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.jface.viewers.ISelectionChangedListener;
  16 import org.eclipse.jface.viewers.SelectionChangedEvent;
  17 import org.eclipse.linuxtools.internal.gdbtrace.core.event.GdbTraceEvent;
  18 import org.eclipse.linuxtools.internal.gdbtrace.core.event.GdbTraceEventContent;
  19 import org.eclipse.linuxtools.internal.gdbtrace.core.trace.GdbTrace;
  20 import org.eclipse.linuxtools.tmf.core.event.ITmfEvent;
  21 import org.eclipse.linuxtools.tmf.core.event.ITmfEventField;
  22 import org.eclipse.linuxtools.tmf.core.event.TmfEventField;
  23 import org.eclipse.linuxtools.tmf.core.signal.TmfSignalHandler;
  24 import org.eclipse.linuxtools.tmf.core.signal.TmfTimeSynchSignal;
  25 import org.eclipse.linuxtools.tmf.core.trace.ITmfTrace;
  26 import org.eclipse.linuxtools.tmf.core.trace.TmfExperiment;
  27 import org.eclipse.linuxtools.tmf.ui.viewers.events.TmfEventsTable;
  28 import org.eclipse.linuxtools.tmf.ui.widgets.virtualtable.ColumnData;
  29 import org.eclipse.swt.SWT;
  30 import org.eclipse.swt.widgets.Composite;
  31 import org.eclipse.swt.widgets.TableItem;
  32
  33 /**
  34  * GDB Events Table
  35  * @author Patrick Tasse
  36  *
  37  */
  38 public class GdbEventsTable extends TmfEventsTable {
  39
  40     private static final String TRACE_FRAME_COLUMN = GdbTraceEventContent.TRACE_FRAME;
  41     private static final String TRACEPOINT_COLUMN = GdbTraceEventContent.TRACEPOINT;
  42     private static final String FILE_COLUMN = "File"; //$NON-NLS-1$
  43     private static final String CONTENT_COLUMN = "Content"; //$NON-NLS-1$
  44     private static final ColumnData[] COLUMN_DATA = new ColumnData[] {
  45         new ColumnData(TRACE_FRAME_COLUMN, 100, SWT.RIGHT),
  46         new ColumnData(TRACEPOINT_COLUMN, 100, SWT.RIGHT),
  47         new ColumnData(FILE_COLUMN, 100, SWT.LEFT),
  48         new ColumnData(CONTENT_COLUMN, 100, SWT.LEFT)
  49     };
  50
  51     private GdbTrace fSelectedTrace = null;
  52     private long fSelectedFrame = 0;
  53
  54     /**
  55      * Constructor
  56      * @param parent the parent
  57      * @param cacheSize the cache size
  58      */
  59     public GdbEventsTable(Composite parent, int cacheSize) {
  60         super(parent, cacheSize, COLUMN_DATA);
  61         // Set search field ids for event filter
  62         fTable.getColumns()[2].setData(Key.FIELD_ID, ITmfEvent.EVENT_FIELD_REFERENCE);
  63         fTable.getColumns()[3].setData(Key.FIELD_ID, ITmfEvent.EVENT_FIELD_CONTENT);
  64
  65         // Synchronize currently selected frame in GDB with table selection
  66         addSelectionChangedListener(new ISelectionChangedListener() {
  67             @Override
  68             public void selectionChanged(SelectionChangedEvent e) {
  69                 TableItem[] selection = fTable.getSelection();
  70                 if (selection.length > 0) {
  71                     TableItem selectedTableItem = selection[0];
  72                     if (selectedTableItem != null) {
  73                         Object data = selectedTableItem.getData();
  74                         if (data instanceof GdbTraceEvent) {
  75                             GdbTraceEvent event = (GdbTraceEvent) data;
  76                             GdbTrace gdbTrace = (GdbTrace) event.getTrace();
  77                             GdbTraceEventContent content = (GdbTraceEventContent) event.getContent();
  78                             gdbTrace.selectFrame(content.getFrameNumber());
  79                             fSelectedTrace = gdbTrace;
  80                             fSelectedFrame = content.getFrameNumber();
  81                             return;
  82                         }
  83                     }
  84                 }
  85                 fSelectedTrace = null;
  86             }
  87         });
  88     }
  89
  90     @Override
  91     public void setTrace(ITmfTrace trace, boolean disposeOnClose) {
  92         super.setTrace(trace, disposeOnClose);
  93         if (trace instanceof GdbTrace) {
  94             fSelectedTrace = (GdbTrace) trace;
  95             fSelectedFrame = 0;
  96         } else if (trace instanceof TmfExperiment) {
  97             TmfExperiment experiment = (TmfExperiment) trace;
  98             if (experiment.getTraces().length > 0) {
  99                 fSelectedTrace = (GdbTrace) experiment.getTraces()[0];
 100                 fSelectedFrame = 0;
 101             }
 102         }
 103     }
 104
 105     @Override
 106     protected void populateCompleted() {
 107         if (fSelectedTrace != null) {
 108             fSelectedTrace.selectFrame(fSelectedFrame);
 109         }
 110     }
 111
 112     @Override
 113     protected ITmfEventField[] extractItemFields(ITmfEvent event) {
 114         ITmfEventField[] fields = EMPTY_FIELD_ARRAY;
 115         if (event != null) {
 116             GdbTraceEventContent content = (GdbTraceEventContent) event.getContent();
 117             fields = new TmfEventField[] {
 118                     new TmfEventField(TRACE_FRAME_COLUMN, content.getFrameNumber(), null),
 119                     new TmfEventField(TRACEPOINT_COLUMN, content.getTracepointNumber(), null),
 120                     new TmfEventField(FILE_COLUMN, event.getReference(), null),
 121                     new TmfEventField(CONTENT_COLUMN, content.toString(), null)
 122             };
 123         }
 124         return fields;
 125     }
 126
 127     @Override
 128     @TmfSignalHandler
 129     public void currentTimeUpdated(final TmfTimeSynchSignal signal) {
 130         // do not synchronize on time
 131     }
 132 }