/* $Id: PropPanelFactoryManager.java 17881 2010-01-12 21:09:28Z linus $
 *****************************************************************************
 * Copyright (c) 2009 Contributors - see below
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    bobtarling
 *****************************************************************************
 *
 * Some portions of this file was previously release using the BSD License:
 */

// Copyright (c) 2008 The Regents of the University of California. All
// Rights Reserved. Permission to use, copy, modify, and distribute this
// software and its documentation without fee, and without a written
// agreement is hereby granted, provided that the above copyright notice
// and this paragraph appear in all copies. This software program and
// documentation are copyrighted by The Regents of the University of
// California. The software program and documentation are supplied "AS
// IS", without any accompanying services from The Regents. The Regents
// does not warrant that the operation of the program will be
// uninterrupted or error-free. The end-user understands that the program
// was developed for research purposes and is advised not to rely
// exclusively on the program for any reason. IN NO EVENT SHALL THE
// UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,
// SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS,
// ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
// THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
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package org.argouml.uml.ui;

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

/**
 * Manager of factories registered in ArgoUML. <p>
 * 
 * You can add and remove a PropPanelFactory instance 
 * to this central registry. The registered factories 
 * are then used when a new PropPanel has to be build.
 *
 * @author Michiel
 */
public class PropPanelFactoryManager {
    private static List<PropPanelFactory> ppfactories = 
        new ArrayList<PropPanelFactory>();
    
    /**
     * @param factory add the given factory
     */
    public static void addPropPanelFactory(PropPanelFactory factory) {
        ppfactories.add(0, factory);
    }
    
    /**
     * For modules, it would be usefule to be able to remove their factories.<p>
     * 
     * TODO: The effect of this method is not yet tested!
     * 
     * @param factory the factory to remove
     */
    public static void removePropPanelFactory(PropPanelFactory factory) {
        ppfactories.remove(factory);
    }
    
    /**
     * This method is not public since it is meant to be used 
     * exclusively by TabProps.
     */
    static Collection<PropPanelFactory> getFactories() {
        return ppfactories;
    }
}