tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/widgets/timegraph/widgets/TimeGraphSelection.java

   1 /*****************************************************************************
   2  * Copyright (c) 2007, 2016 Intel Corporation, Ericsson
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Eclipse Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/epl-v10.html
   7  *
   8  * Contributors:
   9  *   Intel Corporation - Initial API and implementation
  10  *   Ruslan A. Scherbakov, Intel - Initial API and implementation
  11  *   Alvaro Sanchez-Leon - Updated for TMF
  12  *   Patrick Tasse - Refactoring
  13  *****************************************************************************/
  14
  15 package org.eclipse.tracecompass.tmf.ui.widgets.timegraph.widgets;
  16
  17 import java.util.ArrayList;
  18 import java.util.Iterator;
  19 import java.util.List;
  20
  21 import org.eclipse.jface.viewers.IStructuredSelection;
  22 import org.eclipse.jface.viewers.StructuredSelection;
  23
  24 /**
  25  * Selection object for the time graph scale
  26  *
  27  * @version 1.0
  28  * @author Alvaro Sanchez-Leon
  29  * @author Patrick Tasse
  30  * @deprecated Use {@link StructuredSelection} instead.
  31  */
  32 @Deprecated
  33 public class TimeGraphSelection implements IStructuredSelection {
  34
  35     private List<Object> list = new ArrayList<>();
  36
  37     /**
  38      * Default constructor
  39      */
  40     public TimeGraphSelection() {
  41     }
  42
  43     /**
  44      * "Wrapper" constructor. Instantiate a new selection object with only one
  45      * existing selection.
  46      *
  47      * @param sel
  48      *            The initial selection to add to this one
  49      */
  50     public TimeGraphSelection(Object sel) {
  51         if (sel != null) {
  52             list.add(sel);
  53         }
  54     }
  55
  56     /**
  57      * Add a selection to this one.
  58      *
  59      * @param sel
  60      *            The selection to add
  61      */
  62     public void add(Object sel) {
  63         if (null != sel && !list.contains(sel)) {
  64             list.add(sel);
  65         }
  66     }
  67
  68     @Override
  69     public Object getFirstElement() {
  70         if (!list.isEmpty()) {
  71             return list.get(0);
  72         }
  73         return null;
  74     }
  75
  76     @Override
  77     public Iterator<Object> iterator() {
  78         return list.iterator();
  79     }
  80
  81     @Override
  82     public int size() {
  83         return list.size();
  84     }
  85
  86     @Override
  87     public Object[] toArray() {
  88         return list.toArray();
  89     }
  90
  91     @Override
  92     public List<Object> toList() {
  93         return list;
  94     }
  95
  96     @Override
  97     public boolean isEmpty() {
  98         return list.isEmpty();
  99     }
 100 }