// BEGIN LICENSE BLOCK
// Version: CMPL 1.1
//
// The contents of this file are subject to the Cisco-style Mozilla Public
// License Version 1.1 (the "License"); you may not use this file except
// in compliance with the License.  You may obtain a copy of the License
// at www.eclipse-clp.org/license.
// 
// Software distributed under the License is distributed on an "AS IS"
// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See
// the License for the specific language governing rights and limitations
// under the License. 
// 
// The Original Code is  The ECLiPSe Constraint Logic Programming System. 
// The Initial Developer of the Original Code is  Cisco Systems, Inc. 
// Portions created by the Initial Developer are
// Copyright (C) 2006 Cisco Systems, Inc.  All Rights Reserved.
// 
// Contributor(s): 
// 
// END LICENSE BLOCK

package com.parctechnologies.eclipse.visualisation;
/**
 * Provides a concrete base class for command issued on Viewer's.
 *
 * Typically resize and zoom actions
 *
 */
public abstract class RecordableCommand implements Command {
    public void record() {
	ScenarioManager.getInstance().processCommand(this);
    }

    /**
     * Overrides the issue() method to provide automatic recording of commands
     */
    public void issue() {
	record();
	postRecordIssue();
    }

    public abstract void postRecordIssue() ;


    /**
     * By default commands do not dominate each other
     */
    public boolean dominates(Command command) {
	return false;
    }

}
