tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/views/timegraph/AbstractTimeGraphView.java

   1 /*******************************************************************************
   2  * Copyright (c) 2012, 2016 Ericsson, École Polytechnique de Montréal
   3  *
   4  * All rights reserved. This program and the accompanying materials are
   5  * made available under the terms of the Eclipse Public License v1.0 which
   6  * accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *   Patrick Tasse - Initial API and implementation
  11  *   Bernd Hufmann - Updated signal handling
  12  *   Geneviève Bastien - Move code to provide base classes for time graph view
  13  *   Marc-Andre Laperle - Add time zone preference
  14  *   Geneviève Bastien - Add event links between entries
  15  *******************************************************************************/
  16
  17 package org.eclipse.tracecompass.tmf.ui.views.timegraph;
  18
  19 import static org.eclipse.tracecompass.common.core.NonNullUtils.checkNotNull;
  20
  21 import java.util.ArrayList;
  22 import java.util.Collections;
  23 import java.util.Comparator;
  24 import java.util.HashMap;
  25 import java.util.LinkedHashSet;
  26 import java.util.List;
  27 import java.util.Map;
  28 import java.util.Set;
  29 import java.util.concurrent.CopyOnWriteArrayList;
  30 import java.util.concurrent.atomic.AtomicInteger;
  31 import java.util.regex.Matcher;
  32 import java.util.regex.Pattern;
  33
  34 import org.eclipse.core.resources.IFile;
  35 import org.eclipse.core.resources.IMarker;
  36 import org.eclipse.core.resources.IMarkerDelta;
  37 import org.eclipse.core.resources.IResource;
  38 import org.eclipse.core.resources.IResourceChangeEvent;
  39 import org.eclipse.core.resources.IResourceChangeListener;
  40 import org.eclipse.core.resources.IWorkspaceRunnable;
  41 import org.eclipse.core.resources.ResourcesPlugin;
  42 import org.eclipse.core.runtime.CoreException;
  43 import org.eclipse.core.runtime.IProgressMonitor;
  44 import org.eclipse.core.runtime.NullProgressMonitor;
  45 import org.eclipse.jdt.annotation.NonNull;
  46 import org.eclipse.jdt.annotation.Nullable;
  47 import org.eclipse.jface.action.Action;
  48 import org.eclipse.jface.action.GroupMarker;
  49 import org.eclipse.jface.action.IAction;
  50 import org.eclipse.jface.action.IMenuListener;
  51 import org.eclipse.jface.action.IMenuManager;
  52 import org.eclipse.jface.action.IStatusLineManager;
  53 import org.eclipse.jface.action.IToolBarManager;
  54 import org.eclipse.jface.action.MenuManager;
  55 import org.eclipse.jface.action.Separator;
  56 import org.eclipse.jface.commands.ActionHandler;
  57 import org.eclipse.jface.viewers.AbstractTreeViewer;
  58 import org.eclipse.jface.viewers.ILabelProvider;
  59 import org.eclipse.jface.viewers.ILabelProviderListener;
  60 import org.eclipse.jface.viewers.ISelectionProvider;
  61 import org.eclipse.jface.viewers.ITableLabelProvider;
  62 import org.eclipse.jface.viewers.ITreeContentProvider;
  63 import org.eclipse.jface.viewers.TreeSelection;
  64 import org.eclipse.jface.viewers.TreeViewer;
  65 import org.eclipse.jface.viewers.ViewerFilter;
  66 import org.eclipse.osgi.util.NLS;
  67 import org.eclipse.swt.SWT;
  68 import org.eclipse.swt.events.MenuDetectEvent;
  69 import org.eclipse.swt.events.MenuDetectListener;
  70 import org.eclipse.swt.events.SelectionAdapter;
  71 import org.eclipse.swt.events.SelectionEvent;
  72 import org.eclipse.swt.graphics.Image;
  73 import org.eclipse.swt.graphics.Point;
  74 import org.eclipse.swt.graphics.RGBA;
  75 import org.eclipse.swt.widgets.Composite;
  76 import org.eclipse.swt.widgets.Display;
  77 import org.eclipse.swt.widgets.Menu;
  78 import org.eclipse.swt.widgets.Shell;
  79 import org.eclipse.swt.widgets.Tree;
  80 import org.eclipse.swt.widgets.TreeColumn;
  81 import org.eclipse.tracecompass.internal.tmf.ui.Activator;
  82 import org.eclipse.tracecompass.tmf.core.resources.ITmfMarker;
  83 import org.eclipse.tracecompass.tmf.core.signal.TmfSelectionRangeUpdatedSignal;
  84 import org.eclipse.tracecompass.tmf.core.signal.TmfSignalHandler;
  85 import org.eclipse.tracecompass.tmf.core.signal.TmfTimestampFormatUpdateSignal;
  86 import org.eclipse.tracecompass.tmf.core.signal.TmfTraceClosedSignal;
  87 import org.eclipse.tracecompass.tmf.core.signal.TmfTraceOpenedSignal;
  88 import org.eclipse.tracecompass.tmf.core.signal.TmfTraceSelectedSignal;
  89 import org.eclipse.tracecompass.tmf.core.signal.TmfWindowRangeUpdatedSignal;
  90 import org.eclipse.tracecompass.tmf.core.timestamp.TmfNanoTimestamp;
  91 import org.eclipse.tracecompass.tmf.core.timestamp.TmfTimeRange;
  92 import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace;
  93 import org.eclipse.tracecompass.tmf.core.trace.TmfTraceAdapterManager;
  94 import org.eclipse.tracecompass.tmf.core.trace.TmfTraceContext;
  95 import org.eclipse.tracecompass.tmf.core.trace.TmfTraceManager;
  96 import org.eclipse.tracecompass.tmf.ui.TmfUiRefreshHandler;
  97 import org.eclipse.tracecompass.tmf.ui.signal.TmfTimeViewAlignmentInfo;
  98 import org.eclipse.tracecompass.tmf.ui.views.ITmfTimeAligned;
  99 import org.eclipse.tracecompass.tmf.ui.views.TmfView;
 100 import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.ITimeGraphBookmarkListener;
 101 import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.ITimeGraphContentProvider;
 102 import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.ITimeGraphPresentationProvider2;
 103 import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.ITimeGraphRangeListener;
 104 import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.ITimeGraphSelectionListener;
 105 import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.ITimeGraphTimeListener;
 106 import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.TimeGraphBookmarkEvent;
 107 import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.TimeGraphCombo;
 108 import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.TimeGraphContentProvider;
 109 import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.TimeGraphPresentationProvider;
 110 import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.TimeGraphRangeUpdateEvent;
 111 import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.TimeGraphTimeEvent;
 112 import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.TimeGraphViewer;
 113 import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.ILinkEvent;
 114 import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.IMarkerEvent;
 115 import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.IMarkerEventSource;
 116 import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.ITimeEvent;
 117 import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.ITimeGraphEntry;
 118 import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.MarkerEvent;
 119 import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.TimeGraphEntry;
 120 import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.widgets.TimeGraphControl;
 121 import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.widgets.Utils.TimeFormat;
 122 import org.eclipse.ui.IActionBars;
 123 import org.eclipse.ui.IPartListener;
 124 import org.eclipse.ui.IWorkbenchActionConstants;
 125 import org.eclipse.ui.IWorkbenchPart;
 126 import org.eclipse.ui.PlatformUI;
 127 import org.eclipse.ui.actions.ActionFactory;
 128 import org.eclipse.ui.handlers.IHandlerActivation;
 129 import org.eclipse.ui.handlers.IHandlerService;
 130
 131 /**
 132  * An abstract view all time graph views can inherit
 133  *
 134  * This view contains either a time graph viewer, or a time graph combo which is
 135  * divided between a tree viewer on the left and a time graph viewer on the right.
 136  */
 137 public abstract class AbstractTimeGraphView extends TmfView implements ITmfTimeAligned, IResourceChangeListener {
 138
 139     /** Constant indicating that all levels of the time graph should be expanded */
 140     protected static final int ALL_LEVELS = AbstractTreeViewer.ALL_LEVELS;
 141
 142     private static final Pattern RGBA_PATTERN = Pattern.compile("RGBA \\{(\\d+), (\\d+), (\\d+), (\\d+)\\}"); //$NON-NLS-1$
 143
 144     /**
 145      * Redraw state enum
 146      */
 147     private enum State {
 148         IDLE, BUSY, PENDING
 149     }
 150
 151     // ------------------------------------------------------------------------
 152     // Fields
 153     // ------------------------------------------------------------------------
 154
 155     /** The timegraph wrapper */
 156     private ITimeGraphWrapper fTimeGraphWrapper;
 157
 158     private AtomicInteger fDirty = new AtomicInteger();
 159
 160     private final Object fZoomThreadResultLock = new Object();
 161
 162     /** The selected trace */
 163     private ITmfTrace fTrace;
 164
 165     /** The selected trace editor file*/
 166     private IFile fEditorFile;
 167
 168     /** The timegraph entry list */
 169     private List<TimeGraphEntry> fEntryList;
 170
 171     /** The trace to entry list hash map */
 172     private final Map<ITmfTrace, List<TimeGraphEntry>> fEntryListMap = new HashMap<>();
 173
 174     /** The trace to filters hash map */
 175     private final Map<ITmfTrace, @NonNull ViewerFilter[]> fFiltersMap = new HashMap<>();
 176
 177     /** The trace to view context hash map */
 178     private final Map<ITmfTrace, ViewContext> fViewContext = new HashMap<>();
 179
 180     /** The trace to marker event sources hash map */
 181     private final Map<ITmfTrace, List<IMarkerEventSource>> fMarkerEventSourcesMap = new HashMap<>();
 182
 183     /** The trace to build thread hash map */
 184     private final Map<ITmfTrace, BuildThread> fBuildThreadMap = new HashMap<>();
 185
 186     /** The start time */
 187     private long fStartTime = SWT.DEFAULT;
 188
 189     /** The end time */
 190     private long fEndTime = SWT.DEFAULT;
 191
 192     /** The display width */
 193     private final int fDisplayWidth;
 194
 195     /** The zoom thread */
 196     private ZoomThread fZoomThread;
 197
 198     /** The next resource action */
 199     private Action fNextResourceAction;
 200
 201     /** The previous resource action */
 202     private Action fPreviousResourceAction;
 203
 204     /** A comparator class */
 205     private Comparator<ITimeGraphEntry> fEntryComparator = null;
 206
 207     /** The redraw state used to prevent unnecessary queuing of display runnables */
 208     private State fRedrawState = State.IDLE;
 209
 210     /** The redraw synchronization object */
 211     private final Object fSyncObj = new Object();
 212
 213     /** The presentation provider for this view */
 214     private final TimeGraphPresentationProvider fPresentation;
 215
 216     /** The tree column label array, or null if combo is not used */
 217     private String[] fColumns;
 218
 219     private Comparator<ITimeGraphEntry>[] fColumnComparators;
 220
 221     /** The tree label provider, or null if combo is not used */
 222     private TreeLabelProvider fLabelProvider = null;
 223
 224     /** The time graph content provider */
 225     private @NonNull ITimeGraphContentProvider fTimeGraphContentProvider = new TimeGraphContentProvider();
 226
 227     /** The relative weight of the sash, ignored if combo is not used */
 228     private int[] fWeight = { 1, 3 };
 229
 230     /** The filter column label array, or null if filter is not used */
 231     private String[] fFilterColumns;
 232
 233     /** The pack done flag */
 234     private boolean fPackDone = false;
 235
 236     /** The filter content provider, or null if filter is not used */
 237     private ITreeContentProvider fFilterContentProvider;
 238
 239     /** The filter label provider, or null if filter is not used */
 240     private TreeLabelProvider fFilterLabelProvider;
 241
 242     private int fAutoExpandLevel = ALL_LEVELS;
 243
 244     /** The default column index for sorting */
 245     private int fInitialSortColumn = 0;
 246
 247     /** The default column index for sorting */
 248     private int fCurrentSortColumn = 0;
 249
 250     /** The current sort direction */
 251     private int fSortDirection = SWT.DOWN;
 252
 253     /** Flag to indicate to reveal selection */
 254     private volatile boolean fIsRevealSelection = false;
 255
 256     /**
 257      * Menu Manager for context-sensitive menu for time graph entries.
