// License: GPL. For details, see LICENSE file. package org.openstreetmap.josm; import static org.openstreetmap.josm.tools.I18n.tr; import java.awt.BorderLayout; import java.awt.Component; import java.awt.GridBagConstraints; import java.awt.GridBagLayout; import java.awt.Window; import java.awt.event.ComponentEvent; import java.awt.event.ComponentListener; import java.awt.event.KeyEvent; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import java.io.File; import java.lang.ref.WeakReference; import java.net.URI; import java.net.URISyntaxException; import java.net.URL; import java.text.MessageFormat; import java.util.ArrayList; import java.util.Arrays; import java.util.Collection; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; import java.util.Objects; import java.util.StringTokenizer; import java.util.concurrent.Callable; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; import java.util.concurrent.Future; import javax.swing.Action; import javax.swing.InputMap; import javax.swing.JComponent; import javax.swing.JFrame; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JTextArea; import javax.swing.KeyStroke; import javax.swing.UIManager; import javax.swing.UnsupportedLookAndFeelException; import org.openstreetmap.gui.jmapviewer.FeatureAdapter; import org.openstreetmap.josm.actions.JosmAction; import org.openstreetmap.josm.actions.OpenFileAction; import org.openstreetmap.josm.actions.downloadtasks.DownloadGpsTask; import org.openstreetmap.josm.actions.downloadtasks.DownloadOsmTask; import org.openstreetmap.josm.actions.downloadtasks.DownloadTask; import org.openstreetmap.josm.actions.downloadtasks.PostDownloadHandler; import org.openstreetmap.josm.actions.mapmode.DrawAction; import org.openstreetmap.josm.actions.mapmode.MapMode; import org.openstreetmap.josm.actions.search.SearchAction; import org.openstreetmap.josm.data.Bounds; import org.openstreetmap.josm.data.Preferences; import org.openstreetmap.josm.data.UndoRedoHandler; import org.openstreetmap.josm.data.ViewportData; import org.openstreetmap.josm.data.coor.CoordinateFormat; import org.openstreetmap.josm.data.coor.LatLon; import org.openstreetmap.josm.data.osm.DataSet; import org.openstreetmap.josm.data.osm.OsmPrimitive; import org.openstreetmap.josm.data.osm.PrimitiveDeepCopy; import org.openstreetmap.josm.data.projection.Projection; import org.openstreetmap.josm.data.projection.ProjectionChangeListener; import org.openstreetmap.josm.data.validation.OsmValidator; import org.openstreetmap.josm.gui.GettingStarted; import org.openstreetmap.josm.gui.MainApplication.Option; import org.openstreetmap.josm.gui.MainMenu; import org.openstreetmap.josm.gui.MapFrame; import org.openstreetmap.josm.gui.MapFrameListener; import org.openstreetmap.josm.gui.MapView; import org.openstreetmap.josm.gui.dialogs.LayerListDialog; import org.openstreetmap.josm.gui.help.HelpUtil; import org.openstreetmap.josm.gui.io.SaveLayersDialog; import org.openstreetmap.josm.gui.layer.Layer; import org.openstreetmap.josm.gui.layer.OsmDataLayer; import org.openstreetmap.josm.gui.layer.OsmDataLayer.CommandQueueListener; import org.openstreetmap.josm.gui.preferences.ToolbarPreferences; import org.openstreetmap.josm.gui.preferences.imagery.ImageryPreference; import org.openstreetmap.josm.gui.preferences.map.MapPaintPreference; import org.openstreetmap.josm.gui.preferences.projection.ProjectionPreference; import org.openstreetmap.josm.gui.progress.PleaseWaitProgressMonitor; import org.openstreetmap.josm.gui.progress.ProgressMonitorExecutor; import org.openstreetmap.josm.gui.tagging.TaggingPresets; import org.openstreetmap.josm.gui.util.RedirectInputMap; import org.openstreetmap.josm.gui.widgets.JMultilineLabel; import org.openstreetmap.josm.io.FileWatcher; import org.openstreetmap.josm.io.OsmApi; import org.openstreetmap.josm.tools.CheckParameterUtil; import org.openstreetmap.josm.tools.I18n; import org.openstreetmap.josm.tools.ImageProvider; import org.openstreetmap.josm.tools.OpenBrowser; import org.openstreetmap.josm.tools.OsmUrlToBounds; import org.openstreetmap.josm.tools.PlatformHook; import org.openstreetmap.josm.tools.PlatformHookOsx; import org.openstreetmap.josm.tools.PlatformHookUnixoid; import org.openstreetmap.josm.tools.PlatformHookWindows; import org.openstreetmap.josm.tools.Shortcut; import org.openstreetmap.josm.tools.Utils; import org.openstreetmap.josm.tools.WindowGeometry; /** * Abstract class holding various static global variables and methods used in large parts of JOSM application. * @since 98 */ public abstract class Main { /** * The JOSM website URL. * @since 6897 (was public from 6143 to 6896) */ private static final String JOSM_WEBSITE = "https://josm.openstreetmap.de"; /** * The OSM website URL. * @since 6897 (was public from 6453 to 6896) */ private static final String OSM_WEBSITE = "https://www.openstreetmap.org"; /** * Replies true if JOSM currently displays a map view. False, if it doesn't, i.e. if * it only shows the MOTD panel. * * @return true if JOSM currently displays a map view */ public static boolean isDisplayingMapView() { if (map == null) return false; if (map.mapView == null) return false; return true; } /** * Global parent component for all dialogs and message boxes */ public static