source: josm/trunk/src/org/openstreetmap/josm/Main.java@ 5460

Last change on this file since 5460 was 5460, checked in by Don-vip, 12 years ago

global use of Main.isDisplayingMapView()
  • Property svn:eol-style set to native
File size: 33.2 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.MainApplication.Option;
61import org.openstreetmap.josm.gui.MainMenu;
62import org.openstreetmap.josm.gui.MapFrame;
63import org.openstreetmap.josm.gui.MapView;
64import org.openstreetmap.josm.gui.dialogs.LayerListDialog;
65import org.openstreetmap.josm.gui.io.SaveLayersDialog;
66import org.openstreetmap.josm.gui.layer.Layer;
67import org.openstreetmap.josm.gui.layer.OsmDataLayer;
68import org.openstreetmap.josm.gui.layer.OsmDataLayer.CommandQueueListener;
69import org.openstreetmap.josm.gui.preferences.ToolbarPreferences;
70import org.openstreetmap.josm.gui.preferences.imagery.ImageryPreference;
71import org.openstreetmap.josm.gui.preferences.map.MapPaintPreference;
72import org.openstreetmap.josm.gui.preferences.map.TaggingPresetPreference;
73import org.openstreetmap.josm.gui.preferences.projection.ProjectionPreference;
74import org.openstreetmap.josm.gui.progress.PleaseWaitProgressMonitor;
75import org.openstreetmap.josm.gui.progress.ProgressMonitorExecutor;
76import org.openstreetmap.josm.gui.util.RedirectInputMap;
77import org.openstreetmap.josm.io.OsmApi;
78import org.openstreetmap.josm.plugins.PluginHandler;
79import org.openstreetmap.josm.tools.CheckParameterUtil;
80import org.openstreetmap.josm.tools.I18n;
81import org.openstreetmap.josm.tools.ImageProvider;
82import org.openstreetmap.josm.tools.OpenBrowser;
83import org.openstreetmap.josm.tools.OsmUrlToBounds;
84import org.openstreetmap.josm.tools.PlatformHook;
85import org.openstreetmap.josm.tools.PlatformHookOsx;
86import org.openstreetmap.josm.tools.PlatformHookUnixoid;
87import org.openstreetmap.josm.tools.PlatformHookWindows;
88import org.openstreetmap.josm.tools.Shortcut;
89import org.openstreetmap.josm.tools.Utils;
90import org.openstreetmap.josm.tools.WindowGeometry;
91
92abstract public class Main {
93
94 /**
95 * Replies true if JOSM currently displays a map view. False, if it doesn't, i.e. if
96 * it only shows the MOTD panel.
97 *
98 * @return <code>true</code> if JOSM currently displays a map view
99 */
100 static public boolean isDisplayingMapView() {
101 if (map == null) return false;
102 if (map.mapView == null) return false;
103 return true;
104 }
105 /**
106 * Global parent component for all dialogs and message boxes
107 */
108 public static Component parent;
109 /**
110 * Global application.
111 */
112 public static Main main;
113 /**
114 * The worker thread slave. This is for executing all long and intensive
115 * calculations. The executed runnables are guaranteed to be executed separately
116 * and sequential.
117 */
118 public final static ExecutorService worker = new ProgressMonitorExecutor();
119 /**
120 * Global application preferences
121 */
122 public static Preferences pref;
123
124 /**
125 * The global paste buffer.
126 */
127 public static final PrimitiveDeepCopy pasteBuffer = new PrimitiveDeepCopy();
128 public static Layer pasteSource;
129
130 /**
131 * The MapFrame. Use setMapFrame to set or clear it.
132 */
133 public static MapFrame map;
134 /**
135 * Set to <code>true</code>, when in applet mode
136 */
137 public static boolean applet = false;
138
139 /**
140 * The toolbar preference control to register new actions.
141 */
142 public static ToolbarPreferences toolbar;
143
144 public UndoRedoHandler undoRedo = new UndoRedoHandler();
145
146 public static PleaseWaitProgressMonitor currentProgressMonitor;
147
148 /**
149 * The main menu bar at top of screen.
150 */
151 public MainMenu menu;
152
153 public OsmValidator validator;
154 /**
155 * The MOTD Layer.
156 */
157 private GettingStarted gettingStarted = new GettingStarted();
158
159 /**
160 * Print a message if logging is on.
