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