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The source code// $Id: NotationComboBox.java,v 1.8 2004/08/08 11:46:32 mvw Exp $ // Copyright (c) 1996-2001 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.language.ui; import org.apache.log4j.Logger; import org.argouml.application.api.*; import org.argouml.application.events.*; import java.awt.*; import java.util.*; import javax.swing.*; /** * This class provides a self-updating notation combo box. * * @author Thierry Lach * @since 0.9.4 */ public class NotationComboBox extends JComboBox implements ArgoNotationEventListener { /** logger */ private static final Logger LOG = Logger.getLogger(NotationComboBox.class); private static NotationComboBox singleton = null; /** * @return the singleton */ public static NotationComboBox getInstance() { // Only instantiate when we need it. if (singleton == null) singleton = new NotationComboBox(); return singleton; } /** * The constructor. */ public NotationComboBox() { super(); setEditable(false); setMaximumRowCount(6); Dimension d = getPreferredSize(); d.width = 200; setMaximumSize(d); ArgoEventPump.addListener(ArgoEventTypes.ANY_NOTATION_EVENT, this); refresh(); } /** * @see org.argouml.application.events.ArgoNotationEventListener#notationChanged(org.argouml.application.events.ArgoNotationEvent) */ public void notationChanged(ArgoNotationEvent event) { //Notation.LOG.debug("NotationComboBox.notationChanged(" + event + ")"); //LOG.info("NotationComboBox.notationChanged(" + event + ")"); refresh(); } /** * @see org.argouml.application.events.ArgoNotationEventListener#notationAdded(org.argouml.application.events.ArgoNotationEvent) */ public void notationAdded(ArgoNotationEvent event) { //LOG.info("NotationComboBox.notationAdded(" + event + ")"); refresh(); } /** * @see org.argouml.application.events.ArgoNotationEventListener#notationRemoved(org.argouml.application.events.ArgoNotationEvent) */ public void notationRemoved(ArgoNotationEvent event) { } /** * @see org.argouml.application.events.ArgoNotationEventListener#notationProviderAdded(org.argouml.application.events.ArgoNotationEvent) */ public void notationProviderAdded(ArgoNotationEvent event) { } /** * @see org.argouml.application.events.ArgoNotationEventListener#notationProviderRemoved(org.argouml.application.events.ArgoNotationEvent) */ public void notationProviderRemoved(ArgoNotationEvent event) { } /** * Refresh the combobox contents. */ public void refresh() { if (Configuration.getBoolean(Notation.KEY_UML_NOTATION_ONLY, false)) { setVisible(false); } else { removeAllItems(); ListIterator iterator = Notation.getAvailableNotations().listIterator(); while (iterator.hasNext()) { try { NotationName nn = (NotationName) iterator.next(); addItem(nn); } catch (Exception e) { LOG.error("Unexpected exception", e); } } setVisible(true); } invalidate(); } } |
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