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