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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 | |
49 | // private Shell fShell;\r | |
50 | \r | |
51 | // ------------------------------------------------------------------------\r | |
52 | // Table data\r | |
53 | // ------------------------------------------------------------------------\r | |
54 | \r | |
9ccc6d01 | 55 | protected TmfVirtualTable fTable;\r |
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56 | protected ITmfTrace fTrace;\r |
57 | protected boolean fPackDone = false;\r | |
58 | \r | |
59 | // Table column names\r | |
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60 | static private final String TIMESTAMP_COLUMN = "Timestamp";\r |
61 | static private final String SOURCE_COLUMN = "Source";\r | |
62 | static private final String TYPE_COLUMN = "Type";\r | |
63 | static private final String REFERENCE_COLUMN = "File";\r | |
64 | static private final String CONTENT_COLUMN = "Content";\r | |
65 | static private final String[] COLUMN_NAMES = new String[] {\r | |
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66 | TIMESTAMP_COLUMN,\r |
67 | SOURCE_COLUMN,\r | |
68 | TYPE_COLUMN,\r | |
69 | REFERENCE_COLUMN,\r | |
70 | CONTENT_COLUMN\r | |
71 | };\r | |
72 | \r | |
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73 | static private ColumnData[] COLUMN_DATA = new ColumnData[] {\r |
74 | new ColumnData(COLUMN_NAMES[0], 100, SWT.LEFT),\r | |
75 | new ColumnData(COLUMN_NAMES[1], 100, SWT.LEFT),\r | |
76 | new ColumnData(COLUMN_NAMES[2], 100, SWT.LEFT),\r | |
77 | new ColumnData(COLUMN_NAMES[3], 100, SWT.LEFT),\r | |
78 | new ColumnData(COLUMN_NAMES[4], 100, SWT.LEFT)\r | |
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79 | };\r |
80 | \r | |
81 | // ------------------------------------------------------------------------\r | |
82 | // Event cache\r | |
83 | // ------------------------------------------------------------------------\r | |
84 | \r | |
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85 | private final int fCacheSize;\r |
86 | private TmfEvent[] fCache;\r | |
87 | private int fCacheStartIndex = 0;\r | |
88 | private int fCacheEndIndex = 0;\r | |
89 | \r | |
529ee6a9 | 90 | private boolean fDisposeOnClose;\r |
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91 | \r |
92 | // ------------------------------------------------------------------------\r | |
93 | // Constructor\r | |
94 | // ------------------------------------------------------------------------\r | |
95 | \r | |
96 | public TmfEventsTable(Composite parent, int cacheSize) {\r | |
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97 | this(parent, cacheSize, COLUMN_DATA);\r |
98 | }\r | |
99 | \r | |
100 | public TmfEventsTable(Composite parent, int cacheSize, ColumnData[] columnData) {\r | |
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101 | super("TmfEventsTable");\r |
102 | \r | |
103 | fCacheSize = cacheSize;\r | |
9ccc6d01 | 104 | fCache = new TmfEvent[fCacheSize];\r |
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105 | \r |
106 | // Create a virtual table\r | |
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107 | final int style = SWT.SINGLE | SWT.FULL_SELECTION | SWT.BORDER;\r |
108 | fTable = new TmfVirtualTable(parent, style);\r | |
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109 | \r |
110 | // Set the table layout\r | |
111 | GridData layoutData = new GridData(SWT.FILL, SWT.FILL, true, true);\r | |
112 | fTable.setLayoutData(layoutData);\r | |
113 | \r | |
114 | // Some cosmetic enhancements\r | |
115 | fTable.setHeaderVisible(true);\r | |
116 | fTable.setLinesVisible(true);\r | |
117 | \r | |
118 | // Set the columns\r | |
9ccc6d01 | 119 | setColumnHeaders(columnData);\r |
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120 | \r |
121 | // Handle the table item requests \r | |
122 | fTable.addSelectionListener(new SelectionAdapter() {\r | |
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123 | @Override\r |
124 | public void widgetSelected(SelectionEvent e) {\r | |
125 | TmfTimestamp ts = (TmfTimestamp) fTable.getSelection()[0].getData();\r | |
126 | broadcast(new TmfTimeSynchSignal(fTable, ts));\r | |
