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