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1 | /*******************************************************************************\r |
2 | * Copyright (c) 2010 Ericsson\r | |
3 | * \r | |
4 | * All rights reserved. This program and the accompanying materials are\r | |
5 | * made available under the terms of the Eclipse Public License v1.0 which\r | |
6 | * accompanies this distribution, and is available at\r | |
7 | * http://www.eclipse.org/legal/epl-v10.html\r | |
8 | * \r | |
9 | * Contributors:\r | |
10 | * Francois Chouinard - Initial API and implementation\r | |
11 | * Patrick Tasse - Factored out from events view\r | |
9ccc6d01 | 12 | * Francois Chouinard - Replaced Table by TmfVirtualTable\r |
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13 | *******************************************************************************/\r |
14 | \r | |
15 | package org.eclipse.linuxtools.tmf.ui.viewers.events;\r | |
16 | \r | |
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17 | import org.eclipse.core.runtime.IProgressMonitor;\r |
18 | import org.eclipse.core.runtime.IStatus;\r | |
19 | import org.eclipse.core.runtime.Status;\r | |
20 | import org.eclipse.core.runtime.jobs.Job;\r | |
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21 | import org.eclipse.linuxtools.tmf.component.ITmfDataProvider;\r |
22 | import org.eclipse.linuxtools.tmf.component.TmfComponent;\r | |
23 | import org.eclipse.linuxtools.tmf.event.TmfEvent;\r | |
24 | import org.eclipse.linuxtools.tmf.event.TmfTimestamp;\r | |
25 | import org.eclipse.linuxtools.tmf.request.TmfDataRequest;\r | |
26 | import org.eclipse.linuxtools.tmf.signal.TmfExperimentUpdatedSignal;\r | |
27 | import org.eclipse.linuxtools.tmf.signal.TmfRangeSynchSignal;\r | |
28 | import org.eclipse.linuxtools.tmf.signal.TmfSignalHandler;\r | |
29 | import org.eclipse.linuxtools.tmf.signal.TmfTimeSynchSignal;\r | |
30 | import org.eclipse.linuxtools.tmf.signal.TmfTraceUpdatedSignal;\r | |
31 | import org.eclipse.linuxtools.tmf.trace.ITmfTrace;\r | |
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32 | import org.eclipse.linuxtools.tmf.ui.widgets.ColumnData;\r |
33 | import org.eclipse.linuxtools.tmf.ui.widgets.TmfVirtualTable;\r | |
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34 | import org.eclipse.swt.SWT;\r |
35 | import org.eclipse.swt.events.SelectionAdapter;\r | |
36 | import org.eclipse.swt.events.SelectionEvent;\r | |
37 | import org.eclipse.swt.layout.GridData;\r | |
38 | import org.eclipse.swt.widgets.Composite;\r | |
39 | import org.eclipse.swt.widgets.Event;\r | |
40 | import org.eclipse.swt.widgets.Listener;\r | |
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41 | import org.eclipse.swt.widgets.TableColumn;\r |
42 | import org.eclipse.swt.widgets.TableItem;\r | |
43 | \r | |
44 | /**\r | |
45 | * <b><u>TmfEventsTable</u></b>\r | |
46 | */\r | |
47 | public class TmfEventsTable extends TmfComponent {\r | |
48 | \r | |
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49 | // ------------------------------------------------------------------------\r |
50 | // Table data\r | |
51 | // ------------------------------------------------------------------------\r | |
52 | \r | |
9ccc6d01 | 53 | protected TmfVirtualTable fTable;\r |
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54 | protected ITmfTrace fTrace;\r |
55 | protected boolean fPackDone = false;\r | |
56 | \r | |
57 | // Table column names\r | |
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58 | static private final String TIMESTAMP_COLUMN = "Timestamp";\r |
59 | static private final String SOURCE_COLUMN = "Source";\r | |
60 | static private final String TYPE_COLUMN = "Type";\r | |
61 | static private final String REFERENCE_COLUMN = "File";\r | |
62 | static private final String CONTENT_COLUMN = "Content";\r | |
63 | static private final String[] COLUMN_NAMES = new String[] {\r | |
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64 | TIMESTAMP_COLUMN,\r |
65 | SOURCE_COLUMN,\r | |
66 | TYPE_COLUMN,\r | |
67 | REFERENCE_COLUMN,\r | |
68 | CONTENT_COLUMN\r | |
69 | };\r | |
70 | \r | |
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71 | static private ColumnData[] COLUMN_DATA = new ColumnData[] {\r |
72 | new ColumnData(COLUMN_NAMES[0], 100, SWT.LEFT),\r | |
73 | new ColumnData(COLUMN_NAMES[1], 100, SWT.LEFT),\r | |
