001    /**
002     * planningtool - A Planning Tool with Critiquing Support.
003     * 
004     * Copyright (C) 2006 olale
005    
006     * This program is free software; you can redistribute it and/or
007     * modify it under the terms of the GNU General Public License
008     * as published by the Free Software Foundation; either version 2
009     * of the License, or (at your option) any later version.
010    
011     * This program is distributed in the hope that it will be useful,
012     * but WITHOUT ANY WARRANTY; without even the implied warranty of
013     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
014     * GNU General Public License for more details.
015    
016     * You should have received a copy of the GNU General Public License
017     * along with this program; if not, write to the Free Software
018     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
019    
020     * Contact information: 
021     * E-mail: olale@ida.liu.se
022     *         olale@lysator.liu.se
023     */
024    package se.liu.ida.critiquer.gui;
025    
026    import javax.swing.JPanel;
027    import javax.swing.JScrollPane;
028    import javax.swing.JTree;
029    import javax.swing.event.TreeSelectionListener;
030    
031    import se.liu.ida.critiquer.mics.ReferenceHolder;
032    import se.liu.ida.critiquer.resources.Agent;
033    import se.liu.ida.critiquer.resources.OrganizationModel;
034    
035    public class OrganizationTreePanel extends JPanel {
036    
037            /**
038             * 
039             */
040            private static final long serialVersionUID = 1L;
041            private OrganizationModel       treeModel;
042            private transient JTree tree;
043            private transient JScrollPane   scrollPane;
044    
045            public OrganizationTreePanel() {
046                    treeModel = ReferenceHolder.organizationModel;
047                    initComponent();
048                    
049            }
050    
051            private void initComponent() {
052                    tree = new JTree(treeModel);
053                    scrollPane = new JScrollPane(tree);
054                    add(scrollPane);
055            }
056    
057            /* (non-Javadoc)
058             * @see se.liu.ida.critiquer.gui.OrganizationTreeModel#getRoot()
059             */
060            public Agent getRoot() {
061                    return (Agent)treeModel.getRoot();
062            }
063    
064            /* (non-Javadoc)
065             * @see javax.swing.JTree#addTreeSelectionListener(javax.swing.event.TreeSelectionListener)
066             */
067            public void addTreeSelectionListener(TreeSelectionListener tsl) {
068                    tree.addTreeSelectionListener(tsl);
069            }
070    
071            public Agent getSelectedAgent() {
072                    if (tree.getSelectionPath()!=null) {
073                            return (Agent)tree.getSelectionPath().getLastPathComponent();
074                    } else {
075                            return null;
076                    }
077            }
078    
079            /**
080             * @return Returns the tree.
081             */
082            public JTree getTree() {
083                    if (tree==null) {
084                            initComponent();
085                    }
086                    return tree;
087            }
088            
089    }