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The source code// $Id: ExplorerNSUMLEventAdaptor.java,v 1.6 2004/08/08 12:43:09 mvw Exp $ // Copyright (c) 1996-2004 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.model.uml; import ru.novosoft.uml.MElementEvent; import ru.novosoft.uml.MElementListener; import java.beans.PropertyChangeEvent; import java.beans.PropertyChangeSupport; import org.argouml.model.ModelFacade; /** * Event adaptor for the explorer to decouple the explorer from the nsuml model. * * @author alexb */ public class ExplorerNSUMLEventAdaptor extends PropertyChangeSupport implements MElementListener { private static ExplorerNSUMLEventAdaptor instance; /** * @return the ExplorerNSUMLEventAdaptor */ public static ExplorerNSUMLEventAdaptor getInstance() { if (instance == null) { instance = new ExplorerNSUMLEventAdaptor(); } return instance; } /** Creates a new instance of ExplorerUMLEventAdaptor */ private ExplorerNSUMLEventAdaptor() { // PropertyChangeSupport needs a source object super(UmlModelEventPump.getPump()); } /** * fires a umlModelStructureChanged event. * * If a element changes, this will be catched by this method and reflected * in the tree. * @see ru.novosoft.uml.MElementListener#listRoleItemSet( * ru.novosoft.uml.MElementEvent) */ public void listRoleItemSet(MElementEvent e) { if (e.getAddedValue() != null || e.getRemovedValue() != null || (e.getNewValue() != null && !e.getNewValue().equals(e.getOldValue()))) { firePropertyChanged("umlModelStructureChanged", e.getSource()); } } /** * Fires a modelElementChanged event. * * If a element changes, this will be catched by this method and reflected * in the tree. * @see ru.novosoft.uml.MElementListener#propertySet( * ru.novosoft.uml.MElementEvent) */ public void propertySet(MElementEvent e) { if (e.getAddedValue() != null || e.getRemovedValue() != null || (e.getNewValue() != null && !e.getNewValue().equals(e.getOldValue()))) { firePropertyChanged("modelElementChanged", e.getSource()); } } /** * fires a modelElementAdded event. * * If a element changes, this will be catched by this method and reflected * in the tree. * @see * ru.novosoft.uml.MElementListener#recovered(ru.novosoft.uml.MElementEvent) */ public void recovered(MElementEvent e) { if (e.getAddedValue() != null || e.getRemovedValue() != null || (e.getNewValue() != null && !e.getNewValue().equals(e.getOldValue()))) { firePropertyChanged("modelElementAdded", e.getSource()); } } /** * Not used. * * If a element changes, this will be catched by this method and reflected * in the tree. * @see ru.novosoft.uml.MElementListener#removed( * ru.novosoft.uml.MElementEvent) */ public void removed(MElementEvent e) { if (e.getAddedValue() != null || e.getRemovedValue() != null || (e.getNewValue() != null && !e.getNewValue().equals(e.getOldValue()))) { //firePropertyChanged("modelElementRemoved", e.getRemovedValue()); ; } } /** * fires a modelElementAdded event. * * If a element changes, this will be catched by this method and reflected * in the tree. * @see * ru.novosoft.uml.MElementListener#roleAdded(ru.novosoft.uml.MElementEvent) */ public void roleAdded(MElementEvent e) { if (e.getAddedValue() != null || e.getRemovedValue() != null || (e.getNewValue() != null && !e.getNewValue().equals(e.getOldValue()))) { firePropertyChanged("modelElementAdded", e.getSource()); } } /** * fires a modelElementRemoved event. removed value translates to * the new value. * * If a element changes, this will be catched by this method and reflected * in the tree. * * TODO: Checking if an extendedElement is being removed from a stereotype * is somewhat bogus since that would break an Explorer view where * extended elements are children of stereotypes. Fortunately there is * none such currently. * * @see ru.novosoft.uml.MElementListener#roleRemoved( * ru.novosoft.uml.MElementEvent) */ public void roleRemoved(MElementEvent e) { if (ModelFacade.isAStereotype(e.getSource()) && "extendedElement".equals(e.getName())) { return; } if (e.getAddedValue() != null || e.getRemovedValue() != null || (e.getNewValue() != null && !e.getNewValue().equals(e.getOldValue()))) { firePropertyChanged("modelElementRemoved", e.getRemovedValue()); } } // ------- property change events ---------- /** * source of the model element changed translates to the new value. */ private void firePropertyChanged(String propertyName, Object source) { PropertyChangeEvent pce = new PropertyChangeEvent( this, propertyName, null, source); this.firePropertyChange(pce); } } |
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