/* ====================================================================
* 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
* notice, this list of conditions and the following disclaimer in
* 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.
*
* 4. The names "Apache" and "Apache Software Foundation", "Tapestry"
* must not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* or "Tapestry", nor may "Apache" or "Tapestry" appear in their
* name, without prior written permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE TAPESTRY CONTRIBUTOR COMMUNITY
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.tapestry.contrib.table.model.simple;
import java.io.Serializable;
import java.util.Arrays;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import org.apache.tapestry.contrib.table.model.CTableDataModelEvent;
import org.apache.tapestry.contrib.table.model.common.AbstractTableDataModel;
import org.apache.tapestry.contrib.table.model.common.ArrayIterator;
/**
* A minimal list implementation of the
* {@link org.apache.tapestry.contrib.table.model.ITableDataModel} interface
*
* @version $Id: SimpleListTableDataModel.java,v 1.1 2003/03/05 23:03:04 hlship Exp $
* @author mindbridge
*/
public class SimpleListTableDataModel extends AbstractTableDataModel implements Serializable
{
private List m_arrRows;
public SimpleListTableDataModel(Object[] arrRows)
{
this(Arrays.asList(arrRows));
}
public SimpleListTableDataModel(List arrRows)
{
m_arrRows = arrRows;
}
/**
* @see org.apache.tapestry.contrib.table.model.ITableDataModel#getRowCount()
*/
public int getRowCount()
{
return m_arrRows.size();
}
/**
* Returns the row element at the given position
* @param nRow the index of the element to return
*/
public Object getRow(int nRow)
{
if (nRow < 0 || nRow >= m_arrRows.size())
{
// error message
return null;
}
return m_arrRows.get(nRow);
}
/**
* Returns an Iterator with the elements from the given range
* @param nFrom the start of the range (inclusive)
* @param nTo the stop of the range (exclusive)
*/
public Iterator getRows(int nFrom, int nTo)
{
return new ArrayIterator(m_arrRows.toArray(), nFrom, nTo);
}
/**
* @see org.apache.tapestry.contrib.table.model.ITableDataModel#getRows()
*/
public Iterator getRows()
{
return m_arrRows.iterator();
}
/**
* Method addRow.
* Adds a row object to the model at its end
* @param objRow the row object to add
*/
public void addRow(Object objRow)
{
m_arrRows.add(objRow);
CTableDataModelEvent objEvent = new CTableDataModelEvent();
fireTableDataModelEvent(objEvent);
}
public void addRows(Collection arrRows)
{
m_arrRows.addAll(arrRows);
CTableDataModelEvent objEvent = new CTableDataModelEvent();
fireTableDataModelEvent(objEvent);
}
/**
* Method removeRow.
* Removes a row object from the model
* @param objRow the row object to remove
*/
public void removeRow(Object objRow)
{
m_arrRows.remove(objRow);
CTableDataModelEvent objEvent = new CTableDataModelEvent();
fireTableDataModelEvent(objEvent);
}
public void removeRows(Collection arrRows)
{
m_arrRows.removeAll(arrRows);
CTableDataModelEvent objEvent = new CTableDataModelEvent();
fireTableDataModelEvent(objEvent);
}
}