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