ExpressionTableColumn


1   // Copyright 2004, 2005 The Apache Software Foundation
2   //
3   // Licensed under the Apache License, Version 2.0 (the "License");
4   // you may not use this file except in compliance with the License.
5   // You may obtain a copy of the License at
6   //
7   //     http://www.apache.org/licenses/LICENSE-2.0
8   //
9   // Unless required by applicable law or agreed to in writing, software
10  // distributed under the License is distributed on an "AS IS" BASIS,
11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  // See the License for the specific language governing permissions and
13  // limitations under the License.
14  
15  package org.apache.tapestry.contrib.table.model.ognl;
16  
17  import org.apache.tapestry.contrib.table.model.simple.SimpleTableColumn;
18  import org.apache.tapestry.services.ExpressionEvaluator;
19  
20  /**
21   * @author mindbridge
22   */
23  public class ExpressionTableColumn extends SimpleTableColumn
24  {
25      private static final long serialVersionUID = 1L;
26      
27      /** @since 4.0 */
28  
29      public ExpressionTableColumn(String   strColumnName, String   strExpression,
30              ExpressionEvaluator expressionEvaluator)
31      {
32          this(strColumnName, strExpression, false, expressionEvaluator);
33      }
34  
35      public ExpressionTableColumn(String   strColumnName, String   strExpression, boolean bSortable,
36              ExpressionEvaluator expressionEvaluator)
37      {
38          this(strColumnName, strColumnName, strExpression, bSortable, expressionEvaluator);
39      }
40  
41      public ExpressionTableColumn(String   strColumnName, String   strDisplayName, String   strExpression,
42              ExpressionEvaluator expressionEvaluator)
43      {
44          this(strColumnName, strDisplayName, strExpression, false, expressionEvaluator);
45      }
46  
47      public ExpressionTableColumn(String   strColumnName, String   strDisplayName, String   strExpression,
48              boolean bSortable, ExpressionEvaluator expressionEvaluator
49  
50      )
51      {
52          super(strColumnName, strDisplayName, bSortable);
53  
54          setEvaluator(new OgnlTableColumnEvaluator(strExpression, expressionEvaluator));
55      }
56  }
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