org.eclipse.linuxtools.lttng.ui/src/org/eclipse/linuxtools/lttng/ui/views/controlflow/ControlFlowView.java

   1 /*******************************************************************************
   2  * Copyright (c) 2009, 2010 Ericsson
   3  *
   4  * All rights reserved. This program and the accompanying materials are made
   5  * 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: Alvaro Sanchez-Leon - Initial implementation
  10  *******************************************************************************/
  11 package org.eclipse.linuxtools.lttng.ui.views.controlflow;
  12
  13 import java.util.Vector;
  14
  15 import org.eclipse.jface.action.Action;
  16 import org.eclipse.jface.action.IMenuListener;
  17 import org.eclipse.jface.action.IMenuManager;
  18 import org.eclipse.jface.action.IToolBarManager;
  19 import org.eclipse.jface.action.MenuManager;
  20 import org.eclipse.jface.action.Separator;
  21 import org.eclipse.jface.dialogs.MessageDialog;
  22 import org.eclipse.jface.viewers.DoubleClickEvent;
  23 import org.eclipse.jface.viewers.IDoubleClickListener;
  24 import org.eclipse.jface.viewers.ISelection;
  25 import org.eclipse.jface.viewers.ISelectionChangedListener;
  26 import org.eclipse.jface.viewers.IStructuredContentProvider;
  27 import org.eclipse.jface.viewers.IStructuredSelection;
  28 import org.eclipse.jface.viewers.ITableLabelProvider;
  29 import org.eclipse.jface.viewers.LabelProvider;
  30 import org.eclipse.jface.viewers.SelectionChangedEvent;
  31 import org.eclipse.jface.viewers.StructuredViewer;
  32 import org.eclipse.jface.viewers.TableViewer;
  33 import org.eclipse.jface.viewers.Viewer;
  34 import org.eclipse.jface.viewers.ViewerFilter;
  35 import org.eclipse.linuxtools.lttng.control.LttngCoreProviderFactory;
  36 import org.eclipse.linuxtools.lttng.event.LttngTimestamp;
  37 import org.eclipse.linuxtools.lttng.request.ILttngSyntEventRequest;
  38 import org.eclipse.linuxtools.lttng.state.evProcessor.ITransEventProcessor;
  39 import org.eclipse.linuxtools.lttng.ui.TraceDebug;
  40 import org.eclipse.linuxtools.lttng.ui.model.trange.ItemContainer;
  41 import org.eclipse.linuxtools.lttng.ui.model.trange.TimeRangeEventProcess;
  42 import org.eclipse.linuxtools.lttng.ui.model.trange.TimeRangeViewerProvider;
  43 import org.eclipse.linuxtools.lttng.ui.views.common.AbsTimeUpdateView;
  44 import org.eclipse.linuxtools.lttng.ui.views.common.ParamsUpdater;
  45 import org.eclipse.linuxtools.lttng.ui.views.controlflow.evProcessor.FlowEventToHandlerFactory;
  46 import org.eclipse.linuxtools.lttng.ui.views.controlflow.model.FlowModelFactory;
  47 import org.eclipse.linuxtools.tmf.event.TmfEvent;
  48 import org.eclipse.linuxtools.tmf.event.TmfTimeRange;
  49 import org.eclipse.linuxtools.tmf.experiment.TmfExperiment;
  50 import org.eclipse.linuxtools.tmf.request.ITmfDataRequest.ExecutionType;
  51 import org.eclipse.linuxtools.tmf.signal.TmfExperimentSelectedSignal;
  52 import org.eclipse.linuxtools.tmf.signal.TmfRangeSynchSignal;
  53 import org.eclipse.linuxtools.tmf.signal.TmfSignalHandler;
  54 import org.eclipse.linuxtools.tmf.signal.TmfTimeSynchSignal;
  55 import org.eclipse.linuxtools.tmf.ui.viewers.TmfViewerFactory;
  56 import org.eclipse.linuxtools.tmf.ui.viewers.timeAnalysis.ITmfTimeFilterSelectionListener;
  57 import org.eclipse.linuxtools.tmf.ui.viewers.timeAnalysis.ITmfTimeScaleSelectionListener;
  58 import org.eclipse.linuxtools.tmf.ui.viewers.timeAnalysis.ITmfTimeSelectionListener;
  59 import org.eclipse.linuxtools.tmf.ui.viewers.timeAnalysis.TmfTimeFilterSelectionEvent;
  60 import org.eclipse.linuxtools.tmf.ui.viewers.timeAnalysis.TmfTimeScaleSelectionEvent;
  61 import org.eclipse.linuxtools.tmf.ui.viewers.timeAnalysis.TmfTimeSelectionEvent;
  62 import org.eclipse.linuxtools.tmf.ui.viewers.timeAnalysis.model.ITmfTimeAnalysisEntry;
  63 import org.eclipse.swt.SWT;
  64 import org.eclipse.swt.custom.SashForm;
  65 import org.eclipse.swt.custom.ScrolledComposite;
  66 import org.eclipse.swt.events.KeyEvent;
  67 import org.eclipse.swt.events.KeyListener;
  68 import org.eclipse.swt.graphics.Image;
  69 import org.eclipse.swt.graphics.Point;
  70 import org.eclipse.swt.graphics.Rectangle;
  71 import org.eclipse.swt.widgets.Composite;
  72 import org.eclipse.swt.widgets.Display;
  73 import org.eclipse.swt.widgets.Menu;
  74 import org.eclipse.swt.widgets.ScrollBar;
  75 import org.eclipse.swt.widgets.Table;
  76 import org.eclipse.swt.widgets.TableColumn;
  77 import org.eclipse.swt.widgets.TableItem;
  78 import org.eclipse.ui.IActionBars;
  79 import org.eclipse.ui.IWorkbenchActionConstants;
  80 import org.eclipse.ui.PlatformUI;
  81 import org.eclipse.ui.plugin.AbstractUIPlugin;
  82
  83 /**
  84  * <b><u>ControlFlowView</u></b>
  85  */
  86 /**
  87  * @author alvaro
  88  *
  89  */
