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.osgi.framework.Bundle;
  86 import org.osgi.framework.ServiceReference;
  87 import org.osgi.framework.Version;
  88 import org.simantics.CancelStartupException;
  89 import org.simantics.PlatformException;
  90 import org.simantics.Simantics;
  91 import org.simantics.SimanticsPlatform;
  92 import org.simantics.SimanticsPlatform.OntologyRecoveryPolicy;
  93 import org.simantics.SimanticsPlatform.RecoveryPolicy;
  94 import org.simantics.application.arguments.IArguments;
  95 import org.simantics.application.arguments.SimanticsArguments;
  96 import org.simantics.db.common.Indexing;
  97 import org.simantics.db.indexing.DatabaseIndexing;
  98 import org.simantics.db.procore.server.environment.RebootRequiredException;
  99 import org.simantics.db.procore.server.environment.windows.Product;
 100 import org.simantics.internal.TimedSessionCache;
 101 import org.simantics.project.IProject;
 102 import org.simantics.project.ProjectKeys;
 103 import org.simantics.ui.SimanticsUI;
 104 import org.simantics.ui.jobs.SessionGarbageCollectorJob;
 105 import org.simantics.ui.workbench.PerspectiveBarsActivator;
 106 import org.simantics.ui.workbench.PerspectiveContextActivator;
 107 import org.simantics.utils.logging.TimeLogger;
 108 import org.simantics.utils.threads.ThreadUtils;
 109 import org.simantics.utils.ui.dialogs.ShowError;
 110 import org.simantics.utils.ui.dialogs.ShowMessage;
 111 import org.slf4j.Logger;
 112 import org.slf4j.LoggerFactory;
 113
 114
 115 /**
 116  * @author Tuukka Lehtonen
 117  */
 118 public class SimanticsWorkbenchAdvisor extends WorkbenchAdvisor {
 119
 120     private static final Logger LOGGER = LoggerFactory.getLogger(SimanticsWorkbenchAdvisor.class);
 121
 122     private static final boolean PROFILE_PLATFORM_STARTUP = false;
 123
 124     private static final String SHUT_DOWN_TASK = "Shutting down...";
 125
 126     private static final String SHUT_DOWN_PLATFORM_TASK = "Shutting down platform...";
 127
 128     private static final String WORKBENCH_PREFERENCE_CATEGORY_ID = "org.eclipse.ui.preferencePages.Workbench"; //$NON-NLS-1$
 129
 130     /**
 131      * The dialog setting key to access the known installed features since the
 132      * last time the workbench was run.
 133      */
 134     private static final String INSTALLED_FEATURES = "installedFeatures"; //$NON-NLS-1$
 135
 136     /**
 137      * The arguments received by the application.
 138      */
 139     protected final IArguments args;
 140
 141     protected final boolean restoredPreviousSession = false;
 142
 143     /**
 144      * Only true while opening the initial windows during {@link #openWindows()}.
 145      * Used by {@link SimanticsWorkbenchWindowAdvisor#postWindowOpen()} to
 146      * recognize when to skip all one-time initialization.
 147      */
 148     protected boolean workbenchWindowsInitialized = false;
 149
 150     /**
 151      * Whether or not to save unsaved database changes before exiting the
 152      * workbench.
 153      */
 154     protected boolean saveAtExit = false;
 155
 156     /**
 157      * Ordered map of versioned feature ids -> info that are new for this
 158      * session; <code>null</code> if uninitialized. Key type:
 159      * <code>String</code>, Value type: <code>AboutInfo</code>.
 160      */
 161     private Map<String, AboutInfo> newlyAddedBundleGroups;
 162
 163     /**
 164      * Array of <code>AboutInfo</code> for all new installed features that
 165      * specify a welcome perspective.
 166      */
 167     private AboutInfo[] welcomePerspectiveInfos = null;
 168
 169     /**
 170      * Helper for managing activites in response to workspace changes.
 171      */
 172     private IDEWorkbenchActivityHelper activityHelper = null;
 173
 174     /**
 175      * Helper for managing work that is performed when the system is otherwise
 176      * idle.
 177      */
 178     private IDEIdleHelper idleHelper;
 179
 180     private Listener settingsChangeListener;
 181
 182     /**
 183      * Support class for monitoring workspace changes and periodically
 184      * validating the undo history
 185      */
 186     private WorkspaceUndoMonitor workspaceUndoMonitor;
 187
 188     /**
 189      * The IDE workbench error handler.
 190      */
 191     private AbstractStatusHandler ideWorkbenchErrorHandler;
 192
 193     /**
 194      * Helper class used to process delayed events.
 195      */
 196     private DelayedEventsProcessor delayedEventsProcessor;
 197
 198     /**
 199      * Creates a new workbench advisor instance.
 200      * @param processor
 201      */
 202     public SimanticsWorkbenchAdvisor(IArguments args, DelayedEventsProcessor processor) {
 203         super();
 204         this.args = args;
 205         this.delayedEventsProcessor = processor;
 206
 207         Listener closeListener = new Listener() {
 208             public void handleEvent(Event event) {
 209                 boolean doExit = SimanticsWorkbenchWindowAdvisor.promptOnExit(null);
 210                 event.doit = doExit;
 211                 if (!doExit)
 212                     event.type = SWT.None;
 213             }
 214         };
 215         Display.getDefault().addListener(SWT.Close, closeListener);
 216     }
 217
 218     public IArguments getArguments() {
 219         return args;
 220     }
 221
 222     public boolean workbenchInitialized() {
 223         return workbenchWindowsInitialized;
 224     }
 225
 226     public boolean restoredPreviousSession() {
 227         return restoredPreviousSession;
 228     }
 229
 230     boolean saveAtExit() {
 231         return saveAtExit;
 232     }
 233
 234     void setSaveAtExit(boolean saveAtExit) {
 235         this.saveAtExit = saveAtExit;
 236     }
 237
 238     /*
 239      * (non-Javadoc)
 240      *
 241      * @see org.eclipse.ui.application.WorkbenchAdvisor#initialize
 242      */
 243     @Override
 244     public void initialize(IWorkbenchConfigurer configurer) {
 245         // By default, we always save and restore the workbench state.
 246         configurer.setSaveAndRestore(true);
 247
 248         checkWorkspaceDatabaseIndexes();
 249
 250         // Start tracking the active perspective to activate contexts based on it.