Component parent; /** * Global application. */ public static Main main; /** * Command-line arguments used to run the application. */ public static String[] commandLineArgs; /** * The worker thread slave. This is for executing all long and intensive * calculations. The executed runnables are guaranteed to be executed separately * and sequential. */ public static final ExecutorService worker = new ProgressMonitorExecutor(); /** * Global application preferences */ public static Preferences pref; /** * The global paste buffer. */ public static final PrimitiveDeepCopy pasteBuffer = new PrimitiveDeepCopy(); /** * The layer source from which {@link Main#pasteBuffer} data comes from. */ public static Layer pasteSource; /** * The MapFrame. Use {@link Main#setMapFrame} to set or clear it. */ public static MapFrame map; /** * The toolbar preference control to register new actions. */ public static ToolbarPreferences toolbar; /** * The commands undo/redo handler. */ public final UndoRedoHandler undoRedo = new UndoRedoHandler(); /** * The progress monitor being currently displayed. */ public static PleaseWaitProgressMonitor currentProgressMonitor; /** * The main menu bar at top of screen. */ public MainMenu menu; /** * The data validation handler. */ public OsmValidator validator; /** * The file watcher service. */ public static final FileWatcher fileWatcher = new FileWatcher(); /** * The MOTD Layer. */ private GettingStarted gettingStarted = new GettingStarted(); private static final Collection mapFrameListeners = new ArrayList<>(); protected static final Map NETWORK_ERRORS = new HashMap<>(); /** * Logging level (5 = trace, 4 = debug, 3 = info, 2 = warn, 1 = error, 0 = none). * @since 6248 */ public static int logLevel = 3; /** * Prints an error message if logging is on. * @param msg The message to print. * @since 6248 */ public static void error(String msg) { if (logLevel < 1) return; if (msg != null && !msg.isEmpty()) { System.err.println(tr("ERROR: {0}", msg)); } } /** * Prints a warning message if logging is on. * @param msg The message to print. */ public static void warn(String msg) { if (logLevel < 2) return; if (msg != null && !msg.isEmpty()) { System.err.println(tr("WARNING: {0}", msg)); } } /** * Prints an informational message if logging is on. * @param msg The message to print. */ public static void info(String msg) { if (logLevel < 3) return; if (msg != null && !msg.isEmpty()) { System.out.println(tr("INFO: {0}", msg)); } } /** * Prints a debug message if logging is on. * @param msg The message to print. */ public static void debug(String msg) { if (logLevel < 4) return; if (msg != null && !msg.isEmpty()) { System.out.println(tr("DEBUG: {0}", msg)); } } /** * Prints a trace message if logging is on. * @param msg The message to print. */ public static void trace(String msg) { if (logLevel < 5) return; if (msg != null && !msg.isEmpty()) { System.out.print("TRACE: "); System.out.println(msg); } } /** * Determines if debug log level is enabled. * Useful to avoid costly construction of debug messages when not enabled. * @return {@code true} if log level is at least debug, {@code false} otherwise * @since 6852 */ public static boolean isDebugEnabled() { return logLevel >= 4; } /** * Determines if trace log level is enabled. * Useful to avoid costly construction of trace messages when not enabled. * @return {@code true} if log level is at least trace, {@code false} otherwise * @since 6852 */ public static boolean isTraceEnabled() { return logLevel >= 5; } /** * Prints a formatted error message if logging is on. Calls {@link MessageFormat#format} * function to format text. * @param msg The formatted message to print. * @param objects The objects to insert into format string. * @since 6248 */ public static void error(String msg, Object... objects) { error(MessageFormat.format(msg, objects)); } /** * Prints a formatted warning message if logging is on. Calls {@link MessageFormat#format} * function to format text. * @param msg The formatted message to print. * @param objects The objects to insert into format string. */ public static void warn(String msg, Object... objects) { warn(MessageFormat.format(msg, objects)); } /** * Prints a formatted informational message if logging is on. Calls {@link MessageFormat#format} * function to format text. * @param msg The formatted message to print. * @param objects The objects to insert into format string. */ public static void info(String msg, Object... objects) { info(MessageFormat.format(msg, objects)); } /** * Prints a formatted debug message if logging is on. Calls {@link MessageFormat#format} * function to format text. * @param msg The formatted message to print. * @param objects The objects to insert into format string. */ public static void debug(String msg, Object... objects) { debug(MessageFormat.format(msg, objects)); } /** * Prints an error message for the given Throwable. * @param t The throwable object causing the error * @since 6248 */ public static void error(Throwable t) { error(t, true); } /** * Prints a warning message for the given Throwable. * @param t The throwable object causing the error * @since 6248 */ public static void warn(Throwable t) { warn(t, true); } /** * Prints an error message for the given Throwable. * @param