  90 public class ControlFlowView extends AbsTimeUpdateView implements
  91                 ITmfTimeSelectionListener, ITmfTimeScaleSelectionListener,
  92                 ITmfTimeFilterSelectionListener {
  93
  94     public static final String ID = "org.eclipse.linuxtools.lttng.ui.views.controlflow"; //$NON-NLS-1$
  95
  96         // ========================================================================
  97         // Table data
  98         // ========================================================================
  99
 100     private final String PROCESS_COLUMN    = Messages.getString("ControlFlowView.processColumn"); //$NON-NLS-1$
 101         private final String BRAND_COLUMN      = Messages.getString("ControlFlowView.brandColumn"); //$NON-NLS-1$
 102         private final String PID_COLUMN        = Messages.getString("ControlFlowView.pidColumn"); //$NON-NLS-1$
 103         private final String TGID_COLUMN       = Messages.getString("ControlFlowView.tgidColumn"); //$NON-NLS-1$
 104         private final String PPID_COLUMN       = Messages.getString("ControlFlowView.ppidColumn"); //$NON-NLS-1$
 105         private final String CPU_COLUMN        = Messages.getString("ControlFlowView.cpuColumn"); //$NON-NLS-1$
 106         private final String BIRTH_SEC_COLUMN  = Messages.getString("ControlFlowView.birthSecColumn"); //$NON-NLS-1$
 107         private final String BIRTH_NSEC_COLUMN = Messages.getString("ControlFlowView.birthNSecColumn"); //$NON-NLS-1$
 108         private final String TRACE             = Messages.getString("ControlFlowView.TraceNameColumn"); //$NON-NLS-1$
 109
 110         private final String[] columnNames = new String[] { PROCESS_COLUMN, /* */
 111         BRAND_COLUMN,/* */
 112         PID_COLUMN,/* */
 113         TGID_COLUMN,/* */
 114         PPID_COLUMN,/* */
 115         CPU_COLUMN, /* */
 116         BIRTH_SEC_COLUMN,/* */
 117         BIRTH_NSEC_COLUMN,/* */
 118         TRACE /* */
 119         };
 120
 121         // ========================================================================
 122         // Data
 123         // ========================================================================
 124         private TableViewer tableViewer;
 125         // private int totalNumItems = 0;
 126         // Actions
 127         private Action doubleClickAction;
 128         private Action resetScale;
 129         private Action nextEvent;
 130         private Action prevEvent;
 131         private Action nextTrace;
 132         private Action prevTrace;
 133         private Action showLegend;
 134         private Action filterTraces;
 135         private Action zoomIn;
 136         private Action zoomOut;
 137         private Action zoomFilter;
 138
 139         private ViewProcessFilter tableFilter = null;
 140         private ScrolledComposite scrollFrame = null;
 141
 142         // private static SimpleDateFormat stimeformat = new SimpleDateFormat(
 143         // "yy/MM/dd HH:mm:ss");
 144
 145         // private TraceModelImplFactory fact;
 146
 147         // ========================================================================
 148         // Methods
 149         // ========================================================================
 150         /*
 151          * The content provider class is responsible for providing objects to the
 152          * view. It can wrap existing objects in adapters or simply return objects
 153          * as-is. These objects may be sensitive to the current input of the view,
 154          * or ignore it and always show the same content (like Task List, for
 155          * example).
 156          */
 157
 158         class ViewContentProvider implements
 159         /* ILazyContentProvider, */IStructuredContentProvider {
 160                 private TableViewer cviewer = null;
 161                 private ITmfTimeAnalysisEntry[] elements = null;
 162
 163                 public ViewContentProvider(TableViewer v) {
 164                         cviewer = v;
 165                 }
 166
 167                 @Override
 168                 public void inputChanged(Viewer v, Object oldInput, Object newInput) {
 169                         this.elements = (ITmfTimeAnalysisEntry[]) newInput;
 170                         if (elements != null) {
 171                                 TraceDebug.debug("Total number of processes provided to Control Flow view: " + elements.length); //$NON-NLS-1$
 172                         } else {
 173                                 TraceDebug.debug("New input = null"); //$NON-NLS-1$
 174                         }
 175                 }
 176
 177                 @Override
 178                 public void dispose() {
 179
 180                 }
 181
 182                 // Needed with the use of virtual tables in order to initialize items
 183                 // which were not initially visible.
