Commit | Line | Data |
---|---|---|
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 | * | |
837a2f8c PT |
74 | * @author Patrick Tasse |
75 | */ | |
76 | public class TimeGraphCombo extends Composite { | |
77 | ||
78 | // ------------------------------------------------------------------------ | |
79 | // Constants | |
80 | // ------------------------------------------------------------------------ | |
81 | ||
ae09c4ad | 82 | /** Constant indicating that all levels of the time graph should be expanded */ |
f4617471 PT |
83 | public static final int ALL_LEVELS = AbstractTreeViewer.ALL_LEVELS; |
84 | ||
837a2f8c PT |
85 | private static final Object FILLER = new Object(); |
86 | ||
c004295c PT |
87 | private static final String ITEM_HEIGHT = "$height$"; //$NON-NLS-1$ |
88 | ||
837a2f8c PT |
89 | // ------------------------------------------------------------------------ |
90 | // Fields | |
91 | // ------------------------------------------------------------------------ | |
92 | ||
4999a196 | 93 | /** The tree viewer */ |
837a2f8c PT |
94 | private TreeViewer fTreeViewer; |
95 | ||
4999a196 | 96 | /** The time viewer */ |
dfa0ef96 | 97 | private @NonNull TimeGraphViewer fTimeGraphViewer; |
837a2f8c | 98 | |
4999a196 | 99 | /** The selection listener map */ |
507b1336 | 100 | private final Map<ITimeGraphSelectionListener, SelectionListenerWrapper> fSelectionListenerMap = new HashMap<>(); |
837a2f8c | 101 | |
4999a196 | 102 | /** The map of viewer filters */ |
507b1336 | 103 | private final Map<ViewerFilter, ViewerFilter> fViewerFilterMap = new HashMap<>(); |
6ac5a950 | 104 | |
4999a196 GB |
105 | /** |
106 | * Flag to block the tree selection changed listener when triggered by the | |
107 | * time graph combo | |
108 | */ | |
837a2f8c PT |
109 | private boolean fInhibitTreeSelection = false; |
110 | ||
4999a196 | 111 | /** Number of filler rows used by the tree content provider */ |
837a2f8c PT |
112 | private int fNumFillerRows; |
113 | ||
4999a196 | 114 | /** Calculated item height for Linux workaround */ |
837a2f8c PT |
115 | private int fLinuxItemHeight = 0; |
116 | ||
4999a196 | 117 | /** The button that opens the filter dialog */ |
6ac5a950 AM |
118 | private Action showFilterAction; |
119 | ||
4999a196 | 120 | /** The filter dialog */ |
6ac5a950 AM |
121 | private TimeGraphFilterDialog fFilterDialog; |
122 | ||
4999a196 | 123 | /** The filter generated from the filter dialog */ |
6ac5a950 AM |
124 | private RawViewerFilter fFilter; |
125 | ||
4999a196 GB |
126 | /** Default weight of each part of the sash */ |
127 | private static final int[] DEFAULT_WEIGHTS = { 1, 1 }; | |
128 | ||
588dff10 PT |
129 | /** List of all expanded items whose parents are also expanded */ |
130 | private List<TreeItem> fVisibleExpandedItems = null; | |
131 | ||
837a2f8c PT |
132 | // ------------------------------------------------------------------------ |
133 | // Classes | |
134 | // ------------------------------------------------------------------------ | |
135 | ||
136 | /** | |
137 | * The TreeContentProviderWrapper is used to insert filler items after | |
138 | * the elements of the tree's real content provider. | |
139 | */ | |
140 | private class TreeContentProviderWrapper implements ITreeContentProvider { | |
141 | private final ITreeContentProvider contentProvider; | |
142 | ||
143 | public TreeContentProviderWrapper(ITreeContentProvider contentProvider) { | |
144 | this.contentProvider = contentProvider; | |
145 | } | |
146 | ||
147 | @Override | |
148 | public void dispose() { | |
149 | contentProvider.dispose(); | |
150 | } | |
151 | ||
152 | @Override | |
153 | public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { | |
154 | contentProvider.inputChanged(viewer, oldInput, newInput); | |
155 | } | |
156 | ||
157 | @Override | |
158 | public Object[] getElements(Object inputElement) { | |
159 | Object[] elements = contentProvider.getElements(inputElement); | |
160 | // add filler elements to ensure alignment with time analysis viewer | |
f1fae91f | 161 | Object[] oElements = Arrays.copyOf(elements, elements.length + fNumFillerRows, Object[].class); |
837a2f8c PT |
162 | for (int i = 0; i < fNumFillerRows; i++) { |
163 | oElements[elements.length + i] = FILLER; | |
164 | } | |
165 | return oElements; | |
166 | } | |
167 | ||
168 | @Override | |
169 | public Object[] getChildren(Object parentElement) { | |
170 | if (parentElement instanceof ITimeGraphEntry) { | |
171 | return contentProvider.getChildren(parentElement); | |
172 | } | |
173 | return new Object[0]; | |
174 | } | |
175 | ||
176 | @Override | |
177 | public Object getParent(Object element) { | |
178 | if (element instanceof ITimeGraphEntry) { | |
179 | return contentProvider.getParent(element); | |
180 | } | |
181 | return null; | |
182 | } | |
183 | ||
184 | @Override | |
185 | public boolean hasChildren(Object element) { | |
186 | if (element instanceof ITimeGraphEntry) { | |
187 | return contentProvider.hasChildren(element); | |
188 | } | |
189 | return false; | |
190 | } | |
191 | } | |
192 | ||
193 | /** | |
194 | * The TreeLabelProviderWrapper is used to intercept the filler items | |
195 | * from the calls to the tree's real label provider. | |
196 | */ | |
197 | private class TreeLabelProviderWrapper implements ITableLabelProvider { | |
198 | private final ITableLabelProvider labelProvider; | |
199 | ||
200 | public TreeLabelProviderWrapper(ITableLabelProvider labelProvider) { | |
