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1 | /******************************************************************************* |
2 | * Copyright (c) 2014 École Polytechnique de Montréal | |
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 | * Florian Wininger - Initial API and implementation | |
11 | * Alexandre Montplaisir - Refactoring, performance tweaks | |
12 | * Bernd Hufmann - Updated signal handling | |
13 | * Marc-Andre Laperle - Add time zone preference | |
14 | * Geneviève Bastien - Moved state system explorer to use the abstract tree viewer | |
15 | *******************************************************************************/ | |
16 | ||
17 | package org.eclipse.linuxtools.tmf.ui.views.statesystem; | |
18 | ||
19 | import java.util.ArrayList; | |
20 | import java.util.List; | |
21 | ||
22 | import org.eclipse.jdt.annotation.NonNull; | |
23 | import org.eclipse.jface.viewers.AbstractTreeViewer; | |
24 | import org.eclipse.jface.viewers.Viewer; | |
25 | import org.eclipse.jface.viewers.ViewerComparator; | |
26 | import org.eclipse.linuxtools.tmf.core.exceptions.AttributeNotFoundException; | |
27 | import org.eclipse.linuxtools.tmf.core.exceptions.StateSystemDisposedException; | |
28 | import org.eclipse.linuxtools.tmf.core.exceptions.TimeRangeException; | |
29 | import org.eclipse.linuxtools.tmf.core.interval.ITmfStateInterval; | |
30 | import org.eclipse.linuxtools.tmf.core.signal.TmfSignalHandler; | |
31 | import org.eclipse.linuxtools.tmf.core.signal.TmfTimestampFormatUpdateSignal; | |
32 | import org.eclipse.linuxtools.tmf.core.statesystem.ITmfAnalysisModuleWithStateSystems; | |
33 | import org.eclipse.linuxtools.tmf.core.statesystem.ITmfStateSystem; | |
34 | import org.eclipse.linuxtools.tmf.core.statevalue.ITmfStateValue; | |
35 | import org.eclipse.linuxtools.tmf.core.timestamp.ITmfTimestamp; | |
36 | import org.eclipse.linuxtools.tmf.core.timestamp.TmfTimestamp; | |
37 | import org.eclipse.linuxtools.tmf.core.trace.ITmfTrace; | |
38 | import org.eclipse.linuxtools.tmf.core.trace.TmfTraceManager; | |
39 | import org.eclipse.linuxtools.tmf.ui.viewers.tree.AbstractTmfTreeViewer; | |
40 | import org.eclipse.linuxtools.tmf.ui.viewers.tree.ITmfTreeColumnDataProvider; | |
41 | import org.eclipse.linuxtools.tmf.ui.viewers.tree.ITmfTreeViewerEntry; | |
42 | import org.eclipse.linuxtools.tmf.ui.viewers.tree.TmfTreeColumnData; | |
43 | import org.eclipse.linuxtools.tmf.ui.viewers.tree.TmfTreeViewerEntry; | |
44 | import org.eclipse.swt.SWT; | |
45 | import org.eclipse.swt.graphics.Color; | |
46 | import org.eclipse.swt.widgets.Composite; | |
47 | import org.eclipse.swt.widgets.Display; | |
48 | ||
49 | /** | |
50 | * Displays the content of the state systems at the current time | |
51 | * | |
52 | * @author Florian Wininger | |
53 | * @author Alexandre Montplaisir | |
54 | * @author Geneviève Bastien | |
55 | * @since 3.0 | |
56 | */ | |
57 | public class TmfStateSystemViewer extends AbstractTmfTreeViewer { | |
58 | ||
59 | private static final String EMPTY_STRING = ""; //$NON-NLS-1$ | |
60 | private boolean fFilterStatus = false; | |
61 | private static final int DEFAULT_AUTOEXPAND = 2; | |
62 | ||
63 | /* Order of columns */ | |
