source: josm/trunk/src/org/openstreetmap/josm/Main.java@ 5670

Last change on this file since 5670 was 5670, checked in by bastiK, 11 years ago

session: save & restore map position and scale (see #4029)
  • Property svn:eol-style set to native
File size: 42.9 KB
Line 
1// License: GPL. Copyright 2007 by Immanuel Scholz and others
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.text.MessageFormat;
21import java.util.ArrayList;
22import java.util.Arrays;
23import java.util.Collection;
24import java.util.Iterator;
25import java.util.List;
26import java.util.Map;
27import java.util.StringTokenizer;
28import java.util.concurrent.Callable;
29import java.util.concurrent.ExecutorService;
30import java.util.concurrent.Executors;
31import java.util.concurrent.Future;
32
33import javax.swing.Action;
34import javax.swing.InputMap;
35import javax.swing.JComponent;
36import javax.swing.JFrame;
37import javax.swing.JLabel;
38import javax.swing.JOptionPane;
39import javax.swing.JPanel;
40import javax.swing.JTextArea;
41import javax.swing.KeyStroke;
42import javax.swing.UIManager;
43
44import org.openstreetmap.gui.jmapviewer.FeatureAdapter;
45import org.openstreetmap.josm.actions.JosmAction;
46import org.openstreetmap.josm.actions.OpenFileAction;
47import org.openstreetmap.josm.actions.downloadtasks.DownloadGpsTask;
48import org.openstreetmap.josm.actions.downloadtasks.DownloadOsmTask;
49import org.openstreetmap.josm.actions.downloadtasks.DownloadTask;
50import org.openstreetmap.josm.actions.downloadtasks.PostDownloadHandler;
51import org.openstreetmap.josm.actions.mapmode.MapMode;
52import org.openstreetmap.josm.actions.search.SearchAction;
53import org.openstreetmap.josm.data.Bounds;
54import org.openstreetmap.josm.data.Preferences;
55import org.openstreetmap.josm.data.UndoRedoHandler;
56import org.openstreetmap.josm.data.coor.CoordinateFormat;
57import org.openstreetmap.josm.data.coor.LatLon;
58import org.openstreetmap.josm.data.osm.DataSet;
59import org.openstreetmap.josm.data.osm.PrimitiveDeepCopy;
60import org.openstreetmap.josm.data.projection.Projection;
61import org.openstreetmap.josm.data.projection.ProjectionChangeListener;
62import org.openstreetmap.josm.data.validation.OsmValidator;
63import org.openstreetmap.josm.gui.GettingStarted;
64import org.openstreetmap.josm.gui.MainApplication.Option;
65import org.openstreetmap.josm.gui.MainMenu;
66import org.openstreetmap.josm.gui.MapFrame;
67import org.openstreetmap.josm.gui.MapView;
68import org.openstreetmap.josm.gui.NavigatableComponent.ViewportData;
69import org.openstreetmap.josm.gui.dialogs.LayerListDialog;
70import org.openstreetmap.josm.gui.io.SaveLayersDialog;
71import org.openstreetmap.josm.gui.layer.Layer;
72import org.openstreetmap.josm.gui.layer.OsmDataLayer;
73import org.openstreetmap.josm.gui.layer.OsmDataLayer.CommandQueueListener;
74import org.openstreetmap.josm.gui.preferences.ToolbarPreferences;
75import org.openstreetmap.josm.gui.preferences.imagery.ImageryPreference;
76import org.openstreetmap.josm.gui.preferences.map.MapPaintPreference;
77import org.openstreetmap.josm.gui.preferences.map.TaggingPresetPreference;
78import org.openstreetmap.josm.gui.preferences.projection.ProjectionPreference;
79import org.openstreetmap.josm.gui.progress.PleaseWaitProgressMonitor;
80import org.openstreetmap.josm.gui.progress.ProgressMonitorExecutor;
81import org.openstreetmap.josm.gui.util.RedirectInputMap;
82import org.openstreetmap.josm.io.OsmApi;
83import org.openstreetmap.josm.plugins.PluginHandler;
84import org.openstreetmap.josm.tools.CheckParameterUtil;
85import org.openstreetmap.josm.tools.I18n;
86import org.openstreetmap.josm.tools.ImageProvider;
87import org.openstreetmap.josm.tools.OpenBrowser;
88import org.openstreetmap.josm.tools.OsmUrlToBounds;
89import org.openstreetmap.josm.tools.PlatformHook;
90import org.openstreetmap.josm.tools.PlatformHookOsx;
91import org.openstreetmap.josm.tools.PlatformHookUnixoid;
92import org.openstreetmap.josm.tools.PlatformHookWindows;
93import org.openstreetmap.josm.tools.Shortcut;
94import org.openstreetmap.josm.tools.Utils;
95import org.openstreetmap.josm.tools.WindowGeometry;
96
97abstract public class Main {
98
99 /**
100 * Replies true if JOSM currently displays a map view. False, if it doesn't, i.e. if
101 * it only shows the MOTD panel.
102 *
103 * @return <code>true</code> if JOSM currently displays a map view
104 */
105 static public boolean isDisplayingMapView() {
106 if (map == null) return false;
107 if (map.mapView == null) return false;
108 return true;
109 }
110 /**
111 * Global parent component for all dialogs and message boxes
112 */
113 public static Component parent;
114 /**
115 * Global application.
