jtreetest.java

CMM编译器词法分析及语法分析代码

package try_sw;

import java.io.*;
import java.util.*;
import   java.awt.Dimension;
import  java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import  javax.swing.JFrame;
import  javax.swing.JPanel;
import  javax.swing.JScrollPane;
import  javax.swing.JTree;
import  javax.swing.BoxLayout;
import  javax.swing.tree.TreePath;
import  javax.swing.tree.DefaultMutableTreeNode;
import  javax.swing.tree.DefaultTreeModel;

public class JTreetest {

	/**
	 * @param args
	 */
	
	private static JButton 
	 b= new JButton("analyse"),
	 c= new JButton("Clear");
	
	static  DefaultMutableTreeNode add(DefaultMutableTreeNode treen1,DefaultMutableTreeNode treen2){
		
		treen1.add(treen2);
		return treen1;
		
	}
	
	@SuppressWarnings("deprecation")
	public static void main(String[] args) throws IOException {
		// TODO Auto-generated method stub
 
		System.out.println("enter the second root");
		BufferedReader rd = new BufferedReader(new InputStreamReader(System.in));
		String root = rd.readLine();
		DefaultMutableTreeNode rt = new DefaultMutableTreeNode(root,true);
		
		
		System.out.println("enter another second root");
		String root1 = rd.readLine();
		DefaultMutableTreeNode rt1 = new DefaultMutableTreeNode(root1,true);
		
		
		
		System.out.println("now enter the children");
		while(true){
			String str="";
			
			str=rd.readLine();
			
			if(str.equals(""))break;
			
			DefaultMutableTreeNode ch = new DefaultMutableTreeNode(str,true);
			rt.add(ch);
			
		}
		
		
		System.out.println("now enter the second's children");
		while(true){
			String str1="";
			
			str1=rd.readLine();
			
			if(str1.equals(""))break;
			
			DefaultMutableTreeNode ch = new DefaultMutableTreeNode(str1,true);
			rt1.add(ch);
			
		}
		
		
		
		
		System.out.println("now enter the true root");
		String st=rd.readLine();
		DefaultMutableTreeNode dst = new DefaultMutableTreeNode(st,true);
		dst.add(rt);
		dst.add(rt1);
		
		
		DefaultMutableTreeNode dt4 = new DefaultMutableTreeNode("a",true);
		
		String[] arr = {"b","c","d"};

		DefaultMutableTreeNode dt5 = new DefaultMutableTreeNode("nn",true);

		
		for(String ar:arr){
			
			dt5 = new DefaultMutableTreeNode(ar,true);
			
			
			
			dt4.add(dt5);
		}

		
		
		final JTree jt = new JTree(dst);
		final JTree jt1 = new JTree((DefaultMutableTreeNode)dt5.getRoot());
		b.addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent e){
				JPanel panel1  =   new  JPanel();
				  panel1.setLayout ( new  BoxLayout (panel1, BoxLayout.X_AXIS));
				  panel1.setPreferredSize ( new  Dimension ( 400 ,  400 ));
				  panel1.add ( new  JScrollPane (jt1));
				  
				  
				  
				  JFrame frame  =   new  JFrame ( " JTreetest " );
				  frame.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);
				  frame.setContentPane (panel1);
				  frame.pack();
				  frame.show();
				  
			}
		});
		
		  JPanel panel  =   new  JPanel();
		  panel.setLayout ( new  BoxLayout (panel, BoxLayout.X_AXIS));
		  panel.setPreferredSize ( new  Dimension ( 400 ,  400 ));
		  panel.add ( new  JScrollPane (jt));
		  panel.add(b);
		  panel.add(c);
		  
		  
		  JFrame frame  =   new  JFrame ( " JTreetest " );
		  frame.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);
		  frame.setContentPane (panel);
		  frame.pack();
		  frame.show();
		  
		
	}

}