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6e512b93 | 1 | /******************************************************************************* |
e0752744 | 2 | * Copyright (c) 2009, 2010, 2011, 2012 Ericsson |
1b055dfa | 3 | * |
6e512b93 ASL |
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 | |
1b055dfa | 8 | * |
6e512b93 | 9 | * Contributors: |
b59134e1 | 10 | * William Bourque - Initial API and implementation |
c392540b | 11 | * Yuriy Vashchuk - GUI reorganisation, simplification and some related code improvements. |
1b055dfa | 12 | * Yuriy Vashchuk - Histograms optimisation. |
c392540b FC |
13 | * Yuriy Vashchuk - Histogram Canvas Heritage correction |
14 | * Francois Chouinard - Cleanup and refactoring | |
e0752744 | 15 | * Francois Chouinard - Moved from LTTng to TMF |
6e512b93 | 16 | *******************************************************************************/ |
3e9fdb8b | 17 | |
e0752744 | 18 | package org.eclipse.linuxtools.tmf.ui.views.histogram; |
6e512b93 | 19 | |
e0752744 | 20 | import org.eclipse.linuxtools.tmf.core.event.ITmfEvent; |
4df4581d | 21 | import org.eclipse.linuxtools.tmf.core.event.ITmfTimestamp; |
6c13869b FC |
22 | import org.eclipse.linuxtools.tmf.core.event.TmfTimeRange; |
23 | import org.eclipse.linuxtools.tmf.core.event.TmfTimestamp; | |
6c13869b | 24 | import org.eclipse.linuxtools.tmf.core.request.ITmfDataRequest.ExecutionType; |
f6ad2e3d | 25 | import org.eclipse.linuxtools.tmf.core.request.TmfDataRequest; |
ea279a69 | 26 | import org.eclipse.linuxtools.tmf.core.signal.TmfExperimentDisposedSignal; |
6c13869b FC |
27 | import org.eclipse.linuxtools.tmf.core.signal.TmfExperimentRangeUpdatedSignal; |
28 | import org.eclipse.linuxtools.tmf.core.signal.TmfExperimentSelectedSignal; | |
a28d503d | 29 | import org.eclipse.linuxtools.tmf.core.signal.TmfExperimentUpdatedSignal; |
6c13869b FC |
30 | import org.eclipse.linuxtools.tmf.core.signal.TmfRangeSynchSignal; |
31 | import org.eclipse.linuxtools.tmf.core.signal.TmfSignalHandler; | |
32 | import org.eclipse.linuxtools.tmf.core.signal.TmfSignalManager; | |
33 | import org.eclipse.linuxtools.tmf.core.signal.TmfTimeSynchSignal; | |
9e0640dc | 34 | import org.eclipse.linuxtools.tmf.core.trace.TmfExperiment; |
b59134e1 WB |
35 | import org.eclipse.linuxtools.tmf.ui.views.TmfView; |
36 | import org.eclipse.swt.SWT; | |
37 | import org.eclipse.swt.layout.GridData; | |
252ae4bd | 38 | import org.eclipse.swt.layout.GridLayout; |
6e512b93 | 39 | import org.eclipse.swt.widgets.Composite; |
6e512b93 | 40 | |
544fe9b7 | 41 | /** |
12c155f5 | 42 | * The purpose of this view is to provide graphical time distribution statistics about the experiment/trace events. |
544fe9b7 | 43 | * <p> |
c392540b FC |
44 | * The view is composed of two histograms and two controls: |
45 | * <ul> | |
46 | * <li>an event distribution histogram for the whole experiment; | |
47 | * <li>an event distribution histogram for current time window (window span); | |
48 | * <li>the timestamp of the currently selected event; | |
49 | * <li>the window span (size of the time window of the smaller histogram). | |
50 | * </ul> | |
51 | * The histograms x-axis show their respective time range. | |
abbdd66a | 52 | * |
2af7df97 FC |
53 | * @version 1.0 |
54 | * @author Francois Chouinard | |
544fe9b7 | 55 | */ |
c392540b FC |