64 | private static final int ATTRIBUTE_NAME_COL = 0; | |
65 | private static final int QUARK_COL = 1; | |
66 | private static final int VALUE_COL = 2; | |
67 | private static final int TYPE_COL = 3; | |
68 | private static final int START_TIME_COL = 4; | |
69 | private static final int END_TIME_COL = 5; | |
70 | private static final int ATTRIBUTE_FULLPATH_COL = 6; | |
71 | ||
72 | /** | |
73 | * Base class to provide the labels for the tree viewer. Views extending | |
74 | * this class typically need to override the getColumnText method if they | |
75 | * have more than one column to display | |
76 | */ | |
77 | protected static class StateSystemTreeLabelProvider extends TreeLabelProvider { | |
78 | ||
79 | @Override | |
80 | public String getColumnText(Object element, int columnIndex) { | |
81 | if (element instanceof StateSystemEntry) { | |
82 | StateSystemEntry entry = (StateSystemEntry) element; | |
83 | switch (columnIndex) { | |
84 | case ATTRIBUTE_NAME_COL: | |
85 | return entry.getName(); | |
86 | case QUARK_COL: | |
87 | return String.valueOf(entry.getQuark()); | |
88 | case VALUE_COL: | |
89 | return entry.getValue(); | |
90 | case TYPE_COL: | |
91 | return entry.getType(); | |
92 | case START_TIME_COL: | |
93 | return entry.getStartTime(); | |
94 | case END_TIME_COL: | |
95 | return entry.getEndTime(); | |
96 | case ATTRIBUTE_FULLPATH_COL: | |
97 | return entry.getFullPath(); | |
98 | default: | |
99 | return EMPTY_STRING; | |
100 | } | |
101 | } | |
102 | return super.getColumnText(element, columnIndex); | |
103 | } | |
104 | ||
105 | @Override | |
106 | public Color getBackground(Object element, int columnIndex) { | |
107 | if (element instanceof StateSystemEntry) { | |
108 | if (((StateSystemEntry) element).isModified()) { | |
109 | return Display.getCurrent().getSystemColor(SWT.COLOR_YELLOW); | |
110 | } | |
111 | } | |
112 | return super.getBackground(element, columnIndex); | |
113 | } | |
114 | } | |
115 | ||
116 | /** | |
117 | * Constructor | |
118 | * | |
119 | * @param parent | |
120 | * The parent containing this viewer | |
121 | */ | |
122 | public TmfStateSystemViewer(Composite parent) { | |
123 | super(parent, false); | |
124 | this.setLabelProvider(new StateSystemTreeLabelProvider()); | |
125 | getTreeViewer().setAutoExpandLevel(DEFAULT_AUTOEXPAND); | |
126 | } | |
127 | ||
128 | @Override | |
129 | protected ITmfTreeColumnDataProvider getColumnDataProvider() { | |
130 | return new ITmfTreeColumnDataProvider() { | |
131 | ||
132 | @Override | |
133 | public List<TmfTreeColumnData> getColumnData() { | |
134 | List<TmfTreeColumnData> columns = new ArrayList<>(); | |
135 | TmfTreeColumnData column = new TmfTreeColumnData(Messages.TreeNodeColumnLabel); | |
136 | columns.add(column); | |
137 | column.setComparator(new ViewerComparator() { | |
138 | @Override | |
139 | public int compare(Viewer viewer, Object e1, Object e2) { | |
140 | TmfTreeViewerEntry n1 = (TmfTreeViewerEntry) e1; | |
141 | TmfTreeViewerEntry n2 = (TmfTreeViewerEntry) e2; | |
142 | ||
143 | return n1.getName().compareTo(n2.getName()); | |
144 | } | |
145 | }); | |
146 | columns.add(new TmfTreeColumnData(Messages.QuarkColumnLabel)); | |
147 | columns.add(new TmfTreeColumnData(Messages.ValueColumnLabel)); | |