161 */
162 static public int log_level = 2;
163 static public void warn(String msg) {
164 if (log_level < 1)
165 return;
166 System.out.println(msg);
167 }
168 static public void info(String msg) {
169 if (log_level < 2)
170 return;
171 System.out.println(msg);
172 }
173 static public void debug(String msg) {
174 if (log_level < 3)
175 return;
176 System.out.println(msg);
177 }
178
179 /**
180 * Platform specific code goes in here.
181 * Plugins may replace it, however, some hooks will be called before any plugins have been loeaded.
182 * So if you need to hook into those early ones, split your class and send the one with the early hooks
183 * to the JOSM team for inclusion.
184 */
185 public static PlatformHook platform;
186
187 /**
188 * Whether or not the java vm is openjdk
189 * We use this to work around openjdk bugs
190 */
191 public static boolean isOpenjdk;
192
193 /**
194 * Set or clear (if passed <code>null</code>) the map.
195 */
196 public final void setMapFrame(final MapFrame map) {
197 MapFrame old = Main.map;
198 panel.setVisible(false);
199 panel.removeAll();
200 if (map != null) {
201 map.fillPanel(panel);
202 } else {
203 old.destroy();
204 panel.add(gettingStarted, BorderLayout.CENTER);
205 }
206 panel.setVisible(true);
207 redoUndoListener.commandChanged(0,0);
208
209 Main.map = map;
210
211 PluginHandler.notifyMapFrameChanged(old, map);
212 if (map == null && currentProgressMonitor != null) {
213 currentProgressMonitor.showForegroundDialog();
214 }
215 }
216
217 /**
218 * Remove the specified layer from the map. If it is the last layer,
219 * remove the map as well.
220 */
221 public final void removeLayer(final Layer layer) {
222 if (map != null) {
223 map.mapView.removeLayer(layer);
224 if (map != null && map.mapView.getAllLayers().isEmpty()) {
225 setMapFrame(null);
226 }
227 }
228 }
229
230 private static InitStatusListener initListener = null;
231
232 public static interface InitStatusListener {
233
234 void updateStatus(String event);
235 }
236
237 public static void setInitStatusListener(InitStatusListener listener) {
238 initListener = listener;
239 }
240
241 public Main() {
242 main = this;
243 isOpenjdk = System.getProperty("java.vm.name").toUpperCase().indexOf("OPENJDK") != -1;
244
245 if (initListener != null) {
246 initListener.updateStatus(tr("Executing platform startup hook"));
247 }
248 platform.startupHook();
249
250 if (initListener != null) {
251 initListener.updateStatus(tr("Building main menu"));
252 }
253 contentPanePrivate.add(panel, BorderLayout.CENTER);
254 panel.add(gettingStarted, BorderLayout.CENTER);
255 menu = new MainMenu();
256
257 undoRedo.addCommandQueueListener(redoUndoListener);
258
259 // creating toolbar
260 contentPanePrivate.add(toolbar.control, BorderLayout.NORTH);
261
262 registerActionShortcut(menu.help, Shortcut.registerShortcut("system:help", tr("Help"),
263 KeyEvent.VK_F1, Shortcut.DIRECT));
264
265 // contains several initialization tasks to be executed (in parallel) by a ExecutorService
266 List<Callable<Void>> tasks = new ArrayList<Callable<Void>>();
267
268 tasks.add(new Callable<Void>() {
269
270 @Override
271 public Void call() throws Exception {
272 // We try to establish an API connection early, so that any API
273 // capabilities are already known to the editor instance. However
274 // if it goes wrong that's not critical at this stage.
275 if (initListener != null) {
276 initListener.updateStatus(tr("Initializing OSM API"));
277 }
278 try {
279 OsmApi.getOsmApi().initialize(null, true);
280 } catch (Exception x) {
281 // ignore any exception here.
