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6e512b93 | 1 | /******************************************************************************* |
8827c197 | 2 | * Copyright (c) 2009 2010 Ericsson |
6e512b93 ASL |
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 | * Francois Chouinard - Initial API and implementation | |
11 | *******************************************************************************/ | |
12 | ||
13 | package org.eclipse.linuxtools.lttng.ui.views.timeframe; | |
14 | ||
6c13869b | 15 | import org.eclipse.linuxtools.lttng.core.event.LttngEvent; |
4df4581d | 16 | import org.eclipse.linuxtools.tmf.core.event.ITmfTimestamp; |
6c13869b FC |
17 | import org.eclipse.linuxtools.tmf.core.event.TmfTimeRange; |
18 | import org.eclipse.linuxtools.tmf.core.event.TmfTimestamp; | |
19 | import org.eclipse.linuxtools.tmf.core.experiment.TmfExperiment; | |
20 | import org.eclipse.linuxtools.tmf.core.signal.TmfExperimentSelectedSignal; | |
21 | import org.eclipse.linuxtools.tmf.core.signal.TmfExperimentUpdatedSignal; | |
22 | import org.eclipse.linuxtools.tmf.core.signal.TmfRangeSynchSignal; | |
23 | import org.eclipse.linuxtools.tmf.core.signal.TmfSignalHandler; | |
24 | import org.eclipse.linuxtools.tmf.core.signal.TmfTimeSynchSignal; | |
6d848cce | 25 | import org.eclipse.linuxtools.tmf.ui.views.TmfView; |
6e512b93 ASL |
26 | import org.eclipse.swt.SWT; |
27 | import org.eclipse.swt.layout.GridData; | |
28 | import org.eclipse.swt.layout.GridLayout; | |
29 | import org.eclipse.swt.widgets.Composite; | |
62d1696a FC |
30 | import org.eclipse.swt.widgets.Event; |
31 | import org.eclipse.swt.widgets.Listener; | |
6e512b93 ASL |
32 | import org.eclipse.swt.widgets.Slider; |
33 | ||
34 | /** | |
35 | * <b><u>TimeFrameView</u></b> | |
36 | * <p> | |
12c155f5 FC |
37 | * The TimeFrameView provides a set of spinners to monitor and set the start time, end time, the current time interval |
38 | * and current time of the trace set at the nanosecond level. | |
6e512b93 ASL |
39 | * <p> |
40 | * It ensures that the following relations are always true: | |
41 | * <p> | |
42 | * <li>[ startTime >= start time of the trace ] | |
43 | * <li>[ endTime <= end time of the trace ] | |
44 | * <li>[ startTime <= currentTime <= endTime ] | |
a2e53983 | 45 | * <li>[ interval == (endTime - startTime) ]</li> |
6e512b93 | 46 | * <p> |
12c155f5 | 47 | * It provides a slider to rapidly set the current time within the time range (i.e. between startTime and endTime). |
6e512b93 | 48 | * <p> |
12c155f5 FC |
49 | * Finally, it allows modification of the time range and the current time. This triggers notifications to the other |
50 | * LTTng views. | |
6e512b93 | 51 | * <p> |
12c155f5 FC |
52 | * FIXME: The slider is very jumpy due to the large number of async updates FIXME: Revisit the control flow between |
53 | * View, Spinners and Slider | |
6e512b93 | 54 | */ |
12c155f5 | 55 | @Deprecated |
6d848cce | 56 | public class TimeFrameView extends TmfView { |
6e512b93 | 57 | |
3b38ea61 | 58 | public static final String ID = "org.eclipse.linuxtools.lttng.ui.views.timeframe"; //$NON-NLS-1$ |
6e512b93 | 59 | |
a2e53983 | 60 | // ------------------------------------------------------------------------ |
6e512b93 | 61 | // TimeFrameView |
a2e53983 | 62 | // ------------------------------------------------------------------------ |
6e512b93 ASL |
63 | |
64 | // The event log timestamp characteristics | |
4df4581d | 65 | private ITmfTimestamp fTraceStartTime = new TmfTimestamp(); |
66 | private ITmfTimestamp fTraceEndTime = new TmfTimestamp(); | |
