org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/views/synchronization/TmfSynchronizationView.java

   1 /*******************************************************************************
   2  * Copyright (c) 2013 École Polytechnique de Montréal
   3  *
   4  * All rights reserved. This program and the accompanying materials are made
   5  * 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  *   Geneviève Bastien - Initial implementation and API
  11  *******************************************************************************/
  12
  13 package org.eclipse.linuxtools.tmf.ui.views.synchronization;
  14
  15 import java.util.Map;
  16
  17 import org.eclipse.linuxtools.tmf.core.signal.TmfSignalHandler;
  18 import org.eclipse.linuxtools.tmf.core.signal.TmfTraceSynchronizedSignal;
  19 import org.eclipse.linuxtools.tmf.core.synchronization.SynchronizationAlgorithm;
  20 import org.eclipse.linuxtools.tmf.ui.views.TmfView;
  21 import org.eclipse.swt.SWT;
  22 import org.eclipse.swt.widgets.Composite;
  23 import org.eclipse.swt.widgets.Display;
  24 import org.eclipse.swt.widgets.Tree;
  25 import org.eclipse.swt.widgets.TreeColumn;
  26 import org.eclipse.swt.widgets.TreeItem;
  27
  28 /**
  29  * Small view to display statistics about a synchronization
  30  *
  31  * @author Geneviève Bastien
  32  * @since 3.0
  33  */
  34 public class TmfSynchronizationView extends TmfView {
  35
  36     /**
  37      * The ID corresponds to the package in which this class is embedded.
  38      */
  39     public static final String ID = "org.eclipse.linuxtools.tmf.ui.views.synchronization"; //$NON-NLS-1$
  40
  41     /**
  42      * The view name.
  43      */
  44     public static final String TMF_SYNCHRONIZATION_VIEW = "SynchronizationView"; //$NON-NLS-1$
  45
  46     /**
  47      * The synchronization algorithm to display stats for
  48      */
  49     private SynchronizationAlgorithm fAlgoSync;
  50
  51     private Tree fTree;
  52
  53     /**
  54      * Default constructor
  55      */
  56     public TmfSynchronizationView() {
  57         super(TMF_SYNCHRONIZATION_VIEW);
  58     }
  59
  60     @Override
  61     public void createPartControl(Composite parent) {
  62         fTree = new Tree(parent, SWT.NONE);
  63         TreeColumn nameCol = new TreeColumn(fTree, SWT.NONE, 0);
  64         TreeColumn valueCol = new TreeColumn(fTree, SWT.NONE, 1);
  65         nameCol.setText(Messages.TmfSynchronizationView_NameColumn);
  66         valueCol.setText(Messages.TmfSynchronizationView_ValueColumn);
  67
  68         fTree.setItemCount(0);
  69
  70         fTree.setHeaderVisible(true);
  71         nameCol.pack();
  72         valueCol.pack();
  73
  74     }
  75
  76     private void updateTable() {
  77         fTree.setItemCount(0);
  78         if (fAlgoSync == null) {
  79             return;
  80         }
  81
  82         for (Map.Entry<String, Map<String, Object>> entry : fAlgoSync.getStats().entrySet()) {
  83             TreeItem item = new TreeItem(fTree, SWT.NONE);
  84             item.setText(0, entry.getKey().toString());
  85             item.setText(1, entry.getValue().toString());
  86
  87             for (Map.Entry<String, Object> subentry : entry.getValue().entrySet()) {
  88                 TreeItem subitem = new TreeItem(item, SWT.NONE);
  89                 subitem.setText(0, subentry.getKey().toString());
  90                 subitem.setText(1, subentry.getValue().toString());
  91             }
  92         }
  93
  94         /* Expand the tree items */
  95         for (int i = 0; i < fTree.getItemCount(); i++) {
  96             fTree.getItem(i).setExpanded(true);
  97         }
  98
  99         for (TreeColumn column : fTree.getColumns()) {
 100             column.pack();
 101         }
 102     }
 103
 104     @Override
 105     public void setFocus() {
 106         fTree.setFocus();
 107     }
 108
 109     /**
 110      * Handler called when traces are synchronized
 111      *
 112      * @param signal
 113      *            Contains the information about the selection.
 114      */
 115     @TmfSignalHandler
 116     public void traceSynchronized(TmfTraceSynchronizedSignal signal) {
 117         if (signal.getSyncAlgo() != fAlgoSync) {
 118             fAlgoSync = signal.getSyncAlgo();
 119             Display.getDefault().asyncExec(new Runnable() {
 120                 @Override
 121                 public void run() {
 122                     updateTable();
 123                 }
 124             });
 125         }
 126     }
 127 }