74 | new ColumnData(COLUMN_NAMES[2], 100, SWT.LEFT),\r | |
75 | new ColumnData(COLUMN_NAMES[3], 100, SWT.LEFT),\r | |
76 | new ColumnData(COLUMN_NAMES[4], 100, SWT.LEFT)\r | |
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77 | };\r |
78 | \r | |
79 | // ------------------------------------------------------------------------\r | |
80 | // Event cache\r | |
81 | // ------------------------------------------------------------------------\r | |
82 | \r | |
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83 | private final int fCacheSize;\r |
84 | private TmfEvent[] fCache;\r | |
85 | private int fCacheStartIndex = 0;\r | |
86 | private int fCacheEndIndex = 0;\r | |
87 | \r | |
529ee6a9 | 88 | private boolean fDisposeOnClose;\r |
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89 | \r |
90 | // ------------------------------------------------------------------------\r | |
91 | // Constructor\r | |
92 | // ------------------------------------------------------------------------\r | |
93 | \r | |
94 | public TmfEventsTable(Composite parent, int cacheSize) {\r | |
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95 | this(parent, cacheSize, COLUMN_DATA);\r |
96 | }\r | |
97 | \r | |
98 | public TmfEventsTable(Composite parent, int cacheSize, ColumnData[] columnData) {\r | |
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99 | super("TmfEventsTable");\r |
100 | \r | |
101 | fCacheSize = cacheSize;\r | |
9ccc6d01 | 102 | fCache = new TmfEvent[fCacheSize];\r |
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103 | \r |
104 | // Create a virtual table\r | |
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105 | final int style = SWT.SINGLE | SWT.FULL_SELECTION | SWT.BORDER;\r |
106 | fTable = new TmfVirtualTable(parent, style);\r | |
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107 | \r |
108 | // Set the table layout\r | |
109 | GridData layoutData = new GridData(SWT.FILL, SWT.FILL, true, true);\r | |
110 | fTable.setLayoutData(layoutData);\r | |
111 | \r | |
112 | // Some cosmetic enhancements\r | |
113 | fTable.setHeaderVisible(true);\r | |
114 | fTable.setLinesVisible(true);\r | |
115 | \r | |
116 | // Set the columns\r | |
9ccc6d01 | 117 | setColumnHeaders(columnData);\r |
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118 | \r |
119 | // Handle the table item requests \r | |
120 | fTable.addSelectionListener(new SelectionAdapter() {\r | |
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121 | @Override\r |
122 | public void widgetSelected(SelectionEvent e) {\r | |
123 | TmfTimestamp ts = (TmfTimestamp) fTable.getSelection()[0].getData();\r | |
124 | broadcast(new TmfTimeSynchSignal(fTable, ts));\r | |
125 | }\r | |
126 | });\r | |
127 | \r | |
128 | // Handle the table item requests \r | |
129 | fTable.addListener(SWT.SetData, new Listener() {\r | |
130 | \r | |
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131 | @Override\r |
132 | @SuppressWarnings("unchecked")\r | |
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133 | public void handleEvent(Event event) {\r |
134 | \r | |
135 | final TableItem item = (TableItem) event.item;\r | |
136 | final int index = fTable.indexOf(item);\r | |
137 | \r | |
138 | // Note: this works because handleEvent() is called once for each row, in sequence \r | |
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139 | if ((index >= fCacheStartIndex) && (index < fCacheEndIndex)) {\r |
140 | int i = index - fCacheStartIndex;\r | |
141 | item.setText(extractItemFields(fCache[i]));\r | |
142 | item.setData(new TmfTimestamp(fCache[i].getTimestamp()));\r | |
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143 | return;\r |
144 | }\r | |
145 | \r | |
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146 | fCacheStartIndex = index;\r |
147 | fCacheEndIndex = index;\r | |
148 | \r | |
abfad0aa | 149 | TmfDataRequest<TmfEvent> request = new TmfDataRequest<TmfEvent>(TmfEvent.class, index, fCacheSize) {\r |
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150 | private int count = 0;\r |
151 | \r | |
152 | @Override\r | |
153 | public void handleData(TmfEvent event) {\r | |
154 | super.handleData(event);\r | |
155 | if (event != null) {\r | |
156 | fCache[count++] = event.clone();\r | |
157 | fCacheEndIndex++;\r | |
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158 | }\r |
159 | }\r | |