a2e53983 | 67 | |
4df4581d | 68 | private ITmfTimestamp fCurrentTime = new TmfTimestamp(); |
6e512b93 | 69 | |
6e512b93 | 70 | private TmfTimeRange fTraceTimeRange = new TmfTimeRange(fTraceStartTime, fTraceEndTime); |
a2e53983 | 71 | private TmfTimeRange fTraceSpan = new TmfTimeRange(fTraceStartTime, fTraceEndTime); |
5179fc01 | 72 | private int fScale = 0; |
6e512b93 | 73 | |
62d1696a | 74 | // Labels |
12c155f5 FC |
75 | private static final String START_TIME_LABEL = Messages.TimeFrameView_WindowStartTime; |
76 | private static final String END_TIME_LABEL = Messages.TimeFrameView_WindowEndTime; | |
77 | private static final String TIME_RANGE_LABEL = Messages.TimeFrameView_WindowRange; | |
a2e53983 | 78 | private static final String CURRENT_TIME_LABEL = Messages.TimeFrameView_CurrentTime; |
62d1696a | 79 | |
6e512b93 ASL |
80 | private static final int SLIDER_RANGE = 10000; |
81 | ||
82 | private SpinnerGroup fStartGroup; | |
83 | private SpinnerGroup fEndGroup; | |
84 | private SpinnerGroup fRangeGroup; | |
85 | private SpinnerGroup fCurrentGroup; | |
86 | ||
87 | // The slider | |
88 | private Slider fSlider; | |
89 | ||
62d1696a | 90 | // The current experiment |
e31e01e8 | 91 | TmfExperiment<LttngEvent> fExperiment = null; |
8827c197 | 92 | |
a2e53983 FC |
93 | // notify external listeners may not be needed if the update originated externally |
94 | private boolean fupdateExternalListeners = true; | |
6e512b93 | 95 | |
a2e53983 FC |
96 | // ------------------------------------------------------------------------ |
97 | // Constructor | |
98 | // ------------------------------------------------------------------------ | |
12c155f5 | 99 | |
6e512b93 ASL |
100 | /** |
101 | * Constructor | |
102 | */ | |
103 | public TimeFrameView() { | |
12c155f5 | 104 | super("TimeFrameView"); //$NON-NLS-1$ |
6e512b93 ASL |
105 | } |
106 | ||
a2e53983 FC |
107 | /* |
108 | * (non-Javadoc) | |
109 | * | |
12c155f5 | 110 | * @see org.eclipse.ui.part.WorkbenchPart#createPartControl(org.eclipse.swt.widgets .Composite) |
6e512b93 | 111 | */ |
a2e53983 FC |
112 | @Override |
113 | public void createPartControl(Composite parent) { | |
6e512b93 | 114 | |
12c155f5 FC |
115 | // Set the view layout |
116 | GridLayout layout = new GridLayout(4, true); | |
117 | parent.setLayout(layout); | |
6e512b93 | 118 | |
12c155f5 FC |
119 | fStartGroup = new SpinnerGroup(this, parent, START_TIME_LABEL, fTraceTimeRange, fTraceStartTime); |
120 | fEndGroup = new SpinnerGroup(this, parent, END_TIME_LABEL, fTraceTimeRange, fTraceEndTime); | |
121 | fRangeGroup = new SpinnerGroup(this, parent, TIME_RANGE_LABEL, fTraceTimeRange, fTraceEndTime); | |
122 | fCurrentGroup = new SpinnerGroup(this, parent, CURRENT_TIME_LABEL, fTraceTimeRange, fTraceStartTime); | |
6e512b93 | 123 | |
12c155f5 FC |
124 | // Create the slider |
125 | createSlider(parent); | |
6e512b93 ASL |
126 | } |
127 | ||
a2e53983 FC |
128 | /* |
129 | * (non-Javadoc) | |
130 | * | |
6e512b93 ASL |
131 | * @see org.eclipse.ui.part.WorkbenchPart#setFocus() |
132 | */ | |
a2e53983 FC |
133 | @Override |
134 | public void setFocus() { | |
12c155f5 | 135 | // TODO Auto-generated method stub |
6e512b93 ASL |
136 | } |
137 | ||
a2e53983 | 138 | // ------------------------------------------------------------------------ |
6e512b93 | 139 | // Operators |
a2e53983 | 140 | // ------------------------------------------------------------------------ |
6e512b93 ASL |
141 | |
142 | /** | |
143 | * One of the spinners has been updated. Synchronize the other widgets. | |
144 | */ | |
145 | public void synchTimeFrameWidgets(SpinnerGroup trigger) { | |