201 | this.labelProvider = labelProvider; | |
202 | } | |
203 | ||
204 | @Override | |
205 | public void addListener(ILabelProviderListener listener) { | |
206 | labelProvider.addListener(listener); | |
207 | } | |
208 | ||
209 | @Override | |
210 | public void dispose() { | |
211 | labelProvider.dispose(); | |
212 | } | |
213 | ||
214 | @Override | |
215 | public boolean isLabelProperty(Object element, String property) { | |
216 | if (element instanceof ITimeGraphEntry) { | |
217 | return labelProvider.isLabelProperty(element, property); | |
218 | } | |
219 | return false; | |
220 | } | |
221 | ||
222 | @Override | |
223 | public void removeListener(ILabelProviderListener listener) { | |
224 | labelProvider.removeListener(listener); | |
225 | } | |
226 | ||
227 | @Override | |
228 | public Image getColumnImage(Object element, int columnIndex) { | |
229 | if (element instanceof ITimeGraphEntry) { | |
230 | return labelProvider.getColumnImage(element, columnIndex); | |
231 | } | |
232 | return null; | |
233 | } | |
234 | ||
235 | @Override | |
236 | public String getColumnText(Object element, int columnIndex) { | |
237 | if (element instanceof ITimeGraphEntry) { | |
238 | return labelProvider.getColumnText(element, columnIndex); | |
239 | } | |
240 | return null; | |
241 | } | |
242 | ||
243 | } | |
244 | ||
245 | /** | |
246 | * The SelectionListenerWrapper is used to intercept the filler items from | |
247 | * the time graph combo's real selection listener, and to prevent double | |
248 | * notifications from being sent when selection changes in both tree and | |
249 | * time graph at the same time. | |
250 | */ | |
251 | private class SelectionListenerWrapper implements ISelectionChangedListener, ITimeGraphSelectionListener { | |
252 | private final ITimeGraphSelectionListener listener; | |
253 | private ITimeGraphEntry selection = null; | |
254 | ||
255 | public SelectionListenerWrapper(ITimeGraphSelectionListener listener) { | |
256 | this.listener = listener; | |
257 | } | |
258 | ||
259 | @Override | |
260 | public void selectionChanged(SelectionChangedEvent event) { | |
261 | if (fInhibitTreeSelection) { | |
262 | return; | |
263 | } | |
264 | Object element = ((IStructuredSelection) event.getSelection()).getFirstElement(); | |
265 | if (element instanceof ITimeGraphEntry) { | |
266 | ITimeGraphEntry entry = (ITimeGraphEntry) element; | |
267 | if (entry != selection) { | |
268 | selection = entry; | |
269 | listener.selectionChanged(new TimeGraphSelectionEvent(event.getSource(), selection)); | |
270 | } | |
271 | } | |
272 | } | |
273 | ||
274 | @Override | |
275 | public void selectionChanged(TimeGraphSelectionEvent event) { | |
276 | ITimeGraphEntry entry = event.getSelection(); | |
277 | if (entry != selection) { | |
278 | selection = entry; | |
279 | listener.selectionChanged(new TimeGraphSelectionEvent(event.getSource(), selection)); | |
280 | } | |
281 | } | |
282 | } | |
283 | ||
6ac5a950 AM |
284 | /** |
285 | * The ViewerFilterWrapper is used to intercept the filler items from | |
286 | * the time graph combo's real ViewerFilters. These filler items should | |
287 | * always be visible. | |
288 | */ | |
289 | private class ViewerFilterWrapper extends ViewerFilter { | |
290 | ||
f1fae91f | 291 | private ViewerFilter fWrappedFilter; |
6ac5a950 AM |
292 | |
293 | ViewerFilterWrapper(ViewerFilter filter) { | |
294 | super(); | |
295 | this.fWrappedFilter = filter; | |
296 | } | |
297 | ||
298 | @Override | |
299 | public boolean select(Viewer viewer, Object parentElement, Object element) { | |
300 | if (element instanceof ITimeGraphEntry) { | |
301 | return fWrappedFilter.select(viewer, parentElement, element); | |
302 | } | |
303 | return true; | |
304 | } | |
305 | ||
306 | } | |
307 | ||
308 | /** | |
f8840316 FR |
309 | * This filter simply keeps a list of elements that should be filtered out. |
310 | * All the other elements will be shown. | |
8f28f9d8 | 311 | * By default and when the list is set to null, all elements are shown. |
6ac5a950 AM |
312 | */ |
313 | private class RawViewerFilter extends ViewerFilter { | |
314 | ||
f8840316 | 315 | private List<Object> fFiltered = null; |
6ac5a950 | 316 | |
f8840316 FR |
317 | public void setFiltered(List<Object> objects) { |
318 | fFiltered = objects; | |
6ac5a950 AM |
319 | } |
320 | ||
f8840316 FR |
321 | public List<Object> getFiltered() { |
322 | return fFiltered; | |
6ac5a950 AM |
323 | } |
324 | ||
325 | @Override | |
326 | public boolean select(Viewer viewer, Object parentElement, Object element) { | |
f8840316 | 327 | if (fFiltered == null) { |
8f28f9d8 PT |
328 | return true; |
329 | } | |
f8840316 | 330 | return !fFiltered.contains(element); |
6ac5a950 AM |
331 | } |
332 | } | |
333 | ||
837a2f8c PT |
334 | // ------------------------------------------------------------------------ |
335 | // Constructors | |
336 | // ------------------------------------------------------------------------ | |
337 | ||
338 | /** | |
339 | * Constructs a new instance of this class given its parent | |
340 | * and a style value describing its behavior and appearance. | |
341 | * | |
342 | * @param parent a widget which will be the parent of the new instance (cannot be null) | |
343 | * @param style the style of widget to construct | |
344 | */ | |
345 | public TimeGraphCombo(Composite parent, int style) { | |
4999a196 GB |
346 | this(parent, style, DEFAULT_WEIGHTS); |
