| 1 | /******************************************************************************* |
| 2 | * Copyright (c) 2012, 2014 Ericsson, others |
| 3 | * |
| 4 | * All rights reserved. This program and the accompanying materials are |
| 5 | * made available under the terms of the Eclipse Public License v1.0 which |
| 6 | * accompanies this distribution, and is available at |
| 7 | * http://www.eclipse.org/legal/epl-v10.html |
| 8 | * |
| 9 | * Contributors: |
| 10 | * Patrick Tasse - Initial API and implementation |
| 11 | * François Rajotte - Filter implementation |
| 12 | * Geneviève Bastien - Add event links between entries |
| 13 | *******************************************************************************/ |
| 14 | |
| 15 | package org.eclipse.tracecompass.tmf.ui.widgets.timegraph; |
| 16 | |
| 17 | import java.util.ArrayList; |
| 18 | import java.util.Arrays; |
| 19 | import java.util.HashMap; |
| 20 | import java.util.HashSet; |
| 21 | import java.util.List; |
| 22 | import java.util.Map; |
| 23 | import java.util.Set; |
| 24 | |
| 25 | import org.eclipse.jdt.annotation.NonNull; |
| 26 | import org.eclipse.jface.action.Action; |
| 27 | import org.eclipse.jface.viewers.AbstractTreeViewer; |
| 28 | import org.eclipse.jface.viewers.ILabelProviderListener; |
| 29 | import org.eclipse.jface.viewers.ISelectionChangedListener; |
| 30 | import org.eclipse.jface.viewers.IStructuredSelection; |
| 31 | import org.eclipse.jface.viewers.ITableLabelProvider; |
| 32 | import org.eclipse.jface.viewers.ITreeContentProvider; |
| 33 | import org.eclipse.jface.viewers.ITreeViewerListener; |
| 34 | import org.eclipse.jface.viewers.SelectionChangedEvent; |
| 35 | import org.eclipse.jface.viewers.StructuredSelection; |
| 36 | import org.eclipse.jface.viewers.TreeExpansionEvent; |
| 37 | import org.eclipse.jface.viewers.TreeViewer; |
| 38 | import org.eclipse.jface.viewers.Viewer; |
| 39 | import org.eclipse.jface.viewers.ViewerFilter; |
| 40 | import org.eclipse.swt.SWT; |
| 41 | import org.eclipse.swt.custom.SashForm; |
| 42 | import org.eclipse.swt.events.ControlAdapter; |
| 43 | import org.eclipse.swt.events.ControlEvent; |
| 44 | import org.eclipse.swt.events.MouseEvent; |
| 45 | import org.eclipse.swt.events.MouseTrackAdapter; |
| 46 | import org.eclipse.swt.events.MouseWheelListener; |
| 47 | import org.eclipse.swt.events.PaintEvent; |
| 48 | import org.eclipse.swt.events.PaintListener; |
| 49 | import org.eclipse.swt.events.SelectionAdapter; |
| 50 | import org.eclipse.swt.events.SelectionEvent; |
| 51 | import org.eclipse.swt.graphics.Image; |
| 52 | import org.eclipse.swt.graphics.Point; |
| 53 | import org.eclipse.swt.graphics.Rectangle; |
| 54 | import org.eclipse.swt.layout.FillLayout; |
| 55 | import org.eclipse.swt.widgets.Composite; |
| 56 | import org.eclipse.swt.widgets.Display; |
| 57 | import org.eclipse.swt.widgets.Event; |
| 58 | import org.eclipse.swt.widgets.Listener; |
| 59 | import org.eclipse.swt.widgets.Slider; |
| 60 | import org.eclipse.swt.widgets.Tree; |
| 61 | import org.eclipse.swt.widgets.TreeColumn; |
| 62 | import org.eclipse.swt.widgets.TreeItem; |
| 63 | import org.eclipse.tracecompass.internal.tmf.ui.Activator; |
| 64 | import org.eclipse.tracecompass.internal.tmf.ui.ITmfImageConstants; |
| 65 | import org.eclipse.tracecompass.internal.tmf.ui.Messages; |
| 66 | import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.dialogs.TimeGraphFilterDialog; |
| 67 | import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.ILinkEvent; |
| 68 | import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.ITimeGraphEntry; |
| 69 | |
| 70 | /** |
| 71 | * Time graph "combo" view (with the list/tree on the left and the gantt chart |
| 72 | * on the right) |
| 73 | * |
| 74 | * @version 1.0 |
| 75 | * @author Patrick Tasse |
| 76 | */ |
| 77 | public class TimeGraphCombo extends Composite { |
| 78 | |
| 79 | // ------------------------------------------------------------------------ |
| 80 | // Constants |
| 81 | // ------------------------------------------------------------------------ |
| 82 | |
| 83 | /** Constant indicating that all levels of the time graph should be expanded |
| 84 | * @since 3.1 */ |
| 85 | public static final int ALL_LEVELS = AbstractTreeViewer.ALL_LEVELS; |
| 86 | |
| 87 | private static final Object FILLER = new Object(); |
| 88 | |
| 89 | private static final String ITEM_HEIGHT = "$height$"; //$NON-NLS-1$ |
| 90 | |
| 91 | // ------------------------------------------------------------------------ |
| 92 | // Fields |
| 93 | // ------------------------------------------------------------------------ |
| 94 | |
| 95 | /** The tree viewer */ |
| 96 | private TreeViewer fTreeViewer; |
| 97 | |
| 98 | /** The time viewer */ |
| 99 | private @NonNull TimeGraphViewer fTimeGraphViewer; |
| 100 | |
| 101 | /** The selection listener map */ |
| 102 | private final Map<ITimeGraphSelectionListener, SelectionListenerWrapper> fSelectionListenerMap = new HashMap<>(); |
| 103 | |
| 104 | /** The map of viewer filters */ |
| 105 | private final Map<ViewerFilter, ViewerFilter> fViewerFilterMap = new HashMap<>(); |
| 106 | |
| 107 | /** |
| 108 | * Flag to block the tree selection changed listener when triggered by the |
| 109 | * time graph combo |
| 110 | */ |
| 111 | private boolean fInhibitTreeSelection = false; |
| 112 | |
| 113 | /** Number of filler rows used by the tree content provider */ |
| 114 | private int fNumFillerRows; |
| 115 | |
| 116 | /** Calculated item height for Linux workaround */ |
| 117 | private int fLinuxItemHeight = 0; |
| 118 | |
| 119 | /** The button that opens the filter dialog */ |
| 120 | private Action showFilterAction; |
