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837a2f8c | 1 | /******************************************************************************* |
4c9c0c87 | 2 | * Copyright (c) 2012, 2014 Ericsson, others |
837a2f8c PT |
3 | * |
4 | * All rights reserved. This program and the accompanying materials are | |
5 | * made available under the terms of the Eclipse Public License v1.0 which | |
6 | * accompanies this distribution, and is available at | |
7 | * http://www.eclipse.org/legal/epl-v10.html | |
8 | * | |
9 | * Contributors: | |
10 | * Patrick Tasse - Initial API and implementation | |
f8840316 | 11 | * François Rajotte - Filter implementation |
bec1f1ac | 12 | * Geneviève Bastien - Add event links between entries |
837a2f8c PT |
13 | *******************************************************************************/ |
14 | ||
2bdf0193 | 15 | package org.eclipse.tracecompass.tmf.ui.widgets.timegraph; |
837a2f8c PT |
16 | |
17 | import java.util.ArrayList; | |
18 | import java.util.Arrays; | |
19 | import java.util.HashMap; | |
70e10acc | 20 | import java.util.HashSet; |
6ac5a950 AM |
21 | import java.util.List; |
22 | import java.util.Map; | |
70e10acc | 23 | import java.util.Set; |
837a2f8c | 24 | |
dfa0ef96 | 25 | import org.eclipse.jdt.annotation.NonNull; |
6ac5a950 | 26 | import org.eclipse.jface.action.Action; |
4c9c0c87 | 27 | import org.eclipse.jface.viewers.AbstractTreeViewer; |
837a2f8c PT |
28 | import org.eclipse.jface.viewers.ILabelProviderListener; |
29 | import org.eclipse.jface.viewers.ISelectionChangedListener; | |
30 | import org.eclipse.jface.viewers.IStructuredSelection; | |
31 | import org.eclipse.jface.viewers.ITableLabelProvider; | |
32 | import org.eclipse.jface.viewers.ITreeContentProvider; | |
33 | import org.eclipse.jface.viewers.ITreeViewerListener; | |
34 | import org.eclipse.jface.viewers.SelectionChangedEvent; | |
35 | import org.eclipse.jface.viewers.StructuredSelection; | |
36 | import org.eclipse.jface.viewers.TreeExpansionEvent; | |
37 | import org.eclipse.jface.viewers.TreeViewer; | |
38 | import org.eclipse.jface.viewers.Viewer; | |
6ac5a950 | 39 | import org.eclipse.jface.viewers.ViewerFilter; |
837a2f8c PT |
40 | import org.eclipse.swt.SWT; |
41 | import org.eclipse.swt.custom.SashForm; | |
42 | import org.eclipse.swt.events.ControlAdapter; | |
43 | import org.eclipse.swt.events.ControlEvent; | |
44 | import org.eclipse.swt.events.MouseEvent; | |
45 | import org.eclipse.swt.events.MouseTrackAdapter; | |
46 | import org.eclipse.swt.events.MouseWheelListener; | |
47 | import org.eclipse.swt.events.PaintEvent; | |
48 | import org.eclipse.swt.events.PaintListener; | |
49 | import org.eclipse.swt.events.SelectionAdapter; | |
50 | import org.eclipse.swt.events.SelectionEvent; | |
51 | import org.eclipse.swt.graphics.Image; | |
52 | import org.eclipse.swt.graphics.Point; | |
588dff10 | 53 | import org.eclipse.swt.graphics.Rectangle; |
837a2f8c PT |
54 | import org.eclipse.swt.layout.FillLayout; |
55 | import org.eclipse.swt.widgets.Composite; | |
56 | import org.eclipse.swt.widgets.Display; | |
57 | import org.eclipse.swt.widgets.Event; | |
58 | import org.eclipse.swt.widgets.Listener; | |
59 | import org.eclipse.swt.widgets.Slider; | |
60 | import org.eclipse.swt.widgets.Tree; | |
61 | import org.eclipse.swt.widgets.TreeColumn; | |
62 | import org.eclipse.swt.widgets.TreeItem; | |
2bdf0193 AM |
63 | import org.eclipse.tracecompass.internal.tmf.ui.Activator; |
64 | import org.eclipse.tracecompass.internal.tmf.ui.ITmfImageConstants; | |
65 | import org.eclipse.tracecompass.internal.tmf.ui.Messages; | |
66 | import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.dialogs.TimeGraphFilterDialog; | |
67 | import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.ILinkEvent; | |
68 | import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.ITimeGraphEntry; | |
837a2f8c PT |
69 | |
70 | /** | |
71 | * Time graph "combo" view (with the list/tree on the left and the gantt chart | |
72 | * on the right) | |
73 | * | |
74 | * @version 1.0 | |
75 | * @author Patrick Tasse | |
76 | */ | |
77 | public class TimeGraphCombo extends Composite { | |
78 | ||
79 | // ------------------------------------------------------------------------ | |
80 | // Constants | |
81 | // ------------------------------------------------------------------------ | |
82 | ||
f4617471 PT |
83 | /** Constant indicating that all levels of the time graph should be expanded |
84 | * @since 3.1 */ | |
85 | public static final int ALL_LEVELS = AbstractTreeViewer.ALL_LEVELS; | |
86 | ||
837a2f8c PT |
87 | private static final Object FILLER = new Object(); |
88 | ||
c004295c PT |
89 | private static final String ITEM_HEIGHT = "$height$"; //$NON-NLS-1$ |
90 | ||
837a2f8c PT |
91 | // ------------------------------------------------------------------------ |
92 | // Fields | |
93 | // ------------------------------------------------------------------------ | |
94 | ||
4999a196 | 95 | /** The tree viewer */ |
837a2f8c PT |
96 | private TreeViewer fTreeViewer; |
97 | ||
4999a196 | 98 | /** The time viewer */ |
dfa0ef96 | 99 | private @NonNull TimeGraphViewer fTimeGraphViewer; |
837a2f8c | 100 | |
4999a196 | 101 | /** The selection listener map */ |
507b1336 | 102 | private final Map<ITimeGraphSelectionListener, SelectionListenerWrapper> fSelectionListenerMap = new HashMap<>(); |
837a2f8c | 103 | |
4999a196 | 104 | /** The map of viewer filters */ |
507b1336 | 105 | private final Map<ViewerFilter, ViewerFilter> fViewerFilterMap = new HashMap<>(); |
6ac5a950 | 106 | |
4999a196 GB |
107 | /** |
108 | * Flag to block the tree selection changed listener when triggered by the | |
109 | * time graph combo | |
110 | */ | |
837a2f8c PT |
111 | private boolean fInhibitTreeSelection = false; |
112 | ||
4999a196 | 113 | /** Number of filler rows used by the tree content provider */ |
837a2f8c PT |
114 | private int fNumFillerRows; |
115 | ||