347 | } | |
348 | ||
349 | /** | |
350 | * Constructs a new instance of this class given its parent and a style | |
351 | * value describing its behavior and appearance. | |
352 | * | |
353 | * @param parent | |
354 | * a widget which will be the parent of the new instance (cannot | |
355 | * be null) | |
356 | * @param style | |
357 | * the style of widget to construct | |
358 | * @param weights | |
359 | * The relative weights of each side of the sash form | |
4999a196 GB |
360 | */ |
361 | public TimeGraphCombo(Composite parent, int style, int[] weights) { | |
837a2f8c PT |
362 | super(parent, style); |
363 | setLayout(new FillLayout()); | |
364 | ||
365 | final SashForm sash = new SashForm(this, SWT.NONE); | |
366 | ||
367 | fTreeViewer = new TreeViewer(sash, SWT.FULL_SELECTION | SWT.H_SCROLL); | |
4c9c0c87 | 368 | fTreeViewer.setAutoExpandLevel(AbstractTreeViewer.ALL_LEVELS); |
837a2f8c PT |
369 | final Tree tree = fTreeViewer.getTree(); |
370 | tree.setHeaderVisible(true); | |
371 | tree.setLinesVisible(true); | |
372 | ||
373 | fTimeGraphViewer = new TimeGraphViewer(sash, SWT.NONE); | |
374 | fTimeGraphViewer.setItemHeight(getItemHeight(tree)); | |
375 | fTimeGraphViewer.setHeaderHeight(tree.getHeaderHeight()); | |
376 | fTimeGraphViewer.setBorderWidth(tree.getBorderWidth()); | |
377 | fTimeGraphViewer.setNameWidthPref(0); | |
378 | ||
6ac5a950 AM |
379 | fFilter = new RawViewerFilter(); |
380 | addFilter(fFilter); | |
381 | ||
382 | fFilterDialog = new TimeGraphFilterDialog(getShell()); | |
383 | ||
837a2f8c PT |
384 | // Feature in Windows. The tree vertical bar reappears when |
385 | // the control is resized so we need to hide it again. | |
386 | // Bug in Linux. The tree header height is 0 in constructor, | |
387 | // so we need to reset it later when the control is resized. | |
388 | tree.addControlListener(new ControlAdapter() { | |
f1fae91f | 389 | private int depth = 0; |
837a2f8c PT |
390 | @Override |
391 | public void controlResized(ControlEvent e) { | |
392 | if (depth == 0) { | |
393 | depth++; | |
394 | tree.getVerticalBar().setEnabled(false); | |
395 | // this can trigger controlResized recursively | |
396 | tree.getVerticalBar().setVisible(false); | |
397 | depth--; | |
398 | } | |
399 | fTimeGraphViewer.setHeaderHeight(tree.getHeaderHeight()); | |
400 | } | |
401 | }); | |
402 | ||
403 | // ensure synchronization of expanded items between tree and time graph | |
404 | fTreeViewer.addTreeListener(new ITreeViewerListener() { | |
405 | @Override | |
406 | public void treeCollapsed(TreeExpansionEvent event) { | |
407 | fTimeGraphViewer.setExpandedState((ITimeGraphEntry) event.getElement(), false); | |
588dff10 PT |
408 | // queue the alignment update because the tree items may only be |
409 | // actually collapsed after the listeners have been notified | |
410 | fVisibleExpandedItems = null; // invalidate the cache | |
411 | getDisplay().asyncExec(new Runnable() { | |
412 | @Override | |
413 | public void run() { | |
414 | alignTreeItems(true); | |
415 | }}); | |
837a2f8c PT |
416 | } |
417 | ||
418 | @Override | |
419 | public void treeExpanded(TreeExpansionEvent event) { | |
e7708b02 PT |
420 | ITimeGraphEntry entry = (ITimeGraphEntry) event.getElement(); |
421 | fTimeGraphViewer.setExpandedState(entry, true); | |
70e10acc | 422 | Set<Object> expandedElements = new HashSet<>(Arrays.asList(fTreeViewer.getExpandedElements())); |
e7708b02 | 423 | for (ITimeGraphEntry child : entry.getChildren()) { |
70e10acc PT |
424 | if (child.hasChildren()) { |
425 | boolean expanded = expandedElements.contains(child); | |
426 | fTimeGraphViewer.setExpandedState(child, expanded); | |
427 | } | |
e7708b02 | 428 | } |
588dff10 PT |
429 | // queue the alignment update because the tree items may only be |
430 | // actually expanded after the listeners have been notified | |
431 | fVisibleExpandedItems = null; // invalidate the cache | |
837a2f8c PT |
432 | getDisplay().asyncExec(new Runnable() { |
433 | @Override | |
434 | public void run() { | |
588dff10 | 435 | alignTreeItems(true); |
837a2f8c PT |
436 | }}); |
437 | } | |
438 | }); | |
439 | ||
440 | // ensure synchronization of expanded items between tree and time graph | |
441 | fTimeGraphViewer.addTreeListener(new ITimeGraphTreeListener() { | |
442 | @Override | |
443 | public void treeCollapsed(TimeGraphTreeExpansionEvent event) { | |
444 | fTreeViewer.setExpandedState(event.getEntry(), false); | |
588dff10 | 445 | alignTreeItems(true); |
837a2f8c PT |
446 | } |
447 | ||
448 | @Override | |
449 | public void treeExpanded(TimeGraphTreeExpansionEvent event) { | |
e7708b02 PT |
450 | ITimeGraphEntry entry = event.getEntry(); |
451 | fTreeViewer.setExpandedState(entry, true); | |
70e10acc | 452 | Set<Object> expandedElements = new HashSet<>(Arrays.asList(fTreeViewer.getExpandedElements())); |
e7708b02 | 453 | for (ITimeGraphEntry child : entry.getChildren()) { |
70e10acc PT |
454 | if (child.hasChildren()) { |
455 | boolean expanded = expandedElements.contains(child); | |
456 | fTimeGraphViewer.setExpandedState(child, expanded); | |
457 | } | |
e7708b02 | 458 | } |
588dff10 | 459 | alignTreeItems(true); |
837a2f8c PT |
460 | } |
461 | }); | |
462 | ||
463 | // prevent mouse button from selecting a filler tree item | |
464 | tree.addListener(SWT.MouseDown, new Listener() { | |
465 | @Override | |
466 | public void handleEvent(Event event) { | |
