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.PlatformException;
  92 import org.simantics.Simantics;
  93 import org.simantics.SimanticsPlatform;
  94 import org.simantics.SimanticsPlatform.OntologyRecoveryPolicy;
  95 import org.simantics.SimanticsPlatform.RecoveryPolicy;
  96 import org.simantics.TimingProgressMonitor;
  97 import org.simantics.UnhandledExceptionService;
  98 import org.simantics.application.arguments.IArguments;
  99 import org.simantics.application.arguments.SimanticsArguments;
 100 import org.simantics.db.common.Indexing;
 101 import org.simantics.db.indexing.DatabaseIndexing;
 102 import org.simantics.project.IProject;
 103 import org.simantics.project.ProjectKeys;
 104 import org.simantics.ui.SimanticsUI;
 105 import org.simantics.ui.jobs.SessionGarbageCollectorJob;
 106 import org.simantics.ui.workbench.PerspectiveBarsActivator;
 107 import org.simantics.ui.workbench.PerspectiveContextActivator;
 108 import org.simantics.ui.workbench.WorkbenchShutdownService;
 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
 436             // Make sure that the default perspective comes from the project if
 437             // the project has set ProjectKeys#DEFAULT_PERSPECTIVE.
 438             // This might go wrong if project features interact with
 439             // PerspectiveRegistry while configuring themselves, since that will
 440             // cause an invocation to #getInitialWindowPerspectiveId() while
 441             // the project has not yet been properly initialized.
 442             getWorkbenchConfigurer().getWorkbench().getPerspectiveRegistry().setDefaultPerspective(getInitialWindowPerspectiveId());
 443             TimeLogger.log("Completed setting default perspective");
 444
 445             return true;
 446         } catch (CancelStartupException e) {
 447             return false;
 448         } catch (PlatformException e) {
 449             boolean hasStackTrace = e.getStackTrace().length > 0;
 450             Throwable ee = e;
 451             while (ee.getCause() != null) {
 452                 ee = ee.getCause();
 453                 hasStackTrace = ee.getStackTrace().length > 0;
 454             }
 455
 456             log.log(new Status(IStatus.ERROR, Activator.PLUGIN_ID, e.getMessage(), hasStackTrace ? e : null));
 457             if (hasStackTrace) {
 458                 new ShowError("Platform Initialization Failed", "Simantics Platform initialization failed:\n\n" + e.getMessage(), e, true);
 459             } else {
 460                 StringBuilder sb = new StringBuilder(256);
 461                 sb.append(e.getMessage());
 462                 for (Throwable c=e.getCause(); null != c && null != c.getMessage(); c=c.getCause())
 463                     sb.append("\ncause: ").append(c.getMessage());
 464                 new ShowError("Startup Failed", sb.toString(), (Exception) null, true);
 465             }
 466
 467             return false;
 468         } catch (Exception e) {
 469             log.log(new Status(IStatus.ERROR, Activator.PLUGIN_ID, e.getMessage(), e));
 470             new ShowError("Platform Startup Failed", "Simantics Platform startup failed:\n\n" + e.getMessage(), e, true);
 471             return false;
 472         }
 473
 474     }
 475
 476     /*
 477      * (non-Javadoc)
 478      *
 479      * @see org.eclipse.ui.application.WorkbenchAdvisor#preStartup()
 480      */
 481     @Override
 482     public void preStartup() {
 483
 484         // Suspend background jobs while we startup
 485         Job.getJobManager().suspend();
 486
 487         // Register the build actions
 488         IProgressService service = PlatformUI.getWorkbench()
 489         .getProgressService();
 490         ImageDescriptor newImage = IDEInternalWorkbenchImages
 491         .getImageDescriptor(IDEInternalWorkbenchImages.IMG_ETOOL_BUILD_EXEC);
 492         service.registerIconForFamily(newImage,
 493                 ResourcesPlugin.FAMILY_MANUAL_BUILD);
 494         service.registerIconForFamily(newImage,
 495                 ResourcesPlugin.FAMILY_AUTO_BUILD);
 496     }
 497
 498     /*
 499      * (non-Javadoc)
 500      *
 501      * @see org.eclipse.ui.application.WorkbenchAdvisor#postStartup()
 502      */
 503     @Override
 504     public void postStartup() {
 505         try {
 506             refreshFromLocal();
 507             activateProxyService();
 508             ((Workbench) PlatformUI.getWorkbench()).registerService(
 509                     ISelectionConversionService.class,
 510                     new IDESelectionConversionService());
 511
 512             initializeSettingsChangeListener();
 513             Display.getCurrent().addListener(SWT.Settings,
 514                     settingsChangeListener);
 515         } finally {// Resume background jobs after we startup
 516             Job.getJobManager().resume();
 517         }
 518     }
 519
 520     /**
 521      * Activate the proxy service by obtaining it.