116 */
117 public static Main main;
118 /**
119 * The worker thread slave. This is for executing all long and intensive
120 * calculations. The executed runnables are guaranteed to be executed separately
121 * and sequential.
122 */
123 public final static ExecutorService worker = new ProgressMonitorExecutor();
124 /**
125 * Global application preferences
126 */
127 public static Preferences pref;
128
129 /**
130 * The global paste buffer.
131 */
132 public static final PrimitiveDeepCopy pasteBuffer = new PrimitiveDeepCopy();
133 public static Layer pasteSource;
134
135 /**
136 * The MapFrame. Use setMapFrame to set or clear it.
137 */
138 public static MapFrame map;
139 /**
140 * Set to <code>true</code>, when in applet mode
141 */
142 public static boolean applet = false;
143
144 /**
145 * The toolbar preference control to register new actions.
146 */
147 public static ToolbarPreferences toolbar;
148
149 public UndoRedoHandler undoRedo = new UndoRedoHandler();
150
151 public static PleaseWaitProgressMonitor currentProgressMonitor;
152
153 /**
154 * The main menu bar at top of screen.
155 */
156 public MainMenu menu;
157
158 /**
159 * The data validation handler.
160 */
161 public OsmValidator validator;
162 /**
163 * The MOTD Layer.
164 */
165 private GettingStarted gettingStarted = new GettingStarted();
166
167 /**
168 * Logging level (3 = debug, 2 = info, 1 = warn, 0 = none).
169 */
170 static public int log_level = 2;
171 /**
172 * Print a warning message if logging is on.
173 * @param msg The message to print.
174 */
175 static public void warn(String msg) {
176 if (log_level < 1)
177 return;
178 System.out.println(msg);
179 }
180 /**
181 * Print an informational message if logging is on.
182 * @param msg The message to print.
183 */
184 static public void info(String msg) {
185 if (log_level < 2)
186 return;
187 System.out.println(msg);
188 }
189 /**
190 * Print an debug message if logging is on.
191 * @param msg The message to print.
192 */
193 static public void debug(String msg) {
194 if (log_level < 3)
195 return;
196 System.out.println(msg);
197 }
198 /**
199 * Print a formated warning message if logging is on. Calls {@link MessageFormat#format}
200 * function to format text.
201 * @param msg The formated message to print.
202 * @param objects The objects to insert into format string.
203 */
204 static public void warn(String msg, Object... objects) {
205 warn(MessageFormat.format(msg, objects));
206 }
207 /**
208 * Print a formated informational message if logging is on. Calls {@link MessageFormat#format}
209 * function to format text.
210 * @param msg The formated message to print.
211 * @param objects The objects to insert into format string.
212 */
213 static public void info(String msg, Object... objects) {
214 info(MessageFormat.format(msg, objects));
215 }
216 /**
217 * Print a formated debug message if logging is on. Calls {@link MessageFormat#format}
218 * function to format text.
219 * @param msg The formated message to print.
220 * @param objects The objects to insert into format string.
221 */
222 static public void debug(String msg, Object... objects) {
223 debug(MessageFormat.format(msg, objects));
224 }
225
226 /**
227 * Platform specific code goes in here.
228 * Plugins may replace it, however, some hooks will be called before any plugins have been loeaded.
229 * So if you need to hook into those early ones, split your class and send the one with the early hooks
230 * to the JOSM team for inclusion.
231 */
232 public static PlatformHook platform;
233
234 /**
235 * Whether or not the java vm is openjdk
236 * We use this to work around openjdk bugs
237 */
238 public static boolean isOpenjdk;
239
240 /**
241 * Set or clear (if passed <code>null</code>) the map.
242 */
243 public final void setMapFrame(final MapFrame map) {
244 MapFrame old = Main.map;
245 panel.setVisible(false);
246 panel.removeAll();
247 if (map != null) {
248 map.fillPanel(panel);
249 } else {
250 old.destroy();
251 panel.add(gettingStarted, BorderLayout.CENTER);
252 }
253 panel.setVisible(true);
254 redoUndoListener.commandChanged(0,0);
255
256 Main.map = map;
257
258 PluginHandler.notifyMapFrameChanged(old, map);
259 if (map == null && currentProgressMonitor != null) {
260 currentProgressMonitor.showForegroundDialog();
261 }
262 }
263
264 /**
265 * Remove the specified layer from the map. If it is the last layer,
266 * remove the map as well.
