| 1 | /***************************************************************************** |
| 2 | * Copyright (c) 2007, 2013 Intel Corporation and others |
| 3 | * |
| 4 | * All rights reserved. This program and the accompanying materials |
| 5 | * are made available under the terms of the Eclipse Public License v1.0 |
| 6 | * which accompanies this distribution, and is available at |
| 7 | * http://www.eclipse.org/legal/epl-v10.html |
| 8 | * |
| 9 | * Contributors: |
| 10 | * Intel Corporation - Initial API and implementation |
| 11 | * Ruslan A. Scherbakov, Intel - Initial API and implementation |
| 12 | * Alvaro Sanchez-Leon, Ericsson - Updated for TMF |
| 13 | * Patrick Tasse, Ericsson - Refactoring |
| 14 | * Geneviève Bastien, École Polytechnique de Montréal - Move code to |
| 15 | * provide base classes for time graph view |
| 16 | * Add display of links between items |
| 17 | *****************************************************************************/ |
| 18 | |
| 19 | package org.eclipse.linuxtools.tmf.ui.widgets.timegraph.widgets; |
| 20 | |
| 21 | import java.util.ArrayList; |
| 22 | import java.util.Arrays; |
| 23 | import java.util.Iterator; |
| 24 | import java.util.List; |
| 25 | |
| 26 | import org.eclipse.jface.action.IStatusLineManager; |
| 27 | import org.eclipse.jface.resource.JFaceResources; |
| 28 | import org.eclipse.jface.resource.LocalResourceManager; |
| 29 | import org.eclipse.jface.viewers.ISelection; |
| 30 | import org.eclipse.jface.viewers.ISelectionChangedListener; |
| 31 | import org.eclipse.jface.viewers.ISelectionProvider; |
| 32 | import org.eclipse.jface.viewers.ViewerFilter; |
| 33 | import org.eclipse.linuxtools.tmf.core.timestamp.ITmfTimestamp; |
| 34 | import org.eclipse.linuxtools.tmf.core.timestamp.TmfNanoTimestamp; |
| 35 | import org.eclipse.linuxtools.tmf.core.timestamp.TmfTimestampDelta; |
| 36 | import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.ITimeGraphPresentationProvider; |
| 37 | import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.ITimeGraphPresentationProvider2; |
| 38 | import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.ITimeGraphTreeListener; |
| 39 | import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.StateItem; |
| 40 | import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.TimeGraphTreeExpansionEvent; |
| 41 | import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ILinkEvent; |
| 42 | import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeEvent; |
| 43 | import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeGraphEntry; |
| 44 | import org.eclipse.swt.SWT; |
| 45 | import org.eclipse.swt.events.ControlEvent; |
| 46 | import org.eclipse.swt.events.ControlListener; |
| 47 | import org.eclipse.swt.events.FocusEvent; |
| 48 | import org.eclipse.swt.events.FocusListener; |
| 49 | import org.eclipse.swt.events.KeyEvent; |
| 50 | import org.eclipse.swt.events.KeyListener; |
| 51 | import org.eclipse.swt.events.MenuDetectEvent; |
| 52 | import org.eclipse.swt.events.MenuDetectListener; |
| 53 | import org.eclipse.swt.events.MouseEvent; |
| 54 | import org.eclipse.swt.events.MouseListener; |
| 55 | import org.eclipse.swt.events.MouseMoveListener; |
| 56 | import org.eclipse.swt.events.MouseTrackListener; |
| 57 | import org.eclipse.swt.events.MouseWheelListener; |
| 58 | import org.eclipse.swt.events.PaintEvent; |
| 59 | import org.eclipse.swt.events.SelectionEvent; |
| 60 | import org.eclipse.swt.events.SelectionListener; |
| 61 | import org.eclipse.swt.events.TraverseEvent; |
| 62 | import org.eclipse.swt.events.TraverseListener; |
| 63 | import org.eclipse.swt.events.TypedEvent; |
| 64 | import org.eclipse.swt.graphics.Color; |
| 65 | import org.eclipse.swt.graphics.Cursor; |
| 66 | import org.eclipse.swt.graphics.GC; |
| 67 | import org.eclipse.swt.graphics.Image; |
| 68 | import org.eclipse.swt.graphics.Point; |
| 69 | import org.eclipse.swt.graphics.Rectangle; |
| 70 | import org.eclipse.swt.widgets.Composite; |
| 71 | import org.eclipse.swt.widgets.Display; |
| 72 | import org.eclipse.swt.widgets.Event; |
| 73 | import org.eclipse.swt.widgets.Listener; |
| 74 | import org.eclipse.swt.widgets.ScrollBar; |
| 75 | |
| 76 | /** |
| 77 | * Time graph control implementation |
| 78 | * |
| 79 | * @version 1.0 |
| 80 | * @author Alvaro Sanchez-Leon |
| 81 | * @author Patrick Tasse |
| 82 | */ |
| 83 | public class TimeGraphControl extends TimeGraphBaseControl implements FocusListener, KeyListener, MouseMoveListener, MouseListener, MouseWheelListener, ControlListener, SelectionListener, MouseTrackListener, TraverseListener, ISelectionProvider, MenuDetectListener, ITmfTimeGraphDrawingHelper { |
| 84 | |
| 85 | |
| 86 | /** Max scrollbar size */ |
| 87 | public static final int H_SCROLLBAR_MAX = Integer.MAX_VALUE - 1; |
| 88 | |
| 89 | private static final int DRAG_NONE = 0; |
| 90 | private static final int DRAG_TRACE_ITEM = 1; |
| 91 | private static final int DRAG_SPLIT_LINE = 2; |
| 92 | private static final int DRAG_ZOOM = 3; |
| 93 | private static final int DRAG_SELECTION = 4; |
| 94 | |
| 95 | private static final int CUSTOM_ITEM_HEIGHT = -1; // get item height from provider |
| 96 | |
| 97 | private static final double ZOOM_FACTOR = 1.5; |
| 98 | private static final double ZOOM_IN_FACTOR = 0.8; |
| 99 | private static final double ZOOM_OUT_FACTOR = 1.25; |
| 100 | |
| 101 | private static final int SNAP_WIDTH = 2; |
| 102 | |
| 103 | private static final int NO_STATUS = -1; |
| 104 | |
| 105 | /** Resource manager */ |
| 106 | private LocalResourceManager fResourceManager = new LocalResourceManager(JFaceResources.getResources()); |
| 107 | |
| 108 | /** Color map for event types */ |
| 109 | private Color[] fEventColorMap = null; |
| 110 | |
| 111 | private ITimeDataProvider fTimeProvider; |
| 112 | private IStatusLineManager fStatusLineManager = null; |
| 113 | private TimeGraphScale fTimeGraphScale = null; |
| 114 | |
| 115 | private boolean fIsInFocus = false; |
| 116 | private boolean fMouseOverSplitLine = false; |
| 117 | private int fGlobalItemHeight = CUSTOM_ITEM_HEIGHT; |
| 118 | private int fMinimumItemWidth = 0; |
| 119 | private int fTopIndex = 0; |
| 120 | private int fDragState = DRAG_NONE; |
| 121 | private int fDragButton; |
| 122 | private int fDragX0 = 0; |
| 123 | private int fDragX = 0; |
| 124 | private long fDragTime0 = 0; // used to preserve accuracy of modified selection |
| 125 | private int fIdealNameSpace = 0; |
| 126 | private long fTime0bak; |
| 127 | private long fTime1bak; |
| 128 | private ITimeGraphPresentationProvider fTimeGraphProvider = null; |
| 129 | private ItemData fItemData = null; |
| 130 | private List<SelectionListener> fSelectionListeners; |
| 131 | private final List<ISelectionChangedListener> fSelectionChangedListeners = new ArrayList<ISelectionChangedListener>(); |
| 132 | private final List<ITimeGraphTreeListener> fTreeListeners = new ArrayList<ITimeGraphTreeListener>(); |
| 133 | private final List<MenuDetectListener> fTimeGraphEntryMenuListeners = new ArrayList<MenuDetectListener>(); |
| 134 | private final List<MenuDetectListener> fTimeEventMenuListeners = new ArrayList<MenuDetectListener>(); |
| 135 | private final Cursor fDragCursor = Display.getDefault().getSystemCursor(SWT.CURSOR_HAND); |
| 136 | private final Cursor fResizeCursor = Display.getDefault().getSystemCursor(SWT.CURSOR_IBEAM); |
| 137 | private final Cursor fWaitCursor = Display.getDefault().getSystemCursor(SWT.CURSOR_WAIT); |
| 138 | private final Cursor fZoomCursor = Display.getDefault().getSystemCursor(SWT.CURSOR_SIZEWE); |
| 139 | private final List<ViewerFilter> fFilters = new ArrayList<ViewerFilter>(); |
| 140 | private MenuDetectEvent fPendingMenuDetectEvent = null; |
| 141 | private boolean fHideArrows = false; |
| 142 | |
| 143 | private int fBorderWidth = 0; |
| 144 | private int fHeaderHeight = 0; |
| 145 | |
| 146 | private Listener fMouseScrollFilterListener; |
| 147 | |
| 148 | private MouseScrollNotifier fMouseScrollNotifier; |
| 149 | private final Object fMouseScrollNotifierLock = new Object(); |
| 150 | |
| 151 | private class MouseScrollNotifier extends Thread { |
| 152 | private static final long DELAY = 400L; |
| 153 | private static final long POLLING_INTERVAL = 10L; |
| 154 | private long fLastScrollTime = Long.MAX_VALUE; |
| 155 | |
| 156 | @Override |
| 157 | public void run() { |
| 158 | while ((System.currentTimeMillis() - fLastScrollTime) < DELAY) { |
| 159 | try { |
| 160 | Thread.sleep(POLLING_INTERVAL); |
| 161 | } catch (Exception e) { |
| 162 | return; |
| 163 | } |
| 164 | } |
| 165 | if (!isInterrupted()) { |
| 166 | Display.getDefault().asyncExec(new Runnable() { |
| 167 | @Override |
| 168 | public void run() { |
| 169 | if (isDisposed()) { |
| 170 | return; |
| 171 | } |
| 172 | fTimeProvider.notifyStartFinishTime(); |
| 173 | } |
| 174 | }); |
| 175 | } |
| 176 | synchronized (fMouseScrollNotifierLock) { |
| 177 | fMouseScrollNotifier = null; |
| 178 | } |
| 179 | } |
| 180 | |
| 181 | public void mouseScrolled() { |
| 182 | fLastScrollTime = System.currentTimeMillis(); |
| 183 | } |
| 184 | } |
| 185 | |
| 186 | /** |
| 187 | * Standard constructor |
| 188 | * |
| 189 | * @param parent |
| 190 | * The parent composite object |
| 191 | * @param colors |
| 192 | * The color scheme to use |
| 193 | */ |
| 194 | public TimeGraphControl(Composite parent, TimeGraphColorScheme colors) { |
| 195 | |
| 196 | super(parent, colors, SWT.NO_BACKGROUND | SWT.H_SCROLL | SWT.DOUBLE_BUFFERED); |
| 197 | |
| 198 | fItemData = new ItemData(); |
| 199 | |
| 200 | addFocusListener(this); |
| 201 | addMouseListener(this); |
| 202 | addMouseMoveListener(this); |
| 203 | addMouseTrackListener(this); |
| 204 | addMouseWheelListener(this); |
| 205 | addTraverseListener(this); |
| 206 | addKeyListener(this); |
| 207 | addControlListener(this); |
| 208 | addMenuDetectListener(this); |
| 209 | ScrollBar scrollHor = getHorizontalBar(); |
| 210 | |
| 211 | if (scrollHor != null) { |
| 212 | scrollHor.addSelectionListener(this); |
| 213 | } |
| 214 | } |
| 215 | |
| 216 | @Override |
| 217 | public void dispose() { |
| 218 | super.dispose(); |
| 219 | fResourceManager.dispose(); |
| 220 | } |
| 221 | |
| 222 | /** |
| 223 | * Sets the timegraph provider used by this timegraph viewer. |
| 224 | * |
| 225 | * @param timeGraphProvider the timegraph provider |
| 226 | */ |
| 227 | public void setTimeGraphProvider(ITimeGraphPresentationProvider timeGraphProvider) { |
| 228 | fTimeGraphProvider = timeGraphProvider; |
| 229 | |
| 230 | if (timeGraphProvider instanceof ITimeGraphPresentationProvider2) { |
| 231 | ((ITimeGraphPresentationProvider2) timeGraphProvider).setDrawingHelper(this); |
| 232 | } |
| 233 | |
| 234 | if (fEventColorMap != null) { |
| 235 | for (Color color : fEventColorMap) { |
| 236 | fResourceManager.destroyColor(color.getRGB()); |
| 237 | } |
| 238 | } |
| 239 | StateItem[] stateItems = fTimeGraphProvider.getStateTable(); |
| 240 | if (stateItems != null) { |
| 241 | fEventColorMap = new Color[stateItems.length]; |
| 242 | for (int i = 0; i < stateItems.length; i++) { |
| 243 | fEventColorMap[i] = fResourceManager.createColor(stateItems[i].getStateColor()); |
| 244 | } |
| 245 | } else { |
| 246 | fEventColorMap = new Color[] { }; |
| 247 | } |
| 248 | } |
| 249 | |
| 250 | /** |
| 251 | * Assign the given time provider |
| 252 | * |
| 253 | * @param timeProvider |
| 254 | * The time provider |
| 255 | */ |
| 256 | public void setTimeProvider(ITimeDataProvider timeProvider) { |
| 257 | fTimeProvider = timeProvider; |
| 258 | adjustScrolls(); |
| 259 | redraw(); |
| 260 | } |
| 261 | |
| 262 | /** |
| 263 | * Assign the status line manager |
| 264 | * |
| 265 | * @param statusLineManager |
| 266 | * The status line manager, or null to disable status line messages |
| 267 | * @since 2.1 |
| 268 | */ |
| 269 | public void setStatusLineManager(IStatusLineManager statusLineManager) { |
