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            private static final long serialVersionUID = 1L;
026            
027        /** @since 4.0 */
028    
029        public ExpressionTableColumn(String strColumnName, String strExpression,
030                ExpressionEvaluator expressionEvaluator)
031        {
032            this(strColumnName, strExpression, false, expressionEvaluator);
033        }
034    
035        public ExpressionTableColumn(String strColumnName, String strExpression, boolean bSortable,
036                ExpressionEvaluator expressionEvaluator)
037        {
038            this(strColumnName, strColumnName, strExpression, bSortable, expressionEvaluator);
039        }
040    
041        public ExpressionTableColumn(String strColumnName, String strDisplayName, String strExpression,
042                ExpressionEvaluator expressionEvaluator)
043        {
044            this(strColumnName, strDisplayName, strExpression, false, expressionEvaluator);
045        }
046    
047        public ExpressionTableColumn(String strColumnName, String strDisplayName, String strExpression,
048                boolean bSortable, ExpressionEvaluator expressionEvaluator
049    
050        )
051        {
052            super(strColumnName, strDisplayName, bSortable);
053    
054            setEvaluator(new OgnlTableColumnEvaluator(strExpression, expressionEvaluator));
055        }
056    }