 251         new PerspectiveContextActivator();
 252         new PerspectiveBarsActivator();
 253
 254         // register workspace adapters
 255         IDE.registerAdapters();
 256
 257         // register shared images
 258         declareWorkbenchImages();
 259
 260         // initialize the activity helper
 261         activityHelper = IDEWorkbenchActivityHelper.getInstance();
 262
 263         // initialize idle handler
 264         idleHelper = new IDEIdleHelper(configurer);
 265
 266         // initialize the workspace undo monitor
 267         workspaceUndoMonitor = WorkspaceUndoMonitor.getInstance();
 268
 269         // show Help button in JFace dialogs
 270         TrayDialog.setDialogHelpAvailable(true);
 271
 272         Policy.setComparator(Collator.getInstance());
 273     }
 274
 275     private void checkWorkspaceDatabaseIndexes() {
 276         try {
 277             DatabaseIndexing.validateIndexes();
 278         } catch (IOException e) {
 279             Activator.logError("Problems encountered while checking database indexes, see exception for details.", e);
 280         }
 281     }
 282
 283     public WorkbenchWindowAdvisor createWorkbenchWindowAdvisorClass(SimanticsWorkbenchAdvisor advisor, IWorkbenchWindowConfigurer configurer) {
 284         return new SimanticsWorkbenchWindowAdvisor(this, configurer);
 285     }
 286
 287     @Override
 288     public WorkbenchWindowAdvisor createWorkbenchWindowAdvisor(IWorkbenchWindowConfigurer configurer) {
 289         // Attach database session watchdog.
 290         new SessionWatchdog().attach( Simantics.getSessionContextProvider() );
 291
 292         return createWorkbenchWindowAdvisorClass(this, configurer);
 293     }
 294
 295     /**
 296      * For gaining direct access to super.openWindows() in implementations
 297      * inheriting this one.
 298      */
 299     public boolean openWindowsSuper() {
 300         return super.openWindows();
 301     }
 302
 303     /**
 304      * Sadly we do not know why key bindings are lost and why this helps. But it
 305      * does. Visiting the <code>Keys</code> preference page and pressing OK uses
 306      * this the same call and it seems to salvage the bindings that have been in
 307      * some cases destroyed by <code>BindingToModelProcessor</code>.
 308      *
 309      * <p>
 310      * Related links:
 311      * https://techblog.ralph-schuster.eu/2013/10/13/eclipsee4-problem-with-key-bindings/comment-page-1/
 312      * https://www.eclipse.org/forums/index.php/t/550175/
 313      * https://bugs.eclipse.org/bugs/show_bug.cgi?id=461037
 314      *
 315      * @see platform issue #6353
 316      */
 317     private void fixBindings() {
 318         try {
 319             IBindingService bs = PlatformUI.getWorkbench().getAdapter(IBindingService.class);
 320             bs.savePreferences(bs.getActiveScheme(), bs.getBindings());
 321         } catch (IOException e) {
 322             Activator.logError(getClass().getSimpleName() + ".fixBindings failed", e);
 323         }
 324     }
 325
 326     @Override
 327     public boolean openWindows() {
 328         boolean platformOk = startPlatform();
 329         LOGGER.info("startPlatform finished");
 330         TimeLogger.log("SimanticsWorkbenchAdvisor.startPlatform finished");
 331
 332         if (platformOk) {
 333             // At this point workbenchConfigurer.getSaveAndRestore()
 334             // returns false iff something has gone terribly wrong
 335             // before this. Currently saveAndRestore is always true.
 336             boolean windowsOpened = super.openWindows();
 337             TimeLogger.log("Opened windows");
 338             if (windowsOpened) {
 339                 workbenchWindowsInitialized = true;
 340
 341                 // Start the database garbage collector after a short while.
 342                 SessionGarbageCollectorJob.getInstance().scheduleAfterQuietTime();
 343
 344                 // #6353: Workaround for
 345                 fixBindings();
 346
 347                 return true;
 348             }
 349         }
 350
 351         // Make sure platform shutdown is ran if window opening fails.
 352         try {
 353             platformShutdownRunnable.run(null);
 354         } catch (InvocationTargetException e) {
 355             Activator.logError(getClass().getSimpleName() + ".openWindows failed", e.getCause());
 356         } catch (InterruptedException e) {
 357             Activator.logError(getClass().getSimpleName() + ".openWindows failed", e);
 358         }
 359         return false;
 360     }
 361
 362     protected boolean startPlatform() {
 363         // Verify selected perspective
 364         if (args.contains(SimanticsArguments.PERSPECTIVE)) {
 365             String perspectiveId = args.get(SimanticsArguments.PERSPECTIVE);
 366             IPerspectiveDescriptor perspective = PlatformUI.getWorkbench().getPerspectiveRegistry().findPerspectiveWithId(perspectiveId);
 367             if (perspective == null) {
 368                 StringBuilder msg = new StringBuilder();
 369                 msg.append("Requested perspective not found: '" + perspectiveId + "'\n");
 370                 msg.append("Valid alternatives are:\n");
 371                 for (IPerspectiveDescriptor pd : PlatformUI.getWorkbench().getPerspectiveRegistry().getPerspectives()) {
 372                     msg.append("    " + pd.getId() + "\n");
 373                 }
 374
 375                 ShowMessage.syncShowError("Invalid Perspective", msg.toString());
 376                 return false;
 377             }
 378         }
 379
 380         ILog log = Platform.getLog(Activator.getDefault().getBundle());
 381
 382         try {
 383             //
 384             //
 385             // Create Simantics Platform Helper.
 386             //
 387             // If Simantics is started from Eclipse IDE or with -fixerrors option,
 388             // there is an attempt to fix errors.
 389             //
 390             // On ontology mismatch, there is an attempt to merge new ontology to the
 391             // existing database. With -reinstall, the database is cleaned and
 392             // reinstalled.