| 270 | if (fStatusLineManager != null && statusLineManager == null) { |
| 271 | fStatusLineManager.setMessage(""); //$NON-NLS-1$ |
| 272 | } |
| 273 | fStatusLineManager = statusLineManager; |
| 274 | } |
| 275 | |
| 276 | /** |
| 277 | * Assign the time graph scale |
| 278 | * |
| 279 | * @param timeGraphScale |
| 280 | * The time graph scale |
| 281 | * @since 2.1 |
| 282 | */ |
| 283 | public void setTimeGraphScale(TimeGraphScale timeGraphScale) { |
| 284 | fTimeGraphScale = timeGraphScale; |
| 285 | } |
| 286 | |
| 287 | /** |
| 288 | * Add a selection listener |
| 289 | * |
| 290 | * @param listener |
| 291 | * The listener to add |
| 292 | */ |
| 293 | public void addSelectionListener(SelectionListener listener) { |
| 294 | if (listener == null) { |
| 295 | SWT.error(SWT.ERROR_NULL_ARGUMENT); |
| 296 | } |
| 297 | if (null == fSelectionListeners) { |
| 298 | fSelectionListeners = new ArrayList<SelectionListener>(); |
| 299 | } |
| 300 | fSelectionListeners.add(listener); |
| 301 | } |
| 302 | |
| 303 | /** |
| 304 | * Remove a selection listener |
| 305 | * |
| 306 | * @param listener |
| 307 | * The listener to remove |
| 308 | */ |
| 309 | public void removeSelectionListener(SelectionListener listener) { |
| 310 | if (null != fSelectionListeners) { |
| 311 | fSelectionListeners.remove(listener); |
| 312 | } |
| 313 | } |
| 314 | |
| 315 | /** |
| 316 | * Selection changed callback |
| 317 | */ |
| 318 | public void fireSelectionChanged() { |
| 319 | if (null != fSelectionListeners) { |
| 320 | Iterator<SelectionListener> it = fSelectionListeners.iterator(); |
| 321 | while (it.hasNext()) { |
| 322 | SelectionListener listener = it.next(); |
| 323 | listener.widgetSelected(null); |
| 324 | } |
| 325 | } |
| 326 | } |
| 327 | |
| 328 | /** |
| 329 | * Default selection callback |
| 330 | */ |
| 331 | public void fireDefaultSelection() { |
| 332 | if (null != fSelectionListeners) { |
| 333 | Iterator<SelectionListener> it = fSelectionListeners.iterator(); |
| 334 | while (it.hasNext()) { |
| 335 | SelectionListener listener = it.next(); |
| 336 | listener.widgetDefaultSelected(null); |
| 337 | } |
| 338 | } |
| 339 | } |
| 340 | |
| 341 | /** |
| 342 | * Get the traces in the model |
| 343 | * |
| 344 | * @return The array of traces |
| 345 | */ |
| 346 | public ITimeGraphEntry[] getTraces() { |
| 347 | return fItemData.getTraces(); |
| 348 | } |
| 349 | |
| 350 | /** |
| 351 | * Get the on/off trace filters |
| 352 | * |
| 353 | * @return The array of filters |
| 354 | */ |
| 355 | public boolean[] getTraceFilter() { |
| 356 | return fItemData.getTraceFilter(); |
| 357 | } |
| 358 | |
| 359 | /** |
| 360 | * Refresh the data for the thing |
| 361 | */ |
| 362 | public void refreshData() { |
| 363 | fItemData.refreshData(); |
| 364 | adjustScrolls(); |
| 365 | redraw(); |
| 366 | } |
| 367 | |
| 368 | /** |
| 369 | * Refresh data for the given traces |
| 370 | * |
| 371 | * @param traces |
| 372 | * The traces to refresh |
| 373 | */ |
| 374 | public void refreshData(ITimeGraphEntry[] traces) { |
| 375 | fItemData.refreshData(traces); |
| 376 | adjustScrolls(); |
| 377 | redraw(); |
| 378 | } |
| 379 | |
| 380 | /** |
| 381 | * Refresh the links (arrows) of this widget |
| 382 | * |
| 383 | * @param events The link events to refresh |
| 384 | * @since 2.1 |
| 385 | */ |
| 386 | public void refreshArrows(List<ILinkEvent> events) { |
| 387 | fItemData.refreshArrows(events); |
| 388 | } |
| 389 | |
| 390 | /** |
| 391 | * Adjust the scoll bars |
| 392 | */ |
| 393 | public void adjustScrolls() { |
| 394 | if (null == fTimeProvider) { |
| 395 | getHorizontalBar().setValues(0, 1, 1, 1, 1, 1); |
| 396 | return; |
| 397 | } |
| 398 | |
| 399 | // HORIZONTAL BAR |
| 400 | // Visible window |
| 401 | long time0 = fTimeProvider.getTime0(); |
| 402 | long time1 = fTimeProvider.getTime1(); |
| 403 | // Time boundaries |
| 404 | long timeMin = fTimeProvider.getMinTime(); |
| 405 | long timeMax = fTimeProvider.getMaxTime(); |
| 406 | |
| 407 | long delta = timeMax - timeMin; |
| 408 | |
| 409 | int timePos = 0; |
| 410 | int thumb = H_SCROLLBAR_MAX; |
| 411 | |
| 412 | if (delta != 0) { |
| 413 | // Thumb size (page size) |
| 414 | thumb = Math.max(1, (int) (H_SCROLLBAR_MAX * ((double) (time1 - time0) / delta))); |
| 415 | // At the beginning of visible window |
| 416 | timePos = (int) (H_SCROLLBAR_MAX * ((double) (time0 - timeMin) / delta)); |
| 417 | } |
| 418 | |
| 419 | // position, minimum, maximum, thumb size, increment (half page)t, page |
| 420 | // increment size (full page) |
| 421 | getHorizontalBar().setValues(timePos, 0, H_SCROLLBAR_MAX, thumb, Math.max(1, thumb / 2), Math.max(2, thumb)); |
| 422 | } |
| 423 | |
| 424 | boolean ensureVisibleItem(int idx, boolean redraw) { |
| 425 | boolean changed = false; |
| 426 | int index = idx; |
| 427 | if (index < 0) { |
| 428 | for (index = 0; index < fItemData.fExpandedItems.length; index++) { |
| 429 | if (fItemData.fExpandedItems[index].fSelected) { |
| 430 | break; |
| 431 | } |
| 432 | } |
| 433 | } |
| 434 | if (index >= fItemData.fExpandedItems.length) { |
| 435 | return changed; |
| 436 | } |
| 437 | if (index < fTopIndex) { |
| 438 | setTopIndex(index); |
| 439 | if (redraw) { |
| 440 | redraw(); |
| 441 | } |
| 442 | changed = true; |
| 443 | } else { |
| 444 | int page = countPerPage(); |
| 445 | if (index >= fTopIndex + page) { |
| 446 | setTopIndex(index - page + 1); |
| 447 | if (redraw) { |
| 448 | redraw(); |
| 449 | } |
| 450 | changed = true; |
| 451 | } |
| 452 | } |
| 453 | return changed; |
| 454 | } |
| 455 | |
| 456 | /** |
| 457 | * Assign the given index as the top one |
| 458 | * |
| 459 | * @param idx |
| 460 | * The index |
| 461 | */ |
| 462 | public void setTopIndex(int idx) { |
| 463 | int index = Math.min(idx, fItemData.fExpandedItems.length - countPerPage()); |
| 464 | index = Math.max(0, index); |
| 465 | fTopIndex = index; |
| 466 | redraw(); |
| 467 | } |
| 468 | |
| 469 | /** |
| 470 | * Set the expanded state of a given entry |
| 471 | * |
| 472 | * @param entry |
| 473 | * The entry |
| 474 | * @param expanded |
| 475 | * True if expanded, false if collapsed |
| 476 | */ |
| 477 | public void setExpandedState(ITimeGraphEntry entry, boolean expanded) { |
| 478 | Item item = fItemData.findItem(entry); |
| 479 | if (item != null && item.fExpanded != expanded) { |
| 480 | item.fExpanded = expanded; |
| 481 | fItemData.updateExpandedItems(); |
| 482 | redraw(); |
| 483 | } |
| 484 | } |
| 485 | |
| 486 | /** |
| 487 | * Collapses all nodes of the viewer's tree, starting with the root. |
| 488 | * |
| 489 | * @since 2.0 |
| 490 | */ |
| 491 | public void collapseAll() { |
| 492 | for (Item item : fItemData.fItems) { |
| 493 | item.fExpanded = false; |
| 494 | } |
| 495 | fItemData.updateExpandedItems(); |
| 496 | redraw(); |
| 497 | } |
| 498 | |
| 499 | /** |
| 500 | * Expands all nodes of the viewer's tree, starting with the root. |
| 501 | * |
| 502 | * @since 2.0 |
| 503 | */ |
| 504 | public void expandAll() { |
| 505 | for (Item item : fItemData.fItems) { |
| 506 | item.fExpanded = true; |
| 507 | } |
| 508 | fItemData.updateExpandedItems(); |
| 509 | redraw(); |
| 510 | } |
| 511 | |
| 512 | /** |
| 513 | * Add a tree listener |
| 514 | * |
| 515 | * @param listener |
| 516 | * The listener to add |
| 517 | */ |
| 518 | public void addTreeListener(ITimeGraphTreeListener listener) { |
| 519 | if (!fTreeListeners.contains(listener)) { |
| 520 | fTreeListeners.add(listener); |
| 521 | } |
| 522 | } |
| 523 | |
| 524 | /** |
| 525 | * Remove a tree listener |
| 526 | * |
| 527 | * @param listener |
| 528 | * The listener to remove |
| 529 | */ |
| 530 | public void removeTreeListener(ITimeGraphTreeListener listener) { |
| 531 | if (fTreeListeners.contains(listener)) { |
| 532 | fTreeListeners.remove(listener); |
| 533 | } |
| 534 | } |
| 535 | |
| 536 | /** |
| 537 | * Tree event callback |
| 538 | * |
| 539 | * @param entry |
| 540 | * The affected entry |
| 541 | * @param expanded |
| 542 | * The expanded state (true for expanded, false for collapsed) |
| 543 | */ |
| 544 | public void fireTreeEvent(ITimeGraphEntry entry, boolean expanded) { |
| 545 | TimeGraphTreeExpansionEvent event = new TimeGraphTreeExpansionEvent(this, entry); |
| 546 | for (ITimeGraphTreeListener listener : fTreeListeners) { |
| 547 | if (expanded) { |
| 548 | listener.treeExpanded(event); |
| 549 | } else { |
| 550 | listener.treeCollapsed(event); |
| 551 | } |
| 552 | } |
| 553 | } |
| 554 | |
| 555 | /** |
| 556 | * Add a menu listener on {@link ITimeGraphEntry}s |
| 557 | * @param listener |
| 558 | * The listener to add |
| 559 | * @since 1.2 |
| 560 | */ |
| 561 | public void addTimeGraphEntryMenuListener(MenuDetectListener listener) { |
| 562 | if (!fTimeGraphEntryMenuListeners.contains(listener)) { |
| 563 | fTimeGraphEntryMenuListeners.add(listener); |
| 564 | } |
| 565 | } |
| 566 | |
| 567 | /** |
| 568 | * Remove a menu listener on {@link ITimeGraphEntry}s |
| 569 | * |
| 570 | * @param listener |
| 571 | * The listener to remove |
| 572 | * @since 1.2 |
| 573 | */ |
| 574 | public void removeTimeGraphEntryMenuListener(MenuDetectListener listener) { |
| 575 | if (fTimeGraphEntryMenuListeners.contains(listener)) { |
| 576 | fTimeGraphEntryMenuListeners.remove(listener); |
| 577 | } |
| 578 | } |
| 579 | |
| 580 | /** |
| 581 | * Menu event callback on {@link ITimeGraphEntry}s |
| 582 | * |
| 583 | * @param event |
| 584 | * The MenuDetectEvent, with field {@link TypedEvent#data} set to the selected {@link ITimeGraphEntry} |
| 585 | */ |
| 586 | private void fireMenuEventOnTimeGraphEntry(MenuDetectEvent event) { |
| 587 | for (MenuDetectListener listener : fTimeGraphEntryMenuListeners) { |
| 588 | listener.menuDetected(event); |
| 589 | } |
| 590 | } |
| 591 | |
| 592 | /** |
| 593 | * Add a menu listener on {@link ITimeEvent}s |
| 594 | * |
| 595 | * @param listener |
| 596 | * The listener to add |
| 597 | * @since 1.2 |
| 598 | */ |
| 599 | public void addTimeEventMenuListener(MenuDetectListener listener) { |
| 600 | if (!fTimeEventMenuListeners.contains(listener)) { |
| 601 | fTimeEventMenuListeners.add(listener); |
| 602 | } |
| 603 | } |
| 604 | |
| 605 | /** |
| 606 | * Remove a menu listener on {@link ITimeEvent}s |
| 607 | * |
| 608 | * @param listener |
| 609 | * The listener to remove |
| 610 | * @since 1.2 |
| 611 | */ |
| 612 | public void removeTimeEventMenuListener(MenuDetectListener listener) { |
| 613 | if (fTimeEventMenuListeners.contains(listener)) { |
| 614 | fTimeEventMenuListeners.remove(listener); |
| 615 | } |
| 616 | } |
| 617 | |
| 618 | /** |
| 619 | * Menu event callback on {@link ITimeEvent}s |
| 620 | * |
| 621 | * @param event |
| 622 | * The MenuDetectEvent, with field {@link TypedEvent#data} set to the selected {@link ITimeEvent} |
| 623 | */ |
| 624 | private void fireMenuEventOnTimeEvent(MenuDetectEvent event) { |
| 625 | for (MenuDetectListener listener : fTimeEventMenuListeners) { |
| 626 | listener.menuDetected(event); |
| 627 | } |
| 628 | } |
| 629 | |
| 630 | @SuppressWarnings("deprecation") |
| 631 | @Override |
| 632 | public ISelection getSelection() { |
| 633 | TimeGraphSelection sel = new TimeGraphSelection(); |
| 634 | ITimeGraphEntry trace = getSelectedTrace(); |
| 635 | if (null != trace && null != fTimeProvider) { |
| 636 | long selectedTime; |
| 637 | if (fTimeProvider instanceof ITimeDataProvider2) { |
| 638 | selectedTime = ((ITimeDataProvider2) fTimeProvider).getSelectionBegin(); |
| 639 | } else { |
| 640 | selectedTime = fTimeProvider.getSelectedTime(); |
| 641 | } |
| 642 | ITimeEvent event = Utils.findEvent(trace, selectedTime, 0); |
| 643 | if (event != null) { |
| 644 | sel.add(event); |
| 645 | } else { |
| 646 | sel.add(trace); |
| 647 | } |
| 648 | } |
| 649 | return sel; |
| 650 | } |
| 651 | |
| 652 | /** |
| 653 | * Get the selection object |
| 654 | * |
| 655 | * @return The selection |
| 656 | */ |