267 */
268 public final void removeLayer(final Layer layer) {
269 if (map != null) {
270 map.mapView.removeLayer(layer);
271 if (map != null && map.mapView.getAllLayers().isEmpty()) {
272 setMapFrame(null);
273 }
274 }
275 }
276
277 private static InitStatusListener initListener = null;
278
279 public static interface InitStatusListener {
280
281 void updateStatus(String event);
282 }
283
284 public static void setInitStatusListener(InitStatusListener listener) {
285 initListener = listener;
286 }
287
288 public Main() {
289 main = this;
290 isOpenjdk = System.getProperty("java.vm.name").toUpperCase().indexOf("OPENJDK") != -1;
291
292 if (initListener != null) {
293 initListener.updateStatus(tr("Executing platform startup hook"));
294 }
295 platform.startupHook();
296
297 if (initListener != null) {
298 initListener.updateStatus(tr("Building main menu"));
299 }
300 contentPanePrivate.add(panel, BorderLayout.CENTER);
301 panel.add(gettingStarted, BorderLayout.CENTER);
302 menu = new MainMenu();
303
304 undoRedo.addCommandQueueListener(redoUndoListener);
305
306 // creating toolbar
307 contentPanePrivate.add(toolbar.control, BorderLayout.NORTH);
308
309 registerActionShortcut(menu.help, Shortcut.registerShortcut("system:help", tr("Help"),
310 KeyEvent.VK_F1, Shortcut.DIRECT));
311
312 // contains several initialization tasks to be executed (in parallel) by a ExecutorService
313 List<Callable<Void>> tasks = new ArrayList<Callable<Void>>();
314
315 tasks.add(new Callable<Void>() {
316
317 @Override
318 public Void call() throws Exception {
319 // We try to establish an API connection early, so that any API
320 // capabilities are already known to the editor instance. However
321 // if it goes wrong that's not critical at this stage.
322 if (initListener != null) {
323 initListener.updateStatus(tr("Initializing OSM API"));
324 }
325 try {
326 OsmApi.getOsmApi().initialize(null, true);
327 } catch (Exception x) {
328 // ignore any exception here.
329 }
330 return null;
331 }
332 });
333
334 tasks.add(new Callable<Void>() {
335
336 @Override
337 public Void call() throws Exception {
338 if (initListener != null) {
339 initListener.updateStatus(tr("Initializing presets"));
340 }
341 TaggingPresetPreference.initialize();
342 // some validator tests require the presets to be initialized
343 // TODO remove this dependency for parallel initialization
344 if (initListener != null) {
345 initListener.updateStatus(tr("Initializing validator"));
346 }
347 validator = new OsmValidator();
348 MapView.addLayerChangeListener(validator);
349 return null;
350 }
351 });
352
353 tasks.add(new Callable<Void>() {
354
355 @Override
356 public Void call() throws Exception {
357 if (initListener != null) {
358 initListener.updateStatus(tr("Initializing map styles"));
359 }
360 MapPaintPreference.initialize();
361 return null;
362 }
363 });
364
365 tasks.add(new Callable<Void>() {
366
367 @Override
368 public Void call() throws Exception {
369 if (initListener != null) {
370 initListener.updateStatus(tr("Loading imagery preferences"));
371 }
372 ImageryPreference.initialize();
373 return null;
374 }
375 });
376
377 try {
378 for (Future<Void> i : Executors.newFixedThreadPool(
379 Runtime.getRuntime().availableProcessors()).invokeAll(tasks)) {
380 i.get();
381 }
382 } catch (Exception ex) {
383 throw new RuntimeException(ex);
384 }
385
386 // hooks for the jmapviewer component
387 FeatureAdapter.registerBrowserAdapter(new FeatureAdapter.BrowserAdapter() {
388 @Override
389 public void openLink(String url) {
390 OpenBrowser.displayUrl(url);
391 }
392 });
393 FeatureAdapter.registerTranslationAdapter(I18n.getTranslationAdapter());
394
395 if (initListener != null) {
396 initListener.updateStatus(tr("Updating user interface"));
397 }
398
399 toolbar.refreshToolbarControl();
400
401 toolbar.control.updateUI();
402 contentPanePrivate.updateUI();
403
404 }
405
406 /**
407 * Add a new layer to the map. If no map exists, create one.
408 */
409 public final synchronized void addLayer(final Layer layer) {
410 boolean noMap = map == null;
411 if (noMap) {
412 createMapFrame(layer, null);
413 }
414 layer.hookUpMapView();
415 map.mapView.addLayer(layer);
416 if (noMap) {
417 Main.map.setVisible(true);
418 }
419 }
420
421 public synchronized void createMapFrame(Layer firstLayer, ViewportData viewportData) {
422 MapFrame mapFrame = new MapFrame(contentPanePrivate, viewportData);
423 setMapFrame(mapFrame);
424 if (firstLayer != null) {
425 mapFrame.selectMapMode((MapMode)mapFrame.getDefaultButtonAction(), firstLayer);
426 }
427 mapFrame.initializeDialogsPane();
428 // bootstrapping problem: make sure the layer list dialog is going to
429 // listen to change events of the very first layer
430 //
431 firstLayer.addPropertyChangeListener(LayerListDialog.getInstance().getModel());
432 }
433
434 /**
435 * Replies <code>true</code> if there is an edit layer
436 *
437 * @return <code>true</code> if there is an edit layer
438 */
439 public boolean hasEditLayer() {
440 if (getEditLayer() == null) return false;
441 return true;
442 }
443
444 /**
445 * Replies the current edit layer
446 *
447 * @return the current edit layer. <code>null</code>, if no current edit layer exists
448 */
449 public OsmDataLayer getEditLayer() {
450 if (map == null) return null;
451 if (map.mapView == null) return null;
452 return map.mapView.getEditLayer();
453 }
454
455 /**
456 * Replies the current data set.
