package com.xh.java4.TestJtree;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;

import javax.swing.*;
import javax.swing.event.TreeSelectionEvent;
import javax.swing.event.TreeSelectionListener;
import javax.swing.tree.*;

import com.xh.java.Utils.StringUtils;

public class JtreeFrame extends JFrame{
    public TreeDBConnect DbConnect = new TreeDBConnect();
    TreeMode modeData;
    private JPanel mainPanel = new JPanel();
    private JPanel contextPanel = new JPanel();
    private JLabel signCotext = new JLabel("ContextPanel");
    private DefaultMutableTreeNode rootNode;
    private DefaultTreeModel areaMode;
    private JTree areaTree;
    private JScrollPane treeScrollpane;
    private JSplitPane treeAndContext;

    public JtreeFrame(){
        mainPanel.setLayout(new BorderLayout());
        init();
        this.setContentPane(mainPanel);
        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        this.setBounds(100,100, 600, 400);
        this.setVisible(true);
    }
    
    public void  init(){
        modeData = new TreeMode(null,DbConnect.queryEntity("select * from areatreedata"));
        rootNode = new DefaultMutableTreeNode("湖南省");
        DefaultMutableTreeNode changshaNode = new DefaultMutableTreeNode("长沙地区");
        rootNode.add(changshaNode);
        DefaultMutableTreeNode liuyangNode = new DefaultMutableTreeNode("浏阳市");
        changshaNode.add(liuyangNode);
        areaMode = new DefaultTreeModel(rootNode);
        areaTree = new JTree(modeData);
//        contextPanel.add(signCotext,BorderLayout.CENTER);
        areaTree.getSelectionModel().addTreeSelectionListener(new TreeSelectionListener(){
            @Override
            public void valueChanged(TreeSelectionEvent e) {
                // TODO Auto-generated method stub
                TreePath selectPath = e.getPath();
                TreeNodeBean selectBean = (TreeNodeBean)selectPath.getLastPathComponent();
                String action  = selectBean.getActionUrl();
                if(StringUtils.hasText(action)){
                    Class clzz = null;
                    Component comp = null;
                    try {
                        clzz = Class.forName(action);
                        comp = (Component)clzz.newInstance();
                        contextPanel.removeAll();
                        contextPanel.add(comp,BorderLayout.CENTER);
                        contextPanel.revalidate();
                    } catch (Exception e1) {
                        // TODO Auto-generated catch block
                        e1.printStackTrace();
                    }
                    
                }else{
                    signCotext.setText("NodeID:"+selectBean.getNodeID()+"\t"
                                +"ParentID:"+selectBean.getParentID()+"\t"
                                +"Label:"+selectBean.getLabel()+"\t");
                    contextPanel.removeAll();
                    contextPanel.add(signCotext,BorderLayout.CENTER);
                    contextPanel.revalidate();
                }
            }
        });
        treeScrollpane = new JScrollPane(areaTree,JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
//        treeScrollpane.setSize(100, 300);
        treeAndContext = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT,true,treeScrollpane,contextPanel);
        mainPanel.add(treeAndContext,BorderLayout.CENTER);
//        mainPanel.add(treeScrollpane,BorderLayout.WEST);
    }
    
    public void operator(){
        
    }
    
    public static void main(String[] args){
        new JtreeFrame();
    }
}