bundles/org.simantics.workbench/src/org/simantics/workbench/internal/SimanticsWorkbenchAdvisor.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.workbench.internal;
  13
  14 import java.io.IOException;
  15 import java.lang.reflect.InvocationTargetException;
  16 import java.net.URL;
  17 import java.text.Collator;
  18 import java.util.ArrayList;
  19 import java.util.Iterator;
  20 import java.util.Map;
  21 import java.util.TreeMap;
  22
  23 import org.eclipse.core.internal.resources.Workspace;
  24 import org.eclipse.core.net.proxy.IProxyService;
  25 import org.eclipse.core.resources.IContainer;
  26 import org.eclipse.core.resources.IResource;
  27 import org.eclipse.core.resources.ResourcesPlugin;
  28 import org.eclipse.core.resources.WorkspaceJob;
  29 import org.eclipse.core.runtime.CoreException;
  30 import org.eclipse.core.runtime.FileLocator;
  31 import org.eclipse.core.runtime.IAdaptable;
  32 import org.eclipse.core.runtime.IBundleGroup;
  33 import org.eclipse.core.runtime.IBundleGroupProvider;
  34 import org.eclipse.core.runtime.ILog;
  35 import org.eclipse.core.runtime.IProgressMonitor;
  36 import org.eclipse.core.runtime.IStatus;
  37 import org.eclipse.core.runtime.MultiStatus;
  38 import org.eclipse.core.runtime.Path;
  39 import org.eclipse.core.runtime.Platform;
  40 import org.eclipse.core.runtime.ProgressMonitorWrapper;
  41 import org.eclipse.core.runtime.Status;
  42 import org.eclipse.core.runtime.SubMonitor;
  43 import org.eclipse.core.runtime.jobs.Job;
  44 import org.eclipse.e4.core.contexts.IEclipseContext;
  45 import org.eclipse.e4.ui.internal.workbench.E4Workbench;
  46 import org.eclipse.jface.dialogs.ErrorDialog;
  47 import org.eclipse.jface.dialogs.IDialogSettings;
  48 import org.eclipse.jface.dialogs.MessageDialog;
  49 import org.eclipse.jface.dialogs.TrayDialog;
  50 import org.eclipse.jface.operation.IRunnableWithProgress;
  51 import org.eclipse.jface.preference.IPreferenceStore;
  52 import org.eclipse.jface.resource.ImageDescriptor;
  53 import org.eclipse.jface.util.Policy;
  54 import org.eclipse.jface.window.Window;
  55 import org.eclipse.swt.SWT;
  56 import org.eclipse.swt.events.SelectionAdapter;
  57 import org.eclipse.swt.events.SelectionEvent;
  58 import org.eclipse.swt.widgets.Composite;
  59 import org.eclipse.swt.widgets.Display;
  60 import org.eclipse.swt.widgets.Event;
  61 import org.eclipse.swt.widgets.Listener;
  62 import org.eclipse.swt.widgets.Shell;
  63 import org.eclipse.ui.IPerspectiveDescriptor;
  64 import org.eclipse.ui.PlatformUI;
  65 import org.eclipse.ui.application.IWorkbenchConfigurer;
  66 import org.eclipse.ui.application.IWorkbenchWindowConfigurer;
  67 import org.eclipse.ui.application.WorkbenchAdvisor;
  68 import org.eclipse.ui.application.WorkbenchWindowAdvisor;
  69 import org.eclipse.ui.ide.IDE;
  70 import org.eclipse.ui.internal.ISelectionConversionService;
  71 import org.eclipse.ui.internal.Workbench;
  72 import org.eclipse.ui.internal.ide.AboutInfo;
  73 import org.eclipse.ui.internal.ide.IDEInternalPreferences;
  74 import org.eclipse.ui.internal.ide.IDEInternalWorkbenchImages;
  75 import org.eclipse.ui.internal.ide.IDESelectionConversionService;
  76 import org.eclipse.ui.internal.ide.IDEWorkbenchActivityHelper;
  77 import org.eclipse.ui.internal.ide.IDEWorkbenchErrorHandler;
  78 import org.eclipse.ui.internal.ide.IDEWorkbenchMessages;
  79 import org.eclipse.ui.internal.ide.IDEWorkbenchPlugin;
  80 import org.eclipse.ui.internal.ide.undo.WorkspaceUndoMonitor;
  81 import org.eclipse.ui.internal.progress.ProgressMonitorJobsDialog;
  82 import org.eclipse.ui.keys.IBindingService;
  83 import org.eclipse.ui.progress.IProgressService;
  84 import org.eclipse.ui.statushandlers.AbstractStatusHandler;
  85 import org.eclipse.ui.statushandlers.StatusAdapter;
  86 import org.osgi.framework.Bundle;
  87 import org.osgi.framework.BundleContext;
  88 import org.osgi.framework.ServiceReference;
  89 import org.osgi.framework.Version;
  90 import org.simantics.CancelStartupException;
  91 import org.simantics.DatabaseBaselines;
  92 import org.simantics.PlatformException;
  93 import org.simantics.Simantics;
  94 import org.simantics.SimanticsPlatform;
  95 import org.simantics.SimanticsPlatform.OntologyRecoveryPolicy;
  96 import org.simantics.SimanticsPlatform.RecoveryPolicy;
  97 import org.simantics.TimingProgressMonitor;
  98 import org.simantics.UnhandledExceptionService;
  99 import org.simantics.application.arguments.IArguments;
 100 import org.simantics.application.arguments.SimanticsArguments;
 101 import org.simantics.db.common.Indexing;
 102 import org.simantics.db.indexing.DatabaseIndexing;
 103 import org.simantics.project.IProject;
 104 import org.simantics.project.ProjectKeys;
 105 import org.simantics.ui.SimanticsUI;
 106 import org.simantics.ui.jobs.SessionGarbageCollectorJob;
 107 import org.simantics.ui.workbench.PerspectiveBarsActivator;
 108 import org.simantics.ui.workbench.PerspectiveContextActivator;
 109 import org.simantics.utils.logging.TimeLogger;
 110 import org.simantics.utils.ui.dialogs.ShowError;
 111 import org.simantics.utils.ui.dialogs.ShowMessage;
 112 import org.slf4j.Logger;
 113 import org.slf4j.LoggerFactory;
 114
 115
 116 /**
 117  * @author Tuukka Lehtonen
 118  */
 119 public class SimanticsWorkbenchAdvisor extends WorkbenchAdvisor {
 120
 121     private static final Logger LOGGER = LoggerFactory.getLogger(SimanticsWorkbenchAdvisor.class);
 122
 123     private static final boolean PROFILE_PLATFORM_STARTUP = false;
 124
 125     private static final String SHUT_DOWN_TASK = "Shutting down...";
 126
 127     private static final String SHUT_DOWN_PLATFORM_TASK = "Shutting down platform...";
 128
 129     private static final String WORKBENCH_PREFERENCE_CATEGORY_ID = "org.eclipse.ui.preferencePages.Workbench"; //$NON-NLS-1$
 130
 131     /**
 132      * The dialog setting key to access the known installed features since the
 133      * last time the workbench was run.
