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.common;
016    
017    import org.apache.tapestry.contrib.table.model.IBasicTableModel;
018    import org.apache.tapestry.contrib.table.model.ITableColumn;
019    import org.apache.tapestry.contrib.table.model.ITableColumnModel;
020    import org.apache.tapestry.contrib.table.model.simple.SimpleTableState;
021    
022    import java.util.Iterator;
023    
024    /**
025     * @author mindbridge
026     */
027    public class BasicTableModelWrap extends AbstractTableModel
028    {
029    
030        private static final long serialVersionUID = 1L;
031    
032        private IBasicTableModel m_objBasicTableModel;
033        private ITableColumnModel m_objTableColumnModel;
034    
035        public BasicTableModelWrap(IBasicTableModel objBasicTableModel,
036                ITableColumnModel objColumnModel)
037        {
038            this(objBasicTableModel, objColumnModel, new SimpleTableState());
039        }
040    
041        public BasicTableModelWrap(IBasicTableModel objBasicTableModel,
042                ITableColumnModel objColumnModel, SimpleTableState objState)
043        {
044            super(objState);
045            m_objBasicTableModel = objBasicTableModel;
046            m_objTableColumnModel = objColumnModel;
047        }
048    
049        /**
050         * @see org.apache.tapestry.contrib.table.model.ITableModel#getColumnModel()
051         */
052        public ITableColumnModel getColumnModel()
053        {
054            return m_objTableColumnModel;
055        }
056    
057        /**
058         * @see org.apache.tapestry.contrib.table.model.common.AbstractTableModel#getRowCount()
059         */
060        public int getRowCount()
061        {
062            return m_objBasicTableModel.getRowCount();
063        }
064    
065        /**
066         * @see org.apache.tapestry.contrib.table.model.ITableModel#getCurrentPageRows()
067         */
068        public Iterator getCurrentPageRows()
069        {
070            int nPageSize = getPagingState().getPageSize();
071            if (nPageSize <= 0) nPageSize = getRowCount();
072    
073            int nCurrentPage = getPagingState().getCurrentPage();
074            int nFrom = nCurrentPage * nPageSize;
075    
076            String strSortColumn = getSortingState().getSortColumn();
077            ITableColumn objSortColumn = getColumnModel().getColumn(strSortColumn);
078            boolean bSortOrder = getSortingState().getSortOrder();
079    
080            return m_objBasicTableModel.getCurrentPageRows(nFrom, nPageSize,
081                    objSortColumn, bSortOrder);
082        }
083    
084    }