 258      * This will be used on the tree viewer in case of the time graph combo
 259      * or the on the namespace in case of a single time graph viewer.
 260      */
 261     private final @NonNull MenuManager fEntryMenuManager = new MenuManager();
 262
 263     /** Time Graph View part listener */
 264     private TimeGraphPartListener fPartListener;
 265
 266     /** Action for the find command. There is only one for all Time Graph views */
 267     private static final ShowFindDialogAction FIND_ACTION = new ShowFindDialogAction();
 268
 269     /** The find action handler */
 270     private static ActionHandler fFindActionHandler;
 271
 272     /** The find handler activation */
 273     private static IHandlerActivation fFindHandlerActivation;
 274
 275     /** The find target to use */
 276     private final FindTarget fFindTarget;
 277
 278     // ------------------------------------------------------------------------
 279     // Classes
 280     // ------------------------------------------------------------------------
 281
 282     private interface ITimeGraphWrapper {
 283
 284         void setTimeGraphContentProvider(ITimeGraphContentProvider timeGraphContentProvider);
 285
 286         void setTimeGraphPresentationProvider(TimeGraphPresentationProvider timeGraphPresentationProvider);
 287
 288         TimeGraphViewer getTimeGraphViewer();
 289
 290         void addSelectionListener(ITimeGraphSelectionListener listener);
 291
 292         ISelectionProvider getSelectionProvider();
 293
 294         void setFocus();
 295
 296         boolean isDisposed();
 297
 298         void refresh();
 299
 300         void setInput(Object input);
 301
 302         Object getInput();
 303
 304         void setFilters(@NonNull ViewerFilter[] filters);
 305
 306         @NonNull ViewerFilter[] getFilters();
 307
 308         void redraw();
 309
 310         void update();
 311
 312         void setAutoExpandLevel(int level);
 313
 314         boolean getExpandedState(ITimeGraphEntry entry);
 315
 316         void setExpandedState(ITimeGraphEntry entry, boolean expanded);
 317
 318         void setFilterColumns(String[] columnNames);
 319
 320         void setFilterContentProvider(ITreeContentProvider contentProvider);
 321
 322         void setFilterLabelProvider(ITableLabelProvider labelProvider);
 323
 324         IAction getShowFilterDialogAction();
 325
 326         void performAlign(int offset, int width);
 327
 328         TmfTimeViewAlignmentInfo getTimeViewAlignmentInfo();
 329
 330         int getAvailableWidth(int requestedOffset);
 331
 332         ITimeGraphEntry getSelection();
 333
 334         void setSelection(ITimeGraphEntry selection);
 335
 336         void selectAndReveal(@NonNull ITimeGraphEntry selection);
 337
 338     }
 339
 340     private class TimeGraphViewerWrapper implements ITimeGraphWrapper {
 341         private TimeGraphViewer viewer;
 342
 343         private TimeGraphViewerWrapper(Composite parent, int style) {
 344             viewer = new TimeGraphViewer(parent, style);
 345         }
 346
 347         @Override
 348         public void setTimeGraphContentProvider(ITimeGraphContentProvider timeGraphContentProvider) {
 349             viewer.setTimeGraphContentProvider(timeGraphContentProvider);
 350         }
 351
 352         @Override
 353         public void setTimeGraphPresentationProvider(TimeGraphPresentationProvider timeGraphPresentationProvider) {
 354             viewer.setTimeGraphProvider(timeGraphPresentationProvider);
 355         }
 356
 357         @Override
 358         public TimeGraphViewer getTimeGraphViewer() {
 359             return viewer;
 360         }
 361
 362         @Override
 363         public void addSelectionListener(ITimeGraphSelectionListener listener) {
 364             viewer.addSelectionListener(listener);
 365         }
 366
 367         @Override
 368         public ISelectionProvider getSelectionProvider() {
 369             return viewer.getSelectionProvider();
 370         }
 371
 372         @Override
 373         public void setFocus() {
 374             viewer.setFocus();
 375         }
 376
 377         @Override
 378         public boolean isDisposed() {
 379             return viewer.getControl().isDisposed();
 380         }
 381
 382         @Override
 383         public void setInput(Object input) {
 384             viewer.setInput(input);
 385         }
 386
 387         @Override
 388         public Object getInput() {
 389             return viewer.getInput();
 390         }
 391
 392         @Override
 393         public void setFilterColumns(String[] columnNames) {
 394             viewer.setFilterColumns(columnNames);
 395         }
 396
 397         @Override
 398         public void setFilterContentProvider(ITreeContentProvider contentProvider) {
 399             viewer.setFilterContentProvider(contentProvider);
 400         }
 401
 402         @Override
 403         public void setFilterLabelProvider(ITableLabelProvider labelProvider) {
 404             viewer.setFilterLabelProvider(labelProvider);
 405         }
 406
 407         @Override
 408         public void setFilters(@NonNull ViewerFilter[] filters) {
 409             viewer.setFilters(filters);
 410         }
 411
 412         @Override
 413         public @NonNull ViewerFilter[] getFilters() {
 414             return viewer.getFilters();
 415         }
 416
 417         @Override
 418         public IAction getShowFilterDialogAction() {
 419             return viewer.getShowFilterDialogAction();
 420         }
 421
 422         @Override
 423         public void refresh() {
 424             viewer.refresh();
 425         }
 426
 427         @Override
 428         public void redraw() {
 429             viewer.getControl().redraw();
 430         }
 431
 432         @Override
 433         public void update() {
 434             viewer.getControl().update();
 435         }
 436
 437         @Override
 438         public void setAutoExpandLevel(int level) {
 439             viewer.setAutoExpandLevel(level);
 440         }
 441
 442         @Override
 443         public boolean getExpandedState(ITimeGraphEntry entry) {
 444             return viewer.getExpandedState(entry);
 445         }
 446
 447         @Override
 448         public void setExpandedState(ITimeGraphEntry entry, boolean expanded) {
 449             viewer.setExpandedState(entry, expanded);
 450         }
 451
 452         @Override
 453         public void performAlign(int offset, int width) {
 454             viewer.performAlign(offset, width);
 455         }
 456
 457         @Override
 458         public TmfTimeViewAlignmentInfo getTimeViewAlignmentInfo() {
 459             return viewer.getTimeViewAlignmentInfo();
 460         }
 461
 462         @Override
 463         public int getAvailableWidth(int requestedOffset) {
 464             return viewer.getAvailableWidth(requestedOffset);
 465         }
 466
 467         @Override
 468         public ITimeGraphEntry getSelection() {
 469             return viewer.getSelection();
 470         }
 471
 472         @Override
 473         public void setSelection(ITimeGraphEntry selection) {
 474             viewer.setSelection(selection);
 475         }
 476
 477         @Override
 478         public void selectAndReveal(@NonNull ITimeGraphEntry selection) {
 479             viewer.selectAndReveal(selection);
 480         }
 481     }
 482
 483     private class TimeGraphComboWrapper implements ITimeGraphWrapper {
 484         private TimeGraphCombo combo;
 485
 486         private TimeGraphComboWrapper(Composite parent, int style) {
 487             combo = new TimeGraphCombo(parent, style, fWeight);
 488         }
 489
 490         @Override
 491         public void setTimeGraphContentProvider(ITimeGraphContentProvider timeGraphContentProvider) {
 492             combo.setTimeGraphContentProvider(timeGraphContentProvider);
 493         }
 494
 495         @Override
 496         public void setTimeGraphPresentationProvider(TimeGraphPresentationProvider timeGraphPresentationProvider) {
 497             combo.setTimeGraphProvider(timeGraphPresentationProvider);
 498         }
 499
 500         @Override
 501         public TimeGraphViewer getTimeGraphViewer() {
 502             return combo.getTimeGraphViewer();
 503         }
 504
 505         @Override
 506         public void addSelectionListener(ITimeGraphSelectionListener listener) {
 507             combo.addSelectionListener(listener);
 508         }
 509
 510         @Override
 511         public ISelectionProvider getSelectionProvider() {
 512             return combo.getTreeViewer();
 513         }
 514
 515         @Override
 516         public void setFocus() {
 517             combo.setFocus();
 518         }
 519
 520         @Override
 521         public boolean isDisposed() {
 522             return combo.isDisposed();
 523         }
 524
 525         @Override
 526         public void setInput(Object input) {
 527             combo.setInput(input);
 528         }
 529
 530         @Override
 531         public Object getInput() {
 532             return combo.getInput();
 533         }
 534
 535         @Override
 536         public void setFilterColumns(String[] columnNames) {
 537             combo.setFilterColumns(columnNames);
 538         }
 539
 540         @Override
 541         public void setFilterContentProvider(ITreeContentProvider contentProvider) {
 542             combo.setFilterContentProvider(contentProvider);
 543         }
 544
 545         @Override
 546         public void setFilterLabelProvider(ITableLabelProvider labelProvider) {
 547             combo.setFilterLabelProvider(labelProvider);
 548         }
 549
 550         @Override
 551         public void setFilters(@NonNull ViewerFilter[] filters) {
 552             combo.setFilters(filters);
 553         }
 554
 555         @Override
 556         public @NonNull ViewerFilter[] getFilters() {
 557             return combo.getFilters();
 558         }
 559
 560         @Override
 561         public IAction getShowFilterDialogAction() {
 562             return combo.getShowFilterDialogAction();
 563         }
 564
 565         @Override
 566         public void refresh() {
 567             combo.refresh();
 568         }
 569
 570         @Override
 571         public void redraw() {
 572             combo.redraw();
 573         }
 574
 575         @Override
 576         public void update() {
 577             combo.update();
 578         }
 579
 580         @Override
 581         public void setAutoExpandLevel(int level) {
 582             combo.setAutoExpandLevel(level);
 583         }
 584
 585         @Override
 586         public boolean getExpandedState(ITimeGraphEntry entry) {
 587             return combo.getExpandedState(entry);
 588         }
 589
 590         @Override
 591         public void setExpandedState(ITimeGraphEntry entry, boolean expanded) {
 592             combo.setExpandedState(entry, expanded);
 593         }
 594
 595         TimeGraphCombo getTimeGraphCombo() {
 596             return combo;
 597         }
 598
 599         TreeViewer getTreeViewer() {
 600             return combo.getTreeViewer();
 601         }
 602
 603         @Override
 604         public void performAlign(int offset, int width) {
 605             combo.performAlign(offset, width);
 606         }
 607
 608         @Override
 609         public TmfTimeViewAlignmentInfo getTimeViewAlignmentInfo() {
 610             return combo.getTimeViewAlignmentInfo();
 611         }