467 | TreeItem treeItem = tree.getItem(new Point(event.x, event.y)); | |
468 | if (treeItem == null || treeItem.getData() == FILLER) { | |
469 | event.doit = false; | |
588dff10 | 470 | List<TreeItem> treeItems = getVisibleExpandedItems(tree, false); |
837a2f8c PT |
471 | if (treeItems.size() == 0) { |
472 | fTreeViewer.setSelection(new StructuredSelection()); | |
473 | fTimeGraphViewer.setSelection(null); | |
474 | return; | |
475 | } | |
476 | // this prevents from scrolling up when selecting | |
477 | // the partially visible tree item at the bottom | |
478 | tree.select(treeItems.get(treeItems.size() - 1)); | |
479 | fTreeViewer.setSelection(new StructuredSelection()); | |
480 | fTimeGraphViewer.setSelection(null); | |
481 | } | |
482 | } | |
483 | }); | |
484 | ||
485 | // prevent mouse wheel from scrolling down into filler tree items | |
486 | tree.addListener(SWT.MouseWheel, new Listener() { | |
487 | @Override | |
488 | public void handleEvent(Event event) { | |
489 | event.doit = false; | |
490 | Slider scrollBar = fTimeGraphViewer.getVerticalBar(); | |
491 | fTimeGraphViewer.setTopIndex(scrollBar.getSelection() - event.count); | |
588dff10 | 492 | alignTreeItems(false); |
837a2f8c PT |
493 | } |
494 | }); | |
495 | ||
496 | // prevent key stroke from selecting a filler tree item | |
497 | tree.addListener(SWT.KeyDown, new Listener() { | |
498 | @Override | |
499 | public void handleEvent(Event event) { | |
588dff10 | 500 | List<TreeItem> treeItems = getVisibleExpandedItems(tree, false); |
837a2f8c PT |
501 | if (treeItems.size() == 0) { |
502 | fTreeViewer.setSelection(new StructuredSelection()); | |
503 | event.doit = false; | |
504 | return; | |
505 | } | |
506 | if (event.keyCode == SWT.ARROW_DOWN) { | |
507 | int index = Math.min(fTimeGraphViewer.getSelectionIndex() + 1, treeItems.size() - 1); | |
508 | fTimeGraphViewer.setSelection((ITimeGraphEntry) treeItems.get(index).getData()); | |
509 | event.doit = false; | |
510 | } else if (event.keyCode == SWT.PAGE_DOWN) { | |
511 | int height = tree.getSize().y - tree.getHeaderHeight() - tree.getHorizontalBar().getSize().y; | |
512 | int countPerPage = height / getItemHeight(tree); | |
513 | int index = Math.min(fTimeGraphViewer.getSelectionIndex() + countPerPage - 1, treeItems.size() - 1); | |
514 | fTimeGraphViewer.setSelection((ITimeGraphEntry) treeItems.get(index).getData()); | |
515 | event.doit = false; | |
516 | } else if (event.keyCode == SWT.END) { | |
517 | fTimeGraphViewer.setSelection((ITimeGraphEntry) treeItems.get(treeItems.size() - 1).getData()); | |
518 | event.doit = false; | |
519 | } | |
837a2f8c PT |
520 | if (fTimeGraphViewer.getSelectionIndex() >= 0) { |
521 | fTreeViewer.setSelection(new StructuredSelection(fTimeGraphViewer.getSelection())); | |
522 | } else { | |
523 | fTreeViewer.setSelection(new StructuredSelection()); | |
524 | } | |
588dff10 | 525 | alignTreeItems(false); |
837a2f8c PT |
526 | } |
527 | }); | |
528 | ||
529 | // ensure alignment of top item between tree and time graph | |
530 | fTimeGraphViewer.getTimeGraphControl().addControlListener(new ControlAdapter() { | |
531 | @Override | |
532 | public void controlResized(ControlEvent e) { | |
588dff10 | 533 | alignTreeItems(false); |
837a2f8c PT |
534 | } |
535 | }); | |
536 | ||
537 | // ensure synchronization of selected item between tree and time graph | |
538 | fTreeViewer.addSelectionChangedListener(new ISelectionChangedListener() { | |
539 | @Override | |
540 | public void selectionChanged(SelectionChangedEvent event) { | |
541 | if (fInhibitTreeSelection) { | |
542 | return; | |
543 | } | |
544 | if (event.getSelection() instanceof IStructuredSelection) { | |
545 | Object selection = ((IStructuredSelection) event.getSelection()).getFirstElement(); | |
546 | if (selection instanceof ITimeGraphEntry) { | |
547 | fTimeGraphViewer.setSelection((ITimeGraphEntry) selection); | |
548 | } | |
588dff10 | 549 | alignTreeItems(false); |
837a2f8c PT |
550 | } |
551 | } | |
552 | }); | |
553 | ||
554 | // ensure synchronization of selected item between tree and time graph | |
555 | fTimeGraphViewer.addSelectionListener(new ITimeGraphSelectionListener() { | |
556 | @Override | |
557 | public void selectionChanged(TimeGraphSelectionEvent event) { | |
558 | ITimeGraphEntry entry = fTimeGraphViewer.getSelection(); | |
559 | fInhibitTreeSelection = true; // block the tree selection changed listener | |
560 | if (entry != null) { | |
561 | StructuredSelection selection = new StructuredSelection(entry); | |
562 | fTreeViewer.setSelection(selection); | |
563 | } else { | |
564 | fTreeViewer.setSelection(new StructuredSelection()); | |
565 | } | |
566 | fInhibitTreeSelection = false; | |
588dff10 | 567 | alignTreeItems(false); |
837a2f8c PT |
568 | } |
569 | }); | |
570 | ||
571 | // ensure alignment of top item between tree and time graph | |
572 | fTimeGraphViewer.getVerticalBar().addSelectionListener(new SelectionAdapter() { | |
573 | @Override | |
574 | public void widgetSelected(SelectionEvent e) { | |
588dff10 | 575 | alignTreeItems(false); |
837a2f8c PT |
576 | } |
577 | }); | |
578 | ||
579 | // ensure alignment of top item between tree and time graph | |
580 | fTimeGraphViewer.getTimeGraphControl().addMouseWheelListener(new MouseWheelListener() { | |
581 | @Override | |
582 | public void mouseScrolled(MouseEvent e) { | |
588dff10 | 583 | alignTreeItems(false); |
837a2f8c PT |
584 | } |
585 | }); | |
586 | ||