148 | columns.add(new TmfTreeColumnData(Messages.TypeColumnLabel)); | |
149 | columns.add(new TmfTreeColumnData(Messages.StartTimeColumLabel)); | |
150 | columns.add(new TmfTreeColumnData(Messages.EndTimeColumLabel)); | |
151 | columns.add(new TmfTreeColumnData(Messages.AttributePathColumnLabel)); | |
152 | return columns; | |
153 | } | |
154 | ||
155 | }; | |
156 | } | |
157 | ||
158 | // ------------------------------------------------------------------------ | |
159 | // Operations | |
160 | // ------------------------------------------------------------------------ | |
161 | ||
162 | @Override | |
163 | protected List<ITmfTreeViewerEntry> updateElements(long start, long end, boolean selection) { | |
164 | if (getTrace() == null) { | |
165 | return null; | |
166 | } | |
167 | ||
168 | List<ITmfTreeViewerEntry> entries = (List<ITmfTreeViewerEntry>) getInput(); | |
169 | ||
170 | if ((!selection) && (entries != null)) { | |
171 | return null; | |
172 | } | |
173 | ||
174 | /* | |
175 | * Build the entries if it is the first time or to show only modified | |
176 | * values | |
177 | */ | |
178 | if (entries == null || fFilterStatus) { | |
179 | entries = buildEntriesList(start); | |
180 | } else { | |
181 | /* | |
182 | * Update the values of the elements of the state systems at time | |
183 | * 'start' | |
184 | */ | |
185 | entries = updateEntriesList(entries, start); | |
186 | } | |
187 | ||
188 | return entries; | |
189 | } | |
190 | ||
191 | private List<ITmfTreeViewerEntry> buildEntriesList(long timestamp) { | |
192 | List<ITmfTreeViewerEntry> rootEntries = new ArrayList<>(); | |
193 | for (final ITmfTrace currentTrace : TmfTraceManager.getTraceSet(getTrace())) { | |
194 | if (currentTrace == null) { | |
195 | continue; | |
196 | } | |
197 | buildEntriesForTrace(currentTrace, timestamp, rootEntries); | |
198 | } | |
199 | return rootEntries; | |
200 | } | |
201 | ||
202 | /* | |
203 | * Update the values of the entries. It will also create trace and state | |
204 | * system entries if they do not exist yet. | |
205 | */ | |
206 | private List<ITmfTreeViewerEntry> updateEntriesList(List<ITmfTreeViewerEntry> entries, long timestamp) { | |
207 | for (final ITmfTrace trace : TmfTraceManager.getTraceSet(getTrace())) { | |
208 | if (trace == null) { | |
209 | continue; | |
210 | } | |
211 | ITmfTreeViewerEntry traceEntry = null; | |
212 | for (ITmfTreeViewerEntry entry : entries) { | |
213 | if (entry.getName().equals(trace.getName())) { | |
214 | traceEntry = entry; | |
215 | } | |
216 | } | |
217 | if (traceEntry == null) { | |
218 | traceEntry = buildEntriesForTrace(trace, timestamp, entries); | |
219 | } | |
220 | ||
221 | /* Find the state system entries for this trace */ | |
222 | Iterable<ITmfAnalysisModuleWithStateSystems> modules = trace.getAnalysisModulesOfClass(ITmfAnalysisModuleWithStateSystems.class); | |
223 | for (ITmfAnalysisModuleWithStateSystems module : modules) { | |
224 | module.schedule(); | |
225 | for (ITmfStateSystem ss : module.getStateSystems()) { | |
226 | if (ss == null) { | |
227 | continue; | |
228 | } | |
229 | ITmfTreeViewerEntry ssEntry = null; | |
230 | for (ITmfTreeViewerEntry entry : traceEntry.getChildren()) { | |