 393             //
 394             //
 395
 396             RecoveryPolicy workspacePolicy = Platform.inDevelopmentMode() ? RecoveryPolicy.FixError : RecoveryPolicy.ThrowError;
 397             OntologyRecoveryPolicy ontologyPolicy = Platform.inDevelopmentMode() ? OntologyRecoveryPolicy.Merge : OntologyRecoveryPolicy.ThrowError;
 398
 399             if (args.contains(SimanticsArguments.RECOVERY_POLICY_FIX_ERRORS)) {
 400                 workspacePolicy = RecoveryPolicy.FixError;
 401                 ontologyPolicy = OntologyRecoveryPolicy.Merge;
 402             }
 403
 404             boolean requireSynchronize = true;
 405
 406             if (args.contains(SimanticsArguments.ONTOLOGY_RECOVERY_POLICY_REINSTALL)) {
 407                 ontologyPolicy = OntologyRecoveryPolicy.ReinstallDatabase;
 408             }
 409
 410             if (args.contains(SimanticsArguments.DO_NOT_SYNCHRONIZE_ONTOLOGIES)) {
 411                 requireSynchronize = false;
 412             }
 413
 414             if (args.contains(SimanticsArguments.DISABLE_INDEX)) {
 415                 Indexing.setDefaultDependenciesIndexingEnabled(false);
 416             }
 417
 418             if (args.contains(SimanticsArguments.SERVER)) {
 419                 String serverAddress = args.get(SimanticsArguments.SERVER);
 420                 throw new PlatformException("Argument not supported: " + SimanticsArguments.SERVER + " " + serverAddress);
 421             }
 422
 423             String databaseDriverId = Simantics.getDefaultDatabaseDriver();
 424             if (args.contains(SimanticsArguments.DATABASE_ID)) {
 425                 databaseDriverId = args.get(SimanticsArguments.DATABASE_ID);
 426                 Simantics.setDefaultDatabaseDriver(databaseDriverId);
 427             }
 428
 429             IProgressMonitor mon = null;
 430             if (PROFILE_PLATFORM_STARTUP)
 431                 mon = new TimingProgressMonitor();
 432             SimanticsPlatform.INSTANCE.startUp(databaseDriverId, mon, workspacePolicy, ontologyPolicy, requireSynchronize, new JFaceUserAgent());
 433
 434             // Make sure that the default perspective comes from the project if
 435             // the project has set ProjectKeys#DEFAULT_PERSPECTIVE.
 436             // This might go wrong if project features interact with
 437             // PerspectiveRegistry while configuring themselves, since that will
 438             // cause an invocation to #getInitialWindowPerspectiveId() while
 439             // the project has not yet been properly initialized.
 440             getWorkbenchConfigurer().getWorkbench().getPerspectiveRegistry().setDefaultPerspective(getInitialWindowPerspectiveId());
 441             TimeLogger.log("Completed setting default perspective");
 442
 443             return true;
 444         } catch (CancelStartupException e) {
 445             return false;
 446         } catch (PlatformException e) {
 447             boolean hasStackTrace = e.getStackTrace().length > 0;
 448             Throwable ee = e;
 449             while (ee.getCause() != null) {
 450                 ee = ee.getCause();
 451                 hasStackTrace = ee.getStackTrace().length > 0;
 452             }
 453
 454             log.log(new Status(IStatus.ERROR, Activator.PLUGIN_ID, e.getMessage(), hasStackTrace ? e : null));
 455             if (hasStackTrace) {
 456                 new ShowError("Platform Initialization Failed", "Simantics Platform initialization failed:\n\n" + e.getMessage(), e, true);
 457             } else {
 458                 StringBuilder sb = new StringBuilder(256);
 459                 sb.append(e.getMessage());
 460                 for (Throwable c=e.getCause(); null != c && null != c.getMessage(); c=c.getCause())
 461                     sb.append("\ncause: ").append(c.getMessage());
 462                 new ShowError("Startup Failed", sb.toString(), (Exception) null, true);
 463             }
 464
 465             return false;
 466         } catch (Exception e) {
 467             log.log(new Status(IStatus.ERROR, Activator.PLUGIN_ID, e.getMessage(), e));
 468
 469             Throwable cause = e.getCause();
 470             if (cause instanceof RebootRequiredException) {
 471                 RebootRequiredException rre = (RebootRequiredException) cause;
 472                 StringBuilder msg = new StringBuilder();
 473                 msg.append("The application must be restarted after installing the following products:\n");
 474                 for (Product product : rre.products)
 475                     msg.append("\t" + product + "\n");
 476                 msg.append("\nThe application will now close.");
 477                 MessageDialog.openInformation(null, "Restart Required", msg.toString());
 478             } else {
 479                 new ShowError("Platform Startup Failed", "Simantics Platform startup failed:\n\n" + e.getMessage(), e, true);
 480             }
 481             return false;
 482         }
 483
 484     }
 485
 486     /*
 487      * (non-Javadoc)
 488      *
 489      * @see org.eclipse.ui.application.WorkbenchAdvisor#preStartup()
 490      */
 491     @Override
 492     public void preStartup() {
 493
 494         // Suspend background jobs while we startup
 495         Job.getJobManager().suspend();
 496
 497         // Register the build actions
 498         IProgressService service = PlatformUI.getWorkbench()
 499         .getProgressService();
 500         ImageDescriptor newImage = IDEInternalWorkbenchImages
 501         .getImageDescriptor(IDEInternalWorkbenchImages.IMG_ETOOL_BUILD_EXEC);
 502         service.registerIconForFamily(newImage,
 503                 ResourcesPlugin.FAMILY_MANUAL_BUILD);
 504         service.registerIconForFamily(newImage,
 505                 ResourcesPlugin.FAMILY_AUTO_BUILD);
 506     }
 507
 508     /*
 509      * (non-Javadoc)
 510      *
 511      * @see org.eclipse.ui.application.WorkbenchAdvisor#postStartup()
 512      */
 513     @Override
 514     public void postStartup() {
 515         try {
 516             refreshFromLocal();
 517             activateProxyService();
 518             ((Workbench) PlatformUI.getWorkbench()).registerService(
 519                     ISelectionConversionService.class,
 520                     new IDESelectionConversionService());
 521
 522             initializeSettingsChangeListener();
 523             Display.getCurrent().addListener(SWT.Settings,
 524                     settingsChangeListener);
 525         } finally {// Resume background jobs after we startup
 526             Job.getJobManager().resume();
 527         }
 528     }
 529
 530     /**
 531      * Activate the proxy service by obtaining it.
 532      */
 533     private void activateProxyService() {
 534         Bundle bundle = Platform.getBundle("org.eclipse.ui.ide"); //$NON-NLS-1$
 535         Object proxyService = null;
 536         if (bundle != null) {
 537             ServiceReference<?> ref = bundle.getBundleContext().getServiceReference(IProxyService.class.getName());
 538             if (ref != null)
 539                 proxyService = bundle.getBundleContext().getService(ref);
 540         }
 541         if (proxyService == null) {
 542             IDEWorkbenchPlugin.log("Proxy service could not be found."); //$NON-NLS-1$
 543         }
 544     }
 545
 546     /**
 547      * Initialize the listener for settings changes.