282 }
283 return null;
284 }
285 });
286
287 tasks.add(new Callable<Void>() {
288
289 @Override
290 public Void call() throws Exception {
291 if (initListener != null) {
292 initListener.updateStatus(tr("Initializing presets"));
293 }
294 TaggingPresetPreference.initialize();
295 // some validator tests require the presets to be initialized
296 // TODO remove this dependency for parallel initialization
297 if (initListener != null) {
298 initListener.updateStatus(tr("Initializing validator"));
299 }
300 validator = new OsmValidator();
301 MapView.addLayerChangeListener(validator);
302 return null;
303 }
304 });
305
306 tasks.add(new Callable<Void>() {
307
308 @Override
309 public Void call() throws Exception {
310 if (initListener != null) {
311 initListener.updateStatus(tr("Initializing map styles"));
312 }
313 MapPaintPreference.initialize();
314 return null;
315 }
316 });
317
318 tasks.add(new Callable<Void>() {
319
320 @Override
321 public Void call() throws Exception {
322 if (initListener != null) {
323 initListener.updateStatus(tr("Loading imagery preferences"));
324 }
325 ImageryPreference.initialize();
326 return null;
327 }
328 });
329
330 try {
331 for (Future<Void> i : Executors.newFixedThreadPool(
332 Runtime.getRuntime().availableProcessors()).invokeAll(tasks)) {
333 i.get();
334 }
335 } catch (Exception ex) {
336 throw new RuntimeException(ex);
337 }
338
339 // hooks for the jmapviewer component
340 FeatureAdapter.registerBrowserAdapter(new FeatureAdapter.BrowserAdapter() {
341 @Override
342 public void openLink(String url) {
343 OpenBrowser.displayUrl(url);
344 }
345 });
346 FeatureAdapter.registerTranslationAdapter(I18n.getTranslationAdapter());
347
348 if (initListener != null) {
349 initListener.updateStatus(tr("Updating user interface"));
350 }
351
352 toolbar.refreshToolbarControl();
353
354 toolbar.control.updateUI();
355 contentPanePrivate.updateUI();
356
357 }
358
359 /**
360 * Add a new layer to the map. If no map exists, create one.
361 */
362 public final synchronized void addLayer(final Layer layer) {
363 if (map == null) {
364 final MapFrame mapFrame = new MapFrame(contentPanePrivate);
365 setMapFrame(mapFrame);
366 mapFrame.selectMapMode((MapMode)mapFrame.getDefaultButtonAction(), layer);
367 mapFrame.setVisible(true);
368 mapFrame.initializeDialogsPane();
369 // bootstrapping problem: make sure the layer list dialog is going to
370 // listen to change events of the very first layer
371 //
372 layer.addPropertyChangeListener(LayerListDialog.getInstance().getModel());
373 }
374 layer.hookUpMapView();
375 map.mapView.addLayer(layer);
376 }
377
378 /**
379 * Replies <code>true</code> if there is an edit layer
380 *
381 * @return <code>true</code> if there is an edit layer
382 */
383 public boolean hasEditLayer() {
384 if (getEditLayer() == null) return false;
385 return true;
386 }
387
388 /**
389 * Replies the current edit layer
390 *
391 * @return the current edit layer. <code>null</code>, if no current edit layer exists
392 */
393 public OsmDataLayer getEditLayer() {
394 if (map == null) return null;
395 if (map.mapView == null) return null;
396 return map.mapView.getEditLayer();
397 }
398
399 /**
400 * Replies the current data set.
401 *
402 * @return the current data set. <code>null</code>, if no current data set exists
403 */
404 public DataSet getCurrentDataSet() {
405 if (!hasEditLayer()) return null;
406 return getEditLayer().data;
407 }
408
409 /**
410 * Returns the currently active layer
411 *
412 * @return the currently active layer. <code>null</code>, if currently no active layer exists
413 */
414 public Layer getActiveLayer() {
415 if (map == null) return null;
416 if (map.mapView == null) return null;
417 return map.mapView.getActiveLayer();
418 }
419
420 protected static final JPanel contentPanePrivate = new JPanel(new BorderLayout());
421
422 public static void redirectToMainContentPane(JComponent source) {
423 RedirectInputMap.redirect(source, contentPanePrivate);
424 }
425
426 public static void registerActionShortcut(JosmAction action) {
427 registerActionShortcut(action, action.getShortcut());
428 }
429
430 public static void registerActionShortcut(Action action, Shortcut shortcut) {
431 KeyStroke keyStroke = shortcut.getKeyStroke();
432 if (keyStroke == null)
433 return;
434
435 InputMap inputMap = contentPanePrivate.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW);
436 Object existing = inputMap.get(keyStroke);
437 if (existing != null && !existing.equals(action)) {
438 System.out.println(String.format("Keystroke %s is already assigned to %s, will be overridden by %s", keyStroke, existing, action));
439 }
440 inputMap.put(keyStroke, action);
441
442 contentPanePrivate.getActionMap().put(action, action);
443 }
444
445 public static void unregisterShortcut(Shortcut shortcut) {
446 contentPanePrivate.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).remove(shortcut.getKeyStroke());
447 }
448
449 public static void unregisterActionShortcut(JosmAction action) {
450 unregisterActionShortcut(action, action.getShortcut());
451 }
452
453 public static void unregisterActionShortcut(Action action, Shortcut shortcut) {
454 unregisterShortcut(shortcut);
455 contentPanePrivate.getActionMap().remove(action);
456 }
457
458 ///////////////////////////////////////////////////////////////////////////
459 // Implementation part
460 ///////////////////////////////////////////////////////////////////////////
461
462 public static final JPanel panel = new JPanel(new BorderLayout());
463
464 protected static WindowGeometry geometry;
465 protected static int windowState = JFrame.NORMAL;
466
467 private final CommandQueueListener redoUndoListener = new CommandQueueListener(){
468 public void commandChanged(final int queueSize, final int redoSize) {
469 menu.undo.setEnabled(queueSize > 0);
470 menu.redo.setEnabled(redoSize > 0);
471 }
472 };
473
474 /**
475 * Should be called before the main constructor to setup some parameter stuff
476 * @param args The parsed argument list.
