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837a2f8c | 1 | /******************************************************************************* |
f8840316 | 2 | * Copyright (c) 2012, 2013 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 | ||
15 | package org.eclipse.linuxtools.tmf.ui.widgets.timegraph; | |
16 | ||
17 | import java.util.ArrayList; | |
18 | import java.util.Arrays; | |
19 | import java.util.HashMap; | |
6ac5a950 AM |
20 | import java.util.List; |
21 | import java.util.Map; | |
837a2f8c | 22 | |
6ac5a950 | 23 | import org.eclipse.jface.action.Action; |
837a2f8c PT |
24 | import org.eclipse.jface.viewers.ILabelProviderListener; |
25 | import org.eclipse.jface.viewers.ISelectionChangedListener; | |
26 | import org.eclipse.jface.viewers.IStructuredSelection; | |
27 | import org.eclipse.jface.viewers.ITableLabelProvider; | |
28 | import org.eclipse.jface.viewers.ITreeContentProvider; | |
29 | import org.eclipse.jface.viewers.ITreeViewerListener; | |
30 | import org.eclipse.jface.viewers.SelectionChangedEvent; | |
31 | import org.eclipse.jface.viewers.StructuredSelection; | |
32 | import org.eclipse.jface.viewers.TreeExpansionEvent; | |
33 | import org.eclipse.jface.viewers.TreeViewer; | |
34 | import org.eclipse.jface.viewers.Viewer; | |
6ac5a950 AM |
35 | import org.eclipse.jface.viewers.ViewerFilter; |
36 | import org.eclipse.linuxtools.internal.tmf.ui.Activator; | |
37 | import org.eclipse.linuxtools.internal.tmf.ui.ITmfImageConstants; | |
38 | import org.eclipse.linuxtools.internal.tmf.ui.Messages; | |
39 | import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.dialogs.TimeGraphFilterDialog; | |
bec1f1ac | 40 | import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ILinkEvent; |
837a2f8c PT |
41 | import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeGraphEntry; |
42 | import org.eclipse.swt.SWT; | |
43 | import org.eclipse.swt.custom.SashForm; | |
44 | import org.eclipse.swt.events.ControlAdapter; | |
45 | import org.eclipse.swt.events.ControlEvent; | |
46 | import org.eclipse.swt.events.MouseEvent; | |
47 | import org.eclipse.swt.events.MouseTrackAdapter; | |
48 | import org.eclipse.swt.events.MouseWheelListener; | |
49 | import org.eclipse.swt.events.PaintEvent; | |
50 | import org.eclipse.swt.events.PaintListener; | |
51 | import org.eclipse.swt.events.SelectionAdapter; | |
52 | import org.eclipse.swt.events.SelectionEvent; | |
53 | import org.eclipse.swt.graphics.Image; | |
54 | import org.eclipse.swt.graphics.Point; | |
55 | import org.eclipse.swt.layout.FillLayout; | |
56 | import org.eclipse.swt.widgets.Composite; | |
57 | import org.eclipse.swt.widgets.Display; | |
58 | import org.eclipse.swt.widgets.Event; | |
59 | import org.eclipse.swt.widgets.Listener; | |
60 | import org.eclipse.swt.widgets.Slider; | |
61 | import org.eclipse.swt.widgets.Tree; | |
62 | import org.eclipse.swt.widgets.TreeColumn; | |
63 | import org.eclipse.swt.widgets.TreeItem; | |
64 | ||
65 | /** | |
66 | * Time graph "combo" view (with the list/tree on the left and the gantt chart | |
67 | * on the right) | |
68 | * | |
69 | * @version 1.0 | |
70 | * @author Patrick Tasse | |
71 | */ | |
72 | public class TimeGraphCombo extends Composite { | |
73 | ||
74 | // ------------------------------------------------------------------------ | |
75 | // Constants | |
76 | // ------------------------------------------------------------------------ | |
77 | ||
78 | private static final Object FILLER = new Object(); | |
79 | ||
80 | // ------------------------------------------------------------------------ | |
81 | // Fields | |
82 | // ------------------------------------------------------------------------ | |
83 | ||
4999a196 | 84 | /** The tree viewer */ |
837a2f8c PT |
85 | private TreeViewer fTreeViewer; |
86 | ||
4999a196 | 87 | /** The time viewer */ |
837a2f8c PT |
88 | private TimeGraphViewer fTimeGraphViewer; |
89 | ||
4999a196 | 90 | /** The top-level input (children excluded) */ |
6ac5a950 AM |
91 | private List<? extends ITimeGraphEntry> fTopInput; |
92 | ||
4999a196 | 93 | /** The selection listener map */ |
f1fae91f | 94 | private final Map<ITimeGraphSelectionListener, SelectionListenerWrapper> fSelectionListenerMap = new HashMap<ITimeGraphSelectionListener, SelectionListenerWrapper>(); |
837a2f8c | 95 | |
4999a196 | 96 | /** The map of viewer filters */ |
6ac5a950 AM |
97 | private final Map<ViewerFilter, ViewerFilter> fViewerFilterMap = new HashMap<ViewerFilter, ViewerFilter>(); |
98 | ||
4999a196 GB |
99 | /** |
100 | * Flag to block the tree selection changed listener when triggered by the | |
101 | * time graph combo | |
102 | */ | |
837a2f8c PT |
103 | private boolean fInhibitTreeSelection = false; |
104 | ||
4999a196 | 105 | /** Number of filler rows used by the tree content provider */ |
837a2f8c PT |
106 | private int fNumFillerRows; |
107 | ||
4999a196 | 108 | /** Calculated item height for Linux workaround */ |
837a2f8c PT |
109 | private int fLinuxItemHeight = 0; |
110 | ||
4999a196 | 111 | /** The button that opens the filter dialog */ |
6ac5a950 AM |
112 | private Action showFilterAction; |
113 | ||
4999a196 | 114 | /** The filter dialog */ |
6ac5a950 AM |
115 | private TimeGraphFilterDialog fFilterDialog; |
