001    // Copyright 2004, 2005 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.tapestry.contrib.table.model.ognl;
016    
017    import org.apache.tapestry.contrib.table.model.simple.SimpleTableColumn;
018    import org.apache.tapestry.services.ExpressionEvaluator;
019    
020    /**
021     * @author mindbridge
022     */
023    public class ExpressionTableColumn extends SimpleTableColumn
024    {
025    
026        private static final long serialVersionUID = 1L;
027    
028        /** @since 4.0 */
029    
030        public ExpressionTableColumn(String strColumnName, String strExpression,
031                ExpressionEvaluator expressionEvaluator)
032        {
033            this(strColumnName, strExpression, false, expressionEvaluator);
034        }
035    
036        public ExpressionTableColumn(String strColumnName, String strExpression,
037                boolean bSortable, ExpressionEvaluator expressionEvaluator)
038        {
039            this(strColumnName, strColumnName, strExpression, bSortable,
040                    expressionEvaluator);
041        }
042    
043        public ExpressionTableColumn(String strColumnName, String strDisplayName,
044                String strExpression, ExpressionEvaluator expressionEvaluator)
045        {
046            this(strColumnName, strDisplayName, strExpression, false,
047                    expressionEvaluator);
048        }
049    
050        public ExpressionTableColumn(String strColumnName, String strDisplayName,
051                String strExpression, boolean bSortable,
052                ExpressionEvaluator expressionEvaluator
053    
054        )
055        {
056            super(strColumnName, strDisplayName, bSortable);
057    
058            setEvaluator(new OgnlTableColumnEvaluator(strExpression,
059                    expressionEvaluator));
060        }
061    }