4999a196 | 116 | /** Calculated item height for Linux workaround */ |
837a2f8c PT |
117 | private int fLinuxItemHeight = 0; |
118 | ||
4999a196 | 119 | /** The button that opens the filter dialog */ |
6ac5a950 AM |
120 | private Action showFilterAction; |
121 | ||
4999a196 | 122 | /** The filter dialog */ |
6ac5a950 AM |
123 | private TimeGraphFilterDialog fFilterDialog; |
124 | ||
4999a196 | 125 | /** The filter generated from the filter dialog */ |
6ac5a950 AM |
126 | private RawViewerFilter fFilter; |
127 | ||
4999a196 GB |
128 | /** Default weight of each part of the sash */ |
129 | private static final int[] DEFAULT_WEIGHTS = { 1, 1 }; | |
130 | ||
588dff10 PT |
131 | /** List of all expanded items whose parents are also expanded */ |
132 | private List<TreeItem> fVisibleExpandedItems = null; | |
133 | ||
837a2f8c PT |
134 | // ------------------------------------------------------------------------ |
135 | // Classes | |
136 | // ------------------------------------------------------------------------ | |
137 | ||
138 | /** | |
139 | * The TreeContentProviderWrapper is used to insert filler items after | |
140 | * the elements of the tree's real content provider. | |
141 | */ | |
142 | private class TreeContentProviderWrapper implements ITreeContentProvider { | |
143 | private final ITreeContentProvider contentProvider; | |
144 | ||
145 | public TreeContentProviderWrapper(ITreeContentProvider contentProvider) { | |
146 | this.contentProvider = contentProvider; | |
147 | } | |
148 | ||
149 | @Override | |
150 | public void dispose() { | |
151 | contentProvider.dispose(); | |
152 | } | |
153 | ||
154 | @Override | |
155 | public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { | |
156 | contentProvider.inputChanged(viewer, oldInput, newInput); | |
157 | } | |
158 | ||
159 | @Override | |
160 | public Object[] getElements(Object inputElement) { | |
161 | Object[] elements = contentProvider.getElements(inputElement); | |
162 | // add filler elements to ensure alignment with time analysis viewer | |
f1fae91f | 163 | Object[] oElements = Arrays.copyOf(elements, elements.length + fNumFillerRows, Object[].class); |
837a2f8c PT |
164 | for (int i = 0; i < fNumFillerRows; i++) { |
165 | oElements[elements.length + i] = FILLER; | |
166 | } | |
167 | return oElements; | |
168 | } | |
169 | ||
170 | @Override | |
171 | public Object[] getChildren(Object parentElement) { | |
172 | if (parentElement instanceof ITimeGraphEntry) { | |
173 | return contentProvider.getChildren(parentElement); | |
174 | } | |
175 | return new Object[0]; | |
176 | } | |
177 | ||
178 | @Override | |
179 | public Object getParent(Object element) { | |
180 | if (element instanceof ITimeGraphEntry) { | |
181 | return contentProvider.getParent(element); | |
182 | } | |
183 | return null; | |
184 | } | |
185 | ||
186 | @Override | |
187 | public boolean hasChildren(Object element) { | |
188 | if (element instanceof ITimeGraphEntry) { | |
189 | return contentProvider.hasChildren(element); | |
190 | } | |
191 | return false; | |
192 | } | |
193 | } | |
194 | ||
195 | /** | |
196 | * The TreeLabelProviderWrapper is used to intercept the filler items | |
197 | * from the calls to the tree's real label provider. | |
198 | */ | |
199 | private class TreeLabelProviderWrapper implements ITableLabelProvider { | |
200 | private final ITableLabelProvider labelProvider; | |
201 | ||
202 | public TreeLabelProviderWrapper(ITableLabelProvider labelProvider) { | |
203 | this.labelProvider = labelProvider; | |
204 | } | |
205 | ||
206 | @Override | |
207 | public void addListener(ILabelProviderListener listener) { | |
208 | labelProvider.addListener(listener); | |
209 | } | |
210 | ||
211 | @Override | |
212 | public void dispose() { | |
213 | labelProvider.dispose(); | |
214 | } | |
215 | ||
216 | @Override | |
217 | public boolean isLabelProperty(Object element, String property) { | |
218 | if (element instanceof ITimeGraphEntry) { | |
219 | return labelProvider.isLabelProperty(element, property); | |
220 | } | |
221 | return false; | |
222 | } | |
223 | ||
224 | @Override | |
225 | public void removeListener(ILabelProviderListener listener) { | |
226 | labelProvider.removeListener(listener); | |
227 | } | |
228 | ||
229 | @Override | |
230 | public Image getColumnImage(Object element, int columnIndex) { | |
231 | if (element instanceof ITimeGraphEntry) { | |
232 | return labelProvider.getColumnImage(element, columnIndex); | |
233 | } | |
234 | return null; | |
235 | } | |
236 | ||
237 | @Override | |
238 | public String getColumnText(Object element, int columnIndex) { | |
239 | if (element instanceof ITimeGraphEntry) { | |
240 | return labelProvider.getColumnText(element, columnIndex); | |
241 | } | |
242 | return null; | |
243 | } | |
244 | ||
245 | } | |
246 | ||
247 | /** | |
248 | * The SelectionListenerWrapper is used to intercept the filler items from | |
249 | * the time graph combo's real selection listener, and to prevent double | |
250 | * notifications from being sent when selection changes in both tree and | |
251 | * time graph at the same time. | |
252 | */ | |
253 | private class SelectionListenerWrapper implements ISelectionChangedListener, ITimeGraphSelectionListener { | |
254 | private final ITimeGraphSelectionListener listener; | |
255 | private ITimeGraphEntry selection = null; | |
256 | ||
257 | public SelectionListenerWrapper(ITimeGraphSelectionListener listener) { | |
258 | this.listener = listener; | |
259 | } | |
260 | ||
261 | @Override | |
262 | public void selectionChanged(SelectionChangedEvent event) { | |
263 | if (fInhibitTreeSelection) { | |
264 | return; | |
265 | } | |
266 | Object element = ((IStructuredSelection) event.getSelection()).getFirstElement(); | |
267 | if (element instanceof ITimeGraphEntry) { | |
268 | ITimeGraphEntry entry = (ITimeGraphEntry) element; | |
269 | if (entry != selection) { | |
270 | selection = entry; | |
