/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000-2003 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
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* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
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* 4. The names "Apache" and "Apache Software Foundation", "Tapestry"
* must not be used to endorse or promote products derived from this
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* 5. Products derived from this software may not be called "Apache"
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* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
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*
*/
package org.apache.tapestry.contrib.table.model.common;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.apache.tapestry.contrib.table.model.CTableDataModelEvent;
import org.apache.tapestry.contrib.table.model.ITableDataModel;
import org.apache.tapestry.contrib.table.model.ITableDataModelListener;
/**
* An implementation of the listener support in the ITableDataModel interface
*
* @version $Id: AbstractTableDataModel.java,v 1.1 2003/03/05 23:03:11 hlship Exp $
* @author mindbridge
*/
public abstract class AbstractTableDataModel implements ITableDataModel
{
private List m_arrListeners;
public AbstractTableDataModel()
{
m_arrListeners = new ArrayList();
}
/**
* Method fireTableDataModelEvent.
* Fires a change event to all listeners
* @param objEvent the event to pass to the listeners
*/
protected void fireTableDataModelEvent(CTableDataModelEvent objEvent)
{
for (Iterator it = m_arrListeners.iterator(); it.hasNext();)
{
ITableDataModelListener objListener =
(ITableDataModelListener) it.next();
objListener.tableDataChanged(objEvent);
}
}
/**
* @see org.apache.tapestry.contrib.table.model.ITableDataModel#addTableDataModelListener(ITableDataModelListener)
*/
public void addTableDataModelListener(ITableDataModelListener objListener)
{
m_arrListeners.add(objListener);
}
/**
* @see org.apache.tapestry.contrib.table.model.ITableDataModel#removeTableDataModelListener(ITableDataModelListener)
*/
public void removeTableDataModelListener(ITableDataModelListener objListener)
{
m_arrListeners.remove(objListener);
}
}