231 | if (entry.getName().equals(ss.getSSID())) { | |
232 | ssEntry = entry; | |
233 | } | |
234 | } | |
235 | ||
236 | if (ssEntry == null) { | |
237 | /* The state system entry has not been built yet */ | |
238 | buildEntriesForStateSystem(ss, timestamp, (TmfTreeViewerEntry) traceEntry); | |
239 | } else if (ssEntry.hasChildren()) { | |
240 | /* | |
241 | * Typical case at this point, update the data from the | |
242 | * state system | |
243 | */ | |
244 | updateEntriesForStateSystem(ss, timestamp, (TmfTreeViewerEntry) ssEntry); | |
245 | } else { | |
246 | /* | |
247 | * The state system existed but entries were not filled, | |
248 | * that would occur if for instance the values were out | |
249 | * of range at the first query. | |
250 | */ | |
251 | fillEntriesForStateSystem(ss, timestamp, (TmfTreeViewerEntry) ssEntry); | |
252 | } | |
253 | } | |
254 | } | |
255 | } | |
256 | return entries; | |
257 | } | |
258 | ||
259 | @NonNull | |
260 | private ITmfTreeViewerEntry buildEntriesForTrace(@NonNull ITmfTrace trace, long timestamp, @NonNull List<ITmfTreeViewerEntry> rootEntries) { | |
261 | TmfTreeViewerEntry traceEntry = new TmfTreeViewerEntry(trace.getName()); | |
262 | rootEntries.add(traceEntry); | |
263 | ||
264 | Iterable<ITmfAnalysisModuleWithStateSystems> modules = trace.getAnalysisModulesOfClass(ITmfAnalysisModuleWithStateSystems.class); | |
265 | for (ITmfAnalysisModuleWithStateSystems module : modules) { | |
266 | /* Just schedule the module, the data will be filled when available */ | |
267 | module.schedule(); | |
268 | for (ITmfStateSystem ss : module.getStateSystems()) { | |
269 | if (ss == null) { | |
270 | continue; | |
271 | } | |
272 | buildEntriesForStateSystem(ss, timestamp, traceEntry); | |
273 | } | |
274 | } | |
275 | return traceEntry; | |
276 | } | |
277 | ||
278 | private void buildEntriesForStateSystem(ITmfStateSystem ss, long timestamp, TmfTreeViewerEntry traceEntry) { | |
279 | TmfTreeViewerEntry ssEntry = new TmfTreeViewerEntry(ss.getSSID()); | |
280 | traceEntry.addChild(ssEntry); | |
281 | fillEntriesForStateSystem(ss, timestamp, ssEntry); | |
282 | } | |
283 | ||
284 | private void fillEntriesForStateSystem(ITmfStateSystem ss, long timestamp, TmfTreeViewerEntry ssEntry) { | |
285 | try { | |
286 | addChildren(ss, ss.queryFullState(timestamp), -1, ssEntry, timestamp); | |
287 | } catch (StateSystemDisposedException | TimeRangeException e) { | |
288 | /* Nothing to do */ | |
289 | } | |
290 | } | |
291 | ||
292 | /** | |
293 | * Add children node to an entry. It will create all necessary entries. | |
294 | */ | |
295 | private void addChildren(ITmfStateSystem ss, List<ITmfStateInterval> fullState, int rootQuark, TmfTreeViewerEntry root, long timestamp) { | |
296 | try { | |
297 | for (int quark : ss.getSubAttributes(rootQuark, false)) { | |
298 | ||
299 | ITmfStateInterval interval = fullState.get(quark); | |
300 | ||
301 | StateSystemEntry entry = new StateSystemEntry(ss.getAttributeName(quark), quark, ss.getFullAttributePath(quark), | |
302 | interval.getStateValue(), | |
303 | new TmfTimestamp(interval.getStartTime(), ITmfTimestamp.NANOSECOND_SCALE), | |
304 | new TmfTimestamp(interval.getEndTime(), ITmfTimestamp.NANOSECOND_SCALE)); | |