56 | public class HistogramView extends TmfView { |
57 | ||
58 | // ------------------------------------------------------------------------ | |
59 | // Constants | |
60 | // ------------------------------------------------------------------------ | |
61 | ||
b544077e BH |
62 | /** |
63 | * The view ID as defined in plugin.xml | |
64 | */ | |
e0752744 | 65 | public static final String ID = "org.eclipse.linuxtools.tmf.ui.views.histogram"; //$NON-NLS-1$ |
c392540b | 66 | |
b544077e BH |
67 | /** |
68 | * The initial window span (in nanoseconds) | |
69 | */ | |
1cceddbe | 70 | public static final long INITIAL_WINDOW_SPAN = (1L * 100 * 1000 * 1000); // .1sec |
c392540b FC |
71 | |
72 | // Time scale | |
73 | private final byte TIME_SCALE = Histogram.TIME_SCALE; | |
74 | ||
75 | // ------------------------------------------------------------------------ | |
76 | // Attributes | |
77 | // ------------------------------------------------------------------------ | |
78 | ||
79 | // Parent widget | |
80 | private Composite fParent; | |
81 | ||
82 | // The current experiment | |
6256d8ad | 83 | private TmfExperiment fCurrentExperiment; |
c392540b FC |
84 | |
85 | // Current timestamp/time window | |
86 | private long fExperimentStartTime; | |
87 | private long fExperimentEndTime; | |
88 | private long fWindowStartTime; | |
89 | private long fWindowEndTime; | |
90 | private long fWindowSpan = INITIAL_WINDOW_SPAN; | |
91 | private long fCurrentTimestamp; | |
92 | ||
93 | // Time controls | |
94 | private HistogramTextControl fCurrentEventTimeControl; | |
95 | private HistogramTextControl fTimeSpanControl; | |
96 | ||
97 | // Histogram/request for the full trace range | |
98 | private static FullTraceHistogram fFullTraceHistogram; | |
99 | private HistogramRequest fFullTraceRequest; | |
100 | ||
101 | // Histogram/request for the selected time range | |
102 | private static TimeRangeHistogram fTimeRangeHistogram; | |
103 | private HistogramRequest fTimeRangeRequest; | |
104 | ||
105 | // ------------------------------------------------------------------------ | |
106 | // Constructor | |
107 | // ------------------------------------------------------------------------ | |
108 | ||
b544077e BH |
109 | /** |
110 | * Default constructor | |
111 | */ | |
c392540b FC |
112 | public HistogramView() { |
113 | super(ID); | |
114 | } | |
115 | ||
6a13fa07 | 116 | @Override |
c392540b | 117 | public void dispose() { |
1b055dfa | 118 | if ((fTimeRangeRequest != null) && !fTimeRangeRequest.isCompleted()) { |
4dc47e28 FC |
119 | fTimeRangeRequest.cancel(); |
120 | } | |
1b055dfa | 121 | if ((fFullTraceRequest != null) && !fFullTraceRequest.isCompleted()) { |
4dc47e28 FC |
122 | fFullTraceRequest.cancel(); |
123 | } | |
6a13fa07 FC |
124 | fFullTraceHistogram.dispose(); |
125 | fTimeRangeHistogram.dispose(); | |
4dc47e28 | 126 | super.dispose(); |
c392540b FC |
127 | } |
128 | ||
129 | // ------------------------------------------------------------------------ | |
130 | // TmfView | |
131 | // ------------------------------------------------------------------------ | |
132 | ||
133 | @Override | |
c392540b FC |
134 | public void createPartControl(Composite parent) { |
135 | ||
136 | fParent = parent; | |
137 | ||
138 | // Control labels | |
139 | final String currentEventLabel = Messages.HistogramView_currentEventLabel; | |
