001    /*
002     * Copyright 2005 Stephen McConnell
003     *
004     * Licensed  under the  Apache License,  Version 2.0  (the "License");
005     * you may not use  this file  except in  compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     *   http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed  under the  License is distributed on an "AS IS" BASIS,
012     * WITHOUT  WARRANTIES OR CONDITIONS  OF ANY KIND, either  express  or
013     * implied.
014     *
015     * See the License for the specific language governing permissions and
016     * limitations under the License.
017     */
018    
019    package net.dpml.transit.model;
020    
021    import java.util.EventListener;
022    import java.rmi.Remote;
023    import java.rmi.RemoteException;
024    
025    /**
026     * A LayoutListener is implementated by objects whishing to monitor
027     * layout model changes.
028     *
029     * @author <a href="http://www.dpml.net">Digital Product Meta Library</a>
030     * @version 1.1.0
031     */
032    public interface LayoutListener extends EventListener, Remote
033    {
034       /**
035        * Notify a listener of the change to the title of 
036        * a layout model.
037        *
038        * @param event the layout model event
039        * @exception RemoteException if a remote exception occurs
040        */
041        void titleChanged( LayoutEvent event ) throws RemoteException;
042    }