305 | ||
306 | /* Add this node's children recursively */ | |
307 | addChildren(ss, fullState, quark, entry, timestamp); | |
308 | ||
309 | /** | |
310 | * <pre> | |
311 | * Do not add this entry to root if | |
312 | * 1- the filter status is ON | |
313 | * AND | |
314 | * 2- the entry has no children | |
315 | * AND | |
316 | * 3- the start time is not the current timestamp | |
317 | * </pre> | |
318 | */ | |
319 | if (!(fFilterStatus && !entry.hasChildren() && (interval.getStartTime() != timestamp))) { | |
320 | root.addChild(entry); | |
321 | } | |
322 | } | |
323 | ||
324 | } catch (AttributeNotFoundException e) { | |
325 | /* Should not happen, we're iterating on known attributes */ | |
326 | throw new RuntimeException(); | |
327 | } | |
328 | } | |
329 | ||
330 | private void updateEntriesForStateSystem(ITmfStateSystem ss, long timestamp, TmfTreeViewerEntry ssEntry) { | |
331 | try { | |
332 | updateChildren(ss, ss.queryFullState(timestamp), ssEntry); | |
333 | } catch (StateSystemDisposedException e) { | |
334 | } catch (TimeRangeException e) { | |
335 | /* Mark all entries out of range */ | |
336 | markOutOfRange(ssEntry); | |
337 | } | |
338 | } | |
339 | ||
340 | /** | |
341 | * Update the values of existing entries. | |
342 | */ | |
343 | private void updateChildren(ITmfStateSystem ss, List<ITmfStateInterval> fullState, ITmfTreeViewerEntry root) { | |
344 | for (ITmfTreeViewerEntry entry : root.getChildren()) { | |
345 | if (entry instanceof StateSystemEntry) { | |
346 | /* | |
347 | * FIXME: if new sub attributes were added since the element was | |
348 | * built, then then will not be added | |
349 | */ | |
350 | StateSystemEntry ssEntry = (StateSystemEntry) entry; | |
351 | ITmfStateInterval interval = fullState.get(ssEntry.getQuark()); | |
352 | if (interval != null) { | |
353 | ssEntry.update(interval.getStateValue(), new TmfTimestamp(interval.getStartTime(), ITmfTimestamp.NANOSECOND_SCALE), | |
354 | new TmfTimestamp(interval.getEndTime(), ITmfTimestamp.NANOSECOND_SCALE)); | |
355 | } | |
356 | ||
357 | /* Update this node's children recursively */ | |
358 | updateChildren(ss, fullState, ssEntry); | |
359 | } | |
360 | } | |
361 | } | |
362 | ||
363 | /** | |
364 | * Set the entries as out of range | |
365 | */ | |
366 | private void markOutOfRange(ITmfTreeViewerEntry root) { | |
367 | for (ITmfTreeViewerEntry entry : root.getChildren()) { | |
368 | if (entry instanceof StateSystemEntry) { | |
369 | ((StateSystemEntry) entry).setOutOfRange(); | |
370 | ||
371 | /* Update this node's children recursively */ | |
372 | markOutOfRange(entry); | |
373 | } | |
374 | } | |
375 | } | |
376 | ||
377 | /** | |
378 | * Set the filter status of the viewer. By default, all entries of all state | |
379 | * system are present, and the values that changed since last refresh are | |
380 | * shown in yellow. When the filter status is true, only the entries with | |
381 | * values modified at current time are displayed. | |
382 | */ | |
383 | public void changeFilterStatus() { | |
384 | fFilterStatus = !fFilterStatus; | |
385 | if (fFilterStatus) { | |
386 | getTreeViewer().setAutoExpandLevel(AbstractTreeViewer.ALL_LEVELS); | |
387 | } else { | |