 134      */
 135     private static final String INSTALLED_FEATURES = "installedFeatures"; //$NON-NLS-1$
 136
 137     /**
 138      * The arguments received by the application.
 139      */
 140     protected final IArguments args;
 141
 142     protected final boolean restoredPreviousSession = false;
 143
 144     /**
 145      * Only true while opening the initial windows during {@link #openWindows()}.
 146      * Used by {@link SimanticsWorkbenchWindowAdvisor#postWindowOpen()} to
 147      * recognize when to skip all one-time initialization.
 148      */
 149     protected boolean workbenchWindowsInitialized = false;
 150
 151     /**
 152      * Whether or not to save unsaved database changes before exiting the
 153      * workbench.
 154      */
 155     protected boolean saveAtExit = false;
 156
 157     /**
 158      * Ordered map of versioned feature ids -> info that are new for this
 159      * session; <code>null</code> if uninitialized. Key type:
 160      * <code>String</code>, Value type: <code>AboutInfo</code>.
 161      */
 162     private Map<String, AboutInfo> newlyAddedBundleGroups;
 163
 164     /**
 165      * Array of <code>AboutInfo</code> for all new installed features that
 166      * specify a welcome perspective.
 167      */
 168     private AboutInfo[] welcomePerspectiveInfos = null;
 169
 170     /**
 171      * Helper for managing activites in response to workspace changes.
 172      */
 173     private IDEWorkbenchActivityHelper activityHelper = null;
 174
 175     /**
 176      * Helper for managing work that is performed when the system is otherwise
 177      * idle.
 178      */
 179     private IDEIdleHelper idleHelper;
 180
 181     private Listener settingsChangeListener;
 182
 183     /**
 184      * Support class for monitoring workspace changes and periodically
 185      * validating the undo history
 186      */
 187     private WorkspaceUndoMonitor workspaceUndoMonitor;
 188
 189     /**
 190      * The IDE workbench error handler.
 191      */
 192     private AbstractStatusHandler ideWorkbenchErrorHandler;
 193
 194     /**
 195      * Helper class used to process delayed events.
 196      */
 197     private DelayedEventsProcessor delayedEventsProcessor;
 198
 199     /**
 200      * Creates a new workbench advisor instance.
 201      * @param processor
 202      */
 203     public SimanticsWorkbenchAdvisor(IArguments args, DelayedEventsProcessor processor) {
 204         super();
 205         this.args = args;
 206         this.delayedEventsProcessor = processor;
 207
 208         Listener closeListener = new Listener() {
 209             public void handleEvent(Event event) {
 210                 boolean doExit = SimanticsWorkbenchWindowAdvisor.promptOnExit(null);
 211                 event.doit = doExit;
 212                 if (!doExit)
 213                     event.type = SWT.None;
 214             }
 215         };
 216         Display.getDefault().addListener(SWT.Close, closeListener);
 217     }
 218
 219     public IArguments getArguments() {
 220         return args;
 221     }
 222
 223     public boolean workbenchInitialized() {
 224         return workbenchWindowsInitialized;
 225     }
 226
 227     public boolean restoredPreviousSession() {
 228         return restoredPreviousSession;
 229     }
 230
 231     boolean saveAtExit() {
 232         return saveAtExit;
 233     }
 234
 235     void setSaveAtExit(boolean saveAtExit) {
 236         this.saveAtExit = saveAtExit;
 237     }
 238
 239     /*
 240      * (non-Javadoc)
 241      *
 242      * @see org.eclipse.ui.application.WorkbenchAdvisor#initialize
 243      */
 244     @Override
 245     public void initialize(IWorkbenchConfigurer configurer) {
 246         // By default, we always save and restore the workbench state.
 247         configurer.setSaveAndRestore(true);
 248
 249         checkWorkspaceDatabaseIndexes();
 250
 251         // Start tracking the active perspective to activate contexts based on it.
 252         new PerspectiveContextActivator();
 253         new PerspectiveBarsActivator();
 254
 255         // register workspace adapters
 256         IDE.registerAdapters();
 257
 258         // register shared images
 259         declareWorkbenchImages();
 260
 261         // initialize the activity helper
 262         activityHelper = IDEWorkbenchActivityHelper.getInstance();
 263
 264         // initialize idle handler
 265         idleHelper = new IDEIdleHelper(configurer);
 266
 267         // initialize the workspace undo monitor
 268         workspaceUndoMonitor = WorkspaceUndoMonitor.getInstance();
 269
 270         // show Help button in JFace dialogs
 271         TrayDialog.setDialogHelpAvailable(true);
 272
 273         Policy.setComparator(Collator.getInstance());
 274     }
 275
 276     private void checkWorkspaceDatabaseIndexes() {
 277         try {
 278             DatabaseIndexing.validateIndexes();
 279         } catch (IOException e) {
 280             Activator.logError("Problems encountered while checking database indexes, see exception for details.", e);
 281         }
 282     }
 283
 284     public WorkbenchWindowAdvisor createWorkbenchWindowAdvisorClass(SimanticsWorkbenchAdvisor advisor, IWorkbenchWindowConfigurer configurer) {
 285         return new SimanticsWorkbenchWindowAdvisor(this, configurer);
 286     }
 287
 288     @Override
 289     public WorkbenchWindowAdvisor createWorkbenchWindowAdvisor(IWorkbenchWindowConfigurer configurer) {
 290         // Attach database session watchdog.
 291         new SessionWatchdog().attach( Simantics.getSessionContextProvider() );
 292
 293         return createWorkbenchWindowAdvisorClass(this, configurer);
 294     }
 295
 296     /**
 297      * For gaining direct access to super.openWindows() in implementations
 298      * inheriting this one.
 299      */
 300     public boolean openWindowsSuper() {
 301         return super.openWindows();
 302     }
 303
 304     /**
 305      * Sadly we do not know why key bindings are lost and why this helps. But it
 306      * does. Visiting the <code>Keys</code> preference page and pressing OK uses
 307      * this the same call and it seems to salvage the bindings that have been in
 308      * some cases destroyed by <code>BindingToModelProcessor</code>.
 309      *
 310      * <p>
 311      * Related links:
 312      * https://techblog.ralph-schuster.eu/2013/10/13/eclipsee4-problem-with-key-bindings/comment-page-1/
 313      * https://www.eclipse.org/forums/index.php/t/550175/
 314      * https://bugs.eclipse.org/bugs/show_bug.cgi?id=461037
 315      *
 316      * @see platform issue #6353
 317      */
 318     private void fixBindings() {
 319         try {
 320             IBindingService bs = PlatformUI.getWorkbench().getAdapter(IBindingService.class);
 321             bs.savePreferences(bs.getActiveScheme(), bs.getBindings());
 322         } catch (IOException e) {
 323             Activator.logError(getClass().getSimpleName() + ".fixBindings failed", e);
 324         }
 325     }
 326
 327     @Override
 328     public boolean openWindows() {
 329         boolean platformOk = startPlatform();
 330         LOGGER.info("startPlatform finished");
 331         TimeLogger.log("SimanticsWorkbenchAdvisor.startPlatform finished");
 332
 333         if (platformOk) {
 334             // At this point workbenchConfigurer.getSaveAndRestore()
 335             // returns false iff something has gone terribly wrong
 336             // before this. Currently saveAndRestore is always true.
