org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/viewers/statistics/model/TmfBaseColumnData.java

   1 /*******************************************************************************
   2  * Copyright (c) 2011, 2013 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> - Initial Implementation
  11  *   Bernd Hufmann - Added Annotations
  12  *******************************************************************************/
  13
  14 package org.eclipse.linuxtools.tmf.ui.viewers.statistics.model;
  15
  16 import org.eclipse.jface.viewers.ColumnLabelProvider;
  17 import org.eclipse.jface.viewers.ViewerComparator;
  18
  19 /**
  20  * Contains all the information necessary to build a column of the table.
  21  *
  22  * @version 2.0
  23  * @author Mathieu Denis
  24  * @since 2.0
  25  */
  26 public class TmfBaseColumnData implements ITmfStatisticsColumnData {
  27
  28     /**
  29      * Name of the column.
  30      */
  31     protected final String fHeader;
  32
  33     /**
  34      * Width of the column.
  35      */
  36     protected final int fWidth;
  37
  38     /**
  39      * Alignment of the column.
  40      */
  41     protected final int fAlignment;
  42
  43     /**
  44      * Tooltip of the column.
  45      */
  46     protected final String fTooltip;
  47
  48     /**
  49      * Adapts a StatisticsTreeNode into the content of it's corresponding cell
  50      * for that column.
  51      */
  52     protected final ColumnLabelProvider fLabelProvider;
  53
  54     /**
  55      * Used to sort elements of this column. Can be null.
  56      */
  57     protected final ViewerComparator fComparator;
  58
  59     /**
  60      * Used to draw bar charts in this column. Can be null.
  61      */
  62     protected final ITmfColumnPercentageProvider fPercentageProvider;
  63
  64     /**
  65      * Used to draw bar charts in columns.
  66      */
  67     public interface ITmfColumnPercentageProvider {
  68
  69         /**
  70          * Percentage provider
  71          *
  72          * @param node
  73          *            The statistics tree node
  74          * @return The value as a percentage
  75          */
  76         public double getPercentage(TmfStatisticsTreeNode node);
  77     }
  78
  79     /**
  80      * Constructor with parameters
  81      *
  82      * @param h
  83      *            header of the column. The name will be shown at the top of the
  84      *            column.
  85      * @param w
  86      *            width of the column.
  87      * @param a
  88      *            alignment of the text
  89      * @param t
  90      *            text to shown as a tooltip when the cursor comes over the
  91      *            header
  92      * @param l
  93      *            provide all the column element
  94      * @param c
  95      *            used to compare element between them to be able to classify
  96      *            the content of the columns
  97      * @param p
  98      *            provide the percentage of a specific element
  99      */
 100     public TmfBaseColumnData(String h, int w, int a, String t,
 101             ColumnLabelProvider l, ViewerComparator c,
 102             ITmfColumnPercentageProvider p) {
 103         fHeader = h;
 104         fWidth = w;
 105         fAlignment = a;
 106         fTooltip = t;
 107         fLabelProvider = l;
 108         fComparator = c;
 109         fPercentageProvider = p;
 110     }
 111
 112     @Override
 113     public String getHeader() {
 114         return fHeader;
 115     }
 116
 117     @Override
 118     public int getWidth() {
 119         return fWidth;
 120     }
 121
 122     @Override
 123     public int getAlignment() {
 124         return fAlignment;
 125     }
 126
 127     @Override
 128     public String getTooltip() {
 129         return fTooltip;
 130     }
 131
 132     @Override
 133     public ColumnLabelProvider getLabelProvider() {
 134         return fLabelProvider;
 135     }
 136
 137     @Override
 138     public ViewerComparator getComparator() {
 139         return fComparator;
 140     }
 141
 142     @Override
 143     public ITmfColumnPercentageProvider getPercentageProvider() {
 144         return fPercentageProvider;
 145     }
 146 }