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1   /*
2    *  File: BreakIntervalFilter.java 
3    *  Copyright (c) 2004-2009  Peter Kliem (Peter.Kliem@jaret.de)
4    *  A commercial license is available, see http://www.jaret.de.
5    *
6    *  This program is free software; you can redistribute it and/or modify
7    *  it under the terms of the GNU General Public License as published by
8    *  the Free Software Foundation; either version 2 of the License, or
9    *  (at your option) any later version.
10   *
11   *  This program is distributed in the hope that it will be useful,
12   *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13   *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14   *  GNU General Public License for more details.
15   *
16   *  You should have received a copy of the GNU General Public License
17   *  along with this program; if not, write to the Free Software
18   *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19   */
20  package de.jaret.examples.timebars.millis.model;
21  
22  import de.jaret.util.date.Interval;
23  import de.jaret.util.misc.PropertyObservableBase;
24  import de.jaret.util.ui.timebars.TimeBarIntervalFilter;
25  import de.jaret.util.ui.timebars.model.PPSInterval;
26  import de.jaret.util.ui.timebars.model.TimeBarRow;
27  
28  /***
29   * Special interval filter removing all intervals that are completely inside a break in the timescale.
30   * 
31   * @author kliem
32   * @version $Id: BreakIntervalFilter.java 836 2009-02-14 21:24:39Z kliem $
33   */
34  public class BreakIntervalFilter extends PropertyObservableBase implements TimeBarIntervalFilter {
35      /*** the row containing the ps intervals. */
36      private TimeBarRow _ppsScaleRow;
37  
38      /***
39       * Construct the filter with a reference to the row that contains the pss intervals.
40       * 
41       * @param ppsScaleRow the time bar row containing the pps intervals
42       */
43      public BreakIntervalFilter(TimeBarRow ppsScaleRow) {
44          _ppsScaleRow = ppsScaleRow;
45      }
46  
47      /***
48       * {@inheritDoc} Intervals are in the result if they do not fall into a break.
49       */
50      public boolean isInResult(Interval interval) {
51          for (Interval i : _ppsScaleRow.getIntervals()) {
52              PPSInterval ppsInterval = (PPSInterval) i;
53              if (ppsInterval.isBreak() && ppsInterval.contains(interval)) {
54                  return false;
55              }
56          }
57          return true;
58      }
59  
60  }