587 | // ensure the tree has focus control when mouse is over it if the time graph had control | |
588 | fTreeViewer.getControl().addMouseTrackListener(new MouseTrackAdapter() { | |
589 | @Override | |
590 | public void mouseEnter(MouseEvent e) { | |
591 | if (fTimeGraphViewer.getTimeGraphControl().isFocusControl()) { | |
592 | fTreeViewer.getControl().setFocus(); | |
593 | } | |
594 | } | |
595 | }); | |
596 | ||
597 | // ensure the time graph has focus control when mouse is over it if the tree had control | |
598 | fTimeGraphViewer.getTimeGraphControl().addMouseTrackListener(new MouseTrackAdapter() { | |
599 | @Override | |
600 | public void mouseEnter(MouseEvent e) { | |
601 | if (fTreeViewer.getControl().isFocusControl()) { | |
602 | fTimeGraphViewer.getTimeGraphControl().setFocus(); | |
603 | } | |
604 | } | |
605 | }); | |
606 | fTimeGraphViewer.getTimeGraphScale().addMouseTrackListener(new MouseTrackAdapter() { | |
607 | @Override | |
608 | public void mouseEnter(MouseEvent e) { | |
609 | if (fTreeViewer.getControl().isFocusControl()) { | |
610 | fTimeGraphViewer.getTimeGraphControl().setFocus(); | |
611 | } | |
612 | } | |
613 | }); | |
614 | ||
615 | // The filler rows are required to ensure alignment when the tree does not have a | |
616 | // visible horizontal scroll bar. The tree does not allow its top item to be set | |
617 | // to a value that would cause blank space to be drawn at the bottom of the tree. | |
618 | fNumFillerRows = Display.getDefault().getBounds().height / getItemHeight(tree); | |
619 | ||
4999a196 | 620 | sash.setWeights(weights); |
837a2f8c PT |
621 | } |
622 | ||
623 | // ------------------------------------------------------------------------ | |
624 | // Accessors | |
625 | // ------------------------------------------------------------------------ | |
626 | ||
627 | /** | |
628 | * Returns this time graph combo's tree viewer. | |
629 | * | |
630 | * @return the tree viewer | |
631 | */ | |
632 | public TreeViewer getTreeViewer() { | |
633 | return fTreeViewer; | |
634 | } | |
635 | ||
636 | /** | |
637 | * Returns this time graph combo's time graph viewer. | |
638 | * | |
639 | * @return the time graph viewer | |
640 | */ | |
dfa0ef96 | 641 | public @NonNull TimeGraphViewer getTimeGraphViewer() { |
837a2f8c PT |
642 | return fTimeGraphViewer; |
643 | } | |
644 | ||
6ac5a950 AM |
645 | /** |
646 | * Callback for the show filter action | |
6ac5a950 AM |
647 | */ |
648 | public void showFilterDialog() { | |
4c9c0c87 PT |
649 | ITimeGraphEntry[] topInput = fTimeGraphViewer.getTimeGraphContentProvider().getElements(fTimeGraphViewer.getInput()); |
650 | if (topInput != null) { | |
651 | List<? extends ITimeGraphEntry> allElements = listAllInputs(Arrays.asList(topInput)); | |
652 | fFilterDialog.setInput(fTimeGraphViewer.getInput()); | |
6ac5a950 AM |
653 | fFilterDialog.setTitle(Messages.TmfTimeFilterDialog_WINDOW_TITLE); |
654 | fFilterDialog.setMessage(Messages.TmfTimeFilterDialog_MESSAGE); | |
8f28f9d8 | 655 | fFilterDialog.setExpandedElements(allElements.toArray()); |
f8840316 | 656 | if (fFilter.getFiltered() != null) { |
507b1336 | 657 | ArrayList<? extends ITimeGraphEntry> nonFilteredElements = new ArrayList<>(allElements); |
f8840316 FR |
658 | nonFilteredElements.removeAll(fFilter.getFiltered()); |
659 | fFilterDialog.setInitialElementSelections(nonFilteredElements); | |
8f28f9d8 PT |
660 | } else { |
661 | fFilterDialog.setInitialElementSelections(allElements); | |
662 | } | |
6ac5a950 AM |
663 | fFilterDialog.create(); |
664 | fFilterDialog.open(); | |
665 | // Process selected elements | |
666 | if (fFilterDialog.getResult() != null) { | |
667 | fInhibitTreeSelection = true; | |
8f28f9d8 | 668 | if (fFilterDialog.getResult().length != allElements.size()) { |
f8840316 FR |
669 | ArrayList<Object> filteredElements = new ArrayList<Object>(allElements); |
670 | filteredElements.removeAll(Arrays.asList(fFilterDialog.getResult())); | |
671 | fFilter.setFiltered(filteredElements); | |
8f28f9d8 | 672 | } else { |
f8840316 | 673 | fFilter.setFiltered(null); |
8f28f9d8 | 674 | } |
6ac5a950 AM |
675 | fTreeViewer.refresh(); |
676 | fTreeViewer.expandAll(); | |
677 | fTimeGraphViewer.refresh(); | |
ece2fc5f | 678 | fTimeGraphViewer.expandAll(); |
6ac5a950 | 679 | fInhibitTreeSelection = false; |
588dff10 | 680 | alignTreeItems(true); |
40b7b614 | 681 | // Reset selection |
6ac5a950 | 682 | if (fFilterDialog.getResult().length > 0) { |
40b7b614 | 683 | setSelection(null); |
6ac5a950 AM |
684 | } |
685 | } | |
686 | } | |
687 | } | |
688 | ||
689 | /** | |
690 | * Get the show filter action. | |
691 | * | |
692 | * @return The Action object | |
6ac5a950 AM |
693 | */ |
694 | public Action getShowFilterAction() { | |
695 | if (showFilterAction == null) { | |
696 | // showFilter | |
697 | showFilterAction = new Action() { | |
698 | @Override | |
699 | public void run() { | |
700 | showFilterDialog(); | |
701 | } | |
702 | }; | |
703 | showFilterAction.setText(Messages.TmfTimeGraphCombo_FilterActionNameText); | |
704 | showFilterAction.setToolTipText(Messages.TmfTimeGraphCombo_FilterActionToolTipText); | |
705 | // TODO find a nice, distinctive icon | |
706 | showFilterAction.setImageDescriptor(Activator.getDefault().getImageDescripterFromPath(ITmfImageConstants.IMG_UI_FILTERS)); | |
707 | } | |
708 | ||
709 | return showFilterAction; | |
710 | } | |
711 | ||
837a2f8c PT |