 184                 public void updateElement(int index) {
 185                         cviewer.replace(elements[index], index);
 186                 }
 187
 188                 @Override
 189                 public Object[] getElements(Object inputElement) {
 190                         return elements;
 191                 }
 192         }
 193
 194         class ViewLabelProvider extends LabelProvider implements ITableLabelProvider {
 195                 @Override
 196                 public String getColumnText(Object obj, int index) {
 197                         String strRes = ""; //$NON-NLS-1$
 198                         LttngTimestamp time;
 199                         if (obj instanceof TimeRangeEventProcess) {
 200                                 TimeRangeEventProcess process = (TimeRangeEventProcess) obj;
 201                                 switch (index) {
 202                                 case 0:
 203                                         strRes = process.getName();
 204                                         break;
 205                                 case 1:
 206                                         strRes = process.getBrand();
 207                                         break;
 208                                 case 2:
 209                                         strRes = process.getPid().toString();
 210                                         break;
 211                                 case 3:
 212                                         strRes = process.getTgid().toString();
 213                                         break;
 214                                 case 4:
 215                                         strRes = process.getPpid().toString();
 216                                         break;
 217                                 case 5:
 218                                         strRes = process.getCpu().toString();
 219                                         break;
 220                                 case 6:
 221                                         time = new LttngTimestamp(process.getCreationTime()
 222                                                         .longValue());
 223                                         strRes = time.getSeconds();
 224                                         break;
 225                                 case 7:
 226                                         time = new LttngTimestamp(process.getCreationTime()
 227                                                         .longValue());
 228                                         strRes = time.getNanoSeconds();
 229                                         break;
 230                                 case 8:
 231                                         strRes = process.getTraceID();
 232                                         break;
 233                                 default:
 234                                         break;
 235                                 }
 236                         } else {
 237                                 return getText(obj);
 238                         }
 239
 240                         return strRes;
 241                 }
 242
 243                 @Override
 244                 public Image getColumnImage(Object obj, int index) {
 245                         return getImage(obj);
 246                 }
 247
 248                 @Override
 249                 public Image getImage(Object obj) {
 250                         // No image needed for the time being
 251                         // return PlatformUI.getWorkbench().getSharedImages().getImage(
 252                         // ISharedImages.IMG_OBJ_ELEMENT);
 253                         return null;
 254                 }
 255         }
 256
 257         class ViewProcessFilter extends ViewerFilter {
 258
 259                 private Vector<ITmfTimeAnalysisEntry> filteredSet = new Vector<ITmfTimeAnalysisEntry>();
 260                 StructuredViewer viewer;
 261
 262                 public ViewProcessFilter(StructuredViewer rviewer) {
 263                         this.viewer = rviewer;
 264                 }
 265
 266                 public void setFilter(Vector<ITmfTimeAnalysisEntry> filtered) {
 267                         if (filtered != null) {
 268                                 this.filteredSet = filtered;
 269                                 viewer.refresh();
 270                         }
 271                 }
 272
 273                 @Override
 274                 public boolean select(Viewer viewer, Object parentElement,
 275                                 Object element) {
 276                         boolean filteredIn = true;
 277                         if (element instanceof ITmfTimeAnalysisEntry) {
 278                                 ITmfTimeAnalysisEntry process = (ITmfTimeAnalysisEntry) element;
 279                                 if (filteredSet.contains(process)) {
 280                                         // The element is marked to be filtered out
 281                                         return false;
 282                                 }
 283                         } else {
 284                                 TraceDebug.debug("Unexpected type of filter element received: " //$NON-NLS-1$
 285                                                 + element.toString());
 286                         }
 287                         // Compare element versus a list of filtered out
 288                         return filteredIn;
 289                 }
 290         }
 291
 292         /**
 293          * The constructor.
 294          */
 295         public ControlFlowView() {
 296                 super(ID);
 297         }
 298
 299         /**
 300          * This is a callback that will allow us to create the viewer and initialize
 301          * it.
 302          */
 303         /*
 304          * (non-Javadoc)
 305          *
 306          * @see
 307          * org.eclipse.linuxtools.tmf.ui.views.TmfView#createPartControl(org.eclipse
 308          * .swt.widgets.Composite)
 309          */
 310         @Override
 311         public void createPartControl(Composite parent) {
 312
 313                 scrollFrame = new ScrolledComposite(parent, SWT.V_SCROLL);
 314
 315                 scrollFrame.setExpandVertical(true);
 316                 scrollFrame.setExpandHorizontal(true);
 317                 scrollFrame.setAlwaysShowScrollBars(true);
 318
 319                 SashForm sash = new SashForm(scrollFrame, SWT.NONE);
 320                 scrollFrame.setContent(sash);
 321
 322                 tableViewer = new TableViewer(sash, SWT.FULL_SELECTION | SWT.H_SCROLL);
 323                 tableViewer.setContentProvider(new ViewContentProvider(tableViewer));
 324                 tableViewer.setLabelProvider(new ViewLabelProvider());
 325                 Table table = tableViewer.getTable();
 326                 tableViewer.addSelectionChangedListener(new ISelectionChangedListener() {
 327                         @Override
 328                         public void selectionChanged(SelectionChangedEvent event) {
 329                                 ISelection sel = event.getSelection();
 330                                 if (!sel.isEmpty()) {
 331                                         Object firstSel = null;
 332                                         if (sel instanceof IStructuredSelection) {
 333                                                 firstSel = ((IStructuredSelection) sel).getFirstElement();
 334
 335                                                 // Make sure the selection is visible
 336                                                 updateScrollOrigin();
 337
 338                                                 if (firstSel instanceof ITmfTimeAnalysisEntry) {
 339                                                         ITmfTimeAnalysisEntry trace = (ITmfTimeAnalysisEntry) firstSel;
 340                                                         tsfviewer.setSelectedTrace(trace);
 341                                                 }
 342                                         }
 343                                 }
 344                         }
 345
 346                         /**
 347                          * Make sure the selected item is visible
 348                          */
 349                         private void updateScrollOrigin() {
 350                                 Table table = tableViewer.getTable();
 351                                 if (table != null && table.getItemCount() > 0) {
 352                                         TableItem item = table.getSelection()[0];
 353                                         if (item == null) {