t The throwable object causing the error * @param stackTrace {@code true}, if the stacktrace should be displayed * @since 6642 */ public static void error(Throwable t, boolean stackTrace) { error(getErrorMessage(t)); if (stackTrace) { t.printStackTrace(); } } /** * Prints a warning message for the given Throwable. * @param t The throwable object causing the error * @param stackTrace {@code true}, if the stacktrace should be displayed * @since 6642 */ public static void warn(Throwable t, boolean stackTrace) { warn(getErrorMessage(t)); if (stackTrace) { t.printStackTrace(); } } /** * Returns a human-readable message of error, also usable for developers. * @param t The error * @return The human-readable error message * @since 6642 */ public static String getErrorMessage(Throwable t) { if (t == null) { return null; } StringBuilder sb = new StringBuilder(t.getClass().getName()); String msg = t.getMessage(); if (msg != null) { sb.append(": ").append(msg.trim()); } Throwable cause = t.getCause(); if (cause != null && !cause.equals(t)) { sb.append(". ").append(tr("Cause: ")).append(getErrorMessage(cause)); } return sb.toString(); } /** * Platform specific code goes in here. * Plugins may replace it, however, some hooks will be called before any plugins have been loeaded. * So if you need to hook into those early ones, split your class and send the one with the early hooks * to the JOSM team for inclusion. */ public static PlatformHook platform; /** * Whether or not the java vm is openjdk * We use this to work around openjdk bugs */ public static boolean isOpenjdk; /** * Initializes {@code Main.pref} in normal application context. * @since 6471 */ public static void initApplicationPreferences() { Main.pref = new Preferences(); } /** * Set or clear (if passed null) the map. * @param map The map to set {@link Main#map} to. Can be null. */ public final void setMapFrame(final MapFrame map) { MapFrame old = Main.map; panel.setVisible(false); panel.removeAll(); if (map != null) { map.fillPanel(panel); } else { old.destroy(); panel.add(gettingStarted, BorderLayout.CENTER); } panel.setVisible(true); redoUndoListener.commandChanged(0,0); Main.map = map; for (MapFrameListener listener : mapFrameListeners ) { listener.mapFrameInitialized(old, map); } if (map == null && currentProgressMonitor != null) { currentProgressMonitor.showForegroundDialog(); } } /** * Remove the specified layer from the map. If it is the last layer, * remove the map as well. * @param layer The layer to remove */ public final synchronized void removeLayer(final Layer layer) { if (map != null) { map.mapView.removeLayer(layer); if (isDisplayingMapView() && map.mapView.getAllLayers().isEmpty()) { setMapFrame(null); } } } private static InitStatusListener initListener = null; public static interface InitStatusListener { void updateStatus(String event); } public static void setInitStatusListener(InitStatusListener listener) { initListener = listener; } /** * Constructs new {@code Main} object. A lot of global variables are initialized here. */ public Main() { main = this; isOpenjdk = System.getProperty("java.vm.name").toUpperCase().indexOf("OPENJDK") != -1; if (initListener != null) { initListener.updateStatus(tr("Executing platform startup hook")); } platform.startupHook(); if (initListener != null) { initListener.updateStatus(tr("Building main menu")); } contentPanePrivate.add(panel, BorderLayout.CENTER); panel.add(gettingStarted, BorderLayout.CENTER); menu = new MainMenu(); undoRedo.addCommandQueueListener(redoUndoListener); // creating toolbar contentPanePrivate.add(toolbar.control, BorderLayout.NORTH); registerActionShortcut(menu.help, Shortcut.registerShortcut("system:help", tr("Help"), KeyEvent.VK_F1, Shortcut.DIRECT)); // contains several initialization tasks to be executed (in parallel) by a ExecutorService List> tasks = new ArrayList<>(); tasks.add(new InitializationTask(tr("Initializing OSM API")) { @Override public void initialize() throws Exception { // We try to establish an API connection early, so that any API // capabilities are already known to the editor instance. However // if it goes wrong that's not critical at this stage. try { OsmApi.getOsmApi().initialize(null, true); } catch (Exception e) { Main.warn(getErrorMessage(Utils.getRootCause(e))); } } }); tasks.add(new InitializationTask(tr("Initializing validator")) { @Override public void initialize() throws Exception { validator = new OsmValidator(); MapView.addLayerChangeListener(validator); } }); tasks.add(new InitializationTask(tr("Initializing presets")) { @Override public void initialize() throws Exception { TaggingPresets.initialize(); } }); tasks.add(new InitializationTask(tr("Initializing map styles")) { @Override public void initialize() throws Exception { MapPaintPreference.initialize(); } }); tasks.add(new InitializationTask(tr("Loading imagery preferences")) { @Override public void initialize() throws Exception { ImageryPreference.initialize(); } }); try { for (Future i : Executors.newFixedThreadPool( Runtime.getRuntime().availableProcessors()).invokeAll(tasks)) { i.get(); } } catch (Exception ex) { throw new RuntimeException(ex); } // hooks for the jmapviewer component FeatureAdapter.registerBrowserAdapter(new