source: josm/trunk/src/org/openstreetmap/josm/Main.java@ 5142

Last change on this file since 5142 was 5142, checked in by stoecker, 12 years ago

fix multiscreen handling for unseparated virtual screens
  • Property svn:eol-style set to native
File size: 32.8 KB
Line 
1// License: GPL. Copyright 2007 by Immanuel Scholz and others
2package org.openstreetmap.josm;
3import static org.openstreetmap.josm.tools.I18n.tr;
4
5import java.awt.BorderLayout;
6import java.awt.Component;
7import java.awt.GridBagConstraints;
8import java.awt.GridBagLayout;
9import java.awt.event.ComponentEvent;
10import java.awt.event.ComponentListener;
11import java.awt.event.KeyEvent;
12import java.awt.event.WindowAdapter;
13import java.awt.event.WindowEvent;
14import java.io.File;
15import java.lang.ref.WeakReference;
16import java.net.URI;
17import java.net.URISyntaxException;
18import java.util.ArrayList;
19import java.util.Collection;
20import java.util.Iterator;
21import java.util.List;
22import java.util.Map;
23import java.util.StringTokenizer;
24import java.util.concurrent.Callable;
25import java.util.concurrent.ExecutorService;
26import java.util.concurrent.Executors;
27import java.util.concurrent.Future;
28
29import javax.swing.Action;
30import javax.swing.InputMap;
31import javax.swing.JComponent;
32import javax.swing.JFrame;
33import javax.swing.JLabel;
34import javax.swing.JOptionPane;
35import javax.swing.JPanel;
36import javax.swing.JTextArea;
37import javax.swing.KeyStroke;
38import javax.swing.UIManager;
39
40import org.openstreetmap.gui.jmapviewer.FeatureAdapter;
41import org.openstreetmap.josm.actions.JosmAction;
42import org.openstreetmap.josm.actions.OpenFileAction;
43import org.openstreetmap.josm.actions.downloadtasks.DownloadGpsTask;
44import org.openstreetmap.josm.actions.downloadtasks.DownloadOsmTask;
45import org.openstreetmap.josm.actions.downloadtasks.DownloadTask;
46import org.openstreetmap.josm.actions.downloadtasks.PostDownloadHandler;
47import org.openstreetmap.josm.actions.mapmode.MapMode;
48import org.openstreetmap.josm.actions.search.SearchAction;
49import org.openstreetmap.josm.data.Bounds;
50import org.openstreetmap.josm.data.Preferences;
51import org.openstreetmap.josm.data.UndoRedoHandler;
52import org.openstreetmap.josm.data.coor.CoordinateFormat;
53import org.openstreetmap.josm.data.coor.LatLon;
54import org.openstreetmap.josm.data.osm.DataSet;
55import org.openstreetmap.josm.data.osm.PrimitiveDeepCopy;
56import org.openstreetmap.josm.data.projection.Projection;
57import org.openstreetmap.josm.data.projection.ProjectionChangeListener;
58import org.openstreetmap.josm.data.validation.OsmValidator;
59import org.openstreetmap.josm.gui.GettingStarted;
60import org.openstreetmap.josm.gui.MainMenu;
61import org.openstreetmap.josm.gui.MapFrame;
62import org.openstreetmap.josm.gui.MapView;
63import org.openstreetmap.josm.gui.dialogs.LayerListDialog;
64import org.openstreetmap.josm.gui.io.SaveLayersDialog;
65import org.openstreetmap.josm.gui.layer.Layer;
66import org.openstreetmap.josm.gui.layer.OsmDataLayer;
67import org.openstreetmap.josm.gui.layer.OsmDataLayer.CommandQueueListener;
68import org.openstreetmap.josm.gui.preferences.ToolbarPreferences;
69import org.openstreetmap.josm.gui.preferences.imagery.ImageryPreference;
70import org.openstreetmap.josm.gui.preferences.map.MapPaintPreference;
71import org.openstreetmap.josm.gui.preferences.map.ProjectionPreference;
72import org.openstreetmap.josm.gui.preferences.map.TaggingPresetPreference;
73import org.openstreetmap.josm.gui.progress.PleaseWaitProgressMonitor;