 354                                                 // no selected reference to go up or down
 355                                                 return;
 356                                         }
 357
 358                                         Rectangle itemRect = item.getBounds();
 359                                         int step = itemRect.height;
 360
 361                                         // calculate height of horizontal bar
 362                                         int hscrolly = 0;
 363                                         ScrollBar hbar = scrollFrame.getHorizontalBar();
 364                                         if (hbar != null) {
 365                                                 hscrolly = hbar.getSize().y;
 366                                         }
 367
 368                                         int visibleHeight = scrollFrame.getSize().y - hscrolly;
 369
 370                                         // the current scrollbar offset to adjust i.e. start
 371                                         // of
 372                                         // the visible window
 373                                         Point origin = scrollFrame.getOrigin();
 374                                         // end of visible window
 375                                         int endy = origin.y + visibleHeight;
 376
 377                                         int itemStartPos = itemRect.y + table.getHeaderHeight() + table.getBorderWidth()
 378                                                         + table.getParent().getBorderWidth();
 379
 380                                         // Item End Position
 381                                         int itemEndPos = itemStartPos + step;
 382
 383                                         // check if need to go up
 384                                         if (origin.y >= step && itemStartPos < origin.y) {
 385                                                 // one step up
 386                                                 scrollFrame.setOrigin(origin.x, origin.y - step);
 387
 388                                         }
 389
 390                                                         // check if it needs to go down
 391                                         if (itemEndPos > endy) {
 392                                                 // one step down
 393                                                 scrollFrame.setOrigin(origin.x, origin.y + step);
 394
 395                                                         }
 396                                 }
 397                         }
 398                 });
 399
 400                 // Listen to page up /down and Home / Enc keys
 401                 tableViewer.getTable().addKeyListener(new KeyListener() {
 402                         @Override
 403                         public void keyPressed(KeyEvent e) {
 404                                 Table table = tableViewer.getTable();
 405                                 Point origin = scrollFrame.getOrigin();
 406                                 if (table == null || table.getItemCount() < 1) {
 407                                         // nothing to page
 408                                         return;
 409                                 }
 410
 411                                 TableItem item;
 412                                 int count;
 413
 414                                 switch (e.keyCode) {
 415                                 case SWT.PAGE_DOWN:
 416                                         updateScrollPageDown();
 417                                         break;
 418                                 case SWT.PAGE_UP:
 419                                         updateScrollUp();
 420                                         break;
 421                                 case SWT.HOME:
 422                                         // Home
 423                                         count = table.getItemCount();
 424                                         item = table.getItem(0);
 425                                         // Go to the top
 426                                         scrollFrame.setOrigin(origin.x, 0);
 427                                         break;
 428                                 case SWT.END:
 429                                         // End Selected
 430                                         count = table.getItemCount();
 431                                         item = table.getItem(count - 1);
 432                                         int itemStartPos = item.getBounds().y;
 433                                         // Get to the bottom
 434                                         scrollFrame.setOrigin(origin.x, itemStartPos);
 435                                         break;
 436                                 default:
 437                                         break;
 438                                 }
 439                         }
 440
 441                         @Override
 442                         public void keyReleased(KeyEvent e) {
 443                                 // Nothing to do
 444
 445                         }
 446
 447                         /**
 448                          * Scroll one page down
 449                          */
 450                         private void updateScrollPageDown() {
 451                                 // null protection before calling private method
 452                                 Table table = tableViewer.getTable();
 453                                 int step = table.getItemHeight();
 454
 455                                 int hscrolly = 0;
 456                                 ScrollBar hbar = scrollFrame.getHorizontalBar();
 457                                 if (hbar != null) {
 458                                         hscrolly = hbar.getSize().y;
 459                                 }
 460
 461                                 Point origin = scrollFrame.getOrigin();
 462                                 int visibleHeight = scrollFrame.getSize().y - hscrolly;
 463                                 int endy = origin.y + visibleHeight;
 464
 465                                 scrollFrame.setOrigin(origin.x, endy - step);
 466                         }
 467
 468                         /**
 469                          * Scroll one page up
 470                          */
 471                         private void updateScrollUp() {
 472                                 // null protection before calling private method
 473                                 Table table = tableViewer.getTable();
 474                                 int step = table.getItemHeight();
 475
 476                                 int hscrolly = 0;
 477                                 ScrollBar hbar = scrollFrame.getHorizontalBar();
 478                                 if (hbar != null) {
 479                                         hscrolly = hbar.getSize().y;
 480                                 }
 481
 482                                 Point origin = scrollFrame.getOrigin();
 483                                 int visibleHeight = scrollFrame.getSize().y - hscrolly;
 484                                 int pageUpPos = origin.y - visibleHeight + step;
 485                                 pageUpPos = pageUpPos > 0 ? pageUpPos : 0;
 486                                 scrollFrame.setOrigin(origin.x, pageUpPos);
 487                         }
 488
 489                 });
 490                 // Describe table
 491                 applyTableLayout(table);
 492
 493                 int borderWidth = table.getBorderWidth();
 494
 495                 int itemHeight = table.getItemHeight() + checkForSWTBugItemHeightAdjustement();
 496                 int headerHeight = table.getHeaderHeight();
 497                 table.getVerticalBar().setVisible(false);
 498
 499                 tsfviewer = TmfViewerFactory.createViewer(sash, new TimeRangeViewerProvider(getParamsUpdater()));
 500
 501                 // Traces shall not be grouped to allow synchronisation
 502                 tsfviewer.groupTraces(false);
 503                 tsfviewer.setItemHeight(itemHeight);
 504                 tsfviewer.setBorderWidth(borderWidth);
 505                 tsfviewer.setHeaderHeight(headerHeight);
 506                 tsfviewer.setVisibleVerticalScroll(false);
 507                 // Names provided by the table
 508                 tsfviewer.setNameWidthPref(0);
 509                 tsfviewer.setAcceptSelectionAPIcalls(true);
 510
 511                 // Viewer to notify selection to this class
 512                 // This class will synchronise selections with table.