116 | ||
4999a196 | 117 | /** The filter generated from the filter dialog */ |
6ac5a950 AM |
118 | private RawViewerFilter fFilter; |
119 | ||
4999a196 GB |
120 | /** Default weight of each part of the sash */ |
121 | private static final int[] DEFAULT_WEIGHTS = { 1, 1 }; | |
122 | ||
837a2f8c PT |
123 | // ------------------------------------------------------------------------ |
124 | // Classes | |
125 | // ------------------------------------------------------------------------ | |
126 | ||
127 | /** | |
128 | * The TreeContentProviderWrapper is used to insert filler items after | |
129 | * the elements of the tree's real content provider. | |
130 | */ | |
131 | private class TreeContentProviderWrapper implements ITreeContentProvider { | |
132 | private final ITreeContentProvider contentProvider; | |
133 | ||
134 | public TreeContentProviderWrapper(ITreeContentProvider contentProvider) { | |
135 | this.contentProvider = contentProvider; | |
136 | } | |
137 | ||
138 | @Override | |
139 | public void dispose() { | |
140 | contentProvider.dispose(); | |
141 | } | |
142 | ||
143 | @Override | |
144 | public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { | |
145 | contentProvider.inputChanged(viewer, oldInput, newInput); | |
146 | } | |
147 | ||
148 | @Override | |
149 | public Object[] getElements(Object inputElement) { | |
150 | Object[] elements = contentProvider.getElements(inputElement); | |
151 | // add filler elements to ensure alignment with time analysis viewer | |
f1fae91f | 152 | Object[] oElements = Arrays.copyOf(elements, elements.length + fNumFillerRows, Object[].class); |
837a2f8c PT |
153 | for (int i = 0; i < fNumFillerRows; i++) { |
154 | oElements[elements.length + i] = FILLER; | |
155 | } | |
156 | return oElements; | |
157 | } | |
158 | ||
159 | @Override | |
160 | public Object[] getChildren(Object parentElement) { | |
161 | if (parentElement instanceof ITimeGraphEntry) { | |
162 | return contentProvider.getChildren(parentElement); | |
163 | } | |
164 | return new Object[0]; | |
165 | } | |
166 | ||
167 | @Override | |
168 | public Object getParent(Object element) { | |
169 | if (element instanceof ITimeGraphEntry) { | |
170 | return contentProvider.getParent(element); | |
171 | } | |
172 | return null; | |
173 | } | |
174 | ||
175 | @Override | |
176 | public boolean hasChildren(Object element) { | |
177 | if (element instanceof ITimeGraphEntry) { | |
178 | return contentProvider.hasChildren(element); | |
179 | } | |
180 | return false; | |
181 | } | |
182 | } | |
183 | ||
184 | /** | |
185 | * The TreeLabelProviderWrapper is used to intercept the filler items | |
186 | * from the calls to the tree's real label provider. | |
187 | */ | |
188 | private class TreeLabelProviderWrapper implements ITableLabelProvider { | |
189 | private final ITableLabelProvider labelProvider; | |
190 | ||
191 | public TreeLabelProviderWrapper(ITableLabelProvider labelProvider) { | |
192 | this.labelProvider = labelProvider; | |
193 | } | |
194 | ||
195 | @Override | |
196 | public void addListener(ILabelProviderListener listener) { | |
197 | labelProvider.addListener(listener); | |
198 | } | |
199 | ||
200 | @Override | |
201 | public void dispose() { | |
202 | labelProvider.dispose(); | |
203 | } | |
204 | ||
205 | @Override | |
206 | public boolean isLabelProperty(Object element, String property) { | |
207 | if (element instanceof ITimeGraphEntry) { | |
208 | return labelProvider.isLabelProperty(element, property); | |
209 | } | |
210 | return false; | |
211 | } | |
212 | ||
213 | @Override | |
214 | public void removeListener(ILabelProviderListener listener) { | |
215 | labelProvider.removeListener(listener); | |
216 | } | |
217 | ||
218 | @Override | |
219 | public Image getColumnImage(Object element, int columnIndex) { | |
220 | if (element instanceof ITimeGraphEntry) { | |
221 | return labelProvider.getColumnImage(element, columnIndex); | |
222 | } | |
223 | return null; | |
224 | } | |
225 | ||
226 | @Override | |
227 | public String getColumnText(Object element, int columnIndex) { | |
228 | if (element instanceof ITimeGraphEntry) { | |
229 | return labelProvider.getColumnText(element, columnIndex); | |
230 | } | |
231 | return null; | |
232 | } | |
233 | ||
234 | } | |
235 | ||
236 | /** | |
237 | * The SelectionListenerWrapper is used to intercept the filler items from | |
238 | * the time graph combo's real selection listener, and to prevent double | |
239 | * notifications from being sent when selection changes in both tree and | |
240 | * time graph at the same time. | |
241 | */ | |
242 | private class SelectionListenerWrapper implements ISelectionChangedListener, ITimeGraphSelectionListener { | |
243 | private final ITimeGraphSelectionListener listener; | |
244 | private ITimeGraphEntry selection = null; | |
245 | ||
246 | public SelectionListenerWrapper(ITimeGraphSelectionListener listener) { | |
247 | this.listener = listener; | |
248 | } | |
249 | ||
250 | @Override | |
251 | public void selectionChanged(SelectionChangedEvent event) { | |
252 | if (fInhibitTreeSelection) { | |
253 | return; | |
254 | } | |
255 | Object element = ((IStructuredSelection) event.getSelection()).getFirstElement(); | |