FeatureAdapter.BrowserAdapter() { @Override public void openLink(String url) { OpenBrowser.displayUrl(url); } }); FeatureAdapter.registerTranslationAdapter(I18n.getTranslationAdapter()); if (initListener != null) { initListener.updateStatus(tr("Updating user interface")); } toolbar.refreshToolbarControl(); toolbar.control.updateUI(); contentPanePrivate.updateUI(); } private abstract class InitializationTask implements Callable { private final String name; protected InitializationTask(String name) { this.name = name; } public abstract void initialize() throws Exception; @Override public Void call() throws Exception { if (initListener != null) { initListener.updateStatus(name); } final long startTime = System.currentTimeMillis(); initialize(); if (isDebugEnabled()) { final long elapsedTime = System.currentTimeMillis() - startTime; Main.debug(tr("{0} completed in {1}", name, Utils.getDurationString(elapsedTime))); } return null; } } /** * Add a new layer to the map. If no map exists, create one. */ public final synchronized void addLayer(final Layer layer) { boolean noMap = map == null; if (noMap) { createMapFrame(layer, null); } layer.hookUpMapView(); map.mapView.addLayer(layer); if (noMap) { Main.map.setVisible(true); } } public synchronized void createMapFrame(Layer firstLayer, ViewportData viewportData) { MapFrame mapFrame = new MapFrame(contentPanePrivate, viewportData); setMapFrame(mapFrame); if (firstLayer != null) { mapFrame.selectMapMode((MapMode)mapFrame.getDefaultButtonAction(), firstLayer); } mapFrame.initializeDialogsPane(); // bootstrapping problem: make sure the layer list dialog is going to // listen to change events of the very first layer // if (firstLayer != null) { firstLayer.addPropertyChangeListener(LayerListDialog.getInstance().getModel()); } } /** * Replies true if there is an edit layer * * @return true if there is an edit layer */ public boolean hasEditLayer() { if (getEditLayer() == null) return false; return true; } /** * Replies the current edit layer * * @return the current edit layer. null, if no current edit layer exists */ public OsmDataLayer getEditLayer() { if (!isDisplayingMapView()) return null; return map.mapView.getEditLayer(); } /** * Replies the current data set. * * @return the current data set. null, if no current data set exists */ public DataSet getCurrentDataSet() { if (!hasEditLayer()) return null; return getEditLayer().data; } /** * Replies the current selected primitives, from a end-user point of view. * It is not always technically the same collection of primitives than {@link DataSet#getSelected()}. * Indeed, if the user is currently in drawing mode, only the way currently being drawn is returned, * see {@link DrawAction#getInProgressSelection()}. * * @return The current selected primitives, from a end-user point of view. Can be {@code null}. * @since 6546 */ public Collection getInProgressSelection() { if (map != null && map.mapMode instanceof DrawAction) { return ((DrawAction) map.mapMode).getInProgressSelection(); } else { DataSet ds = getCurrentDataSet(); if (ds == null) return null; return ds.getSelected(); } } /** * Returns the currently active layer * * @return the currently active layer. null, if currently no active layer exists */ public Layer getActiveLayer() { if (!isDisplayingMapView()) return null; return map.mapView.getActiveLayer(); } protected static final JPanel contentPanePrivate = new JPanel(new BorderLayout()); public static void redirectToMainContentPane(JComponent source) { RedirectInputMap.redirect(source, contentPanePrivate); } public static void registerActionShortcut(JosmAction action) { registerActionShortcut(action, action.getShortcut()); } public static void registerActionShortcut(Action action, Shortcut shortcut) { KeyStroke keyStroke = shortcut.getKeyStroke(); if (keyStroke == null) return; InputMap inputMap = contentPanePrivate.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW); Object existing = inputMap.get(keyStroke); if (existing != null && !existing.equals(action)) { info(String.format("Keystroke %s is already assigned to %s, will be overridden by %s", keyStroke, existing, action)); } inputMap.put(keyStroke, action); contentPanePrivate.getActionMap().put(action, action); } public static void unregisterShortcut(Shortcut shortcut) { contentPanePrivate.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).remove(shortcut.getKeyStroke()); } public static void unregisterActionShortcut(JosmAction action) { unregisterActionShortcut(action, action.getShortcut()); } public static void unregisterActionShortcut(Action action, Shortcut shortcut) { unregisterShortcut(shortcut); contentPanePrivate.getActionMap().remove(action); } /** * Replies the registered action for the given shortcut * @param shortcut The shortcut to look for * @return the registered action for the given shortcut * @since 5696 */ public static Action getRegisteredActionShortcut(Shortcut shortcut) { KeyStroke keyStroke = shortcut.getKeyStroke(); if (keyStroke == null) return null; Object action = contentPanePrivate.getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).get(keyStroke); if (action instanceof Action) return (Action) action; return null; } /////////////////////////////////////////////////////////////////////////// // Implementation