271 | listener.selectionChanged(new TimeGraphSelectionEvent(event.getSource(), selection)); | |
272 | } | |
273 | } | |
274 | } | |
275 | ||
276 | @Override | |
277 | public void selectionChanged(TimeGraphSelectionEvent event) { | |
278 | ITimeGraphEntry entry = event.getSelection(); | |
279 | if (entry != selection) { | |
280 | selection = entry; | |
281 | listener.selectionChanged(new TimeGraphSelectionEvent(event.getSource(), selection)); | |
282 | } | |
283 | } | |
284 | } | |
285 | ||
6ac5a950 AM |
286 | /** |
287 | * The ViewerFilterWrapper is used to intercept the filler items from | |
288 | * the time graph combo's real ViewerFilters. These filler items should | |
289 | * always be visible. | |
290 | */ | |
291 | private class ViewerFilterWrapper extends ViewerFilter { | |
292 | ||
f1fae91f | 293 | private ViewerFilter fWrappedFilter; |
6ac5a950 AM |
294 | |
295 | ViewerFilterWrapper(ViewerFilter filter) { | |
296 | super(); | |
297 | this.fWrappedFilter = filter; | |
298 | } | |
299 | ||
300 | @Override | |
301 | public boolean select(Viewer viewer, Object parentElement, Object element) { | |
302 | if (element instanceof ITimeGraphEntry) { | |
303 | return fWrappedFilter.select(viewer, parentElement, element); | |
304 | } | |
305 | return true; | |
306 | } | |
307 | ||
308 | } | |
309 | ||
310 | /** | |
f8840316 FR |
311 | * This filter simply keeps a list of elements that should be filtered out. |
312 | * All the other elements will be shown. | |
8f28f9d8 | 313 | * By default and when the list is set to null, all elements are shown. |
6ac5a950 AM |
314 | */ |
315 | private class RawViewerFilter extends ViewerFilter { | |
316 | ||
f8840316 | 317 | private List<Object> fFiltered = null; |
6ac5a950 | 318 | |
f8840316 FR |
319 | public void setFiltered(List<Object> objects) { |
320 | fFiltered = objects; | |
6ac5a950 AM |
321 | } |
322 | ||
f8840316 FR |
323 | public List<Object> getFiltered() { |
324 | return fFiltered; | |
6ac5a950 AM |
325 | } |
326 | ||
327 | @Override | |
328 | public boolean select(Viewer viewer, Object parentElement, Object element) { | |
f8840316 | 329 | if (fFiltered == null) { |
8f28f9d8 PT |
330 | return true; |
331 | } | |
f8840316 | 332 | return !fFiltered.contains(element); |
6ac5a950 AM |
333 | } |
334 | } | |
335 | ||
837a2f8c PT |
336 | // ------------------------------------------------------------------------ |
337 | // Constructors | |
338 | // ------------------------------------------------------------------------ | |
339 | ||
340 | /** | |
341 | * Constructs a new instance of this class given its parent | |
342 | * and a style value describing its behavior and appearance. | |
343 | * | |
344 | * @param parent a widget which will be the parent of the new instance (cannot be null) | |
345 | * @param style the style of widget to construct | |
346 | */ | |
347 | public TimeGraphCombo(Composite parent, int style) { | |
4999a196 GB |
348 | this(parent, style, DEFAULT_WEIGHTS); |
349 | } | |
350 | ||
351 | /** | |
352 | * Constructs a new instance of this class given its parent and a style | |
353 | * value describing its behavior and appearance. | |
354 | * | |
355 | * @param parent | |
356 | * a widget which will be the parent of the new instance (cannot | |
357 | * be null) | |
358 | * @param style | |
359 | * the style of widget to construct | |
360 | * @param weights | |
361 | * The relative weights of each side of the sash form | |
362 | * @since 2.1 | |
363 | */ | |
364 | public TimeGraphCombo(Composite parent, int style, int[] weights) { | |
837a2f8c PT |
365 | super(parent, style); |
366 | setLayout(new FillLayout()); | |
367 | ||
368 | final SashForm sash = new SashForm(this, SWT.NONE); | |
369 | ||
370 | fTreeViewer = new TreeViewer(sash, SWT.FULL_SELECTION | SWT.H_SCROLL); | |
4c9c0c87 | 371 | fTreeViewer.setAutoExpandLevel(AbstractTreeViewer.ALL_LEVELS); |
837a2f8c PT |
372 | final Tree tree = fTreeViewer.getTree(); |
373 | tree.setHeaderVisible(true); | |
374 | tree.setLinesVisible(true); | |
375 | ||
376 | fTimeGraphViewer = new TimeGraphViewer(sash, SWT.NONE); | |
377 | fTimeGraphViewer.setItemHeight(getItemHeight(tree)); | |
378 | fTimeGraphViewer.setHeaderHeight(tree.getHeaderHeight()); | |
379 | fTimeGraphViewer.setBorderWidth(tree.getBorderWidth()); | |
380 | fTimeGraphViewer.setNameWidthPref(0); | |
381 | ||
6ac5a950 AM |
382 | fFilter = new RawViewerFilter(); |
383 | addFilter(fFilter); | |
384 | ||
385 | fFilterDialog = new TimeGraphFilterDialog(getShell()); | |
386 | ||
837a2f8c PT |
387 | // Feature in Windows. The tree vertical bar reappears when |
388 | // the control is resized so we need to hide it again. | |
389 | // Bug in Linux. The tree header height is 0 in constructor, | |
390 | // so we need to reset it later when the control is resized. | |
391 | tree.addControlListener(new ControlAdapter() { | |
f1fae91f | 392 | private int depth = 0; |
837a2f8c PT |
393 | @Override |
394 | public void controlResized(ControlEvent e) { | |
395 | if (depth == 0) { | |
396 | depth++; | |
397 | tree.getVerticalBar().setEnabled(false); | |
398 | // this can trigger controlResized recursively | |
399 | tree.getVerticalBar().setVisible(false); | |
400 | depth--; | |
401 | } | |
402 | fTimeGraphViewer.setHeaderHeight(tree.getHeaderHeight()); | |
403 | } | |
404 | }); | |
405 | ||
406 | // ensure synchronization of expanded items between tree and time graph | |
407 | fTreeViewer.addTreeListener(new ITreeViewerListener() { | |
408 | @Override | |
409 | public void treeCollapsed(TreeExpansionEvent event) { | |
410 | fTimeGraphViewer.setExpandedState((ITimeGraphEntry) event.getElement(), false); | |
588dff10 PT |
411 | // queue the alignment update because the tree items may only be |
412 | // actually collapsed after the listeners have been notified | |
413 | fVisibleExpandedItems = null; // invalidate the cache | |
414 | getDisplay().asyncExec(new Runnable() { | |
415 | @Override | |
416 | public void run() { | |