| 121 | |
| 122 | /** The filter dialog */ |
| 123 | private TimeGraphFilterDialog fFilterDialog; |
| 124 | |
| 125 | /** The filter generated from the filter dialog */ |
| 126 | private RawViewerFilter fFilter; |
| 127 | |
| 128 | /** Default weight of each part of the sash */ |
| 129 | private static final int[] DEFAULT_WEIGHTS = { 1, 1 }; |
| 130 | |
| 131 | /** List of all expanded items whose parents are also expanded */ |
| 132 | private List<TreeItem> fVisibleExpandedItems = null; |
| 133 | |
| 134 | // ------------------------------------------------------------------------ |
| 135 | // Classes |
| 136 | // ------------------------------------------------------------------------ |
| 137 | |
| 138 | /** |
| 139 | * The TreeContentProviderWrapper is used to insert filler items after |
| 140 | * the elements of the tree's real content provider. |
| 141 | */ |
| 142 | private class TreeContentProviderWrapper implements ITreeContentProvider { |
| 143 | private final ITreeContentProvider contentProvider; |
| 144 | |
| 145 | public TreeContentProviderWrapper(ITreeContentProvider contentProvider) { |
| 146 | this.contentProvider = contentProvider; |
| 147 | } |
| 148 | |
| 149 | @Override |
| 150 | public void dispose() { |
| 151 | contentProvider.dispose(); |
| 152 | } |
| 153 | |
| 154 | @Override |
| 155 | public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { |
| 156 | contentProvider.inputChanged(viewer, oldInput, newInput); |
| 157 | } |
| 158 | |
| 159 | @Override |
| 160 | public Object[] getElements(Object inputElement) { |
| 161 | Object[] elements = contentProvider.getElements(inputElement); |
| 162 | // add filler elements to ensure alignment with time analysis viewer |
| 163 | Object[] oElements = Arrays.copyOf(elements, elements.length + fNumFillerRows, Object[].class); |
| 164 | for (int i = 0; i < fNumFillerRows; i++) { |
| 165 | oElements[elements.length + i] = FILLER; |
| 166 | } |
| 167 | return oElements; |
| 168 | } |
| 169 | |
| 170 | @Override |
| 171 | public Object[] getChildren(Object parentElement) { |
| 172 | if (parentElement instanceof ITimeGraphEntry) { |
| 173 | return contentProvider.getChildren(parentElement); |
| 174 | } |
| 175 | return new Object[0]; |
| 176 | } |
| 177 | |
| 178 | @Override |
| 179 | public Object getParent(Object element) { |
| 180 | if (element instanceof ITimeGraphEntry) { |
| 181 | return contentProvider.getParent(element); |
| 182 | } |
| 183 | return null; |
| 184 | } |
| 185 | |
| 186 | @Override |
| 187 | public boolean hasChildren(Object element) { |
| 188 | if (element instanceof ITimeGraphEntry) { |
| 189 | return contentProvider.hasChildren(element); |
| 190 | } |
| 191 | return false; |
| 192 | } |
| 193 | } |
| 194 | |
| 195 | /** |
| 196 | * The TreeLabelProviderWrapper is used to intercept the filler items |
| 197 | * from the calls to the tree's real label provider. |
| 198 | */ |
| 199 | private class TreeLabelProviderWrapper implements ITableLabelProvider { |
| 200 | private final ITableLabelProvider labelProvider; |
| 201 | |
| 202 | public TreeLabelProviderWrapper(ITableLabelProvider labelProvider) { |
| 203 | this.labelProvider = labelProvider; |
| 204 | } |
| 205 | |
| 206 | @Override |
| 207 | public void addListener(ILabelProviderListener listener) { |
| 208 | labelProvider.addListener(listener); |
| 209 | } |
| 210 | |
| 211 | @Override |
| 212 | public void dispose() { |
| 213 | labelProvider.dispose(); |
| 214 | } |
| 215 | |
| 216 | @Override |
| 217 | public boolean isLabelProperty(Object element, String property) { |
| 218 | if (element instanceof ITimeGraphEntry) { |
| 219 | return labelProvider.isLabelProperty(element, property); |
| 220 | } |
| 221 | return false; |
| 222 | } |
| 223 | |
| 224 | @Override |
| 225 | public void removeListener(ILabelProviderListener listener) { |
| 226 | labelProvider.removeListener(listener); |
| 227 | } |
| 228 | |
| 229 | @Override |
| 230 | public Image getColumnImage(Object element, int columnIndex) { |
| 231 | if (element instanceof ITimeGraphEntry) { |
| 232 | return labelProvider.getColumnImage(element, columnIndex); |
| 233 | } |
| 234 | return null; |
| 235 | } |
| 236 | |
| 237 | @Override |
| 238 | public String getColumnText(Object element, int columnIndex) { |
| 239 | if (element instanceof ITimeGraphEntry) { |
| 240 | return labelProvider.getColumnText(element, columnIndex); |
| 241 | } |
| 242 | return null; |
| 243 | } |
| 244 | |
| 245 | } |
| 246 | |
| 247 | /** |
| 248 | * The SelectionListenerWrapper is used to intercept the filler items from |
| 249 | * the time graph combo's real selection listener, and to prevent double |
| 250 | * notifications from being sent when selection changes in both tree and |
| 251 | * time graph at the same time. |
| 252 | */ |
| 253 | private class SelectionListenerWrapper implements ISelectionChangedListener, ITimeGraphSelectionListener { |
| 254 | private final ITimeGraphSelectionListener listener; |
| 255 | private ITimeGraphEntry selection = null; |
| 256 | |
| 257 | public SelectionListenerWrapper(ITimeGraphSelectionListener listener) { |
| 258 | this.listener = listener; |
| 259 | } |
| 260 | |
| 261 | @Override |
| 262 | public void selectionChanged(SelectionChangedEvent event) { |
| 263 | if (fInhibitTreeSelection) { |
| 264 | return; |
| 265 | } |
| 266 | Object element = ((IStructuredSelection) event.getSelection()).getFirstElement(); |
| 267 | if (element instanceof ITimeGraphEntry) { |
| 268 | ITimeGraphEntry entry = (ITimeGraphEntry) element; |
| 269 | if (entry != selection) { |
| 270 | selection = entry; |
| 271 | listener.selectionChanged(new TimeGraphSelectionEvent(event.getSource(), selection)); |
