org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/views/TmfEventsView.java

   1 /*******************************************************************************
   2  * Copyright (c) 2009, 2010 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  *   Francois Chouinard - Initial API and implementation
  11  *   Patrick Tasse - Factored out events table
  12  *******************************************************************************/
  13
  14 package org.eclipse.linuxtools.tmf.ui.views;
  15
  16 import org.eclipse.linuxtools.tmf.event.TmfEvent;
  17 import org.eclipse.linuxtools.tmf.experiment.TmfExperiment;
  18 import org.eclipse.linuxtools.tmf.signal.TmfExperimentSelectedSignal;
  19 import org.eclipse.linuxtools.tmf.signal.TmfSignalHandler;
  20 import org.eclipse.linuxtools.tmf.ui.viewers.events.TmfEventsTable;
  21 import org.eclipse.swt.widgets.Composite;
  22 import org.eclipse.swt.widgets.Table;
  23
  24 /**
  25  * <b><u>TmfEventsView</u></b>
  26  * <p>
  27  *
  28  * TODO: Implement me. Please.
  29  * TODO: Handle column selection, sort, ... generically (nothing less...)
  30  * TODO: Implement hide/display columns
  31  */
  32 public class TmfEventsView extends TmfView {
  33
  34     public static final String ID = "org.eclipse.linuxtools.tmf.ui.views.events";
  35
  36     private TmfExperiment<TmfEvent> fExperiment;
  37     private TmfEventsTable fEventsTable;
  38     private static final int DEFAULT_CACHE_SIZE = 1000;
  39     private final int fCacheSize;
  40     private String fTitlePrefix;
  41
  42         // ------------------------------------------------------------------------
  43     // Constructor
  44         // ------------------------------------------------------------------------
  45
  46     public TmfEventsView(int cacheSize) {
  47         super("TmfEventsView");
  48         fCacheSize = cacheSize;
  49     }
  50
  51     public TmfEventsView() {
  52         this(DEFAULT_CACHE_SIZE);
  53     }
  54
  55         // ------------------------------------------------------------------------
  56     // ViewPart
  57         // ------------------------------------------------------------------------
  58
  59     @SuppressWarnings("unchecked")
  60         @Override
  61         public void createPartControl(Composite parent) {
  62         fEventsTable = createEventsTable(parent, fCacheSize);
  63
  64         fTitlePrefix = getTitle();
  65
  66         // If an experiment is already selected, update the table
  67         fExperiment = (TmfExperiment<TmfEvent>) TmfExperiment.getCurrentExperiment();
  68         if (fExperiment != null) {
  69             experimentSelected(new TmfExperimentSelectedSignal<TmfEvent>(fEventsTable, fExperiment));
  70         }
  71     }
  72
  73     @Override
  74     public void dispose() {
  75         if (fEventsTable != null) {
  76             fEventsTable.dispose();
  77         }
  78         super.dispose();
  79     }
  80
  81     protected TmfEventsTable createEventsTable(Composite parent, int cacheSize) {
  82         return new TmfEventsTable(parent, cacheSize);
  83     }
  84
  85     /* (non-Javadoc)
  86      * @see org.eclipse.ui.part.WorkbenchPart#setFocus()
  87      */
  88     @Override
  89         public void setFocus() {
  90         fEventsTable.setFocus();
  91     }
  92
  93     /* (non-Javadoc)
  94      * @see java.lang.Object#toString()
  95      */
  96     @Override
  97         public String toString() {
  98         return "[TmfEventsView]";
  99     }
 100
 101     protected void createColumnHeaders(Table table) {
 102         fEventsTable.createColumnHeaders(table);
 103     }
 104
 105     protected String[] extractItemFields(TmfEvent event) {
 106         return fEventsTable.extractItemFields(event);
 107     }
 108
 109     // ------------------------------------------------------------------------
 110     // Signal handlers
 111         // ------------------------------------------------------------------------
 112
 113         @SuppressWarnings("unchecked")
 114     @TmfSignalHandler
 115     public void experimentSelected(TmfExperimentSelectedSignal<TmfEvent> signal) {
 116         // Update the trace reference
 117         fExperiment = (TmfExperiment<TmfEvent>) signal.getExperiment();
 118         setPartName(fTitlePrefix + " - " + fExperiment.getName());
 119
 120         if (fEventsTable != null) {
 121             fEventsTable.setTrace(fExperiment);
 122         }
 123     }
 124
 125 }