417 | alignTreeItems(true); | |
418 | }}); | |
837a2f8c PT |
419 | } |
420 | ||
421 | @Override | |
422 | public void treeExpanded(TreeExpansionEvent event) { | |
e7708b02 PT |
423 | ITimeGraphEntry entry = (ITimeGraphEntry) event.getElement(); |
424 | fTimeGraphViewer.setExpandedState(entry, true); | |
70e10acc | 425 | Set<Object> expandedElements = new HashSet<>(Arrays.asList(fTreeViewer.getExpandedElements())); |
e7708b02 | 426 | for (ITimeGraphEntry child : entry.getChildren()) { |
70e10acc PT |
427 | if (child.hasChildren()) { |
428 | boolean expanded = expandedElements.contains(child); | |
429 | fTimeGraphViewer.setExpandedState(child, expanded); | |
430 | } | |
e7708b02 | 431 | } |
588dff10 PT |
432 | // queue the alignment update because the tree items may only be |
433 | // actually expanded after the listeners have been notified | |
434 | fVisibleExpandedItems = null; // invalidate the cache | |
837a2f8c PT |
435 | getDisplay().asyncExec(new Runnable() { |
436 | @Override | |
437 | public void run() { | |
588dff10 | 438 | alignTreeItems(true); |
837a2f8c PT |
439 | }}); |
440 | } | |
441 | }); | |
442 | ||
443 | // ensure synchronization of expanded items between tree and time graph | |
444 | fTimeGraphViewer.addTreeListener(new ITimeGraphTreeListener() { | |
445 | @Override | |
446 | public void treeCollapsed(TimeGraphTreeExpansionEvent event) { | |
447 | fTreeViewer.setExpandedState(event.getEntry(), false); | |
588dff10 | 448 | alignTreeItems(true); |
837a2f8c PT |
449 | } |
450 | ||
451 | @Override | |
452 | public void treeExpanded(TimeGraphTreeExpansionEvent event) { | |
e7708b02 PT |
453 | ITimeGraphEntry entry = event.getEntry(); |
454 | fTreeViewer.setExpandedState(entry, true); | |
70e10acc | 455 | Set<Object> expandedElements = new HashSet<>(Arrays.asList(fTreeViewer.getExpandedElements())); |
e7708b02 | 456 | for (ITimeGraphEntry child : entry.getChildren()) { |
70e10acc PT |
457 | if (child.hasChildren()) { |
458 | boolean expanded = expandedElements.contains(child); | |
459 | fTimeGraphViewer.setExpandedState(child, expanded); | |
460 | } | |
e7708b02 | 461 | } |
588dff10 | 462 | alignTreeItems(true); |
837a2f8c PT |
463 | } |
464 | }); | |
465 | ||
466 | // prevent mouse button from selecting a filler tree item | |
467 | tree.addListener(SWT.MouseDown, new Listener() { | |
468 | @Override | |
469 | public void handleEvent(Event event) { | |
470 | TreeItem treeItem = tree.getItem(new Point(event.x, event.y)); | |
471 | if (treeItem == null || treeItem.getData() == FILLER) { | |
472 | event.doit = false; | |
588dff10 | 473 | List<TreeItem> treeItems = getVisibleExpandedItems(tree, false); |
837a2f8c PT |
474 | if (treeItems.size() == 0) { |
475 | fTreeViewer.setSelection(new StructuredSelection()); | |
476 | fTimeGraphViewer.setSelection(null); | |
477 | return; | |
478 | } | |
479 | // this prevents from scrolling up when selecting | |
480 | // the partially visible tree item at the bottom | |
481 | tree.select(treeItems.get(treeItems.size() - 1)); | |
482 | fTreeViewer.setSelection(new StructuredSelection()); | |
483 | fTimeGraphViewer.setSelection(null); | |
484 | } | |
485 | } | |
486 | }); | |
487 | ||
488 | // prevent mouse wheel from scrolling down into filler tree items | |
489 | tree.addListener(SWT.MouseWheel, new Listener() { | |
490 | @Override | |
491 | public void handleEvent(Event event) { | |
492 | event.doit = false; | |
493 | Slider scrollBar = fTimeGraphViewer.getVerticalBar(); | |
494 | fTimeGraphViewer.setTopIndex(scrollBar.getSelection() - event.count); | |
588dff10 | 495 | alignTreeItems(false); |
837a2f8c PT |
496 | } |
497 | }); | |
498 | ||
499 | // prevent key stroke from selecting a filler tree item | |
500 | tree.addListener(SWT.KeyDown, new Listener() { | |
501 | @Override | |
502 | public void handleEvent(Event event) { | |
588dff10 | 503 | List<TreeItem> treeItems = getVisibleExpandedItems(tree, false); |
837a2f8c PT |
504 | if (treeItems.size() == 0) { |
505 | fTreeViewer.setSelection(new StructuredSelection()); | |
506 | event.doit = false; | |
507 | return; | |
508 | } | |
509 | if (event.keyCode == SWT.ARROW_DOWN) { | |
510 | int index = Math.min(fTimeGraphViewer.getSelectionIndex() + 1, treeItems.size() - 1); | |
511 | fTimeGraphViewer.setSelection((ITimeGraphEntry) treeItems.get(index).getData()); | |
512 | event.doit = false; | |
513 | } else if (event.keyCode == SWT.PAGE_DOWN) { | |
514 | int height = tree.getSize().y - tree.getHeaderHeight() - tree.getHorizontalBar().getSize().y; | |
515 | int countPerPage = height / getItemHeight(tree); | |
516 | int index = Math.min(fTimeGraphViewer.getSelectionIndex() + countPerPage - 1, treeItems.size() - 1); | |
517 | fTimeGraphViewer.setSelection((ITimeGraphEntry) treeItems.get(index).getData()); | |
518 | event.doit = false; | |
519 | } else if (event.keyCode == SWT.END) { | |
520 | fTimeGraphViewer.setSelection((ITimeGraphEntry) treeItems.get(treeItems.size() - 1).getData()); | |
521 | event.doit = false; | |
522 | } | |
837a2f8c PT |
523 | if (fTimeGraphViewer.getSelectionIndex() >= 0) { |
524 | fTreeViewer.setSelection(new StructuredSelection(fTimeGraphViewer.getSelection())); | |
525 | } else { | |
526 | fTreeViewer.setSelection(new StructuredSelection()); | |
527 | } | |
588dff10 | 528 | alignTreeItems(false); |
837a2f8c PT |
529 | } |
530 | }); | |
531 | ||
532 | // ensure alignment of top item between tree and time graph | |
533 | fTimeGraphViewer.getTimeGraphControl().addControlListener(new ControlAdapter() { | |
534 | @Override | |
535 | public void controlResized(ControlEvent e) { | |
588dff10 | 536 | alignTreeItems(false); |
837a2f8c PT |
537 | } |
538 | }); | |
539 | ||
540 | // ensure synchronization of selected item between tree and time graph | |
541 | fTreeViewer.addSelectionChangedListener(new ISelectionChangedListener() { | |
542 | @Override | |
543 | public void selectionChanged(SelectionChangedEvent event) { | |
544 | if (fInhibitTreeSelection) { | |