 513                 tsfviewer.addWidgetSelectionListner(this);
 514                 tsfviewer.addFilterSelectionListner(this);
 515                 tsfviewer.addWidgetTimeScaleSelectionListner(this);
 516
 517                 sash.setWeights(new int[] { 1, 1 });
 518                 // Create the help context id for the viewer's control
 519                 // TODO: Associate with help system
 520                 PlatformUI.getWorkbench().getHelpSystem().setHelp(
 521                                 tableViewer.getControl(),
 522                                 "org.eclipse.linuxtools.lttnng.ui.views.flow.viewer"); //$NON-NLS-1$
 523
 524                 makeActions();
 525                 hookContextMenu();
 526                 hookDoubleClickAction();
 527                 contributeToActionBars();
 528
 529                 // scrollFrame.addControlListener(new ControlAdapter() {
 530                 //
 531                 // @Override
 532                 // public void controlResized(ControlEvent e) {
 533                 // tsfviewer.resizeControls();
 534                 // updateScrolls(scrollFrame);
 535                 // }
 536                 // });
 537
 538                 // set the initial view parameter values
 539                 // Experiment start and end time
 540                 // as well as time space width in pixels, used by the time analysis
 541                 // widget
 542                 // Read relevant values
 543                 int timeSpaceWidth = tsfviewer.getTimeSpace();
 544                 if (timeSpaceWidth < 0) {
 545                         timeSpaceWidth = -timeSpaceWidth;
 546                 }
 547
 548                 TmfExperiment<?> experiment = TmfExperiment.getCurrentExperiment();
 549                 if (experiment != null) {
 550                         TmfTimeRange experimentTRange = experiment.getTimeRange();
 551
 552                         // send request and received the adjusted time used
 553                         TmfTimeRange adjustedTimeRange = initialExperimentDataRequest(this,
 554                                         experimentTRange);
 555
 556                         // initialize widget time boundaries and filtering parameters
 557                         ModelUpdateInit(experimentTRange, adjustedTimeRange, this);
 558                 } else {
 559                         TraceDebug.debug("No selected experiment information available"); //$NON-NLS-1$
 560                 }
 561         }
 562
 563         private void hookContextMenu() {
 564                 MenuManager menuMgr = new MenuManager("#PopupMenu"); //$NON-NLS-1$
 565                 menuMgr.setRemoveAllWhenShown(true);
 566                 menuMgr.addMenuListener(new IMenuListener() {
 567                         @Override
 568                         public void menuAboutToShow(IMenuManager manager) {
 569                                 ControlFlowView.this.fillContextMenu(manager);
 570                         }
 571                 });
 572                 Menu menu = menuMgr.createContextMenu(tableViewer.getControl());
 573                 tableViewer.getControl().setMenu(menu);
 574                 getSite().registerContextMenu(menuMgr, tableViewer);
 575         }
 576
 577         private void contributeToActionBars() {
 578                 IActionBars bars = getViewSite().getActionBars();
 579                 fillLocalPullDown(bars.getMenuManager());
 580                 fillLocalToolBar(bars.getToolBarManager());
 581         }
 582
 583         private void fillLocalPullDown(IMenuManager manager) {
 584                 manager.add(new Separator());
 585                 // manager.add(showLegend);
 586                 manager.add(new Separator());
 587                 manager.add(resetScale);
 588                 manager.add(nextEvent);
 589                 manager.add(prevEvent);
 590                 manager.add(nextTrace);
 591                 manager.add(prevTrace);
 592                 // manager.add(filterTraces);
 593                 manager.add(zoomIn);
 594                 manager.add(zoomOut);
 595                 manager.add(zoomFilter);
 596                 manager.add(new Separator());
 597         }
 598
 599         private void fillContextMenu(IMenuManager manager) {
 600                 // manager.add(showLegend);
 601                 manager.add(new Separator());
 602                 manager.add(resetScale);
 603                 manager.add(nextEvent);
 604                 manager.add(prevEvent);
 605                 manager.add(nextTrace);
 606                 manager.add(prevTrace);
 607                 // manager.add(showLegend);
 608                 // manager.add(filterTraces);
 609                 manager.add(zoomIn);
 610                 manager.add(zoomOut);
 611                 manager.add(zoomFilter);
 612                 manager.add(new Separator());
 613                 manager.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS));
 614         }
 615
 616         private void fillLocalToolBar(IToolBarManager manager) {
 617                 // manager.add(showLegend);
 618                 manager.add(new Separator());
 619                 manager.add(resetScale);
 620                 manager.add(nextEvent);
 621                 manager.add(prevEvent);
 622                 manager.add(nextTrace);
 623                 manager.add(prevTrace);
 624                 // manager.add(filterTraces);
 625                 manager.add(zoomIn);
 626                 manager.add(zoomOut);
 627                 manager.add(zoomFilter);
 628                 manager.add(new Separator());
 629         }
 630
 631         private void makeActions() {
 632                 // resetScale
 633                 resetScale = new Action() {
 634                         @Override
 635                         public void run() {
 636                                 if (tsfviewer != null) {
 637                                         tsfviewer.resetStartFinishTime();
 638                                 }
 639
 640                         }
 641                 };
 642                 resetScale.setText(Messages.getString("ControlFlowView.Action.Reset")); //$NON-NLS-1$
 643                 resetScale.setToolTipText(Messages
 644                                 .getString("ControlFlowView.Action.Reset.ToolTip")); //$NON-NLS-1$
 645                 resetScale.setImageDescriptor(AbstractUIPlugin
 646                                 .imageDescriptorFromPlugin(Messages
 647                                                 .getString("ControlFlowView.tmf.UI"), //$NON-NLS-1$
 648                                                 "icons/elcl16/home_nav.gif")); //$NON-NLS-1$
 649
 650                 // nextEvent
 651                 nextEvent = new Action() {
 652                         @Override
 653                         public void run() {
 654                                 if (tsfviewer != null) {
 655                                         tsfviewer.selectNextEvent();
 656                                 }
 657                         }
 658                 };
 659                 nextEvent.setText(Messages
 660                                 .getString("ControlFlowView.Action.NextEvent")); //$NON-NLS-1$
 661                 nextEvent.setToolTipText(Messages
 662                                 .getString("ControlFlowView.Action.NextEvent.Tooltip")); //$NON-NLS-1$
 663                 nextEvent.setImageDescriptor(AbstractUIPlugin
 664                                 .imageDescriptorFromPlugin(Messages
 665                                                 .getString("ControlFlowView.tmf.UI"), //$NON-NLS-1$
 666                                                 "icons/elcl16/next_event.gif")); //$NON-NLS-1$
 667
 668                 // prevEvent
 669                 prevEvent = new Action() {
 670                 @Override
 671                 public void run() {
 672                                 if (tsfviewer != null) {
 673                                         tsfviewer.selectPrevEvent();
 674                                 }
 675                         }
 676                 };
 677                 prevEvent.setText(Messages
 678                                 .getString("ControlFlowView.Action.PrevEvent")); //$NON-NLS-1$
 679                 prevEvent.setToolTipText(Messages
 680                                 .getString("ControlFlowView.Action.PrevEvent.Tooltip")); //$NON-NLS-1$
 681                 prevEvent.setImageDescriptor(AbstractUIPlugin