part /////////////////////////////////////////////////////////////////////////// /** * Global panel. */ public static final JPanel panel = new JPanel(new BorderLayout()); protected static WindowGeometry geometry; protected static int windowState = JFrame.NORMAL; private final CommandQueueListener redoUndoListener = new CommandQueueListener(){ @Override public void commandChanged(final int queueSize, final int redoSize) { menu.undo.setEnabled(queueSize > 0); menu.redo.setEnabled(redoSize > 0); } }; /** * Should be called before the main constructor to setup some parameter stuff * @param args The parsed argument list. */ public static void preConstructorInit(Map> args) { ProjectionPreference.setProjection(); try { String defaultlaf = platform.getDefaultStyle(); String laf = Main.pref.get("laf", defaultlaf); try { UIManager.setLookAndFeel(laf); } catch (final NoClassDefFoundError | ClassNotFoundException e) { info("Look and Feel not found: " + laf); Main.pref.put("laf", defaultlaf); } catch (final UnsupportedLookAndFeelException e) { info("Look and Feel not supported: " + laf); Main.pref.put("laf", defaultlaf); } toolbar = new ToolbarPreferences(); contentPanePrivate.updateUI(); panel.updateUI(); } catch (final Exception e) { error(e); } UIManager.put("OptionPane.okIcon", ImageProvider.get("ok")); UIManager.put("OptionPane.yesIcon", UIManager.get("OptionPane.okIcon")); UIManager.put("OptionPane.cancelIcon", ImageProvider.get("cancel")); UIManager.put("OptionPane.noIcon", UIManager.get("OptionPane.cancelIcon")); I18n.translateJavaInternalMessages(); // init default coordinate format // try { CoordinateFormat.setCoordinateFormat(CoordinateFormat.valueOf(Main.pref.get("coordinates"))); } catch (IllegalArgumentException iae) { CoordinateFormat.setCoordinateFormat(CoordinateFormat.DECIMAL_DEGREES); } geometry = WindowGeometry.mainWindow("gui.geometry", (args.containsKey(Option.GEOMETRY) ? args.get(Option.GEOMETRY).iterator().next() : null), !args.containsKey(Option.NO_MAXIMIZE) && Main.pref.getBoolean("gui.maximized", false)); } protected static void postConstructorProcessCmdLine(Map> args) { if (args.containsKey(Option.DOWNLOAD)) { List fileList = new ArrayList<>(); for (String s : args.get(Option.DOWNLOAD)) { File f = null; switch(paramType(s)) { case httpUrl: downloadFromParamHttp(false, s); break; case bounds: downloadFromParamBounds(false, s); break; case fileUrl: try { f = new File(new URI(s)); } catch (URISyntaxException e) { JOptionPane.showMessageDialog( Main.parent, tr("Ignoring malformed file URL: \"{0}\"", s), tr("Warning"), JOptionPane.WARNING_MESSAGE ); } if (f!=null) { fileList.add(f); } break; case fileName: f = new File(s); fileList.add(f); break; } } if(!fileList.isEmpty()) { OpenFileAction.openFiles(fileList, true); } } if (args.containsKey(Option.DOWNLOADGPS)) { for (String s : args.get(Option.DOWNLOADGPS)) { switch(paramType(s)) { case httpUrl: downloadFromParamHttp(true, s); break; case bounds: downloadFromParamBounds(true, s); break; case fileUrl: case fileName: JOptionPane.showMessageDialog( Main.parent, tr("Parameter \"downloadgps\" does not accept file names or file URLs"), tr("Warning"), JOptionPane.WARNING_MESSAGE ); } } } if (args.containsKey(Option.SELECTION)) { for (String s : args.get(Option.SELECTION)) { SearchAction.search(s, SearchAction.SearchMode.add); } } } /** * 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. * @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. * @since 2025 */ public static boolean saveUnsavedModifications() { if (!isDisplayingMapView()) return true; return saveUnsavedModifications(map.mapView.getLayersOfType(OsmDataLayer.class), true); } /** * Asks user to perform "save layer" operations (save .osm on disk and/or upload osm data to server) before osm layers deletion. * * @param selectedLayers The layers to check. Only instances of {@link OsmDataLayer} are considered. * @param exit {@code true} if JOSM is exiting, {@code false} otherwise. * @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. * @since 5519 */ public static boolean saveUnsavedModifications(Iterable selectedLayers, boolean exit) { SaveLayersDialog dialog = new SaveLayersDialog(parent); List layersWithUnmodifiedChanges = new ArrayList<>(); for (Layer l: selectedLayers) { if (!(l instanceof OsmDataLayer)) { continue; } OsmDataLayer odl = (OsmDataLayer)l; if ((odl.requiresSaveToFile() || (odl.requiresUploadToServer() && !odl.isUploadDiscouraged())) && odl.data.isModified()) { layersWithUnmodifiedChanges.add(odl); } } if (exit) { dialog.prepareForSavingAndUpdatingLayersBeforeExit(); } else { dialog.prepareForSavingAndUpdatingLayersBeforeDelete(); } if (!layersWithUnmodifiedChanges.isEmpty()) { dialog.getModel().populate(layersWithUnmodifiedChanges); dialog.setVisible(true); switch(dialog.getUserAction()) { case CANCEL: return false; case PROCEED: return true; default: return false; } } return true; } /** * Closes JOSM and optionally terminates the Java Virtual Machine (JVM). If there are some unsaved data layers, asks first for user confirmation. * @param exit If {@code true}, the JVM is terminated by running {@link System#exit} with a given return code. * @param exitCode The return code * @return {@code true} if