545 | return; | |
546 | } | |
547 | if (event.getSelection() instanceof IStructuredSelection) { | |
548 | Object selection = ((IStructuredSelection) event.getSelection()).getFirstElement(); | |
549 | if (selection instanceof ITimeGraphEntry) { | |
550 | fTimeGraphViewer.setSelection((ITimeGraphEntry) selection); | |
551 | } | |
588dff10 | 552 | alignTreeItems(false); |
837a2f8c PT |
553 | } |
554 | } | |
555 | }); | |
556 | ||
557 | // ensure synchronization of selected item between tree and time graph | |
558 | fTimeGraphViewer.addSelectionListener(new ITimeGraphSelectionListener() { | |
559 | @Override | |
560 | public void selectionChanged(TimeGraphSelectionEvent event) { | |
561 | ITimeGraphEntry entry = fTimeGraphViewer.getSelection(); | |
562 | fInhibitTreeSelection = true; // block the tree selection changed listener | |
563 | if (entry != null) { | |
564 | StructuredSelection selection = new StructuredSelection(entry); | |
565 | fTreeViewer.setSelection(selection); | |
566 | } else { | |
567 | fTreeViewer.setSelection(new StructuredSelection()); | |
568 | } | |
569 | fInhibitTreeSelection = false; | |
588dff10 | 570 | alignTreeItems(false); |
837a2f8c PT |
571 | } |
572 | }); | |
573 | ||
574 | // ensure alignment of top item between tree and time graph | |
575 | fTimeGraphViewer.getVerticalBar().addSelectionListener(new SelectionAdapter() { | |
576 | @Override | |
577 | public void widgetSelected(SelectionEvent e) { | |
588dff10 | 578 | alignTreeItems(false); |
837a2f8c PT |
579 | } |
580 | }); | |
581 | ||
582 | // ensure alignment of top item between tree and time graph | |
583 | fTimeGraphViewer.getTimeGraphControl().addMouseWheelListener(new MouseWheelListener() { | |
584 | @Override | |
585 | public void mouseScrolled(MouseEvent e) { | |
588dff10 | 586 | alignTreeItems(false); |
837a2f8c PT |
587 | } |
588 | }); | |
589 | ||
590 | // ensure the tree has focus control when mouse is over it if the time graph had control | |
591 | fTreeViewer.getControl().addMouseTrackListener(new MouseTrackAdapter() { | |
592 | @Override | |
593 | public void mouseEnter(MouseEvent e) { | |
594 | if (fTimeGraphViewer.getTimeGraphControl().isFocusControl()) { | |
595 | fTreeViewer.getControl().setFocus(); | |
596 | } | |
597 | } | |
598 | }); | |
599 | ||
600 | // ensure the time graph has focus control when mouse is over it if the tree had control | |
601 | fTimeGraphViewer.getTimeGraphControl().addMouseTrackListener(new MouseTrackAdapter() { | |
602 | @Override | |
603 | public void mouseEnter(MouseEvent e) { | |
604 | if (fTreeViewer.getControl().isFocusControl()) { | |
605 | fTimeGraphViewer.getTimeGraphControl().setFocus(); | |
606 | } | |
607 | } | |
608 | }); | |
609 | fTimeGraphViewer.getTimeGraphScale().addMouseTrackListener(new MouseTrackAdapter() { | |
610 | @Override | |
611 | public void mouseEnter(MouseEvent e) { | |
612 | if (fTreeViewer.getControl().isFocusControl()) { | |
613 | fTimeGraphViewer.getTimeGraphControl().setFocus(); | |
614 | } | |
615 | } | |
616 | }); | |
617 | ||
618 | // The filler rows are required to ensure alignment when the tree does not have a | |
619 | // visible horizontal scroll bar. The tree does not allow its top item to be set | |
620 | // to a value that would cause blank space to be drawn at the bottom of the tree. | |
621 | fNumFillerRows = Display.getDefault().getBounds().height / getItemHeight(tree); | |
622 | ||
4999a196 | 623 | sash.setWeights(weights); |
837a2f8c PT |
624 | } |
625 | ||
626 | // ------------------------------------------------------------------------ | |
627 | // Accessors | |
628 | // ------------------------------------------------------------------------ | |
629 | ||
630 | /** | |
631 | * Returns this time graph combo's tree viewer. | |
632 | * | |
633 | * @return the tree viewer | |
634 | */ | |
635 | public TreeViewer getTreeViewer() { | |
636 | return fTreeViewer; | |
637 | } | |
638 | ||
639 | /** | |
640 | * Returns this time graph combo's time graph viewer. | |
641 | * | |
642 | * @return the time graph viewer | |
643 | */ | |
dfa0ef96 | 644 | public @NonNull TimeGraphViewer getTimeGraphViewer() { |
837a2f8c PT |
645 | return fTimeGraphViewer; |
646 | } | |
647 | ||
6ac5a950 AM |
648 | /** |
649 | * Callback for the show filter action | |
650 | * | |
651 | * @since 2.0 | |
652 | */ | |
653 | public void showFilterDialog() { | |
4c9c0c87 PT |
654 | ITimeGraphEntry[] topInput = fTimeGraphViewer.getTimeGraphContentProvider().getElements(fTimeGraphViewer.getInput()); |
655 | if (topInput != null) { | |
656 | List<? extends ITimeGraphEntry> allElements = listAllInputs(Arrays.asList(topInput)); | |
657 | fFilterDialog.setInput(fTimeGraphViewer.getInput()); | |
6ac5a950 AM |
658 | fFilterDialog.setTitle(Messages.TmfTimeFilterDialog_WINDOW_TITLE); |
659 | fFilterDialog.setMessage(Messages.TmfTimeFilterDialog_MESSAGE); | |
8f28f9d8 | 660 | fFilterDialog.setExpandedElements(allElements.toArray()); |
f8840316 | 661 | if (fFilter.getFiltered() != null) { |
507b1336 | 662 | ArrayList<? extends ITimeGraphEntry> nonFilteredElements = new ArrayList<>(allElements); |
f8840316 FR |
663 | nonFilteredElements.removeAll(fFilter.getFiltered()); |
664 | fFilterDialog.setInitialElementSelections(nonFilteredElements); | |
8f28f9d8 PT |
665 | } else { |
666 | fFilterDialog.setInitialElementSelections(allElements); | |
667 | } | |
6ac5a950 AM |
668 | fFilterDialog.create(); |
669 | fFilterDialog.open(); | |
670 | // Process selected elements | |
671 | if (fFilterDialog.getResult() != null) { | |
672 | fInhibitTreeSelection = true; | |
8f28f9d8 | 673 | if (fFilterDialog.getResult().length != allElements.size()) { |
f8840316 FR |
674 | ArrayList<Object> filteredElements = new ArrayList<Object>(allElements); |
675 | filteredElements.removeAll(Arrays.asList(fFilterDialog.getResult())); | |
676 | fFilter.setFiltered(filteredElements); | |
8f28f9d8 | 677 | } else { |