 522      */
 523     private void activateProxyService() {
 524         Bundle bundle = Platform.getBundle("org.eclipse.ui.ide"); //$NON-NLS-1$
 525         Object proxyService = null;
 526         if (bundle != null) {
 527             ServiceReference<?> ref = bundle.getBundleContext().getServiceReference(IProxyService.class.getName());
 528             if (ref != null)
 529                 proxyService = bundle.getBundleContext().getService(ref);
 530         }
 531         if (proxyService == null) {
 532             IDEWorkbenchPlugin.log("Proxy service could not be found."); //$NON-NLS-1$
 533         }
 534     }
 535
 536     /**
 537      * Initialize the listener for settings changes.
 538      */
 539     private void initializeSettingsChangeListener() {
 540         settingsChangeListener = new Listener() {
 541
 542             boolean currentHighContrast = Display.getCurrent()
 543             .getHighContrast();
 544
 545             @Override
 546             public void handleEvent(org.eclipse.swt.widgets.Event event) {
 547                 if (Display.getCurrent().getHighContrast() == currentHighContrast)
 548                     return;
 549
 550                 currentHighContrast = !currentHighContrast;
 551
 552                 // make sure they really want to do this
 553                 if (new MessageDialog(null,
 554                         IDEWorkbenchMessages.SystemSettingsChange_title, null,
 555                         IDEWorkbenchMessages.SystemSettingsChange_message,
 556                         MessageDialog.QUESTION, new String[] {
 557                         IDEWorkbenchMessages.SystemSettingsChange_yes,
 558                         IDEWorkbenchMessages.SystemSettingsChange_no },
 559                         1).open() == Window.OK) {
 560                     PlatformUI.getWorkbench().restart();
 561                 }
 562             }
 563         };
 564
 565     }
 566
 567     /*
 568      * (non-Javadoc)
 569      *
 570      * @see org.eclipse.ui.application.WorkbenchAdvisor#postShutdown
 571      */
 572     @Override
 573     public void postShutdown() {
 574         if (activityHelper != null) {
 575             activityHelper.shutdown();
 576             activityHelper = null;
 577         }
 578         if (idleHelper != null) {
 579             idleHelper.shutdown();
 580             idleHelper = null;
 581         }
 582         if (workspaceUndoMonitor != null) {
 583             workspaceUndoMonitor.shutdown();
 584             workspaceUndoMonitor = null;
 585         }
 586         if (IDEWorkbenchPlugin.getPluginWorkspace() != null) {
 587             disconnectFromWorkspace();
 588         }
 589     }
 590
 591     /*
 592      * (non-Javadoc)
 593      *
 594      * @see org.eclipse.ui.application.WorkbenchAdvisor#preShutdown()
 595      */
 596     @Override
 597     public boolean preShutdown() {
 598         Display.getCurrent().removeListener(SWT.Settings,
 599                 settingsChangeListener);
 600         return super.preShutdown();
 601     }
 602
 603     /**
 604      * Return true if the intro plugin is present and false otherwise.
 605      *
 606      * @return boolean
 607      */
 608     public boolean hasIntro() {
 609         return getWorkbenchConfigurer().getWorkbench().getIntroManager()
 610                 .hasIntro();
 611     }
 612
 613     private void refreshFromLocal() {
 614         String[] commandLineArgs = Platform.getCommandLineArgs();
 615         IPreferenceStore store = IDEWorkbenchPlugin.getDefault()
 616                 .getPreferenceStore();
 617         boolean refresh = store
 618                 .getBoolean(IDEInternalPreferences.REFRESH_WORKSPACE_ON_STARTUP);
 619         if (!refresh) {
 620             return;
 621         }
 622
 623         // Do not refresh if it was already done by core on startup.