| 657 | public ISelection getSelectionTrace() { |
| 658 | TimeGraphSelection sel = new TimeGraphSelection(); |
| 659 | ITimeGraphEntry trace = getSelectedTrace(); |
| 660 | if (null != trace) { |
| 661 | sel.add(trace); |
| 662 | } |
| 663 | return sel; |
| 664 | } |
| 665 | |
| 666 | /** |
| 667 | * Enable/disable one of the traces in the model |
| 668 | * |
| 669 | * @param n |
| 670 | * 1 to enable it, -1 to disable. The method returns immediately |
| 671 | * if another value is used. |
| 672 | */ |
| 673 | public void selectTrace(int n) { |
| 674 | if ((n != 1) && (n != -1)) { |
| 675 | return; |
| 676 | } |
| 677 | |
| 678 | boolean changed = false; |
| 679 | int lastSelection = -1; |
| 680 | for (int i = 0; i < fItemData.fExpandedItems.length; i++) { |
| 681 | Item item = fItemData.fExpandedItems[i]; |
| 682 | if (item.fSelected) { |
| 683 | lastSelection = i; |
| 684 | if ((1 == n) && (i < fItemData.fExpandedItems.length - 1)) { |
| 685 | item.fSelected = false; |
| 686 | item = fItemData.fExpandedItems[i + 1]; |
| 687 | item.fSelected = true; |
| 688 | changed = true; |
| 689 | } else if ((-1 == n) && (i > 0)) { |
| 690 | item.fSelected = false; |
| 691 | item = fItemData.fExpandedItems[i - 1]; |
| 692 | item.fSelected = true; |
| 693 | changed = true; |
| 694 | } |
| 695 | break; |
| 696 | } |
| 697 | } |
| 698 | |
| 699 | if (lastSelection < 0 && fItemData.fExpandedItems.length > 0) { |
| 700 | Item item = fItemData.fExpandedItems[0]; |
| 701 | item.fSelected = true; |
| 702 | changed = true; |
| 703 | } |
| 704 | |
| 705 | if (changed) { |
| 706 | ensureVisibleItem(-1, false); |
| 707 | redraw(); |
| 708 | fireSelectionChanged(); |
| 709 | } |
| 710 | } |
| 711 | |
| 712 | /** |
| 713 | * Select an event |
| 714 | * |
| 715 | * @param n |
| 716 | * 1 for next event, -1 for previous event |
| 717 | */ |
| 718 | public void selectEvent(int n) { |
| 719 | if (null == fTimeProvider) { |
| 720 | return; |
| 721 | } |
| 722 | ITimeGraphEntry trace = getSelectedTrace(); |
| 723 | if (trace == null) { |
| 724 | return; |
| 725 | } |
| 726 | long selectedTime; |
| 727 | if (fTimeProvider instanceof ITimeDataProvider2) { |
| 728 | selectedTime = ((ITimeDataProvider2) fTimeProvider).getSelectionBegin(); |
| 729 | } else { |
| 730 | @SuppressWarnings("deprecation") |
| 731 | long time = fTimeProvider.getSelectedTime(); |
| 732 | selectedTime = time; |
| 733 | } |
| 734 | long endTime = fTimeProvider.getEndTime(); |
| 735 | ITimeEvent nextEvent; |
| 736 | if (-1 == n && selectedTime > endTime) { |
| 737 | nextEvent = Utils.findEvent(trace, selectedTime, 0); |
| 738 | } else { |
| 739 | nextEvent = Utils.findEvent(trace, selectedTime, n); |
| 740 | } |
| 741 | if (null == nextEvent && -1 == n) { |
| 742 | nextEvent = Utils.getFirstEvent(trace); |
| 743 | } |
| 744 | if (null != nextEvent) { |
| 745 | long nextTime = nextEvent.getTime(); |
| 746 | // If last event detected e.g. going back or not moving to a next |
| 747 | // event |
| 748 | if (nextTime <= selectedTime && n == 1) { |
| 749 | // Select to the end of this last event |
| 750 | nextTime = nextEvent.getTime() + nextEvent.getDuration(); |
| 751 | // but not beyond the end of the trace |
| 752 | if (nextTime > endTime) { |
| 753 | nextTime = endTime; |
| 754 | } |
| 755 | } else if (n == -1 && nextEvent.getTime() + nextEvent.getDuration() < selectedTime) { |
| 756 | // for previous event go to its end time unless we were already there |
| 757 | nextTime = nextEvent.getTime() + nextEvent.getDuration(); |
| 758 | } |
| 759 | fTimeProvider.setSelectedTimeNotify(nextTime, true); |
| 760 | fireSelectionChanged(); |
| 761 | } else if (1 == n) { |
| 762 | fTimeProvider.setSelectedTimeNotify(endTime, true); |
| 763 | fireSelectionChanged(); |
| 764 | } |
| 765 | } |
| 766 | |
| 767 | /** |
| 768 | * Select the next event |
| 769 | */ |
| 770 | public void selectNextEvent() { |
| 771 | selectEvent(1); |
| 772 | // Notify if visible time window has been adjusted |
| 773 | fTimeProvider.setStartFinishTimeNotify(fTimeProvider.getTime0(), fTimeProvider.getTime1()); |
| 774 | } |
| 775 | |
| 776 | /** |
| 777 | * Select the previous event |
| 778 | */ |
| 779 | public void selectPrevEvent() { |
| 780 | selectEvent(-1); |
| 781 | // Notify if visible time window has been adjusted |
| 782 | fTimeProvider.setStartFinishTimeNotify(fTimeProvider.getTime0(), fTimeProvider.getTime1()); |
| 783 | } |
| 784 | |
| 785 | /** |
| 786 | * Select the next trace |
| 787 | */ |
| 788 | public void selectNextTrace() { |
| 789 | selectTrace(1); |
| 790 | } |
| 791 | |
| 792 | /** |
| 793 | * Select the previous trace |
| 794 | */ |
| 795 | public void selectPrevTrace() { |
| 796 | selectTrace(-1); |
| 797 | } |
| 798 | |
| 799 | /** |
| 800 | * Zoom based on mouse cursor location with mouse scrolling |
| 801 | * |
| 802 | * @param zoomIn true to zoom in, false to zoom out |
| 803 | */ |
| 804 | public void zoom(boolean zoomIn) { |
| 805 | int globalX = getDisplay().getCursorLocation().x; |
| 806 | Point p = toControl(globalX, 0); |
| 807 | int nameSpace = fTimeProvider.getNameSpace(); |
| 808 | int timeSpace = fTimeProvider.getTimeSpace(); |
| 809 | int xPos = Math.max(nameSpace, Math.min(nameSpace + timeSpace, p.x)); |
| 810 | long time0 = fTimeProvider.getTime0(); |
| 811 | long time1 = fTimeProvider.getTime1(); |
| 812 | long interval = time1 - time0; |
| 813 | if (interval == 0) { |
| 814 | interval = 1; |
| 815 | } // to allow getting out of single point interval |
| 816 | long newInterval; |
| 817 | if (zoomIn) { |
| 818 | newInterval = Math.max(Math.round(interval * ZOOM_IN_FACTOR), fTimeProvider.getMinTimeInterval()); |
| 819 | } else { |
| 820 | newInterval = (long) Math.ceil(interval * ZOOM_OUT_FACTOR); |
| 821 | } |
| 822 | long center = time0 + Math.round(((double) (xPos - nameSpace) / timeSpace * interval)); |
| 823 | long newTime0 = center - Math.round((double) newInterval * (center - time0) / interval); |
| 824 | long newTime1 = newTime0 + newInterval; |
| 825 | fTimeProvider.setStartFinishTime(newTime0, newTime1); |
| 826 | synchronized (fMouseScrollNotifierLock) { |
| 827 | if (fMouseScrollNotifier == null) { |
| 828 | fMouseScrollNotifier = new MouseScrollNotifier(); |
| 829 | fMouseScrollNotifier.start(); |
| 830 | } |
| 831 | fMouseScrollNotifier.mouseScrolled(); |
| 832 | } |
| 833 | } |
| 834 | |
| 835 | /** |
| 836 | * zoom in using single click |
| 837 | */ |
| 838 | public void zoomIn() { |
| 839 | long prevTime0 = fTimeProvider.getTime0(); |
| 840 | long prevTime1 = fTimeProvider.getTime1(); |
| 841 | long prevRange = prevTime1 - prevTime0; |
| 842 | if (prevRange == 0) { |
| 843 | return; |
| 844 | } |
| 845 | long selTime; |
| 846 | if (fTimeProvider instanceof ITimeDataProvider2) { |
| 847 | ITimeDataProvider2 provider = ((ITimeDataProvider2) fTimeProvider); |
| 848 | selTime = (provider.getSelectionEnd() + provider.getSelectionBegin()) / 2; |
| 849 | } else { |
| 850 | @SuppressWarnings("deprecation") |
| 851 | long selectedTime = fTimeProvider.getSelectedTime(); |
| 852 | selTime = selectedTime; |
| 853 | } |
| 854 | if (selTime <= prevTime0 || selTime >= prevTime1) { |
| 855 | selTime = (prevTime0 + prevTime1) / 2; |
| 856 | } |
| 857 | long time0 = selTime - (long) ((selTime - prevTime0) / ZOOM_FACTOR); |
| 858 | long time1 = selTime + (long) ((prevTime1 - selTime) / ZOOM_FACTOR); |
| 859 | |
| 860 | long inaccuracy = (fTimeProvider.getMaxTime() - fTimeProvider.getMinTime()) - (time1 - time0); |
| 861 | |
| 862 | if (inaccuracy > 0 && inaccuracy < 100) { |
| 863 | fTimeProvider.setStartFinishTimeNotify(fTimeProvider.getMinTime(), fTimeProvider.getMaxTime()); |
| 864 | return; |
| 865 | } |
| 866 | |
| 867 | long min = fTimeProvider.getMinTimeInterval(); |
| 868 | if ((time1 - time0) < min) { |
| 869 | time0 = selTime - (selTime - prevTime0) * min / prevRange; |
| 870 | time1 = time0 + min; |
| 871 | } |
| 872 | |
| 873 | fTimeProvider.setStartFinishTimeNotify(time0, time1); |
| 874 | } |
| 875 | |
| 876 | /** |
| 877 | * zoom out using single click |
| 878 | */ |
| 879 | public void zoomOut() { |
| 880 | long prevTime0 = fTimeProvider.getTime0(); |
| 881 | long prevTime1 = fTimeProvider.getTime1(); |
| 882 | long selTime; |
| 883 | if (fTimeProvider instanceof ITimeDataProvider2) { |
| 884 | ITimeDataProvider2 provider = ((ITimeDataProvider2) fTimeProvider); |
| 885 | selTime = (provider.getSelectionEnd() + provider.getSelectionBegin()) / 2; |
| 886 | } else { |
| 887 | @SuppressWarnings("deprecation") |
| 888 | long selectedTime = fTimeProvider.getSelectedTime(); |
| 889 | selTime = selectedTime; |
| 890 | } |
| 891 | if (selTime <= prevTime0 || selTime >= prevTime1) { |
| 892 | selTime = (prevTime0 + prevTime1) / 2; |
| 893 | } |
| 894 | long time0 = (long) (selTime - (selTime - prevTime0) * ZOOM_FACTOR); |
| 895 | long time1 = (long) (selTime + (prevTime1 - selTime) * ZOOM_FACTOR); |
| 896 | |
| 897 | long inaccuracy = (fTimeProvider.getMaxTime() - fTimeProvider.getMinTime()) - (time1 - time0); |
| 898 | if (inaccuracy > 0 && inaccuracy < 100) { |
| 899 | fTimeProvider.setStartFinishTimeNotify(fTimeProvider.getMinTime(), fTimeProvider.getMaxTime()); |
| 900 | return; |
| 901 | } |
| 902 | |
| 903 | fTimeProvider.setStartFinishTimeNotify(time0, time1); |
| 904 | } |
| 905 | |
| 906 | /** |
| 907 | * Hide arrows |
| 908 | * |
| 909 | * @param hideArrows true to hide arrows |
| 910 | * |
| 911 | * @since 2.1 |
| 912 | */ |
| 913 | public void hideArrows(boolean hideArrows) { |
| 914 | fHideArrows = hideArrows; |
| 915 | } |
| 916 | |
| 917 | /** |
| 918 | * Return the currently selected trace |
| 919 | * |
| 920 | * @return The entry matching the trace |
| 921 | */ |
| 922 | public ITimeGraphEntry getSelectedTrace() { |
| 923 | ITimeGraphEntry trace = null; |
| 924 | int idx = getSelectedIndex(); |
| 925 | if (idx >= 0) { |
| 926 | trace = fItemData.fExpandedItems[idx].fTrace; |
| 927 | } |
| 928 | return trace; |
| 929 | } |
| 930 | |
| 931 | /** |
| 932 | * Retrieve the index of the currently selected item |
| 933 | * |
| 934 | * @return The index |
| 935 | */ |
| 936 | public int getSelectedIndex() { |
| 937 | int idx = -1; |
| 938 | for (int i = 0; i < fItemData.fExpandedItems.length; i++) { |
| 939 | Item item = fItemData.fExpandedItems[i]; |
| 940 | if (item.fSelected) { |
| 941 | idx = i; |
| 942 | break; |
| 943 | } |
| 944 | } |
| 945 | return idx; |
| 946 | } |
| 947 | |
| 948 | boolean toggle(int idx) { |
| 949 | boolean toggled = false; |
| 950 | if (idx >= 0 && idx < fItemData.fExpandedItems.length) { |
| 951 | Item item = fItemData.fExpandedItems[idx]; |
| 952 | if (item.fHasChildren) { |
| 953 | item.fExpanded = !item.fExpanded; |
| 954 | fItemData.updateExpandedItems(); |
| 955 | adjustScrolls(); |
| 956 | redraw(); |
| 957 | toggled = true; |
| 958 | fireTreeEvent(item.fTrace, item.fExpanded); |
| 959 | } |
| 960 | } |
| 961 | return toggled; |
| 962 | } |
| 963 | |
| 964 | int getItemIndexAtY(int y) { |
| 965 | if (y < 0) { |
| 966 | return -1; |
| 967 | } |
| 968 | int ySum = 0; |
| 969 | for (int idx = fTopIndex; idx < fItemData.fExpandedItems.length; idx++) { |
| 970 | ySum += fItemData.fExpandedItems[idx].fItemHeight; |
| 971 | if (y < ySum) { |
| 972 | return idx; |
| 973 | } |
| 974 | } |
| 975 | return -1; |
| 976 | } |
| 977 | |
| 978 | boolean isOverSplitLine(int x) { |
| 979 | if (x < 0 || null == fTimeProvider) { |
| 980 | return false; |
| 981 | } |
| 982 | int nameWidth = fTimeProvider.getNameSpace(); |
| 983 | return Math.abs(x - nameWidth) < SNAP_WIDTH; |
| 984 | } |
| 985 | |
| 986 | ITimeGraphEntry getEntry(Point pt) { |
| 987 | int idx = getItemIndexAtY(pt.y); |
| 988 | return idx >= 0 ? fItemData.fExpandedItems[idx].fTrace : null; |
| 989 | } |
| 990 | |
| 991 | /** |
| 992 | * @since 2.0 |
| 993 | */ |
| 994 | @Override |
| 995 | public int getXForTime(long time) { |
| 996 | if (null == fTimeProvider) { |
| 997 | return -1; |
| 998 | } |
