org.eclipse.linuxtools.gdbtrace.ui/src/org/eclipse/linuxtools/internal/gdbtrace/ui/views/events/GdbEventsTable.java

   1 /*******************************************************************************
   2  * Copyright (c) 2013 Ericsson
   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  *   Patrick Tasse - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.linuxtools.internal.gdbtrace.ui.views.events;
  14
  15 import org.eclipse.core.runtime.IProgressMonitor;
  16 import org.eclipse.core.runtime.IStatus;
  17 import org.eclipse.core.runtime.Status;
  18 import org.eclipse.core.runtime.jobs.Job;
  19 import org.eclipse.jface.viewers.ISelectionChangedListener;
  20 import org.eclipse.jface.viewers.SelectionChangedEvent;
  21 import org.eclipse.linuxtools.internal.gdbtrace.core.event.GdbTraceEvent;
  22 import org.eclipse.linuxtools.internal.gdbtrace.core.event.GdbTraceEventContent;
  23 import org.eclipse.linuxtools.internal.gdbtrace.core.trace.GdbTrace;
  24 import org.eclipse.linuxtools.tmf.core.event.ITmfEvent;
  25 import org.eclipse.linuxtools.tmf.core.event.ITmfEventField;
  26 import org.eclipse.linuxtools.tmf.core.event.TmfEventField;
  27 import org.eclipse.linuxtools.tmf.core.signal.TmfSignalHandler;
  28 import org.eclipse.linuxtools.tmf.core.signal.TmfTimeSynchSignal;
  29 import org.eclipse.linuxtools.tmf.core.trace.ITmfTrace;
  30 import org.eclipse.linuxtools.tmf.core.trace.TmfExperiment;
  31 import org.eclipse.linuxtools.tmf.ui.viewers.events.TmfEventsTable;
  32 import org.eclipse.linuxtools.tmf.ui.widgets.virtualtable.ColumnData;
  33 import org.eclipse.swt.SWT;
  34 import org.eclipse.swt.widgets.Composite;
  35 import org.eclipse.swt.widgets.TableItem;
  36
  37 /**
  38  * GDB Events Table
  39  * @author Patrick Tasse
  40  *
  41  */
  42 public class GdbEventsTable extends TmfEventsTable {
  43
  44     private static final String TRACE_FRAME_COLUMN = GdbTraceEventContent.TRACE_FRAME;
  45     private static final String TRACEPOINT_COLUMN = GdbTraceEventContent.TRACEPOINT;
  46     private static final String FILE_COLUMN = "File"; //$NON-NLS-1$
  47     private static final String CONTENT_COLUMN = "Content"; //$NON-NLS-1$
  48     private static final ColumnData[] COLUMN_DATA = new ColumnData[] {
  49         new ColumnData(TRACE_FRAME_COLUMN, 100, SWT.RIGHT),
  50         new ColumnData(TRACEPOINT_COLUMN, 100, SWT.RIGHT),
  51         new ColumnData(FILE_COLUMN, 100, SWT.LEFT),
  52         new ColumnData(CONTENT_COLUMN, 100, SWT.LEFT)
  53     };
  54
  55     private GdbTrace fSelectedTrace = null;
  56     private long fSelectedFrame = 0;
  57
  58     /**
  59      * Constructor
  60      * @param parent the parent
  61      * @param cacheSize the cache size
  62      */
  63     public GdbEventsTable(Composite parent, int cacheSize) {
  64         super(parent, cacheSize, COLUMN_DATA);
  65         // Set search field ids for event filter
  66         fTable.getColumns()[2].setData(Key.FIELD_ID, ITmfEvent.EVENT_FIELD_REFERENCE);
  67         fTable.getColumns()[3].setData(Key.FIELD_ID, ITmfEvent.EVENT_FIELD_CONTENT);
  68
  69         // Synchronize currently selected frame in GDB with table selection
  70         addSelectionChangedListener(new ISelectionChangedListener() {
  71             @Override
  72             public void selectionChanged(SelectionChangedEvent e) {
  73                 TableItem[] selection = fTable.getSelection();
  74                 if (selection.length > 0) {
  75                     TableItem selectedTableItem = selection[0];
  76                     if (selectedTableItem != null) {
  77                         Object data = selectedTableItem.getData();
  78                         if (data instanceof GdbTraceEvent) {
  79                             GdbTraceEvent event = (GdbTraceEvent) data;
  80                             GdbTrace gdbTrace = (GdbTrace) event.getTrace();
  81                             GdbTraceEventContent content = (GdbTraceEventContent) event.getContent();
  82                             selectFrame(gdbTrace, content.getFrameNumber());
  83                             return;
  84                         }
  85                     }
  86                 }
  87                 fSelectedTrace = null;
  88             }
  89         });
  90     }
  91
  92     @Override
  93     public void setTrace(ITmfTrace trace, boolean disposeOnClose) {
  94         super.setTrace(trace, disposeOnClose);
  95         if (trace instanceof GdbTrace) {
  96             fSelectedTrace = (GdbTrace) trace;
  97             fSelectedFrame = 0;
  98         } else if (trace instanceof TmfExperiment) {
  99             TmfExperiment experiment = (TmfExperiment) trace;
 100             if (experiment.getTraces().length > 0) {
 101                 fSelectedTrace = (GdbTrace) experiment.getTraces()[0];
 102                 fSelectedFrame = 0;
 103             }
 104         }
 105     }
 106
 107     @Override
 108     protected void populateCompleted() {
 109         if (fSelectedTrace != null) {
 110             selectFrame(fSelectedTrace, fSelectedFrame);
 111         }
 112     }
 113
 114     @Override
 115     protected ITmfEventField[] extractItemFields(ITmfEvent event) {
 116         ITmfEventField[] fields = EMPTY_FIELD_ARRAY;
 117         if (event != null) {
 118             GdbTraceEventContent content = (GdbTraceEventContent) event.getContent();
 119             fields = new TmfEventField[] {
 120                     new TmfEventField(TRACE_FRAME_COLUMN, content.getFrameNumber(), null),
 121                     new TmfEventField(TRACEPOINT_COLUMN, content.getTracepointNumber(), null),
 122                     new TmfEventField(FILE_COLUMN, event.getReference(), null),
 123                     new TmfEventField(CONTENT_COLUMN, content.toString(), null)
 124             };
 125         }
 126         return fields;
 127     }
 128
 129     @Override
 130     @TmfSignalHandler
 131     public void currentTimeUpdated(final TmfTimeSynchSignal signal) {
 132         // do not synchronize on time
 133     }
 134
 135     private void selectFrame(final GdbTrace gdbTrace, final long frameNumber) {
 136         Job b = new Job("GDB Trace select frame") { //$NON-NLS-1$
 137             @Override
 138             protected IStatus run(IProgressMonitor monitor) {
 139                 // This sends commands to GDB and can potentially wait on the UI
 140                 // thread (gdb traces console buffer full) so it needs to be
 141                 // exectued on a non-UI thread
 142                 gdbTrace.selectFrame(frameNumber);
 143                 fSelectedTrace = gdbTrace;
 144                 fSelectedFrame = frameNumber;
 145                 return Status.OK_STATUS;
 146             }
 147         };
 148         b.setSystem(true);
 149         b.schedule();
 150     }
 151 }