127 | }\r | |
128 | });\r | |
129 | \r | |
130 | // Handle the table item requests \r | |
131 | fTable.addListener(SWT.SetData, new Listener() {\r | |
132 | \r | |
133 | @SuppressWarnings("unchecked")\r | |
134 | public void handleEvent(Event event) {\r | |
135 | \r | |
136 | final TableItem item = (TableItem) event.item;\r | |
137 | final int index = fTable.indexOf(item);\r | |
138 | \r | |
139 | // Note: this works because handleEvent() is called once for each row, in sequence \r | |
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140 | if ((index >= fCacheStartIndex) && (index < fCacheEndIndex)) {\r |
141 | int i = index - fCacheStartIndex;\r | |
142 | item.setText(extractItemFields(fCache[i]));\r | |
143 | item.setData(new TmfTimestamp(fCache[i].getTimestamp()));\r | |
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144 | return;\r |
145 | }\r | |
146 | \r | |
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147 | fCacheStartIndex = index;\r |
148 | fCacheEndIndex = index;\r | |
149 | \r | |
abfad0aa | 150 | TmfDataRequest<TmfEvent> request = new TmfDataRequest<TmfEvent>(TmfEvent.class, index, fCacheSize) {\r |
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151 | private int count = 0;\r |
152 | \r | |
153 | @Override\r | |
154 | public void handleData(TmfEvent event) {\r | |
155 | super.handleData(event);\r | |
156 | if (event != null) {\r | |
157 | fCache[count++] = event.clone();\r | |
158 | fCacheEndIndex++;\r | |
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159 | }\r |
160 | }\r | |
f9673903 | 161 | \r |
abfad0aa | 162 | };\r |
f9673903 | 163 | \r |
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164 | ((ITmfDataProvider<TmfEvent>) fTrace).sendRequest(request);\r |
165 | try {\r | |
166 | request.waitForCompletion();\r | |
167 | } catch (InterruptedException e) {\r | |
168 | e.printStackTrace();\r | |
169 | }\r | |
170 | \r | |
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171 | if (fCache[0] != null && fCacheStartIndex == index) {\r |
172 | item.setText(extractItemFields(fCache[0]));\r | |
173 | item.setData(new TmfTimestamp(fCache[0].getTimestamp()));\r | |
174 | packColumns();\r | |
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175 | }\r |
176 | \r | |
177 | }\r | |
178 | });\r | |
179 | \r | |
180 | fTable.setItemCount(0);\r | |
181 | }\r | |
182 | \r | |
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183 | @Override\r |
184 | public void dispose() {\r | |
abfad0aa | 185 | fTable.dispose();\r |
529ee6a9 | 186 | if (fTrace != null && fDisposeOnClose) {\r |
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187 | fTrace.dispose();\r |
188 | }\r | |
189 | super.dispose();\r | |
190 | }\r | |
191 | \r | |
9ccc6d01 | 192 | public TmfVirtualTable getTable() {\r |
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193 | return fTable;\r |
194 | }\r | |
195 | \r | |
196 | /**\r | |
197 | * @param table\r | |
198 | * \r | |
199 | * FIXME: Add support for column selection\r | |
200 | */\r | |
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201 | protected void setColumnHeaders(ColumnData[] columnData) {\r |
202 | fTable.setColumnHeaders(columnData);\r | |
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203 | }\r |
204 | \r | |
9ccc6d01 | 205 | protected void packColumns() {\r |
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206 | if (fPackDone) return;\r |
207 | for (TableColumn column : fTable.getColumns()) {\r | |
208 | int headerWidth = column.getWidth();\r | |
209 | column.pack();\r | |
210 | if (column.getWidth() < headerWidth) {\r | |
211 | column.setWidth(headerWidth);\r | |
212 | }\r | |
213 | }\r | |
214 | fPackDone = true;\r | |
215 | }\r | |
216 | \r | |
217 | /**\r | |
218 | * @param event\r | |
219 | * @return\r | |
220 | * \r | |
221 | * FIXME: Add support for column selection\r | |
222 | */\r | |
78c0de16 | 223 | protected String[] extractItemFields(TmfEvent event) {\r |
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224 | String[] fields = new String[0];\r |
225 | if (event != null) {\r | |
226 | fields = new String[] {\r | |
227 | new Long(event.getTimestamp().getValue()).toString(), \r | |