457 *
458 * @return the current data set. <code>null</code>, if no current data set exists
459 */
460 public DataSet getCurrentDataSet() {
461 if (!hasEditLayer()) return null;
462 return getEditLayer().data;
463 }
464
465 /**
466 * Returns the currently active layer
467 *
468 * @return the currently active layer. <code>null</code>, if currently no active layer exists
469 */
470 public Layer getActiveLayer() {
471 if (map == null) return null;
472 if (map.mapView == null) return null;
473 return map.mapView.getActiveLayer();
474 }
475
476 protected static final JPanel contentPanePrivate = new JPanel(new BorderLayout());
477
478 public static void redirectToMainContentPane(JComponent source) {
479 RedirectInputMap.redirect(source, contentPanePrivate);
480 }
481
482 public static void registerActionShortcut(JosmAction action) {
483 registerActionShortcut(action, action.getShortcut());
484 }
485
486 public static void registerActionShortcut(Action action, Shortcut shortcut) {
487 KeyStroke keyStroke = shortcut.getKeyStroke();
488 if (keyStroke == null)
489 return;
490
491 InputMap inputMap = contentPanePrivate.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW);
492 Object existing = inputMap.get(keyStroke);
493 if (existing != null && !existing.equals(action)) {
494 System.out.println(String.format("Keystroke %s is already assigned to %s, will be overridden by %s", keyStroke, existing, action));
495 }
496 inputMap.put(keyStroke, action);
497
498 contentPanePrivate.getActionMap().put(action, action);
499 }
500
501 public static void unregisterShortcut(Shortcut shortcut) {
502 contentPanePrivate.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).remove(shortcut.getKeyStroke());
503 }
504
505 public static void unregisterActionShortcut(JosmAction action) {
506 unregisterActionShortcut(action, action.getShortcut());
507 }
508
509 public static void unregisterActionShortcut(Action action, Shortcut shortcut) {
510 unregisterShortcut(shortcut);
511 contentPanePrivate.getActionMap().remove(action);
512 }
513
514 ///////////////////////////////////////////////////////////////////////////
515 // Implementation part
516 ///////////////////////////////////////////////////////////////////////////
517
518 public static final JPanel panel = new JPanel(new BorderLayout());
519
520 protected static WindowGeometry geometry;
521 protected static int windowState = JFrame.NORMAL;
522
523 private final CommandQueueListener redoUndoListener = new CommandQueueListener(){
524 public void commandChanged(final int queueSize, final int redoSize) {
525 menu.undo.setEnabled(queueSize > 0);
526 menu.redo.setEnabled(redoSize > 0);
527 }
528 };
529
530 /**
531 * Should be called before the main constructor to setup some parameter stuff
532 * @param args The parsed argument list.
533 */
534 public static void preConstructorInit(Map<Option, Collection<String>> args) {
535 ProjectionPreference.setProjection();
536
537 try {
538 String defaultlaf = platform.getDefaultStyle();
539 String laf = Main.pref.get("laf", defaultlaf);
540 try {
541 UIManager.setLookAndFeel(laf);
542 }
543 catch (final java.lang.ClassNotFoundException e) {
544 System.out.println("Look and Feel not found: " + laf);
545 Main.pref.put("laf", defaultlaf);
546 }
547 catch (final javax.swing.UnsupportedLookAndFeelException e) {
548 System.out.println("Look and Feel not supported: " + laf);
549 Main.pref.put("laf", defaultlaf);
550 }
551 toolbar = new ToolbarPreferences();
552 contentPanePrivate.updateUI();
553 panel.updateUI();
554 } catch (final Exception e) {
555 e.printStackTrace();
556 }
557 UIManager.put("OptionPane.okIcon", ImageProvider.get("ok"));
558 UIManager.put("OptionPane.yesIcon", UIManager.get("OptionPane.okIcon"));
559 UIManager.put("OptionPane.cancelIcon", ImageProvider.get("cancel"));
560 UIManager.put("OptionPane.noIcon", UIManager.get("OptionPane.cancelIcon"));
561
562 I18n.translateJavaInternalMessages();
563
564 // init default coordinate format
565 //
566 try {
567 //CoordinateFormat format = CoordinateFormat.valueOf(Main.pref.get("coordinates"));
568 CoordinateFormat.setCoordinateFormat(CoordinateFormat.valueOf(Main.pref.get("coordinates")));
569 } catch (IllegalArgumentException iae) {
570 CoordinateFormat.setCoordinateFormat(CoordinateFormat.DECIMAL_DEGREES);
571 }
572
573 geometry = WindowGeometry.mainWindow("gui.geometry",
574 (args.containsKey(Option.GEOMETRY) ? args.get(Option.GEOMETRY).iterator().next() : null),
575 !args.containsKey(Option.NO_MAXIMIZE) && Main.pref.getBoolean("gui.maximized", false));
576 }
577
578 public void postConstructorProcessCmdLine(Map<Option, Collection<String>> args) {
579 if (args.containsKey(Option.DOWNLOAD)) {
580 List<File> fileList = new ArrayList<File>();
581 for (String s : args.get(Option.DOWNLOAD)) {
582 File f = null;