74import org.openstreetmap.josm.gui.progress.ProgressMonitorExecutor;
75import org.openstreetmap.josm.gui.util.RedirectInputMap;
76import org.openstreetmap.josm.io.OsmApi;
77import org.openstreetmap.josm.plugins.PluginHandler;
78import org.openstreetmap.josm.tools.CheckParameterUtil;
79import org.openstreetmap.josm.tools.I18n;
80import org.openstreetmap.josm.tools.ImageProvider;
81import org.openstreetmap.josm.tools.OpenBrowser;
82import org.openstreetmap.josm.tools.OsmUrlToBounds;
83import org.openstreetmap.josm.tools.PlatformHook;
84import org.openstreetmap.josm.tools.PlatformHookOsx;
85import org.openstreetmap.josm.tools.PlatformHookUnixoid;
86import org.openstreetmap.josm.tools.PlatformHookWindows;
87import org.openstreetmap.josm.tools.Shortcut;
88import org.openstreetmap.josm.tools.Utils;
89import org.openstreetmap.josm.tools.WindowGeometry;
90
91abstract public class Main {
92
93 /**
94 * Replies true if JOSM currently displays a map view. False, if it doesn't, i.e. if
95 * it only shows the MOTD panel.
96 *
97 * @return true if JOSM currently displays a map view
98 */
99 static public boolean isDisplayingMapView() {
100 if (map == null) return false;
101 if (map.mapView == null) return false;
102 return true;
103 }
104 /**
105 * Global parent component for all dialogs and message boxes
106 */
107 public static Component parent;
108 /**
109 * Global application.
110 */
111 public static Main main;
112 /**
113 * The worker thread slave. This is for executing all long and intensive
114 * calculations. The executed runnables are guaranteed to be executed separately
115 * and sequential.
116 */
117 public final static ExecutorService worker = new ProgressMonitorExecutor();
118 /**
119 * Global application preferences
120 */
121 public static Preferences pref;
122
123 /**
124 * The global paste buffer.
125 */
126 public static final PrimitiveDeepCopy pasteBuffer = new PrimitiveDeepCopy();
127 public static Layer pasteSource;
128
129 /**
130 * The MapFrame. Use setMapFrame to set or clear it.
131 */
132 public static MapFrame map;
133 /**
134 * True, when in applet mode
135 */
136 public static boolean applet = false;
137
138 /**
139 * The toolbar preference control to register new actions.
140 */
141 public static ToolbarPreferences toolbar;
142
143 public UndoRedoHandler undoRedo = new UndoRedoHandler();
144
145 public static PleaseWaitProgressMonitor currentProgressMonitor;
146
147 /**
148 * The main menu bar at top of screen.
149 */
150 public MainMenu menu;
151
152 public OsmValidator validator;
153 /**
154 * The MOTD Layer.
155 */
156 private GettingStarted gettingStarted = new GettingStarted();
157
158 /**
159 * Print a message if logging is on.
160 */
161 static public int log_level = 2;
162 static public void warn(String msg) {
163 if (log_level < 1)
164 return;
165 System.out.println(msg);
166 }
167 static public void info(String msg) {
168 if (log_level < 2)
169 return;
170 System.out.println(msg);
171 }
172 static public void debug(String msg) {
173 if (log_level < 3)
174 return;
175 System.out.println(msg);
176 }
177
178 /**
179 * Platform specific code goes in here.
180 * Plugins may replace it, however, some hooks will be called before any plugins have been loeaded.
181 * So if you need to hook into those early ones, split your class and send the one with the early hooks
182 * to the JOSM team for inclusion.
183 */
184 public static PlatformHook platform;
185
186 /**
187 * Wheather or not the java vm is openjdk
188 * We use this to work around openjdk bugs
189 */
190 public static boolean isOpenjdk;
191
192 /**
193 * Set or clear (if passed <code>null</code>) the map.