 624         for (int i = 0; i < commandLineArgs.length; i++) {
 625             if (commandLineArgs[i].equalsIgnoreCase("-refresh")) { //$NON-NLS-1$
 626                 return;
 627             }
 628         }
 629
 630         final IContainer root = ResourcesPlugin.getWorkspace().getRoot();
 631         Job job = new WorkspaceJob(IDEWorkbenchMessages.Workspace_refreshing) {
 632             @Override
 633             public IStatus runInWorkspace(IProgressMonitor monitor)
 634                     throws CoreException {
 635                 root.refreshLocal(IResource.DEPTH_INFINITE, monitor);
 636                 return Status.OK_STATUS;
 637             }
 638         };
 639         job.setRule(root);
 640         job.schedule();
 641     }
 642
 643     private static class CancelableProgressMonitorWrapper extends ProgressMonitorWrapper {
 644         private double total = 0;
 645         private ProgressMonitorJobsDialog dialog;
 646
 647         CancelableProgressMonitorWrapper(IProgressMonitor monitor,
 648                 ProgressMonitorJobsDialog dialog) {
 649             super(monitor);
 650             this.dialog = dialog;
 651         }
 652
 653         /*
 654          * (non-Javadoc)
 655          * @see org.eclipse.core.runtime.ProgressMonitorWrapper#internalWorked(double)
 656          */
 657         public void internalWorked(double work) {
 658             super.internalWorked(work);
 659             total += work;
 660             updateProgressDetails();
 661         }
 662
 663         /*
 664          * (non-Javadoc)
 665          * @see org.eclipse.core.runtime.ProgressMonitorWrapper#worked(int)
 666          */
 667         public void worked(int work) {
 668             super.worked(work);
 669             total += work;
 670             updateProgressDetails();
 671         }
 672
 673         public void beginTask(String name, int totalWork) {
 674             super.beginTask(name, totalWork);
 675             subTask(IDEWorkbenchMessages.IDEWorkbenchAdvisor_preHistoryCompaction);
 676         }
 677
 678         private void updateProgressDetails() {
 679             if (!isCanceled() && Math.abs(total - 4.0) < 0.0001 /* right before history compacting */) {
 680                 subTask(IDEWorkbenchMessages.IDEWorkbenchAdvisor_cancelHistoryPruning);
 681                 dialog.setCancelable(true);
 682             }
 683             if (Math.abs(total - 5.0) < 0.0001 /* history compacting finished */) {
 684                 subTask(IDEWorkbenchMessages.IDEWorkbenchAdvisor_postHistoryCompaction);
 685                 dialog.setCancelable(false);
 686             }
 687         }
 688     }
 689
 690     private static class CancelableProgressMonitorJobsDialog extends ProgressMonitorJobsDialog {
 691
 692         public CancelableProgressMonitorJobsDialog(Shell parent) {
 693             super(parent);
 694         }
 695
 696         /*
 697          * (non-Javadoc)
 698          * @see org.eclipse.ui.internal.progress.ProgressMonitorJobsDialog#createDetailsButton(org.eclipse.swt.widgets.Composite)
 699          */
 700         protected void createButtonsForButtonBar(Composite parent) {
 701             super.createButtonsForButtonBar(parent);
 702             registerCancelButtonListener();
 703         }
 704
 705         public void registerCancelButtonListener() {
 706             cancel.addSelectionListener(new SelectionAdapter() {
 707                 public void widgetSelected(SelectionEvent e) {
 708                     subTaskLabel.setText(""); //$NON-NLS-1$
 709                 }
 710             });
 711         }
 712     }
 713
 714
 715     final IRunnableWithProgress platformShutdownRunnable = new IRunnableWithProgress() {
 716         /**
 717          * @param monitor
 718          *            the progress monitor to use for reporting progress to the
 719          *            user, or <code>null</code> indicating that no progress
 720          *            should be reported and the operation cannot be cancelled.
 721          */
 722         @Override
 723         public void run(IProgressMonitor monitor) {
 724             SubMonitor progress = SubMonitor.convert(monitor, SHUT_DOWN_PLATFORM_TASK, 100);
 725             try {
 726                 try {
 727                     progress.subTask("Platform");
 728                     SimanticsPlatform.INSTANCE.shutdown(progress.newChild(100));
 729                 } catch (PlatformException e) {
 730                     Activator.logError("Problems encountered while shutting down Simantics platform, see exception for details.", e);
 731                 }
 732
 733                 progress.subTask("Remaining database connections");
 734                 SimanticsUI.closeSessions();
 735
 736                 progress.setWorkRemaining(0);
 737             } finally {
 738                 if (monitor != null) {
 739                     monitor.done();
 740                 }
 741             }
 742         }
 743     };
 744
 745     /**
 746      * Disconnect from the workspace and close ProCore sessions.
