AOO410/main/xmlsecurity/tools/uno/XMLTreeCellRanderer.java

/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/



package com.sun.star.xml.security.uno;

import javax.swing.tree.DefaultTreeCellRenderer;
import org.w3c.dom.Node;
import javax.swing.ImageIcon;
import java.awt.Component;
import javax.swing.JTree;

/*
 * a TreeCellRender which can show a graph on the current 
 * tree node.
 */
class XMLTreeCellRanderer extends DefaultTreeCellRenderer 
{
	/*
	 * the icon for the current Node
	 */
	private ImageIcon m_currentIcon;
	
	/*
	 * the current Node
	 */
	private Node m_currentNode;
	
	XMLTreeCellRanderer(Node currentNode)
	{
		m_currentNode = currentNode;
		m_currentIcon = new ImageIcon("current.gif");
	}
	
	public Component getTreeCellRendererComponent(
	                JTree tree,
	                Object value,
	                boolean sel,
	                boolean expanded,
	                boolean leaf,
	                int row,
	                boolean hasFocus) 
	{
		super.getTreeCellRendererComponent(
		                tree, value, sel,
		                expanded, leaf, row,
		                hasFocus);
		                
		if (((AdapterNode)value).getNode() == m_currentNode) 
		{
		    setIcon(m_currentIcon);
		    setToolTipText("This is the current element.");
		}
		else
		{
		    setToolTipText(null); /* no tool tip */
		} 
		
		return this;
	}
}