256 | if (element instanceof ITimeGraphEntry) { | |
257 | ITimeGraphEntry entry = (ITimeGraphEntry) element; | |
258 | if (entry != selection) { | |
259 | selection = entry; | |
260 | listener.selectionChanged(new TimeGraphSelectionEvent(event.getSource(), selection)); | |
261 | } | |
262 | } | |
263 | } | |
264 | ||
265 | @Override | |
266 | public void selectionChanged(TimeGraphSelectionEvent event) { | |
267 | ITimeGraphEntry entry = event.getSelection(); | |
268 | if (entry != selection) { | |
269 | selection = entry; | |
270 | listener.selectionChanged(new TimeGraphSelectionEvent(event.getSource(), selection)); | |
271 | } | |
272 | } | |
273 | } | |
274 | ||
6ac5a950 AM |
275 | /** |
276 | * The ViewerFilterWrapper is used to intercept the filler items from | |
277 | * the time graph combo's real ViewerFilters. These filler items should | |
278 | * always be visible. | |
279 | */ | |
280 | private class ViewerFilterWrapper extends ViewerFilter { | |
281 | ||
f1fae91f | 282 | private ViewerFilter fWrappedFilter; |
6ac5a950 AM |
283 | |
284 | ViewerFilterWrapper(ViewerFilter filter) { | |
285 | super(); | |
286 | this.fWrappedFilter = filter; | |
287 | } | |
288 | ||
289 | @Override | |
290 | public boolean select(Viewer viewer, Object parentElement, Object element) { | |
291 | if (element instanceof ITimeGraphEntry) { | |
292 | return fWrappedFilter.select(viewer, parentElement, element); | |
293 | } | |
294 | return true; | |
295 | } | |
296 | ||
297 | } | |
298 | ||
299 | /** | |
f8840316 FR |
300 | * This filter simply keeps a list of elements that should be filtered out. |
301 | * All the other elements will be shown. | |
8f28f9d8 | 302 | * By default and when the list is set to null, all elements are shown. |
6ac5a950 AM |
303 | */ |
304 | private class RawViewerFilter extends ViewerFilter { | |
305 | ||
f8840316 | 306 | private List<Object> fFiltered = null; |
6ac5a950 | 307 | |
f8840316 FR |
308 | public void setFiltered(List<Object> objects) { |
309 | fFiltered = objects; | |
6ac5a950 AM |
310 | } |
311 | ||
f8840316 FR |
312 | public List<Object> getFiltered() { |
313 | return fFiltered; | |
6ac5a950 AM |
314 | } |
315 | ||
316 | @Override | |
317 | public boolean select(Viewer viewer, Object parentElement, Object element) { | |
f8840316 | 318 | if (fFiltered == null) { |
8f28f9d8 PT |
319 | return true; |
320 | } | |
f8840316 | 321 | return !fFiltered.contains(element); |
6ac5a950 AM |
322 | } |
323 | } | |
324 | ||
837a2f8c PT |
325 | // ------------------------------------------------------------------------ |
326 | // Constructors | |
327 | // ------------------------------------------------------------------------ | |
328 | ||
329 | /** | |
330 | * Constructs a new instance of this class given its parent | |
331 | * and a style value describing its behavior and appearance. | |
332 | * | |
333 | * @param parent a widget which will be the parent of the new instance (cannot be null) | |
334 | * @param style the style of widget to construct | |
335 | */ | |
336 | public TimeGraphCombo(Composite parent, int style) { | |
4999a196 GB |
337 | this(parent, style, DEFAULT_WEIGHTS); |
338 | } | |
339 | ||
340 | /** | |
341 | * Constructs a new instance of this class given its parent and a style | |
342 | * value describing its behavior and appearance. | |
343 | * | |
344 | * @param parent | |
345 | * a widget which will be the parent of the new instance (cannot | |
346 | * be null) | |
347 | * @param style | |
348 | * the style of widget to construct | |
349 | * @param weights | |
350 | * The relative weights of each side of the sash form | |
351 | * @since 2.1 | |
352 | */ | |
353 | public TimeGraphCombo(Composite parent, int style, int[] weights) { | |
837a2f8c PT |
354 | super(parent, style); |
355 | setLayout(new FillLayout()); | |
356 | ||
357 | final SashForm sash = new SashForm(this, SWT.NONE); | |
358 | ||
359 | fTreeViewer = new TreeViewer(sash, SWT.FULL_SELECTION | SWT.H_SCROLL); | |
360 | final Tree tree = fTreeViewer.getTree(); | |
361 | tree.setHeaderVisible(true); | |
362 | tree.setLinesVisible(true); | |
363 | ||
364 | fTimeGraphViewer = new TimeGraphViewer(sash, SWT.NONE); | |
365 | fTimeGraphViewer.setItemHeight(getItemHeight(tree)); | |
366 | fTimeGraphViewer.setHeaderHeight(tree.getHeaderHeight()); | |
367 | fTimeGraphViewer.setBorderWidth(tree.getBorderWidth()); | |
368 | fTimeGraphViewer.setNameWidthPref(0); | |
369 | ||
6ac5a950 AM |
370 | fFilter = new RawViewerFilter(); |
371 | addFilter(fFilter); | |
372 | ||
373 | fFilterDialog = new TimeGraphFilterDialog(getShell()); | |
374 | ||
837a2f8c PT |
375 | // Feature in Windows. The tree vertical bar reappears when |
376 | // the control is resized so we need to hide it again. | |
377 | // Bug in Linux. The tree header height is 0 in constructor, | |
378 | // so we need to reset it later when the control is resized. | |
379 | tree.addControlListener(new ControlAdapter() { | |
f1fae91f | 380 | private int depth = 0; |
837a2f8c PT |
381 | @Override |
382 | public void controlResized(ControlEvent e) { | |
383 | if (depth == 0) { | |
384 | depth++; | |
385 | tree.getVerticalBar().setEnabled(false); | |
386 | // this can trigger controlResized recursively | |
