/*
* Copyright (c) 2008, SQL Power Group Inc.
*
* This file is part of SQL Power Library.
*
* SQL Power Library 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 3 of the License, or
* (at your option) any later version.
*
* SQL Power Library 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
package ca.sqlpower.object.undo;
import javax.swing.event.ChangeListener;
import javax.swing.undo.CannotUndoException;
public interface NotifyingUndoManager {
/**
* Adds the given change listener, which will be notified with a ChangeEvent
* every time this undo manager's state has changed. The manager's state
* generally changes when an undoable edit is added, or an undo or redo
* operation is performed.
*/
public void addChangeListener(ChangeListener l);
/**
* Removes the given change listener, so it will no longer be notified when
* this manager's state changes.
*/
public void removeChangeListener(ChangeListener l);
// ----------- All methods below simply specify UndoManager methods -------------
public void undo() throws CannotUndoException;
public void redo() throws CannotUndoException;
public boolean canUndo();
public boolean canRedo();
public String getUndoPresentationName();
public String getRedoPresentationName();
public String getUndoOrRedoPresentationName();
}