 548      */
 549     private void initializeSettingsChangeListener() {
 550         settingsChangeListener = new Listener() {
 551
 552             boolean currentHighContrast = Display.getCurrent()
 553             .getHighContrast();
 554
 555             @Override
 556             public void handleEvent(org.eclipse.swt.widgets.Event event) {
 557                 if (Display.getCurrent().getHighContrast() == currentHighContrast)
 558                     return;
 559
 560                 currentHighContrast = !currentHighContrast;
 561
 562                 // make sure they really want to do this
 563                 if (new MessageDialog(null,
 564                         IDEWorkbenchMessages.SystemSettingsChange_title, null,
 565                         IDEWorkbenchMessages.SystemSettingsChange_message,
 566                         MessageDialog.QUESTION, new String[] {
 567                         IDEWorkbenchMessages.SystemSettingsChange_yes,
 568                         IDEWorkbenchMessages.SystemSettingsChange_no },
 569                         1).open() == Window.OK) {
 570                     PlatformUI.getWorkbench().restart();
 571                 }
 572             }
 573         };
 574
 575     }
 576
 577     /*
 578      * (non-Javadoc)
 579      *
 580      * @see org.eclipse.ui.application.WorkbenchAdvisor#postShutdown
 581      */
 582     @Override
 583     public void postShutdown() {
 584         if (activityHelper != null) {
 585             activityHelper.shutdown();
 586             activityHelper = null;
 587         }
 588         if (idleHelper != null) {
 589             idleHelper.shutdown();
 590             idleHelper = null;
 591         }
 592         if (workspaceUndoMonitor != null) {
 593             workspaceUndoMonitor.shutdown();
 594             workspaceUndoMonitor = null;
 595         }
 596         if (IDEWorkbenchPlugin.getPluginWorkspace() != null) {
 597             disconnectFromWorkspace();
 598         }
 599     }
 600
 601     /*
 602      * (non-Javadoc)
 603      *
 604      * @see org.eclipse.ui.application.WorkbenchAdvisor#preShutdown()
 605      */
 606     @Override
 607     public boolean preShutdown() {
 608         Display.getCurrent().removeListener(SWT.Settings,
 609                 settingsChangeListener);
 610         return super.preShutdown();
 611     }
 612
 613     /**
 614      * Return true if the intro plugin is present and false otherwise.
 615      *
 616      * @return boolean
 617      */
 618     public boolean hasIntro() {
 619         return getWorkbenchConfigurer().getWorkbench().getIntroManager()
 620                 .hasIntro();
 621     }
 622
 623     private void refreshFromLocal() {
 624         String[] commandLineArgs = Platform.getCommandLineArgs();
 625         IPreferenceStore store = IDEWorkbenchPlugin.getDefault()
 626                 .getPreferenceStore();
 627         boolean refresh = store
 628                 .getBoolean(IDEInternalPreferences.REFRESH_WORKSPACE_ON_STARTUP);
 629         if (!refresh) {
 630             return;
 631         }
 632
 633         // Do not refresh if it was already done by core on startup.
 634         for (int i = 0; i < commandLineArgs.length; i++) {
 635             if (commandLineArgs[i].equalsIgnoreCase("-refresh")) { //$NON-NLS-1$
 636                 return;
 637             }
 638         }
 639
 640         final IContainer root = ResourcesPlugin.getWorkspace().getRoot();
 641         Job job = new WorkspaceJob(IDEWorkbenchMessages.Workspace_refreshing) {
 642             @Override
 643             public IStatus runInWorkspace(IProgressMonitor monitor)
 644                     throws CoreException {
 645                 root.refreshLocal(IResource.DEPTH_INFINITE, monitor);
 646                 return Status.OK_STATUS;
 647             }
 648         };
 649         job.setRule(root);
 650         job.schedule();
 651     }
 652
 653     private static class CancelableProgressMonitorWrapper extends ProgressMonitorWrapper {
 654         private double total = 0;
 655         private ProgressMonitorJobsDialog dialog;
 656
 657         CancelableProgressMonitorWrapper(IProgressMonitor monitor,
 658                 ProgressMonitorJobsDialog dialog) {
 659             super(monitor);
 660             this.dialog = dialog;
 661         }
 662
 663         /*
 664          * (non-Javadoc)
 665          * @see org.eclipse.core.runtime.ProgressMonitorWrapper#internalWorked(double)
 666          */
 667         public void internalWorked(double work) {
 668             super.internalWorked(work);
 669             total += work;
 670             updateProgressDetails();
 671         }
 672
 673         /*
 674          * (non-Javadoc)
 675          * @see org.eclipse.core.runtime.ProgressMonitorWrapper#worked(int)
 676          */
 677         public void worked(int work) {
 678             super.worked(work);
 679             total += work;
 680             updateProgressDetails();
 681         }
 682
 683         public void beginTask(String name, int totalWork) {
 684             super.beginTask(name, totalWork);
 685             subTask(IDEWorkbenchMessages.IDEWorkbenchAdvisor_preHistoryCompaction);
 686         }
 687
 688         private void updateProgressDetails() {
 689             if (!isCanceled() && Math.abs(total - 4.0) < 0.0001 /* right before history compacting */) {
 690                 subTask(IDEWorkbenchMessages.IDEWorkbenchAdvisor_cancelHistoryPruning);
 691                 dialog.setCancelable(true);
 692             }
 693             if (Math.abs(total - 5.0) < 0.0001 /* history compacting finished */) {
 694                 subTask(IDEWorkbenchMessages.IDEWorkbenchAdvisor_postHistoryCompaction);
 695                 dialog.setCancelable(false);
 696             }
 697         }
 698     }
 699
 700     private static class CancelableProgressMonitorJobsDialog extends ProgressMonitorJobsDialog {
 701
 702         public CancelableProgressMonitorJobsDialog(Shell parent) {
 703             super(parent);
 704         }
 705
 706         /*
 707          * (non-Javadoc)
 708          * @see org.eclipse.ui.internal.progress.ProgressMonitorJobsDialog#createDetailsButton(org.eclipse.swt.widgets.Composite)
 709          */
 710         protected void createButtonsForButtonBar(Composite parent) {
 711             super.createButtonsForButtonBar(parent);
 712             registerCancelButtonListener();
 713         }
 714
 715         public void registerCancelButtonListener() {
 716             cancel.addSelectionListener(new SelectionAdapter() {
 717                 public void widgetSelected(SelectionEvent e) {
 718                     subTaskLabel.setText(""); //$NON-NLS-1$
 719                 }
 720             });
 721         }
 722     }
 723
 724
 725     final IRunnableWithProgress platformShutdownRunnable = new IRunnableWithProgress() {
 726         /**
 727          * @param monitor
 728          *            the progress monitor to use for reporting progress to the
 729          *            user, or <code>null</code> indicating that no progress
 730          *            should be reported and the operation cannot be cancelled.