12c155f5 FC |
146 | boolean trangeUpdated = false; |
147 | ||
148 | // Collect the data | |
4df4581d | 149 | ITmfTimestamp startTime = fStartGroup.getCurrentTime(); |
150 | ITmfTimestamp endTime = fEndGroup.getCurrentTime(); | |
151 | ITmfTimestamp timeRange = fRangeGroup.getCurrentTime(); | |
152 | ITmfTimestamp currentTime = fCurrentGroup.getCurrentTime(); | |
12c155f5 FC |
153 | |
154 | // If startTime was set beyond endTime, adjust endTime and interval | |
155 | if (trigger == fStartGroup) { | |
156 | if (startTime.compareTo(endTime, false) > 0) { | |
157 | endTime = startTime; | |
158 | trangeUpdated = true; | |
159 | } | |
160 | } | |
161 | ||
162 | // If endTime was set beyond startTime, adjust startTime and interval | |
163 | if (trigger == fEndGroup) { | |
164 | if (endTime.compareTo(startTime, false) < 0) { | |
165 | startTime = endTime; | |
166 | trangeUpdated = true; | |
167 | } | |
168 | } | |
169 | ||
170 | // If timeRange was set, adjust endTime | |
171 | if (trigger == fRangeGroup) { | |
172 | long start = startTime.getValue(); | |
173 | long span = timeRange.getValue(); | |
4df4581d | 174 | ITmfTimestamp ts = new TmfTimestamp(start + span, startTime.getScale(), 0); |
12c155f5 | 175 | if (ts.compareTo(fTraceEndTime, false) > 0) { |
5179fc01 | 176 | ts = fTraceEndTime.clone(); |
12c155f5 FC |
177 | } |
178 | endTime = ts; | |
179 | trangeUpdated = true; | |
180 | } | |
181 | ||
182 | // Compute the new time range | |
183 | TmfTimeRange subrange = new TmfTimeRange(startTime, endTime); | |
5179fc01 | 184 | int scale = startTime.getScale(); |
4df4581d | 185 | ITmfTimestamp interval = (TmfTimestamp) startTime.getDelta(endTime); |
12c155f5 FC |
186 | |
187 | // Update the spinner groups | |
188 | fStartGroup.setContent(fTraceTimeRange, startTime); | |
189 | fEndGroup.setContent(fTraceTimeRange, endTime); | |
190 | fRangeGroup.setContent(fTraceSpan, interval); | |
191 | fCurrentGroup.setContent(subrange, currentTime); | |
192 | ||
193 | updateSlider(subrange, currentTime); | |
194 | // Notify other views, only if the update originated from this view | |
195 | if (fupdateExternalListeners) { | |
196 | if (!fCurrentTime.equals(currentTime)) { | |
197 | fCurrentTime = currentTime; | |
198 | broadcast(new TmfTimeSynchSignal(this, currentTime)); | |
199 | } | |
200 | ||
201 | // Notify the views if the time range has been impacted | |
202 | if (trangeUpdated) { | |
203 | TmfTimeRange trange = new TmfTimeRange(startTime, endTime); | |
204 | broadcast(new TmfRangeSynchSignal(this, trange, currentTime)); | |
205 | } | |
206 | } | |
6e512b93 ASL |
207 | } |
208 | ||
a2e53983 | 209 | // ------------------------------------------------------------------------ |
6e512b93 | 210 | // Slider Handling |
a2e53983 | 211 | // ------------------------------------------------------------------------ |
6e512b93 ASL |
212 | |
213 | /** | |
214 | * @param parent | |
215 | */ | |
216 | private void createSlider(Composite parent) { | |
12c155f5 FC |
217 | fSlider = new Slider(parent, SWT.SMOOTH | SWT.FILL); |
218 | fSlider.setMinimum(0); | |
219 | fSlider.setMaximum(SLIDER_RANGE + fSlider.getThumb()); | |
220 | fSlider.setIncrement(SLIDER_RANGE / 100); | |
221 | fSlider.setPageIncrement(SLIDER_RANGE / 10); | |
222 | fSlider.setSelection(0); | |
223 | ||
224 | GridData gridData = new GridData(SWT.LEFT, SWT.TOP, true, false); | |
225 | gridData.horizontalAlignment = SWT.FILL; | |
226 | gridData.horizontalSpan = 4; | |
227 | fSlider.setLayoutData(gridData); | |
228 | ||
229 | fSlider.addListener(SWT.Selection, new Listener() { | |