f8840316 | 678 | fFilter.setFiltered(null); |
8f28f9d8 | 679 | } |
6ac5a950 AM |
680 | fTreeViewer.refresh(); |
681 | fTreeViewer.expandAll(); | |
682 | fTimeGraphViewer.refresh(); | |
683 | fInhibitTreeSelection = false; | |
588dff10 | 684 | alignTreeItems(true); |
40b7b614 | 685 | // Reset selection |
6ac5a950 | 686 | if (fFilterDialog.getResult().length > 0) { |
40b7b614 | 687 | setSelection(null); |
6ac5a950 AM |
688 | } |
689 | } | |
690 | } | |
691 | } | |
692 | ||
693 | /** | |
694 | * Get the show filter action. | |
695 | * | |
696 | * @return The Action object | |
697 | * @since 2.0 | |
698 | */ | |
699 | public Action getShowFilterAction() { | |
700 | if (showFilterAction == null) { | |
701 | // showFilter | |
702 | showFilterAction = new Action() { | |
703 | @Override | |
704 | public void run() { | |
705 | showFilterDialog(); | |
706 | } | |
707 | }; | |
708 | showFilterAction.setText(Messages.TmfTimeGraphCombo_FilterActionNameText); | |
709 | showFilterAction.setToolTipText(Messages.TmfTimeGraphCombo_FilterActionToolTipText); | |
710 | // TODO find a nice, distinctive icon | |
711 | showFilterAction.setImageDescriptor(Activator.getDefault().getImageDescripterFromPath(ITmfImageConstants.IMG_UI_FILTERS)); | |
712 | } | |
713 | ||
714 | return showFilterAction; | |
715 | } | |
716 | ||
837a2f8c PT |
717 | // ------------------------------------------------------------------------ |
718 | // Control | |
719 | // ------------------------------------------------------------------------ | |
720 | ||
837a2f8c PT |
721 | @Override |
722 | public void redraw() { | |
723 | fTimeGraphViewer.getControl().redraw(); | |
724 | super.redraw(); | |
725 | } | |
726 | ||
727 | // ------------------------------------------------------------------------ | |
728 | // Operations | |
729 | // ------------------------------------------------------------------------ | |
730 | ||
731 | /** | |
732 | * Sets the tree content provider used by this time graph combo. | |
733 | * | |
734 | * @param contentProvider the tree content provider | |
735 | */ | |
736 | public void setTreeContentProvider(ITreeContentProvider contentProvider) { | |
737 | fTreeViewer.setContentProvider(new TreeContentProviderWrapper(contentProvider)); | |
738 | } | |
739 | ||
740 | /** | |
741 | * Sets the tree label provider used by this time graph combo. | |
742 | * | |
743 | * @param labelProvider the tree label provider | |
744 | */ | |
745 | public void setTreeLabelProvider(ITableLabelProvider labelProvider) { | |
746 | fTreeViewer.setLabelProvider(new TreeLabelProviderWrapper(labelProvider)); | |
747 | } | |
748 | ||
6ac5a950 AM |
749 | /** |
750 | * Sets the tree content provider used by the filter dialog | |
751 | * | |
752 | * @param contentProvider the tree content provider | |
753 | * @since 2.0 | |
754 | */ | |
755 | public void setFilterContentProvider(ITreeContentProvider contentProvider) { | |
756 | fFilterDialog.setContentProvider(contentProvider); | |
757 | } | |
758 | ||
759 | /** | |
760 | * Sets the tree label provider used by the filter dialog | |
761 | * | |
762 | * @param labelProvider the tree label provider | |
763 | * @since 2.0 | |
764 | */ | |
765 | public void setFilterLabelProvider(ITableLabelProvider labelProvider) { | |
766 | fFilterDialog.setLabelProvider(labelProvider); | |
767 | } | |
768 | ||
837a2f8c PT |
769 | /** |
770 | * Sets the tree columns for this time graph combo. | |
771 | * | |
772 | * @param columnNames the tree column names | |
773 | */ | |
774 | public void setTreeColumns(String[] columnNames) { | |
775 | final Tree tree = fTreeViewer.getTree(); | |
776 | for (String columnName : columnNames) { | |
777 | TreeColumn column = new TreeColumn(tree, SWT.LEFT); | |
778 | column.setText(columnName); | |
779 | column.pack(); | |
780 | } | |
781 | } | |
782 | ||
6ac5a950 AM |
783 | /** |
784 | * Sets the tree columns for this time graph combo's filter dialog. | |
785 | * | |
786 | * @param columnNames the tree column names | |
787 | * @since 2.0 | |
788 | */ | |
789 | public void setFilterColumns(String[] columnNames) { | |
790 | fFilterDialog.setColumnNames(columnNames); | |
791 | } | |
792 | ||
837a2f8c | 793 | /** |
4c9c0c87 PT |
794 | * Sets the time graph content provider used by this time graph combo. |
795 | * | |
796 | * @param timeGraphContentProvider | |
797 | * the time graph content provider | |
798 | * | |
799 | * @since 3.0 | |
800 | */ | |
801 | public void setTimeGraphContentProvider(ITimeGraphContentProvider timeGraphContentProvider) { | |
802 | fTimeGraphViewer.setTimeGraphContentProvider(timeGraphContentProvider); | |
803 | } | |
804 | ||
805 | /** | |
806 | * Sets the time graph presentation provider used by this time graph combo. | |
837a2f8c PT |
807 | * |
808 | * @param timeGraphProvider the time graph provider | |
809 | */ | |
810 | public void setTimeGraphProvider(ITimeGraphPresentationProvider timeGraphProvider) { | |
811 | fTimeGraphViewer.setTimeGraphProvider(timeGraphProvider); | |
812 | } | |
813 | ||
814 | /** | |
815 | * Sets or clears the input for this time graph combo. | |
837a2f8c PT |
816 | * |
817 | * @param input the input of this time graph combo, or <code>null</code> if none | |
4c9c0c87 PT |
818 | * |
819 | * @since 3.0 | |
837a2f8c | 820 | */ |
4c9c0c87 | 821 | public void setInput(Object input) { |
f8840316 | 822 | fFilter.setFiltered(null); |
837a2f8c PT |
823 | fInhibitTreeSelection = true; |
824 | fTreeViewer.setInput(input); | |
825 | for (SelectionListenerWrapper listenerWrapper : fSelectionListenerMap.values()) { | |
826 | listenerWrapper.selection = null; | |
827 | } | |
828 | fInhibitTreeSelection = false; | |
837a2f8c PT |
829 | fTreeViewer.getTree().getVerticalBar().setEnabled(false); |
830 | fTreeViewer.getTree().getVerticalBar().setVisible(false); | |
831 | fTimeGraphViewer.setItemHeight(getItemHeight(fTreeViewer.getTree())); | |
832 | fTimeGraphViewer.setInput(input); | |
588dff10 PT |
