FormTable


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.components;
16  
17  import org.apache.tapestry.contrib.table.model.ITableModelSource;
18  
19  /**
20   * A modified version of the facade component in the Table family. 
21   * FormTable allows you to present a sortable and pagable table 
22   * within a form by using only this one component.
23   * 
24   *  [<a HREF="../../../../../../../ComponentReference/contrib.FormTable.html">Component Reference</a>]
25   * 
26   * @author mindbridge
27   *
28   */
29  public abstract class FormTable extends Table implements ITableModelSource
30  {
31      // parameters
32      public abstract Object   getColumns();
33  
34      /**
35       *  If the columns are defined via a String, make sure they use 
36       *  the form-specific column headers.
37       */
38      public Object   getFormColumns()
39      {
40          Object   objColumns = getColumns();
41          if (objColumns instanceof String  )
42              objColumns = "*" + objColumns;
43          return objColumns;
44      }
45  
46  }
47

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