712 | // ------------------------------------------------------------------------ |
713 | // Control | |
714 | // ------------------------------------------------------------------------ | |
715 | ||
837a2f8c PT |
716 | @Override |
717 | public void redraw() { | |
718 | fTimeGraphViewer.getControl().redraw(); | |
719 | super.redraw(); | |
720 | } | |
721 | ||
722 | // ------------------------------------------------------------------------ | |
723 | // Operations | |
724 | // ------------------------------------------------------------------------ | |
725 | ||
726 | /** | |
727 | * Sets the tree content provider used by this time graph combo. | |
728 | * | |
729 | * @param contentProvider the tree content provider | |
730 | */ | |
731 | public void setTreeContentProvider(ITreeContentProvider contentProvider) { | |
732 | fTreeViewer.setContentProvider(new TreeContentProviderWrapper(contentProvider)); | |
733 | } | |
734 | ||
735 | /** | |
736 | * Sets the tree label provider used by this time graph combo. | |
737 | * | |
738 | * @param labelProvider the tree label provider | |
739 | */ | |
740 | public void setTreeLabelProvider(ITableLabelProvider labelProvider) { | |
741 | fTreeViewer.setLabelProvider(new TreeLabelProviderWrapper(labelProvider)); | |
742 | } | |
743 | ||
6ac5a950 AM |
744 | /** |
745 | * Sets the tree content provider used by the filter dialog | |
746 | * | |
747 | * @param contentProvider the tree content provider | |
6ac5a950 AM |
748 | */ |
749 | public void setFilterContentProvider(ITreeContentProvider contentProvider) { | |
750 | fFilterDialog.setContentProvider(contentProvider); | |
751 | } | |
752 | ||
753 | /** | |
754 | * Sets the tree label provider used by the filter dialog | |
755 | * | |
756 | * @param labelProvider the tree label provider | |
6ac5a950 AM |
757 | */ |
758 | public void setFilterLabelProvider(ITableLabelProvider labelProvider) { | |
759 | fFilterDialog.setLabelProvider(labelProvider); | |
760 | } | |
761 | ||
837a2f8c PT |
762 | /** |
763 | * Sets the tree columns for this time graph combo. | |
764 | * | |
765 | * @param columnNames the tree column names | |
766 | */ | |
767 | public void setTreeColumns(String[] columnNames) { | |
768 | final Tree tree = fTreeViewer.getTree(); | |
769 | for (String columnName : columnNames) { | |
770 | TreeColumn column = new TreeColumn(tree, SWT.LEFT); | |
771 | column.setText(columnName); | |
772 | column.pack(); | |
773 | } | |
774 | } | |
775 | ||
6ac5a950 AM |
776 | /** |
777 | * Sets the tree columns for this time graph combo's filter dialog. | |
778 | * | |
779 | * @param columnNames the tree column names | |
6ac5a950 AM |
780 | */ |
781 | public void setFilterColumns(String[] columnNames) { | |
782 | fFilterDialog.setColumnNames(columnNames); | |
783 | } | |
784 | ||
837a2f8c | 785 | /** |
4c9c0c87 PT |
786 | * Sets the time graph content provider used by this time graph combo. |
787 | * | |
788 | * @param timeGraphContentProvider | |
789 | * the time graph content provider | |
4c9c0c87 PT |
790 | */ |
791 | public void setTimeGraphContentProvider(ITimeGraphContentProvider timeGraphContentProvider) { | |
792 | fTimeGraphViewer.setTimeGraphContentProvider(timeGraphContentProvider); | |
793 | } | |
794 | ||
795 | /** | |
796 | * Sets the time graph presentation provider used by this time graph combo. | |
837a2f8c PT |
797 | * |
798 | * @param timeGraphProvider the time graph provider | |
799 | */ | |
800 | public void setTimeGraphProvider(ITimeGraphPresentationProvider timeGraphProvider) { | |
801 | fTimeGraphViewer.setTimeGraphProvider(timeGraphProvider); | |
802 | } | |
803 | ||
804 | /** | |
805 | * Sets or clears the input for this time graph combo. | |
837a2f8c PT |
806 | * |
807 | * @param input the input of this time graph combo, or <code>null</code> if none | |
808 | */ | |
4c9c0c87 | 809 | public void setInput(Object input) { |
f8840316 | 810 | fFilter.setFiltered(null); |
837a2f8c PT |
811 | fInhibitTreeSelection = true; |
812 | fTreeViewer.setInput(input); | |
813 | for (SelectionListenerWrapper listenerWrapper : fSelectionListenerMap.values()) { | |
814 | listenerWrapper.selection = null; | |
815 | } | |
816 | fInhibitTreeSelection = false; | |
837a2f8c PT |
817 | fTreeViewer.getTree().getVerticalBar().setEnabled(false); |
818 | fTreeViewer.getTree().getVerticalBar().setVisible(false); | |
819 | fTimeGraphViewer.setItemHeight(getItemHeight(fTreeViewer.getTree())); | |
820 | fTimeGraphViewer.setInput(input); | |
588dff10 PT |
821 | // queue the alignment update because in Linux the item bounds are not |
822 | // set properly until the tree has been painted at least once | |
823 | fVisibleExpandedItems = null; // invalidate the cache | |
824 | getDisplay().asyncExec(new Runnable() { | |
825 | @Override | |
826 | public void run() { | |
827 | alignTreeItems(true); | |
828 | }}); | |
837a2f8c PT |
829 | } |
830 | ||
4c9c0c87 PT |
831 | /** |
832 | * Gets the input for this time graph combo. | |
833 | * | |
834 | * @return The input of this time graph combo, or <code>null</code> if none | |
4c9c0c87 PT |
835 | */ |
836 | public Object getInput() { | |
837 | return fTreeViewer.getInput(); | |
838 | } | |
839 | ||
bec1f1ac GB |
840 | /** |
841 | * Sets or clears the list of links to display on this combo | |
842 | * | |
843 | * @param links the links to display in this time graph combo | |
bec1f1ac GB |
844 | */ |
845 | public void setLinks(List<ILinkEvent> links) { | |
