130 }
1131
1132 @Override
1133 public void componentResized(ComponentEvent e) {
1134 handleComponentEvent(e);
1135 }
1136
1137 @Override
1138 public void componentShown(ComponentEvent e) {
1139 }
1140
1141 private void handleComponentEvent(ComponentEvent e) {
1142 Component c = e.getComponent();
1143 if (c instanceof JFrame && c.isVisible()) {
1144 if(Main.windowState == JFrame.NORMAL) {
1145 Main.geometry = new WindowGeometry((JFrame) c);
1146 } else {
1147 Main.geometry.fixScreen((JFrame) c);
1148 }
1149 }
1150 }
1151 }
1152
1153 protected static void addListener() {
1154 parent.addComponentListener(new WindowPositionSizeListener());
1155 ((JFrame)parent).addWindowStateListener(new WindowPositionSizeListener());
1156 }
1157
1158 /**
1159 * Checks that JOSM is at least running with Java 7.
1160 * @since 7001
1161 */
1162 public static void checkJavaVersion() {
1163 String version = System.getProperty("java.version");
1164 if (version != null) {
1165 if (version.matches("^(1\\.)?[789].*"))
1166 return;
1167 if (version.matches("^(1\\.)?[56].*")) {
1168 JMultilineLabel ho = new JMultilineLabel("<html>"+
1169 tr("<h2>JOSM requires Java version {0}.</h2>"+
1170 "Detected Java version: {1}.<br>"+
1171 "You can <ul><li>update your Java (JRE) or</li>"+
1172 "<li>use an earlier (Java {2} compatible) version of JOSM.</li></ul>"+
1173 "More Info:", "7", version, "6")+"</html>");
1174 JTextArea link = new JTextArea(HelpUtil.getWikiBaseHelpUrl()+"/Help/SystemRequirements");
1175 link.setEditable(false);
1176 link.setBackground(panel.getBackground());
1177 JPanel panel = new JPanel(new GridBagLayout());
1178 GridBagConstraints gbc = new GridBagConstraints();
1179 gbc.gridwidth = GridBagConstraints.REMAINDER;
1180 gbc.anchor = GridBagConstraints.WEST;
1181 gbc.weightx = 1.0;
1182 panel.add(ho, gbc);
1183 panel.add(link, gbc);
1184 final String EXIT = tr("Exit JOSM");
1185 final String CONTINUE = tr("Continue, try anyway");
1186 int ret = JOptionPane.showOptionDialog(null, panel, tr("Error"), JOptionPane.YES_NO_OPTION,
1187 JOptionPane.ERROR_MESSAGE, null, new String[] {EXIT, CONTINUE}, EXIT);
1188 if (ret == 0) {
1189 System.exit(0);
1190 }
1191 return;
1192 }
1193 }
1194 error("Could not recognize Java Version: "+version);
1195 }
1196
1197 /* ----------------------------------------------------------------------------------------- */
1198 /* projection handling - Main is a registry for a single, global projection instance */
1199 /* */
1200 /* TODO: For historical reasons the registry is implemented by Main. An alternative approach */
1201 /* would be a singleton org.openstreetmap.josm.data.projection.ProjectionRegistry class. */
1202 /* ----------------------------------------------------------------------------------------- */
1203 /**
1204 * The projection method used.
1205 * use {@link #getProjection()} and {@link #setProjection(Projection)} for access.
1206 * Use {@link #setProjection(Projection)} in order to trigger a projection change event.
1207 */
1208 private static Projection proj;
1209
1210 /**
1211 * Replies the current projection.
1212 *
1213 * @return the currently active projection
1214 */
1215 public static Projection getProjection() {
1216 return proj;
1217 }
1218
1219 /**
1220 * Sets the current projection
1221 *
1222 * @param p the projection
1223 */
1224 public static void setProjection(Projection p) {
1225 CheckParameterUtil.ensureParameterNotNull(p);
1226 Projection oldValue = proj;
1227 Bounds b = isDisplayingMapView() ? map.mapView.getRealBounds() : null;
1228 proj = p;
1229 fireProjectionChanged(oldValue, proj, b);
1230 }
1231
1232 /*
1233 * Keep WeakReferences to the listeners. This relieves clients from the burden of
1234 * explicitly removing the listeners and allows us to transparently register every
1235 * created dataset as projection change listener.
