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