/*

  * Copyright 2002 - 2007 JEuclid, http://jeuclid.sf.net

  *

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  *      http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 /* $Id: RelativeScriptlevelLayoutContext.java,v 8afef6dd0d58 2007/09/14 08:29:58 maxberger $ */

 package net.sourceforge.jeuclid.context;

 import net.sourceforge.jeuclid.LayoutContext;

 /**

  * @version $Revision: 8afef6dd0d58 $

  */

 public class RelativeScriptlevelLayoutContext implements LayoutContext {

     private final LayoutContext parentLayoutContext;

     private final int sizeOffset;

     /**

      * Default Constructor.

      * 

      * @param parent

      *            LayoutContext of parent.

      * @param offset

      *            offset to parent. In most cases this will be 1.

      * 

      */

     public RelativeScriptlevelLayoutContext(final LayoutContext parent,

             final int offset) {

         this.parentLayoutContext = parent;

         this.sizeOffset = offset;

     }

     /** {@inheritDoc} */

     public Object getParameter(final Parameter which) {

         if (Parameter.SCRIPTLEVEL.equals(which)) {

             return ((Integer) this.parentLayoutContext

                     .getParameter(Parameter.SCRIPTLEVEL))

                     + this.sizeOffset;

         }

         return this.parentLayoutContext.getParameter(which);

     }

 }