 747      */
 748     private void disconnectFromWorkspace() {
 749         // save the workspace
 750         final MultiStatus status = new MultiStatus(
 751                 IDEWorkbenchPlugin.IDE_WORKBENCH, 1,
 752                 IDEWorkbenchMessages.ProblemSavingWorkbench, null);
 753
 754         final ProgressMonitorJobsDialog p = new CancelableProgressMonitorJobsDialog(
 755                 null);
 756
 757         final boolean applyPolicy = ResourcesPlugin.getWorkspace()
 758                 .getDescription().isApplyFileStatePolicy();
 759
 760         final IRunnableWithProgress workspaceShutdownRunnable = new IRunnableWithProgress() {
 761             @Override
 762             public void run(IProgressMonitor monitor) {
 763                 try {
 764                     status.merge(((Workspace) ResourcesPlugin.getWorkspace()).save(true, true, monitor));
 765                 } catch (CoreException e) {
 766                     status.merge(e.getStatus());
 767                 }
 768             }
 769         };
 770
 771         IRunnableWithProgress shutdownRunnable = new IRunnableWithProgress() {
 772             @Override
 773             public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
 774                 if (applyPolicy)
 775                     monitor = new CancelableProgressMonitorWrapper(
 776                             monitor, p);
 777
 778                 SubMonitor progress = SubMonitor.convert(monitor, SHUT_DOWN_TASK, 2);
 779                 try {
 780                     workspaceShutdownRunnable.run(progress.newChild(1, SubMonitor.SUPPRESS_NONE));
 781                     platformShutdownRunnable.run(progress.newChild(1, SubMonitor.SUPPRESS_NONE));
 782                 } finally {
 783                     monitor.done();
 784                 }
 785             }
 786         };
 787
 788         try {
 789             new ProgressMonitorJobsDialog(null).run(true, false, shutdownRunnable);
 790         } catch (InvocationTargetException e) {
 791             status.merge(new Status(IStatus.ERROR,
 792                     IDEWorkbenchPlugin.IDE_WORKBENCH, 1,
 793                     IDEWorkbenchMessages.InternalError, e.getTargetException()));
 794         } catch (InterruptedException e) {
 795             status.merge(new Status(IStatus.ERROR,
 796                     IDEWorkbenchPlugin.IDE_WORKBENCH, 1,
 797                     IDEWorkbenchMessages.InternalError, e));
 798         }
 799         ErrorDialog.openError(null,
 800                 IDEWorkbenchMessages.ProblemsSavingWorkspace, null, status,
 801                 IStatus.ERROR | IStatus.WARNING);
 802         if (!status.isOK()) {
 803             IDEWorkbenchPlugin.log(
 804                     IDEWorkbenchMessages.ProblemsSavingWorkspace, status);
 805         }
 806     }
 807
 808     /*
 809      * (non-Javadoc)
 810      *
 811      * @see org.eclipse.ui.application.WorkbenchAdvisor#getDefaultPageInput
 812      */
 813     @Override
 814     public IAdaptable getDefaultPageInput() {
 815         return ResourcesPlugin.getWorkspace().getRoot();
 816     }
 817
 818     /*
 819      * (non-Javadoc)
 820      *
 821      * @see org.eclipse.ui.application.WorkbenchAdvisor
 822      */
 823     @Override
 824     public String getInitialWindowPerspectiveId() {
 825         int index = PlatformUI.getWorkbench().getWorkbenchWindowCount() - 1;
 826
 827         String perspectiveId = null;
 828         AboutInfo[] welcomeInfos = getWelcomePerspectiveInfos();
 829         if (index >= 0 && welcomeInfos != null && index < welcomeInfos.length) {
 830             perspectiveId = welcomeInfos[index].getWelcomePerspectiveId();
 831         }
 832
 833         if (perspectiveId == null && args.contains(SimanticsArguments.PERSPECTIVE)) {
 834             String id = args.get(SimanticsArguments.PERSPECTIVE);
 835             IPerspectiveDescriptor perspective = PlatformUI.getWorkbench().getPerspectiveRegistry().findPerspectiveWithId(id);
 836             if (perspective != null)
 837                 perspectiveId = id;
 838         }
 839
 840         if (perspectiveId == null) {
 841             IProject project = Simantics.peekProject();
 842             if (project != null)
 843                 perspectiveId = project.getHint(ProjectKeys.DEFAULT_PERSPECTIVE);
 844         }
 845
 846         //System.out.println("Initial perspective: " + perspectiveId);
 847
 848         return perspectiveId;
 849     }
 850
 851     /**
 852      * Returns the map of versioned feature ids -> info object for all installed
 853      * features. The format of the versioned feature id (the key of the map) is
 854      * featureId + ":" + versionId.
 855      *
 856      * @return map of versioned feature ids -> info object (key type:
 857      *         <code>String</code>, value type: <code>AboutInfo</code>)
 858      * @since 3.0
 859      */
 860     private Map<String, AboutInfo> computeBundleGroupMap() {
 861         // use tree map to get predicable order
 862         Map<String, AboutInfo> ids = new TreeMap<String, AboutInfo>();
 863
 864         IBundleGroupProvider[] providers = Platform.getBundleGroupProviders();
 865         for (int i = 0; i < providers.length; ++i) {
 866             IBundleGroup[] groups = providers[i].getBundleGroups();
 867             for (int j = 0; j < groups.length; ++j) {
 868                 IBundleGroup group = groups[j];
 869                 AboutInfo info = new AboutInfo(group);
 870
 871                 String version = info.getVersionId();
 872                 version = version == null ? "0.0.0" //$NON-NLS-1$
 873                         : new Version(version).toString();
 874                 String versionedFeature = group.getIdentifier() + ":" + version; //$NON-NLS-1$
 875
 876                 ids.put(versionedFeature, info);
 877             }
 878         }
 879
 880         return ids;
 881     }
 882
 883     /**
 884      * Returns the ordered map of versioned feature ids -> AboutInfo that are
 885      * new for this session.