194 */
195 public final void setMapFrame(final MapFrame map) {
196 MapFrame old = Main.map;
197 panel.setVisible(false);
198 panel.removeAll();
199 if (map != null) {
200 map.fillPanel(panel);
201 } else {
202 old.destroy();
203 panel.add(gettingStarted, BorderLayout.CENTER);
204 }
205 panel.setVisible(true);
206 redoUndoListener.commandChanged(0,0);
207
208 Main.map = map;
209
210 PluginHandler.notifyMapFrameChanged(old, map);
211 if (map == null && currentProgressMonitor != null) {
212 currentProgressMonitor.showForegroundDialog();
213 }
214 }
215
216 /**
217 * Remove the specified layer from the map. If it is the last layer,
218 * remove the map as well.
219 */
220 public final void removeLayer(final Layer layer) {
221 if (map != null) {
222 map.mapView.removeLayer(layer);
223 if (map != null && map.mapView.getAllLayers().isEmpty()) {
224 setMapFrame(null);
225 }
226 }
227 }
228
229 private static InitStatusListener initListener = null;
230
231 public static interface InitStatusListener {
232
233 void updateStatus(String event);
234 }
235
236 public static void setInitStatusListener(InitStatusListener listener) {
237 initListener = listener;
238 }
239
240 public Main() {
241 main = this;
242 isOpenjdk = System.getProperty("java.vm.name").toUpperCase().indexOf("OPENJDK") != -1;
243
244 if (initListener != null) {
245 initListener.updateStatus(tr("Executing platform startup hook"));
246 }
247 platform.startupHook();
248
249 if (initListener != null) {
250 initListener.updateStatus(tr("Building main menu"));
251 }
252 contentPanePrivate.add(panel, BorderLayout.CENTER);
253 panel.add(gettingStarted, BorderLayout.CENTER);
254 menu = new MainMenu();
255
256 undoRedo.addCommandQueueListener(redoUndoListener);
257
258 // creating toolbar
259 contentPanePrivate.add(toolbar.control, BorderLayout.NORTH);
260
261 registerActionShortcut(menu.help, Shortcut.registerShortcut("system:help", tr("Help"),
262 KeyEvent.VK_F1, Shortcut.DIRECT));
263
264 // contains several initialization tasks to be executed (in parallel) by a ExecutorService
265 List<Callable<Void>> tasks = new ArrayList<Callable<Void>>();
266
267 tasks.add(new Callable<Void>() {
268
269 @Override
270 public Void call() throws Exception {
271 // We try to establish an API connection early, so that any API
272 // capabilities are already known to the editor instance. However
273 // if it goes wrong that's not critical at this stage.
274 if (initListener != null) {
275 initListener.updateStatus(tr("Initializing OSM API"));
276 }
277 try {
278 OsmApi.getOsmApi().initialize(null, true);
279 } catch (Exception x) {
280 // ignore any exception here.
281 }
282 return null;
283 }
284 });
285
286 tasks.add(new Callable<Void>() {
287
288 @Override
289 public Void call() throws Exception {
290 if (initListener != null) {
291 initListener.updateStatus(tr("Initializing presets"));
292 }
293 TaggingPresetPreference.initialize();
294 return null;
295 }
296 });
297
298 tasks.add(new Callable<Void>() {
299
300 @Override
301 public Void call() throws Exception {
302 if (initListener != null) {
303 initListener.updateStatus(tr("Initializing map styles"));
304 }
305 MapPaintPreference.initialize();
306 return null;
307 }
308 });
309
310 tasks.add(new Callable<Void>() {
311
312 @Override
313 public Void call() throws Exception {
314 if (initListener != null) {
315 initListener.updateStatus(tr("Loading imagery preferences"));
316 }
317 ImageryPreference.initialize();
318 return null;
319 }
320 });
321
322 tasks.add(new Callable<Void>() {
323
324 @Override
325 public Void call() throws Exception {
326 if (initListener != null) {
327 initListener.updateStatus(tr("Initializing validator"));
328 }
329 validator = new OsmValidator();
330 MapView.addLayerChangeListener(validator);
331 return null;
332 }
333 });
334
335 try {
336 Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors()).invokeAll(tasks);
337 } catch (InterruptedException ex) {
338 throw new RuntimeException(ex);
339 }
340
341 // hooks for the jmapviewer component
342 FeatureAdapter.registerBrowserAdapter(new FeatureAdapter.BrowserAdapter() {
343 @Override
344 public void openLink(String url) {
345 OpenBrowser.displayUrl(url);
346 }
347 });
348 FeatureAdapter.registerTranslationAdapter(I18n.getTranslationAdapter());
349
350 if (initListener != null) {
351 initListener.updateStatus(tr("Updating user interface"));
352 }
353
354 toolbar.refreshToolbarControl();
355
356 toolbar.control.updateUI();
357 contentPanePrivate.updateUI();
358
359 }
360
361 /**
362 * Add a new layer to the map. If no map exists, create one.