230 | @Override | |
231 | public void handleEvent(Event event) { | |
232 | int ratio = fSlider.getSelection(); | |
4df4581d | 233 | ITmfTimestamp span = fCurrentGroup.getSpan(); |
12c155f5 | 234 | long value = span.getValue() * ratio / SLIDER_RANGE; |
4df4581d | 235 | ITmfTimestamp start = fCurrentGroup.getStartTime(); |
236 | ITmfTimestamp current = new TmfTimestamp(start.getValue() + value, start.getScale(), 0); | |
12c155f5 FC |
237 | fCurrentGroup.setValue(current); |
238 | } | |
239 | }); | |
bf5aa8e4 | 240 | |
6e512b93 ASL |
241 | } |
242 | ||
243 | /** | |
244 | * @param range | |
8d2e2848 | 245 | * @param timestamp |
6e512b93 | 246 | */ |
4df4581d | 247 | private void updateSlider(TmfTimeRange range, ITmfTimestamp timestamp) { |
6e512b93 | 248 | |
12c155f5 FC |
249 | // Ignore update if disposed |
250 | if (fSlider.isDisposed()) | |
251 | return; | |
252 | ||
253 | // Determine the new relative position | |
5179fc01 FC |
254 | int scale = range.getEndTime().getScale(); |
255 | long total = range.getStartTime().getDelta(range.getEndTime()).getValue(); | |
256 | long relative = range.getStartTime().getDelta(timestamp).getValue(); | |
12c155f5 FC |
257 | |
258 | // Set the slider value | |
259 | final long position = (total > 0) ? (relative * SLIDER_RANGE / total) : 0; | |
260 | ||
261 | // Update the slider on the UI thread | |
262 | long current = fSlider.getSelection(); | |
263 | if (position != current) { | |
264 | fSlider.getDisplay().asyncExec(new Runnable() { | |
265 | @Override | |
266 | public void run() { | |
267 | fSlider.setSelection((int) position); | |
268 | } | |
269 | }); | |
270 | } | |
8b29a712 FC |
271 | } |
272 | ||
a2e53983 FC |
273 | /* |
274 | * (non-Javadoc) | |
275 | * | |
276 | * @see java.lang.Object#toString() | |
277 | */ | |
278 | @Override | |
279 | @SuppressWarnings("nls") | |
280 | public String toString() { | |
12c155f5 | 281 | return "[TimeFrameView]"; |
a2e53983 | 282 | } |
8d2e2848 | 283 | |
a2e53983 FC |
284 | // ------------------------------------------------------------------------ |
285 | // Signal Handling | |
286 | // ------------------------------------------------------------------------ | |
6e512b93 | 287 | |
a2e53983 | 288 | /** |
6e512b93 ASL |
289 | * @param signal |
290 | */ | |
09acd610 | 291 | @SuppressWarnings("unchecked") |
6e512b93 | 292 | @TmfSignalHandler |
951d134a | 293 | public void experimentSelected(TmfExperimentSelectedSignal<LttngEvent> signal) { |
6e512b93 | 294 | |
12c155f5 FC |
295 | // Update the trace reference |
296 | fExperiment = (TmfExperiment<LttngEvent>) signal.getExperiment(); | |
6e512b93 | 297 | |
12c155f5 FC |
298 | // Update the time frame |
299 | fTraceTimeRange = fExperiment.getTimeRange(); | |
300 | fTraceStartTime = fTraceTimeRange.getStartTime(); | |
301 | fTraceEndTime = fTraceTimeRange.getEndTime(); | |
302 | fScale = fTraceStartTime.getScale(); | |
6e512b93 | 303 | |
12c155f5 FC |
304 | // Update the widgets |
305 | fStartGroup.setContent(fTraceTimeRange, fTraceStartTime); | |
306 | fEndGroup.setContent(fTraceTimeRange, fTraceEndTime); | |
307 | fCurrentGroup.setContent(fTraceTimeRange, fTraceStartTime); | |
6e512b93 | 308 | |
12c155f5 | 309 | fCurrentTime = fTraceStartTime; |
6e512b93 | 310 | |
4df4581d | 311 | ITmfTimestamp delta = fTraceStartTime.getDelta(fTraceEndTime); |
12c155f5 FC |
312 | fTraceSpan = new TmfTimeRange(new TmfTimestamp(0, fScale, 0), delta); |
313 | // fRangeGroup.setContent(fTraceSpan, delta); | |
4df4581d | 314 | ITmfTimestamp start = new TmfTimestamp(1, (byte) -1, 0); |