 886      *
 887      * @return ordered map of versioned feature ids (key type:
 888      *         <code>String</code>) -> infos (value type:
 889      *         <code>AboutInfo</code>).
 890      */
 891     public Map<String, AboutInfo> getNewlyAddedBundleGroups() {
 892         if (newlyAddedBundleGroups == null) {
 893             newlyAddedBundleGroups = createNewBundleGroupsMap();
 894         }
 895         return newlyAddedBundleGroups;
 896     }
 897
 898     /**
 899      * Updates the old features setting and returns a map of new features.
 900      */
 901     private Map<String, AboutInfo> createNewBundleGroupsMap() {
 902         // retrieve list of installed bundle groups from last session
 903         IDialogSettings settings = IDEWorkbenchPlugin.getDefault()
 904                 .getDialogSettings();
 905         String[] previousFeaturesArray = settings.getArray(INSTALLED_FEATURES);
 906
 907         // get a map of currently installed bundle groups and store it for next
 908         // session
 909         Map<String, AboutInfo> bundleGroups = computeBundleGroupMap();
 910         String[] currentFeaturesArray = new String[bundleGroups.size()];
 911         bundleGroups.keySet().toArray(currentFeaturesArray);
 912         settings.put(INSTALLED_FEATURES, currentFeaturesArray);
 913
 914         // remove the previously known from the current set
 915         if (previousFeaturesArray != null) {
 916             for (int i = 0; i < previousFeaturesArray.length; ++i) {
 917                 bundleGroups.remove(previousFeaturesArray[i]);
 918             }
 919         }
 920
 921         return bundleGroups;
 922     }
 923
 924     /**
 925      * Declares all IDE-specific workbench images. This includes both "shared"
 926      * images (named in {@link IDE.SharedImages}) and internal images (named in
 927      * {@link org.eclipse.ui.internal.ide.IDEInternalWorkbenchImages}).
 928      *
 929      * @see IWorkbenchConfigurer#declareImage
 930      */
 931     private void declareWorkbenchImages() {
 932
 933         final String ICONS_PATH = "$nl$/icons/full/";//$NON-NLS-1$
 934         final String PATH_ELOCALTOOL = ICONS_PATH + "elcl16/"; // Enabled //$NON-NLS-1$
 935
 936         // toolbar
 937         // icons.
 938         final String PATH_DLOCALTOOL = ICONS_PATH + "dlcl16/"; // Disabled //$NON-NLS-1$
 939         // //$NON-NLS-1$
 940         // toolbar
 941         // icons.
 942         final String PATH_ETOOL = ICONS_PATH + "etool16/"; // Enabled toolbar //$NON-NLS-1$
 943         // //$NON-NLS-1$
 944         // icons.
 945         final String PATH_DTOOL = ICONS_PATH + "dtool16/"; // Disabled toolbar //$NON-NLS-1$
 946         // //$NON-NLS-1$
 947         // icons.
 948         final String PATH_OBJECT = ICONS_PATH + "obj16/"; // Model object //$NON-NLS-1$
 949         // //$NON-NLS-1$
 950         // icons
 951         final String PATH_WIZBAN = ICONS_PATH + "wizban/"; // Wizard //$NON-NLS-1$
 952         // //$NON-NLS-1$
 953         // icons
 954
 955         Bundle ideBundle = Platform.getBundle(IDEWorkbenchPlugin.IDE_WORKBENCH);
 956
 957         declareWorkbenchImage(ideBundle,
 958                 IDEInternalWorkbenchImages.IMG_ETOOL_BUILD_EXEC, PATH_ETOOL
 959                 + "build_exec.gif", false); //$NON-NLS-1$
 960         declareWorkbenchImage(ideBundle,
 961                 IDEInternalWorkbenchImages.IMG_ETOOL_BUILD_EXEC_HOVER,
 962                 PATH_ETOOL + "build_exec.gif", false); //$NON-NLS-1$
 963         declareWorkbenchImage(ideBundle,
 964                 IDEInternalWorkbenchImages.IMG_ETOOL_BUILD_EXEC_DISABLED,
 965                 PATH_DTOOL + "build_exec.gif", false); //$NON-NLS-1$
 966
 967         declareWorkbenchImage(ideBundle,
 968                 IDEInternalWorkbenchImages.IMG_ETOOL_SEARCH_SRC, PATH_ETOOL