 337             boolean windowsOpened = super.openWindows();
 338             TimeLogger.log("Opened windows");
 339             if (windowsOpened) {
 340                 workbenchWindowsInitialized = true;
 341
 342                 // Start the database garbage collector after a short while.
 343                 SessionGarbageCollectorJob.getInstance().scheduleAfterQuietTime();
 344
 345                 // #6353: Workaround for
 346                 fixBindings();
 347
 348                 return true;
 349             }
 350         }
 351
 352         // Make sure platform shutdown is ran if window opening fails.
 353         try {
 354             platformShutdownRunnable.run(null);
 355         } catch (InvocationTargetException e) {
 356             Activator.logError(getClass().getSimpleName() + ".openWindows failed", e.getCause());
 357         } catch (InterruptedException e) {
 358             Activator.logError(getClass().getSimpleName() + ".openWindows failed", e);
 359         }
 360         return false;
 361     }
 362
 363     protected boolean startPlatform() {
 364         // Verify selected perspective
 365         if (args.contains(SimanticsArguments.PERSPECTIVE)) {
 366             String perspectiveId = args.get(SimanticsArguments.PERSPECTIVE);
 367             IPerspectiveDescriptor perspective = PlatformUI.getWorkbench().getPerspectiveRegistry().findPerspectiveWithId(perspectiveId);
 368             if (perspective == null) {
 369                 StringBuilder msg = new StringBuilder();
 370                 msg.append("Requested perspective not found: '" + perspectiveId + "'\n");
 371                 msg.append("Valid alternatives are:\n");
 372                 for (IPerspectiveDescriptor pd : PlatformUI.getWorkbench().getPerspectiveRegistry().getPerspectives()) {
 373                     msg.append("    " + pd.getId() + "\n");
 374                 }
 375
 376                 ShowMessage.syncShowError("Invalid Perspective", msg.toString());
 377                 return false;
 378             }
 379         }
 380
 381         ILog log = Platform.getLog(Activator.getDefault().getBundle());
 382
 383         try {
 384             //
 385             //
 386             // Create Simantics Platform Helper.
 387             //
 388             // If Simantics is started from Eclipse IDE or with -fixerrors option,
 389             // there is an attempt to fix errors.
 390             //
 391             // On ontology mismatch, there is an attempt to merge new ontology to the
 392             // existing database. With -reinstall, the database is cleaned and
 393             // reinstalled.
 394             //
 395             //
 396
 397             RecoveryPolicy workspacePolicy = Platform.inDevelopmentMode() ? RecoveryPolicy.FixError : RecoveryPolicy.ThrowError;
 398             OntologyRecoveryPolicy ontologyPolicy = Platform.inDevelopmentMode() ? OntologyRecoveryPolicy.Merge : OntologyRecoveryPolicy.ThrowError;
 399
 400             if (args.contains(SimanticsArguments.RECOVERY_POLICY_FIX_ERRORS)) {
 401                 workspacePolicy = RecoveryPolicy.FixError;
 402                 ontologyPolicy = OntologyRecoveryPolicy.Merge;
 403             }
 404
 405             boolean requireSynchronize = true;
 406
 407             if (args.contains(SimanticsArguments.ONTOLOGY_RECOVERY_POLICY_REINSTALL)) {
 408                 ontologyPolicy = OntologyRecoveryPolicy.ReinstallDatabase;
 409             }
 410
 411             if (args.contains(SimanticsArguments.DO_NOT_SYNCHRONIZE_ONTOLOGIES)) {
 412                 requireSynchronize = false;
 413                 ontologyPolicy = OntologyRecoveryPolicy.Bypass;
 414             }
 415
 416             if (args.contains(SimanticsArguments.DISABLE_INDEX)) {
 417                 Indexing.setDefaultDependenciesIndexingEnabled(false);
 418             }
 419
 420             if (args.contains(SimanticsArguments.SERVER)) {
 421                 String serverAddress = args.get(SimanticsArguments.SERVER);
 422                 throw new PlatformException("Argument not supported: " + SimanticsArguments.SERVER + " " + serverAddress);
 423             }
 424
 425             String databaseDriverId = Simantics.getDefaultDatabaseDriver();
 426             if (args.contains(SimanticsArguments.DATABASE_ID)) {
 427                 databaseDriverId = args.get(SimanticsArguments.DATABASE_ID);
 428                 Simantics.setDefaultDatabaseDriver(databaseDriverId);
 429             }
 430
 431             IProgressMonitor mon = null;
 432             if (PROFILE_PLATFORM_STARTUP)
 433                 mon = new TimingProgressMonitor();
 434             SimanticsPlatform.INSTANCE.startUp(databaseDriverId, mon, workspacePolicy, ontologyPolicy, requireSynchronize, new JFaceUserAgent());
 435             if(DatabaseBaselines.shouldCreateAutomaticBaseline(SimanticsPlatform.INSTANCE.databaseExists() != null)) {
 436                 SimanticsPlatform.INSTANCE.shutdown(null);
 437                 DatabaseBaselines.createAutomaticBaseline(SimanticsPlatform.INSTANCE.dbLocation());
 438                 SimanticsPlatform.INSTANCE.reconnect(Simantics.getDefaultDatabaseDriver());
 439             }
 440
 441             // Make sure that the default perspective comes from the project if
 442             // the project has set ProjectKeys#DEFAULT_PERSPECTIVE.
 443             // This might go wrong if project features interact with
 444             // PerspectiveRegistry while configuring themselves, since that will
 445             // cause an invocation to #getInitialWindowPerspectiveId() while
 446             // the project has not yet been properly initialized.
