ActionSetLinkAssociation.java example

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// $Id: ActionSetLinkAssociation.java 15575 2008-08-16 11:57:01Z penyaskito $
// 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
// SUCH DAMAGE. THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE
// PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF
// CALIFORNIA HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT,
// UPDATES, ENHANCEMENTS, OR MODIFICATIONS.

package org.argouml.core.propertypanels.ui;

import java.awt.event.ActionEvent;

import javax.swing.Action;

import org.argouml.i18n.Translator;
import org.argouml.model.Model;
import org.argouml.uml.ui.UMLComboBox2;
import org.tigris.gef.undo.UndoableAction;

/**
 *
 * @author Michiel
 */
class ActionSetLinkAssociation extends UndoableAction {

    /**
     * Constructor for ActionSetModelElementNamespace.
     */
    public ActionSetLinkAssociation() {
        super(Translator.localize("Set"), null);
                // Set the tooltip string:
        putValue(Action.SHORT_DESCRIPTION, Translator.localize("Set"));
    }

    /*
     * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
     */
    @Override
    public void actionPerformed(ActionEvent e) {
        super.actionPerformed(e);
        Object source = e.getSource();
        Object oldAssoc = null;
        Object newAssoc = null;
        Object link = null;
        if (source instanceof UMLComboBox2) {
            UMLComboBox2 box = (UMLComboBox2) source;
            Object o = box.getTarget();
            if (Model.getFacade().isALink(o)) {
                link = o;
                oldAssoc = Model.getFacade().getAssociation(o);
            }
            Object n = box.getSelectedItem();
            if (Model.getFacade().isAAssociation(n)) {
                newAssoc = n;
            }
        }
        if (newAssoc != oldAssoc && link != null && newAssoc != null) {
            Model.getCoreHelper().setAssociation(link, newAssoc);
        }
    }

    /**
     * The UID.
     */
    private static final long serialVersionUID = 6168167355078835252L;
}