363 */
364 public final void addLayer(final Layer layer) {
365 if (map == null) {
366 final MapFrame mapFrame = new MapFrame(contentPanePrivate);
367 setMapFrame(mapFrame);
368 mapFrame.selectMapMode((MapMode)mapFrame.getDefaultButtonAction(), layer);
369 mapFrame.setVisible(true);
370 mapFrame.initializeDialogsPane();
371 // bootstrapping problem: make sure the layer list dialog is going to
372 // listen to change events of the very first layer
373 //
374 layer.addPropertyChangeListener(LayerListDialog.getInstance().getModel());
375 }
376 map.mapView.addLayer(layer);
377 }
378
379 /**
380 * Replies true if there is an edit layer
381 *
382 * @return true if there is an edit layer
383 */
384 public boolean hasEditLayer() {
385 if (getEditLayer() == null) return false;
386 return true;
387 }
388
389 /**
390 * Replies the current edit layer
391 *
392 * @return the current edit layer. null, if no current edit layer exists
393 */
394 public OsmDataLayer getEditLayer() {
395 if (map == null) return null;
396 if (map.mapView == null) return null;
397 return map.mapView.getEditLayer();
398 }
399
400 /**
401 * Replies the current data set.
402 *
403 * @return the current data set. null, if no current data set exists
404 */
405 public DataSet getCurrentDataSet() {
406 if (!hasEditLayer()) return null;
407 return getEditLayer().data;
408 }
409
410 /**
411 * Returns the currently active layer
412 *
413 * @return the currently active layer. null, if currently no active layer exists
414 */
415 public Layer getActiveLayer() {
416 if (map == null) return null;
417 if (map.mapView == null) return null;
418 return map.mapView.getActiveLayer();
419 }
420
421 protected static final JPanel contentPanePrivate = new JPanel(new BorderLayout());
422
423 public static void redirectToMainContentPane(JComponent source) {
424 RedirectInputMap.redirect(source, contentPanePrivate);
425 }
426
427 public static void registerActionShortcut(Action action, Shortcut shortcut) {
428 KeyStroke keyStroke = shortcut.getKeyStroke();
429 if (keyStroke == null)
430 return;
431
432 InputMap inputMap = contentPanePrivate.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW);
433 Object existing = inputMap.get(keyStroke);
434 if (existing != null && !existing.equals(action)) {
435 System.out.println(String.format("Keystroke %s is already assigned to %s, will be overridden by %s", keyStroke, existing, action));
436 }
437 inputMap.put(keyStroke, action);
438
439 contentPanePrivate.getActionMap().put(action, action);
440 }
441
442 public static void unregisterActionShortcut(Shortcut shortcut) {
443 contentPanePrivate.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).remove(shortcut.getKeyStroke());
444 }
445
446 public static void unregisterActionShortcut(JosmAction action) {
447 unregisterActionShortcut(action, action.getShortcut());
448 }
449
450 public static void unregisterActionShortcut(Action action, Shortcut shortcut) {
451 contentPanePrivate.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).remove(shortcut.getKeyStroke());
452 contentPanePrivate.getActionMap().remove(action);
453 }
454
455 ///////////////////////////////////////////////////////////////////////////
456 // Implementation part
457 ///////////////////////////////////////////////////////////////////////////
458
459 public static final JPanel panel = new JPanel(new BorderLayout());
460
461 protected static WindowGeometry geometry;
462 protected static int windowState = JFrame.NORMAL;
463
464 private final CommandQueueListener redoUndoListener = new CommandQueueListener(){
465 public void commandChanged(final int queueSize, final int redoSize) {
466 menu.undo.setEnabled(queueSize > 0);
467 menu.redo.setEnabled(redoSize > 0);
468 }
469 };
470
471 /**
472 * Should be called before the main constructor to setup some parameter stuff
473 * @param args The parsed argument list.
