001// Copyright 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/*
016 * Created on Jun 4, 2005
017 */
018package org.apache.tapestry.contrib.table.components;
019
020import org.apache.tapestry.contrib.table.model.IAdvancedTableColumn;
021import org.apache.tapestry.contrib.table.model.IAdvancedTableColumnSource;
022import org.apache.tapestry.contrib.table.model.ognl.ExpressionTableColumn;
023import org.apache.tapestry.services.ExpressionEvaluator;
024
025public class DefaultTableColumnSource implements IAdvancedTableColumnSource
026{
027    /** @since 4.0 */
028    private ExpressionEvaluator _expressionEvaluator;
029
030    /** @since 4.0 */
031    public void setExpressionEvaluator(ExpressionEvaluator expressionEvaluator)
032    {
033        _expressionEvaluator = expressionEvaluator;
034    }
035        
036        public IAdvancedTableColumn generateTableColumn(String strName, String strDisplayName, 
037                        boolean bSortable, String strExpression) {
038                return new ExpressionTableColumn(strName, strDisplayName, strExpression, bSortable, _expressionEvaluator);
039        }
040}