1236 */
1237 private static final List<WeakReference<ProjectionChangeListener>> listeners = new ArrayList<>();
1238
1239 private static void fireProjectionChanged(Projection oldValue, Projection newValue, Bounds oldBounds) {
1240 if (newValue == null ^ oldValue == null
1241 || (newValue != null && oldValue != null && !Objects.equals(newValue.toCode(), oldValue.toCode()))) {
1242
1243 synchronized(Main.class) {
1244 Iterator<WeakReference<ProjectionChangeListener>> it = listeners.iterator();
1245 while (it.hasNext()){
1246 WeakReference<ProjectionChangeListener> wr = it.next();
1247 ProjectionChangeListener listener = wr.get();
1248 if (listener == null) {
1249 it.remove();
1250 continue;
1251 }
1252 listener.projectionChanged(oldValue, newValue);
1253 }
1254 }
1255 if (newValue != null && oldBounds != null) {
1256 Main.map.mapView.zoomTo(oldBounds);
1257 }
1258 /* TODO - remove layers with fixed projection */
1259 }
1260 }
1261
1262 /**
1263 * Register a projection change listener.
1264 *
1265 * @param listener the listener. Ignored if <code>null</code>.
1266 */
1267 public static void addProjectionChangeListener(ProjectionChangeListener listener) {
1268 if (listener == null) return;
1269 synchronized (Main.class) {
1270 for (WeakReference<ProjectionChangeListener> wr : listeners) {
1271 // already registered ? => abort
1272 if (wr.get() == listener) return;
1273 }
1274 listeners.add(new WeakReference<>(listener));
1275 }
1276 }
1277
1278 /**
1279 * Removes a projection change listener.
1280 *
1281 * @param listener the listener. Ignored if <code>null</code>.
1282 */
1283 public static void removeProjectionChangeListener(ProjectionChangeListener listener) {
1284 if (listener == null) return;
1285 synchronized(Main.class){
1286 Iterator<WeakReference<ProjectionChangeListener>> it = listeners.iterator();
1287 while (it.hasNext()){
1288 WeakReference<ProjectionChangeListener> wr = it.next();
1289 // remove the listener - and any other listener which got garbage
1290 // collected in the meantime
1291 if (wr.get() == null || wr.get() == listener) {
1292 it.remove();
1293 }
1294 }
1295 }
1296 }
1297
1298 /**
1299 * Listener for window switch events.
1300 *
1301 * These are events, when the user activates a window of another application
1302 * or comes back to JOSM. Window switches from one JOSM window to another
1303 * are not reported.
1304 */
1305 public static interface WindowSwitchListener {
1306 /**
1307 * Called when the user activates a window of another application.
1308 */
1309 void toOtherApplication();
1310 /**
1311 * Called when the user comes from a window of another application
1312 * back to JOSM.
1313 */
1314 void fromOtherApplication();
1315 }
1316
1317 private static final List<WeakReference<WindowSwitchListener>> windowSwitchListeners = new ArrayList<>();
1318
1319 /**
1320 * Register a window switch listener.
1321 *
1322 * @param listener the listener. Ignored if <code>null</code>.
1323 */
1324 public static void addWindowSwitchListener(WindowSwitchListener listener) {
1325 if (listener == null) return;
1326 synchronized (Main.class) {
1327 for (WeakReference<WindowSwitchListener> wr : windowSwitchListeners) {
1328 // already registered ? => abort
1329 if (wr.get() == listener) return;
1330 }
1331 boolean wasEmpty = windowSwitchListeners.isEmpty();
1332 windowSwitchListeners.add(new WeakReference<>(listener));
1333 if (wasEmpty) {
1334 // The following call will have no effect, when there is no window
1335 // at the time. Therefore, MasterWindowListener.setup() will also be
1336 // called, as soon as the main window is shown.
1337 MasterWindowListener.setup();
1338 }
1339 }
1340 }
1341
1342 /**
1343 * Removes a window switch listener.
1344 *
1345 * @param listener the listener. Ignored if <code>null</code>.
1346 */
1347 public static void removeWindowSwitchListener(WindowSwitchListener listener) {
1348 if (listener == null) return;
1349 synchronized (Main.class){
1350 Iterator<WeakReference<WindowSwitchListener>> it = windowSwitchListeners.iterator();
1351 while (it.hasNext()){
1352 WeakReference<WindowSwitchListener> wr = it.next();
1353 // remove the listener - and any other listener which got garbage
1354 // collected in the meantime
1355 if (wr.get() == null || wr.get() == listener) {
1356 it.remove();
1357 }
1358 }
1359 if (windowSwitchListeners.isEmpty()) {
1360 MasterWindowListener.teardown();
1361 }
1362 }
1363 }
1364
1365 /**
1366 * WindowListener, that is registered on all Windows of the application.
1367 *
1368 * Its purpose is to notify WindowSwitchListeners, that the user switches to
1369 * another application, e.g. a browser, or back to JOSM.