474 */
475 public static void preConstructorInit(Map<String, Collection<String>> args) {
476 ProjectionPreference.setProjection();
477
478 try {
479 String defaultlaf = platform.getDefaultStyle();
480 String laf = Main.pref.get("laf", defaultlaf);
481 try {
482 UIManager.setLookAndFeel(laf);
483 }
484 catch (final java.lang.ClassNotFoundException e) {
485 System.out.println("Look and Feel not found: " + laf);
486 Main.pref.put("laf", defaultlaf);
487 }
488 catch (final javax.swing.UnsupportedLookAndFeelException e) {
489 System.out.println("Look and Feel not supported: " + laf);
490 Main.pref.put("laf", defaultlaf);
491 }
492 toolbar = new ToolbarPreferences();
493 contentPanePrivate.updateUI();
494 panel.updateUI();
495 } catch (final Exception e) {
496 e.printStackTrace();
497 }
498 UIManager.put("OptionPane.okIcon", ImageProvider.get("ok"));
499 UIManager.put("OptionPane.yesIcon", UIManager.get("OptionPane.okIcon"));
500 UIManager.put("OptionPane.cancelIcon", ImageProvider.get("cancel"));
501 UIManager.put("OptionPane.noIcon", UIManager.get("OptionPane.cancelIcon"));
502
503 I18n.translateJavaInternalMessages();
504
505 // init default coordinate format
506 //
507 try {
508 //CoordinateFormat format = CoordinateFormat.valueOf(Main.pref.get("coordinates"));
509 CoordinateFormat.setCoordinateFormat(CoordinateFormat.valueOf(Main.pref.get("coordinates")));
510 } catch (IllegalArgumentException iae) {
511 CoordinateFormat.setCoordinateFormat(CoordinateFormat.DECIMAL_DEGREES);
512 }
513
514 geometry = WindowGeometry.mainWindow("gui.geometry",
515 (args.containsKey("geometry") ? args.get("geometry").iterator().next() : null),
516 !args.containsKey("no-maximize") && Main.pref.getBoolean("gui.maximized", false));
517 }
518
519 public void postConstructorProcessCmdLine(Map<String, Collection<String>> args) {
520 if (args.containsKey("download")) {
521 List<File> fileList = new ArrayList<File>();
522 for (String s : args.get("download")) {
523 File f = null;
524 switch(paramType(s)) {
525 case httpUrl:
526 downloadFromParamHttp(false, s);
527 break;
528 case bounds:
529 downloadFromParamBounds(false, s);
530 break;
531 case fileUrl:
532 try {
533 f = new File(new URI(s));
534 } catch (URISyntaxException e) {
535 JOptionPane.showMessageDialog(
536 Main.parent,
537 tr("Ignoring malformed file URL: \"{0}\"", s),
538 tr("Warning"),
539 JOptionPane.WARNING_MESSAGE
540 );
541 }
542 if (f!=null) {
543 fileList.add(f);
544 }
545 break;
546 case fileName:
547 f = new File(s);
548 fileList.add(f);
549 break;
550 }
551 }
552 if(!fileList.isEmpty())
553 {
554 OpenFileAction.openFiles(fileList, true);
555 }
556 }
557 if (args.containsKey("downloadgps")) {
558 for (String s : args.get("downloadgps")) {
559 switch(paramType(s)) {
560 case httpUrl:
561 downloadFromParamHttp(true, s);
562 break;
563 case bounds:
564 downloadFromParamBounds(true, s);
565 break;
566 case fileUrl:
567 case fileName:
568 JOptionPane.showMessageDialog(
569 Main.parent,
570 tr("Parameter \"downloadgps\" does not accept file names or file URLs"),
571 tr("Warning"),
572 JOptionPane.WARNING_MESSAGE
573 );
574 }
575 }
576 }
577 if (args.containsKey("selection")) {
578 for (String s : args.get("selection")) {
579 SearchAction.search(s, SearchAction.SearchMode.add);
580 }
581 }
582 }
583
584 public static boolean saveUnsavedModifications() {
585 if (map == null) return true;