 731          */
 732         @Override
 733         public void run(IProgressMonitor monitor) {
 734             SubMonitor progress = SubMonitor.convert(monitor, SHUT_DOWN_PLATFORM_TASK, 100);
 735             try {
 736                 try {
 737                     progress.subTask("Platform");
 738                     SimanticsPlatform.INSTANCE.shutdown(progress.newChild(50));
 739                 } catch (PlatformException e) {
 740                     Activator.logError("Problems encountered while shutting down Simantics platform, see exception for details.", e);
 741                 }
 742
 743                 progress.subTask("Remaining database connections");
 744                 SimanticsUI.closeSessions();
 745                 progress.worked(20);
 746                 TimedSessionCache.close();
 747                 progress.worked(20);
 748
 749                 progress.subTask("Thread pools");
 750                 ThreadUtils.shutdown();
 751                 progress.worked(5);
 752
 753                 progress.subTask("Clear index status");
 754                 try {
 755                     // Everything ok, clear index dirty state.
 756                     DatabaseIndexing.clearAllDirty();
 757                 } catch (IOException e) {
 758                     Activator.logError("Problems encountered while refreshing database index states, see exception for details.", e);
 759                 }
 760                 progress.worked(5);
 761
 762                 progress.setWorkRemaining(0);
 763             } finally {
 764                 if (monitor != null) {
 765                     monitor.done();
 766                 }
 767             }
 768         }
 769     };
 770
 771     /**
 772      * Disconnect from the workspace and close ProCore sessions.
 773      */
 774     private void disconnectFromWorkspace() {
 775         // save the workspace
 776         final MultiStatus status = new MultiStatus(
 777                 IDEWorkbenchPlugin.IDE_WORKBENCH, 1,
 778                 IDEWorkbenchMessages.ProblemSavingWorkbench, null);
 779
 780         final ProgressMonitorJobsDialog p = new CancelableProgressMonitorJobsDialog(
 781                 null);
 782
 783         final boolean applyPolicy = ResourcesPlugin.getWorkspace()
 784                 .getDescription().isApplyFileStatePolicy();
 785
 786         final IRunnableWithProgress workspaceShutdownRunnable = new IRunnableWithProgress() {
 787             @Override
 788             public void run(IProgressMonitor monitor) {
 789                 try {
 790                     status.merge(((Workspace) ResourcesPlugin.getWorkspace()).save(true, true, monitor));
 791                 } catch (CoreException e) {
 792                     status.merge(e.getStatus());
 793                 }
 794             }
 795         };
 796
 797         IRunnableWithProgress shutdownRunnable = new IRunnableWithProgress() {
 798             @Override
 799             public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
 800                 if (applyPolicy)
 801                     monitor = new CancelableProgressMonitorWrapper(
 802                             monitor, p);
 803
 804                 SubMonitor progress = SubMonitor.convert(monitor, SHUT_DOWN_TASK, 2);
 805                 try {
 806                     workspaceShutdownRunnable.run(progress.newChild(1, SubMonitor.SUPPRESS_NONE));
 807                     platformShutdownRunnable.run(progress.newChild(1, SubMonitor.SUPPRESS_NONE));
 808                 } finally {
 809                     monitor.done();
 810                 }
 811             }
 812         };
 813
 814         try {
 815             new ProgressMonitorJobsDialog(null).run(true, false, shutdownRunnable);
 816         } catch (InvocationTargetException e) {
 817             status.merge(new Status(IStatus.ERROR,
 818                     IDEWorkbenchPlugin.IDE_WORKBENCH, 1,
 819                     IDEWorkbenchMessages.InternalError, e.getTargetException()));
 820         } catch (InterruptedException e) {
 821             status.merge(new Status(IStatus.ERROR,
 822                     IDEWorkbenchPlugin.IDE_WORKBENCH, 1,
 823                     IDEWorkbenchMessages.InternalError, e));
 824         }
 825         ErrorDialog.openError(null,
 826                 IDEWorkbenchMessages.ProblemsSavingWorkspace, null, status,
 827                 IStatus.ERROR | IStatus.WARNING);
 828         if (!status.isOK()) {
 829             IDEWorkbenchPlugin.log(
 830                     IDEWorkbenchMessages.ProblemsSavingWorkspace, status);
 831         }
 832     }
 833
 834     /*
 835      * (non-Javadoc)
 836      *
 837      * @see org.eclipse.ui.application.WorkbenchAdvisor#getDefaultPageInput
 838      */
 839     @Override
 840     public IAdaptable getDefaultPageInput() {
 841         return ResourcesPlugin.getWorkspace().getRoot();
 842     }
 843
 844     /*
 845      * (non-Javadoc)
 846      *
 847      * @see org.eclipse.ui.application.WorkbenchAdvisor
 848      */
 849     @Override
 850     public String getInitialWindowPerspectiveId() {
 851         int index = PlatformUI.getWorkbench().getWorkbenchWindowCount() - 1;
 852
 853         String perspectiveId = null;
 854         AboutInfo[] welcomeInfos = getWelcomePerspectiveInfos();
 855         if (index >= 0 && welcomeInfos != null && index < welcomeInfos.length) {
 856             perspectiveId = welcomeInfos[index].getWelcomePerspectiveId();
 857         }
 858
 859         if (perspectiveId == null && args.contains(SimanticsArguments.PERSPECTIVE)) {
 860             String id = args.get(SimanticsArguments.PERSPECTIVE);
 861             IPerspectiveDescriptor perspective = PlatformUI.getWorkbench().getPerspectiveRegistry().findPerspectiveWithId(id);
 862             if (perspective != null)
 863                 perspectiveId = id;
 864         }
 865
 866         if (perspectiveId == null) {
 867             IProject project = SimanticsUI.peekProject();
 868             if (project != null)
 869                 perspectiveId = project.getHint(ProjectKeys.DEFAULT_PERSPECTIVE);
 870         }
 871
 872         //System.out.println("Initial perspective: " + perspectiveId);
 873
 874         return perspectiveId;
 875     }
 876
 877     /**
 878      * Returns the map of versioned feature ids -> info object for all installed
 879      * features. The format of the versioned feature id (the key of the map) is
 880      * featureId + ":" + versionId.