140 | final String windowSpanLabel = Messages.HistogramView_windowSpanLabel; | |
141 | ||
142 | // -------------------------------------------------------------------- | |
143 | // Set the HistogramView layout | |
144 | // -------------------------------------------------------------------- | |
145 | ||
146 | Composite viewComposite = new Composite(fParent, SWT.FILL); | |
147 | GridLayout gridLayout = new GridLayout(); | |
148 | gridLayout.numColumns = 2; | |
149 | gridLayout.horizontalSpacing = 5; | |
150 | gridLayout.verticalSpacing = 0; | |
151 | gridLayout.marginHeight = 0; | |
152 | gridLayout.marginWidth = 0; | |
153 | viewComposite.setLayout(gridLayout); | |
154 | ||
155 | // Use all available space | |
156 | GridData gridData = new GridData(); | |
157 | gridData.horizontalAlignment = SWT.FILL; | |
158 | gridData.verticalAlignment = SWT.FILL; | |
159 | gridData.grabExcessHorizontalSpace = true; | |
160 | viewComposite.setLayoutData(gridData); | |
161 | ||
162 | // -------------------------------------------------------------------- | |
163 | // Time controls | |
164 | // -------------------------------------------------------------------- | |
165 | ||
166 | Composite controlsComposite = new Composite(viewComposite, SWT.FILL); | |
167 | gridLayout = new GridLayout(); | |
168 | gridLayout.numColumns = 2; | |
169 | gridLayout.marginHeight = 0; | |
170 | gridLayout.marginWidth = 0; | |
171 | gridLayout.horizontalSpacing = 5; | |
172 | gridLayout.verticalSpacing = 0; | |
173 | gridLayout.makeColumnsEqualWidth = true; | |
174 | gridLayout.marginLeft = 5; | |
175 | gridLayout.marginRight = 5; | |
176 | controlsComposite.setLayout(gridLayout); | |
177 | ||
178 | // Current event time control | |
179 | gridData = new GridData(); | |
180 | gridData.horizontalAlignment = SWT.CENTER; | |
181 | gridData.verticalAlignment = SWT.CENTER; | |
0301dc43 | 182 | fCurrentEventTimeControl = new HistogramCurrentTimeControl(this, controlsComposite, SWT.BORDER, SWT.NONE, |
12c155f5 | 183 | currentEventLabel, HistogramUtils.nanosecondsToString(0L)); |
c392540b FC |
184 | fCurrentEventTimeControl.setLayoutData(gridData); |
185 | ||
186 | // Window span time control | |
187 | gridData = new GridData(); | |
188 | gridData.horizontalAlignment = SWT.CENTER; | |
189 | gridData.verticalAlignment = SWT.CENTER; | |
0301dc43 | 190 | fTimeSpanControl = new HistogramTimeRangeControl(this, controlsComposite, SWT.BORDER, SWT.NONE, |
12c155f5 | 191 | windowSpanLabel, HistogramUtils.nanosecondsToString(0L)); |
c392540b FC |
192 | fTimeSpanControl.setLayoutData(gridData); |
193 | ||
194 | // -------------------------------------------------------------------- | |
195 | // Time range histogram | |
196 | // -------------------------------------------------------------------- | |
197 | ||
198 | Composite timeRangeComposite = new Composite(viewComposite, SWT.FILL); | |
199 | gridLayout = new GridLayout(); | |
200 | gridLayout.numColumns = 1; | |
201 | gridLayout.marginHeight = 0; | |
202 | gridLayout.marginWidth = 0; | |
203 | gridLayout.marginTop = 5; | |
204 | gridLayout.horizontalSpacing = 0; | |
205 | gridLayout.verticalSpacing = 0; | |
206 | gridLayout.marginLeft = 5; | |
207 | gridLayout.marginRight = 5; | |
208 | timeRangeComposite.setLayout(gridLayout); | |
209 | ||
210 | // Use remaining horizontal space | |