JOSM has been closed, {@code false} if the user has cancelled the operation. * @since 3378 */ public static boolean exitJosm(boolean exit, int exitCode) { if (Main.saveUnsavedModifications()) { geometry.remember("gui.geometry"); if (map != null) { map.rememberToggleDialogWidth(); } pref.put("gui.maximized", (windowState & JFrame.MAXIMIZED_BOTH) != 0); // Remove all layers because somebody may rely on layerRemoved events (like AutosaveTask) if (Main.isDisplayingMapView()) { Collection layers = new ArrayList<>(Main.map.mapView.getAllLayers()); for (Layer l: layers) { Main.main.removeLayer(l); } } if (exit) { System.exit(exitCode); } return true; } return false; } /** * The type of a command line parameter, to be used in switch statements. * @see #paramType */ private enum DownloadParamType { httpUrl, fileUrl, bounds, fileName } /** * Guess the type of a parameter string specified on the command line with --download= or --downloadgps. * @param s A parameter string * @return The guessed parameter type */ private static DownloadParamType paramType(String s) { if(s.startsWith("http:") || s.startsWith("https:")) return DownloadParamType.httpUrl; if(s.startsWith("file:")) return DownloadParamType.fileUrl; String coorPattern = "\\s*[+-]?[0-9]+(\\.[0-9]+)?\\s*"; if(s.matches(coorPattern+"(,"+coorPattern+"){3}")) return DownloadParamType.bounds; // everything else must be a file name return DownloadParamType.fileName; } /** * Download area specified on the command line as OSM URL. * @param rawGps Flag to download raw GPS tracks * @param s The URL parameter */ private static void downloadFromParamHttp(final boolean rawGps, String s) { final Bounds b = OsmUrlToBounds.parse(s); if (b == null) { JOptionPane.showMessageDialog( Main.parent, tr("Ignoring malformed URL: \"{0}\"", s), tr("Warning"), JOptionPane.WARNING_MESSAGE ); } else { downloadFromParamBounds(rawGps, b); } } /** * Download area specified on the command line as bounds string. * @param rawGps Flag to download raw GPS tracks * @param s The bounds parameter */ private static void downloadFromParamBounds(final boolean rawGps, String s) { final StringTokenizer st = new StringTokenizer(s, ","); if (st.countTokens() == 4) { Bounds b = new Bounds( new LatLon(Double.parseDouble(st.nextToken()),Double.parseDouble(st.nextToken())), new LatLon(Double.parseDouble(st.nextToken()),Double.parseDouble(st.nextToken())) ); downloadFromParamBounds(rawGps, b); } } /** * Download area specified as Bounds value. * @param rawGps Flag to download raw GPS tracks * @param b The bounds value * @see #downloadFromParamBounds(boolean, String) * @see #downloadFromParamHttp */ private static void downloadFromParamBounds(final boolean rawGps, Bounds b) { DownloadTask task = rawGps ? new DownloadGpsTask() : new DownloadOsmTask(); // asynchronously launch the download task ... Future future = task.download(true, b, null); // ... and the continuation when the download is finished (this will wait for the download to finish) Main.worker.execute(new PostDownloadHandler(task, future)); } /** * Identifies the current operating system family and initializes the platform hook accordingly. * @since 1849 */ public static void determinePlatformHook() { String os = System.getProperty("os.name"); if (os == null) { warn("Your operating system has no name, so I'm guessing its some kind of *nix."); platform = new PlatformHookUnixoid(); } else if (os.toLowerCase().startsWith("windows")) { platform = new PlatformHookWindows(); } else if ("Linux".equals(os) || "Solaris".equals(os) || "SunOS".equals(os) || "AIX".equals(os) || "FreeBSD".equals(os) || "NetBSD".equals(os) || "OpenBSD".equals(os)) { platform = new PlatformHookUnixoid(); } else if (os.toLowerCase().startsWith("mac os x")) { platform = new PlatformHookOsx(); } else { warn("I don't know your operating system '"+os+"', so I'm guessing its some kind of *nix."); platform = new PlatformHookUnixoid(); } } private static class WindowPositionSizeListener extends WindowAdapter implements ComponentListener { @Override public void windowStateChanged(WindowEvent e) { Main.windowState = e.getNewState(); } @Override public void componentHidden(ComponentEvent e) { } @Override public void componentMoved(ComponentEvent e) { handleComponentEvent(e); } @Override public void componentResized(ComponentEvent e) { handleComponentEvent(e); } @Override public void componentShown(ComponentEvent e) { } private void handleComponentEvent(ComponentEvent e) { Component c = e.getComponent(); if (c instanceof JFrame && c.isVisible()) { if(Main.windowState == JFrame.NORMAL) { Main.geometry = new WindowGeometry((JFrame) c); } else { Main.geometry.fixScreen((JFrame) c); } } } } protected static void addListener() { parent.addComponentListener(new WindowPositionSizeListener()); ((JFrame)parent).addWindowStateListener(new WindowPositionSizeListener()); } /** * Checks that JOSM is at least running with Java 7. * @since 7001 */ public static void checkJavaVersion() { String version = System.getProperty("java.version"); if (version != null) { if (version.matches("^(1\\.)?[789].*")) return; if (version.matches("^(1\\.)?[56].*")) { JMultilineLabel ho = new JMultilineLabel(""+ tr("

JOSM requires Java version {0}.

"+ "Detected Java version: {1}.
