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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;
    }
}