filesdisplay.java

词库检索系统

package com.incesoft.keywordcategory;

import java.awt.*;
import java.awt.event.*;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.util.*;

import javax.swing.*;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.TreeModel;
import javax.swing.tree.TreePath;

public class FilesDisplay extends JFrame{

	/**
	 * @param args
	 */
	
    JTree filetree;
    JScrollPane jdirp;
    JScrollPane rightpane;
    JTextPane jshowp;
    JSplitPane jsplitp;
    JSplitPane leftsplit;
    JSplitPane rightsplit;
    JTextField searchwordtext;
    JButton searchbutton;
    JPanel leftpane;
    JPanel searchpane;
    HashMap<String,ArrayList<String>> fileContentHashMap;
    JPanel p;
    JTable resulttable;
    public void init(){  
    	setTitle("词库检索");
    	File file = new File("dic");
    	fileContentHashMap=new HashMap<String,ArrayList<String>>(); 
    	DefaultMutableTreeNode root=new DefaultMutableTreeNode(file.getName());	
    	DisplayFiles(file,root);
		filetree=new JTree(root);		
		filetree.addMouseListener(new MouseAdapter()
		{
			public void mouseClicked( MouseEvent me)
			{
				doMouseClicked(me);
			}
		});
		searchwordtext=new JTextField("",10);
		searchbutton=new JButton("搜索");
		searchwordtext.addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent ee) {
				// TODO Auto-generated method stub			
				searchbutton.doClick();
			}
		});		
		searchbutton.addActionListener(new ActionListener(){
			public void actionPerformed(ActionEvent e) {
				ArrayList<String> arrList=fileContentHashMap.get(searchwordtext.getText());
				if(arrList!=null){
					String[] columnNames={"文件名","文件路径"};
					final Object[][] data=new Object[arrList.size()][];
					for(int i=0;i<arrList.size();i++){					
					data[i]=new Object[2];					
					String s=arrList.get(i);					
					data[i][0]=s.substring(s.lastIndexOf('\\')+1);
					data[i][1]=s;
					}
					resulttable=new JTable(data,columnNames); 	
					resulttable.setEnabled(false);	
					resulttable.setSize(resulttable.getPreferredSize());
					p=new JPanel(new GridLayout(0,1));		
					rightsplit=new JSplitPane(JSplitPane.VERTICAL_SPLIT,resulttable,p);
					rightpane.getViewport().add(rightsplit);
					resulttable.addMouseListener(new MouseListener(){
						public void mouseClicked(MouseEvent e) {
							int clickedrow=resulttable.rowAtPoint(new Point(e.getX(),e.getY()));
				    		try {
								BufferedReader bufreader=new BufferedReader(new FileReader((String)data[clickedrow][1]));
							   String context="";
							   String s=bufreader.readLine();
								while(s!=null) 
									{
									context+=s+"\n";
									s=bufreader.readLine();
									}
								p.add(jshowp);								
								jshowp.setText(context);
				    		} catch (Exception ee) {
								ee.printStackTrace();
							}
						}
						public void mouseEntered(MouseEvent e) {}
						public void mouseExited(MouseEvent e) {}
						public void mousePressed(MouseEvent e) {}
						public void mouseReleased(MouseEvent e) {}						
					});				
				}
				else {
					rightpane.getViewport().add(jshowp);
					jshowp.setText("Not find the word");
				}				
			}
		});
		searchpane=new JPanel();
		searchpane.add(searchwordtext,BorderLayout.CENTER);
		searchpane.add(searchbutton,BorderLayout.WEST);
		jdirp=new JScrollPane(filetree,ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED,ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
		leftpane=new JPanel();
		leftpane.add(jdirp,BorderLayout.CENTER);
		leftpane.add(searchpane,BorderLayout.SOUTH);
		leftsplit=new JSplitPane(JSplitPane.VERTICAL_SPLIT,jdirp,searchpane);
		jshowp=new JTextPane();
    	jshowp.setEditable(false);
    	rightpane=new JScrollPane();    	
		jsplitp=new JSplitPane(JSplitPane.HORIZONTAL_SPLIT,leftsplit,rightpane);
		jsplitp.setOneTouchExpandable(true);
		add(jsplitp);
    	setSize(400,500 );
    	Dimension screen=Toolkit.getDefaultToolkit().getScreenSize();
    	this.setLocation((screen.width-getSize().width)/2, (screen.height-getSize().height)/2);
    	setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    	this.setVisible(true);  	
    }
    public void DisplayFiles(File file,DefaultMutableTreeNode root) {
		File[] files;	
		if(file.isDirectory()){
			files=file.listFiles();					
			for(int i=0;i<files.length;i++){					
				DefaultMutableTreeNode ChildNode=new DefaultMutableTreeNode(files[i].getName());
				root.add(ChildNode);
				DisplayFiles(files[i],ChildNode);
				}
		}
		else {
			String filepath=file.getPath();
			try {
				BufferedReader bufreader=new BufferedReader(new FileReader(filepath));
    			String s=bufreader.readLine();
				while(s!=null) 
					{
					if(fileContentHashMap.containsKey(s)){
						fileContentHashMap.get(s).add(filepath);
					}
					else{
						ArrayList<String> arrList = new ArrayList<String>();
						arrList.add(filepath);
						fileContentHashMap.put(s,arrList);
					}
					s=bufreader.readLine();
					}
			} catch (Exception e) {				
			e.printStackTrace();
			}
		}
	}
    void doMouseClicked(MouseEvent me){//双击树中的一个文件后打开此文件
    	TreePath tp=filetree.getPathForLocation(me.getX(), me.getY());
    	if(tp!=null){
    	Object[] pathobjects=tp.getPath();
    	int len=pathobjects.length,i;
    	String path="";
    	for(i=0;i<len-1;i++)
    		path+=pathobjects[i].toString()+"/";
    	path+=pathobjects[i].toString();
    	File clickfile=new File(path);
    	if(clickfile.isFile()){
    		try {
				BufferedReader bufreader=new BufferedReader(new FileReader(clickfile));
			   String context="";
			   String s=bufreader.readLine();
				while(s!=null) 
					{
					context+=s+"\n";
					s=bufreader.readLine();
					}
				rightpane.getViewport().add(jshowp);				
				jshowp.setText(context);
    		} catch (Exception e) {
				e.printStackTrace();
			}
    	}    	
    	}
    }
	public static void main(String[] args) {
		// TODO Auto-generated method stub
        new FilesDisplay().init();
	}

}