211 | gridData = new GridData(); | |
212 | gridData.horizontalAlignment = SWT.FILL; | |
213 | gridData.verticalAlignment = SWT.FILL; | |
214 | gridData.grabExcessHorizontalSpace = true; | |
215 | timeRangeComposite.setLayoutData(gridData); | |
216 | ||
217 | // Histogram | |
218 | fTimeRangeHistogram = new TimeRangeHistogram(this, timeRangeComposite); | |
219 | ||
220 | // -------------------------------------------------------------------- | |
221 | // Full range histogram | |
222 | // -------------------------------------------------------------------- | |
223 | ||
224 | Composite fullRangeComposite = new Composite(viewComposite, SWT.FILL); | |
225 | gridLayout = new GridLayout(); | |
226 | gridLayout.numColumns = 1; | |
227 | gridLayout.marginHeight = 0; | |
228 | gridLayout.marginWidth = 0; | |
229 | gridLayout.marginTop = 5; | |
230 | gridLayout.horizontalSpacing = 0; | |
231 | gridLayout.verticalSpacing = 0; | |
232 | gridLayout.marginLeft = 5; | |
233 | gridLayout.marginRight = 5; | |
234 | fullRangeComposite.setLayout(gridLayout); | |
235 | ||
236 | // Use remaining horizontal space | |
237 | gridData = new GridData(); | |
238 | gridData.horizontalAlignment = SWT.FILL; | |
239 | gridData.verticalAlignment = SWT.FILL; | |
240 | gridData.horizontalSpan = 2; | |
241 | gridData.grabExcessHorizontalSpace = true; | |
242 | fullRangeComposite.setLayoutData(gridData); | |
243 | ||
244 | // Histogram | |
245 | fFullTraceHistogram = new FullTraceHistogram(this, fullRangeComposite); | |
246 | ||
247 | // Load the experiment if present | |
6256d8ad | 248 | fCurrentExperiment = TmfExperiment.getCurrentExperiment(); |
1b055dfa | 249 | if (fCurrentExperiment != null) { |
c392540b | 250 | loadExperiment(); |
1b055dfa | 251 | } |
ecfd1d41 | 252 | } |
c392540b FC |
253 | |
254 | @Override | |
c392540b | 255 | public void setFocus() { |
6256d8ad | 256 | TmfExperiment experiment = TmfExperiment.getCurrentExperiment(); |
c392540b FC |
257 | if ((experiment != null) && (experiment != fCurrentExperiment)) { |
258 | fCurrentExperiment = experiment; | |
259 | initializeHistograms(); | |
260 | } | |
261 | fParent.redraw(); | |
833a21aa | 262 | } |
c392540b FC |
263 | |
264 | // ------------------------------------------------------------------------ | |
265 | // Accessors | |
266 | // ------------------------------------------------------------------------ | |
267 | ||
b544077e BH |
268 | /** |
269 | * Returns the time range of the current selected window (base on default time scale). | |
abbdd66a | 270 | * |
b544077e BH |
271 | * @return the time range of current selected window. |
272 | */ | |
c392540b | 273 | public TmfTimeRange getTimeRange() { |
12c155f5 FC |
274 | return new TmfTimeRange(new TmfTimestamp(fWindowStartTime, TIME_SCALE), new TmfTimestamp(fWindowEndTime, |
275 | TIME_SCALE)); | |
c392540b FC |
276 | } |
277 | ||
278 | // ------------------------------------------------------------------------ | |
279 | // Operations | |
280 | // ------------------------------------------------------------------------ | |
281 | ||
b544077e BH |
282 | /** |
283 | * Broadcast TmfSignal about new current time value. | |
284 | * @param newTime the new current time. | |
285 | */ | |
c392540b FC |
286 | public void updateCurrentEventTime(long newTime) { |
287 | if (fCurrentExperiment != null) { | |
