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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.awt.Component; import java.io.*; import java.util.*; import javax.swing.*; import javax.swing.tree.*; import org.jdom.*; import org.jdom.input.*; import luxor.core.*; import luxor.core.widget.*; import luxor.spi.*; import luxor.status.*; import luxor.swing.*; import luxor.*; public class TreePeer extends AbstractComponent { static Logger T = Logger.getLogger( TreePeer.class ); private JScrollPane _comp; private JTree _tree; public TreePeer( TreeDef def ) { super( def ); TreeModel model = null; // fix: add InputStream/DataSource getDataSource() to XulNode // don't replicate the same code all over the place String datasource = def.getAttribute( Xul.Attribute.DATASOURCE ); if( datasource == null ) { Xul.error( "datasource attribute required for tree" ); } else { InputStream inStream = XulManager.getXulManager().getResourceAsStream( datasource ); if( inStream == null ) { Xul.error( "tree datasource '" + datasource + "' not found" ); } else { try { SAXBuilder builder = new SAXBuilder(); Document doc = builder.build( inStream ); model = new XmlTreeModel( doc ); } catch( JDOMException jex ) { Xul.error( "failed to parse xml document '" + datasource + "': " + jex.toString() ); } } } _tree = new JTree( ( TreeModel ) model ); _tree.setCellRenderer( new XmlTreeNodeRenderer() ); _tree.setEditable( false ); _tree.putClientProperty( "JTree.lineStyle", "Angled" ); _tree.setRootVisible( true ); _tree.setShowsRootHandles( true ); _comp = new JScrollPane( _tree ); } public JComponent getJComponent() { return _comp; } public void resolveReferences( NComponentResolver resolver ) { } public boolean useMinHeight() { return false; } public boolean useMinWidth() { return false; } }
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