 447             getWorkbenchConfigurer().getWorkbench().getPerspectiveRegistry().setDefaultPerspective(getInitialWindowPerspectiveId());
 448             TimeLogger.log("Completed setting default perspective");
 449
 450             return true;
 451         } catch (CancelStartupException e) {
 452             return false;
 453         } catch (PlatformException e) {
 454             boolean hasStackTrace = e.getStackTrace().length > 0;
 455             Throwable ee = e;
 456             while (ee.getCause() != null) {
 457                 ee = ee.getCause();
 458                 hasStackTrace = ee.getStackTrace().length > 0;
 459             }
 460
 461             log.log(new Status(IStatus.ERROR, Activator.PLUGIN_ID, e.getMessage(), hasStackTrace ? e : null));
 462             if (hasStackTrace) {
 463                 new ShowError("Platform Initialization Failed", "Simantics Platform initialization failed:\n\n" + e.getMessage(), e, true);
 464             } else {
 465                 StringBuilder sb = new StringBuilder(256);
 466                 sb.append(e.getMessage());
 467                 for (Throwable c=e.getCause(); null != c && null != c.getMessage(); c=c.getCause())
 468                     sb.append("\ncause: ").append(c.getMessage());
 469                 new ShowError("Startup Failed", sb.toString(), (Exception) null, true);
 470             }
 471
 472             return false;
 473         } catch (Exception e) {
 474             log.log(new Status(IStatus.ERROR, Activator.PLUGIN_ID, e.getMessage(), e));
 475             new ShowError("Platform Startup Failed", "Simantics Platform startup failed:\n\n" + e.getMessage(), e, true);
 476             return false;
 477         }
 478
 479     }
 480
 481     /*
 482      * (non-Javadoc)
 483      *
 484      * @see org.eclipse.ui.application.WorkbenchAdvisor#preStartup()
 485      */
 486     @Override
 487     public void preStartup() {
 488
 489         // Suspend background jobs while we startup
 490         Job.getJobManager().suspend();
 491
 492         // Register the build actions
 493         IProgressService service = PlatformUI.getWorkbench()
 494         .getProgressService();
 495         ImageDescriptor newImage = IDEInternalWorkbenchImages
 496         .getImageDescriptor(IDEInternalWorkbenchImages.IMG_ETOOL_BUILD_EXEC);
 497         service.registerIconForFamily(newImage,
 498                 ResourcesPlugin.FAMILY_MANUAL_BUILD);
 499         service.registerIconForFamily(newImage,
 500                 ResourcesPlugin.FAMILY_AUTO_BUILD);
 501     }
 502
 503     /*
 504      * (non-Javadoc)
 505      *
 506      * @see org.eclipse.ui.application.WorkbenchAdvisor#postStartup()
 507      */
 508     @Override
 509     public void postStartup() {
 510         try {
 511             refreshFromLocal();
 512             activateProxyService();
 513             ((Workbench) PlatformUI.getWorkbench()).registerService(
 514                     ISelectionConversionService.class,
 515                     new IDESelectionConversionService());
 516
 517             initializeSettingsChangeListener();
 518             Display.getCurrent().addListener(SWT.Settings,
 519                     settingsChangeListener);
 520         } finally {// Resume background jobs after we startup
 521             Job.getJobManager().resume();
 522         }
 523     }
 524
 525     /**
 526      * Activate the proxy service by obtaining it.
 527      */
 528     private void activateProxyService() {
 529         Bundle bundle = Platform.getBundle("org.eclipse.ui.ide"); //$NON-NLS-1$
 530         Object proxyService = null;
 531         if (bundle != null) {
 532             ServiceReference<?> ref = bundle.getBundleContext().getServiceReference(IProxyService.class.getName());
 533             if (ref != null)
 534                 proxyService = bundle.getBundleContext().getService(ref);
 535         }
 536         if (proxyService == null) {
 537             IDEWorkbenchPlugin.log("Proxy service could not be found."); //$NON-NLS-1$
 538         }
 539     }
 540
 541     /**
 542      * Initialize the listener for settings changes.
 543      */
 544     private void initializeSettingsChangeListener() {
 545         settingsChangeListener = new Listener() {
 546
 547             boolean currentHighContrast = Display.getCurrent()
 548             .getHighContrast();
 549
 550             @Override
 551             public void handleEvent(org.eclipse.swt.widgets.Event event) {
 552                 if (Display.getCurrent().getHighContrast() == currentHighContrast)
 553                     return;
 554
 555                 currentHighContrast = !currentHighContrast;
 556
 557                 // make sure they really want to do this
 558                 if (new MessageDialog(null,
 559                         IDEWorkbenchMessages.SystemSettingsChange_title, null,
 560                         IDEWorkbenchMessages.SystemSettingsChange_message,
 561                         MessageDialog.QUESTION, new String[] {
 562                         IDEWorkbenchMessages.SystemSettingsChange_yes,
 563                         IDEWorkbenchMessages.SystemSettingsChange_no },
 564                         1).open() == Window.OK) {
 565                     PlatformUI.getWorkbench().restart();
 566                 }
 567             }
 568         };
 569
 570     }
 571
 572     /*
 573      * (non-Javadoc)
 574      *
 575      * @see org.eclipse.ui.application.WorkbenchAdvisor#postShutdown
 576      */
 577     @Override
 578     public void postShutdown() {
 579         if (activityHelper != null) {
 580             activityHelper.shutdown();
 581             activityHelper = null;
 582         }
 583         if (idleHelper != null) {
 584             idleHelper.shutdown();
 585             idleHelper = null;
 586         }
 587         if (workspaceUndoMonitor != null) {
 588             workspaceUndoMonitor.shutdown();
 589             workspaceUndoMonitor = null;
 590         }
 591         if (IDEWorkbenchPlugin.getPluginWorkspace() != null) {
 592             disconnectFromWorkspace();
 593         }
 594     }
 595
 596     /*
 597      * (non-Javadoc)
 598      *
 599      * @see org.eclipse.ui.application.WorkbenchAdvisor#preShutdown()
 600      */
 601     @Override
 602     public boolean preShutdown() {
 603         Display.getCurrent().removeListener(SWT.Settings,
 604                 settingsChangeListener);
 605         return super.preShutdown();
 606     }
 607
 608     /**
 609      * Return true if the intro plugin is present and false otherwise.
 610      *
 611      * @return boolean
 612      */
 613     public boolean hasIntro() {
 614         return getWorkbenchConfigurer().getWorkbench().getIntroManager()
 615                 .hasIntro();
 616     }
 617
 618     private void refreshFromLocal() {
 619         String[] commandLineArgs = Platform.getCommandLineArgs();
 620         IPreferenceStore store = IDEWorkbenchPlugin.getDefault()
 621                 .getPreferenceStore();
 622         boolean refresh = store
 623                 .getBoolean(IDEInternalPreferences.REFRESH_WORKSPACE_ON_STARTUP);
 624         if (!refresh) {
 625             return;
 626         }
 627
 628         // Do not refresh if it was already done by core on startup.