 969                 + "search_src.gif", false); //$NON-NLS-1$
 970         declareWorkbenchImage(ideBundle,
 971                 IDEInternalWorkbenchImages.IMG_ETOOL_SEARCH_SRC_HOVER,
 972                 PATH_ETOOL + "search_src.gif", false); //$NON-NLS-1$
 973         declareWorkbenchImage(ideBundle,
 974                 IDEInternalWorkbenchImages.IMG_ETOOL_SEARCH_SRC_DISABLED,
 975                 PATH_DTOOL + "search_src.gif", false); //$NON-NLS-1$
 976
 977         declareWorkbenchImage(ideBundle,
 978                 IDEInternalWorkbenchImages.IMG_ETOOL_NEXT_NAV, PATH_ETOOL
 979                 + "next_nav.gif", false); //$NON-NLS-1$
 980
 981         declareWorkbenchImage(ideBundle,
 982                 IDEInternalWorkbenchImages.IMG_ETOOL_PREVIOUS_NAV, PATH_ETOOL
 983                 + "prev_nav.gif", false); //$NON-NLS-1$
 984
 985         declareWorkbenchImage(ideBundle,
 986                 IDEInternalWorkbenchImages.IMG_WIZBAN_NEWPRJ_WIZ, PATH_WIZBAN
 987                 + "newprj_wiz.png", false); //$NON-NLS-1$
 988         declareWorkbenchImage(ideBundle,
 989                 IDEInternalWorkbenchImages.IMG_WIZBAN_NEWFOLDER_WIZ,
 990                 PATH_WIZBAN + "newfolder_wiz.png", false); //$NON-NLS-1$
 991         declareWorkbenchImage(ideBundle,
 992                 IDEInternalWorkbenchImages.IMG_WIZBAN_NEWFILE_WIZ, PATH_WIZBAN
 993                 + "newfile_wiz.png", false); //$NON-NLS-1$
 994
 995         declareWorkbenchImage(ideBundle,
 996                 IDEInternalWorkbenchImages.IMG_WIZBAN_IMPORTDIR_WIZ,
 997                 PATH_WIZBAN + "importdir_wiz.png", false); //$NON-NLS-1$
 998         declareWorkbenchImage(ideBundle,
 999                 IDEInternalWorkbenchImages.IMG_WIZBAN_IMPORTZIP_WIZ,
1000                 PATH_WIZBAN + "importzip_wiz.png", false); //$NON-NLS-1$
1001
1002         declareWorkbenchImage(ideBundle,
1003                 IDEInternalWorkbenchImages.IMG_WIZBAN_EXPORTDIR_WIZ,
1004                 PATH_WIZBAN + "exportdir_wiz.png", false); //$NON-NLS-1$
1005         declareWorkbenchImage(ideBundle,
1006                 IDEInternalWorkbenchImages.IMG_WIZBAN_EXPORTZIP_WIZ,
1007                 PATH_WIZBAN + "exportzip_wiz.png", false); //$NON-NLS-1$
1008
1009         declareWorkbenchImage(ideBundle,
1010                 IDEInternalWorkbenchImages.IMG_WIZBAN_RESOURCEWORKINGSET_WIZ,
1011                 PATH_WIZBAN + "workset_wiz.png", false); //$NON-NLS-1$
1012
1013         declareWorkbenchImage(ideBundle,
1014                 IDEInternalWorkbenchImages.IMG_DLGBAN_SAVEAS_DLG, PATH_WIZBAN
1015                 + "saveas_wiz.png", false); //$NON-NLS-1$
1016
1017         declareWorkbenchImage(ideBundle,
1018                 IDEInternalWorkbenchImages.IMG_DLGBAN_QUICKFIX_DLG, PATH_WIZBAN
1019                 + "quick_fix.png", false); //$NON-NLS-1$
1020
1021         declareWorkbenchImage(ideBundle, IDE.SharedImages.IMG_OBJ_PROJECT,
1022                 PATH_OBJECT + "prj_obj.gif", true); //$NON-NLS-1$
1023         declareWorkbenchImage(ideBundle,
1024                 IDE.SharedImages.IMG_OBJ_PROJECT_CLOSED, PATH_OBJECT
1025                 + "cprj_obj.gif", true); //$NON-NLS-1$
1026         declareWorkbenchImage(ideBundle, IDE.SharedImages.IMG_OPEN_MARKER,
1027                 PATH_ELOCALTOOL + "gotoobj_tsk.gif", true); //$NON-NLS-1$
1028
1029         declareWorkbenchImage(ideBundle,
1030                 IDEInternalWorkbenchImages.IMG_ELCL_QUICK_FIX_ENABLED,
1031                 PATH_ELOCALTOOL + "smartmode_co.gif", true); //$NON-NLS-1$
1032
1033         declareWorkbenchImage(ideBundle,
1034                 IDEInternalWorkbenchImages.IMG_DLCL_QUICK_FIX_DISABLED,
1035                 PATH_DLOCALTOOL + "smartmode_co.gif", true); //$NON-NLS-1$
1036
1037         // task objects
1038         // declareRegistryImage(IDEInternalWorkbenchImages.IMG_OBJS_HPRIO_TSK,
