/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */
package org.apache.cocoon.portal.layout.impl;

import org.apache.cocoon.portal.layout.AbstractLayout;
import org.apache.cocoon.portal.layout.Layout;

/**
 * A link layout references another layout to be used instead. The reference
 * can be changed using events.
 *
 * @author <a href="mailto:cziegeler@s-und-n.de">Carsten Ziegeler</a>
 * @author <a href="mailto:volker.schmitt@basf-it-services.com">Volker Schmitt</a>
 * @author <a href="mailto:juergen.seitz@basf-it-services.com">Jürgen Seitz</a>
 * 
 * @version CVS $Id$
 */
public class LinkLayout extends AbstractLayout implements Layout {

    protected String linkedLayoutKey;
    protected String linkedLayoutId;

    public void setLayoutId(String layoutId) {
        this.linkedLayoutId = layoutId;
    }

    public String getLayoutId() {
        return this.linkedLayoutId;
    }

    public String getLayoutKey() {
        return linkedLayoutKey;
    }

    public void setLayoutKey(String key) {
        linkedLayoutKey = key;
    }

    /* (non-Javadoc)
     * @see java.lang.Object#clone()
     */
    protected Object clone() throws CloneNotSupportedException {
        LinkLayout clone = (LinkLayout)super.clone();
        
        clone.linkedLayoutId = this.linkedLayoutId;
        clone.linkedLayoutKey = this.linkedLayoutKey;
        
        return clone;
    }
    
}