387 | tree.getVerticalBar().setVisible(false); | |
388 | depth--; | |
389 | } | |
390 | fTimeGraphViewer.setHeaderHeight(tree.getHeaderHeight()); | |
391 | } | |
392 | }); | |
393 | ||
394 | // ensure synchronization of expanded items between tree and time graph | |
395 | fTreeViewer.addTreeListener(new ITreeViewerListener() { | |
396 | @Override | |
397 | public void treeCollapsed(TreeExpansionEvent event) { | |
398 | fTimeGraphViewer.setExpandedState((ITimeGraphEntry) event.getElement(), false); | |
f1fae91f | 399 | List<TreeItem> treeItems = getVisibleExpandedItems(tree); |
837a2f8c PT |
400 | if (treeItems.size() == 0) { |
401 | return; | |
402 | } | |
403 | TreeItem treeItem = treeItems.get(fTimeGraphViewer.getTopIndex()); | |
404 | tree.setTopItem(treeItem); | |
405 | } | |
406 | ||
407 | @Override | |
408 | public void treeExpanded(TreeExpansionEvent event) { | |
e7708b02 PT |
409 | ITimeGraphEntry entry = (ITimeGraphEntry) event.getElement(); |
410 | fTimeGraphViewer.setExpandedState(entry, true); | |
411 | for (ITimeGraphEntry child : entry.getChildren()) { | |
412 | boolean expanded = fTreeViewer.getExpandedState(child); | |
413 | fTimeGraphViewer.setExpandedState(child, expanded); | |
414 | } | |
f1fae91f | 415 | List<TreeItem> treeItems = getVisibleExpandedItems(tree); |
837a2f8c PT |
416 | if (treeItems.size() == 0) { |
417 | return; | |
418 | } | |
419 | final TreeItem treeItem = treeItems.get(fTimeGraphViewer.getTopIndex()); | |
420 | // queue the top item update because the tree can change its top item | |
421 | // autonomously immediately after the listeners have been notified | |
422 | getDisplay().asyncExec(new Runnable() { | |
423 | @Override | |
424 | public void run() { | |
425 | tree.setTopItem(treeItem); | |
426 | }}); | |
427 | } | |
428 | }); | |
429 | ||
430 | // ensure synchronization of expanded items between tree and time graph | |
431 | fTimeGraphViewer.addTreeListener(new ITimeGraphTreeListener() { | |
432 | @Override | |
433 | public void treeCollapsed(TimeGraphTreeExpansionEvent event) { | |
434 | fTreeViewer.setExpandedState(event.getEntry(), false); | |
435 | } | |
436 | ||
437 | @Override | |
438 | public void treeExpanded(TimeGraphTreeExpansionEvent event) { | |
e7708b02 PT |
439 | ITimeGraphEntry entry = event.getEntry(); |
440 | fTreeViewer.setExpandedState(entry, true); | |
441 | for (ITimeGraphEntry child : entry.getChildren()) { | |
442 | boolean expanded = fTreeViewer.getExpandedState(child); | |
443 | fTimeGraphViewer.setExpandedState(child, expanded); | |
444 | } | |
837a2f8c PT |
445 | } |
446 | }); | |
447 | ||
448 | // prevent mouse button from selecting a filler tree item | |
449 | tree.addListener(SWT.MouseDown, new Listener() { | |
450 | @Override | |
451 | public void handleEvent(Event event) { | |
452 | TreeItem treeItem = tree.getItem(new Point(event.x, event.y)); | |
453 | if (treeItem == null || treeItem.getData() == FILLER) { | |
454 | event.doit = false; | |
f1fae91f | 455 | List<TreeItem> treeItems = getVisibleExpandedItems(tree); |
837a2f8c PT |
456 | if (treeItems.size() == 0) { |
457 | fTreeViewer.setSelection(new StructuredSelection()); | |
458 | fTimeGraphViewer.setSelection(null); | |
459 | return; | |
460 | } | |
461 | // this prevents from scrolling up when selecting | |
462 | // the partially visible tree item at the bottom | |
463 | tree.select(treeItems.get(treeItems.size() - 1)); | |
464 | fTreeViewer.setSelection(new StructuredSelection()); | |
465 | fTimeGraphViewer.setSelection(null); | |
466 | } | |
467 | } | |
468 | }); | |
469 | ||
470 | // prevent mouse wheel from scrolling down into filler tree items | |
471 | tree.addListener(SWT.MouseWheel, new Listener() { | |
472 | @Override | |
473 | public void handleEvent(Event event) { | |
474 | event.doit = false; | |
475 | Slider scrollBar = fTimeGraphViewer.getVerticalBar(); | |
476 | fTimeGraphViewer.setTopIndex(scrollBar.getSelection() - event.count); | |
f1fae91f | 477 | List<TreeItem> treeItems = getVisibleExpandedItems(tree); |
837a2f8c PT |
478 | if (treeItems.size() == 0) { |
479 | return; | |
480 | } | |
481 | TreeItem treeItem = treeItems.get(fTimeGraphViewer.getTopIndex()); | |
482 | tree.setTopItem(treeItem); | |
483 | } | |
484 | }); | |
485 | ||
486 | // prevent key stroke from selecting a filler tree item | |
487 | tree.addListener(SWT.KeyDown, new Listener() { | |
488 | @Override | |
489 | public void handleEvent(Event event) { | |
f1fae91f | 490 | List<TreeItem> treeItems = getVisibleExpandedItems(tree); |
837a2f8c PT |
491 | if (treeItems.size() == 0) { |
492 | fTreeViewer.setSelection(new StructuredSelection()); | |
493 | event.doit = false; | |
494 | return; | |
495 | } | |
496 | if (event.keyCode == SWT.ARROW_DOWN) { | |
497 | int index = Math.min(fTimeGraphViewer.getSelectionIndex() + 1, treeItems.size() - 1); | |
498 | fTimeGraphViewer.setSelection((ITimeGraphEntry) treeItems.get(index).getData()); | |
499 | event.doit = false; | |
500 | } else if (event.keyCode == SWT.PAGE_DOWN) { | |
501 | int height = tree.getSize().y - tree.getHeaderHeight() - tree.getHorizontalBar().getSize().y; | |
502 | int countPerPage = height / getItemHeight(tree); | |