| 272 | } |
| 273 | } |
| 274 | } |
| 275 | |
| 276 | @Override |
| 277 | public void selectionChanged(TimeGraphSelectionEvent event) { |
| 278 | ITimeGraphEntry entry = event.getSelection(); |
| 279 | if (entry != selection) { |
| 280 | selection = entry; |
| 281 | listener.selectionChanged(new TimeGraphSelectionEvent(event.getSource(), selection)); |
| 282 | } |
| 283 | } |
| 284 | } |
| 285 | |
| 286 | /** |
| 287 | * The ViewerFilterWrapper is used to intercept the filler items from |
| 288 | * the time graph combo's real ViewerFilters. These filler items should |
| 289 | * always be visible. |
| 290 | */ |
| 291 | private class ViewerFilterWrapper extends ViewerFilter { |
| 292 | |
| 293 | private ViewerFilter fWrappedFilter; |
| 294 | |
| 295 | ViewerFilterWrapper(ViewerFilter filter) { |
| 296 | super(); |
| 297 | this.fWrappedFilter = filter; |
| 298 | } |
| 299 | |
| 300 | @Override |
| 301 | public boolean select(Viewer viewer, Object parentElement, Object element) { |
| 302 | if (element instanceof ITimeGraphEntry) { |
| 303 | return fWrappedFilter.select(viewer, parentElement, element); |
| 304 | } |
| 305 | return true; |
| 306 | } |
| 307 | |
| 308 | } |
| 309 | |
| 310 | /** |
| 311 | * This filter simply keeps a list of elements that should be filtered out. |
| 312 | * All the other elements will be shown. |
| 313 | * By default and when the list is set to null, all elements are shown. |
| 314 | */ |
| 315 | private class RawViewerFilter extends ViewerFilter { |
| 316 | |
| 317 | private List<Object> fFiltered = null; |
| 318 | |
| 319 | public void setFiltered(List<Object> objects) { |
| 320 | fFiltered = objects; |
| 321 | } |
| 322 | |
| 323 | public List<Object> getFiltered() { |
| 324 | return fFiltered; |
| 325 | } |
| 326 | |
| 327 | @Override |
| 328 | public boolean select(Viewer viewer, Object parentElement, Object element) { |
| 329 | if (fFiltered == null) { |
| 330 | return true; |
| 331 | } |
| 332 | return !fFiltered.contains(element); |
| 333 | } |
| 334 | } |
| 335 | |
| 336 | // ------------------------------------------------------------------------ |
| 337 | // Constructors |
| 338 | // ------------------------------------------------------------------------ |
| 339 | |
| 340 | /** |
| 341 | * Constructs a new instance of this class given its parent |
| 342 | * and a style value describing its behavior and appearance. |
| 343 | * |
| 344 | * @param parent a widget which will be the parent of the new instance (cannot be null) |
| 345 | * @param style the style of widget to construct |
| 346 | */ |
| 347 | public TimeGraphCombo(Composite parent, int style) { |
| 348 | this(parent, style, DEFAULT_WEIGHTS); |
| 349 | } |
| 350 | |
| 351 | /** |
| 352 | * Constructs a new instance of this class given its parent and a style |
| 353 | * value describing its behavior and appearance. |
| 354 | * |
| 355 | * @param parent |
| 356 | * a widget which will be the parent of the new instance (cannot |
| 357 | * be null) |
| 358 | * @param style |
| 359 | * the style of widget to construct |
| 360 | * @param weights |
| 361 | * The relative weights of each side of the sash form |
| 362 | * @since 2.1 |
| 363 | */ |
| 364 | public TimeGraphCombo(Composite parent, int style, int[] weights) { |
| 365 | super(parent, style); |
| 366 | setLayout(new FillLayout()); |
| 367 | |
| 368 | final SashForm sash = new SashForm(this, SWT.NONE); |
| 369 | |
| 370 | fTreeViewer = new TreeViewer(sash, SWT.FULL_SELECTION | SWT.H_SCROLL); |
| 371 | fTreeViewer.setAutoExpandLevel(AbstractTreeViewer.ALL_LEVELS); |
| 372 | final Tree tree = fTreeViewer.getTree(); |
| 373 | tree.setHeaderVisible(true); |
| 374 | tree.setLinesVisible(true); |
| 375 | |
| 376 | fTimeGraphViewer = new TimeGraphViewer(sash, SWT.NONE); |
| 377 | fTimeGraphViewer.setItemHeight(getItemHeight(tree)); |
| 378 | fTimeGraphViewer.setHeaderHeight(tree.getHeaderHeight()); |
| 379 | fTimeGraphViewer.setBorderWidth(tree.getBorderWidth()); |
| 380 | fTimeGraphViewer.setNameWidthPref(0); |
| 381 | |
| 382 | fFilter = new RawViewerFilter(); |
| 383 | addFilter(fFilter); |
| 384 | |
| 385 | fFilterDialog = new TimeGraphFilterDialog(getShell()); |
| 386 | |
| 387 | // Feature in Windows. The tree vertical bar reappears when |
| 388 | // the control is resized so we need to hide it again. |
| 389 | // Bug in Linux. The tree header height is 0 in constructor, |
| 390 | // so we need to reset it later when the control is resized. |
| 391 | tree.addControlListener(new ControlAdapter() { |
| 392 | private int depth = 0; |
| 393 | @Override |
| 394 | public void controlResized(ControlEvent e) { |
| 395 | if (depth == 0) { |
| 396 | depth++; |
| 397 | tree.getVerticalBar().setEnabled(false); |
| 398 | // this can trigger controlResized recursively |
| 399 | tree.getVerticalBar().setVisible(false); |
| 400 | depth--; |
| 401 | } |
| 402 | fTimeGraphViewer.setHeaderHeight(tree.getHeaderHeight()); |
| 403 | } |
| 404 | }); |
| 405 | |
| 406 | // ensure synchronization of expanded items between tree and time graph |
| 407 | fTreeViewer.addTreeListener(new ITreeViewerListener() { |
| 408 | @Override |
| 409 | public void treeCollapsed(TreeExpansionEvent event) { |
| 410 | fTimeGraphViewer.setExpandedState((ITimeGraphEntry) event.getElement(), false); |
| 411 | // queue the alignment update because the tree items may only be |
| 412 | // actually collapsed after the listeners have been notified |
| 413 | fVisibleExpandedItems = null; // invalidate the cache |
| 414 | getDisplay().asyncExec(new Runnable() { |
| 415 | @Override |
| 416 | public void run() { |
| 417 | alignTreeItems(true); |
| 418 | }}); |
| 419 | } |
| 420 | |
