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

   1 /*******************************************************************************
   2  * Copyright (c) 2012, 2014 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.tracecompass.tmf.ui.widgets.timegraph;
  14
  15 import java.util.EventObject;
  16
  17 import org.eclipse.tracecompass.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  * @author Patrick Tasse
  23  */
  24 public class TimeGraphSelectionEvent extends EventObject {
  25
  26     /**
  27      * Default serial version UID for this class.
  28      */
  29     private static final long serialVersionUID = 1L;
  30
  31     /**
  32      * The selected entry.
  33      */
  34     private final ITimeGraphEntry fSelection;
  35
  36     /**
  37      * Standard constructor
  38      *
  39      * @param source
  40      *            The source of this event
  41      * @param selection
  42      *            The entry that was selected
  43      */
  44     public TimeGraphSelectionEvent(Object source, ITimeGraphEntry selection) {
  45         super(source);
  46         fSelection = selection;
  47     }
  48
  49     /**
  50      * @return the selected entry or null if the selection is empty.
  51      */
  52     public ITimeGraphEntry getSelection() {
  53         return fSelection;
  54     }
  55
  56 }