1370 *
1371 * When changing from JOSM to another application and back (e.g. two times
1372 * alt+tab), the active Window within JOSM may be different.
1373 * Therefore, we need to register listeners to <strong>all</strong> (visible)
1374 * Windows in JOSM, and it does not suffice to monitor the one that was
1375 * deactivated last.
1376 *
1377 * This class is only "active" on demand, i.e. when there is at least one
1378 * WindowSwitchListener registered.
1379 */
1380 protected static class MasterWindowListener extends WindowAdapter {
1381
1382 private static MasterWindowListener INSTANCE;
1383
1384 public static MasterWindowListener getInstance() {
1385 if (INSTANCE == null) {
1386 INSTANCE = new MasterWindowListener();
1387 }
1388 return INSTANCE;
1389 }
1390
1391 /**
1392 * Register listeners to all non-hidden windows.
1393 *
1394 * Windows that are created later, will be cared for in {@link #windowDeactivated(WindowEvent)}.
1395 */
1396 public static void setup() {
1397 if (!windowSwitchListeners.isEmpty()) {
1398 for (Window w : Window.getWindows()) {
1399 if (w.isShowing()) {
1400 if (!Arrays.asList(w.getWindowListeners()).contains(getInstance())) {
1401 w.addWindowListener(getInstance());
1402 }
1403 }
1404 }
1405 }
1406 }
1407
1408 /**
1409 * Unregister all listeners.
1410 */
1411 public static void teardown() {
1412 for (Window w : Window.getWindows()) {
1413 w.removeWindowListener(getInstance());
1414 }
1415 }
1416
1417 @Override
1418 public void windowActivated(WindowEvent e) {
1419 if (e.getOppositeWindow() == null) { // we come from a window of a different application
1420 // fire WindowSwitchListeners
1421 synchronized (Main.class) {
1422 Iterator<WeakReference<WindowSwitchListener>> it = windowSwitchListeners.iterator();
1423 while (it.hasNext()){
1424 WeakReference<WindowSwitchListener> wr = it.next();
1425 WindowSwitchListener listener = wr.get();
1426 if (listener == null) {
1427 it.remove();
1428 continue;
1429 }
1430 listener.fromOtherApplication();
1431 }
1432 }
1433 }
1434 }
1435
1436 @Override
1437 public void windowDeactivated(WindowEvent e) {
1438 // set up windows that have been created in the meantime
1439 for (Window w : Window.getWindows()) {
1440 if (!w.isShowing()) {
1441 w.removeWindowListener(getInstance());
1442 } else {
1443 if (!Arrays.asList(w.getWindowListeners()).contains(getInstance())) {
1444 w.addWindowListener(getInstance());
1445 }
1446 }
1447 }
1448 if (e.getOppositeWindow() == null) { // we go to a window of a different application
1449 // fire WindowSwitchListeners
1450 synchronized (Main.class) {
1451 Iterator<WeakReference<WindowSwitchListener>> it = windowSwitchListeners.iterator();
1452 while (it.hasNext()){
1453 WeakReference<WindowSwitchListener> wr = it.next();
1454 WindowSwitchListener listener = wr.get();
1455 if (listener == null) {
1456 it.remove();
1457 continue;
1458 }
1459 listener.toOtherApplication();
1460 }
1461 }
1462 }
1463 }
1464 }
1465
1466 /**
1467 * Registers a new {@code MapFrameListener} that will be notified of MapFrame changes
1468 * @param listener The MapFrameListener
1469 * @return {@code true} if the listeners collection changed as a result of the call
1470 * @since 5957
1471 */
1472 public static boolean addMapFrameListener(MapFrameListener listener) {
1473 return listener != null ? mapFrameListeners.add(listener) : false;
1474 }
1475
1476 /**
1477 * Unregisters the given {@code MapFrameListener} from MapFrame changes
1478 * @param listener The MapFrameListener
1479 * @return {@code true} if the listeners collection changed as a result of the call
1480 * @since 5957
1481 */
1482 public static boolean removeMapFrameListener(MapFrameListener listener) {
1483 return listener != null ? mapFrameListeners.remove(listener) : false;
1484 }
1485
1486 /**
1487 * Adds a new network error that occur to give a hint about broken Internet connection.
1488 * Do not use this method for errors known for sure thrown because of a bad proxy configuration.
