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    package org.apache.tapestry.contrib.table.components.inserted;
015    
016    import org.apache.tapestry.contrib.table.model.ITableAction;
017    import org.apache.tapestry.contrib.table.model.ITableModel;
018    import org.apache.tapestry.contrib.table.model.ITableSortingState;
019    
020    
021    /**
022     * <p>A table action that configures the table sorting to use a given column</p>.
023     *
024     * @author teo
025     */
026    public class TableActionColumnSort implements ITableAction
027    {
028        private String m_strColumnName;
029        
030        public TableActionColumnSort(String name)
031        {
032            m_strColumnName = name;
033        }
034    
035        /**
036         * {@inheritDoc}
037         */
038        public void executeTableAction(ITableModel objTableModel)
039        {
040            ITableSortingState objState = objTableModel.getSortingState();
041            if (m_strColumnName.equals(objState.getSortColumn()))
042                objState.setSortColumn(m_strColumnName, !objState.getSortOrder());
043            else objState.setSortColumn(m_strColumnName, ITableSortingState.SORT_ASCENDING);
044        }
045    }