| 999 | long time0 = fTimeProvider.getTime0(); |
| 1000 | long time1 = fTimeProvider.getTime1(); |
| 1001 | int width = getCtrlSize().x; |
| 1002 | int nameSpace = fTimeProvider.getNameSpace(); |
| 1003 | double pixelsPerNanoSec = (width - nameSpace <= RIGHT_MARGIN) ? 0 : (double) (width - nameSpace - RIGHT_MARGIN) / (time1 - time0); |
| 1004 | int x = getBounds().x + nameSpace + (int) ((time - time0) * pixelsPerNanoSec); |
| 1005 | return x; |
| 1006 | } |
| 1007 | |
| 1008 | /** |
| 1009 | * @since 2.0 |
| 1010 | */ |
| 1011 | @Override |
| 1012 | public long getTimeAtX(int coord) { |
| 1013 | if (null == fTimeProvider) { |
| 1014 | return -1; |
| 1015 | } |
| 1016 | long hitTime = -1; |
| 1017 | Point size = getCtrlSize(); |
| 1018 | long time0 = fTimeProvider.getTime0(); |
| 1019 | long time1 = fTimeProvider.getTime1(); |
| 1020 | int nameWidth = fTimeProvider.getNameSpace(); |
| 1021 | final int x = coord - nameWidth; |
| 1022 | int timeWidth = size.x - nameWidth - RIGHT_MARGIN; |
| 1023 | if (x >= 0 && size.x >= nameWidth) { |
| 1024 | if (time1 - time0 > timeWidth) { |
| 1025 | // nanosecond smaller than one pixel: use the first integer nanosecond of this pixel's time range |
| 1026 | hitTime = time0 + (long) Math.ceil((time1 - time0) * ((double) x / timeWidth)); |
| 1027 | } else { |
| 1028 | // nanosecond greater than one pixel: use the nanosecond that covers this pixel start position |
| 1029 | hitTime = time0 + (long) Math.floor((time1 - time0) * ((double) x / timeWidth)); |
| 1030 | } |
| 1031 | } |
| 1032 | return hitTime; |
| 1033 | } |
| 1034 | |
| 1035 | void selectItem(int idx, boolean addSelection) { |
| 1036 | boolean changed = false; |
| 1037 | if (addSelection) { |
| 1038 | if (idx >= 0 && idx < fItemData.fExpandedItems.length) { |
| 1039 | Item item = fItemData.fExpandedItems[idx]; |
| 1040 | changed = !item.fSelected; |
| 1041 | item.fSelected = true; |
| 1042 | } |
| 1043 | } else { |
| 1044 | for (int i = 0; i < fItemData.fExpandedItems.length; i++) { |
| 1045 | Item item = fItemData.fExpandedItems[i]; |
| 1046 | if ((i == idx && !item.fSelected) || (idx == -1 && item.fSelected)) { |
| 1047 | changed = true; |
| 1048 | } |
| 1049 | item.fSelected = i == idx; |
| 1050 | } |
| 1051 | } |
| 1052 | changed |= ensureVisibleItem(idx, true); |
| 1053 | if (changed) { |
| 1054 | redraw(); |
| 1055 | } |
| 1056 | } |
| 1057 | |
| 1058 | /** |
| 1059 | * Callback for item selection |
| 1060 | * |
| 1061 | * @param trace |
| 1062 | * The entry matching the trace |
| 1063 | * @param addSelection |
| 1064 | * If the selection is added or removed |
| 1065 | */ |
| 1066 | public void selectItem(ITimeGraphEntry trace, boolean addSelection) { |
| 1067 | int idx = fItemData.findItemIndex(trace); |
| 1068 | selectItem(idx, addSelection); |
| 1069 | } |
| 1070 | |
| 1071 | /** |
| 1072 | * Retrieve the number of entries shown per page. |
| 1073 | * |
| 1074 | * @return The count |
| 1075 | */ |
| 1076 | public int countPerPage() { |
| 1077 | int height = getCtrlSize().y; |
| 1078 | int count = 0; |
| 1079 | int ySum = 0; |
| 1080 | for (int idx = fTopIndex; idx < fItemData.fExpandedItems.length; idx++) { |
| 1081 | ySum += fItemData.fExpandedItems[idx].fItemHeight; |
| 1082 | if (ySum >= height) { |
| 1083 | return count; |
| 1084 | } |
| 1085 | count++; |
| 1086 | } |
| 1087 | for (int idx = fTopIndex - 1; idx >= 0; idx--) { |
| 1088 | ySum += fItemData.fExpandedItems[idx].fItemHeight; |
| 1089 | if (ySum >= height) { |
| 1090 | return count; |
| 1091 | } |
| 1092 | count++; |
| 1093 | } |
| 1094 | return count; |
| 1095 | } |
| 1096 | |
| 1097 | /** |
| 1098 | * Get the index of the top element |
| 1099 | * |
| 1100 | * @return The index |
| 1101 | */ |
| 1102 | public int getTopIndex() { |
| 1103 | return fTopIndex; |
| 1104 | } |
| 1105 | |
| 1106 | /** |
| 1107 | * Get the number of expanded items |
| 1108 | * |
| 1109 | * @return The count of expanded items |
| 1110 | */ |
| 1111 | public int getExpandedElementCount() { |
| 1112 | return fItemData.fExpandedItems.length; |
| 1113 | } |
| 1114 | |
| 1115 | /** |
| 1116 | * Get an array of all expanded elements |
| 1117 | * |
| 1118 | * @return The expanded elements |
| 1119 | */ |
| 1120 | public ITimeGraphEntry[] getExpandedElements() { |
| 1121 | ArrayList<ITimeGraphEntry> elements = new ArrayList<ITimeGraphEntry>(); |
| 1122 | for (Item item : fItemData.fExpandedItems) { |
| 1123 | elements.add(item.fTrace); |
| 1124 | } |
| 1125 | return elements.toArray(new ITimeGraphEntry[0]); |
| 1126 | } |
| 1127 | |
| 1128 | Point getCtrlSize() { |
| 1129 | Point size = getSize(); |
| 1130 | if (getHorizontalBar().isVisible()) { |
| 1131 | size.y -= getHorizontalBar().getSize().y; |
| 1132 | } |
| 1133 | return size; |
| 1134 | } |
| 1135 | |
| 1136 | Rectangle getNameRect(Rectangle bound, int idx, int nameWidth) { |
| 1137 | Rectangle rect = getStatesRect(bound, idx, nameWidth); |
| 1138 | rect.x = bound.x; |
| 1139 | rect.width = nameWidth; |
| 1140 | return rect; |
| 1141 | } |
| 1142 | |
| 1143 | Rectangle getStatesRect(Rectangle bound, int idx, int nameWidth) { |
| 1144 | int x = bound.x + nameWidth; |
| 1145 | int width = bound.width - x; |
| 1146 | int ySum = 0; |
| 1147 | if (idx >= fTopIndex) { |
| 1148 | for (int i = fTopIndex; i < idx; i++) { |
| 1149 | ySum += fItemData.fExpandedItems[i].fItemHeight; |
| 1150 | } |
| 1151 | } else { |
| 1152 | for (int i = fTopIndex - 1; i >= idx; i--) { |
| 1153 | ySum -= fItemData.fExpandedItems[i].fItemHeight; |
| 1154 | } |
| 1155 | } |
| 1156 | int y = bound.y + ySum; |
| 1157 | int height = fItemData.fExpandedItems[idx].fItemHeight; |
| 1158 | return new Rectangle(x, y, width, height); |
| 1159 | } |
| 1160 | |
| 1161 | @Override |
| 1162 | void paint(Rectangle bounds, PaintEvent e) { |
| 1163 | GC gc = e.gc; |
| 1164 | gc.setBackground(getColorScheme().getColor(TimeGraphColorScheme.BACKGROUND)); |
| 1165 | drawBackground(gc, bounds.x, bounds.y, bounds.width, bounds.height); |
| 1166 | |
| 1167 | if (bounds.width < 2 || bounds.height < 2 || null == fTimeProvider) { |
| 1168 | return; |
| 1169 | } |
| 1170 | |
| 1171 | fIdealNameSpace = 0; |
| 1172 | int nameSpace = fTimeProvider.getNameSpace(); |
| 1173 | |
| 1174 | // draw empty name space background |
| 1175 | gc.setBackground(getColorScheme().getBkColor(false, false, true)); |
| 1176 | drawBackground(gc, bounds.x, bounds.y, nameSpace, bounds.height); |
| 1177 | |
| 1178 | // draw items |
| 1179 | drawItems(bounds, fTimeProvider, fItemData.fExpandedItems, fTopIndex, nameSpace, gc); |
| 1180 | drawLinks(bounds, fTimeProvider, fItemData.fLinks, nameSpace, gc); |
| 1181 | fTimeGraphProvider.postDrawControl(bounds, gc); |
| 1182 | |
| 1183 | int alpha = gc.getAlpha(); |
| 1184 | gc.setAlpha(100); |
| 1185 | |
| 1186 | long time0 = fTimeProvider.getTime0(); |
| 1187 | long time1 = fTimeProvider.getTime1(); |
| 1188 | long selectionBegin; |
| 1189 | long selectionEnd; |
| 1190 | if (fTimeProvider instanceof ITimeDataProvider2) { |
| 1191 | selectionBegin = ((ITimeDataProvider2) fTimeProvider).getSelectionBegin(); |
| 1192 | selectionEnd = ((ITimeDataProvider2) fTimeProvider).getSelectionEnd(); |
| 1193 | } else { |
| 1194 | @SuppressWarnings("deprecation") |
| 1195 | long selectedTime = fTimeProvider.getSelectedTime(); |
| 1196 | selectionBegin = selectedTime; |
| 1197 | selectionEnd = selectedTime; |
| 1198 | } |
| 1199 | double pixelsPerNanoSec = (bounds.width - nameSpace <= RIGHT_MARGIN) ? 0 : (double) (bounds.width - nameSpace - RIGHT_MARGIN) / (time1 - time0); |
| 1200 | int x0 = bounds.x + nameSpace + (int) ((selectionBegin - time0) * pixelsPerNanoSec); |
| 1201 | int x1 = bounds.x + nameSpace + (int) ((selectionEnd - time0) * pixelsPerNanoSec); |
| 1202 | |
| 1203 | // draw selection lines |
| 1204 | if (fDragState != DRAG_SELECTION) { |
| 1205 | gc.setForeground(getColorScheme().getColor(TimeGraphColorScheme.SELECTED_TIME)); |
| 1206 | if (x0 >= nameSpace && x0 < bounds.x + bounds.width) { |
| 1207 | gc.drawLine(x0, bounds.y, x0, bounds.y + bounds.height); |
| 1208 | } |
| 1209 | if (x1 != x0) { |
| 1210 | if (x1 >= nameSpace && x1 < bounds.x + bounds.width) { |
| 1211 | gc.drawLine(x1, bounds.y, x1, bounds.y + bounds.height); |
| 1212 | } |
| 1213 | } |
| 1214 | } |
| 1215 | |
| 1216 | // draw selection background |
| 1217 | if (selectionBegin != 0 && selectionEnd != 0 && fDragState != DRAG_SELECTION) { |
| 1218 | x0 = Math.max(nameSpace, Math.min(bounds.x + bounds.width, x0)); |
| 1219 | x1 = Math.max(nameSpace, Math.min(bounds.x + bounds.width, x1)); |
| 1220 | gc.setBackground(getColorScheme().getBkColor(false, false, true)); |
| 1221 | if (x1 - x0 > 1) { |
| 1222 | gc.fillRectangle(new Rectangle(x0 + 1, bounds.y, x1 - x0 - 1, bounds.height)); |
| 1223 | } else if (x0 - x1 > 1) { |
| 1224 | gc.fillRectangle(new Rectangle(x1 + 1, bounds.y, x0 - x1 - 1, bounds.height)); |
| 1225 | } |
| 1226 | } |
| 1227 | |
| 1228 | // draw drag selection background |
| 1229 | if (fDragState == DRAG_ZOOM || fDragState == DRAG_SELECTION) { |
| 1230 | gc.setBackground(getColorScheme().getBkColor(false, false, true)); |
| 1231 | if (fDragX0 < fDragX) { |
| 1232 | gc.fillRectangle(new Rectangle(fDragX0, bounds.y, fDragX - fDragX0, bounds.height)); |
| 1233 | } else if (fDragX0 > fDragX) { |
| 1234 | gc.fillRectangle(new Rectangle(fDragX, bounds.y, fDragX0 - fDragX, bounds.height)); |
| 1235 | } |
| 1236 | } |
| 1237 | |
| 1238 | // draw drag line |
| 1239 | if (DRAG_SPLIT_LINE == fDragState) { |
| 1240 | gc.setForeground(getColorScheme().getColor(TimeGraphColorScheme.BLACK)); |
| 1241 | gc.drawLine(bounds.x + nameSpace, bounds.y, bounds.x + nameSpace, bounds.y + bounds.height - 1); |
| 1242 | } else if (DRAG_ZOOM == fDragState && Math.max(fDragX, fDragX0) > nameSpace) { |
| 1243 | gc.setForeground(getColorScheme().getColor(TimeGraphColorScheme.TOOL_FOREGROUND)); |
| 1244 | gc.drawLine(fDragX0, bounds.y, fDragX0, bounds.y + bounds.height - 1); |
| 1245 | if (fDragX != fDragX0) { |
| 1246 | gc.drawLine(fDragX, bounds.y, fDragX, bounds.y + bounds.height - 1); |
| 1247 | } |
| 1248 | } else if (DRAG_SELECTION == fDragState && Math.max(fDragX, fDragX0) > nameSpace) { |
| 1249 | gc.setForeground(getColorScheme().getColor(TimeGraphColorScheme.SELECTED_TIME)); |
| 1250 | gc.drawLine(fDragX0, bounds.y, fDragX0, bounds.y + bounds.height - 1); |
| 1251 | if (fDragX != fDragX0) { |
| 1252 | gc.drawLine(fDragX, bounds.y, fDragX, bounds.y + bounds.height - 1); |
| 1253 | } |
| 1254 | } else if (DRAG_NONE == fDragState && fMouseOverSplitLine && fTimeProvider.getNameSpace() > 0) { |
| 1255 | gc.setForeground(getColorScheme().getColor(TimeGraphColorScheme.RED)); |
| 1256 | gc.drawLine(bounds.x + nameSpace, bounds.y, bounds.x + nameSpace, bounds.y + bounds.height - 1); |
| 1257 | } |
| 1258 | |
| 1259 | gc.setAlpha(alpha); |
| 1260 | } |
| 1261 | |
| 1262 | /** |
| 1263 | * Draw many items at once |
| 1264 | * |
| 1265 | * @param bounds |
| 1266 | * The rectangle of the area |
| 1267 | * @param timeProvider |
| 1268 | * The time provider |
| 1269 | * @param items |
| 1270 | * The array items to draw |
| 1271 | * @param topIndex |
| 1272 | * The index of the first element to draw |
| 1273 | * @param nameSpace |
| 1274 | * The width reserved for the names |
| 1275 | * @param gc |
| 1276 | * Reference to the SWT GC object |
| 1277 | */ |
| 1278 | public void drawItems(Rectangle bounds, ITimeDataProvider timeProvider, |
| 1279 | Item[] items, int topIndex, int nameSpace, GC gc) { |
| 1280 | for (int i = topIndex; i < items.length; i++) { |
| 1281 | Item item = items[i]; |
| 1282 | drawItem(item, bounds, timeProvider, i, nameSpace, gc); |
| 1283 | } |
| 1284 | } |
| 1285 | |
| 1286 | /** |
| 1287 | * Draws the item |
| 1288 | * |
| 1289 | * @param item the item to draw |
| 1290 | * @param bounds the container rectangle |
| 1291 | * @param timeProvider Time provider |
| 1292 | * @param i the item index |