 612
 613         @Override
 614         public int getAvailableWidth(int requestedOffset) {
 615             return combo.getAvailableWidth(requestedOffset);
 616         }
 617
 618         @Override
 619         public ITimeGraphEntry getSelection() {
 620             return combo.getTimeGraphViewer().getSelection();
 621         }
 622
 623         @Override
 624         public void setSelection(ITimeGraphEntry selection) {
 625             combo.setSelection(selection);
 626         }
 627
 628         @Override
 629         public void selectAndReveal(@NonNull ITimeGraphEntry selection) {
 630             combo.selectAndReveal(selection);
 631         }
 632     }
 633
 634     /**
 635      * Base class to provide the labels for the tree viewer. Views extending
 636      * this class typically need to override the getColumnText method if they
 637      * have more than one column to display
 638      */
 639     protected static class TreeLabelProvider implements ITableLabelProvider, ILabelProvider {
 640
 641         @Override
 642         public void addListener(ILabelProviderListener listener) {
 643         }
 644
 645         @Override
 646         public void dispose() {
 647         }
 648
 649         @Override
 650         public boolean isLabelProperty(Object element, String property) {
 651             return false;
 652         }
 653
 654         @Override
 655         public void removeListener(ILabelProviderListener listener) {
 656         }
 657
 658         @Override
 659         public Image getColumnImage(Object element, int columnIndex) {
 660             return null;
 661         }
 662
 663         @Override
 664         public String getColumnText(Object element, int columnIndex) {
 665             TimeGraphEntry entry = (TimeGraphEntry) element;
 666             if (columnIndex == 0) {
 667                 return entry.getName();
 668             }
 669             return new String();
 670         }
 671
 672         @Override
 673         public Image getImage(Object element) {
 674             return null;
 675         }
 676
 677         @Override
 678         public String getText(Object element) {
 679             TimeGraphEntry entry = (TimeGraphEntry) element;
 680             return entry.getName();
 681         }
 682
 683     }
 684
 685     private class BuildThread extends Thread {
 686         private final @NonNull ITmfTrace fBuildTrace;
 687         private final @NonNull ITmfTrace fParentTrace;
 688         private final @NonNull IProgressMonitor fMonitor;
 689
 690         public BuildThread(final @NonNull ITmfTrace trace, final @NonNull ITmfTrace parentTrace, final String name) {
 691             super(name + " build"); //$NON-NLS-1$
 692             fBuildTrace = trace;
 693             fParentTrace = parentTrace;
 694             fMonitor = new NullProgressMonitor();
 695         }
 696
 697         @Override
 698         public void run() {
 699             buildEventList(fBuildTrace, fParentTrace, fMonitor);
 700             synchronized (fBuildThreadMap) {
 701                 fBuildThreadMap.remove(fBuildTrace);
 702             }
 703         }
 704
 705         public void cancel() {
 706             fMonitor.setCanceled(true);
 707         }
 708     }
 709
 710     /**
 711      * Zoom thread
 712      * @since 1.1
 713      */
 714     protected abstract class ZoomThread extends Thread {
 715         private final long fZoomStartTime;
 716         private final long fZoomEndTime;
 717         private final long fResolution;
 718         private final @NonNull  IProgressMonitor fMonitor;
 719
 720         /**
 721          * Constructor
 722          *
 723          * @param startTime
 724          *            the start time
 725          * @param endTime
 726          *            the end time
 727          * @param resolution
 728          *            the resolution
 729          */
 730         public ZoomThread(long startTime, long endTime, long resolution) {
 731             super(AbstractTimeGraphView.this.getName() + " zoom"); //$NON-NLS-1$
 732             fZoomStartTime = startTime;
 733             fZoomEndTime = endTime;
 734             fResolution = resolution;
 735             fMonitor = new NullProgressMonitor();
 736         }
 737
 738         /**
 739          * @return the zoom start time
 740          */
 741         public long getZoomStartTime() {
 742             return fZoomStartTime;
 743         }
 744
 745         /**
 746          * @return the zoom end time
 747          */
 748         public long getZoomEndTime() {
 749             return fZoomEndTime;
 750         }
 751
 752         /**
 753          * @return the resolution
 754          */
 755         public long getResolution() {
 756             return fResolution;
 757         }
 758
 759         /**
 760          * @return the monitor
 761          */
 762         public @NonNull IProgressMonitor getMonitor() {
 763             return fMonitor;
 764         }
 765
 766         /**
 767          * Cancel the zoom thread
 768          */
 769         public void cancel() {
 770             fMonitor.setCanceled(true);
 771         }
 772
 773         @Override
 774         public final void run() {
 775             doRun();
 776             fDirty.decrementAndGet();
 777         }
 778
 779         /**
 780          * Applies the results of the ZoomThread calculations.
 781          *
 782          * Note: This method makes sure that only the results of the last
 783          * created ZoomThread are applied.
 784          *
 785          * @param runnable
 786          *            the code to run in order to apply the results
 787          * @since 2.0
 788          */
 789         protected void applyResults(Runnable runnable) {
 790             synchronized (fZoomThreadResultLock) {
 791                 if (this == fZoomThread) {
 792                     runnable.run();
 793                 }
 794             }
 795         }
 796
 797         /**
 798          * Run the zoom operation.
 799          * @since 2.0
 800          */
 801         public abstract void doRun();
 802     }
 803
 804     private class ZoomThreadByEntry extends ZoomThread {
 805         private final @NonNull List<TimeGraphEntry> fZoomEntryList;
 806
 807         public ZoomThreadByEntry(@NonNull List<TimeGraphEntry> entryList, long startTime, long endTime, long resolution) {
 808             super(startTime, endTime, resolution);
 809             fZoomEntryList = entryList;
 810         }
 811
 812         @Override
 813         public void doRun() {
 814             for (TimeGraphEntry entry : fZoomEntryList) {
 815                 if (getMonitor().isCanceled()) {
 816                     return;
 817                 }
 818                 if (entry == null) {
 819                     break;
 820                 }
 821                 zoom(entry, getMonitor());
 822             }
 823             /* Refresh the arrows when zooming */
 824             List<ILinkEvent> events = getLinkList(getZoomStartTime(), getZoomEndTime(), getResolution(), getMonitor());
 825             /* Refresh the view-specific markers when zooming */
 826             List<IMarkerEvent> markers = new ArrayList<>(getViewMarkerList(getZoomStartTime(), getZoomEndTime(), getResolution(), getMonitor()));
 827             /* Refresh the trace-specific markers when zooming */
 828             markers.addAll(getTraceMarkerList(getZoomStartTime(), getZoomEndTime(), getResolution(), getMonitor()));
 829             applyResults(() -> {
 830                 if (events != null) {
 831                     fTimeGraphWrapper.getTimeGraphViewer().setLinks(events);
 832                 }
 833                 fTimeGraphWrapper.getTimeGraphViewer().setMarkers(markers);
 834                 redraw();
 835             });
 836         }
 837
 838         private void zoom(@NonNull TimeGraphEntry entry, @NonNull IProgressMonitor monitor) {
 839             if (getZoomStartTime() <= fStartTime && getZoomEndTime() >= fEndTime) {
 840                 applyResults(() -> {
 841                     entry.setZoomedEventList(null);
 842                 });
 843             } else {
 844                 List<ITimeEvent> zoomedEventList = getEventList(entry, getZoomStartTime(), getZoomEndTime(), getResolution(), monitor);
 845                 if (zoomedEventList != null) {
 846                     applyResults(() -> {
 847                         entry.setZoomedEventList(zoomedEventList);
 848                     });
 849                 }
 850             }
 851             redraw();
 852             for (ITimeGraphEntry child : entry.getChildren()) {
 853                 if (monitor.isCanceled()) {
 854                     return;
 855                 }
 856                 if (child instanceof TimeGraphEntry) {
 857                     zoom((TimeGraphEntry) child, monitor);
 858                 }
 859             }
 860         }
 861
 862     }
 863
 864     // ------------------------------------------------------------------------
 865     // Constructors
 866     // ------------------------------------------------------------------------
 867
 868     /**
 869      * Constructs a time graph view that contains either a time graph viewer or
 870      * a time graph combo.
 871      *
 872      * By default, the view uses a time graph viewer. To use a time graph combo,
 873      * the subclass constructor must call {@link #setTreeColumns(String[])} and
 874      * {@link #setTreeLabelProvider(TreeLabelProvider)}.
 875      *
 876      * @param id
 877      *            The id of the view
 878      * @param pres
 879      *            The presentation provider
 880      */
 881     public AbstractTimeGraphView(String id, TimeGraphPresentationProvider pres) {
 882         super(id);
 883         fPresentation = pres;
 884         fDisplayWidth = Display.getDefault().getBounds().width;
 885         fFindTarget = new FindTarget();
 886     }
 887
 888     // ------------------------------------------------------------------------
 889     // Getters and setters
 890     // ------------------------------------------------------------------------
 891
 892     /**
 893      * Getter for the time graph combo
 894      *
 895      * @return The time graph combo, or null if combo is not used
 896      */
 897     protected TimeGraphCombo getTimeGraphCombo() {
 898         if (fTimeGraphWrapper instanceof TimeGraphComboWrapper) {
 899             return ((TimeGraphComboWrapper) fTimeGraphWrapper).getTimeGraphCombo();
 900         }
 901         return null;
 902     }
 903
 904     /**
 905      * Getter for the time graph viewer
 906      *
 907      * @return The time graph viewer
 908      */
 909     protected TimeGraphViewer getTimeGraphViewer() {
 910         return fTimeGraphWrapper.getTimeGraphViewer();
 911     }
 912
 913     /**
 914      * Getter for the presentation provider
 915      *
 916      * @return The time graph presentation provider
 917      */
 918     protected ITimeGraphPresentationProvider2 getPresentationProvider() {
 919         return fPresentation;
 920     }
 921
 922     /**
 923      * Sets the tree column labels.
 924      * <p>
 925      * This should be called from the constructor.
 926      *
 927      * @param columns
 928      *            The array of tree column labels
 929      */
 930     protected void setTreeColumns(final String[] columns) {
 931         setTreeColumns(columns, null, 0);
 932     }
 933
 934     /**
 935      * Sets the tree column labels.