 629         for (int i = 0; i < commandLineArgs.length; i++) {
 630             if (commandLineArgs[i].equalsIgnoreCase("-refresh")) { //$NON-NLS-1$
 631                 return;
 632             }
 633         }
 634
 635         final IContainer root = ResourcesPlugin.getWorkspace().getRoot();
 636         Job job = new WorkspaceJob(IDEWorkbenchMessages.Workspace_refreshing) {
 637             @Override
 638             public IStatus runInWorkspace(IProgressMonitor monitor)
 639                     throws CoreException {
 640                 root.refreshLocal(IResource.DEPTH_INFINITE, monitor);
 641                 return Status.OK_STATUS;
 642             }
 643         };
 644         job.setRule(root);
 645         job.schedule();
 646     }
 647
 648     private static class CancelableProgressMonitorWrapper extends ProgressMonitorWrapper {
 649         private double total = 0;
 650         private ProgressMonitorJobsDialog dialog;
 651
 652         CancelableProgressMonitorWrapper(IProgressMonitor monitor,
 653                 ProgressMonitorJobsDialog dialog) {
 654             super(monitor);
 655             this.dialog = dialog;
 656         }
 657
 658         /*
 659          * (non-Javadoc)
 660          * @see org.eclipse.core.runtime.ProgressMonitorWrapper#internalWorked(double)
 661          */
 662         public void internalWorked(double work) {
 663             super.internalWorked(work);
 664             total += work;
 665             updateProgressDetails();
 666         }
 667
 668         /*
 669          * (non-Javadoc)
 670          * @see org.eclipse.core.runtime.ProgressMonitorWrapper#worked(int)
 671          */
 672         public void worked(int work) {
 673             super.worked(work);
 674             total += work;
 675             updateProgressDetails();
 676         }
 677
 678         public void beginTask(String name, int totalWork) {
 679             super.beginTask(name, totalWork);
 680             subTask(IDEWorkbenchMessages.IDEWorkbenchAdvisor_preHistoryCompaction);
 681         }
 682
 683         private void updateProgressDetails() {
 684             if (!isCanceled() && Math.abs(total - 4.0) < 0.0001 /* right before history compacting */) {
 685                 subTask(IDEWorkbenchMessages.IDEWorkbenchAdvisor_cancelHistoryPruning);
 686                 dialog.setCancelable(true);
 687             }
 688             if (Math.abs(total - 5.0) < 0.0001 /* history compacting finished */) {
 689                 subTask(IDEWorkbenchMessages.IDEWorkbenchAdvisor_postHistoryCompaction);
 690                 dialog.setCancelable(false);
 691             }
 692         }
 693     }
 694
 695     private static class CancelableProgressMonitorJobsDialog extends ProgressMonitorJobsDialog {
 696
 697         public CancelableProgressMonitorJobsDialog(Shell parent) {
 698             super(parent);
 699         }
 700
 701         /*
 702          * (non-Javadoc)
 703          * @see org.eclipse.ui.internal.progress.ProgressMonitorJobsDialog#createDetailsButton(org.eclipse.swt.widgets.Composite)
 704          */
 705         protected void createButtonsForButtonBar(Composite parent) {
 706             super.createButtonsForButtonBar(parent);
 707             registerCancelButtonListener();
 708         }
 709
 710         public void registerCancelButtonListener() {
 711             cancel.addSelectionListener(new SelectionAdapter() {
 712                 public void widgetSelected(SelectionEvent e) {
 713                     subTaskLabel.setText(""); //$NON-NLS-1$
 714                 }
 715             });
 716         }
 717     }
 718
 719
 720     final IRunnableWithProgress platformShutdownRunnable = new IRunnableWithProgress() {
 721         /**
 722          * @param monitor
 723          *            the progress monitor to use for reporting progress to the
 724          *            user, or <code>null</code> indicating that no progress
 725          *            should be reported and the operation cannot be cancelled.
 726          */
 727         @Override
 728         public void run(IProgressMonitor monitor) {
 729             SubMonitor progress = SubMonitor.convert(monitor, SHUT_DOWN_PLATFORM_TASK, 100);
 730             try {
 731                 try {
 732                     progress.subTask("Platform");
 733                     SimanticsPlatform.INSTANCE.shutdown(progress.newChild(100));
 734                 } catch (PlatformException e) {
 735                     Activator.logError("Problems encountered while shutting down Simantics platform, see exception for details.", e);
 736                 }
 737
 738                 progress.subTask("Remaining database connections");
 739                 SimanticsUI.closeSessions();
 740
 741                 progress.setWorkRemaining(0);
 742             } finally {
 743                 if (monitor != null) {
 744                     monitor.done();
 745                 }
 746             }
 747         }
 748     };
 749
 750     /**
 751      * Disconnect from the workspace and close ProCore sessions.
 752      */
 753     private void disconnectFromWorkspace() {
 754         // save the workspace
 755         final MultiStatus status = new MultiStatus(
 756                 IDEWorkbenchPlugin.IDE_WORKBENCH, 1,
 757                 IDEWorkbenchMessages.ProblemSavingWorkbench, null);
 758
 759         final ProgressMonitorJobsDialog p = new CancelableProgressMonitorJobsDialog(
 760                 null);
 761
 762         final boolean applyPolicy = ResourcesPlugin.getWorkspace()
 763                 .getDescription().isApplyFileStatePolicy();
 764
 765         final IRunnableWithProgress workspaceShutdownRunnable = new IRunnableWithProgress() {
 766             @Override
 767             public void run(IProgressMonitor monitor) {
 768                 try {
 769                     status.merge(((Workspace) ResourcesPlugin.getWorkspace()).save(true, true, monitor));
 770                 } catch (CoreException e) {
 771                     status.merge(e.getStatus());
 772                 }
 773             }
 774         };
 775
 776         IRunnableWithProgress shutdownRunnable = new IRunnableWithProgress() {
 777             @Override
 778             public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
 779                 if (applyPolicy)
 780                     monitor = new CancelableProgressMonitorWrapper(
 781                             monitor, p);
 782
 783                 SubMonitor progress = SubMonitor.convert(monitor, SHUT_DOWN_TASK, 2);
 784                 try {
 785                     workspaceShutdownRunnable.run(progress.newChild(1, SubMonitor.SUPPRESS_NONE));
 786                     platformShutdownRunnable.run(progress.newChild(1, SubMonitor.SUPPRESS_NONE));
 787                 } finally {
 788                     monitor.done();
 789                 }
 790             }
 791         };
 792
 793         try {
 794             new ProgressMonitorJobsDialog(null).run(true, false, shutdownRunnable);
 795         } catch (InvocationTargetException e) {
 796             status.merge(new Status(IStatus.ERROR,
 797                     IDEWorkbenchPlugin.IDE_WORKBENCH, 1,
 798                     IDEWorkbenchMessages.InternalError, e.getTargetException()));
 799         } catch (InterruptedException e) {
 800             status.merge(new Status(IStatus.ERROR,
 801                     IDEWorkbenchPlugin.IDE_WORKBENCH, 1,
 802                     IDEWorkbenchMessages.InternalError, e));
 803         }
 804         ErrorDialog.openError(null,
 805                 IDEWorkbenchMessages.ProblemsSavingWorkspace, null, status,
 806                 IStatus.ERROR | IStatus.WARNING);
 807         if (!status.isOK()) {
 808             IDEWorkbenchPlugin.log(
 809                     IDEWorkbenchMessages.ProblemsSavingWorkspace, status);
 810         }
 811     }
 812
 813     /*
 814      * (non-Javadoc)
 815      *
 816      * @see org.eclipse.ui.application.WorkbenchAdvisor#getDefaultPageInput
 817      */
 818     @Override
 819     public IAdaptable getDefaultPageInput() {
 820         return ResourcesPlugin.getWorkspace().getRoot();
 821     }
 822
 823     /*
 824      * (non-Javadoc)
 825      *
 826      * @see org.eclipse.ui.application.WorkbenchAdvisor
 827      */
 828     @Override
 829     public String getInitialWindowPerspectiveId() {
 830         int index = PlatformUI.getWorkbench().getWorkbenchWindowCount() - 1;
 831
 832         String perspectiveId = null;
 833         AboutInfo[] welcomeInfos = getWelcomePerspectiveInfos();
 834         if (index >= 0 && welcomeInfos != null && index < welcomeInfos.length) {
 835             perspectiveId = welcomeInfos[index].getWelcomePerspectiveId();
 836         }
 837
 838         if (perspectiveId == null && args.contains(SimanticsArguments.PERSPECTIVE)) {
 839             String id = args.get(SimanticsArguments.PERSPECTIVE);
 840             IPerspectiveDescriptor perspective = PlatformUI.getWorkbench().getPerspectiveRegistry().findPerspectiveWithId(id);
 841             if (perspective != null)
 842                 perspectiveId = id;
 843         }
 844
 845         if (perspectiveId == null) {
 846             IProject project = Simantics.peekProject();
 847             if (project != null)
 848                 perspectiveId = project.getHint(ProjectKeys.DEFAULT_PERSPECTIVE);
 849         }
 850
 851         //System.out.println("Initial perspective: " + perspectiveId);
 852
 853         return perspectiveId;
 854     }
 855
 856     /**
 857      * Returns the map of versioned feature ids -> info object for all installed
 858      * features. The format of the versioned feature id (the key of the map) is
 859      * featureId + ":" + versionId.
