/* Copyright (C) 2008 Christian Schneider
*
* This file is part of Nomad.
*
* Nomad is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Nomad 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Nomad; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package net.sf.nmedit.jpatch.history;
import javax.swing.undo.CompoundEdit;
import javax.swing.undo.UndoableEditSupport;
public class PUndoableEditSupport extends UndoableEditSupport {
public synchronized void beginUpdate(String name)
{
if (updateLevel == 0) {
compoundEdit = createNamedCompoundEdit(name);
}
updateLevel++;
}
/**
* Called only from <code>beginUpdate(String)</code>.
* Exposed here for subclasses' use.
*/
protected CompoundEdit createNamedCompoundEdit(String name)
{
return new NamedCompoundEdit(name);
}
}