586 SaveLayersDialog dialog = new SaveLayersDialog(Main.parent);
587 List<OsmDataLayer> layersWithUnmodifiedChanges = new ArrayList<OsmDataLayer>();
588 for (OsmDataLayer l: Main.map.mapView.getLayersOfType(OsmDataLayer.class)) {
589 if ((l.requiresSaveToFile() || l.requiresUploadToServer()) && l.data.isModified()) {
590 layersWithUnmodifiedChanges.add(l);
591 }
592 }
593 dialog.prepareForSavingAndUpdatingLayersBeforeExit();
594 if (!layersWithUnmodifiedChanges.isEmpty()) {
595 dialog.getModel().populate(layersWithUnmodifiedChanges);
596 dialog.setVisible(true);
597 switch(dialog.getUserAction()) {
598 case CANCEL: return false;
599 case PROCEED: return true;
600 default: return false;
601 }
602 }
603
604 return true;
605 }
606
607 public static boolean exitJosm(boolean exit) {
608 if (Main.saveUnsavedModifications()) {
609 geometry.remember("gui.geometry");
610 if (map != null) {
611 map.rememberToggleDialogWidth();
612 }
613 pref.put("gui.maximized", (windowState & JFrame.MAXIMIZED_BOTH) != 0);
614 // Remove all layers because somebody may rely on layerRemoved events (like AutosaveTask)
615 if (Main.isDisplayingMapView()) {
616 Collection<Layer> layers = new ArrayList<Layer>(Main.map.mapView.getAllLayers());
617 for (Layer l: layers) {
618 Main.map.mapView.removeLayer(l);
619 }
620 }
621 if (exit) {
622 System.exit(0);
623 return true;
624 } else
625 return true;
626 } else
627 return false;
628 }
629
630 /**
631 * The type of a command line parameter, to be used in switch statements.
632 * @see paramType
633 */
634 private enum DownloadParamType { httpUrl, fileUrl, bounds, fileName }
635
636 /**
637 * Guess the type of a parameter string specified on the command line with --download= or --downloadgps.
638 * @param s A parameter string
639 * @return The guessed parameter type
640 */
641 private DownloadParamType paramType(String s) {
642 if(s.startsWith("http:")) return DownloadParamType.httpUrl;
643 if(s.startsWith("file:")) return DownloadParamType.fileUrl;
644 String coorPattern = "\\s*[0-9]+(\\.[0-9]+)?\\s*";
645 if(s.matches(coorPattern+"(,"+coorPattern+"){3}")) return DownloadParamType.bounds;
646 // everything else must be a file name
647 return DownloadParamType.fileName;
648 }
649
650 /**
651 * Download area specified on the command line as OSM URL.
652 * @param rawGps Flag to download raw GPS tracks
653 * @param s The URL parameter
654 */
655 private static void downloadFromParamHttp(final boolean rawGps, String s) {
656 final Bounds b = OsmUrlToBounds.parse(s);
657 if (b == null) {
658 JOptionPane.showMessageDialog(
659 Main.parent,
660 tr("Ignoring malformed URL: \"{0}\"", s),
661 tr("Warning"),
662 JOptionPane.WARNING_MESSAGE
663 );
664 } else {
665 downloadFromParamBounds(rawGps, b);
666 }
667 }
668
669 /**
670 * Download area specified on the command line as bounds string.
671 * @param rawGps Flag to download raw GPS tracks
672 * @param s The bounds parameter
673 */
674 private static void downloadFromParamBounds(final boolean rawGps, String s) {
675 final StringTokenizer st = new StringTokenizer(s, ",");
676 if (st.countTokens() == 4) {
677 Bounds b = new Bounds(
678 new LatLon(Double.parseDouble(st.nextToken()),Double.parseDouble(st.nextToken())),
679 new LatLon(Double.parseDouble(st.nextToken()),Double.parseDouble(st.nextToken()))
680 );
681 downloadFromParamBounds(rawGps, b);
682 }
683 }
684
685 /**
686 * Download area specified as Bounds value.