12c155f5 | 315 | fRangeGroup.setContent(fTraceSpan, start); |
6e512b93 ASL |
316 | } |
317 | ||
318 | /** | |
319 | * @param signal | |
320 | */ | |
321 | @TmfSignalHandler | |
6d848cce | 322 | public void experimentUpdated(TmfExperimentUpdatedSignal signal) { |
09d11238 PT |
323 | if (signal.getExperiment() != fExperiment) { |
324 | return; | |
325 | } | |
6e512b93 | 326 | |
12c155f5 FC |
327 | // Update the time frame |
328 | // fTraceTimeRange = signal.getTrace().getTimeRange(); | |
329 | fTraceTimeRange = signal.getExperiment().getTimeRange(); | |
330 | fTraceStartTime = fTraceTimeRange.getStartTime(); | |
331 | fTraceEndTime = fTraceTimeRange.getEndTime(); | |
332 | fScale = fTraceStartTime.getScale(); | |
333 | ||
334 | // Update the widgets | |
335 | fStartGroup.setContent(fTraceTimeRange, fStartGroup.getCurrentTime()); | |
336 | fEndGroup.setContent(fTraceTimeRange, fTraceEndTime); | |
337 | fCurrentGroup.setContent(fTraceTimeRange, fCurrentGroup.getCurrentTime()); | |
338 | ||
4df4581d | 339 | ITmfTimestamp delta = fTraceStartTime.getDelta(fTraceEndTime); |
12c155f5 FC |
340 | fTraceSpan = new TmfTimeRange(new TmfTimestamp(0, fScale, 0), delta); |
341 | fRangeGroup.setContent(fTraceSpan, delta); | |
6e512b93 ASL |
342 | } |
343 | ||
a2e53983 FC |
344 | /** |
345 | * @param signal | |
346 | */ | |
347 | @TmfSignalHandler | |
348 | public void currentTimeRangeUpdated(TmfRangeSynchSignal signal) { | |
12c155f5 FC |
349 | if (signal.getSource() != this) { |
350 | // Update the time frame | |
351 | TmfTimeRange selTimeRange = signal.getCurrentRange(); | |
4df4581d | 352 | ITmfTimestamp selStart = selTimeRange.getStartTime().normalize(0, fScale); |
353 | ITmfTimestamp selEnd = selTimeRange.getEndTime().normalize(0, fScale); | |
a2e53983 | 354 | |
12c155f5 FC |
355 | fupdateExternalListeners = false; |
356 | // Update the widgets and prevent broadcast notifications to | |
357 | // the views which have been notified already. | |
358 | { | |
359 | fStartGroup.setContent(fTraceTimeRange, selStart); | |
360 | fEndGroup.setContent(fTraceTimeRange, selEnd); | |
a2e53983 | 361 | |
4df4581d | 362 | ITmfTimestamp delta = selStart.getDelta(selEnd); |
a2e53983 | 363 | |
12c155f5 FC |
364 | fRangeGroup.setContent(fTraceSpan, delta); |
365 | } | |
a2e53983 | 366 | |
12c155f5 FC |
367 | // restore the external notification flag |
368 | fupdateExternalListeners = true; | |
8827c197 | 369 | |
12c155f5 | 370 | } |
a2e53983 | 371 | } |
8827c197 | 372 | |
6e512b93 ASL |
373 | /** |
374 | * @param signal | |
375 | */ | |
376 | @TmfSignalHandler | |
377 | public void currentTimeUpdated(TmfTimeSynchSignal signal) { | |
12c155f5 FC |
378 | if (signal.getSource() != this) { |
379 | // prevent loop to external notifications | |
380 | fupdateExternalListeners = false; | |
4df4581d | 381 | fCurrentTime = signal.getCurrentTime().normalize(0, fStartGroup.getCurrentTime().getScale()); |
12c155f5 FC |
382 | if (fStartGroup.getCurrentTime().compareTo(fCurrentTime, false) > 0) { |
383 | fStartGroup.setContent(new TmfTimeRange(fCurrentTime, fEndGroup.getCurrentTime()), fCurrentTime); | |
384 | } | |
385 | if (fEndGroup.getCurrentTime().compareTo(fCurrentTime, false) < 0) { | |
386 | fEndGroup.setContent(new TmfTimeRange(fStartGroup.getCurrentTime(), fCurrentTime), fCurrentTime); | |
387 | } | |
388 | fCurrentGroup.setContent(null, fCurrentTime); | |
389 | updateSlider(fCurrentGroup.getTimeRange(), fCurrentTime); | |
390 | ||
391 | // Enable external notifications | |
392 | fupdateExternalListeners = true; | |
393 | } | |
6e512b93 ASL |
394 | } |
395 | ||
4b8c992a | 396 | } |