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