org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/views/statistics/model/TmfBaseColumnDataProvider.java

   1 /*******************************************************************************
   2  * Copyright (c) 2011, 2011 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  *   Mathieu Denis <mathieu.denis@polymtl.ca>  - Implementation and Initial API
  11  *******************************************************************************/
  12
  13 package org.eclipse.linuxtools.tmf.ui.views.statistics.model;
  14
  15 import java.util.Arrays;
  16 import java.util.HashSet;
  17 import java.util.List;
  18 import java.util.Set;
  19 import java.util.Vector;
  20
  21 import org.eclipse.jface.viewers.ColumnLabelProvider;
  22 import org.eclipse.jface.viewers.Viewer;
  23 import org.eclipse.jface.viewers.ViewerComparator;
  24 import org.eclipse.linuxtools.tmf.ui.views.statistics.Messages;
  25 import org.eclipse.linuxtools.tmf.ui.views.statistics.model.TmfBaseColumnData.ITmfColumnPercentageProvider;
  26 import org.eclipse.swt.SWT;
  27 import org.eclipse.swt.graphics.Image;
  28 import org.eclipse.ui.ISharedImages;
  29 import org.eclipse.ui.PlatformUI;
  30
  31 /**
  32  * Create a basic list of columns with providers.
  33  *
  34  * @version 1.0
  35  * @author Mathieu Denis
  36  */
  37 public class TmfBaseColumnDataProvider implements ITmfColumnDataProvider {
  38
  39     /**
  40      * Contains the list of the columns
  41      */
  42     protected List<TmfBaseColumnData> fColumnData = null;
  43     /**
  44      * Level column names
  45      */
  46     protected final static String LEVEL_COLUMN = Messages.TmfStatisticsView_LevelColumn;
  47     /**
  48      * Number of events column names
  49      */
  50     protected final static String EVENTS_COUNT_COLUMN = Messages.TmfStatisticsView_NbEventsColumn;
  51     /**
  52      * Level column tooltips
  53      */
  54     protected final static String LEVEL_COLUMN_TIP = Messages.TmfStatisticsView_LevelColumnTip;
  55     /**
  56      * Number of events column tooltips
  57      */
  58     protected final static String EVENTS_COUNT_COLUMN_TIP = Messages.TmfStatisticsView_NbEventsTip;
  59     /**
  60      * Level for which statistics should not be displayed.
  61      */
  62     protected Set<String> fFolderLevels = new HashSet<String>(Arrays.asList(new String[] { "Event Types" })); //$NON-NLS-1$
  63     /**
  64      * Create basic columns to represent the statistics data
  65      */
  66     public TmfBaseColumnDataProvider() {
  67         // List that will be used to create the table.
  68         fColumnData = new Vector<TmfBaseColumnData>();
  69         fColumnData.add(new TmfBaseColumnData(LEVEL_COLUMN, 200, SWT.LEFT, LEVEL_COLUMN_TIP, new ColumnLabelProvider() {
  70             @Override
  71             public String getText(Object element) {
  72                 return ((TmfStatisticsTreeNode) element).getKey();
  73             }
  74
  75             @Override
  76             public Image getImage(Object element) {
  77                 TmfStatisticsTreeNode node = (TmfStatisticsTreeNode) element;
  78                 if (fFolderLevels.contains(node.getKey())) {
  79                     return PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_OBJ_FOLDER);
  80                 } else {
  81                     return PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_OBJ_ELEMENT);
  82                 }
  83             }
  84         }, new ViewerComparator() {
  85             @Override
  86             public int compare(Viewer viewer, Object e1, Object e2) {
  87                 TmfStatisticsTreeNode n1 = (TmfStatisticsTreeNode) e1;
  88                 TmfStatisticsTreeNode n2 = (TmfStatisticsTreeNode) e2;
  89
  90                 return n1.getKey().compareTo(n2.getKey());
  91             }
  92         }, null));
  93
  94         fColumnData.add(new TmfBaseColumnData(EVENTS_COUNT_COLUMN, 125, SWT.LEFT, EVENTS_COUNT_COLUMN_TIP, new ColumnLabelProvider() {
  95             @Override
  96             public String getText(Object element) {
  97                 TmfStatisticsTreeNode node = (TmfStatisticsTreeNode) element;
  98                 if (!fFolderLevels.contains(node.getKey())) {
  99                     return Long.toString(node.getValue().nbEvents);
 100                 } else {
 101                     return ""; //$NON-NLS-1$
 102                 }
 103             }
 104         }, new ViewerComparator() {
 105             @Override
 106             public int compare(Viewer viewer, Object e1, Object e2) {
 107                 TmfStatisticsTreeNode n1 = (TmfStatisticsTreeNode) e1;
 108                 TmfStatisticsTreeNode n2 = (TmfStatisticsTreeNode) e2;
 109
 110                 return (int) (n1.getValue().nbEvents - n2.getValue().nbEvents);
 111             }
 112         }, new ITmfColumnPercentageProvider() {
 113
 114             @Override
 115             public double getPercentage(TmfStatisticsTreeNode node) {
 116                 TmfStatisticsTreeNode parent = node;
 117                 do {
 118                     parent = parent.getParent();
 119                 } while (parent != null && parent.getValue().nbEvents == 0);
 120
 121                 if (parent == null) {
 122                     return 0;
 123                 } else {
 124                     return (double) node.getValue().nbEvents / parent.getValue().nbEvents;
 125                 }
 126             }
 127         }));
 128     }
 129
 130     /**
 131      * Provide the columns to represent statistics data
 132      */
 133     @Override
 134     public List<TmfBaseColumnData> getColumnData() {
 135         return fColumnData;
 136     }
 137
 138 }