477 */
478 public static void preConstructorInit(Map<Option, Collection<String>> args) {
479 ProjectionPreference.setProjection();
480
481 try {
482 String defaultlaf = platform.getDefaultStyle();
483 String laf = Main.pref.get("laf", defaultlaf);
484 try {
485 UIManager.setLookAndFeel(laf);
486 }
487 catch (final java.lang.ClassNotFoundException e) {
488 System.out.println("Look and Feel not found: " + laf);
489 Main.pref.put("laf", defaultlaf);
490 }
491 catch (final javax.swing.UnsupportedLookAndFeelException e) {
492 System.out.println("Look and Feel not supported: " + laf);
493 Main.pref.put("laf", defaultlaf);
494 }
495 toolbar = new ToolbarPreferences();
496 contentPanePrivate.updateUI();
497 panel.updateUI();
498 } catch (final Exception e) {
499 e.printStackTrace();
500 }
501 UIManager.put("OptionPane.okIcon", ImageProvider.get("ok"));
502 UIManager.put("OptionPane.yesIcon", UIManager.get("OptionPane.okIcon"));
503 UIManager.put("OptionPane.cancelIcon", ImageProvider.get("cancel"));
504 UIManager.put("OptionPane.noIcon", UIManager.get("OptionPane.cancelIcon"));
505
506 I18n.translateJavaInternalMessages();
507
508 // init default coordinate format
509 //
510 try {
511 //CoordinateFormat format = CoordinateFormat.valueOf(Main.pref.get("coordinates"));
512 CoordinateFormat.setCoordinateFormat(CoordinateFormat.valueOf(Main.pref.get("coordinates")));
513 } catch (IllegalArgumentException iae) {
514 CoordinateFormat.setCoordinateFormat(CoordinateFormat.DECIMAL_DEGREES);
515 }
516
517 geometry = WindowGeometry.mainWindow("gui.geometry",
518 (args.containsKey(Option.GEOMETRY) ? args.get(Option.GEOMETRY).iterator().next() : null),
519 !args.containsKey(Option.NO_MAXIMIZE) && Main.pref.getBoolean("gui.maximized", false));
520 }
521
522 public void postConstructorProcessCmdLine(Map<Option, Collection<String>> args) {
523 if (args.containsKey(Option.DOWNLOAD)) {
524 List<File> fileList = new ArrayList<File>();
525 for (String s : args.get(Option.DOWNLOAD)) {
526 File f = null;
527 switch(paramType(s)) {
528 case httpUrl:
529 downloadFromParamHttp(false, s);
530 break;
531 case bounds:
532 downloadFromParamBounds(false, s);
533 break;
534 case fileUrl:
535 try {
536 f = new File(new URI(s));
537 } catch (URISyntaxException e) {
538 JOptionPane.showMessageDialog(
539 Main.parent,
540 tr("Ignoring malformed file URL: \"{0}\"", s),
541 tr("Warning"),
542 JOptionPane.WARNING_MESSAGE
543 );
544 }
545 if (f!=null) {
546 fileList.add(f);
547 }
548 break;
549 case fileName:
550 f = new File(s);
551 fileList.add(f);
552 break;
553 }
554 }
555 if(!fileList.isEmpty())
556 {
557 OpenFileAction.openFiles(fileList, true);
558 }
559 }
560 if (args.containsKey(Option.DOWNLOADGPS)) {
561 for (String s : args.get(Option.DOWNLOADGPS)) {
562 switch(paramType(s)) {
563 case httpUrl:
564 downloadFromParamHttp(true, s);
565 break;
566 case bounds:
567 downloadFromParamBounds(true, s);
568 break;
569 case fileUrl:
570 case fileName:
571 JOptionPane.showMessageDialog(
572 Main.parent,
573 tr("Parameter \"downloadgps\" does not accept file names or file URLs"),
574 tr("Warning"),
575 JOptionPane.WARNING_MESSAGE