503 | int index = Math.min(fTimeGraphViewer.getSelectionIndex() + countPerPage - 1, treeItems.size() - 1); | |
504 | fTimeGraphViewer.setSelection((ITimeGraphEntry) treeItems.get(index).getData()); | |
505 | event.doit = false; | |
506 | } else if (event.keyCode == SWT.END) { | |
507 | fTimeGraphViewer.setSelection((ITimeGraphEntry) treeItems.get(treeItems.size() - 1).getData()); | |
508 | event.doit = false; | |
509 | } | |
510 | TreeItem treeItem = treeItems.get(fTimeGraphViewer.getTopIndex()); | |
511 | tree.setTopItem(treeItem); | |
512 | if (fTimeGraphViewer.getSelectionIndex() >= 0) { | |
513 | fTreeViewer.setSelection(new StructuredSelection(fTimeGraphViewer.getSelection())); | |
514 | } else { | |
515 | fTreeViewer.setSelection(new StructuredSelection()); | |
516 | } | |
517 | } | |
518 | }); | |
519 | ||
520 | // ensure alignment of top item between tree and time graph | |
521 | fTimeGraphViewer.getTimeGraphControl().addControlListener(new ControlAdapter() { | |
522 | @Override | |
523 | public void controlResized(ControlEvent e) { | |
f1fae91f | 524 | List<TreeItem> treeItems = getVisibleExpandedItems(tree); |
837a2f8c PT |
525 | if (treeItems.size() == 0) { |
526 | return; | |
527 | } | |
528 | TreeItem treeItem = treeItems.get(fTimeGraphViewer.getTopIndex()); | |
529 | tree.setTopItem(treeItem); | |
530 | } | |
531 | }); | |
532 | ||
533 | // ensure synchronization of selected item between tree and time graph | |
534 | fTreeViewer.addSelectionChangedListener(new ISelectionChangedListener() { | |
535 | @Override | |
536 | public void selectionChanged(SelectionChangedEvent event) { | |
537 | if (fInhibitTreeSelection) { | |
538 | return; | |
539 | } | |
540 | if (event.getSelection() instanceof IStructuredSelection) { | |
541 | Object selection = ((IStructuredSelection) event.getSelection()).getFirstElement(); | |
542 | if (selection instanceof ITimeGraphEntry) { | |
543 | fTimeGraphViewer.setSelection((ITimeGraphEntry) selection); | |
544 | } | |
f1fae91f | 545 | List<TreeItem> treeItems = getVisibleExpandedItems(tree); |
837a2f8c PT |
546 | if (treeItems.size() == 0) { |
547 | return; | |
548 | } | |
549 | TreeItem treeItem = treeItems.get(fTimeGraphViewer.getTopIndex()); | |
550 | tree.setTopItem(treeItem); | |
551 | } | |
552 | } | |
553 | }); | |
554 | ||
555 | // ensure synchronization of selected item between tree and time graph | |
556 | fTimeGraphViewer.addSelectionListener(new ITimeGraphSelectionListener() { | |
557 | @Override | |
558 | public void selectionChanged(TimeGraphSelectionEvent event) { | |
559 | ITimeGraphEntry entry = fTimeGraphViewer.getSelection(); | |
560 | fInhibitTreeSelection = true; // block the tree selection changed listener | |
561 | if (entry != null) { | |
562 | StructuredSelection selection = new StructuredSelection(entry); | |
563 | fTreeViewer.setSelection(selection); | |
564 | } else { | |
565 | fTreeViewer.setSelection(new StructuredSelection()); | |
566 | } | |
567 | fInhibitTreeSelection = false; | |
f1fae91f | 568 | List<TreeItem> treeItems = getVisibleExpandedItems(tree); |
837a2f8c PT |
569 | if (treeItems.size() == 0) { |
570 | return; | |
571 | } | |
572 | TreeItem treeItem = treeItems.get(fTimeGraphViewer.getTopIndex()); | |
573 | tree.setTopItem(treeItem); | |
574 | } | |
575 | }); | |
576 | ||
577 | // ensure alignment of top item between tree and time graph | |
578 | fTimeGraphViewer.getVerticalBar().addSelectionListener(new SelectionAdapter() { | |
579 | @Override | |
580 | public void widgetSelected(SelectionEvent e) { | |
f1fae91f | 581 | List<TreeItem> treeItems = getVisibleExpandedItems(tree); |
837a2f8c PT |
582 | if (treeItems.size() == 0) { |
583 | return; | |
584 | } | |
585 | TreeItem treeItem = treeItems.get(fTimeGraphViewer.getTopIndex()); | |
586 | tree.setTopItem(treeItem); | |
587 | } | |
588 | }); | |
589 | ||
590 | // ensure alignment of top item between tree and time graph | |
591 | fTimeGraphViewer.getTimeGraphControl().addMouseWheelListener(new MouseWheelListener() { | |
592 | @Override | |
593 | public void mouseScrolled(MouseEvent e) { | |
f1fae91f | 594 | List<TreeItem> treeItems = getVisibleExpandedItems(tree); |
837a2f8c PT |
595 | if (treeItems.size() == 0) { |
596 | return; | |
597 | } | |
598 | TreeItem treeItem = treeItems.get(fTimeGraphViewer.getTopIndex()); | |
599 | tree.setTopItem(treeItem); | |
600 | } | |
601 | }); | |
602 | ||
603 | // ensure the tree has focus control when mouse is over it if the time graph had control | |
604 | fTreeViewer.getControl().addMouseTrackListener(new MouseTrackAdapter() { | |
605 | @Override | |
606 | public void mouseEnter(MouseEvent e) { | |
607 | if (fTimeGraphViewer.getTimeGraphControl().isFocusControl()) { | |
608 | fTreeViewer.getControl().setFocus(); | |
609 | } | |
610 | } | |
611 | }); | |
612 | ||
613 | // ensure the time graph has focus control when mouse is over it if the tree had control | |
614 | fTimeGraphViewer.getTimeGraphControl().addMouseTrackListener(new MouseTrackAdapter() { | |
615 | @Override | |
616 | public void mouseEnter(MouseEvent e) { | |
617 | if (fTreeViewer.getControl().isFocusControl()) { | |
618 | fTimeGraphViewer.getTimeGraphControl().setFocus(); | |
619 | } | |
620 | } | |
621 | }); | |