 881      *
 882      * @return map of versioned feature ids -> info object (key type:
 883      *         <code>String</code>, value type: <code>AboutInfo</code>)
 884      * @since 3.0
 885      */
 886     private Map<String, AboutInfo> computeBundleGroupMap() {
 887         // use tree map to get predicable order
 888         Map<String, AboutInfo> ids = new TreeMap<String, AboutInfo>();
 889
 890         IBundleGroupProvider[] providers = Platform.getBundleGroupProviders();
 891         for (int i = 0; i < providers.length; ++i) {
 892             IBundleGroup[] groups = providers[i].getBundleGroups();
 893             for (int j = 0; j < groups.length; ++j) {
 894                 IBundleGroup group = groups[j];
 895                 AboutInfo info = new AboutInfo(group);
 896
 897                 String version = info.getVersionId();
 898                 version = version == null ? "0.0.0" //$NON-NLS-1$
 899                         : new Version(version).toString();
 900                 String versionedFeature = group.getIdentifier() + ":" + version; //$NON-NLS-1$
 901
 902                 ids.put(versionedFeature, info);
 903             }
 904         }
 905
 906         return ids;
 907     }
 908
 909     /**
 910      * Returns the ordered map of versioned feature ids -> AboutInfo that are
 911      * new for this session.
 912      *
 913      * @return ordered map of versioned feature ids (key type:
 914      *         <code>String</code>) -> infos (value type:
 915      *         <code>AboutInfo</code>).
 916      */
 917     public Map<String, AboutInfo> getNewlyAddedBundleGroups() {
 918         if (newlyAddedBundleGroups == null) {
 919             newlyAddedBundleGroups = createNewBundleGroupsMap();
 920         }
 921         return newlyAddedBundleGroups;
 922     }
 923
 924     /**
 925      * Updates the old features setting and returns a map of new features.
 926      */
 927     private Map<String, AboutInfo> createNewBundleGroupsMap() {
 928         // retrieve list of installed bundle groups from last session
 929         IDialogSettings settings = IDEWorkbenchPlugin.getDefault()
 930                 .getDialogSettings();
 931         String[] previousFeaturesArray = settings.getArray(INSTALLED_FEATURES);
 932
 933         // get a map of currently installed bundle groups and store it for next
 934         // session
 935         Map<String, AboutInfo> bundleGroups = computeBundleGroupMap();
 936         String[] currentFeaturesArray = new String[bundleGroups.size()];
 937         bundleGroups.keySet().toArray(currentFeaturesArray);
 938         settings.put(INSTALLED_FEATURES, currentFeaturesArray);
 939
 940         // remove the previously known from the current set
 941         if (previousFeaturesArray != null) {
 942             for (int i = 0; i < previousFeaturesArray.length; ++i) {
 943                 bundleGroups.remove(previousFeaturesArray[i]);
 944             }
 945         }
 946
 947         return bundleGroups;
 948     }
 949
 950     /**
 951      * Declares all IDE-specific workbench images. This includes both "shared"
 952      * images (named in {@link IDE.SharedImages}) and internal images (named in
 953      * {@link org.eclipse.ui.internal.ide.IDEInternalWorkbenchImages}).
 954      *
 955      * @see IWorkbenchConfigurer#declareImage
 956      */
 957     private void declareWorkbenchImages() {
 958
 959         final String ICONS_PATH = "$nl$/icons/full/";//$NON-NLS-1$
 960         final String PATH_ELOCALTOOL = ICONS_PATH + "elcl16/"; // Enabled //$NON-NLS-1$
 961
 962         // toolbar
 963         // icons.
 964         final String PATH_DLOCALTOOL = ICONS_PATH + "dlcl16/"; // Disabled //$NON-NLS-1$
 965         // //$NON-NLS-1$
 966         // toolbar
 967         // icons.
 968         final String PATH_ETOOL = ICONS_PATH + "etool16/"; // Enabled toolbar //$NON-NLS-1$
 969         // //$NON-NLS-1$
 970         // icons.
 971         final String PATH_DTOOL = ICONS_PATH + "dtool16/"; // Disabled toolbar //$NON-NLS-1$
 972         // //$NON-NLS-1$
 973         // icons.
 974         final String PATH_OBJECT = ICONS_PATH + "obj16/"; // Model object //$NON-NLS-1$
 975         // //$NON-NLS-1$
 976         // icons
 977         final String PATH_WIZBAN = ICONS_PATH + "wizban/"; // Wizard //$NON-NLS-1$
 978         // //$NON-NLS-1$
 979         // icons
 980
 981         Bundle ideBundle = Platform.getBundle(IDEWorkbenchPlugin.IDE_WORKBENCH);
 982
 983         declareWorkbenchImage(ideBundle,
 984                 IDEInternalWorkbenchImages.IMG_ETOOL_BUILD_EXEC, PATH_ETOOL
 985                 + "build_exec.gif", false); //$NON-NLS-1$
 986         declareWorkbenchImage(ideBundle,
 987                 IDEInternalWorkbenchImages.IMG_ETOOL_BUILD_EXEC_HOVER,
 988                 PATH_ETOOL + "build_exec.gif", false); //$NON-NLS-1$
 989         declareWorkbenchImage(ideBundle,
 990                 IDEInternalWorkbenchImages.IMG_ETOOL_BUILD_EXEC_DISABLED,
 991                 PATH_DTOOL + "build_exec.gif", false); //$NON-NLS-1$
 992
 993         declareWorkbenchImage(ideBundle,
 994                 IDEInternalWorkbenchImages.IMG_ETOOL_SEARCH_SRC, PATH_ETOOL
 995                 + "search_src.gif", false); //$NON-NLS-1$
 996         declareWorkbenchImage(ideBundle,
 997                 IDEInternalWorkbenchImages.IMG_ETOOL_SEARCH_SRC_HOVER,
 998                 PATH_ETOOL + "search_src.gif", false); //$NON-NLS-1$
 999         declareWorkbenchImage(ideBundle,
1000                 IDEInternalWorkbenchImages.IMG_ETOOL_SEARCH_SRC_DISABLED,
1001                 PATH_DTOOL + "search_src.gif", false); //$NON-NLS-1$
1002
1003         declareWorkbenchImage(ideBundle,