a4115405 | 288 | TmfTimeRange timeRange = new TmfTimeRange(new TmfTimestamp(newTime, TIME_SCALE), TmfTimestamp.BIG_CRUNCH); |
f6ad2e3d | 289 | HistogramRequest request = new HistogramRequest(fTimeRangeHistogram.getDataModel(), timeRange, 0, 1, 0, ExecutionType.FOREGROUND) { |
c392540b | 290 | @Override |
e0752744 | 291 | public void handleData(ITmfEvent event) { |
c392540b FC |
292 | if (event != null) { |
293 | TmfTimeSynchSignal signal = new TmfTimeSynchSignal(this, event.getTimestamp()); | |
294 | TmfSignalManager.dispatchSignal(signal); | |
295 | } | |
296 | } | |
297 | }; | |
298 | fCurrentExperiment.sendRequest(request); | |
299 | } | |
300 | } | |
301 | ||
b544077e BH |
302 | /** |
303 | * Broadcast TmfSignal about new selected time range. | |
304 | * @param startTime the new start time | |
305 | * @param endTime the new end time | |
306 | */ | |
c392540b FC |
307 | public void updateTimeRange(long startTime, long endTime) { |
308 | if (fCurrentExperiment != null) { | |
309 | // Build the new time range; keep the current time | |
12c155f5 FC |
310 | TmfTimeRange timeRange = new TmfTimeRange(new TmfTimestamp(startTime, TIME_SCALE), new TmfTimestamp( |
311 | endTime, TIME_SCALE)); | |
c392540b | 312 | TmfTimestamp currentTime = new TmfTimestamp(fCurrentTimestamp, TIME_SCALE); |
6a13fa07 | 313 | |
c392540b FC |
314 | fTimeSpanControl.setValue(endTime - startTime); |
315 | ||
316 | // Send the FW signal | |
317 | TmfRangeSynchSignal signal = new TmfRangeSynchSignal(this, timeRange, currentTime); | |
318 | TmfSignalManager.dispatchSignal(signal); | |
319 | } | |
320 | } | |
321 | ||
b544077e BH |
322 | /** |
323 | * Broadcast TmfSignal about new selected time range. | |
324 | * @param newDuration new duration (relative to current start time) | |
325 | */ | |
c392540b FC |
326 | public synchronized void updateTimeRange(long newDuration) { |
327 | if (fCurrentExperiment != null) { | |
6a13fa07 | 328 | long delta = newDuration - fWindowSpan; |
1b055dfa | 329 | long newStartTime = fWindowStartTime + (delta / 2); |
6a13fa07 | 330 | setNewRange(newStartTime, newDuration); |
c392540b FC |
331 | } |
332 | } | |
333 | ||
334 | private void setNewRange(long startTime, long duration) { | |
1b055dfa | 335 | if (startTime < fExperimentStartTime) { |
6a13fa07 | 336 | startTime = fExperimentStartTime; |
1b055dfa | 337 | } |
c392540b FC |
338 | |
339 | long endTime = startTime + duration; | |
1b055dfa MK |
340 | if( endTime < startTime ) { |
341 | endTime = fExperimentEndTime; | |
342 | startTime = fExperimentStartTime; | |
343 | } | |
c392540b | 344 | if (endTime > fExperimentEndTime) { |
6a13fa07 | 345 | endTime = fExperimentEndTime; |
1b055dfa | 346 | if ((endTime - duration) > fExperimentStartTime) { |
6a13fa07 | 347 | startTime = endTime - duration; |
1b055dfa | 348 | } else { |
6a13fa07 FC |
349 | startTime = fExperimentStartTime; |
350 | } | |
c392540b FC |
351 | } |
352 | updateTimeRange(startTime, endTime); | |
833a21aa | 353 | } |
c392540b FC |
354 | |
355 | // ------------------------------------------------------------------------ | |
356 | // Signal handlers | |
357 | // ------------------------------------------------------------------------ | |
358 | ||
b544077e BH |
359 | /** |
360 | * Handles experiment selected signal. Loads histogram if new experiment time range is not | |