622 | fTimeGraphViewer.getTimeGraphScale().addMouseTrackListener(new MouseTrackAdapter() { | |
623 | @Override | |
624 | public void mouseEnter(MouseEvent e) { | |
625 | if (fTreeViewer.getControl().isFocusControl()) { | |
626 | fTimeGraphViewer.getTimeGraphControl().setFocus(); | |
627 | } | |
628 | } | |
629 | }); | |
630 | ||
631 | // The filler rows are required to ensure alignment when the tree does not have a | |
632 | // visible horizontal scroll bar. The tree does not allow its top item to be set | |
633 | // to a value that would cause blank space to be drawn at the bottom of the tree. | |
634 | fNumFillerRows = Display.getDefault().getBounds().height / getItemHeight(tree); | |
635 | ||
4999a196 | 636 | sash.setWeights(weights); |
837a2f8c PT |
637 | } |
638 | ||
639 | // ------------------------------------------------------------------------ | |
640 | // Accessors | |
641 | // ------------------------------------------------------------------------ | |
642 | ||
643 | /** | |
644 | * Returns this time graph combo's tree viewer. | |
645 | * | |
646 | * @return the tree viewer | |
647 | */ | |
648 | public TreeViewer getTreeViewer() { | |
649 | return fTreeViewer; | |
650 | } | |
651 | ||
652 | /** | |
653 | * Returns this time graph combo's time graph viewer. | |
654 | * | |
655 | * @return the time graph viewer | |
656 | */ | |
657 | public TimeGraphViewer getTimeGraphViewer() { | |
658 | return fTimeGraphViewer; | |
659 | } | |
660 | ||
6ac5a950 AM |
661 | /** |
662 | * Callback for the show filter action | |
663 | * | |
664 | * @since 2.0 | |
665 | */ | |
666 | public void showFilterDialog() { | |
667 | if(fTopInput != null) { | |
8f28f9d8 | 668 | List<? extends ITimeGraphEntry> allElements = listAllInputs(fTopInput); |
6ac5a950 AM |
669 | fFilterDialog.setInput(fTopInput.toArray(new ITimeGraphEntry[0])); |
670 | fFilterDialog.setTitle(Messages.TmfTimeFilterDialog_WINDOW_TITLE); | |
671 | fFilterDialog.setMessage(Messages.TmfTimeFilterDialog_MESSAGE); | |
8f28f9d8 | 672 | fFilterDialog.setExpandedElements(allElements.toArray()); |
f8840316 FR |
673 | if (fFilter.getFiltered() != null) { |
674 | ArrayList<? extends ITimeGraphEntry> nonFilteredElements = new ArrayList<ITimeGraphEntry>(allElements); | |
675 | nonFilteredElements.removeAll(fFilter.getFiltered()); | |
676 | fFilterDialog.setInitialElementSelections(nonFilteredElements); | |
8f28f9d8 PT |
677 | } else { |
678 | fFilterDialog.setInitialElementSelections(allElements); | |
679 | } | |
6ac5a950 AM |
680 | fFilterDialog.create(); |
681 | fFilterDialog.open(); | |
682 | // Process selected elements | |
683 | if (fFilterDialog.getResult() != null) { | |
684 | fInhibitTreeSelection = true; | |
8f28f9d8 | 685 | if (fFilterDialog.getResult().length != allElements.size()) { |
f8840316 FR |
686 | ArrayList<Object> filteredElements = new ArrayList<Object>(allElements); |
687 | filteredElements.removeAll(Arrays.asList(fFilterDialog.getResult())); | |
688 | fFilter.setFiltered(filteredElements); | |
8f28f9d8 | 689 | } else { |
f8840316 | 690 | fFilter.setFiltered(null); |
8f28f9d8 | 691 | } |
6ac5a950 AM |
692 | fTreeViewer.refresh(); |
693 | fTreeViewer.expandAll(); | |
694 | fTimeGraphViewer.refresh(); | |
695 | fInhibitTreeSelection = false; | |
696 | // Reset selection to first entry | |
697 | if (fFilterDialog.getResult().length > 0) { | |
698 | setSelection((ITimeGraphEntry) fFilterDialog.getResult()[0]); | |
699 | } | |
700 | } | |
701 | } | |
702 | } | |
703 | ||
704 | /** | |
705 | * Get the show filter action. | |
706 | * | |
707 | * @return The Action object | |
708 | * @since 2.0 | |
709 | */ | |
710 | public Action getShowFilterAction() { | |
711 | if (showFilterAction == null) { | |
712 | // showFilter | |
713 | showFilterAction = new Action() { | |
714 | @Override | |
715 | public void run() { | |
716 | showFilterDialog(); | |
717 | } | |
718 | }; | |
719 | showFilterAction.setText(Messages.TmfTimeGraphCombo_FilterActionNameText); | |
720 | showFilterAction.setToolTipText(Messages.TmfTimeGraphCombo_FilterActionToolTipText); | |
721 | // TODO find a nice, distinctive icon | |
722 | showFilterAction.setImageDescriptor(Activator.getDefault().getImageDescripterFromPath(ITmfImageConstants.IMG_UI_FILTERS)); | |
723 | } | |
724 | ||
725 | return showFilterAction; | |
726 | } | |
727 | ||
837a2f8c PT |
728 | // ------------------------------------------------------------------------ |
729 | // Control | |
730 | // ------------------------------------------------------------------------ | |
731 | ||
837a2f8c PT |
732 | @Override |
733 | public void redraw() { | |
734 | fTimeGraphViewer.getControl().redraw(); | |
735 | super.redraw(); | |
736 | } | |
737 | ||
738 | // ------------------------------------------------------------------------ | |
739 | // Operations | |
740 | // ------------------------------------------------------------------------ | |
741 | ||
742 | /** | |
743 | * Sets the tree content provider used by this time graph combo. | |
744 | * | |
745 | * @param contentProvider the tree content provider | |
746 | */ | |
747 | public void setTreeContentProvider(ITreeContentProvider contentProvider) { | |
748 | fTreeViewer.setContentProvider(new TreeContentProviderWrapper(contentProvider)); | |
