1   /**
2    * Distribution License:
3    * JSword is free software; you can redistribute it and/or modify it under
4    * the terms of the GNU Lesser General Public License, version 2.1 as published by
5    * the Free Software Foundation. This program is distributed in the hope
6    * that it will be useful, but WITHOUT ANY WARRANTY; without even the
7    * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
8    * See the GNU Lesser General Public License for more details.
9    *
10   * The License is available on the internet at:
11   *       http://www.gnu.org/copyleft/lgpl.html
12   * or by writing to:
13   *      Free Software Foundation, Inc.
14   *      59 Temple Place - Suite 330
15   *      Boston, MA 02111-1307, USA
16   *
17   * Copyright: 2005
18   *     The copyright to this program is held by it's authors.
19   *
20   * ID: $Id: PassageListener.java 1966 2009-10-30 01:15:14Z dmsmith $
21   */
22  package org.crosswire.jsword.passage;
23  
24  import java.util.EventListener;
25  
26  /**
27   * A PassageListener gets told when the verses in a Passage have changed (added
28   * or removed).
29   * 
30   * @see gnu.lgpl.License for license details.<br>
31   *      The copyright to this program is held by it's authors.
32   * @author Joe Walker [joe at eireneh dot com]
33   */
34  public interface PassageListener extends EventListener {
35      /**
36       * Sent after stuff has been added to the Passage, more info about what and
37       * where can be had from the Event
38       * 
39       * @param ev
40       *            a PassageEvent encapsulating the event information
41       */
42      void versesAdded(PassageEvent ev);
43  
44      /**
45       * Sent after stuff has been removed from the Passage, more info about what
46       * and where can be had from the Event
47       * 
48       * @param ev
49       *            a PassageEvent encapsulating the event information
50       */
51      void versesRemoved(PassageEvent ev);
52  
53      /**
54       * Sent after verses have been simultaneously added and removed from the
55       * Passage, more info about what and where can be had from the Event
56       * 
57       * @param ev
58       *            a PassageEvent encapsulating the event information
59       */
60      void versesChanged(PassageEvent ev);
61  }
62