 860      *
 861      * @return map of versioned feature ids -> info object (key type:
 862      *         <code>String</code>, value type: <code>AboutInfo</code>)
 863      * @since 3.0
 864      */
 865     private Map<String, AboutInfo> computeBundleGroupMap() {
 866         // use tree map to get predicable order
 867         Map<String, AboutInfo> ids = new TreeMap<String, AboutInfo>();
 868
 869         IBundleGroupProvider[] providers = Platform.getBundleGroupProviders();
 870         for (int i = 0; i < providers.length; ++i) {
 871             IBundleGroup[] groups = providers[i].getBundleGroups();
 872             for (int j = 0; j < groups.length; ++j) {
 873                 IBundleGroup group = groups[j];
 874                 AboutInfo info = new AboutInfo(group);
 875
 876                 String version = info.getVersionId();
 877                 version = version == null ? "0.0.0" //$NON-NLS-1$
 878                         : new Version(version).toString();
 879                 String versionedFeature = group.getIdentifier() + ":" + version; //$NON-NLS-1$
 880
 881                 ids.put(versionedFeature, info);
 882             }
 883         }
 884
 885         return ids;
 886     }
 887
 888     /**
 889      * Returns the ordered map of versioned feature ids -> AboutInfo that are
 890      * new for this session.
 891      *
 892      * @return ordered map of versioned feature ids (key type:
 893      *         <code>String</code>) -> infos (value type:
 894      *         <code>AboutInfo</code>).
 895      */
 896     public Map<String, AboutInfo> getNewlyAddedBundleGroups() {
 897         if (newlyAddedBundleGroups == null) {
 898             newlyAddedBundleGroups = createNewBundleGroupsMap();
 899         }
 900         return newlyAddedBundleGroups;
 901     }
 902
 903     /**
 904      * Updates the old features setting and returns a map of new features.
 905      */
 906     private Map<String, AboutInfo> createNewBundleGroupsMap() {
 907         // retrieve list of installed bundle groups from last session
 908         IDialogSettings settings = IDEWorkbenchPlugin.getDefault()
 909                 .getDialogSettings();
 910         String[] previousFeaturesArray = settings.getArray(INSTALLED_FEATURES);
 911
 912         // get a map of currently installed bundle groups and store it for next
 913         // session
 914         Map<String, AboutInfo> bundleGroups = computeBundleGroupMap();
 915         String[] currentFeaturesArray = new String[bundleGroups.size()];
 916         bundleGroups.keySet().toArray(currentFeaturesArray);
 917         settings.put(INSTALLED_FEATURES, currentFeaturesArray);
 918
 919         // remove the previously known from the current set
 920         if (previousFeaturesArray != null) {
 921             for (int i = 0; i < previousFeaturesArray.length; ++i) {
 922                 bundleGroups.remove(previousFeaturesArray[i]);
 923             }
 924         }
 925
 926         return bundleGroups;
 927     }
 928
 929     /**
 930      * Declares all IDE-specific workbench images. This includes both "shared"
 931      * images (named in {@link IDE.SharedImages}) and internal images (named in
 932      * {@link org.eclipse.ui.internal.ide.IDEInternalWorkbenchImages}).
 933      *
 934      * @see IWorkbenchConfigurer#declareImage
 935      */
 936     private void declareWorkbenchImages() {
 937
 938         final String ICONS_PATH = "$nl$/icons/full/";//$NON-NLS-1$
 939         final String PATH_ELOCALTOOL = ICONS_PATH + "elcl16/"; // Enabled //$NON-NLS-1$
 940
 941         // toolbar
 942         // icons.
 943         final String PATH_DLOCALTOOL = ICONS_PATH + "dlcl16/"; // Disabled //$NON-NLS-1$
 944         // //$NON-NLS-1$
 945         // toolbar
 946         // icons.
 947         final String PATH_ETOOL = ICONS_PATH + "etool16/"; // Enabled toolbar //$NON-NLS-1$
 948         // //$NON-NLS-1$
 949         // icons.
 950         final String PATH_DTOOL = ICONS_PATH + "dtool16/"; // Disabled toolbar //$NON-NLS-1$
 951         // //$NON-NLS-1$
 952         // icons.
