UndoableEdit.java

package org.herac.tuxguitar.gui.undo;

public interface UndoableEdit {
  public static final int REDO_ACTION = 2;
  public static final int UNDO_ACTION = 1;

  public boolean canRedo();

  public boolean canUndo();

  public void redo() throws CannotRedoException;

  public void undo() throws CannotUndoException;
}