org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/views/statesystem/TmfStateSystemExplorer.java

   1 /*******************************************************************************
   2  * Copyright (c) 2013, 2014 École Polytechnique de Montréal, 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  *   Florian Wininger - Initial API and implementation
  11  *   Alexandre Montplaisir - Refactoring, performance tweaks
  12  *   Bernd Hufmann - Updated signal handling
  13  *   Marc-Andre Laperle - Add time zone preference
  14  *   Geneviève Bastien - Use a tree viewer instead of a tree
  15  *******************************************************************************/
  16
  17 package org.eclipse.tracecompass.tmf.ui.views.statesystem;
  18
  19 import java.io.File;
  20
  21 import org.eclipse.jface.action.Action;
  22 import org.eclipse.jface.action.IToolBarManager;
  23 import org.eclipse.jface.resource.ImageDescriptor;
  24 import org.eclipse.swt.graphics.Image;
  25 import org.eclipse.swt.widgets.Composite;
  26 import org.eclipse.tracecompass.internal.tmf.ui.Activator;
  27 import org.eclipse.tracecompass.tmf.core.signal.TmfTraceSelectedSignal;
  28 import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace;
  29 import org.eclipse.tracecompass.tmf.core.trace.TmfTraceManager;
  30 import org.eclipse.tracecompass.tmf.ui.views.TmfView;
  31 import org.eclipse.ui.IActionBars;
  32
  33 /**
  34  * Displays the State System at a current time.
  35  *
  36  * @author Florian Wininger
  37  * @author Alexandre Montplaisir
  38  */
  39 public class TmfStateSystemExplorer extends TmfView {
  40
  41     /** The Environment View's ID */
  42     public static final String ID = "org.eclipse.linuxtools.tmf.ui.views.ssview"; //$NON-NLS-1$
  43
  44     private static final Image FILTER_IMAGE =
  45             Activator.getDefault().getImageFromPath( File.separator + "icons" +  File.separator + "elcl16" +  File.separator + "filter_items.gif"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
  46
  47     private TmfStateSystemViewer fViewer;
  48
  49     /**
  50      * Default constructor
  51      */
  52     public TmfStateSystemExplorer() {
  53         super(ID);
  54     }
  55
  56     // ------------------------------------------------------------------------
  57     // ViewPart
  58     // ------------------------------------------------------------------------
  59
  60     @Override
  61     public void createPartControl(Composite parent) {
  62
  63         fViewer = new TmfStateSystemViewer(parent);
  64
  65         fillToolBar() ;
  66
  67         ITmfTrace trace = TmfTraceManager.getInstance().getActiveTrace();
  68         if (trace != null) {
  69             fViewer.traceSelected(new TmfTraceSelectedSignal(this, trace));
  70         }
  71
  72     }
  73
  74     // ------------------------------------------------------------------------
  75     // Part For Button Action
  76     // ------------------------------------------------------------------------
  77
  78     private void fillToolBar() {
  79         Action fFilterAction = new FilterAction();
  80         fFilterAction.setImageDescriptor(ImageDescriptor.createFromImage(FILTER_IMAGE));
  81         fFilterAction.setToolTipText(Messages.FilterButton) ;
  82         fFilterAction.setChecked(false);
  83
  84         IActionBars bars = getViewSite().getActionBars();
  85         IToolBarManager manager = bars.getToolBarManager();
  86         manager.add(fFilterAction);
  87     }
  88
  89     private class FilterAction extends Action {
  90         @Override
  91         public void run() {
  92             fViewer.changeFilterStatus();
  93         }
  94     }
  95
  96     @Override
  97     public void setFocus() {
  98     }
  99
 100     @Override
 101     public void dispose() {
 102         super.dispose();
 103         if (fViewer != null) {
 104             fViewer.dispose();
 105         }
 106     }
 107 }