 936      * <p>
 937      * This should be called from the constructor.
 938      *
 939      * @param columns
 940      *            The array of tree column labels
 941      * @param comparators
 942      *            An array of column comparators for sorting of columns when
 943      *            clicking on column header
 944      * @param initialSortColumn
 945      *            Index of column to sort initially
 946      * @since 2.0
 947      */
 948     protected void setTreeColumns(final String[] columns, final Comparator<ITimeGraphEntry>[] comparators, int initialSortColumn) {
 949         checkPartNotCreated();
 950         fColumns = columns;
 951         fColumnComparators = comparators;
 952         fInitialSortColumn = initialSortColumn;
 953     }
 954
 955     /**
 956      * Sets the tree label provider.
 957      * <p>
 958      * This should be called from the constructor.
 959      *
 960      * @param tlp
 961      *            The tree label provider
 962      */
 963     protected void setTreeLabelProvider(final TreeLabelProvider tlp) {
 964         checkPartNotCreated();
 965         fLabelProvider = tlp;
 966     }
 967
 968     /**
 969      * Sets the time graph content provider.
 970      * <p>
 971      * This should be called from the constructor.
 972      *
 973      * @param tgcp
 974      *            The time graph content provider
 975      * @since 1.0
 976      */
 977     protected void setTimeGraphContentProvider(final @NonNull ITimeGraphContentProvider tgcp) {
 978         checkPartNotCreated();
 979         fTimeGraphContentProvider = tgcp;
 980     }
 981
 982     /**
 983      * Sets the relative weight of each part of the time graph combo.
 984      * <p>
 985      * This should be called from the constructor.
 986      *
 987      * @param weights
 988      *            The array (length 2) of relative weights of each part of the combo
 989      */
 990     protected void setWeight(final int[] weights) {
 991         checkPartNotCreated();
 992         fWeight = weights;
 993     }
 994
 995     /**
 996      * Sets the filter column labels.
 997      * <p>
 998      * This should be called from the constructor.
 999      *
1000      * @param filterColumns
1001      *            The array of filter column labels
1002      */
1003     protected void setFilterColumns(final String[] filterColumns) {
1004         checkPartNotCreated();
1005         fFilterColumns = filterColumns;
1006     }
1007
1008     /**
1009      * Sets the filter content provider.
1010      * <p>
1011      * This should be called from the constructor.
1012      *
1013      * @param contentProvider
1014      *            The filter content provider
1015      * @since 2.0
1016      */
1017     protected void setFilterContentProvider(final ITreeContentProvider contentProvider) {
1018         checkPartNotCreated();
1019         fFilterContentProvider = contentProvider;
1020     }
1021
1022     /**
1023      * Sets the filter label provider.
1024      * <p>
1025      * This should be called from the constructor.
1026      *
1027      * @param labelProvider
1028      *            The filter label provider
1029      */
1030     protected void setFilterLabelProvider(final TreeLabelProvider labelProvider) {
1031         checkPartNotCreated();
1032         fFilterLabelProvider = labelProvider;
1033     }
1034
1035     private void checkPartNotCreated() {
1036         if (getParentComposite() != null) {
1037             throw new IllegalStateException("This method must be called before createPartControl."); //$NON-NLS-1$
1038         }
1039     }
1040
1041     /**
1042      * Gets the display width
1043      *
1044      * @return the display width
1045      */
1046     protected int getDisplayWidth() {
1047         return fDisplayWidth;
1048     }
1049
1050     /**
1051      * Gets the comparator for the entries
1052      *
1053      * @return The entry comparator
1054      */
1055     protected Comparator<ITimeGraphEntry> getEntryComparator() {
1056         return fEntryComparator;
1057     }
1058
1059     /**
1060      * Sets the comparator class for the entries.
1061      * <p>
1062      * This comparator will apply recursively to entries that implement
1063      * {@link TimeGraphEntry#sortChildren(Comparator)}.
1064      *
1065      * @param comparator
1066      *            A comparator object
1067      */
1068     protected void setEntryComparator(final Comparator<ITimeGraphEntry> comparator) {
1069         fEntryComparator = comparator;
1070     }
1071
1072     /**
1073      * Gets the trace displayed in the view
1074      *
1075      * @return The trace
1076      */
1077     protected ITmfTrace getTrace() {
1078         return fTrace;
1079     }
1080
1081     /**
1082      * Gets the start time
1083      *
1084      * @return The start time
1085      */
1086     protected long getStartTime() {
1087         return fStartTime;
1088     }
1089
1090     /**
1091      * Sets the start time
1092      *
1093      * @param time
1094      *            The start time
1095      */
1096     protected void setStartTime(long time) {
1097         fStartTime = time;
1098     }
1099
1100     /**
1101      * Gets the end time
1102      *
1103      * @return The end time
1104      */
1105     protected long getEndTime() {
1106         return fEndTime;
1107     }
1108
1109     /**
1110      * Sets the end time
1111      *
1112      * @param time
1113      *            The end time
1114      */
1115     protected void setEndTime(long time) {
1116         fEndTime = time;
1117     }
1118
1119     /**
1120      * Sets the auto-expand level to be used for the input of the view. The
1121      * value 0 means that there is no auto-expand; 1 means that top-level
1122      * elements are expanded, but not their children; 2 means that top-level
1123      * elements are expanded, and their children, but not grand-children; and so
1124      * on.
1125      * <p>
1126      * The value {@link #ALL_LEVELS} means that all subtrees should be expanded.
1127      * </p>
1128      *
1129      * @param level
1130      *            non-negative level, or <code>ALL_LEVELS</code> to expand all
1131      *            levels of the tree
1132      */
1133     protected void setAutoExpandLevel(int level) {
1134         fAutoExpandLevel = level;
1135         ITimeGraphWrapper tgWrapper = fTimeGraphWrapper;
1136         if (tgWrapper != null) {
1137             tgWrapper.setAutoExpandLevel(level);
1138         }
1139     }
1140
1141     /**
1142      * Gets the entry list for a trace
1143      *
1144      * @param trace
1145      *            the trace
1146      *
1147      * @return the entry list map
1148      */
1149     protected List<TimeGraphEntry> getEntryList(ITmfTrace trace) {
1150         synchronized (fEntryListMap) {
1151             return fEntryListMap.get(trace);
1152         }
1153     }
1154
1155     /**
1156      * Adds a trace entry list to the entry list map
1157      *
1158      * @param trace
1159      *            the trace to add
1160      * @param list
1161      *            the list of time graph entries
1162      */
1163     protected void putEntryList(ITmfTrace trace, List<TimeGraphEntry> list) {
1164         synchronized (fEntryListMap) {
1165             fEntryListMap.put(trace, new CopyOnWriteArrayList<>(list));
1166         }
1167     }
1168
1169     /**
1170      * Adds a list of entries to a trace's entry list
1171      *
1172      * @param trace
1173      *            the trace
1174      * @param list
1175      *            the list of time graph entries to add
1176      */
1177     protected void addToEntryList(ITmfTrace trace, List<TimeGraphEntry> list) {
1178         synchronized (fEntryListMap) {
1179             List<TimeGraphEntry> entryList = fEntryListMap.get(trace);
1180             if (entryList == null) {
1181                 fEntryListMap.put(trace, new CopyOnWriteArrayList<>(list));
1182             } else {
1183                 entryList.addAll(list);
1184             }
1185         }
1186     }
1187
1188     /**
1189      * Removes a list of entries from a trace's entry list
1190      *
1191      * @param trace
1192      *            the trace
1193      * @param list
1194      *            the list of time graph entries to remove
1195      */
1196     protected void removeFromEntryList(ITmfTrace trace, List<TimeGraphEntry> list) {
1197         synchronized (fEntryListMap) {
1198             List<TimeGraphEntry> entryList = fEntryListMap.get(trace);
1199             if (entryList != null) {
1200                 entryList.removeAll(list);
1201             }
1202         }
1203     }
1204
1205     /**
1206      * Text for the "next" button
1207      *
1208      * @return The "next" button text
1209      */
1210     protected String getNextText() {
1211         return Messages.AbstractTimeGraphtView_NextText;
1212     }
1213
1214     /**
1215      * Tooltip for the "next" button
1216      *
1217      * @return Tooltip for the "next" button
1218      */
1219     protected String getNextTooltip() {
1220         return Messages.AbstractTimeGraphView_NextTooltip;
1221     }
1222
1223     /**
1224      * Text for the "Previous" button
1225      *
1226      * @return The "Previous" button text
1227      */
1228     protected String getPrevText() {
1229         return Messages.AbstractTimeGraphView_PreviousText;
1230     }
1231
1232     /**
1233      * Tooltip for the "previous" button
1234      *
1235      * @return Tooltip for the "previous" button
1236      */
1237     protected String getPrevTooltip() {
1238         return Messages.AbstractTimeGraphView_PreviousTooltip;
1239     }
1240
1241
1242     FindTarget getFindTarget() {
1243         return fFindTarget;
1244     }
1245
1246     // ------------------------------------------------------------------------
1247     // ViewPart
1248     // ------------------------------------------------------------------------
1249
1250     @Override
1251     public void createPartControl(Composite parent) {
1252         super.createPartControl(parent);
1253         if (fColumns == null || fLabelProvider == null) {
1254             fTimeGraphWrapper = new TimeGraphViewerWrapper(parent, SWT.NONE);
1255         } else {
1256             TimeGraphComboWrapper wrapper = new TimeGraphComboWrapper(parent, SWT.NONE);
1257             fTimeGraphWrapper = wrapper;
1258             TimeGraphCombo combo = wrapper.getTimeGraphCombo();
1259             combo.setTreeContentProvider(fTimeGraphContentProvider);
1260             combo.setTreeLabelProvider(fLabelProvider);
1261             combo.setTreeColumns(fColumns);
1262             if (fColumnComparators != null) {
1263                 createColumnSelectionListener(combo.getTreeViewer());
1264             }
1265             // Add double click listener to tree viewer
1266             createDoubleClickListener(combo.getTreeViewer());
1267         }
1268         fTimeGraphWrapper.setTimeGraphContentProvider(fTimeGraphContentProvider);
1269         fTimeGraphWrapper.setFilterContentProvider(fFilterContentProvider != null ? fFilterContentProvider : fTimeGraphContentProvider);
1270         fTimeGraphWrapper.setFilterLabelProvider(fFilterLabelProvider);
1271         fTimeGraphWrapper.setFilterColumns(fFilterColumns);
1272
1273         fTimeGraphWrapper.setTimeGraphPresentationProvider(fPresentation);
1274         fTimeGraphWrapper.setAutoExpandLevel(fAutoExpandLevel);
1275
1276         fTimeGraphWrapper.getTimeGraphViewer().addRangeListener(new ITimeGraphRangeListener() {
1277             @Override
1278             public void timeRangeUpdated(TimeGraphRangeUpdateEvent event) {
1279                 final long startTime = event.getStartTime();
1280                 final long endTime = event.getEndTime();
