/*
 This file belongs to the Servoy development and deployment environment, Copyright (C) 1997-2010 Servoy BV

 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU Affero General Public License as published by the Free
 Software Foundation; either version 3 of the License, or (at your option) any
 later version.

 This program is distributed in the hope that it will be useful, but WITHOUT
 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.

 You should have received a copy of the GNU Affero General Public License along
 with this program; if not, see http://www.gnu.org/licenses or write to the Free
 Software Foundation,Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
*/
package com.servoy.j2db.util;



/** 
 * In a chain of data manipulators some behaviour is common. TableMap
 * provides most of this behavour and can be subclassed by filters
 * that only need to override a handful of specific methods. TableMap 
 * implements TableModel by routing all requests to its model, and
 * TableModelListener by routing all events to its listeners. Inserting 
 * a TableMap which has not been subclassed into a chain of table filters 
 * should have no effect.
 *
 */

import javax.swing.event.TableModelEvent;
import javax.swing.event.TableModelListener;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.TableModel;

public class TableMap extends AbstractTableModel implements TableModelListener
{
    protected TableModel model; 

    public TableModel  getModel() {
        return model;
    }

    public void  setModel(TableModel model) {
        this.model = model; 
        model.addTableModelListener(this); 
    }

    // By default, Implement TableModel by forwarding all messages 
    // to the model. 

    public Object getValueAt(int aRow, int aColumn) {
        return model.getValueAt(aRow, aColumn); 
    }
	
    public void setValueAt(Object aValue, int aRow, int aColumn) {
        model.setValueAt(aValue, aRow, aColumn); 
    }

    public int getRowCount() {
        return (model == null) ? 0 : model.getRowCount(); 
    }

    public int getColumnCount() {
        return (model == null) ? 0 : model.getColumnCount(); 
    }
	
    public String getColumnName(int aColumn) {
        return model.getColumnName(aColumn); 
    }

    public Class getColumnClass(int aColumn) {
        return model.getColumnClass(aColumn); 
    }
	
    public boolean isCellEditable(int row, int column) { 
         return model.isCellEditable(row, column); 
    }
//
// Implementation of the TableModelListener interface, 
//

    // By default forward all events to all the listeners. 
    public void tableChanged(TableModelEvent e) {
        fireTableChanged(e);
    }
}