| 1293 | * @param nameSpace the name space |
| 1294 | * @param gc Graphics context |
| 1295 | */ |
| 1296 | protected void drawItem(Item item, Rectangle bounds, ITimeDataProvider timeProvider, int i, int nameSpace, GC gc) { |
| 1297 | ITimeGraphEntry entry = item.fTrace; |
| 1298 | long time0 = timeProvider.getTime0(); |
| 1299 | long time1 = timeProvider.getTime1(); |
| 1300 | long selectedTime; |
| 1301 | if (fTimeProvider instanceof ITimeDataProvider2) { |
| 1302 | selectedTime = ((ITimeDataProvider2) fTimeProvider).getSelectionBegin(); |
| 1303 | } else { |
| 1304 | @SuppressWarnings("deprecation") |
| 1305 | long time = fTimeProvider.getSelectedTime(); |
| 1306 | selectedTime = time; |
| 1307 | } |
| 1308 | |
| 1309 | Rectangle nameRect = getNameRect(bounds, i, nameSpace); |
| 1310 | if (nameRect.y >= bounds.y + bounds.height) { |
| 1311 | return; |
| 1312 | } |
| 1313 | |
| 1314 | if (! item.fTrace.hasTimeEvents()) { |
| 1315 | Rectangle statesRect = getStatesRect(bounds, i, nameSpace); |
| 1316 | nameRect.width += statesRect.width; |
| 1317 | drawName(item, nameRect, gc); |
| 1318 | } else { |
| 1319 | drawName(item, nameRect, gc); |
| 1320 | } |
| 1321 | Rectangle rect = getStatesRect(bounds, i, nameSpace); |
| 1322 | if (rect.isEmpty()) { |
| 1323 | fTimeGraphProvider.postDrawEntry(entry, rect, gc); |
| 1324 | return; |
| 1325 | } |
| 1326 | if (time1 <= time0) { |
| 1327 | gc.setBackground(getColorScheme().getBkColor(false, false, false)); |
| 1328 | gc.fillRectangle(rect); |
| 1329 | fTimeGraphProvider.postDrawEntry(entry, rect, gc); |
| 1330 | return; |
| 1331 | } |
| 1332 | |
| 1333 | // Initialize _rect1 to same values as enclosing rectangle rect |
| 1334 | Rectangle stateRect = Utils.clone(rect); |
| 1335 | boolean selected = item.fSelected; |
| 1336 | // K pixels per second |
| 1337 | double pixelsPerNanoSec = (rect.width <= RIGHT_MARGIN) ? 0 : (double) (rect.width - RIGHT_MARGIN) / (time1 - time0); |
| 1338 | |
| 1339 | if (item.fTrace.hasTimeEvents()) { |
| 1340 | fillSpace(rect, gc, selected); |
| 1341 | // Drawing rectangle is smaller than reserved space |
| 1342 | stateRect.y += 3; |
| 1343 | stateRect.height -= 6; |
| 1344 | |
| 1345 | long maxDuration = (timeProvider.getTimeSpace() == 0) ? Long.MAX_VALUE : 1 * (time1 - time0) / timeProvider.getTimeSpace(); |
| 1346 | Iterator<ITimeEvent> iterator = entry.getTimeEventsIterator(time0, time1, maxDuration); |
| 1347 | |
| 1348 | int lastX = -1; |
| 1349 | while (iterator.hasNext()) { |
| 1350 | ITimeEvent event = iterator.next(); |
| 1351 | int x = rect.x + (int) ((event.getTime() - time0) * pixelsPerNanoSec); |
| 1352 | int xEnd = rect.x + (int) ((event.getTime() + event.getDuration() - time0) * pixelsPerNanoSec); |
| 1353 | if (x >= rect.x + rect.width || xEnd < rect.x) { |
| 1354 | // event is out of bounds |
| 1355 | continue; |
| 1356 | } |
| 1357 | xEnd = Math.min(rect.x + rect.width, xEnd); |
| 1358 | stateRect.x = Math.max(rect.x, x); |
| 1359 | stateRect.width = Math.max(0, xEnd - stateRect.x + 1); |
| 1360 | if (stateRect.x == lastX) { |
| 1361 | stateRect.width -= 1; |
| 1362 | if (stateRect.width > 0) { |
| 1363 | gc.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_BLACK)); |
| 1364 | gc.drawPoint(stateRect.x, stateRect.y - 2); |
| 1365 | stateRect.x += 1; |
| 1366 | } |
| 1367 | } |
| 1368 | boolean timeSelected = selectedTime >= event.getTime() && selectedTime < event.getTime() + event.getDuration(); |
| 1369 | if (drawState(getColorScheme(), event, stateRect, gc, selected, timeSelected)) { |
| 1370 | lastX = x; |
| 1371 | } |
| 1372 | } |
| 1373 | } |
| 1374 | fTimeGraphProvider.postDrawEntry(entry, rect, gc); |
| 1375 | } |
| 1376 | |
| 1377 | /** |
| 1378 | * Draw the links |
| 1379 | * |
| 1380 | * @param bounds |
| 1381 | * The rectangle of the area |
| 1382 | * @param timeProvider |
| 1383 | * The time provider |
| 1384 | * @param links |
| 1385 | * The array items to draw |
| 1386 | * @param nameSpace |
| 1387 | * The width reserved for the names |
| 1388 | * @param gc |
| 1389 | * Reference to the SWT GC object |
| 1390 | * @since 2.1 |
| 1391 | */ |
| 1392 | public void drawLinks(Rectangle bounds, ITimeDataProvider timeProvider, |
| 1393 | List<ILinkEvent> links, int nameSpace, GC gc) { |
| 1394 | if (fHideArrows) { |
| 1395 | return; |
| 1396 | } |
| 1397 | for (ILinkEvent event : links) { |
| 1398 | drawLink(event, bounds, timeProvider, nameSpace, gc); |
| 1399 | } |
| 1400 | } |
| 1401 | |
| 1402 | /** |
| 1403 | * Draws the link type events of this item |
| 1404 | * |
| 1405 | * @param event |
| 1406 | * the item to draw |
| 1407 | * @param bounds |
| 1408 | * the container rectangle |
| 1409 | * @param timeProvider |
| 1410 | * Time provider |
| 1411 | * @param nameSpace |
| 1412 | * the name space |
| 1413 | * @param gc |
| 1414 | * Graphics context |
| 1415 | * @since 2.1 |
| 1416 | */ |
| 1417 | protected void drawLink(ILinkEvent event, Rectangle bounds, ITimeDataProvider timeProvider, int nameSpace, GC gc) { |
| 1418 | int srcIndex = fItemData.findItemIndex(event.getEntry()); |
| 1419 | int destIndex = fItemData.findItemIndex(event.getDestinationEntry()); |
| 1420 | |
| 1421 | if ((srcIndex == -1) || (destIndex == -1)) { |
| 1422 | return; |
| 1423 | } |
| 1424 | |
| 1425 | Rectangle src = getStatesRect(bounds, srcIndex, nameSpace); |
| 1426 | Rectangle dst = getStatesRect(bounds, destIndex, nameSpace); |
| 1427 | |
| 1428 | int x0 = getXForTime(event.getTime()); |
| 1429 | int x1 = getXForTime(event.getTime() + event.getDuration()); |
| 1430 | int y0 = src.y + src.height / 2; |
| 1431 | int y1 = dst.y + dst.height / 2; |
| 1432 | drawArrow(getColorScheme(), event, new Rectangle(x0, y0, x1 - x0, y1 - y0), gc); |
| 1433 | } |
| 1434 | |
| 1435 | /** |
| 1436 | * Draw the state (color fill) |
| 1437 | * |
| 1438 | * @param colors |
| 1439 | * Color scheme |
| 1440 | * @param event |
| 1441 | * Time event for which we're drawing the state |
| 1442 | * @param rect |
| 1443 | * Where to draw |
| 1444 | * @param gc |
| 1445 | * Graphics context |
| 1446 | * @return true if the state was drawn |
| 1447 | * @since 2.1 |
| 1448 | */ |
| 1449 | protected boolean drawArrow(TimeGraphColorScheme colors, ITimeEvent event, |
| 1450 | Rectangle rect, GC gc) { |
| 1451 | |
| 1452 | int colorIdx = fTimeGraphProvider.getStateTableIndex(event); |
| 1453 | if (colorIdx < 0) { |
| 1454 | return false; |
| 1455 | } |
| 1456 | boolean visible = ((rect.height == 0) && (rect.width == 0)) ? false : true; |
| 1457 | |
| 1458 | if (visible) { |
| 1459 | Color stateColor = null; |
| 1460 | if (colorIdx < fEventColorMap.length) { |
| 1461 | stateColor = fEventColorMap[colorIdx]; |
| 1462 | } else { |
| 1463 | stateColor = Display.getDefault().getSystemColor(SWT.COLOR_BLACK); |
| 1464 | } |
| 1465 | |
| 1466 | gc.setForeground(stateColor); |
| 1467 | gc.setBackground(stateColor); |
| 1468 | |
| 1469 | /* Draw the arrow */ |
| 1470 | gc.drawLine(rect.x, rect.y, rect.x + rect.width, rect.y + rect.height); |
| 1471 | drawArrowHead(rect.x, rect.y, rect.x + rect.width, rect.y + rect.height, gc); |
| 1472 | |
| 1473 | } |
| 1474 | fTimeGraphProvider.postDrawEvent(event, rect, gc); |
| 1475 | return visible; |
| 1476 | } |
| 1477 | |
| 1478 | /* |
| 1479 | * @author Francis Giraldeau |
| 1480 | * |
| 1481 | * Inspiration: |
| 1482 | * http://stackoverflow.com/questions/3010803/draw-arrow-on-line-algorithm |
| 1483 | * |
| 1484 | * The algorithm was taken from this site, not the code itself |
| 1485 | */ |
| 1486 | private static void drawArrowHead(int x0, int y0, int x1, int y1, GC gc) |
| 1487 | { |
| 1488 | int factor = 10; |
| 1489 | double cos = 0.9510; |
| 1490 | double sin = 0.3090; |
| 1491 | int lenx = x1 - x0; |
| 1492 | int leny = y1 - y0; |
| 1493 | double len = Math.sqrt(lenx * lenx + leny * leny); |
| 1494 | |
| 1495 | double dx = factor * lenx / len; |
| 1496 | double dy = factor * leny / len; |
| 1497 | int end1X = (int) Math.round((x1 - (dx * cos + dy * -sin))); |
| 1498 | int end1Y = (int) Math.round((y1 - (dx * sin + dy * cos))); |
| 1499 | int end2X = (int) Math.round((x1 - (dx * cos + dy * sin))); |
| 1500 | int end2Y = (int) Math.round((y1 - (dx * -sin + dy * cos))); |
| 1501 | int[] arrow = new int[] { x1, y1, end1X, end1Y, end2X, end2Y, x1, y1 }; |
| 1502 | gc.fillPolygon(arrow); |
| 1503 | } |
| 1504 | |
| 1505 | /** |
| 1506 | * Draw the name of an item. |
| 1507 | * |
| 1508 | * @param item |
| 1509 | * Item object |
| 1510 | * @param bounds |
| 1511 | * Where to draw the name |
| 1512 | * @param gc |
| 1513 | * Graphics context |
| 1514 | */ |
| 1515 | protected void drawName(Item item, Rectangle bounds, GC gc) { |
| 1516 | boolean hasTimeEvents = item.fTrace.hasTimeEvents(); |
| 1517 | if (! hasTimeEvents) { |
| 1518 | gc.setBackground(getColorScheme().getBkColorGroup(item.fSelected, fIsInFocus)); |
| 1519 | gc.fillRectangle(bounds); |
| 1520 | if (item.fSelected && fIsInFocus) { |
| 1521 | gc.setForeground(getColorScheme().getBkColor(item.fSelected, fIsInFocus, false)); |
| 1522 | gc.drawRectangle(bounds.x, bounds.y, bounds.width - 1, bounds.height - 1); |
| 1523 | } |
| 1524 | } else { |
| 1525 | gc.setBackground(getColorScheme().getBkColor(item.fSelected, fIsInFocus, true)); |
| 1526 | gc.setForeground(getColorScheme().getFgColor(item.fSelected, fIsInFocus)); |
| 1527 | gc.fillRectangle(bounds); |
| 1528 | } |
| 1529 | |
| 1530 | // No name to be drawn |
| 1531 | if (fTimeProvider.getNameSpace() == 0) { |
| 1532 | return; |
| 1533 | } |
| 1534 | |
| 1535 | int leftMargin = MARGIN + item.fLevel * EXPAND_SIZE; |
| 1536 | if (item.fHasChildren) { |
| 1537 | gc.setForeground(getColorScheme().getFgColorGroup(false, false)); |
| 1538 | gc.setBackground(getColorScheme().getBkColor(false, false, false)); |
| 1539 | Rectangle rect = Utils.clone(bounds); |
| 1540 | rect.x += leftMargin; |
| 1541 | rect.y += (bounds.height - EXPAND_SIZE) / 2; |
| 1542 | rect.width = EXPAND_SIZE; |
| 1543 | rect.height = EXPAND_SIZE; |
| 1544 | gc.fillRectangle(rect); |
| 1545 | gc.drawRectangle(rect.x, rect.y, rect.width - 1, rect.height - 1); |
| 1546 | int midy = rect.y + rect.height / 2; |
| 1547 | gc.drawLine(rect.x + 2, midy, rect.x + rect.width - 3, midy); |
| 1548 | if (!item.fExpanded) { |
| 1549 | int midx = rect.x + rect.width / 2; |
| 1550 | gc.drawLine(midx, rect.y + 2, midx, rect.y + rect.height - 3); |
| 1551 | } |
| 1552 | } |
| 1553 | leftMargin += EXPAND_SIZE + MARGIN; |
| 1554 | |
| 1555 | Image img = fTimeGraphProvider.getItemImage(item.fTrace); |
| 1556 | if (img != null) { |
| 1557 | // draw icon |
| 1558 | int imgHeight = img.getImageData().height; |
| 1559 | int imgWidth = img.getImageData().width; |
| 1560 | int x = leftMargin; |
| 1561 | int y = bounds.y + (bounds.height - imgHeight) / 2; |
| 1562 | gc.drawImage(img, x, y); |
| 1563 | leftMargin += imgWidth + MARGIN; |
| 1564 | } |
| 1565 | String name = item.fName; |
| 1566 | Point size = gc.stringExtent(name); |
| 1567 | if (fIdealNameSpace < leftMargin + size.x + MARGIN) { |
| 1568 | fIdealNameSpace = leftMargin + size.x + MARGIN; |
| 1569 | } |
| 1570 | if (hasTimeEvents) { |
| 1571 | // cut long string with "..." |
| 1572 | int width = bounds.width - leftMargin; |
| 1573 | int cuts = 0; |
| 1574 | while (size.x > width && name.length() > 1) { |
| 1575 | cuts++; |
| 1576 | name = name.substring(0, name.length() - 1); |
| 1577 | size = gc.stringExtent(name + "..."); //$NON-NLS-1$ |
| 1578 | } |
| 1579 | if (cuts > 0) { |
| 1580 | name += "..."; //$NON-NLS-1$ |
| 1581 | } |
| 1582 | } |
| 1583 | Rectangle rect = Utils.clone(bounds); |
| 1584 | rect.x += leftMargin; |
| 1585 | rect.width -= leftMargin; |
| 1586 | // draw text |
| 1587 | if (rect.width > 0) { |
| 1588 | rect.y += (bounds.height - gc.stringExtent(name).y) / 2; |
| 1589 | gc.setForeground(getColorScheme().getFgColor(item.fSelected, fIsInFocus)); |
| 1590 | int textWidth = Utils.drawText(gc, name, rect, true); |