583 switch(paramType(s)) {
584 case httpUrl:
585 downloadFromParamHttp(false, s);
586 break;
587 case bounds:
588 downloadFromParamBounds(false, s);
589 break;
590 case fileUrl:
591 try {
592 f = new File(new URI(s));
593 } catch (URISyntaxException e) {
594 JOptionPane.showMessageDialog(
595 Main.parent,
596 tr("Ignoring malformed file URL: \"{0}\"", s),
597 tr("Warning"),
598 JOptionPane.WARNING_MESSAGE
599 );
600 }
601 if (f!=null) {
602 fileList.add(f);
603 }
604 break;
605 case fileName:
606 f = new File(s);
607 fileList.add(f);
608 break;
609 }
610 }
611 if(!fileList.isEmpty())
612 {
613 OpenFileAction.openFiles(fileList, true);
614 }
615 }
616 if (args.containsKey(Option.DOWNLOADGPS)) {
617 for (String s : args.get(Option.DOWNLOADGPS)) {
618 switch(paramType(s)) {
619 case httpUrl:
620 downloadFromParamHttp(true, s);
621 break;
622 case bounds:
623 downloadFromParamBounds(true, s);
624 break;
625 case fileUrl:
626 case fileName:
627 JOptionPane.showMessageDialog(
628 Main.parent,
629 tr("Parameter \"downloadgps\" does not accept file names or file URLs"),
630 tr("Warning"),
631 JOptionPane.WARNING_MESSAGE
632 );
633 }
634 }
635 }
636 if (args.containsKey(Option.SELECTION)) {
637 for (String s : args.get(Option.SELECTION)) {
638 SearchAction.search(s, SearchAction.SearchMode.add);
639 }
640 }
641 }
642
643 /**
644 * Asks user to perform "save layer" operations (save .osm on disk and/or upload osm data to server) for all {@link OsmDataLayer} before JOSM exits.
645 * @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.
646 * @since 2025
647 */
648 public static boolean saveUnsavedModifications() {
649 if (map == null || map.mapView == null) return true;
650 return saveUnsavedModifications(map.mapView.getLayersOfType(OsmDataLayer.class), true);
651 }
652
653 /**
654 * Asks user to perform "save layer" operations (save .osm on disk and/or upload osm data to server) before osm layers deletion.
655 *
656 * @param selectedLayers The layers to check. Only instances of {@link OsmDataLayer} are considered.
657 * @param exit {@code true} if JOSM is exiting, {@code false} otherwise.
658 * @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.
659 * @since 5519
660 */
661 public static boolean saveUnsavedModifications(List<? extends Layer> selectedLayers, boolean exit) {
662 SaveLayersDialog dialog = new SaveLayersDialog(parent);
663 List<OsmDataLayer> layersWithUnmodifiedChanges = new ArrayList<OsmDataLayer>();
664 for (Layer l: selectedLayers) {
665 if (!(l instanceof OsmDataLayer)) {
666 continue;
667 }
668 OsmDataLayer odl = (OsmDataLayer)l;
669 if ((odl.requiresSaveToFile() || (odl.requiresUploadToServer() && !odl.isUploadDiscouraged())) && odl.data.isModified()) {
670 layersWithUnmodifiedChanges.add(odl);
671 }
672 }
673 if (exit) {
674 dialog.prepareForSavingAndUpdatingLayersBeforeExit();
675 } else {
676 dialog.prepareForSavingAndUpdatingLayersBeforeDelete();
677 }
678 if (!layersWithUnmodifiedChanges.isEmpty()) {
679 dialog.getModel().populate(layersWithUnmodifiedChanges);
680 dialog.setVisible(true);
681 switch(dialog.getUserAction()) {
682 case CANCEL: return false;
683 case PROCEED: return true;
684 default: return false;
685 }
686 }
687
688 return true;
689 }
690
691 public static boolean exitJosm(boolean exit) {
692 if (Main.saveUnsavedModifications()) {
693 geometry.remember("gui.geometry");
694 if (map != null) {
695 map.rememberToggleDialogWidth();
696 }
697 pref.put("gui.maximized", (windowState & JFrame.MAXIMIZED_BOTH) != 0);
698 // Remove all layers because somebody may rely on layerRemoved events (like AutosaveTask)
699 if (Main.isDisplayingMapView()) {
700 Collection<Layer> layers = new ArrayList<Layer>(Main.map.mapView.getAllLayers());
701 for (Layer l: layers) {
702 Main.map.mapView.removeLayer(l);
703 }
704 }
705 if (exit) {
706 System.exit(0);
707 return true;
708 } else
709 return true;
710 } else
711 return false;
712 }
713
714 /**
715 * The type of a command line parameter, to be used in switch statements.
716 * @see #paramType
717 */
718 private enum DownloadParamType { httpUrl, fileUrl, bounds, fileName }
719
720 /**
721 * Guess the type of a parameter string specified on the command line with --download= or --downloadgps.
722 * @param s A parameter string
723 * @return The guessed parameter type
724 */
725 private DownloadParamType paramType(String s) {
726 if(s.startsWith("http:")) return DownloadParamType.httpUrl;
727 if(s.startsWith("file:")) return DownloadParamType.fileUrl;
728 String coorPattern = "\\s*[+-]?[0-9]+(\\.[0-9]+)?\\s*";
729 if(s.matches(coorPattern+"(,"+coorPattern+"){3}")) return DownloadParamType.bounds;
730 // everything else must be a file name
731 return DownloadParamType.fileName;
732 }
733
734 /**
735 * Download area specified on the command line as OSM URL.