1039         // PATH_OBJECT+"hprio_tsk.gif");
1040         // declareRegistryImage(IDEInternalWorkbenchImages.IMG_OBJS_MPRIO_TSK,
1041         // PATH_OBJECT+"mprio_tsk.gif");
1042         // declareRegistryImage(IDEInternalWorkbenchImages.IMG_OBJS_LPRIO_TSK,
1043         // PATH_OBJECT+"lprio_tsk.gif");
1044
1045         declareWorkbenchImage(ideBundle, IDE.SharedImages.IMG_OBJS_TASK_TSK,
1046                 PATH_OBJECT + "taskmrk_tsk.gif", true); //$NON-NLS-1$
1047         declareWorkbenchImage(ideBundle, IDE.SharedImages.IMG_OBJS_BKMRK_TSK,
1048                 PATH_OBJECT + "bkmrk_tsk.gif", true); //$NON-NLS-1$
1049
1050         declareWorkbenchImage(ideBundle,
1051                 IDEInternalWorkbenchImages.IMG_OBJS_COMPLETE_TSK, PATH_OBJECT
1052                 + "complete_tsk.gif", true); //$NON-NLS-1$
1053         declareWorkbenchImage(ideBundle,
1054                 IDEInternalWorkbenchImages.IMG_OBJS_INCOMPLETE_TSK, PATH_OBJECT
1055                 + "incomplete_tsk.gif", true); //$NON-NLS-1$
1056         declareWorkbenchImage(ideBundle,
1057                 IDEInternalWorkbenchImages.IMG_OBJS_WELCOME_ITEM, PATH_OBJECT
1058                 + "welcome_item.gif", true); //$NON-NLS-1$
1059         declareWorkbenchImage(ideBundle,
1060                 IDEInternalWorkbenchImages.IMG_OBJS_WELCOME_BANNER, PATH_OBJECT
1061                 + "welcome_banner.gif", true); //$NON-NLS-1$
1062         declareWorkbenchImage(ideBundle,
1063                 IDEInternalWorkbenchImages.IMG_OBJS_ERROR_PATH, PATH_OBJECT
1064                 + "error_tsk.gif", true); //$NON-NLS-1$
1065         declareWorkbenchImage(ideBundle,
1066                 IDEInternalWorkbenchImages.IMG_OBJS_WARNING_PATH, PATH_OBJECT
1067                 + "warn_tsk.gif", true); //$NON-NLS-1$
1068         declareWorkbenchImage(ideBundle,
1069                 IDEInternalWorkbenchImages.IMG_OBJS_INFO_PATH, PATH_OBJECT
1070                 + "info_tsk.gif", true); //$NON-NLS-1$
1071
1072         declareWorkbenchImage(ideBundle,
1073                 IDEInternalWorkbenchImages.IMG_LCL_FLAT_LAYOUT, PATH_ELOCALTOOL
1074                 + "flatLayout.gif", true); //$NON-NLS-1$
1075         declareWorkbenchImage(ideBundle,
1076                 IDEInternalWorkbenchImages.IMG_LCL_HIERARCHICAL_LAYOUT,
1077                 PATH_ELOCALTOOL + "hierarchicalLayout.gif", true); //$NON-NLS-1$
1078         declareWorkbenchImage(ideBundle,
1079                 IDEInternalWorkbenchImages.IMG_ETOOL_PROBLEM_CATEGORY,
1080                 PATH_ETOOL + "problem_category.gif", true); //$NON-NLS-1$
1081         /*
1082         declareWorkbenchImage(ideBundle,
1083                 IDEInternalWorkbenchImages.IMG_LCL_LINKTO_HELP, PATH_ELOCALTOOL
1084                         + "linkto_help.gif", false); //$NON-NLS-1$
1085          */
1086
1087         // synchronization indicator objects
1088         // declareRegistryImage(IDEInternalWorkbenchImages.IMG_OBJS_WBET_STAT,
1089         // PATH_OVERLAY+"wbet_stat.gif");
1090         // declareRegistryImage(IDEInternalWorkbenchImages.IMG_OBJS_SBET_STAT,
1091         // PATH_OVERLAY+"sbet_stat.gif");
1092         // declareRegistryImage(IDEInternalWorkbenchImages.IMG_OBJS_CONFLICT_STAT,
1093         // PATH_OVERLAY+"conflict_stat.gif");
1094
1095         // content locality indicator objects
1096         // declareRegistryImage(IDEInternalWorkbenchImages.IMG_OBJS_NOTLOCAL_STAT,
1097         // PATH_STAT+"notlocal_stat.gif");
1098         // declareRegistryImage(IDEInternalWorkbenchImages.IMG_OBJS_LOCAL_STAT,
1099         // PATH_STAT+"local_stat.gif");
1100         // declareRegistryImage(IDEInternalWorkbenchImages.IMG_OBJS_FILLLOCAL_STAT,
1101         // PATH_STAT+"filllocal_stat.gif");
1102     }
1103
1104     /**
1105      * Declares an IDE-specific workbench image.