1281                 TmfTimeRange range = new TmfTimeRange(new TmfNanoTimestamp(startTime), new TmfNanoTimestamp(endTime));
1282                 broadcast(new TmfWindowRangeUpdatedSignal(AbstractTimeGraphView.this, range));
1283                 startZoomThread(startTime, endTime);
1284             }
1285         });
1286
1287         fTimeGraphWrapper.getTimeGraphViewer().addTimeListener(new ITimeGraphTimeListener() {
1288             @Override
1289             public void timeSelected(TimeGraphTimeEvent event) {
1290                 TmfNanoTimestamp startTime = new TmfNanoTimestamp(event.getBeginTime());
1291                 TmfNanoTimestamp endTime = new TmfNanoTimestamp(event.getEndTime());
1292                 broadcast(new TmfSelectionRangeUpdatedSignal(AbstractTimeGraphView.this, startTime, endTime));
1293             }
1294         });
1295
1296         fTimeGraphWrapper.getTimeGraphViewer().addBookmarkListener(new ITimeGraphBookmarkListener() {
1297             @Override
1298             public void bookmarkAdded(final TimeGraphBookmarkEvent event) {
1299                 try {
1300                     ResourcesPlugin.getWorkspace().run(new IWorkspaceRunnable() {
1301                         @Override
1302                         public void run(IProgressMonitor monitor) throws CoreException {
1303                             IMarkerEvent bookmark = event.getBookmark();
1304                             IMarker marker = fEditorFile.createMarker(IMarker.BOOKMARK);
1305                             marker.setAttribute(IMarker.MESSAGE, bookmark.getLabel());
1306                             marker.setAttribute(ITmfMarker.MARKER_TIME, Long.toString(bookmark.getTime()));
1307                             if (bookmark.getDuration() > 0) {
1308                                 marker.setAttribute(ITmfMarker.MARKER_DURATION, Long.toString(bookmark.getDuration()));
1309                                 marker.setAttribute(IMarker.LOCATION,
1310                                         NLS.bind(org.eclipse.tracecompass.internal.tmf.ui.Messages.TmfMarker_LocationTimeRange,
1311                                                 new TmfNanoTimestamp(bookmark.getTime()),
1312                                                 new TmfNanoTimestamp(bookmark.getTime() + bookmark.getDuration())));
1313                             } else {
1314                                 marker.setAttribute(IMarker.LOCATION,
1315                                         NLS.bind(org.eclipse.tracecompass.internal.tmf.ui.Messages.TmfMarker_LocationTime,
1316                                                 new TmfNanoTimestamp(bookmark.getTime())));
1317                             }
1318                             marker.setAttribute(ITmfMarker.MARKER_COLOR, bookmark.getColor().toString());
1319                         }
1320                     }, null);
1321                 } catch (CoreException e) {
1322                     Activator.getDefault().logError(e.getMessage());
1323                 }
1324             }
1325
1326             @Override
1327             public void bookmarkRemoved(TimeGraphBookmarkEvent event) {
1328                 try {
1329                     IMarkerEvent bookmark = event.getBookmark();
1330                     IMarker[] markers = fEditorFile.findMarkers(IMarker.BOOKMARK, false, IResource.DEPTH_ZERO);
1331                     for (IMarker marker : markers) {
1332                         if (bookmark.getLabel().equals(marker.getAttribute(IMarker.MESSAGE)) &&
1333                                 Long.toString(bookmark.getTime()).equals(marker.getAttribute(ITmfMarker.MARKER_TIME, (String) null)) &&
1334                                 Long.toString(bookmark.getDuration()).equals(marker.getAttribute(ITmfMarker.MARKER_DURATION, Long.toString(0))) &&
1335                                 bookmark.getColor().toString().equals(marker.getAttribute(ITmfMarker.MARKER_COLOR))) {
1336                             marker.delete();
1337                             break;
1338                         }
1339                     }
1340                 } catch (CoreException e) {
1341                     Activator.getDefault().logError(e.getMessage());
1342                 }
1343             }
1344         });
1345
1346         fTimeGraphWrapper.getTimeGraphViewer().setTimeFormat(TimeFormat.CALENDAR);
1347
1348         IStatusLineManager statusLineManager = getViewSite().getActionBars().getStatusLineManager();
1349         fTimeGraphWrapper.getTimeGraphViewer().getTimeGraphControl().setStatusLineManager(statusLineManager);
1350
1351         // View Action Handling
1352         makeActions();
1353         contributeToActionBars();
1354
1355         ITmfTrace trace = TmfTraceManager.getInstance().getActiveTrace();
1356         if (trace != null) {
1357             traceSelected(new TmfTraceSelectedSignal(this, trace));
1358         }
1359
1360         // make selection available to other views
1361         getSite().setSelectionProvider(fTimeGraphWrapper.getSelectionProvider());
1362
1363         ResourcesPlugin.getWorkspace().addResourceChangeListener(this, IResourceChangeEvent.POST_CHANGE);
1364
1365         createContextMenu();
1366         fPartListener = new TimeGraphPartListener();
1367         getSite().getPage().addPartListener(fPartListener);
1368     }
1369
1370     @Override
1371     public void setFocus() {
1372         fTimeGraphWrapper.setFocus();
1373     }
1374
1375     @Override
1376     public void dispose() {
1377         super.dispose();
1378         ResourcesPlugin.getWorkspace().removeResourceChangeListener(this);
1379         getSite().getPage().removePartListener(fPartListener);
1380     }
1381
1382     /**
1383      * @since 2.0
1384      */
1385     @Override
1386     public void resourceChanged(final IResourceChangeEvent event) {
1387         for (final IMarkerDelta delta : event.findMarkerDeltas(IMarker.BOOKMARK, false)) {
1388             if (delta.getResource().equals(fEditorFile)) {
1389                 fTimeGraphWrapper.getTimeGraphViewer().setBookmarks(refreshBookmarks(fEditorFile));
1390                 redraw();
1391                 return;
1392             }
1393         }
1394     }
1395
1396     private static List<IMarkerEvent> refreshBookmarks(final IFile editorFile) {
1397         List<IMarkerEvent> bookmarks = new ArrayList<>();
1398         if (editorFile == null || !editorFile.exists()) {
1399             return bookmarks;
1400         }
1401         try {
1402             IMarker[] markers = editorFile.findMarkers(IMarker.BOOKMARK, false, IResource.DEPTH_ZERO);
1403             for (IMarker marker : markers) {
1404                 String label = marker.getAttribute(IMarker.MESSAGE, (String) null);
1405                 String time = marker.getAttribute(ITmfMarker.MARKER_TIME, (String) null);
1406                 String duration = marker.getAttribute(ITmfMarker.MARKER_DURATION, Long.toString(0));
1407                 String rgba = marker.getAttribute(ITmfMarker.MARKER_COLOR, (String) null);
1408                 if (label != null && time != null && rgba != null) {
1409                     Matcher matcher = RGBA_PATTERN.matcher(rgba);
1410                     if (matcher.matches()) {
1411                         try {
1412                             int red = Integer.valueOf(matcher.group(1));
1413                             int green = Integer.valueOf(matcher.group(2));
1414                             int blue = Integer.valueOf(matcher.group(3));
1415                             int alpha = Integer.valueOf(matcher.group(4));
1416                             RGBA color = new RGBA(red, green, blue, alpha);
1417                             bookmarks.add(new MarkerEvent(null, Long.valueOf(time), Long.valueOf(duration), IMarkerEvent.BOOKMARKS, color, label, true));
1418                         } catch (NumberFormatException e) {
1419                             Activator.getDefault().logError(e.getMessage());
1420                         }
1421                     }
1422                 }
1423             }
1424         } catch (CoreException e) {
1425             Activator.getDefault().logError(e.getMessage());
1426         }
1427         return bookmarks;
1428     }
1429
1430
1431
1432     // ------------------------------------------------------------------------
1433     // Signal handlers
1434     // ------------------------------------------------------------------------
1435
1436     /**
1437      * Handler for the trace opened signal.
1438      *
1439      * @param signal
1440      *            The incoming signal
1441      */
1442     @TmfSignalHandler
1443     public void traceOpened(TmfTraceOpenedSignal signal) {
1444         loadTrace(signal.getTrace());
1445     }
1446
1447     /**
1448      * Handler for the trace selected signal
1449      *
1450      * @param signal
1451      *            The incoming signal
1452      */
1453     @TmfSignalHandler
1454     public void traceSelected(final TmfTraceSelectedSignal signal) {
1455         if (signal.getTrace() == fTrace) {
1456             return;
1457         }
1458         loadTrace(signal.getTrace());
1459     }
1460
1461     /**
1462      * Trace is closed: clear the data structures and the view
1463      *
1464      * @param signal
1465      *            the signal received
1466      */
1467     @TmfSignalHandler
1468     public void traceClosed(final TmfTraceClosedSignal signal) {
1469         synchronized (fBuildThreadMap) {
1470             for (ITmfTrace trace : getTracesToBuild(signal.getTrace())) {
1471                 BuildThread buildThread = fBuildThreadMap.remove(trace);
1472                 if (buildThread != null) {
1473                     buildThread.cancel();
1474                 }
1475             }
1476         }
1477         fMarkerEventSourcesMap.remove(signal.getTrace());
1478         synchronized (fEntryListMap) {
1479             fEntryListMap.remove(signal.getTrace());
1480         }
1481         fFiltersMap.remove(signal.getTrace());
1482         fViewContext.remove(signal.getTrace());
1483         if (signal.getTrace() == fTrace) {
1484             fTrace = null;
1485             fEditorFile = null;
1486             fStartTime = SWT.DEFAULT;
1487             fEndTime = SWT.DEFAULT;
1488             if (fZoomThread != null) {
1489                 fZoomThread.cancel();
1490                 fZoomThread = null;
1491             }
1492             refresh();
1493         }
1494     }
1495
1496     /**
1497      * Handler for the selection range signal.
1498      *
1499      * @param signal
1500      *            The signal that's received
1501      * @since 1.0
1502      */
1503     @TmfSignalHandler
1504     public void selectionRangeUpdated(final TmfSelectionRangeUpdatedSignal signal) {
1505         if (signal.getSource() == this || fTrace == null) {
1506             return;
1507         }
1508         final long beginTime = signal.getBeginTime().toNanos();
1509         final long endTime = signal.getEndTime().toNanos();
1510
1511         Display.getDefault().asyncExec(new Runnable() {
1512             @Override
1513             public void run() {
1514                 if (fTimeGraphWrapper.isDisposed()) {
1515                     return;
1516                 }
1517                 if (beginTime == endTime) {
1518                     fTimeGraphWrapper.getTimeGraphViewer().setSelectedTime(beginTime, true);
1519                 } else {
1520                     fTimeGraphWrapper.getTimeGraphViewer().setSelectionRange(beginTime, endTime, true);
1521                 }
1522                 synchingToTime(fTimeGraphWrapper.getTimeGraphViewer().getSelectionBegin());
1523             }
1524         });
1525     }
1526
1527     /**
1528      * Handler for the window range signal.