| 421 | @Override |
| 422 | public void treeExpanded(TreeExpansionEvent event) { |
| 423 | ITimeGraphEntry entry = (ITimeGraphEntry) event.getElement(); |
| 424 | fTimeGraphViewer.setExpandedState(entry, true); |
| 425 | Set<Object> expandedElements = new HashSet<>(Arrays.asList(fTreeViewer.getExpandedElements())); |
| 426 | for (ITimeGraphEntry child : entry.getChildren()) { |
| 427 | if (child.hasChildren()) { |
| 428 | boolean expanded = expandedElements.contains(child); |
| 429 | fTimeGraphViewer.setExpandedState(child, expanded); |
| 430 | } |
| 431 | } |
| 432 | // queue the alignment update because the tree items may only be |
| 433 | // actually expanded after the listeners have been notified |
| 434 | fVisibleExpandedItems = null; // invalidate the cache |
| 435 | getDisplay().asyncExec(new Runnable() { |
| 436 | @Override |
| 437 | public void run() { |
| 438 | alignTreeItems(true); |
| 439 | }}); |
| 440 | } |
| 441 | }); |
| 442 | |
| 443 | // ensure synchronization of expanded items between tree and time graph |
| 444 | fTimeGraphViewer.addTreeListener(new ITimeGraphTreeListener() { |
| 445 | @Override |
| 446 | public void treeCollapsed(TimeGraphTreeExpansionEvent event) { |
| 447 | fTreeViewer.setExpandedState(event.getEntry(), false); |
| 448 | alignTreeItems(true); |
| 449 | } |
| 450 | |
| 451 | @Override |
| 452 | public void treeExpanded(TimeGraphTreeExpansionEvent event) { |
| 453 | ITimeGraphEntry entry = event.getEntry(); |
| 454 | fTreeViewer.setExpandedState(entry, true); |
| 455 | Set<Object> expandedElements = new HashSet<>(Arrays.asList(fTreeViewer.getExpandedElements())); |
| 456 | for (ITimeGraphEntry child : entry.getChildren()) { |
| 457 | if (child.hasChildren()) { |
| 458 | boolean expanded = expandedElements.contains(child); |
| 459 | fTimeGraphViewer.setExpandedState(child, expanded); |
| 460 | } |
| 461 | } |
| 462 | alignTreeItems(true); |
| 463 | } |
| 464 | }); |
| 465 | |
| 466 | // prevent mouse button from selecting a filler tree item |
| 467 | tree.addListener(SWT.MouseDown, new Listener() { |
| 468 | @Override |
| 469 | public void handleEvent(Event event) { |
| 470 | TreeItem treeItem = tree.getItem(new Point(event.x, event.y)); |
| 471 | if (treeItem == null || treeItem.getData() == FILLER) { |
| 472 | event.doit = false; |
| 473 | List<TreeItem> treeItems = getVisibleExpandedItems(tree, false); |
| 474 | if (treeItems.size() == 0) { |
| 475 | fTreeViewer.setSelection(new StructuredSelection()); |
| 476 | fTimeGraphViewer.setSelection(null); |
| 477 | return; |
| 478 | } |
| 479 | // this prevents from scrolling up when selecting |
| 480 | // the partially visible tree item at the bottom |
| 481 | tree.select(treeItems.get(treeItems.size() - 1)); |
| 482 | fTreeViewer.setSelection(new StructuredSelection()); |
| 483 | fTimeGraphViewer.setSelection(null); |
| 484 | } |
| 485 | } |
| 486 | }); |
| 487 | |
| 488 | // prevent mouse wheel from scrolling down into filler tree items |
| 489 | tree.addListener(SWT.MouseWheel, new Listener() { |
| 490 | @Override |
| 491 | public void handleEvent(Event event) { |
| 492 | event.doit = false; |
| 493 | Slider scrollBar = fTimeGraphViewer.getVerticalBar(); |
| 494 | fTimeGraphViewer.setTopIndex(scrollBar.getSelection() - event.count); |
| 495 | alignTreeItems(false); |
| 496 | } |
| 497 | }); |
| 498 | |
| 499 | // prevent key stroke from selecting a filler tree item |
| 500 | tree.addListener(SWT.KeyDown, new Listener() { |
| 501 | @Override |
| 502 | public void handleEvent(Event event) { |
| 503 | List<TreeItem> treeItems = getVisibleExpandedItems(tree, false); |
| 504 | if (treeItems.size() == 0) { |
| 505 | fTreeViewer.setSelection(new StructuredSelection()); |
| 506 | event.doit = false; |
| 507 | return; |
| 508 | } |
| 509 | if (event.keyCode == SWT.ARROW_DOWN) { |
| 510 | int index = Math.min(fTimeGraphViewer.getSelectionIndex() + 1, treeItems.size() - 1); |
| 511 | fTimeGraphViewer.setSelection((ITimeGraphEntry) treeItems.get(index).getData()); |
| 512 | event.doit = false; |
| 513 | } else if (event.keyCode == SWT.PAGE_DOWN) { |
| 514 | int height = tree.getSize().y - tree.getHeaderHeight() - tree.getHorizontalBar().getSize().y; |
| 515 | int countPerPage = height / getItemHeight(tree); |
| 516 | int index = Math.min(fTimeGraphViewer.getSelectionIndex() + countPerPage - 1, treeItems.size() - 1); |
| 517 | fTimeGraphViewer.setSelection((ITimeGraphEntry) treeItems.get(index).getData()); |
| 518 | event.doit = false; |
| 519 | } else if (event.keyCode == SWT.END) { |
| 520 | fTimeGraphViewer.setSelection((ITimeGraphEntry) treeItems.get(treeItems.size() - 1).getData()); |
| 521 | event.doit = false; |
| 522 | } |
| 523 | if (fTimeGraphViewer.getSelectionIndex() >= 0) { |
| 524 | fTreeViewer.setSelection(new StructuredSelection(fTimeGraphViewer.getSelection())); |
| 525 | } else { |
| 526 | fTreeViewer.setSelection(new StructuredSelection()); |
| 527 | } |
| 528 | alignTreeItems(false); |
| 529 | } |
| 530 | }); |
| 531 | |
| 532 | // ensure alignment of top item between tree and time graph |
| 533 | fTimeGraphViewer.getTimeGraphControl().addControlListener(new ControlAdapter() { |
| 534 | @Override |
| 535 | public void controlResized(ControlEvent e) { |
| 536 | alignTreeItems(false); |
| 537 | } |
| 538 | }); |
| 539 | |
| 540 | // ensure synchronization of selected item between tree and time graph |
| 541 | fTreeViewer.addSelectionChangedListener(new ISelectionChangedListener() { |
| 542 | @Override |
| 543 | public void selectionChanged(SelectionChangedEvent event) { |
| 544 | if (fInhibitTreeSelection) { |
| 545 | return; |
| 546 | } |
| 547 | if (event.getSelection() instanceof IStructuredSelection) { |
