/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: DomToTreeModelAdapter.java,v $
*
* $Revision: 1.2 $
*
* last change: $Author: rt $ $Date: 2005/09/09 17:43:01 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
package com.sun.star.xml.security.uno;
import org.w3c.dom.Document;
import javax.swing.event.TreeModelListener;
import javax.swing.event.TreeModelEvent;
import javax.swing.tree.TreePath;
import java.util.Enumeration;
import java.util.Vector;
/*
* This adapter converts the current Document (a DOM) into
* a JTree model.
*/
class DomToTreeModelAdapter
implements javax.swing.tree.TreeModel
{
private Document m_document;
private Vector m_listenerList = new Vector();
public DomToTreeModelAdapter(Document document)
{
m_document = document;
}
/*
* Basic TreeModel operations
*/
public Object getRoot()
{
return new AdapterNode(m_document);
}
public boolean isLeaf(Object aNode)
{
boolean rc = true;
/*
* Determines whether the icon shows up to the left.
* Return true for any node with no children.
*/
AdapterNode node = (AdapterNode) aNode;
if (node.childCount() > 0)
{
rc = false;
}
return rc;
}
public int getChildCount(Object parent)
{
AdapterNode node = (AdapterNode) parent;
return node.childCount();
}
public Object getChild(Object parent, int index)
{
AdapterNode node = (AdapterNode) parent;
return node.child(index);
}
public int getIndexOfChild(Object parent, Object child)
{
AdapterNode node = (AdapterNode) parent;
return node.index((AdapterNode) child);
}
public void valueForPathChanged(TreePath path, Object newValue)
{
/*
* Null. We won't be making changes in the GUI
* If we did, we would ensure the new value was really new,
* adjust the model, and then fire a TreeNodesChanged event.
*/
}
public void addTreeModelListener(TreeModelListener listener)
{
if ( listener != null
&& ! m_listenerList.contains( listener ) )
{
m_listenerList.addElement( listener );
}
}
public void removeTreeModelListener(TreeModelListener listener)
{
if ( listener != null )
{
m_listenerList.removeElement( listener );
}
}
public void fireTreeNodesChanged( TreeModelEvent e )
{
Enumeration listeners = m_listenerList.elements();
while ( listeners.hasMoreElements() )
{
TreeModelListener listener =
(TreeModelListener) listeners.nextElement();
listener.treeNodesChanged( e );
}
}
public void fireTreeNodesInserted( TreeModelEvent e )
{
Enumeration listeners = m_listenerList.elements();
while ( listeners.hasMoreElements() )
{
TreeModelListener listener =
(TreeModelListener) listeners.nextElement();
listener.treeNodesInserted( e );
}
}
public void fireTreeNodesRemoved( TreeModelEvent e )
{
Enumeration listeners = m_listenerList.elements();
while ( listeners.hasMoreElements() )
{
TreeModelListener listener =
(TreeModelListener) listeners.nextElement();
listener.treeNodesRemoved( e );
}
}
public void fireTreeStructureChanged( TreeModelEvent e )
{
Enumeration listeners = m_listenerList.elements();
while ( listeners.hasMoreElements() )
{
TreeModelListener listener =
(TreeModelListener) listeners.nextElement();
listener.treeStructureChanged( e );
}
}
}