361 | * equal <code>TmfTimeRange.NULL_RANGE</code> | |
362 | * @param signal the experiment selected signal | |
363 | */ | |
1406f802 | 364 | @TmfSignalHandler |
6256d8ad | 365 | public void experimentSelected(TmfExperimentSelectedSignal signal) { |
c392540b | 366 | assert (signal != null); |
6256d8ad | 367 | fCurrentExperiment = signal.getExperiment(); |
c392540b | 368 | loadExperiment(); |
ecfd1d41 | 369 | } |
550d787e | 370 | |
c392540b | 371 | private void loadExperiment() { |
c392540b FC |
372 | initializeHistograms(); |
373 | fParent.redraw(); | |
550d787e FC |
374 | } |
375 | ||
ea279a69 FC |
376 | /** |
377 | * @param signal the incoming signal | |
378 | * @since 2.0 | |
379 | */ | |
380 | @TmfSignalHandler | |
381 | public void experimentDisposed(TmfExperimentDisposedSignal signal) { | |
382 | ||
383 | // Kill any running request | |
384 | if ((fTimeRangeRequest != null) && !fTimeRangeRequest.isCompleted()) { | |
385 | fTimeRangeRequest.cancel(); | |
386 | } | |
387 | if ((fFullTraceRequest != null) && !fFullTraceRequest.isCompleted()) { | |
388 | fFullTraceRequest.cancel(); | |
389 | } | |
390 | ||
391 | // Initialize the internal data | |
392 | fCurrentExperiment = null; | |
393 | fExperimentStartTime = 0; | |
394 | fExperimentEndTime = 0; | |
395 | fWindowStartTime = 0; | |
396 | fWindowEndTime = 0; | |
397 | fWindowSpan = INITIAL_WINDOW_SPAN; | |
398 | fCurrentTimestamp = 0; | |
399 | ||
400 | // Clear the UI widgets | |
401 | fFullTraceHistogram.clear(); | |
402 | fTimeRangeHistogram.clear(); | |
403 | fCurrentEventTimeControl.setValue(0); | |
404 | fTimeSpanControl.setValue(0); | |
405 | } | |
406 | ||
b544077e | 407 | /** |
abbdd66a | 408 | * Handles experiment range updated signal. Extends histogram according to the new time range. If a |
b544077e BH |
409 | * HistogramRequest is already ongoing, it will be cancelled and a new request with the new range |
410 | * will be issued. | |
abbdd66a | 411 | * |
b544077e BH |
412 | * @param signal the experiment range updated signal |
413 | */ | |
74237cc3 | 414 | @TmfSignalHandler |
74237cc3 FC |
415 | public void experimentRangeUpdated(TmfExperimentRangeUpdatedSignal signal) { |
416 | ||
09d11238 PT |
417 | if (signal.getExperiment() != fCurrentExperiment) { |
418 | return; | |
419 | } | |
420 | ||
74237cc3 FC |
421 | boolean drawTimeRangeHistogram = fExperimentStartTime == 0; |
422 | TmfTimeRange fullRange = signal.getRange(); | |
423 | ||
cbfc3c2a PT |
424 | fExperimentStartTime = fullRange.getStartTime().normalize(0, -9).getValue(); |
425 | fExperimentEndTime = fullRange.getEndTime().normalize(0, -9).getValue(); | |
74237cc3 FC |
426 | |
427 | fFullTraceHistogram.setFullRange(fExperimentStartTime, fExperimentEndTime); | |
428 | fTimeRangeHistogram.setFullRange(fExperimentStartTime, fExperimentEndTime); | |
429 | ||
430 | if (drawTimeRangeHistogram) { | |
431 | fCurrentTimestamp = fExperimentStartTime; | |
432 | fCurrentEventTimeControl.setValue(fCurrentTimestamp); | |
433 | fFullTraceHistogram.setTimeRange(fExperimentStartTime, INITIAL_WINDOW_SPAN); | |
434 | fTimeRangeHistogram.setTimeRange(fExperimentStartTime, INITIAL_WINDOW_SPAN); | |
435 | sendTimeRangeRequest(fExperimentStartTime, fExperimentStartTime + INITIAL_WINDOW_SPAN); | |
436 | } | |
437 | ||
438 | sendFullRangeRequest(fullRange); | |
439 | } | |
c392540b | 440 | |