228 | event.getSource().getSourceId().toString(),\r | |
229 | event.getType().getTypeId().toString(),\r | |
230 | event.getReference().getReference().toString(),\r | |
231 | event.getContent().toString()\r | |
232 | };\r | |
233 | }\r | |
234 | return fields;\r | |
235 | }\r | |
236 | \r | |
237 | public void setFocus() {\r | |
238 | fTable.setFocus();\r | |
239 | }\r | |
240 | \r | |
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241 | /**\r |
242 | * @param trace\r | |
243 | * @param disposeOnClose true if the trace should be disposed when the table is disposed\r | |
244 | */\r | |
245 | public void setTrace(ITmfTrace trace, boolean disposeOnClose) {\r | |
246 | if (fTrace != null && fDisposeOnClose) {\r | |
247 | fTrace.dispose();\r | |
248 | }\r | |
abfad0aa | 249 | fTrace = trace;\r |
529ee6a9 | 250 | fDisposeOnClose = disposeOnClose;\r |
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251 | \r |
252 | // Perform the updates on the UI thread\r | |
253 | fTable.getDisplay().syncExec(new Runnable() {\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 | |
274 | if (signal.getExperiment() != fTrace) return;\r | |
275 | // Perform the refresh on the UI thread\r | |
276 | fTable.getDisplay().asyncExec(new Runnable() {\r | |
277 | public void run() {\r | |
278 | if (!fTable.isDisposed() && fTrace != null) {\r | |
279 | fTable.setItemCount((int) fTrace.getNbEvents());\r | |
9ccc6d01 | 280 | fTable.refresh();\r |
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281 | }\r |
282 | }\r | |
283 | });\r | |
284 | }\r | |
285 | \r | |
286 | @TmfSignalHandler\r | |
287 | public void traceUpdated(TmfTraceUpdatedSignal signal) {\r | |
288 | if (signal.getTrace() != fTrace) return;\r | |
289 | // Perform the refresh on the UI thread\r | |
290 | fTable.getDisplay().asyncExec(new Runnable() {\r | |
291 | public void run() {\r | |
292 | if (!fTable.isDisposed() && fTrace != null) {\r | |
293 | //int nbEvents = (int) fTrace.getNbEvents();\r | |
294 | //fTable.setItemCount((nbEvents > 100) ? nbEvents : 100);\r | |
295 | fTable.setItemCount((int) fTrace.getNbEvents());\r | |
296 | }\r | |
297 | }\r | |
298 | });\r | |
299 | }\r | |
300 | \r | |
301 | private boolean fRefreshPending = false;\r | |
302 | @TmfSignalHandler\r | |
303 | public synchronized void rangeSynched(TmfRangeSynchSignal signal) {\r | |
304 | if (!fRefreshPending) {\r | |
305 | // Perform the refresh on the UI thread\r | |
306 | fRefreshPending = true;\r | |
307 | fTable.getDisplay().asyncExec(new Runnable() {\r | |
308 | public void run() {\r | |
309 | fRefreshPending = false;\r | |
310 | if (!fTable.isDisposed() && fTrace != null) {\r | |
311 | fTable.setItemCount((int) fTrace.getNbEvents());\r | |
312 | }\r | |
313 | }\r | |
314 | });\r | |
315 | }\r | |
316 | }\r | |
317 | \r | |
318 | @TmfSignalHandler\r | |
529ee6a9 | 319 | public void currentTimeUpdated(final TmfTimeSynchSignal signal) {\r |
abfad0aa | 320 | if (signal.getSource() != fTable && fTrace != null) {\r |
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321 | Job job = new Job("seeking...") {\r |
322 | @Override\r | |
323 | protected IStatus run(IProgressMonitor monitor) {\r | |
324 | final int index = (int) fTrace.getRank(signal.getCurrentTime());\r | |
325 | // Perform the updates on the UI thread\r | |
326 | fTable.getDisplay().asyncExec(new Runnable() {\r | |
327 | public void run() {\r | |
328 | fTable.setSelection(index);\r | |
329 | // The timestamp might not correspond to an actual event\r | |
330 | // and the selection will point to the next experiment event.\r | |
331 | // But we would like to display both the event before and\r | |
332 | // after the selected timestamp.\r | |
333 | // This works fine by default except when the selected event\r | |
334 | // is the top displayed event. The following ensures that we\r | |
335 | // always see both events.\r | |
336 | if ((index > 0) && (index == fTable.getTopIndex())) {\r | |
337 | fTable.setTopIndex(index - 1);\r | |
338 | }\r | |
339 | }\r | |
340 | });\r | |
341 | return Status.OK_STATUS;\r | |
342 | }};\r | |
343 | job.schedule();\r | |
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344 | }\r |
345 | }\r | |
346 | }\r |