1489 *
1490 * @param url The accessed URL that caused the error
1491 * @param t The network error
1492 * @return The previous error associated to the given resource, if any. Can be {@code null}
1493 * @since 6642
1494 */
1495 public static Throwable addNetworkError(URL url, Throwable t) {
1496 if (url != null && t != null) {
1497 Throwable old = addNetworkError(url.toExternalForm(), t);
1498 if (old != null) {
1499 Main.warn("Already here "+old);
1500 }
1501 return old;
1502 }
1503 return null;
1504 }
1505
1506 /**
1507 * Adds a new network error that occur to give a hint about broken Internet connection.
1508 * Do not use this method for errors known for sure thrown because of a bad proxy configuration.
1509 *
1510 * @param url The accessed URL that caused the error
1511 * @param t The network error
1512 * @return The previous error associated to the given resource, if any. Can be {@code null}
1513 * @since 6642
1514 */
1515 public static Throwable addNetworkError(String url, Throwable t) {
1516 if (url != null && t != null) {
1517 return NETWORK_ERRORS.put(url, t);
1518 }
1519 return null;
1520 }
1521
1522 /**
1523 * Returns the network errors that occured until now.
1524 * @return the network errors that occured until now, indexed by URL
1525 * @since 6639
1526 */
1527 public static Map<String, Throwable> getNetworkErrors() {
1528 return new HashMap<>(NETWORK_ERRORS);
1529 }
1530
1531 /**
1532 * Returns the JOSM website URL.
1533 * @return the josm website URL
1534 * @since 6897
1535 */
1536 public static String getJOSMWebsite() {
1537 if (Main.pref != null)
1538 return Main.pref.get("josm.url", JOSM_WEBSITE);
1539 return JOSM_WEBSITE;
1540 }
1541
1542 /**
1543 * Returns the JOSM XML URL.
1544 * @return the josm XML URL
1545 * @since 6897
1546 */
1547 public static String getXMLBase() {
1548 // Always return HTTP (issues reported with HTTPS)
1549 return "http://josm.openstreetmap.de";
1550 }
1551
1552 /**
1553 * Returns the OSM website URL.
1554 * @return the OSM website URL
1555 * @since 6897
1556 */
1557 public static String getOSMWebsite() {
1558 if (Main.pref != null)
1559 return Main.pref.get("osm.url", OSM_WEBSITE);
1560 return OSM_WEBSITE;
1561 }
1562
1563 /**
1564 * Replies the base URL for browsing information about a primitive.
1565 * @return the base URL, i.e. https://www.openstreetmap.org
1566 * @since 7678
1567 */
1568 public static String getBaseBrowseUrl() {
1569 if (Main.pref != null)
1570 return Main.pref.get("osm-browse.url", getOSMWebsite());
1571 return getOSMWebsite();
1572 }
1573
1574 /**
1575 * Replies the base URL for browsing information about a user.
1576 * @return the base URL, i.e. https://www.openstreetmap.org/user
1577 * @since 7678
1578 */
1579 public static String getBaseUserUrl() {
1580 if (Main.pref != null)
1581 return Main.pref.get("osm-user.url", getOSMWebsite() + "/user");
1582 return getOSMWebsite() + "/user";
1583 }
1584
1585 /**
1586 * Determines if we are currently running on OSX.
1587 * @return {@code true} if we are currently running on OSX
1588 * @since 6957
1589 */
1590 public static boolean isPlatformOsx() {
1591 return Main.platform instanceof PlatformHookOsx;
1592 }
1593
1594 /**
1595 * Determines if we are currently running on Windows.
1596 * @return {@code true} if we are currently running on Windows
1597 * @since 7335
1598 */
1599 public static boolean isPlatformWindows() {
1600 return Main.platform instanceof PlatformHookWindows;
1601 }
1602
1603 /**
1604 * Determines if the given online resource is currently offline.
1605 * @param r the online resource
1606 * @return {@code true} if {@code r} is offline and should not be accessed
1607 * @since 7434
1608 */
1609 public static boolean isOffline(OnlineResource r) {
1610 return OFFLINE_RESOURCES.contains(r) || OFFLINE_RESOURCES.contains(OnlineResource.ALL);
1611 }
1612
1613 /**
1614 * Sets the given online resource to offline state.
1615 * @param r the online resource
1616 * @return {@code true} if {@code r} was not already offline
1617 * @since 7434
1618 */
1619 public static boolean setOffline(OnlineResource r) {
1620 return OFFLINE_RESOURCES.add(r);
1621 }
1622
1623 /**
1624 * Replies the set of online resources currently offline.
1625 * @return the set of online resources currently offline
1626 * @since 7434
1627 */
1628 public static Set<OnlineResource> getOfflineResources() {
1629 return new HashSet<>(OFFLINE_RESOURCES);
1630 }
1631}
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