1529      *
1530      * @param signal
1531      *            The signal that's received
1532      * @since 1.0
1533      */
1534     @TmfSignalHandler
1535     public void windowRangeUpdated(final TmfWindowRangeUpdatedSignal signal) {
1536         if (signal.getSource() == this || fTrace == null) {
1537             return;
1538         }
1539         if (signal.getCurrentRange().getIntersection(fTrace.getTimeRange()) == null) {
1540             return;
1541         }
1542         final long startTime = signal.getCurrentRange().getStartTime().toNanos();
1543         final long endTime = signal.getCurrentRange().getEndTime().toNanos();
1544         Display.getDefault().asyncExec(new Runnable() {
1545             @Override
1546             public void run() {
1547                 if (fTimeGraphWrapper.isDisposed()) {
1548                     return;
1549                 }
1550                 fTimeGraphWrapper.getTimeGraphViewer().setStartFinishTime(startTime, endTime);
1551                 startZoomThread(startTime, endTime);
1552             }
1553         });
1554     }
1555
1556     /**
1557      * @param signal the format of the timestamps was updated.
1558      */
1559     @TmfSignalHandler
1560     public void updateTimeFormat( final TmfTimestampFormatUpdateSignal signal){
1561         fTimeGraphWrapper.refresh();
1562     }
1563
1564     // ------------------------------------------------------------------------
1565     // Internal
1566     // ------------------------------------------------------------------------
1567
1568     private void loadTrace(final ITmfTrace trace) {
1569         if (fZoomThread != null) {
1570             fZoomThread.cancel();
1571             fZoomThread = null;
1572         }
1573         if (fTrace != null) {
1574             /* save the filters of the previous trace */
1575             fFiltersMap.put(fTrace, fTimeGraphWrapper.getFilters());
1576             fViewContext.put(fTrace, new ViewContext(fCurrentSortColumn, fSortDirection, fTimeGraphWrapper.getSelection()));
1577         }
1578         fTrace = trace;
1579         restoreViewContext();
1580         fEditorFile = TmfTraceManager.getInstance().getTraceEditorFile(trace);
1581         synchronized (fEntryListMap) {
1582             fEntryList = fEntryListMap.get(fTrace);
1583             if (fEntryList == null) {
1584                 rebuild();
1585             } else {
1586                 fStartTime = fTrace.getStartTime().toNanos();
1587                 fEndTime = fTrace.getEndTime().toNanos();
1588                 refresh();
1589             }
1590         }
1591     }
1592
1593     /**
1594      * Forces a rebuild of the entries list, even if entries already exist for this trace
1595      */
1596     protected void rebuild() {
1597         setStartTime(Long.MAX_VALUE);
1598         setEndTime(Long.MIN_VALUE);
1599         refresh();
1600         ITmfTrace viewTrace = fTrace;
1601         if (viewTrace == null) {
1602             return;
1603         }
1604         List<IMarkerEventSource> markerEventSources = new ArrayList<>();
1605         synchronized (fBuildThreadMap) {
1606             for (ITmfTrace trace : getTracesToBuild(viewTrace)) {
1607                 if (trace == null) {
1608                     break;
1609                 }
1610                 markerEventSources.addAll(TmfTraceAdapterManager.getAdapters(trace, IMarkerEventSource.class));
1611                 BuildThread buildThread = new BuildThread(trace, viewTrace, getName());
1612                 fBuildThreadMap.put(trace, buildThread);
1613                 buildThread.start();
1614             }
1615         }
1616         fMarkerEventSourcesMap.put(viewTrace, markerEventSources);
1617     }
1618
1619     /**
1620      * Method called when synching to a given timestamp. Inheriting classes can
1621      * perform actions here to update the view at the given timestamp.
1622      *
1623      * @param time
1624      *            The currently selected time
1625      */
1626     protected void synchingToTime(long time) {
1627
1628     }
1629
1630     /**
1631      * Return the list of traces whose data or analysis results will be used to
1632      * populate the view. By default, if the trace is an experiment, the traces
1633      * under it will be returned, otherwise, the trace itself is returned.
1634      *
1635      * A build thread will be started for each trace returned by this method,
1636      * some of which may receive events in live streaming mode.
1637      *
1638      * @param trace
1639      *            The trace associated with this view
1640      * @return List of traces with data to display
1641      */
1642     protected @NonNull Iterable<ITmfTrace> getTracesToBuild(@NonNull ITmfTrace trace) {
1643         return TmfTraceManager.getTraceSet(trace);
1644     }
1645
1646     /**
1647      * Build the entries list to show in this time graph
1648      *
1649      * Called from the BuildThread
1650      *
1651      * @param trace
1652      *            The trace being built
1653      * @param parentTrace
1654      *            The parent of the trace set, or the trace itself
1655      * @param monitor
1656      *            The progress monitor object
1657      */
1658     protected abstract void buildEventList(@NonNull ITmfTrace trace, @NonNull ITmfTrace parentTrace, @NonNull IProgressMonitor monitor);
1659
1660     /**
1661      * Gets the list of event for an entry in a given timerange
1662      *
1663      * @param entry
1664      *            The entry to get events for
1665      * @param startTime
1666      *            Start of the time range
1667      * @param endTime
1668      *            End of the time range
1669      * @param resolution
1670      *            The resolution
1671      * @param monitor
1672      *            The progress monitor object
1673      * @return The list of events for the entry
1674      */
1675     protected abstract @Nullable List<@NonNull ITimeEvent> getEventList(@NonNull TimeGraphEntry entry,
1676             long startTime, long endTime, long resolution,
1677             @NonNull IProgressMonitor monitor);
1678
1679     /**
1680      * Gets the list of links (displayed as arrows) for a trace in a given
1681      * timerange.  Default implementation returns an empty list.
1682      *
1683      * @param startTime
1684      *            Start of the time range
1685      * @param endTime
1686      *            End of the time range
1687      * @param resolution
1688      *            The resolution
1689      * @param monitor
1690      *            The progress monitor object
1691      * @return The list of link events
1692      */
1693     protected @Nullable List<@NonNull ILinkEvent> getLinkList(long startTime, long endTime,
1694             long resolution, @NonNull IProgressMonitor monitor) {
1695         return new ArrayList<>();
1696     }
1697
1698     /**
1699      * Gets the list of view-specific marker categories. Default implementation
1700      * returns an empty list.
1701      *
1702      * @return The list of marker categories
1703      * @since 2.0
1704      */
1705     protected @NonNull List<String> getViewMarkerCategories() {
1706         return new ArrayList<>();
1707     }
1708
1709     /**
1710      * Gets the list of view-specific markers for a trace in a given time range.
1711      * Default implementation returns an empty list.
1712      *
1713      * @param startTime
1714      *            Start of the time range
1715      * @param endTime
1716      *            End of the time range
1717      * @param resolution
1718      *            The resolution
1719      * @param monitor
1720      *            The progress monitor object
1721      * @return The list of marker events
1722      * @since 2.0
1723      */
1724     protected @NonNull List<IMarkerEvent> getViewMarkerList(long startTime, long endTime,
1725             long resolution, @NonNull IProgressMonitor monitor) {
1726         return new ArrayList<>();
1727     }
1728
1729     /**
1730      * Gets the list of trace-specific markers for a trace in a given time range.
1731      *
1732      * @param startTime
1733      *            Start of the time range
1734      * @param endTime
1735      *            End of the time range
1736      * @param resolution
1737      *            The resolution
1738      * @param monitor
1739      *            The progress monitor object
1740      * @return The list of marker events
1741      * @since 2.0
1742      */
1743     protected @NonNull List<IMarkerEvent> getTraceMarkerList(long startTime, long endTime,
1744             long resolution, @NonNull IProgressMonitor monitor) {
1745         List<IMarkerEvent> markers = new ArrayList<>();
1746         for (IMarkerEventSource markerEventSource : getMarkerEventSources(fTrace)) {
1747             for (String category : markerEventSource.getMarkerCategories()) {
1748                 if (monitor.isCanceled()) {
1749                     break;
1750                 }
1751                 markers.addAll(markerEventSource.getMarkerList(category, startTime, endTime, resolution, monitor));
1752             }
1753         }
1754         return markers;
1755     }
1756
1757     /**
1758      * Get the list of current marker categories.
1759      *
1760      * @return The list of marker categories
1761      * @since 2.0
1762      */
1763     private @NonNull List<String> getMarkerCategories() {
1764         Set<String> categories = new LinkedHashSet<>(getViewMarkerCategories());
1765         for (IMarkerEventSource markerEventSource : getMarkerEventSources(fTrace)) {
1766             categories.addAll(markerEventSource.getMarkerCategories());
1767         }
1768         return new ArrayList<>(categories);
1769     }
1770
1771     /**
1772      * Gets the list of marker event sources for a given trace.
