1 /*
2 * File: IIntervalModificator.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.util.ui.timebars.mod;
21
22 import de.jaret.util.date.Interval;
23 import de.jaret.util.ui.timebars.model.TimeBarRow;
24
25 /**
26 * Extension of the interval modificator interface that includes a more specific method for getting the gridsnap for an interval.
27 * The specific grid snap will be used if returned (instead of t he unspecific snap)
28 *
29 *
30 * @author kliem
31 * @version $Id$
32 */
33 public interface IIntervalModificator extends IntervalModificator {
34 /**
35 * If this method returns a positive value this is used as the modification interval. The value is given in seconds.
36 *
37 * @param row row of the interval
38 * @param interval interval in question
39 * @return the positive grid snap or a negative value indicating no grid snap
40 */
41 double getSecondGridSnap(TimeBarRow row, Interval interval);
42
43 }