576 );
577 }
578 }
579 }
580 if (args.containsKey(Option.SELECTION)) {
581 for (String s : args.get(Option.SELECTION)) {
582 SearchAction.search(s, SearchAction.SearchMode.add);
583 }
584 }
585 }
586
587 public static boolean saveUnsavedModifications() {
588 if (map == null) return true;
589 SaveLayersDialog dialog = new SaveLayersDialog(Main.parent);
590 List<OsmDataLayer> layersWithUnmodifiedChanges = new ArrayList<OsmDataLayer>();
591 for (OsmDataLayer l: Main.map.mapView.getLayersOfType(OsmDataLayer.class)) {
592 if ((l.requiresSaveToFile() || l.requiresUploadToServer()) && l.data.isModified()) {
593 layersWithUnmodifiedChanges.add(l);
594 }
595 }
596 dialog.prepareForSavingAndUpdatingLayersBeforeExit();
597 if (!layersWithUnmodifiedChanges.isEmpty()) {
598 dialog.getModel().populate(layersWithUnmodifiedChanges);
599 dialog.setVisible(true);
600 switch(dialog.getUserAction()) {
601 case CANCEL: return false;
602 case PROCEED: return true;
603 default: return false;
604 }
605 }
606
607 return true;
608 }
609
610 public static boolean exitJosm(boolean exit) {
611 if (Main.saveUnsavedModifications()) {
612 geometry.remember("gui.geometry");
613 if (map != null) {
614 map.rememberToggleDialogWidth();
615 }
616 pref.put("gui.maximized", (windowState & JFrame.MAXIMIZED_BOTH) != 0);
617 // Remove all layers because somebody may rely on layerRemoved events (like AutosaveTask)
618 if (Main.isDisplayingMapView()) {
619 Collection<Layer> layers = new ArrayList<Layer>(Main.map.mapView.getAllLayers());
620 for (Layer l: layers) {
621 Main.map.mapView.removeLayer(l);
622 }
623 }
624 if (exit) {
625 System.exit(0);
626 return true;
627 } else
628 return true;
629 } else
630 return false;
631 }
632
633 /**
634 * The type of a command line parameter, to be used in switch statements.
635 * @see #paramType
636 */
637 private enum DownloadParamType { httpUrl, fileUrl, bounds, fileName }
638
639 /**
640 * Guess the type of a parameter string specified on the command line with --download= or --downloadgps.
641 * @param s A parameter string
642 * @return The guessed parameter type
643 */
644 private DownloadParamType paramType(String s) {
645 if(s.startsWith("http:")) return DownloadParamType.httpUrl;
646 if(s.startsWith("file:")) return DownloadParamType.fileUrl;
647 String coorPattern = "\\s*[+-]?[0-9]+(\\.[0-9]+)?\\s*";
648 if(s.matches(coorPattern+"(,"+coorPattern+"){3}")) return DownloadParamType.bounds;
649 // everything else must be a file name
650 return DownloadParamType.fileName;
651 }
652
653 /**
654 * Download area specified on the command line as OSM URL.
655 * @param rawGps Flag to download raw GPS tracks
656 * @param s The URL parameter
657 */
658 private static void downloadFromParamHttp(final boolean rawGps, String s) {
659 final Bounds b = OsmUrlToBounds.parse(s);
660 if (b == null) {
661 JOptionPane.showMessageDialog(
662 Main.parent,
663 tr("Ignoring malformed URL: \"{0}\"", s),
664 tr("Warning"),
665 JOptionPane.WARNING_MESSAGE
666 );
667 } else {
668 downloadFromParamBounds(rawGps, b);
669 }
670 }
671
672 /**
673 * Download area specified on the command line as bounds string.