388 | getTreeViewer().setAutoExpandLevel(DEFAULT_AUTOEXPAND); | |
389 | clearContent(); | |
390 | } | |
391 | updateContent(getSelectionBeginTime(), getSelectionEndTime(), true); | |
392 | } | |
393 | ||
394 | /** | |
395 | * Update the display to use the updated timestamp format | |
396 | * | |
397 | * @param signal | |
398 | * the incoming signal | |
399 | */ | |
400 | @TmfSignalHandler | |
401 | public void timestampFormatUpdated(TmfTimestampFormatUpdateSignal signal) { | |
402 | updateContent(getSelectionBeginTime(), getSelectionEndTime(), true); | |
403 | } | |
404 | ||
405 | private class StateSystemEntry extends TmfTreeViewerEntry { | |
406 | ||
407 | private final int fQuark; | |
408 | private final String fFullPath; | |
409 | private @NonNull TmfTimestamp fStart; | |
410 | private @NonNull TmfTimestamp fEnd; | |
411 | private ITmfStateValue fValue; | |
412 | private boolean fModified = false; | |
413 | private boolean fOutOfRange = false; | |
414 | ||
415 | public StateSystemEntry(String name, int quark, String fullPath, ITmfStateValue value, @NonNull TmfTimestamp start, @NonNull TmfTimestamp end) { | |
416 | super(name); | |
417 | fQuark = quark; | |
418 | fFullPath = fullPath; | |
419 | fStart = start; | |
420 | fEnd = end; | |
421 | fValue = value; | |
422 | } | |
423 | ||
424 | public int getQuark() { | |
425 | return fQuark; | |
426 | } | |
427 | ||
428 | public String getFullPath() { | |
429 | return fFullPath; | |
430 | } | |
431 | ||
432 | public String getStartTime() { | |
433 | if (fOutOfRange) { | |
434 | return EMPTY_STRING; | |
435 | } | |
436 | return fStart.toString(); | |
437 | } | |
438 | ||
439 | public String getEndTime() { | |
440 | if (fOutOfRange) { | |
441 | return EMPTY_STRING; | |
442 | } | |
443 | return fEnd.toString(); | |
444 | } | |
445 | ||
446 | public String getValue() { | |
447 | if (fOutOfRange) { | |
448 | return Messages.OutOfRangeMsg; | |
449 | } | |
450 | switch (fValue.getType()) { | |
451 | case INTEGER: | |
452 | case LONG: | |
453 | case DOUBLE: | |
454 | case STRING: | |
455 | return fValue.toString(); | |
456 | case NULL: | |
457 | default: | |
458 | return EMPTY_STRING; | |
459 | } | |
460 | } | |
461 | ||
462 | public String getType() { | |
463 | if (fOutOfRange) { | |
464 | return EMPTY_STRING; | |
465 | } | |
466 | switch (fValue.getType()) { | |
467 | case INTEGER: | |
468 | return Messages.TypeInteger; | |
469 | case LONG: | |
470 | return Messages.TypeLong; | |
471 | case DOUBLE: | |
472 | return Messages.TypeDouble; | |
473 | case STRING: | |
474 | return Messages.TypeString; | |
475 | case NULL: | |
476 | default: | |
477 | return EMPTY_STRING; | |
478 | } | |
479 | } | |
480 | ||
481 | public boolean isModified() { | |
482 | return fModified; | |
483 | } | |
484 | ||
485 | public void update(ITmfStateValue value, @NonNull TmfTimestamp start, @NonNull TmfTimestamp end) { | |
486 | fModified = false; | |
487 | fOutOfRange = false; | |
488 | if (!start.equals(fStart)) { | |
489 | fModified = true; | |
490 | fStart = start; | |
491 | fEnd = end; | |
492 | fValue = value; | |
493 | } | |
494 | } | |
495 | ||
496 | public void setOutOfRange() { | |
497 | fModified = false; | |
498 | fOutOfRange = true; | |
499 | } | |
500 | } | |
501 | } |