| 1591 | leftMargin += textWidth + MARGIN; |
| 1592 | rect.y -= 2; |
| 1593 | |
| 1594 | if (hasTimeEvents) { |
| 1595 | // draw middle line |
| 1596 | int x = bounds.x + leftMargin; |
| 1597 | int width = bounds.width - x; |
| 1598 | int midy = bounds.y + bounds.height / 2; |
| 1599 | gc.setForeground(getColorScheme().getColor(TimeGraphColorScheme.MID_LINE)); |
| 1600 | gc.drawLine(x, midy, x + width, midy); |
| 1601 | } |
| 1602 | } |
| 1603 | } |
| 1604 | |
| 1605 | /** |
| 1606 | * Draw the state (color fill) |
| 1607 | * |
| 1608 | * @param colors |
| 1609 | * Color scheme |
| 1610 | * @param event |
| 1611 | * Time event for which we're drawing the state |
| 1612 | * @param rect |
| 1613 | * Where to draw |
| 1614 | * @param gc |
| 1615 | * Graphics context |
| 1616 | * @param selected |
| 1617 | * Is this time event currently selected (so it appears |
| 1618 | * highlighted) |
| 1619 | * @param timeSelected |
| 1620 | * Is the timestamp currently selected |
| 1621 | * @return true if the state was drawn |
| 1622 | * @since 2.0 |
| 1623 | */ |
| 1624 | protected boolean drawState(TimeGraphColorScheme colors, ITimeEvent event, |
| 1625 | Rectangle rect, GC gc, boolean selected, boolean timeSelected) { |
| 1626 | |
| 1627 | int colorIdx = fTimeGraphProvider.getStateTableIndex(event); |
| 1628 | if (colorIdx < 0 && colorIdx != ITimeGraphPresentationProvider.TRANSPARENT) { |
| 1629 | return false; |
| 1630 | } |
| 1631 | boolean visible = rect.width == 0 ? false : true; |
| 1632 | |
| 1633 | if (visible) { |
| 1634 | if (colorIdx == ITimeGraphPresentationProvider.TRANSPARENT) { |
| 1635 | // Only draw the top and bottom borders |
| 1636 | gc.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_BLACK)); |
| 1637 | gc.drawLine(rect.x, rect.y, rect.x + rect.width - 1, rect.y); |
| 1638 | gc.drawLine(rect.x, rect.y + rect.height - 1, rect.x + rect.width - 1, rect.y + rect.height - 1); |
| 1639 | if (rect.width == 1) { |
| 1640 | gc.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_BLACK)); |
| 1641 | gc.drawPoint(rect.x, rect.y - 2); |
| 1642 | } |
| 1643 | return false; |
| 1644 | } |
| 1645 | Color stateColor = null; |
| 1646 | if (colorIdx < fEventColorMap.length) { |
| 1647 | stateColor = fEventColorMap[colorIdx]; |
| 1648 | } else { |
| 1649 | stateColor = Display.getDefault().getSystemColor(SWT.COLOR_BLACK); |
| 1650 | } |
| 1651 | |
| 1652 | boolean reallySelected = timeSelected && selected; |
| 1653 | // fill all rect area |
| 1654 | gc.setBackground(stateColor); |
| 1655 | gc.fillRectangle(rect); |
| 1656 | // get the border color? |
| 1657 | gc.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_BLACK)); |
| 1658 | |
| 1659 | // draw bounds |
| 1660 | if (!reallySelected) { |
| 1661 | // Draw the top and bottom borders i.e. no side borders |
| 1662 | gc.drawLine(rect.x, rect.y, rect.x + rect.width - 1, rect.y); |
| 1663 | gc.drawLine(rect.x, rect.y + rect.height - 1, rect.x + rect.width - 1, rect.y + rect.height - 1); |
| 1664 | } |
| 1665 | } else { |
| 1666 | gc.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_BLACK)); |
| 1667 | gc.drawPoint(rect.x, rect.y - 2); |
| 1668 | } |
| 1669 | fTimeGraphProvider.postDrawEvent(event, rect, gc); |
| 1670 | return visible; |
| 1671 | } |
| 1672 | |
| 1673 | /** |
| 1674 | * Fill the space between two contiguous time events |
| 1675 | * |
| 1676 | * @param rect |
| 1677 | * Rectangle to fill |
| 1678 | * @param gc |
| 1679 | * Graphics context |
| 1680 | * @param selected |
| 1681 | * Is this time event selected or not |
| 1682 | */ |
| 1683 | protected void fillSpace(Rectangle rect, GC gc, boolean selected) { |
| 1684 | gc.setBackground(getColorScheme().getBkColor(selected, fIsInFocus, false)); |
| 1685 | gc.fillRectangle(rect); |
| 1686 | if (fDragState == DRAG_ZOOM) { |
| 1687 | gc.setBackground(getColorScheme().getBkColor(selected, fIsInFocus, true)); |
| 1688 | if (fDragX0 < fDragX) { |
| 1689 | gc.fillRectangle(new Rectangle(fDragX0, rect.y, fDragX - fDragX0, rect.height)); |
| 1690 | } else if (fDragX0 > fDragX) { |
| 1691 | gc.fillRectangle(new Rectangle(fDragX, rect.y, fDragX0 - fDragX, rect.height)); |
| 1692 | } |
| 1693 | } |
| 1694 | // draw middle line |
| 1695 | gc.setForeground(getColorScheme().getColor(TimeGraphColorScheme.MID_LINE)); |
| 1696 | int midy = rect.y + rect.height / 2; |
| 1697 | gc.drawLine(rect.x, midy, rect.x + rect.width, midy); |
| 1698 | } |
| 1699 | |
| 1700 | @Override |
| 1701 | public void keyTraversed(TraverseEvent e) { |
| 1702 | if ((e.detail == SWT.TRAVERSE_TAB_NEXT) || (e.detail == SWT.TRAVERSE_TAB_PREVIOUS)) { |
| 1703 | e.doit = true; |
| 1704 | } |
| 1705 | } |
| 1706 | |
| 1707 | @Override |
| 1708 | public void keyPressed(KeyEvent e) { |
| 1709 | int idx = -1; |
| 1710 | if (fItemData.fExpandedItems.length == 0) { |
| 1711 | return; |
| 1712 | } |
| 1713 | if (SWT.HOME == e.keyCode) { |
| 1714 | idx = 0; |
| 1715 | } else if (SWT.END == e.keyCode) { |
| 1716 | idx = fItemData.fExpandedItems.length - 1; |
| 1717 | } else if (SWT.ARROW_DOWN == e.keyCode) { |
| 1718 | idx = getSelectedIndex(); |
| 1719 | if (idx < 0) { |
| 1720 | idx = 0; |
| 1721 | } else if (idx < fItemData.fExpandedItems.length - 1) { |
| 1722 | idx++; |
| 1723 | } |
| 1724 | } else if (SWT.ARROW_UP == e.keyCode) { |
| 1725 | idx = getSelectedIndex(); |
| 1726 | if (idx < 0) { |
| 1727 | idx = 0; |
| 1728 | } else if (idx > 0) { |
| 1729 | idx--; |
| 1730 | } |
| 1731 | } else if (SWT.ARROW_LEFT == e.keyCode) { |
| 1732 | selectPrevEvent(); |
| 1733 | } else if (SWT.ARROW_RIGHT == e.keyCode) { |
| 1734 | selectNextEvent(); |
| 1735 | } else if (SWT.PAGE_DOWN == e.keyCode) { |
| 1736 | int page = countPerPage(); |
| 1737 | idx = getSelectedIndex(); |
| 1738 | if (idx < 0) { |
| 1739 | idx = 0; |
| 1740 | } |
| 1741 | idx += page; |
| 1742 | if (idx >= fItemData.fExpandedItems.length) { |
| 1743 | idx = fItemData.fExpandedItems.length - 1; |
| 1744 | } |
| 1745 | } else if (SWT.PAGE_UP == e.keyCode) { |
| 1746 | int page = countPerPage(); |
| 1747 | idx = getSelectedIndex(); |
| 1748 | if (idx < 0) { |
| 1749 | idx = 0; |
| 1750 | } |
| 1751 | idx -= page; |
| 1752 | if (idx < 0) { |
| 1753 | idx = 0; |
| 1754 | } |
| 1755 | } else if (SWT.CR == e.keyCode) { |
| 1756 | idx = getSelectedIndex(); |
| 1757 | if (idx >= 0) { |
| 1758 | if (fItemData.fExpandedItems[idx].fHasChildren) { |
| 1759 | toggle(idx); |
| 1760 | } else { |
| 1761 | fireDefaultSelection(); |
| 1762 | } |
| 1763 | } |
| 1764 | idx = -1; |
| 1765 | } |
| 1766 | if (idx >= 0) { |
| 1767 | selectItem(idx, false); |
| 1768 | fireSelectionChanged(); |
| 1769 | } |
| 1770 | int x = toControl(e.display.getCursorLocation()).x; |
| 1771 | updateCursor(x, e.stateMask | e.keyCode); |
| 1772 | } |
| 1773 | |
| 1774 | @Override |
| 1775 | public void keyReleased(KeyEvent e) { |
| 1776 | int x = toControl(e.display.getCursorLocation()).x; |
| 1777 | updateCursor(x, e.stateMask & ~e.keyCode); |
| 1778 | } |
| 1779 | |
| 1780 | @Override |
| 1781 | public void focusGained(FocusEvent e) { |
| 1782 | fIsInFocus = true; |
| 1783 | if (fMouseScrollFilterListener == null) { |
| 1784 | fMouseScrollFilterListener = new Listener() { |
| 1785 | // This filter is used to prevent horizontal scrolling of the view |
| 1786 | // when the mouse wheel is used to zoom |
| 1787 | @Override |
| 1788 | public void handleEvent(Event event) { |
| 1789 | event.doit = false; |
| 1790 | } |
| 1791 | }; |
| 1792 | getDisplay().addFilter(SWT.MouseWheel, fMouseScrollFilterListener); |
| 1793 | } |
| 1794 | redraw(); |
| 1795 | updateStatusLine(NO_STATUS); |
| 1796 | } |
| 1797 | |
| 1798 | @Override |
| 1799 | public void focusLost(FocusEvent e) { |
| 1800 | fIsInFocus = false; |
| 1801 | if (fMouseScrollFilterListener != null) { |
| 1802 | getDisplay().removeFilter(SWT.MouseWheel, fMouseScrollFilterListener); |
| 1803 | fMouseScrollFilterListener = null; |
| 1804 | } |
| 1805 | if (DRAG_NONE != fDragState) { |
| 1806 | setCapture(false); |
| 1807 | fDragState = DRAG_NONE; |
| 1808 | } |
| 1809 | redraw(); |
| 1810 | updateStatusLine(NO_STATUS); |
| 1811 | } |
| 1812 | |
| 1813 | /** |
| 1814 | * @return If the current view is focused |
| 1815 | */ |
| 1816 | public boolean isInFocus() { |
| 1817 | return fIsInFocus; |
| 1818 | } |
| 1819 | |
| 1820 | /** |
| 1821 | * Provide the possibility to control the wait cursor externally e.g. data |
| 1822 | * requests in progress |
| 1823 | * |
| 1824 | * @param waitInd Should we wait indefinitely? |
| 1825 | */ |
| 1826 | public void waitCursor(boolean waitInd) { |
| 1827 | // Update cursor as indicated |
| 1828 | if (waitInd) { |
| 1829 | setCursor(fWaitCursor); |
| 1830 | } else { |
| 1831 | setCursor(null); |
| 1832 | } |
| 1833 | } |
| 1834 | |
| 1835 | private void updateCursor(int x, int stateMask) { |
| 1836 | // if Wait cursor not active, check for the need to change the cursor |
| 1837 | if (getCursor() == fWaitCursor) { |
| 1838 | return; |
| 1839 | } |
| 1840 | Cursor cursor = null; |
| 1841 | if (fDragState == DRAG_SPLIT_LINE) { |
| 1842 | } else if (fDragState == DRAG_SELECTION) { |
| 1843 | cursor = fResizeCursor; |
| 1844 | } else if (fDragState == DRAG_TRACE_ITEM) { |
| 1845 | cursor = fDragCursor; |
| 1846 | } else if (fDragState == DRAG_ZOOM) { |
| 1847 | cursor = fZoomCursor; |
| 1848 | } else if ((stateMask & SWT.MODIFIER_MASK) == SWT.CTRL) { |
| 1849 | cursor = fDragCursor; |
| 1850 | } else if ((stateMask & SWT.MODIFIER_MASK) == SWT.SHIFT) { |
| 1851 | cursor = fResizeCursor; |
| 1852 | } else { |
| 1853 | if (!isOverSplitLine(x) &&fTimeProvider instanceof ITimeDataProvider2) { |
| 1854 | long selectionBegin = ((ITimeDataProvider2) fTimeProvider).getSelectionBegin(); |
| 1855 | long selectionEnd = ((ITimeDataProvider2) fTimeProvider).getSelectionEnd(); |
| 1856 | int xBegin = getXForTime(selectionBegin); |
| 1857 | int xEnd = getXForTime(selectionEnd); |
| 1858 | if (Math.abs(x - xBegin) < SNAP_WIDTH || Math.abs(x - xEnd) < SNAP_WIDTH) { |
| 1859 | cursor = fResizeCursor; |
| 1860 | } |
| 1861 | } |
| 1862 | } |
| 1863 | if (getCursor() != cursor) { |
| 1864 | setCursor(cursor); |
| 1865 | } |
| 1866 | } |
| 1867 | |
| 1868 | private void updateStatusLine(int x) { |
| 1869 | if (fStatusLineManager == null) { |
| 1870 | return; |
| 1871 | } |
| 1872 | StringBuilder message = new StringBuilder(); |
| 1873 | if (x >= 0 && fDragState == DRAG_NONE) { |
| 1874 | long time = getTimeAtX(x); |
| 1875 | if (time >= 0) { |
| 1876 | message.append("T: "); //$NON-NLS-1$ |
| 1877 | message.append(new TmfNanoTimestamp(time).toString()); |
| 1878 | message.append(" T1: "); //$NON-NLS-1$ |
| 1879 | if (fTimeProvider instanceof ITimeDataProvider2) { |
| 1880 | long selectionBegin = ((ITimeDataProvider2) fTimeProvider).getSelectionBegin(); |
| 1881 | long selectionEnd = ((ITimeDataProvider2) fTimeProvider).getSelectionEnd(); |
| 1882 | message.append(new TmfNanoTimestamp(Math.min(selectionBegin, selectionEnd)).toString()); |
| 1883 | if (selectionBegin != selectionEnd) { |
| 1884 | message.append(" T2: "); //$NON-NLS-1$ |
| 1885 | message.append(new TmfNanoTimestamp(Math.max(selectionBegin, selectionEnd)).toString()); |
| 1886 | message.append(" \u0394: "); //$NON-NLS-1$ |
| 1887 | message.append(new TmfTimestampDelta(Math.abs(selectionBegin - selectionEnd), ITmfTimestamp.NANOSECOND_SCALE)); |
| 1888 | } |
| 1889 | } else { |
| 1890 | @SuppressWarnings("deprecation") |
| 1891 | long selectedTime = fTimeProvider.getSelectedTime(); |
| 1892 | message.append(new TmfNanoTimestamp(selectedTime)); |
| 1893 | } |
| 1894 | } |
| 1895 | } else if (fDragState == DRAG_SELECTION || fDragState == DRAG_ZOOM) { |
| 1896 | long time0 = fDragTime0; |
| 1897 | long time = getTimeAtX(fDragX); |
| 1898 | message.append("T1: "); //$NON-NLS-1$ |
| 1899 | message.append(new TmfNanoTimestamp(Math.min(time, time0)).toString()); |
| 1900 | if (time != time0) { |
| 1901 | message.append(" T2: "); //$NON-NLS-1$ |