846 | fTimeGraphViewer.setLinks(links); | |
847 | } | |
848 | ||
6ac5a950 AM |
849 | /** |
850 | * @param filter The filter object to be attached to the view | |
6ac5a950 AM |
851 | */ |
852 | public void addFilter(ViewerFilter filter) { | |
853 | ViewerFilter wrapper = new ViewerFilterWrapper(filter); | |
854 | fTreeViewer.addFilter(wrapper); | |
855 | fTimeGraphViewer.addFilter(wrapper); | |
856 | fViewerFilterMap.put(filter, wrapper); | |
588dff10 | 857 | alignTreeItems(true); |
6ac5a950 AM |
858 | } |
859 | ||
860 | /** | |
861 | * @param filter The filter object to be removed from the view | |
6ac5a950 AM |
862 | */ |
863 | public void removeFilter(ViewerFilter filter) { | |
864 | ViewerFilter wrapper = fViewerFilterMap.get(filter); | |
865 | fTreeViewer.removeFilter(wrapper); | |
866 | fTimeGraphViewer.removeFilter(wrapper); | |
867 | fViewerFilterMap.remove(filter); | |
588dff10 | 868 | alignTreeItems(true); |
6ac5a950 AM |
869 | } |
870 | ||
837a2f8c PT |
871 | /** |
872 | * Refreshes this time graph completely with information freshly obtained from its model. | |
873 | */ | |
874 | public void refresh() { | |
875 | fInhibitTreeSelection = true; | |
4c9c0c87 | 876 | Tree tree = fTreeViewer.getTree(); |
ece2fc5f PT |
877 | try { |
878 | tree.setRedraw(false); | |
879 | fTreeViewer.refresh(); | |
880 | fTreeViewer.expandToLevel(fTreeViewer.getAutoExpandLevel()); | |
881 | } finally { | |
882 | tree.setRedraw(true); | |
883 | } | |
837a2f8c | 884 | fTimeGraphViewer.refresh(); |
588dff10 | 885 | alignTreeItems(true); |
837a2f8c PT |
886 | fInhibitTreeSelection = false; |
887 | } | |
888 | ||
889 | /** | |
890 | * Adds a listener for selection changes in this time graph combo. | |
891 | * | |
892 | * @param listener a selection listener | |
893 | */ | |
894 | public void addSelectionListener(ITimeGraphSelectionListener listener) { | |
895 | SelectionListenerWrapper listenerWrapper = new SelectionListenerWrapper(listener); | |
896 | fTreeViewer.addSelectionChangedListener(listenerWrapper); | |
897 | fSelectionListenerMap.put(listener, listenerWrapper); | |
898 | fTimeGraphViewer.addSelectionListener(listenerWrapper); | |
899 | } | |
900 | ||
901 | /** | |
902 | * Removes the given selection listener from this time graph combo. | |
903 | * | |
904 | * @param listener a selection changed listener | |
905 | */ | |
906 | public void removeSelectionListener(ITimeGraphSelectionListener listener) { | |
907 | SelectionListenerWrapper listenerWrapper = fSelectionListenerMap.remove(listener); | |
908 | fTreeViewer.removeSelectionChangedListener(listenerWrapper); | |
909 | fTimeGraphViewer.removeSelectionListener(listenerWrapper); | |
910 | } | |
911 | ||
912 | /** | |
913 | * Sets the current selection for this time graph combo. | |
914 | * | |
915 | * @param selection the new selection | |
916 | */ | |
917 | public void setSelection(ITimeGraphEntry selection) { | |
918 | fTimeGraphViewer.setSelection(selection); | |
919 | fInhibitTreeSelection = true; // block the tree selection changed listener | |
920 | if (selection != null) { | |
921 | StructuredSelection structuredSelection = new StructuredSelection(selection); | |
922 | fTreeViewer.setSelection(structuredSelection); | |
923 | } else { | |
924 | fTreeViewer.setSelection(new StructuredSelection()); | |
925 | } | |
926 | fInhibitTreeSelection = false; | |
588dff10 | 927 | alignTreeItems(false); |
837a2f8c PT |
928 | } |
929 | ||
f4617471 PT |
930 | /** |
931 | * Sets the auto-expand level to be used when the input of the viewer is set | |
932 | * using {@link #setInput(Object)}. The value 0 means that there is no | |
933 | * auto-expand; 1 means that top-level elements are expanded, but not their | |
934 | * children; 2 means that top-level elements are expanded, and their | |
935 | * children, but not grand-children; and so on. | |
936 | * <p> | |
937 | * The value {@link #ALL_LEVELS} means that all subtrees should be expanded. | |
938 | * </p> | |
939 | * @param level | |
940 | * non-negative level, or <code>ALL_LEVELS</code> to expand all | |
941 | * levels of the tree | |
f4617471 PT |
942 | */ |
943 | public void setAutoExpandLevel(int level) { | |
944 | fTimeGraphViewer.setAutoExpandLevel(level); | |
945 | if (level <= 0) { | |
946 | fTreeViewer.setAutoExpandLevel(level); | |
947 | } else { | |
948 | fTreeViewer.setAutoExpandLevel(level + 1); | |
949 | } | |
950 | } | |
951 | ||
952 | /** | |
953 | * Returns the auto-expand level. | |
954 | * | |
955 | * @return non-negative level, or <code>ALL_LEVELS</code> if all levels of | |
956 | * the tree are expanded automatically | |
957 | * @see #setAutoExpandLevel | |
f4617471 PT |
958 | */ |
959 | public int getAutoExpandLevel() { | |
960 | return fTimeGraphViewer.getAutoExpandLevel(); | |
961 | } | |
962 | ||
837a2f8c PT |
963 | /** |
964 | * Set the expanded state of an entry | |
965 | * | |
966 | * @param entry | |
967 | * The entry to expand/collapse | |
968 | * @param expanded | |
969 | * True for expanded, false for collapsed | |
837a2f8c PT |
970 | */ |
971 | public void setExpandedState(ITimeGraphEntry entry, boolean expanded) { | |
972 | fTimeGraphViewer.setExpandedState(entry, expanded); | |
973 | fTreeViewer.setExpandedState(entry, expanded); | |
588dff10 | 974 | alignTreeItems(true); |
837a2f8c PT |
975 | } |
976 | ||
977 | /** | |
978 | * Collapses all nodes of the viewer's tree, starting with the root. | |
837a2f8c PT |
979 | */ |
