FrameTreeDemo1

package filechooser;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Enumeration;

import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTree;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeCellRenderer;
import javax.swing.tree.DefaultTreeModel;
import javax.swing.tree.TreeNode;
import javax.swing.tree.TreePath;

public class FrameTreeDemo extends JPanel
{
    private static final long serialVersionUID = 1L;
    
    DefaultMutableTreeNode root, child, chosen;
    
    JTree tree;
    
    DefaultTreeModel model;
    
    DefaultTreeCellRenderer treeRenderer = new DefaultTreeCellRenderer();
    
    ImageIcon image1 = new ImageIcon(getClass().getResource("/image/6.gif"));
    
    ImageIcon image2 = new ImageIcon(getClass().getResource("/image/4.gif"));
    
    ImageIcon image3 = new ImageIcon(getClass().getResource("/image/5.gif"));
    
    String[][] data = { {"天峰", "山峰", "小凤", "疯疯"}, {"爱好", "劳动", "钱财", "老婆"}, {"职位", "平民", "地主", "官僚"},
        {"工资", "20", "2000", "200000"}, {"职位 ", "地下", "高明", "无所不在"}, {"民用", "名义", "明信 ", "无聊"}};
    
    static int i = 0;
    
    public FrameTreeDemo()
    {
        root = new DefaultMutableTreeNode("root");
        tree = new JTree(root);
        treeRenderer.setClosedIcon(image1);
        treeRenderer.setOpenIcon(image2);
        treeRenderer.setLeafIcon(image3);
        treeRenderer.setBorder(null);
        treeRenderer.setToolTipText(" ");
        treeRenderer.setVerifyInputWhenFocusTarget(false);
        treeRenderer.setDisplayedMnemonic('3');
        treeRenderer.setLabelFor(tree);
        treeRenderer.setBackgroundSelectionColor(Color.green);
        treeRenderer.setTextNonSelectionColor(Color.darkGray);
        treeRenderer.setTextSelectionColor(Color.red);
        tree.setCellRenderer(treeRenderer);
        setLayout(new BorderLayout());
        add(new JScrollPane(tree));
        model = (DefaultTreeModel)tree.getModel();
        JButton test = new JButton("在当前节点下添加子节点 ");
        
        JPanel p = new JPanel();
        p.add(test);
        add(p, BorderLayout.SOUTH);
        test.addActionListener(new ActionListener()
        {
            
            @Override
            public void actionPerformed(ActionEvent e)
            {
                if (i < data.length)
                {
                    child = new AddNode(data[i++]).node();
                    chosen = (DefaultMutableTreeNode)tree.getLastSelectedPathComponent();
                    if (chosen == null)
                    {
                        chosen = root;
                    }
                    model.insertNodeInto(child, chosen, 0);
                    // 把child添加到chosen;
                }
            }
        });
        expandAll(tree, true);
    }
    
    public void expandAll(JTree tree, boolean expand)
    {
        TreeNode root = (TreeNode)tree.getModel().getRoot();
        expandAll(tree, new TreePath(root), expand);
    }