 682                                 .imageDescriptorFromPlugin(Messages
 683                                                 .getString("ControlFlowView.tmf.UI"), //$NON-NLS-1$
 684                                                 "icons/elcl16/prev_event.gif")); //$NON-NLS-1$
 685
 686                 // nextTrace
 687                 nextTrace = new Action() {
 688                         @Override
 689                         public void run() {
 690                                 if (tsfviewer != null) {
 691                                         tsfviewer.selectNextTrace();
 692                                 }
 693                         }
 694                 };
 695                 nextTrace.setText(Messages
 696                                 .getString("ControlFlowView.Action.NextProcess")); //$NON-NLS-1$
 697                 nextTrace.setToolTipText(Messages
 698                                 .getString("ControlFlowView.Action.NextProcess.ToolTip")); //$NON-NLS-1$
 699                 nextTrace.setImageDescriptor(AbstractUIPlugin
 700                                 .imageDescriptorFromPlugin(Messages
 701                                                 .getString("ControlFlowView.tmf.UI"), //$NON-NLS-1$
 702                                                 "icons/elcl16/next_item.gif")); //$NON-NLS-1$
 703
 704                 // prevTrace
 705                 prevTrace = new Action() {
 706                         @Override
 707                         public void run() {
 708                                 if (tsfviewer != null) {
 709                                         tsfviewer.selectPrevTrace();
 710                                 }
 711                         }
 712                 };
 713                 prevTrace.setText(Messages
 714                                 .getString("ControlFlowView.Action.PreviousProcess")); //$NON-NLS-1$
 715                 prevTrace.setToolTipText(Messages
 716                                 .getString("ControlFlowView.Action.PreviousProcess.Tooltip")); //$NON-NLS-1$
 717                 prevTrace.setImageDescriptor(AbstractUIPlugin
 718                                 .imageDescriptorFromPlugin(Messages
 719                                                 .getString("ControlFlowView.tmf.UI"), //$NON-NLS-1$
 720                                                 "icons/elcl16/prev_item.gif")); //$NON-NLS-1$
 721
 722                 // showLegend
 723                 showLegend = new Action() {
 724                         @Override
 725                         public void run() {
 726                                 if (tsfviewer != null) {
 727                                         tsfviewer.showLegend();
 728                                 }
 729                         }
 730                 };
 731                 showLegend.setText(Messages.getString("ControlFlowView.Action.Legend")); //$NON-NLS-1$
 732                 showLegend.setToolTipText(Messages
 733                                 .getString("ControlFlowView.Action.Legend.ToolTip")); //$NON-NLS-1$
 734
 735                 // filterTraces
 736                 filterTraces = new Action() {
 737                         @Override
 738                         public void run() {
 739                                 if (tsfviewer != null) {
 740                                         tsfviewer.filterTraces();
 741                                 }
 742                         }
 743                 };
 744                 filterTraces.setText(Messages
 745                                 .getString("ControlFlowView.Action.Filter")); //$NON-NLS-1$
 746                 filterTraces.setToolTipText(Messages
 747                                 .getString("ControlFlowView.Action.Filter.ToolTip")); //$NON-NLS-1$
 748                 filterTraces.setImageDescriptor(AbstractUIPlugin
 749                                 .imageDescriptorFromPlugin(Messages
 750                                                 .getString("ControlFlowView.tmf.UI"), //$NON-NLS-1$
 751                                                 "icons/elcl16/filter_items.gif")); //$NON-NLS-1$
 752
 753                 // zoomIn
 754                 zoomIn = new Action() {
 755                         @Override
 756                         public void run() {
 757                                 if (tsfviewer != null) {
 758                                         tsfviewer.zoomIn();
 759                                 }
 760                         }
 761                 };
 762                 zoomIn.setText(Messages.getString("ControlFlowView.Action.ZoomIn")); //$NON-NLS-1$
 763                 zoomIn.setToolTipText(Messages
 764                                 .getString("ControlFlowView.Action.ZoomIn.Tooltip")); //$NON-NLS-1$
 765                 zoomIn.setImageDescriptor(AbstractUIPlugin.imageDescriptorFromPlugin(
 766                                 Messages.getString("ControlFlowView.tmf.UI"), //$NON-NLS-1$
 767                                 "icons/elcl16/zoomin_nav.gif")); //$NON-NLS-1$
 768
 769                 // zoomOut
 770                 zoomOut = new Action() {
 771                         @Override
 772                         public void run() {
 773                                 if (tsfviewer != null) {
 774                                         tsfviewer.zoomOut();
 775                                 }
 776                         }
 777                 };
 778                 zoomOut.setText(Messages.getString("ControlFlowView.Action.ZoomOut")); //$NON-NLS-1$
 779                 zoomOut.setToolTipText(Messages
 780                                 .getString("ControlFlowView.Action.ZoomOut.tooltip")); //$NON-NLS-1$
 781                 zoomOut.setImageDescriptor(AbstractUIPlugin.imageDescriptorFromPlugin(
 782                                 Messages.getString("ControlFlowView.tmf.UI"), //$NON-NLS-1$
 783                                 "icons/elcl16/zoomout_nav.gif")); //$NON-NLS-1$
 784
 785                 // zoomFilter
 786                 zoomFilter = new Action() {
 787                         @Override
 788                         public void run() {
 789                                 // Nothing to do, however the selection status is needed by the
 790                                 // application
 791                         }
 792                 };
 793                 zoomFilter.setText(Messages
 794                                 .getString("ControlFlowView.Action.ZoomFilter")); //$NON-NLS-1$
 795                 zoomFilter.setToolTipText(Messages
 796                                 .getString("ControlFlowView.Action.ZoomFilter.tooltip")); //$NON-NLS-1$
 797                 zoomFilter.setImageDescriptor(AbstractUIPlugin
 798                                 .imageDescriptorFromPlugin(Messages
 799                                                 .getString("ControlFlowView.tmf.UI"), //$NON-NLS-1$
 800                                                 "icons/elcl16/filter_items.gif")); //$NON-NLS-1$
 801                 zoomFilter.setChecked(false);
 802
 803                 // PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_ELCL_SYNCED);
 804
 805                 doubleClickAction = new Action() {
 806                         @Override
 807                         public void run() {
 808                                 ISelection selection = tableViewer.getSelection();
 809                                 Object obj = ((IStructuredSelection) selection)
 810                                                 .getFirstElement();
 811                                 showMessage("Double-click detected on " + obj.toString()); //$NON-NLS-1$
 812                         }
 813                 };
 814         }
 815
 816         private void hookDoubleClickAction() {
 817                 tableViewer.addDoubleClickListener(new IDoubleClickListener() {
 818                         @Override
 819                         public void doubleClick(DoubleClickEvent event) {
 820                                 doubleClickAction.run();
 821                         }
 822                 });
 823         }
 824
 825         private void showMessage(String message) {
 826                 MessageDialog.openInformation(tableViewer.getControl().getShell(),
 827                                 Messages.getString("ControlFlowView.msgSlogan"), message); //$NON-NLS-1$
 828         }
 829
 830         /**
 831          * Passing the focus request to the viewer's control.