833 | // queue the alignment update because in Linux the item bounds are not |
834 | // set properly until the tree has been painted at least once | |
835 | fVisibleExpandedItems = null; // invalidate the cache | |
836 | getDisplay().asyncExec(new Runnable() { | |
837 | @Override | |
838 | public void run() { | |
839 | alignTreeItems(true); | |
840 | }}); | |
837a2f8c PT |
841 | } |
842 | ||
4c9c0c87 PT |
843 | /** |
844 | * Gets the input for this time graph combo. | |
845 | * | |
846 | * @return The input of this time graph combo, or <code>null</code> if none | |
847 | * | |
848 | * @since 3.0 | |
849 | */ | |
850 | public Object getInput() { | |
851 | return fTreeViewer.getInput(); | |
852 | } | |
853 | ||
bec1f1ac GB |
854 | /** |
855 | * Sets or clears the list of links to display on this combo | |
856 | * | |
857 | * @param links the links to display in this time graph combo | |
858 | * @since 2.1 | |
859 | */ | |
860 | public void setLinks(List<ILinkEvent> links) { | |
861 | fTimeGraphViewer.setLinks(links); | |
862 | } | |
863 | ||
6ac5a950 AM |
864 | /** |
865 | * @param filter The filter object to be attached to the view | |
866 | * @since 2.0 | |
867 | */ | |
868 | public void addFilter(ViewerFilter filter) { | |
869 | ViewerFilter wrapper = new ViewerFilterWrapper(filter); | |
870 | fTreeViewer.addFilter(wrapper); | |
871 | fTimeGraphViewer.addFilter(wrapper); | |
872 | fViewerFilterMap.put(filter, wrapper); | |
588dff10 | 873 | alignTreeItems(true); |
6ac5a950 AM |
874 | } |
875 | ||
876 | /** | |
877 | * @param filter The filter object to be removed from the view | |
878 | * @since 2.0 | |
879 | */ | |
880 | public void removeFilter(ViewerFilter filter) { | |
881 | ViewerFilter wrapper = fViewerFilterMap.get(filter); | |
882 | fTreeViewer.removeFilter(wrapper); | |
883 | fTimeGraphViewer.removeFilter(wrapper); | |
884 | fViewerFilterMap.remove(filter); | |
588dff10 | 885 | alignTreeItems(true); |
6ac5a950 AM |
886 | } |
887 | ||
837a2f8c PT |
888 | /** |
889 | * Refreshes this time graph completely with information freshly obtained from its model. | |
890 | */ | |
891 | public void refresh() { | |
892 | fInhibitTreeSelection = true; | |
4c9c0c87 PT |
893 | Tree tree = fTreeViewer.getTree(); |
894 | tree.setRedraw(false); | |
837a2f8c | 895 | fTreeViewer.refresh(); |
4c9c0c87 PT |
896 | fTreeViewer.expandAll(); |
897 | tree.setRedraw(true); | |
837a2f8c | 898 | fTimeGraphViewer.refresh(); |
588dff10 | 899 | alignTreeItems(true); |
837a2f8c PT |
900 | fInhibitTreeSelection = false; |
901 | } | |
902 | ||
903 | /** | |
904 | * Adds a listener for selection changes in this time graph combo. | |
905 | * | |
906 | * @param listener a selection listener | |
907 | */ | |
908 | public void addSelectionListener(ITimeGraphSelectionListener listener) { | |
909 | SelectionListenerWrapper listenerWrapper = new SelectionListenerWrapper(listener); | |
910 | fTreeViewer.addSelectionChangedListener(listenerWrapper); | |
911 | fSelectionListenerMap.put(listener, listenerWrapper); | |
912 | fTimeGraphViewer.addSelectionListener(listenerWrapper); | |
913 | } | |
914 | ||
915 | /** | |
916 | * Removes the given selection listener from this time graph combo. | |
917 | * | |
918 | * @param listener a selection changed listener | |
919 | */ | |
920 | public void removeSelectionListener(ITimeGraphSelectionListener listener) { | |
921 | SelectionListenerWrapper listenerWrapper = fSelectionListenerMap.remove(listener); | |
922 | fTreeViewer.removeSelectionChangedListener(listenerWrapper); | |
923 | fTimeGraphViewer.removeSelectionListener(listenerWrapper); | |
924 | } | |
925 | ||
926 | /** | |
927 | * Sets the current selection for this time graph combo. | |
928 | * | |
929 | * @param selection the new selection | |
930 | */ | |
931 | public void setSelection(ITimeGraphEntry selection) { | |
932 | fTimeGraphViewer.setSelection(selection); | |
933 | fInhibitTreeSelection = true; // block the tree selection changed listener | |
934 | if (selection != null) { | |
935 | StructuredSelection structuredSelection = new StructuredSelection(selection); | |
936 | fTreeViewer.setSelection(structuredSelection); | |
937 | } else { | |
938 | fTreeViewer.setSelection(new StructuredSelection()); | |
939 | } | |
940 | fInhibitTreeSelection = false; | |
588dff10 | 941 | alignTreeItems(false); |
837a2f8c PT |
942 | } |
943 | ||
f4617471 PT |
944 | /** |
945 | * Sets the auto-expand level to be used when the input of the viewer is set | |
946 | * using {@link #setInput(Object)}. The value 0 means that there is no | |
947 | * auto-expand; 1 means that top-level elements are expanded, but not their | |
948 | * children; 2 means that top-level elements are expanded, and their | |
949 | * children, but not grand-children; and so on. | |
950 | * <p> | |
951 | * The value {@link #ALL_LEVELS} means that all subtrees should be expanded. | |
952 | * </p> | |
953 | * @param level | |
954 | * non-negative level, or <code>ALL_LEVELS</code> to expand all | |
955 | * levels of the tree | |
956 | * @since 3.1 | |
957 | */ | |
958 | public void setAutoExpandLevel(int level) { | |
959 | fTimeGraphViewer.setAutoExpandLevel(level); | |
960 | if (level <= 0) { | |
961 | fTreeViewer.setAutoExpandLevel(level); | |
962 | } else { | |
963 | fTreeViewer.setAutoExpandLevel(level + 1); | |
964 | } | |
965 | } | |
966 | ||
967 | /** | |
968 | * Returns the auto-expand level. | |
969 | * | |
970 | * @return non-negative level, or <code>ALL_LEVELS</code> if all levels of | |
971 | * the tree are expanded automatically | |
972 | * @see #setAutoExpandLevel | |
973 | * @since 3.1 | |
974 | */ | |
975 | public int getAutoExpandLevel() { | |
976 | return fTimeGraphViewer.getAutoExpandLevel(); | |
977 | } | |
978 | ||
837a2f8c PT |
979 | /** |
980 | * Set the expanded state of an entry | |
981 | * | |
982 | * @param entry | |
983 | * The entry to expand/collapse | |
984 | * @param expanded | |
985 | * True for expanded, false for collapsed | |
