1 /*
2 * Copyright 2002 - 2007 JEuclid, http://jeuclid.sf.net
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 /* $Id: RelativeScriptlevelLayoutContext.java,v 8afef6dd0d58 2007/09/14 08:29:58 maxberger $ */
18
19 package net.sourceforge.jeuclid.context;
20
21 import net.sourceforge.jeuclid.LayoutContext;
22
23 /**
24 * @version $Revision: 8afef6dd0d58 $
25 */
26 public class RelativeScriptlevelLayoutContext implements LayoutContext {
27
28 private final LayoutContext parentLayoutContext;
29
30 private final int sizeOffset;
31
32 /**
33 * Default Constructor.
34 *
35 * @param parent
36 * LayoutContext of parent.
37 * @param offset
38 * offset to parent. In most cases this will be 1.
39 *
40 */
41 public RelativeScriptlevelLayoutContext(final LayoutContext parent,
42 final int offset) {
43 this.parentLayoutContext = parent;
44 this.sizeOffset = offset;
45 }
46
47 /** {@inheritDoc} */
48 public Object getParameter(final Parameter which) {
49 if (Parameter.SCRIPTLEVEL.equals(which)) {
50 return ((Integer) this.parentLayoutContext
51 .getParameter(Parameter.SCRIPTLEVEL))
52 + this.sizeOffset;
53 }
54 return this.parentLayoutContext.getParameter(which);
55 }
56 }