001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.wicket.extensions.markup.html.repeater.data.table;
018
019import org.apache.wicket.Component;
020import org.apache.wicket.model.Model;
021
022/**
023 * A column that does not have a header
024 * 
025 * @author Igor Vaynberg
026 * @param <T>
027 * @param <S>
028 *            the type of the sort property
029 */
030public abstract class HeaderlessColumn<T, S> extends AbstractColumn<T, S>
031{
032        private static final long serialVersionUID = 1L;
033
034        /**
035         * Construct.
036         */
037        public HeaderlessColumn()
038        {
039                super(new Model<>("&nbsp;"));
040        }
041
042        @Override
043        public Component getHeader(final String componentId)
044        {
045                Component header = super.getHeader(componentId);
046                return header.setEscapeModelStrings(false);
047        }
048}