 832          */
 833         @Override
 834         public void setFocus() {
 835                 tableViewer.getControl().setFocus();
 836         }
 837
 838         /*
 839          * (non-Javadoc)
 840          *
 841          * @see org.eclipse.linuxtools.lttng.ui.views.common.AbsTimeUpdateView#
 842          * tsfTmProcessSelEvent
 843          * (org.eclipse.linuxtools.tmf.ui.viewers.timeAnalysis.TmfTimeSelectionEvent
 844          * )
 845          */
 846         @Override
 847         public void tsfTmProcessSelEvent(TmfTimeSelectionEvent event) {
 848                 // common implementation
 849                 super.tsfTmProcessSelEvent(event);
 850
 851                 // Reselect the table viewer to widget selection
 852                 ISelection sel = tsfviewer.getSelectionTrace();
 853                 if (sel != null && !sel.isEmpty()) {
 854                         tableViewer.setSelection(sel);
 855                 }
 856         }
 857
 858         /*
 859          * (non-Javadoc)
 860          *
 861          * @see org.eclipse.linuxtools.tmf.ui.viewers.timeAnalysis.
 862          * ITmfTimeScaleSelectionListener
 863          * #tsfTmProcessTimeScaleEvent(org.eclipse.linuxtools
 864          * .tmf.ui.viewers.timeAnalysis.TmfTimeScaleSelectionEvent)
 865          */
 866         @Override
 867         public void tsfTmProcessTimeScaleEvent(TmfTimeScaleSelectionEvent event) {
 868                 super.tsfTmProcessTimeScaleEvent(event);
 869         }
 870
 871         private void applyTableLayout(Table table) {
 872                 for (int i = 0; i < columnNames.length; i++) {
 873                         TableColumn tableColumn = new TableColumn(table, SWT.LEFT);
 874                         tableColumn.setText(columnNames[i]);
 875                         tableColumn.pack();
 876                 }
 877                 table.setHeaderVisible(true);
 878                 table.setLinesVisible(true);
 879         }
 880
 881         /*
 882          * (non-Javadoc)
 883          *
 884          * @see
 885          * org.eclipse.linuxtools.lttng.ui.views.common.AbsTimeUpdateView#displayModel
 886          * (org.eclipse.linuxtools.tmf.ui.viewers.timeAnalysis.model.
 887          * ITmfTimeAnalysisEntry[], long, long, boolean, long, long,
 888          * java.lang.Object)
 889          */
 890         @Override
 891         public void displayModel(final ITmfTimeAnalysisEntry[] items,
 892                         final long startBoundTime, final long endBoundTime,
 893                         final boolean updateTimeBounds, final long startVisibleWindow,
 894                         final long endVisibleWindow, final Object source) {
 895
 896                 if(tableViewer != null) {
 897                         final Table table = tableViewer.getTable();
 898
 899                         // Ignore update if widget is disposed
 900                         if (table.isDisposed()) return;
 901
 902                         Display display = table.getDisplay();
 903
 904                         // Perform the updates on the UI thread)
 905                         display.asyncExec(new Runnable() {
 906                                 @Override
 907                                 public void run() {
 908                                         if (!table.isDisposed()) {
 909                                                 tableViewer.setInput(items); // This shall be the minimal
 910                                                 // initial
 911                                                 tableFilter = new ViewProcessFilter(tableViewer);
 912                                                 tableViewer.setFilters(new ViewerFilter[] { tableFilter });
 913
 914                                                 resizeTableColumns(table);
 915                                                 table.update();
 916                                                 tableViewer.refresh();
 917
 918                                                 tsfviewer.display(items, startBoundTime, endBoundTime,
 919                                                                 updateTimeBounds);
 920
 921                                                 // validate visible boundaries
 922                                                 if (startVisibleWindow > -1 && endVisibleWindow > -1) {
 923                                                         tsfviewer.setSelectVisTimeWindow(startVisibleWindow,
 924                                                                         endVisibleWindow, source);
 925                                                 }
 926
 927                                                 tsfviewer.resizeControls();
 928
 929                                                 // Adjust asynchronously the size of the vertical scroll bar to fit the
 930                                                 // contents
 931                         tableViewer.getTable().getDisplay().asyncExec(new Runnable() {
 932                             @Override
 933                             public void run() {
 934                                 if ((scrollFrame != null) && (!scrollFrame.isDisposed())) {
 935                                     updateScrolls(scrollFrame);
 936                                 }
 937                             }
 938                         });
 939                                         }
 940                                 }
 941                         });
 942                 }
 943         }
 944
 945         @Override
 946         public void dispose() {
 947                 // dispose parent resources
 948                 super.dispose();
 949
 950                 tsfviewer.removeFilterSelectionListner(this);
 951                 tsfviewer.removeWidgetSelectionListner(this);
 952                 tsfviewer.removeWidgetTimeScaleSelectionListner(this);
 953                 tableViewer = null;
 954                 tsfviewer = null;
 955         }
 956
 957         /**
 958          * @param tableComposite
 959          * @param table
 960          */
 961         private synchronized void resizeTableColumns(Table table) {
 962                 if (table != null) {
 963                         Composite parent = table.getParent();
 964                         int tableWidthSum = parent.getBorderWidth();
 965
 966                         TableColumn[] columns = table.getColumns();
 967                         for (TableColumn column : columns) {
 968                                 column.pack();
 969                                 tableWidthSum += column.getWidth();
 970                         }
 971                 }
 972         }
 973
 974         @Override
 975         public void tmfTaProcessFilterSelection(TmfTimeFilterSelectionEvent event) {
 976                 if (tableFilter != null) {
 977                         Vector<ITmfTimeAnalysisEntry> filteredout = event.getFilteredOut();
 978                         if (filteredout != null) {
 979                                 tableFilter.setFilter(filteredout);
 980                         } else {
 981                                 tableFilter.setFilter(new Vector<ITmfTimeAnalysisEntry>());
 982                         }
 983                         tableViewer.refresh();
 984                 }
 985         }
 986
 987         /**
 988          * @param scrollFrame
 989          * @param wrapper
 990          */
 991         private void updateScrolls(final ScrolledComposite scrollFrame) {
 992                 scrollFrame.setMinSize(tableViewer.getTable().computeSize(SWT.DEFAULT, SWT.DEFAULT));
 993         }
 994
 995         /**
 996          * Registers as listener of time selection from other views
 997          *
 998          * @param signal
 999          */
1000         @Override
1001         @TmfSignalHandler
1002         public void synchToTime(TmfTimeSynchSignal signal) {
1003                 super.synchToTime(signal);
1004         }
1005
1006         /**
1007          * Annotation Registers as listener of time range selection from other views
1008          * The implementation handles the entry of the signal.