980 | public void collapseAll() { | |
981 | fTimeGraphViewer.collapseAll(); | |
982 | fTreeViewer.collapseAll(); | |
588dff10 | 983 | alignTreeItems(true); |
837a2f8c PT |
984 | } |
985 | ||
986 | /** | |
987 | * Expands all nodes of the viewer's tree, starting with the root. | |
837a2f8c PT |
988 | */ |
989 | public void expandAll() { | |
990 | fTimeGraphViewer.expandAll(); | |
991 | fTreeViewer.expandAll(); | |
588dff10 | 992 | alignTreeItems(true); |
837a2f8c PT |
993 | } |
994 | ||
995 | // ------------------------------------------------------------------------ | |
996 | // Internal | |
997 | // ------------------------------------------------------------------------ | |
998 | ||
588dff10 PT |
999 | private List<TreeItem> getVisibleExpandedItems(Tree tree, boolean refresh) { |
1000 | if (fVisibleExpandedItems == null || refresh) { | |
1001 | ArrayList<TreeItem> items = new ArrayList<>(); | |
1002 | for (TreeItem item : tree.getItems()) { | |
1003 | if (item.getData() == FILLER) { | |
1004 | break; | |
1005 | } | |
1006 | items.add(item); | |
1007 | if (item.getExpanded()) { | |
1008 | addVisibleExpandedItems(items, item); | |
1009 | } | |
837a2f8c | 1010 | } |
588dff10 | 1011 | fVisibleExpandedItems = items; |
837a2f8c | 1012 | } |
588dff10 | 1013 | return fVisibleExpandedItems; |
837a2f8c PT |
1014 | } |
1015 | ||
588dff10 | 1016 | private void addVisibleExpandedItems(List<TreeItem> items, TreeItem treeItem) { |
837a2f8c PT |
1017 | for (TreeItem item : treeItem.getItems()) { |
1018 | items.add(item); | |
1019 | if (item.getExpanded()) { | |
588dff10 | 1020 | addVisibleExpandedItems(items, item); |
837a2f8c PT |
1021 | } |
1022 | } | |
837a2f8c PT |
1023 | } |
1024 | ||
6ac5a950 AM |
1025 | /** |
1026 | * Explores the list of top-level inputs and returns all the inputs | |
1027 | * | |
1028 | * @param inputs The top-level inputs | |
1029 | * @return All the inputs | |
1030 | */ | |
1031 | private List<? extends ITimeGraphEntry> listAllInputs(List<? extends ITimeGraphEntry> inputs) { | |
507b1336 | 1032 | ArrayList<ITimeGraphEntry> items = new ArrayList<>(); |
6ac5a950 AM |
1033 | for (ITimeGraphEntry entry : inputs) { |
1034 | items.add(entry); | |
1035 | if (entry.hasChildren()) { | |
1036 | items.addAll(listAllInputs(entry.getChildren())); | |
1037 | } | |
1038 | } | |
1039 | return items; | |
1040 | } | |
1041 | ||
837a2f8c PT |
1042 | private int getItemHeight(final Tree tree) { |
1043 | /* | |
1044 | * Bug in Linux. The method getItemHeight doesn't always return the correct value. | |
1045 | */ | |
1046 | if (fLinuxItemHeight >= 0 && System.getProperty("os.name").contains("Linux")) { //$NON-NLS-1$ //$NON-NLS-2$ | |
1047 | if (fLinuxItemHeight != 0) { | |
1048 | return fLinuxItemHeight; | |
1049 | } | |
588dff10 | 1050 | List<TreeItem> treeItems = getVisibleExpandedItems(tree, true); |
837a2f8c PT |
1051 | if (treeItems.size() > 1) { |
1052 | final TreeItem treeItem0 = treeItems.get(0); | |
1053 | final TreeItem treeItem1 = treeItems.get(1); | |
1054 | PaintListener paintListener = new PaintListener() { | |
1055 | @Override | |
1056 | public void paintControl(PaintEvent e) { | |
1057 | tree.removePaintListener(this); | |
1058 | int y0 = treeItem0.getBounds().y; | |
1059 | int y1 = treeItem1.getBounds().y; | |
1060 | int itemHeight = y1 - y0; | |
1061 | if (itemHeight > 0) { | |
1062 | fLinuxItemHeight = itemHeight; | |
1063 | fTimeGraphViewer.setItemHeight(itemHeight); | |
1064 | } | |
1065 | } | |
1066 | }; | |
1067 | tree.addPaintListener(paintListener); | |
1068 | } | |
1069 | } else { | |
1070 | fLinuxItemHeight = -1; // Not Linux, don't perform os.name check anymore | |
1071 | } | |
1072 | return tree.getItemHeight(); | |
1073 | } | |
1074 | ||
588dff10 PT |
1075 | private void alignTreeItems(boolean refreshExpandedItems) { |
1076 | // align the tree top item with the time graph top item | |
1077 | Tree tree = fTreeViewer.getTree(); | |
1078 | List<TreeItem> treeItems = getVisibleExpandedItems(tree, refreshExpandedItems); | |
1079 | int topIndex = fTimeGraphViewer.getTopIndex(); | |
1080 | if (topIndex >= treeItems.size()) { | |
1081 | return; | |
1082 | } | |
1083 | TreeItem item = treeItems.get(topIndex); | |
1084 | tree.setTopItem(item); | |
1085 | ||
1086 | // ensure the time graph item heights are equal to the tree item heights | |
1087 | int treeHeight = fTreeViewer.getTree().getBounds().height; | |
1088 | int index = topIndex; | |
1089 | Rectangle bounds = item.getBounds(); | |
1090 | while (index < treeItems.size() - 1) { | |
1091 | if (bounds.y > treeHeight) { | |
1092 | break; | |
1093 | } | |
1094 | /* | |
1095 | * Bug in Linux. The method getBounds doesn't always return the correct height. | |
1096 | * Use the difference of y position between items to calculate the height. | |
1097 | */ | |
1098 | TreeItem nextItem = treeItems.get(index + 1); | |
1099 | Rectangle nextBounds = nextItem.getBounds(); | |
1100 | Integer itemHeight = nextBounds.y - bounds.y; | |
1101 | if (itemHeight > 0 && !itemHeight.equals(item.getData(ITEM_HEIGHT))) { | |
1102 | ITimeGraphEntry entry = (ITimeGraphEntry) item.getData(); | |
1103 | if (fTimeGraphViewer.getTimeGraphControl().setItemHeight(entry, itemHeight)) { | |
1104 | item.setData(ITEM_HEIGHT, itemHeight); | |
1105 | } | |
1106 | } | |
1107 | index++; | |
1108 | item = nextItem; | |
1109 | bounds = nextBounds; | |
1110 | } | |
1111 | } | |
1112 | ||
837a2f8c | 1113 | } |