 953         final String PATH_OBJECT = ICONS_PATH + "obj16/"; // Model object //$NON-NLS-1$
 954         // //$NON-NLS-1$
 955         // icons
 956         final String PATH_WIZBAN = ICONS_PATH + "wizban/"; // Wizard //$NON-NLS-1$
 957         // //$NON-NLS-1$
 958         // icons
 959
 960         Bundle ideBundle = Platform.getBundle(IDEWorkbenchPlugin.IDE_WORKBENCH);
 961
 962         declareWorkbenchImage(ideBundle,
 963                 IDEInternalWorkbenchImages.IMG_ETOOL_BUILD_EXEC, PATH_ETOOL
 964                 + "build_exec.gif", false); //$NON-NLS-1$
 965         declareWorkbenchImage(ideBundle,
 966                 IDEInternalWorkbenchImages.IMG_ETOOL_BUILD_EXEC_HOVER,
 967                 PATH_ETOOL + "build_exec.gif", false); //$NON-NLS-1$
 968         declareWorkbenchImage(ideBundle,
 969                 IDEInternalWorkbenchImages.IMG_ETOOL_BUILD_EXEC_DISABLED,
 970                 PATH_DTOOL + "build_exec.gif", false); //$NON-NLS-1$
 971
 972         declareWorkbenchImage(ideBundle,
 973                 IDEInternalWorkbenchImages.IMG_ETOOL_SEARCH_SRC, PATH_ETOOL
 974                 + "search_src.gif", false); //$NON-NLS-1$
 975         declareWorkbenchImage(ideBundle,
 976                 IDEInternalWorkbenchImages.IMG_ETOOL_SEARCH_SRC_HOVER,
 977                 PATH_ETOOL + "search_src.gif", false); //$NON-NLS-1$
 978         declareWorkbenchImage(ideBundle,
 979                 IDEInternalWorkbenchImages.IMG_ETOOL_SEARCH_SRC_DISABLED,
 980                 PATH_DTOOL + "search_src.gif", false); //$NON-NLS-1$
 981
 982         declareWorkbenchImage(ideBundle,
 983                 IDEInternalWorkbenchImages.IMG_ETOOL_NEXT_NAV, PATH_ETOOL
 984                 + "next_nav.gif", false); //$NON-NLS-1$
 985
 986         declareWorkbenchImage(ideBundle,
 987                 IDEInternalWorkbenchImages.IMG_ETOOL_PREVIOUS_NAV, PATH_ETOOL
 988                 + "prev_nav.gif", false); //$NON-NLS-1$
 989
 990         declareWorkbenchImage(ideBundle,
 991                 IDEInternalWorkbenchImages.IMG_WIZBAN_NEWPRJ_WIZ, PATH_WIZBAN
 992                 + "newprj_wiz.png", false); //$NON-NLS-1$
 993         declareWorkbenchImage(ideBundle,
 994                 IDEInternalWorkbenchImages.IMG_WIZBAN_NEWFOLDER_WIZ,
 995                 PATH_WIZBAN + "newfolder_wiz.png", false); //$NON-NLS-1$
 996         declareWorkbenchImage(ideBundle,
 997                 IDEInternalWorkbenchImages.IMG_WIZBAN_NEWFILE_WIZ, PATH_WIZBAN
 998                 + "newfile_wiz.png", false); //$NON-NLS-1$
 999
1000         declareWorkbenchImage(ideBundle,
1001                 IDEInternalWorkbenchImages.IMG_WIZBAN_IMPORTDIR_WIZ,
1002                 PATH_WIZBAN + "importdir_wiz.png", false); //$NON-NLS-1$
1003         declareWorkbenchImage(ideBundle,
1004                 IDEInternalWorkbenchImages.IMG_WIZBAN_IMPORTZIP_WIZ,
1005                 PATH_WIZBAN + "importzip_wiz.png", false); //$NON-NLS-1$
1006
1007         declareWorkbenchImage(ideBundle,
1008                 IDEInternalWorkbenchImages.IMG_WIZBAN_EXPORTDIR_WIZ,
1009                 PATH_WIZBAN + "exportdir_wiz.png", false); //$NON-NLS-1$
1010         declareWorkbenchImage(ideBundle,
1011                 IDEInternalWorkbenchImages.IMG_WIZBAN_EXPORTZIP_WIZ,
1012                 PATH_WIZBAN + "exportzip_wiz.png", false); //$NON-NLS-1$
1013
1014         declareWorkbenchImage(ideBundle,
1015                 IDEInternalWorkbenchImages.IMG_WIZBAN_RESOURCEWORKINGSET_WIZ,
1016                 PATH_WIZBAN + "workset_wiz.png", false); //$NON-NLS-1$
1017
1018         declareWorkbenchImage(ideBundle,
1019                 IDEInternalWorkbenchImages.IMG_DLGBAN_SAVEAS_DLG, PATH_WIZBAN
1020                 + "saveas_wiz.png", false); //$NON-NLS-1$
1021
1022         declareWorkbenchImage(ideBundle,
1023                 IDEInternalWorkbenchImages.IMG_DLGBAN_QUICKFIX_DLG, PATH_WIZBAN
1024                 + "quick_fix.png", false); //$NON-NLS-1$
1025
1026         declareWorkbenchImage(ideBundle, IDE.SharedImages.IMG_OBJ_PROJECT,
1027                 PATH_OBJECT + "prj_obj.gif", true); //$NON-NLS-1$
1028         declareWorkbenchImage(ideBundle,
1029                 IDE.SharedImages.IMG_OBJ_PROJECT_CLOSED, PATH_OBJECT
1030                 + "cprj_obj.gif", true); //$NON-NLS-1$
1031         declareWorkbenchImage(ideBundle, IDE.SharedImages.IMG_OPEN_MARKER,
1032                 PATH_ELOCALTOOL + "gotoobj_tsk.gif", true); //$NON-NLS-1$
1033
1034         declareWorkbenchImage(ideBundle,
1035                 IDEInternalWorkbenchImages.IMG_ELCL_QUICK_FIX_ENABLED,
1036                 PATH_ELOCALTOOL + "smartmode_co.gif", true); //$NON-NLS-1$
1037
1038         declareWorkbenchImage(ideBundle,
1039                 IDEInternalWorkbenchImages.IMG_DLCL_QUICK_FIX_DISABLED,
1040                 PATH_DLOCALTOOL + "smartmode_co.gif", true); //$NON-NLS-1$
1041
1042         // task objects
1043         // declareRegistryImage(IDEInternalWorkbenchImages.IMG_OBJS_HPRIO_TSK,
1044         // PATH_OBJECT+"hprio_tsk.gif");
1045         // declareRegistryImage(IDEInternalWorkbenchImages.IMG_OBJS_MPRIO_TSK,
1046         // PATH_OBJECT+"mprio_tsk.gif");
1047         // declareRegistryImage(IDEInternalWorkbenchImages.IMG_OBJS_LPRIO_TSK,
1048         // PATH_OBJECT+"lprio_tsk.gif");
1049
1050         declareWorkbenchImage(ideBundle, IDE.SharedImages.IMG_OBJS_TASK_TSK,
1051                 PATH_OBJECT + "taskmrk_tsk.gif", true); //$NON-NLS-1$
1052         declareWorkbenchImage(ideBundle, IDE.SharedImages.IMG_OBJS_BKMRK_TSK,
1053                 PATH_OBJECT + "bkmrk_tsk.gif", true); //$NON-NLS-1$
1054
1055         declareWorkbenchImage(ideBundle,
1056                 IDEInternalWorkbenchImages.IMG_OBJS_COMPLETE_TSK, PATH_OBJECT
1057                 + "complete_tsk.gif", true); //$NON-NLS-1$
1058         declareWorkbenchImage(ideBundle,
1059                 IDEInternalWorkbenchImages.IMG_OBJS_INCOMPLETE_TSK, PATH_OBJECT
1060                 + "incomplete_tsk.gif", true); //$NON-NLS-1$
1061         declareWorkbenchImage(ideBundle,
1062                 IDEInternalWorkbenchImages.IMG_OBJS_WELCOME_ITEM, PATH_OBJECT
1063                 + "welcome_item.gif", true); //$NON-NLS-1$
1064         declareWorkbenchImage(ideBundle,
1065                 IDEInternalWorkbenchImages.IMG_OBJS_WELCOME_BANNER, PATH_OBJECT
1066                 + "welcome_banner.gif", true); //$NON-NLS-1$
1067         declareWorkbenchImage(ideBundle,
1068                 IDEInternalWorkbenchImages.IMG_OBJS_ERROR_PATH, PATH_OBJECT
1069                 + "error_tsk.gif", true); //$NON-NLS-1$
1070         declareWorkbenchImage(ideBundle,
1071                 IDEInternalWorkbenchImages.IMG_OBJS_WARNING_PATH, PATH_OBJECT
1072                 + "warn_tsk.gif", true); //$NON-NLS-1$
1073         declareWorkbenchImage(ideBundle,
1074                 IDEInternalWorkbenchImages.IMG_OBJS_INFO_PATH, PATH_OBJECT