1773      *
1774      * @param trace
1775      *            The trace
1776      * @return The list of marker event sources
1777      * @since 2.0
1778      */
1779     private @NonNull List<IMarkerEventSource> getMarkerEventSources(ITmfTrace trace) {
1780         List<IMarkerEventSource> markerEventSources = fMarkerEventSourcesMap.get(trace);
1781         if (markerEventSources == null) {
1782             markerEventSources = Collections.emptyList();
1783         }
1784         return markerEventSources;
1785     }
1786
1787     /**
1788      * Refresh the display
1789      */
1790     protected void refresh() {
1791         final boolean zoomThread = Thread.currentThread() instanceof ZoomThread;
1792         TmfUiRefreshHandler.getInstance().queueUpdate(this, new Runnable() {
1793             @Override
1794             public void run() {
1795                 if (fTimeGraphWrapper.isDisposed()) {
1796                     return;
1797                 }
1798                 fDirty.incrementAndGet();
1799
1800                 boolean hasEntries = false;
1801                 synchronized (fEntryListMap) {
1802                     fEntryList = fEntryListMap.get(fTrace);
1803                     if (fEntryList == null) {
1804                         fEntryList = new CopyOnWriteArrayList<>();
1805                     } else if (fEntryComparator != null) {
1806                         List<TimeGraphEntry> list = new ArrayList<>(fEntryList);
1807                         Collections.sort(list, fEntryComparator);
1808                         for (ITimeGraphEntry entry : list) {
1809                             sortChildren(entry, fEntryComparator);
1810                         }
1811                         fEntryList.clear();
1812                         fEntryList.addAll(list);
1813                     }
1814                     hasEntries = !fEntryList.isEmpty();
1815                 }
1816                 boolean inputChanged = fEntryList != fTimeGraphWrapper.getInput();
1817                 TimeGraphCombo combo = getTimeGraphCombo();
1818                 try {
1819                     // Set redraw to false to only draw once
1820                     if (combo != null) {
1821                         combo.getTreeViewer().getTree().setRedraw(false);
1822                     }
1823                     getTimeGraphViewer().getTimeGraphControl().setRedraw(false);
1824                     if (inputChanged) {
1825                         fTimeGraphWrapper.setInput(fEntryList);
1826                         /* restore the previously saved filters, if any */
1827                         fTimeGraphWrapper.setFilters(fFiltersMap.get(fTrace));
1828                         fTimeGraphWrapper.getTimeGraphViewer().setLinks(null);
1829                         fTimeGraphWrapper.getTimeGraphViewer().setBookmarks(refreshBookmarks(fEditorFile));
1830                         fTimeGraphWrapper.getTimeGraphViewer().setMarkerCategories(getMarkerCategories());
1831                         fTimeGraphWrapper.getTimeGraphViewer().setMarkers(null);
1832                         applyViewContext();
1833                     } else {
1834                         fTimeGraphWrapper.refresh();
1835                     }
1836                     // reveal selection
1837                     if (fIsRevealSelection) {
1838                         fIsRevealSelection = false;
1839                         ITimeGraphEntry entry1 = fTimeGraphWrapper.getSelection();
1840                         fTimeGraphWrapper.setSelection(entry1);
1841                     }
1842                 } finally {
1843                     if (combo != null) {
1844                         combo.getTreeViewer().getTree().setRedraw(true);
1845                     }
1846                     getTimeGraphViewer().getTimeGraphControl().setRedraw(true);
1847                 }
1848                 long startBound = (fStartTime == Long.MAX_VALUE ? SWT.DEFAULT : fStartTime);
1849                 long endBound = (fEndTime == Long.MIN_VALUE ? SWT.DEFAULT : fEndTime);
1850                 fTimeGraphWrapper.getTimeGraphViewer().setTimeBounds(startBound, endBound);
1851
1852                 TmfTraceContext ctx = TmfTraceManager.getInstance().getCurrentTraceContext();
1853                 long selectionBeginTime = fTrace == null ? SWT.DEFAULT : ctx.getSelectionRange().getStartTime().toNanos();
1854                 long selectionEndTime = fTrace == null ? SWT.DEFAULT : ctx.getSelectionRange().getEndTime().toNanos();
1855                 long startTime = fTrace == null ? SWT.DEFAULT : ctx.getWindowRange().getStartTime().toNanos();
1856                 long endTime = fTrace == null ? SWT.DEFAULT : ctx.getWindowRange().getEndTime().toNanos();
1857                 startTime = (fStartTime == Long.MAX_VALUE ? SWT.DEFAULT : Math.max(startTime, fStartTime));
1858                 endTime = (fEndTime == Long.MIN_VALUE ? SWT.DEFAULT : Math.min(endTime, fEndTime));
1859                 fTimeGraphWrapper.getTimeGraphViewer().setSelectionRange(selectionBeginTime, selectionEndTime, false);
1860                 fTimeGraphWrapper.getTimeGraphViewer().setStartFinishTime(startTime, endTime);
1861
1862                 if (inputChanged && selectionBeginTime != SWT.DEFAULT) {
1863                     synchingToTime(selectionBeginTime);
1864                 }
1865
1866                 if (fTimeGraphWrapper instanceof TimeGraphComboWrapper && !fPackDone) {
1867                     for (TreeColumn column : ((TimeGraphComboWrapper) fTimeGraphWrapper).getTreeViewer().getTree().getColumns()) {
1868                         column.pack();
1869                     }
1870                     if (hasEntries) {
1871                         fPackDone = true;
1872                     }
1873                 }
1874
1875                 if (!zoomThread) {
1876                     startZoomThread(startTime, endTime);
1877                 }
1878                 fDirty.decrementAndGet();
1879             }
1880         });
1881     }
1882
1883     /**
1884      * Redraw the canvas
1885      */
1886     protected void redraw() {
1887         synchronized (fSyncObj) {
1888             if (fRedrawState == State.IDLE) {
1889                 fRedrawState = State.BUSY;
1890             } else {
1891                 fRedrawState = State.PENDING;
1892                 return;
1893             }
1894         }
1895         Display.getDefault().asyncExec(new Runnable() {
1896             @Override
1897             public void run() {
1898                 if (fTimeGraphWrapper.isDisposed()) {
1899                     return;
1900                 }
1901                 fTimeGraphWrapper.redraw();
1902                 fTimeGraphWrapper.update();
1903                 synchronized (fSyncObj) {
1904                     if (fRedrawState == State.PENDING) {
1905                         fRedrawState = State.IDLE;
1906                         redraw();
1907                     } else {
1908                         fRedrawState = State.IDLE;
1909                     }
1910                 }
1911             }
1912         });
1913     }
1914
1915     private void sortChildren(ITimeGraphEntry entry, Comparator<ITimeGraphEntry> comparator) {
1916         if (entry instanceof TimeGraphEntry) {
1917             ((TimeGraphEntry) entry).sortChildren(comparator);
1918         }
1919         for (ITimeGraphEntry child : entry.getChildren()) {
1920             sortChildren(child, comparator);
1921         }
1922     }
1923
1924     /**
1925      * Start or restart the zoom thread.
1926      *
1927      * @param startTime
1928      *            the zoom start time
1929      * @param endTime
1930      *            the zoom end time
1931      * @since 2.0
1932      */
1933     protected final void startZoomThread(long startTime, long endTime) {
1934         long clampedStartTime = Math.min(Math.max(startTime, fStartTime), fEndTime);
1935         long clampedEndTime = Math.max(Math.min(endTime, fEndTime), fStartTime);
1936         fDirty.incrementAndGet();
1937         boolean restart = false;
1938         if (fZoomThread != null) {
1939             fZoomThread.cancel();
1940             if (fZoomThread.fZoomStartTime == clampedStartTime && fZoomThread.fZoomEndTime == clampedEndTime) {
1941                 restart = true;
1942             }
1943         }
1944         long resolution = Math.max(1, (clampedEndTime - clampedStartTime) / fDisplayWidth);
1945         fZoomThread = createZoomThread(clampedStartTime, clampedEndTime, resolution, restart);
1946         if (fZoomThread != null) {
1947             // Don't start a new thread right away if results are being applied
1948             // from an old ZoomThread. Otherwise, the old results might
1949             // overwrite the new results if it finishes after.
1950             synchronized (fZoomThreadResultLock) {
1951                 fZoomThread.start();
1952             }
1953         } else {
1954             fDirty.decrementAndGet();
1955         }
1956     }
1957
1958     /**
1959      * Create a zoom thread.
1960      *
1961      * @param startTime
1962      *            the zoom start time
1963      * @param endTime
1964      *            the zoom end time
1965      * @param resolution
1966      *            the resolution
1967      * @param restart
1968      *            true if restarting zoom for the same time range
1969      * @return a zoom thread
1970      * @since 1.1
1971      */
1972     protected @Nullable ZoomThread createZoomThread(long startTime, long endTime, long resolution, boolean restart) {
1973         final List<TimeGraphEntry> entryList = fEntryList;
1974         if (entryList == null) {
1975             return null;
1976         }
1977         return new ZoomThreadByEntry(entryList, startTime, endTime, resolution);
1978     }
1979
1980     private void makeActions() {
1981         fPreviousResourceAction = fTimeGraphWrapper.getTimeGraphViewer().getPreviousItemAction();
1982         fPreviousResourceAction.setText(getPrevText());
1983         fPreviousResourceAction.setToolTipText(getPrevTooltip());
1984         fNextResourceAction = fTimeGraphWrapper.getTimeGraphViewer().getNextItemAction();
1985         fNextResourceAction.setText(getNextText());
1986         fNextResourceAction.setToolTipText(getNextTooltip());
1987     }
1988
1989     private void contributeToActionBars() {
1990         IActionBars bars = getViewSite().getActionBars();
1991         fillLocalToolBar(bars.getToolBarManager());
1992         fillLocalMenu(bars.getMenuManager());
1993     }
1994
1995     /**
1996      * Add actions to local tool bar manager
1997      *
1998      * @param manager the tool bar manager
1999      */
2000     protected void fillLocalToolBar(IToolBarManager manager) {
2001         if (fFilterColumns != null && fFilterLabelProvider != null && fFilterColumns.length > 0) {
2002             manager.add(fTimeGraphWrapper.getShowFilterDialogAction());
2003         }
2004         manager.add(fTimeGraphWrapper.getTimeGraphViewer().getShowLegendAction());
2005         manager.add(new Separator());
2006         manager.add(fTimeGraphWrapper.getTimeGraphViewer().getResetScaleAction());
2007         manager.add(fTimeGraphWrapper.getTimeGraphViewer().getPreviousEventAction());
2008         manager.add(fTimeGraphWrapper.getTimeGraphViewer().getNextEventAction());
2009         manager.add(new Separator());
2010         manager.add(fTimeGraphWrapper.getTimeGraphViewer().getToggleBookmarkAction());
2011         manager.add(fTimeGraphWrapper.getTimeGraphViewer().getPreviousMarkerAction());
2012         manager.add(fTimeGraphWrapper.getTimeGraphViewer().getNextMarkerAction());
2013         manager.add(new Separator());
2014         manager.add(fPreviousResourceAction);
2015         manager.add(fNextResourceAction);
2016         manager.add(fTimeGraphWrapper.getTimeGraphViewer().getZoomInAction());
2017         manager.add(fTimeGraphWrapper.getTimeGraphViewer().getZoomOutAction());
2018         manager.add(new Separator());
2019     }
2020
2021     /**
2022      * Add actions to local menu manager
2023      *
2024      * @param manager the tool bar manager
2025      * @since 2.0
2026      */
2027     protected void fillLocalMenu(IMenuManager manager) {
2028         manager.add(fTimeGraphWrapper.getTimeGraphViewer().getMarkersMenu());
2029     }
2030
2031     /**
2032      * @since 1.0
2033      */
2034     @Override
2035     public TmfTimeViewAlignmentInfo getTimeViewAlignmentInfo() {
2036         if (fTimeGraphWrapper == null) {
2037             return null;
2038         }
2039         return fTimeGraphWrapper.getTimeViewAlignmentInfo();
2040     }
2041
2042     /**
2043      * @since 1.0
2044      */
2045     @Override
2046     public int getAvailableWidth(int requestedOffset) {
2047         if (fTimeGraphWrapper == null) {
2048             return 0;
2049         }
2050         return fTimeGraphWrapper.getAvailableWidth(requestedOffset);
2051     }
2052
2053     /**
2054      * @since 1.0
2055      */
2056     @Override
2057     public void performAlign(int offset, int width) {
2058         if (fTimeGraphWrapper != null) {
2059             fTimeGraphWrapper.performAlign(offset, width);
2060         }
2061     }
2062
2063     /**
2064      * Returns whether or not the time graph view is dirty. The time graph view
2065      * is considered dirty if it has yet to completely update its model.
2066      *
2067      * This method is meant to be used by tests in order to know when it is safe
2068      * to proceed.
2069      *
2070      * Note: If a trace is smaller than the initial window range (see
2071      * {@link ITmfTrace#getInitialRangeOffset}) this method will return true
2072      * forever.