674 * @param rawGps Flag to download raw GPS tracks
675 * @param s The bounds parameter
676 */
677 private static void downloadFromParamBounds(final boolean rawGps, String s) {
678 final StringTokenizer st = new StringTokenizer(s, ",");
679 if (st.countTokens() == 4) {
680 Bounds b = new Bounds(
681 new LatLon(Double.parseDouble(st.nextToken()),Double.parseDouble(st.nextToken())),
682 new LatLon(Double.parseDouble(st.nextToken()),Double.parseDouble(st.nextToken()))
683 );
684 downloadFromParamBounds(rawGps, b);
685 }
686 }
687
688 /**
689 * Download area specified as Bounds value.
690 * @param rawGps Flag to download raw GPS tracks
691 * @param b The bounds value
692 * @see #downloadFromParamBounds(boolean, String)
693 * @see #downloadFromParamHttp
694 */
695 private static void downloadFromParamBounds(final boolean rawGps, Bounds b) {
696 DownloadTask task = rawGps ? new DownloadGpsTask() : new DownloadOsmTask();
697 // asynchronously launch the download task ...
698 Future<?> future = task.download(true, b, null);
699 // ... and the continuation when the download is finished (this will wait for the download to finish)
700 Main.worker.execute(new PostDownloadHandler(task, future));
701 }
702
703 public static void determinePlatformHook() {
704 String os = System.getProperty("os.name");
705 if (os == null) {
706 System.err.println("Your operating system has no name, so I'm guessing its some kind of *nix.");
707 platform = new PlatformHookUnixoid();
708 } else if (os.toLowerCase().startsWith("windows")) {
709 platform = new PlatformHookWindows();
710 } else if (os.equals("Linux") || os.equals("Solaris") ||
711 os.equals("SunOS") || os.equals("AIX") ||
712 os.equals("FreeBSD") || os.equals("NetBSD") || os.equals("OpenBSD")) {
713 platform = new PlatformHookUnixoid();
714 } else if (os.toLowerCase().startsWith("mac os x")) {
715 platform = new PlatformHookOsx();
716 } else {
717 System.err.println("I don't know your operating system '"+os+"', so I'm guessing its some kind of *nix.");
718 platform = new PlatformHookUnixoid();
719 }
720 }
721
722 private static class WindowPositionSizeListener extends WindowAdapter implements
723 ComponentListener {
724 @Override
725 public void windowStateChanged(WindowEvent e) {
726 Main.windowState = e.getNewState();
727 }
728
729 @Override
730 public void componentHidden(ComponentEvent e) {
731 }
732
733 @Override
734 public void componentMoved(ComponentEvent e) {
735 handleComponentEvent(e);
736 }
737
738 @Override
739 public void componentResized(ComponentEvent e) {
740 handleComponentEvent(e);
741 }
742
743 @Override
744 public void componentShown(ComponentEvent e) {
745 }
746
747 private void handleComponentEvent(ComponentEvent e) {
748 Component c = e.getComponent();
749 if (c instanceof JFrame && c.isVisible() && Main.windowState == JFrame.NORMAL) {
750 Main.geometry = new WindowGeometry((JFrame) c);
751 }
752 }
753 }
754 public static void addListener() {
755 parent.addComponentListener(new WindowPositionSizeListener());
756 ((JFrame)parent).addWindowStateListener(new WindowPositionSizeListener());
757 }
758
759 public static void checkJava6() {
760 String version = System.getProperty("java.version");
761 if (version != null) {
762 if (version.startsWith("1.6") || version.startsWith("6") ||
763 version.startsWith("1.7") || version.startsWith("7"))
764 return;
765 if (version.startsWith("1.5") || version.startsWith("5")) {
766 JLabel ho = new JLabel("<html>"+
767 tr("<h2>JOSM requires Java version 6.</h2>"+
768 "Detected Java version: {0}.<br>"+
769 "You can <ul><li>update your Java (JRE) or</li>"+
770 "<li>use an earlier (Java 5 compatible) version of JOSM.</li></ul>"+
771 "More Info:", version)+"</html>");
772 JTextArea link = new JTextArea("http://josm.openstreetmap.de/wiki/Help/SystemRequirements");
773 link.setEditable(false);
774 link.setBackground(panel.getBackground());
775 JPanel panel = new JPanel(new GridBagLayout());
776 GridBagConstraints gbc = new GridBagConstraints();
777 gbc.gridwidth = GridBagConstraints.REMAINDER;
778 gbc.anchor = GridBagConstraints.WEST;
779 gbc.weightx = 1.0;
780 panel.add(ho, gbc);
781 panel.add(link, gbc);
782 final String EXIT = tr("Exit JOSM");
783 final String CONTINUE = tr("Continue, try anyway");
784 int ret = JOptionPane.showOptionDialog(null, panel, tr("Error"), JOptionPane.YES_NO_OPTION, JOptionPane.ERROR_MESSAGE, null, new String[] {EXIT, CONTINUE}, EXIT);
785 if (ret == 0) {
786 System.exit(0);
787 }
788 return;
789 }
790 }
791 System.err.println("Error: Could not recognize Java Version: "+version);
792 }
793
794 /* ----------------------------------------------------------------------------------------- */
795 /* projection handling - Main is a registry for a single, global projection instance */
796 /* */
797 /* TODO: For historical reasons the registry is implemented by Main. An alternative approach */
798 /* would be a singleton org.openstreetmap.josm.data.projection.ProjectionRegistry class. */
799 /* ----------------------------------------------------------------------------------------- */
800 /**
801 * The projection method used.