b544077e BH |
441 | /** |
442 | * Handles the experiment updated signal. Used to update time limits (start and end time) | |
443 | * @param signal the experiment updated signal | |
444 | */ | |
a28d503d PT |
445 | @TmfSignalHandler |
446 | public void experimentUpdated(TmfExperimentUpdatedSignal signal) { | |
447 | if (signal.getExperiment() != fCurrentExperiment) { | |
448 | return; | |
449 | } | |
450 | TmfTimeRange fullRange = signal.getExperiment().getTimeRange(); | |
cbfc3c2a PT |
451 | fExperimentStartTime = fullRange.getStartTime().normalize(0, -9).getValue(); |
452 | fExperimentEndTime = fullRange.getEndTime().normalize(0, -9).getValue(); | |
a28d503d PT |
453 | |
454 | fFullTraceHistogram.setFullRange(fExperimentStartTime, fExperimentEndTime); | |
455 | fTimeRangeHistogram.setFullRange(fExperimentStartTime, fExperimentEndTime); | |
456 | } | |
457 | ||
b544077e BH |
458 | /** |
459 | * Handles the current time updated signal. Sets the current time in the time range | |
460 | * histogram as well as the full histogram. | |
abbdd66a | 461 | * |
b544077e BH |
462 | * @param signal the signal to process |
463 | */ | |
c392540b FC |
464 | @TmfSignalHandler |
465 | public void currentTimeUpdated(TmfTimeSynchSignal signal) { | |
466 | // Because this can't happen :-) | |
467 | assert (signal != null); | |
468 | ||
469 | // Update the selected event time | |
4df4581d | 470 | ITmfTimestamp currentTime = signal.getCurrentTime(); |
cbfc3c2a | 471 | fCurrentTimestamp = currentTime.normalize(0, -9).getValue(); |
c392540b FC |
472 | |
473 | // Notify the relevant widgets | |
474 | fFullTraceHistogram.setCurrentEvent(fCurrentTimestamp); | |
475 | fTimeRangeHistogram.setCurrentEvent(fCurrentTimestamp); | |
476 | fCurrentEventTimeControl.setValue(fCurrentTimestamp); | |
ecfd1d41 | 477 | } |
f05aabed | 478 | |
b544077e BH |
479 | /** |
480 | * Updates the current time range in the time range histogram and full range histogram. | |
481 | * @param signal the signal to process | |
482 | */ | |
c392540b FC |
483 | @TmfSignalHandler |
484 | public void timeRangeUpdated(TmfRangeSynchSignal signal) { | |
485 | // Because this can't happen :-) | |
486 | assert (signal != null); | |
487 | ||
488 | if (fCurrentExperiment != null) { | |
489 | // Update the time range | |
cbfc3c2a PT |
490 | fWindowStartTime = signal.getCurrentRange().getStartTime().normalize(0, -9).getValue(); |
491 | fWindowEndTime = signal.getCurrentRange().getEndTime().normalize(0, -9).getValue(); | |
c392540b FC |
492 | fWindowSpan = fWindowEndTime - fWindowStartTime; |
493 | ||
494 | // Notify the relevant widgets | |
495 | sendTimeRangeRequest(fWindowStartTime, fWindowEndTime); | |
496 | fFullTraceHistogram.setTimeRange(fWindowStartTime, fWindowSpan); | |
497 | fTimeSpanControl.setValue(fWindowSpan); | |
498 | } | |
b59134e1 | 499 | } |
c392540b FC |
500 | |
501 | // ------------------------------------------------------------------------ | |
502 | // Helper functions | |
503 | // ------------------------------------------------------------------------ | |
504 | ||
505 | private void initializeHistograms() { | |
ea279a69 | 506 | TmfTimeRange fullRange = updateExperimentTimeRange(); |
74237cc3 FC |
507 | |
508 | fTimeRangeHistogram.clear(); | |
c392540b FC |
509 | fTimeRangeHistogram.setFullRange(fExperimentStartTime, fExperimentEndTime); |