687 * @param rawGps Flag to download raw GPS tracks
688 * @param b The bounds value
689 * @see downloadFromParamBounds(final boolean rawGps, String s)
690 * @see downloadFromParamHttp
691 */
692 private static void downloadFromParamBounds(final boolean rawGps, Bounds b) {
693 DownloadTask task = rawGps ? new DownloadGpsTask() : new DownloadOsmTask();
694 // asynchronously launch the download task ...
695 Future<?> future = task.download(true, b, null);
696 // ... and the continuation when the download is finished (this will wait for the download to finish)
697 Main.worker.execute(new PostDownloadHandler(task, future));
698 }
699
700 public static void determinePlatformHook() {
701 String os = System.getProperty("os.name");
702 if (os == null) {
703 System.err.println("Your operating system has no name, so I'm guessing its some kind of *nix.");
704 platform = new PlatformHookUnixoid();
705 } else if (os.toLowerCase().startsWith("windows")) {
706 platform = new PlatformHookWindows();
707 } else if (os.equals("Linux") || os.equals("Solaris") ||
708 os.equals("SunOS") || os.equals("AIX") ||
709 os.equals("FreeBSD") || os.equals("NetBSD") || os.equals("OpenBSD")) {
710 platform = new PlatformHookUnixoid();
711 } else if (os.toLowerCase().startsWith("mac os x")) {
712 platform = new PlatformHookOsx();
713 } else {
714 System.err.println("I don't know your operating system '"+os+"', so I'm guessing its some kind of *nix.");
715 platform = new PlatformHookUnixoid();
716 }
717 }
718
719 private static class WindowPositionSizeListener extends WindowAdapter implements
720 ComponentListener {
721 @Override
722 public void windowStateChanged(WindowEvent e) {
723 Main.windowState = e.getNewState();
724 }
725
726 @Override
727 public void componentHidden(ComponentEvent e) {
728 }
729
730 @Override
731 public void componentMoved(ComponentEvent e) {
732 handleComponentEvent(e);
733 }
734
735 @Override
736 public void componentResized(ComponentEvent e) {
737 handleComponentEvent(e);
738 }
739
740 @Override
741 public void componentShown(ComponentEvent e) {
742 }
743
744 private void handleComponentEvent(ComponentEvent e) {
745 Component c = e.getComponent();
746 if (c instanceof JFrame && c.isVisible() && Main.windowState == JFrame.NORMAL) {
747 Main.geometry = new WindowGeometry((JFrame) c);
748 }
749 }
750 }
751 public static void addListener() {
752 parent.addComponentListener(new WindowPositionSizeListener());
753 ((JFrame)parent).addWindowStateListener(new WindowPositionSizeListener());
754 }
755
756 public static void checkJava6() {
757 String version = System.getProperty("java.version");
758 if (version != null) {
759 if (version.startsWith("1.6") || version.startsWith("6") ||
760 version.startsWith("1.7") || version.startsWith("7"))
761 return;
762 if (version.startsWith("1.5") || version.startsWith("5")) {
763 JLabel ho = new JLabel("<html>"+
764 tr("<h2>JOSM requires Java version 6.</h2>"+
765 "Detected Java version: {0}.<br>"+
766 "You can <ul><li>update your Java (JRE) or</li>"+
767 "<li>use an earlier (Java 5 compatible) version of JOSM.</li></ul>"+
768 "More Info:", version)+"</html>");
769 JTextArea link = new JTextArea("http://josm.openstreetmap.de/wiki/Help/SystemRequirements");
770 link.setEditable(false);
771 link.setBackground(panel.getBackground());
772 JPanel panel = new JPanel(new GridBagLayout());
773 GridBagConstraints gbc = new GridBagConstraints();
774 gbc.gridwidth = GridBagConstraints.REMAINDER;
775 gbc.anchor = GridBagConstraints.WEST;
776 gbc.weightx = 1.0;
777 panel.add(ho, gbc);
778 panel.add(link, gbc);
779 final String EXIT = tr("Exit JOSM");
780 final String CONTINUE = tr("Continue, try anyway");
781 int ret = JOptionPane.showOptionDialog(null, panel, tr("Error"), JOptionPane.YES_NO_OPTION, JOptionPane.ERROR_MESSAGE, null, new String[] {EXIT, CONTINUE}, EXIT);
782 if (ret == 0) {
783 System.exit(0);
784 }
785 return;
786 }
787 }
788 System.err.println("Error: Could not recognize Java Version: "+version);
789 }
790
791 /* ----------------------------------------------------------------------------------------- */
792 /* projection handling - Main is a registry for a single, global projection instance */
793 /* */
794 /* TODO: For historical reasons the registry is implemented by Main. An alternative approach */
795 /* would be a singleton org.openstreetmap.josm.data.projection.ProjectionRegistry class. */
796 /* ----------------------------------------------------------------------------------------- */
797 /**
798 * The projection method used.