f9673903 | 160 | \r |
abfad0aa | 161 | };\r |
f9673903 | 162 | \r |
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163 | ((ITmfDataProvider<TmfEvent>) fTrace).sendRequest(request);\r |
164 | try {\r | |
165 | request.waitForCompletion();\r | |
166 | } catch (InterruptedException e) {\r | |
167 | e.printStackTrace();\r | |
168 | }\r | |
169 | \r | |
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170 | if (fCache[0] != null && fCacheStartIndex == index) {\r |
171 | item.setText(extractItemFields(fCache[0]));\r | |
172 | item.setData(new TmfTimestamp(fCache[0].getTimestamp()));\r | |
173 | packColumns();\r | |
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174 | }\r |
175 | \r | |
176 | }\r | |
177 | });\r | |
178 | \r | |
179 | fTable.setItemCount(0);\r | |
180 | }\r | |
181 | \r | |
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182 | @Override\r |
183 | public void dispose() {\r | |
abfad0aa | 184 | fTable.dispose();\r |
529ee6a9 | 185 | if (fTrace != null && fDisposeOnClose) {\r |
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186 | fTrace.dispose();\r |
187 | }\r | |
188 | super.dispose();\r | |
189 | }\r | |
190 | \r | |
9ccc6d01 | 191 | public TmfVirtualTable getTable() {\r |
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192 | return fTable;\r |
193 | }\r | |
194 | \r | |
195 | /**\r | |
196 | * @param table\r | |
197 | * \r | |
198 | * FIXME: Add support for column selection\r | |
199 | */\r | |
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200 | protected void setColumnHeaders(ColumnData[] columnData) {\r |
201 | fTable.setColumnHeaders(columnData);\r | |
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202 | }\r |
203 | \r | |
9ccc6d01 | 204 | protected void packColumns() {\r |
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205 | if (fPackDone) return;\r |
206 | for (TableColumn column : fTable.getColumns()) {\r | |
207 | int headerWidth = column.getWidth();\r | |
208 | column.pack();\r | |
209 | if (column.getWidth() < headerWidth) {\r | |
210 | column.setWidth(headerWidth);\r | |
211 | }\r | |
212 | }\r | |
213 | fPackDone = true;\r | |
214 | }\r | |
215 | \r | |
216 | /**\r | |
217 | * @param event\r | |
218 | * @return\r | |
219 | * \r | |
220 | * FIXME: Add support for column selection\r | |
221 | */\r | |
78c0de16 | 222 | protected String[] extractItemFields(TmfEvent event) {\r |
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223 | String[] fields = new String[0];\r |
224 | if (event != null) {\r | |
225 | fields = new String[] {\r | |
226 | new Long(event.getTimestamp().getValue()).toString(), \r | |
227 | event.getSource().getSourceId().toString(),\r | |
228 | event.getType().getTypeId().toString(),\r | |
229 | event.getReference().getReference().toString(),\r | |
230 | event.getContent().toString()\r | |
231 | };\r | |
232 | }\r | |
233 | return fields;\r | |
234 | }\r | |
235 | \r | |
236 | public void setFocus() {\r | |
237 | fTable.setFocus();\r | |
238 | }\r | |
239 | \r | |
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240 | /**\r |
241 | * @param trace\r | |
242 | * @param disposeOnClose true if the trace should be disposed when the table is disposed\r | |
243 | */\r | |
244 | public void setTrace(ITmfTrace trace, boolean disposeOnClose) {\r | |
245 | if (fTrace != null && fDisposeOnClose) {\r | |
246 | fTrace.dispose();\r | |
247 | }\r | |
abfad0aa | 248 | fTrace = trace;\r |
529ee6a9 | 249 | fDisposeOnClose = disposeOnClose;\r |
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250 | \r |
251 | // Perform the updates on the UI thread\r | |
252 | fTable.getDisplay().syncExec(new Runnable() {\r | |
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253 | @Override\r |
254 | public void run() {\r | |
529ee6a9 | 255 | //fTable.setSelection(0);\r |
abfad0aa | 256 | fTable.removeAll();\r |
9ccc6d01 | 257 | fCacheStartIndex = fCacheEndIndex = 0; // Clear the cache\r |
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258 | \r |
259 | if (!fTable.isDisposed() && fTrace != null) {\r | |
260 | //int nbEvents = (int) fTrace.getNbEvents();\r | |
261 | //fTable.setItemCount((nbEvents > 100) ? nbEvents : 100);\r | |
262 | fTable.setItemCount((int) fTrace.getNbEvents());\r | |
263 | }\r | |
264 | }\r | |
265 | });\r | |
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266 | }\r |
267 | \r | |