749 | } | |
750 | ||
751 | /** | |
752 | * Sets the tree label provider used by this time graph combo. | |
753 | * | |
754 | * @param labelProvider the tree label provider | |
755 | */ | |
756 | public void setTreeLabelProvider(ITableLabelProvider labelProvider) { | |
757 | fTreeViewer.setLabelProvider(new TreeLabelProviderWrapper(labelProvider)); | |
758 | } | |
759 | ||
6ac5a950 AM |
760 | /** |
761 | * Sets the tree content provider used by the filter dialog | |
762 | * | |
763 | * @param contentProvider the tree content provider | |
764 | * @since 2.0 | |
765 | */ | |
766 | public void setFilterContentProvider(ITreeContentProvider contentProvider) { | |
767 | fFilterDialog.setContentProvider(contentProvider); | |
768 | } | |
769 | ||
770 | /** | |
771 | * Sets the tree label provider used by the filter dialog | |
772 | * | |
773 | * @param labelProvider the tree label provider | |
774 | * @since 2.0 | |
775 | */ | |
776 | public void setFilterLabelProvider(ITableLabelProvider labelProvider) { | |
777 | fFilterDialog.setLabelProvider(labelProvider); | |
778 | } | |
779 | ||
837a2f8c PT |
780 | /** |
781 | * Sets the tree columns for this time graph combo. | |
782 | * | |
783 | * @param columnNames the tree column names | |
784 | */ | |
785 | public void setTreeColumns(String[] columnNames) { | |
786 | final Tree tree = fTreeViewer.getTree(); | |
787 | for (String columnName : columnNames) { | |
788 | TreeColumn column = new TreeColumn(tree, SWT.LEFT); | |
789 | column.setText(columnName); | |
790 | column.pack(); | |
791 | } | |
792 | } | |
793 | ||
6ac5a950 AM |
794 | /** |
795 | * Sets the tree columns for this time graph combo's filter dialog. | |
796 | * | |
797 | * @param columnNames the tree column names | |
798 | * @since 2.0 | |
799 | */ | |
800 | public void setFilterColumns(String[] columnNames) { | |
801 | fFilterDialog.setColumnNames(columnNames); | |
802 | } | |
803 | ||
837a2f8c PT |
804 | /** |
805 | * Sets the time graph provider used by this time graph combo. | |
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. | |
815 | * The input array should only contain top-level elements. | |
816 | * | |
817 | * @param input the input of this time graph combo, or <code>null</code> if none | |
818 | */ | |
819 | public void setInput(ITimeGraphEntry[] input) { | |
6ac5a950 | 820 | fTopInput = new ArrayList<ITimeGraphEntry>(Arrays.asList(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; | |
828 | fTreeViewer.expandAll(); | |
829 | fTreeViewer.getTree().getVerticalBar().setEnabled(false); | |
830 | fTreeViewer.getTree().getVerticalBar().setVisible(false); | |
831 | fTimeGraphViewer.setItemHeight(getItemHeight(fTreeViewer.getTree())); | |
832 | fTimeGraphViewer.setInput(input); | |
833 | } | |
834 | ||
bec1f1ac GB |
835 | /** |
836 | * Sets or clears the list of links to display on this combo | |
837 | * | |
838 | * @param links the links to display in this time graph combo | |
839 | * @since 2.1 | |
840 | */ | |
841 | public void setLinks(List<ILinkEvent> links) { | |
842 | fTimeGraphViewer.setLinks(links); | |
843 | } | |
844 | ||
6ac5a950 AM |
845 | /** |
846 | * @param filter The filter object to be attached to the view | |
847 | * @since 2.0 | |
848 | */ | |
849 | public void addFilter(ViewerFilter filter) { | |
850 | ViewerFilter wrapper = new ViewerFilterWrapper(filter); | |
851 | fTreeViewer.addFilter(wrapper); | |
852 | fTimeGraphViewer.addFilter(wrapper); | |
853 | fViewerFilterMap.put(filter, wrapper); | |
854 | } | |
855 | ||
856 | /** | |
857 | * @param filter The filter object to be removed from the view | |
858 | * @since 2.0 | |
859 | */ | |
860 | public void removeFilter(ViewerFilter filter) { | |
861 | ViewerFilter wrapper = fViewerFilterMap.get(filter); | |
862 | fTreeViewer.removeFilter(wrapper); | |
863 | fTimeGraphViewer.removeFilter(wrapper); | |
864 | fViewerFilterMap.remove(filter); | |
865 | } | |
866 | ||
837a2f8c PT |
867 | /** |
868 | * Refreshes this time graph completely with information freshly obtained from its model. | |
869 | */ | |
870 | public void refresh() { | |
871 | fInhibitTreeSelection = true; | |
872 | fTreeViewer.refresh(); | |
873 | fTimeGraphViewer.refresh(); | |
874 | fInhibitTreeSelection = false; | |
875 | } | |
876 | ||
877 | /** | |
878 | * Adds a listener for selection changes in this time graph combo. | |
879 | * | |
880 | * @param listener a selection listener | |
881 | */ | |
882 | public void addSelectionListener(ITimeGraphSelectionListener listener) { | |
883 | SelectionListenerWrapper listenerWrapper = new SelectionListenerWrapper(listener); | |
884 | fTreeViewer.addSelectionChangedListener(listenerWrapper); | |
885 | fSelectionListenerMap.put(listener, listenerWrapper); | |
886 | fTimeGraphViewer.addSelectionListener(listenerWrapper); | |
887 | } | |
888 | ||
889 | /** | |
890 | * Removes the given selection listener from this time graph combo. | |
891 | * | |
892 | * @param listener a selection changed listener | |
893 | */ | |
894 | public void removeSelectionListener(ITimeGraphSelectionListener listener) { | |
895 | SelectionListenerWrapper listenerWrapper = fSelectionListenerMap.remove(listener); | |
896 | fTreeViewer.removeSelectionChangedListener(listenerWrapper); | |
