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The source code// $Id: UMLComboBoxNavigator.java,v 1.10 2004/09/14 20:12:16 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.uml.ui; import java.awt.BorderLayout; import java.awt.Dimension; import java.awt.event.ActionListener; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JComboBox; import javax.swing.JPanel; import org.argouml.application.helpers.ResourceLoaderWrapper; import org.argouml.ui.targetmanager.TargetManager; /** * This class implements a panel that adds a navigation button * to the right of the combo box * * @author Curt Arnold * @since 0.9 */ public class UMLComboBoxNavigator extends JPanel implements ActionListener { private static ImageIcon icon = ResourceLoaderWrapper.lookupIconResource( "ComboNav"); private UMLUserInterfaceContainer theContainer; private JComboBox theComboBox; private JButton theButton; /** * Constructor * @param container Container, typically a PropPanel * @param tooltip Tooltip key for button * @param box Associated combo box */ public UMLComboBoxNavigator( UMLUserInterfaceContainer container, String tooltip, JComboBox box) { super(new BorderLayout()); theButton = new JButton(icon); theContainer = container; theComboBox = box; theButton.setPreferredSize( new Dimension(icon.getIconWidth() + 6, icon.getIconHeight() + 6)); theButton.setToolTipText(container.localize(tooltip)); theButton.addActionListener(this); box.addActionListener(this); add(theComboBox, BorderLayout.CENTER); add(theButton, BorderLayout.EAST); Object item = theComboBox.getSelectedItem(); if (item instanceof UMLComboBoxEntry) { UMLComboBoxEntry entry = (UMLComboBoxEntry) item; if (!entry.isPhantom()) { Object/*MModelElement*/ target = entry.getElement(null); if (target != null) { theButton.setEnabled(true); } else theButton.setEnabled(false); } } else if (item != null) theButton.setEnabled(true); else theButton.setEnabled(false); } /** * Fired when the button is pushed. Navigates to the currently * selected item in the combo box. * * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent) */ public void actionPerformed(final java.awt.event.ActionEvent event) { // button action: if (event.getSource() == theButton) { Object item = theComboBox.getSelectedItem(); if (item instanceof UMLComboBoxEntry) { UMLComboBoxEntry entry = (UMLComboBoxEntry) item; if (!entry.isPhantom()) { Object/*MModelElement*/ target = entry.getElement(null); if (target != null) { TargetManager.getInstance().setTarget(target); } } } else if (item != null) TargetManager.getInstance().setTarget(item); } if (event.getSource() == theComboBox) { Object item = theComboBox.getSelectedItem(); if (item instanceof UMLComboBoxEntry) { UMLComboBoxEntry entry = (UMLComboBoxEntry) item; if (!entry.isPhantom()) { Object/*MModelElement*/ target = entry.getElement(null); if (target != null) { theButton.setEnabled(true); } else theButton.setEnabled(false); } } else if (item != null) theButton.setEnabled(true); else theButton.setEnabled(false); } } } |
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