| 1902 | message.append(new TmfNanoTimestamp(Math.max(time, time0)).toString()); |
| 1903 | message.append(" \u0394: "); //$NON-NLS-1$ |
| 1904 | message.append(new TmfTimestampDelta(Math.abs(time - time0), ITmfTimestamp.NANOSECOND_SCALE)); |
| 1905 | } |
| 1906 | } |
| 1907 | fStatusLineManager.setMessage(message.toString()); |
| 1908 | } |
| 1909 | |
| 1910 | @Override |
| 1911 | public void mouseMove(MouseEvent e) { |
| 1912 | if (null == fTimeProvider) { |
| 1913 | return; |
| 1914 | } |
| 1915 | Point size = getCtrlSize(); |
| 1916 | if (DRAG_TRACE_ITEM == fDragState) { |
| 1917 | int nameWidth = fTimeProvider.getNameSpace(); |
| 1918 | if (e.x > nameWidth && size.x > nameWidth && fDragX != e.x) { |
| 1919 | fDragX = e.x; |
| 1920 | double pixelsPerNanoSec = (size.x - nameWidth <= RIGHT_MARGIN) ? 0 : (double) (size.x - nameWidth - RIGHT_MARGIN) / (fTime1bak - fTime0bak); |
| 1921 | long timeDelta = (long) ((pixelsPerNanoSec == 0) ? 0 : ((fDragX - fDragX0) / pixelsPerNanoSec)); |
| 1922 | long time1 = fTime1bak - timeDelta; |
| 1923 | long maxTime = fTimeProvider.getMaxTime(); |
| 1924 | if (time1 > maxTime) { |
| 1925 | time1 = maxTime; |
| 1926 | } |
| 1927 | long time0 = time1 - (fTime1bak - fTime0bak); |
| 1928 | if (time0 < fTimeProvider.getMinTime()) { |
| 1929 | time0 = fTimeProvider.getMinTime(); |
| 1930 | time1 = time0 + (fTime1bak - fTime0bak); |
| 1931 | } |
| 1932 | fTimeProvider.setStartFinishTime(time0, time1); |
| 1933 | } |
| 1934 | } else if (DRAG_SPLIT_LINE == fDragState) { |
| 1935 | fDragX = e.x; |
| 1936 | fTimeProvider.setNameSpace(e.x); |
| 1937 | } else if (DRAG_SELECTION == fDragState) { |
| 1938 | if (fTimeProvider instanceof ITimeDataProvider2) { |
| 1939 | fDragX = Math.min(Math.max(e.x, fTimeProvider.getNameSpace()), size.x - RIGHT_MARGIN); |
| 1940 | redraw(); |
| 1941 | fTimeGraphScale.setDragRange(fDragX0, fDragX); |
| 1942 | } |
| 1943 | } else if (DRAG_ZOOM == fDragState) { |
| 1944 | fDragX = Math.min(Math.max(e.x, fTimeProvider.getNameSpace()), size.x - RIGHT_MARGIN); |
| 1945 | redraw(); |
| 1946 | fTimeGraphScale.setDragRange(fDragX0, fDragX); |
| 1947 | } else if (DRAG_NONE == fDragState) { |
| 1948 | boolean mouseOverSplitLine = isOverSplitLine(e.x); |
| 1949 | if (fMouseOverSplitLine != mouseOverSplitLine) { |
| 1950 | redraw(); |
| 1951 | } |
| 1952 | fMouseOverSplitLine = mouseOverSplitLine; |
| 1953 | } |
| 1954 | updateCursor(e.x, e.stateMask); |
| 1955 | updateStatusLine(e.x); |
| 1956 | } |
| 1957 | |
| 1958 | @Override |
| 1959 | public void mouseDoubleClick(MouseEvent e) { |
| 1960 | if (null == fTimeProvider) { |
| 1961 | return; |
| 1962 | } |
| 1963 | if (1 == e.button && (e.stateMask & SWT.BUTTON_MASK) == 0) { |
| 1964 | if (isOverSplitLine(e.x) && fTimeProvider.getNameSpace() != 0) { |
| 1965 | fTimeProvider.setNameSpace(fIdealNameSpace); |
| 1966 | boolean mouseOverSplitLine = isOverSplitLine(e.x); |
| 1967 | if (fMouseOverSplitLine != mouseOverSplitLine) { |
| 1968 | redraw(); |
| 1969 | } |
| 1970 | fMouseOverSplitLine = mouseOverSplitLine; |
| 1971 | return; |
| 1972 | } |
| 1973 | int idx = getItemIndexAtY(e.y); |
| 1974 | if (idx >= 0) { |
| 1975 | selectItem(idx, false); |
| 1976 | fireDefaultSelection(); |
| 1977 | } |
| 1978 | } |
| 1979 | } |
| 1980 | |
| 1981 | @Override |
| 1982 | public void mouseDown(MouseEvent e) { |
| 1983 | if (fDragState != DRAG_NONE || null == fTimeProvider) { |
| 1984 | return; |
| 1985 | } |
| 1986 | int idx; |
| 1987 | if (1 == e.button && (e.stateMask & SWT.MODIFIER_MASK) == 0) { |
| 1988 | int nameSpace = fTimeProvider.getNameSpace(); |
| 1989 | if (nameSpace != 0 && isOverSplitLine(e.x)) { |
| 1990 | fDragState = DRAG_SPLIT_LINE; |
| 1991 | fDragButton = e.button; |
| 1992 | fDragX = e.x; |
| 1993 | fDragX0 = fDragX; |
| 1994 | fTime0bak = fTimeProvider.getTime0(); |
| 1995 | fTime1bak = fTimeProvider.getTime1(); |
| 1996 | redraw(); |
| 1997 | updateCursor(e.x, e.stateMask); |
| 1998 | return; |
| 1999 | } |
| 2000 | } |
| 2001 | if (1 == e.button && ((e.stateMask & SWT.MODIFIER_MASK) == 0 || (e.stateMask & SWT.MODIFIER_MASK) == SWT.SHIFT)) { |
| 2002 | int nameSpace = fTimeProvider.getNameSpace(); |
| 2003 | idx = getItemIndexAtY(e.y); |
| 2004 | if (idx >= 0) { |
| 2005 | Item item = fItemData.fExpandedItems[idx]; |
| 2006 | if (item.fHasChildren && e.x < nameSpace && e.x < MARGIN + (item.fLevel + 1) * EXPAND_SIZE) { |
| 2007 | toggle(idx); |
| 2008 | return; |
| 2009 | } |
| 2010 | selectItem(idx, false); |
| 2011 | fireSelectionChanged(); |
| 2012 | } else { |
| 2013 | selectItem(idx, false); // clear selection |
| 2014 | fireSelectionChanged(); |
| 2015 | } |
| 2016 | long hitTime = getTimeAtX(e.x); |
| 2017 | if (hitTime >= 0) { |
| 2018 | setCapture(true); |
| 2019 | |
| 2020 | fDragState = DRAG_SELECTION; |
| 2021 | fDragButton = e.button; |
| 2022 | fDragX = e.x; |
| 2023 | fDragX0 = fDragX; |
| 2024 | fDragTime0 = getTimeAtX(fDragX0); |
| 2025 | if (fTimeProvider instanceof ITimeDataProvider2) { |
| 2026 | long selectionBegin = ((ITimeDataProvider2) fTimeProvider).getSelectionBegin(); |
| 2027 | long selectionEnd = ((ITimeDataProvider2) fTimeProvider).getSelectionEnd(); |
| 2028 | int xBegin = getXForTime(selectionBegin); |
| 2029 | int xEnd = getXForTime(selectionEnd); |
| 2030 | if ((e.stateMask & SWT.MODIFIER_MASK) == SWT.SHIFT) { |
| 2031 | long time = getTimeAtX(e.x); |
| 2032 | if (Math.abs(time - selectionBegin) < Math.abs(time - selectionEnd)) { |
| 2033 | fDragX0 = xEnd; |
| 2034 | fDragTime0 = selectionEnd; |
| 2035 | } else { |
| 2036 | fDragX0 = xBegin; |
| 2037 | fDragTime0 = selectionBegin; |
| 2038 | } |
| 2039 | } else { |
| 2040 | long time = getTimeAtX(e.x); |
| 2041 | if (Math.abs(e.x - xBegin) < SNAP_WIDTH && Math.abs(time - selectionBegin) <= Math.abs(time - selectionEnd)) { |
| 2042 | fDragX0 = xEnd; |
| 2043 | fDragTime0 = selectionEnd; |
| 2044 | } else if (Math.abs(e.x - xEnd) < SNAP_WIDTH && Math.abs(time - selectionEnd) <= Math.abs(time - selectionBegin)) { |
| 2045 | fDragX0 = xBegin; |
| 2046 | fDragTime0 = selectionBegin; |
| 2047 | } |
| 2048 | } |
| 2049 | } |
| 2050 | fTime0bak = fTimeProvider.getTime0(); |
| 2051 | fTime1bak = fTimeProvider.getTime1(); |
| 2052 | redraw(); |
| 2053 | updateCursor(e.x, e.stateMask); |
| 2054 | fTimeGraphScale.setDragRange(fDragX0, fDragX); |
| 2055 | } |
| 2056 | } else if (2 == e.button || (1 == e.button && (e.stateMask & SWT.MODIFIER_MASK) == SWT.CTRL)) { |
| 2057 | long hitTime = getTimeAtX(e.x); |
| 2058 | if (hitTime > 0) { |
| 2059 | setCapture(true); |
| 2060 | fDragState = DRAG_TRACE_ITEM; |
| 2061 | fDragButton = e.button; |
| 2062 | fDragX = e.x; |
| 2063 | fDragX0 = fDragX; |
| 2064 | fTime0bak = fTimeProvider.getTime0(); |
| 2065 | fTime1bak = fTimeProvider.getTime1(); |
| 2066 | updateCursor(e.x, e.stateMask); |
| 2067 | } |
| 2068 | } else if (3 == e.button) { |
| 2069 | if (fTimeProvider.getTime0() == fTimeProvider.getTime1() || getCtrlSize().x - fTimeProvider.getNameSpace() <= 0) { |
| 2070 | return; |
| 2071 | } |
| 2072 | setCapture(true); |
| 2073 | fDragX = Math.min(Math.max(e.x, fTimeProvider.getNameSpace()), getCtrlSize().x - RIGHT_MARGIN); |
| 2074 | fDragX0 = fDragX; |
| 2075 | fDragState = DRAG_ZOOM; |
| 2076 | fDragButton = e.button; |
| 2077 | redraw(); |
| 2078 | updateCursor(e.x, e.stateMask); |
| 2079 | fTimeGraphScale.setDragRange(fDragX0, fDragX); |
| 2080 | } |
| 2081 | } |
| 2082 | |
| 2083 | @Override |
| 2084 | public void mouseUp(MouseEvent e) { |
| 2085 | if (fPendingMenuDetectEvent != null && e.button == 3) { |
| 2086 | menuDetected(fPendingMenuDetectEvent); |
| 2087 | } |
| 2088 | if (DRAG_NONE != fDragState) { |
| 2089 | setCapture(false); |
| 2090 | if (e.button == fDragButton && DRAG_TRACE_ITEM == fDragState) { |
| 2091 | if (fDragX != fDragX0) { |
| 2092 | fTimeProvider.notifyStartFinishTime(); |
| 2093 | } |
| 2094 | fDragState = DRAG_NONE; |
| 2095 | } else if (e.button == fDragButton && DRAG_SPLIT_LINE == fDragState) { |
| 2096 | fDragState = DRAG_NONE; |
| 2097 | redraw(); |
| 2098 | } else if (e.button == fDragButton && DRAG_SELECTION == fDragState) { |
| 2099 | if (fDragX == fDragX0) { // click without selecting anything |
| 2100 | long time = getTimeAtX(e.x); |
| 2101 | fTimeProvider.setSelectedTimeNotify(time, false); |
| 2102 | } else { |
| 2103 | long time0 = fDragTime0; |
| 2104 | long time1 = getTimeAtX(fDragX); |
| 2105 | if (time0 <= time1) { |
| 2106 | ((ITimeDataProvider2) fTimeProvider).setSelectionRangeNotify(time0, time1); |
| 2107 | } else { |
| 2108 | ((ITimeDataProvider2) fTimeProvider).setSelectionRangeNotify(time1, time0); |
| 2109 | } |
| 2110 | } |
| 2111 | fDragState = DRAG_NONE; |
| 2112 | redraw(); |
| 2113 | fTimeGraphScale.setDragRange(-1, -1); |
| 2114 | } else if (e.button == fDragButton && DRAG_ZOOM == fDragState) { |
| 2115 | int nameWidth = fTimeProvider.getNameSpace(); |
| 2116 | if (Math.max(fDragX, fDragX0) > nameWidth && fDragX != fDragX0) { |
| 2117 | long time0 = getTimeAtX(fDragX0); |
| 2118 | long time1 = getTimeAtX(fDragX); |
| 2119 | if (time0 < time1) { |
| 2120 | fTimeProvider.setStartFinishTimeNotify(time0, time1); |
| 2121 | } else { |
| 2122 | fTimeProvider.setStartFinishTimeNotify(time1, time0); |
| 2123 | } |
| 2124 | } else { |
| 2125 | redraw(); |
| 2126 | } |
| 2127 | fDragState = DRAG_NONE; |
| 2128 | fTimeGraphScale.setDragRange(-1, -1); |
| 2129 | } |
| 2130 | } |
| 2131 | updateCursor(e.x, e.stateMask); |
| 2132 | updateStatusLine(e.x); |
| 2133 | } |
| 2134 | |
| 2135 | @Override |
| 2136 | public void mouseEnter(MouseEvent e) { |
| 2137 | } |
| 2138 | |
| 2139 | @Override |
| 2140 | public void mouseExit(MouseEvent e) { |
| 2141 | if (fMouseOverSplitLine) { |
| 2142 | fMouseOverSplitLine = false; |
| 2143 | redraw(); |
| 2144 | } |
| 2145 | updateStatusLine(NO_STATUS); |
| 2146 | } |
| 2147 | |
| 2148 | @Override |
| 2149 | public void mouseHover(MouseEvent e) { |
| 2150 | } |
| 2151 | |
| 2152 | @Override |
| 2153 | public void mouseScrolled(MouseEvent e) { |
| 2154 | if ((fMouseScrollFilterListener == null) || fDragState != DRAG_NONE) { |
| 2155 | return; |
| 2156 | } |
| 2157 | boolean zoomScroll = false; |
| 2158 | Point p = getParent().toControl(getDisplay().getCursorLocation()); |
| 2159 | Point parentSize = getParent().getSize(); |
| 2160 | if (p.x >= 0 && p.x < parentSize.x && p.y >= 0 && p.y < parentSize.y) { |
| 2161 | // over the parent control |
| 2162 | if (e.x > getCtrlSize().x) { |
| 2163 | // over the horizontal scroll bar |
| 2164 | zoomScroll = false; |
| 2165 | } else if (e.y >= 0 && e.y < getCtrlSize().y && e.x < fTimeProvider.getNameSpace()) { |
| 2166 | // over the name space |
| 2167 | zoomScroll = false; |
| 2168 | } else { |
| 2169 | zoomScroll = true; |
| 2170 | } |
| 2171 | } |
| 2172 | if (zoomScroll && fTimeProvider.getTime0() != fTimeProvider.getTime1()) { |
| 2173 | if (e.count > 0) { |
| 2174 | zoom(true); |
| 2175 | } else if (e.count < 0) { |
| 2176 | zoom(false); |
| 2177 | } |
| 2178 | } else { |
| 2179 | setTopIndex(getTopIndex() - e.count); |
| 2180 | } |
| 2181 | } |
| 2182 | |
| 2183 | @Override |
| 2184 | public void controlMoved(ControlEvent e) { |
| 2185 | } |
| 2186 | |
| 2187 | @Override |
| 2188 | public void controlResized(ControlEvent e) { |
| 2189 | adjustScrolls(); |
| 2190 | } |
| 2191 | |
| 2192 | @Override |
| 2193 | public void widgetDefaultSelected(SelectionEvent e) { |
| 2194 | } |
| 2195 | |
| 2196 | @Override |
| 2197 | public void widgetSelected(SelectionEvent e) { |
| 2198 | if (e.widget == getVerticalBar()) { |
| 2199 | setTopIndex(getVerticalBar().getSelection()); |
| 2200 | } else if (e.widget == getHorizontalBar() && null != fTimeProvider) { |
| 2201 | int start = getHorizontalBar().getSelection(); |
| 2202 | long time0 = fTimeProvider.getTime0(); |
| 2203 | long time1 = fTimeProvider.getTime1(); |
| 2204 | long timeMin = fTimeProvider.getMinTime(); |
| 2205 | long timeMax = fTimeProvider.getMaxTime(); |