802 * use {@link #getProjection()} and {@link #setProjection(Projection)} for access.
803 * Use {@link #setProjection(Projection)} in order to trigger a projection change event.
804 */
805 private static Projection proj;
806
807 /**
808 * Replies the current projection.
809 *
810 * @return the currently active projection
811 */
812 public static Projection getProjection() {
813 return proj;
814 }
815
816 /**
817 * Sets the current projection
818 *
819 * @param p the projection
820 */
821 public static void setProjection(Projection p) {
822 CheckParameterUtil.ensureParameterNotNull(p);
823 Projection oldValue = proj;
824 Bounds b = isDisplayingMapView() ? map.mapView.getRealBounds() : null;
825 proj = p;
826 fireProjectionChanged(oldValue, proj, b);
827 }
828
829 /*
830 * Keep WeakReferences to the listeners. This relieves clients from the burden of
831 * explicitly removing the listeners and allows us to transparently register every
832 * created dataset as projection change listener.
833 */
834 private static final ArrayList<WeakReference<ProjectionChangeListener>> listeners = new ArrayList<WeakReference<ProjectionChangeListener>>();
835
836 private static void fireProjectionChanged(Projection oldValue, Projection newValue, Bounds oldBounds) {
837 if (newValue == null ^ oldValue == null
838 || (newValue != null && oldValue != null && !Utils.equal(newValue.toCode(), oldValue.toCode()))) {
839
840 synchronized(Main.class) {
841 Iterator<WeakReference<ProjectionChangeListener>> it = listeners.iterator();
842 while(it.hasNext()){
843 WeakReference<ProjectionChangeListener> wr = it.next();
844 ProjectionChangeListener listener = wr.get();
845 if (listener == null) {
846 it.remove();
847 continue;
848 }
849 listener.projectionChanged(oldValue, newValue);
850 }
851 }
852 if (newValue != null && oldBounds != null) {
853 Main.map.mapView.zoomTo(oldBounds);
854 }
855 /* TODO - remove layers with fixed projection */
856 }
857 }
858
859 /**
860 * Register a projection change listener
861 *
862 * @param listener the listener. Ignored if <code>null</code>.
863 */
864 public static void addProjectionChangeListener(ProjectionChangeListener listener) {
865 if (listener == null) return;
866 synchronized (Main.class) {
867 for (WeakReference<ProjectionChangeListener> wr : listeners) {
868 // already registered ? => abort
869 if (wr.get() == listener) return;
870 }
871 listeners.add(new WeakReference<ProjectionChangeListener>(listener));
872 }
873 }
874
875 /**
876 * Removes a projection change listener
877 *
878 * @param listener the listener. Ignored if <code>null</code>.
879 */
880 public static void removeProjectionChangeListener(ProjectionChangeListener listener) {
881 if (listener == null) return;
882 synchronized(Main.class){
883 Iterator<WeakReference<ProjectionChangeListener>> it = listeners.iterator();
884 while(it.hasNext()){
885 WeakReference<ProjectionChangeListener> wr = it.next();
886 // remove the listener - and any other listener which god garbage
887 // collected in the meantime
888 if (wr.get() == null || wr.get() == listener) {
889 it.remove();
890 }
891 }
892 }
893 }
894}
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