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XmlTreeModel |
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/* ** Luxor - XML User Interface Language (XUL) Toolkit ** Copyright (c) 2001, 2002 by Gerald Bauer ** ** This program is free software. ** ** You may redistribute it and/or modify it under the terms of the GNU ** General Public License as published by the Free Software Foundation. ** Version 2 of the license should be included with this distribution in ** the file LICENSE, as well as License.html. If the license is not ** included with this distribution, you may find a copy at the FSF web ** site at 'www.gnu.org' or 'www.fsf.org', or you may write to the ** Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139 USA. ** ** THIS SOFTWARE IS PROVIDED AS-IS WITHOUT WARRANTY OF ANY KIND, ** NOT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY. THE AUTHOR ** OF THIS SOFTWARE, ASSUMES _NO_ RESPONSIBILITY FOR ANY ** CONSEQUENCE RESULTING FROM THE USE, MODIFICATION, OR ** REDISTRIBUTION OF THIS SOFTWARE. ** */ package luxor.swing.tree; import java.util.*; import javax.swing.*; import javax.swing.event.*; import javax.swing.tree.*; import org.jdom.*; import luxor.status.*; public class XmlTreeModel implements TreeModel { static Logger T = Logger.getLogger( XmlTreeModel.class ); EventListenerList _listener = new EventListenerList(); private Element _root; public XmlTreeModel( Document doc ) { _root = doc.getRootElement(); } public Object getChild( Object parent, int index ) { Element el = ( Element ) parent; List children = el.getChildren(); return children.get( index ); } public int getChildCount( Object parent ) { Element el = ( Element ) parent; List children = el.getChildren(); return children.size(); } public int getIndexOfChild( Object parent, Object child ) { Element el = ( Element ) parent; List children = el.getChildren(); return children.indexOf( child ); } public Object getRoot() { return _root; } public boolean isLeaf( Object parent ) { Element el = ( Element ) parent; List children = el.getChildren(); return children.size() == 0; } public void addTreeModelListener( TreeModelListener l ) { _listener.add( TreeModelListener.class, l ); } public void removeTreeModelListener( TreeModelListener l ) { _listener.remove( TreeModelListener.class, l ); } public void valueForPathChanged( TreePath path, Object newValue ) { // only needed if you edit/change tree nodes in Jtree itself which we don't do/support } }
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XmlTreeModel |
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