package com.vci.client.framework.rightConfig.functiontree;

import javax.swing.JTree;
import javax.swing.event.TreeModelEvent;
import javax.swing.event.TreeModelListener;
import javax.swing.tree.DefaultTreeCellRenderer;
import javax.swing.tree.TreeModel;
import javax.swing.tree.TreePath;

/**
 * <p>Title: </p>
 * <p>Description: use this class to wrap the JTree, user just set tow parameters 
 * to create a new tree. The parameters are TreeModel and DefaultTreeCellRenderer.</p>
 * <p>Copyright: Copyright (c) 2009</p>
 * <p>Company: VCI</p>
 * @author eddie
 * @time 2009-4-8
 * @version 1.0
 */
public class CommonTree extends JTree{

	/** 
	 * 
	 */
	private static final long serialVersionUID = -7587926620173480552L;

	public CommonTree(TreeModel treeModel, DefaultTreeCellRenderer treeCellRenderer) {
		super(treeModel);
		this.putClientProperty("JTree.lineStyle", "Angled");
        this.setCellRenderer(treeCellRenderer);
        this.setEditable(false);
        
        treeModel.addTreeModelListener(new TreeModelListener() {
            public void treeNodesInserted(TreeModelEvent e) {
                try {
                  scrollPathToVisible(new TreePath(e.getPath()));
                } catch (Exception ae) {
                    ae.printStackTrace();
                }
            }

            public void treeNodesRemoved(TreeModelEvent e) {
                try {
                   scrollPathToVisible(new TreePath(e.getPath()));
                } catch (Exception ae) {
                    ae.printStackTrace();
                }
            }

            public void treeNodesChanged(TreeModelEvent e) {
                try {
                   scrollPathToVisible(new TreePath(e.getPath()));
                } catch (Exception ae) {
                    ae.printStackTrace();
                }
            }

            public void treeStructureChanged(TreeModelEvent e) {
                try {
                   scrollPathToVisible(new TreePath(e.getPath()));
                } catch (Exception ae) {
                    ae.printStackTrace();
                }
            }
        });
	}
}