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 or later
5    * as published by the Free Software Foundation. This program is distributed
6    * in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
7    * the 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   * © CrossWire Bible Society, 2005 - 2016
18   *
19   */
20  package org.crosswire.jsword.passage;
21  
22  import java.util.EventListener;
23  
24  /**
25   * A PassageListener gets told when the verses in a Passage have changed (added
26   * or removed).
27   * 
28   * @see gnu.lgpl.License The GNU Lesser General Public License for details.
29   * @author Joe Walker
30   */
31  public interface PassageListener extends EventListener {
32      /**
33       * Sent after stuff has been added to the Passage, more info about what and
34       * where can be had from the Event
35       * 
36       * @param ev
37       *            a PassageEvent encapsulating the event information
38       */
39      void versesAdded(PassageEvent ev);
40  
41      /**
42       * Sent after stuff has been removed from the Passage, more info about what
43       * and where can be had from the Event
44       * 
45       * @param ev
46       *            a PassageEvent encapsulating the event information
47       */
48      void versesRemoved(PassageEvent ev);
49  
50      /**
51       * Sent after verses have been simultaneously added and removed from the
52       * Passage, more info about what and where can be had from the Event
53       * 
54       * @param ev
55       *            a PassageEvent encapsulating the event information
56       */
57      void versesChanged(PassageEvent ev);
58  }
59