| 548 | Object selection = ((IStructuredSelection) event.getSelection()).getFirstElement(); |
| 549 | if (selection instanceof ITimeGraphEntry) { |
| 550 | fTimeGraphViewer.setSelection((ITimeGraphEntry) selection); |
| 551 | } |
| 552 | alignTreeItems(false); |
| 553 | } |
| 554 | } |
| 555 | }); |
| 556 | |
| 557 | // ensure synchronization of selected item between tree and time graph |
| 558 | fTimeGraphViewer.addSelectionListener(new ITimeGraphSelectionListener() { |
| 559 | @Override |
| 560 | public void selectionChanged(TimeGraphSelectionEvent event) { |
| 561 | ITimeGraphEntry entry = fTimeGraphViewer.getSelection(); |
| 562 | fInhibitTreeSelection = true; // block the tree selection changed listener |
| 563 | if (entry != null) { |
| 564 | StructuredSelection selection = new StructuredSelection(entry); |
| 565 | fTreeViewer.setSelection(selection); |
| 566 | } else { |
| 567 | fTreeViewer.setSelection(new StructuredSelection()); |
| 568 | } |
| 569 | fInhibitTreeSelection = false; |
| 570 | alignTreeItems(false); |
| 571 | } |
| 572 | }); |
| 573 | |
| 574 | // ensure alignment of top item between tree and time graph |
| 575 | fTimeGraphViewer.getVerticalBar().addSelectionListener(new SelectionAdapter() { |
| 576 | @Override |
| 577 | public void widgetSelected(SelectionEvent e) { |
| 578 | alignTreeItems(false); |
| 579 | } |
| 580 | }); |
| 581 | |
| 582 | // ensure alignment of top item between tree and time graph |
| 583 | fTimeGraphViewer.getTimeGraphControl().addMouseWheelListener(new MouseWheelListener() { |
| 584 | @Override |
| 585 | public void mouseScrolled(MouseEvent e) { |
| 586 | alignTreeItems(false); |
| 587 | } |
| 588 | }); |
| 589 | |
| 590 | // ensure the tree has focus control when mouse is over it if the time graph had control |
| 591 | fTreeViewer.getControl().addMouseTrackListener(new MouseTrackAdapter() { |
| 592 | @Override |
| 593 | public void mouseEnter(MouseEvent e) { |
| 594 | if (fTimeGraphViewer.getTimeGraphControl().isFocusControl()) { |
| 595 | fTreeViewer.getControl().setFocus(); |
| 596 | } |
| 597 | } |
| 598 | }); |
| 599 | |
| 600 | // ensure the time graph has focus control when mouse is over it if the tree had control |
| 601 | fTimeGraphViewer.getTimeGraphControl().addMouseTrackListener(new MouseTrackAdapter() { |
| 602 | @Override |
| 603 | public void mouseEnter(MouseEvent e) { |
| 604 | if (fTreeViewer.getControl().isFocusControl()) { |
| 605 | fTimeGraphViewer.getTimeGraphControl().setFocus(); |
| 606 | } |
| 607 | } |
| 608 | }); |
| 609 | fTimeGraphViewer.getTimeGraphScale().addMouseTrackListener(new MouseTrackAdapter() { |
| 610 | @Override |
| 611 | public void mouseEnter(MouseEvent e) { |
| 612 | if (fTreeViewer.getControl().isFocusControl()) { |
| 613 | fTimeGraphViewer.getTimeGraphControl().setFocus(); |
| 614 | } |
| 615 | } |
| 616 | }); |
| 617 | |
| 618 | // The filler rows are required to ensure alignment when the tree does not have a |
| 619 | // visible horizontal scroll bar. The tree does not allow its top item to be set |
| 620 | // to a value that would cause blank space to be drawn at the bottom of the tree. |
| 621 | fNumFillerRows = Display.getDefault().getBounds().height / getItemHeight(tree); |
| 622 | |
| 623 | sash.setWeights(weights); |
| 624 | } |
| 625 | |
| 626 | // ------------------------------------------------------------------------ |
| 627 | // Accessors |
| 628 | // ------------------------------------------------------------------------ |
| 629 | |
| 630 | /** |
| 631 | * Returns this time graph combo's tree viewer. |
| 632 | * |
| 633 | * @return the tree viewer |
| 634 | */ |
| 635 | public TreeViewer getTreeViewer() { |
| 636 | return fTreeViewer; |
| 637 | } |
| 638 | |
| 639 | /** |
| 640 | * Returns this time graph combo's time graph viewer. |
| 641 | * |
| 642 | * @return the time graph viewer |
| 643 | */ |
| 644 | public @NonNull TimeGraphViewer getTimeGraphViewer() { |
| 645 | return fTimeGraphViewer; |
| 646 | } |
| 647 | |
| 648 | /** |
| 649 | * Callback for the show filter action |
| 650 | * |
| 651 | * @since 2.0 |
| 652 | */ |
| 653 | public void showFilterDialog() { |
| 654 | ITimeGraphEntry[] topInput = fTimeGraphViewer.getTimeGraphContentProvider().getElements(fTimeGraphViewer.getInput()); |
| 655 | if (topInput != null) { |
| 656 | List<? extends ITimeGraphEntry> allElements = listAllInputs(Arrays.asList(topInput)); |
| 657 | fFilterDialog.setInput(fTimeGraphViewer.getInput()); |
| 658 | fFilterDialog.setTitle(Messages.TmfTimeFilterDialog_WINDOW_TITLE); |
| 659 | fFilterDialog.setMessage(Messages.TmfTimeFilterDialog_MESSAGE); |
| 660 | fFilterDialog.setExpandedElements(allElements.toArray()); |
| 661 | if (fFilter.getFiltered() != null) { |
| 662 | ArrayList<? extends ITimeGraphEntry> nonFilteredElements = new ArrayList<>(allElements); |
| 663 | nonFilteredElements.removeAll(fFilter.getFiltered()); |
| 664 | fFilterDialog.setInitialElementSelections(nonFilteredElements); |
| 665 | } else { |
| 666 | fFilterDialog.setInitialElementSelections(allElements); |
| 667 | } |
| 668 | fFilterDialog.create(); |
| 669 | fFilterDialog.open(); |
| 670 | // Process selected elements |
| 671 | if (fFilterDialog.getResult() != null) { |
| 672 | fInhibitTreeSelection = true; |
| 673 | if (fFilterDialog.getResult().length != allElements.size()) { |
| 674 | ArrayList<Object> filteredElements = new ArrayList<Object>(allElements); |
| 675 | filteredElements.removeAll(Arrays.asList(fFilterDialog.getResult())); |
| 676 | fFilter.setFiltered(filteredElements); |
| 677 | } else { |
| 678 | fFilter.setFiltered(null); |
| 679 | } |
| 680 | fTreeViewer.refresh(); |
| 681 | fTreeViewer.expandAll(); |
