1 /*
2 * Copyright (c) 2003-2008 by Cosylab d. d.
3 *
4 * This file is part of CosyBeans-Common.
5 *
6 * CosyBeans-Common 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 3 of the License, or
9 * (at your option) any later version.
10 *
11 * CosyBeans-Common 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 CosyBeans-Common. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20 package com.cosylab.gui.components.range2;
21
22 /**
23 * Ensures that value will never be outside the bounds. Bounds will never be
24 * adjusted, only the value will be trimmed to minimum and maximum. If values
25 * are changed, value will be adjusted accordingly.
26 *
27 * @author <a href="mailto:ales.pucelj@cosylab.com">Ales Pucelj</a>
28 * @version $id$
29 */
30 public final class TrimValuePolicy extends RangedValuePolicy
31 {
32
33 /**
34 * Trims value to bounds.
35 */
36 public static RangedValue trim(RangedValue params)
37 {
38 double value = params.getValue();
39 value = Math.max(value, params.getMinimum());
40 value = Math.min(value, params.getMaximum());
41 return new RangedValue(params.getMinimum(), params.getMaximum(), value);
42 }
43
44 /**
45 * Trims value to bounds.
46 *
47 * @see com.cosylab.gui.components.range.RangedValuePolicy#validate(RangedValueHolder)
48 */
49 public RangedValue validate(RangedValue params)
50 {
51 params = trim(params);
52 return validatePeerPolicy(params);
53 }
54 }
55
56 /* __oOo__ */