736 * @param rawGps Flag to download raw GPS tracks
737 * @param s The URL parameter
738 */
739 private static void downloadFromParamHttp(final boolean rawGps, String s) {
740 final Bounds b = OsmUrlToBounds.parse(s);
741 if (b == null) {
742 JOptionPane.showMessageDialog(
743 Main.parent,
744 tr("Ignoring malformed URL: \"{0}\"", s),
745 tr("Warning"),
746 JOptionPane.WARNING_MESSAGE
747 );
748 } else {
749 downloadFromParamBounds(rawGps, b);
750 }
751 }
752
753 /**
754 * Download area specified on the command line as bounds string.
755 * @param rawGps Flag to download raw GPS tracks
756 * @param s The bounds parameter
757 */
758 private static void downloadFromParamBounds(final boolean rawGps, String s) {
759 final StringTokenizer st = new StringTokenizer(s, ",");
760 if (st.countTokens() == 4) {
761 Bounds b = new Bounds(
762 new LatLon(Double.parseDouble(st.nextToken()),Double.parseDouble(st.nextToken())),
763 new LatLon(Double.parseDouble(st.nextToken()),Double.parseDouble(st.nextToken()))
764 );
765 downloadFromParamBounds(rawGps, b);
766 }
767 }
768
769 /**
770 * Download area specified as Bounds value.
771 * @param rawGps Flag to download raw GPS tracks
772 * @param b The bounds value
773 * @see #downloadFromParamBounds(boolean, String)
774 * @see #downloadFromParamHttp
775 */
776 private static void downloadFromParamBounds(final boolean rawGps, Bounds b) {
777 DownloadTask task = rawGps ? new DownloadGpsTask() : new DownloadOsmTask();
778 // asynchronously launch the download task ...
779 Future<?> future = task.download(true, b, null);
780 // ... and the continuation when the download is finished (this will wait for the download to finish)
781 Main.worker.execute(new PostDownloadHandler(task, future));
782 }
783
784 public static void determinePlatformHook() {
785 String os = System.getProperty("os.name");
786 if (os == null) {
787 System.err.println("Your operating system has no name, so I'm guessing its some kind of *nix.");
788 platform = new PlatformHookUnixoid();
789 } else if (os.toLowerCase().startsWith("windows")) {
790 platform = new PlatformHookWindows();
791 } else if (os.equals("Linux") || os.equals("Solaris") ||
792 os.equals("SunOS") || os.equals("AIX") ||
793 os.equals("FreeBSD") || os.equals("NetBSD") || os.equals("OpenBSD")) {
794 platform = new PlatformHookUnixoid();
795 } else if (os.toLowerCase().startsWith("mac os x")) {
796 platform = new PlatformHookOsx();
797 } else {
798 System.err.println("I don't know your operating system '"+os+"', so I'm guessing its some kind of *nix.");
799 platform = new PlatformHookUnixoid();
800 }
801 }
802
803 private static class WindowPositionSizeListener extends WindowAdapter implements
804 ComponentListener {
805 @Override
806 public void windowStateChanged(WindowEvent e) {
807 Main.windowState = e.getNewState();
808 }
809
810 @Override
811 public void componentHidden(ComponentEvent e) {
812 }
813
814 @Override
815 public void componentMoved(ComponentEvent e) {
816 handleComponentEvent(e);
817 }
818
819 @Override
820 public void componentResized(ComponentEvent e) {
821 handleComponentEvent(e);
822 }
823
824 @Override
825 public void componentShown(ComponentEvent e) {
826 }
827
828 private void handleComponentEvent(ComponentEvent e) {
829 Component c = e.getComponent();
830 if (c instanceof JFrame && c.isVisible()) {
831 if(Main.windowState == JFrame.NORMAL) {
832 Main.geometry = new WindowGeometry((JFrame) c);
833 } else {
834 Main.geometry.fixScreen((JFrame) c);
835 }
836 }
837 }
838 }
839 public static void addListener() {
840 parent.addComponentListener(new WindowPositionSizeListener());
841 ((JFrame)parent).addWindowStateListener(new WindowPositionSizeListener());
842 }
843
844 public static void checkJava6() {
845 String version = System.getProperty("java.version");
846 if (version != null) {
847 if (version.startsWith("1.6") || version.startsWith("6") ||
848 version.startsWith("1.7") || version.startsWith("7"))
849 return;
850 if (version.startsWith("1.5") || version.startsWith("5")) {
851 JLabel ho = new JLabel("<html>"+
852 tr("<h2>JOSM requires Java version 6.</h2>"+
853 "Detected Java version: {0}.<br>"+
854 "You can <ul><li>update your Java (JRE) or</li>"+
855 "<li>use an earlier (Java 5 compatible) version of JOSM.</li></ul>"+
856 "More Info:", version)+"</html>");
857 JTextArea link = new JTextArea("http://josm.openstreetmap.de/wiki/Help/SystemRequirements");
858 link.setEditable(false);
859 link.setBackground(panel.getBackground());
860 JPanel panel = new JPanel(new GridBagLayout());
861 GridBagConstraints gbc = new GridBagConstraints();
862 gbc.gridwidth = GridBagConstraints.REMAINDER;
863 gbc.anchor = GridBagConstraints.WEST;
864 gbc.weightx = 1.0;
865 panel.add(ho, gbc);
866 panel.add(link, gbc);
867 final String EXIT = tr("Exit JOSM");
868 final String CONTINUE = tr("Continue, try anyway");
869 int ret = JOptionPane.showOptionDialog(null, panel, tr("Error"), JOptionPane.YES_NO_OPTION, JOptionPane.ERROR_MESSAGE, null, new String[] {EXIT, CONTINUE}, EXIT);
870 if (ret == 0) {
871 System.exit(0);
872 }
873 return;
874 }
875 }
876 System.err.println("Error: Could not recognize Java Version: "+version);
877 }
878
879 /* ----------------------------------------------------------------------------------------- */
880 /* projection handling - Main is a registry for a single, global projection instance */
881 /* */
882 /* TODO: For historical reasons the registry is implemented by Main. An alternative approach */
883 /* would be a singleton org.openstreetmap.josm.data.projection.ProjectionRegistry class. */
884 /* ----------------------------------------------------------------------------------------- */
885 /**
886 * The projection method used.