| 682 | fTimeGraphViewer.refresh(); |
| 683 | fInhibitTreeSelection = false; |
| 684 | alignTreeItems(true); |
| 685 | // Reset selection |
| 686 | if (fFilterDialog.getResult().length > 0) { |
| 687 | setSelection(null); |
| 688 | } |
| 689 | } |
| 690 | } |
| 691 | } |
| 692 | |
| 693 | /** |
| 694 | * Get the show filter action. |
| 695 | * |
| 696 | * @return The Action object |
| 697 | * @since 2.0 |
| 698 | */ |
| 699 | public Action getShowFilterAction() { |
| 700 | if (showFilterAction == null) { |
| 701 | // showFilter |
| 702 | showFilterAction = new Action() { |
| 703 | @Override |
| 704 | public void run() { |
| 705 | showFilterDialog(); |
| 706 | } |
| 707 | }; |
| 708 | showFilterAction.setText(Messages.TmfTimeGraphCombo_FilterActionNameText); |
| 709 | showFilterAction.setToolTipText(Messages.TmfTimeGraphCombo_FilterActionToolTipText); |
| 710 | // TODO find a nice, distinctive icon |
| 711 | showFilterAction.setImageDescriptor(Activator.getDefault().getImageDescripterFromPath(ITmfImageConstants.IMG_UI_FILTERS)); |
| 712 | } |
| 713 | |
| 714 | return showFilterAction; |
| 715 | } |
| 716 | |
| 717 | // ------------------------------------------------------------------------ |
| 718 | // Control |
| 719 | // ------------------------------------------------------------------------ |
| 720 | |
| 721 | @Override |
| 722 | public void redraw() { |
| 723 | fTimeGraphViewer.getControl().redraw(); |
| 724 | super.redraw(); |
| 725 | } |
| 726 | |
| 727 | // ------------------------------------------------------------------------ |
| 728 | // Operations |
| 729 | // ------------------------------------------------------------------------ |
| 730 | |
| 731 | /** |
| 732 | * Sets the tree content provider used by this time graph combo. |
| 733 | * |
| 734 | * @param contentProvider the tree content provider |
| 735 | */ |
| 736 | public void setTreeContentProvider(ITreeContentProvider contentProvider) { |
| 737 | fTreeViewer.setContentProvider(new TreeContentProviderWrapper(contentProvider)); |
| 738 | } |
| 739 | |
| 740 | /** |
| 741 | * Sets the tree label provider used by this time graph combo. |
| 742 | * |
| 743 | * @param labelProvider the tree label provider |
| 744 | */ |
| 745 | public void setTreeLabelProvider(ITableLabelProvider labelProvider) { |
| 746 | fTreeViewer.setLabelProvider(new TreeLabelProviderWrapper(labelProvider)); |
| 747 | } |
| 748 | |
| 749 | /** |
| 750 | * Sets the tree content provider used by the filter dialog |
| 751 | * |
| 752 | * @param contentProvider the tree content provider |
| 753 | * @since 2.0 |
| 754 | */ |
| 755 | public void setFilterContentProvider(ITreeContentProvider contentProvider) { |
| 756 | fFilterDialog.setContentProvider(contentProvider); |
| 757 | } |
| 758 | |
| 759 | /** |
| 760 | * Sets the tree label provider used by the filter dialog |
| 761 | * |
| 762 | * @param labelProvider the tree label provider |
| 763 | * @since 2.0 |
| 764 | */ |
| 765 | public void setFilterLabelProvider(ITableLabelProvider labelProvider) { |
| 766 | fFilterDialog.setLabelProvider(labelProvider); |
| 767 | } |
| 768 | |
| 769 | /** |
| 770 | * Sets the tree columns for this time graph combo. |
| 771 | * |
| 772 | * @param columnNames the tree column names |
| 773 | */ |
| 774 | public void setTreeColumns(String[] columnNames) { |
| 775 | final Tree tree = fTreeViewer.getTree(); |
| 776 | for (String columnName : columnNames) { |
| 777 | TreeColumn column = new TreeColumn(tree, SWT.LEFT); |
| 778 | column.setText(columnName); |
| 779 | column.pack(); |
| 780 | } |
| 781 | } |
| 782 | |
| 783 | /** |
| 784 | * Sets the tree columns for this time graph combo's filter dialog. |
| 785 | * |
| 786 | * @param columnNames the tree column names |
| 787 | * @since 2.0 |
| 788 | */ |
| 789 | public void setFilterColumns(String[] columnNames) { |
| 790 | fFilterDialog.setColumnNames(columnNames); |
| 791 | } |
| 792 | |
| 793 | /** |
| 794 | * Sets the time graph content provider used by this time graph combo. |
| 795 | * |
| 796 | * @param timeGraphContentProvider |
| 797 | * the time graph content provider |
| 798 | * |
| 799 | * @since 3.0 |
| 800 | */ |
| 801 | public void setTimeGraphContentProvider(ITimeGraphContentProvider timeGraphContentProvider) { |
| 802 | fTimeGraphViewer.setTimeGraphContentProvider(timeGraphContentProvider); |
| 803 | } |
| 804 | |
| 805 | /** |
| 806 | * Sets the time graph presentation provider used by this time graph combo. |
| 807 | * |
| 808 | * @param timeGraphProvider the time graph provider |
| 809 | */ |
| 810 | public void setTimeGraphProvider(ITimeGraphPresentationProvider timeGraphProvider) { |
| 811 | fTimeGraphViewer.setTimeGraphProvider(timeGraphProvider); |
| 812 | } |
| 813 | |
| 814 | /** |
| 815 | * Sets or clears the input for this time graph combo. |
| 816 | * |
| 817 | * @param input the input of this time graph combo, or <code>null</code> if none |
| 818 | * |
| 819 | * @since 3.0 |
| 820 | */ |
| 821 | public void setInput(Object input) { |
| 822 | fFilter.setFiltered(null); |
| 823 | fInhibitTreeSelection = true; |
| 824 | fTreeViewer.setInput(input); |
| 825 | for (SelectionListenerWrapper listenerWrapper : fSelectionListenerMap.values()) { |
| 826 | listenerWrapper.selection = null; |
| 827 | } |
| 828 | fInhibitTreeSelection = false; |
| 829 | fTreeViewer.getTree().getVerticalBar().setEnabled(false); |
| 830 | fTreeViewer.getTree().getVerticalBar().setVisible(false); |
| 831 | fTimeGraphViewer.setItemHeight(getItemHeight(fTreeViewer.getTree())); |
| 832 | fTimeGraphViewer.setInput(input); |
| 833 | // queue the alignment update because in Linux the item bounds are not |