1009          *
1010          * @param signal
1011          */
1012         @TmfSignalHandler
1013         public void synchToTimeRange(TmfRangeSynchSignal signal) {
1014                 if (zoomFilter != null) {
1015                         synchToTimeRange(signal, zoomFilter.isChecked());
1016                 }
1017         }
1018
1019         @Override
1020         public void modelIncomplete(ILttngSyntEventRequest request) {
1021                 // Nothing to do
1022                 // The data will be refreshed on the next request
1023         }
1024
1025         /*
1026          * (non-Javadoc)
1027          *
1028          * @see org.eclipse.linuxtools.lttng.ui.views.common.AbsTimeUpdateView#
1029          * getEventProcessor()
1030          */
1031         @Override
1032         public ITransEventProcessor getEventProcessor() {
1033                 return FlowEventToHandlerFactory.getInstance();
1034         }
1035
1036         /**
1037          * @param signal
1038          */
1039         @TmfSignalHandler
1040         public void experimentSelected(
1041                         TmfExperimentSelectedSignal<? extends TmfEvent> signal) {
1042                 if (signal != null) {
1043                         TmfTimeRange experimentTRange = signal.getExperiment()
1044                                         .getTimeRange();
1045
1046                         // prepare time intervals in widget
1047                         ModelUpdateInit(experimentTRange, experimentTRange, signal
1048                                         .getSource());
1049
1050                         // request initial data
1051                         initialExperimentDataRequest(signal
1052                                         .getSource(), experimentTRange);
1053                 }
1054         }
1055
1056         /**
1057          * @param source
1058          * @param experimentTRange
1059          * @return Adjusted time window used for the request (smaller window to
1060          *         initialize view)
1061          */
1062         private TmfTimeRange initialExperimentDataRequest(Object source,
1063                         TmfTimeRange experimentTRange) {
1064                 // Adjust the initial time window to a shorter interval to allow
1065                 // user to select the interesting area based on the perspective
1066                 TmfTimeRange initTimeWindow = getInitTRange(experimentTRange);
1067
1068                 dataRequest(initTimeWindow, experimentTRange, true, ExecutionType.FOREGROUND);
1069                 if (TraceDebug.isDEBUG()) {
1070                         TraceDebug.debug("Initialization request time range is: " //$NON-NLS-1$
1071                                         + initTimeWindow.getStartTime().toString() + "-" //$NON-NLS-1$
1072                                         + initTimeWindow.getEndTime().toString());
1073                 }
1074
1075                 return initTimeWindow;
1076         }
1077
1078         // *** HACK ***
1079         //
1080         //
1081         //
1082         public int checkForSWTBugItemHeightAdjustement() {
1083                 int returnedAjustement = 0;
1084                 String desktopSessionName = System.getenv("DESKTOP_SESSION"); //$NON-NLS-1$
1085
1086                 // Gnome : most common case, no adjustement
1087                 if ( desktopSessionName.equals("gnome") ) { //$NON-NLS-1$
1088                         returnedAjustement = 0;
1089                 }
1090                 // Kde : ajustement of 2 is needed
1091                 else if ( desktopSessionName.equals("kde") ) { //$NON-NLS-1$
1092                         returnedAjustement = 2;
1093                 }
1094
1095                 return returnedAjustement;
1096         }
1097
1098         /*
1099          * (non-Javadoc)
1100          *
1101          * @see org.eclipse.linuxtools.lttng.ui.views.common.AbsTimeUpdateView#
1102          * getParamsUpdater()
1103          */
1104         @Override
1105         protected ParamsUpdater getParamsUpdater() {
1106                 return FlowModelFactory.getParamsUpdater();
1107         }
1108
1109         /*
1110          * (non-Javadoc)
1111          *
1112          * @see org.eclipse.linuxtools.lttng.ui.views.common.AbsTimeUpdateView#
1113          * getItemContainer()
1114          */
1115         @Override
1116         protected ItemContainer<?> getItemContainer() {
1117                 return FlowModelFactory.getProcContainer();
1118         }
1119
1120         /*
1121          * (non-Javadoc)
1122          * @see org.eclipse.linuxtools.lttng.ui.views.common.AbsTimeUpdateView#getProviderId()
1123          */
1124         @Override
1125         protected int getProviderId() {
1126             return LttngCoreProviderFactory.CONTROL_FLOW_LTTNG_SYTH_EVENT_PROVIDER;
1127         }
1128 }