/*!
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* 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 Lesser General Public License for more details.
*
* Copyright (c) 2002-2013 Pentaho Corporation.. All rights reserved.
*/
package org.pentaho.reporting.designer.core.status;
import javax.swing.ListModel;
import javax.swing.event.EventListenerList;
import javax.swing.event.ListDataEvent;
import javax.swing.event.ListDataListener;
import org.pentaho.reporting.designer.core.util.exceptions.UncaughtExceptionsModel;
/**
* Todo: Document Me
*
* @author Thomas Morgner
*/
public class ExceptionsListModel implements ListModel
{
private EventListenerList listenerList;
private Throwable[] throwables;
public ExceptionsListModel()
{
this.listenerList = new EventListenerList();
this.throwables = UncaughtExceptionsModel.getInstance().getThrowables();
}
/**
* Returns the length of the list.
*
* @return the length of the list
*/
public int getSize()
{
return throwables.length;
}
/**
* Returns the value at the specified index.
*
* @param index the requested index
* @return the value at <code>index</code>
*/
public Object getElementAt(final int index)
{
return throwables[index];
}
/**
* Adds a listener to the list that's notified each time a change to the data model occurs.
*
* @param l the <code>ListDataListener</code> to be added
*/
public void addListDataListener(final ListDataListener l)
{
listenerList.add(ListDataListener.class, l);
}
/**
* Removes a listener from the list that's notified each time a change to the data model occurs.
*
* @param l the <code>ListDataListener</code> to be removed
*/
public void removeListDataListener(final ListDataListener l)
{
listenerList.remove(ListDataListener.class, l);
}
protected void fireListUpdate()
{
final ListDataListener[] listDataListeners = listenerList.getListeners(ListDataListener.class);
final ListDataEvent event = new ListDataEvent(this, ListDataEvent.CONTENTS_CHANGED, -1, -1);
for (int i = 0; i < listDataListeners.length; i++)
{
final ListDataListener listener = listDataListeners[i];
listener.contentsChanged(event);
}
}
public void refresh()
{
this.throwables = UncaughtExceptionsModel.getInstance().getThrowables();
fireListUpdate();
}
}