| 2206 | long delta = timeMax - timeMin; |
| 2207 | |
| 2208 | long range = time1 - time0; |
| 2209 | time0 = timeMin + Math.round(delta * ((double) start / H_SCROLLBAR_MAX)); |
| 2210 | time1 = time0 + range; |
| 2211 | |
| 2212 | // TODO: Follow-up with Bug 310310 |
| 2213 | // In Linux SWT.DRAG is the only value received |
| 2214 | // https://bugs.eclipse.org/bugs/show_bug.cgi?id=310310 |
| 2215 | if (e.detail == SWT.DRAG) { |
| 2216 | fTimeProvider.setStartFinishTime(time0, time1); |
| 2217 | } else { |
| 2218 | fTimeProvider.setStartFinishTimeNotify(time0, time1); |
| 2219 | } |
| 2220 | } |
| 2221 | } |
| 2222 | |
| 2223 | @Override |
| 2224 | public int getBorderWidth() { |
| 2225 | return fBorderWidth; |
| 2226 | } |
| 2227 | |
| 2228 | /** |
| 2229 | * Set the border width |
| 2230 | * |
| 2231 | * @param borderWidth |
| 2232 | * The width |
| 2233 | */ |
| 2234 | public void setBorderWidth(int borderWidth) { |
| 2235 | this.fBorderWidth = borderWidth; |
| 2236 | } |
| 2237 | |
| 2238 | /** |
| 2239 | * @return The current height of the header row |
| 2240 | */ |
| 2241 | public int getHeaderHeight() { |
| 2242 | return fHeaderHeight; |
| 2243 | } |
| 2244 | |
| 2245 | /** |
| 2246 | * Set the height of the header row |
| 2247 | * |
| 2248 | * @param headerHeight |
| 2249 | * The height |
| 2250 | */ |
| 2251 | public void setHeaderHeight(int headerHeight) { |
| 2252 | this.fHeaderHeight = headerHeight; |
| 2253 | } |
| 2254 | |
| 2255 | /** |
| 2256 | * @return The default height of regular item rows |
| 2257 | */ |
| 2258 | public int getItemHeight() { |
| 2259 | return fGlobalItemHeight; |
| 2260 | } |
| 2261 | |
| 2262 | /** |
| 2263 | * Set the default height of regular item rows. |
| 2264 | * |
| 2265 | * @param rowHeight |
| 2266 | * The height |
| 2267 | */ |
| 2268 | public void setItemHeight(int rowHeight) { |
| 2269 | this.fGlobalItemHeight = rowHeight; |
| 2270 | } |
| 2271 | |
| 2272 | /** |
| 2273 | * Set the height of a specific item. Overrides the default item height. |
| 2274 | * |
| 2275 | * @param entry |
| 2276 | * A time graph entry |
| 2277 | * @param rowHeight |
| 2278 | * The height |
| 2279 | * @return true if the height is successfully stored, false otherwise |
| 2280 | * |
| 2281 | * @since 2.1 |
| 2282 | */ |
| 2283 | public boolean setItemHeight(ITimeGraphEntry entry, int rowHeight) { |
| 2284 | Item item = fItemData.findItem(entry); |
| 2285 | if (item != null) { |
| 2286 | item.fItemHeight = rowHeight; |
| 2287 | return true; |
| 2288 | } |
| 2289 | return false; |
| 2290 | } |
| 2291 | |
| 2292 | /** |
| 2293 | * Set the minimum item width |
| 2294 | * |
| 2295 | * @param width The minimum width |
| 2296 | */ |
| 2297 | public void setMinimumItemWidth(int width) { |
| 2298 | this.fMinimumItemWidth = width; |
| 2299 | } |
| 2300 | |
| 2301 | /** |
| 2302 | * @return The minimum item width |
| 2303 | */ |
| 2304 | public int getMinimumItemWidth() { |
| 2305 | return fMinimumItemWidth; |
| 2306 | } |
| 2307 | |
| 2308 | /** |
| 2309 | * @return The entries that are currently filtered out |
| 2310 | * |
| 2311 | * @since 2.0 |
| 2312 | */ |
| 2313 | public List<ITimeGraphEntry> getFilteredOut() { |
| 2314 | return fItemData.getFilteredOut(); |
| 2315 | } |
| 2316 | |
| 2317 | @Override |
| 2318 | public void addSelectionChangedListener(ISelectionChangedListener listener) { |
| 2319 | if (listener != null && !fSelectionChangedListeners.contains(listener)) { |
| 2320 | fSelectionChangedListeners.add(listener); |
| 2321 | } |
| 2322 | } |
| 2323 | |
| 2324 | @Override |
| 2325 | public void removeSelectionChangedListener(ISelectionChangedListener listener) { |
| 2326 | if (listener != null) { |
| 2327 | fSelectionChangedListeners.remove(listener); |
| 2328 | } |
| 2329 | } |
| 2330 | |
| 2331 | @Override |
| 2332 | public void setSelection(ISelection selection) { |
| 2333 | if (selection instanceof TimeGraphSelection) { |
| 2334 | TimeGraphSelection sel = (TimeGraphSelection) selection; |
| 2335 | Object ob = sel.getFirstElement(); |
| 2336 | if (ob instanceof ITimeGraphEntry) { |
| 2337 | ITimeGraphEntry trace = (ITimeGraphEntry) ob; |
| 2338 | selectItem(trace, false); |
| 2339 | } |
| 2340 | } |
| 2341 | |
| 2342 | } |
| 2343 | |
| 2344 | /** |
| 2345 | * @param filter The filter object to be attached to the view |
| 2346 | * @since 2.0 |
| 2347 | */ |
| 2348 | public void addFilter(ViewerFilter filter) { |
| 2349 | if (!fFilters.contains(filter)) { |
| 2350 | fFilters.add(filter); |
| 2351 | } |
| 2352 | } |
| 2353 | |
| 2354 | /** |
| 2355 | * @param filter The filter object to be attached to the view |
| 2356 | * @since 2.0 |
| 2357 | */ |
| 2358 | public void removeFilter(ViewerFilter filter) { |
| 2359 | fFilters.remove(filter); |
| 2360 | } |
| 2361 | |
| 2362 | private class ItemData { |
| 2363 | private Item[] fExpandedItems = new Item[0]; |
| 2364 | private Item[] fItems = new Item[0]; |
| 2365 | private ITimeGraphEntry fTraces[] = new ITimeGraphEntry[0]; |
| 2366 | private List<ILinkEvent> fLinks = new ArrayList<ILinkEvent>(); |
| 2367 | private boolean fTraceFilter[] = new boolean[0]; |
| 2368 | private final ArrayList<ITimeGraphEntry> fFilteredOut = new ArrayList<ITimeGraphEntry>(); |
| 2369 | |
| 2370 | public ItemData() { |
| 2371 | } |
| 2372 | |
| 2373 | Item findItem(ITimeGraphEntry entry) { |
| 2374 | if (entry == null) { |
| 2375 | return null; |
| 2376 | } |
| 2377 | |
| 2378 | for (int i = 0; i < fItems.length; i++) { |
| 2379 | Item item = fItems[i]; |
| 2380 | if (item.fTrace == entry) { |
| 2381 | return item; |
| 2382 | } |
| 2383 | } |
| 2384 | |
| 2385 | return null; |
| 2386 | } |
| 2387 | |
| 2388 | int findItemIndex(ITimeGraphEntry trace) { |
| 2389 | if (trace == null) { |
| 2390 | return -1; |
| 2391 | } |
| 2392 | |
| 2393 | for (int i = 0; i < fExpandedItems.length; i++) { |
| 2394 | Item item = fExpandedItems[i]; |
| 2395 | if (item.fTrace == trace) { |
| 2396 | return i; |
| 2397 | } |
| 2398 | } |
| 2399 | |
| 2400 | return -1; |
| 2401 | } |
| 2402 | |
| 2403 | public void refreshData() { |
| 2404 | List<Item> itemList = new ArrayList<Item>(); |
| 2405 | fFilteredOut.clear(); |
| 2406 | ITimeGraphEntry selection = getSelectedTrace(); |
| 2407 | for (int i = 0; i < fTraces.length; i++) { |
| 2408 | ITimeGraphEntry entry = fTraces[i]; |
| 2409 | refreshData(itemList, null, 0, entry); |
| 2410 | } |
| 2411 | fItems = itemList.toArray(new Item[0]); |
| 2412 | updateExpandedItems(); |
| 2413 | if (selection != null) { |
| 2414 | for (Item item : fExpandedItems) { |
| 2415 | if (item.fTrace == selection) { |
| 2416 | item.fSelected = true; |
| 2417 | break; |
| 2418 | } |
| 2419 | } |
| 2420 | } |
| 2421 | } |
| 2422 | |
| 2423 | private void refreshData(List<Item> itemList, Item parent, int level, ITimeGraphEntry entry) { |
| 2424 | Item item = new Item(entry, entry.getName(), level); |
| 2425 | if (parent != null) { |
| 2426 | parent.fChildren.add(item); |
| 2427 | } |
| 2428 | if (fGlobalItemHeight == CUSTOM_ITEM_HEIGHT) { |
| 2429 | item.fItemHeight = fTimeGraphProvider.getItemHeight(entry); |
| 2430 | } else { |
| 2431 | item.fItemHeight = fGlobalItemHeight; |
| 2432 | } |
| 2433 | itemList.add(item); |
| 2434 | if (entry.hasChildren()) { |
| 2435 | item.fExpanded = true; |
| 2436 | item.fHasChildren = true; |
| 2437 | for (ITimeGraphEntry child : entry.getChildren()) { |
| 2438 | refreshData(itemList, item, level + 1, child); |
| 2439 | } |
| 2440 | } |
| 2441 | } |
| 2442 | |
| 2443 | public void updateExpandedItems() { |
| 2444 | List<Item> expandedItemList = new ArrayList<Item>(); |
| 2445 | for (int i = 0; i < fTraces.length; i++) { |
| 2446 | ITimeGraphEntry entry = fTraces[i]; |
| 2447 | Item item = findItem(entry); |
| 2448 | refreshExpanded(expandedItemList, item); |
| 2449 | } |
| 2450 | fExpandedItems = expandedItemList.toArray(new Item[0]); |
| 2451 | } |
| 2452 | |
| 2453 | private void refreshExpanded(List<Item> expandedItemList, Item item) { |
| 2454 | // Check for filters |
| 2455 | boolean display = true; |
| 2456 | for (ViewerFilter filter : fFilters) { |
| 2457 | if (!filter.select(null, item.fTrace.getParent(), item.fTrace)) { |
| 2458 | display = false; |
| 2459 | break; |
| 2460 | } |
| 2461 | } |
| 2462 | if (display) { |
| 2463 | expandedItemList.add(item); |
| 2464 | if (item.fHasChildren && item.fExpanded) { |
| 2465 | for (Item child : item.fChildren) { |
| 2466 | refreshExpanded(expandedItemList, child); |
| 2467 | } |
| 2468 | } |
| 2469 | } |
| 2470 | } |
| 2471 | |
| 2472 | public void refreshData(ITimeGraphEntry traces[]) { |
| 2473 | if (traces == null) { |
| 2474 | fTraceFilter = null; |
| 2475 | fTraces = null; |
| 2476 | } else { |
| 2477 | if (traces.length == 0) { |
| 2478 | fTraceFilter = null; |
| 2479 | } else if (fTraceFilter == null || traces.length != fTraceFilter.length) { |
| 2480 | fTraceFilter = new boolean[traces.length]; |
| 2481 | java.util.Arrays.fill(fTraceFilter, true); |
| 2482 | } |
| 2483 | fTraces = Arrays.copyOf(traces, traces.length); |
| 2484 | } |
| 2485 | |
| 2486 | refreshData(); |
| 2487 | } |
| 2488 | |
| 2489 | public void refreshArrows(List<ILinkEvent> events) { |
| 2490 | /* If links are null, reset the list */ |
| 2491 | if (events != null) { |
| 2492 | fLinks = events; |
| 2493 | } else { |
| 2494 | fLinks = new ArrayList<ILinkEvent>(); |
| 2495 | } |
| 2496 | } |
| 2497 | |
| 2498 | public ITimeGraphEntry[] getTraces() { |
| 2499 | return fTraces; |
| 2500 | } |
| 2501 | |
| 2502 | public boolean[] getTraceFilter() { |
| 2503 | return fTraceFilter; |
| 2504 | } |
| 2505 | |
| 2506 | public List<ITimeGraphEntry> getFilteredOut() { |
| 2507 | return fFilteredOut; |
| 2508 | } |
| 2509 | } |
| 2510 | |
| 2511 | private class Item { |
| 2512 | private boolean fExpanded; |
| 2513 | private boolean fSelected; |
| 2514 | private boolean fHasChildren; |
| 2515 | private int fItemHeight; |
| 2516 | private int fLevel; |
| 2517 | private List<Item> fChildren; |
| 2518 | private String fName; |
| 2519 | private ITimeGraphEntry fTrace; |
| 2520 | |
| 2521 | public Item(ITimeGraphEntry trace, String name, int level) { |
| 2522 | this.fTrace = trace; |
| 2523 | this.fName = name; |
| 2524 | this.fLevel = level; |
| 2525 | this.fChildren = new ArrayList<Item>(); |
| 2526 | } |
| 2527 | |
| 2528 | @Override |
| 2529 | public String toString() { |
| 2530 | return fName; |
| 2531 | } |
| 2532 | } |
| 2533 | |
| 2534 | /** |
| 2535 | * @since 1.2 |
| 2536 | */ |
| 2537 | @Override |
| 2538 | public void menuDetected(MenuDetectEvent e) { |
| 2539 | if (null == fTimeProvider) { |
| 2540 | return; |
| 2541 | } |
| 2542 | if (e.detail == SWT.MENU_MOUSE) { |
| 2543 | if (fPendingMenuDetectEvent == null) { |
| 2544 | /* Feature in Linux. The MenuDetectEvent is received before mouseDown. |
| 2545 | * Store the event and trigger it later just before handling mouseUp. |
| 2546 | * This allows for the method to detect if mouse is used to drag zoom. |
| 2547 | */ |
| 2548 | fPendingMenuDetectEvent = e; |
| 2549 | return; |
| 2550 | } |
| 2551 | fPendingMenuDetectEvent = null; |
| 2552 | if (fDragState != DRAG_ZOOM || fDragX != fDragX0) { |
| 2553 | return; |
| 2554 | } |
| 2555 | } else { |
| 2556 | if (fDragState != DRAG_NONE) { |
| 2557 | return; |
| 2558 | } |
| 2559 | } |
| 2560 | Point p = toControl(e.x, e.y); |
| 2561 | int idx = getItemIndexAtY(p.y); |
| 2562 | if (idx >= 0 && idx < fItemData.fExpandedItems.length) { |
| 2563 | Item item = fItemData.fExpandedItems[idx]; |
| 2564 | ITimeGraphEntry entry = item.fTrace; |
| 2565 | if (entry.hasTimeEvents()) { |
| 2566 | ITimeEvent event = Utils.findEvent(entry, getTimeAtX(p.x), 2); |
| 2567 | if (event != null) { |
| 2568 | e.data = event; |
| 2569 | fireMenuEventOnTimeEvent(e); |
| 2570 | return; |
| 2571 | } |
| 2572 | } |
| 2573 | e.data = entry; |
| 2574 | fireMenuEventOnTimeGraphEntry(e); |
| 2575 | } |
| 2576 | } |
| 2577 | |
| 2578 | } |
| 2579 | |
| 2580 | |