"+ "You can
  • update your Java (JRE) or
  • "+ "
  • use an earlier (Java {2} compatible) version of JOSM.
"+ "More Info:", "7", version, "6")+""); JTextArea link = new JTextArea(HelpUtil.getWikiBaseHelpUrl()+"/Help/SystemRequirements"); link.setEditable(false); link.setBackground(panel.getBackground()); JPanel panel = new JPanel(new GridBagLayout()); GridBagConstraints gbc = new GridBagConstraints(); gbc.gridwidth = GridBagConstraints.REMAINDER; gbc.anchor = GridBagConstraints.WEST; gbc.weightx = 1.0; panel.add(ho, gbc); panel.add(link, gbc); final String EXIT = tr("Exit JOSM"); final String CONTINUE = tr("Continue, try anyway"); int ret = JOptionPane.showOptionDialog(null, panel, tr("Error"), JOptionPane.YES_NO_OPTION, JOptionPane.ERROR_MESSAGE, null, new String[] {EXIT, CONTINUE}, EXIT); if (ret == 0) { System.exit(0); } return; } } error("Could not recognize Java Version: "+version); } /* ----------------------------------------------------------------------------------------- */ /* projection handling - Main is a registry for a single, global projection instance */ /* */ /* TODO: For historical reasons the registry is implemented by Main. An alternative approach */ /* would be a singleton org.openstreetmap.josm.data.projection.ProjectionRegistry class. */ /* ----------------------------------------------------------------------------------------- */ /** * The projection method used. * use {@link #getProjection()} and {@link #setProjection(Projection)} for access. * Use {@link #setProjection(Projection)} in order to trigger a projection change event. */ private static Projection proj; /** * Replies the current projection. * * @return the currently active projection */ public static Projection getProjection() { return proj; } /** * Sets the current projection * * @param p the projection */ public static void setProjection(Projection p) { CheckParameterUtil.ensureParameterNotNull(p); Projection oldValue = proj; Bounds b = isDisplayingMapView() ? map.mapView.getRealBounds() : null; proj = p; fireProjectionChanged(oldValue, proj, b); } /* * Keep WeakReferences to the listeners. This relieves clients from the burden of * explicitly removing the listeners and allows us to transparently register every * created dataset as projection change listener. */ private static final List> listeners = new ArrayList<>(); private static void fireProjectionChanged(Projection oldValue, Projection newValue, Bounds oldBounds) { if (newValue == null ^ oldValue == null || (newValue != null && oldValue != null && !Objects.equals(newValue.toCode(), oldValue.toCode()))) { synchronized(Main.class) { Iterator> it = listeners.iterator(); while (it.hasNext()){ WeakReference wr = it.next(); ProjectionChangeListener listener = wr.get(); if (listener == null) { it.remove(); continue; } listener.projectionChanged(oldValue, newValue); } } if (newValue != null && oldBounds != null) { Main.map.mapView.zoomTo(oldBounds); } /* TODO - remove layers with fixed projection */ } } /** * Register a projection change listener. * * @param listener the listener. Ignored if null. */ public static void addProjectionChangeListener(ProjectionChangeListener listener) { if (listener == null) return; synchronized (Main.class) { for (WeakReference wr : listeners) { // already registered ? => abort if (wr.get() == listener) return; } listeners.add(new WeakReference<>(listener)); } } /** * Removes a projection change listener. * * @param listener the listener. Ignored if null. */ public static void removeProjectionChangeListener(ProjectionChangeListener listener) { if (listener == null) return; synchronized(Main.class){ Iterator> it = listeners.iterator(); while (it.hasNext()){ WeakReference wr = it.next(); // remove the listener - and any other listener which got garbage // collected in the meantime if (wr.get() == null || wr.get() == listener) { it.remove(); } } } } /** * Listener for window switch events. * * These are events, when the user activates a window of another application * or comes back to JOSM. Window switches from one JOSM window to another * are not reported. */ public static interface WindowSwitchListener { /** * Called when the user activates a window of another application. */ void toOtherApplication(); /** * Called when the user comes from a window of another application * back to JOSM. */ void fromOtherApplication(); } private static final List> windowSwitchListeners = new ArrayList<>(); /** * Register a window switch listener. * * @param listener the listener. Ignored if null. */ public static void addWindowSwitchListener(WindowSwitchListener listener) { if (listener == null) return; synchronized (Main.class) { for (WeakReference wr : windowSwitchListeners) { // already registered ? => abort if (wr.get() == listener) return; } boolean wasEmpty = windowSwitchListeners.isEmpty(); windowSwitchListeners.add(new WeakReference<>(listener)); if (wasEmpty) { // The following call will have no effect, when there is no window // at the time. Therefore, MasterWindowListener.setup() will also be // called, as soon as the main window is shown. MasterWindowListener.setup(); } } } /** * Removes a window switch listener. * * @param listener the listener. Ignored if null. */ public static void removeWindowSwitchListener(WindowSwitchListener listener) { if (listener == null) return; synchronized (Main.class){ Iterator> it = windowSwitchListeners.iterator(); while (it.hasNext()){ WeakReference wr = it.next(); // remove the listener - and any other listener which got garbage // collected in the meantime if (wr.get() == null || wr.get() == listener) { it.remove(); } } if (windowSwitchListeners.isEmpty()) { MasterWindowListener.teardown(); } } } /** * WindowListener, that is registered on all Windows of the application. * * Its purpose is to notify WindowSwitchListeners, that the user switches to * another application, e.g. a browser, or back to JOSM. * * When changing from JOSM to another application and back (e.g. two times * alt+tab), the active Window within JOSM may be different. * Therefore, we need to register listeners to all (visible) * Windows in JOSM, and it does not suffice to monitor the one that was * deactivated last. * * This class is only "active" on demand, i.e. when there is at least one * WindowSwitchListener registered. */ protected static class MasterWindowListener extends WindowAdapter { private static MasterWindowListener INSTANCE; public static MasterWindowListener getInstance() { if (INSTANCE == null) { INSTANCE = new MasterWindowListener(); } return INSTANCE; } /** * Register listeners to all non-hidden windows. * * Windows that are created later, will be cared for in {@link #windowDeactivated(WindowEvent)}. */ public static void setup() { if (!windowSwitchListeners.isEmpty()) { for (Window w : Window.getWindows()) { if (w.isShowing()) { if (!Arrays.asList(w.getWindowListeners()).contains(getInstance())) { w.addWindowListener(getInstance()); } } } } } /** * Unregister all listeners. */ public static void teardown() { for (Window w : Window.getWindows()) { w.removeWindowListener(getInstance()); } } @Override public void windowActivated(WindowEvent e) { if (e.getOppositeWindow() == null) { // we come from a window of a different application // fire WindowSwitchListeners synchronized (Main.class) { Iterator> it = windowSwitchListeners.iterator(); while (it.hasNext()){ WeakReference wr = it.next(); WindowSwitchListener listener = wr.get(); if (listener == null) { it.remove(); continue; } listener.fromOtherApplication(); } } } } @Override public void windowDeactivated(WindowEvent e) { // set up windows that have been created in the meantime for (Window w : Window.getWindows()) { if (!w.isShowing()) { w.removeWindowListener(getInstance()); } else { if (!Arrays.asList(w.getWindowListeners()).contains(getInstance())) { w.addWindowListener(getInstance()); } } } if (e.getOppositeWindow() == null) { // we go to a window of a different application // fire WindowSwitchListeners synchronized (Main.class) { Iterator> it = windowSwitchListeners.iterator(); while (it.hasNext()){ WeakReference wr = it.next(); WindowSwitchListener listener = wr.get(); if (listener == null) { it.remove(); continue; } listener.toOtherApplication(); } } } } } /** * Registers a new {@code MapFrameListener} that will be notified of MapFrame changes * @param listener The MapFrameListener * @return {@code true} if the listeners collection changed as a result of the call * @since 5957 */ public static boolean addMapFrameListener(MapFrameListener listener) { return listener != null ? mapFrameListeners.add(listener) : false; } /** * Unregisters the given {@code MapFrameListener} from MapFrame changes * @param listener The MapFrameListener * @return {@code true} if the listeners collection changed as a result of the call * @since 5957 */ public static boolean removeMapFrameListener(MapFrameListener listener) { return listener != null ? mapFrameListeners.remove(listener) : false; } /** * Adds a new network error that occur to give a hint about broken Internet connection. * Do not use this method for errors known for sure thrown because of a bad proxy configuration. * * @param url The accessed URL that caused the error * @param t The network error * @return The previous error associated to the given resource, if any. Can be {@code null} * @since 6642 */ public static Throwable addNetworkError(URL url, Throwable t) { if (url != null && t != null) { Throwable old = addNetworkError(url.toExternalForm(), t); if (old != null) { Main.warn("Already here "+old); } return old; } return null; } /** * Adds a new network error that occur to give a hint about broken Internet connection. * Do not use this method for errors known for sure thrown because of a bad proxy configuration. * * @param url The accessed URL that caused the error * @param t The network error * @return The previous error associated to the given resource, if any. Can be {@code null} * @since 6642 */ public static Throwable addNetworkError(String url, Throwable t) { if (url != null && t != null) { return NETWORK_ERRORS.put(url, t); } return null; } /** * Returns the network errors that occured until now. * @return the network errors that occured until now, indexed by URL * @since 6639 */ public static Map getNetworkErrors() { return new HashMap<>(NETWORK_ERRORS); } /** * Returns the JOSM website URL. * @return the josm website URL * @since 6897 */ public static String getJOSMWebsite() { if (Main.pref != null) return Main.pref.get("josm.url", JOSM_WEBSITE); return JOSM_WEBSITE; } /** * Returns the JOSM XML URL. * @return the josm XML URL * @since 6897 */ public static String getXMLBase() { // Always return HTTP (issues reported with HTTPS) return "http://josm.openstreetmap.de"; } /** * Returns the OSM website URL. * @return the OSM website URL * @since 6897 */ public static String getOSMWebsite() { if (Main.pref != null) return Main.pref.get("osm.url", OSM_WEBSITE); return OSM_WEBSITE; } /** * Determines if we are currently running on OSX. * @return {@code true} if we are currently running on OSX * @since 6957 */ public static boolean isPlatformOsx() { return Main.platform instanceof PlatformHookOsx; } }