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
015package org.apache.tapestry.contrib.table.model.common;
016
017import java.util.Iterator;
018
019import org.apache.tapestry.contrib.table.model.IBasicTableModel;
020import org.apache.tapestry.contrib.table.model.ITableColumn;
021import org.apache.tapestry.contrib.table.model.ITableColumnModel;
022import org.apache.tapestry.contrib.table.model.simple.SimpleTableState;
023
024/**
025 * @author mindbridge
026 */
027public 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}