1004                 IDEInternalWorkbenchImages.IMG_ETOOL_NEXT_NAV, PATH_ETOOL
1005                 + "next_nav.gif", false); //$NON-NLS-1$
1006
1007         declareWorkbenchImage(ideBundle,
1008                 IDEInternalWorkbenchImages.IMG_ETOOL_PREVIOUS_NAV, PATH_ETOOL
1009                 + "prev_nav.gif", false); //$NON-NLS-1$
1010
1011         declareWorkbenchImage(ideBundle,
1012                 IDEInternalWorkbenchImages.IMG_WIZBAN_NEWPRJ_WIZ, PATH_WIZBAN
1013                 + "newprj_wiz.png", false); //$NON-NLS-1$
1014         declareWorkbenchImage(ideBundle,
1015                 IDEInternalWorkbenchImages.IMG_WIZBAN_NEWFOLDER_WIZ,
1016                 PATH_WIZBAN + "newfolder_wiz.png", false); //$NON-NLS-1$
1017         declareWorkbenchImage(ideBundle,
1018                 IDEInternalWorkbenchImages.IMG_WIZBAN_NEWFILE_WIZ, PATH_WIZBAN
1019                 + "newfile_wiz.png", false); //$NON-NLS-1$
1020
1021         declareWorkbenchImage(ideBundle,
1022                 IDEInternalWorkbenchImages.IMG_WIZBAN_IMPORTDIR_WIZ,
1023                 PATH_WIZBAN + "importdir_wiz.png", false); //$NON-NLS-1$
1024         declareWorkbenchImage(ideBundle,
1025                 IDEInternalWorkbenchImages.IMG_WIZBAN_IMPORTZIP_WIZ,
1026                 PATH_WIZBAN + "importzip_wiz.png", false); //$NON-NLS-1$
1027
1028         declareWorkbenchImage(ideBundle,
1029                 IDEInternalWorkbenchImages.IMG_WIZBAN_EXPORTDIR_WIZ,
1030                 PATH_WIZBAN + "exportdir_wiz.png", false); //$NON-NLS-1$
1031         declareWorkbenchImage(ideBundle,
1032                 IDEInternalWorkbenchImages.IMG_WIZBAN_EXPORTZIP_WIZ,
1033                 PATH_WIZBAN + "exportzip_wiz.png", false); //$NON-NLS-1$
1034
1035         declareWorkbenchImage(ideBundle,
1036                 IDEInternalWorkbenchImages.IMG_WIZBAN_RESOURCEWORKINGSET_WIZ,
1037                 PATH_WIZBAN + "workset_wiz.png", false); //$NON-NLS-1$
1038
1039         declareWorkbenchImage(ideBundle,
1040                 IDEInternalWorkbenchImages.IMG_DLGBAN_SAVEAS_DLG, PATH_WIZBAN
1041                 + "saveas_wiz.png", false); //$NON-NLS-1$
1042
1043         declareWorkbenchImage(ideBundle,
1044                 IDEInternalWorkbenchImages.IMG_DLGBAN_QUICKFIX_DLG, PATH_WIZBAN
1045                 + "quick_fix.png", false); //$NON-NLS-1$
1046
1047         declareWorkbenchImage(ideBundle, IDE.SharedImages.IMG_OBJ_PROJECT,
1048                 PATH_OBJECT + "prj_obj.gif", true); //$NON-NLS-1$
1049         declareWorkbenchImage(ideBundle,
1050                 IDE.SharedImages.IMG_OBJ_PROJECT_CLOSED, PATH_OBJECT
1051                 + "cprj_obj.gif", true); //$NON-NLS-1$
1052         declareWorkbenchImage(ideBundle, IDE.SharedImages.IMG_OPEN_MARKER,
1053                 PATH_ELOCALTOOL + "gotoobj_tsk.gif", true); //$NON-NLS-1$
1054
1055         declareWorkbenchImage(ideBundle,
1056                 IDEInternalWorkbenchImages.IMG_ELCL_QUICK_FIX_ENABLED,
1057                 PATH_ELOCALTOOL + "smartmode_co.gif", true); //$NON-NLS-1$
1058
1059         declareWorkbenchImage(ideBundle,
1060                 IDEInternalWorkbenchImages.IMG_DLCL_QUICK_FIX_DISABLED,
1061                 PATH_DLOCALTOOL + "smartmode_co.gif", true); //$NON-NLS-1$
1062
1063         // task objects
1064         // declareRegistryImage(IDEInternalWorkbenchImages.IMG_OBJS_HPRIO_TSK,
1065         // PATH_OBJECT+"hprio_tsk.gif");
1066         // declareRegistryImage(IDEInternalWorkbenchImages.IMG_OBJS_MPRIO_TSK,
1067         // PATH_OBJECT+"mprio_tsk.gif");
1068         // declareRegistryImage(IDEInternalWorkbenchImages.IMG_OBJS_LPRIO_TSK,
1069         // PATH_OBJECT+"lprio_tsk.gif");
1070
1071         declareWorkbenchImage(ideBundle, IDE.SharedImages.IMG_OBJS_TASK_TSK,
1072                 PATH_OBJECT + "taskmrk_tsk.gif", true); //$NON-NLS-1$
1073         declareWorkbenchImage(ideBundle, IDE.SharedImages.IMG_OBJS_BKMRK_TSK,
1074                 PATH_OBJECT + "bkmrk_tsk.gif", true); //$NON-NLS-1$
1075
1076         declareWorkbenchImage(ideBundle,
1077                 IDEInternalWorkbenchImages.IMG_OBJS_COMPLETE_TSK, PATH_OBJECT
1078                 + "complete_tsk.gif", true); //$NON-NLS-1$
1079         declareWorkbenchImage(ideBundle,
1080                 IDEInternalWorkbenchImages.IMG_OBJS_INCOMPLETE_TSK, PATH_OBJECT
1081                 + "incomplete_tsk.gif", true); //$NON-NLS-1$
1082         declareWorkbenchImage(ideBundle,
1083                 IDEInternalWorkbenchImages.IMG_OBJS_WELCOME_ITEM, PATH_OBJECT
1084                 + "welcome_item.gif", true); //$NON-NLS-1$
1085         declareWorkbenchImage(ideBundle,
1086                 IDEInternalWorkbenchImages.IMG_OBJS_WELCOME_BANNER, PATH_OBJECT
1087                 + "welcome_banner.gif", true); //$NON-NLS-1$
1088         declareWorkbenchImage(ideBundle,
1089                 IDEInternalWorkbenchImages.IMG_OBJS_ERROR_PATH, PATH_OBJECT
1090                 + "error_tsk.gif", true); //$NON-NLS-1$
1091         declareWorkbenchImage(ideBundle,
1092                 IDEInternalWorkbenchImages.IMG_OBJS_WARNING_PATH, PATH_OBJECT
1093                 + "warn_tsk.gif", true); //$NON-NLS-1$
1094         declareWorkbenchImage(ideBundle,
1095                 IDEInternalWorkbenchImages.IMG_OBJS_INFO_PATH, PATH_OBJECT
1096                 + "info_tsk.gif", true); //$NON-NLS-1$
1097
1098         declareWorkbenchImage(ideBundle,
1099                 IDEInternalWorkbenchImages.IMG_LCL_FLAT_LAYOUT, PATH_ELOCALTOOL
1100                 + "flatLayout.gif", true); //$NON-NLS-1$
1101         declareWorkbenchImage(ideBundle,
1102                 IDEInternalWorkbenchImages.IMG_LCL_HIERARCHICAL_LAYOUT,
1103                 PATH_ELOCALTOOL + "hierarchicalLayout.gif", true); //$NON-NLS-1$
