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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;
	}
}