510 | fTimeRangeHistogram.setTimeRange(fExperimentStartTime, INITIAL_WINDOW_SPAN); | |
511 | fTimeRangeHistogram.setCurrentEvent(fExperimentStartTime); | |
512 | ||
74237cc3 | 513 | fFullTraceHistogram.clear(); |
6a13fa07 | 514 | fFullTraceHistogram.setFullRange(fExperimentStartTime, fExperimentEndTime); |
c392540b FC |
515 | fFullTraceHistogram.setTimeRange(fExperimentStartTime, INITIAL_WINDOW_SPAN); |
516 | fFullTraceHistogram.setCurrentEvent(fExperimentStartTime); | |
517 | ||
518 | fWindowStartTime = fExperimentStartTime; | |
519 | fWindowSpan = INITIAL_WINDOW_SPAN; | |
520 | fWindowEndTime = fWindowStartTime + fWindowSpan; | |
6a13fa07 | 521 | |
c392540b FC |
522 | fCurrentEventTimeControl.setValue(fExperimentStartTime); |
523 | fTimeSpanControl.setValue(fWindowSpan); | |
6a13fa07 | 524 | |
2af7df97 FC |
525 | if (!fullRange.equals(TmfTimeRange.NULL_RANGE)) { |
526 | sendTimeRangeRequest(fExperimentStartTime, fExperimentStartTime + fWindowSpan); | |
527 | sendFullRangeRequest(fullRange); | |
528 | } | |
74237cc3 FC |
529 | } |
530 | ||
ea279a69 | 531 | private TmfTimeRange updateExperimentTimeRange() { |
74237cc3 FC |
532 | fExperimentStartTime = 0; |
533 | fExperimentEndTime = 0; | |
534 | fCurrentTimestamp = 0; | |
535 | ||
536 | TmfTimeRange timeRange = fCurrentExperiment.getTimeRange(); | |
c6023803 | 537 | if (!timeRange.equals(TmfTimeRange.NULL_RANGE)) { |
cbfc3c2a PT |
538 | fExperimentStartTime = timeRange.getStartTime().normalize(0, -9).getValue(); |
539 | fExperimentEndTime = timeRange.getEndTime().normalize(0, -9).getValue(); | |
74237cc3 FC |
540 | fCurrentTimestamp = fExperimentStartTime; |
541 | } | |
542 | return timeRange; | |
b59134e1 | 543 | } |
c392540b FC |
544 | |
545 | private void sendTimeRangeRequest(long startTime, long endTime) { | |
1b055dfa | 546 | if ((fTimeRangeRequest != null) && !fTimeRangeRequest.isCompleted()) { |
c392540b | 547 | fTimeRangeRequest.cancel(); |
088c1d4e | 548 | } |
c392540b FC |
549 | TmfTimestamp startTS = new TmfTimestamp(startTime, TIME_SCALE); |
550 | TmfTimestamp endTS = new TmfTimestamp(endTime, TIME_SCALE); | |
551 | TmfTimeRange timeRange = new TmfTimeRange(startTS, endTS); | |
552 | ||
553 | fTimeRangeHistogram.clear(); | |
554 | fTimeRangeHistogram.setTimeRange(startTime, endTime - startTime); | |
4cf201de | 555 | |
f6ad2e3d FC |
556 | int cacheSize = fCurrentExperiment.getCacheSize(); |
557 | fTimeRangeRequest = new HistogramRequest(fTimeRangeHistogram.getDataModel(), timeRange, 0, TmfDataRequest.ALL_DATA, cacheSize, ExecutionType.FOREGROUND); | |
c392540b | 558 | fCurrentExperiment.sendRequest(fTimeRangeRequest); |
088c1d4e | 559 | } |
c392540b | 560 | |
74237cc3 | 561 | private void sendFullRangeRequest(TmfTimeRange fullRange) { |
1b055dfa | 562 | if ((fFullTraceRequest != null) && !fFullTraceRequest.isCompleted()) { |
c392540b FC |
563 | fFullTraceRequest.cancel(); |
564 | } | |
f6ad2e3d | 565 | int cacheSize = fCurrentExperiment.getCacheSize(); |
fbd124dd | 566 | fFullTraceRequest = new HistogramRequest(fFullTraceHistogram.getDataModel(), fullRange, (int) fFullTraceHistogram.fDataModel.getNbEvents(), |
f6ad2e3d | 567 | TmfDataRequest.ALL_DATA, cacheSize, ExecutionType.BACKGROUND); |
c392540b | 568 | fCurrentExperiment.sendRequest(fFullTraceRequest); |
ed4b3b9f | 569 | } |
c392540b | 570 | |
6e512b93 | 571 | } |