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/* ====================================================================
 * The JRefactory License, Version 1.0
 *
 * Copyright (c) 2001 JRefactory.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        JRefactory (http://www.sourceforge.org/projects/jrefactory)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "JRefactory" must not be used to endorse or promote
 *    products derived from this software without prior written
 *    permission. For written permission, please contact seguin@acm.org.
 *
 * 5. Products derived from this software may not be called "JRefactory",
 *    nor may "JRefactory" appear in their name, without prior written
 *    permission of Chris Seguin.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE CHRIS SEGUIN OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of JRefactory.  For more information on
 * JRefactory, please see
 * <http://www.sourceforge.org/projects/jrefactory>.
 */
package org.acm.seguin.ide.common;

import java.util.Vector;
import java.util.Enumeration;
import net.sourceforge.jrefactory.uml.UMLPackage;
import net.sourceforge.jrefactory.uml.loader.Reloader;
import net.sourceforge.jrefactory.uml.loader.ReloaderSingleton;

/**
 *  Object that is responsible for reloading the class diagrams
 *
 *@author     Chris Seguin
 *@created    October 18, 2001
 */
public abstract class ClassDiagramReloader implements Reloader {
    private Vector umlDiagrams;


    /**
     *  Constructor for the ClassDiagramReloader object
     */
    public ClassDiagramReloader() {
        umlDiagrams = new Vector();
        ReloaderSingleton.register(this);
    }


    /**
     *  Adds a class diagram to the loader
     *
     *@param  diagram  the class diagram
     */
    public void add(UMLPackage diagram) {
        if ((diagram != null) && !umlDiagrams.contains(diagram)) {
            umlDiagrams.add(diagram);
        }
    }


    /**
     *  Removes all class diagrams from this loader
     */
    public void clear() {
        umlDiagrams.removeAllElements();
    }


    /**
     *  Reload the summary information and update the diagrams
     */
    public abstract void reload();


    /**
     *  Reload the diagrams
     */
    protected void reloadDiagrams() {
       System.out.println("ClassDiagramReloader.reloadDiagrams()");
       System.out.flush();
        Enumeration enumx = umlDiagrams.elements();
        (new RefreshDiagramThread(enumx)).start();
    }


    /**
     *  Removes a specific class diagram from the registry
     *
     *@param  diagram  the class diagram
     */
    public void remove(UMLPackage diagram) {
        if (diagram != null) {
            umlDiagrams.remove(diagram);
        }
    }
}
//  EOF
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