1075                 + "info_tsk.gif", true); //$NON-NLS-1$
1076
1077         declareWorkbenchImage(ideBundle,
1078                 IDEInternalWorkbenchImages.IMG_LCL_FLAT_LAYOUT, PATH_ELOCALTOOL
1079                 + "flatLayout.gif", true); //$NON-NLS-1$
1080         declareWorkbenchImage(ideBundle,
1081                 IDEInternalWorkbenchImages.IMG_LCL_HIERARCHICAL_LAYOUT,
1082                 PATH_ELOCALTOOL + "hierarchicalLayout.gif", true); //$NON-NLS-1$
1083         declareWorkbenchImage(ideBundle,
1084                 IDEInternalWorkbenchImages.IMG_ETOOL_PROBLEM_CATEGORY,
1085                 PATH_ETOOL + "problem_category.gif", true); //$NON-NLS-1$
1086         /*
1087         declareWorkbenchImage(ideBundle,
1088                 IDEInternalWorkbenchImages.IMG_LCL_LINKTO_HELP, PATH_ELOCALTOOL
1089                         + "linkto_help.gif", false); //$NON-NLS-1$
1090          */
1091
1092         // synchronization indicator objects
1093         // declareRegistryImage(IDEInternalWorkbenchImages.IMG_OBJS_WBET_STAT,
1094         // PATH_OVERLAY+"wbet_stat.gif");
1095         // declareRegistryImage(IDEInternalWorkbenchImages.IMG_OBJS_SBET_STAT,
1096         // PATH_OVERLAY+"sbet_stat.gif");
1097         // declareRegistryImage(IDEInternalWorkbenchImages.IMG_OBJS_CONFLICT_STAT,
1098         // PATH_OVERLAY+"conflict_stat.gif");
1099
1100         // content locality indicator objects
1101         // declareRegistryImage(IDEInternalWorkbenchImages.IMG_OBJS_NOTLOCAL_STAT,
1102         // PATH_STAT+"notlocal_stat.gif");
1103         // declareRegistryImage(IDEInternalWorkbenchImages.IMG_OBJS_LOCAL_STAT,
1104         // PATH_STAT+"local_stat.gif");
1105         // declareRegistryImage(IDEInternalWorkbenchImages.IMG_OBJS_FILLLOCAL_STAT,
1106         // PATH_STAT+"filllocal_stat.gif");
1107     }
1108
1109     /**
1110      * Declares an IDE-specific workbench image.
1111      *
1112      * @param symbolicName
1113      *            the symbolic name of the image
1114      * @param path
1115      *            the path of the image file; this path is relative to the base
1116      *            of the IDE plug-in
1117      * @param shared
1118      *            <code>true</code> if this is a shared image, and
1119      *            <code>false</code> if this is not a shared image
1120      * @see IWorkbenchConfigurer#declareImage
1121      */
1122     private void declareWorkbenchImage(Bundle ideBundle, String symbolicName,
1123             String path, boolean shared) {
1124         URL url = FileLocator.find(ideBundle, new Path(path), null);
1125         ImageDescriptor desc = ImageDescriptor.createFromURL(url);
1126         getWorkbenchConfigurer().declareImage(symbolicName, desc, shared);
1127     }
1128
1129     /*
1130      * (non-Javadoc)
1131      *
1132      * @see org.eclipse.ui.application.WorkbenchAdvisor#getMainPreferencePageId
1133      */
1134     @Override
1135     public String getMainPreferencePageId() {
1136         // indicate that we want the Workench preference page to be prominent
1137         return WORKBENCH_PREFERENCE_CATEGORY_ID;
1138     }
1139
1140     /**
1141      * @return the workspace location string, or <code>null</code> if the
1142      *         location is not being shown
1143      */
1144     public String getWorkspaceLocation() {
1145         // read command line, which has priority
1146         IEclipseContext context = getWorkbenchConfigurer().getWorkbench().getService(IEclipseContext.class);
1147         String location = context != null ? (String) context.get(E4Workbench.FORCED_SHOW_LOCATION) : null;
1148         if (location != null) {
1149             return location;
1150         }
1151         // read the preference
1152         if (IDEWorkbenchPlugin.getDefault().getPreferenceStore().getBoolean(IDEInternalPreferences.SHOW_LOCATION)) {
1153             return Platform.getLocation().toOSString();
1154         }
1155         return null;
1156     }
1157
1158     /**
1159      * @return the welcome perspective infos, or <code>null</code> if none or
1160      *         if they should be ignored due to the new intro being present
1161      */
1162     public AboutInfo[] getWelcomePerspectiveInfos() {
1163         if (welcomePerspectiveInfos == null) {
1164             // support old welcome perspectives if intro plugin is not present
1165             if (!hasIntro()) {
1166                 Map<String, AboutInfo> m = getNewlyAddedBundleGroups();
1167                 ArrayList<AboutInfo> list = new ArrayList<AboutInfo>(m.size());
1168                 for (Iterator<AboutInfo> i = m.values().iterator(); i.hasNext();) {
1169                     AboutInfo info = i.next();
1170                     if (info != null && info.getWelcomePerspectiveId() != null
1171                             && info.getWelcomePageURL() != null) {
1172                         list.add(info);
1173                     }
1174                 }
1175                 welcomePerspectiveInfos = new AboutInfo[list.size()];
1176                 list.toArray(welcomePerspectiveInfos);
1177             }
1178         }
1179         return welcomePerspectiveInfos;
1180     }
1181
1182     /*
1183      * (non-Javadoc)
1184      *
1185      * @see org.eclipse.ui.application.WorkbenchAdvisor#getWorkbenchErrorHandler()
1186      */
1187
1188     private AbstractStatusHandler workbenchErrorHandler = new AbstractStatusHandler() {
1189
1190         @Override
1191         public void handle(StatusAdapter statusAdapter, int style) {
1192             if (ideWorkbenchErrorHandler == null) {
1193                 ideWorkbenchErrorHandler = new IDEWorkbenchErrorHandler(
1194                         getWorkbenchConfigurer());
1195             }
1196             ideWorkbenchErrorHandler.handle(statusAdapter, style);
1197
1198             BundleContext context = Activator.getDefault().getBundle().getBundleContext();
1199             ServiceReference<?> ref = context.getServiceReference(UnhandledExceptionService.class.getName());
1200             UnhandledExceptionService unhandled = (UnhandledExceptionService)context.getService(ref);
1201             Throwable t = statusAdapter.getStatus().getException();
1202             if(t != null)
1203                 unhandled.handle(t);
1204
1205         }
1206     };
1207
1208     @Override
1209     public AbstractStatusHandler getWorkbenchErrorHandler() {
1210         return workbenchErrorHandler;
1211     }
1212
1213     /* (non-Javadoc)
1214      * @see org.eclipse.ui.application.WorkbenchAdvisor#eventLoopIdle(org.eclipse.swt.widgets.Display)
1215      */
1216     @Override
1217     public void eventLoopIdle(Display display) {
1218         if (delayedEventsProcessor != null)
1219             delayedEventsProcessor.catchUp(display);
1220         super.eventLoopIdle(display);
1221     }
1222
1223 }