887 * use {@link #getProjection()} and {@link #setProjection(Projection)} for access.
888 * Use {@link #setProjection(Projection)} in order to trigger a projection change event.
889 */
890 private static Projection proj;
891
892 /**
893 * Replies the current projection.
894 *
895 * @return the currently active projection
896 */
897 public static Projection getProjection() {
898 return proj;
899 }
900
901 /**
902 * Sets the current projection
903 *
904 * @param p the projection
905 */
906 public static void setProjection(Projection p) {
907 CheckParameterUtil.ensureParameterNotNull(p);
908 Projection oldValue = proj;
909 Bounds b = isDisplayingMapView() ? map.mapView.getRealBounds() : null;
910 proj = p;
911 fireProjectionChanged(oldValue, proj, b);
912 }
913
914 /*
915 * Keep WeakReferences to the listeners. This relieves clients from the burden of
916 * explicitly removing the listeners and allows us to transparently register every
917 * created dataset as projection change listener.
918 */
919 private static final ArrayList<WeakReference<ProjectionChangeListener>> listeners = new ArrayList<WeakReference<ProjectionChangeListener>>();
920
921 private static void fireProjectionChanged(Projection oldValue, Projection newValue, Bounds oldBounds) {
922 if (newValue == null ^ oldValue == null
923 || (newValue != null && oldValue != null && !Utils.equal(newValue.toCode(), oldValue.toCode()))) {
924
925 synchronized(Main.class) {
926 Iterator<WeakReference<ProjectionChangeListener>> it = listeners.iterator();
927 while (it.hasNext()){
928 WeakReference<ProjectionChangeListener> wr = it.next();
929 ProjectionChangeListener listener = wr.get();
930 if (listener == null) {
931 it.remove();
932 continue;
933 }
934 listener.projectionChanged(oldValue, newValue);
935 }
936 }
937 if (newValue != null && oldBounds != null) {
938 Main.map.mapView.zoomTo(oldBounds);
939 }
940 /* TODO - remove layers with fixed projection */
941 }
942 }
943
944 /**
945 * Register a projection change listener.
946 *
947 * @param listener the listener. Ignored if <code>null</code>.
948 */
949 public static void addProjectionChangeListener(ProjectionChangeListener listener) {
950 if (listener == null) return;
951 synchronized (Main.class) {
952 for (WeakReference<ProjectionChangeListener> wr : listeners) {
953 // already registered ? => abort
954 if (wr.get() == listener) return;
955 }
956 listeners.add(new WeakReference<ProjectionChangeListener>(listener));
957 }
958 }
959
960 /**
961 * Removes a projection change listener.
962 *
963 * @param listener the listener. Ignored if <code>null</code>.
964 */
965 public static void removeProjectionChangeListener(ProjectionChangeListener listener) {
966 if (listener == null) return;
967 synchronized(Main.class){
968 Iterator<WeakReference<ProjectionChangeListener>> it = listeners.iterator();
969 while (it.hasNext()){
970 WeakReference<ProjectionChangeListener> wr = it.next();
971 // remove the listener - and any other listener which got garbage
972 // collected in the meantime
973 if (wr.get() == null || wr.get() == listener) {
974 it.remove();
975 }
976 }
977 }
978 }
979
980 /**
981 * Listener for window switch events.
982 *
983 * These are events, when the user activates a window of another application
984 * or comes back to JOSM. Window switches from one JOSM window to another
985 * are not reported.
986 */
987 public static interface WindowSwitchListener {
988 /**
989 * Called when the user activates a window of another application.
990 */
991 void toOtherApplication();
992 /**
993 * Called when the user comes from a window of another application
994 * back to JOSM.
995 */
996 void fromOtherApplication();
997 }
998
999 private static final ArrayList<WeakReference<WindowSwitchListener>> windowSwitchListeners = new ArrayList<WeakReference<WindowSwitchListener>>();
1000
1001 /**
1002 * Register a window switch listener.