1104         declareWorkbenchImage(ideBundle,
1105                 IDEInternalWorkbenchImages.IMG_ETOOL_PROBLEM_CATEGORY,
1106                 PATH_ETOOL + "problem_category.gif", true); //$NON-NLS-1$
1107         /*
1108         declareWorkbenchImage(ideBundle,
1109                 IDEInternalWorkbenchImages.IMG_LCL_LINKTO_HELP, PATH_ELOCALTOOL
1110                         + "linkto_help.gif", false); //$NON-NLS-1$
1111          */
1112
1113         // synchronization indicator objects
1114         // declareRegistryImage(IDEInternalWorkbenchImages.IMG_OBJS_WBET_STAT,
1115         // PATH_OVERLAY+"wbet_stat.gif");
1116         // declareRegistryImage(IDEInternalWorkbenchImages.IMG_OBJS_SBET_STAT,
1117         // PATH_OVERLAY+"sbet_stat.gif");
1118         // declareRegistryImage(IDEInternalWorkbenchImages.IMG_OBJS_CONFLICT_STAT,
1119         // PATH_OVERLAY+"conflict_stat.gif");
1120
1121         // content locality indicator objects
1122         // declareRegistryImage(IDEInternalWorkbenchImages.IMG_OBJS_NOTLOCAL_STAT,
1123         // PATH_STAT+"notlocal_stat.gif");
1124         // declareRegistryImage(IDEInternalWorkbenchImages.IMG_OBJS_LOCAL_STAT,
1125         // PATH_STAT+"local_stat.gif");
1126         // declareRegistryImage(IDEInternalWorkbenchImages.IMG_OBJS_FILLLOCAL_STAT,
1127         // PATH_STAT+"filllocal_stat.gif");
1128     }
1129
1130     /**
1131      * Declares an IDE-specific workbench image.
1132      *
1133      * @param symbolicName
1134      *            the symbolic name of the image
1135      * @param path
1136      *            the path of the image file; this path is relative to the base
1137      *            of the IDE plug-in
1138      * @param shared
1139      *            <code>true</code> if this is a shared image, and
1140      *            <code>false</code> if this is not a shared image
1141      * @see IWorkbenchConfigurer#declareImage
1142      */
1143     private void declareWorkbenchImage(Bundle ideBundle, String symbolicName,
1144             String path, boolean shared) {
1145         URL url = FileLocator.find(ideBundle, new Path(path), null);
1146         ImageDescriptor desc = ImageDescriptor.createFromURL(url);
1147         getWorkbenchConfigurer().declareImage(symbolicName, desc, shared);
1148     }
1149
1150     /*
1151      * (non-Javadoc)
1152      *
1153      * @see org.eclipse.ui.application.WorkbenchAdvisor#getMainPreferencePageId
1154      */
1155     @Override
1156     public String getMainPreferencePageId() {
1157         // indicate that we want the Workench preference page to be prominent
1158         return WORKBENCH_PREFERENCE_CATEGORY_ID;
1159     }
1160
1161     /**
1162      * @return the workspace location string, or <code>null</code> if the
1163      *         location is not being shown
1164      */
1165     public String getWorkspaceLocation() {
1166                 // read command line, which has priority
1167                 IEclipseContext context = getWorkbenchConfigurer().getWorkbench().getService(IEclipseContext.class);
1168                 String location = context != null ? (String) context.get(E4Workbench.FORCED_SHOW_LOCATION) : null;
1169                 if (location != null) {
1170                         return location;
1171                 }
1172                 // read the preference
1173                 if (IDEWorkbenchPlugin.getDefault().getPreferenceStore().getBoolean(IDEInternalPreferences.SHOW_LOCATION)) {
1174                         return Platform.getLocation().toOSString();
1175                 }
1176                 return null;
1177     }
1178
1179     /**
1180      * @return the welcome perspective infos, or <code>null</code> if none or
1181      *         if they should be ignored due to the new intro being present
1182      */
1183     public AboutInfo[] getWelcomePerspectiveInfos() {
1184         if (welcomePerspectiveInfos == null) {
1185             // support old welcome perspectives if intro plugin is not present
1186             if (!hasIntro()) {
1187                 Map<String, AboutInfo> m = getNewlyAddedBundleGroups();
1188                 ArrayList<AboutInfo> list = new ArrayList<AboutInfo>(m.size());
1189                 for (Iterator<AboutInfo> i = m.values().iterator(); i.hasNext();) {
1190                     AboutInfo info = i.next();
1191                     if (info != null && info.getWelcomePerspectiveId() != null
1192                             && info.getWelcomePageURL() != null) {
1193                         list.add(info);
1194                     }
1195                 }
1196                 welcomePerspectiveInfos = new AboutInfo[list.size()];
1197                 list.toArray(welcomePerspectiveInfos);
1198             }
1199         }
1200         return welcomePerspectiveInfos;
1201     }
1202
1203     /*
1204      * (non-Javadoc)
1205      *
1206      * @see org.eclipse.ui.application.WorkbenchAdvisor#getWorkbenchErrorHandler()
1207      */
1208     @Override
1209     public AbstractStatusHandler getWorkbenchErrorHandler() {
1210         if (ideWorkbenchErrorHandler == null) {
1211             ideWorkbenchErrorHandler = new IDEWorkbenchErrorHandler(
1212                     getWorkbenchConfigurer());
1213         }
1214         return ideWorkbenchErrorHandler;
1215     }
1216
1217     /* (non-Javadoc)
1218      * @see org.eclipse.ui.application.WorkbenchAdvisor#eventLoopIdle(org.eclipse.swt.widgets.Display)
1219      */
1220     @Override
1221     public void eventLoopIdle(Display display) {
1222         if (delayedEventsProcessor != null)
1223             delayedEventsProcessor.catchUp(display);
1224         super.eventLoopIdle(display);
1225     }
1226
1227 }