986 | * | |
987 | * @since 2.0 | |
988 | */ | |
989 | public void setExpandedState(ITimeGraphEntry entry, boolean expanded) { | |
990 | fTimeGraphViewer.setExpandedState(entry, expanded); | |
991 | fTreeViewer.setExpandedState(entry, expanded); | |
588dff10 | 992 | alignTreeItems(true); |
837a2f8c PT |
993 | } |
994 | ||
995 | /** | |
996 | * Collapses all nodes of the viewer's tree, starting with the root. | |
997 | * | |
998 | * @since 2.0 | |
999 | */ | |
1000 | public void collapseAll() { | |
1001 | fTimeGraphViewer.collapseAll(); | |
1002 | fTreeViewer.collapseAll(); | |
588dff10 | 1003 | alignTreeItems(true); |
837a2f8c PT |
1004 | } |
1005 | ||
1006 | /** | |
1007 | * Expands all nodes of the viewer's tree, starting with the root. | |
1008 | * | |
1009 | * @since 2.0 | |
1010 | */ | |
1011 | public void expandAll() { | |
1012 | fTimeGraphViewer.expandAll(); | |
1013 | fTreeViewer.expandAll(); | |
588dff10 | 1014 | alignTreeItems(true); |
837a2f8c PT |
1015 | } |
1016 | ||
1017 | // ------------------------------------------------------------------------ | |
1018 | // Internal | |
1019 | // ------------------------------------------------------------------------ | |
1020 | ||
588dff10 PT |
1021 | private List<TreeItem> getVisibleExpandedItems(Tree tree, boolean refresh) { |
1022 | if (fVisibleExpandedItems == null || refresh) { | |
1023 | ArrayList<TreeItem> items = new ArrayList<>(); | |
1024 | for (TreeItem item : tree.getItems()) { | |
1025 | if (item.getData() == FILLER) { | |
1026 | break; | |
1027 | } | |
1028 | items.add(item); | |
1029 | if (item.getExpanded()) { | |
1030 | addVisibleExpandedItems(items, item); | |
1031 | } | |
837a2f8c | 1032 | } |
588dff10 | 1033 | fVisibleExpandedItems = items; |
837a2f8c | 1034 | } |
588dff10 | 1035 | return fVisibleExpandedItems; |
837a2f8c PT |
1036 | } |
1037 | ||
588dff10 | 1038 | private void addVisibleExpandedItems(List<TreeItem> items, TreeItem treeItem) { |
837a2f8c PT |
1039 | for (TreeItem item : treeItem.getItems()) { |
1040 | items.add(item); | |
1041 | if (item.getExpanded()) { | |
588dff10 | 1042 | addVisibleExpandedItems(items, item); |
837a2f8c PT |
1043 | } |
1044 | } | |
837a2f8c PT |
1045 | } |
1046 | ||
6ac5a950 AM |
1047 | /** |
1048 | * Explores the list of top-level inputs and returns all the inputs | |
1049 | * | |
1050 | * @param inputs The top-level inputs | |
1051 | * @return All the inputs | |
1052 | */ | |
1053 | private List<? extends ITimeGraphEntry> listAllInputs(List<? extends ITimeGraphEntry> inputs) { | |
507b1336 | 1054 | ArrayList<ITimeGraphEntry> items = new ArrayList<>(); |
6ac5a950 AM |
1055 | for (ITimeGraphEntry entry : inputs) { |
1056 | items.add(entry); | |
1057 | if (entry.hasChildren()) { | |
1058 | items.addAll(listAllInputs(entry.getChildren())); | |
1059 | } | |
1060 | } | |
1061 | return items; | |
1062 | } | |
1063 | ||
837a2f8c PT |
1064 | private int getItemHeight(final Tree tree) { |
1065 | /* | |
1066 | * Bug in Linux. The method getItemHeight doesn't always return the correct value. | |
1067 | */ | |
1068 | if (fLinuxItemHeight >= 0 && System.getProperty("os.name").contains("Linux")) { //$NON-NLS-1$ //$NON-NLS-2$ | |
1069 | if (fLinuxItemHeight != 0) { | |
1070 | return fLinuxItemHeight; | |
1071 | } | |
588dff10 | 1072 | List<TreeItem> treeItems = getVisibleExpandedItems(tree, true); |
837a2f8c PT |
1073 | if (treeItems.size() > 1) { |
1074 | final TreeItem treeItem0 = treeItems.get(0); | |
1075 | final TreeItem treeItem1 = treeItems.get(1); | |
1076 | PaintListener paintListener = new PaintListener() { | |
1077 | @Override | |
1078 | public void paintControl(PaintEvent e) { | |
1079 | tree.removePaintListener(this); | |
1080 | int y0 = treeItem0.getBounds().y; | |
1081 | int y1 = treeItem1.getBounds().y; | |
1082 | int itemHeight = y1 - y0; | |
1083 | if (itemHeight > 0) { | |
1084 | fLinuxItemHeight = itemHeight; | |
1085 | fTimeGraphViewer.setItemHeight(itemHeight); | |
1086 | } | |
1087 | } | |
1088 | }; | |
1089 | tree.addPaintListener(paintListener); | |
1090 | } | |
1091 | } else { | |
1092 | fLinuxItemHeight = -1; // Not Linux, don't perform os.name check anymore | |
1093 | } | |
1094 | return tree.getItemHeight(); | |
1095 | } | |
1096 | ||
588dff10 PT |
1097 | private void alignTreeItems(boolean refreshExpandedItems) { |
1098 | // align the tree top item with the time graph top item | |
1099 | Tree tree = fTreeViewer.getTree(); | |
1100 | List<TreeItem> treeItems = getVisibleExpandedItems(tree, refreshExpandedItems); | |
1101 | int topIndex = fTimeGraphViewer.getTopIndex(); | |
1102 | if (topIndex >= treeItems.size()) { | |
1103 | return; | |
1104 | } | |
1105 | TreeItem item = treeItems.get(topIndex); | |
1106 | tree.setTopItem(item); | |
1107 | ||
1108 | // ensure the time graph item heights are equal to the tree item heights | |
1109 | int treeHeight = fTreeViewer.getTree().getBounds().height; | |
1110 | int index = topIndex; | |
1111 | Rectangle bounds = item.getBounds(); | |
1112 | while (index < treeItems.size() - 1) { | |
1113 | if (bounds.y > treeHeight) { | |
1114 | break; | |
1115 | } | |
1116 | /* | |
1117 | * Bug in Linux. The method getBounds doesn't always return the correct height. | |
1118 | * Use the difference of y position between items to calculate the height. | |
1119 | */ | |
1120 | TreeItem nextItem = treeItems.get(index + 1); | |
1121 | Rectangle nextBounds = nextItem.getBounds(); | |
1122 | Integer itemHeight = nextBounds.y - bounds.y; | |
1123 | if (itemHeight > 0 && !itemHeight.equals(item.getData(ITEM_HEIGHT))) { | |
1124 | ITimeGraphEntry entry = (ITimeGraphEntry) item.getData(); | |
1125 | if (fTimeGraphViewer.getTimeGraphControl().setItemHeight(entry, itemHeight)) { | |
1126 | item.setData(ITEM_HEIGHT, itemHeight); | |
1127 | } | |
1128 | } | |
1129 | index++; | |
1130 | item = nextItem; | |
1131 | bounds = nextBounds; | |
1132 | } | |
1133 | } | |
1134 | ||
837a2f8c | 1135 | } |