1003 *
1004 * @param listener the listener. Ignored if <code>null</code>.
1005 */
1006 public static void addWindowSwitchListener(WindowSwitchListener listener) {
1007 if (listener == null) return;
1008 synchronized (Main.class) {
1009 for (WeakReference<WindowSwitchListener> wr : windowSwitchListeners) {
1010 // already registered ? => abort
1011 if (wr.get() == listener) return;
1012 }
1013 boolean wasEmpty = windowSwitchListeners.isEmpty();
1014 windowSwitchListeners.add(new WeakReference<WindowSwitchListener>(listener));
1015 if (wasEmpty) {
1016 // The following call will have no effect, when there is no window
1017 // at the time. Therefore, MasterWindowListener.setup() will also be
1018 // called, as soon as the main window is shown.
1019 MasterWindowListener.setup();
1020 }
1021 }
1022 }
1023
1024 /**
1025 * Removes a window switch listener.
1026 *
1027 * @param listener the listener. Ignored if <code>null</code>.
1028 */
1029 public static void removeWindowSwitchListener(WindowSwitchListener listener) {
1030 if (listener == null) return;
1031 synchronized (Main.class){
1032 Iterator<WeakReference<WindowSwitchListener>> it = windowSwitchListeners.iterator();
1033 while (it.hasNext()){
1034 WeakReference<WindowSwitchListener> wr = it.next();
1035 // remove the listener - and any other listener which got garbage
1036 // collected in the meantime
1037 if (wr.get() == null || wr.get() == listener) {
1038 it.remove();
1039 }
1040 }
1041 if (windowSwitchListeners.isEmpty()) {
1042 MasterWindowListener.teardown();
1043 }
1044 }
1045 }
1046
1047 /**
1048 * WindowListener, that is registered on all Windows of the application.
1049 *
1050 * Its purpose is to notify WindowSwitchListeners, that the user switches to
1051 * another application, e.g. a browser, or back to JOSM.
1052 *
1053 * When changing from JOSM to another application and back (e.g. two times
1054 * alt+tab), the active Window within JOSM may be different.
1055 * Therefore, we need to register listeners to <strong>all</strong> (visible)
1056 * Windows in JOSM, and it does not suffice to monitor the one that was
1057 * deactivated last.
1058 *
1059 * This class is only "active" on demand, i.e. when there is at least one
1060 * WindowSwitchListener registered.
1061 */
1062 protected static class MasterWindowListener extends WindowAdapter {
1063
1064 private static MasterWindowListener INSTANCE;
1065
1066 public static MasterWindowListener getInstance() {
1067 if (INSTANCE == null) {
1068 INSTANCE = new MasterWindowListener();
1069 }
1070 return INSTANCE;
1071 }
1072
1073 /**
1074 * Register listeners to all non-hidden windows.
1075 *
1076 * Windows that are created later, will be cared for in {@link #windowDeactivated(WindowEvent)}.
1077 */
1078 public static void setup() {
1079 if (!windowSwitchListeners.isEmpty()) {
1080 for (Window w : Window.getWindows()) {
1081 if (w.isShowing()) {
1082 if (!Arrays.asList(w.getWindowListeners()).contains(getInstance())) {
1083 w.addWindowListener(getInstance());
1084 }
1085 }
1086 }
1087 }
1088 }
1089
1090 /**
1091 * Unregister all listeners.
1092 */
1093 public static void teardown() {
1094 for (Window w : Window.getWindows()) {
1095 w.removeWindowListener(getInstance());
1096 }
1097 }
1098
1099 @Override
1100 public void windowActivated(WindowEvent e) {
1101 if (e.getOppositeWindow() == null) { // we come from a window of a different application
1102 // fire WindowSwitchListeners
1103 synchronized (Main.class) {
1104 Iterator<WeakReference<WindowSwitchListener>> it = windowSwitchListeners.iterator();
1105 while (it.hasNext()){
1106 WeakReference<WindowSwitchListener> wr = it.next();
1107 WindowSwitchListener listener = wr.get();
1108 if (listener == null) {
1109 it.remove();
1110 continue;
1111 }
1112 listener.fromOtherApplication();
1113 }
1114 }
1115 }
1116 }
1117
1118 @Override
1119 public void windowDeactivated(WindowEvent e) {
1120 // set up windows that have been created in the meantime
1121 for (Window w : Window.getWindows()) {
1122 if (!w.isShowing()) {
1123 w.removeWindowListener(getInstance());
1124 } else {
1125 if (!Arrays.asList(w.getWindowListeners()).contains(getInstance())) {
1126 w.addWindowListener(getInstance());
1127 }
1128 }
1129 }
1130 if (e.getOppositeWindow() == null) { // we go to a window of a different application
1131 // fire WindowSwitchListeners
1132 synchronized (Main.class) {
1133 Iterator<WeakReference<WindowSwitchListener>> it = windowSwitchListeners.iterator();
1134 while (it.hasNext()){
1135 WeakReference<WindowSwitchListener> wr = it.next();
1136 WindowSwitchListener listener = wr.get();
1137 if (listener == null) {
1138 it.remove();
1139 continue;
1140 }
1141 listener.toOtherApplication();
1142 }
1143 }
1144 }
1145 }
1146 }
1147
1148}
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