1106      *
1107      * @param symbolicName
1108      *            the symbolic name of the image
1109      * @param path
1110      *            the path of the image file; this path is relative to the base
1111      *            of the IDE plug-in
1112      * @param shared
1113      *            <code>true</code> if this is a shared image, and
1114      *            <code>false</code> if this is not a shared image
1115      * @see IWorkbenchConfigurer#declareImage
1116      */
1117     private void declareWorkbenchImage(Bundle ideBundle, String symbolicName,
1118             String path, boolean shared) {
1119         URL url = FileLocator.find(ideBundle, new Path(path), null);
1120         ImageDescriptor desc = ImageDescriptor.createFromURL(url);
1121         getWorkbenchConfigurer().declareImage(symbolicName, desc, shared);
1122     }
1123
1124     /*
1125      * (non-Javadoc)
1126      *
1127      * @see org.eclipse.ui.application.WorkbenchAdvisor#getMainPreferencePageId
1128      */
1129     @Override
1130     public String getMainPreferencePageId() {
1131         // indicate that we want the Workench preference page to be prominent
1132         return WORKBENCH_PREFERENCE_CATEGORY_ID;
1133     }
1134
1135     /**
1136      * @return the workspace location string, or <code>null</code> if the
1137      *         location is not being shown
1138      */
1139     public String getWorkspaceLocation() {
1140         // read command line, which has priority
1141         IEclipseContext context = getWorkbenchConfigurer().getWorkbench().getService(IEclipseContext.class);
1142         String location = context != null ? (String) context.get(E4Workbench.FORCED_SHOW_LOCATION) : null;
1143         if (location != null) {
1144             return location;
1145         }
1146         // read the preference
1147         if (IDEWorkbenchPlugin.getDefault().getPreferenceStore().getBoolean(IDEInternalPreferences.SHOW_LOCATION)) {
1148             return Platform.getLocation().toOSString();
1149         }
1150         return null;
1151     }
1152
1153     /**
1154      * @return the welcome perspective infos, or <code>null</code> if none or
1155      *         if they should be ignored due to the new intro being present
1156      */
1157     public AboutInfo[] getWelcomePerspectiveInfos() {
1158         if (welcomePerspectiveInfos == null) {
1159             // support old welcome perspectives if intro plugin is not present
1160             if (!hasIntro()) {
1161                 Map<String, AboutInfo> m = getNewlyAddedBundleGroups();
1162                 ArrayList<AboutInfo> list = new ArrayList<AboutInfo>(m.size());
1163                 for (Iterator<AboutInfo> i = m.values().iterator(); i.hasNext();) {
1164                     AboutInfo info = i.next();
1165                     if (info != null && info.getWelcomePerspectiveId() != null
1166                             && info.getWelcomePageURL() != null) {
1167                         list.add(info);
1168                     }
1169                 }
1170                 welcomePerspectiveInfos = new AboutInfo[list.size()];
1171                 list.toArray(welcomePerspectiveInfos);
1172             }
1173         }
1174         return welcomePerspectiveInfos;
1175     }
1176
1177     /*
1178      * (non-Javadoc)
1179      *
1180      * @see org.eclipse.ui.application.WorkbenchAdvisor#getWorkbenchErrorHandler()
1181      */
1182
1183     private AbstractStatusHandler workbenchErrorHandler = new AbstractStatusHandler() {
1184
1185         @Override
1186         public void handle(StatusAdapter statusAdapter, int style) {
1187             if (ideWorkbenchErrorHandler == null) {
1188                 ideWorkbenchErrorHandler = new IDEWorkbenchErrorHandler(
1189                         getWorkbenchConfigurer());
1190             }
1191             ideWorkbenchErrorHandler.handle(statusAdapter, style);
1192
1193             BundleContext context = Activator.getDefault().getBundle().getBundleContext();
1194             ServiceReference<?> ref = context.getServiceReference(UnhandledExceptionService.class.getName());
1195             UnhandledExceptionService unhandled = (UnhandledExceptionService)context.getService(ref);
1196             Throwable t = statusAdapter.getStatus().getException();
1197             if(t != null)
1198                 unhandled.handle(t);
1199
1200         }
1201     };
1202
1203     @Override
1204     public AbstractStatusHandler getWorkbenchErrorHandler() {
1205         return workbenchErrorHandler;
1206     }
1207
1208     /* (non-Javadoc)
1209      * @see org.eclipse.ui.application.WorkbenchAdvisor#eventLoopIdle(org.eclipse.swt.widgets.Display)
1210      */
1211     @Override
1212     public void eventLoopIdle(Display display) {
1213         if (delayedEventsProcessor != null)
1214             delayedEventsProcessor.catchUp(display);
1215         super.eventLoopIdle(display);
1216     }
1217
1218 }