799 * use {@link #getProjection()} and {@link #setProjection(Projection)} for access.
800 * Use {@link #setProjection(Projection)} in order to trigger a projection change event.
801 */
802 private static Projection proj;
803
804 /**
805 * Replies the current projection.
806 *
807 * @return
808 */
809 public static Projection getProjection() {
810 return proj;
811 }
812
813 /**
814 * Sets the current projection
815 *
816 * @param p the projection
817 */
818 public static void setProjection(Projection p) {
819 CheckParameterUtil.ensureParameterNotNull(p);
820 Projection oldValue = proj;
821 proj = p;
822 fireProjectionChanged(oldValue, proj);
823 }
824
825 /*
826 * Keep WeakReferences to the listeners. This relieves clients from the burden of
827 * explicitly removing the listeners and allows us to transparently register every
828 * created dataset as projection change listener.
829 */
830 private static final ArrayList<WeakReference<ProjectionChangeListener>> listeners = new ArrayList<WeakReference<ProjectionChangeListener>>();
831
832 private static void fireProjectionChanged(Projection oldValue, Projection newValue) {
833 if (newValue == null ^ oldValue == null
834 || (newValue != null && oldValue != null && !Utils.equal(newValue.toCode(), oldValue.toCode()))) {
835
836 synchronized(Main.class) {
837 Iterator<WeakReference<ProjectionChangeListener>> it = listeners.iterator();
838 while(it.hasNext()){
839 WeakReference<ProjectionChangeListener> wr = it.next();
840 ProjectionChangeListener listener = wr.get();
841 if (listener == null) {
842 it.remove();
843 continue;
844 }
845 listener.projectionChanged(oldValue, newValue);
846 }
847 }
848 if (newValue != null) {
849 Bounds b = (Main.map != null && Main.map.mapView != null) ? Main.map.mapView.getRealBounds() : null;
850 if (b != null){
851 Main.map.mapView.zoomTo(b);
852 }
853 }
854 /* TODO - remove layers with fixed projection */
855 }
856 }
857
858 /**
859 * Register a projection change listener
860 *
861 * @param listener the listener. Ignored if null.
862 */
863 public static void addProjectionChangeListener(ProjectionChangeListener listener) {
864 if (listener == null) return;
865 synchronized (Main.class) {
866 for (WeakReference<ProjectionChangeListener> wr : listeners) {
867 // already registered ? => abort
868 if (wr.get() == listener) return;
869 }
870 listeners.add(new WeakReference<ProjectionChangeListener>(listener));
871 }
872 }
873
874 /**
875 * Removes a projection change listener
876 *
877 * @param listener the listener. Ignored if null.
878 */
879 public static void removeProjectionChangeListener(ProjectionChangeListener listener) {
880 if (listener == null) return;
881 synchronized(Main.class){
882 Iterator<WeakReference<ProjectionChangeListener>> it = listeners.iterator();
883 while(it.hasNext()){
884 WeakReference<ProjectionChangeListener> wr = it.next();
885 // remove the listener - and any other listener which god garbage
886 // collected in the meantime
887 if (wr.get() == null || wr.get() == listener) {
888 it.remove();
889 }
890 }
891 }
892 }
893}
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