897 | fTimeGraphViewer.removeSelectionListener(listenerWrapper); | |
898 | } | |
899 | ||
900 | /** | |
901 | * Sets the current selection for this time graph combo. | |
902 | * | |
903 | * @param selection the new selection | |
904 | */ | |
905 | public void setSelection(ITimeGraphEntry selection) { | |
906 | fTimeGraphViewer.setSelection(selection); | |
907 | fInhibitTreeSelection = true; // block the tree selection changed listener | |
908 | if (selection != null) { | |
909 | StructuredSelection structuredSelection = new StructuredSelection(selection); | |
910 | fTreeViewer.setSelection(structuredSelection); | |
911 | } else { | |
912 | fTreeViewer.setSelection(new StructuredSelection()); | |
913 | } | |
914 | fInhibitTreeSelection = false; | |
f1fae91f | 915 | List<TreeItem> treeItems = getVisibleExpandedItems(fTreeViewer.getTree()); |
837a2f8c PT |
916 | if (treeItems.size() == 0) { |
917 | return; | |
918 | } | |
919 | TreeItem treeItem = treeItems.get(fTimeGraphViewer.getTopIndex()); | |
920 | fTreeViewer.getTree().setTopItem(treeItem); | |
921 | } | |
922 | ||
923 | /** | |
924 | * Set the expanded state of an entry | |
925 | * | |
926 | * @param entry | |
927 | * The entry to expand/collapse | |
928 | * @param expanded | |
929 | * True for expanded, false for collapsed | |
930 | * | |
931 | * @since 2.0 | |
932 | */ | |
933 | public void setExpandedState(ITimeGraphEntry entry, boolean expanded) { | |
934 | fTimeGraphViewer.setExpandedState(entry, expanded); | |
935 | fTreeViewer.setExpandedState(entry, expanded); | |
936 | } | |
937 | ||
938 | /** | |
939 | * Collapses all nodes of the viewer's tree, starting with the root. | |
940 | * | |
941 | * @since 2.0 | |
942 | */ | |
943 | public void collapseAll() { | |
944 | fTimeGraphViewer.collapseAll(); | |
945 | fTreeViewer.collapseAll(); | |
946 | } | |
947 | ||
948 | /** | |
949 | * Expands all nodes of the viewer's tree, starting with the root. | |
950 | * | |
951 | * @since 2.0 | |
952 | */ | |
953 | public void expandAll() { | |
954 | fTimeGraphViewer.expandAll(); | |
955 | fTreeViewer.expandAll(); | |
956 | } | |
957 | ||
958 | // ------------------------------------------------------------------------ | |
959 | // Internal | |
960 | // ------------------------------------------------------------------------ | |
961 | ||
f1fae91f | 962 | private List<TreeItem> getVisibleExpandedItems(Tree tree) { |
837a2f8c PT |
963 | ArrayList<TreeItem> items = new ArrayList<TreeItem>(); |
964 | for (TreeItem item : tree.getItems()) { | |
965 | if (item.getData() == FILLER) { | |
966 | break; | |
967 | } | |
968 | items.add(item); | |
969 | if (item.getExpanded()) { | |
970 | items.addAll(getVisibleExpandedItems(item)); | |
971 | } | |
972 | } | |
973 | return items; | |
974 | } | |
975 | ||
f1fae91f | 976 | private List<TreeItem> getVisibleExpandedItems(TreeItem treeItem) { |
837a2f8c PT |
977 | ArrayList<TreeItem> items = new ArrayList<TreeItem>(); |
978 | for (TreeItem item : treeItem.getItems()) { | |
979 | items.add(item); | |
980 | if (item.getExpanded()) { | |
981 | items.addAll(getVisibleExpandedItems(item)); | |
982 | } | |
983 | } | |
984 | return items; | |
985 | } | |
986 | ||
6ac5a950 AM |
987 | /** |
988 | * Explores the list of top-level inputs and returns all the inputs | |
989 | * | |
990 | * @param inputs The top-level inputs | |
991 | * @return All the inputs | |
992 | */ | |
993 | private List<? extends ITimeGraphEntry> listAllInputs(List<? extends ITimeGraphEntry> inputs) { | |
994 | ArrayList<ITimeGraphEntry> items = new ArrayList<ITimeGraphEntry>(); | |
995 | for (ITimeGraphEntry entry : inputs) { | |
996 | items.add(entry); | |
997 | if (entry.hasChildren()) { | |
998 | items.addAll(listAllInputs(entry.getChildren())); | |
999 | } | |
1000 | } | |
1001 | return items; | |
1002 | } | |
1003 | ||
837a2f8c PT |
1004 | private int getItemHeight(final Tree tree) { |
1005 | /* | |
1006 | * Bug in Linux. The method getItemHeight doesn't always return the correct value. | |
1007 | */ | |
1008 | if (fLinuxItemHeight >= 0 && System.getProperty("os.name").contains("Linux")) { //$NON-NLS-1$ //$NON-NLS-2$ | |
1009 | if (fLinuxItemHeight != 0) { | |
1010 | return fLinuxItemHeight; | |
1011 | } | |
f1fae91f | 1012 | List<TreeItem> treeItems = getVisibleExpandedItems(tree); |
837a2f8c PT |
1013 | if (treeItems.size() > 1) { |
1014 | final TreeItem treeItem0 = treeItems.get(0); | |
1015 | final TreeItem treeItem1 = treeItems.get(1); | |
1016 | PaintListener paintListener = new PaintListener() { | |
1017 | @Override | |
1018 | public void paintControl(PaintEvent e) { | |
1019 | tree.removePaintListener(this); | |
1020 | int y0 = treeItem0.getBounds().y; | |
1021 | int y1 = treeItem1.getBounds().y; | |
1022 | int itemHeight = y1 - y0; | |
1023 | if (itemHeight > 0) { | |
1024 | fLinuxItemHeight = itemHeight; | |
1025 | fTimeGraphViewer.setItemHeight(itemHeight); | |
1026 | } | |
1027 | } | |
1028 | }; | |
1029 | tree.addPaintListener(paintListener); | |
1030 | } | |
1031 | } else { | |
1032 | fLinuxItemHeight = -1; // Not Linux, don't perform os.name check anymore | |
1033 | } | |
1034 | return tree.getItemHeight(); | |
1035 | } | |
1036 | ||
1037 | } |