org.eclipse.tracecompass.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/widgets/timegraph/TimeGraphSelectionEvent.java

   1 /*******************************************************************************
   2  * Copyright (c) 2012 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  *   Patrick Tasse - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.linuxtools.tmf.ui.widgets.timegraph;
  14
  15 import java.util.EventObject;
  16
  17 import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeGraphEntry;
  18
  19 /**
  20  * Notifier for the time graph that an object in the views has been selected.
  21  *
  22  * @version 1.0
  23  * @author Patrick Tasse
  24  */
  25 public class TimeGraphSelectionEvent extends EventObject {
  26
  27     /**
  28      * Default serial version UID for this class.
  29      * @since 1.0
  30      */
  31     private static final long serialVersionUID = 1L;
  32
  33     /**
  34      * The selected entry.
  35      */
  36     private final ITimeGraphEntry fSelection;
  37
  38     /**
  39      * Standard constructor
  40      *
  41      * @param source
  42      *            The source of this event
  43      * @param selection
  44      *            The entry that was selected
  45      */
  46     public TimeGraphSelectionEvent(Object source, ITimeGraphEntry selection) {
  47         super(source);
  48         fSelection = selection;
  49     }
  50
  51     /**
  52      * @return the selected entry or null if the selection is empty.
  53      */
  54     public ITimeGraphEntry getSelection() {
  55         return fSelection;
  56     }
  57
  58 }