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

   1 /*******************************************************************************
   2  * Copyright (c) 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 public class TmfBaseColumnDataProvider implements ITmfColumnDataProvider {
  35
  36     /**
  37      * Contains the list of the columns
  38      */
  39     protected List<TmfBaseColumnData> fColumnData = null;
  40
  41     /**
  42      * Level column names
  43      */
  44     protected final static String LEVEL_COLUMN = Messages.TmfStatisticsView_LevelColumn;
  45     /**
  46      * Number of events column names
  47      */
  48     protected final static String EVENTS_COUNT_COLUMN = Messages.TmfStatisticsView_NbEventsColumn;
  49
  50     /**
  51      * Level column tooltips
  52      */
  53     protected final static String LEVEL_COLUMN_TIP = Messages.TmfStatisticsView_LevelColumnTip;
  54     /**
  55      * Number of events column tooltips
  56      */
  57     protected final static String EVENTS_COUNT_COLUMN_TIP = Messages.TmfStatisticsView_NbEventsTip;
  58
  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     /**
  65      * Create basic columns to represent the statistics data
  66      */
  67     public TmfBaseColumnDataProvider() {
  68         // List that will be used to create the table.
  69         fColumnData = new Vector<TmfBaseColumnData>();
  70         fColumnData.add(new TmfBaseColumnData(LEVEL_COLUMN, 200, SWT.LEFT, LEVEL_COLUMN_TIP, new ColumnLabelProvider() {
  71             @Override
  72             public String getText(Object element) {
  73                 return ((TmfStatisticsTreeNode) element).getKey();
  74             }
  75
  76             @Override
  77             public Image getImage(Object element) {
  78                 TmfStatisticsTreeNode node = (TmfStatisticsTreeNode) element;
  79                 if (fFolderLevels.contains(node.getKey())) {
  80                     return PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_OBJ_FOLDER);
  81                 } else {
  82                     return PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_OBJ_ELEMENT);
  83                 }
  84             }
  85         }, new ViewerComparator() {
  86             @Override
  87             public int compare(Viewer viewer, Object e1, Object e2) {
  88                 TmfStatisticsTreeNode n1 = (TmfStatisticsTreeNode) e1;
  89                 TmfStatisticsTreeNode n2 = (TmfStatisticsTreeNode) e2;
  90
  91                 return n1.getKey().compareTo(n2.getKey());
  92             }
  93         }, null));
  94
  95         fColumnData.add(new TmfBaseColumnData(EVENTS_COUNT_COLUMN, 125, SWT.LEFT, EVENTS_COUNT_COLUMN_TIP, new ColumnLabelProvider() {
  96             @Override
  97             public String getText(Object element) {
  98                 TmfStatisticsTreeNode node = (TmfStatisticsTreeNode) element;
  99                 if (!fFolderLevels.contains(node.getKey())) {
 100                     return Long.toString(node.getValue().nbEvents);
 101                 } else {
 102                     return ""; //$NON-NLS-1$
 103                 }
 104             }
 105         }, new ViewerComparator() {
 106             @Override
 107             public int compare(Viewer viewer, Object e1, Object e2) {
 108                 TmfStatisticsTreeNode n1 = (TmfStatisticsTreeNode) e1;
 109                 TmfStatisticsTreeNode n2 = (TmfStatisticsTreeNode) e2;
 110
 111                 return (int) (n1.getValue().nbEvents - n2.getValue().nbEvents);
 112             }
 113         }, new ITmfColumnPercentageProvider() {
 114
 115             @Override
 116             public double getPercentage(TmfStatisticsTreeNode node) {
 117                 TmfStatisticsTreeNode parent = node;
 118                 do {
 119                     parent = parent.getParent();
 120                 } while (parent != null && parent.getValue().nbEvents == 0);
 121
 122                 if (parent == null) {
 123                     return 0;
 124                 } else {
 125                     return (double) node.getValue().nbEvents / parent.getValue().nbEvents;
 126                 }
 127             }
 128         }));
 129     }
 130
 131     /**
 132      * Provide the columns to represent statistics data
 133      */
 134     @Override
 135     public List<TmfBaseColumnData> getColumnData() {
 136         return fColumnData;
 137     }
 138
 139 }