268 | // ------------------------------------------------------------------------\r | |
269 | // Signal handlers\r | |
270 | // ------------------------------------------------------------------------\r | |
271 | \r | |
272 | @TmfSignalHandler\r | |
273 | public void experimentUpdated(TmfExperimentUpdatedSignal signal) {\r | |
db1ea19b | 274 | if ((signal.getExperiment() != fTrace) || fTable.isDisposed()) return;\r |
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275 | // Perform the refresh on the UI thread\r |
276 | fTable.getDisplay().asyncExec(new Runnable() {\r | |
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277 | @Override\r |
278 | public void run() {\r | |
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279 | if (!fTable.isDisposed() && fTrace != null) {\r |
280 | fTable.setItemCount((int) fTrace.getNbEvents());\r | |
9ccc6d01 | 281 | fTable.refresh();\r |
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282 | }\r |
283 | }\r | |
284 | });\r | |
285 | }\r | |
286 | \r | |
287 | @TmfSignalHandler\r | |
288 | public void traceUpdated(TmfTraceUpdatedSignal signal) {\r | |
db1ea19b | 289 | if ((signal.getTrace() != fTrace ) || fTable.isDisposed()) return;\r |
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290 | // Perform the refresh on the UI thread\r |
291 | fTable.getDisplay().asyncExec(new Runnable() {\r | |
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292 | @Override\r |
293 | public void run() {\r | |
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294 | if (!fTable.isDisposed() && fTrace != null) {\r |
295 | //int nbEvents = (int) fTrace.getNbEvents();\r | |
296 | //fTable.setItemCount((nbEvents > 100) ? nbEvents : 100);\r | |
297 | fTable.setItemCount((int) fTrace.getNbEvents());\r | |
298 | }\r | |
299 | }\r | |
300 | });\r | |
301 | }\r | |
302 | \r | |
303 | private boolean fRefreshPending = false;\r | |
304 | @TmfSignalHandler\r | |
305 | public synchronized void rangeSynched(TmfRangeSynchSignal signal) {\r | |
db1ea19b | 306 | if (!fRefreshPending && !fTable.isDisposed()) {\r |
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307 | // Perform the refresh on the UI thread\r |
308 | fRefreshPending = true;\r | |
309 | fTable.getDisplay().asyncExec(new Runnable() {\r | |
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310 | @Override\r |
311 | public void run() {\r | |
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312 | fRefreshPending = false;\r |
313 | if (!fTable.isDisposed() && fTrace != null) {\r | |
314 | fTable.setItemCount((int) fTrace.getNbEvents());\r | |
315 | }\r | |
316 | }\r | |
317 | });\r | |
318 | }\r | |
319 | }\r | |
320 | \r | |
321 | @TmfSignalHandler\r | |
529ee6a9 | 322 | public void currentTimeUpdated(final TmfTimeSynchSignal signal) {\r |
db1ea19b | 323 | if (signal.getSource() != fTable && fTrace != null && !fTable.isDisposed()) {\r |
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324 | Job job = new Job("seeking...") {\r |
325 | @Override\r | |
326 | protected IStatus run(IProgressMonitor monitor) {\r | |
327 | final int index = (int) fTrace.getRank(signal.getCurrentTime());\r | |
328 | // Perform the updates on the UI thread\r | |
329 | fTable.getDisplay().asyncExec(new Runnable() {\r | |
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330 | @Override\r |
331 | public void run() {\r | |
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332 | // Return if table is disposed\r |
333 | if (fTable.isDisposed()) return;\r | |
334 | \r | |
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335 | fTable.setSelection(index);\r |
336 | // The timestamp might not correspond to an actual event\r | |
337 | // and the selection will point to the next experiment event.\r | |
338 | // But we would like to display both the event before and\r | |
339 | // after the selected timestamp.\r | |
340 | // This works fine by default except when the selected event\r | |
341 | // is the top displayed event. The following ensures that we\r | |
342 | // always see both events.\r | |
343 | if ((index > 0) && (index == fTable.getTopIndex())) {\r | |
344 | fTable.setTopIndex(index - 1);\r | |
345 | }\r | |
346 | }\r | |
347 | });\r | |
348 | return Status.OK_STATUS;\r | |
349 | }};\r | |
350 | job.schedule();\r | |
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351 | }\r |
352 | }\r | |
353 | }\r |