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.TmfExperimentDisposedSignal;
  19 import org.eclipse.linuxtools.tmf.signal.TmfExperimentSelectedSignal;
  20 import org.eclipse.linuxtools.tmf.signal.TmfSignalHandler;
  21 import org.eclipse.linuxtools.tmf.ui.TmfUiPlugin;
  22 import org.eclipse.linuxtools.tmf.ui.viewers.events.TmfEventsTable;
  23 import org.eclipse.swt.widgets.Composite;
  24
  25 /**
  26  * <b><u>TmfEventsView</u></b>
  27  * <p>
  28  *
  29  * TODO: Implement me. Please.
  30  * TODO: Handle column selection, sort, ... generically (nothing less...)
  31  * TODO: Implement hide/display columns
  32  */
  33 public class TmfEventsView extends TmfView {
  34
  35     public static final String ID = "org.eclipse.linuxtools.tmf.ui.views.events"; //$NON-NLS-1$
  36
  37     private TmfExperiment<TmfEvent> fExperiment;
  38     private TmfEventsTable fEventsTable;
  39     private static final int DEFAULT_CACHE_SIZE = 100;
  40     private final int fCacheSize;
  41     private String fTitlePrefix;
  42
  43         // ------------------------------------------------------------------------
  44     // Constructor
  45         // ------------------------------------------------------------------------
  46
  47     public TmfEventsView(int cacheSize) {
  48         super("TmfEventsView"); //$NON-NLS-1$
  49         fCacheSize = cacheSize;
  50     }
  51
  52     public TmfEventsView() {
  53         this(DEFAULT_CACHE_SIZE);
  54     }
  55
  56         // ------------------------------------------------------------------------
  57     // ViewPart
  58         // ------------------------------------------------------------------------
  59
  60         @Override
  61     @SuppressWarnings("unchecked")
  62         public void createPartControl(Composite parent) {
  63         fEventsTable = createEventsTable(parent, fCacheSize);
  64
  65         fTitlePrefix = getTitle();
  66
  67         // If an experiment is already selected, update the table
  68         fExperiment = (TmfExperiment<TmfEvent>) TmfExperiment.getCurrentExperiment();
  69         if (fExperiment != null) {
  70             experimentSelected(new TmfExperimentSelectedSignal<TmfEvent>(fEventsTable, fExperiment));
  71         }
  72     }
  73
  74     @Override
  75     public void dispose() {
  76         if (fEventsTable != null) {
  77             fEventsTable.dispose();
  78         }
  79         super.dispose();
  80     }
  81
  82     protected TmfEventsTable createEventsTable(Composite parent, int cacheSize) {
  83         return new TmfEventsTable(parent, cacheSize);
  84     }
  85
  86     /* (non-Javadoc)
  87      * @see org.eclipse.ui.part.WorkbenchPart#setFocus()
  88      */
  89     @Override
  90         public void setFocus() {
  91         fEventsTable.setFocus();
  92     }
  93
  94     /* (non-Javadoc)
  95      * @see java.lang.Object#toString()
  96      */
  97     @Override
  98         @SuppressWarnings("nls")
  99         public String toString() {
 100         return "[TmfEventsView]";
 101     }
 102
 103     // ------------------------------------------------------------------------
 104     // Signal handlers
 105         // ------------------------------------------------------------------------
 106
 107         @SuppressWarnings("unchecked")
 108     @TmfSignalHandler
 109     public void experimentSelected(TmfExperimentSelectedSignal<TmfEvent> signal) {
 110         // Update the trace reference
 111         TmfExperiment<TmfEvent> exp = (TmfExperiment<TmfEvent>) signal.getExperiment();
 112         if (!exp.equals(fExperiment)) {
 113                 fExperiment = exp;
 114             setPartName(fTitlePrefix + " - " + fExperiment.getName()); //$NON-NLS-1$
 115             if (fEventsTable != null) {
 116                 fEventsTable.setTrace(fExperiment, false);
 117             }
 118         }
 119     }
 120
 121         @SuppressWarnings("unchecked")
 122         @TmfSignalHandler
 123         public void experimentDisposed(TmfExperimentDisposedSignal<TmfEvent> signal) {
 124                 // Clear the trace reference
 125                 TmfExperiment<TmfEvent> experiment = (TmfExperiment<TmfEvent>) signal.getExperiment();
 126                 if (experiment.equals(fExperiment)) {
 127                         fEventsTable.setTrace(null, false);
 128                 }
 129
 130                 TmfUiPlugin.getDefault().getWorkbench().getWorkbenchWindows()[0].getShell().getDisplay().syncExec(new Runnable() {
 131                         @Override
 132                         public void run() {
 133                                 setPartName(fTitlePrefix);
 134                         }
 135                 });
 136         }
 137
 138 }