2073      *
2074      * @return true if the time graph view has yet to completely update its
2075      *         model, false otherwise
2076      * @since 2.0
2077      */
2078     public boolean isDirty() {
2079         if (fTrace == null) {
2080             return false;
2081         }
2082
2083         TmfTraceContext ctx = TmfTraceManager.getInstance().getCurrentTraceContext();
2084         long startTime = ctx.getWindowRange().getStartTime().toNanos();
2085         long endTime = ctx.getWindowRange().getEndTime().toNanos();
2086
2087         // If the time graph control hasn't updated all the way to the end of
2088         // the window range then it's dirty. A refresh should happen later.
2089         if (fTimeGraphWrapper.getTimeGraphViewer().getTime0() != startTime || fTimeGraphWrapper.getTimeGraphViewer().getTime1() != endTime) {
2090             return true;
2091         }
2092
2093         if (fZoomThread == null) {
2094             // The zoom thread is null but we might be just about to create it (refresh called).
2095             return fDirty.get() != 0;
2096         }
2097         // Dirty if the zoom thread is not done or if it hasn't zoomed all the
2098         // way to the end of the window range. In the latter case, there should be
2099         // a subsequent zoom thread that will be triggered.
2100         return fDirty.get() != 0 || fZoomThread.getZoomStartTime() != startTime || fZoomThread.getZoomEndTime() != endTime;
2101     }
2102
2103     private void createColumnSelectionListener(TreeViewer treeViewer) {
2104         for (int i = 0; i < fColumnComparators.length; i++) {
2105             final int index = i;
2106             final Comparator<ITimeGraphEntry> comp = fColumnComparators[index];
2107             final Tree tree = treeViewer.getTree();
2108             final TreeColumn column = tree.getColumn(i);
2109
2110             if (comp != null) {
2111                 column.addSelectionListener(new SelectionAdapter() {
2112                     @Override
2113                     public void widgetSelected(SelectionEvent e) {
2114                         TreeColumn prevSortcolumn = tree.getSortColumn();
2115                         int direction = tree.getSortDirection();
2116                         if (prevSortcolumn == column) {
2117                             direction = (direction == SWT.DOWN) ? SWT.UP : SWT.DOWN;
2118                         } else {
2119                             direction = SWT.DOWN;
2120                         }
2121                         tree.setSortColumn(column);
2122                         tree.setSortDirection(direction);
2123                         fSortDirection = direction;
2124                         fCurrentSortColumn = index;
2125                         Comparator<ITimeGraphEntry> comparator = comp;
2126
2127                         if (comparator instanceof ITimeGraphEntryComparator) {
2128                             ((ITimeGraphEntryComparator) comparator).setDirection(direction);
2129                         }
2130                         if (direction != SWT.DOWN) {
2131                             comparator = checkNotNull(Collections.reverseOrder(comparator));
2132                         }
2133                         setEntryComparator(comparator);
2134                         fIsRevealSelection = true;
2135                         if (fTimeGraphWrapper instanceof TimeGraphComboWrapper) {
2136                             ((TimeGraphComboWrapper) fTimeGraphWrapper).getTreeViewer().getControl().setFocus();
2137                         }
2138                         refresh();
2139                     }
2140                 });
2141             }
2142         }
2143     }
2144
2145     private void createDoubleClickListener(TreeViewer treeViewer) {
2146         treeViewer.addDoubleClickListener(event -> {
2147             if (event.getSelection() instanceof TreeSelection) {
2148                 TreeSelection selection = (TreeSelection) event.getSelection();
2149                 if (selection.getFirstElement() instanceof ITimeGraphEntry) {
2150                     ITimeGraphEntry entry = (ITimeGraphEntry) selection.getFirstElement();
2151                     if (entry.hasChildren()) {
2152                         fTimeGraphWrapper.setExpandedState(entry, !fTimeGraphWrapper.getExpandedState(entry));
2153                     }
2154                 }
2155             }
2156         });
2157     }
2158
2159
2160     private void restoreViewContext() {
2161         TimeGraphCombo combo = getTimeGraphCombo();
2162         ViewContext viewContext = fViewContext.get(fTrace);
2163         if (combo != null) {
2164             if (fColumnComparators != null) {
2165                 // restore sort settings
2166                 fSortDirection = SWT.DOWN;
2167                 fCurrentSortColumn = fInitialSortColumn;
2168                 if (viewContext != null) {
2169                     fSortDirection = viewContext.getSortDirection();
2170                     fCurrentSortColumn = viewContext.getSortColumn();
2171                 }
2172                 if ((fCurrentSortColumn < fColumnComparators.length) && (fColumnComparators[fCurrentSortColumn] != null)) {
2173                     Comparator<ITimeGraphEntry> comparator = fColumnComparators[fCurrentSortColumn];
2174                     if (comparator instanceof ITimeGraphEntryComparator) {
2175                         ((ITimeGraphEntryComparator) comparator).setDirection(fSortDirection);
2176                     }
2177                     if (fSortDirection != SWT.DOWN) {
2178                         comparator = checkNotNull(Collections.reverseOrder(comparator));
2179                     }
2180                     setEntryComparator(comparator);
2181                 }
2182             }
2183         }
2184     }
2185
2186     private void applyViewContext() {
2187         TimeGraphCombo combo = getTimeGraphCombo();
2188         ViewContext viewContext = fViewContext.get(fTrace);
2189         if (combo != null) {
2190             TreeViewer treeViewer = combo.getTreeViewer();
2191             final Tree tree = treeViewer.getTree();
2192             final TreeColumn column = tree.getColumn(fCurrentSortColumn);
2193             tree.setSortDirection(fSortDirection);
2194             tree.setSortColumn(column);
2195             combo.getTreeViewer().getControl().setFocus();
2196         }
2197         // restore and reveal selection
2198         if ((viewContext != null) && (viewContext.getSelection() != null)) {
2199             fTimeGraphWrapper.setSelection(viewContext.getSelection());
2200         }
2201         fViewContext.remove(fTrace);
2202     }
2203
2204     private static class ViewContext {
2205         private int fSortColumnIndex;
2206         private int fSortDirection;
2207         private @Nullable ITimeGraphEntry fSelection;
2208
2209         ViewContext(int sortColunm, int sortDirection, ITimeGraphEntry selection) {
2210             fSortColumnIndex = sortColunm;
2211             fSortDirection = sortDirection;
2212             fSelection = selection;
2213         }
2214         /**
2215          * @return the sortColumn
2216          */
2217         public int getSortColumn() {
2218             return fSortColumnIndex;
2219         }
2220         /**
2221          * @return the sortDirection
2222          */
2223         public int getSortDirection() {
2224             return fSortDirection;
2225         }
2226         /**
2227          * @return the selection
2228          */
2229         public ITimeGraphEntry getSelection() {
2230             return fSelection;
2231         }
2232     }
2233
2234     private void createContextMenu() {
2235         TimeGraphCombo combo = getTimeGraphCombo();
2236         fEntryMenuManager.setRemoveAllWhenShown(true);
2237         if (combo != null) {
2238             TreeViewer treeViewer = combo.getTreeViewer();
2239             Tree tree = treeViewer.getTree();
2240             Menu menu = fEntryMenuManager.createContextMenu(tree);
2241             tree.setMenu(menu);
2242         } else {
2243             TimeGraphControl timeGraphControl = getTimeGraphViewer().getTimeGraphControl();
2244             final Menu entryMenu = fEntryMenuManager.createContextMenu(timeGraphControl);
2245             timeGraphControl.addTimeGraphEntryMenuListener(new MenuDetectListener() {
2246                 @Override
2247                 public void menuDetected(MenuDetectEvent event) {
2248                     Point p = timeGraphControl.toControl(event.x, event.y);
2249                     /*
2250                      * The TimeGraphControl will call the TimeGraphEntryMenuListener
2251                      * before the TimeEventMenuListener. If the event is
2252                      * triggered on the namespace then show the menu else
2253                      * clear the menu.
2254                      */
2255                     if (p.x < getTimeGraphViewer().getNameSpace()) {
2256                         timeGraphControl.setMenu(entryMenu);
2257                     } else {
2258                         timeGraphControl.setMenu(null);
2259                         event.doit = false;
2260                     }
2261                 }
2262             });
2263         }
2264         fEntryMenuManager.addMenuListener(new IMenuListener() {
2265             @Override
2266             public void menuAboutToShow(IMenuManager manager) {
2267                 fillTimeGraphEntryContextMenu(fEntryMenuManager);
2268                 fEntryMenuManager.add(new GroupMarker(IWorkbenchActionConstants.MB_ADDITIONS));
2269             }
2270         });
2271         getSite().registerContextMenu(fEntryMenuManager, fTimeGraphWrapper.getSelectionProvider());
2272     }
2273
2274     /**
2275      * Fill context menu
2276      *
2277      * @param menuManager
2278      *          a menuManager to fill
2279      * @since 2.0
2280      */
2281     protected void fillTimeGraphEntryContextMenu (@NonNull IMenuManager menuManager) {
2282     }
2283
2284     /*
2285      * Inner classes used for searching
2286      */
2287     class FindTarget {
2288         public ITimeGraphEntry getSelection() {
2289             return fTimeGraphWrapper.getSelection();
2290         }
2291
2292         public void selectAndReveal(@NonNull ITimeGraphEntry entry) {
2293             fTimeGraphWrapper.selectAndReveal(entry);
2294         }
2295
2296         public ITimeGraphEntry[] getEntries() {
2297             TimeGraphViewer viewer = getTimeGraphViewer();
2298             return viewer.getTimeGraphContentProvider().getElements(viewer.getInput());
2299         }
2300
2301         public Shell getShell() {
2302             return getSite().getShell();
2303         }
2304     }
2305
2306     class TimeGraphPartListener implements IPartListener {
2307         @Override
2308         public void partActivated(IWorkbenchPart part) {
2309             if (part == AbstractTimeGraphView.this) {
2310                 synchronized (FIND_ACTION) {
2311                     if (fFindActionHandler == null) {
2312                         fFindActionHandler = new ActionHandler(FIND_ACTION);
2313                     }
2314                     final Object service = PlatformUI.getWorkbench().getService(IHandlerService.class);
2315                     fFindHandlerActivation = ((IHandlerService) service).activateHandler(ActionFactory.FIND.getCommandId(), fFindActionHandler);
2316                 }
2317             }
2318             // Notify action for all parts
2319             FIND_ACTION.partActivated(part);
2320         }
2321         @Override
2322         public void partDeactivated(IWorkbenchPart part) {
2323             if ((part == AbstractTimeGraphView.this) && (fFindHandlerActivation != null)) {
2324                 final Object service = PlatformUI.getWorkbench().getService(IHandlerService.class);
2325                 ((IHandlerService) service).deactivateHandler(fFindHandlerActivation);
2326             }
2327         }
2328         @Override
2329         public void partBroughtToTop(IWorkbenchPart part) {
2330         }
2331         @Override
2332         public void partClosed(IWorkbenchPart part) {
2333         }
2334         @Override
2335         public void partOpened(IWorkbenchPart part) {
2336         }
2337     }
2338 }