| 834 | // set properly until the tree has been painted at least once |
| 835 | fVisibleExpandedItems = null; // invalidate the cache |
| 836 | getDisplay().asyncExec(new Runnable() { |
| 837 | @Override |
| 838 | public void run() { |
| 839 | alignTreeItems(true); |
| 840 | }}); |
| 841 | } |
| 842 | |
| 843 | /** |
| 844 | * Gets the input for this time graph combo. |
| 845 | * |
| 846 | * @return The input of this time graph combo, or <code>null</code> if none |
| 847 | * |
| 848 | * @since 3.0 |
| 849 | */ |
| 850 | public Object getInput() { |
| 851 | return fTreeViewer.getInput(); |
| 852 | } |
| 853 | |
| 854 | /** |
| 855 | * Sets or clears the list of links to display on this combo |
| 856 | * |
| 857 | * @param links the links to display in this time graph combo |
| 858 | * @since 2.1 |
| 859 | */ |
| 860 | public void setLinks(List<ILinkEvent> links) { |
| 861 | fTimeGraphViewer.setLinks(links); |
| 862 | } |
| 863 | |
| 864 | /** |
| 865 | * @param filter The filter object to be attached to the view |
| 866 | * @since 2.0 |
| 867 | */ |
| 868 | public void addFilter(ViewerFilter filter) { |
| 869 | ViewerFilter wrapper = new ViewerFilterWrapper(filter); |
| 870 | fTreeViewer.addFilter(wrapper); |
| 871 | fTimeGraphViewer.addFilter(wrapper); |
| 872 | fViewerFilterMap.put(filter, wrapper); |
| 873 | alignTreeItems(true); |
| 874 | } |
| 875 | |
| 876 | /** |
| 877 | * @param filter The filter object to be removed from the view |
| 878 | * @since 2.0 |
| 879 | */ |
| 880 | public void removeFilter(ViewerFilter filter) { |
| 881 | ViewerFilter wrapper = fViewerFilterMap.get(filter); |
| 882 | fTreeViewer.removeFilter(wrapper); |
| 883 | fTimeGraphViewer.removeFilter(wrapper); |
| 884 | fViewerFilterMap.remove(filter); |
| 885 | alignTreeItems(true); |
| 886 | } |
| 887 | |
| 888 | /** |
| 889 | * Refreshes this time graph completely with information freshly obtained from its model. |
| 890 | */ |
| 891 | public void refresh() { |
| 892 | fInhibitTreeSelection = true; |
| 893 | Tree tree = fTreeViewer.getTree(); |
| 894 | tree.setRedraw(false); |
| 895 | fTreeViewer.refresh(); |
| 896 | fTreeViewer.expandAll(); |
| 897 | tree.setRedraw(true); |
| 898 | fTimeGraphViewer.refresh(); |
| 899 | alignTreeItems(true); |
| 900 | fInhibitTreeSelection = false; |
| 901 | } |
| 902 | |
| 903 | /** |
| 904 | * Adds a listener for selection changes in this time graph combo. |
| 905 | * |
| 906 | * @param listener a selection listener |
| 907 | */ |
| 908 | public void addSelectionListener(ITimeGraphSelectionListener listener) { |
| 909 | SelectionListenerWrapper listenerWrapper = new SelectionListenerWrapper(listener); |
| 910 | fTreeViewer.addSelectionChangedListener(listenerWrapper); |
| 911 | fSelectionListenerMap.put(listener, listenerWrapper); |
| 912 | fTimeGraphViewer.addSelectionListener(listenerWrapper); |
| 913 | } |
| 914 | |
| 915 | /** |
| 916 | * Removes the given selection listener from this time graph combo. |
| 917 | * |
| 918 | * @param listener a selection changed listener |
| 919 | */ |
| 920 | public void removeSelectionListener(ITimeGraphSelectionListener listener) { |
| 921 | SelectionListenerWrapper listenerWrapper = fSelectionListenerMap.remove(listener); |
| 922 | fTreeViewer.removeSelectionChangedListener(listenerWrapper); |
| 923 | fTimeGraphViewer.removeSelectionListener(listenerWrapper); |
| 924 | } |
| 925 | |
| 926 | /** |
| 927 | * Sets the current selection for this time graph combo. |
| 928 | * |
| 929 | * @param selection the new selection |
| 930 | */ |
| 931 | public void setSelection(ITimeGraphEntry selection) { |
| 932 | fTimeGraphViewer.setSelection(selection); |
| 933 | fInhibitTreeSelection = true; // block the tree selection changed listener |
| 934 | if (selection != null) { |
| 935 | StructuredSelection structuredSelection = new StructuredSelection(selection); |
| 936 | fTreeViewer.setSelection(structuredSelection); |
| 937 | } else { |
| 938 | fTreeViewer.setSelection(new StructuredSelection()); |
| 939 | } |
| 940 | fInhibitTreeSelection = false; |
| 941 | alignTreeItems(false); |
| 942 | } |
| 943 | |
| 944 | /** |
| 945 | * Sets the auto-expand level to be used when the input of the viewer is set |
| 946 | * using {@link #setInput(Object)}. The value 0 means that there is no |
| 947 | * auto-expand; 1 means that top-level elements are expanded, but not their |
| 948 | * children; 2 means that top-level elements are expanded, and their |
| 949 | * children, but not grand-children; and so on. |
| 950 | * <p> |
| 951 | * The value {@link #ALL_LEVELS} means that all subtrees should be expanded. |
| 952 | * </p> |
| 953 | * @param level |
| 954 | * non-negative level, or <code>ALL_LEVELS</code> to expand all |
| 955 | * levels of the tree |
| 956 | * @since 3.1 |
| 957 | */ |
| 958 | public void setAutoExpandLevel(int level) { |
| 959 | fTimeGraphViewer.setAutoExpandLevel(level); |
| 960 | if (level <= 0) { |
| 961 | fTreeViewer.setAutoExpandLevel(level); |
| 962 | } else { |
| 963 | fTreeViewer.setAutoExpandLevel(level + 1); |
| 964 | } |
| 965 | } |
| 966 | |
| 967 | /** |
| 968 | * Returns the auto-expand level. |
| 969 | * |
| 970 | * @return non-negative level, or <code>ALL_LEVELS</code> if all levels of |
| 971 | * the tree are expanded automatically |
| 972 | * @see #setAutoExpandLevel |
| 973 | * @since 3.1 |
| 974 | */ |
| 975 | public int getAutoExpandLevel() { |
| 976 | return fTimeGraphViewer.getAutoExpandLevel(); |
| 977 | } |
| 978 | |
| 979 | /** |
| 980 | * Set the expanded state of an entry |
| 981 | * |
| 982 | * @param entry |
| 983 | * The entry to expand/collapse |
| 984 | * @param expanded |
| 985 | * True for expanded, false for collapsed |
| 986 | * |
| 987 | * @since 2.0 |
| 988 | */ |
| 989 | public void setExpandedState(ITimeGraphEntry entry, boolean expanded) { |
| 990 | fTimeGraphViewer.setExpandedState(entry, expanded); |
| 991 | fTreeViewer.setExpandedState(entry, expanded); |
| 992 | alignTreeItems(true); |
| 993 | } |
| 994 | |
| 995 | /** |
| 996 | * Collapses all nodes of the viewer's tree, starting with the root. |
| 997 | * |
| 998 | * @since 2.0 |
| 999 | */ |
| 1000 | public void collapseAll() { |
| 1001 | fTimeGraphViewer.collapseAll(); |
| 1002 | fTreeViewer.collapseAll(); |
| 1003 | alignTreeItems(true); |
| 1004 | } |
| 1005 | |
| 1006 | /** |
| 1007 | * Expands all nodes of the viewer's tree, starting with the root. |
| 1008 | * |
| 1009 | * @since 2.0 |
| 1010 | */ |
| 1011 | public void expandAll() { |
| 1012 | fTimeGraphViewer.expandAll(); |
| 1013 | fTreeViewer.expandAll(); |
| 1014 | alignTreeItems(true); |
| 1015 | } |
| 1016 | |
| 1017 | // ------------------------------------------------------------------------ |
| 1018 | // Internal |
| 1019 | // ------------------------------------------------------------------------ |
| 1020 | |
| 1021 | private List<TreeItem> getVisibleExpandedItems(Tree tree, boolean refresh) { |
| 1022 | if (fVisibleExpandedItems == null || refresh) { |
| 1023 | ArrayList<TreeItem> items = new ArrayList<>(); |
| 1024 | for (TreeItem item : tree.getItems()) { |
| 1025 | if (item.getData() == FILLER) { |
| 1026 | break; |
| 1027 | } |
| 1028 | items.add(item); |
| 1029 | if (item.getExpanded()) { |
| 1030 | addVisibleExpandedItems(items, item); |
| 1031 | } |
| 1032 | } |
| 1033 | fVisibleExpandedItems = items; |
| 1034 | } |
| 1035 | return fVisibleExpandedItems; |
| 1036 | } |
| 1037 | |
| 1038 | private void addVisibleExpandedItems(List<TreeItem> items, TreeItem treeItem) { |
| 1039 | for (TreeItem item : treeItem.getItems()) { |
| 1040 | items.add(item); |
| 1041 | if (item.getExpanded()) { |
| 1042 | addVisibleExpandedItems(items, item); |
| 1043 | } |
| 1044 | } |
| 1045 | } |
| 1046 | |
| 1047 | /** |
| 1048 | * Explores the list of top-level inputs and returns all the inputs |
| 1049 | * |
| 1050 | * @param inputs The top-level inputs |
| 1051 | * @return All the inputs |
| 1052 | */ |
| 1053 | private List<? extends ITimeGraphEntry> listAllInputs(List<? extends ITimeGraphEntry> inputs) { |
| 1054 | ArrayList<ITimeGraphEntry> items = new ArrayList<>(); |
| 1055 | for (ITimeGraphEntry entry : inputs) { |
| 1056 | items.add(entry); |
| 1057 | if (entry.hasChildren()) { |
| 1058 | items.addAll(listAllInputs(entry.getChildren())); |
| 1059 | } |
| 1060 | } |
| 1061 | return items; |
| 1062 | } |
| 1063 | |
| 1064 | private int getItemHeight(final Tree tree) { |
| 1065 | /* |
| 1066 | * Bug in Linux. The method getItemHeight doesn't always return the correct value. |
| 1067 | */ |
| 1068 | if (fLinuxItemHeight >= 0 && System.getProperty("os.name").contains("Linux")) { //$NON-NLS-1$ //$NON-NLS-2$ |
| 1069 | if (fLinuxItemHeight != 0) { |
| 1070 | return fLinuxItemHeight; |
| 1071 | } |
| 1072 | List<TreeItem> treeItems = getVisibleExpandedItems(tree, true); |
| 1073 | if (treeItems.size() > 1) { |
| 1074 | final TreeItem treeItem0 = treeItems.get(0); |
| 1075 | final TreeItem treeItem1 = treeItems.get(1); |
| 1076 | PaintListener paintListener = new PaintListener() { |
| 1077 | @Override |
| 1078 | public void paintControl(PaintEvent e) { |
| 1079 | tree.removePaintListener(this); |
| 1080 | int y0 = treeItem0.getBounds().y; |
| 1081 | int y1 = treeItem1.getBounds().y; |
| 1082 | int itemHeight = y1 - y0; |
| 1083 | if (itemHeight > 0) { |
| 1084 | fLinuxItemHeight = itemHeight; |
| 1085 | fTimeGraphViewer.setItemHeight(itemHeight); |
| 1086 | } |
| 1087 | } |
| 1088 | }; |
| 1089 | tree.addPaintListener(paintListener); |
| 1090 | } |
| 1091 | } else { |
| 1092 | fLinuxItemHeight = -1; // Not Linux, don't perform os.name check anymore |
| 1093 | } |
| 1094 | return tree.getItemHeight(); |
| 1095 | } |
| 1096 | |
| 1097 | private void alignTreeItems(boolean refreshExpandedItems) { |
| 1098 | // align the tree top item with the time graph top item |
| 1099 | Tree tree = fTreeViewer.getTree(); |
| 1100 | List<TreeItem> treeItems = getVisibleExpandedItems(tree, refreshExpandedItems); |
| 1101 | int topIndex = fTimeGraphViewer.getTopIndex(); |
| 1102 | if (topIndex >= treeItems.size()) { |
| 1103 | return; |
| 1104 | } |
| 1105 | TreeItem item = treeItems.get(topIndex); |
| 1106 | tree.setTopItem(item); |
| 1107 | |
| 1108 | // ensure the time graph item heights are equal to the tree item heights |
| 1109 | int treeHeight = fTreeViewer.getTree().getBounds().height; |
| 1110 | int index = topIndex; |
| 1111 | Rectangle bounds = item.getBounds(); |
| 1112 | while (index < treeItems.size() - 1) { |
| 1113 | if (bounds.y > treeHeight) { |
| 1114 | break; |
| 1115 | } |
| 1116 | /* |
| 1117 | * Bug in Linux. The method getBounds doesn't always return the correct height. |
| 1118 | * Use the difference of y position between items to calculate the height. |
| 1119 | */ |
| 1120 | TreeItem nextItem = treeItems.get(index + 1); |
| 1121 | Rectangle nextBounds = nextItem.getBounds(); |
| 1122 | Integer itemHeight = nextBounds.y - bounds.y; |
| 1123 | if (itemHeight > 0 && !itemHeight.equals(item.getData(ITEM_HEIGHT))) { |
| 1124 | ITimeGraphEntry entry = (ITimeGraphEntry) item.getData(); |
| 1125 | if (fTimeGraphViewer.getTimeGraphControl().setItemHeight(entry, itemHeight)) { |
| 1126 | item.setData(ITEM_HEIGHT, itemHeight); |
| 1127 | } |
| 1128 | } |
| 1129 | index++; |
| 1130 | item = nextItem; |
| 1131 | bounds = nextBounds; |
| 1132 | } |
| 1133 | } |
| 1134 | |
| 1135 | } |